Weiter gearbeitet

blight-assets/src/main/resources/MatDefs/FlowingWater.j3md

@@ -0,0 +1,22 @@
+MaterialDef Flowing Water {
+    MaterialParameters {
+        Texture2D NormalMap
+        Texture2D FoamMap
+        Color     Tint
+        Float     UVScale     : 6.0
+        Float     Time        : 0.0
+        Float     FlowSpeed   : 1.0
+        Float     FoamAmount  : 0.0
+    }
+    Technique {
+        VertexShader   GLSL150: Shaders/FlowingWater.vert
+        FragmentShader GLSL150: Shaders/FlowingWater.frag
+        WorldParameters {
+            WorldViewProjectionMatrix
+        }
+        Defines {
+            HAS_NORMALMAP : NormalMap
+            HAS_FOAMMAP   : FoamMap
+        }
+    }
+}

blight-assets/src/main/resources/Shaders/FlowingWater.frag

@@ -0,0 +1,62 @@
+#ifdef HAS_NORMALMAP
+uniform sampler2D m_NormalMap;
+#endif
+#ifdef HAS_FOAMMAP
+uniform sampler2D m_FoamMap;
+#endif
+
+uniform vec4  m_Tint;
+uniform float m_FoamAmount;
+
+in vec2 vUV;
+in vec2 vTex1;
+in vec2 vTex2;
+
+out vec4 outFragColor;
+
+void main() {
+    // ── Randabstand: 0 = Mitte, 1 = Rand ─────────────────────────────────────
+    float edgeDist = abs(vUV.x * 2.0 - 1.0);
+
+    // ── Tiefengradient ────────────────────────────────────────────────────────
+    // Ränder heller/transparenter (flaches Ufer), Mitte dunkler (tief)
+    vec3  baseColor = m_Tint.rgb * (1.0 - edgeDist * 0.45);
+    float baseAlpha = m_Tint.a * smoothstep(0.0, 0.18, 1.0 - edgeDist);
+
+    // ── Dual-Layer Normal-Map: Specular + Wellenhelligkeit ────────────────────
+    float specular = 0.0;
+    float ripple   = 0.0;
+#ifdef HAS_NORMALMAP
+    vec3 n1 = texture(m_NormalMap, vTex1).rgb * 2.0 - 1.0;
+    vec3 n2 = texture(m_NormalMap, vTex2).rgb * 2.0 - 1.0;
+    vec3 n  = normalize(n1 + n2);
+
+    // Feste Sonnenrichtung – gut für Bachlauf-Optik
+    vec3 sunDir = normalize(vec3(0.5, 1.0, 0.3));
+    specular = pow(max(0.0, dot(n, sunDir)), 22.0);
+    // Wellenhelligkeit variiert den Basiston leicht
+    ripple = dot(n, vec3(0.0, 1.0, 0.0)) * 0.10;
+#endif
+
+    // ── Schaum ────────────────────────────────────────────────────────────────
+    // Uferschaum wird stärker je näher am Rand; Wasserfälle extra
+    float foamEdge = smoothstep(0.55, 1.0, edgeDist);
+    float foamMask = clamp(foamEdge + m_FoamAmount * 0.75, 0.0, 1.0);
+
+#ifdef HAS_FOAMMAP
+    float foamSample = texture(m_FoamMap, vTex1 * 0.4).r;
+    foamMask *= foamSample;
+#else
+    // Prozeduraler Fallback wenn keine Schaumtextur geladen
+    float procFoam = (sin(vTex1.x * 6.283) * 0.5 + 0.5)
+                   * (sin(vTex1.y * 3.141) * 0.5 + 0.5);
+    foamMask *= procFoam;
+#endif
+
+    // ── Zusammenführen ────────────────────────────────────────────────────────
+    vec3  waterColor = baseColor + ripple + vec3(0.35, 0.45, 0.55) * specular;
+    vec3  finalColor = mix(waterColor, vec3(1.0), foamMask);
+    float finalAlpha = max(baseAlpha, foamMask * 0.9);
+
+    outFragColor = vec4(clamp(finalColor, 0.0, 1.0), finalAlpha);
+}

blight-assets/src/main/resources/Shaders/FlowingWater.vert

@@ -0,0 +1,21 @@
+uniform mat4  g_WorldViewProjectionMatrix;
+uniform float m_Time;
+uniform float m_UVScale;
+uniform float m_FlowSpeed;
+
+in vec3 inPosition;
+in vec2 inTexCoord;
+
+out vec2 vUV;    // raw [0..1] UV für Tiefe / Rand-Logik
+out vec2 vTex1;  // scrollende Normal-Map-UV (flussabwärts)
+out vec2 vTex2;  // scrollende Normal-Map-UV (diagonal, gegenläufig)
+
+void main() {
+    vUV  = inTexCoord;
+    float t = m_Time * m_FlowSpeed;
+    vTex1 = vec2(inTexCoord.x * m_UVScale,
+                 inTexCoord.y * m_UVScale - t);
+    vTex2 = vec2(inTexCoord.x * m_UVScale * 0.7 - t * 0.25,
+                 inTexCoord.y * m_UVScale * 0.7 + t * 0.55);
+    gl_Position = g_WorldViewProjectionMatrix * vec4(inPosition, 1.0);
+}

blight-assets/src/main/resources/animations/sets/human.animset.json

@@ -0,0 +1,21 @@
+{
+  "clips": [
+    "idle",
+    "idle_jump",
+    "running",
+    "running_jump",
+    "sprint",
+    "stand_up",
+    "tpose",
+    "walking"
+  ],
+  "actionMap": {
+    "DEFAULT": "tpose",
+    "IDLE": "idle",
+    "WALK": "walking",
+    "RUN": "running",
+    "SPRINT": "sprint",
+    "JUMP": "idle_jump",
+    "RUNNING_JUMP": "running_jump"
+  }
+}

blight-assets/src/main/resources/animations/sets/mainchar.animset.json

@@ -0,0 +1,21 @@
+{
+  "clips": [
+    "idle",
+    "idle_jump",
+    "running",
+    "running_jump",
+    "sprint",
+    "stand_up",
+    "tpose",
+    "walking"
+  ],
+  "actionMap": {
+    "DEFAULT": "tpose",
+    "IDLE": "idle",
+    "JUMP": "idle_jump",
+    "WALK": "walking",
+    "RUN": "running",
+    "SPRINT": "sprint",
+    "RUNNING_JUMP": "running_jump"
+  }
+}

blight-assets/src/main/resources/character/hero.character

@@ -0,0 +1,19 @@
+{
+  "chapter": 0,
+  "level": 0,
+  "xp": 0,
+  "currentHp": 0,
+  "maxHp": 0,
+  "currentStamina": 0,
+  "maxStamina": 0,
+  "currentMana": 0,
+  "myMana": 0,
+  "listeners": [],
+  "characterId": "hero",
+  "name": {
+    "id": "hero.name"
+  },
+  "modelPath": "Models/Chars/mainchar.j3o",
+  "animSetPath": "human",
+  "type": "MAIN_CHARACTER"
+}

blight-assets/src/main/resources/character/silas.character

@@ -0,0 +1,10 @@
+{
+  "trader": false,
+  "characterId": "silas",
+  "name": {
+    "id": "silas.name"
+  },
+  "modelPath": "Models/Chars/silas.j3o",
+  "animSetPath": "human",
+  "type": "NPC"
+}

blight-common/src/main/java/de/blight/common/GrassTuft.java

@@ -0,0 +1,4 @@
+package de.blight.common;
+
+/** Einzeln platzierter Gras-Büschel. Y-Position wird zur Renderzeit aus dem Terrain berechnet. */
+public record GrassTuft(float x, float z, float height, int slot) {}

blight-common/src/main/java/de/blight/common/GrassTuftIO.java

@@ -0,0 +1,86 @@
+package de.blight.common;
+
+import java.io.*;
+import java.nio.file.*;
+import java.util.*;
+import java.util.zip.*;
+
+/**
+ * Liest und schreibt individuell platzierte Gras-Büschel als komprimierte Binärdatei
+ * ({@code blight_grass.blg}) neben der Kartendatei.
+ *
+ * Format v1:
+ *   int  MAGIC     0x47525A53 ("GRZS")
+ *   int  VERSION   1
+ *   int  slotCount (8)
+ *   8×   UTF       Texturpfad pro Slot (Slot 0 = Standardtextur)
+ *   int  tuftCount
+ *   N×   float x, float z, float height, byte slot
+ */
+public final class GrassTuftIO {
+
+    private static final int MAGIC      = 0x47525A53;
+    private static final int VERSION    = 1;
+    private static final int SLOT_COUNT = 8;
+
+    private GrassTuftIO() {}
+
+    public static Path getPath() {
+        return MapIO.getMapPath().resolveSibling("blight_grass.blg");
+    }
+
+    public record GrassData(String[] slotPaths, List<GrassTuft> tufts) {}
+
+    public static void save(GrassData data) throws IOException {
+        Path p = getPath();
+        Files.createDirectories(p.getParent());
+        try (DataOutputStream out = new DataOutputStream(
+                new BufferedOutputStream(new GZIPOutputStream(Files.newOutputStream(p))))) {
+            out.writeInt(MAGIC);
+            out.writeInt(VERSION);
+            String[] paths = data.slotPaths() != null ? data.slotPaths() : new String[0];
+            out.writeInt(SLOT_COUNT);
+            for (int i = 0; i < SLOT_COUNT; i++) {
+                String s = (i < paths.length && paths[i] != null) ? paths[i] : "";
+                out.writeUTF(s);
+            }
+            List<GrassTuft> tufts = data.tufts() != null ? data.tufts() : List.of();
+            out.writeInt(tufts.size());
+            for (GrassTuft t : tufts) {
+                out.writeFloat(t.x());
+                out.writeFloat(t.z());
+                out.writeFloat(t.height());
+                out.writeByte(t.slot());
+            }
+        }
+    }
+
+    public static GrassData load() throws IOException {
+        Path p = getPath();
+        if (!Files.exists(p)) return null;
+        try (DataInputStream in = new DataInputStream(
+                new BufferedInputStream(new GZIPInputStream(Files.newInputStream(p))))) {
+            int magic   = in.readInt();
+            int version = in.readInt();
+            if (magic != MAGIC)    throw new IOException("Ungültige Grasdatei (Magic)");
+            if (version > VERSION) throw new IOException("Unbekannte Gras-Version: " + version);
+            int slotCount = in.readInt();
+            String[] paths = new String[SLOT_COUNT];
+            Arrays.fill(paths, "");
+            for (int i = 0; i < slotCount; i++) {
+                String s = in.readUTF();
+                if (i < SLOT_COUNT) paths[i] = s;
+            }
+            int tuftCount = in.readInt();
+            List<GrassTuft> tufts = new ArrayList<>(tuftCount);
+            for (int i = 0; i < tuftCount; i++) {
+                float x    = in.readFloat();
+                float z    = in.readFloat();
+                float h    = in.readFloat();
+                int   slot = in.readUnsignedByte();
+                tufts.add(new GrassTuft(x, z, h, slot));
+            }
+            return new GrassData(paths, tufts);
+        }
+    }
+}

blight-common/src/main/java/de/blight/common/MapData.java

@@ -70,6 +70,25 @@ public final class MapData {
     /** Gras-Dichte [SPLAT_SIZE²], Bytes 0–255 (0=kein Gras, 255=max Dichte). */
     public final byte[] grassDensity;
 
+    /**
+     * Gras-Höhe pro Pixel [SPLAT_SIZE²].
+     * 0   = nicht gesetzt → grassDefaultHeight verwenden.
+     * 1–255 = 0.1 m bis 10.0 m (linear: h = 0.1 + (b-1) * 9.9/254).
+     */
+    public final byte[] grassHeightMap;
+
+    /** Relativer Asset-Pfad der Gras-Textur (z. B. "Textures/grass.png"), "" = Standardfarbe. */
+    public String grassTexturePath   = "";
+
+    /** Standard-Blatt-Höhe für den Gras-Renderer (entspricht dem Grashöhe-Slider). */
+    public float  grassDefaultHeight = 1.5f;
+
+    /** Per-Pixel Textur-Slot-Index [SPLAT_SIZE²]. 0=grassTexturePath, 1–N=grassTextureSlots[slot-1]. */
+    public final byte[] grassTextureMap;
+
+    /** Texturpfade für Gras-Slots 1..N. Leerstring = nicht belegt. */
+    public String[] grassTextureSlots = new String[0];
+
     /** Loch-Maske der oberen Schicht [UPPER_CELLS²], != 0 = Loch (Zelle ausgeblendet). */
     public final byte[] upperHole;
 
@@ -91,7 +110,9 @@ public final class MapData {
         upperSplatG   = new byte [SPLAT_SIZE    * SPLAT_SIZE];
         upperSplatB   = new byte [SPLAT_SIZE    * SPLAT_SIZE];
         upperSplatA   = new byte [SPLAT_SIZE    * SPLAT_SIZE];
-        grassDensity  = new byte [SPLAT_SIZE    * SPLAT_SIZE];
-        upperHole     = new byte [UPPER_CELLS   * UPPER_CELLS];
+        grassDensity    = new byte [SPLAT_SIZE    * SPLAT_SIZE];
+        grassHeightMap  = new byte [SPLAT_SIZE    * SPLAT_SIZE];
+        grassTextureMap = new byte [SPLAT_SIZE    * SPLAT_SIZE];
+        upperHole       = new byte [UPPER_CELLS   * UPPER_CELLS];
     }
 }

blight-common/src/main/java/de/blight/common/MapIO.java

@@ -19,6 +19,9 @@ import java.util.zip.*;
  *   4 – wie 3 + Spawnpunkt (2× float)
  *   5 – wie 4 + Splatmap-Alpha + Texturpfade + Gebirge-Splatmap (RGBA + Pfade)
  *   6 – wie 5 ohne upperHole; upperTop/Bottom behalten (zukünftige Höhlen-Architektur)
+ *   7 – wie 6 + Gras-Texturpfad (UTF-String) + Gras-Standardhöhe (float)
+ *   8 – wie 7 + Gras-Höhen-Map (SPLAT_SIZE² Bytes, 0=ungesetzt 1-255=0.1-10m)
+ *   9 – wie 8 + Gras-Textur-Map (SPLAT_SIZE² Bytes) + Slots (N×UTF)
  */
 public final class MapIO {
 
@@ -50,7 +53,7 @@ public final class MapIO {
     }
 
     private static final int MAGIC   = 0x424C4947; // "BLIG"
-    private static final int VERSION = 6;
+    private static final int VERSION = 9;
 
     private MapIO() {}
 
@@ -104,6 +107,19 @@ public final class MapIO {
             out.write(data.upperSplatB);
             out.write(data.upperSplatA);
             writeStrings(out, data.upperTextures);
+            // v7: gras-textur + standardhöhe
+            out.writeUTF(data.grassTexturePath != null ? data.grassTexturePath : "");
+            out.writeFloat(data.grassDefaultHeight);
+            // v8: gras-höhen-map
+            out.write(data.grassHeightMap);
+            // v9: gras-textur-slots + gras-textur-map
+            String[] slots = data.grassTextureSlots != null ? data.grassTextureSlots : new String[0];
+            // trim trailing empty entries
+            int slotEnd = slots.length;
+            while (slotEnd > 0 && (slots[slotEnd-1] == null || slots[slotEnd-1].isEmpty())) slotEnd--;
+            out.writeInt(slotEnd);
+            for (int i = 0; i < slotEnd; i++) out.writeUTF(slots[i] != null ? slots[i] : "");
+            out.write(data.grassTextureMap);
         }
     }
 
@@ -150,6 +166,19 @@ public final class MapIO {
                 // Ältere Maps: upperSplatR auf 255 initialisieren (Tex1 immer sichtbar)
                 java.util.Arrays.fill(data.upperSplatR, (byte) 255);
             }
+            if (version >= 7) {
+                data.grassTexturePath   = in.readUTF();
+                data.grassDefaultHeight = in.readFloat();
+            }
+            if (version >= 8) {
+                in.readFully(data.grassHeightMap);
+            }
+            if (version >= 9) {
+                int n = in.readInt();
+                data.grassTextureSlots = new String[n];
+                for (int i = 0; i < n; i++) data.grassTextureSlots[i] = in.readUTF();
+                in.readFully(data.grassTextureMap);
+            }
         }
         return data;
     }

blight-common/src/main/java/de/blight/common/PlacedModel.java

@@ -11,5 +11,7 @@ public record PlacedModel(
         /** Relativer Asset-Pfad zur exportierten j3o-Datei des Custom Meshes; "" wenn nicht verwendet. */
         String  meshFile,
         /** AnimationLibrary-Clip-Key (z. B. "walk/Run"); "" = keine Animation. */
-        String  animClip
+        String  animClip,
+        boolean castShadow,
+        boolean receiveShadow
 ) {}

blight-common/src/main/java/de/blight/common/PlacedModelIO.java

@@ -8,10 +8,10 @@ import java.util.*;
  * Liest und schreibt platzierte Modelle als tab-separierte Textdatei
  * ({@code blight_objects.blo}) neben der Kartendatei.
  *
- * Spalten (seit v2):
- *   modelPath  x  y  z  rotY  scale  rotX  rotZ  solid  texPath  nmPath  matPath  meshFile
+ * Spalten (seit v3):
+ *   modelPath  x  y  z  rotY  scale  rotX  rotZ  solid  texPath  nmPath  matPath  meshFile  animClip  castShadow  receiveShadow
  *
- * Alte Dateien mit 6 Spalten (v1) werden gelesen; fehlende Felder erhalten Standardwerte.
+ * Alte Dateien mit 6 Spalten (v1/v2) werden gelesen; fehlende Felder erhalten Standardwerte.
  */
 public final class PlacedModelIO {
 
@@ -25,18 +25,19 @@ public final class PlacedModelIO {
         Path p = getPath();
         Files.createDirectories(p.getParent());
         try (BufferedWriter w = Files.newBufferedWriter(p)) {
-            w.write("# modelPath\tx\ty\tz\trotY\tscale\trotX\trotZ\tsolid\ttexPath\tnmPath\tmatPath\tmeshFile\tanimClip");
+            w.write("# modelPath\tx\ty\tz\trotY\tscale\trotX\trotZ\tsolid\ttexPath\tnmPath\tmatPath\tmeshFile\tanimClip\tcastShadow\treceiveShadow");
             w.newLine();
             for (PlacedModel m : models) {
                 w.write(String.format(Locale.ROOT,
-                        "%s\t%.5f\t%.5f\t%.5f\t%.5f\t%.5f\t%.5f\t%.5f\t%b\t%s\t%s\t%s\t%s\t%s%n",
+                        "%s\t%.5f\t%.5f\t%.5f\t%.5f\t%.5f\t%.5f\t%.5f\t%b\t%s\t%s\t%s\t%s\t%s\t%b\t%b%n",
                         m.modelPath(),
                         m.x(), m.y(), m.z(),
                         m.rotY(), m.scale(),
                         m.rotX(), m.rotZ(),
                         m.solid(),
                         nvl(m.texturePath()), nvl(m.normalMapPath()), nvl(m.materialPath()),
-                        nvl(m.meshFile()), nvl(m.animClip())));
+                        nvl(m.meshFile()), nvl(m.animClip()),
+                        m.castShadow(), m.receiveShadow()));
             }
         }
     }
@@ -63,11 +64,14 @@ public final class PlacedModelIO {
                 String  texPath     = f.length > 9  ? f[9]                          : "";
                 String  nmPath      = f.length > 10 ? f[10]                         : "";
                 String  matPath     = f.length > 11 ? f[11]                         : "";
-                String  meshFile    = f.length > 12 ? f[12]                         : "";
-                String  animClip   = f.length > 13 ? f[13]                         : "";
+                String  meshFile      = f.length > 12 ? f[12]                           : "";
+                String  animClip      = f.length > 13 ? f[13]                           : "";
+                boolean castShadow    = f.length > 14 ? Boolean.parseBoolean(f[14])     : true;
+                boolean receiveShadow = f.length > 15 ? Boolean.parseBoolean(f[15])     : true;
                 list.add(new PlacedModel(modelPath, x, y, z,
                         rotY, rotX, rotZ, scale, solid,
-                        texPath, nmPath, matPath, meshFile, animClip));
+                        texPath, nmPath, matPath, meshFile, animClip,
+                        castShadow, receiveShadow));
             } catch (NumberFormatException ignored) {}
         }
         return list;

blight-common/src/main/java/de/blight/common/PlacedWater.java

@@ -1,7 +1,8 @@
 package de.blight.common;
 
-/** Unveränderliche Daten einer platzierten Wasseroberfläche (Teich, See). */
-public record PlacedWater(
-        float x, float y, float z,
-        float width, float depth
-) {}
+/**
+ * Platzierte Wasserfläche.
+ * Die Form wird zur Laufzeit per Flood-Fill aus dem Geländenetz berechnet –
+ * gespeichert werden nur Saatpunkt und Wasserstand.
+ */
+public record PlacedWater(float seedX, float seedZ, float waterHeight) {}

blight-common/src/main/java/de/blight/common/RiverIO.java

@@ -0,0 +1,73 @@
+package de.blight.common;
+
+import java.io.*;
+import java.nio.file.*;
+import java.util.*;
+
+/**
+ * Liest und schreibt platzierte Flüsse als Textdatei
+ * ({@code blight_rivers.blr}) neben der Kartendatei.
+ *
+ * Format: ein Fluss pro Zeile; Punkte getrennt durch {@code |};
+ * jeder Punkt: {@code x,y,z,width,uvSpeed} (5 Komma-getrennte Floats).
+ * Kommentarzeilen beginnen mit {@code #}.
+ */
+public final class RiverIO {
+
+    private RiverIO() {}
+
+    public static Path getPath() {
+        return MapIO.getMapPath().resolveSibling("blight_rivers.blr");
+    }
+
+    public static void save(List<List<RiverPoint>> rivers) throws IOException {
+        Path p = getPath();
+        Files.createDirectories(p.getParent());
+        try (BufferedWriter w = Files.newBufferedWriter(p)) {
+            w.write("# blight_rivers.blr – Flussdaten");
+            w.newLine();
+            w.write("# Format: x,y,z,width,uvSpeed | x,y,z,width,uvSpeed | ...");
+            w.newLine();
+            for (List<RiverPoint> river : rivers) {
+                if (river == null || river.isEmpty()) continue;
+                StringBuilder sb = new StringBuilder();
+                for (int i = 0; i < river.size(); i++) {
+                    if (i > 0) sb.append('|');
+                    RiverPoint pt = river.get(i);
+                    sb.append(String.format(Locale.ROOT, "%.5f,%.5f,%.5f,%.5f,%.5f",
+                            pt.x(), pt.y(), pt.z(), pt.width(), pt.uvSpeed()));
+                }
+                w.write(sb.toString());
+                w.newLine();
+            }
+        }
+    }
+
+    public static List<List<RiverPoint>> load() throws IOException {
+        Path p = getPath();
+        if (!Files.exists(p)) return List.of();
+        List<List<RiverPoint>> result = new ArrayList<>();
+        for (String line : Files.readAllLines(p)) {
+            line = line.strip();
+            if (line.isEmpty() || line.startsWith("#")) continue;
+            String[] parts = line.split("\\|", -1);
+            List<RiverPoint> river = new ArrayList<>();
+            for (String part : parts) {
+                part = part.strip();
+                if (part.isEmpty()) continue;
+                String[] f = part.split(",", -1);
+                if (f.length < 5) continue;
+                try {
+                    river.add(new RiverPoint(
+                            Float.parseFloat(f[0]),
+                            Float.parseFloat(f[1]),
+                            Float.parseFloat(f[2]),
+                            Float.parseFloat(f[3]),
+                            Float.parseFloat(f[4])));
+                } catch (NumberFormatException ignored) {}
+            }
+            if (!river.isEmpty()) result.add(river);
+        }
+        return result;
+    }
+}

blight-common/src/main/java/de/blight/common/RiverPoint.java

@@ -0,0 +1,9 @@
+package de.blight.common;
+
+/** Kontrollpunkt eines Flusses in Weltkoordinaten. */
+public record RiverPoint(float x, float y, float z, float width, float uvSpeed) {
+    public static final float DEFAULT_WIDTH    = 4.0f;
+    public static final float RIVER_SPEED      = 0.4f;
+    public static final float WATERFALL_SPEED  = 3.0f;
+    public boolean isWaterfall() { return uvSpeed >= 1.5f; }
+}

blight-common/src/main/java/de/blight/common/RiverSpline.java

@@ -0,0 +1,71 @@
+package de.blight.common;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Catmull-Rom-Spline-Glättung für Flusskontrollpunkte.
+ * Die Originalpunkte bleiben als Kontrollpunkte erhalten; subdivide()
+ * gibt eine dichtere Punktliste nur für die Visualisierung zurück.
+ */
+public final class RiverSpline {
+
+    /** Schritte pro Segment zwischen zwei Kontrollpunkten. */
+    private static final int STEPS = 8;
+
+    private RiverSpline() {}
+
+    /**
+     * Gibt eine Catmull-Rom-interpolierte Kopie der Punktliste zurück.
+     * Weniger als 2 Punkte werden unverändert zurückgegeben.
+     */
+    public static List<RiverPoint> subdivide(List<RiverPoint> pts) {
+        int n = pts.size();
+        if (n < 2) return new ArrayList<>(pts);
+
+        List<RiverPoint> result = new ArrayList<>(n * STEPS);
+
+        for (int i = 0; i < n - 1; i++) {
+            // Ghost-Punkte an den Enden: Spiegelung des Nachbarn
+            RiverPoint p0 = (i > 0)     ? pts.get(i - 1) : ghost(pts.get(i), pts.get(i + 1));
+            RiverPoint p1 = pts.get(i);
+            RiverPoint p2 = pts.get(i + 1);
+            RiverPoint p3 = (i < n - 2) ? pts.get(i + 2) : ghost(pts.get(i + 1), pts.get(i));
+
+            for (int s = 0; s < STEPS; s++) {
+                result.add(eval(p0, p1, p2, p3, (float) s / STEPS));
+            }
+        }
+        result.add(pts.get(n - 1));  // letzten Originalpunkt immer anhängen
+        return result;
+    }
+
+    // ── Catmull-Rom-Formel ────────────────────────────────────────────────────
+
+    private static RiverPoint eval(RiverPoint p0, RiverPoint p1,
+                                    RiverPoint p2, RiverPoint p3, float t) {
+        float t2 = t * t, t3 = t2 * t;
+        float b0 = -t3 + 2*t2 - t;
+        float b1 =  3*t3 - 5*t2 + 2;
+        float b2 = -3*t3 + 4*t2 + t;
+        float b3 =  t3 - t2;
+
+        float x = 0.5f * (b0*p0.x() + b1*p1.x() + b2*p2.x() + b3*p3.x());
+        float y = 0.5f * (b0*p0.y() + b1*p1.y() + b2*p2.y() + b3*p3.y());
+        float z = 0.5f * (b0*p0.z() + b1*p1.z() + b2*p2.z() + b3*p3.z());
+        float w = p1.width()   + t * (p2.width()   - p1.width());
+        float s = p1.uvSpeed() + t * (p2.uvSpeed() - p1.uvSpeed());
+        return new RiverPoint(x, y, z, w, s);
+    }
+
+    /** Spiegelung von 'other' durch 'anchor' als Ghost-Kontrollpunkt. */
+    private static RiverPoint ghost(RiverPoint anchor, RiverPoint other) {
+        return new RiverPoint(
+            2*anchor.x() - other.x(),
+            2*anchor.y() - other.y(),
+            2*anchor.z() - other.z(),
+            anchor.width(),
+            anchor.uvSpeed()
+        );
+    }
+}

blight-common/src/main/java/de/blight/common/WaterBodyIO.java

@@ -5,10 +5,11 @@ import java.nio.file.*;
 import java.util.*;
 
 /**
- * Liest und schreibt platzierte Wasseroberflächen als tab-separierte Textdatei
+ * Liest und schreibt platzierte Wasserflächen als tab-separierte Textdatei
  * ({@code blight_water.blw}) neben der Kartendatei.
  *
- * Spalten: x  y  z  width  depth
+ * Format: seedX  seedZ  waterHeight
+ * Die Form des Wasserkörpers wird per Flood-Fill zur Laufzeit rekonstruiert.
  */
 public final class WaterBodyIO {
 
@@ -22,12 +23,11 @@ public final class WaterBodyIO {
         Path p = getPath();
         Files.createDirectories(p.getParent());
         try (BufferedWriter w = Files.newBufferedWriter(p)) {
-            w.write("# x\ty\tz\twidth\tdepth");
+            w.write("# seedX\tseedZ\twaterHeight");
             w.newLine();
             for (PlacedWater b : bodies) {
-                w.write(String.format(Locale.ROOT,
-                        "%.5f\t%.5f\t%.5f\t%.5f\t%.5f%n",
-                        b.x(), b.y(), b.z(), b.width(), b.depth()));
+                w.write(String.format(Locale.ROOT, "%.5f\t%.5f\t%.5f%n",
+                        b.seedX(), b.seedZ(), b.waterHeight()));
             }
         }
     }
@@ -40,14 +40,12 @@ public final class WaterBodyIO {
             line = line.strip();
             if (line.isEmpty() || line.startsWith("#")) continue;
             String[] f = line.split("\t", -1);
-            if (f.length < 5) continue;
+            if (f.length < 3) continue;
             try {
                 list.add(new PlacedWater(
                         Float.parseFloat(f[0]),
                         Float.parseFloat(f[1]),
-                        Float.parseFloat(f[2]),
-                        Float.parseFloat(f[3]),
-                        Float.parseFloat(f[4])));
+                        Float.parseFloat(f[2])));
             } catch (NumberFormatException ignored) {}
         }
         return list;

blight-common/src/main/java/de/blight/common/model/CharacterIO.java

@@ -21,11 +21,12 @@ import java.util.stream.Stream;
  *   "characterId": "hero",
  *   "name": "Der Held",
  *   "modelPath": "Models/hero.j3o",
- *   "animSetPath": "animations/sets/hero.j3o",
+ *   "animSetPath": "human",
  *   ... (subclass fields via Gson)
  * }
- * Die Aktions-Zuweisung (IDLE → Clip-Name usw.) ist im AnimSet gespeichert
- * (animSetPath.replaceAll(".j3o", "") + ".animset.json").
+ * animSetPath ist der Set-Name (ohne Pfad/Extension).
+ * Die Aktions-Zuweisung liegt in animations/sets/{animSetPath}.animset.json.
+ * Die Clip-Dateien liegen in animations/clips/{clipName}.j3o.
  */
 public final class CharacterIO {
 

blight-editor/build.gradle

@@ -41,6 +41,7 @@ dependencies {
     implementation 'com.google.code.gson:gson:2.11.0'
     implementation 'org.slf4j:slf4j-api:2.0.17'
     implementation 'org.slf4j:jul-to-slf4j:2.0.17'
+    runtimeOnly    'ch.qos.logback:logback-classic:1.5.18'
     compileOnly     'org.projectlombok:lombok:1.18.38'
     annotationProcessor 'org.projectlombok:lombok:1.18.38'
 }

blight-editor/src/main/java/de/blight/editor/FrameTransfer.java

@@ -32,6 +32,9 @@ public class FrameTransfer implements SceneProcessor {
     private int[]      argbBuf;   // gesamtes Bild für einmaligen bulk-Write
 
     private final AtomicBoolean jfxBusy = new AtomicBoolean(false);
+    private volatile Runnable onFirstFrame;
+
+    public void setOnFirstFrame(Runnable cb) { this.onFirstFrame = cb; }
 
     public FrameTransfer(WritableImage image) {
         this.pw     = image.getPixelWriter();
@@ -77,6 +80,8 @@ public class FrameTransfer implements SceneProcessor {
                     }
                 }
                 pw.setPixels(0, 0, width, height, fmt, argbBuf, 0, width);
+                Runnable cb = onFirstFrame;
+                if (cb != null) { onFirstFrame = null; cb.run(); }
             } finally {
                 jfxBusy.set(false);
             }

blight-editor/src/main/java/de/blight/editor/JmeEditorApp.java

@@ -10,6 +10,7 @@ import com.jme3.texture.Texture2D;
 import de.blight.editor.state.AnimPreviewState;
 import de.blight.editor.state.EmitterState;
 import de.blight.editor.state.MusicAreaState;
+import de.blight.editor.state.RiverEditorState;
 import de.blight.editor.state.PlayToolState;
 import de.blight.editor.state.SoundAreaState;
 import de.blight.editor.state.WaterBodyState;
@@ -68,8 +69,7 @@ public class JmeEditorApp extends SimpleApplication {
     public void simpleInitApp() {
         flyCam.setEnabled(false);
 
-        // Explizit registrieren, falls General.cfg die Klassen beim ersten Start
-        // noch nicht gefunden hat (jme3-plugins war zuvor nicht auf dem Classpath).
+        input.loadingStatus = "Registriere Asset-Loader...";
         assetManager.registerLoader(com.jme3.scene.plugins.gltf.GltfLoader.class, "gltf");
         assetManager.registerLoader(com.jme3.scene.plugins.gltf.GlbLoader.class,  "glb");
 
@@ -78,11 +78,12 @@ public class JmeEditorApp extends SimpleApplication {
             assetManager.registerLocator(blightAssets.toAbsolutePath().toString(), FileLocator.class);
         }
 
-
+        input.loadingStatus = "Initialisiere Renderer...";
         currentW = vpWidth;
         currentH = vpHeight;
         buildFrameBuffer(vpWidth, vpHeight, initialImage);
 
+        input.loadingStatus = "Lade Editor-States...";
         stateManager.attach(new SceneObjectState(input));
         stateManager.attach(new TerrainEditorState(input));
         stateManager.attach(new TreeGeneratorState(input));
@@ -93,10 +94,11 @@ public class JmeEditorApp extends SimpleApplication {
         stateManager.attach(new WaterBodyState(input));
         stateManager.attach(new SoundAreaState(input));
         stateManager.attach(new MusicAreaState(input));
+        stateManager.attach(new RiverEditorState(input));
         stateManager.attach(new PlayToolState(input));
         stateManager.attach(new AnimPreviewState(input));
 
-        // JME-Konsole (Editor-Modus: kein RawInputListener – Eingabe via SharedInput)
+        input.loadingStatus = "Initialisiere Konsole...";
         jmeConsole = new JmeConsole(false);
         registerEditorCommands();
         jmeConsole.setOnVisibilityChanged(open -> {
@@ -158,6 +160,7 @@ public class JmeEditorApp extends SimpleApplication {
         viewPort.setOutputFrameBuffer(fb);
         guiViewPort.setOutputFrameBuffer(fb);
         frameTransfer = new FrameTransfer(image);
+        frameTransfer.setOnFirstFrame(() -> { input.loadingStatus = "Bereit"; input.jmeReady = true; });
         guiViewPort.addProcessor(frameTransfer);
     }
 

blight-editor/src/main/java/de/blight/editor/SharedInput.java

@@ -25,6 +25,10 @@ public class SharedInput {
     public final HoleTool        holeTool        = new HoleTool();
     public volatile EditorTool   activeTool      = heightTool;
 
+    // ── Initialisierungs-Status ───────────────────────────────────────────────
+    public volatile boolean jmeReady           = false;
+    public volatile String  loadingStatus      = "Initialisiere...";
+
     // ── Aktive Ebene: 0=Basis-Terrain, 3=Gras, 4=Textur ─────────────────────
     public volatile int     activeLayer        = 0;
 
@@ -63,6 +67,18 @@ public class SharedInput {
     public record GrassEdit(float screenX, float screenY, int action) {}
     public final ConcurrentLinkedQueue<GrassEdit> grassEditQueue = new ConcurrentLinkedQueue<>();
 
+    // ── Gras-Einstellungen (JavaFX → JME3) ───────────────────────────────────
+    /** Relativer Asset-Pfad der Gras-Textur ("" = Standardfarbe). */
+    public volatile String  grassTexturePath    = "";
+    /** JFX setzt true wenn Textur geändert; JME liest + resettet. */
+    public volatile boolean grassSettingsChanged = false;
+    /** Texturpfade für Gras-Slots 1..7 (Index 0 = Slot 1). Neues Array zuweisen bei Änderung. */
+    public volatile String[] grassTextureSlots  = new String[]{"", "", "", "", "", "", ""};
+    /** Aktiver Maler-Slot (0 = grassTexturePath/Slot0, 1–7 = grassTextureSlots[slot-1]). */
+    public volatile int      grassActiveSlot    = 0;
+    /** JFX setzt true wenn Slot-Texturen geändert wurden. */
+    public volatile boolean  grassSlotsChanged  = false;
+
     // ── Textur-Edits ─────────────────────────────────────────────────────────
     /** action +1 = selektierte Textur malen, -1 = auf Gras zurücksetzen. */
     public record TextureEdit(float screenX, float screenY, int action) {}
@@ -123,15 +139,15 @@ public class SharedInput {
     public volatile boolean       treePreviewResized = false;
 
     // ── Baum-Generator ───────────────────────────────────────────────────────
-    public record TreeGenRequest(TreeParams params, boolean exportAfter, String exportName) {}
+    public record TreeGenRequest(TreeParams params, boolean exportAfter, String treeType) {}
     public final ConcurrentLinkedQueue<TreeGenRequest> treeGenQueue = new ConcurrentLinkedQueue<>();
 
     // ── EZ-Tree-Generator ─────────────────────────────────────────────────────
-    public record EzTreeGenRequest(de.blight.eztree.TreeOptions options, String presetName, boolean exportAfter, String exportName, String treeCategory) {}
+    public record EzTreeGenRequest(de.blight.eztree.TreeOptions options, String presetName, boolean exportAfter) {}
     public final ConcurrentLinkedQueue<EzTreeGenRequest> ezTreeGenQueue = new ConcurrentLinkedQueue<>();
 
     // ── Palmen-Generator ──────────────────────────────────────────────────────
-    public record PalmGenRequest(PalmOptions options, boolean exportAfter, String exportName) {}
+    public record PalmGenRequest(PalmOptions options, boolean exportAfter) {}
     public final ConcurrentLinkedQueue<PalmGenRequest> palmGenQueue = new ConcurrentLinkedQueue<>();
 
     // ── Objekt-Werkzeug ──────────────────────────────────────────────────────
@@ -201,6 +217,8 @@ public class SharedInput {
             float x, float y, float z,
             float rotX, float rotY, float rotZ,
             boolean solid,
+            boolean castShadow,
+            boolean receiveShadow,
             String texPath,       // null = nicht ändern
             String normalMapPath, // null = nicht ändern
             String matPath        // null = nicht ändern
@@ -325,18 +343,38 @@ public class SharedInput {
     /** activeLayer==12 → Temporären Spawnpunkt setzen und Spiel starten */
     public static final int LAYER_PLAY_TOOL = 12;
 
+    /** activeLayer==13 → Flüsse platzieren */
+    public static final int LAYER_RIVERS = 13;
+
+    // ── Fluss-Werkzeug ─────────────────────────────────────────────────────────
+    public record RiverClick(float screenX, float screenY, boolean rightButton) {}
+    public final ConcurrentLinkedQueue<RiverClick> riverClickQueue = new ConcurrentLinkedQueue<>();
+    public volatile float   riverNewWidth   = 4.0f;   // Breite des nächsten Punktes
+    public volatile float   riverNewSpeed   = 0.4f;   // UV-Geschwindigkeit (0.4=Fluss, 3.0=Wasserfall)
+    public volatile boolean undoRiverPointRequested = false;
+    public volatile String  riverHint       = null;
+
+    /** JME → JavaFX: Info des selektierten Flusses. Format: "idx|numPoints|totalLengthM" oder null. */
+    public volatile String  selectedRiverInfo    = null;
+    public volatile boolean riverSelectionChanged = false;
+    /** JavaFX → JME: Selektierten Fluss löschen. */
+    public volatile boolean deleteRiverRequested = false;
+
     /** Klick im Viewport im Wasser-Modus: platzieren oder selektieren. */
     public record WaterClick(float screenX, float screenY, boolean rightButton) {}
     public final ConcurrentLinkedQueue<WaterClick> waterClickQueue = new ConcurrentLinkedQueue<>();
 
     /**
      * JME → JavaFX: Info der selektierten Wasseroberfläche.
-     * Format: "idx|x|y|z|width|depth" oder null.
+     * Format: "idx|seedX|seedZ|waterHeight|cellCount" oder null.
      */
     public volatile String  selectedWaterInfo    = null;
     public volatile boolean waterSelectionChanged = false;
 
-    /** JavaFX → JME: aktualisierte Parameter der selektierten Wasseroberfläche. */
+    /** JME → JavaFX: Hinweis wenn Platzierung oder Höhenänderung fehlschlägt. */
+    public volatile String  waterHint            = null;
+
+    /** JavaFX → JME: aktualisierte Wasserhöhe der selektierten Fläche. */
     public final AtomicReference<de.blight.common.PlacedWater> pendingWater = new AtomicReference<>();
 
     /** JavaFX → JME: Selektierte Wasseroberfläche löschen. */
@@ -389,6 +427,11 @@ public class SharedInput {
     public volatile float tempSpawnX = Float.NaN;
     public volatile float tempSpawnZ = Float.NaN;
 
+    /** Live-Spielerposition aus dem laufenden Spiel (NaN = kein Spiel aktiv). */
+    public volatile float livePlayerX = Float.NaN;
+    public volatile float livePlayerY = Float.NaN;
+    public volatile float livePlayerZ = Float.NaN;
+
     // ── Animations-Vorschau ──────────────────────────────────────────────────
     public volatile float animPreviewRotY    = 0f;
     public volatile float animPreviewRotX    = 25f;
@@ -437,8 +480,15 @@ public class SharedInput {
     public final java.util.concurrent.atomic.AtomicReference<AnimSetSaveRequest>
             animSetSaveRequest = new java.util.concurrent.atomic.AtomicReference<>();
 
+    // ── Animationen in Charakter-Modell einbetten ─────────────────────────────
+    public record AnimEmbedRequest(String characterModelPath, String setName) {}
+    public final java.util.concurrent.atomic.AtomicReference<AnimEmbedRequest>
+            animEmbedRequest = new java.util.concurrent.atomic.AtomicReference<>();
+
     /** JME3 → JavaFX: Status-Meldung für Clip- und Set-Operationen. */
-    public volatile String animOpStatus = null;
+    public volatile String animOpStatus    = null;
+    /** JME3 → JavaFX: Status-Meldung für Einbett-Operationen (Character Editor). */
+    public volatile String animEmbedStatus = null;
 
     // ── Modell-Konvertierung ──────────────────────────────────────────────────
     /**

blight-editor/src/main/java/de/blight/editor/object/SceneObject.java

@@ -12,7 +12,9 @@ public class SceneObject extends PlacedObject {
     private float rotX;       // X-Achsen-Rotation in Radiant
     private float rotZ;       // Z-Achsen-Rotation in Radiant
     private float scale;
-    public  boolean solid;    // Charakter-Kollision
+    public  boolean solid;          // Charakter-Kollision
+    public  boolean castShadow    = true;
+    public  boolean receiveShadow = true;
     public  String modelPath; // relativ zu blight-assets/src/main/resources/
     public  String texturePath   = "";
     public  String normalMapPath = "";

blight-editor/src/main/java/de/blight/editor/state/AnimPreviewState.java

@@ -173,6 +173,9 @@ public class AnimPreviewState extends BaseAppState {
         SharedInput.AnimSetSaveRequest setReq = input.animSetSaveRequest.getAndSet(null);
         if (setReq != null) executeAnimSetSave(setReq);
 
+        SharedInput.AnimEmbedRequest embedReq = input.animEmbedRequest.getAndSet(null);
+        if (embedReq != null) executeAnimEmbed(embedReq);
+
         // Geschwindigkeit live anpassen
         if (currentAction != null) {
             try { currentAction.setSpeed(input.animPreviewSpeed); } catch (Exception ignored) {}
@@ -389,7 +392,7 @@ public class AnimPreviewState extends BaseAppState {
         return false;
     }
 
-    // ── Animation hinzufügen (Retargeting) ───────────────────────────────────
+    // ── Animation hinzufügen → direkt in Clip-Bibliothek speichern ───────────
 
     private void addAnimation(String animAssetPath) {
         if (currentModel == null) {
@@ -422,7 +425,6 @@ public class AnimPreviewState extends BaseAppState {
             com.jme3.anim.Armature srcArm = sourceSC != null ? sourceSC.getArmature() : null;
             com.jme3.anim.Armature dstArm = targetSC != null ? targetSC.getArmature() : null;
 
-            // Diagnose: Knochen-Namen beider Skelette ausgeben
             if (srcArm != null) {
                 System.err.println("[Retarget] Quell-Knochen (" + srcArm.getJointCount() + "):");
                 for (var j : srcArm.getJointList()) System.err.println("  src: " + j.getName());
@@ -442,15 +444,15 @@ public class AnimPreviewState extends BaseAppState {
                 System.err.println("[Retarget] Mapping (" + mapping.size() + " Treffer): " + mapping);
             }
 
-            // Blender-Duplikate herausfiltern: Clips deren Name mit ".NNN" endet und deren
-            // Basis-Name (ohne Suffix) ebenfalls in der Quelle vorkommt, werden übersprungen.
             java.util.Set<String> srcNames = new java.util.HashSet<>();
             for (AnimClip c : sourceAC.getAnimClips()) srcNames.add(c.getName());
 
-            int added = 0;
+            java.nio.file.Path clipsDir = ASSET_ROOT.resolve("animations").resolve("clips");
+            java.nio.file.Files.createDirectories(clipsDir);
+
+            int saved = 0;
             for (AnimClip clip : sourceAC.getAnimClips()) {
                 String name = clip.getName();
-                // Prüfen ob Name dem Muster "base.NNN" entspricht (Blender-Duplikat)
                 if (name.matches(".*\\.\\d{3}$")) {
                     String base = name.substring(0, name.length() - 4);
                     if (srcNames.contains(base)) {
@@ -461,20 +463,20 @@ public class AnimPreviewState extends BaseAppState {
                 AnimClip result = retarget
                         ? de.blight.game.animation.RetargetingSystem.retarget(clip, srcArm, dstArm)
                         : clip;
-                if (result != null) {
-                    targetAC.addAnimClip(result);
-                    added++;
-                }
+                if (result == null) continue;
+
+                // Direkt in die Clip-Bibliothek speichern – das Modell wird nicht modifiziert
+                saveClipToFile(result, dstArm != null ? dstArm : srcArm,
+                        clipsDir.resolve(name + ".j3o"));
+                // Für den aktuellen Preview-Session auch auf das Modell anwenden
+                targetAC.addAnimClip(result);
+                saved++;
             }
-            // Clip-Liste neu aufbauen
             List<String> clips = new ArrayList<>();
             collectClips(currentModel, clips);
             input.animPreviewClips.set(Collections.unmodifiableList(clips));
-            input.animPreviewStatus = added + " Clip(s) hinzugefügt"
-                    + (retarget ? " (retargeted)" : " (direkt, kein Retargeting)");
-
-            // Modell mit neuem Clip persistieren, damit der Clip nach Editor-Neustart noch da ist
-            if (added > 0) saveModel();
+            input.animPreviewStatus = saved + " Clip(s) in animations/clips/ gespeichert"
+                    + (retarget ? " (retargeted)" : " (direkt)");
         } catch (Exception e) {
             input.animPreviewStatus = "Fehler beim Hinzufügen: " + e.getMessage();
         }
@@ -503,7 +505,6 @@ public class AnimPreviewState extends BaseAppState {
         collectClips(currentModel, clips);
         input.animPreviewClips.set(Collections.unmodifiableList(clips));
         input.animPreviewStatus = "Clip entfernt: " + clipName;
-        saveModel();
     }
 
     private <T extends com.jme3.scene.control.Control> T findControl(Spatial s, Class<T> type) {
@@ -755,19 +756,14 @@ public class AnimPreviewState extends BaseAppState {
         AnimClip renamed = new AnimClip(req.newName());
         renamed.setTracks(src.getTracks());
         ac.addAnimClip(renamed);
-        saveModel();
+        // kein saveModel() – Quell-Modell bleibt unverändert
 
-        // Als eigenständige .j3o nach animations/ exportieren
+        // Als eigenständige .j3o nach animations/clips/ exportieren
         try {
-            com.jme3.scene.Node holder = new com.jme3.scene.Node("animExport");
-            AnimComposer expAC = new AnimComposer();
-            expAC.addAnimClip(renamed);
-            holder.addControl(expAC);
-            java.nio.file.Path outDir = ASSET_ROOT.resolve("animations");
-            java.nio.file.Files.createDirectories(outDir);
-            com.jme3.export.binary.BinaryExporter.getInstance()
-                    .save(holder, outDir.resolve(req.newName() + ".j3o").toFile());
-            // Clip-Liste aktualisieren
+            SkinningControl sc = findControl(currentModel, SkinningControl.class);
+            java.nio.file.Path clipsDir = ASSET_ROOT.resolve("animations").resolve("clips");
+            saveClipToFile(renamed, sc != null ? sc.getArmature() : null,
+                    clipsDir.resolve(req.newName() + ".j3o"));
             java.util.List<String> clips = new java.util.ArrayList<>();
             collectClips(currentModel, clips);
             input.animPreviewClips.set(java.util.Collections.unmodifiableList(clips));
@@ -780,37 +776,106 @@ public class AnimPreviewState extends BaseAppState {
     // ── Animations-Set speichern ──────────────────────────────────────────────
 
     private void executeAnimSetSave(SharedInput.AnimSetSaveRequest req) {
-        if (currentModel == null) { input.animOpStatus = "Fehler: kein Modell geladen"; return; }
-        AnimComposer ac = findControl(currentModel, AnimComposer.class);
-        if (ac == null) { input.animOpStatus = "Fehler: kein AnimComposer"; return; }
-
         try {
-            com.jme3.scene.Node holder = new com.jme3.scene.Node("animSet");
-            AnimComposer setAC = new AnimComposer();
-            int added = 0;
-            for (String clipName : req.clips()) {
-                AnimClip clip = ac.getAnimClip(clipName);
-                if (clip != null) { setAC.addAnimClip(clip); added++; }
-            }
-            holder.addControl(setAC);
-
             java.nio.file.Path setDir = ASSET_ROOT.resolve("animations").resolve("sets");
             java.nio.file.Files.createDirectories(setDir);
-            java.nio.file.Path j3oPath = setDir.resolve(req.setName() + ".j3o");
-            com.jme3.export.binary.BinaryExporter.getInstance().save(holder, j3oPath.toFile());
-
-            // Begleitende .animset.json mit Clip-Namen und Aktions-Zuweisung
             de.blight.game.animation.AnimSet animSet = new de.blight.game.animation.AnimSet();
             animSet.setClips(req.clips());
             animSet.setActionMap(req.actionMap() != null ? req.actionMap() : new java.util.LinkedHashMap<>());
             animSet.save(setDir, req.setName());
-
-            input.animOpStatus = "Set '" + req.setName() + "' gespeichert (" + added + " Clips)";
+            input.animOpStatus = "Animations-Set '" + req.setName() + "' gespeichert";
         } catch (Exception e) {
             input.animOpStatus = "Set-Fehler: " + e.getMessage();
         }
     }
 
+    private void executeAnimEmbed(SharedInput.AnimEmbedRequest req) {
+        java.nio.file.Path setDir   = ASSET_ROOT.resolve("animations").resolve("sets");
+        java.nio.file.Path clipsDir = ASSET_ROOT.resolve("animations").resolve("clips");
+
+        de.blight.game.animation.AnimSet set;
+        try {
+            set = de.blight.game.animation.AnimSet.load(setDir, req.setName());
+        } catch (Exception e) {
+            input.animEmbedStatus = "Fehler: Set nicht gefunden – " + e.getMessage();
+            return;
+        }
+        if (set.getClips().isEmpty()) {
+            input.animEmbedStatus = "Fehler: Set '" + req.setName() + "' enthält keine Clips";
+            return;
+        }
+
+        try {
+            Spatial charModel = loadFresh(req.characterModelPath());
+            AnimComposer    charAC = findControl(charModel, AnimComposer.class);
+            SkinningControl charSC = findControl(charModel, SkinningControl.class);
+            if (charAC == null) {
+                input.animEmbedStatus = "Fehler: Charakter-Modell hat keinen AnimComposer";
+                return;
+            }
+            com.jme3.anim.Armature dstArm = charSC != null ? charSC.getArmature() : null;
+
+            int embedded = 0;
+            for (String clipName : set.getClips()) {
+                if (!Files.exists(clipsDir.resolve(clipName + ".j3o"))) {
+                    System.err.println("[AnimEmbed] Clip nicht gefunden: " + clipName);
+                    continue;
+                }
+                try {
+                    Spatial clipSpatial = loadFresh("animations/clips/" + clipName + ".j3o");
+                    AnimComposer    clipAC = findControl(clipSpatial, AnimComposer.class);
+                    SkinningControl clipSC = findControl(clipSpatial, SkinningControl.class);
+                    if (clipAC == null) continue;
+                    com.jme3.anim.Armature srcArm = clipSC != null ? clipSC.getArmature() : null;
+
+                    for (AnimClip clip : clipAC.getAnimClips()) {
+                        if (charAC.getAnimClip(clip.getName()) != null) continue;
+                        AnimClip target;
+                        if (srcArm != null && dstArm != null && !haveSameBoneNames(srcArm, dstArm)) {
+                            target = de.blight.game.animation.RetargetingSystem
+                                    .retarget(clip, srcArm, dstArm);
+                        } else {
+                            target = clip;
+                        }
+                        if (target != null) { charAC.addAnimClip(target); embedded++; }
+                    }
+                } catch (Exception e) {
+                    System.err.println("[AnimEmbed] Fehler bei Clip " + clipName + ": " + e.getMessage());
+                }
+            }
+
+            // Charakter-Modell mit eingebetteten Clips speichern
+            java.nio.file.Path charFile = ASSET_ROOT.resolve(
+                    req.characterModelPath().replace('/', java.io.File.separatorChar));
+            BinaryExporter.getInstance().save(charModel, charFile.toFile());
+            assets.deleteFromCache(new com.jme3.asset.ModelKey(req.characterModelPath()));
+
+            input.animEmbedStatus = embedded + " Clip(s) in '"
+                    + req.characterModelPath() + "' eingebettet";
+        } catch (Exception e) {
+            input.animEmbedStatus = "Embed-Fehler: " + e.getMessage();
+        }
+    }
+
+    private void saveClipToFile(AnimClip clip, com.jme3.anim.Armature armature,
+                                java.nio.file.Path outFile) throws Exception {
+        Node holder = new Node("clip_" + clip.getName());
+        AnimComposer expAC = new AnimComposer();
+        expAC.addAnimClip(clip);
+        holder.addControl(expAC);
+        if (armature != null) holder.addControl(new SkinningControl(armature));
+        java.nio.file.Files.createDirectories(outFile.getParent());
+        BinaryExporter.getInstance().save(holder, outFile.toFile());
+    }
+
+    private static boolean haveSameBoneNames(com.jme3.anim.Armature a, com.jme3.anim.Armature b) {
+        if (a.getJointCount() != b.getJointCount()) return false;
+        java.util.Set<String> namesA = new java.util.HashSet<>();
+        for (var j : a.getJointList()) namesA.add(j.getName());
+        for (var j : b.getJointList()) if (!namesA.contains(j.getName())) return false;
+        return true;
+    }
+
     private static java.util.Map<com.jme3.anim.Joint, com.jme3.math.Quaternion>
             buildMS(com.jme3.anim.Armature arm) {
         java.util.Map<com.jme3.anim.Joint, com.jme3.math.Quaternion> cache = new java.util.HashMap<>();

blight-editor/src/main/java/de/blight/editor/state/EzTreeState.java

@@ -138,7 +138,7 @@ public class EzTreeState extends BaseAppState {
         });
 
         if (!req.exportAfter()) {
-            input.treeGenStatusMsg = "EZ-Tree Vorschau: '" + req.exportName() + "'";
+            input.treeGenStatusMsg = "EZ-Tree Vorschau: " + resolveSubPath(req.presetName());
         } else {
             input.treeGenStatusMsg = "EZ-Tree: generiere…";
         }
@@ -356,10 +356,14 @@ public class EzTreeState extends BaseAppState {
         Node treeNode = pendingTreeNode;
         cleanupCapture();
 
-        String exportName = req.exportName() + "_"
-                + DateTimeFormatter.ofPattern("yyyyMMdd_HHmmss").format(LocalDateTime.now());
+        String subPath    = resolveSubPath(req.presetName());
+        String namePart   = req.presetName() != null
+                          ? req.presetName().toLowerCase().replace(" ", "_")
+                          : subPath;
+        String timestamp  = DateTimeFormatter.ofPattern("yyyyMMdd_HHmmss").format(LocalDateTime.now());
+        String exportName = namePart + "_" + timestamp;
         saveImpostor(pixels, "ez_impostor_" + exportName);
-        exportTree(treeNode, req.exportName(), req.treeCategory());
+        exportTree(treeNode, exportName, subPath);
 
         pendingRequest  = null;
         pendingTreeNode = null;
@@ -540,21 +544,40 @@ public class EzTreeState extends BaseAppState {
         }
     }
 
-    private void exportTree(Node treeNode, String name, String treeCategory) {
+    private void exportTree(Node treeNode, String fileName, String subPath) {
         try {
-            Path baseDir = (treeCategory != null && !treeCategory.isBlank())
-                    ? ASSET_ROOT.resolve("trees").resolve(treeCategory)
-                    : ASSET_ROOT.resolve("Models");
+            Path baseDir = ASSET_ROOT.resolve("Models").resolve("trees").resolve(subPath);
             Files.createDirectories(baseDir);
-            File out = baseDir.resolve(name + ".j3o").toFile();
+            File out = baseDir.resolve(fileName + ".j3o").toFile();
             BinaryExporter.getInstance().save(treeNode, out);
             log.info("[EZ-Tree] Gespeichert: {}", out.getAbsolutePath());
-            input.treeGenStatusMsg     = "EZ-Tree exportiert: " + out.getName();
-            input.refreshAssets        = true;
-            input.refreshTreeFolders   = true;
+            input.treeGenStatusMsg   = "Gespeichert: Models/trees/" + subPath + "/" + fileName + ".j3o";
+            input.refreshAssets      = true;
+            input.refreshTreeFolders = true;
         } catch (IOException e) {
             log.error("[EZ-Tree] Export-Fehler: {}", e.getMessage());
             input.treeGenStatusMsg = "EZ-Tree Export-Fehler: " + e.getMessage();
         }
     }
+
+    private static String resolveSubPath(String presetName) {
+        if (presetName == null) return "unknown";
+        String lo = presetName.toLowerCase();
+
+        String size = lo.contains(" small")  ? "/small"
+                    : lo.contains(" medium") ? "/medium"
+                    : lo.contains(" large")  ? "/large"
+                    : lo.contains(" 1")      ? "/1"
+                    : lo.contains(" 2")      ? "/2"
+                    : lo.contains(" 3")      ? "/3"
+                    : "";
+
+        if (lo.contains("oak"))     return "oak"     + size;
+        if (lo.contains("ash"))     return "ash"     + size;
+        if (lo.contains("aspen"))   return "aspen"   + size;
+        if (lo.contains("pine"))    return "pine"    + size;
+        if (lo.contains("bush"))    return "bush"    + size;
+        if (lo.contains("trellis")) return "trellis" + size;
+        return lo.replaceAll("\\s+.*", "") + size;
+    }
 }

blight-editor/src/main/java/de/blight/editor/state/PalmGeneratorState.java

@@ -89,17 +89,14 @@ public class PalmGeneratorState extends BaseAppState {
         final Vector3f   finalTarget = target;
         final Node       finalPalm   = palm;
         final PalmOptions finalOpts  = req.options();
-        final String     finalName   = req.exportName();
         final boolean    doExport    = req.exportAfter();
 
         app.enqueue(() -> {
             previewHost.setPreviewContent(finalPalm, finalDist, finalTarget);
-            if (doExport) exportPalm(finalPalm, finalName);
+            if (doExport) exportPalm(finalPalm);
         });
 
-        input.treeGenStatusMsg = doExport
-                ? "Palme: exportiere…"
-                : "Palme: Vorschau '" + req.exportName() + "'";
+        input.treeGenStatusMsg = doExport ? "Palme: exportiere…" : "Palme: Vorschau";
     }
 
     private void applyMaterials(Node palm, PalmOptions opts) {
@@ -190,16 +187,15 @@ public class PalmGeneratorState extends BaseAppState {
         }
     }
 
-    private void exportPalm(Node palmNode, String name) {
+    private void exportPalm(Node palmNode) {
         try {
-            Path modelDir = ASSET_ROOT.resolve("trees").resolve("palm");
+            Path modelDir = ASSET_ROOT.resolve("Models").resolve("trees").resolve("palm");
             Files.createDirectories(modelDir);
-            String stampedName = name + "_"
-                    + DateTimeFormatter.ofPattern("yyyyMMdd_HHmmss").format(LocalDateTime.now());
-            File out = modelDir.resolve("Palm_" + stampedName + ".j3o").toFile();
+            String fileName = "palm_" + DateTimeFormatter.ofPattern("yyyyMMdd_HHmmss").format(LocalDateTime.now());
+            File out = modelDir.resolve(fileName + ".j3o").toFile();
             BinaryExporter.getInstance().save(palmNode, out);
             log.info("[Palme] Gespeichert: {}", out.getAbsolutePath());
-            input.treeGenStatusMsg = "Palme exportiert: " + out.getName();
+            input.treeGenStatusMsg = "Gespeichert: Models/trees/palm/" + fileName + ".j3o";
             input.refreshAssets    = true;
         } catch (IOException e) {
             log.error("[Palme] Export-Fehler: {}", e.getMessage());

blight-editor/src/main/java/de/blight/editor/state/PlacedObjectState.java

@@ -19,6 +19,8 @@ import com.jme3.scene.VertexBuffer;
 import com.jme3.scene.control.AbstractControl;
 import com.jme3.terrain.geomipmap.TerrainQuad;
 import com.jme3.util.BufferUtils;
+import de.blight.common.GrassTuft;
+import de.blight.common.GrassTuftIO;
 import de.blight.common.MapData;
 import de.blight.editor.SharedInput;
 
@@ -27,31 +29,27 @@ import java.nio.IntBuffer;
 import java.util.*;
 
 /**
- * Rendert Gras auf dem Basis-Terrain.
+ * Rendert individuell platzierte Gras-Büschel im Editor.
  *
- * Datenmodell: Dichte-Map (513×513 Bytes, gleiche Auflösung wie Splatmap).
- * Rendering:   Pro 128×128-WE-Chunk ein gebatchtes Kreuz-Quad-Mesh.
- * LOD:         GrassVisibilityControl cullt Chunks jenseits FAR_DIST.
- * Wind:        MatDefs/Grass.j3md (Vertex-Shader mit Sinus-Wind).
+ * Jeder Büschel hat eine feste Weltposition (x, z), eine gebackene Höhe und einen Textur-Slot.
+ * Die Y-Koordinate wird beim Chunk-Rebuild live aus dem Terrain abgelesen.
+ *
+ * Chunks: 128×128-WE-Kacheln, lazy rebuild, LOD-Culling via GrassVisibilityControl.
  */
 public class PlacedObjectState extends BaseAppState {
 
-    // ── Terrain-Konstanten ────────────────────────────────────────────────────
+    // ── Terrain ───────────────────────────────────────────────────────────────
     private static final int   TERRAIN_HALF    = 2048;
-    private static final float WORLD_SIZE      = 4096f;
-
-    // ── Dichte-Map ────────────────────────────────────────────────────────────
-    private static final int   SPLAT_SIZE      = MapData.SPLAT_SIZE;        // 513
-    private static final float SPLAT_WE_PER_PX = WORLD_SIZE / (SPLAT_SIZE - 1); // 8.0
 
     // ── Chunks ────────────────────────────────────────────────────────────────
-    private static final int CHUNK_SIZE      = 128;
-    private static final int CHUNKS_PER_AXIS = (TERRAIN_HALF * 2) / CHUNK_SIZE; // 32
-    private static final int CHUNK_COUNT     = CHUNKS_PER_AXIS * CHUNKS_PER_AXIS;
+    private static final int   CHUNK_SIZE      = 128;
+    private static final int   CHUNKS_PER_AXIS = (TERRAIN_HALF * 2) / CHUNK_SIZE; // 32
+    private static final int   CHUNK_COUNT     = CHUNKS_PER_AXIS * CHUNKS_PER_AXIS; // 1024
 
-    // ── Gras-Generierung ──────────────────────────────────────────────────────
-    private static final int   MAX_BLADES_PER_PIXEL = 3;
-    private static final float BLADE_WIDTH_FACTOR   = 0.18f;
+    // ── Rendering ─────────────────────────────────────────────────────────────
+    private static final float BLADE_WIDTH     = 0.18f;
+    private static final int   BLADES_PER_TUFT = 4;     // Kreuz-Quads pro Büschel
+    private static final float TUFT_SPREAD     = 0.5f;  // Streuradius (WE)
 
     // ── LOD ───────────────────────────────────────────────────────────────────
     private static final float GRASS_FAR_DIST    = 400f;
@@ -64,23 +62,49 @@ public class PlacedObjectState extends BaseAppState {
     private final SharedInput input;
     private Camera            cam;
     private TerrainQuad       terrain;
+    private AssetManager      assetManager;
 
-    private Node     grassNode;
-    private Material grassMat;
+    private Node                         grassNode;
+    private final Map<Integer, Material> slotMaterials = new LinkedHashMap<>();
 
-    private byte[]   densityMap;
-
-    private final boolean[]  dirtyChunks = new boolean[CHUNK_COUNT];
-    private final Geometry[] chunkGeos   = new Geometry[CHUNK_COUNT];
+    @SuppressWarnings("unchecked")
+    private final List<GrassTuft>[] chunkTufts  = new List[CHUNK_COUNT];
+    private final Node[]            chunkNodes  = new Node[CHUNK_COUNT];
+    private final boolean[]         dirtyChunks = new boolean[CHUNK_COUNT];
 
     // ── Konstruktor ───────────────────────────────────────────────────────────
 
     public PlacedObjectState(SharedInput input, MapData loadedData) {
-        this.input     = input;
-        this.densityMap = new byte[SPLAT_SIZE * SPLAT_SIZE];
-        if (loadedData != null && loadedData.grassDensity != null) {
-            System.arraycopy(loadedData.grassDensity, 0, densityMap, 0, densityMap.length);
-            Arrays.fill(dirtyChunks, true);
+        this.input = input;
+        for (int i = 0; i < CHUNK_COUNT; i++) chunkTufts[i] = new ArrayList<>();
+
+        try {
+            GrassTuftIO.GrassData data = GrassTuftIO.load();
+            if (data != null) {
+                String[] paths = data.slotPaths();
+                if (paths != null && paths.length > 0) {
+                    input.grassTexturePath = paths[0] != null ? paths[0] : "";
+                    String[] slots = new String[]{"", "", "", "", "", "", ""};
+                    for (int i = 0; i < 7; i++) {
+                        int si = i + 1;
+                        slots[i] = (si < paths.length && paths[si] != null) ? paths[si] : "";
+                    }
+                    input.grassTextureSlots = slots;
+                }
+                for (GrassTuft t : data.tufts()) {
+                    int ci = chunkIndex(t.x(), t.z());
+                    if (ci >= 0) {
+                        chunkTufts[ci].add(t);
+                        dirtyChunks[ci] = true;
+                    }
+                }
+            }
+        } catch (Exception e) {
+            System.err.println("[PlacedObjectState] Grasdaten nicht ladbar: " + e.getMessage());
+        }
+
+        if (loadedData != null) {
+            input.grassTool.grassHeight.setValue(loadedData.grassDefaultHeight);
         }
     }
 
@@ -88,17 +112,36 @@ public class PlacedObjectState extends BaseAppState {
         this.terrain = terrain;
     }
 
-    /** Gibt die aktuelle Dichte-Map zurück (für performSave). */
-    public byte[] getDensityMap() { return densityMap; }
+    // ── Getters für Save ──────────────────────────────────────────────────────
+
+    public List<GrassTuft> getAllTufts() {
+        List<GrassTuft> all = new ArrayList<>();
+        for (List<GrassTuft> list : chunkTufts) all.addAll(list);
+        return all;
+    }
+
+    public String[] getSlotPaths() {
+        String[] paths = new String[8];
+        paths[0] = input.grassTexturePath != null ? input.grassTexturePath : "";
+        String[] slots = input.grassTextureSlots;
+        for (int i = 0; i < 7 && i < slots.length; i++)
+            paths[i + 1] = slots[i] != null ? slots[i] : "";
+        return paths;
+    }
+
+    public float getGrassDefaultHeight() {
+        return (float) input.grassTool.grassHeight.getValue();
+    }
 
     // ── Lifecycle ─────────────────────────────────────────────────────────────
 
     @Override
     protected void initialize(Application app) {
-        this.cam   = app.getCamera();
-        grassNode  = new Node("grassNode");
+        this.cam          = app.getCamera();
+        this.assetManager = app.getAssetManager();
+        grassNode = new Node("grassNode");
         ((SimpleApplication) app).getRootNode().attachChild(grassNode);
-        grassMat   = buildGrassMaterial(app.getAssetManager());
+        applyAllSlotMaterials();
     }
 
     @Override
@@ -111,30 +154,63 @@ public class PlacedObjectState extends BaseAppState {
 
     @Override
     public void update(float tpf) {
+        if (input.grassSettingsChanged || input.grassSlotsChanged) {
+            input.grassSettingsChanged = false;
+            input.grassSlotsChanged    = false;
+            applyAllSlotMaterials();
+        }
         processGrassEdits();
         rebuildDirtyChunks();
     }
 
-    // ── Material ──────────────────────────────────────────────────────────────
+    // ── Materialien ───────────────────────────────────────────────────────────
 
-    private Material buildGrassMaterial(AssetManager assets) {
+    private Material getMaterialForSlot(int slot) {
+        return slotMaterials.computeIfAbsent(slot, s -> buildFreshGrassMaterial());
+    }
+
+    private Material buildFreshGrassMaterial() {
         try {
-            Material mat = new Material(assets, "MatDefs/Grass.j3md");
+            Material mat = new Material(assetManager, "MatDefs/Grass.j3md");
             mat.setColor("Color", new ColorRGBA(0.25f, 0.70f, 0.15f, 1f));
             mat.setFloat("WindSpeed",    0.5f);
             mat.setFloat("WindStrength", 0.12f);
             mat.getAdditionalRenderState().setFaceCullMode(RenderState.FaceCullMode.Off);
             return mat;
         } catch (Exception e) {
-            System.err.println("[PlacedObjectState] Grass.j3md nicht gefunden, Fallback: " + e.getMessage());
-            Material mat = new Material(assets, "Common/MatDefs/Misc/Unshaded.j3md");
+            Material mat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
             mat.setColor("Color", new ColorRGBA(0.22f, 0.68f, 0.12f, 1f));
             mat.getAdditionalRenderState().setFaceCullMode(RenderState.FaceCullMode.Off);
             return mat;
         }
     }
 
-    // ── Pinsel: Dichte-Map anpassen ───────────────────────────────────────────
+    private void applyAllSlotMaterials() {
+        if (assetManager == null) return;
+        applyTexToMat(getMaterialForSlot(0), input.grassTexturePath);
+        String[] slots = input.grassTextureSlots;
+        for (int i = 0; i < slots.length; i++) {
+            if (slots[i] != null && !slots[i].isEmpty())
+                applyTexToMat(getMaterialForSlot(i + 1), slots[i]);
+        }
+    }
+
+    private void applyTexToMat(Material mat, String path) {
+        if (path != null && !path.isEmpty()) {
+            try {
+                mat.setTexture("ColorMap", assetManager.loadTexture(path));
+                mat.setColor("Color", ColorRGBA.White);
+            } catch (Exception e) {
+                try { mat.clearParam("ColorMap"); } catch (Exception ignored) {}
+                mat.setColor("Color", new ColorRGBA(0.25f, 0.70f, 0.15f, 1f));
+            }
+        } else {
+            try { mat.clearParam("ColorMap"); } catch (Exception ignored) {}
+            mat.setColor("Color", new ColorRGBA(0.25f, 0.70f, 0.15f, 1f));
+        }
+    }
+
+    // ── Pinsel-Interaktion ────────────────────────────────────────────────────
 
     private void processGrassEdits() {
         SharedInput.GrassEdit edit;
@@ -144,60 +220,58 @@ public class PlacedObjectState extends BaseAppState {
             float jmeY = cam.getHeight() - (float)(edit.screenY() * input.viewportScaleY);
             Vector3f near = cam.getWorldCoordinates(new Vector2f(jmeX, jmeY), 0f);
             Vector3f far  = cam.getWorldCoordinates(new Vector2f(jmeX, jmeY), 1f);
-            com.jme3.math.Ray ray = new com.jme3.math.Ray(near, far.subtract(near).normalizeLocal());
+            Ray ray = new Ray(near, far.subtract(near).normalizeLocal());
             CollisionResults hits = new CollisionResults();
             terrain.collideWith(ray, hits);
             if (hits.size() == 0) continue;
             Vector3f contact = hits.getClosestCollision().getContactPoint();
             float radius = (float) input.grassTool.brushRadius.getValue();
-            paintDensity(contact.x, contact.z, radius, edit.action());
+            if (edit.action() > 0) paintGrass(contact.x, contact.z, radius);
+            else                   eraseGrass(contact.x, contact.z, radius);
         }
     }
 
-    private void paintDensity(float cx, float cz, float radius, int action) {
-        int   centerPX = Math.round((cx + TERRAIN_HALF) / SPLAT_WE_PER_PX);
-        int   centerPZ = Math.round((cz + TERRAIN_HALF) / SPLAT_WE_PER_PX);
-        int   pixR     = (int) Math.ceil(radius / SPLAT_WE_PER_PX);
-        float strength = (float) input.grassTool.density.getValue() / 10f; // 0.1–5.0
-
-        for (int dz = -pixR; dz <= pixR; dz++) {
-            int pz = centerPZ + dz;
-            if (pz < 0 || pz >= SPLAT_SIZE) continue;
-            for (int dx = -pixR; dx <= pixR; dx++) {
-                int px = centerPX + dx;
-                if (px < 0 || px >= SPLAT_SIZE) continue;
-                float distWE = FastMath.sqrt(dx * dx + dz * dz) * SPLAT_WE_PER_PX;
-                if (distWE >= radius) continue;
-                float t       = distWE / radius;
-                float falloff = (1f + FastMath.cos(FastMath.PI * t)) * 0.5f;
-                int   delta   = (int)(strength * falloff * 40f);
-                int   idx     = pz * SPLAT_SIZE + px;
-                int   cur     = densityMap[idx] & 0xFF;
-                int   nxt     = (action > 0)
-                    ? Math.min(255, cur + delta)
-                    : Math.max(0,   cur - delta);
-                if (nxt != cur) {
-                    densityMap[idx] = (byte) nxt;
-                    markChunkDirtyAtPixel(px, pz);
-                }
+    private void paintGrass(float cx, float cz, float radius) {
+        int    n     = Math.max(1, (int) input.grassTool.density.getValue());
+        float  baseH = (float) input.grassTool.grassHeight.getValue();
+        int    slot  = input.grassActiveSlot;
+        Random rng   = new Random();
+        for (int i = 0; i < n; i++) {
+            float angle = rng.nextFloat() * FastMath.TWO_PI;
+            float dist  = FastMath.sqrt(rng.nextFloat()) * radius;
+            float bx    = cx + dist * FastMath.cos(angle);
+            float bz    = cz + dist * FastMath.sin(angle);
+            if (bx < -TERRAIN_HALF || bx > TERRAIN_HALF
+             || bz < -TERRAIN_HALF || bz > TERRAIN_HALF) continue;
+            float h  = baseH * (0.7f + rng.nextFloat() * 0.6f);
+            int   ci = chunkIndex(bx, bz);
+            if (ci >= 0) {
+                chunkTufts[ci].add(new GrassTuft(bx, bz, h, slot));
+                dirtyChunks[ci] = true;
             }
         }
     }
 
+    private void eraseGrass(float cx, float cz, float radius) {
+        float rSq = radius * radius;
+        for (int[] cc : overlappingChunks(cx, cz, radius)) {
+            int ci = cc[0] + cc[1] * CHUNKS_PER_AXIS;
+            boolean changed = chunkTufts[ci].removeIf(t -> {
+                float dx = t.x() - cx, dz = t.z() - cz;
+                return dx * dx + dz * dz <= rSq;
+            });
+            if (changed) dirtyChunks[ci] = true;
+        }
+    }
+
     // ── Höhenanpassung bei Terrain-Edit ───────────────────────────────────────
 
-    /**
-     * Markiert alle Chunks dirty, deren Fläche eine der übergebenen Terrain-Positionen
-     * enthält. Die Blatt-Y-Koordinaten werden beim nächsten Rebuild neu von
-     * terrain.getHeight() abgelesen.
-     */
     public void adjustObjectHeights(List<Vector2f> locs, List<Float> deltas) {
         for (Vector2f loc : locs) {
-            int cx = (int)((loc.x + TERRAIN_HALF) / CHUNK_SIZE);
-            int cz = (int)((loc.y + TERRAIN_HALF) / CHUNK_SIZE);
-            if (cx >= 0 && cx < CHUNKS_PER_AXIS && cz >= 0 && cz < CHUNKS_PER_AXIS) {
+            int cx = (int) Math.floor((loc.x + TERRAIN_HALF) / CHUNK_SIZE);
+            int cz = (int) Math.floor((loc.y + TERRAIN_HALF) / CHUNK_SIZE);
+            if (cx >= 0 && cx < CHUNKS_PER_AXIS && cz >= 0 && cz < CHUNKS_PER_AXIS)
                 dirtyChunks[cx + cz * CHUNKS_PER_AXIS] = true;
-            }
         }
     }
 
@@ -215,90 +289,76 @@ public class PlacedObjectState extends BaseAppState {
 
     private void rebuildChunk(int idx) {
         if (terrain == null) return;
+        int   cx    = idx % CHUNKS_PER_AXIS;
+        int   cz    = idx / CHUNKS_PER_AXIS;
+        float wXMin = -TERRAIN_HALF + cx * CHUNK_SIZE;
+        float wZMin = -TERRAIN_HALF + cz * CHUNK_SIZE;
 
-        int   cx        = idx % CHUNKS_PER_AXIS;
-        int   cz        = idx / CHUNKS_PER_AXIS;
-        float wXMin     = -TERRAIN_HALF + cx * CHUNK_SIZE;
-        float wZMin     = -TERRAIN_HALF + cz * CHUNK_SIZE;
+        if (chunkNodes[idx] != null) {
+            grassNode.detachChild(chunkNodes[idx]);
+            chunkNodes[idx] = null;
+        }
+        if (chunkTufts[idx].isEmpty()) return;
 
-        // Dichte-Pixel-Bereich dieses Chunks
-        int pxMin = Math.max(0,              (int)((wXMin + TERRAIN_HALF) / SPLAT_WE_PER_PX));
-        int pzMin = Math.max(0,              (int)((wZMin + TERRAIN_HALF) / SPLAT_WE_PER_PX));
-        int pxMax = Math.min(SPLAT_SIZE - 1, (int)((wXMin + CHUNK_SIZE + TERRAIN_HALF) / SPLAT_WE_PER_PX));
-        int pzMax = Math.min(SPLAT_SIZE - 1, (int)((wZMin + CHUNK_SIZE + TERRAIN_HALF) / SPLAT_WE_PER_PX));
-
-        float baseH = (float) input.grassTool.grassHeight.getValue();
-
-        // Blatt-Positionen generieren
-        List<float[]> blades = new ArrayList<>();  // [x, y, z, height]
-        for (int pz = pzMin; pz <= pzMax; pz++) {
-            for (int px = pxMin; px <= pxMax; px++) {
-                int d = densityMap[pz * SPLAT_SIZE + px] & 0xFF;
-                if (d == 0) continue;
-                int    count     = Math.max(1, (int)(d / 255f * MAX_BLADES_PER_PIXEL));
-                Random rng       = new Random((long) px * 100003L + pz);
-                float  pixWorldX = px * SPLAT_WE_PER_PX - TERRAIN_HALF;
-                float  pixWorldZ = pz * SPLAT_WE_PER_PX - TERRAIN_HALF;
-                for (int b = 0; b < count; b++) {
-                    float bx = pixWorldX + (rng.nextFloat() - 0.5f) * SPLAT_WE_PER_PX;
-                    float bz = pixWorldZ + (rng.nextFloat() - 0.5f) * SPLAT_WE_PER_PX;
-                    float th = terrain.getHeight(new Vector2f(bx, bz));
-                    if (Float.isNaN(th)) continue;
-                    float h = baseH * (0.7f + rng.nextFloat() * 0.6f);
-                    blades.add(new float[]{bx, th, bz, h});
-                }
+        Map<Integer, List<float[]>> bySlot = new LinkedHashMap<>();
+        for (GrassTuft t : chunkTufts[idx]) {
+            long   seed = (long) Float.floatToRawIntBits(t.x()) * 0x9E3779B9L
+                        ^ (long) Float.floatToRawIntBits(t.z()) * 0x6C62272EL;
+            Random rng  = new Random(seed);
+            List<float[]> blades = bySlot.computeIfAbsent(t.slot(), k -> new ArrayList<>());
+            for (int b = 0; b < BLADES_PER_TUFT; b++) {
+                float ox = (rng.nextFloat() - 0.5f) * TUFT_SPREAD * 2f;
+                float oz = (rng.nextFloat() - 0.5f) * TUFT_SPREAD * 2f;
+                float bx = t.x() + ox;
+                float bz = t.z() + oz;
+                float th = terrain.getHeight(new Vector2f(bx, bz));
+                if (Float.isNaN(th)) continue;
+                float bh = t.height() * (0.7f + rng.nextFloat() * 0.6f);
+                blades.add(new float[]{bx, th, bz, bh});
             }
         }
 
-        // Alte Geometrie entfernen
-        if (chunkGeos[idx] != null) {
-            grassNode.detachChild(chunkGeos[idx]);
-            chunkGeos[idx] = null;
+        float chunkCX = wXMin + CHUNK_SIZE * 0.5f;
+        float chunkCZ = wZMin + CHUNK_SIZE * 0.5f;
+        Node node = new Node("grassChunk_" + idx);
+        for (Map.Entry<Integer, List<float[]>> entry : bySlot.entrySet()) {
+            if (entry.getValue().isEmpty()) continue;
+            Geometry geo = new Geometry("grassChunk_" + idx + "_s" + entry.getKey(),
+                                        buildGrassMesh(entry.getValue()));
+            geo.setMaterial(getMaterialForSlot(entry.getKey()));
+            node.attachChild(geo);
         }
-        if (blades.isEmpty()) return;
-
-        Mesh     mesh     = buildGrassMesh(blades);
-        float    chunkCX  = wXMin + CHUNK_SIZE * 0.5f;
-        float    chunkCZ  = wZMin + CHUNK_SIZE * 0.5f;
-        Geometry geo      = new Geometry("grassChunk_" + idx, mesh);
-        geo.setMaterial(grassMat);
-        geo.addControl(new GrassVisibilityControl(cam, new Vector3f(chunkCX, 0f, chunkCZ)));
-        grassNode.attachChild(geo);
-        chunkGeos[idx] = geo;
+        if (node.getChildren().isEmpty()) return;
+        node.addControl(new GrassVisibilityControl(cam, new Vector3f(chunkCX, 0f, chunkCZ)));
+        grassNode.attachChild(node);
+        chunkNodes[idx] = node;
     }
 
-    // ── Mesh: Kreuz-Quad pro Halm mit UV-Koordinaten ──────────────────────────
+    // ── Mesh ──────────────────────────────────────────────────────────────────
 
     private static Mesh buildGrassMesh(List<float[]> blades) {
         int n = blades.size();
         FloatBuffer pos = BufferUtils.createFloatBuffer(n * 8 * 3);
         FloatBuffer uv  = BufferUtils.createFloatBuffer(n * 8 * 2);
         IntBuffer   idx = BufferUtils.createIntBuffer(n * 12);
-
         int vi = 0;
         for (float[] blade : blades) {
             float x = blade[0], y = blade[1], z = blade[2], h = blade[3];
-            float w = Math.max(0.05f, h * BLADE_WIDTH_FACTOR);
-
-            // Quad A – Breite entlang X-Achse
+            float w = Math.max(0.05f, h * BLADE_WIDTH);
             pos.put(x-w).put(y  ).put(z);  uv.put(0).put(0);
             pos.put(x+w).put(y  ).put(z);  uv.put(1).put(0);
             pos.put(x+w).put(y+h).put(z);  uv.put(1).put(1);
             pos.put(x-w).put(y+h).put(z);  uv.put(0).put(1);
-
-            // Quad B – Breite entlang Z-Achse
             pos.put(x).put(y  ).put(z-w);  uv.put(0).put(0);
             pos.put(x).put(y  ).put(z+w);  uv.put(1).put(0);
             pos.put(x).put(y+h).put(z+w);  uv.put(1).put(1);
             pos.put(x).put(y+h).put(z-w);  uv.put(0).put(1);
-
-            idx.put(vi  ).put(vi+1).put(vi+2);
-            idx.put(vi  ).put(vi+2).put(vi+3);
+            idx.put(vi).put(vi+1).put(vi+2);
+            idx.put(vi).put(vi+2).put(vi+3);
             idx.put(vi+4).put(vi+5).put(vi+6);
             idx.put(vi+4).put(vi+6).put(vi+7);
             vi += 8;
         }
-
         Mesh mesh = new Mesh();
         mesh.setBuffer(VertexBuffer.Type.Position, 3, pos);
         mesh.setBuffer(VertexBuffer.Type.TexCoord,  2, uv);
@@ -310,14 +370,12 @@ public class PlacedObjectState extends BaseAppState {
     // ── LOD-Control ───────────────────────────────────────────────────────────
 
     private static final class GrassVisibilityControl extends AbstractControl {
-        private final Camera  cam;
+        private final Camera   cam;
         private final Vector3f center;
-
         GrassVisibilityControl(Camera cam, Vector3f center) {
             this.cam    = cam;
             this.center = center;
         }
-
         @Override
         protected void controlUpdate(float tpf) {
             float distSq = cam.getLocation().distanceSquared(center);
@@ -325,19 +383,30 @@ public class PlacedObjectState extends BaseAppState {
                 ? Spatial.CullHint.Always
                 : Spatial.CullHint.Inherit);
         }
-
         @Override protected void controlRender(RenderManager rm, ViewPort vp) {}
     }
 
     // ── Hilfsmethoden ─────────────────────────────────────────────────────────
 
-    private void markChunkDirtyAtPixel(int px, int pz) {
-        float worldX = px * SPLAT_WE_PER_PX - TERRAIN_HALF;
-        float worldZ = pz * SPLAT_WE_PER_PX - TERRAIN_HALF;
-        int   cx     = (int)((worldX + TERRAIN_HALF) / CHUNK_SIZE);
-        int   cz     = (int)((worldZ + TERRAIN_HALF) / CHUNK_SIZE);
-        if (cx >= 0 && cx < CHUNKS_PER_AXIS && cz >= 0 && cz < CHUNKS_PER_AXIS) {
-            dirtyChunks[cx + cz * CHUNKS_PER_AXIS] = true;
+    private int chunkIndex(float wx, float wz) {
+        int cx = (int) Math.floor((wx + TERRAIN_HALF) / CHUNK_SIZE);
+        int cz = (int) Math.floor((wz + TERRAIN_HALF) / CHUNK_SIZE);
+        if (cx < 0 || cx >= CHUNKS_PER_AXIS || cz < 0 || cz >= CHUNKS_PER_AXIS) return -1;
+        return cx + cz * CHUNKS_PER_AXIS;
+    }
+
+    private int[][] overlappingChunks(float cx, float cz, float radius) {
+        int r   = (int) Math.ceil(radius / CHUNK_SIZE) + 1;
+        int ccx = (int) Math.floor((cx + TERRAIN_HALF) / CHUNK_SIZE);
+        int ccz = (int) Math.floor((cz + TERRAIN_HALF) / CHUNK_SIZE);
+        List<int[]> result = new ArrayList<>();
+        for (int dz = -r; dz <= r; dz++) {
+            for (int dx = -r; dx <= r; dx++) {
+                int nx = ccx + dx, nz = ccz + dz;
+                if (nx >= 0 && nx < CHUNKS_PER_AXIS && nz >= 0 && nz < CHUNKS_PER_AXIS)
+                    result.add(new int[]{nx, nz});
+            }
         }
+        return result.toArray(new int[0][]);
     }
 }

blight-editor/src/main/java/de/blight/editor/state/RiverEditorState.java

@@ -0,0 +1,493 @@
+package de.blight.editor.state;
+
+import com.jme3.app.Application;
+import com.jme3.app.SimpleApplication;
+import com.jme3.app.state.BaseAppState;
+import com.jme3.asset.AssetManager;
+import com.jme3.collision.CollisionResults;
+import com.jme3.material.Material;
+import com.jme3.material.RenderState;
+import com.jme3.math.ColorRGBA;
+import com.jme3.math.FastMath;
+import com.jme3.math.Ray;
+import com.jme3.math.Vector2f;
+import com.jme3.math.Vector3f;
+import com.jme3.renderer.Camera;
+import com.jme3.renderer.queue.RenderQueue;
+import com.jme3.scene.Geometry;
+import com.jme3.scene.Mesh;
+import com.jme3.scene.Node;
+import com.jme3.scene.Spatial;
+import com.jme3.scene.VertexBuffer;
+import com.jme3.scene.shape.Sphere;
+import com.jme3.terrain.geomipmap.TerrainQuad;
+import com.jme3.util.BufferUtils;
+import de.blight.common.RiverIO;
+import de.blight.common.RiverPoint;
+import de.blight.common.RiverSpline;
+import de.blight.editor.SharedInput;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.nio.FloatBuffer;
+import java.nio.IntBuffer;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Editor-State für das Fluss-Werkzeug.
+ * Erlaubt das interaktive Platzieren von Fluss-Kontrollpunkten auf dem Terrain
+ * und zeigt eine Live-Ribbon-Vorschau.
+ */
+public class RiverEditorState extends BaseAppState {
+
+    private static final Logger log = LoggerFactory.getLogger(RiverEditorState.class);
+    private static final float UV_SCALE = 4.0f;
+
+    private final SharedInput input;
+
+    private SimpleApplication app;
+    private Camera            cam;
+    private AssetManager      assets;
+    private Node              rootNode;
+    private TerrainQuad       terrain;
+
+    // ── Zustand ───────────────────────────────────────────────────────────────
+    private final List<List<RiverPoint>> rivers      = new ArrayList<>();
+    private final List<List<Geometry>>   pointGeos   = new ArrayList<>();
+    private final List<Geometry>         ribbonGeos  = new ArrayList<>();
+    private int activeRiver   = -1;  // -1 = kein aktiver Fluss (wird gebaut)
+    private int selectedRiver = -1;  // -1 = keine Selektion
+
+    public RiverEditorState(SharedInput input) {
+        this.input = input;
+    }
+
+    // ── Lifecycle ─────────────────────────────────────────────────────────────
+
+    @Override
+    protected void initialize(Application app) {
+        this.app      = (SimpleApplication) app;
+        this.cam      = app.getCamera();
+        this.assets   = app.getAssetManager();
+        this.rootNode = this.app.getRootNode();
+
+        try {
+            List<List<RiverPoint>> saved = RiverIO.load();
+            if (!saved.isEmpty()) loadPlacedRivers(saved);
+        } catch (Exception e) {
+            log.error("Flüsse nicht ladbar", e);
+        }
+    }
+
+    @Override
+    protected void cleanup(Application app) {
+        clearAll();
+    }
+
+    @Override
+    protected void onEnable() {
+        setCullHintAll(Spatial.CullHint.Inherit);
+    }
+
+    @Override
+    protected void onDisable() {
+        setCullHintAll(Spatial.CullHint.Always);
+    }
+
+    // ── Terrain ───────────────────────────────────────────────────────────────
+
+    private TerrainEditorState terrainEditor;
+
+    public void setTerrain(TerrainQuad t) {
+        this.terrain = t;
+    }
+
+    public void setTerrainEditor(TerrainEditorState te) {
+        this.terrainEditor = te;
+    }
+
+    // ── Update ────────────────────────────────────────────────────────────────
+
+    @Override
+    public void update(float tpf) {
+        if (input.activeLayer != SharedInput.LAYER_RIVERS) return;
+
+        // Undo: letzten Punkt des aktiven Flusses entfernen
+        if (input.undoRiverPointRequested) {
+            input.undoRiverPointRequested = false;
+            undoLastPoint();
+        }
+
+        // Selektierten Fluss löschen
+        if (input.deleteRiverRequested) {
+            input.deleteRiverRequested = false;
+            if (selectedRiver >= 0) {
+                removeRiver(selectedRiver);
+                selectedRiver = -1;
+                input.selectedRiverInfo = null;
+                input.riverSelectionChanged = true;
+            }
+        }
+
+        // Click-Queue verarbeiten
+        SharedInput.RiverClick click;
+        while ((click = input.riverClickQueue.poll()) != null) {
+            handleClick(click);
+        }
+    }
+
+    // ── Click-Verarbeitung ────────────────────────────────────────────────────
+
+    private void handleClick(SharedInput.RiverClick click) {
+        if (click.rightButton()) {
+            // Rechtsklick: aktiven Fluss abschließen
+            finalizeActiveRiver();
+            return;
+        }
+
+        if (terrain == null) return;
+
+        float jmeX = (float)(click.screenX() * input.viewportScaleX);
+        float jmeY = cam.getHeight() - (float)(click.screenY() * input.viewportScaleY);
+
+        Vector3f near = cam.getWorldCoordinates(new Vector2f(jmeX, jmeY), 0f);
+        Vector3f far  = cam.getWorldCoordinates(new Vector2f(jmeX, jmeY), 1f);
+        Ray ray = new Ray(near, far.subtract(near).normalizeLocal());
+
+        CollisionResults hits = new CollisionResults();
+        terrain.collideWith(ray, hits);
+        if (hits.size() == 0) return;
+
+        Vector3f hit = hits.getClosestCollision().getContactPoint();
+
+        // Kein aktiver Fluss: prüfen ob ein bestehender Fluss in der Nähe liegt → selektieren
+        if (activeRiver < 0) {
+            int nearby = findNearestRiver(hit, 8f);
+            if (nearby >= 0) {
+                selectRiver(nearby);
+                return;
+            }
+            // Klick ins Leere → Selektion aufheben
+            selectRiver(-1);
+        }
+
+        float w     = input.riverNewWidth;
+        float speed = input.riverNewSpeed;
+
+        RiverPoint pt = new RiverPoint(hit.x, hit.y, hit.z, w, speed);
+        addPoint(pt);
+    }
+
+    private void addPoint(RiverPoint pt) {
+        // Neuen Fluss starten wenn kein aktiver
+        if (activeRiver < 0 || activeRiver >= rivers.size()) {
+            rivers.add(new ArrayList<>());
+            pointGeos.add(new ArrayList<>());
+            ribbonGeos.add(null);
+            activeRiver = rivers.size() - 1;
+        }
+
+        List<RiverPoint> current = rivers.get(activeRiver);
+        if (!current.isEmpty() && terrainEditor != null) {
+            RiverPoint prev = current.get(current.size() - 1);
+            // Gefälle sicherstellen: neuer Punkt darf nicht höher als vorheriger sein
+            float newY = Math.min(pt.y(), prev.y() - 0.05f);
+            pt = new RiverPoint(pt.x(), newY, pt.z(), pt.width(), pt.uvSpeed());
+            // Flussbett graben
+            terrainEditor.carveRiverbedSegment(
+                prev.x(), prev.y(), prev.z(),
+                pt.x(),   pt.y(),  pt.z(),
+                pt.width() * 0.5f
+            );
+        }
+
+        rivers.get(activeRiver).add(pt);
+
+        // Kontrollpunkt-Geo
+        Geometry sphere = buildPointGeo(pt);
+        rootNode.attachChild(sphere);
+        pointGeos.get(activeRiver).add(sphere);
+
+        // Ribbon neu aufbauen
+        rebuildActiveRibbon();
+    }
+
+    private void finalizeActiveRiver() {
+        // Fluss mit weniger als 2 Punkten verwerfen
+        if (activeRiver >= 0 && activeRiver < rivers.size()) {
+            if (rivers.get(activeRiver).size() < 2) {
+                removeRiver(activeRiver);
+            }
+        }
+        activeRiver = -1;
+    }
+
+    private void undoLastPoint() {
+        if (activeRiver < 0 || activeRiver >= rivers.size()) return;
+        List<RiverPoint> pts  = rivers.get(activeRiver);
+        List<Geometry>   geos = pointGeos.get(activeRiver);
+        if (pts.isEmpty()) return;
+
+        pts.remove(pts.size() - 1);
+        Geometry last = geos.remove(geos.size() - 1);
+        rootNode.detachChild(last);
+
+        if (pts.isEmpty()) {
+            removeRiver(activeRiver);
+            activeRiver = -1;
+        } else {
+            rebuildActiveRibbon();
+        }
+    }
+
+    // ── Ribbon-Vorschau ───────────────────────────────────────────────────────
+
+    private void rebuildActiveRibbon() {
+        if (activeRiver < 0 || activeRiver >= rivers.size()) return;
+
+        // Altes Ribbon entfernen
+        Geometry old = ribbonGeos.get(activeRiver);
+        if (old != null) rootNode.detachChild(old);
+
+        List<RiverPoint> pts = rivers.get(activeRiver);
+        if (pts.size() < 2) {
+            ribbonGeos.set(activeRiver, null);
+            return;
+        }
+
+        Geometry ribbon = buildRibbon(pts);
+        ribbonGeos.set(activeRiver, ribbon);
+        rootNode.attachChild(ribbon);
+    }
+
+    // ── Öffentliche API ───────────────────────────────────────────────────────
+
+    /**
+     * Lädt bereits gespeicherte Flüsse und baut deren Visualisierungen auf.
+     */
+    public void loadPlacedRivers(List<List<RiverPoint>> loaded) {
+        clearAll();
+        log.info("Lade {} Fluss/Flüsse aus Datei", loaded.size());
+        for (List<RiverPoint> river : loaded) {
+            if (river == null || river.isEmpty()) continue;
+            int idx = rivers.size();
+            rivers.add(new ArrayList<>(river));
+            pointGeos.add(new ArrayList<>());
+            ribbonGeos.add(null);
+
+            for (RiverPoint pt : river) {
+                Geometry sphere = buildPointGeo(pt);
+                rootNode.attachChild(sphere);
+                pointGeos.get(idx).add(sphere);
+            }
+
+            if (river.size() >= 2) {
+                Geometry ribbon = buildRibbon(river);
+                ribbonGeos.set(idx, ribbon);
+                rootNode.attachChild(ribbon);
+            }
+        }
+        activeRiver = -1;
+    }
+
+    /**
+     * Gibt eine Kopie der aktuell platzierten Flüsse zurück.
+     */
+    public List<List<RiverPoint>> getPlacedRivers() {
+        List<List<RiverPoint>> copy = new ArrayList<>();
+        for (List<RiverPoint> river : rivers) {
+            if (river != null && river.size() >= 2) {
+                copy.add(new ArrayList<>(river));
+            }
+        }
+        return copy;
+    }
+
+    // ── Hilfsmethoden ─────────────────────────────────────────────────────────
+
+    private void clearAll() {
+        for (List<Geometry> geos : pointGeos) {
+            if (geos != null) for (Geometry g : geos) rootNode.detachChild(g);
+        }
+        for (Geometry ribbon : ribbonGeos) {
+            if (ribbon != null) rootNode.detachChild(ribbon);
+        }
+        rivers.clear();
+        pointGeos.clear();
+        ribbonGeos.clear();
+        activeRiver = -1;
+    }
+
+    private void removeRiver(int idx) {
+        if (idx < 0 || idx >= rivers.size()) return;
+        List<Geometry> geos = pointGeos.get(idx);
+        if (geos != null) for (Geometry g : geos) rootNode.detachChild(g);
+        Geometry ribbon = ribbonGeos.get(idx);
+        if (ribbon != null) rootNode.detachChild(ribbon);
+        rivers.remove(idx);
+        pointGeos.remove(idx);
+        ribbonGeos.remove(idx);
+        if (activeRiver   > idx) activeRiver--;
+        else if (activeRiver   == idx) activeRiver = -1;
+        if (selectedRiver > idx) selectedRiver--;
+        else if (selectedRiver == idx) selectedRiver = -1;
+    }
+
+    private void selectRiver(int idx) {
+        if (selectedRiver == idx) return;
+        // Altes Highlight zurücksetzen
+        if (selectedRiver >= 0 && selectedRiver < ribbonGeos.size()) {
+            Geometry old = ribbonGeos.get(selectedRiver);
+            if (old != null)
+                old.getMaterial().setColor("Color", new com.jme3.math.ColorRGBA(0.1f, 0.35f, 0.85f, 0.6f));
+        }
+        selectedRiver = idx;
+        if (idx >= 0 && idx < rivers.size()) {
+            Geometry ribbon = ribbonGeos.get(idx);
+            if (ribbon != null)
+                ribbon.getMaterial().setColor("Color", new com.jme3.math.ColorRGBA(1.0f, 0.75f, 0.0f, 0.9f));
+            List<RiverPoint> pts = rivers.get(idx);
+            float len = computeLength(pts);
+            input.selectedRiverInfo = idx + "|" + pts.size() + "|" + String.format(java.util.Locale.ROOT, "%.1f", len);
+        } else {
+            input.selectedRiverInfo = null;
+        }
+        input.riverSelectionChanged = true;
+    }
+
+    private static float computeLength(List<RiverPoint> pts) {
+        float len = 0f;
+        for (int i = 1; i < pts.size(); i++) {
+            RiverPoint a = pts.get(i - 1), b = pts.get(i);
+            float dx = b.x() - a.x(), dy = b.y() - a.y(), dz = b.z() - a.z();
+            len += FastMath.sqrt(dx * dx + dy * dy + dz * dz);
+        }
+        return len;
+    }
+
+    /** Gibt den Index des Flusses zurück, dessen nächster Punkt < threshold entfernt liegt, sonst -1. */
+    private int findNearestRiver(Vector3f worldPos, float threshold) {
+        float minDist = threshold * threshold;
+        int best = -1;
+        for (int i = 0; i < rivers.size(); i++) {
+            List<RiverPoint> pts = rivers.get(i);
+            if (pts == null) continue;
+            for (RiverPoint p : pts) {
+                float dx = p.x() - worldPos.x;
+                float dz = p.z() - worldPos.z;
+                float d2 = dx * dx + dz * dz;
+                if (d2 < minDist) { minDist = d2; best = i; }
+            }
+        }
+        return best;
+    }
+
+    private void setCullHintAll(Spatial.CullHint hint) {
+        for (List<Geometry> geos : pointGeos) {
+            if (geos != null) for (Geometry g : geos) g.setCullHint(hint);
+        }
+        for (Geometry ribbon : ribbonGeos) {
+            if (ribbon != null) ribbon.setCullHint(hint);
+        }
+    }
+
+    private Geometry buildPointGeo(RiverPoint pt) {
+        Sphere sphere = new Sphere(8, 8, 0.4f);
+        Geometry geo = new Geometry("riverPoint", sphere);
+        Material mat = new Material(assets, "Common/MatDefs/Misc/Unshaded.j3md");
+        if (pt.isWaterfall()) {
+            mat.setColor("Color", new ColorRGBA(1.0f, 0.45f, 0.0f, 1f));
+        } else {
+            mat.setColor("Color", new ColorRGBA(0.1f, 0.4f, 1.0f, 1f));
+        }
+        geo.setMaterial(mat);
+        geo.setLocalTranslation(pt.x(), pt.y() + 0.4f, pt.z());
+        return geo;
+    }
+
+    /**
+     * Baut ein Ribbon-Vorschau-Mesh (Unshaded, halb-transparent blau).
+     */
+    Geometry buildRibbon(List<RiverPoint> pts) {
+        pts = RiverSpline.subdivide(pts);
+        int n = pts.size();
+        if (n < 2) return null;
+
+        int vertCount = n * 2;
+        FloatBuffer pos  = BufferUtils.createFloatBuffer(vertCount * 3);
+        FloatBuffer norm = BufferUtils.createFloatBuffer(vertCount * 3);
+        FloatBuffer uv   = BufferUtils.createFloatBuffer(vertCount * 2);
+        IntBuffer   idx  = BufferUtils.createIntBuffer((n - 1) * 2 * 3);
+
+        Vector3f UP = Vector3f.UNIT_Y;
+
+        float[] arcLen = new float[n];
+        arcLen[0] = 0f;
+        for (int i = 1; i < n; i++) {
+            RiverPoint a = pts.get(i - 1);
+            RiverPoint b = pts.get(i);
+            float dx = b.x() - a.x();
+            float dz = b.z() - a.z();
+            float dy = b.y() - a.y();
+            arcLen[i] = arcLen[i - 1] + FastMath.sqrt(dx*dx + dy*dy + dz*dz);
+        }
+
+        for (int i = 0; i < n; i++) {
+            RiverPoint pt = pts.get(i);
+            Vector3f tangent;
+            if (i == 0) {
+                RiverPoint next = pts.get(1);
+                tangent = new Vector3f(next.x() - pt.x(), next.y() - pt.y(), next.z() - pt.z());
+            } else if (i == n - 1) {
+                RiverPoint prev = pts.get(n - 2);
+                tangent = new Vector3f(pt.x() - prev.x(), pt.y() - prev.y(), pt.z() - prev.z());
+            } else {
+                RiverPoint prev = pts.get(i - 1);
+                RiverPoint next = pts.get(i + 1);
+                tangent = new Vector3f(next.x() - prev.x(), next.y() - prev.y(), next.z() - prev.z());
+            }
+            if (tangent.lengthSquared() < 1e-6f) tangent.set(1f, 0f, 0f);
+            tangent.normalizeLocal();
+
+            Vector3f right = tangent.cross(UP).normalizeLocal();
+            if (right.lengthSquared() < 1e-6f) right.set(1f, 0f, 0f);
+
+            float halfW = pt.width() * 0.5f;
+            float px = pt.x(), py = pt.y() + 0.05f, pz = pt.z();
+
+            pos.put(px - right.x * halfW).put(py).put(pz - right.z * halfW);
+            norm.put(0f).put(1f).put(0f);
+            uv.put(0f).put(arcLen[i] / UV_SCALE);
+
+            pos.put(px + right.x * halfW).put(py).put(pz + right.z * halfW);
+            norm.put(0f).put(1f).put(0f);
+            uv.put(1f).put(arcLen[i] / UV_SCALE);
+        }
+
+        for (int i = 0; i < n - 1; i++) {
+            int v0 = 2 * i, v1 = 2 * i + 1, v2 = 2 * i + 2, v3 = 2 * i + 3;
+            idx.put(v0).put(v1).put(v3);
+            idx.put(v0).put(v3).put(v2);
+        }
+
+        pos.rewind(); norm.rewind(); uv.rewind(); idx.rewind();
+
+        Mesh mesh = new Mesh();
+        mesh.setBuffer(VertexBuffer.Type.Position, 3, pos);
+        mesh.setBuffer(VertexBuffer.Type.Normal,   3, norm);
+        mesh.setBuffer(VertexBuffer.Type.TexCoord, 2, uv);
+        mesh.setBuffer(VertexBuffer.Type.Index,    3, idx);
+        mesh.updateBound();
+        mesh.updateCounts();
+
+        Geometry geo = new Geometry("riverRibbon", mesh);
+        Material mat = new Material(assets, "Common/MatDefs/Misc/Unshaded.j3md");
+        mat.setColor("Color", new ColorRGBA(0.1f, 0.35f, 0.85f, 0.6f));
+        mat.getAdditionalRenderState().setBlendMode(RenderState.BlendMode.Alpha);
+        mat.getAdditionalRenderState().setFaceCullMode(RenderState.FaceCullMode.Off);
+        geo.setQueueBucket(RenderQueue.Bucket.Transparent);
+        geo.setMaterial(mat);
+        return geo;
+    }
+}

blight-editor/src/main/java/de/blight/editor/state/SceneObjectState.java

@@ -143,7 +143,8 @@ public class SceneObjectState extends BaseAppState {
                     so.getRotY(), so.getRotX(), so.getRotZ(),
                     so.getScale(), so.solid,
                     so.getTexturePath(), so.getNormalMapPath(), so.getMaterialPath(),
-                    meshFile, animClips.get(i)));
+                    meshFile, animClips.get(i),
+                    so.castShadow, so.receiveShadow));
         }
         return list;
     }
@@ -165,6 +166,8 @@ public class SceneObjectState extends BaseAppState {
             so.setTexturePath(pm.texturePath());
             so.setNormalMapPath(pm.normalMapPath());
             so.setMaterialPath(pm.materialPath());
+            so.castShadow    = pm.castShadow();
+            so.receiveShadow = pm.receiveShadow();
             objects.add(so);
             animClips.add(pm.animClip() != null ? pm.animClip() : "");
 
@@ -777,7 +780,8 @@ public class SceneObjectState extends BaseAppState {
                     + "|" + so.getRotX() + "|" + so.getRotY() + "|" + so.getRotZ()
                     + "|" + so.getScale() + "|" + so.getTexturePath()
                     + "|" + so.getNormalMapPath() + "|" + so.getMaterialPath()
-                    + "|" + animClips.get(idx);
+                    + "|" + animClips.get(idx)
+                    + "|" + so.castShadow + "|" + so.receiveShadow;
         } else {
             input.selectedObjectInfo = String.valueOf(n);
         }
@@ -1220,7 +1224,9 @@ public class SceneObjectState extends BaseAppState {
         q.fromAngles(prop.rotX(), prop.rotY(), prop.rotZ());
         node.setLocalRotation(q);
 
-        so.solid = prop.solid();
+        so.solid         = prop.solid();
+        so.castShadow    = prop.castShadow();
+        so.receiveShadow = prop.receiveShadow();
 
         boolean appearanceChanged = false;
         if (prop.texPath()      != null) { so.setTexturePath(prop.texPath());         appearanceChanged = true; }

blight-editor/src/main/java/de/blight/editor/state/TerrainEditorState.java

@@ -26,6 +26,7 @@ import com.jme3.texture.Texture2D;
 import com.jme3.util.BufferUtils;
 import com.jme3.util.SkyFactory;
 import de.blight.common.EmitterIO;
+import de.blight.common.GrassTuftIO;
 import de.blight.common.LightIO;
 import de.blight.common.MusicAreaIO;
 import de.blight.common.SoundAreaIO;
@@ -35,6 +36,8 @@ import de.blight.common.MapIO;
 import de.blight.common.PlacedModelIO;
 import de.blight.editor.SharedInput;
 import de.blight.editor.tool.HeightTool;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.io.IOException;
 import java.io.Reader;
@@ -52,6 +55,8 @@ import java.util.Properties;
 
 public class TerrainEditorState extends BaseAppState {
 
+    private static final Logger log = LoggerFactory.getLogger(TerrainEditorState.class);
+
     // ── Terrain-Konstanten ────────────────────────────────────────────────────
     private static final int   TERRAIN_SIZE = 4096;
     private static final int   TOTAL_SIZE   = TERRAIN_SIZE + 1;   // 4097
@@ -77,6 +82,7 @@ public class TerrainEditorState extends BaseAppState {
     private TerrainQuad       terrain;
     private float[]           cachedHeightMap;   // Einmal geladen, danach manuell synchron gehalten
     private Geometry          brushIndicator;
+    private Geometry          livePlayerMarker;
     private PlacedObjectState placedObjectState;
     private SceneObjectState  sceneObjState;
     private LightState        lightState;
@@ -84,6 +90,7 @@ public class TerrainEditorState extends BaseAppState {
     private WaterBodyState    waterBodyState;
     private SoundAreaState    soundAreaState;
     private MusicAreaState    musicAreaState;
+    private RiverEditorState  riverEditorState;
     private MapData           loadedMapData;
     private Node              axesGizmo;
 
@@ -127,9 +134,9 @@ public class TerrainEditorState extends BaseAppState {
         if (MapIO.exists()) {
             try {
                 loadedMapData = MapIO.load();
-                System.out.println("[TerrainEditor] Karte geladen: " + MapIO.getMapPath());
+                log.info("Karte geladen: {}", MapIO.getMapPath());
             } catch (IOException e) {
-                System.err.println("[TerrainEditor] Karte nicht ladbar: " + e.getMessage());
+                log.error("Karte nicht ladbar", e);
             }
         }
         loadCameraPrefs();
@@ -154,7 +161,7 @@ public class TerrainEditorState extends BaseAppState {
             camYaw   = (float) Math.toRadians(parsePref(p, "cam.yaw",    0f));
             camPitch = (float) Math.toRadians(parsePref(p, "cam.pitch", (float) Math.toDegrees(DEFAULT_PITCH)));
         } catch (IOException e) {
-            System.err.println("[TerrainEditor] Kamera-Prefs nicht ladbar: " + e.getMessage());
+            log.warn("Kamera-Prefs nicht ladbar", e);
         }
     }
 
@@ -184,10 +191,12 @@ public class TerrainEditorState extends BaseAppState {
     // ── Szene aufbauen ────────────────────────────────────────────────────────
 
     private void buildScene() {
+        input.loadingStatus = "Lade Terrain...";
         terrain = buildTerrain();
         cachedHeightMap = terrain.getHeightMap();   // einmalige 67MB-Allokation; danach nie wieder
         rootNode.attachChild(terrain);
 
+        input.loadingStatus = "Lade platzierte Objekte...";
         placedObjectState = new PlacedObjectState(input, loadedMapData);
         placedObjectState.setTerrain(terrain);
         app.getStateManager().attach(placedObjectState);
@@ -199,10 +208,11 @@ public class TerrainEditorState extends BaseAppState {
                 var placed = PlacedModelIO.load();
                 if (!placed.isEmpty()) sceneObjState.loadPlacedModels(placed);
             } catch (IOException e) {
-                System.err.println("[TerrainEditor] Objekte nicht ladbar: " + e.getMessage());
+                log.error("Objekte nicht ladbar", e);
             }
         }
 
+        input.loadingStatus = "Lade Lichter...";
         lightState = app.getStateManager().getState(LightState.class);
         if (lightState != null) {
             lightState.setTerrain(terrain);
@@ -210,10 +220,11 @@ public class TerrainEditorState extends BaseAppState {
                 var lights = LightIO.load();
                 if (!lights.isEmpty()) lightState.loadPlacedLights(lights);
             } catch (IOException e) {
-                System.err.println("[TerrainEditor] Lichter nicht ladbar: " + e.getMessage());
+                log.error("Lichter nicht ladbar", e);
             }
         }
 
+        input.loadingStatus = "Lade Emitter...";
         emitterState = app.getStateManager().getState(EmitterState.class);
         if (emitterState != null) {
             emitterState.setTerrain(terrain);
@@ -221,21 +232,24 @@ public class TerrainEditorState extends BaseAppState {
                 var emitters = EmitterIO.load();
                 if (!emitters.isEmpty()) emitterState.loadPlacedEmitters(emitters);
             } catch (IOException e) {
-                System.err.println("[TerrainEditor] Emitter nicht ladbar: " + e.getMessage());
+                log.error("Emitter nicht ladbar", e);
             }
         }
 
+        input.loadingStatus = "Lade Wasserflächen...";
         waterBodyState = app.getStateManager().getState(WaterBodyState.class);
         if (waterBodyState != null) {
             waterBodyState.setTerrain(terrain);
+            waterBodyState.setHeightMap(cachedHeightMap);
             try {
                 var waters = WaterBodyIO.load();
                 if (!waters.isEmpty()) waterBodyState.loadPlacedBodies(waters);
             } catch (IOException e) {
-                System.err.println("[TerrainEditor] Wasseroberflächen nicht ladbar: " + e.getMessage());
+                log.error("Wasseroberflächen nicht ladbar", e);
             }
         }
 
+        input.loadingStatus = "Lade Sound-Bereiche...";
         soundAreaState = app.getStateManager().getState(SoundAreaState.class);
         if (soundAreaState != null) {
             soundAreaState.setTerrain(terrain);
@@ -243,10 +257,11 @@ public class TerrainEditorState extends BaseAppState {
                 var soundAreas = SoundAreaIO.load();
                 if (!soundAreas.isEmpty()) soundAreaState.loadAreas(soundAreas);
             } catch (IOException e) {
-                System.err.println("[TerrainEditor] Sound-Bereiche nicht ladbar: " + e.getMessage());
+                log.error("Sound-Bereiche nicht ladbar", e);
             }
         }
 
+        input.loadingStatus = "Lade Musikbereiche...";
         musicAreaState = app.getStateManager().getState(MusicAreaState.class);
         if (musicAreaState != null) {
             musicAreaState.setTerrain(terrain);
@@ -254,10 +269,17 @@ public class TerrainEditorState extends BaseAppState {
                 var musicAreas = MusicAreaIO.load();
                 if (!musicAreas.isEmpty()) musicAreaState.loadAreas(musicAreas);
             } catch (IOException e) {
-                System.err.println("[TerrainEditor] Musik-Bereiche nicht ladbar: " + e.getMessage());
+                log.error("Musik-Bereiche nicht ladbar", e);
             }
         }
 
+        riverEditorState = app.getStateManager().getState(RiverEditorState.class);
+        if (riverEditorState != null) {
+            riverEditorState.setTerrain(terrain);
+            riverEditorState.setTerrainEditor(this);
+        }
+
+        input.loadingStatus = "Baue Szene...";
         PlayToolState playToolState = app.getStateManager().getState(PlayToolState.class);
         if (playToolState != null) playToolState.setTerrain(terrain);
 
@@ -267,6 +289,9 @@ public class TerrainEditorState extends BaseAppState {
         brushIndicator = buildBrushIndicator();
         rootNode.attachChild(brushIndicator);
 
+        livePlayerMarker = buildLivePlayerMarker();
+        rootNode.attachChild(livePlayerMarker);
+
         axesGizmo = buildAxesGizmo();
         rootNode.attachChild(axesGizmo);
     }
@@ -612,6 +637,7 @@ public class TerrainEditorState extends BaseAppState {
         processTextureEdits();
         updateBrushIndicator();
         updateAxesGizmo();
+        updateLivePlayerMarker();
 
         // Terrain-Material neu aufbauen wenn Texturen (Slots 1-8) oder Normal-Maps geändert
         if (input.terrainTexturesChanged || input.terrainNormalMapsChanged
@@ -673,6 +699,120 @@ public class TerrainEditorState extends BaseAppState {
         return h != null ? h : 0f;
     }
 
+    // ── Flussbett graben ──────────────────────────────────────────────────────
+
+    /**
+     * Gräbt ein Flussbett zwischen zwei Wasseroberflächenpunkten A und B.
+     * Alle Terrain-Vertices innerhalb von halfWidth werden auf die linear
+     * interpolierte Höhe (A→B) minus Kanaltiefen-Offset abgesenkt.
+     * Am Kanalrand weicher Übergang zurück zur Original-Höhe.
+     */
+    public void carveRiverbedSegment(float ax, float ay, float az,
+                                      float bx, float by, float bz,
+                                      float halfWidth) {
+        if (terrain == null || cachedHeightMap == null) return;
+
+        float segDx   = bx - ax, segDz = bz - az;
+        float segLen2 = segDx * segDx + segDz * segDz;
+        if (segLen2 < 0.001f) return;
+
+        // Tiefe proportional zur Breite: 0,5m bei 4m Breite, 1,0m bei 10m Breite
+        float width    = halfWidth * 2f;
+        float maxDepth = Math.max(0.5f, Math.min(1.0f, 0.5f + (width - 4f) / 12f));
+
+        // ── Terrain-Vertices graben ──────────────────────────────────────────
+        int vxMin = Math.max(0, (int)((Math.min(ax, bx) - halfWidth - 1) + TERRAIN_SIZE * 0.5f));
+        int vxMax = Math.min(TOTAL_SIZE - 1, (int)((Math.max(ax, bx) + halfWidth + 2) + TERRAIN_SIZE * 0.5f));
+        int vzMin = Math.max(0, (int)((Math.min(az, bz) - halfWidth - 1) + TERRAIN_SIZE * 0.5f));
+        int vzMax = Math.min(TOTAL_SIZE - 1, (int)((Math.max(az, bz) + halfWidth + 2) + TERRAIN_SIZE * 0.5f));
+
+        List<Vector2f> locs   = new ArrayList<>();
+        List<Float>    deltas = new ArrayList<>();
+
+        for (int vz = vzMin; vz <= vzMax; vz++) {
+            for (int vx = vxMin; vx <= vxMax; vx++) {
+                float worldX = vx - TERRAIN_SIZE * 0.5f;
+                float worldZ = vz - TERRAIN_SIZE * 0.5f;
+
+                float t = ((worldX - ax) * segDx + (worldZ - az) * segDz) / segLen2;
+                t = FastMath.clamp(t, 0f, 1f);
+
+                float projX = ax + t * segDx, projZ = az + t * segDz;
+                float dist  = FastMath.sqrt((worldX - projX) * (worldX - projX)
+                                          + (worldZ - projZ) * (worldZ - projZ));
+                if (dist > halfWidth) continue;
+
+                float waterY = ay + t * (by - ay);
+                // U-Form: 60% des Kanals als flacher Boden, danach linearer Anstieg
+                float norm   = dist / halfWidth;
+                float uShape = 1.0f - FastMath.clamp((norm - 0.6f) / 0.4f, 0f, 1f);
+                float depth  = maxDepth * uShape;
+                float target = waterY - depth;
+
+                int   idx  = vz * TOTAL_SIZE + vx;
+                float curH = cachedHeightMap[idx];
+                if (curH > target) {
+                    deltas.add(target - curH);
+                    locs.add(new Vector2f(worldX, worldZ));
+                    cachedHeightMap[idx] = target;
+                }
+            }
+        }
+
+        if (!locs.isEmpty()) {
+            terrain.adjustHeight(locs, deltas);
+            terrain.updateModelBound();
+        }
+
+        // ── Textur 4 (splatA) malen: Flussbett + 25% Breite pro Seite ────────
+        if (splatR == null) return;
+        float paintHW = halfWidth * 1.5f;   // +25% Breite auf jeder Seite
+
+        float minX = Math.min(ax, bx) - paintHW;
+        float maxX = Math.max(ax, bx) + paintHW;
+        float minZ = Math.min(az, bz) - paintHW;
+        float maxZ = Math.max(az, bz) + paintHW;
+
+        int pxMin = Math.max(0, (int)((minX + WORLD_HALF) / SPLAT_WE_PER_PX) - 1);
+        int pxMax = Math.min(SPLAT_SIZE - 1, (int)((maxX + WORLD_HALF) / SPLAT_WE_PER_PX) + 1);
+        // Z-Achse ist in der Splatmap gespiegelt
+        int pzMin = Math.max(0, (SPLAT_SIZE - 1) - (int)((maxZ + WORLD_HALF) / SPLAT_WE_PER_PX) - 1);
+        int pzMax = Math.min(SPLAT_SIZE - 1, (SPLAT_SIZE - 1) - (int)((minZ + WORLD_HALF) / SPLAT_WE_PER_PX) + 1);
+
+        boolean splatChanged = false;
+        for (int pz = pzMin; pz <= pzMax; pz++) {
+            float worldZ = (SPLAT_SIZE - 1 - pz) * SPLAT_WE_PER_PX - WORLD_HALF;
+            for (int px = pxMin; px <= pxMax; px++) {
+                float worldX = px * SPLAT_WE_PER_PX - WORLD_HALF;
+
+                float t = ((worldX - ax) * segDx + (worldZ - az) * segDz) / segLen2;
+                t = FastMath.clamp(t, 0f, 1f);
+
+                float projX = ax + t * segDx, projZ = az + t * segDz;
+                float dist  = FastMath.sqrt((worldX - projX) * (worldX - projX)
+                                          + (worldZ - projZ) * (worldZ - projZ));
+                if (dist > paintHW) continue;
+
+                int sidx = pz * SPLAT_SIZE + px;
+                splatR[sidx] = (byte) 255;
+                splatG[sidx] = (byte) 0;
+                splatB[sidx] = (byte) 0;
+                splatA[sidx] = (byte) 255;
+
+                int bi = sidx * 4;
+                splatBuf.put(bi,     (byte) 255);
+                splatBuf.put(bi + 1, (byte) 0);
+                splatBuf.put(bi + 2, (byte) 0);
+                splatBuf.put(bi + 3, (byte) 255);
+                splatChanged = true;
+            }
+        }
+        if (splatChanged) {
+            splatBuf.rewind();
+            splatImage.setUpdateNeeded();
+        }
+    }
+
     // ── Speichern ─────────────────────────────────────────────────────────────
 
     private void performSave() {
@@ -702,8 +842,13 @@ public class TerrainEditorState extends BaseAppState {
             }
 
             if (placedObjectState != null) {
-                System.arraycopy(placedObjectState.getDensityMap(), 0,
-                                 data.grassDensity, 0, data.grassDensity.length);
+                try {
+                    GrassTuftIO.save(new GrassTuftIO.GrassData(
+                            placedObjectState.getSlotPaths(),
+                            placedObjectState.getAllTufts()));
+                } catch (IOException e) {
+                    log.error("Gras nicht speicherbar", e);
+                }
             }
 
             MapIO.save(data);
@@ -719,6 +864,9 @@ public class TerrainEditorState extends BaseAppState {
             if (waterBodyState != null) {
                 WaterBodyIO.save(waterBodyState.getPlacedBodies());
             }
+            if (riverEditorState != null) {
+                de.blight.common.RiverIO.save(riverEditorState.getPlacedRivers());
+            }
             if (soundAreaState != null) {
                 SoundAreaIO.save(soundAreaState.getPlacedAreas());
             }
@@ -726,10 +874,10 @@ public class TerrainEditorState extends BaseAppState {
                 MusicAreaIO.save(musicAreaState.getPlacedAreas());
             }
             input.saveStatusMsg = "Gespeichert: " + MapIO.getMapPath();
-            System.out.println("[TerrainEditor] " + input.saveStatusMsg);
+            log.info("{}", input.saveStatusMsg);
         } catch (IOException e) {
             input.saveStatusMsg = "Fehler beim Speichern: " + e.getMessage();
-            System.err.println("[TerrainEditor] " + input.saveStatusMsg);
+            log.error("Speichern fehlgeschlagen", e);
         }
     }
 
@@ -820,6 +968,7 @@ public class TerrainEditorState extends BaseAppState {
 
             Vector3f contact = hits.getClosestCollision().getContactPoint();
             int mode = input.heightTool.mode.getSelectedIndex();
+            boolean terrainChanged = true;
             if (mode == HeightTool.MODE_SMOOTH) {
                 smoothHeight(contact);
             } else if (mode == HeightTool.MODE_PLATEAU) {
@@ -830,6 +979,7 @@ public class TerrainEditorState extends BaseAppState {
                         input.heightTool.plateauHeight.setValue(h);
                         input.heightTool.plateauHeightChanged = true;
                     }
+                    terrainChanged = false;
                 } else {
                     // Linksklick: Terrain schrittweise auf Plateau-Höhe angleichen
                     flattenToPlateauHeight(contact);
@@ -838,6 +988,10 @@ public class TerrainEditorState extends BaseAppState {
                 float delta = (float) input.heightTool.brushStrength.getValue() * edit.action();
                 modifyHeight(contact, delta, mode);
             }
+            if (terrainChanged && waterBodyState != null) {
+                float r = (float) input.heightTool.brushRadius.getValue();
+                waterBodyState.invalidateNear(contact.x, contact.z, r);
+            }
         }
         if (processed > 0) terrain.updateModelBound();
     }
@@ -1224,4 +1378,28 @@ public class TerrainEditorState extends BaseAppState {
         geo.setCullHint(Spatial.CullHint.Always);
         return geo;
     }
+
+    // ── Live-Spieler-Marker ───────────────────────────────────────────────────
+
+    private Geometry buildLivePlayerMarker() {
+        com.jme3.scene.shape.Cylinder cyl =
+                new com.jme3.scene.shape.Cylinder(8, 8, 0.3f, 1.8f, true);
+        Geometry geo = new Geometry("livePlayerMarker", cyl);
+        Material mat = new Material(assets, "Common/MatDefs/Misc/Unshaded.j3md");
+        mat.setColor("Color", new ColorRGBA(1f, 0.45f, 0f, 1f));
+        geo.setMaterial(mat);
+        // Cylinder-Achse liegt entlang Y → keine Rotation nötig
+        geo.setCullHint(Spatial.CullHint.Always);
+        return geo;
+    }
+
+    private void updateLivePlayerMarker() {
+        float x = input.livePlayerX;
+        if (Float.isNaN(x)) {
+            livePlayerMarker.setCullHint(Spatial.CullHint.Always);
+        } else {
+            livePlayerMarker.setCullHint(Spatial.CullHint.Inherit);
+            livePlayerMarker.setLocalTranslation(x, input.livePlayerY + 0.9f, input.livePlayerZ);
+        }
+    }
 }

blight-editor/src/main/java/de/blight/editor/state/TreeGeneratorState.java

@@ -292,14 +292,11 @@ public class TreeGeneratorState extends BaseAppState {
         app.getRenderer().readFrameBuffer(captureFB, pixels);
         cleanupCapture();
 
-        String baseName = pendingRequest.exportName();
-        String exportName = pendingRequest.exportAfter()
-                ? baseName + "_" + DateTimeFormatter.ofPattern("yyyyMMdd_HHmmss").format(LocalDateTime.now())
-                : baseName;
+        String treeType  = pendingRequest.treeType();
+        String timestamp = DateTimeFormatter.ofPattern("yyyyMMdd_HHmmss").format(LocalDateTime.now());
 
-        Texture2D impostorTex = saveImpostor(pixels, "impostor_" + exportName);
+        Texture2D impostorTex = saveImpostor(pixels, "impostor_" + treeType + "_" + timestamp);
 
-        // HD-Mesh im Dialog-Preview anzeigen (keine LOD-Umschaltung, kein Welt-Platzierung)
         Node previewTree = makeTreeNode(pendingHdResult,
                 pendingBarkMat.clone(), pendingLeafMat.clone(), "prev");
         previewTreeHolder.detachAllChildren();
@@ -311,10 +308,11 @@ public class TreeGeneratorState extends BaseAppState {
                 Math.max(bb.getYExtent(), bb.getZExtent())) * 3f;
 
         if (pendingRequest.exportAfter()) {
+            float treeHeight = bb.getCenter().y + bb.getYExtent();
             Node treeNode = assembleLodNode(impostorTex);
-            exportTree(treeNode, exportName);
+            exportTree(treeNode, treeType, timestamp, treeHeight);
         } else {
-            input.treeGenStatusMsg = "Vorschau: '" + baseName + "'";
+            input.treeGenStatusMsg = "Vorschau: " + treeType;
         }
 
         pendingRequest  = null;
@@ -328,7 +326,7 @@ public class TreeGeneratorState extends BaseAppState {
     // ── LOD-Aufbau ────────────────────────────────────────────────────────────
 
     private Node assembleLodNode(Texture2D impostorTex) {
-        Node root = new Node("GeneratedTree_" + pendingRequest.exportName());
+        Node root = new Node(pendingRequest.treeType());
         root.attachChild(pendingHdNode);
         root.attachChild(pendingLdNode);
 
@@ -557,18 +555,19 @@ public class TreeGeneratorState extends BaseAppState {
 
     // ── .j3o-Export ───────────────────────────────────────────────────────────
 
-    private void exportTree(Node treeNode, String name) {
+    private void exportTree(Node treeNode, String treeType, String timestamp, float height) {
         try {
-            Path modelDir = ASSET_ROOT.resolve("Models");
-            Files.createDirectories(modelDir);
-            File out = modelDir.resolve("GeneratedTree_" + name + ".j3o").toFile();
-            // Strip runtime controls before export — they lack no-arg constructors
-            // and cannot be deserialized by BinaryImporter.
+            String sizeClass = height < 6f ? "small" : height < 14f ? "medium" : "large";
+            String fileName  = treeType + "_" + sizeClass + "_" + timestamp;
+            Path dir = ASSET_ROOT.resolve("Models").resolve("trees")
+                    .resolve(treeType).resolve(sizeClass);
+            Files.createDirectories(dir);
+            File out = dir.resolve(fileName + ".j3o").toFile();
             while (treeNode.getNumControls() > 0)
                 treeNode.removeControl(treeNode.getControl(0));
             BinaryExporter.getInstance().save(treeNode, out);
             log.info("[Blight-Baum] Gespeichert: {}", out.getAbsolutePath());
-            input.treeGenStatusMsg = "Exportiert: " + out.getName();
+            input.treeGenStatusMsg = "Gespeichert: Models/trees/" + treeType + "/" + sizeClass + "/" + fileName + ".j3o";
             input.refreshAssets = true;
         } catch (IOException e) {
             log.error("[Blight-Baum] Export-Fehler: {}", e.getMessage());

blight-editor/src/main/java/de/blight/editor/state/WaterBodyState.java

@@ -10,8 +10,10 @@ import com.jme3.material.RenderState;
 import com.jme3.math.*;
 import com.jme3.renderer.Camera;
 import com.jme3.renderer.queue.RenderQueue;
-import com.jme3.scene.*;
-import com.jme3.scene.shape.Quad;
+import com.jme3.scene.Geometry;
+import com.jme3.scene.Mesh;
+import com.jme3.scene.Node;
+import com.jme3.scene.VertexBuffer;
 import com.jme3.terrain.geomipmap.TerrainQuad;
 import com.jme3.util.BufferUtils;
 import de.blight.common.PlacedWater;
@@ -19,17 +21,25 @@ import de.blight.editor.SharedInput;
 
 import java.nio.FloatBuffer;
 import java.nio.IntBuffer;
-import java.util.ArrayList;
-import java.util.List;
+import java.util.*;
 
+/**
+ * Platziert und visualisiert Wasserflächen per Flood-Fill aus dem Gelände.
+ *
+ * Raster: 2 WE pro Pixel (WATER_GRID = 2049, STEP = 2).
+ * BFS vom Klickpunkt; Rand erreicht → nicht eingeschlossen.
+ */
 public class WaterBodyState extends BaseAppState {
 
-    private static final ColorRGBA WATER_COLOR     = new ColorRGBA(0.05f, 0.25f, 0.70f, 0.52f);
-    private static final ColorRGBA BORDER_COLOR    = new ColorRGBA(0.30f, 0.60f, 1.00f, 0.85f);
-    private static final ColorRGBA BORDER_SEL      = new ColorRGBA(1.00f, 1.00f, 0.00f, 1.00f);
+    // Flood-Fill-Raster mit 1 WE Auflösung (= volle HeightMap-Auflösung)
+    private static final int   TOTAL_VERTS = 4097;
+    private static final int   WATER_GRID  = 4097;   // (4096 / STEP) + 1
+    private static final int   STEP        = 1;      // WE pro Gitterpixel
+    private static final int   WORLD_HALF  = 2048;
+    private static final int   MAX_CELLS   = 200_000;
 
-    private static final String GEO_SURFACE = "water_surface";
-    private static final String GEO_BORDER  = "water_border";
+    private static final ColorRGBA COLOR_WATER    = new ColorRGBA(0.05f, 0.25f, 0.70f, 0.50f);
+    private static final ColorRGBA COLOR_SELECTED = new ColorRGBA(0.20f, 0.60f, 1.00f, 0.70f);
 
     private final SharedInput input;
     private SimpleApplication app;
@@ -37,17 +47,20 @@ public class WaterBodyState extends BaseAppState {
     private AssetManager      assets;
     private Node              rootNode;
     private TerrainQuad       terrain;
+    private float[]           heightMap;
 
-    // parallel lists
-    private final List<PlacedWater> bodies  = new ArrayList<>();
-    private final List<Node>        markers = new ArrayList<>();
+    private final List<PlacedWater>  bodies     = new ArrayList<>();
+    private final List<Set<Integer>> cellSets   = new ArrayList<>();
+    private final List<Geometry>     geos       = new ArrayList<>();
+    private final List<float[]>      bodyBounds = new ArrayList<>(); // {minX,minZ,maxX,maxZ}
 
-    private int selectedIdx = -1;
-    private List<PlacedWater> pendingBodies = null;
+    private int               selectedIdx = -1;
+    private List<PlacedWater> pendingLoad = null;
 
-    public WaterBodyState(SharedInput input) {
-        this.input = input;
-    }
+    public WaterBodyState(SharedInput input) { this.input = input; }
+
+    public void setTerrain(TerrainQuad terrain) { this.terrain = terrain; }
+    public void setHeightMap(float[] heightMap)  { this.heightMap = heightMap; }
 
     // ── Lifecycle ─────────────────────────────────────────────────────────────
 
@@ -63,16 +76,11 @@ public class WaterBodyState extends BaseAppState {
 
     @Override
     protected void onEnable() {
-        if (pendingBodies != null) {
-            loadPlacedBodies(pendingBodies);
-            pendingBodies = null;
-        }
+        if (pendingLoad != null) { loadPlacedBodies(pendingLoad); pendingLoad = null; }
     }
 
     @Override protected void onDisable() {}
 
-    public void setTerrain(TerrainQuad terrain) { this.terrain = terrain; }
-
     // ── Update ────────────────────────────────────────────────────────────────
 
     @Override
@@ -80,14 +88,10 @@ public class WaterBodyState extends BaseAppState {
         if (input.activeLayer != SharedInput.LAYER_WATER) return;
 
         SharedInput.WaterClick click;
-        while ((click = input.waterClickQueue.poll()) != null) {
-            handleClick(click);
-        }
+        while ((click = input.waterClickQueue.poll()) != null) handleClick(click);
 
         PlacedWater pending = input.pendingWater.getAndSet(null);
-        if (pending != null && selectedIdx >= 0) {
-            applyProperty(selectedIdx, pending);
-        }
+        if (pending != null && selectedIdx >= 0) applyHeightChange(selectedIdx, pending.waterHeight());
 
         if (input.deleteWaterRequested) {
             input.deleteWaterRequested = false;
@@ -95,57 +99,56 @@ public class WaterBodyState extends BaseAppState {
         }
     }
 
-    // ── Click handling ────────────────────────────────────────────────────────
+    // ── Click-Handling ────────────────────────────────────────────────────────
 
     private void handleClick(SharedInput.WaterClick click) {
         float jmeX = click.screenX() * (float) input.viewportScaleX;
         float jmeY = cam.getHeight() - click.screenY() * (float) input.viewportScaleY;
-
         Vector3f near = cam.getWorldCoordinates(new Vector2f(jmeX, jmeY), 0f);
         Vector3f far  = cam.getWorldCoordinates(new Vector2f(jmeX, jmeY), 1f);
         Ray ray = new Ray(near, far.subtract(near).normalizeLocal());
 
-        int hit = pickMarker(ray);
-        if (hit >= 0) {
-            if (click.rightButton()) deselect();
-            else                     selectBody(hit);
-            return;
-        }
-
         if (click.rightButton()) { deselect(); return; }
 
+        int hit = pickBody(ray);
+        if (hit >= 0) { selectBody(hit); return; }
+
         if (terrain == null) return;
         CollisionResults hits = new CollisionResults();
         terrain.collideWith(ray, hits);
         if (hits.size() == 0) return;
         Vector3f pt = hits.getClosestCollision().getContactPoint();
 
-        addBody(new PlacedWater(pt.x, pt.y + 0.05f, pt.z, 30f, 30f));
+        Set<Integer> cells = floodFill(pt.x, pt.z, pt.y);
+        if (cells == null) {
+            input.waterHint = "Kein eingeschlossenes Becken an dieser Stelle.";
+            return;
+        }
+        addBody(new PlacedWater(pt.x, pt.z, pt.y), cells);
         selectBody(bodies.size() - 1);
     }
 
-    private int pickMarker(Ray ray) {
-        for (int i = 0; i < markers.size(); i++) {
+    private int pickBody(Ray ray) {
+        for (int i = 0; i < geos.size(); i++) {
             CollisionResults res = new CollisionResults();
-            markers.get(i).collideWith(ray, res);
+            geos.get(i).collideWith(ray, res);
             if (res.size() > 0) return i;
         }
         return -1;
     }
 
-    // ── Selection ─────────────────────────────────────────────────────────────
+    // ── Selektion ─────────────────────────────────────────────────────────────
 
     private void selectBody(int idx) {
         deselect();
         selectedIdx = idx;
-        setBorderColor(idx, BORDER_SEL);
+        geos.get(idx).getMaterial().setColor("Color", COLOR_SELECTED);
         publishSelection(idx);
     }
 
     private void deselect() {
-        if (selectedIdx >= 0 && selectedIdx < bodies.size()) {
-            setBorderColor(selectedIdx, BORDER_COLOR);
-        }
+        if (selectedIdx >= 0 && selectedIdx < geos.size())
+            geos.get(selectedIdx).getMaterial().setColor("Color", COLOR_WATER);
         selectedIdx = -1;
         input.selectedWaterInfo    = null;
         input.waterSelectionChanged = true;
@@ -154,120 +157,196 @@ public class WaterBodyState extends BaseAppState {
     private void publishSelection(int idx) {
         PlacedWater b = bodies.get(idx);
         input.selectedWaterInfo = String.format(java.util.Locale.ROOT,
-                "%d|%.3f|%.3f|%.3f|%.3f|%.3f",
-                idx, b.x(), b.y(), b.z(), b.width(), b.depth());
+                "%d|%.3f|%.3f|%.3f|%d",
+                idx, b.seedX(), b.seedZ(), b.waterHeight(), cellSets.get(idx).size());
         input.waterSelectionChanged = true;
     }
 
-    // ── Add / Remove ──────────────────────────────────────────────────────────
+    // ── Hinzufügen / Entfernen ────────────────────────────────────────────────
 
-    private void addBody(PlacedWater b) {
-        Node marker = buildMarker(b);
-        rootNode.attachChild(marker);
-        markers.add(marker);
-        bodies.add(b);
+    private void addBody(PlacedWater body, Set<Integer> cells) {
+        Geometry geo = buildWaterGeo(cells, body.waterHeight());
+        rootNode.attachChild(geo);
+        bodies.add(body);
+        cellSets.add(cells);
+        geos.add(geo);
+        bodyBounds.add(computeBounds(cells));
     }
 
     private void removeBody(int idx) {
-        rootNode.detachChild(markers.get(idx));
+        rootNode.detachChild(geos.get(idx));
         bodies.remove(idx);
-        markers.remove(idx);
+        cellSets.remove(idx);
+        geos.remove(idx);
+        bodyBounds.remove(idx);
         selectedIdx = -1;
         input.selectedWaterInfo    = null;
         input.waterSelectionChanged = true;
     }
 
     private void clearAll() {
-        for (Node m : markers) rootNode.detachChild(m);
+        for (Geometry g : geos) if (rootNode != null) rootNode.detachChild(g);
         bodies.clear();
-        markers.clear();
+        cellSets.clear();
+        geos.clear();
+        bodyBounds.clear();
         selectedIdx = -1;
     }
 
-    // ── Property application ──────────────────────────────────────────────────
-
-    private void applyProperty(int idx, PlacedWater updated) {
-        rootNode.detachChild(markers.get(idx));
-        Node newMarker = buildMarker(updated);
-        setBorderColorOnNode(newMarker, BORDER_SEL);
-        rootNode.attachChild(newMarker);
-        markers.set(idx, newMarker);
-        bodies.set(idx, updated);
-        publishSelection(idx);
-    }
-
-    // ── Marker visuals ────────────────────────────────────────────────────────
-
-    private Node buildMarker(PlacedWater b) {
-        // Water surface (semi-transparent quad)
-        Quad quad = new Quad(b.width(), b.depth());
-        Geometry surface = new Geometry(GEO_SURFACE, quad);
-        Material waterMat = new Material(assets, "Common/MatDefs/Misc/Unshaded.j3md");
-        waterMat.setColor("Color", WATER_COLOR);
-        waterMat.getAdditionalRenderState().setBlendMode(RenderState.BlendMode.Alpha);
-        waterMat.getAdditionalRenderState().setDepthWrite(false);
-        surface.setMaterial(waterMat);
-        surface.setQueueBucket(RenderQueue.Bucket.Transparent);
-        surface.rotate(-FastMath.HALF_PI, 0, 0);
-        surface.setLocalTranslation(-b.width() * 0.5f, 0f, b.depth() * 0.5f);
-
-        // Border outline (Line mesh forming a rectangle)
-        Geometry border = new Geometry(GEO_BORDER, buildBorderMesh(b.width(), b.depth()));
-        Material borderMat = new Material(assets, "Common/MatDefs/Misc/Unshaded.j3md");
-        borderMat.setColor("Color", BORDER_COLOR);
-        borderMat.getAdditionalRenderState().setDepthTest(false);
-        border.setMaterial(borderMat);
-
-        Node node = new Node("water_node");
-        node.attachChild(surface);
-        node.attachChild(border);
-        node.setLocalTranslation(b.x(), b.y(), b.z());
-        return node;
-    }
-
-    private static Mesh buildBorderMesh(float w, float d) {
-        // 4 corner points at +0.02 above water surface (local coords, XZ plane)
-        float hw = w * 0.5f, hd = d * 0.5f, y = 0.02f;
-        FloatBuffer pos = BufferUtils.createFloatBuffer(4 * 3);
-        pos.put(-hw).put(y).put(-hd);
-        pos.put( hw).put(y).put(-hd);
-        pos.put( hw).put(y).put( hd);
-        pos.put(-hw).put(y).put( hd);
-        IntBuffer idx = BufferUtils.createIntBuffer(8); // 4 edges
-        idx.put(0).put(1).put(1).put(2).put(2).put(3).put(3).put(0);
-        Mesh mesh = new Mesh();
-        mesh.setMode(Mesh.Mode.Lines);
-        mesh.setBuffer(VertexBuffer.Type.Position, 3, pos);
-        mesh.setBuffer(VertexBuffer.Type.Index, 2, idx);
-        mesh.updateBound();
-        return mesh;
-    }
-
-    private void setBorderColor(int idx, ColorRGBA color) {
-        setBorderColorOnNode(markers.get(idx), color);
-    }
-
-    private static void setBorderColorOnNode(Node node, ColorRGBA color) {
-        for (Spatial child : node.getChildren()) {
-            if (child instanceof Geometry geo && GEO_BORDER.equals(geo.getName())) {
-                geo.getMaterial().setColor("Color", color);
-                return;
+    /**
+     * Löscht alle Wasserflächen, deren AABB den übergebenen Pinselkreis berührt.
+     * Wird von TerrainEditorState nach jeder Geländeänderung aufgerufen.
+     */
+    public void invalidateNear(float worldX, float worldZ, float brushRadius) {
+        for (int i = bodies.size() - 1; i >= 0; i--) {
+            float[] b = bodyBounds.get(i);
+            // Nächster Punkt auf AABB zum Kreismittelpunkt
+            float nearX = Math.max(b[0], Math.min(worldX, b[2]));
+            float nearZ = Math.max(b[1], Math.min(worldZ, b[3]));
+            float dx = worldX - nearX, dz = worldZ - nearZ;
+            if (dx * dx + dz * dz <= brushRadius * brushRadius) {
+                removeBody(i);
             }
         }
     }
 
-    // ── Save / Load ───────────────────────────────────────────────────────────
-
-    public List<PlacedWater> getPlacedBodies() {
-        return new ArrayList<>(bodies);
+    private static float[] computeBounds(Set<Integer> cells) {
+        float minX = Float.MAX_VALUE, minZ = Float.MAX_VALUE;
+        float maxX = -Float.MAX_VALUE, maxZ = -Float.MAX_VALUE;
+        for (int cell : cells) {
+            float wx = (float)((cell % WATER_GRID) * STEP) - WORLD_HALF;
+            float wz = (float)((cell / WATER_GRID) * STEP) - WORLD_HALF;
+            if (wx     < minX) minX = wx;
+            if (wz     < minZ) minZ = wz;
+            if (wx + STEP > maxX) maxX = wx + STEP;
+            if (wz + STEP > maxZ) maxZ = wz + STEP;
+        }
+        return new float[]{minX, minZ, maxX, maxZ};
     }
 
-    public void loadPlacedBodies(List<PlacedWater> loaded) {
-        if (rootNode == null) {
-            pendingBodies = new ArrayList<>(loaded);
+    // ── Höhe ändern ───────────────────────────────────────────────────────────
+
+    private void applyHeightChange(int idx, float newHeight) {
+        PlacedWater b = bodies.get(idx);
+        Set<Integer> newCells = floodFill(b.seedX(), b.seedZ(), newHeight);
+        if (newCells == null) {
+            input.waterHint = "Ungültige Höhe – Becken bei dieser Höhe nicht eingeschlossen.";
             return;
         }
+        rootNode.detachChild(geos.get(idx));
+        Geometry newGeo = buildWaterGeo(newCells, newHeight);
+        newGeo.getMaterial().setColor("Color", COLOR_SELECTED);
+        rootNode.attachChild(newGeo);
+        bodies.set(idx,   new PlacedWater(b.seedX(), b.seedZ(), newHeight));
+        cellSets.set(idx, newCells);
+        geos.set(idx,     newGeo);
+        publishSelection(idx);
+    }
+
+    // ── Flood-Fill ────────────────────────────────────────────────────────────
+
+    private Set<Integer> floodFill(float seedWorldX, float seedWorldZ, float waterHeight) {
+        int seedPX = Math.round((seedWorldX + WORLD_HALF) / (float) STEP);
+        int seedPZ = Math.round((seedWorldZ + WORLD_HALF) / (float) STEP);
+        seedPX = Math.max(0, Math.min(WATER_GRID - 1, seedPX));
+        seedPZ = Math.max(0, Math.min(WATER_GRID - 1, seedPZ));
+
+        if (sampleHeight(seedPX, seedPZ) > waterHeight + 0.05f) return null;
+
+        Set<Integer>  visited = new HashSet<>();
+        Deque<int[]>  queue   = new ArrayDeque<>();
+        visited.add(seedPZ * WATER_GRID + seedPX);
+        queue.add(new int[]{seedPX, seedPZ});
+
+        final int[][] dirs = {{1,0},{-1,0},{0,1},{0,-1}};
+        while (!queue.isEmpty()) {
+            int[] c  = queue.poll();
+            int   px = c[0], pz = c[1];
+
+            if (px == 0 || px == WATER_GRID - 1 || pz == 0 || pz == WATER_GRID - 1)
+                return null;
+
+            for (int[] d : dirs) {
+                int nx   = px + d[0], nz = pz + d[1];
+                int nIdx = nz * WATER_GRID + nx;
+                if (visited.contains(nIdx)) continue;
+                if (sampleHeight(nx, nz) <= waterHeight) {
+                    visited.add(nIdx);
+                    if (visited.size() > MAX_CELLS) return null;
+                    queue.add(new int[]{nx, nz});
+                }
+            }
+        }
+        return visited.isEmpty() ? null : visited;
+    }
+
+    private float sampleHeight(int px, int pz) {
+        if (heightMap != null) {
+            int vx = Math.min(px * STEP, TOTAL_VERTS - 1);
+            int vz = Math.min(pz * STEP, TOTAL_VERTS - 1);
+            return heightMap[vz * TOTAL_VERTS + vx];
+        }
+        if (terrain != null) {
+            float worldX = px * STEP - WORLD_HALF;
+            float worldZ = pz * STEP - WORLD_HALF;
+            Float h = terrain.getHeight(new Vector2f(worldX, worldZ));
+            return (h != null && !Float.isNaN(h)) ? h : Float.MAX_VALUE;
+        }
+        return Float.MAX_VALUE;
+    }
+
+    // ── Mesh-Aufbau (für Editor-Vorschau) ────────────────────────────────────
+
+    private Geometry buildWaterGeo(Set<Integer> cells, float waterHeight) {
+        int n = cells.size();
+        FloatBuffer pos = BufferUtils.createFloatBuffer(n * 4 * 3);
+        IntBuffer   idx = BufferUtils.createIntBuffer(n * 6);
+        int vi = 0;
+        float h = waterHeight + 0.05f;
+        for (int cell : cells) {
+            int   pz = cell / WATER_GRID;
+            int   px = cell % WATER_GRID;
+            float wx = px * STEP - WORLD_HALF;
+            float wz = pz * STEP - WORLD_HALF;
+            pos.put(wx       ).put(h).put(wz       );
+            pos.put(wx + STEP).put(h).put(wz       );
+            pos.put(wx + STEP).put(h).put(wz + STEP);
+            pos.put(wx       ).put(h).put(wz + STEP);
+            idx.put(vi).put(vi+1).put(vi+2);
+            idx.put(vi).put(vi+2).put(vi+3);
+            vi += 4;
+        }
+        Mesh mesh = new Mesh();
+        mesh.setBuffer(VertexBuffer.Type.Position, 3, pos);
+        mesh.setBuffer(VertexBuffer.Type.Index,    3, idx);
+        mesh.updateBound();
+
+        Geometry geo = new Geometry("water_body", mesh);
+        Material mat = new Material(assets, "Common/MatDefs/Misc/Unshaded.j3md");
+        mat.setColor("Color", COLOR_WATER);
+        mat.getAdditionalRenderState().setBlendMode(RenderState.BlendMode.Alpha);
+        mat.getAdditionalRenderState().setDepthWrite(false);
+        mat.getAdditionalRenderState().setFaceCullMode(RenderState.FaceCullMode.Off);
+        geo.setMaterial(mat);
+        geo.setQueueBucket(RenderQueue.Bucket.Transparent);
+        return geo;
+    }
+
+    // ── Speichern / Laden ─────────────────────────────────────────────────────
+
+    public List<PlacedWater> getPlacedBodies() { return new ArrayList<>(bodies); }
+
+    public void loadPlacedBodies(List<PlacedWater> loaded) {
+        if (rootNode == null) { pendingLoad = new ArrayList<>(loaded); return; }
         clearAll();
-        for (PlacedWater b : loaded) addBody(b);
+        for (PlacedWater b : loaded) {
+            Set<Integer> cells = floodFill(b.seedX(), b.seedZ(), b.waterHeight());
+            if (cells != null) {
+                addBody(b, cells);
+            } else {
+                System.err.println("[WaterBodyState] Becken nicht rekonstruierbar: "
+                        + b.seedX() + "/" + b.seedZ());
+            }
+        }
     }
 }

blight-editor/src/main/java/de/blight/editor/tool/GrassTool.java

@@ -9,7 +9,7 @@ public class GrassTool extends EditorTool {
 
     public final ToolParameter brushRadius = new ToolParameter("Pinselradius",  40.0,  1.0, 500.0);
     public final ToolParameter grassHeight = new ToolParameter("Grashöhe",       1.5,  0.1,  10.0);
-    public final ToolParameter density     = new ToolParameter("Dichte",         8.0,  1.0,  50.0);
+    public final ToolParameter density     = new ToolParameter("Dichte",         8.0,  1.0, 200.0);
 
     @Override public String getName() { return "Gras"; }
 

blight-game/build.gradle

@@ -29,6 +29,7 @@ dependencies {
     implementation 'com.google.code.gson:gson:2.11.0'
     implementation 'org.slf4j:slf4j-api:2.0.17'
     implementation 'org.slf4j:jul-to-slf4j:2.0.17'
+    runtimeOnly    'ch.qos.logback:logback-classic:1.5.18'
     compileOnly     'org.projectlombok:lombok:1.18.38'
     annotationProcessor 'org.projectlombok:lombok:1.18.38'
 }

blight-game/src/main/java/de/blight/game/BlightGame.java

@@ -1,96 +1,164 @@
-package de.blight.game;
-
-import com.jme3.app.SimpleApplication;
-import com.jme3.input.KeyInput;
-import com.jme3.input.controls.ActionListener;
-import com.jme3.input.controls.KeyTrigger;
-import com.jme3.system.AppSettings;
-import de.blight.game.config.*;
-import org.slf4j.bridge.SLF4JBridgeHandler;
-import de.blight.game.scene.WorldScene;
-
-public class BlightGame extends SimpleApplication {
-
-    private KeyBindings      keyBindings;
-    private GraphicsSettings graphicsSettings;
-    private WorldScene       worldScene;
-    private ConfigScreen     configScreen;
-    private GraphicsScreen   graphicsScreen;
-    private PauseMenu        pauseMenu;
-
-    public static void main(String[] args) {
-        SLF4JBridgeHandler.removeHandlersForRootLogger();
-        SLF4JBridgeHandler.install();
-
-        BlightGame app = new BlightGame();
-
-        GraphicsSettings gs = GraphicsStore.load();
-        AppSettings settings = new AppSettings(true);
-        settings.setTitle("Blight");
-        settings.setResolution(gs.width, gs.height);
-        settings.setFullscreen(gs.fullscreen);
-        settings.setVSync(gs.vsync);
-        settings.setSamples(gs.samples);
-
-        app.setSettings(settings);
-        app.setShowSettings(false);
-        app.start();
-    }
-
-    @Override
-    public void simpleInitApp() {
-        flyCam.setEnabled(false);
-        inputManager.deleteMapping(INPUT_MAPPING_EXIT);
-
-        keyBindings      = KeyBindingStore.load();
-        graphicsSettings = GraphicsStore.load();
-
-        worldScene = new WorldScene(keyBindings);
-        stateManager.attach(worldScene);
-
-        configScreen = new ConfigScreen(keyBindings, () -> worldScene.reloadBindings(keyBindings));
-        configScreen.setOnClose(() -> pauseMenu.setEnabled(true));
-        stateManager.attach(configScreen);
-        configScreen.setEnabled(false);
-
-        graphicsScreen = new GraphicsScreen(graphicsSettings, () -> pauseMenu.setEnabled(true));
-        stateManager.attach(graphicsScreen);
-        graphicsScreen.setEnabled(false);
-
-        pauseMenu = new PauseMenu(
-            () -> { pauseMenu.setEnabled(false); graphicsScreen.setEnabled(true); },
-            () -> { pauseMenu.setEnabled(false); configScreen.setEnabled(true); }
-        );
-        stateManager.attach(pauseMenu);
-        pauseMenu.setEnabled(false);
-
-        inputManager.addMapping("ToggleMenu", new KeyTrigger(KeyInput.KEY_ESCAPE));
-        inputManager.addListener((ActionListener) (name, isPressed, tpf) -> {
-            if (!isPressed) return;
-
-            if (graphicsScreen.isEnabled()) {
-                // GraphicsScreen wird nur über seine eigenen Buttons geschlossen
-                return;
-            }
-            if (configScreen.isEnabled()) {
-                if (configScreen.isWaiting()) {
-                    configScreen.cancelWaiting();
-                } else {
-                    configScreen.setEnabled(false);
-                    pauseMenu.setEnabled(true);
-                }
-                return;
-            }
-            if (pauseMenu.isEnabled()) {
-                pauseMenu.setEnabled(false);
-                worldScene.setPaused(false);
-                return;
-            }
-            pauseMenu.setEnabled(true);
-            worldScene.setPaused(true);
-        }, "ToggleMenu");
-    }
-
-    @Override
-    public void simpleUpdate(float tpf) {}
-}
+package de.blight.game;
+
+import com.jme3.app.SimpleApplication;
+import com.jme3.app.state.ScreenshotAppState;
+import com.jme3.input.KeyInput;
+import com.jme3.input.controls.ActionListener;
+import com.jme3.input.controls.KeyTrigger;
+import com.jme3.system.AppSettings;
+import de.blight.game.config.*;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.slf4j.bridge.SLF4JBridgeHandler;
+import de.blight.game.scene.WorldScene;
+
+import javax.imageio.ImageIO;
+import javax.swing.*;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+public class BlightGame extends SimpleApplication {
+
+    private static final Logger log = LoggerFactory.getLogger(BlightGame.class);
+
+    private KeyBindings         keyBindings;
+    private GraphicsSettings    graphicsSettings;
+    private ScreenshotAppState  screenshotState;
+    private WorldScene       worldScene;
+    private ConfigScreen     configScreen;
+    private GraphicsScreen   graphicsScreen;
+    private PauseMenu        pauseMenu;
+
+    private JWindow splashWindow;
+
+    public static void main(String[] args) {
+        SLF4JBridgeHandler.removeHandlersForRootLogger();
+        SLF4JBridgeHandler.install();
+
+        BlightGame app = new BlightGame();
+        app.splashWindow = showSplash();
+
+        GraphicsSettings gs = GraphicsStore.load();
+        AppSettings settings = new AppSettings(true);
+        settings.setTitle("Blight");
+        try {
+            settings.setIcons(new Object[]{ImageIO.read(BlightGame.class.getResourceAsStream("/icon.png"))});
+        } catch (IOException | NullPointerException ignored) {}
+        settings.setResolution(gs.width, gs.height);
+        settings.setFullscreen(gs.fullscreen);
+        settings.setVSync(gs.vsync);
+        settings.setSamples(gs.samples);
+
+        app.setSettings(settings);
+        app.setShowSettings(false);
+        app.start();
+    }
+
+    private static JWindow showSplash() {
+        try {
+            BufferedImage img  = ImageIO.read(BlightGame.class.getResourceAsStream("/logo.png"));
+            BufferedImage icon = ImageIO.read(BlightGame.class.getResourceAsStream("/icon.png"));
+            JWindow win = new JWindow();
+            if (icon != null) win.setIconImages(java.util.List.of(icon));
+            win.getContentPane().add(new JLabel(new ImageIcon(img)));
+            win.pack();
+            win.setLocationRelativeTo(null);
+            win.setVisible(true);
+            return win;
+        } catch (IOException | NullPointerException ignored) {
+            return null;
+        }
+    }
+
+    @Override
+    public void simpleInitApp() {
+        if (splashWindow != null) {
+            SwingUtilities.invokeLater(() -> { splashWindow.dispose(); splashWindow = null; });
+        }
+
+        flyCam.setEnabled(false);
+        inputManager.deleteMapping(INPUT_MAPPING_EXIT);
+
+        keyBindings      = KeyBindingStore.load();
+        graphicsSettings = GraphicsStore.load();
+
+        worldScene = new WorldScene(keyBindings);
+        stateManager.attach(worldScene);
+
+        configScreen = new ConfigScreen(keyBindings, () -> worldScene.reloadBindings(keyBindings));
+        configScreen.setOnClose(() -> pauseMenu.setEnabled(true));
+        stateManager.attach(configScreen);
+        configScreen.setEnabled(false);
+
+        graphicsScreen = new GraphicsScreen(graphicsSettings, () -> pauseMenu.setEnabled(true));
+        stateManager.attach(graphicsScreen);
+        graphicsScreen.setEnabled(false);
+
+        pauseMenu = new PauseMenu(
+            () -> { pauseMenu.setEnabled(false); graphicsScreen.setEnabled(true); },
+            () -> { pauseMenu.setEnabled(false); configScreen.setEnabled(true); }
+        );
+        stateManager.attach(pauseMenu);
+        pauseMenu.setEnabled(false);
+
+        // ── Screenshot (Druck-Taste) ───────────────────────────────────────────
+        try {
+            Path screenshotDir = findProjectRoot().resolve("screenshots");
+            Files.createDirectories(screenshotDir);
+            screenshotState = new ScreenshotAppState(screenshotDir + File.separator, "screenshot");
+            stateManager.attach(screenshotState);
+            log.info("Screenshots werden gespeichert in: {}", screenshotDir.toAbsolutePath());
+        } catch (IOException e) {
+            log.warn("Screenshot-Verzeichnis konnte nicht angelegt werden", e);
+        }
+        inputManager.addMapping("Screenshot", new KeyTrigger(KeyInput.KEY_SYSRQ));
+        inputManager.addListener((ActionListener) (name, isPressed, tpf) -> {
+            if (isPressed && screenshotState != null) screenshotState.takeScreenshot();
+        }, "Screenshot");
+
+        inputManager.addMapping("ToggleMenu", new KeyTrigger(KeyInput.KEY_ESCAPE));
+        inputManager.addListener((ActionListener) (name, isPressed, tpf) -> {
+            if (!isPressed) return;
+
+            if (graphicsScreen.isEnabled()) {
+                return;
+            }
+            if (configScreen.isEnabled()) {
+                if (configScreen.isWaiting()) {
+                    configScreen.cancelWaiting();
+                } else {
+                    configScreen.setEnabled(false);
+                    pauseMenu.setEnabled(true);
+                }
+                return;
+            }
+            if (pauseMenu.isEnabled()) {
+                pauseMenu.setEnabled(false);
+                worldScene.setPaused(false);
+                return;
+            }
+            pauseMenu.setEnabled(true);
+            worldScene.setPaused(true);
+        }, "ToggleMenu");
+    }
+
+    @Override
+    public void simpleUpdate(float tpf) {}
+
+    private static Path findProjectRoot() {
+        String prop = System.getProperty("blight.project.root");
+        if (prop != null) return Paths.get(prop);
+        File dir = Paths.get(".").toAbsolutePath().normalize().toFile();
+        while (dir != null) {
+            if (new File(dir, "blight-editor").isDirectory()
+                    && new File(dir, "blight-game").isDirectory())
+                return dir.toPath();
+            dir = dir.getParentFile();
+        }
+        return Paths.get(".").toAbsolutePath().normalize();
+    }
+}

blight-game/src/main/java/de/blight/game/LiveBroadcast.java

@@ -0,0 +1,29 @@
+package de.blight.game;
+
+import de.blight.common.MapIO;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+
+/**
+ * Schreibt Live-Daten (Spielerposition) in eine Temp-Datei neben der Karte,
+ * damit der Editor sie live anzeigen kann.
+ */
+public final class LiveBroadcast {
+
+    public static final Path POS_FILE =
+            MapIO.getMapPath().resolveSibling("blight_live.pos");
+
+    private LiveBroadcast() {}
+
+    public static void writePosition(float x, float y, float z) {
+        try {
+            Files.writeString(POS_FILE, x + "|" + y + "|" + z);
+        } catch (IOException ignored) {}
+    }
+
+    public static void clear() {
+        try { Files.deleteIfExists(POS_FILE); } catch (IOException ignored) {}
+    }
+}

blight-game/src/main/java/de/blight/game/animation/AnimSet.java

@@ -14,8 +14,8 @@ import java.util.Map;
  * Beschreibt ein Animations-Set: eine Liste von Clip-Namen sowie die
  * Zuordnung semantischer Aktionen (IDLE, WALK, …) zu Clip-Namen.
  *
- * Wird als {@code <setName>.animset.json} neben der {@code .j3o}-Datei gespeichert
- * und ersetzt sowohl die alte {@code .clips.json} als auch die {@code .animmap}-Datei.
+ * Wird als {@code animations/sets/<setName>.animset.json} gespeichert.
+ * Die Clip-Dateien liegen als eigenständige .j3o in {@code animations/clips/}.
  */
 public class AnimSet {
 
@@ -44,26 +44,4 @@ public class AnimSet {
         if (!Files.exists(f)) return new AnimSet();
         return GSON.fromJson(Files.readString(f), AnimSet.class);
     }
-
-    /**
-     * Lädt ein AnimSet anhand des Asset-Pfades der zugehörigen {@code .j3o}-Datei.
-     *
-     * @param assetRoot  absoluter Pfad zum Assets-Wurzelverzeichnis
-     * @param j3oAssetPath relativer Pfad zur {@code .j3o}-Datei (z. B. {@code "animations/sets/foo.j3o"})
-     */
-    public static AnimSet loadByJ3oPath(Path assetRoot, String j3oAssetPath) {
-        Path j3o  = assetRoot.resolve(j3oAssetPath.replace('/', java.io.File.separatorChar));
-        String name = j3o.getFileName().toString().replaceFirst("\\.j3o$", "");
-        try {
-            return load(j3o.getParent(), name);
-        } catch (IOException e) {
-            return new AnimSet();
-        }
-    }
-
-    /** Gibt den Companion-Pfad der {@code .animset.json}-Datei neben einer {@code .j3o}-Datei zurück. */
-    public static Path companionPath(Path j3oPath) {
-        String name = j3oPath.getFileName().toString().replaceFirst("\\.j3o$", "");
-        return j3oPath.getParent().resolve(name + SUFFIX);
-    }
 }

blight-game/src/main/java/de/blight/game/animation/AnimationAction.java

@@ -5,20 +5,27 @@ package de.blight.game.animation;
  * Im Editor festgelegt, vom Spiel zur Laufzeit abgerufen.
  */
 public enum AnimationAction {
-    IDLE,
+    DEFAULT,
+	IDLE,
     WALK,
     RUN,
+    SPRINT,
     JUMP,
+    RUNNING_JUMP,
     DUCK;
+	
 
     /** Lesbare Bezeichnung für UI-Anzeige. */
     public String displayName() {
         return switch (this) {
-            case IDLE -> "Idle";
+        	case DEFAULT -> "Default";
+        	case IDLE -> "Idle";
             case WALK -> "Walk";
             case RUN  -> "Run";
-            case JUMP -> "Jump";
-            case DUCK -> "Duck";
+            case SPRINT -> "Sprint";
+            case JUMP         -> "Jump";
+            case RUNNING_JUMP -> "Running Jump";
+            case DUCK         -> "Duck";
         };
     }
 }

blight-game/src/main/java/de/blight/game/animation/AnimationLibrary.java

@@ -14,19 +14,15 @@ import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.*;
-import java.util.stream.Collectors;
 
 /**
- * Loads all .j3o animation files from the animations/ asset folder at startup.
- * Provides retargeted animation clips for any model with a SkinningControl.
- *
- * Clip keys follow the pattern  "filename/clipname"  (e.g. "walk/Run").
+ * Lädt alle Clip-Dateien aus {@code animations/clips/} beim Start.
+ * Clip-Schlüssel entsprechen dem Dateinamen ohne Extension (= Clip-Name).
  */
 public class AnimationLibrary extends BaseAppState {
 
     private static final Logger log = LoggerFactory.getLogger(AnimationLibrary.class);
 
-    // Possible base paths for the animations folder (relative to working dir)
     private static final String[] ASSET_BASES = {
         "blight-assets/src/main/resources",
         "assets",
@@ -35,9 +31,9 @@ public class AnimationLibrary extends BaseAppState {
 
     private AssetManager assetManager;
 
-    /** clip key → clip (bound to the SOURCE armature; retargeted before use) */
+    /** clip name → clip (an Quell-Armatur gebunden; wird bei Bedarf retargeted) */
     private final Map<String, AnimClip> clips     = new LinkedHashMap<>();
-    /** clip key → armature the clip was loaded from */
+    /** clip name → Armatur der Quell-Datei */
     private final Map<String, Armature> armatures = new LinkedHashMap<>();
 
     // ── Lifecycle ─────────────────────────────────────────────────────────────
@@ -45,6 +41,15 @@ public class AnimationLibrary extends BaseAppState {
     @Override
     protected void initialize(Application app) {
         assetManager = ((SimpleApplication) app).getAssetManager();
+        Path assetRoot = findAssetRoot();
+        try {
+            assetManager.registerLocator(
+                assetRoot.toAbsolutePath().toString(),
+                com.jme3.asset.plugins.FileLocator.class);
+            log.info("[AnimLib] Asset-Root registriert: {}", assetRoot.toAbsolutePath());
+        } catch (Exception e) {
+            log.warn("[AnimLib] Asset-Root konnte nicht registriert werden: {}", e.getMessage());
+        }
         loadAll();
     }
 
@@ -54,51 +59,60 @@ public class AnimationLibrary extends BaseAppState {
 
     // ── Public API ────────────────────────────────────────────────────────────
 
-    /** All loaded clip keys (filename/clipname). */
+    /** Alle geladenen Clip-Namen. */
     public Collection<String> getClipKeys() {
         return Collections.unmodifiableSet(clips.keySet());
     }
 
     /**
-     * Retargets the clip to {@code model}'s skeleton and registers it
-     * in the model's AnimComposer (idempotent).
+     * Retargeted den Clip auf das Skeleton von {@code model} und registriert
+     * ihn im AnimComposer des Modells (idempotent).
      *
-     * @return true if the clip was applied successfully
+     * @return true wenn der Clip erfolgreich angewendet wurde
      */
-    public boolean applyTo(String clipKey, Spatial model) {
-        AnimClip   src     = clips.get(clipKey);
-        Armature   srcArm  = armatures.get(clipKey);
-        if (src == null) return false;
+    public boolean applyTo(String clipName, Spatial model) {
+        AnimClip  src    = clips.get(clipName);
+        Armature  srcArm = armatures.get(clipName);
+        if (src == null) {
+            log.warn("[AnimLib] applyTo: Clip '{}' nicht in Bibliothek (verfügbar: {})", clipName, clips.keySet());
+            return false;
+        }
 
         AnimComposer    ac  = RetargetingSystem.findAnimComposer(model);
         SkinningControl sc  = RetargetingSystem.findSkinningControl(model);
-        if (ac == null || sc == null) return false;
+        if (ac == null) {
+            log.warn("[AnimLib] applyTo: Kein AnimComposer in '{}' für Clip '{}'", model != null ? model.getName() : "null", clipName);
+            return false;
+        }
+        if (sc == null) {
+            log.warn("[AnimLib] applyTo: Kein SkinningControl in '{}' für Clip '{}'", model != null ? model.getName() : "null", clipName);
+            return false;
+        }
 
-        String shortName = shortName(clipKey);
-        if (ac.getAnimClip(shortName) != null) return true; // already present
+        if (ac.getAnimClip(clipName) != null) return true; // bereits vorhanden
 
         AnimClip target;
         if (srcArm != null && srcArm != sc.getArmature()) {
-            // Pre-baked animations (Blender retargeting) have identical bone names →
-            // copy directly without retargeting. Different skeleton → retarget.
-            if (haveSameBoneNames(srcArm, sc.getArmature())) {
-                target = src;
-            } else {
-                target = RetargetingSystem.retarget(src, srcArm, sc.getArmature());
-            }
+            // Immer retarget() aufrufen – auch bei gleichen Knochen-Namen.
+            // retarget() nutzt intern den "redirect"-Schnellpfad für gleiche Rigs,
+            // erstellt aber korrekte TransformTrack-Referenzen auf die Ziel-Armatur.
+            // Direkte Nutzung des Quell-Clips würde Transforms auf die falschen
+            // (entkoppelten) Joint-Objekte der Quell-j3o anwenden.
+            target = RetargetingSystem.retarget(src, srcArm, sc.getArmature());
         } else {
             target = src;
         }
-        if (target == null) return false;
+        if (target == null) {
+            log.warn("[AnimLib] applyTo: Retargeting für '{}' schlug fehl", clipName);
+            return false;
+        }
 
         ac.addAnimClip(target);
+        log.info("[AnimLib] Clip '{}' zu AnimComposer von '{}' hinzugefügt", clipName, model.getName());
         return true;
     }
 
-    /**
-     * Applies all loaded clips to {@code model} (only if the model has a skinned rig).
-     * Useful for auto-equipping all available animations on a freshly loaded character.
-     */
+    /** Wendet alle geladenen Clips auf {@code model} an (nur wenn es ein Rig hat). */
     public void applyAllTo(Spatial model) {
         if (RetargetingSystem.findSkinningControl(model) == null) return;
         int applied = 0;
@@ -110,92 +124,124 @@ public class AnimationLibrary extends BaseAppState {
     }
 
     /**
-     * Applies the clip and immediately starts playing it.
+     * Stellt sicher dass der Clip auf das Modell angewendet ist und SkinningControl aktiv ist,
+     * startet ihn aber NICHT (das übernimmt der Aufrufer via AnimComposer.setCurrentAction).
      *
-     * @return true on success
+     * @return true wenn der Clip bereit ist
      */
-    public boolean playOn(String clipKey, Spatial model) {
-        if (!applyTo(clipKey, model)) return false;
-        AnimComposer ac = RetargetingSystem.findAnimComposer(model);
-        if (ac == null) return false;
-        ac.setCurrentAction(shortName(clipKey));
+    public boolean ensureApplied(String clipName, Spatial model) {
+        if (!applyTo(clipName, model)) return false;
+        enableSkinningControls(model);
         return true;
     }
 
     /**
-     * Gibt den Clip-Namen zurück, der einer semantischen Aktion in einem Animations-Set zugeordnet ist.
+     * Wendet den Clip an und startet ihn sofort.
      *
-     * @param assetRoot    absoluter Pfad zum Assets-Wurzelverzeichnis
-     * @param j3oAssetPath relativer Asset-Pfad der {@code .j3o}-Set-Datei (z. B. {@code "animations/sets/hero.j3o"})
-     * @param action       semantische Aktion, z. B. {@code AnimationAction.IDLE}
-     * @return Clip-Name oder {@code null} wenn keine Zuweisung existiert
+     * @return true bei Erfolg
      */
-    public static String getClipForAction(Path assetRoot, String j3oAssetPath, AnimationAction action) {
-        AnimSet set = AnimSet.loadByJ3oPath(assetRoot, j3oAssetPath);
-        return set.getActionMap().get(action.name());
+    public boolean playOn(String clipName, Spatial model) {
+        if (!applyTo(clipName, model)) return false;
+        AnimComposer ac = RetargetingSystem.findAnimComposer(model);
+        if (ac == null) return false;
+        enableSkinningControls(model);
+        log.info("[AnimLib] setCurrentAction('{}') auf '{}'", clipName, model.getName());
+        com.jme3.anim.tween.action.Action action = ac.setCurrentAction(clipName);
+        log.info("[AnimLib] Action: {} length={}", action, action != null ? action.getLength() : "N/A");
+        return action != null;
+    }
+
+    private static void enableSkinningControls(Spatial s) {
+        SkinningControl sc = s.getControl(SkinningControl.class);
+        if (sc != null && !sc.isEnabled()) {
+            sc.setEnabled(true);
+            log.info("[AnimLib] SkinningControl aktiviert auf '{}'", s.getName());
+        }
+        if (s instanceof com.jme3.scene.Node n) {
+            for (Spatial child : n.getChildren()) enableSkinningControls(child);
+        }
+    }
+
+    /**
+     * Gibt den Clip-Namen zurück, der einer semantischen Aktion in einem Set zugeordnet ist.
+     *
+     * @param assetRoot absoluter Pfad zum Assets-Wurzelverzeichnis
+     * @param setName   Name des Animations-Sets (ohne Pfad/Extension, z. B. {@code "human"})
+     * @param action    semantische Aktion
+     * @return Clip-Name oder {@code null}
+     */
+    public static String getClipForAction(Path assetRoot, String setName, AnimationAction action) {
+        Path setDir = assetRoot.resolve("animations").resolve("sets");
+        try {
+            AnimSet set = AnimSet.load(setDir, setName);
+            return set.getActionMap().get(action.name());
+        } catch (Exception e) {
+            return null;
+        }
     }
 
     // ── Loading ───────────────────────────────────────────────────────────────
 
     private void loadAll() {
-        Path animDir = findAnimDir();
-        if (animDir == null) {
-            log.info("[AnimLib] Kein Animations-Verzeichnis gefunden – Bibliothek leer.");
+        Path clipsDir = findClipsDir();
+        log.info("[AnimLib] Asset-Root: {}", findAssetRoot().toAbsolutePath());
+        if (clipsDir == null) {
+            log.warn("[AnimLib] Kein clips-Verzeichnis gefunden – Bibliothek leer.");
             return;
         }
-        try (var walk = Files.walk(animDir)) {
+        log.info("[AnimLib] Scanne clips-Verzeichnis: {}", clipsDir.toAbsolutePath());
+        try (var walk = Files.walk(clipsDir, 1)) {
             walk.filter(p -> p.toString().endsWith(".j3o"))
-                .forEach(this::loadFromFile);
+                .forEach(this::loadClipFromFile);
         } catch (IOException e) {
             log.warn("[AnimLib] Fehler beim Scannen: {}", e.getMessage());
         }
-        log.info("[AnimLib] {} Clips geladen.", clips.size());
+        if (clips.isEmpty()) {
+            log.warn("[AnimLib] KEINE Clips geladen! Prüfe ob der Asset-Root korrekt ist.");
+        } else {
+            log.info("[AnimLib] {} Clips geladen: {}", clips.size(), clips.keySet());
+        }
     }
 
-    private void loadFromFile(Path file) {
-        Path animDir  = findAnimDir();
-        if (animDir == null) return;
-        String relPath  = animDir.relativize(file).toString().replace('\\', '/');
-        String assetKey = "animations/" + relPath;
-        String fileBase = relPath.replaceFirst("\\.j3o$", "");
+    private void loadClipFromFile(Path file) {
+        String clipName = file.getFileName().toString().replaceFirst("\\.j3o$", "");
+        String assetKey = "animations/clips/" + clipName + ".j3o";
 
         try {
-            Spatial loaded = assetManager.loadModel(assetKey);
+            Spatial loaded  = assetManager.loadModel(assetKey);
             AnimComposer    ac = RetargetingSystem.findAnimComposer(loaded);
             SkinningControl sc = RetargetingSystem.findSkinningControl(loaded);
             if (ac == null) {
-                log.debug("[AnimLib] Kein AnimComposer in {}", assetKey);
+                log.warn("[AnimLib] Kein AnimComposer in {} – übersprungen", assetKey);
                 return;
             }
             Armature armature = sc != null ? sc.getArmature() : null;
 
-            for (String clipName : ac.getAnimClipsNames()) {
-                String key = fileBase + "/" + clipName;
-                clips.put(key, ac.getAnimClip(clipName));
-                if (armature != null) armatures.put(key, armature);
-                log.info("[AnimLib] Clip: {}", key);
+            for (String name : ac.getAnimClipsNames()) {
+                clips.put(name, ac.getAnimClip(name));
+                if (armature != null) armatures.put(name, armature);
+                log.info("[AnimLib] Clip geladen: '{}' aus {}", name, assetKey);
             }
         } catch (Exception e) {
             log.warn("[AnimLib] Fehler beim Laden von {}: {}", assetKey, e.getMessage());
         }
     }
 
-    private static Path findAnimDir() {
+    /** Gibt den Asset-Wurzelpfad zurück (erstes Verzeichnis mit {@code animations/}-Unterordner). */
+    public static Path findAssetRoot() {
         for (String base : ASSET_BASES) {
-            Path p = Paths.get(base, "animations");
+            Path p = Paths.get(base);
+            if (Files.isDirectory(p.resolve("animations"))) return p;
+        }
+        return Paths.get(ASSET_BASES[0]);
+    }
+
+    private static Path findClipsDir() {
+        for (String base : ASSET_BASES) {
+            Path p = Paths.get(base, "animations", "clips");
             if (Files.isDirectory(p)) return p;
         }
         return null;
     }
 
-    private static boolean haveSameBoneNames(Armature a, Armature b) {
-        Set<String> namesA = a.getJointList().stream().map(Joint::getName).collect(Collectors.toSet());
-        Set<String> namesB = b.getJointList().stream().map(Joint::getName).collect(Collectors.toSet());
-        return namesA.equals(namesB);
-    }
-
-    private static String shortName(String clipKey) {
-        int slash = clipKey.lastIndexOf('/');
-        return slash >= 0 ? clipKey.substring(slash + 1) : clipKey;
-    }
 }

blight-game/src/main/java/de/blight/game/config/KeyBindings.java

@@ -11,6 +11,7 @@ public class KeyBindings {
     public int right    = KeyInput.KEY_D;
     public int jump     = KeyInput.KEY_SPACE;
     public int sprint   = KeyInput.KEY_LSHIFT;
+    public int walk     = KeyInput.KEY_LMENU;
 
     /** Metadaten für die Config-UI: Feldname im Objekt + Anzeigename. */
     public static final String[][] ENTRIES = {
@@ -20,6 +21,7 @@ public class KeyBindings {
         {"right",    "Rechts"},
         {"jump",     "Springen"},
         {"sprint",   "Rennen"},
+        {"walk",     "Gehen"},
     };
 
     public int get(String fieldName) {

blight-game/src/main/java/de/blight/game/control/PlayerInputControl.java

@@ -1,117 +1,203 @@
-package de.blight.game.control;
-
-import com.jme3.bullet.control.CharacterControl;
-import com.jme3.input.InputManager;
-import com.jme3.input.controls.ActionListener;
-import com.jme3.input.controls.KeyTrigger;
-import com.jme3.math.FastMath;
-import com.jme3.math.Quaternion;
-import com.jme3.math.Vector3f;
-import com.jme3.renderer.Camera;
-import com.jme3.scene.Spatial;
-import de.blight.game.config.KeyBindings;
-
-public class PlayerInputControl {
-
-    private static final float MOVE_SPEED   = 0.07f;
-    private static final float SPRINT_MULT  = 1.5f;
-    private static final float ROTATE_SPEED = 10f;
-
-    private static final String[] ACTION_NAMES =
-        {"Forward", "Backward", "Left", "Right", "Jump", "Sprint"};
-
-    private final InputManager inputManager;
-    private final Camera       cam;
-
-    private CharacterControl physicsChar;
-    private Spatial          visual;
-
-    private boolean forward, backward, left, right, sprint;
-    private boolean paused = false;
-
-    // Listener als Feld, damit er bei reload nicht doppelt registriert wird
-    private final ActionListener actionListener = (name, isPressed, tpf) -> {
-        if (paused) return;
-        switch (name) {
-            case "Forward"  -> forward  = isPressed;
-            case "Backward" -> backward = isPressed;
-            case "Left"     -> left     = isPressed;
-            case "Right"    -> right    = isPressed;
-            case "Sprint"   -> sprint   = isPressed;
-            case "Jump"     -> { if (isPressed && physicsChar != null) physicsChar.jump(); }
-        }
-    };
-
-    public PlayerInputControl(InputManager inputManager, Camera cam, KeyBindings kb) {
-        this.inputManager = inputManager;
-        this.cam          = cam;
-        registerMappings(kb);
-    }
-
-    public void setPhysicsCharacter(CharacterControl physicsChar) {
-        this.physicsChar = physicsChar;
-    }
-
-    public void setVisual(Spatial visual) {
-        this.visual = visual;
-    }
-
-    public void setPaused(boolean paused) {
-        this.paused = paused;
-        if (paused) {
-            forward = backward = left = right = sprint = false;
-            if (physicsChar != null) physicsChar.setWalkDirection(Vector3f.ZERO);
-        }
-    }
-
-    /** Löscht alte Mappings und registriert neue aus den übergebenen KeyBindings. */
-    public void reloadBindings(KeyBindings kb) {
-        for (String a : ACTION_NAMES) inputManager.deleteMapping(a);
-        registerMappings(kb);
-        // Zustand zurücksetzen, damit keine Taste „hängt"
-        forward = backward = left = right = sprint = false;
-        if (physicsChar != null) physicsChar.setWalkDirection(Vector3f.ZERO);
-    }
-
-    private void registerMappings(KeyBindings kb) {
-        inputManager.addMapping("Forward",  new KeyTrigger(kb.forward));
-        inputManager.addMapping("Backward", new KeyTrigger(kb.backward));
-        inputManager.addMapping("Left",     new KeyTrigger(kb.left));
-        inputManager.addMapping("Right",    new KeyTrigger(kb.right));
-        inputManager.addMapping("Jump",     new KeyTrigger(kb.jump));
-        inputManager.addMapping("Sprint",   new KeyTrigger(kb.sprint));
-        inputManager.addListener(actionListener, ACTION_NAMES);
-    }
-
-    public void update(float tpf) {
-        if (physicsChar == null || paused) return;
-
-        Vector3f camDir  = cam.getDirection().clone().setY(0).normalizeLocal();
-        Vector3f camLeft = cam.getLeft().clone().setY(0).normalizeLocal();
-
-        Vector3f moveDir = new Vector3f();
-        if (forward)  moveDir.addLocal(camDir);
-        if (backward) moveDir.subtractLocal(camDir);
-        if (left)     moveDir.addLocal(camLeft);
-        if (right)    moveDir.subtractLocal(camLeft);
-
-        if (moveDir.lengthSquared() > 0.001f) {
-            moveDir.normalizeLocal();
-            float speed = sprint ? MOVE_SPEED * SPRINT_MULT : MOVE_SPEED;
-            physicsChar.setWalkDirection(moveDir.mult(speed));
-
-            if (visual != null) {
-                Quaternion targetRot = new Quaternion();
-                targetRot.lookAt(moveDir, Vector3f.UNIT_Y);
-                // Modell hat +X als Vorwärtsrichtung; lookAt zeigt -Z nach vorne →
-                // 90°-Y-Versatz korrigiert den Orientierungsunterschied.
-                targetRot.multLocal(new Quaternion().fromAngleAxis(-FastMath.HALF_PI, Vector3f.UNIT_Y));
-                Quaternion current = visual.getLocalRotation().clone();
-                current.slerp(targetRot, ROTATE_SPEED * tpf);
-                visual.setLocalRotation(current);
-            }
-        } else {
-            physicsChar.setWalkDirection(Vector3f.ZERO);
-        }
-    }
-}
+package de.blight.game.control;
+
+import com.jme3.anim.AnimComposer;
+import com.jme3.bullet.control.CharacterControl;
+import com.jme3.input.InputManager;
+import com.jme3.input.controls.ActionListener;
+import com.jme3.input.controls.KeyTrigger;
+import com.jme3.math.FastMath;
+import com.jme3.math.Quaternion;
+import com.jme3.math.Vector3f;
+import com.jme3.renderer.Camera;
+import com.jme3.scene.Spatial;
+import de.blight.game.animation.AnimationAction;
+import de.blight.game.animation.AnimationLibrary;
+import de.blight.game.animation.RetargetingSystem;
+import de.blight.game.config.KeyBindings;
+
+import java.nio.file.Path;
+
+public class PlayerInputControl {
+
+    private static final float MOVE_SPEED   = 0.07f;
+    private static final float SPRINT_MULT  = 1.5f;
+    private static final float WALK_MULT    = 0.5f;
+    private static final float ROTATE_SPEED = 10f;
+
+    private static final String[] ACTION_NAMES =
+        {"Forward", "Backward", "Left", "Right", "Jump", "Sprint", "Walk"};
+
+    private final InputManager inputManager;
+    private final Camera       cam;
+
+    private CharacterControl physicsChar;
+    private Spatial          visual;
+
+    private boolean forward, backward, left, right, sprint, walk;
+    private boolean paused = false;
+
+    private AnimationLibrary animLib;
+    private String           animSetName;
+    private Path             assetRoot;
+    private AnimationAction  currentAnim;
+    private boolean          animCtxLogged = false;
+
+    private AnimComposer     animComposer;
+    /** Letzter gestarteter Clip (nur für tryPlay-Deduplizierung genutzt). */
+    private String           runningClip;
+    /** Frames, für die JUMP erzwungen wird (überbrückt onGround()-Lag). */
+    private int              jumpFrames = 0;
+
+    private final ActionListener actionListener = (name, isPressed, tpf) -> {
+        if (paused) return;
+        switch (name) {
+            case "Forward"  -> forward  = isPressed;
+            case "Backward" -> backward = isPressed;
+            case "Left"     -> left     = isPressed;
+            case "Right"    -> right    = isPressed;
+            case "Sprint"   -> sprint   = isPressed;
+            case "Walk"     -> walk     = isPressed;
+            case "Jump"     -> { if (isPressed && physicsChar != null) { physicsChar.jump(); jumpFrames = 12; } }
+        }
+    };
+
+    public PlayerInputControl(InputManager inputManager, Camera cam, KeyBindings kb) {
+        this.inputManager = inputManager;
+        this.cam          = cam;
+        registerMappings(kb);
+    }
+
+    public void setPhysicsCharacter(CharacterControl physicsChar) {
+        this.physicsChar = physicsChar;
+    }
+
+    public void setVisual(Spatial visual) {
+        this.visual = visual;
+    }
+
+    public void setAnimationContext(AnimationLibrary animLib, String animSetName, Path assetRoot) {
+        this.animLib      = animLib;
+        this.animSetName  = animSetName;
+        this.assetRoot    = assetRoot;
+        this.currentAnim  = null;
+        this.runningClip  = null;
+        this.animComposer = (visual != null) ? RetargetingSystem.findAnimComposer(visual) : null;
+        System.out.println("[AnimCtx] AnimComposer gefunden: " + (animComposer != null));
+        if (animSetName != null) {
+            String clip = AnimationLibrary.getClipForAction(assetRoot, animSetName, AnimationAction.IDLE);
+            if (clip != null && tryPlay(clip)) {
+                currentAnim = AnimationAction.IDLE;
+            }
+        }
+    }
+
+    public void setPaused(boolean paused) {
+        this.paused = paused;
+        if (paused) {
+            forward = backward = left = right = sprint = walk = false;
+            if (physicsChar != null) physicsChar.setWalkDirection(Vector3f.ZERO);
+        }
+    }
+
+    public void reloadBindings(KeyBindings kb) {
+        for (String a : ACTION_NAMES) inputManager.deleteMapping(a);
+        registerMappings(kb);
+        forward = backward = left = right = sprint = walk = false;
+        if (physicsChar != null) physicsChar.setWalkDirection(Vector3f.ZERO);
+    }
+
+    private void registerMappings(KeyBindings kb) {
+        inputManager.addMapping("Forward",  new KeyTrigger(kb.forward));
+        inputManager.addMapping("Backward", new KeyTrigger(kb.backward));
+        inputManager.addMapping("Left",     new KeyTrigger(kb.left));
+        inputManager.addMapping("Right",    new KeyTrigger(kb.right));
+        inputManager.addMapping("Jump",     new KeyTrigger(kb.jump));
+        inputManager.addMapping("Sprint",   new KeyTrigger(kb.sprint));
+        inputManager.addMapping("Walk",     new KeyTrigger(kb.walk));
+        inputManager.addListener(actionListener, ACTION_NAMES);
+    }
+
+    public void update(float tpf) {
+        if (physicsChar == null || paused) return;
+
+        Vector3f camDir  = cam.getDirection().clone().setY(0).normalizeLocal();
+        Vector3f camLeft = cam.getLeft().clone().setY(0).normalizeLocal();
+
+        Vector3f moveDir = new Vector3f();
+        if (forward)  moveDir.addLocal(camDir);
+        if (backward) moveDir.subtractLocal(camDir);
+        if (left)     moveDir.addLocal(camLeft);
+        if (right)    moveDir.subtractLocal(camLeft);
+
+        boolean moving = moveDir.lengthSquared() > 0.001f;
+
+        if (moving) {
+            moveDir.normalizeLocal();
+            float speed = walk   ? MOVE_SPEED * WALK_MULT
+                        : sprint ? MOVE_SPEED * SPRINT_MULT
+                        :          MOVE_SPEED;
+            physicsChar.setWalkDirection(moveDir.mult(speed));
+
+            if (visual != null) {
+                Quaternion targetRot = new Quaternion();
+                targetRot.lookAt(moveDir, Vector3f.UNIT_Y);
+                Quaternion current = visual.getLocalRotation().clone();
+                current.slerp(targetRot, ROTATE_SPEED * tpf);
+                visual.setLocalRotation(current);
+            }
+        } else {
+            physicsChar.setWalkDirection(Vector3f.ZERO);
+        }
+
+        // Animation
+        if (jumpFrames > 0) jumpFrames--;
+
+        AnimationAction target;
+        if (jumpFrames > 0 || !physicsChar.onGround()) {
+            target = moving ? AnimationAction.RUNNING_JUMP : AnimationAction.JUMP;
+        } else if (moving) {
+            target = walk   ? AnimationAction.WALK
+                   : sprint ? AnimationAction.SPRINT
+                   :          AnimationAction.RUN;
+        } else {
+            target = AnimationAction.IDLE;
+        }
+
+        if (target != currentAnim) {
+            playAction(target);
+            currentAnim = target;
+        }
+    }
+
+    private void playAction(AnimationAction action) {
+        if (animLib == null || visual == null || animSetName == null) {
+            if (!animCtxLogged) {
+                animCtxLogged = true;
+                System.out.println("[Anim] Kein Animations-Kontext:"
+                        + " animLib=" + animLib + " visual=" + visual + " setName=" + animSetName);
+            }
+            return;
+        }
+        String clip = AnimationLibrary.getClipForAction(assetRoot, animSetName, action);
+        System.out.println("[Anim] " + action + " → clip='" + clip + "' (set=" + animSetName + ")");
+        if (clip != null && tryPlay(clip)) return;
+        if (action != AnimationAction.DEFAULT) {
+            String defClip = AnimationLibrary.getClipForAction(assetRoot, animSetName, AnimationAction.DEFAULT);
+            if (defClip != null) tryPlay(defClip);
+        }
+    }
+
+    private boolean tryPlay(String clip) {
+        if (animComposer == null || !animLib.ensureApplied(clip, visual)) {
+            System.out.println("[Anim] tryPlay('" + clip + "') → ensureApplied FAILED");
+            return false;
+        }
+        com.jme3.anim.tween.action.Action action = animComposer.setCurrentAction(clip);
+        System.out.println("[Anim] setCurrentAction('" + clip + "') → " + (action != null ? "OK" : "FAILED"));
+        if (action != null) {
+            runningClip = clip;
+            return true;
+        }
+        return false;
+    }
+}

blight-game/src/main/java/de/blight/game/control/ThirdPersonCamera.java

@@ -17,9 +17,10 @@ import com.jme3.scene.Spatial;
 public class ThirdPersonCamera {
 
     private static final float MOUSE_SENSITIVITY  = 1.8f;
-    private static final float MIN_DISTANCE       = 3f;
-    private static final float MAX_DISTANCE       = 20f;
-    private static final float MIN_VERTICAL_ANGLE = -0.3f;
+    private static final float BASE_DISTANCE      = 5f;
+    private static final float MIN_DISTANCE       = BASE_DISTANCE - 3f;
+    private static final float MAX_DISTANCE       = BASE_DISTANCE + 3f;
+    private static final float MIN_VERTICAL_ANGLE = 0.08f;   // Kamera immer leicht über Schulter
     private static final float MAX_VERTICAL_ANGLE = FastMath.HALF_PI - 0.1f;
     private static final float TARGET_HEIGHT      = 1.6f;
 
@@ -30,7 +31,7 @@ public class ThirdPersonCamera {
 
     private float yaw      = 0f;
     private float pitch    = 0.4f;
-    private float distance = 10f;
+    private float distance = BASE_DISTANCE;
     private boolean paused = false;
 
     public ThirdPersonCamera(Camera cam, InputManager inputManager) {
@@ -65,8 +66,8 @@ public class ThirdPersonCamera {
                 case "MouseY"    -> pitch = FastMath.clamp(pitch - value * MOUSE_SENSITIVITY, MIN_VERTICAL_ANGLE, MAX_VERTICAL_ANGLE);
                 case "MouseYNeg" -> pitch = FastMath.clamp(pitch + value * MOUSE_SENSITIVITY, MIN_VERTICAL_ANGLE, MAX_VERTICAL_ANGLE);
                 // Zoom
-                case "ZoomIn"    -> distance = FastMath.clamp(distance - value * 20f, MIN_DISTANCE, MAX_DISTANCE);
-                case "ZoomOut"   -> distance = FastMath.clamp(distance + value * 20f, MIN_DISTANCE, MAX_DISTANCE);
+                case "ZoomIn"    -> distance = FastMath.clamp(distance - value * 0.5f, MIN_DISTANCE, MAX_DISTANCE);
+                case "ZoomOut"   -> distance = FastMath.clamp(distance + value * 0.5f, MIN_DISTANCE, MAX_DISTANCE);
             }
         };
         inputManager.addListener(analogListener,

blight-game/src/main/java/de/blight/game/scene/WorldScene.java

@@ -6,7 +6,6 @@ import com.jme3.app.state.BaseAppState;
 import com.jme3.asset.AssetManager;
 import com.jme3.bullet.BulletAppState;
 import com.jme3.bullet.collision.shapes.CapsuleCollisionShape;
-import com.jme3.bullet.collision.shapes.HeightfieldCollisionShape;
 import com.jme3.bullet.control.CharacterControl;
 import com.jme3.bullet.control.RigidBodyControl;
 import com.jme3.bullet.util.CollisionShapeFactory;
@@ -26,27 +25,47 @@ import com.jme3.util.SkyFactory;
 import java.nio.ByteBuffer;
 import de.blight.common.MapData;
 import de.blight.common.MapIO;
+import de.blight.common.model.CharacterIO;
+import de.blight.common.model.GameCharacter;
+import de.blight.common.model.MainCharacter;
+import de.blight.game.animation.AnimationLibrary;
 import de.blight.game.config.KeyBindings;
 import de.blight.game.control.PlayerInputControl;
 import de.blight.game.control.ThirdPersonCamera;
+import com.jme3.post.FilterPostProcessor;
+import com.jme3.post.filters.FogFilter;
+import com.jme3.water.WaterFilter;
 import de.blight.game.state.GrassState;
+import de.blight.game.state.RiverState;
+import de.blight.game.state.WaterBodyState;
+import de.blight.game.state.WeatherState;
+import de.blight.game.state.WorldObjectsState;
 
 import java.io.IOException;
+import java.nio.FloatBuffer;
 import java.util.ArrayList;
 import java.util.List;
 
 public class WorldScene extends BaseAppState {
 
-    private SimpleApplication app;
-    private Node              rootNode;
-    private AssetManager      assetManager;
-    private BulletAppState    bulletAppState;
-    private MapData           loadedMapData;
+    private SimpleApplication    app;
+    private Node                 rootNode;
+    private AssetManager         assetManager;
+    private BulletAppState       bulletAppState;
+    private MapData              loadedMapData;
+    private FilterPostProcessor  sharedFPP;
 
-    private final KeyBindings  keyBindings;
-    private ThirdPersonCamera  thirdPersonCam;
-    private PlayerInputControl playerInput;
-    private float              spawnY = 5f;   // wird in buildTerrain() gesetzt
+    private final KeyBindings    keyBindings;
+    private ThirdPersonCamera    thirdPersonCam;
+    private PlayerInputControl   playerInput;
+    private AnimationLibrary     animLib;
+    private Node                 character;
+    private Spatial              characterVisual;
+    private CharacterControl     physicsChar;
+    private boolean              animContextReady = false;
+    private float                spawnX = 0f;
+    private float                spawnY = 5f;
+    private float                spawnZ = 0f;
 
     public WorldScene(KeyBindings keyBindings) {
         this.keyBindings = keyBindings;
@@ -74,6 +93,9 @@ public class WorldScene extends BaseAppState {
 
         bulletAppState = new BulletAppState();
         app.getStateManager().attach(bulletAppState);
+
+        animLib = new AnimationLibrary();
+        app.getStateManager().attach(animLib);
     }
 
     @Override
@@ -81,27 +103,27 @@ public class WorldScene extends BaseAppState {
         buildLighting();
         TerrainQuad terrain = buildTerrain();
 
-        if (loadedMapData != null) {
-            rootNode.attachChild(buildGebirge(loadedMapData));
-            app.getStateManager().attach(new GrassState(loadedMapData, terrain));
-        }
+        app.getStateManager().attach(new GrassState(terrain));
+        app.getStateManager().attach(new WaterBodyState(terrain, sharedFPP));
+        app.getStateManager().attach(new RiverState());
+        app.getStateManager().attach(new WorldObjectsState());
 
-        Node character = buildCharacter();
+        character = loadOrBuildCharacter();
         rootNode.attachChild(character);
 
         // Bullet-Charakter: Kapsel 0.4 Radius, 1.0 Höhe, Y-Achse (1)
         CapsuleCollisionShape capsule = new CapsuleCollisionShape(0.4f, 1.0f, 1);
-        CharacterControl physicsChar  = new CharacterControl(capsule, 0.05f);
+        physicsChar = new CharacterControl(capsule, 0.05f);
         physicsChar.setJumpSpeed(12f);
         physicsChar.setFallSpeed(35f);
         physicsChar.setGravity(35f);
-        physicsChar.setPhysicsLocation(new Vector3f(0, spawnY, 0));
         character.addControl(physicsChar);
         bulletAppState.getPhysicsSpace().add(physicsChar);
+        physicsChar.setPhysicsLocation(new Vector3f(spawnX, spawnY, spawnZ));
 
         playerInput = new PlayerInputControl(app.getInputManager(), app.getCamera(), keyBindings);
         playerInput.setPhysicsCharacter(physicsChar);
-        playerInput.setVisual(character);
+        playerInput.setVisual(characterVisual != null ? characterVisual : character);
 
         thirdPersonCam = new ThirdPersonCamera(app.getCamera(), app.getInputManager());
         thirdPersonCam.setTarget(character);
@@ -110,15 +132,110 @@ public class WorldScene extends BaseAppState {
         app.getInputManager().setCursorVisible(false);
     }
 
+    private float livePosTimer = 0f;
+
     @Override
     public void update(float tpf) {
+        if (!animContextReady && animLib != null && animLib.isInitialized()) {
+            setupAnimationContext();
+            animContextReady = true;
+        }
         playerInput.update(tpf);
         thirdPersonCam.update(tpf);
+
+        livePosTimer += tpf;
+        if (livePosTimer >= 0.2f && physicsChar != null) {
+            livePosTimer = 0f;
+            com.jme3.math.Vector3f pos = physicsChar.getPhysicsLocation();
+            de.blight.game.LiveBroadcast.writePosition(pos.x, pos.y, pos.z);
+        }
     }
 
-    @Override protected void cleanup(Application app) {}
+    @Override protected void cleanup(Application app) {
+        de.blight.game.LiveBroadcast.clear();
+    }
     @Override protected void onDisable() {}
 
+    private void setupAnimationContext() {
+        animLib.applyAllTo(characterVisual != null ? characterVisual : character);
+        MainCharacter mc = findMainCharacter();
+        String setName = (mc != null) ? mc.getAnimSetPath() : null;
+        System.out.println("[AnimCtx] MainCharacter: " + (mc != null ? mc.getCharacterId() : "null")
+                + "  animSetPath: " + setName
+                + "  clipCount: " + animLib.getClipKeys().size()
+                + "  clips: " + animLib.getClipKeys());
+        // AnimSet-ActionMap ausgeben
+        if (setName != null) {
+            java.nio.file.Path setDir = AnimationLibrary.findAssetRoot().resolve("animations").resolve("sets");
+            try {
+                de.blight.game.animation.AnimSet set = de.blight.game.animation.AnimSet.load(setDir, setName);
+                System.out.println("[AnimCtx] AnimSet '" + setName + "' actionMap: " + set.getActionMap());
+            } catch (Exception e) {
+                System.out.println("[AnimCtx] AnimSet '" + setName + "' nicht ladbar: " + e.getMessage());
+            }
+        }
+        playerInput.setAnimationContext(animLib, setName, AnimationLibrary.findAssetRoot());
+    }
+
+    // CharacterControl setzt den Spatial auf den Kapsel-Mittelpunkt: radius=0.4, halfCyl=0.5 → 0.9m über dem Boden.
+    // Das Modell hat den Ursprung an den Füßen → wir brauchen einen -0.9m-Versatz im wrapper-Node.
+    private static final float CAPSULE_VISUAL_OFFSET_Y = -(0.5f + 0.4f); // -(halfCylHeight + radius)
+
+    /** Lädt das Hauptcharakter-Modell, falls im character/-Verzeichnis definiert; sonst Platzhalter. */
+    private Node loadOrBuildCharacter() {
+        MainCharacter mc = findMainCharacter();
+        if (mc != null && mc.getModelPath() != null) {
+            try {
+                Spatial loaded = assetManager.loadModel(mc.getModelPath());
+                loaded.setShadowMode(RenderQueue.ShadowMode.CastAndReceive);
+
+                // Auf 1.8 m skalieren – Höhe aus Vertex-Daten (zuverlässiger als BoundingBox
+                // bei Skinned-Meshes, die vor der ersten SkinningControl-Runde falsche Bounds liefern)
+                float[] yRange = vertexYRange(loaded);
+                float modelHeight = yRange[1] - yRange[0];
+                System.out.println("[WorldScene] Vertex-Y-Range: min=" + yRange[0] + " max=" + yRange[1]
+                        + " height=" + modelHeight);
+                float offsetY;
+                if (modelHeight > 0.1f) {
+                    float scale = 1.8f / modelHeight;
+                    loaded.setLocalScale(scale);
+                    // Füße des Modells (scale * minY in loaded-Local) auf Kapsel-Unterkante legen
+                    offsetY = -(0.9f + scale * yRange[0]);
+                    System.out.println("[WorldScene] Charakter skaliert: " + scale
+                            + "x  offsetY=" + offsetY);
+                } else {
+                    offsetY = CAPSULE_VISUAL_OFFSET_Y;
+                    System.out.println("[WorldScene] Kein Scale möglich (height=" + modelHeight + "), Fallback-Offset");
+                }
+
+                // rotationNode als Drehpunkt (CharacterControl überschreibt wrapper-Rotation jeden Frame)
+                Node rotNode = new Node("charRot");
+                loaded.setLocalTranslation(0, offsetY, 0);
+                rotNode.attachChild(loaded);
+
+                Node wrapper = new Node("character");
+                wrapper.attachChild(rotNode);
+
+                characterVisual = rotNode;
+                System.out.println("[WorldScene] Hauptcharakter geladen: " + mc.getModelPath());
+                return wrapper;
+            } catch (Exception e) {
+                System.err.println("[WorldScene] Modell nicht ladbar (" + mc.getModelPath()
+                        + "): " + e.getMessage() + " – Fallback auf Platzhalter");
+            }
+        }
+        characterVisual = null;
+        return buildCharacter();
+    }
+
+    private MainCharacter findMainCharacter() {
+        java.nio.file.Path charDir = AnimationLibrary.findAssetRoot().resolve("character");
+        for (GameCharacter c : CharacterIO.loadAll(charDir)) {
+            if (c instanceof MainCharacter mc) return mc;
+        }
+        return null;
+    }
+
     // -----------------------------------------------------------------------
     // Beleuchtung
     // -----------------------------------------------------------------------
@@ -145,6 +262,42 @@ public class WorldScene extends BaseAppState {
                 SkyFactory.EnvMapType.CubeMap);
             rootNode.attachChild(sky);
         } catch (Exception ignored) {}
+
+        setupPostProcessing(sun.getDirection());
+    }
+
+    private void setupPostProcessing(Vector3f sunDir) {
+        sharedFPP = new FilterPostProcessor(assetManager);
+        FilterPostProcessor fpp = sharedFPP;
+
+        // Globales Wasser bei Y=0 (bedeckt die gesamte Karte unterhalb der Wasserlinie)
+        try {
+            WaterFilter waterFilter = new WaterFilter(rootNode, sunDir);
+            waterFilter.setWaterHeight(0f);
+            waterFilter.setWaterColor(new ColorRGBA(0.05f, 0.25f, 0.55f, 1f));
+            waterFilter.setDeepWaterColor(new ColorRGBA(0.02f, 0.12f, 0.30f, 1f));
+            waterFilter.setWaterTransparency(0.15f);
+            waterFilter.setMaxAmplitude(0.3f);
+            waterFilter.setWaveScale(0.008f);
+            waterFilter.setSpeed(0.5f);
+            fpp.addFilter(waterFilter);
+
+            WeatherState weather = new WeatherState();
+            weather.setWaterFilter(waterFilter);
+
+            FogFilter fogFilter = new FogFilter();
+            fogFilter.setFogColor(new ColorRGBA(0.75f, 0.80f, 0.88f, 1f));
+            fogFilter.setFogDensity(0.0f);
+            fogFilter.setFogDistance(600f);
+            fpp.addFilter(fogFilter);
+
+            weather.setFogFilter(fogFilter);
+            app.getStateManager().attach(weather);
+        } catch (Exception e) {
+            System.err.println("[WorldScene] Post-Processing nicht verfügbar: " + e.getMessage());
+        }
+
+        app.getViewPort().addProcessor(fpp);
     }
 
     // -----------------------------------------------------------------------
@@ -188,13 +341,13 @@ public class WorldScene extends BaseAppState {
             }
         }
 
-        // Spawn über dem höchsten Punkt – Basis-Terrain UND Gebirge-Oberkante
-        float minH = Float.MAX_VALUE, maxH = -Float.MAX_VALUE;
-        for (float h : heights) { if (h < minH) minH = h; if (h > maxH) maxH = h; }
-        float midH = (minH + maxH) * 0.5f;
-        float maxUpperTop = maxH;
-        for (float h : map.upperTop) { if (h > maxUpperTop) maxUpperTop = h; }
-        spawnY = maxUpperTop + 20f;
+        // Temp-Spawn aus Editor-Property überschreibt gespeicherten Karten-Spawn
+        String propX = System.getProperty("blight.temp.spawn.x");
+        String propZ = System.getProperty("blight.temp.spawn.z");
+        spawnX = propX != null ? Float.parseFloat(propX) : map.spawnX;
+        spawnZ = propZ != null ? Float.parseFloat(propZ) : map.spawnZ;
+        System.out.println("[WorldScene] SpawnXZ Quelle: " + (propX != null ? "Editor-Property" : "Karte")
+                + " → X=" + spawnX + " Z=" + spawnZ);
 
         TerrainQuad terrain = new TerrainQuad("terrain", 65, GAME_VERTS, heights);
         terrain.setLocalScale(8f, 1f, 8f);
@@ -202,17 +355,22 @@ public class WorldScene extends BaseAppState {
         applyTerrainMaterial(terrain, map);
         rootNode.attachChild(terrain);
 
-        // jBullet subtrahiert midH intern in getVertex() → Physics-Body bei midH
-        // damit Kollisionsfläche und sichtbares Terrain übereinstimmen.
-        HeightfieldCollisionShape hcs = new HeightfieldCollisionShape(
-                heights, terrain.getLocalScale());
-        RigidBodyControl terrainPhysics = new RigidBodyControl(hcs, 0f);
+        // Terrain-Höhe am Spawnpunkt: lokale Koordinaten = weltXZ / scaleXZ
+        float terrainH = terrain.getHeight(new Vector2f(spawnX / 8f, spawnZ / 8f));
+        if (Float.isNaN(terrainH)) {
+            float maxH = -Float.MAX_VALUE;
+            for (float h : heights) { if (h > maxH) maxH = h; }
+            terrainH = maxH;
+        }
+        spawnY = terrainH + 10f;
+
+        RigidBodyControl terrainPhysics = new RigidBodyControl(
+                CollisionShapeFactory.createMeshShape(terrain), 0f);
         terrain.addControl(terrainPhysics);
         bulletAppState.getPhysicsSpace().add(terrainPhysics);
-        terrainPhysics.setPhysicsLocation(new Vector3f(0f, midH, 0f));
 
-        System.out.println("[WorldScene] Karte geladen, Spawn Y=" + spawnY
-                + "  maxGebirgeH=" + maxUpperTop);
+        System.out.println("[WorldScene] Karte geladen, SpawnXYZ=("
+                + spawnX + ", " + spawnY + ", " + spawnZ + ")");
         return terrain;
     }
 
@@ -389,25 +547,40 @@ public class WorldScene extends BaseAppState {
         return a;
     }
 
+    // Default-Texturen identisch mit Editor (TerrainEditorState.DEFAULT_TERRAIN_TEXTURES)
+    private static final String[]    DEF_TEX    = {
+        "Textures/Terrain/splat/grass.jpg",
+        "Textures/Terrain/Rock2/rock.jpg",
+        "Textures/Terrain/splat/dirt.jpg",
+        ""
+    };
+    private static final ColorRGBA[] DEF_COLOR  = {
+        new ColorRGBA(0.28f, 0.58f, 0.18f, 1f),
+        new ColorRGBA(0.45f, 0.32f, 0.25f, 1f),
+        new ColorRGBA(0.55f, 0.45f, 0.30f, 1f),
+        new ColorRGBA(0.80f, 0.72f, 0.50f, 1f),
+    };
+
     private void applyTerrainMaterial(TerrainQuad terrain, MapData map) {
         if (map != null) {
             try {
-                Material mat = new Material(assetManager, "Common/MatDefs/Terrain/Terrain.j3md");
+                Material mat = new Material(assetManager, "Common/MatDefs/Terrain/TerrainLighting.j3md");
+                mat.setBoolean("useTriPlanarMapping", false);
+                mat.setFloat("Shininess", 0f);
 
-                Texture tex1 = loadTexOrFallback("Textures/Terrain/splat/grass.jpg",
-                        new ColorRGBA(0.28f, 0.58f, 0.18f, 1f));
-                Texture tex2 = loadTexOrFallback("Textures/Terrain/splat/road.jpg",
-                        new ColorRGBA(0.55f, 0.50f, 0.40f, 1f));
-                Texture tex3 = loadTexOrFallback("Textures/Terrain/splat/Gravel.jpg",
-                        new ColorRGBA(0.45f, 0.35f, 0.25f, 1f));
-                tex1.setWrap(Texture.WrapMode.Repeat);
-                tex2.setWrap(Texture.WrapMode.Repeat);
-                tex3.setWrap(Texture.WrapMode.Repeat);
-                mat.setTexture("Tex1", tex1); mat.setFloat("Tex1Scale", 512f);
-                mat.setTexture("Tex2", tex2); mat.setFloat("Tex2Scale", 512f);
-                mat.setTexture("Tex3", tex3); mat.setFloat("Tex3Scale", 512f);
+                String[] mapTex    = map.terrainTextures;
+                String[] matParams = {"DiffuseMap","DiffuseMap_1","DiffuseMap_2","DiffuseMap_3"};
+                String[] scaleP    = {"DiffuseMap_0_scale","DiffuseMap_1_scale","DiffuseMap_2_scale","DiffuseMap_3_scale"};
+                for (int i = 0; i < 4; i++) {
+                    String path = (mapTex[i] != null && !mapTex[i].isEmpty()) ? mapTex[i] : DEF_TEX[i];
+                    if (path == null || path.isEmpty()) continue;
+                    Texture tex = loadTexOrFallback(path, DEF_COLOR[i]);
+                    tex.setWrap(Texture.WrapMode.Repeat);
+                    mat.setTexture(matParams[i], tex);
+                    mat.setFloat(scaleP[i], 512f);
+                }
 
-                // Ältere Maps haben splatR=0 → Gras (Tex1) wäre unsichtbar; auf 255 setzen.
+                // Ältere Maps haben splatR=0 → Gras (Slot 0) wäre unsichtbar; auf 255 setzen.
                 byte[] splatR = map.splatR;
                 boolean rAllZero = true;
                 for (byte b : splatR) { if (b != 0) { rAllZero = false; break; } }
@@ -422,14 +595,14 @@ public class WorldScene extends BaseAppState {
                     splatBuf.put(splatR[i]);
                     splatBuf.put(map.splatG[i]);
                     splatBuf.put(map.splatB[i]);
-                    splatBuf.put((byte) 0);
+                    splatBuf.put(map.splatA[i]);
                 }
                 splatBuf.flip();
                 Texture2D splatTex = new Texture2D(new Image(Image.Format.RGBA8, sz, sz, splatBuf));
                 splatTex.setWrap(Texture.WrapMode.EdgeClamp);
                 splatTex.setMinFilter(Texture.MinFilter.BilinearNoMipMaps);
                 splatTex.setMagFilter(Texture.MagFilter.Bilinear);
-                mat.setTexture("Alpha", splatTex);
+                mat.setTexture("AlphaMap", splatTex);
 
                 terrain.setMaterial(mat);
                 return;
@@ -595,6 +768,34 @@ public class WorldScene extends BaseAppState {
         return character;
     }
 
+    /** Gibt {minY, maxY} aller Vertex-Positionen im Teilbaum zurück. */
+    private static float[] vertexYRange(Spatial root) {
+        float[] r = {Float.MAX_VALUE, -Float.MAX_VALUE};
+        collectYRange(root, r);
+        if (r[0] == Float.MAX_VALUE) return new float[]{0f, 0f};
+        return r;
+    }
+
+    private static void collectYRange(Spatial s, float[] r) {
+        if (s instanceof Geometry g) {
+            var buf = g.getMesh().getBuffer(VertexBuffer.Type.Position);
+            if (buf == null) return;
+            FloatBuffer fb = (FloatBuffer) buf.getData();
+            int saved = fb.position();
+            fb.rewind();
+            while (fb.remaining() >= 3) {
+                fb.get();           // x – überspringen
+                float y = fb.get(); // y
+                fb.get();           // z – überspringen
+                if (y < r[0]) r[0] = y;
+                if (y > r[1]) r[1] = y;
+            }
+            fb.position(saved);
+        } else if (s instanceof Node n) {
+            for (Spatial c : n.getChildren()) collectYRange(c, r);
+        }
+    }
+
     private Geometry buildLimb(Material mat, float radius, float height) {
         Geometry limb = new Geometry("limb", new Cylinder(6, 12, radius, height, true));
         limb.setMaterial(mat);
@@ -602,4 +803,5 @@ public class WorldScene extends BaseAppState {
         limb.setShadowMode(RenderQueue.ShadowMode.CastAndReceive);
         return limb;
     }
+
 }

blight-game/src/main/java/de/blight/game/state/GrassState.java

@@ -18,48 +18,44 @@ import com.jme3.scene.VertexBuffer;
 import com.jme3.scene.control.AbstractControl;
 import com.jme3.terrain.geomipmap.TerrainQuad;
 import com.jme3.util.BufferUtils;
-import de.blight.common.MapData;
+import de.blight.common.GrassTuft;
+import de.blight.common.GrassTuftIO;
 
+import java.io.IOException;
 import java.nio.FloatBuffer;
 import java.nio.IntBuffer;
 import java.util.*;
 
 /**
- * Rendert Gras im Spiel aus der in MapData gespeicherten Dichte-Map.
- *
- * Chunks werden gestreckt über mehrere Frames aufgebaut (INIT_PER_FRAME),
- * um Startlags zu vermeiden. GrassVisibilityControl cullt entfernte Chunks.
+ * Rendert individuell platzierte Gras-Büschel aus blight_grass.blg.
+ * Chunks werden lazy über mehrere Frames aufgebaut (INIT_PER_FRAME).
+ * GrassVisibilityControl cullt entfernte Chunks.
  */
 public class GrassState extends BaseAppState {
 
-    // ── Konstanten (identisch mit PlacedObjectState im Editor) ────────────────
-    private static final int   TERRAIN_HALF      = 2048;
-    private static final float WORLD_SIZE        = 4096f;
-    private static final int   SPLAT_SIZE        = MapData.SPLAT_SIZE;
-    private static final float SPLAT_WE_PER_PX   = WORLD_SIZE / (SPLAT_SIZE - 1);
-    private static final int   CHUNK_SIZE        = 128;
-    private static final int   CHUNKS_PER_AXIS   = (TERRAIN_HALF * 2) / CHUNK_SIZE;
-    private static final int   CHUNK_COUNT       = CHUNKS_PER_AXIS * CHUNKS_PER_AXIS;
-    private static final int   MAX_BLADES_PER_PX = 3;
-    private static final float BLADE_WIDTH       = 0.18f;
-    private static final float DEFAULT_HEIGHT    = 1.5f;
-    private static final float FAR_DIST          = 150f;  // WE (game terrain is 1:1 WE)
-    private static final float FAR_DIST_SQ       = FAR_DIST * FAR_DIST;
-    private static final int   INIT_PER_FRAME    = 4;
+    private static final int   TERRAIN_HALF    = 2048;
+    private static final int   CHUNK_SIZE      = 128;
+    private static final int   CHUNKS_PER_AXIS = (TERRAIN_HALF * 2) / CHUNK_SIZE; // 32
+    private static final int   CHUNK_COUNT     = CHUNKS_PER_AXIS * CHUNKS_PER_AXIS; // 1024
+    private static final int   BLADES_PER_TUFT = 4;
+    private static final float TUFT_SPREAD     = 0.5f;
+    private static final float BLADE_WIDTH     = 0.18f;
+    private static final float FAR_DIST        = 150f;
+    private static final float FAR_DIST_SQ     = FAR_DIST * FAR_DIST;
+    private static final int   INIT_PER_FRAME  = 4;
 
-    // ── Abhängigkeiten ────────────────────────────────────────────────────────
-    private final MapData     mapData;
     private final TerrainQuad terrain;
 
-    // ── Runtime-Zustand ───────────────────────────────────────────────────────
-    private Camera   cam;
-    private Node     grassNode;
-    private Material grassMat;
-    private int      nextChunk = 0;
+    private Camera cam;
+    private Node   grassNode;
 
-    public GrassState(MapData mapData, TerrainQuad terrain) {
-        this.mapData  = mapData;
-        this.terrain  = terrain;
+    @SuppressWarnings("unchecked")
+    private final List<GrassTuft>[] chunkTufts   = new List[CHUNK_COUNT];
+    private final Map<Integer, Material> slotMaterials = new LinkedHashMap<>();
+    private int nextChunk = 0;
+
+    public GrassState(TerrainQuad terrain) {
+        this.terrain = terrain;
     }
 
     // ── Lifecycle ─────────────────────────────────────────────────────────────
@@ -69,7 +65,25 @@ public class GrassState extends BaseAppState {
         this.cam  = app.getCamera();
         grassNode = new Node("gameGrass");
         ((SimpleApplication) app).getRootNode().attachChild(grassNode);
-        grassMat  = buildGrassMaterial(app.getAssetManager());
+
+        for (int i = 0; i < CHUNK_COUNT; i++) chunkTufts[i] = new ArrayList<>();
+
+        try {
+            GrassTuftIO.GrassData data = GrassTuftIO.load();
+            if (data != null) {
+                initSlotMaterials(app.getAssetManager(), data.slotPaths());
+                for (GrassTuft t : data.tufts()) {
+                    int ci = chunkIndex(t.x(), t.z());
+                    if (ci >= 0) chunkTufts[ci].add(t);
+                }
+            }
+        } catch (IOException e) {
+            System.err.println("[GrassState] Gras nicht ladbar: " + e.getMessage());
+        }
+
+        if (slotMaterials.isEmpty()) {
+            slotMaterials.put(0, buildGrassMat(app.getAssetManager(), ""));
+        }
     }
 
     @Override
@@ -84,20 +98,40 @@ public class GrassState extends BaseAppState {
     public void update(float tpf) {
         int built = 0;
         while (nextChunk < CHUNK_COUNT && built < INIT_PER_FRAME) {
-            buildChunk(nextChunk++);
+            if (!chunkTufts[nextChunk].isEmpty()) buildChunk(nextChunk);
+            nextChunk++;
             built++;
         }
     }
 
     // ── Material ──────────────────────────────────────────────────────────────
 
-    private Material buildGrassMaterial(AssetManager assets) {
+    private void initSlotMaterials(AssetManager assets, String[] slotPaths) {
+        for (int i = 0; i < 8; i++) {
+            String p = (slotPaths != null && i < slotPaths.length) ? slotPaths[i] : "";
+            if (i == 0 || (p != null && !p.isEmpty())) {
+                slotMaterials.put(i, buildGrassMat(assets, p));
+            }
+        }
+    }
+
+    private Material buildGrassMat(AssetManager assets, String texPath) {
         try {
             Material mat = new Material(assets, "MatDefs/Grass.j3md");
-            mat.setColor("Color", new ColorRGBA(0.28f, 0.72f, 0.18f, 1f));
             mat.setFloat("WindSpeed",    0.5f);
             mat.setFloat("WindStrength", 0.14f);
             mat.getAdditionalRenderState().setFaceCullMode(RenderState.FaceCullMode.Off);
+            if (texPath != null && !texPath.isEmpty()) {
+                try {
+                    mat.setTexture("ColorMap", assets.loadTexture(texPath));
+                    mat.setColor("Color", ColorRGBA.White);
+                } catch (Exception te) {
+                    System.err.println("[GrassState] Gras-Textur nicht ladbar '" + texPath + "': " + te.getMessage());
+                    mat.setColor("Color", new ColorRGBA(0.28f, 0.72f, 0.18f, 1f));
+                }
+            } else {
+                mat.setColor("Color", new ColorRGBA(0.28f, 0.72f, 0.18f, 1f));
+            }
             return mat;
         } catch (Exception e) {
             System.err.println("[GrassState] Grass.j3md nicht gefunden, Fallback: " + e.getMessage());
@@ -108,6 +142,20 @@ public class GrassState extends BaseAppState {
         }
     }
 
+    private Material getSlotMaterial(int slot) {
+        Material m = slotMaterials.get(slot);
+        return m != null ? m : slotMaterials.get(0);
+    }
+
+    // ── Chunk-Index ───────────────────────────────────────────────────────────
+
+    private static int chunkIndex(float x, float z) {
+        int cx = (int) ((x + TERRAIN_HALF) / CHUNK_SIZE);
+        int cz = (int) ((z + TERRAIN_HALF) / CHUNK_SIZE);
+        if (cx < 0 || cx >= CHUNKS_PER_AXIS || cz < 0 || cz >= CHUNKS_PER_AXIS) return -1;
+        return cz * CHUNKS_PER_AXIS + cx;
+    }
+
     // ── Chunk aufbauen ────────────────────────────────────────────────────────
 
     private void buildChunk(int idx) {
@@ -116,47 +164,42 @@ public class GrassState extends BaseAppState {
         float wXMin = -TERRAIN_HALF + cx * CHUNK_SIZE;
         float wZMin = -TERRAIN_HALF + cz * CHUNK_SIZE;
 
-        int pxMin = Math.max(0,              (int)((wXMin + TERRAIN_HALF) / SPLAT_WE_PER_PX));
-        int pzMin = Math.max(0,              (int)((wZMin + TERRAIN_HALF) / SPLAT_WE_PER_PX));
-        int pxMax = Math.min(SPLAT_SIZE - 1, (int)((wXMin + CHUNK_SIZE + TERRAIN_HALF) / SPLAT_WE_PER_PX));
-        int pzMax = Math.min(SPLAT_SIZE - 1, (int)((wZMin + CHUNK_SIZE + TERRAIN_HALF) / SPLAT_WE_PER_PX));
+        List<GrassTuft> tufts = chunkTufts[idx];
+        if (tufts.isEmpty()) return;
 
-        List<float[]> blades = new ArrayList<>();
-        Vector3f scale = terrain.getWorldScale();
-        Vector3f trans = terrain.getWorldTranslation();
-
-        for (int pz = pzMin; pz <= pzMax; pz++) {
-            for (int px = pxMin; px <= pxMax; px++) {
-                int d = mapData.grassDensity[pz * SPLAT_SIZE + px] & 0xFF;
-                if (d == 0) continue;
-                int    count     = Math.max(1, (int)(d / 255f * MAX_BLADES_PER_PX));
-                Random rng       = new Random((long) px * 100003L + pz);
-                float  pixWorldX = px * SPLAT_WE_PER_PX - TERRAIN_HALF;
-                float  pixWorldZ = pz * SPLAT_WE_PER_PX - TERRAIN_HALF;
-                for (int b = 0; b < count; b++) {
-                    float bx = pixWorldX + (rng.nextFloat() - 0.5f) * SPLAT_WE_PER_PX;
-                    float bz = pixWorldZ + (rng.nextFloat() - 0.5f) * SPLAT_WE_PER_PX;
-                    // Welt→lokal→Höhe→Welt
-                    float localX = (bx - trans.x) / scale.x;
-                    float localZ = (bz - trans.z) / scale.z;
-                    float th = terrain.getHeight(new Vector2f(localX, localZ));
-                    if (Float.isNaN(th)) continue;
-                    float worldY = trans.y + th * scale.y;
-                    float h = DEFAULT_HEIGHT * (0.7f + rng.nextFloat() * 0.6f);
-                    blades.add(new float[]{bx, worldY, bz, h});
-                }
+        Map<Integer, List<float[]>> bySlot = new LinkedHashMap<>();
+        for (GrassTuft t : tufts) {
+            long   seed = (long) Float.floatToRawIntBits(t.x()) * 0x9E3779B9L
+                        ^ (long) Float.floatToRawIntBits(t.z()) * 0x6C62272EL;
+            Random rng  = new Random(seed);
+            List<float[]> blades = bySlot.computeIfAbsent(t.slot(), k -> new ArrayList<>());
+            for (int b = 0; b < BLADES_PER_TUFT; b++) {
+                float bx = t.x() + (rng.nextFloat() - 0.5f) * TUFT_SPREAD * 2f;
+                float bz = t.z() + (rng.nextFloat() - 0.5f) * TUFT_SPREAD * 2f;
+                float th = terrain.getHeight(new Vector2f(bx, bz));
+                if (Float.isNaN(th)) continue;
+                float h = t.height() * (0.7f + rng.nextFloat() * 0.6f);
+                blades.add(new float[]{bx, th, bz, h});
             }
         }
 
-        if (blades.isEmpty()) return;
+        if (bySlot.isEmpty()) return;
 
-        Mesh     mesh    = buildGrassMesh(blades);
-        float    chunkCX = wXMin + CHUNK_SIZE * 0.5f;
-        float    chunkCZ = wZMin + CHUNK_SIZE * 0.5f;
-        Geometry geo     = new Geometry("grass_" + idx, mesh);
-        geo.setMaterial(grassMat);
-        geo.addControl(new GrassVisibilityControl(cam, new Vector3f(chunkCX, 0f, chunkCZ)));
-        grassNode.attachChild(geo);
+        float chunkCX = wXMin + CHUNK_SIZE * 0.5f;
+        float chunkCZ = wZMin + CHUNK_SIZE * 0.5f;
+        Node node = new Node("grass_" + idx);
+        for (Map.Entry<Integer, List<float[]>> entry : bySlot.entrySet()) {
+            if (entry.getValue().isEmpty()) continue;
+            Material mat = getSlotMaterial(entry.getKey());
+            if (mat == null) continue;
+            Geometry geo = new Geometry("grass_" + idx + "_s" + entry.getKey(),
+                                        buildGrassMesh(entry.getValue()));
+            geo.setMaterial(mat);
+            node.attachChild(geo);
+        }
+        if (node.getChildren().isEmpty()) return;
+        node.addControl(new GrassVisibilityControl(cam, new Vector3f(chunkCX, 0f, chunkCZ)));
+        grassNode.attachChild(node);
     }
 
     // ── Mesh: Kreuz-Quad mit UV ───────────────────────────────────────────────

blight-game/src/main/java/de/blight/game/state/RiverState.java

@@ -0,0 +1,314 @@
+package de.blight.game.state;
+
+import com.jme3.app.Application;
+import com.jme3.app.SimpleApplication;
+import com.jme3.app.state.BaseAppState;
+import com.jme3.asset.AssetManager;
+import com.jme3.effect.ParticleEmitter;
+import com.jme3.effect.ParticleMesh;
+import com.jme3.material.Material;
+import com.jme3.material.RenderState;
+import com.jme3.math.ColorRGBA;
+import com.jme3.math.FastMath;
+import com.jme3.math.Vector3f;
+import com.jme3.renderer.queue.RenderQueue;
+import com.jme3.scene.Geometry;
+import com.jme3.scene.Mesh;
+import com.jme3.scene.Node;
+import com.jme3.scene.Spatial;
+import com.jme3.scene.VertexBuffer;
+import com.jme3.texture.Image;
+import com.jme3.texture.Texture;
+import com.jme3.texture.Texture2D;
+import com.jme3.util.BufferUtils;
+import de.blight.common.RiverIO;
+import de.blight.common.RiverPoint;
+import de.blight.common.RiverSpline;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.nio.ByteBuffer;
+import java.nio.FloatBuffer;
+import java.nio.IntBuffer;
+import java.util.List;
+import java.util.Random;
+
+/**
+ * Rendert alle gespeicherten Flüsse als Ribbon-Meshes mit Dual-Layer Normal-Map,
+ * Tiefengradient, Uferschaum (Worley-Noise) und g_Time-basierter UV-Animation.
+ */
+public class RiverState extends BaseAppState {
+
+    private static final Logger log = LoggerFactory.getLogger(RiverState.class);
+    private static final float UV_SCALE = 6.0f;
+
+    private Node      riverNode;
+    private AssetManager assets;
+    private Texture2D foamTexture;
+    private final List<Material> animatedMaterials = new java.util.ArrayList<>();
+    private float time = 0f;
+
+    public RiverState() {}
+
+    // ── Lifecycle ─────────────────────────────────────────────────────────────
+
+    @Override
+    protected void initialize(Application app) {
+        log.info("RiverState: initialisiere");
+        this.assets   = app.getAssetManager();
+        this.foamTexture = generateFoamTexture();
+
+        riverNode = new Node("rivers");
+        ((SimpleApplication) app).getRootNode().attachChild(riverNode);
+
+        List<List<RiverPoint>> rivers;
+        try {
+            rivers = RiverIO.load();
+        } catch (Exception e) {
+            log.error("Flüsse nicht ladbar", e);
+            return;
+        }
+        log.info("RiverState: {} Fluss/Flüsse in Datei", rivers.size());
+        if (rivers.isEmpty()) return;
+
+        int built = 0;
+        for (List<RiverPoint> river : rivers) {
+            if (river == null || river.size() < 2) continue;
+            try {
+                buildRiver(river);
+                built++;
+            } catch (Exception e) {
+                log.error("Fehler beim Fluss-Aufbau", e);
+            }
+        }
+        log.info("{}/{} Fluss/Flüsse geladen.", built, rivers.size());
+    }
+
+    @Override
+    protected void cleanup(Application app) {
+        riverNode.detachAllChildren();
+        ((SimpleApplication) app).getRootNode().detachChild(riverNode);
+        foamTexture = null;
+    }
+
+    @Override
+    protected void onEnable()  { riverNode.setCullHint(Spatial.CullHint.Inherit); }
+
+    @Override
+    protected void onDisable() { riverNode.setCullHint(Spatial.CullHint.Always); }
+
+    @Override
+    public void update(float tpf) {
+        if (animatedMaterials.isEmpty()) return;
+        time += tpf;
+        for (Material m : animatedMaterials) {
+            m.setFloat("Time", time);
+        }
+    }
+
+    // ── Fluss bauen ───────────────────────────────────────────────────────────
+
+    private void buildRiver(List<RiverPoint> pts) {
+        int n = pts.size();
+        int i = 0;
+        while (i < n - 1) {
+            boolean wf = pts.get(i).isWaterfall();
+            int j = i + 1;
+            while (j < n - 1 && pts.get(j).isWaterfall() == wf) j++;
+            List<RiverPoint> run = RiverSpline.subdivide(pts.subList(i, j + 1));
+            if (run.size() >= 2) {
+                buildRibbonSection(run, wf);
+                if (wf) buildWaterfallParticles(run.get(run.size() - 1));
+            }
+            i = j;
+        }
+    }
+
+    private void buildRibbonSection(List<RiverPoint> pts, boolean isWaterfall) {
+        Mesh mesh = buildRibbonMesh(pts);
+        if (mesh == null) return;
+        Material mat = buildMaterial(isWaterfall);
+        Geometry geo = new Geometry("river_ribbon", mesh);
+        geo.setMaterial(mat);
+        geo.setQueueBucket(RenderQueue.Bucket.Transparent);
+        riverNode.attachChild(geo);
+        if (mat.getMaterialDef().getName().equals("Flowing Water")) {
+            animatedMaterials.add(mat);
+        }
+    }
+
+    private Mesh buildRibbonMesh(List<RiverPoint> pts) {
+        int n = pts.size();
+        if (n < 2) return null;
+
+        FloatBuffer pos  = BufferUtils.createFloatBuffer(n * 2 * 3);
+        FloatBuffer norm = BufferUtils.createFloatBuffer(n * 2 * 3);
+        FloatBuffer uv   = BufferUtils.createFloatBuffer(n * 2 * 2);
+        IntBuffer   idx  = BufferUtils.createIntBuffer((n - 1) * 2 * 3);
+
+        // Kumulierte Bogenlänge für V-Koordinate
+        float[] arcLen = new float[n];
+        for (int i = 1; i < n; i++) {
+            RiverPoint a = pts.get(i - 1), b = pts.get(i);
+            float dx = b.x()-a.x(), dz = b.z()-a.z(), dy = b.y()-a.y();
+            arcLen[i] = arcLen[i - 1] + FastMath.sqrt(dx*dx + dy*dy + dz*dz);
+        }
+
+        for (int i = 0; i < n; i++) {
+            RiverPoint pt = pts.get(i);
+
+            Vector3f tangent;
+            if (i == 0) {
+                RiverPoint next = pts.get(1);
+                tangent = new Vector3f(next.x()-pt.x(), next.y()-pt.y(), next.z()-pt.z());
+            } else if (i == n - 1) {
+                RiverPoint prev = pts.get(n - 2);
+                tangent = new Vector3f(pt.x()-prev.x(), pt.y()-prev.y(), pt.z()-prev.z());
+            } else {
+                RiverPoint prev = pts.get(i - 1), next = pts.get(i + 1);
+                tangent = new Vector3f(next.x()-prev.x(), next.y()-prev.y(), next.z()-prev.z());
+            }
+            if (tangent.lengthSquared() < 1e-6f) tangent.set(1f, 0f, 0f);
+            tangent.normalizeLocal();
+
+            Vector3f right = tangent.cross(Vector3f.UNIT_Y).normalizeLocal();
+            if (right.lengthSquared() < 1e-6f) right.set(1f, 0f, 0f);
+
+            float halfW  = pt.width() * 0.5f;
+            float px     = pt.x(), py = pt.y(), pz = pt.z();
+            float vCoord = arcLen[i] / UV_SCALE;
+
+            // Linker Rand (U=0), rechter Rand (U=1)
+            pos.put(px - right.x * halfW).put(py).put(pz - right.z * halfW);
+            norm.put(0f).put(1f).put(0f);
+            uv.put(0f).put(vCoord);
+
+            pos.put(px + right.x * halfW).put(py).put(pz + right.z * halfW);
+            norm.put(0f).put(1f).put(0f);
+            uv.put(1f).put(vCoord);
+        }
+
+        for (int i = 0; i < n - 1; i++) {
+            int v0 = 2*i, v1 = 2*i+1, v2 = 2*i+2, v3 = 2*i+3;
+            idx.put(v0).put(v1).put(v3);
+            idx.put(v0).put(v3).put(v2);
+        }
+
+        pos.rewind(); norm.rewind(); uv.rewind(); idx.rewind();
+
+        Mesh mesh = new Mesh();
+        mesh.setBuffer(VertexBuffer.Type.Position, 3, pos);
+        mesh.setBuffer(VertexBuffer.Type.Normal,   3, norm);
+        mesh.setBuffer(VertexBuffer.Type.TexCoord, 2, uv);
+        mesh.setBuffer(VertexBuffer.Type.Index,    3, idx);
+        mesh.updateBound();
+        mesh.updateCounts();
+        return mesh;
+    }
+
+    private Material buildMaterial(boolean isWaterfall) {
+        ColorRGBA tint = isWaterfall
+                ? new ColorRGBA(0.65f, 0.82f, 0.95f, 0.80f)
+                : new ColorRGBA(0.10f, 0.30f, 0.62f, 0.85f);
+
+        Material mat;
+        try {
+            mat = new Material(assets, "MatDefs/FlowingWater.j3md");
+            try {
+                Texture nm = assets.loadTexture(
+                        "Common/MatDefs/Water/Textures/water_normalmap.png");
+                nm.setWrap(Texture.WrapMode.Repeat);
+                mat.setTexture("NormalMap", nm);
+            } catch (Exception e) {
+                log.warn("Normal-Map nicht ladbar, wird ohne Wellenstruktur gerendert");
+            }
+            if (foamTexture != null) {
+                mat.setTexture("FoamMap", foamTexture);
+            }
+            mat.setColor("Tint",       tint);
+            mat.setFloat("UVScale",    UV_SCALE);
+            mat.setFloat("FlowSpeed",  isWaterfall ? RiverPoint.WATERFALL_SPEED
+                                                   : RiverPoint.RIVER_SPEED);
+            mat.setFloat("FoamAmount", isWaterfall ? 1.0f : 0.0f);
+        } catch (Exception e) {
+            log.warn("FlowingWater-Material nicht ladbar, Fallback auf Unshaded", e);
+            mat = new Material(assets, "Common/MatDefs/Misc/Unshaded.j3md");
+            mat.setColor("Color", tint);
+        }
+
+        mat.getAdditionalRenderState().setBlendMode(RenderState.BlendMode.Alpha);
+        mat.getAdditionalRenderState().setFaceCullMode(RenderState.FaceCullMode.Off);
+        mat.getAdditionalRenderState().setDepthWrite(false);
+        return mat;
+    }
+
+    // ── Worley-Noise Schaum-Textur ────────────────────────────────────────────
+
+    private Texture2D generateFoamTexture() {
+        int    size  = 256;
+        int    nPts  = 40;
+        Random rng   = new Random(12345L);
+        float[] sx   = new float[nPts];
+        float[] sy   = new float[nPts];
+        for (int i = 0; i < nPts; i++) {
+            sx[i] = rng.nextFloat() * size;
+            sy[i] = rng.nextFloat() * size;
+        }
+
+        float      cellR = size / (float) Math.sqrt(nPts) * 0.55f;
+        ByteBuffer buf   = BufferUtils.createByteBuffer(size * size * 4);
+
+        for (int y = 0; y < size; y++) {
+            for (int x = 0; x < size; x++) {
+                float minD = Float.MAX_VALUE;
+                for (int i = 0; i < nPts; i++) {
+                    float dx = Math.abs(x - sx[i]);
+                    float dy = Math.abs(y - sy[i]);
+                    if (dx > size * 0.5f) dx = size - dx;  // Kachelung
+                    if (dy > size * 0.5f) dy = size - dy;
+                    float d = (float) Math.sqrt(dx*dx + dy*dy);
+                    if (d < minD) minD = d;
+                }
+                float v  = Math.max(0f, 1f - minD / cellR);
+                v        = v * v; // Schaum-Blasen schärfer abgrenzen
+                byte  bv = (byte) Math.round(v * 255);
+                buf.put(bv).put(bv).put(bv).put((byte) 255);
+            }
+        }
+        buf.flip();
+
+        Texture2D tex = new Texture2D(new Image(Image.Format.RGBA8, size, size, buf));
+        tex.setWrap(Texture.WrapMode.Repeat);
+        tex.setMinFilter(Texture.MinFilter.BilinearNoMipMaps);
+        tex.setMagFilter(Texture.MagFilter.Bilinear);
+        return tex;
+    }
+
+    // ── Partikel-Emitter ──────────────────────────────────────────────────────
+
+    private void buildWaterfallParticles(RiverPoint base) {
+        ParticleEmitter emitter = new ParticleEmitter(
+                "waterfall_particles", ParticleMesh.Type.Triangle, 30);
+        Material pMat = new Material(assets, "Common/MatDefs/Misc/Particle.j3md");
+        try {
+            pMat.setTexture("Texture", assets.loadTexture("Effects/Smoke/Smoke.png"));
+        } catch (Exception e) {
+            log.warn("Partikel-Textur nicht ladbar", e);
+        }
+        emitter.setMaterial(pMat);
+        emitter.setImagesX(1);
+        emitter.setImagesY(1);
+        emitter.setStartColor(new ColorRGBA(1f, 1f, 1f, 0.5f));
+        emitter.setEndColor(new ColorRGBA(1f, 1f, 1f, 0f));
+        emitter.setStartSize(1.2f);
+        emitter.setEndSize(2.5f);
+        emitter.setGravity(0f, -0.5f, 0f);
+        emitter.setLowLife(0.8f);
+        emitter.setHighLife(1.2f);
+        emitter.setInitialVelocity(new Vector3f(0f, 3f, 0f));
+        emitter.setVelocityVariation(0.6f);
+        emitter.setParticlesPerSec(15);
+        emitter.setLocalTranslation(base.x(), base.y(), base.z());
+        riverNode.attachChild(emitter);
+    }
+}

blight-game/src/main/java/de/blight/game/state/WaterBodyState.java

@@ -0,0 +1,277 @@
+package de.blight.game.state;
+
+import com.jme3.app.Application;
+import com.jme3.app.SimpleApplication;
+import com.jme3.app.state.BaseAppState;
+import com.jme3.asset.AssetManager;
+import com.jme3.material.Material;
+import com.jme3.material.RenderState;
+import com.jme3.math.*;
+import com.jme3.post.FilterPostProcessor;
+import com.jme3.renderer.queue.RenderQueue;
+import com.jme3.scene.*;
+import com.jme3.scene.VertexBuffer;
+import com.jme3.terrain.geomipmap.TerrainQuad;
+import com.jme3.util.BufferUtils;
+import com.jme3.water.WaterFilter;
+import de.blight.common.PlacedWater;
+import de.blight.common.WaterBodyIO;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.nio.FloatBuffer;
+import java.nio.IntBuffer;
+import java.util.*;
+
+/**
+ * Rendert im Editor platzierte Wasserflächen per WaterFilter (visuelle Qualität).
+ * Ein unsichtbares Komplementär-Mesh (nur Tiefenpuffer) verhindert, dass der
+ * WaterFilter außerhalb der Flood-Fill-Form Wasser rendert.
+ */
+public class WaterBodyState extends BaseAppState {
+
+    private static final Logger log = LoggerFactory.getLogger(WaterBodyState.class);
+    private static final int   WATER_GRID  = 2049;
+    private static final int   STEP        = 2;
+    private static final int   WORLD_HALF  = 2048;
+    private static final int   MAX_CELLS   = 500_000;
+    private static final float MASK_MARGIN = 20f;   // Puffer um den Becken-Radius
+
+    private final TerrainQuad        terrain;
+    private final FilterPostProcessor fpp;
+    private Node                     waterNode;
+    private final List<WaterFilter>  waterFilters = new ArrayList<>();
+
+    public WaterBodyState(TerrainQuad terrain, FilterPostProcessor fpp) {
+        this.terrain = terrain;
+        this.fpp     = fpp;
+    }
+
+    // ── Lifecycle ─────────────────────────────────────────────────────────────
+
+    @Override
+    protected void initialize(Application app) {
+        SimpleApplication sa = (SimpleApplication) app;
+        waterNode = new Node("waterBodies");
+        sa.getRootNode().attachChild(waterNode);
+
+        List<PlacedWater> bodies;
+        try {
+            bodies = WaterBodyIO.load();
+        } catch (Exception e) {
+            log.error("Wasserflächen nicht ladbar", e);
+            return;
+        }
+        if (bodies.isEmpty()) return;
+
+        Vector3f sunDir = new Vector3f(-0.5f, -1f, -0.5f).normalizeLocal();
+
+        for (PlacedWater body : bodies) {
+            try {
+            Set<Integer> cells = floodFill(body.seedX(), body.seedZ(), body.waterHeight());
+            if (cells == null || cells.isEmpty()) {
+                log.warn("Becken nicht rekonstruierbar: {}/{}", body.seedX(), body.seedZ());
+                continue;
+            }
+
+            float[] cr = computeCentroidAndRadius(cells);
+            float cx = cr[0], cz = cr[1];
+            float filterRadius = cr[2] + MASK_MARGIN;
+
+            WaterFilter wf = new WaterFilter(sa.getRootNode(), sunDir);
+            wf.setWaterHeight(body.waterHeight());
+            wf.setCenter(new Vector3f(cx, body.waterHeight(), cz));
+            wf.setRadius(filterRadius);
+            wf.setShapeType(WaterFilter.AreaShape.Circular);
+            wf.setWaterColor(new ColorRGBA(0.05f, 0.25f, 0.55f, 1f));
+            wf.setDeepWaterColor(new ColorRGBA(0.02f, 0.12f, 0.30f, 1f));
+            wf.setWaterTransparency(0.15f);
+            wf.setMaxAmplitude(0.3f);
+            wf.setWaveScale(0.008f);
+            wf.setSpeed(0.5f);
+            fpp.addFilter(wf);
+            waterFilters.add(wf);
+
+            // Tiefenpuffer-Maske: alle Zellen im Filterkreis außerhalb des Beckens
+            Geometry mask = buildDepthMask(cells, cx, cz, filterRadius, body.waterHeight(),
+                    app.getAssetManager());
+            if (mask != null) waterNode.attachChild(mask);
+
+            log.info("Becken: cells={} h={} center=({},{}) r={}",
+                    cells.size(), body.waterHeight(), cx, cz, filterRadius);
+            } catch (Exception e) {
+                log.error("Fehler bei Becken {}/{}", body.seedX(), body.seedZ(), e);
+            }
+        }
+        log.info("{}/{} Wasserfläche(n) geladen.", waterFilters.size(), bodies.size());
+    }
+
+    @Override
+    protected void cleanup(Application app) {
+        for (WaterFilter wf : waterFilters) fpp.removeFilter(wf);
+        waterFilters.clear();
+        if (waterNode != null)
+            ((SimpleApplication) app).getRootNode().detachChild(waterNode);
+    }
+
+    @Override
+    protected void onEnable()  {
+        if (waterNode != null) waterNode.setCullHint(Spatial.CullHint.Inherit);
+    }
+
+    @Override
+    protected void onDisable() {
+        if (waterNode != null) waterNode.setCullHint(Spatial.CullHint.Always);
+    }
+
+    // ── Flood-Fill ────────────────────────────────────────────────────────────
+
+    private Set<Integer> floodFill(float seedWorldX, float seedWorldZ, float waterHeight) {
+        int seedPX = Math.round((seedWorldX + WORLD_HALF) / (float) STEP);
+        int seedPZ = Math.round((seedWorldZ + WORLD_HALF) / (float) STEP);
+        seedPX = Math.max(0, Math.min(WATER_GRID - 1, seedPX));
+        seedPZ = Math.max(0, Math.min(WATER_GRID - 1, seedPZ));
+
+        Map<Integer, Float> heightCache = new HashMap<>();
+        float seedH = sampleHeight(seedPX, seedPZ, heightCache);
+        if (seedH > waterHeight + 0.5f) {
+            log.warn("Seed-Höhe {} über waterHeight {} – Becken nicht rekonstruierbar", seedH, waterHeight);
+            return null;
+        }
+
+        Set<Integer> visited = new HashSet<>();
+        Deque<int[]> queue   = new ArrayDeque<>();
+        visited.add(seedPZ * WATER_GRID + seedPX);
+        queue.add(new int[]{seedPX, seedPZ});
+
+        final int[][] dirs = {{1,0},{-1,0},{0,1},{0,-1}};
+
+        while (!queue.isEmpty()) {
+            int[] c  = queue.poll();
+            int   px = c[0], pz = c[1];
+
+            if (px == 0 || px == WATER_GRID - 1 || pz == 0 || pz == WATER_GRID - 1)
+                return null;
+
+            for (int[] d : dirs) {
+                int nx   = px + d[0], nz = pz + d[1];
+                int nIdx = nz * WATER_GRID + nx;
+                if (visited.contains(nIdx)) continue;
+                if (sampleHeight(nx, nz, heightCache) <= waterHeight) {
+                    visited.add(nIdx);
+                    if (visited.size() > MAX_CELLS) return null;
+                    queue.add(new int[]{nx, nz});
+                }
+            }
+        }
+        return visited.isEmpty() ? null : visited;
+    }
+
+    private float sampleHeight(int px, int pz, Map<Integer, Float> cache) {
+        int key = pz * WATER_GRID + px;
+        Float cached = cache.get(key);
+        if (cached != null) return cached;
+        float worldX = (float)(px * STEP) - WORLD_HALF;
+        float worldZ = (float)(pz * STEP) - WORLD_HALF;
+        Float h = terrain.getHeight(new Vector2f(worldX, worldZ));
+        float height = (h != null && !Float.isNaN(h)) ? h : Float.MAX_VALUE;
+        cache.put(key, height);
+        return height;
+    }
+
+    // ── Geometrie-Hilfsmethoden ───────────────────────────────────────────────
+
+    private static float[] computeCentroidAndRadius(Set<Integer> cells) {
+        double sumX = 0, sumZ = 0;
+        for (int cell : cells) {
+            sumX += (double)((cell % WATER_GRID) * STEP) - WORLD_HALF;
+            sumZ += (double)((cell / WATER_GRID) * STEP) - WORLD_HALF;
+        }
+        float cx = (float)(sumX / cells.size());
+        float cz = (float)(sumZ / cells.size());
+        float maxR = 0f;
+        for (int cell : cells) {
+            float wx = (float)((cell % WATER_GRID) * STEP) - WORLD_HALF;
+            float wz = (float)((cell / WATER_GRID) * STEP) - WORLD_HALF;
+            float dx = wx - cx, dz = wz - cz;
+            float r  = FastMath.sqrt(dx * dx + dz * dz);
+            if (r > maxR) maxR = r;
+        }
+        return new float[]{cx, cz, maxR};
+    }
+
+    /**
+     * Erstellt ein unsichtbares Mesh bei waterHeight+0.01 für alle Zellen im
+     * Filterkreis, die NICHT zum Becken gehören.
+     *
+     * Das Mesh schreibt nur in den Tiefenpuffer (ColorWrite=false, DepthWrite=true).
+     * Vom WaterFilter aus gesehen liegt diese "Fläche" über dem Terrain (höheres Y =
+     * näher zur Kamera von oben) und blockiert damit das Wasser-Rendering außerhalb
+     * des Beckens.
+     */
+    private static Geometry buildDepthMask(Set<Integer> basinCells, float cx, float cz,
+                                            float radius, float waterHeight,
+                                            AssetManager assets) {
+        float h  = waterHeight + 0.01f;
+        float r2 = radius * radius;
+
+        int minPX = Math.max(0,              (int) Math.floor(((cx - radius) + WORLD_HALF) / STEP) - 1);
+        int maxPX = Math.min(WATER_GRID - 1, (int) Math.ceil (((cx + radius) + WORLD_HALF) / STEP) + 1);
+        int minPZ = Math.max(0,              (int) Math.floor(((cz - radius) + WORLD_HALF) / STEP) - 1);
+        int maxPZ = Math.min(WATER_GRID - 1, (int) Math.ceil (((cz + radius) + WORLD_HALF) / STEP) + 1);
+
+        List<Integer> maskCells = new ArrayList<>();
+        for (int pz = minPZ; pz <= maxPZ; pz++) {
+            for (int px = minPX; px <= maxPX; px++) {
+                int cellIdx = pz * WATER_GRID + px;
+                if (basinCells.contains(cellIdx)) continue;
+                float wx = (float)(px * STEP) - WORLD_HALF;
+                float wz = (float)(pz * STEP) - WORLD_HALF;
+                float dx = wx - cx, dz = wz - cz;
+                if (dx * dx + dz * dz <= r2) maskCells.add(cellIdx);
+            }
+        }
+        if (maskCells.isEmpty()) return null;
+
+        int n = maskCells.size();
+        FloatBuffer pos = BufferUtils.createFloatBuffer(n * 4 * 3);
+        IntBuffer   idx = BufferUtils.createIntBuffer(n * 6);
+        int vi = 0;
+        for (int cell : maskCells) {
+            int   pz = cell / WATER_GRID;
+            int   px = cell % WATER_GRID;
+            float wx = (float)(px * STEP) - WORLD_HALF;
+            float wz = (float)(pz * STEP) - WORLD_HALF;
+            pos.put(wx       ).put(h).put(wz       );
+            pos.put(wx + STEP).put(h).put(wz       );
+            pos.put(wx + STEP).put(h).put(wz + STEP);
+            pos.put(wx       ).put(h).put(wz + STEP);
+            // CCW von oben → Normalen zeigen +Y
+            idx.put(vi).put(vi+2).put(vi+1);
+            idx.put(vi).put(vi+3).put(vi+2);
+            vi += 4;
+        }
+
+        pos.rewind(); idx.rewind();
+
+        Mesh mesh = new Mesh();
+        mesh.setBuffer(VertexBuffer.Type.Position, 3, pos);
+        mesh.setBuffer(VertexBuffer.Type.Index,    3, idx);
+        mesh.updateBound();
+        mesh.updateCounts();
+
+        Geometry geo = new Geometry("water_mask", mesh);
+        geo.setShadowMode(RenderQueue.ShadowMode.Off);
+        Material mat = new Material(assets, "Common/MatDefs/Misc/Unshaded.j3md");
+        mat.setColor("Color", ColorRGBA.Black);
+        mat.getAdditionalRenderState().setColorWrite(false);
+        mat.getAdditionalRenderState().setDepthWrite(true);
+        mat.getAdditionalRenderState().setFaceCullMode(RenderState.FaceCullMode.Off);
+        geo.setMaterial(mat);
+        // Transparent: renders after Opaque terrain, so terrain depth is already in buffer.
+        // The mask (closer to camera = higher Y) passes depth test and overwrites it,
+        // blocking WaterFilter from reading terrain Y < waterHeight at non-basin pixels.
+        geo.setQueueBucket(RenderQueue.Bucket.Transparent);
+        return geo;
+    }
+}

blight-game/src/main/java/de/blight/game/state/WorldObjectsState.java

@@ -0,0 +1,168 @@
+package de.blight.game.state;
+
+import com.jme3.app.Application;
+import com.jme3.app.SimpleApplication;
+import com.jme3.app.state.BaseAppState;
+import com.jme3.asset.AssetManager;
+import com.jme3.asset.plugins.FileLocator;
+import com.jme3.bullet.BulletAppState;
+import com.jme3.bullet.control.RigidBodyControl;
+import com.jme3.bullet.util.CollisionShapeFactory;
+import com.jme3.material.Material;
+import com.jme3.math.*;
+import com.jme3.renderer.queue.RenderQueue;
+import com.jme3.scene.*;
+import com.jme3.scene.shape.*;
+import com.jme3.texture.Texture;
+import de.blight.common.PlacedModel;
+import de.blight.common.PlacedModelIO;
+import de.blight.game.animation.AnimationLibrary;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.List;
+
+public class WorldObjectsState extends BaseAppState {
+
+    private static final Logger log = LoggerFactory.getLogger(WorldObjectsState.class);
+
+    private SimpleApplication app;
+    private AssetManager      assets;
+    private BulletAppState    bulletAppState;
+
+    @Override
+    protected void initialize(Application app) {
+        this.app          = (SimpleApplication) app;
+        this.assets       = app.getAssetManager();
+        this.bulletAppState = app.getStateManager().getState(BulletAppState.class);
+
+        // Asset-Root registrieren, damit Modell-Pfade auflösbar sind
+        try {
+            assets.registerLocator(
+                AnimationLibrary.findAssetRoot().toAbsolutePath().toString(),
+                FileLocator.class);
+        } catch (Exception ignored) {}
+    }
+
+    @Override
+    protected void onEnable() {
+        List<PlacedModel> models;
+        try {
+            models = PlacedModelIO.load();
+        } catch (Exception e) {
+            log.warn("[WorldObjects] Fehler beim Laden der Objekte: {}", e.getMessage());
+            return;
+        }
+        if (models.isEmpty()) {
+            log.info("[WorldObjects] Keine platzierten Objekte gefunden.");
+            return;
+        }
+        log.info("[WorldObjects] Lade {} Objekte…", models.size());
+        Node root = app.getRootNode();
+        int loaded = 0, failed = 0;
+        for (PlacedModel m : models) {
+            try {
+                Spatial s = buildSpatial(m);
+                s.setLocalTranslation(m.x(), m.y(), m.z());
+                Quaternion rot = new Quaternion();
+                rot.fromAngles(m.rotX(), m.rotY(), m.rotZ());
+                s.setLocalRotation(rot);
+                s.setLocalScale(m.scale());
+
+                // Schatten
+                RenderQueue.ShadowMode shadowMode;
+                if (m.castShadow() && m.receiveShadow()) shadowMode = RenderQueue.ShadowMode.CastAndReceive;
+                else if (m.castShadow())                 shadowMode = RenderQueue.ShadowMode.Cast;
+                else if (m.receiveShadow())              shadowMode = RenderQueue.ShadowMode.Receive;
+                else                                     shadowMode = RenderQueue.ShadowMode.Off;
+                s.setShadowMode(shadowMode);
+
+                // Physik-Kollision für solide Objekte
+                if (m.solid() && bulletAppState != null) {
+                    try {
+                        RigidBodyControl rbc = new RigidBodyControl(
+                                CollisionShapeFactory.createMeshShape(s), 0f);
+                        s.addControl(rbc);
+                        bulletAppState.getPhysicsSpace().add(rbc);
+                    } catch (Exception pe) {
+                        log.warn("[WorldObjects] Physik für '{}' nicht erzeugbar: {}", m.modelPath(), pe.getMessage());
+                    }
+                }
+
+                root.attachChild(s);
+                loaded++;
+            } catch (Exception e) {
+                log.warn("[WorldObjects] Objekt '{}' nicht ladbar: {}", m.modelPath(), e.getMessage());
+                failed++;
+            }
+        }
+        log.info("[WorldObjects] {} geladen, {} fehlgeschlagen.", loaded, failed);
+    }
+
+    @Override protected void cleanup(Application app) {}
+    @Override protected void onDisable() {}
+
+    private Spatial buildSpatial(PlacedModel m) {
+        // Exportiertes Mesh hat Vorrang vor modelPath
+        String path = (m.meshFile() != null && !m.meshFile().isBlank())
+                ? m.meshFile() : m.modelPath();
+
+        Spatial spatial;
+        if (path.startsWith("@")) {
+            spatial = createPrimitive(path.substring(1));
+            applyMaterial(spatial, m);
+        } else {
+            spatial = assets.loadModel(path);
+        }
+        spatial.setName("obj_" + path);
+        return spatial;
+    }
+
+    private Spatial createPrimitive(String type) {
+        return switch (type) {
+            case "sphere"   -> new Geometry("sphere",   new Sphere(16, 16, 1f));
+            case "cylinder" -> new Geometry("cylinder", new Cylinder(2, 16, 0.5f, 2f, true));
+            case "plane"    -> {
+                Geometry g = new Geometry("plane", new Quad(2f, 2f));
+                g.rotate(-FastMath.HALF_PI, 0, 0);
+                g.move(-1f, 0, 1f);
+                yield g;
+            }
+            default         -> new Geometry("box", new Box(0.5f, 0.5f, 0.5f));
+        };
+    }
+
+    private void applyMaterial(Spatial s, PlacedModel m) {
+        boolean hasTex  = m.texturePath()   != null && !m.texturePath().isBlank();
+        boolean hasNmap = m.normalMapPath()  != null && !m.normalMapPath().isBlank();
+        boolean hasMat  = m.materialPath()   != null && !m.materialPath().isBlank();
+        if (!(s instanceof Geometry g)) return;
+        try {
+            if (hasMat) {
+                g.setMaterial(assets.loadMaterial(m.materialPath()));
+                return;
+            }
+            if (hasTex || hasNmap) {
+                Material mat = new Material(assets, "Common/MatDefs/Light/Lighting.j3md");
+                mat.setBoolean("UseMaterialColors", false);
+                if (hasTex) {
+                    Texture t = assets.loadTexture(m.texturePath());
+                    t.setWrap(Texture.WrapMode.Repeat);
+                    mat.setTexture("DiffuseMap", t);
+                }
+                if (hasNmap) {
+                    Texture n = assets.loadTexture(m.normalMapPath());
+                    n.setWrap(Texture.WrapMode.Repeat);
+                    mat.setTexture("NormalMap", n);
+                }
+                g.setMaterial(mat);
+                return;
+            }
+        } catch (Exception e) {
+            log.warn("[WorldObjects] Material-Fehler: {}", e.getMessage());
+        }
+        Material mat = new Material(assets, "Common/MatDefs/Misc/Unshaded.j3md");
+        mat.setColor("Color", ColorRGBA.Gray);
+        g.setMaterial(mat);
+    }
+}