Commit vor Voxel Update für die Klippen

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

@@ -0,0 +1,54 @@
+uniform sampler2D m_Tex0;
+uniform sampler2D m_Tex1;
+uniform sampler2D m_Tex2;
+uniform sampler2D m_Tex3;
+uniform float m_TexScale;
+
+in vec3  vWorldPos;
+in vec3  vNormal;
+in vec4  vMatWeights;
+
+out vec4 outColor;
+
+void main() {
+    vec3 blendWeights = abs(vNormal);
+    blendWeights = max(blendWeights - 0.2, 0.0);
+    blendWeights /= (blendWeights.x + blendWeights.y + blendWeights.z + 0.001);
+
+    vec2 uvX = vWorldPos.yz / m_TexScale;
+    vec2 uvY = vWorldPos.xz / m_TexScale;
+    vec2 uvZ = vWorldPos.xy / m_TexScale;
+
+    vec4 col = vec4(0.0);
+
+    float w0 = vMatWeights.r;
+    if (w0 > 0.001) {
+        col += w0 * (texture(m_Tex0, uvX) * blendWeights.x
+                   + texture(m_Tex0, uvY) * blendWeights.y
+                   + texture(m_Tex0, uvZ) * blendWeights.z);
+    }
+    float w1 = vMatWeights.g;
+    if (w1 > 0.001) {
+        col += w1 * (texture(m_Tex1, uvX) * blendWeights.x
+                   + texture(m_Tex1, uvY) * blendWeights.y
+                   + texture(m_Tex1, uvZ) * blendWeights.z);
+    }
+    float w2 = vMatWeights.b;
+    if (w2 > 0.001) {
+        col += w2 * (texture(m_Tex2, uvX) * blendWeights.x
+                   + texture(m_Tex2, uvY) * blendWeights.y
+                   + texture(m_Tex2, uvZ) * blendWeights.z);
+    }
+    float w3 = vMatWeights.a;
+    if (w3 > 0.001) {
+        col += w3 * (texture(m_Tex3, uvX) * blendWeights.x
+                   + texture(m_Tex3, uvY) * blendWeights.y
+                   + texture(m_Tex3, uvZ) * blendWeights.z);
+    }
+
+    vec3 lightDir = normalize(vec3(0.5, 1.0, 0.3));
+    float diff = max(dot(vNormal, lightDir), 0.0) * 0.7 + 0.3;
+
+    outColor = vec4(col.rgb * diff, col.a);
+    if (outColor.a < 0.1) discard;
+}