first commit

2026-05-07 21:38:27 +03:00
commit 84fb173ea8
3949 changed files with 564326 additions and 0 deletions
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+const ivec3 leaves_voxelVolumeSize = ivec3(128);
+
+vec3 SceneToLeavesVoxel(vec3 scenePos) {
+	return scenePos + fract(cameraPosition) + 0.5 * vec3(leaves_voxelVolumeSize);
+}
+
+bool CheckInsideLeavesVoxelVolume(vec3 voxelPos) {
+    #ifndef SHADOW
+        voxelPos -= leaves_voxelVolumeSize / 2;
+        voxelPos += sign(voxelPos) * 0.95;
+        voxelPos += leaves_voxelVolumeSize / 2;
+    #endif
+    voxelPos /= vec3(leaves_voxelVolumeSize);
+	return clamp01(voxelPos) == voxelPos;
+}
+
+#if defined SHADOW && defined VERTEX_SHADER
+    void UpdateLeavesVoxelMap(int mat) {
+        if (renderStage == MC_RENDER_STAGE_ENTITIES)
+            return;
+
+        vec3 model_pos = gl_Vertex.xyz + at_midBlock.xyz / 64.0;
+        vec3 view_pos  = mat3(gl_ModelViewMatrix) * model_pos + gl_ModelViewMatrix[3].xyz;
+        vec3 scenePos = mat3(shadowModelViewInverse) * view_pos + shadowModelViewInverse[3].xyz;
+        vec3 voxelPos = SceneToLeavesVoxel(scenePos);
+
+        if (CheckInsideLeavesVoxelVolume(voxelPos))
+            imageStore(leaves_img, ivec3(voxelPos), uvec4(mat == 10009 ? 2u : 1u, 0u, 0u, 0u));
+    }
+#endif