Fix texture mapping of normal blocks.

chunky-dev · Sep 1, 2024 · f2eb153 · f2eb153
1 parent 79fde6a
commit f2eb153
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/src/main/opencl/kernel/include/block.h b/src/main/opencl/kernel/include/block.h
@@ -52,6 +52,13 @@ bool BlockPalette_intersectNormalizedBlock(BlockPalette self, image2d_array_t at
             hit = AABB_full_intersect(box, tempRay, &tempRecord);
             tempRecord.material = modelPointer;
             if (hit) {
+                if (tempRecord.normal.x > 0 || tempRecord.normal.z < 0) {
+                    tempRecord.texCoord.x = 1 - tempRecord.texCoord.x;
+                }
+                if (tempRecord.normal.y > 0) {
+                    tempRecord.texCoord.y = 1 - tempRecord.texCoord.y;
+                }
+
                 Material material = Material_get(materialPalette, tempRecord.material);
                 hit = Material_sample(material, atlas, tempRecord.texCoord, sample);
                 if (hit) {