Premultiply chunk offset for incredibly small performance gain

Author: embeddedt

common/src/main/java/org/embeddedt/modernfix/common/mixin/bugfix/missing_block_entities/LevelChunkMixin.java

@@ -62,16 +62,16 @@ private void validateBlockEntitiesInChunk(CallbackInfo ci) {
 
     @Unique
     private void scanSectionForBlockEntities(LevelChunkSection section, int i) {
-        int chunkX = this.chunkPos.x;
-        int chunkZ = this.chunkPos.z;
+        int chunkXOff = this.chunkPos.x * 16;
+        int chunkZOff = this.chunkPos.z * 16;
         BlockPos.MutableBlockPos cursor = new BlockPos.MutableBlockPos();
-        int sectionY = this.getSectionYFromSectionIndex(i);
+        int sectionYOff = this.getSectionYFromSectionIndex(i) * 16;
         for (int y = 0; y < 16; y++) {
             for (int z = 0; z < 16; z++) {
                 for (int x = 0; x < 16; x++) {
                     var state = section.getBlockState(x, y, z);
                     if (state.hasBlockEntity()) {
-                        cursor.set(chunkX * 16 + x, sectionY * 16 + y, chunkZ * 16 + z);
+                        cursor.set(chunkXOff + x, sectionYOff + y, chunkZOff + z);
                         makeBlockEntityIfNotExists(state, cursor);
                     }
                 }