update WorldConverter (WIP)

src/files/world_regions_fwd.hpp

@@ -0,0 +1,12 @@
+#pragma once
+
+#include "typedefs.hpp"
+
+enum RegionLayerIndex : uint {
+    REGION_LAYER_VOXELS = 0,
+    REGION_LAYER_LIGHTS,
+    REGION_LAYER_INVENTORIES,
+    REGION_LAYER_ENTITIES,
+    
+    REGION_LAYERS_COUNT
+};