Fixed a bug in the Blender model import script. Before when adding mu…

…ltiple GWMB models in Blender it would add them all to the first models HIGH, MED and LOW collections.

blender_addons/model_import_addon/import_model.py

@@ -455,7 +455,7 @@ def create_mesh_from_json(context, directory, filename):
 
     # Ensure a collection for the model hash exists under the GWMB_Models collection
     model_collection = ensure_collection(context, model_hash, parent_collection=gwmb_collection)
-    high_collection = ensure_collection(context, "LOD_HIGH", parent_collection=model_collection)
+    high_collection = ensure_collection(context, f"{model_hash}_LOD_HIGH", parent_collection=model_collection)
 
     # Set the model's hash collection as the active collection
     layer_collection = bpy.context.view_layer.layer_collection.children[gwmb_collection.name].children[
@@ -472,12 +472,12 @@ def create_mesh_from_json(context, directory, filename):
         has_low_lod = submodel['has_low_lod']
 
         if (has_low_lod):
-            low_collection = ensure_collection(context, "LOD_LOW", parent_collection=model_collection)
+            low_collection = ensure_collection(context, f"{model_hash}_LOD_LOW", parent_collection=model_collection)
             indices_low = submodel.get('indices_low', [])
             faces_low = [tuple(reversed(indices_low[i:i + 3])) for i in range(0, len(indices_low), 3)]
 
         if (has_med_lod):
-            med_collection = ensure_collection(context, "LOD_MEDIUM", parent_collection=model_collection)
+            med_collection = ensure_collection(context, f"{model_hash}_LOD_MEDIUM", parent_collection=model_collection)
             indices_med = submodel.get('indices_med', [])
             faces_med = [tuple(reversed(indices_med[i:i + 3])) for i in range(0, len(indices_med), 3)]