Replace template meshes with native placeholders

Scripts/setup_playable_blueprints.py

@@ -11,8 +11,17 @@ WOOD_ITEM_PATH = "/Game/Agrarian/DataAssets/Items/DA_Item_Wood"
 FIBER_ITEM_PATH = "/Game/Agrarian/DataAssets/Items/DA_Item_Fiber"
 STONE_ITEM_PATH = "/Game/Agrarian/DataAssets/Items/DA_Item_Stone"
 
-MESH_CUBE_PATH = "/Game/LevelPrototyping/Meshes/SM_Cube"
-MESH_CYLINDER_PATH = "/Game/LevelPrototyping/Meshes/SM_Cylinder"
+PLACEHOLDER_MESH_FOLDER = "/Game/Agrarian/Environment/PlaceholderMeshes"
+PLACEHOLDER_MESH_SOURCES = {
+    "SM_AGR_Placeholder_Cube": "/Game/LevelPrototyping/Meshes/SM_Cube",
+    "SM_AGR_Placeholder_Cylinder": "/Game/LevelPrototyping/Meshes/SM_Cylinder",
+}
+PLACEHOLDER_MESHES = {
+    name: f"{PLACEHOLDER_MESH_FOLDER}/{name}"
+    for name in PLACEHOLDER_MESH_SOURCES
+}
+MESH_CUBE_PATH = PLACEHOLDER_MESHES["SM_AGR_Placeholder_Cube"]
+MESH_CYLINDER_PATH = PLACEHOLDER_MESHES["SM_AGR_Placeholder_Cylinder"]
 
 BLUEPRINTS = [
     {
@@ -125,6 +134,19 @@ def load_required_asset(path):
     return asset
 
 
+def ensure_native_placeholder_meshes():
+    unreal.EditorAssetLibrary.make_directory(PLACEHOLDER_MESH_FOLDER)
+    for asset_name, source_path in PLACEHOLDER_MESH_SOURCES.items():
+        destination_path = f"{PLACEHOLDER_MESH_FOLDER}/{asset_name}"
+        if unreal.EditorAssetLibrary.does_asset_exist(destination_path):
+            continue
+
+        if not unreal.EditorAssetLibrary.duplicate_asset(source_path, destination_path):
+            raise RuntimeError(f"Could not create native placeholder mesh {destination_path} from {source_path}")
+        unreal.EditorAssetLibrary.save_asset(destination_path)
+        unreal.log(f"Created native placeholder mesh: {destination_path}")
+
+
 def create_or_load_blueprint(asset_name, folder, parent_class):
     path = f"{folder}/{asset_name}"
     existing = unreal.EditorAssetLibrary.load_asset(path)
@@ -177,6 +199,8 @@ def apply_defaults(blueprint, config):
 
 
 def main():
+    ensure_native_placeholder_meshes()
+
     for folder in (RESOURCE_FOLDER, STRUCTURE_FOLDER, WILDLIFE_FOLDER, WORLD_FOLDER):
         unreal.EditorAssetLibrary.make_directory(folder)