workshop rework

archive/legacy_python/import_environment_assets.py

@@ -0,0 +1,66 @@
+"""Run inside Unreal (Python console / Execute Python Script).
+
+Imports the tree (FBX) and rock (OBJ) meshes from DemoAssets as StaticMesh
+assets, so generate_procedural_terrain.py has something to scatter.
+"""
+import os, unreal
+
+DEMO_ROOT = r"C:\Users\koleg\Documents\Unreal Projects\ExampleProject\DemoAssets"
+DEST_ROOT = "/Game/ImportedAssets"
+
+# folder under DEMO_ROOT -> (destination subfolder, file extension)
+SOURCES = {
+    "trees": ("Trees", ".fbx"),
+    "rocks": ("Rocks", ".obj"),
+}
+
+asset_tools = unreal.AssetToolsHelpers.get_asset_tools()
+
+
+def import_task(filename, name, dest_path, options=None):
+    task = unreal.AssetImportTask()
+    task.filename = filename
+    task.destination_path = dest_path
+    task.destination_name = name
+    task.automated = True
+    task.save = True
+    task.replace_existing = True
+    if options:
+        task.options = options
+    asset_tools.import_asset_tasks([task])
+    return unreal.load_asset(f"{dest_path}/{name}")
+
+
+def import_static_mesh(filename, name, dest_path):
+    ext = os.path.splitext(filename)[1].lower()
+    options = None
+    if ext == ".fbx":
+        options = unreal.FbxImportUI()
+        options.mesh_type_to_import = unreal.FBXImportType.FBXIT_STATIC_MESH
+        options.import_mesh = True
+        options.import_as_skeletal = False
+        options.import_materials = True
+        options.import_textures = True
+        options.static_mesh_import_data.combine_meshes = True
+    # OBJ has no import-options struct exposed to Python; Interchange picks sane defaults.
+    return import_task(filename, name, dest_path, options)
+
+
+imported = []
+for src_folder, (dest_subfolder, ext) in SOURCES.items():
+    src_dir = os.path.join(DEMO_ROOT, src_folder)
+    if not os.path.isdir(src_dir):
+        continue
+    dest_path = f"{DEST_ROOT}/{dest_subfolder}"
+
+    for f in sorted(os.listdir(src_dir)):
+        stem, file_ext = os.path.splitext(f)
+        if file_ext.lower() != ext:
+            continue
+        name = f"SM_{stem}"
+        mesh = import_static_mesh(os.path.join(src_dir, f), name, dest_path)
+        imported.append(f"{dest_path}/{name}")
+
+print(f"Imported {len(imported)} static mesh(es):")
+for path in imported:
+    print(f"  {path}")