Furniture placement

assets/blender/buildings/parts/CMakeLists.txt

@@ -1,5 +1,6 @@
 project(building-parts)
 set(PARTS_FILES pier.blend)
+set(FURNITURE_FILES furniture.blend)
 set(PARTS_OUTPUT_DIRS)
 foreach(PARTS_FILE ${PARTS_FILES})
 	get_filename_component(FILE_NAME ${PARTS_FILE} NAME_WE)
@@ -14,4 +15,17 @@ foreach(PARTS_FILE ${PARTS_FILES})
 		DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${PARTS_FILE} ${CMAKE_SOURCE_DIR}/assets/blender/scripts/export_building_parts.py)
 	list(APPEND PARTS_OUTPUT_DIRS ${PARTS_OUTPUT_DIR})
 endforeach()
+foreach(FURNITURE_FILE ${FURNITURE_FILES})
+	get_filename_component(FILE_NAME ${FURNITURE_FILE} NAME_WE)
+	set(PARTS_OUTPUT_DIR ${CMAKE_BINARY_DIR}/resources/buildings/parts/${FILE_NAME})
+	add_custom_command(
+		OUTPUT ${PARTS_OUTPUT_DIR}
+		COMMAND ${CMAKE_COMMAND} -E make_directory ${PARTS_OUTPUT_DIR}
+		COMMAND ${BLENDER} ${CMAKE_CURRENT_SOURCE_DIR}/${FURNITURE_FILE}
+			-b -Y -P
+			${CMAKE_CURRENT_SOURCE_DIR}/export_furniture_parts.py
+			-- ${PARTS_OUTPUT_DIR}
+			DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${PARTS_FILE} ${CMAKE_CURRENT_SOURCE_DIR}/export_furniture_parts.py)
+	list(APPEND PARTS_OUTPUT_DIRS ${PARTS_OUTPUT_DIR})
+endforeach()
 add_custom_target(import_building_parts ALL DEPENDS ${PARTS_OUTPUT_DIRS})

assets/blender/buildings/parts/export_furniture_parts.py

@@ -0,0 +1,91 @@
+import bpy
+import os, sys, time
+import json
+argv = sys.argv
+argv = argv[argv.index("--") + 1:]
+
+incpath = os.path.dirname(__file__)
+
+sys.path.insert(0, incpath)
+outdir = argv[0]
+
+def export_root_objects_to_gltf(output_dir):
+    # Ensure the output directory exists
+    if not os.path.exists(output_dir):
+        os.makedirs(output_dir)
+
+    # Deselect all objects
+    bpy.ops.object.select_all(action='DESELECT')
+
+    # Iterate through all objects in the scene
+    for obj in bpy.context.scene.objects:
+        # Check if the object has no parent and has children
+        # The original request specifies "objects having no parent with children".
+        # This condition captures those that are explicitly root objects of a hierarchy.
+        if obj.parent is None:
+            # Select the root object and all its children
+
+            print(obj.name)
+            if not obj.name.startswith("furniture-"):
+                continue
+            desc = {}
+            desc["name"] = obj.name.replace("furniture-","")
+            desc["mesh"] = obj.name + ".glb"
+            if "furniture_tags" in obj:
+                mtags = obj["furniture_tags"]
+                if "," in mtags:
+                    atags = [m.strip() for m in mtags.split(",")]
+                    desc["tags"] = atags
+                else:
+                    desc["tags"] = [mtags]
+            else:
+                desc["tags"] = []
+            obj.select_set(True)
+            for child in obj.children_recursive:
+                child.select_set(True)
+
+            obj.location = (0.0, 0.0, 0.0)
+            
+            # Set the root object as the active object for the export operator
+            bpy.context.view_layer.objects.active = obj
+
+            # Define the output file path
+            file_path = os.path.join(output_dir, f"{obj.name}.glb")
+            
+            # Export the selected objects to a glTF file
+            bpy.ops.export_scene.gltf(filepath=file_path,
+                    use_selection=True,
+                    check_existing=False,
+                    export_format='GLB',
+                    export_texture_dir='textures', export_texcoords=True,
+                    export_normals=True,
+                    export_tangents=True,
+                    export_materials='EXPORT',
+                    export_colors=True,
+                    use_mesh_edges=False,
+                    use_mesh_vertices=False,
+                    export_cameras=False,
+                    use_visible=False,
+                    use_renderable=False,
+                    export_yup=True,
+                    export_apply=True,
+                    export_animations=True,
+                    export_force_sampling=True,
+                    export_def_bones=False,
+                    export_current_frame=False,
+                    export_morph=True,
+                    export_morph_animation=False,
+                    export_morph_normal=True,
+                    export_morph_tangent=True,
+                    export_lights=False,
+                    export_skins=True)
+
+            # Deselect all objects for the next iteration
+            bpy.ops.object.select_all(action='DESELECT')
+            
+            print(f"Exported {obj.name} and its children to {file_path}")
+            with open(file_path + ".json", "w") as json_data:
+                json.dump(desc, json_data)
+
+export_root_objects_to_gltf(outdir)
+