C++ MeshInstance::get_owner方法代码示例

//.........这里部分代码省略.........
		// step 3 bubbly sort points

		int swaps=0;

		do {
			swaps=0;

			for(int i=0;i<portal_points.size()-1;i++) {

				float a = portal_points[i].atan2();
				float b = portal_points[i+1].atan2();

				if (a>b) {
					SWAP( portal_points[i], portal_points[i+1] );
					swaps++;
				}

			}

		} while(swaps);


		Portal *portal = memnew( Portal );

		portal->set_shape(portal_points);
		portal->set_transform( mi->get_transform() * t);

		p_node->replace_by(portal);
		memdelete(p_node);
		p_node=portal;

	} else if (p_node->cast_to<MeshInstance>()) {

		//last attempt, maybe collision insde the mesh data

		MeshInstance *mi = p_node->cast_to<MeshInstance>();

		Ref<Mesh> mesh = mi->get_mesh();
		if (!mesh.is_null()) {

			if (p_flags&SCENE_FLAG_CREATE_COLLISIONS && _teststr(mesh->get_name(),"col")) {

				mesh->set_name( _fixstr(mesh->get_name(),"col") );
				Ref<Shape> shape;

				if (collision_map.has(mesh)) {
					shape = collision_map[mesh];

				} else {

					shape = mesh->create_trimesh_shape();
					if (!shape.is_null())
						collision_map[mesh]=shape;


				}

				if (!shape.is_null()) {
#if 0
					StaticBody* static_body = memnew( StaticBody );
					ERR_FAIL_COND_V(!static_body,NULL);
					static_body->set_name( String(mesh->get_name()) + "_col" );
					shape->set_name(static_body->get_name());
					static_body->add_shape(shape);

					mi->add_child(static_body);
					if (mi->get_owner())
						static_body->set_owner( mi->get_owner() );
#endif
				}

			}

			for(int i=0;i<mesh->get_surface_count();i++) {

				Ref<FixedMaterial> fm = mesh->surface_get_material(i);
				if (fm.is_valid()) {
					String name = fm->get_name();
					if (_teststr(name,"alpha")) {
						fm->set_fixed_flag(FixedMaterial::FLAG_USE_ALPHA,true);
						name=_fixstr(name,"alpha");
					}

					if (_teststr(name,"vcol")) {
						fm->set_fixed_flag(FixedMaterial::FLAG_USE_COLOR_ARRAY,true);
						name=_fixstr(name,"vcol");
					}
					fm->set_name(name);
				}
			}

		}

	}




	return p_node;
}

void MeshInstanceEditor::_menu_option(int p_option) {

	Ref<Mesh> mesh = node->get_mesh();
	if (mesh.is_null()) {
		err_dialog->set_text(TTR("Mesh is empty!"));
		err_dialog->popup_centered_minsize();
		return;
	}

	switch (p_option) {
		case MENU_OPTION_CREATE_STATIC_TRIMESH_BODY:
		case MENU_OPTION_CREATE_STATIC_CONVEX_BODY: {

			bool trimesh_shape = (p_option == MENU_OPTION_CREATE_STATIC_TRIMESH_BODY);

			EditorSelection *editor_selection = EditorNode::get_singleton()->get_editor_selection();
			UndoRedo *ur = EditorNode::get_singleton()->get_undo_redo();

			List<Node *> selection = editor_selection->get_selected_node_list();

			if (selection.empty()) {
				Ref<Shape> shape = trimesh_shape ? mesh->create_trimesh_shape() : mesh->create_convex_shape();
				if (shape.is_null())
					return;

				CollisionShape *cshape = memnew(CollisionShape);
				cshape->set_shape(shape);
				StaticBody *body = memnew(StaticBody);
				body->add_child(cshape);

				Node *owner = node == get_tree()->get_edited_scene_root() ? node : node->get_owner();

				if (trimesh_shape)
					ur->create_action(TTR("Create Static Trimesh Body"));
				else
					ur->create_action(TTR("Create Static Convex Body"));

				ur->add_do_method(node, "add_child", body);
				ur->add_do_method(body, "set_owner", owner);
				ur->add_do_method(cshape, "set_owner", owner);
				ur->add_do_reference(body);
				ur->add_undo_method(node, "remove_child", body);
				ur->commit_action();
				return;
			}

			if (trimesh_shape)
				ur->create_action(TTR("Create Static Trimesh Body"));
			else
				ur->create_action(TTR("Create Static Convex Body"));

			for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {

				MeshInstance *instance = E->get()->cast_to<MeshInstance>();
				if (!instance)
					continue;

				Ref<Mesh> m = instance->get_mesh();
				if (m.is_null())
					continue;

				Ref<Shape> shape = trimesh_shape ? m->create_trimesh_shape() : m->create_convex_shape();
				if (shape.is_null())
					continue;

				CollisionShape *cshape = memnew(CollisionShape);
				cshape->set_shape(shape);
				StaticBody *body = memnew(StaticBody);
				body->add_child(cshape);

				Node *owner = instance == get_tree()->get_edited_scene_root() ? instance : instance->get_owner();

				ur->add_do_method(instance, "add_child", body);
				ur->add_do_method(body, "set_owner", owner);
				ur->add_do_method(cshape, "set_owner", owner);
				ur->add_do_reference(body);
				ur->add_undo_method(instance, "remove_child", body);
			}

			ur->commit_action();

		} break;

		case MENU_OPTION_CREATE_TRIMESH_COLLISION_SHAPE:
		case MENU_OPTION_CREATE_CONVEX_COLLISION_SHAPE: {

			if (node == get_tree()->get_edited_scene_root()) {
				err_dialog->set_text(TTR("This doesn't work on scene root!"));
				err_dialog->popup_centered_minsize();
				return;
			}

			bool trimesh_shape = (p_option == MENU_OPTION_CREATE_TRIMESH_COLLISION_SHAPE);

			Ref<Shape> shape = trimesh_shape ? mesh->create_trimesh_shape() : mesh->create_convex_shape();
			if (shape.is_null())
				return;

			CollisionShape *cshape = memnew(CollisionShape);
			cshape->set_shape(shape);
//.........这里部分代码省略.........