C++ MeshInstance::get_mesh方法代码示例

void GIProbe::_find_meshes(Node *p_at_node,Baker *p_baker){

	MeshInstance *mi = p_at_node->cast_to<MeshInstance>();
	if (mi && mi->get_flag(GeometryInstance::FLAG_USE_BAKED_LIGHT)) {
		Ref<Mesh> mesh = mi->get_mesh();
		if (mesh.is_valid()) {

			Rect3 aabb = mesh->get_aabb();

			Transform xf = get_global_transform().affine_inverse() * mi->get_global_transform();

			if (Rect3(-extents,extents*2).intersects(xf.xform(aabb))) {
				Baker::PlotMesh pm;
				pm.local_xform=xf;
				pm.mesh=mesh;
				for(int i=0;i<mesh->get_surface_count();i++) {
					pm.instance_materials.push_back(mi->get_surface_material(i));
				}
				pm.override_material=mi->get_material_override();
				p_baker->mesh_list.push_back(pm);

			}
		}
	}

	for(int i=0;i<p_at_node->get_child_count();i++) {

		Node *child = p_at_node->get_child(i);
		if (!child->get_owner())
			continue; //maybe a helper

		_find_meshes(child,p_baker);

	}
}

void CollisionShape::make_convex_from_brothers() {

	Node *p = get_parent();
	if (!p)
		return;

	for (int i = 0; i < p->get_child_count(); i++) {

		Node *n = p->get_child(i);
		MeshInstance *mi = Object::cast_to<MeshInstance>(n);
		if (mi) {

			Ref<Mesh> m = mi->get_mesh();
			if (m.is_valid()) {

				Ref<Shape> s = m->create_convex_shape();
				set_shape(s);
			}
		}
	}
}

Node* EditorSceneImportPlugin::_fix_node(Node *p_node,Node *p_root,Map<Ref<Mesh>,Ref<Shape> > &collision_map,uint32_t p_flags,Set<Ref<ImageTexture> >& image_map) {

	// children first..
	for(int i=0;i<p_node->get_child_count();i++) {


		Node *r = _fix_node(p_node->get_child(i),p_root,collision_map,p_flags,image_map);
		if (!r) {
			print_line("was erased..");
			i--; //was erased
		}
	}

	String name = p_node->get_name();

	bool isroot = p_node==p_root;


	if (!isroot && p_flags&SCENE_FLAG_REMOVE_NOIMP && _teststr(name,"noimp")) {

		memdelete(p_node);
		return NULL;
	}

	{

		List<PropertyInfo> pl;
		p_node->get_property_list(&pl);
		for(List<PropertyInfo>::Element *E=pl.front();E;E=E->next()) {

			if (E->get().type==Variant::OBJECT || E->get().type==Variant::ARRAY || E->get().type==Variant::DICTIONARY) {
				_find_resources(p_node->get(E->get().name),image_map);
			}
		}

	}




	if (p_flags&SCENE_FLAG_CREATE_BILLBOARDS && p_node->cast_to<MeshInstance>()) {

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

		bool bb=false;

		if ((_teststr(name,"bb"))) {
			bb=true;
		} else if (mi->get_mesh().is_valid() && (_teststr(mi->get_mesh()->get_name(),"bb"))) {
			bb=true;

		}

		if (bb) {
			mi->set_flag(GeometryInstance::FLAG_BILLBOARD,true);
			if (mi->get_mesh().is_valid()) {

				Ref<Mesh> m = mi->get_mesh();
				for(int i=0;i<m->get_surface_count();i++) {

					Ref<FixedMaterial> fm = m->surface_get_material(i);
					if (fm.is_valid()) {
						fm->set_flag(Material::FLAG_UNSHADED,true);
						fm->set_flag(Material::FLAG_DOUBLE_SIDED,true);
						fm->set_hint(Material::HINT_NO_DEPTH_DRAW,true);
						fm->set_fixed_flag(FixedMaterial::FLAG_USE_ALPHA,true);
					}
				}
			}
		}
	}

	if (p_flags&SCENE_FLAG_REMOVE_NOIMP && p_node->cast_to<AnimationPlayer>()) {
		//remove animations referencing non-importable nodes
		AnimationPlayer *ap = p_node->cast_to<AnimationPlayer>();

		List<StringName> anims;
		ap->get_animation_list(&anims);
		for(List<StringName>::Element *E=anims.front();E;E=E->next()) {

			Ref<Animation> anim=ap->get_animation(E->get());
			ERR_CONTINUE(anim.is_null());
			for(int i=0;i<anim->get_track_count();i++) {
				NodePath path = anim->track_get_path(i);

				for(int j=0;j<path.get_name_count();j++) {
					String node = path.get_name(j);
					if (_teststr(node,"noimp")) {
						anim->remove_track(i);
						i--;
						break;
					}
				}
			}

		}
	}


	if (p_flags&SCENE_FLAG_CREATE_IMPOSTORS && p_node->cast_to<MeshInstance>()) {
//.........这里部分代码省略.........

void MeshLibraryEditor::_import_scene(Node *p_scene, Ref<MeshLibrary> p_library, bool p_merge) {

	if (!p_merge)
		p_library->clear();


	 for(int i=0;i<p_scene->get_child_count();i++) {


		Node *child = p_scene->get_child(i);

		if (!child->cast_to<MeshInstance>()) {
			if (child->get_child_count()>0) {
				child=child->get_child(0);
				if (!child->cast_to<MeshInstance>()) {
					continue;
				}

			} else
				continue;


		}

		MeshInstance *mi = child->cast_to<MeshInstance>();
		Ref<Mesh> mesh=mi->get_mesh();
		if (mesh.is_null())
			 continue;

		int id = p_library->find_item_name(mi->get_name());
		if (id<0) {

			id=p_library->get_last_unused_item_id();
			p_library->create_item(id);
			p_library->set_item_name(id,mi->get_name());
		}


		p_library->set_item_mesh(id,mesh);

		Ref<Shape> collision;

		for(int j=0;j<mi->get_child_count();j++) {
#if 1
			Node *child2 = mi->get_child(j);
			if (!child2->cast_to<StaticBody>())
				continue;
			StaticBody *sb = child2->cast_to<StaticBody>();
			if (sb->get_shape_count()==0)
				continue;
			collision=sb->get_shape(0);
			if (!collision.is_null())
				break;
#endif
		}

		if (!collision.is_null()) {

			p_library->set_item_shape(id,collision);
		}

	 }


	 //generate previews!

	 if (1) {
		 Vector<int> ids = p_library->get_item_list();
		 RID vp = VS::get_singleton()->viewport_create();
		 VS::ViewportRect vr;
		 vr.x=0;
		 vr.y=0;
		 vr.width=EditorSettings::get_singleton()->get("grid_map/preview_size");
		 vr.height=EditorSettings::get_singleton()->get("grid_map/preview_size");
		 VS::get_singleton()->viewport_set_rect(vp,vr);
		 VS::get_singleton()->viewport_set_as_render_target(vp,true);
		 VS::get_singleton()->viewport_set_render_target_update_mode(vp,VS::RENDER_TARGET_UPDATE_ALWAYS);
		 RID scen = VS::get_singleton()->scenario_create();
		 VS::get_singleton()->viewport_set_scenario(vp,scen);
		 RID cam = VS::get_singleton()->camera_create();
		 VS::get_singleton()->camera_set_transform(cam, Transform() );
		 VS::get_singleton()->viewport_attach_camera(vp,cam);
		 RID light = VS::get_singleton()->light_create(VS::LIGHT_DIRECTIONAL);
		 RID lightinst = VS::get_singleton()->instance_create2(light,scen);
		 VS::get_singleton()->camera_set_orthogonal(cam,1.0,0.01,1000.0);


		 EditorProgress ep("mlib","Creating Mesh Library",ids.size());

		 for(int i=0;i<ids.size();i++) {

			int id=ids[i];
			Ref<Mesh> mesh = p_library->get_item_mesh(id);
			if (!mesh.is_valid())
				continue;
			AABB aabb= mesh->get_aabb();
			print_line("aabb: "+aabb);
			Vector3 ofs = aabb.pos + aabb.size*0.5;
			aabb.pos-=ofs;
			Transform xform;
//.........这里部分代码省略.........

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.........

void BakedLightmap::_find_meshes_and_lights(Node *p_at_node, List<PlotMesh> &plot_meshes, List<PlotLight> &plot_lights) {

	MeshInstance *mi = Object::cast_to<MeshInstance>(p_at_node);
	if (mi && mi->get_flag(GeometryInstance::FLAG_USE_BAKED_LIGHT) && mi->is_visible_in_tree()) {
		Ref<Mesh> mesh = mi->get_mesh();
		if (mesh.is_valid()) {

			bool all_have_uv2 = true;
			for (int i = 0; i < mesh->get_surface_count(); i++) {
				if (!(mesh->surface_get_format(i) & Mesh::ARRAY_FORMAT_TEX_UV2)) {
					all_have_uv2 = false;
					break;
				}
			}

			if (all_have_uv2 && mesh->get_lightmap_size_hint() != Size2()) {
				//READY TO BAKE! size hint could be computed if not found, actually..

				AABB aabb = mesh->get_aabb();

				Transform xf = get_global_transform().affine_inverse() * mi->get_global_transform();

				if (AABB(-extents, extents * 2).intersects(xf.xform(aabb))) {
					PlotMesh pm;
					pm.local_xform = xf;
					pm.mesh = mesh;
					pm.path = get_path_to(mi);
					pm.instance_idx = -1;
					for (int i = 0; i < mesh->get_surface_count(); i++) {
						pm.instance_materials.push_back(mi->get_surface_material(i));
					}
					pm.override_material = mi->get_material_override();
					plot_meshes.push_back(pm);
				}
			}
		}
	}

	Spatial *s = Object::cast_to<Spatial>(p_at_node);

	if (!mi && s) {
		Array meshes = p_at_node->call("get_bake_meshes");
		if (meshes.size() && (meshes.size() & 1) == 0) {
			Transform xf = get_global_transform().affine_inverse() * s->get_global_transform();
			for (int i = 0; i < meshes.size(); i += 2) {
				PlotMesh pm;
				Transform mesh_xf = meshes[i + 1];
				pm.local_xform = xf * mesh_xf;
				pm.mesh = meshes[i];
				pm.instance_idx = i / 2;
				if (!pm.mesh.is_valid())
					continue;
				pm.path = get_path_to(s);
				plot_meshes.push_back(pm);
			}
		}
	}

	Light *light = Object::cast_to<Light>(p_at_node);

	if (light && light->get_bake_mode() != Light::BAKE_DISABLED) {
		PlotLight pl;
		Transform xf = get_global_transform().affine_inverse() * light->get_global_transform();

		pl.local_xform = xf;
		pl.light = light;
		plot_lights.push_back(pl);
	}
	for (int i = 0; i < p_at_node->get_child_count(); i++) {

		Node *child = p_at_node->get_child(i);
		if (!child->get_owner())
			continue; //maybe a helper

		_find_meshes_and_lights(child, plot_meshes, plot_lights);
	}
}