C++ RID函数代码示例

bool VisualServerViewport::free(RID p_rid) {

	if (viewport_owner.owns(p_rid)) {

		Viewport *viewport = viewport_owner.getornull(p_rid);

		VSG::storage->free(viewport->render_target);
		VSG::scene_render->free(viewport->shadow_atlas);

		while (viewport->canvas_map.front()) {
			viewport_remove_canvas(p_rid, viewport->canvas_map.front()->key());
		}

		viewport_set_scenario(p_rid, RID());
		active_viewports.erase(viewport);

		viewport_owner.free(p_rid);
		memdelete(viewport);

		return true;
	}

	return false;
}

void RasterizerCanvasGLES2::canvas_render_items(Item *p_item_list, int p_z, const Color &p_modulate, Light *p_light, const Transform2D &p_base_transform) {

	Item *current_clip = NULL;

	RasterizerStorageGLES2::Shader *shader_cache = NULL;

	bool rebind_shader = true;

	state.current_tex = RID();
	state.current_tex_ptr = NULL;
	state.current_normal = RID();

	glActiveTexture(GL_TEXTURE0);
	glBindTexture(GL_TEXTURE_2D, storage->resources.white_tex);

	int last_blend_mode = -1;

	RID canvas_last_material = RID();

	while (p_item_list) {

		Item *ci = p_item_list;

		if (current_clip != ci->final_clip_owner) {

			current_clip = ci->final_clip_owner;

			if (current_clip) {
				glEnable(GL_SCISSOR_TEST);
				int y = storage->frame.current_rt->height - (current_clip->final_clip_rect.position.y + current_clip->final_clip_rect.size.y);
				if (storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_VFLIP])
					y = current_clip->final_clip_rect.position.y;
				glScissor(current_clip->final_clip_rect.position.x, y, current_clip->final_clip_rect.size.width, current_clip->final_clip_rect.size.height);
			} else {
				glDisable(GL_SCISSOR_TEST);
			}
		}

		// TODO: copy back buffer

		if (ci->copy_back_buffer) {
			if (ci->copy_back_buffer->full) {
				_copy_texscreen(Rect2());
			} else {
				_copy_texscreen(ci->copy_back_buffer->rect);
			}
		}

		Item *material_owner = ci->material_owner ? ci->material_owner : ci;

		RID material = material_owner->material;
		RasterizerStorageGLES2::Material *material_ptr = storage->material_owner.getornull(material);

		if (material != canvas_last_material || rebind_shader) {

			RasterizerStorageGLES2::Shader *shader_ptr = NULL;

			if (material_ptr) {
				shader_ptr = material_ptr->shader;

				if (shader_ptr && shader_ptr->mode != VS::SHADER_CANVAS_ITEM) {
					shader_ptr = NULL; // not a canvas item shader, don't use.
				}
			}

			if (shader_ptr) {
				if (shader_ptr->canvas_item.uses_screen_texture) {
					_copy_texscreen(Rect2());
				}

				if (shader_ptr != shader_cache) {

					if (shader_ptr->canvas_item.uses_time) {
						VisualServerRaster::redraw_request();
					}

					state.canvas_shader.set_custom_shader(shader_ptr->custom_code_id);
					state.canvas_shader.bind();
				}

				int tc = material_ptr->textures.size();
				Pair<StringName, RID> *textures = material_ptr->textures.ptrw();

				ShaderLanguage::ShaderNode::Uniform::Hint *texture_hints = shader_ptr->texture_hints.ptrw();

				for (int i = 0; i < tc; i++) {

					glActiveTexture(GL_TEXTURE0 + i);

					RasterizerStorageGLES2::Texture *t = storage->texture_owner.getornull(textures[i].second);

					if (!t) {

						switch (texture_hints[i]) {
							case ShaderLanguage::ShaderNode::Uniform::HINT_BLACK_ALBEDO:
							case ShaderLanguage::ShaderNode::Uniform::HINT_BLACK: {
								glBindTexture(GL_TEXTURE_2D, storage->resources.black_tex);
							} break;
							case ShaderLanguage::ShaderNode::Uniform::HINT_ANISO: {
								glBindTexture(GL_TEXTURE_2D, storage->resources.aniso_tex);
//.........这里部分代码省略.........

RID RenderTargetTexture::get_rid() const{

	ERR_FAIL_COND_V(!vp,RID());
	return vp->render_target_texture_rid;
}

 static std::string dateTimezoneIniGet() {
   return RID().getTimeZone();
 }

bool VisualServerCanvas::free(RID p_rid) {

	if (canvas_owner.owns(p_rid)) {

		Canvas *canvas = canvas_owner.get(p_rid);
		ERR_FAIL_COND_V(!canvas, false);

		while (canvas->viewports.size()) {

			VisualServerViewport::Viewport *vp = VSG::viewport->viewport_owner.get(canvas->viewports.front()->get());
			ERR_FAIL_COND_V(!vp, true);

			Map<RID, VisualServerViewport::Viewport::CanvasData>::Element *E = vp->canvas_map.find(p_rid);
			ERR_FAIL_COND_V(!E, true);
			vp->canvas_map.erase(p_rid);

			canvas->viewports.erase(canvas->viewports.front());
		}

		for (int i = 0; i < canvas->child_items.size(); i++) {

			canvas->child_items[i].item->parent = RID();
		}

		for (Set<RasterizerCanvas::Light *>::Element *E = canvas->lights.front(); E; E = E->next()) {

			E->get()->canvas = RID();
		}

		for (Set<RasterizerCanvas::LightOccluderInstance *>::Element *E = canvas->occluders.front(); E; E = E->next()) {

			E->get()->canvas = RID();
		}

		canvas_owner.free(p_rid);

		memdelete(canvas);

	} else if (canvas_item_owner.owns(p_rid)) {

		Item *canvas_item = canvas_item_owner.get(p_rid);
		ERR_FAIL_COND_V(!canvas_item, true);

		if (canvas_item->parent.is_valid()) {

			if (canvas_owner.owns(canvas_item->parent)) {

				Canvas *canvas = canvas_owner.get(canvas_item->parent);
				canvas->erase_item(canvas_item);
			} else if (canvas_item_owner.owns(canvas_item->parent)) {

				Item *item_owner = canvas_item_owner.get(canvas_item->parent);
				item_owner->child_items.erase(canvas_item);
			}
		}

		for (int i = 0; i < canvas_item->child_items.size(); i++) {

			canvas_item->child_items[i]->parent = RID();
		}

		/*
		if (canvas_item->material) {
			canvas_item->material->owners.erase(canvas_item);
		}
		*/

		canvas_item_owner.free(p_rid);

		memdelete(canvas_item);

	} else if (canvas_light_owner.owns(p_rid)) {

		RasterizerCanvas::Light *canvas_light = canvas_light_owner.get(p_rid);
		ERR_FAIL_COND_V(!canvas_light, true);

		if (canvas_light->canvas.is_valid()) {
			Canvas *canvas = canvas_owner.get(canvas_light->canvas);
			if (canvas)
				canvas->lights.erase(canvas_light);
		}

		if (canvas_light->shadow_buffer.is_valid())
			VSG::storage->free(canvas_light->shadow_buffer);

		VSG::canvas_render->light_internal_free(canvas_light->light_internal);

		canvas_light_owner.free(p_rid);
		memdelete(canvas_light);

	} else if (canvas_light_occluder_owner.owns(p_rid)) {

		RasterizerCanvas::LightOccluderInstance *occluder = canvas_light_occluder_owner.get(p_rid);
		ERR_FAIL_COND_V(!occluder, true);

		if (occluder->polygon.is_valid()) {

			LightOccluderPolygon *occluder_poly = canvas_light_occluder_polygon_owner.get(occluder->polygon);
			if (occluder_poly) {
				occluder_poly->owners.erase(occluder);
//.........这里部分代码省略.........

RID LargeTexture::get_rid() const {

	return RID();
}

void FixedMaterial::set_texture(Parameter p_parameter, Ref<Texture> p_texture) {

	ERR_FAIL_INDEX(p_parameter,PARAM_MAX);

	texture_param[p_parameter]=p_texture;
	VisualServer::get_singleton()->fixed_material_set_texture(material,(VS::FixedMaterialParam)p_parameter,p_texture.is_null()?RID():p_texture->get_rid());

	_change_notify();
}

//.........这里部分代码省略.........

			if (array_type->eklass == CACHED_CLASS_RAW(String))
				SET_FROM_ARRAY_AND_BREAK(PoolStringArray);

			if (array_type->eklass == CACHED_CLASS_RAW(Vector2))
				SET_FROM_ARRAY_AND_BREAK(PoolVector2Array);

			if (array_type->eklass == CACHED_CLASS_RAW(Vector3))
				SET_FROM_ARRAY_AND_BREAK(PoolVector3Array);

			if (array_type->eklass == CACHED_CLASS_RAW(Color))
				SET_FROM_ARRAY_AND_BREAK(PoolColorArray);

			ERR_EXPLAIN(String() + "Attempted to convert Variant to a managed array of unmarshallable element type.");
			ERR_FAIL();
		} break;

		case MONO_TYPE_CLASS: {
			GDMonoClass *type_class = type.type_class;

			// GodotObject
			if (CACHED_CLASS(GodotObject)->is_assignable_from(type_class)) {
				MonoObject *managed = GDMonoUtils::unmanaged_get_managed(p_value.operator Object *());
				mono_field_set_value(p_object, mono_field, managed);
				break;
			}

			if (CACHED_CLASS(NodePath) == type_class) {
				MonoObject *managed = GDMonoUtils::create_managed_from(p_value.operator NodePath());
				mono_field_set_value(p_object, mono_field, managed);
				break;
			}

			if (CACHED_CLASS(RID) == type_class) {
				MonoObject *managed = GDMonoUtils::create_managed_from(p_value.operator RID());
				mono_field_set_value(p_object, mono_field, managed);
				break;
			}

			ERR_EXPLAIN(String() + "Attempted to set the value of a field of unmarshallable type: " + type_class->get_name());
			ERR_FAIL();
		} break;

		case MONO_TYPE_OBJECT: {
			// Variant
			switch (p_value.get_type()) {
				case Variant::BOOL: {
					SET_FROM_PRIMITIVE(bool);
				} break;
				case Variant::INT: {
					SET_FROM_PRIMITIVE(int);
				} break;
				case Variant::REAL: {
#ifdef REAL_T_IS_DOUBLE
					SET_FROM_PRIMITIVE(double);
#else
					SET_FROM_PRIMITIVE(float);
#endif
				} break;
				case Variant::STRING: {
					MonoString *mono_string = GDMonoMarshal::mono_string_from_godot(p_value);
					mono_field_set_value(p_object, mono_field, mono_string);
				} break;
				case Variant::VECTOR2: SET_FROM_STRUCT_AND_BREAK(Vector2);
				case Variant::RECT2: SET_FROM_STRUCT_AND_BREAK(Rect2);
				case Variant::VECTOR3: SET_FROM_STRUCT_AND_BREAK(Vector3);

void VisualServerViewport::draw_viewports() {
	// get our arvr interface in case we need it
	Ref<ARVRInterface> arvr_interface = ARVRServer::get_singleton()->get_primary_interface();
	if (arvr_interface.is_valid()) {
		// update our positioning information as late as possible...
		arvr_interface->process();
	}

	clear_color = GLOBAL_GET("rendering/environment/default_clear_color");

	//sort viewports
	active_viewports.sort_custom<ViewportSort>();

	//draw viewports
	for (int i = 0; i < active_viewports.size(); i++) {

		Viewport *vp = active_viewports[i];

		if (vp->update_mode == VS::VIEWPORT_UPDATE_DISABLED)
			continue;

		ERR_CONTINUE(!vp->render_target.is_valid());

		bool visible = vp->viewport_to_screen_rect != Rect2() || vp->update_mode == VS::VIEWPORT_UPDATE_ALWAYS || vp->update_mode == VS::VIEWPORT_UPDATE_ONCE || (vp->update_mode == VS::VIEWPORT_UPDATE_WHEN_VISIBLE && VSG::storage->render_target_was_used(vp->render_target));
		visible = visible && vp->size.x > 0 && vp->size.y > 0;

		if (!visible)
			continue;

		VSG::storage->render_target_clear_used(vp->render_target);

		if (vp->use_arvr && arvr_interface.is_valid()) {
			// override our size, make sure it matches our required size
			Size2 size = arvr_interface->get_recommended_render_targetsize();
			VSG::storage->render_target_set_size(vp->render_target, size.x, size.y);

			// render mono or left eye first
			ARVRInterface::Eyes leftOrMono = arvr_interface->is_stereo() ? ARVRInterface::EYE_LEFT : ARVRInterface::EYE_MONO;
			VSG::rasterizer->set_current_render_target(vp->render_target);
			_draw_viewport(vp, leftOrMono);
			arvr_interface->commit_for_eye(leftOrMono, vp->render_target, vp->viewport_to_screen_rect);

			// render right eye
			if (leftOrMono == ARVRInterface::EYE_LEFT) {
				// commit for eye may have changed the render target
				VSG::rasterizer->set_current_render_target(vp->render_target);

				_draw_viewport(vp, ARVRInterface::EYE_RIGHT);
				arvr_interface->commit_for_eye(ARVRInterface::EYE_RIGHT, vp->render_target, vp->viewport_to_screen_rect);
			}
		} else {
			VSG::rasterizer->set_current_render_target(vp->render_target);

			VSG::scene_render->set_debug_draw_mode(vp->debug_draw);
			VSG::storage->render_info_begin_capture();

			// render standard mono camera
			_draw_viewport(vp);

			VSG::storage->render_info_end_capture();
			vp->render_info[VS::VIEWPORT_RENDER_INFO_OBJECTS_IN_FRAME] = VSG::storage->get_captured_render_info(VS::INFO_OBJECTS_IN_FRAME);
			vp->render_info[VS::VIEWPORT_RENDER_INFO_VERTICES_IN_FRAME] = VSG::storage->get_captured_render_info(VS::INFO_VERTICES_IN_FRAME);
			vp->render_info[VS::VIEWPORT_RENDER_INFO_MATERIAL_CHANGES_IN_FRAME] = VSG::storage->get_captured_render_info(VS::INFO_MATERIAL_CHANGES_IN_FRAME);
			vp->render_info[VS::VIEWPORT_RENDER_INFO_SHADER_CHANGES_IN_FRAME] = VSG::storage->get_captured_render_info(VS::INFO_SHADER_CHANGES_IN_FRAME);
			vp->render_info[VS::VIEWPORT_RENDER_INFO_SURFACE_CHANGES_IN_FRAME] = VSG::storage->get_captured_render_info(VS::INFO_SURFACE_CHANGES_IN_FRAME);
			vp->render_info[VS::VIEWPORT_RENDER_INFO_DRAW_CALLS_IN_FRAME] = VSG::storage->get_captured_render_info(VS::INFO_DRAW_CALLS_IN_FRAME);

			if (vp->viewport_to_screen_rect != Rect2()) {
				//copy to screen if set as such
				VSG::rasterizer->set_current_render_target(RID());
				VSG::rasterizer->blit_render_target_to_screen(vp->render_target, vp->viewport_to_screen_rect, vp->viewport_to_screen);
			}
		}

		if (vp->update_mode == VS::VIEWPORT_UPDATE_ONCE) {
			vp->update_mode = VS::VIEWPORT_UPDATE_DISABLED;
		}
		VSG::scene_render->set_debug_draw_mode(VS::VIEWPORT_DEBUG_DRAW_DISABLED);
	}
}

void SoftBody::_notification(int p_what) {
	switch (p_what) {
		case NOTIFICATION_ENTER_WORLD: {

			if (Engine::get_singleton()->is_editor_hint()) {

				add_change_receptor(this);
			}

			RID space = get_world()->get_space();
			PhysicsServer::get_singleton()->soft_body_set_space(physics_rid, space);
			update_physics_server();
		} break;
		case NOTIFICATION_READY: {
			if (!parent_collision_ignore.is_empty())
				add_collision_exception_with(get_node(parent_collision_ignore));

		} break;
		case NOTIFICATION_TRANSFORM_CHANGED: {

			if (Engine::get_singleton()->is_editor_hint()) {
				_reset_points_offsets();
				return;
			}

			PhysicsServer::get_singleton()->soft_body_set_transform(physics_rid, get_global_transform());

			set_notify_transform(false);
			// Required to be top level with Transform at center of world in order to modify VisualServer only to support custom Transform
			set_as_toplevel(true);
			set_transform(Transform());
			set_notify_transform(true);

		} break;
		case NOTIFICATION_INTERNAL_PHYSICS_PROCESS: {

			if (!simulation_started)
				return;

			_update_cache_pin_points_datas();
			// Submit bone attachment
			const int pinned_points_indices_size = pinned_points.size();
			PoolVector<PinnedPoint>::Read r = pinned_points.read();
			for (int i = 0; i < pinned_points_indices_size; ++i) {
				if (r[i].spatial_attachment) {
					PhysicsServer::get_singleton()->soft_body_move_point(physics_rid, r[i].point_index, r[i].spatial_attachment->get_global_transform().xform(r[i].offset));
				}
			}
		} break;
		case NOTIFICATION_VISIBILITY_CHANGED: {

			_update_pickable();

		} break;
		case NOTIFICATION_EXIT_WORLD: {

			PhysicsServer::get_singleton()->soft_body_set_space(physics_rid, RID());

		} break;
	}

#ifdef TOOLS_ENABLED

	if (p_what == NOTIFICATION_LOCAL_TRANSFORM_CHANGED) {
		if (Engine::get_singleton()->is_editor_hint()) {
			update_configuration_warning();
		}
	}

#endif
}

SuppressHackArrCompatNotices::~SuppressHackArrCompatNotices() {
  RID().setSuppressHackArrayCompatNotices(old);
}

void raise_hackarr_compat_notice(const std::string& msg) {
  if (UNLIKELY(RID().getSuppressHackArrayCompatNotices())) return;
  raise_notice("Hack Array Compat: %s", msg.c_str());
}

void raise_intish_index_cast() {
  if (UNLIKELY(RID().getSuppressHackArrayCompatNotices())) return;
  raise_notice("Hack Array Compat: Intish index cast");
}

void GeometryInstance::set_material_override(const Ref<Material>& p_material) {

	material_override=p_material;
	VS::get_singleton()->instance_geometry_set_material_override(get_instance(),p_material.is_valid() ? p_material->get_rid() : RID());
}

void GridMap::_update_areas() {

	//clear the portals
	for (Map<int, Area *>::Element *E = area_map.front(); E; E = E->next()) {
		//this should somehow be faster...
		Area &a = *E->get();
		a.portals.clear();
		if (a.instance.is_valid()) {
			VisualServer::get_singleton()->free(a.instance);
			a.instance = RID();
		}
	}

	//test all areas against all areas and create portals - this sucks (slow :( )
	for (Map<int, Area *>::Element *E = area_map.front(); E; E = E->next()) {
		Area &a = *E->get();
		if (a.exterior_portal) //that's pretty much all it does... yes it is
			continue;
		Vector3 from_a(a.from.x, a.from.y, a.from.z);
		Vector3 to_a(a.to.x, a.to.y, a.to.z);

		for (Map<int, Area *>::Element *F = area_map.front(); F; F = F->next()) {

			Area &b = *F->get();
			Vector3 from_b(b.from.x, b.from.y, b.from.z);
			Vector3 to_b(b.to.x, b.to.y, b.to.z);

			// initially test intersection and discards
			int axis = -1;
			float sign = 0;
			bool valid = true;
			Vector3 axmin, axmax;

			for (int i = 0; i < 3; i++) {

				if (from_a[i] == to_b[i]) {

					if (axis != -1) {
						valid = false;
						break;
					}

					axis = i;
					sign = -1;
				} else if (from_b[i] == to_a[i]) {

					if (axis != -1) {
						valid = false;
						break;
					}
					axis = i;
					sign = +1;
				}

				if (from_a[i] > to_b[i] || to_a[i] < from_b[i]) {
					valid = false;
					break;
				} else {

					axmin[i] = (from_a[i] > from_b[i]) ? from_a[i] : from_b[i];
					axmax[i] = (to_a[i] < to_b[i]) ? to_a[i] : to_b[i];
				}
			}

			if (axis == -1 || !valid)
				continue;

			Transform xf;

			for (int i = 0; i < 3; i++) {

				int ax = (axis + i) % 3;
				Vector3 axis_vec;
				float scale = (i == 0) ? sign : ((axmax[ax] - axmin[ax]) * cell_size);
				axis_vec[ax] = scale;
				xf.basis.set_axis((2 + i) % 3, axis_vec);
				xf.origin[i] = axmin[i] * cell_size;
			}

			Area::Portal portal;
			portal.xform = xf;
			a.portals.push_back(portal);
		}
	}

	_update_area_instances();
}