30904ed3bc
Due to the optimization in `CanvasItem`, `global_transform` is only updated when `get_global_transform()` is called, and then notify `NOTIFICATION_TRANSFORM_CHANGED`. That is, in the case where `global_transform` is not obtained, the notification will not be sent. So we use `NOTIFICATION_LOCAL_TRANSFORM_CHANGED` in this case. Use in combination to prevent certain optimizations. Same change for `RemoteTransform3D`, to prevent the same optimization from being used in `Node3D` in the future.
241 lines
8.6 KiB
C++
241 lines
8.6 KiB
C++
/**************************************************************************/
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/* remote_transform_2d.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#include "remote_transform_2d.h"
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void RemoteTransform2D::_update_cache() {
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cache = ObjectID();
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if (has_node(remote_node)) {
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Node *node = get_node(remote_node);
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if (!node || this == node || node->is_ancestor_of(this) || this->is_ancestor_of(node)) {
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return;
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}
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cache = node->get_instance_id();
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}
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}
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void RemoteTransform2D::_update_remote() {
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if (!is_inside_tree()) {
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return;
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}
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if (cache.is_null()) {
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return;
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}
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Node2D *n = Object::cast_to<Node2D>(ObjectDB::get_instance(cache));
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if (!n) {
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return;
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}
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if (!n->is_inside_tree()) {
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return;
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}
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if (!(update_remote_position || update_remote_rotation || update_remote_scale)) {
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return; // The transform data of the RemoteTransform2D is not used at all.
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}
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//todo make faster
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if (use_global_coordinates) {
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if (update_remote_position && update_remote_rotation && update_remote_scale) {
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n->set_global_transform(get_global_transform());
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return;
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}
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Transform2D n_trans = n->get_global_transform();
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Transform2D our_trans = get_global_transform();
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// There are more steps in the operation of set_rotation, so avoid calling it.
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Transform2D trans = update_remote_rotation ? our_trans : n_trans;
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if (update_remote_rotation ^ update_remote_position) {
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trans.set_origin(update_remote_position ? our_trans.get_origin() : n_trans.get_origin());
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}
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if (update_remote_rotation ^ update_remote_scale) {
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trans.set_scale(update_remote_scale ? our_trans.get_scale() : n_trans.get_scale());
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}
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n->set_global_transform(trans);
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} else {
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if (update_remote_position && update_remote_rotation && update_remote_scale) {
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n->set_transform(get_transform());
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return;
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}
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Transform2D n_trans = n->get_transform();
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Transform2D our_trans = get_transform();
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// There are more steps in the operation of set_rotation, so avoid calling it.
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Transform2D trans = update_remote_rotation ? our_trans : n_trans;
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if (update_remote_rotation ^ update_remote_position) {
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trans.set_origin(update_remote_position ? our_trans.get_origin() : n_trans.get_origin());
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}
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if (update_remote_rotation ^ update_remote_scale) {
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trans.set_scale(update_remote_scale ? our_trans.get_scale() : n_trans.get_scale());
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}
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n->set_transform(trans);
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}
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}
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void RemoteTransform2D::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_ENTER_TREE: {
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_update_cache();
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} break;
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case NOTIFICATION_LOCAL_TRANSFORM_CHANGED:
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case NOTIFICATION_TRANSFORM_CHANGED: {
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if (!is_inside_tree()) {
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break;
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}
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if (cache.is_valid()) {
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_update_remote();
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}
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} break;
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}
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}
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void RemoteTransform2D::set_remote_node(const NodePath &p_remote_node) {
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if (remote_node == p_remote_node) {
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return;
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}
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remote_node = p_remote_node;
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if (is_inside_tree()) {
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_update_cache();
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_update_remote();
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}
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update_configuration_warnings();
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}
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NodePath RemoteTransform2D::get_remote_node() const {
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return remote_node;
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}
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void RemoteTransform2D::set_use_global_coordinates(const bool p_enable) {
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if (use_global_coordinates == p_enable) {
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return;
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}
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use_global_coordinates = p_enable;
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set_notify_transform(use_global_coordinates);
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set_notify_local_transform(!use_global_coordinates);
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_update_remote();
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}
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bool RemoteTransform2D::get_use_global_coordinates() const {
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return use_global_coordinates;
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}
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void RemoteTransform2D::set_update_position(const bool p_update) {
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if (update_remote_position == p_update) {
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return;
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}
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update_remote_position = p_update;
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_update_remote();
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}
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bool RemoteTransform2D::get_update_position() const {
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return update_remote_position;
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}
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void RemoteTransform2D::set_update_rotation(const bool p_update) {
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if (update_remote_rotation == p_update) {
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return;
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}
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update_remote_rotation = p_update;
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_update_remote();
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}
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bool RemoteTransform2D::get_update_rotation() const {
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return update_remote_rotation;
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}
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void RemoteTransform2D::set_update_scale(const bool p_update) {
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if (update_remote_scale == p_update) {
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return;
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}
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update_remote_scale = p_update;
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_update_remote();
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}
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bool RemoteTransform2D::get_update_scale() const {
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return update_remote_scale;
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}
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void RemoteTransform2D::force_update_cache() {
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_update_cache();
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}
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PackedStringArray RemoteTransform2D::get_configuration_warnings() const {
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PackedStringArray warnings = Node::get_configuration_warnings();
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if (!has_node(remote_node) || !Object::cast_to<Node2D>(get_node(remote_node))) {
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warnings.push_back(RTR("Path property must point to a valid Node2D node to work."));
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}
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return warnings;
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}
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void RemoteTransform2D::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_remote_node", "path"), &RemoteTransform2D::set_remote_node);
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ClassDB::bind_method(D_METHOD("get_remote_node"), &RemoteTransform2D::get_remote_node);
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ClassDB::bind_method(D_METHOD("force_update_cache"), &RemoteTransform2D::force_update_cache);
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ClassDB::bind_method(D_METHOD("set_use_global_coordinates", "use_global_coordinates"), &RemoteTransform2D::set_use_global_coordinates);
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ClassDB::bind_method(D_METHOD("get_use_global_coordinates"), &RemoteTransform2D::get_use_global_coordinates);
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ClassDB::bind_method(D_METHOD("set_update_position", "update_remote_position"), &RemoteTransform2D::set_update_position);
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ClassDB::bind_method(D_METHOD("get_update_position"), &RemoteTransform2D::get_update_position);
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ClassDB::bind_method(D_METHOD("set_update_rotation", "update_remote_rotation"), &RemoteTransform2D::set_update_rotation);
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ClassDB::bind_method(D_METHOD("get_update_rotation"), &RemoteTransform2D::get_update_rotation);
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ClassDB::bind_method(D_METHOD("set_update_scale", "update_remote_scale"), &RemoteTransform2D::set_update_scale);
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ClassDB::bind_method(D_METHOD("get_update_scale"), &RemoteTransform2D::get_update_scale);
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ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH, "remote_path", PROPERTY_HINT_NODE_PATH_VALID_TYPES, "Node2D"), "set_remote_node", "get_remote_node");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "use_global_coordinates"), "set_use_global_coordinates", "get_use_global_coordinates");
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ADD_GROUP("Update", "update_");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "update_position"), "set_update_position", "get_update_position");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "update_rotation"), "set_update_rotation", "get_update_rotation");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "update_scale"), "set_update_scale", "get_update_scale");
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}
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RemoteTransform2D::RemoteTransform2D() {
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set_notify_transform(use_global_coordinates);
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set_notify_local_transform(!use_global_coordinates);
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set_hide_clip_children(true);
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}
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