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357 lines
13 KiB
C++
357 lines
13 KiB
C++
/**************************************************************************/
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/* navigation_link_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 "navigation_link_2d.h"
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#include "core/math/geometry_2d.h"
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#include "scene/resources/world_2d.h"
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#include "servers/navigation_server_2d.h"
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#include "servers/navigation_server_3d.h"
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void NavigationLink2D::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_enabled", "enabled"), &NavigationLink2D::set_enabled);
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ClassDB::bind_method(D_METHOD("is_enabled"), &NavigationLink2D::is_enabled);
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ClassDB::bind_method(D_METHOD("set_bidirectional", "bidirectional"), &NavigationLink2D::set_bidirectional);
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ClassDB::bind_method(D_METHOD("is_bidirectional"), &NavigationLink2D::is_bidirectional);
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ClassDB::bind_method(D_METHOD("set_navigation_layers", "navigation_layers"), &NavigationLink2D::set_navigation_layers);
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ClassDB::bind_method(D_METHOD("get_navigation_layers"), &NavigationLink2D::get_navigation_layers);
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ClassDB::bind_method(D_METHOD("set_navigation_layer_value", "layer_number", "value"), &NavigationLink2D::set_navigation_layer_value);
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ClassDB::bind_method(D_METHOD("get_navigation_layer_value", "layer_number"), &NavigationLink2D::get_navigation_layer_value);
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ClassDB::bind_method(D_METHOD("set_start_position", "position"), &NavigationLink2D::set_start_position);
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ClassDB::bind_method(D_METHOD("get_start_position"), &NavigationLink2D::get_start_position);
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ClassDB::bind_method(D_METHOD("set_end_position", "position"), &NavigationLink2D::set_end_position);
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ClassDB::bind_method(D_METHOD("get_end_position"), &NavigationLink2D::get_end_position);
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ClassDB::bind_method(D_METHOD("set_global_start_position", "position"), &NavigationLink2D::set_global_start_position);
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ClassDB::bind_method(D_METHOD("get_global_start_position"), &NavigationLink2D::get_global_start_position);
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ClassDB::bind_method(D_METHOD("set_global_end_position", "position"), &NavigationLink2D::set_global_end_position);
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ClassDB::bind_method(D_METHOD("get_global_end_position"), &NavigationLink2D::get_global_end_position);
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ClassDB::bind_method(D_METHOD("set_enter_cost", "enter_cost"), &NavigationLink2D::set_enter_cost);
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ClassDB::bind_method(D_METHOD("get_enter_cost"), &NavigationLink2D::get_enter_cost);
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ClassDB::bind_method(D_METHOD("set_travel_cost", "travel_cost"), &NavigationLink2D::set_travel_cost);
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ClassDB::bind_method(D_METHOD("get_travel_cost"), &NavigationLink2D::get_travel_cost);
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "enabled"), "set_enabled", "is_enabled");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "bidirectional"), "set_bidirectional", "is_bidirectional");
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ADD_PROPERTY(PropertyInfo(Variant::INT, "navigation_layers", PROPERTY_HINT_LAYERS_2D_NAVIGATION), "set_navigation_layers", "get_navigation_layers");
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ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "start_position"), "set_start_position", "get_start_position");
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ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "end_position"), "set_end_position", "get_end_position");
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ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "enter_cost"), "set_enter_cost", "get_enter_cost");
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ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "travel_cost"), "set_travel_cost", "get_travel_cost");
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}
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#ifndef DISABLE_DEPRECATED
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bool NavigationLink2D::_set(const StringName &p_name, const Variant &p_value) {
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if (p_name == "start_location") {
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set_start_position(p_value);
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return true;
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}
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if (p_name == "end_location") {
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set_end_position(p_value);
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return true;
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}
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return false;
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}
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bool NavigationLink2D::_get(const StringName &p_name, Variant &r_ret) const {
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if (p_name == "start_location") {
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r_ret = get_start_position();
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return true;
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}
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if (p_name == "end_location") {
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r_ret = get_end_position();
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return true;
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}
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return false;
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}
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#endif // DISABLE_DEPRECATED
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void NavigationLink2D::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_ENTER_TREE: {
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if (enabled) {
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NavigationServer2D::get_singleton()->link_set_map(link, get_world_2d()->get_navigation_map());
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}
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current_global_transform = get_global_transform();
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NavigationServer2D::get_singleton()->link_set_start_position(link, current_global_transform.xform(start_position));
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NavigationServer2D::get_singleton()->link_set_end_position(link, current_global_transform.xform(end_position));
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} break;
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case NOTIFICATION_TRANSFORM_CHANGED: {
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set_physics_process_internal(true);
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} break;
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case NOTIFICATION_INTERNAL_PHYSICS_PROCESS: {
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set_physics_process_internal(false);
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if (is_inside_tree()) {
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Transform2D new_global_transform = get_global_transform();
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if (current_global_transform != new_global_transform) {
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current_global_transform = new_global_transform;
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NavigationServer2D::get_singleton()->link_set_start_position(link, current_global_transform.xform(start_position));
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NavigationServer2D::get_singleton()->link_set_end_position(link, current_global_transform.xform(end_position));
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queue_redraw();
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}
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}
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} break;
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case NOTIFICATION_EXIT_TREE: {
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NavigationServer2D::get_singleton()->link_set_map(link, RID());
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} break;
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case NOTIFICATION_DRAW: {
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#ifdef DEBUG_ENABLED
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if (is_inside_tree() && (Engine::get_singleton()->is_editor_hint() || NavigationServer2D::get_singleton()->get_debug_enabled())) {
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Color color;
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if (enabled) {
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color = NavigationServer2D::get_singleton()->get_debug_navigation_link_connection_color();
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} else {
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color = NavigationServer2D::get_singleton()->get_debug_navigation_link_connection_disabled_color();
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}
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real_t radius = NavigationServer2D::get_singleton()->map_get_link_connection_radius(get_world_2d()->get_navigation_map());
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draw_line(get_start_position(), get_end_position(), color);
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draw_arc(get_start_position(), radius, 0, Math_TAU, 10, color);
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draw_arc(get_end_position(), radius, 0, Math_TAU, 10, color);
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}
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#endif // DEBUG_ENABLED
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} break;
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}
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}
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#ifdef TOOLS_ENABLED
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Rect2 NavigationLink2D::_edit_get_rect() const {
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if (!is_inside_tree()) {
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return Rect2();
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}
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real_t radius = NavigationServer2D::get_singleton()->map_get_link_connection_radius(get_world_2d()->get_navigation_map());
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Rect2 rect(get_start_position(), Size2());
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rect.expand_to(get_end_position());
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rect.grow_by(radius);
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return rect;
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}
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bool NavigationLink2D::_edit_is_selected_on_click(const Point2 &p_point, double p_tolerance) const {
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Point2 segment[2] = { get_start_position(), get_end_position() };
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Vector2 closest_point = Geometry2D::get_closest_point_to_segment(p_point, segment);
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return p_point.distance_to(closest_point) < p_tolerance;
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}
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#endif // TOOLS_ENABLED
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void NavigationLink2D::set_enabled(bool p_enabled) {
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if (enabled == p_enabled) {
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return;
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}
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enabled = p_enabled;
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NavigationServer3D::get_singleton()->link_set_enabled(link, enabled);
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#ifdef DEBUG_ENABLED
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if (Engine::get_singleton()->is_editor_hint() || NavigationServer2D::get_singleton()->get_debug_enabled()) {
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queue_redraw();
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}
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#endif // DEBUG_ENABLED
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}
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void NavigationLink2D::set_bidirectional(bool p_bidirectional) {
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if (bidirectional == p_bidirectional) {
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return;
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}
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bidirectional = p_bidirectional;
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NavigationServer2D::get_singleton()->link_set_bidirectional(link, bidirectional);
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}
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void NavigationLink2D::set_navigation_layers(uint32_t p_navigation_layers) {
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if (navigation_layers == p_navigation_layers) {
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return;
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}
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navigation_layers = p_navigation_layers;
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NavigationServer2D::get_singleton()->link_set_navigation_layers(link, navigation_layers);
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}
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void NavigationLink2D::set_navigation_layer_value(int p_layer_number, bool p_value) {
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ERR_FAIL_COND_MSG(p_layer_number < 1, "Navigation layer number must be between 1 and 32 inclusive.");
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ERR_FAIL_COND_MSG(p_layer_number > 32, "Navigation layer number must be between 1 and 32 inclusive.");
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uint32_t _navigation_layers = get_navigation_layers();
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if (p_value) {
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_navigation_layers |= 1 << (p_layer_number - 1);
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} else {
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_navigation_layers &= ~(1 << (p_layer_number - 1));
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}
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set_navigation_layers(_navigation_layers);
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}
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bool NavigationLink2D::get_navigation_layer_value(int p_layer_number) const {
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ERR_FAIL_COND_V_MSG(p_layer_number < 1, false, "Navigation layer number must be between 1 and 32 inclusive.");
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ERR_FAIL_COND_V_MSG(p_layer_number > 32, false, "Navigation layer number must be between 1 and 32 inclusive.");
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return get_navigation_layers() & (1 << (p_layer_number - 1));
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}
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void NavigationLink2D::set_start_position(Vector2 p_position) {
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if (start_position.is_equal_approx(p_position)) {
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return;
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}
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start_position = p_position;
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if (!is_inside_tree()) {
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return;
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}
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NavigationServer2D::get_singleton()->link_set_start_position(link, current_global_transform.xform(start_position));
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update_configuration_warnings();
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#ifdef DEBUG_ENABLED
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if (Engine::get_singleton()->is_editor_hint() || NavigationServer2D::get_singleton()->get_debug_enabled()) {
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queue_redraw();
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}
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#endif // DEBUG_ENABLED
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}
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void NavigationLink2D::set_end_position(Vector2 p_position) {
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if (end_position.is_equal_approx(p_position)) {
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return;
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}
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end_position = p_position;
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if (!is_inside_tree()) {
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return;
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}
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NavigationServer2D::get_singleton()->link_set_end_position(link, current_global_transform.xform(end_position));
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update_configuration_warnings();
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#ifdef DEBUG_ENABLED
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if (Engine::get_singleton()->is_editor_hint() || NavigationServer2D::get_singleton()->get_debug_enabled()) {
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queue_redraw();
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}
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#endif // DEBUG_ENABLED
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}
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void NavigationLink2D::set_global_start_position(Vector2 p_position) {
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if (is_inside_tree()) {
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set_start_position(to_local(p_position));
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} else {
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set_start_position(p_position);
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}
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}
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Vector2 NavigationLink2D::get_global_start_position() const {
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if (is_inside_tree()) {
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return to_global(start_position);
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} else {
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return start_position;
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}
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}
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void NavigationLink2D::set_global_end_position(Vector2 p_position) {
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if (is_inside_tree()) {
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set_end_position(to_local(p_position));
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} else {
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set_end_position(p_position);
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}
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}
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Vector2 NavigationLink2D::get_global_end_position() const {
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if (is_inside_tree()) {
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return to_global(end_position);
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} else {
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return end_position;
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}
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}
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void NavigationLink2D::set_enter_cost(real_t p_enter_cost) {
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ERR_FAIL_COND_MSG(p_enter_cost < 0.0, "The enter_cost must be positive.");
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if (Math::is_equal_approx(enter_cost, p_enter_cost)) {
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return;
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}
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enter_cost = p_enter_cost;
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NavigationServer2D::get_singleton()->link_set_enter_cost(link, enter_cost);
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}
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void NavigationLink2D::set_travel_cost(real_t p_travel_cost) {
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ERR_FAIL_COND_MSG(p_travel_cost < 0.0, "The travel_cost must be positive.");
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if (Math::is_equal_approx(travel_cost, p_travel_cost)) {
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return;
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}
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travel_cost = p_travel_cost;
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NavigationServer2D::get_singleton()->link_set_travel_cost(link, travel_cost);
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}
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PackedStringArray NavigationLink2D::get_configuration_warnings() const {
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PackedStringArray warnings = Node::get_configuration_warnings();
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if (start_position.is_equal_approx(end_position)) {
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warnings.push_back(RTR("NavigationLink2D start position should be different than the end position to be useful."));
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}
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return warnings;
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}
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NavigationLink2D::NavigationLink2D() {
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link = NavigationServer2D::get_singleton()->link_create();
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NavigationServer2D::get_singleton()->link_set_owner_id(link, get_instance_id());
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set_notify_transform(true);
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set_hide_clip_children(true);
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}
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NavigationLink2D::~NavigationLink2D() {
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ERR_FAIL_NULL(NavigationServer2D::get_singleton());
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NavigationServer2D::get_singleton()->free(link);
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link = RID();
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}
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