557 lines
22 KiB
C++
557 lines
22 KiB
C++
/**************************************************************************/
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/* navigation_region_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_region_2d.h"
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#include "core/core_string_names.h"
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#include "core/math/geometry_2d.h"
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#include "scene/2d/navigation_obstacle_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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void NavigationRegion2D::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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if (!is_inside_tree()) {
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return;
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}
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if (!enabled) {
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NavigationServer2D::get_singleton()->region_set_map(region, RID());
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} else {
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NavigationServer2D::get_singleton()->region_set_map(region, get_world_2d()->get_navigation_map());
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}
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#ifdef DEBUG_ENABLED
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if (Engine::get_singleton()->is_editor_hint() || NavigationServer2D::get_singleton()->get_debug_navigation_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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bool NavigationRegion2D::is_enabled() const {
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return enabled;
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}
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void NavigationRegion2D::set_use_edge_connections(bool p_enabled) {
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if (use_edge_connections == p_enabled) {
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return;
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}
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use_edge_connections = p_enabled;
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NavigationServer2D::get_singleton()->region_set_use_edge_connections(region, use_edge_connections);
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}
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bool NavigationRegion2D::get_use_edge_connections() const {
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return use_edge_connections;
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}
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void NavigationRegion2D::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()->region_set_navigation_layers(region, navigation_layers);
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}
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uint32_t NavigationRegion2D::get_navigation_layers() const {
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return navigation_layers;
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}
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void NavigationRegion2D::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 NavigationRegion2D::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 NavigationRegion2D::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()->region_set_enter_cost(region, enter_cost);
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}
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real_t NavigationRegion2D::get_enter_cost() const {
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return enter_cost;
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}
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void NavigationRegion2D::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()->region_set_travel_cost(region, travel_cost);
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}
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real_t NavigationRegion2D::get_travel_cost() const {
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return travel_cost;
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}
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RID NavigationRegion2D::get_region_rid() const {
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return region;
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}
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#ifdef TOOLS_ENABLED
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Rect2 NavigationRegion2D::_edit_get_rect() const {
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return navigation_polygon.is_valid() ? navigation_polygon->_edit_get_rect() : Rect2();
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}
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bool NavigationRegion2D::_edit_is_selected_on_click(const Point2 &p_point, double p_tolerance) const {
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return navigation_polygon.is_valid() ? navigation_polygon->_edit_is_selected_on_click(p_point, p_tolerance) : false;
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}
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#endif
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void NavigationRegion2D::_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()->region_set_map(region, get_world_2d()->get_navigation_map());
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for (uint32_t i = 0; i < constrain_avoidance_obstacles.size(); i++) {
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if (constrain_avoidance_obstacles[i].is_valid()) {
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NavigationServer2D::get_singleton()->obstacle_set_map(constrain_avoidance_obstacles[i], get_world_2d()->get_navigation_map());
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NavigationServer2D::get_singleton()->obstacle_set_position(constrain_avoidance_obstacles[i], get_global_position());
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}
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}
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}
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current_global_transform = get_global_transform();
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NavigationServer2D::get_singleton()->region_set_transform(region, current_global_transform);
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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_EXIT_TREE: {
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NavigationServer2D::get_singleton()->region_set_map(region, RID());
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for (uint32_t i = 0; i < constrain_avoidance_obstacles.size(); i++) {
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if (constrain_avoidance_obstacles[i].is_valid()) {
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NavigationServer2D::get_singleton()->obstacle_set_map(constrain_avoidance_obstacles[i], RID());
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}
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}
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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()->region_set_transform(region, current_global_transform);
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queue_redraw();
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for (uint32_t i = 0; i < constrain_avoidance_obstacles.size(); i++) {
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if (constrain_avoidance_obstacles[i].is_valid()) {
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NavigationServer2D::get_singleton()->obstacle_set_position(constrain_avoidance_obstacles[i], get_global_position());
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}
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}
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}
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}
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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()) && navigation_polygon.is_valid()) {
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_update_debug_mesh();
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_update_debug_edge_connections_mesh();
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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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void NavigationRegion2D::set_navigation_polygon(const Ref<NavigationPolygon> &p_navigation_polygon) {
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if (p_navigation_polygon == navigation_polygon) {
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return;
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}
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if (navigation_polygon.is_valid()) {
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navigation_polygon->disconnect(CoreStringNames::get_singleton()->changed, callable_mp(this, &NavigationRegion2D::_navigation_polygon_changed));
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}
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navigation_polygon = p_navigation_polygon;
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NavigationServer2D::get_singleton()->region_set_navigation_polygon(region, p_navigation_polygon);
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if (navigation_polygon.is_valid()) {
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navigation_polygon->connect(CoreStringNames::get_singleton()->changed, callable_mp(this, &NavigationRegion2D::_navigation_polygon_changed));
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}
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_navigation_polygon_changed();
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update_configuration_warnings();
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}
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Ref<NavigationPolygon> NavigationRegion2D::get_navigation_polygon() const {
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return navigation_polygon;
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}
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void NavigationRegion2D::_navigation_polygon_changed() {
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if (is_inside_tree() && (Engine::get_singleton()->is_editor_hint() || get_tree()->is_debugging_navigation_hint())) {
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queue_redraw();
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}
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if (navigation_polygon.is_valid()) {
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NavigationServer2D::get_singleton()->region_set_navigation_polygon(region, navigation_polygon);
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}
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_update_avoidance_constrain();
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}
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#ifdef DEBUG_ENABLED
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void NavigationRegion2D::_navigation_map_changed(RID p_map) {
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if (is_inside_tree() && get_world_2d()->get_navigation_map() == p_map) {
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queue_redraw();
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}
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}
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#endif // DEBUG_ENABLED
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PackedStringArray NavigationRegion2D::get_configuration_warnings() const {
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PackedStringArray warnings = Node2D::get_configuration_warnings();
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if (is_visible_in_tree() && is_inside_tree()) {
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if (!navigation_polygon.is_valid()) {
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warnings.push_back(RTR("A NavigationMesh resource must be set or created for this node to work. Please set a property or draw a polygon."));
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}
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}
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return warnings;
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}
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void NavigationRegion2D::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_navigation_polygon", "navigation_polygon"), &NavigationRegion2D::set_navigation_polygon);
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ClassDB::bind_method(D_METHOD("get_navigation_polygon"), &NavigationRegion2D::get_navigation_polygon);
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ClassDB::bind_method(D_METHOD("set_enabled", "enabled"), &NavigationRegion2D::set_enabled);
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ClassDB::bind_method(D_METHOD("is_enabled"), &NavigationRegion2D::is_enabled);
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ClassDB::bind_method(D_METHOD("set_use_edge_connections", "enabled"), &NavigationRegion2D::set_use_edge_connections);
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ClassDB::bind_method(D_METHOD("get_use_edge_connections"), &NavigationRegion2D::get_use_edge_connections);
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ClassDB::bind_method(D_METHOD("set_navigation_layers", "navigation_layers"), &NavigationRegion2D::set_navigation_layers);
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ClassDB::bind_method(D_METHOD("get_navigation_layers"), &NavigationRegion2D::get_navigation_layers);
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ClassDB::bind_method(D_METHOD("set_navigation_layer_value", "layer_number", "value"), &NavigationRegion2D::set_navigation_layer_value);
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ClassDB::bind_method(D_METHOD("get_navigation_layer_value", "layer_number"), &NavigationRegion2D::get_navigation_layer_value);
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ClassDB::bind_method(D_METHOD("set_constrain_avoidance", "enabled"), &NavigationRegion2D::set_constrain_avoidance);
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ClassDB::bind_method(D_METHOD("get_constrain_avoidance"), &NavigationRegion2D::get_constrain_avoidance);
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ClassDB::bind_method(D_METHOD("set_avoidance_layers", "layers"), &NavigationRegion2D::set_avoidance_layers);
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ClassDB::bind_method(D_METHOD("get_avoidance_layers"), &NavigationRegion2D::get_avoidance_layers);
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ClassDB::bind_method(D_METHOD("set_avoidance_layer_value", "layer_number", "value"), &NavigationRegion2D::set_avoidance_layer_value);
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ClassDB::bind_method(D_METHOD("get_avoidance_layer_value", "layer_number"), &NavigationRegion2D::get_avoidance_layer_value);
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ClassDB::bind_method(D_METHOD("get_region_rid"), &NavigationRegion2D::get_region_rid);
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ClassDB::bind_method(D_METHOD("set_enter_cost", "enter_cost"), &NavigationRegion2D::set_enter_cost);
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ClassDB::bind_method(D_METHOD("get_enter_cost"), &NavigationRegion2D::get_enter_cost);
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ClassDB::bind_method(D_METHOD("set_travel_cost", "travel_cost"), &NavigationRegion2D::set_travel_cost);
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ClassDB::bind_method(D_METHOD("get_travel_cost"), &NavigationRegion2D::get_travel_cost);
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ClassDB::bind_method(D_METHOD("_navigation_polygon_changed"), &NavigationRegion2D::_navigation_polygon_changed);
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ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "navigation_polygon", PROPERTY_HINT_RESOURCE_TYPE, "NavigationPolygon"), "set_navigation_polygon", "get_navigation_polygon");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "enabled"), "set_enabled", "is_enabled");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "use_edge_connections"), "set_use_edge_connections", "get_use_edge_connections");
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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::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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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "constrain_avoidance"), "set_constrain_avoidance", "get_constrain_avoidance");
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ADD_PROPERTY(PropertyInfo(Variant::INT, "avoidance_layers", PROPERTY_HINT_LAYERS_AVOIDANCE), "set_avoidance_layers", "get_avoidance_layers");
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}
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#ifndef DISABLE_DEPRECATED
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// Compatibility with earlier 4.0 betas.
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bool NavigationRegion2D::_set(const StringName &p_name, const Variant &p_value) {
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if (p_name == "navpoly") {
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set_navigation_polygon(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 NavigationRegion2D::_get(const StringName &p_name, Variant &r_ret) const {
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if (p_name == "navpoly") {
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r_ret = get_navigation_polygon();
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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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NavigationRegion2D::NavigationRegion2D() {
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set_notify_transform(true);
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set_hide_clip_children(true);
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region = NavigationServer2D::get_singleton()->region_create();
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NavigationServer2D::get_singleton()->region_set_owner_id(region, get_instance_id());
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NavigationServer2D::get_singleton()->region_set_enter_cost(region, get_enter_cost());
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NavigationServer2D::get_singleton()->region_set_travel_cost(region, get_travel_cost());
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#ifdef DEBUG_ENABLED
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NavigationServer2D::get_singleton()->connect(SNAME("map_changed"), callable_mp(this, &NavigationRegion2D::_navigation_map_changed));
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NavigationServer2D::get_singleton()->connect(SNAME("navigation_debug_changed"), callable_mp(this, &NavigationRegion2D::_navigation_map_changed));
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#endif // DEBUG_ENABLED
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}
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NavigationRegion2D::~NavigationRegion2D() {
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ERR_FAIL_NULL(NavigationServer2D::get_singleton());
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NavigationServer2D::get_singleton()->free(region);
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for (uint32_t i = 0; i < constrain_avoidance_obstacles.size(); i++) {
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if (constrain_avoidance_obstacles[i].is_valid()) {
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NavigationServer2D::get_singleton()->free(constrain_avoidance_obstacles[i]);
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}
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}
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constrain_avoidance_obstacles.clear();
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#ifdef DEBUG_ENABLED
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NavigationServer2D::get_singleton()->disconnect(SNAME("map_changed"), callable_mp(this, &NavigationRegion2D::_navigation_map_changed));
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NavigationServer2D::get_singleton()->disconnect(SNAME("navigation_debug_changed"), callable_mp(this, &NavigationRegion2D::_navigation_map_changed));
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#endif // DEBUG_ENABLED
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}
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void NavigationRegion2D::_update_avoidance_constrain() {
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for (uint32_t i = 0; i < constrain_avoidance_obstacles.size(); i++) {
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if (constrain_avoidance_obstacles[i].is_valid()) {
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NavigationServer2D::get_singleton()->free(constrain_avoidance_obstacles[i]);
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constrain_avoidance_obstacles[i] = RID();
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}
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}
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constrain_avoidance_obstacles.clear();
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if (!constrain_avoidance) {
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return;
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}
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if (get_navigation_polygon() == nullptr) {
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return;
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}
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Ref<NavigationPolygon> _navpoly = get_navigation_polygon();
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int _outline_count = _navpoly->get_outline_count();
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if (_outline_count == 0) {
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return;
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}
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for (int outline_index(0); outline_index < _outline_count; outline_index++) {
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const Vector<Vector2> &_outline = _navpoly->get_outline(outline_index);
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const int outline_size = _outline.size();
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if (outline_size < 3) {
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ERR_FAIL_COND_MSG(_outline.size() < 3, "NavigationPolygon outline needs to have at least 3 vertex to create avoidance obstacles to constrain avoidance agent's");
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continue;
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}
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RID obstacle_rid = NavigationServer2D::get_singleton()->obstacle_create();
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constrain_avoidance_obstacles.push_back(obstacle_rid);
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Vector<Vector2> new_obstacle_outline;
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if (outline_index == 0) {
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for (int i(0); i < outline_size; i++) {
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new_obstacle_outline.push_back(_outline[outline_size - i - 1]);
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}
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ERR_FAIL_COND_MSG(Geometry2D::is_polygon_clockwise(_outline), "Outer most outline needs to be clockwise to push avoidance agent inside");
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} else {
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for (int i(0); i < outline_size; i++) {
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new_obstacle_outline.push_back(_outline[i]);
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}
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}
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new_obstacle_outline.resize(outline_size);
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NavigationServer2D::get_singleton()->obstacle_set_vertices(obstacle_rid, new_obstacle_outline);
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NavigationServer2D::get_singleton()->obstacle_set_avoidance_layers(obstacle_rid, avoidance_layers);
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if (is_inside_tree()) {
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NavigationServer2D::get_singleton()->obstacle_set_map(obstacle_rid, get_world_2d()->get_navigation_map());
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NavigationServer2D::get_singleton()->obstacle_set_position(obstacle_rid, get_global_position());
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}
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}
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|
constrain_avoidance_obstacles.resize(_outline_count);
|
|
}
|
|
|
|
void NavigationRegion2D::set_constrain_avoidance(bool p_enabled) {
|
|
constrain_avoidance = p_enabled;
|
|
_update_avoidance_constrain();
|
|
notify_property_list_changed();
|
|
}
|
|
|
|
bool NavigationRegion2D::get_constrain_avoidance() const {
|
|
return constrain_avoidance;
|
|
}
|
|
|
|
void NavigationRegion2D::_validate_property(PropertyInfo &p_property) const {
|
|
if (p_property.name == "avoidance_layers") {
|
|
if (!constrain_avoidance) {
|
|
p_property.usage = PROPERTY_USAGE_NO_EDITOR;
|
|
}
|
|
}
|
|
}
|
|
|
|
void NavigationRegion2D::set_avoidance_layers(uint32_t p_layers) {
|
|
avoidance_layers = p_layers;
|
|
if (constrain_avoidance_obstacles.size() > 0) {
|
|
for (uint32_t i = 0; i < constrain_avoidance_obstacles.size(); i++) {
|
|
NavigationServer2D::get_singleton()->obstacle_set_avoidance_layers(constrain_avoidance_obstacles[i], avoidance_layers);
|
|
}
|
|
}
|
|
}
|
|
|
|
uint32_t NavigationRegion2D::get_avoidance_layers() const {
|
|
return avoidance_layers;
|
|
}
|
|
|
|
void NavigationRegion2D::set_avoidance_layer_value(int p_layer_number, bool p_value) {
|
|
ERR_FAIL_COND_MSG(p_layer_number < 1, "Avoidance layer number must be between 1 and 32 inclusive.");
|
|
ERR_FAIL_COND_MSG(p_layer_number > 32, "Avoidance layer number must be between 1 and 32 inclusive.");
|
|
uint32_t avoidance_layers_new = get_avoidance_layers();
|
|
if (p_value) {
|
|
avoidance_layers_new |= 1 << (p_layer_number - 1);
|
|
} else {
|
|
avoidance_layers_new &= ~(1 << (p_layer_number - 1));
|
|
}
|
|
set_avoidance_layers(avoidance_layers_new);
|
|
}
|
|
|
|
bool NavigationRegion2D::get_avoidance_layer_value(int p_layer_number) const {
|
|
ERR_FAIL_COND_V_MSG(p_layer_number < 1, false, "Avoidance layer number must be between 1 and 32 inclusive.");
|
|
ERR_FAIL_COND_V_MSG(p_layer_number > 32, false, "Avoidance layer number must be between 1 and 32 inclusive.");
|
|
return get_avoidance_layers() & (1 << (p_layer_number - 1));
|
|
}
|
|
|
|
#ifdef DEBUG_ENABLED
|
|
void NavigationRegion2D::_update_debug_mesh() {
|
|
Vector<Vector2> navigation_polygon_vertices = navigation_polygon->get_vertices();
|
|
if (navigation_polygon_vertices.size() < 3) {
|
|
return;
|
|
}
|
|
|
|
const NavigationServer2D *ns2d = NavigationServer2D::get_singleton();
|
|
|
|
bool enabled_geometry_face_random_color = ns2d->get_debug_navigation_enable_geometry_face_random_color();
|
|
bool enabled_edge_lines = ns2d->get_debug_navigation_enable_edge_lines();
|
|
|
|
Color debug_face_color = ns2d->get_debug_navigation_geometry_face_color();
|
|
Color debug_edge_color = ns2d->get_debug_navigation_geometry_edge_color();
|
|
|
|
if (!enabled) {
|
|
debug_face_color = ns2d->get_debug_navigation_geometry_face_disabled_color();
|
|
debug_edge_color = ns2d->get_debug_navigation_geometry_edge_disabled_color();
|
|
}
|
|
|
|
RandomPCG rand;
|
|
|
|
for (int i = 0; i < navigation_polygon->get_polygon_count(); i++) {
|
|
// An array of vertices for this polygon.
|
|
Vector<int> polygon = navigation_polygon->get_polygon(i);
|
|
Vector<Vector2> debug_polygon_vertices;
|
|
debug_polygon_vertices.resize(polygon.size());
|
|
for (int j = 0; j < polygon.size(); j++) {
|
|
ERR_FAIL_INDEX(polygon[j], navigation_polygon_vertices.size());
|
|
debug_polygon_vertices.write[j] = navigation_polygon_vertices[polygon[j]];
|
|
}
|
|
|
|
// Generate the polygon color, slightly randomly modified from the settings one.
|
|
Color random_variation_color = debug_face_color;
|
|
if (enabled_geometry_face_random_color) {
|
|
random_variation_color.set_hsv(
|
|
debug_face_color.get_h() + rand.random(-1.0, 1.0) * 0.1,
|
|
debug_face_color.get_s(),
|
|
debug_face_color.get_v() + rand.random(-1.0, 1.0) * 0.2);
|
|
}
|
|
random_variation_color.a = debug_face_color.a;
|
|
|
|
Vector<Color> debug_face_colors;
|
|
debug_face_colors.push_back(random_variation_color);
|
|
RS::get_singleton()->canvas_item_add_polygon(get_canvas_item(), debug_polygon_vertices, debug_face_colors);
|
|
|
|
if (enabled_edge_lines) {
|
|
Vector<Color> debug_edge_colors;
|
|
debug_edge_colors.push_back(debug_edge_color);
|
|
debug_polygon_vertices.push_back(debug_polygon_vertices[0]); // Add first again for closing polyline.
|
|
RS::get_singleton()->canvas_item_add_polyline(get_canvas_item(), debug_polygon_vertices, debug_edge_colors);
|
|
}
|
|
}
|
|
}
|
|
#endif // DEBUG_ENABLED
|
|
|
|
#ifdef DEBUG_ENABLED
|
|
void NavigationRegion2D::_update_debug_edge_connections_mesh() {
|
|
const NavigationServer2D *ns2d = NavigationServer2D::get_singleton();
|
|
bool enable_edge_connections = use_edge_connections && ns2d->get_debug_navigation_enable_edge_connections() && ns2d->map_get_use_edge_connections(get_world_2d()->get_navigation_map());
|
|
|
|
if (enable_edge_connections) {
|
|
Color debug_edge_connection_color = ns2d->get_debug_navigation_edge_connection_color();
|
|
// Draw the region edge connections.
|
|
Transform2D xform = get_global_transform();
|
|
real_t radius = ns2d->map_get_edge_connection_margin(get_world_2d()->get_navigation_map()) / 2.0;
|
|
for (int i = 0; i < ns2d->region_get_connections_count(region); i++) {
|
|
// Two main points
|
|
Vector2 a = ns2d->region_get_connection_pathway_start(region, i);
|
|
a = xform.affine_inverse().xform(a);
|
|
Vector2 b = ns2d->region_get_connection_pathway_end(region, i);
|
|
b = xform.affine_inverse().xform(b);
|
|
draw_line(a, b, debug_edge_connection_color);
|
|
|
|
// Draw a circle to illustrate the margins.
|
|
real_t angle = a.angle_to_point(b);
|
|
draw_arc(a, radius, angle + Math_PI / 2.0, angle - Math_PI / 2.0 + Math_TAU, 10, debug_edge_connection_color);
|
|
draw_arc(b, radius, angle - Math_PI / 2.0, angle + Math_PI / 2.0, 10, debug_edge_connection_color);
|
|
}
|
|
}
|
|
}
|
|
#endif // DEBUG_ENABLED
|