1/**************************************************************************/
2/* navigation_region_2d.cpp */
3/**************************************************************************/
4/* This file is part of: */
5/* GODOT ENGINE */
6/* https://godotengine.org */
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8/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
9/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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29/**************************************************************************/
30
31#include "navigation_region_2d.h"
32
33#include "core/math/geometry_2d.h"
34#include "scene/2d/navigation_obstacle_2d.h"
35#include "scene/resources/world_2d.h"
36#include "servers/navigation_server_2d.h"
37
38void NavigationRegion2D::set_enabled(bool p_enabled) {
39 if (enabled == p_enabled) {
40 return;
41 }
42
43 enabled = p_enabled;
44
45 NavigationServer2D::get_singleton()->region_set_enabled(region, enabled);
46
47#ifdef DEBUG_ENABLED
48 if (Engine::get_singleton()->is_editor_hint() || NavigationServer2D::get_singleton()->get_debug_navigation_enabled()) {
49 queue_redraw();
50 }
51#endif // DEBUG_ENABLED
52}
53
54bool NavigationRegion2D::is_enabled() const {
55 return enabled;
56}
57
58void NavigationRegion2D::set_use_edge_connections(bool p_enabled) {
59 if (use_edge_connections == p_enabled) {
60 return;
61 }
62
63 use_edge_connections = p_enabled;
64
65 NavigationServer2D::get_singleton()->region_set_use_edge_connections(region, use_edge_connections);
66}
67
68bool NavigationRegion2D::get_use_edge_connections() const {
69 return use_edge_connections;
70}
71
72void NavigationRegion2D::set_navigation_layers(uint32_t p_navigation_layers) {
73 if (navigation_layers == p_navigation_layers) {
74 return;
75 }
76
77 navigation_layers = p_navigation_layers;
78
79 NavigationServer2D::get_singleton()->region_set_navigation_layers(region, navigation_layers);
80}
81
82uint32_t NavigationRegion2D::get_navigation_layers() const {
83 return navigation_layers;
84}
85
86void NavigationRegion2D::set_navigation_layer_value(int p_layer_number, bool p_value) {
87 ERR_FAIL_COND_MSG(p_layer_number < 1, "Navigation layer number must be between 1 and 32 inclusive.");
88 ERR_FAIL_COND_MSG(p_layer_number > 32, "Navigation layer number must be between 1 and 32 inclusive.");
89
90 uint32_t _navigation_layers = get_navigation_layers();
91
92 if (p_value) {
93 _navigation_layers |= 1 << (p_layer_number - 1);
94 } else {
95 _navigation_layers &= ~(1 << (p_layer_number - 1));
96 }
97
98 set_navigation_layers(_navigation_layers);
99}
100
101bool NavigationRegion2D::get_navigation_layer_value(int p_layer_number) const {
102 ERR_FAIL_COND_V_MSG(p_layer_number < 1, false, "Navigation layer number must be between 1 and 32 inclusive.");
103 ERR_FAIL_COND_V_MSG(p_layer_number > 32, false, "Navigation layer number must be between 1 and 32 inclusive.");
104
105 return get_navigation_layers() & (1 << (p_layer_number - 1));
106}
107
108void NavigationRegion2D::set_enter_cost(real_t p_enter_cost) {
109 ERR_FAIL_COND_MSG(p_enter_cost < 0.0, "The enter_cost must be positive.");
110 if (Math::is_equal_approx(enter_cost, p_enter_cost)) {
111 return;
112 }
113
114 enter_cost = p_enter_cost;
115
116 NavigationServer2D::get_singleton()->region_set_enter_cost(region, enter_cost);
117}
118
119real_t NavigationRegion2D::get_enter_cost() const {
120 return enter_cost;
121}
122
123void NavigationRegion2D::set_travel_cost(real_t p_travel_cost) {
124 ERR_FAIL_COND_MSG(p_travel_cost < 0.0, "The travel_cost must be positive.");
125 if (Math::is_equal_approx(travel_cost, p_travel_cost)) {
126 return;
127 }
128
129 travel_cost = p_travel_cost;
130
131 NavigationServer2D::get_singleton()->region_set_travel_cost(region, travel_cost);
132}
133
134real_t NavigationRegion2D::get_travel_cost() const {
135 return travel_cost;
136}
137
138RID NavigationRegion2D::get_region_rid() const {
139 return region;
140}
141
142#ifdef TOOLS_ENABLED
143Rect2 NavigationRegion2D::_edit_get_rect() const {
144 return navigation_polygon.is_valid() ? navigation_polygon->_edit_get_rect() : Rect2();
145}
146
147bool NavigationRegion2D::_edit_is_selected_on_click(const Point2 &p_point, double p_tolerance) const {
148 return navigation_polygon.is_valid() ? navigation_polygon->_edit_is_selected_on_click(p_point, p_tolerance) : false;
149}
150#endif
151
152void NavigationRegion2D::_notification(int p_what) {
153 switch (p_what) {
154 case NOTIFICATION_ENTER_TREE: {
155 _region_enter_navigation_map();
156 } break;
157
158 case NOTIFICATION_TRANSFORM_CHANGED: {
159 set_physics_process_internal(true);
160 } break;
161
162 case NOTIFICATION_EXIT_TREE: {
163 _region_exit_navigation_map();
164 } break;
165
166 case NOTIFICATION_INTERNAL_PHYSICS_PROCESS: {
167 set_physics_process_internal(false);
168 } break;
169
170 case NOTIFICATION_DRAW: {
171#ifdef DEBUG_ENABLED
172 if (is_inside_tree() && (Engine::get_singleton()->is_editor_hint() || NavigationServer2D::get_singleton()->get_debug_enabled()) && navigation_polygon.is_valid()) {
173 _update_debug_mesh();
174 _update_debug_edge_connections_mesh();
175 }
176#endif // DEBUG_ENABLED
177 } break;
178 }
179}
180
181void NavigationRegion2D::set_navigation_polygon(const Ref<NavigationPolygon> &p_navigation_polygon) {
182 if (p_navigation_polygon == navigation_polygon) {
183 return;
184 }
185
186 if (navigation_polygon.is_valid()) {
187 navigation_polygon->disconnect_changed(callable_mp(this, &NavigationRegion2D::_navigation_polygon_changed));
188 }
189
190 navigation_polygon = p_navigation_polygon;
191 NavigationServer2D::get_singleton()->region_set_navigation_polygon(region, p_navigation_polygon);
192
193 if (navigation_polygon.is_valid()) {
194 navigation_polygon->connect_changed(callable_mp(this, &NavigationRegion2D::_navigation_polygon_changed));
195 }
196 _navigation_polygon_changed();
197
198 update_configuration_warnings();
199}
200
201Ref<NavigationPolygon> NavigationRegion2D::get_navigation_polygon() const {
202 return navigation_polygon;
203}
204
205void NavigationRegion2D::set_navigation_map(RID p_navigation_map) {
206 if (map_override == p_navigation_map) {
207 return;
208 }
209
210 map_override = p_navigation_map;
211
212 NavigationServer2D::get_singleton()->region_set_map(region, map_override);
213 for (uint32_t i = 0; i < constrain_avoidance_obstacles.size(); i++) {
214 if (constrain_avoidance_obstacles[i].is_valid()) {
215 NavigationServer2D::get_singleton()->obstacle_set_map(constrain_avoidance_obstacles[i], map_override);
216 }
217 }
218}
219
220RID NavigationRegion2D::get_navigation_map() const {
221 if (map_override.is_valid()) {
222 return map_override;
223 } else if (is_inside_tree()) {
224 return get_world_2d()->get_navigation_map();
225 }
226 return RID();
227}
228
229void NavigationRegion2D::_navigation_polygon_changed() {
230 if (is_inside_tree() && (Engine::get_singleton()->is_editor_hint() || get_tree()->is_debugging_navigation_hint())) {
231 queue_redraw();
232 }
233 if (navigation_polygon.is_valid()) {
234 NavigationServer2D::get_singleton()->region_set_navigation_polygon(region, navigation_polygon);
235 }
236 _update_avoidance_constrain();
237}
238
239#ifdef DEBUG_ENABLED
240void NavigationRegion2D::_navigation_map_changed(RID p_map) {
241 if (is_inside_tree() && get_world_2d()->get_navigation_map() == p_map) {
242 queue_redraw();
243 }
244}
245#endif // DEBUG_ENABLED
246
247PackedStringArray NavigationRegion2D::get_configuration_warnings() const {
248 PackedStringArray warnings = Node2D::get_configuration_warnings();
249
250 if (is_visible_in_tree() && is_inside_tree()) {
251 if (!navigation_polygon.is_valid()) {
252 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."));
253 }
254 }
255
256 return warnings;
257}
258
259void NavigationRegion2D::_bind_methods() {
260 ClassDB::bind_method(D_METHOD("set_navigation_polygon", "navigation_polygon"), &NavigationRegion2D::set_navigation_polygon);
261 ClassDB::bind_method(D_METHOD("get_navigation_polygon"), &NavigationRegion2D::get_navigation_polygon);
262
263 ClassDB::bind_method(D_METHOD("set_enabled", "enabled"), &NavigationRegion2D::set_enabled);
264 ClassDB::bind_method(D_METHOD("is_enabled"), &NavigationRegion2D::is_enabled);
265
266 ClassDB::bind_method(D_METHOD("set_navigation_map", "navigation_map"), &NavigationRegion2D::set_navigation_map);
267 ClassDB::bind_method(D_METHOD("get_navigation_map"), &NavigationRegion2D::get_navigation_map);
268
269 ClassDB::bind_method(D_METHOD("set_use_edge_connections", "enabled"), &NavigationRegion2D::set_use_edge_connections);
270 ClassDB::bind_method(D_METHOD("get_use_edge_connections"), &NavigationRegion2D::get_use_edge_connections);
271
272 ClassDB::bind_method(D_METHOD("set_navigation_layers", "navigation_layers"), &NavigationRegion2D::set_navigation_layers);
273 ClassDB::bind_method(D_METHOD("get_navigation_layers"), &NavigationRegion2D::get_navigation_layers);
274
275 ClassDB::bind_method(D_METHOD("set_navigation_layer_value", "layer_number", "value"), &NavigationRegion2D::set_navigation_layer_value);
276 ClassDB::bind_method(D_METHOD("get_navigation_layer_value", "layer_number"), &NavigationRegion2D::get_navigation_layer_value);
277
278 ClassDB::bind_method(D_METHOD("set_constrain_avoidance", "enabled"), &NavigationRegion2D::set_constrain_avoidance);
279 ClassDB::bind_method(D_METHOD("get_constrain_avoidance"), &NavigationRegion2D::get_constrain_avoidance);
280 ClassDB::bind_method(D_METHOD("set_avoidance_layers", "layers"), &NavigationRegion2D::set_avoidance_layers);
281 ClassDB::bind_method(D_METHOD("get_avoidance_layers"), &NavigationRegion2D::get_avoidance_layers);
282 ClassDB::bind_method(D_METHOD("set_avoidance_layer_value", "layer_number", "value"), &NavigationRegion2D::set_avoidance_layer_value);
283 ClassDB::bind_method(D_METHOD("get_avoidance_layer_value", "layer_number"), &NavigationRegion2D::get_avoidance_layer_value);
284
285 ClassDB::bind_method(D_METHOD("get_region_rid"), &NavigationRegion2D::get_region_rid);
286
287 ClassDB::bind_method(D_METHOD("set_enter_cost", "enter_cost"), &NavigationRegion2D::set_enter_cost);
288 ClassDB::bind_method(D_METHOD("get_enter_cost"), &NavigationRegion2D::get_enter_cost);
289
290 ClassDB::bind_method(D_METHOD("set_travel_cost", "travel_cost"), &NavigationRegion2D::set_travel_cost);
291 ClassDB::bind_method(D_METHOD("get_travel_cost"), &NavigationRegion2D::get_travel_cost);
292
293 ClassDB::bind_method(D_METHOD("_navigation_polygon_changed"), &NavigationRegion2D::_navigation_polygon_changed);
294
295 ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "navigation_polygon", PROPERTY_HINT_RESOURCE_TYPE, "NavigationPolygon"), "set_navigation_polygon", "get_navigation_polygon");
296 ADD_PROPERTY(PropertyInfo(Variant::BOOL, "enabled"), "set_enabled", "is_enabled");
297 ADD_PROPERTY(PropertyInfo(Variant::BOOL, "use_edge_connections"), "set_use_edge_connections", "get_use_edge_connections");
298 ADD_PROPERTY(PropertyInfo(Variant::INT, "navigation_layers", PROPERTY_HINT_LAYERS_2D_NAVIGATION), "set_navigation_layers", "get_navigation_layers");
299 ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "enter_cost"), "set_enter_cost", "get_enter_cost");
300 ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "travel_cost"), "set_travel_cost", "get_travel_cost");
301 ADD_PROPERTY(PropertyInfo(Variant::BOOL, "constrain_avoidance"), "set_constrain_avoidance", "get_constrain_avoidance");
302 ADD_PROPERTY(PropertyInfo(Variant::INT, "avoidance_layers", PROPERTY_HINT_LAYERS_AVOIDANCE), "set_avoidance_layers", "get_avoidance_layers");
303}
304
305#ifndef DISABLE_DEPRECATED
306// Compatibility with earlier 4.0 betas.
307bool NavigationRegion2D::_set(const StringName &p_name, const Variant &p_value) {
308 if (p_name == "navpoly") {
309 set_navigation_polygon(p_value);
310 return true;
311 }
312 return false;
313}
314
315bool NavigationRegion2D::_get(const StringName &p_name, Variant &r_ret) const {
316 if (p_name == "navpoly") {
317 r_ret = get_navigation_polygon();
318 return true;
319 }
320 return false;
321}
322#endif // DISABLE_DEPRECATED
323
324NavigationRegion2D::NavigationRegion2D() {
325 set_notify_transform(true);
326 set_hide_clip_children(true);
327
328 region = NavigationServer2D::get_singleton()->region_create();
329 NavigationServer2D::get_singleton()->region_set_owner_id(region, get_instance_id());
330 NavigationServer2D::get_singleton()->region_set_enter_cost(region, get_enter_cost());
331 NavigationServer2D::get_singleton()->region_set_travel_cost(region, get_travel_cost());
332
333#ifdef DEBUG_ENABLED
334 NavigationServer2D::get_singleton()->connect(SNAME("map_changed"), callable_mp(this, &NavigationRegion2D::_navigation_map_changed));
335 NavigationServer2D::get_singleton()->connect(SNAME("navigation_debug_changed"), callable_mp(this, &NavigationRegion2D::_navigation_map_changed));
336#endif // DEBUG_ENABLED
337}
338
339NavigationRegion2D::~NavigationRegion2D() {
340 ERR_FAIL_NULL(NavigationServer2D::get_singleton());
341 NavigationServer2D::get_singleton()->free(region);
342
343 for (uint32_t i = 0; i < constrain_avoidance_obstacles.size(); i++) {
344 if (constrain_avoidance_obstacles[i].is_valid()) {
345 NavigationServer2D::get_singleton()->free(constrain_avoidance_obstacles[i]);
346 }
347 }
348 constrain_avoidance_obstacles.clear();
349
350#ifdef DEBUG_ENABLED
351 NavigationServer2D::get_singleton()->disconnect(SNAME("map_changed"), callable_mp(this, &NavigationRegion2D::_navigation_map_changed));
352 NavigationServer2D::get_singleton()->disconnect(SNAME("navigation_debug_changed"), callable_mp(this, &NavigationRegion2D::_navigation_map_changed));
353#endif // DEBUG_ENABLED
354}
355
356void NavigationRegion2D::_update_avoidance_constrain() {
357 for (uint32_t i = 0; i < constrain_avoidance_obstacles.size(); i++) {
358 if (constrain_avoidance_obstacles[i].is_valid()) {
359 NavigationServer2D::get_singleton()->free(constrain_avoidance_obstacles[i]);
360 constrain_avoidance_obstacles[i] = RID();
361 }
362 }
363 constrain_avoidance_obstacles.clear();
364
365 if (!constrain_avoidance) {
366 return;
367 }
368
369 if (get_navigation_polygon() == nullptr) {
370 return;
371 }
372
373 Ref<NavigationPolygon> _navpoly = get_navigation_polygon();
374 int _outline_count = _navpoly->get_outline_count();
375 if (_outline_count == 0) {
376 return;
377 }
378
379 for (int outline_index(0); outline_index < _outline_count; outline_index++) {
380 const Vector<Vector2> &_outline = _navpoly->get_outline(outline_index);
381
382 const int outline_size = _outline.size();
383 if (outline_size < 3) {
384 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");
385 continue;
386 }
387
388 RID obstacle_rid = NavigationServer2D::get_singleton()->obstacle_create();
389 constrain_avoidance_obstacles.push_back(obstacle_rid);
390
391 Vector<Vector2> new_obstacle_outline;
392
393 if (outline_index == 0) {
394 for (int i(0); i < outline_size; i++) {
395 new_obstacle_outline.push_back(_outline[outline_size - i - 1]);
396 }
397 ERR_FAIL_COND_MSG(Geometry2D::is_polygon_clockwise(_outline), "Outer most outline needs to be clockwise to push avoidance agent inside");
398 } else {
399 for (int i(0); i < outline_size; i++) {
400 new_obstacle_outline.push_back(_outline[i]);
401 }
402 }
403 new_obstacle_outline.resize(outline_size);
404
405 NavigationServer2D::get_singleton()->obstacle_set_vertices(obstacle_rid, new_obstacle_outline);
406 NavigationServer2D::get_singleton()->obstacle_set_avoidance_layers(obstacle_rid, avoidance_layers);
407 if (is_inside_tree()) {
408 if (map_override.is_valid()) {
409 NavigationServer2D::get_singleton()->obstacle_set_map(obstacle_rid, map_override);
410 } else {
411 NavigationServer2D::get_singleton()->obstacle_set_map(obstacle_rid, get_world_2d()->get_navigation_map());
412 }
413 NavigationServer2D::get_singleton()->obstacle_set_position(obstacle_rid, get_global_position());
414 }
415 }
416 constrain_avoidance_obstacles.resize(_outline_count);
417}
418
419void NavigationRegion2D::set_constrain_avoidance(bool p_enabled) {
420 constrain_avoidance = p_enabled;
421 _update_avoidance_constrain();
422 notify_property_list_changed();
423}
424
425bool NavigationRegion2D::get_constrain_avoidance() const {
426 return constrain_avoidance;
427}
428
429void NavigationRegion2D::_validate_property(PropertyInfo &p_property) const {
430 if (p_property.name == "avoidance_layers") {
431 if (!constrain_avoidance) {
432 p_property.usage = PROPERTY_USAGE_NO_EDITOR;
433 }
434 }
435}
436
437void NavigationRegion2D::set_avoidance_layers(uint32_t p_layers) {
438 avoidance_layers = p_layers;
439 if (constrain_avoidance_obstacles.size() > 0) {
440 for (uint32_t i = 0; i < constrain_avoidance_obstacles.size(); i++) {
441 NavigationServer2D::get_singleton()->obstacle_set_avoidance_layers(constrain_avoidance_obstacles[i], avoidance_layers);
442 }
443 }
444}
445
446uint32_t NavigationRegion2D::get_avoidance_layers() const {
447 return avoidance_layers;
448}
449
450void NavigationRegion2D::set_avoidance_layer_value(int p_layer_number, bool p_value) {
451 ERR_FAIL_COND_MSG(p_layer_number < 1, "Avoidance layer number must be between 1 and 32 inclusive.");
452 ERR_FAIL_COND_MSG(p_layer_number > 32, "Avoidance layer number must be between 1 and 32 inclusive.");
453 uint32_t avoidance_layers_new = get_avoidance_layers();
454 if (p_value) {
455 avoidance_layers_new |= 1 << (p_layer_number - 1);
456 } else {
457 avoidance_layers_new &= ~(1 << (p_layer_number - 1));
458 }
459 set_avoidance_layers(avoidance_layers_new);
460}
461
462bool NavigationRegion2D::get_avoidance_layer_value(int p_layer_number) const {
463 ERR_FAIL_COND_V_MSG(p_layer_number < 1, false, "Avoidance layer number must be between 1 and 32 inclusive.");
464 ERR_FAIL_COND_V_MSG(p_layer_number > 32, false, "Avoidance layer number must be between 1 and 32 inclusive.");
465 return get_avoidance_layers() & (1 << (p_layer_number - 1));
466}
467
468void NavigationRegion2D::_region_enter_navigation_map() {
469 if (!is_inside_tree()) {
470 return;
471 }
472
473 if (enabled) {
474 if (map_override.is_valid()) {
475 NavigationServer2D::get_singleton()->region_set_map(region, map_override);
476 for (uint32_t i = 0; i < constrain_avoidance_obstacles.size(); i++) {
477 if (constrain_avoidance_obstacles[i].is_valid()) {
478 NavigationServer2D::get_singleton()->obstacle_set_map(constrain_avoidance_obstacles[i], map_override);
479 }
480 }
481 } else {
482 NavigationServer2D::get_singleton()->region_set_map(region, get_world_2d()->get_navigation_map());
483 for (uint32_t i = 0; i < constrain_avoidance_obstacles.size(); i++) {
484 if (constrain_avoidance_obstacles[i].is_valid()) {
485 NavigationServer2D::get_singleton()->obstacle_set_map(constrain_avoidance_obstacles[i], get_world_2d()->get_navigation_map());
486 }
487 }
488 }
489 }
490
491 current_global_transform = get_global_transform();
492 NavigationServer2D::get_singleton()->region_set_transform(region, current_global_transform);
493 for (uint32_t i = 0; i < constrain_avoidance_obstacles.size(); i++) {
494 if (constrain_avoidance_obstacles[i].is_valid()) {
495 NavigationServer2D::get_singleton()->obstacle_set_position(constrain_avoidance_obstacles[i], get_global_position());
496 }
497 }
498
499 queue_redraw();
500}
501
502void NavigationRegion2D::_region_exit_navigation_map() {
503 NavigationServer2D::get_singleton()->region_set_map(region, RID());
504 for (uint32_t i = 0; i < constrain_avoidance_obstacles.size(); i++) {
505 if (constrain_avoidance_obstacles[i].is_valid()) {
506 NavigationServer2D::get_singleton()->obstacle_set_map(constrain_avoidance_obstacles[i], RID());
507 }
508 }
509}
510
511void NavigationRegion2D::_region_update_transform() {
512 if (!is_inside_tree()) {
513 return;
514 }
515
516 Transform2D new_global_transform = get_global_transform();
517 if (current_global_transform != new_global_transform) {
518 current_global_transform = new_global_transform;
519 NavigationServer2D::get_singleton()->region_set_transform(region, current_global_transform);
520 for (uint32_t i = 0; i < constrain_avoidance_obstacles.size(); i++) {
521 if (constrain_avoidance_obstacles[i].is_valid()) {
522 NavigationServer2D::get_singleton()->obstacle_set_position(constrain_avoidance_obstacles[i], get_global_position());
523 }
524 }
525 }
526
527 queue_redraw();
528}
529
530#ifdef DEBUG_ENABLED
531void NavigationRegion2D::_update_debug_mesh() {
532 Vector<Vector2> navigation_polygon_vertices = navigation_polygon->get_vertices();
533 if (navigation_polygon_vertices.size() < 3) {
534 return;
535 }
536
537 const NavigationServer2D *ns2d = NavigationServer2D::get_singleton();
538
539 bool enabled_geometry_face_random_color = ns2d->get_debug_navigation_enable_geometry_face_random_color();
540 bool enabled_edge_lines = ns2d->get_debug_navigation_enable_edge_lines();
541
542 Color debug_face_color = ns2d->get_debug_navigation_geometry_face_color();
543 Color debug_edge_color = ns2d->get_debug_navigation_geometry_edge_color();
544
545 if (!enabled) {
546 debug_face_color = ns2d->get_debug_navigation_geometry_face_disabled_color();
547 debug_edge_color = ns2d->get_debug_navigation_geometry_edge_disabled_color();
548 }
549
550 RandomPCG rand;
551
552 for (int i = 0; i < navigation_polygon->get_polygon_count(); i++) {
553 // An array of vertices for this polygon.
554 Vector<int> polygon = navigation_polygon->get_polygon(i);
555 Vector<Vector2> debug_polygon_vertices;
556 debug_polygon_vertices.resize(polygon.size());
557 for (int j = 0; j < polygon.size(); j++) {
558 ERR_FAIL_INDEX(polygon[j], navigation_polygon_vertices.size());
559 debug_polygon_vertices.write[j] = navigation_polygon_vertices[polygon[j]];
560 }
561
562 // Generate the polygon color, slightly randomly modified from the settings one.
563 Color random_variation_color = debug_face_color;
564 if (enabled_geometry_face_random_color) {
565 random_variation_color.set_hsv(
566 debug_face_color.get_h() + rand.random(-1.0, 1.0) * 0.1,
567 debug_face_color.get_s(),
568 debug_face_color.get_v() + rand.random(-1.0, 1.0) * 0.2);
569 }
570 random_variation_color.a = debug_face_color.a;
571
572 Vector<Color> debug_face_colors;
573 debug_face_colors.push_back(random_variation_color);
574 RS::get_singleton()->canvas_item_add_polygon(get_canvas_item(), debug_polygon_vertices, debug_face_colors);
575
576 if (enabled_edge_lines) {
577 Vector<Color> debug_edge_colors;
578 debug_edge_colors.push_back(debug_edge_color);
579 debug_polygon_vertices.push_back(debug_polygon_vertices[0]); // Add first again for closing polyline.
580 RS::get_singleton()->canvas_item_add_polyline(get_canvas_item(), debug_polygon_vertices, debug_edge_colors);
581 }
582 }
583}
584#endif // DEBUG_ENABLED
585
586#ifdef DEBUG_ENABLED
587void NavigationRegion2D::_update_debug_edge_connections_mesh() {
588 const NavigationServer2D *ns2d = NavigationServer2D::get_singleton();
589 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());
590
591 if (enable_edge_connections) {
592 Color debug_edge_connection_color = ns2d->get_debug_navigation_edge_connection_color();
593 // Draw the region edge connections.
594 Transform2D xform = get_global_transform();
595 real_t radius = ns2d->map_get_edge_connection_margin(get_world_2d()->get_navigation_map()) / 2.0;
596 for (int i = 0; i < ns2d->region_get_connections_count(region); i++) {
597 // Two main points
598 Vector2 a = ns2d->region_get_connection_pathway_start(region, i);
599 a = xform.affine_inverse().xform(a);
600 Vector2 b = ns2d->region_get_connection_pathway_end(region, i);
601 b = xform.affine_inverse().xform(b);
602 draw_line(a, b, debug_edge_connection_color);
603
604 // Draw a circle to illustrate the margins.
605 real_t angle = a.angle_to_point(b);
606 draw_arc(a, radius, angle + Math_PI / 2.0, angle - Math_PI / 2.0 + Math_TAU, 10, debug_edge_connection_color);
607 draw_arc(b, radius, angle - Math_PI / 2.0, angle + Math_PI / 2.0, 10, debug_edge_connection_color);
608 }
609 }
610}
611#endif // DEBUG_ENABLED
612