1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
|
/*************************************************************************/
/* navigation_region_3d.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "navigation_region_3d.h"
#include "mesh_instance_3d.h"
#include "servers/navigation_server_3d.h"
void NavigationRegion3D::set_enabled(bool p_enabled) {
if (enabled == p_enabled) {
return;
}
enabled = p_enabled;
if (!is_inside_tree()) {
return;
}
if (!enabled) {
NavigationServer3D::get_singleton()->region_set_map(region, RID());
} else {
NavigationServer3D::get_singleton()->region_set_map(region, get_world_3d()->get_navigation_map());
}
if (debug_view) {
MeshInstance3D *dm = Object::cast_to<MeshInstance3D>(debug_view);
if (is_enabled()) {
dm->set_material_override(get_tree()->get_debug_navigation_material());
} else {
dm->set_material_override(get_tree()->get_debug_navigation_disabled_material());
}
}
update_gizmos();
}
bool NavigationRegion3D::is_enabled() const {
return enabled;
}
void NavigationRegion3D::set_layers(uint32_t p_layers) {
NavigationServer3D::get_singleton()->region_set_layers(region, p_layers);
}
uint32_t NavigationRegion3D::get_layers() const {
return NavigationServer3D::get_singleton()->region_get_layers(region);
}
/////////////////////////////
void NavigationRegion3D::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
if (enabled) {
NavigationServer3D::get_singleton()->region_set_map(region, get_world_3d()->get_navigation_map());
}
if (navmesh.is_valid() && get_tree()->is_debugging_navigation_hint()) {
MeshInstance3D *dm = memnew(MeshInstance3D);
dm->set_mesh(navmesh->get_debug_mesh());
if (is_enabled()) {
dm->set_material_override(get_tree()->get_debug_navigation_material());
} else {
dm->set_material_override(get_tree()->get_debug_navigation_disabled_material());
}
add_child(dm);
debug_view = dm;
}
} break;
case NOTIFICATION_TRANSFORM_CHANGED: {
NavigationServer3D::get_singleton()->region_set_transform(region, get_global_transform());
} break;
case NOTIFICATION_EXIT_TREE: {
NavigationServer3D::get_singleton()->region_set_map(region, RID());
if (debug_view) {
debug_view->queue_delete();
debug_view = nullptr;
}
} break;
}
}
void NavigationRegion3D::set_navigation_mesh(const Ref<NavigationMesh> &p_navmesh) {
if (p_navmesh == navmesh) {
return;
}
if (navmesh.is_valid()) {
navmesh->disconnect("changed", callable_mp(this, &NavigationRegion3D::_navigation_changed));
}
navmesh = p_navmesh;
if (navmesh.is_valid()) {
navmesh->connect("changed", callable_mp(this, &NavigationRegion3D::_navigation_changed));
}
NavigationServer3D::get_singleton()->region_set_navmesh(region, p_navmesh);
if (debug_view && navmesh.is_valid()) {
Object::cast_to<MeshInstance3D>(debug_view)->set_mesh(navmesh->get_debug_mesh());
}
emit_signal(SNAME("navigation_mesh_changed"));
update_gizmos();
update_configuration_warnings();
}
Ref<NavigationMesh> NavigationRegion3D::get_navigation_mesh() const {
return navmesh;
}
struct BakeThreadsArgs {
NavigationRegion3D *nav_region = nullptr;
};
void _bake_navigation_mesh(void *p_user_data) {
BakeThreadsArgs *args = static_cast<BakeThreadsArgs *>(p_user_data);
if (args->nav_region->get_navigation_mesh().is_valid()) {
Ref<NavigationMesh> nav_mesh = args->nav_region->get_navigation_mesh()->duplicate();
NavigationServer3D::get_singleton()->region_bake_navmesh(nav_mesh, args->nav_region);
args->nav_region->call_deferred(SNAME("_bake_finished"), nav_mesh);
memdelete(args);
} else {
ERR_PRINT("Can't bake the navigation mesh if the `NavigationMesh` resource doesn't exist");
args->nav_region->call_deferred(SNAME("_bake_finished"), Ref<NavigationMesh>());
memdelete(args);
}
}
void NavigationRegion3D::bake_navigation_mesh() {
ERR_FAIL_COND_MSG(bake_thread.is_started(), "Unable to start another bake request. The navigation mesh bake thread is already baking a navigation mesh.");
BakeThreadsArgs *args = memnew(BakeThreadsArgs);
args->nav_region = this;
bake_thread.start(_bake_navigation_mesh, args);
}
void NavigationRegion3D::_bake_finished(Ref<NavigationMesh> p_nav_mesh) {
set_navigation_mesh(p_nav_mesh);
bake_thread.wait_to_finish();
emit_signal(SNAME("bake_finished"));
}
TypedArray<String> NavigationRegion3D::get_configuration_warnings() const {
TypedArray<String> warnings = Node::get_configuration_warnings();
if (is_visible_in_tree() && is_inside_tree()) {
if (!navmesh.is_valid()) {
warnings.push_back(TTR("A NavigationMesh resource must be set or created for this node to work."));
}
}
return warnings;
}
void NavigationRegion3D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_navigation_mesh", "navmesh"), &NavigationRegion3D::set_navigation_mesh);
ClassDB::bind_method(D_METHOD("get_navigation_mesh"), &NavigationRegion3D::get_navigation_mesh);
ClassDB::bind_method(D_METHOD("set_enabled", "enabled"), &NavigationRegion3D::set_enabled);
ClassDB::bind_method(D_METHOD("is_enabled"), &NavigationRegion3D::is_enabled);
ClassDB::bind_method(D_METHOD("set_layers", "layers"), &NavigationRegion3D::set_layers);
ClassDB::bind_method(D_METHOD("get_layers"), &NavigationRegion3D::get_layers);
ClassDB::bind_method(D_METHOD("bake_navigation_mesh"), &NavigationRegion3D::bake_navigation_mesh);
ClassDB::bind_method(D_METHOD("_bake_finished", "nav_mesh"), &NavigationRegion3D::_bake_finished);
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "navmesh", PROPERTY_HINT_RESOURCE_TYPE, "NavigationMesh"), "set_navigation_mesh", "get_navigation_mesh");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "enabled"), "set_enabled", "is_enabled");
ADD_PROPERTY(PropertyInfo(Variant::INT, "layers", PROPERTY_HINT_LAYERS_3D_NAVIGATION), "set_layers", "get_layers");
ADD_SIGNAL(MethodInfo("navigation_mesh_changed"));
ADD_SIGNAL(MethodInfo("bake_finished"));
}
void NavigationRegion3D::_navigation_changed() {
update_gizmos();
update_configuration_warnings();
}
NavigationRegion3D::NavigationRegion3D() {
set_notify_transform(true);
region = NavigationServer3D::get_singleton()->region_create();
}
NavigationRegion3D::~NavigationRegion3D() {
if (navmesh.is_valid()) {
navmesh->disconnect("changed", callable_mp(this, &NavigationRegion3D::_navigation_changed));
}
NavigationServer3D::get_singleton()->free(region);
}
|