godot/scene/3d/navigation_link_3d.cpp
Josh Jones a0715b30f9 Rework const on NavigationServer methods
`const` is used on all methods, even when they cause modification of the server.  This reworks the methods of the server to only use `const` on method that don't change the state of the server.
2023-01-07 17:29:00 -08:00

394 lines
15 KiB
C++

/**************************************************************************/
/* navigation_link_3d.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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. */
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/**************************************************************************/
#include "navigation_link_3d.h"
#include "mesh_instance_3d.h"
#include "servers/navigation_server_3d.h"
#ifdef DEBUG_ENABLED
void NavigationLink3D::_update_debug_mesh() {
if (!is_inside_tree()) {
return;
}
if (Engine::get_singleton()->is_editor_hint()) {
// don't update inside Editor as node 3d gizmo takes care of this
// as collisions and selections for Editor Viewport need to be updated
return;
}
if (!NavigationServer3D::get_singleton()->get_debug_enabled()) {
if (debug_instance.is_valid()) {
RS::get_singleton()->instance_set_visible(debug_instance, false);
}
return;
}
if (!debug_instance.is_valid()) {
debug_instance = RenderingServer::get_singleton()->instance_create();
}
if (!debug_mesh.is_valid()) {
debug_mesh = Ref<ArrayMesh>(memnew(ArrayMesh));
}
RID nav_map = get_world_3d()->get_navigation_map();
real_t search_radius = NavigationServer3D::get_singleton()->map_get_link_connection_radius(nav_map);
Vector3 up_vector = NavigationServer3D::get_singleton()->map_get_up(nav_map);
Vector3::Axis up_axis = up_vector.max_axis_index();
debug_mesh->clear_surfaces();
Vector<Vector3> lines;
// Draw line between the points.
lines.push_back(start_location);
lines.push_back(end_location);
// Draw start location search radius
for (int i = 0; i < 30; i++) {
// Create a circle
const float ra = Math::deg_to_rad((float)(i * 12));
const float rb = Math::deg_to_rad((float)((i + 1) * 12));
const Point2 a = Vector2(Math::sin(ra), Math::cos(ra)) * search_radius;
const Point2 b = Vector2(Math::sin(rb), Math::cos(rb)) * search_radius;
// Draw axis-aligned circle
switch (up_axis) {
case Vector3::AXIS_X:
lines.append(start_location + Vector3(0, a.x, a.y));
lines.append(start_location + Vector3(0, b.x, b.y));
break;
case Vector3::AXIS_Y:
lines.append(start_location + Vector3(a.x, 0, a.y));
lines.append(start_location + Vector3(b.x, 0, b.y));
break;
case Vector3::AXIS_Z:
lines.append(start_location + Vector3(a.x, a.y, 0));
lines.append(start_location + Vector3(b.x, b.y, 0));
break;
}
}
// Draw end location search radius
for (int i = 0; i < 30; i++) {
// Create a circle
const float ra = Math::deg_to_rad((float)(i * 12));
const float rb = Math::deg_to_rad((float)((i + 1) * 12));
const Point2 a = Vector2(Math::sin(ra), Math::cos(ra)) * search_radius;
const Point2 b = Vector2(Math::sin(rb), Math::cos(rb)) * search_radius;
// Draw axis-aligned circle
switch (up_axis) {
case Vector3::AXIS_X:
lines.append(end_location + Vector3(0, a.x, a.y));
lines.append(end_location + Vector3(0, b.x, b.y));
break;
case Vector3::AXIS_Y:
lines.append(end_location + Vector3(a.x, 0, a.y));
lines.append(end_location + Vector3(b.x, 0, b.y));
break;
case Vector3::AXIS_Z:
lines.append(end_location + Vector3(a.x, a.y, 0));
lines.append(end_location + Vector3(b.x, b.y, 0));
break;
}
}
Array mesh_array;
mesh_array.resize(Mesh::ARRAY_MAX);
mesh_array[Mesh::ARRAY_VERTEX] = lines;
debug_mesh->add_surface_from_arrays(Mesh::PRIMITIVE_LINES, mesh_array);
RS::get_singleton()->instance_set_base(debug_instance, debug_mesh->get_rid());
RS::get_singleton()->instance_set_scenario(debug_instance, get_world_3d()->get_scenario());
RS::get_singleton()->instance_set_visible(debug_instance, is_visible_in_tree());
Ref<StandardMaterial3D> link_material = NavigationServer3D::get_singleton()->get_debug_navigation_link_connections_material();
Ref<StandardMaterial3D> disabled_link_material = NavigationServer3D::get_singleton()->get_debug_navigation_link_connections_disabled_material();
if (enabled) {
RS::get_singleton()->instance_set_surface_override_material(debug_instance, 0, link_material->get_rid());
} else {
RS::get_singleton()->instance_set_surface_override_material(debug_instance, 0, disabled_link_material->get_rid());
}
}
#endif // DEBUG_ENABLED
void NavigationLink3D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_enabled", "enabled"), &NavigationLink3D::set_enabled);
ClassDB::bind_method(D_METHOD("is_enabled"), &NavigationLink3D::is_enabled);
ClassDB::bind_method(D_METHOD("set_bidirectional", "bidirectional"), &NavigationLink3D::set_bidirectional);
ClassDB::bind_method(D_METHOD("is_bidirectional"), &NavigationLink3D::is_bidirectional);
ClassDB::bind_method(D_METHOD("set_navigation_layers", "navigation_layers"), &NavigationLink3D::set_navigation_layers);
ClassDB::bind_method(D_METHOD("get_navigation_layers"), &NavigationLink3D::get_navigation_layers);
ClassDB::bind_method(D_METHOD("set_navigation_layer_value", "layer_number", "value"), &NavigationLink3D::set_navigation_layer_value);
ClassDB::bind_method(D_METHOD("get_navigation_layer_value", "layer_number"), &NavigationLink3D::get_navigation_layer_value);
ClassDB::bind_method(D_METHOD("set_start_location", "location"), &NavigationLink3D::set_start_location);
ClassDB::bind_method(D_METHOD("get_start_location"), &NavigationLink3D::get_start_location);
ClassDB::bind_method(D_METHOD("set_end_location", "location"), &NavigationLink3D::set_end_location);
ClassDB::bind_method(D_METHOD("get_end_location"), &NavigationLink3D::get_end_location);
ClassDB::bind_method(D_METHOD("set_enter_cost", "enter_cost"), &NavigationLink3D::set_enter_cost);
ClassDB::bind_method(D_METHOD("get_enter_cost"), &NavigationLink3D::get_enter_cost);
ClassDB::bind_method(D_METHOD("set_travel_cost", "travel_cost"), &NavigationLink3D::set_travel_cost);
ClassDB::bind_method(D_METHOD("get_travel_cost"), &NavigationLink3D::get_travel_cost);
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "enabled"), "set_enabled", "is_enabled");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "bidirectional"), "set_bidirectional", "is_bidirectional");
ADD_PROPERTY(PropertyInfo(Variant::INT, "navigation_layers", PROPERTY_HINT_LAYERS_3D_NAVIGATION), "set_navigation_layers", "get_navigation_layers");
ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "start_location"), "set_start_location", "get_start_location");
ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "end_location"), "set_end_location", "get_end_location");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "enter_cost"), "set_enter_cost", "get_enter_cost");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "travel_cost"), "set_travel_cost", "get_travel_cost");
}
void NavigationLink3D::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
if (enabled) {
NavigationServer3D::get_singleton()->link_set_map(link, get_world_3d()->get_navigation_map());
// Update global positions for the link.
Transform3D gt = get_global_transform();
NavigationServer3D::get_singleton()->link_set_start_location(link, gt.xform(start_location));
NavigationServer3D::get_singleton()->link_set_end_location(link, gt.xform(end_location));
}
#ifdef DEBUG_ENABLED
_update_debug_mesh();
#endif // DEBUG_ENABLED
} break;
case NOTIFICATION_TRANSFORM_CHANGED: {
// Update global positions for the link.
Transform3D gt = get_global_transform();
NavigationServer3D::get_singleton()->link_set_start_location(link, gt.xform(start_location));
NavigationServer3D::get_singleton()->link_set_end_location(link, gt.xform(end_location));
#ifdef DEBUG_ENABLED
if (is_inside_tree() && debug_instance.is_valid()) {
RS::get_singleton()->instance_set_transform(debug_instance, get_global_transform());
}
#endif // DEBUG_ENABLED
} break;
case NOTIFICATION_EXIT_TREE: {
NavigationServer3D::get_singleton()->link_set_map(link, RID());
#ifdef DEBUG_ENABLED
if (debug_instance.is_valid()) {
RS::get_singleton()->instance_set_scenario(debug_instance, RID());
RS::get_singleton()->instance_set_visible(debug_instance, false);
}
#endif // DEBUG_ENABLED
} break;
}
}
NavigationLink3D::NavigationLink3D() {
link = NavigationServer3D::get_singleton()->link_create();
NavigationServer3D::get_singleton()->link_set_owner_id(link, get_instance_id());
set_notify_transform(true);
}
NavigationLink3D::~NavigationLink3D() {
ERR_FAIL_NULL(NavigationServer3D::get_singleton());
NavigationServer3D::get_singleton()->free(link);
link = RID();
#ifdef DEBUG_ENABLED
ERR_FAIL_NULL(RenderingServer::get_singleton());
if (debug_instance.is_valid()) {
RenderingServer::get_singleton()->free(debug_instance);
}
if (debug_mesh.is_valid()) {
RenderingServer::get_singleton()->free(debug_mesh->get_rid());
}
#endif // DEBUG_ENABLED
}
void NavigationLink3D::set_enabled(bool p_enabled) {
if (enabled == p_enabled) {
return;
}
enabled = p_enabled;
if (!is_inside_tree()) {
return;
}
if (enabled) {
NavigationServer3D::get_singleton()->link_set_map(link, get_world_3d()->get_navigation_map());
} else {
NavigationServer3D::get_singleton()->link_set_map(link, RID());
}
#ifdef DEBUG_ENABLED
if (debug_instance.is_valid() && debug_mesh.is_valid()) {
if (enabled) {
Ref<StandardMaterial3D> link_material = NavigationServer3D::get_singleton()->get_debug_navigation_link_connections_material();
RS::get_singleton()->instance_set_surface_override_material(debug_instance, 0, link_material->get_rid());
} else {
Ref<StandardMaterial3D> disabled_link_material = NavigationServer3D::get_singleton()->get_debug_navigation_link_connections_disabled_material();
RS::get_singleton()->instance_set_surface_override_material(debug_instance, 0, disabled_link_material->get_rid());
}
}
#endif // DEBUG_ENABLED
update_gizmos();
}
void NavigationLink3D::set_bidirectional(bool p_bidirectional) {
if (bidirectional == p_bidirectional) {
return;
}
bidirectional = p_bidirectional;
NavigationServer3D::get_singleton()->link_set_bidirectional(link, bidirectional);
}
void NavigationLink3D::set_navigation_layers(uint32_t p_navigation_layers) {
if (navigation_layers == p_navigation_layers) {
return;
}
navigation_layers = p_navigation_layers;
NavigationServer3D::get_singleton()->link_set_navigation_layers(link, navigation_layers);
}
void NavigationLink3D::set_navigation_layer_value(int p_layer_number, bool p_value) {
ERR_FAIL_COND_MSG(p_layer_number < 1, "Navigation layer number must be between 1 and 32 inclusive.");
ERR_FAIL_COND_MSG(p_layer_number > 32, "Navigation layer number must be between 1 and 32 inclusive.");
uint32_t _navigation_layers = get_navigation_layers();
if (p_value) {
_navigation_layers |= 1 << (p_layer_number - 1);
} else {
_navigation_layers &= ~(1 << (p_layer_number - 1));
}
set_navigation_layers(_navigation_layers);
}
bool NavigationLink3D::get_navigation_layer_value(int p_layer_number) const {
ERR_FAIL_COND_V_MSG(p_layer_number < 1, false, "Navigation layer number must be between 1 and 32 inclusive.");
ERR_FAIL_COND_V_MSG(p_layer_number > 32, false, "Navigation layer number must be between 1 and 32 inclusive.");
return get_navigation_layers() & (1 << (p_layer_number - 1));
}
void NavigationLink3D::set_start_location(Vector3 p_location) {
if (start_location.is_equal_approx(p_location)) {
return;
}
start_location = p_location;
if (!is_inside_tree()) {
return;
}
Transform3D gt = get_global_transform();
NavigationServer3D::get_singleton()->link_set_start_location(link, gt.xform(start_location));
#ifdef DEBUG_ENABLED
_update_debug_mesh();
#endif // DEBUG_ENABLED
update_gizmos();
update_configuration_warnings();
}
void NavigationLink3D::set_end_location(Vector3 p_location) {
if (end_location.is_equal_approx(p_location)) {
return;
}
end_location = p_location;
if (!is_inside_tree()) {
return;
}
Transform3D gt = get_global_transform();
NavigationServer3D::get_singleton()->link_set_end_location(link, gt.xform(end_location));
#ifdef DEBUG_ENABLED
_update_debug_mesh();
#endif // DEBUG_ENABLED
update_gizmos();
update_configuration_warnings();
}
void NavigationLink3D::set_enter_cost(real_t p_enter_cost) {
ERR_FAIL_COND_MSG(p_enter_cost < 0.0, "The enter_cost must be positive.");
if (Math::is_equal_approx(enter_cost, p_enter_cost)) {
return;
}
enter_cost = p_enter_cost;
NavigationServer3D::get_singleton()->link_set_enter_cost(link, enter_cost);
}
void NavigationLink3D::set_travel_cost(real_t p_travel_cost) {
ERR_FAIL_COND_MSG(p_travel_cost < 0.0, "The travel_cost must be positive.");
if (Math::is_equal_approx(travel_cost, p_travel_cost)) {
return;
}
travel_cost = p_travel_cost;
NavigationServer3D::get_singleton()->link_set_travel_cost(link, travel_cost);
}
PackedStringArray NavigationLink3D::get_configuration_warnings() const {
PackedStringArray warnings = Node::get_configuration_warnings();
if (start_location.is_equal_approx(end_location)) {
warnings.push_back(RTR("NavigationLink3D start location should be different than the end location to be useful."));
}
return warnings;
}