godot/scene/2d/navigation_region_2d.cpp
smix8 2b19c70664 Fix 2D navigation debug visuals ignoring half the ProjectSettings
Fixes that NavigationRegion2D and TileMap debug visuals ignored more or less half the ProjectSetting. E.g. random color could not be disabled, edges did not display.
2023-02-13 11:42:23 +01:00

375 lines
16 KiB
C++

/**************************************************************************/
/* navigation_region_2d.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_region_2d.h"
#include "core/core_string_names.h"
#include "scene/resources/world_2d.h"
#include "servers/navigation_server_2d.h"
#include "servers/navigation_server_3d.h"
void NavigationRegion2D::set_enabled(bool p_enabled) {
if (enabled == p_enabled) {
return;
}
enabled = p_enabled;
if (!is_inside_tree()) {
return;
}
if (!enabled) {
NavigationServer2D::get_singleton()->region_set_map(region, RID());
NavigationServer2D::get_singleton()->disconnect("map_changed", callable_mp(this, &NavigationRegion2D::_map_changed));
} else {
NavigationServer2D::get_singleton()->region_set_map(region, get_world_2d()->get_navigation_map());
NavigationServer2D::get_singleton()->connect("map_changed", callable_mp(this, &NavigationRegion2D::_map_changed));
}
#ifdef DEBUG_ENABLED
if (Engine::get_singleton()->is_editor_hint() || NavigationServer3D::get_singleton()->get_debug_enabled()) {
queue_redraw();
}
#endif // DEBUG_ENABLED
}
bool NavigationRegion2D::is_enabled() const {
return enabled;
}
void NavigationRegion2D::set_navigation_layers(uint32_t p_navigation_layers) {
if (navigation_layers == p_navigation_layers) {
return;
}
navigation_layers = p_navigation_layers;
NavigationServer2D::get_singleton()->region_set_navigation_layers(region, navigation_layers);
}
uint32_t NavigationRegion2D::get_navigation_layers() const {
return navigation_layers;
}
void NavigationRegion2D::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 NavigationRegion2D::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 NavigationRegion2D::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;
NavigationServer2D::get_singleton()->region_set_enter_cost(region, enter_cost);
}
real_t NavigationRegion2D::get_enter_cost() const {
return enter_cost;
}
void NavigationRegion2D::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;
NavigationServer2D::get_singleton()->region_set_travel_cost(region, travel_cost);
}
real_t NavigationRegion2D::get_travel_cost() const {
return travel_cost;
}
RID NavigationRegion2D::get_region_rid() const {
return region;
}
#ifdef TOOLS_ENABLED
Rect2 NavigationRegion2D::_edit_get_rect() const {
return navigation_polygon.is_valid() ? navigation_polygon->_edit_get_rect() : Rect2();
}
bool NavigationRegion2D::_edit_is_selected_on_click(const Point2 &p_point, double p_tolerance) const {
return navigation_polygon.is_valid() ? navigation_polygon->_edit_is_selected_on_click(p_point, p_tolerance) : false;
}
#endif
void NavigationRegion2D::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
if (enabled) {
NavigationServer2D::get_singleton()->region_set_map(region, get_world_2d()->get_navigation_map());
NavigationServer2D::get_singleton()->connect("map_changed", callable_mp(this, &NavigationRegion2D::_map_changed));
}
} break;
case NOTIFICATION_TRANSFORM_CHANGED: {
NavigationServer2D::get_singleton()->region_set_transform(region, get_global_transform());
} break;
case NOTIFICATION_EXIT_TREE: {
NavigationServer2D::get_singleton()->region_set_map(region, RID());
if (enabled) {
NavigationServer2D::get_singleton()->disconnect("map_changed", callable_mp(this, &NavigationRegion2D::_map_changed));
}
} break;
case NOTIFICATION_DRAW: {
#ifdef DEBUG_ENABLED
if (is_inside_tree() && (Engine::get_singleton()->is_editor_hint() || NavigationServer2D::get_singleton()->get_debug_enabled()) && navigation_polygon.is_valid()) {
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();
bool enable_edge_connections = ns2d->get_debug_navigation_enable_edge_connections();
Color debug_face_color = ns2d->get_debug_navigation_geometry_face_color();
Color debug_edge_color = ns2d->get_debug_navigation_geometry_edge_color();
Color debug_edge_connection_color = ns2d->get_debug_navigation_edge_connection_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);
}
}
if (enable_edge_connections) {
// 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
} break;
}
}
void NavigationRegion2D::set_navigation_polygon(const Ref<NavigationPolygon> &p_navigation_polygon) {
if (p_navigation_polygon == navigation_polygon) {
return;
}
if (navigation_polygon.is_valid()) {
navigation_polygon->disconnect(CoreStringNames::get_singleton()->changed, callable_mp(this, &NavigationRegion2D::_navigation_polygon_changed));
}
navigation_polygon = p_navigation_polygon;
NavigationServer2D::get_singleton()->region_set_navigation_polygon(region, p_navigation_polygon);
if (navigation_polygon.is_valid()) {
navigation_polygon->connect(CoreStringNames::get_singleton()->changed, callable_mp(this, &NavigationRegion2D::_navigation_polygon_changed));
}
_navigation_polygon_changed();
update_configuration_warnings();
}
Ref<NavigationPolygon> NavigationRegion2D::get_navigation_polygon() const {
return navigation_polygon;
}
void NavigationRegion2D::_navigation_polygon_changed() {
if (is_inside_tree() && (Engine::get_singleton()->is_editor_hint() || get_tree()->is_debugging_navigation_hint())) {
queue_redraw();
}
if (navigation_polygon.is_valid()) {
NavigationServer2D::get_singleton()->region_set_navigation_polygon(region, navigation_polygon);
}
}
void NavigationRegion2D::_map_changed(RID p_map) {
#ifdef DEBUG_ENABLED
if (is_inside_tree() && get_world_2d()->get_navigation_map() == p_map) {
queue_redraw();
}
#endif // DEBUG_ENABLED
}
PackedStringArray NavigationRegion2D::get_configuration_warnings() const {
PackedStringArray warnings = Node2D::get_configuration_warnings();
if (is_visible_in_tree() && is_inside_tree()) {
if (!navigation_polygon.is_valid()) {
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."));
}
}
return warnings;
}
void NavigationRegion2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_navigation_polygon", "navigation_polygon"), &NavigationRegion2D::set_navigation_polygon);
ClassDB::bind_method(D_METHOD("get_navigation_polygon"), &NavigationRegion2D::get_navigation_polygon);
ClassDB::bind_method(D_METHOD("set_enabled", "enabled"), &NavigationRegion2D::set_enabled);
ClassDB::bind_method(D_METHOD("is_enabled"), &NavigationRegion2D::is_enabled);
ClassDB::bind_method(D_METHOD("set_navigation_layers", "navigation_layers"), &NavigationRegion2D::set_navigation_layers);
ClassDB::bind_method(D_METHOD("get_navigation_layers"), &NavigationRegion2D::get_navigation_layers);
ClassDB::bind_method(D_METHOD("set_navigation_layer_value", "layer_number", "value"), &NavigationRegion2D::set_navigation_layer_value);
ClassDB::bind_method(D_METHOD("get_navigation_layer_value", "layer_number"), &NavigationRegion2D::get_navigation_layer_value);
ClassDB::bind_method(D_METHOD("get_region_rid"), &NavigationRegion2D::get_region_rid);
ClassDB::bind_method(D_METHOD("set_enter_cost", "enter_cost"), &NavigationRegion2D::set_enter_cost);
ClassDB::bind_method(D_METHOD("get_enter_cost"), &NavigationRegion2D::get_enter_cost);
ClassDB::bind_method(D_METHOD("set_travel_cost", "travel_cost"), &NavigationRegion2D::set_travel_cost);
ClassDB::bind_method(D_METHOD("get_travel_cost"), &NavigationRegion2D::get_travel_cost);
ClassDB::bind_method(D_METHOD("_navigation_polygon_changed"), &NavigationRegion2D::_navigation_polygon_changed);
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "navigation_polygon", PROPERTY_HINT_RESOURCE_TYPE, "NavigationPolygon"), "set_navigation_polygon", "get_navigation_polygon");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "enabled"), "set_enabled", "is_enabled");
ADD_PROPERTY(PropertyInfo(Variant::INT, "navigation_layers", PROPERTY_HINT_LAYERS_2D_NAVIGATION), "set_navigation_layers", "get_navigation_layers");
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");
}
#ifndef DISABLE_DEPRECATED
// Compatibility with earlier 4.0 betas.
bool NavigationRegion2D::_set(const StringName &p_name, const Variant &p_value) {
if (p_name == "navpoly") {
set_navigation_polygon(p_value);
return true;
}
return false;
}
bool NavigationRegion2D::_get(const StringName &p_name, Variant &r_ret) const {
if (p_name == "navpoly") {
r_ret = get_navigation_polygon();
return true;
}
return false;
}
#endif // DISABLE_DEPRECATED
NavigationRegion2D::NavigationRegion2D() {
set_notify_transform(true);
set_hide_clip_children(true);
region = NavigationServer2D::get_singleton()->region_create();
NavigationServer2D::get_singleton()->region_set_owner_id(region, get_instance_id());
NavigationServer2D::get_singleton()->region_set_enter_cost(region, get_enter_cost());
NavigationServer2D::get_singleton()->region_set_travel_cost(region, get_travel_cost());
#ifdef DEBUG_ENABLED
NavigationServer3D::get_singleton()->connect("map_changed", callable_mp(this, &NavigationRegion2D::_map_changed));
NavigationServer3D::get_singleton()->connect("navigation_debug_changed", callable_mp(this, &NavigationRegion2D::_map_changed));
#endif // DEBUG_ENABLED
}
NavigationRegion2D::~NavigationRegion2D() {
ERR_FAIL_NULL(NavigationServer2D::get_singleton());
NavigationServer2D::get_singleton()->free(region);
#ifdef DEBUG_ENABLED
NavigationServer3D::get_singleton()->disconnect("map_changed", callable_mp(this, &NavigationRegion2D::_map_changed));
NavigationServer3D::get_singleton()->disconnect("navigation_debug_changed", callable_mp(this, &NavigationRegion2D::_map_changed));
#endif // DEBUG_ENABLED
}