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Diffstat (limited to 'scene/2d/navigation_link_2d.cpp')
| -rw-r--r-- | scene/2d/navigation_link_2d.cpp | 288 |
1 files changed, 288 insertions, 0 deletions
diff --git a/scene/2d/navigation_link_2d.cpp b/scene/2d/navigation_link_2d.cpp new file mode 100644 index 0000000000..3f7e10eaea --- /dev/null +++ b/scene/2d/navigation_link_2d.cpp @@ -0,0 +1,288 @@ +/*************************************************************************/ +/* navigation_link_2d.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_link_2d.h" + +#include "core/math/geometry_2d.h" +#include "scene/resources/world_2d.h" +#include "servers/navigation_server_2d.h" +#include "servers/navigation_server_3d.h" + +void NavigationLink2D::_bind_methods() { + ClassDB::bind_method(D_METHOD("set_enabled", "enabled"), &NavigationLink2D::set_enabled); + ClassDB::bind_method(D_METHOD("is_enabled"), &NavigationLink2D::is_enabled); + + ClassDB::bind_method(D_METHOD("set_bidirectional", "bidirectional"), &NavigationLink2D::set_bidirectional); + ClassDB::bind_method(D_METHOD("is_bidirectional"), &NavigationLink2D::is_bidirectional); + + ClassDB::bind_method(D_METHOD("set_navigation_layers", "navigation_layers"), &NavigationLink2D::set_navigation_layers); + ClassDB::bind_method(D_METHOD("get_navigation_layers"), &NavigationLink2D::get_navigation_layers); + + ClassDB::bind_method(D_METHOD("set_navigation_layer_value", "layer_number", "value"), &NavigationLink2D::set_navigation_layer_value); + ClassDB::bind_method(D_METHOD("get_navigation_layer_value", "layer_number"), &NavigationLink2D::get_navigation_layer_value); + + ClassDB::bind_method(D_METHOD("set_start_location", "location"), &NavigationLink2D::set_start_location); + ClassDB::bind_method(D_METHOD("get_start_location"), &NavigationLink2D::get_start_location); + + ClassDB::bind_method(D_METHOD("set_end_location", "location"), &NavigationLink2D::set_end_location); + ClassDB::bind_method(D_METHOD("get_end_location"), &NavigationLink2D::get_end_location); + + ClassDB::bind_method(D_METHOD("set_enter_cost", "enter_cost"), &NavigationLink2D::set_enter_cost); + ClassDB::bind_method(D_METHOD("get_enter_cost"), &NavigationLink2D::get_enter_cost); + + ClassDB::bind_method(D_METHOD("set_travel_cost", "travel_cost"), &NavigationLink2D::set_travel_cost); + ClassDB::bind_method(D_METHOD("get_travel_cost"), &NavigationLink2D::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_2D_NAVIGATION), "set_navigation_layers", "get_navigation_layers"); + ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "start_location"), "set_start_location", "get_start_location"); + ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "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 NavigationLink2D::_notification(int p_what) { + switch (p_what) { + case NOTIFICATION_ENTER_TREE: { + if (enabled) { + NavigationServer2D::get_singleton()->link_set_map(link, get_world_2d()->get_navigation_map()); + + // Update global positions for the link. + Transform2D gt = get_global_transform(); + NavigationServer2D::get_singleton()->link_set_start_location(link, gt.xform(start_location)); + NavigationServer2D::get_singleton()->link_set_end_location(link, gt.xform(end_location)); + } + } break; + case NOTIFICATION_TRANSFORM_CHANGED: { + // Update global positions for the link. + Transform2D gt = get_global_transform(); + NavigationServer2D::get_singleton()->link_set_start_location(link, gt.xform(start_location)); + NavigationServer2D::get_singleton()->link_set_end_location(link, gt.xform(end_location)); + } break; + case NOTIFICATION_EXIT_TREE: { + NavigationServer2D::get_singleton()->link_set_map(link, RID()); + } break; + case NOTIFICATION_DRAW: { +#ifdef DEBUG_ENABLED + if (is_inside_tree() && (Engine::get_singleton()->is_editor_hint() || NavigationServer2D::get_singleton()->get_debug_enabled())) { + Color color; + if (enabled) { + color = NavigationServer2D::get_singleton()->get_debug_navigation_link_connection_color(); + } else { + color = NavigationServer2D::get_singleton()->get_debug_navigation_link_connection_disabled_color(); + } + + real_t radius = NavigationServer2D::get_singleton()->map_get_link_connection_radius(get_world_2d()->get_navigation_map()); + + draw_line(get_start_location(), get_end_location(), color); + draw_arc(get_start_location(), radius, 0, Math_TAU, 10, color); + draw_arc(get_end_location(), radius, 0, Math_TAU, 10, color); + } +#endif // DEBUG_ENABLED + } break; + } +} + +#ifdef TOOLS_ENABLED +Rect2 NavigationLink2D::_edit_get_rect() const { + if (!is_inside_tree()) { + return Rect2(); + } + + real_t radius = NavigationServer2D::get_singleton()->map_get_link_connection_radius(get_world_2d()->get_navigation_map()); + + Rect2 rect(get_start_location(), Size2()); + rect.expand_to(get_end_location()); + rect.grow_by(radius); + return rect; +} + +bool NavigationLink2D::_edit_is_selected_on_click(const Point2 &p_point, double p_tolerance) const { + Point2 segment[2] = { get_start_location(), get_end_location() }; + + Vector2 closest_point = Geometry2D::get_closest_point_to_segment(p_point, segment); + return p_point.distance_to(closest_point) < p_tolerance; +} +#endif // TOOLS_ENABLED + +void NavigationLink2D::set_enabled(bool p_enabled) { + if (enabled == p_enabled) { + return; + } + + enabled = p_enabled; + + if (!is_inside_tree()) { + return; + } + + if (!enabled) { + NavigationServer2D::get_singleton()->link_set_map(link, RID()); + } else { + NavigationServer2D::get_singleton()->link_set_map(link, get_world_2d()->get_navigation_map()); + } + +#ifdef DEBUG_ENABLED + if (Engine::get_singleton()->is_editor_hint() || NavigationServer2D::get_singleton()->get_debug_enabled()) { + queue_redraw(); + } +#endif // DEBUG_ENABLED +} + +void NavigationLink2D::set_bidirectional(bool p_bidirectional) { + if (bidirectional == p_bidirectional) { + return; + } + + bidirectional = p_bidirectional; + + NavigationServer2D::get_singleton()->link_set_bidirectional(link, bidirectional); +} + +void NavigationLink2D::set_navigation_layers(uint32_t p_navigation_layers) { + if (navigation_layers == p_navigation_layers) { + return; + } + + navigation_layers = p_navigation_layers; + + NavigationServer2D::get_singleton()->link_set_navigation_layers(link, navigation_layers); +} + +void NavigationLink2D::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 NavigationLink2D::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 NavigationLink2D::set_start_location(Vector2 p_location) { + if (start_location.is_equal_approx(p_location)) { + return; + } + + start_location = p_location; + + if (!is_inside_tree()) { + return; + } + + Transform2D gt = get_global_transform(); + NavigationServer2D::get_singleton()->link_set_start_location(link, gt.xform(start_location)); + + update_configuration_warnings(); + +#ifdef DEBUG_ENABLED + if (Engine::get_singleton()->is_editor_hint() || NavigationServer2D::get_singleton()->get_debug_enabled()) { + queue_redraw(); + } +#endif // DEBUG_ENABLED +} + +void NavigationLink2D::set_end_location(Vector2 p_location) { + if (end_location.is_equal_approx(p_location)) { + return; + } + + end_location = p_location; + + if (!is_inside_tree()) { + return; + } + + Transform2D gt = get_global_transform(); + NavigationServer2D::get_singleton()->link_set_end_location(link, gt.xform(end_location)); + + update_configuration_warnings(); + +#ifdef DEBUG_ENABLED + if (Engine::get_singleton()->is_editor_hint() || NavigationServer2D::get_singleton()->get_debug_enabled()) { + queue_redraw(); + } +#endif // DEBUG_ENABLED +} + +void NavigationLink2D::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()->link_set_enter_cost(link, enter_cost); +} + +void NavigationLink2D::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()->link_set_travel_cost(link, travel_cost); +} + +PackedStringArray NavigationLink2D::get_configuration_warnings() const { + PackedStringArray warnings = Node::get_configuration_warnings(); + + if (start_location.is_equal_approx(end_location)) { + warnings.push_back(RTR("NavigationLink2D start location should be different than the end location to be useful.")); + } + + return warnings; +} + +NavigationLink2D::NavigationLink2D() { + link = NavigationServer2D::get_singleton()->link_create(); + set_notify_transform(true); +} + +NavigationLink2D::~NavigationLink2D() { + NavigationServer2D::get_singleton()->free(link); + link = RID(); +} |