Add NavigationRegion costs for pathfinding

Add NavigationRegion costs for pathfinding.

1 files changed, 30 insertions, 0 deletions

diff --git a/scene/2d/navigation_region_2d.cpp b/scene/2d/navigation_region_2d.cpp
index 41773d81c5..6f3222f27e 100644
--- a/scene/2d/navigation_region_2d.cpp
+++ b/scene/2d/navigation_region_2d.cpp
@@ -388,6 +388,26 @@ uint32_t NavigationRegion2D::get_layers() const {
 	return NavigationServer2D::get_singleton()->region_get_layers(region);
 }
 
+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.");
+	enter_cost = MAX(p_enter_cost, 0.0);
+	NavigationServer2D::get_singleton()->region_set_enter_cost(region, p_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.");
+	travel_cost = MAX(p_travel_cost, 0.0);
+	NavigationServer2D::get_singleton()->region_set_enter_cost(region, travel_cost);
+}
+
+real_t NavigationRegion2D::get_travel_cost() const {
+	return travel_cost;
+}
+
 RID NavigationRegion2D::get_region_rid() const {
 	return region;
 }
@@ -544,16 +564,26 @@ void NavigationRegion2D::_bind_methods() {
 
 	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("_navpoly_changed"), &NavigationRegion2D::_navpoly_changed);
 
 	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "navpoly", 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, "layers", PROPERTY_HINT_LAYERS_2D_NAVIGATION), "set_layers", "get_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");
 }
 
 NavigationRegion2D::NavigationRegion2D() {
 	set_notify_transform(true);
 	region = NavigationServer2D::get_singleton()->region_create();
+	NavigationServer2D::get_singleton()->region_set_enter_cost(region, get_enter_cost());
+	NavigationServer2D::get_singleton()->region_set_travel_cost(region, get_travel_cost());
 }
 
 NavigationRegion2D::~NavigationRegion2D() {