Merge pull request #75678 from smix8/navregion_update_guards_4.x

Prevent unnecessary navigation map synchronizations

modules/navigation/nav_link.cpp

@@ -33,21 +33,33 @@
 #include "nav_map.h"
 
 void NavLink::set_map(NavMap *p_map) {
+	if (map == p_map) {
+		return;
+	}
 	map = p_map;
 	link_dirty = true;
 }
 
 void NavLink::set_bidirectional(bool p_bidirectional) {
+	if (bidirectional == p_bidirectional) {
+		return;
+	}
 	bidirectional = p_bidirectional;
 	link_dirty = true;
 }
 
 void NavLink::set_start_position(const Vector3 p_position) {
+	if (start_position == p_position) {
+		return;
+	}
 	start_position = p_position;
 	link_dirty = true;
 }
 
 void NavLink::set_end_position(const Vector3 p_position) {
+	if (end_position == p_position) {
+		return;
+	}
 	end_position = p_position;
 	link_dirty = true;
 }

modules/navigation/nav_map.cpp

@@ -54,21 +54,33 @@
 	}
 
 void NavMap::set_up(Vector3 p_up) {
+	if (up == p_up) {
+		return;
+	}
 	up = p_up;
 	regenerate_polygons = true;
 }
 
 void NavMap::set_cell_size(real_t p_cell_size) {
+	if (cell_size == p_cell_size) {
+		return;
+	}
 	cell_size = p_cell_size;
 	regenerate_polygons = true;
 }
 
 void NavMap::set_edge_connection_margin(real_t p_edge_connection_margin) {
+	if (edge_connection_margin == p_edge_connection_margin) {
+		return;
+	}
 	edge_connection_margin = p_edge_connection_margin;
 	regenerate_links = true;
 }
 
 void NavMap::set_link_connection_radius(real_t p_link_connection_radius) {
+	if (link_connection_radius == p_link_connection_radius) {
+		return;
+	}
 	link_connection_radius = p_link_connection_radius;
 	regenerate_links = true;
 }

modules/navigation/nav_region.cpp

@@ -33,6 +33,9 @@
 #include "nav_map.h"
 
 void NavRegion::set_map(NavMap *p_map) {
+	if (map == p_map) {
+		return;
+	}
 	map = p_map;
 	polygons_dirty = true;
 	if (!map) {
@@ -41,6 +44,9 @@ void NavRegion::set_map(NavMap *p_map) {
 }
 
 void NavRegion::set_transform(Transform3D p_transform) {
+	if (transform == p_transform) {
+		return;
+	}
 	transform = p_transform;
 	polygons_dirty = true;
 }

scene/2d/navigation_link_2d.cpp

@@ -106,19 +106,29 @@ void NavigationLink2D::_notification(int 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_position(link, gt.xform(start_position));
-				NavigationServer2D::get_singleton()->link_set_end_position(link, gt.xform(end_position));
 			}
+			current_global_transform = get_global_transform();
+			NavigationServer2D::get_singleton()->link_set_start_position(link, current_global_transform.xform(start_position));
+			NavigationServer2D::get_singleton()->link_set_end_position(link, current_global_transform.xform(end_position));
 		} break;
+
 		case NOTIFICATION_TRANSFORM_CHANGED: {
-			// Update global positions for the link.
-			Transform2D gt = get_global_transform();
-			NavigationServer2D::get_singleton()->link_set_start_position(link, gt.xform(start_position));
-			NavigationServer2D::get_singleton()->link_set_end_position(link, gt.xform(end_position));
+			set_physics_process_internal(true);
 		} break;
+
+		case NOTIFICATION_INTERNAL_PHYSICS_PROCESS: {
+			set_physics_process_internal(false);
+			if (is_inside_tree()) {
+				Transform2D new_global_transform = get_global_transform();
+				if (current_global_transform != new_global_transform) {
+					current_global_transform = new_global_transform;
+					NavigationServer2D::get_singleton()->link_set_start_position(link, current_global_transform.xform(start_position));
+					NavigationServer2D::get_singleton()->link_set_end_position(link, current_global_transform.xform(end_position));
+					queue_redraw();
+				}
+			}
+		} break;
+
 		case NOTIFICATION_EXIT_TREE: {
 			NavigationServer2D::get_singleton()->link_set_map(link, RID());
 		} break;
@@ -242,8 +252,7 @@ void NavigationLink2D::set_start_position(Vector2 p_position) {
 		return;
 	}
 
-	Transform2D gt = get_global_transform();
-	NavigationServer2D::get_singleton()->link_set_start_position(link, gt.xform(start_position));
+	NavigationServer2D::get_singleton()->link_set_start_position(link, current_global_transform.xform(start_position));
 
 	update_configuration_warnings();
 
@@ -265,8 +274,7 @@ void NavigationLink2D::set_end_position(Vector2 p_position) {
 		return;
 	}
 
-	Transform2D gt = get_global_transform();
-	NavigationServer2D::get_singleton()->link_set_end_position(link, gt.xform(end_position));
+	NavigationServer2D::get_singleton()->link_set_end_position(link, current_global_transform.xform(end_position));
 
 	update_configuration_warnings();
 

scene/2d/navigation_link_2d.h

@@ -45,6 +45,8 @@ class NavigationLink2D : public Node2D {
 	real_t enter_cost = 0.0;
 	real_t travel_cost = 1.0;
 
+	Transform2D current_global_transform;
+
 protected:
 	static void _bind_methods();
 	void _notification(int p_what);

scene/2d/navigation_region_2d.cpp

@@ -160,15 +160,12 @@ void NavigationRegion2D::_notification(int p_what) {
 					}
 				}
 			}
+			current_global_transform = get_global_transform();
+			NavigationServer2D::get_singleton()->region_set_transform(region, current_global_transform);
 		} break;
 
 		case NOTIFICATION_TRANSFORM_CHANGED: {
-			NavigationServer2D::get_singleton()->region_set_transform(region, get_global_transform());
-			for (uint32_t i = 0; i < constrain_avoidance_obstacles.size(); i++) {
-				if (constrain_avoidance_obstacles[i].is_valid()) {
-					NavigationServer2D::get_singleton()->obstacle_set_position(constrain_avoidance_obstacles[i], get_global_position());
-				}
-			}
+			set_physics_process_internal(true);
 		} break;
 
 		case NOTIFICATION_EXIT_TREE: {
@@ -183,6 +180,24 @@ void NavigationRegion2D::_notification(int p_what) {
 			}
 		} break;
 
+		case NOTIFICATION_INTERNAL_PHYSICS_PROCESS: {
+			set_physics_process_internal(false);
+			if (is_inside_tree()) {
+				Transform2D new_global_transform = get_global_transform();
+				if (current_global_transform != new_global_transform) {
+					current_global_transform = new_global_transform;
+					NavigationServer2D::get_singleton()->region_set_transform(region, current_global_transform);
+					queue_redraw();
+
+					for (uint32_t i = 0; i < constrain_avoidance_obstacles.size(); i++) {
+						if (constrain_avoidance_obstacles[i].is_valid()) {
+							NavigationServer2D::get_singleton()->obstacle_set_position(constrain_avoidance_obstacles[i], get_global_position());
+						}
+					}
+				}
+			}
+		} 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()) {

scene/2d/navigation_region_2d.h

@@ -47,6 +47,8 @@ class NavigationRegion2D : public Node2D {
 	LocalVector<RID> constrain_avoidance_obstacles;
 	uint32_t avoidance_layers = 1;
 
+	Transform2D current_global_transform;
+
 	void _navigation_polygon_changed();
 	void _map_changed(RID p_RID);
 

scene/3d/navigation_link_3d.cpp

@@ -141,6 +141,8 @@ void NavigationLink3D::_update_debug_mesh() {
 	} else {
 		RS::get_singleton()->instance_set_surface_override_material(debug_instance, 0, disabled_link_material->get_rid());
 	}
+
+	RS::get_singleton()->instance_set_transform(debug_instance, current_global_transform);
 }
 #endif // DEBUG_ENABLED
 
@@ -215,29 +217,37 @@ void NavigationLink3D::_notification(int 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_position(link, gt.xform(start_position));
-				NavigationServer3D::get_singleton()->link_set_end_position(link, gt.xform(end_position));
 			}
+			current_global_transform = get_global_transform();
+			NavigationServer3D::get_singleton()->link_set_start_position(link, current_global_transform.xform(start_position));
+			NavigationServer3D::get_singleton()->link_set_end_position(link, current_global_transform.xform(end_position));
 
 #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_position(link, gt.xform(start_position));
-			NavigationServer3D::get_singleton()->link_set_end_position(link, gt.xform(end_position));
+			set_physics_process_internal(true);
+		} break;
 
+		case NOTIFICATION_INTERNAL_PHYSICS_PROCESS: {
+			set_physics_process_internal(false);
+			if (is_inside_tree()) {
+				Transform3D new_global_transform = get_global_transform();
+				if (current_global_transform != new_global_transform) {
+					current_global_transform = new_global_transform;
+					NavigationServer3D::get_singleton()->link_set_start_position(link, current_global_transform.xform(start_position));
+					NavigationServer3D::get_singleton()->link_set_end_position(link, current_global_transform.xform(end_position));
 #ifdef DEBUG_ENABLED
-			if (is_inside_tree() && debug_instance.is_valid()) {
-				RS::get_singleton()->instance_set_transform(debug_instance, get_global_transform());
-			}
+					if (debug_instance.is_valid()) {
+						RS::get_singleton()->instance_set_transform(debug_instance, current_global_transform);
+					}
 #endif // DEBUG_ENABLED
+				}
+			}
 		} break;
+
 		case NOTIFICATION_EXIT_TREE: {
 			NavigationServer3D::get_singleton()->link_set_map(link, RID());
 
@@ -359,8 +369,7 @@ void NavigationLink3D::set_start_position(Vector3 p_position) {
 		return;
 	}
 
-	Transform3D gt = get_global_transform();
-	NavigationServer3D::get_singleton()->link_set_start_position(link, gt.xform(start_position));
+	NavigationServer3D::get_singleton()->link_set_start_position(link, current_global_transform.xform(start_position));
 
 #ifdef DEBUG_ENABLED
 	_update_debug_mesh();
@@ -381,8 +390,7 @@ void NavigationLink3D::set_end_position(Vector3 p_position) {
 		return;
 	}
 
-	Transform3D gt = get_global_transform();
-	NavigationServer3D::get_singleton()->link_set_end_position(link, gt.xform(end_position));
+	NavigationServer3D::get_singleton()->link_set_end_position(link, current_global_transform.xform(end_position));
 
 #ifdef DEBUG_ENABLED
 	_update_debug_mesh();

scene/3d/navigation_link_3d.h

@@ -45,6 +45,8 @@ class NavigationLink3D : public Node3D {
 	real_t enter_cost = 0.0;
 	real_t travel_cost = 1.0;
 
+	Transform3D current_global_transform;
+
 #ifdef DEBUG_ENABLED
 	RID debug_instance;
 	Ref<ArrayMesh> debug_mesh;

scene/3d/navigation_region_3d.cpp

@@ -157,6 +157,8 @@ void NavigationRegion3D::_notification(int p_what) {
 			if (enabled) {
 				NavigationServer3D::get_singleton()->region_set_map(region, get_world_3d()->get_navigation_map());
 			}
+			current_global_transform = get_global_transform();
+			NavigationServer3D::get_singleton()->region_set_transform(region, current_global_transform);
 
 #ifdef DEBUG_ENABLED
 			if (NavigationServer3D::get_singleton()->get_debug_navigation_enabled()) {
@@ -167,14 +169,24 @@ void NavigationRegion3D::_notification(int p_what) {
 		} break;
 
 		case NOTIFICATION_TRANSFORM_CHANGED: {
-			NavigationServer3D::get_singleton()->region_set_transform(region, get_global_transform());
+			set_physics_process_internal(true);
 
+		} break;
+
+		case NOTIFICATION_INTERNAL_PHYSICS_PROCESS: {
+			set_physics_process_internal(false);
+			if (is_inside_tree()) {
+				Transform3D new_global_transform = get_global_transform();
+				if (current_global_transform != new_global_transform) {
+					current_global_transform = new_global_transform;
+					NavigationServer3D::get_singleton()->region_set_transform(region, current_global_transform);
 #ifdef DEBUG_ENABLED
-			if (is_inside_tree() && debug_instance.is_valid()) {
-				RS::get_singleton()->instance_set_transform(debug_instance, get_global_transform());
-			}
+					if (debug_instance.is_valid()) {
+						RS::get_singleton()->instance_set_transform(debug_instance, current_global_transform);
+					}
 #endif // DEBUG_ENABLED
-
+				}
+			}
 		} break;
 
 		case NOTIFICATION_EXIT_TREE: {
@@ -552,6 +564,7 @@ void NavigationRegion3D::_update_debug_mesh() {
 	RS::get_singleton()->instance_set_base(debug_instance, debug_mesh->get_rid());
 	if (is_inside_tree()) {
 		RS::get_singleton()->instance_set_scenario(debug_instance, get_world_3d()->get_scenario());
+		RS::get_singleton()->instance_set_transform(debug_instance, current_global_transform);
 		RS::get_singleton()->instance_set_visible(debug_instance, is_visible_in_tree());
 	}
 	if (!is_enabled()) {

scene/3d/navigation_region_3d.h

@@ -44,6 +44,8 @@ class NavigationRegion3D : public Node3D {
 	real_t travel_cost = 1.0;
 	Ref<NavigationMesh> navigation_mesh;
 
+	Transform3D current_global_transform;
+
 	Thread bake_thread;
 
 	void _navigation_changed();