Merge pull request #74800 from smix8/navagent2d_thin_line_4.x

Allow negative NavigationAgent2D path debug line_width for thin lines

doc/classes/NavigationAgent2D.xml

@@ -117,7 +117,7 @@
 		<member name="debug_path_custom_color" type="Color" setter="set_debug_path_custom_color" getter="get_debug_path_custom_color" default="Color(1, 1, 1, 1)">
 			If [member debug_use_custom] is [code]true[/code] uses this color for this agent instead of global color.
 		</member>
-		<member name="debug_path_custom_line_width" type="float" setter="set_debug_path_custom_line_width" getter="get_debug_path_custom_line_width" default="1.0">
+		<member name="debug_path_custom_line_width" type="float" setter="set_debug_path_custom_line_width" getter="get_debug_path_custom_line_width" default="-1.0">
 			If [member debug_use_custom] is [code]true[/code] uses this line width for rendering paths for this agent instead of global line width.
 		</member>
 		<member name="debug_path_custom_point_size" type="float" setter="set_debug_path_custom_point_size" getter="get_debug_path_custom_point_size" default="4.0">

scene/2d/navigation_agent_2d.cpp

@@ -124,8 +124,8 @@ void NavigationAgent2D::_bind_methods() {
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "debug_enabled"), "set_debug_enabled", "get_debug_enabled");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "debug_use_custom"), "set_debug_use_custom", "get_debug_use_custom");
 	ADD_PROPERTY(PropertyInfo(Variant::COLOR, "debug_path_custom_color"), "set_debug_path_custom_color", "get_debug_path_custom_color");
-	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "debug_path_custom_point_size", PROPERTY_HINT_RANGE, "1,50,1,suffix:px"), "set_debug_path_custom_point_size", "get_debug_path_custom_point_size");
-	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "debug_path_custom_line_width", PROPERTY_HINT_RANGE, "1,50,1,suffix:px"), "set_debug_path_custom_line_width", "get_debug_path_custom_line_width");
+	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "debug_path_custom_point_size", PROPERTY_HINT_RANGE, "0,50,0.01,or_greater,suffix:px"), "set_debug_path_custom_point_size", "get_debug_path_custom_point_size");
+	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "debug_path_custom_line_width", PROPERTY_HINT_RANGE, "-1,50,0.01,or_greater,suffix:px"), "set_debug_path_custom_line_width", "get_debug_path_custom_line_width");
 
 	ADD_SIGNAL(MethodInfo("path_changed"));
 	ADD_SIGNAL(MethodInfo("target_reached"));
@@ -734,7 +734,7 @@ void NavigationAgent2D::set_debug_path_custom_point_size(float p_point_size) {
 		return;
 	}
 
-	debug_path_custom_point_size = MAX(0.1, p_point_size);
+	debug_path_custom_point_size = MAX(0.0, p_point_size);
 	debug_path_dirty = true;
 #endif // DEBUG_ENABLED
 }
@@ -803,6 +803,10 @@ void NavigationAgent2D::_update_debug_path() {
 
 	RenderingServer::get_singleton()->canvas_item_add_polyline(debug_path_instance, navigation_path, debug_path_colors, debug_path_custom_line_width, false);
 
+	if (debug_path_custom_point_size <= 0.0) {
+		return;
+	}
+
 	float point_size = NavigationServer2D::get_singleton()->get_debug_navigation_agent_path_point_size();
 	float half_point_size = point_size * 0.5;
 

scene/2d/navigation_agent_2d.h

@@ -76,7 +76,7 @@ class NavigationAgent2D : public Node {
 	// Debug properties for exposed bindings
 	bool debug_enabled = false;
 	float debug_path_custom_point_size = 4.0;
-	float debug_path_custom_line_width = 1.0;
+	float debug_path_custom_line_width = -1.0;
 	bool debug_use_custom = false;
 	Color debug_path_custom_color = Color(1.0, 1.0, 1.0, 1.0);
 #ifdef DEBUG_ENABLED