Merge pull request godotengine#90384 from groud/dont_save_some_default_tileset_props

TileSet: don't save angular and linear physics velocities if they have their default values

Author: akien-mga

scene/resources/2d/tile_set.cpp

@@ -6805,8 +6805,20 @@ void TileData::_get_property_list(List<PropertyInfo> *p_list) const {
 		// Physics layers.
 		p_list->push_back(PropertyInfo(Variant::NIL, GNAME("Physics", ""), PROPERTY_HINT_NONE, "", PROPERTY_USAGE_GROUP));
 		for (int i = 0; i < physics.size(); i++) {
-			p_list->push_back(PropertyInfo(Variant::VECTOR2, vformat("physics_layer_%d/%s", i, PNAME("linear_velocity")), PROPERTY_HINT_NONE));
-			p_list->push_back(PropertyInfo(Variant::FLOAT, vformat("physics_layer_%d/%s", i, PNAME("angular_velocity")), PROPERTY_HINT_NONE));
+			// physics_layer_%d/linear_velocity
+			property_info = PropertyInfo(Variant::VECTOR2, vformat("physics_layer_%d/%s", i, PNAME("linear_velocity")), PROPERTY_HINT_NONE);
+			if (physics[i].linear_velocity == Vector2()) {
+				property_info.usage ^= PROPERTY_USAGE_STORAGE;
+			}
+			p_list->push_back(property_info);
+
+			// physics_layer_%d/angular_velocity
+			property_info = PropertyInfo(Variant::FLOAT, vformat("physics_layer_%d/%s", i, PNAME("angular_velocity")), PROPERTY_HINT_NONE);
+			if (physics[i].angular_velocity == 0.0) {
+				property_info.usage ^= PROPERTY_USAGE_STORAGE;
+			}
+			p_list->push_back(property_info);
+
 			p_list->push_back(PropertyInfo(Variant::INT, vformat("physics_layer_%d/%s", i, PNAME("polygons_count")), PROPERTY_HINT_NONE, "", PROPERTY_USAGE_EDITOR));
 
 			for (int j = 0; j < physics[i].polygons.size(); j++) {