Fix meshasset not saving texture card height offset, recalculating density and updating signals

Author: TokisanGames

project/addons/terrain_3d/src/asset_dock.gd

@@ -792,8 +792,8 @@ class ListEntry extends VBoxContainer:
 				var ma := Terrain3DMeshAsset.new()
 				if resource is Terrain3DMeshAsset:
 					ma.id = resource.id
-				ma.set_scene_file(res)
 				set_edited_resource(ma, false)
+				ma.set_scene_file(res)
 				resource = ma
 			elif res is Terrain3DMeshAsset and type == Terrain3DAssets.TYPE_MESH:
 				if resource is Terrain3DMeshAsset:

src/terrain_3d_mesh_asset.cpp

@@ -26,10 +26,6 @@ void Terrain3DMeshAsset::_set_generated_type(const GenType p_type) {
 		LOG(DEBUG, "Generating card mesh");
 		_meshes.push_back(_get_generated_mesh());
 		_set_material_override(_get_material());
-		_height_offset = 0.5f;
-		_generated_faces = 2;
-		_relative_density = 10.f;
-		_calculated_density = 10.f;
 	}
 }
 
@@ -262,15 +258,18 @@ void Terrain3DMeshAsset::set_scene_file(const Ref<PackedScene> &p_scene_file) {
 			Ref<Mesh> mesh = _meshes[0];
 			_calculated_density = CLAMP(10.f / mesh->get_aabb().get_volume(), 0.01f, 10.0f);
 			_relative_density = _calculated_density;
-			LOG(DEBUG, "Emitting file_changed");
-			emit_signal("file_changed");
 		} else {
 			LOG(ERROR, "No MeshInstance3D found in scene file");
 		}
 		notify_property_list_changed();
 	} else {
 		set_generated_type(TYPE_TEXTURE_CARD);
+		_relative_density = 10.f;
+		_calculated_density = 10.f;
 	}
+	LOG(DEBUG, "Emitting file_changed");
+	emit_signal("file_changed");
+	emit_signal("instancer_setting_changed");
 }
 
 void Terrain3DMeshAsset::set_material_override(const Ref<Material> &p_material) {