Resolve some issues with uasset manipulation

README.md

@@ -47,9 +47,9 @@ While making changes to a level, changes are automatically saved. Use the "Packa
 - [ ] Edit enemies
     - [x] Add
     - [x] Remove
-    - [ ] Set initial position based on camera view
-    - [ ] Issues when multiple enemy blueprints are added (Seama + Morte as example)
-    - [ ] Check some enemy blueprints not working
+    - [x] Set initial position based on camera view
+    - [x] Issues when multiple enemy blueprints are added (Seama + Morte as example)
+    - [ ] Check though all enemy blueprints to make sure they work well
 - [x] Edit the placement of any 3D static mesh in any room or remove them
     - [x] Undo/redo history
     - [x] Visual transform cursor

Scenes/Editor.gd

@@ -139,7 +139,7 @@ func save_room_edits(is_run_cleanup: bool = false):
 						if typeof(room_edits[category]) == TYPE_DICTIONARY:
 							if (
 								len(room_edits[category]["existing_exports"].keys()) > 0 or
-								len(room_edits[category]["existing_exports"]) > 0
+								len(room_edits[category]["new_exports"]) > 0
 							):
 								all_categories_has_any_edit = true
 								break
@@ -150,8 +150,14 @@ func save_room_edits(is_run_cleanup: bool = false):
 			var edits_folder = "user://UserPackages/" + selected_package + "/Edits"
 			var level_path = level_assets["bg"].rsplit("/", true, 1)[0]
 			var edits_file_path = edits_folder + "/" + level_path + "/" + selected_level_name + ".json"
+			var modified_asset_path = "user://UserPackages/" + selected_package + "/ModifiedAssets/" + level_path
 			if has_no_edits:
 				directory.remove(edits_file_path)
+				var files = DirectoryExt.list_files(modified_asset_path)
+				for file in files:
+					print_debug(file)
+					if file.begins_with(selected_level_name):
+						directory.remove(modified_asset_path + "/" + file)
 			else:
 				var edits_file = File.new()
 				var file_error = edits_file.open(edits_file_path, File.WRITE)

Scenes/Room3dDisplay.gd

@@ -329,6 +329,7 @@ func place_tree_nodes_recursive(parent: Spatial, definition: Dictionary, is_debu
 		for child_definition in definition["children"]:
 			place_tree_nodes_recursive(node, child_definition)
 	call_deferred("handle_tree_nodes_after_placement", node, definition)
+	return node
 
 func handle_tree_nodes_after_placement(node: Spatial, definition: Dictionary):
 	if (definition.has("deleted") and definition["deleted"]):
@@ -347,6 +348,21 @@ func use_edited_prop_if_exists(definition: Dictionary, export_index: int, prop_n
 # OBJECT SELECTION #
 ####################
 
+func get_room_walking_coordinate_at_camera_center():
+	var mouse_pos = Vector2(get_viewport().size.x / 2.0, get_viewport().size.y / 2.0)
+	var ray_length = 10000000
+	var ray_from = camera.project_ray_origin(mouse_pos)
+	var ray_to = ray_from + camera.project_ray_normal(mouse_pos) * ray_length
+	var direction = (ray_to - ray_from).normalized()
+
+	var axis = "z"
+	if direction[axis] == 0:
+		return null
+	var distance = (translation[axis] - ray_from[axis]) / direction[axis]
+	if distance < 0:
+		return null
+	return ray_from + direction * distance
+
 func select_object_at_mouse(is_add: bool = false):
 	if not can_select:
 		return

Scenes/RoomEdit.gd

@@ -829,10 +829,17 @@ func on_character_dialog_selected(character_profile):
 	Editor.create_room_edit_export(current_tree_name, new_export)
 
 	room_3d_display.current_placing_tree_name = current_tree_name
-	room_3d_display.place_tree_nodes_recursive(level_node, blueprint_snippet_definition)
+	var transform_node = room_3d_display.place_tree_nodes_recursive(level_node, blueprint_snippet_definition)
+
+	if transform_node.selection_transform_node:
+		transform_node = transform_node.selection_transform_node
+	var walking_coordinate = room_3d_display.get_room_walking_coordinate_at_camera_center()
+	if walking_coordinate != null:
+		transform_node.transform.origin = walking_coordinate
+		SpatialTransformAction.new(transform_node, Transform(), transform_node.transform).do()
 
 	build_object_outlines(current_tree_name)
-
+	
 func on_open_uasset_gui():
 	OS.execute(ProjectSettings.globalize_path("res://VendorBinary/UAssetGUI/UAssetGUI.exe"), [
 		# ProjectSettings.globalize_path("user://PakExtract/" + room_definition.level_assets[get_current_tree_name()]),

Utility/DirectoryExt.gd

@@ -21,3 +21,20 @@ static func remove_recursive(path):
 		directory.remove(path)
 	else:
 		print_debug("Error removing " + path)
+
+static func list_files(path):
+	var directory = Directory.new()
+	var files = []
+	directory.open(path)
+	directory.list_dir_begin()
+
+	while true:
+		var file = directory.get_next()
+		if file == "":
+			break
+		elif not file.begins_with(".") and not directory.current_is_dir():
+			files.append(file)
+
+	directory.list_dir_end()
+
+	return files