fix: Huge cleanup (#420)

Co-authored-by: Dennis Ploeger <develop@dieploegers.de>

addons/escoria-core/ui_library/tools/room_select/room_select.gd

@@ -0,0 +1,64 @@
+# A small utility to quickly switch to a room while developing
+extends OptionButton
+
+
+# The selected option
+var _selected_id = 0
+
+
+# The path to available rooms
+var _options_paths = []
+
+
+# Build up the list of rooms
+func _ready():
+	var rooms_folder = ProjectSettings.get_setting(
+		"escoria/debug/room_selector_room_dir"
+	)
+	if rooms_folder == "" or \
+		not ProjectSettings.get_setting("escoria/debug/enable_room_selector"):
+		return
+	var dir = Directory.new()
+	var rooms_list: Array = []
+	var path = ProjectSettings.globalize_path(rooms_folder)
+	if not OS.has_feature("editor"):
+		path = OS.get_executable_path().get_base_dir().plus_file(path)
+	var tmp = dir.open(path)
+	if tmp == OK:
+		dir.list_dir_begin(true)
+		var file_name = dir.get_next()
+		while file_name != "":
+			if dir.current_is_dir():
+				rooms_list.push_back(file_name)
+			file_name = dir.get_next()
+		
+		rooms_list.sort()
+		for room in rooms_list:
+			add_item(room)
+			_options_paths.push_back("%s/%s/%s.tscn" %[
+				rooms_folder,
+				room,
+				room
+			])
+
+	else:
+		escoria.logger.report_warnings("room_select.gd:_ready()", 
+			["A problem occurred while opening rooms folder."])
+	
+
+# Switch to the selected room
+func _on_button_pressed():
+	var script = escoria.esc_compiler.compile([
+		":debug",
+		"change_scene %s" % _options_paths[_selected_id]
+	])
+	escoria.event_manager.interrupt_running_event()
+	escoria.event_manager.queue_event(script.events['debug'])
+
+
+# A room was selected, store the selection
+#
+# #### Parameters
+# - index: The index of the selected room in the paths list
+func _on_option_item_selected(index):
+	_selected_id = index

addons/escoria-core/ui_library/tools/room_select/room_select.tscn

@@ -0,0 +1,25 @@
+[gd_scene load_steps=2 format=2]
+
+[ext_resource path="res://addons/escoria-core/ui_library/tools/room_select/room_select.gd" type="Script" id=1]
+
+[node name="room_select" type="HBoxContainer"]
+margin_right = 63.0
+margin_bottom = 40.0005
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="option" type="OptionButton" parent="."]
+margin_right = 29.0
+margin_bottom = 40.0
+size_flags_horizontal = 3
+script = ExtResource( 1 )
+
+[node name="button" type="Button" parent="."]
+margin_left = 33.0
+margin_right = 63.0
+margin_bottom = 40.0
+text = "Go"
+
+[connection signal="item_selected" from="option" to="option" method="_on_option_item_selected"]
+[connection signal="pressed" from="button" to="option" method="_on_button_pressed"]