added phase 1 of gameplay and ui buttons

addons/cba/tool.gd

@@ -0,0 +1,38 @@
+@tool
+extends Window
+
+var preview:TextureRect
+
+var main:EditorPlugin
+
+func start():
+	if not Engine.is_editor_hint(): queue_free(); return
+	$"VBoxContainer/HBoxContainer/VBoxContainer/image picker".pressed.connect(_image_picker)
+	$"VBoxContainer/HBoxContainer/VBoxContainer/stretch mode".item_selected.connect(main.change_setting.bind("stretch"))
+	$"VBoxContainer/HBoxContainer/VBoxContainer/filter mode".item_selected.connect(main.change_setting.bind("filter"))
+	#$HBoxContainer/VBoxContainer2/ui_alpha.value_changed.connect(main.change_setting.bind("ui_alpha")) # too laggy
+	$VBoxContainer/HBoxContainer/VBoxContainer2/ui_color.popup_closed.connect(main.change_setting.bind(null, "ui_color"))
+	$VBoxContainer/HBoxContainer/VBoxContainer2/bg_modulate.color_changed.connect(main.change_setting.bind("bg_modulate"))
+	$VBoxContainer/edit_transparency.toggled.connect(main.change_setting.bind("edit_transparency"))
+	close_requested.connect(close)
+	preview = $VBoxContainer/PanelContainer/TextureRect # thank you onready
+	main.load_settings()
+
+func _input(event):
+	if event.is_action_pressed("ui_cancel"):
+		close()
+
+func close():
+	main.save_settings()
+	queue_free()
+
+func _image_picker():
+	var picker := EditorFileDialog.new()
+	picker.close_requested.connect(queue_free)
+	picker.file_selected.connect(main.change_setting.bind("image"))
+	picker.size = Vector2(700, 500)
+	picker.access = EditorFileDialog.ACCESS_FILESYSTEM
+	picker.file_mode = EditorFileDialog.FILE_MODE_OPEN_FILE
+	picker.filters = ["*.bmp, *.dds, *.exr, *.hdr, *.jpg, *.jpeg, *.png, *.tga, *.svg, *.svgz, *.webp; Supported Images"]
+	add_child(picker)
+	picker.popup_centered()