ext_texture_format and first_frame_drawn for swapchaing copying

app/scripts/ui/world/splash_screen.gd

@@ -0,0 +1,41 @@
+extends TextureRect
+class_name SplashScreen
+
+@export var gate_events: GateEvents
+@export var ui_events: UiEvents
+@export var splash_screen: Texture2D
+
+@onready var width: int = int(ui_events.current_ui_size.x)
+@onready var height: int = int(ui_events.current_ui_size.y)
+
+
+func _ready():
+	gate_events.gate_info_loaded.connect(show_thumbnail)
+	gate_events.gate_entered.connect(show_splash_screen)
+	
+	# Change size
+	show_splash_screen()
+
+
+func show_thumbnail(gate: Gate, is_cached: bool) -> void:
+	if is_cached: return # Resource pack is already downloaded
+	
+	var image: Image
+	var tex = FileTools.load_external_tex(gate.image)
+	
+	if tex != null: image = resize_and_convert(tex.get_image(), Image.FORMAT_RGB8)
+	else: image = Image.create(width, height, false, Image.FORMAT_RGB8)
+	
+	self.texture = ImageTexture.create_from_image(image)
+
+
+func show_splash_screen() -> void:
+	var image = resize_and_convert(splash_screen.get_image(), Image.FORMAT_RGBA8)
+	self.texture = ImageTexture.create_from_image(image)
+
+
+func resize_and_convert(image: Image, format: Image.Format) -> Image:
+	image.resize(width, height)
+	image.convert(format)
+	#image.clear_mipmaps()
+	return image