Initialize SDL and load graphics assets in GameWindow constructor

engine/sdl2.py

@@ -25,6 +25,7 @@ class GameWindow:
         self.max_h_offset = self.target_size[1] - self.height
         self.scale = self.target_size[1] // self.cell_size
         print(f"Screen size: {self.width}x{self.height}")
+        
         sdl2.ext.init(joystick=True)
         sdl2.SDL_Init(sdl2.SDL_INIT_AUDIO)
         
@@ -35,6 +36,8 @@ class GameWindow:
         self.renderer = sdl2.ext.Renderer(self.window, flags=sdl2.SDL_RENDERER_ACCELERATED)
         self.factory = sdl2.ext.SpriteFactory(renderer=self.renderer)
         self.fonts = self.generate_fonts("assets/decterm.ttf")
+        self.dialog("Loading assets...")
+        self.renderer.present()
         self.running = True
         self.key_down, self.key_up, self.axis_scroll = key_callback
         self.performance = 0

rats.py

@@ -17,10 +17,10 @@ class MiceMaze(controls.KeyBindings):
         self.engine = engine.GameWindow(self.map.width, self.map.height, 
                                         self.cell_size, "Mice!", 
                                         key_callback=(self.key_pressed, self.key_released, self.axis_scroll))
+        self.graphics_load()
         self.pointer = (random.randint(1, self.map.width-2), random.randint(1, self.map.height-2))
         self.scroll_cursor()
         self.points = 0
-        self.graphics_load()
         self.units = {}
         self.unit_positions = {}
         self.unit_positions_before = {}