Aggiungi supporto per SDL e sostituisci il sistema grafico basato su Tkinter

rats.py

@@ -1,21 +1,19 @@
-import json
-import tkinter as tk
 import random
 from units import rat
 import uuid
 import subprocess
-from engine import maze, graphics
+from engine import maze, sdl2 as engine
 
 class MiceMaze:
     def __init__(self, maze_file):
         self.map = maze.Map(maze_file)
         self.audio = True
         self.cell_size = 60
-        self.engine = graphics.GameWindow(self.map.width, self.map.height, self.cell_size)
+        self.engine = engine.GameWindow(self.map.width, self.map.height, self.cell_size, "Mice!", key_callback=self.key_pressed)
         self.graphics_load()
-        self.engine.bind("<KeyPress>", self.key_pressed)
         self.units = {}
-        self.new_rat()
+        for _ in range(5):
+            self.new_rat()
 
     def new_rat(self, position=None):
         if position is None:
@@ -34,11 +32,11 @@ class MiceMaze:
         return random.choice(self._valid_positions)
 
     def draw_maze(self):
-        for y in range(self.map.height):
-            for x in range(self.map.width):
-                variant = random.randint(0, 3)
-                tile = self.grasses[variant] if self.map.matrix[y][x] else self.tunnel
-                self.engine.draw_image(x*self.cell_size, y*self.cell_size, tile, tag="maze", anchor="nw")
+        for y, row in enumerate(self.map.matrix):
+            for x, cell in enumerate(row):
+                variant = x*y % 4
+                tile = self.grasses[variant] if cell else self.tunnel
+                self.engine.draw_image(x * self.cell_size, y * self.cell_size, tile, tag="maze")
 
     def update_maze(self):
         self.engine.delete_tag("unit")
@@ -46,13 +44,13 @@ class MiceMaze:
             unit.move()
             unit.collisions()
             unit.draw()
-        self.engine.update_status(f"Units: {len(self.units)}")
+        self.engine.update_status(f"Mice: {len(self.units)}")
         self.engine.new_cycle(50, self.update_maze)
 
+
     def run(self):
         self.draw_maze()
-        self.update_maze()
-        self.engine.mainloop()
+        self.engine.mainloop(update=self.update_maze, bg_update=self.draw_maze)
 
     def key_pressed(self, event):
         if event.keysym == "q":