Refactoring: Project structure, sprite stairs & fog masks rendering fix

2026-06-23 19:43:55 +02:00
parent 0ceae6f98b
commit 7d3003203c
89 changed files with 4576 additions and 1767 deletions
@@ -0,0 +1,75 @@
+import cv2
+import numpy as np
+from pyboy import PyBoy
+
+def main():
+    # Load PyBoy with the test gameover ROM
+    pyboy = PyBoy('test_gameover.gb', window='null', cgb=False)
+    
+    # Tick for 120 frames to let the game boot and sprites render
+    for _ in range(120):
+        pyboy.tick()
+        
+    # Grab screen buffer and convert it to OpenCV format
+    screen_image = pyboy.screen.image
+    # screen_image is a PIL Image. Convert to numpy array (RGB)
+    img_np = np.array(screen_image)
+    # Convert RGB to BGR for OpenCV
+    img_bgr = cv2.cvtColor(img_np, cv2.COLOR_RGB2BGR)
+    # Save the screenshot
+    cv2.imwrite('gameover_rendering.png', img_bgr)
+    print("Screenshot saved to gameover_rendering.png")
+    
+    # Analyze alignment using OpenCV
+    gray = cv2.cvtColor(img_bgr, cv2.COLOR_BGR2GRAY)
+    h, w = gray.shape
+    print(f"Screen size: {w}x{h}")
+    
+    # The background is white/light (value 255). The text has black/dark pixels.
+    # We use BINARY_INV to detect dark objects.
+    _, thresh = cv2.threshold(gray, 200, 255, cv2.THRESH_BINARY_INV)
+    
+    # Find all contours in the thresholded image
+    contours, _ = cv2.findContours(thresh, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)
+    
+    # Find the bounding box of elements in the lower half of the screen (y > 100) where "GAME OVER" is rendered
+    gameover_boxes = []
+    player_boxes = []
+    
+    for cnt in contours:
+        x, y, rw, rh = cv2.boundingRect(cnt)
+        if y > 80:
+            gameover_boxes.append((x, y, rw, rh))
+        else:
+            player_boxes.append((x, y, rw, rh))
+            
+    # Combine bounding boxes of GAME OVER parts
+    if len(gameover_boxes) > 0:
+        min_x = min(box[0] for box in gameover_boxes)
+        max_x = max(box[0] + box[2] for box in gameover_boxes)
+        min_y = min(box[1] for box in gameover_boxes)
+        max_y = max(box[1] + box[3] for box in gameover_boxes)
+        
+        text_width = max_x - min_x
+        text_height = max_y - min_y
+        center_x = min_x + text_width / 2.0
+        
+        print("\n--- OpenCV Alignment Verification ---")
+        print(f"GAME OVER text bounding box: x={min_x}, y={min_y}, w={text_width}, h={text_height}")
+        print(f"GAME OVER text horizontal center: {center_x}")
+        print(f"Target screen center: {w / 2.0}")
+        
+        # Verify alignment within 2 pixels tolerance
+        offset = abs(center_x - (w / 2.0))
+        print(f"Alignment offset: {offset} pixels")
+        if offset <= 2.0:
+            print("SUCCESS: The GAME OVER text is absolutely aligned (perfectly centered)!")
+        else:
+            print(f"WARNING: The GAME OVER text is off-center by {offset} pixels.")
+    else:
+        print("Error: Could not detect the GAME OVER text in the lower half of the screen.")
+        
+    pyboy.stop()
+
+if __name__ == '__main__':
+    main()