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MyObsidianVault/Knowledgebase/Godot/2D/Texture Atlas generation/Just use a custom pygame script.md

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+```python
+import pygame
+import os
+
+def create_spritesheet(image_paths, output_path, rows=1, padding=0):
+    """
+    Combine multiple images into a single spritesheet.
+    
+    Args:
+        image_paths (list): List of paths to source images
+        output_path (str): Path to save the combined spritesheet
+        rows (int): Number of rows in the spritesheet
+        padding (int): Pixel padding between images
+    """
+    if not image_paths:
+        raise ValueError("No images provided")
+    
+    # Load all images
+    images = []
+    max_width = 0
+    max_height = 0
+    
+    for path in image_paths:
+        try:
+            img = pygame.image.load(path)#.convert_alpha()
+            images.append(img)
+            max_width = max(max_width, img.get_width())
+            max_height = max(max_height, img.get_height())
+        except pygame.error as e:
+            print(f"Failed to load {path}: {e}")
+            continue
+    
+    if not images:
+        raise ValueError("No valid images loaded")
+    
+    # Calculate spritesheet dimensions
+    cols = (len(images) + rows - 1) // rows
+    sheet_width = cols * (max_width + padding) - padding
+    sheet_height = rows * (max_height + padding) - padding
+    
+    # Create blank spritesheet surface
+    spritesheet = pygame.Surface((sheet_width, sheet_height), pygame.SRCALPHA)
+    
+    # Blit images onto spritesheet
+    for i, img in enumerate(images):
+        row = i // cols
+        col = i % cols
+        x = col * (max_width + padding)
+        y = row * (max_height + padding)
+        spritesheet.blit(img, (x, y))
+    
+    # Save the spritesheet
+    pygame.image.save(spritesheet, output_path)
+    print(f"Spritesheet saved to {output_path}")
+
+
+pygame.init()
+
+filenames = os.listdir("./tiles")
+os.chdir("tiles")
+
+# List of image paths to combine
+image_files = filenames
+
+cols=8
+rows=len(image_files)//cols + 1
+print(f"cols: {cols}, rows: {rows}")
+
+## Create and save spritesheet
+create_spritesheet(image_files, "../spritesheet/combined_spritesheet.png", rows, padding=1)
+
+os.chdir("..")
+
+## Create+Store metadata
+mapping = ["x_col,y_col,tilename"]
+
+for index, filename in enumerate(image_files):
+    x_col = index // cols
+    y_row = index - x_col * cols
+    print(f"{index} - [{x_col},{y_row}] -> {filename}")
+    tilename = filename.split(".")[0]
+    mapping.append(  f"{x_col},{y_row},{tilename}" )
+
+print("Wrote spritesheet/combined_spritesheet.png")
+
+f = open("mapping.txt","w")
+f.write("\n".join(mapping))
+f.close()
+
+```
+