from PIL import Image
import numpy as np
import sys

def parseSprite(file_name, sprite_8x16=False, sprite_8x8=False, sprite_1bpp=False):
    file = Image.open(file_name).convert("RGB")
    
    px_array = np.asarray(file)
    
    def getpx(sprite_nb, x, y):
        double_sprite_nb = int(sprite_nb / 4)
        sprite_double_line = int(double_sprite_nb / (file.width / 16))
        sprite_double_column = int(double_sprite_nb % (file.width / 16))
        sprite_tile_y = 1 if sprite_nb & 0b10 else 0
        sprite_tile_x = 1 if sprite_nb & 0b01 else 0
    
        if sprite_8x16 or file.width < 16:
            sprite_tile_x ^= sprite_tile_y
            sprite_tile_y ^= sprite_tile_x
            sprite_tile_x ^= sprite_tile_y
    
        sprite_line = sprite_double_line * 2 + sprite_tile_y
        sprite_column = sprite_double_column * 2 + sprite_tile_x
    
        if sprite_8x8:
            sprite_line = int(sprite_nb / (file.width / 8))
            sprite_column = int(sprite_nb % (file.width / 8))
    
        if file.width < 16:
            sprite_line = sprite_column * 2 + sprite_line
            sprite_column = 0
    
        return [int(x) for x in px_array[int(sprite_line * 8 + y)][int(sprite_column * 8 + x)]]
    
    
    if file.width % 8 != 0 or file.height % 8 != 0:
        raise ValueError("Width and height must be multiples of 8px")
    
    sprite_nb = int((file.width / 8) * (file.height / 8))
    
    result = ""
    for nb in range(0, sprite_nb):
        result1 = [0,0,0,0,0,0,0,0]
        result2 = [0,0,0,0,0,0,0,0]
        for y in range(0, 8):
            for x in range(0, 8):
                px = getpx(nb, x, y)
                dw = px[0] - 0xe0 + px[1] - 0xf8 + px[2] - 0xd0
                dlg = px[0] - 0x88 + px[1] - 0xc0 + px[2] - 0x70
                ddg = px[0] - 0x34 + px[1] - 0x68 + px[2] - 0x56
                db = px[0] - 0x08 + px[1] - 0x18 + px[2] - 0x20
        
                if min(abs(db), abs(ddg)) < min(abs(dlg), abs(dw)):
                    result2[y] |= 1 << (7-x)
                if min(abs(db), abs(dlg)) < min(abs(ddg), abs(dw)):
                    result1[y] |= 1 << (7-x)
                
                if abs(db) < min(abs(dw), abs(dlg), abs(ddg)):
                    result += "#"
                elif abs(ddg) < min(abs(dw), abs(dlg), abs(db)):
                    result += ";"
                elif abs(dlg) < min(abs(dw), abs(ddg), abs(db)):
                    result += "."
                else:
                    result += " "
            result += "\n"
        result += "\n\n"
        for i in range(0, 8):
            if sprite_1bpp:
                if i == 0:
                    result += (".DB $%02x" % (result1[i]))
                else:
                    result += (", $%02x" % (result1[i]))
            else:
                if i == 0:
                    result += (".DB $%02x, $%02x" % (result1[i], result2[i]))
                else:
                    result += (", $%02x, $%02x" % (result1[i], result2[i]))
        result += ("\n\n")
    return result

if __name__ == "__main__": 
    sprite_8x16 = "--8x16" in sys.argv
    
    sprite_8x8 = "--8x8" in sys.argv
    
    sprite_1bpp = "--1bpp" in sys.argv

    file_name = sys.argv[1]

    print(parseSprite(file_name, sprite_8x16=sprite_8x16, sprite_8x8=sprite_8x8, sprite_1bpp=sprite_1bpp))