#!/bin/python3
# read packed tilemap file from argv[1] and output pngs

import sys
import io
import struct
from PIL import Image

color_map = (
	(0x00, 0x00, 0x00),
	(0x24, 0x24, 0x24),
	(0x49, 0x49, 0x49),
	(0x6d, 0x6d, 0x6d),
	(0x92, 0x92, 0x92),
	(0xb6, 0xb6, 0xb6),
	(0xda, 0xda, 0xda),
	(0xff, 0xff, 0xff),
)

img = Image.new('RGB', (16, 16))

buf = ""
with open(sys.argv[1], "rb") as f:
	buf = f.read()

i = 0
sprite_idx = 0
for x in range(0, len(buf), 2):
	word = 0x0000
	word |= buf[x]
	word |= buf[x+1] << 8

	for p in range(5):
		img.putpixel((i % 16, i // 16), color_map[(word >> (p * 3)) & 0b111])
		i += 1
		if i > 0xff:
			i = 0
			img.save(f"tiled/{sys.argv[1].replace('.bin','')}_{str(sprite_idx).zfill(2)}.png", format="PNG")
			img = Image.new('RGB', (16, 16))
			sprite_idx += 1
			break