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30 lines
814 B
Python
30 lines
814 B
Python
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#!/usr/bin/env python
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from PIL import Image
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def make_cx16_palette(palette: list[int]) -> bytes:
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cx16palette = bytearray()
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for pi in range(0, len(palette), 3):
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r, g, b = palette[pi] >> 4, palette[pi + 1] >> 4, palette[pi + 2] >> 4
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cx16palette.append(g << 4 | b)
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cx16palette.append(r)
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return cx16palette
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img = Image.open("dragonsprite.png")
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assert img.size == (64, 128) and img.mode == 'P'
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data = bytearray()
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for y in range(0, 128):
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for x in range(0, 64, 2):
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pix1 = img.getpixel((x, y))
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pix2 = img.getpixel((x + 1, y))
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data.append(pix1 << 4 | pix2)
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palette = make_cx16_palette(img.getpalette())
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assert len(data) == 64 * 128 / 2
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assert len(palette) <= 16*2
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open("DRAGONSPRITE.PAL", "wb").write(palette)
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open("DRAGONSPRITE.BIN", "wb").write(data)
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