mirror of https://github.com/mgba-emu/mgba.git
77 lines
2.0 KiB
Python
77 lines
2.0 KiB
Python
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import numpy as np
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import PIL.Image
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import sys
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X_FLIP = 0x4000
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Y_FLIP = 0x8000
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PAL = 0x1000
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im = PIL.Image.open(sys.argv[1])
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tiles = np.array(np.split(np.array(np.split(np.array(im), 28, 0)), 32, 2))
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tilemapRaw = bytearray(32 * 28 * 2)
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tilemap = np.ndarray(shape=(28, 32), dtype='<u2', buffer=tilemapRaw)
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tiledata = [[0] * 64]
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for tid in np.mgrid[:32, :28].reshape(2, -1).T:
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tile = tiles[tuple(tid)]
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tid = tuple(np.flip(tid))
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data = list(tile.flatten())
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try:
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index = tiledata.index(data)
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tilemap[tid] = index | PAL
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continue
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except:
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pass
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data = list(np.flip(tile, 0).flatten())
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try:
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index = tiledata.index(data)
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tilemap[tid] = index | PAL | Y_FLIP
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continue
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except:
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pass
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data = list(np.flip(tile, 1).flatten())
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try:
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index = tiledata.index(data)
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tilemap[tid] = index | PAL | X_FLIP
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continue
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except:
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pass
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data = list(np.flip(np.flip(tile, 0), 1).flatten())
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try:
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index = tiledata.index(data)
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tilemap[tid] = index | PAL | X_FLIP | Y_FLIP
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continue
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except:
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pass
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data = list(tile.flatten())
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index = len(tiledata)
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tilemap[tid] = index | PAL
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tiledata.append(data)
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chardataRaw = bytearray(len(tiledata) * 32)
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for i, tile in enumerate(tiledata):
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for y in range(8):
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tileData = [0] * 4
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for x in range(8):
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t = tile[y * 8 + x]
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tileData[0] |= ((t & 1) >> 0) << (7 - x)
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tileData[1] |= ((t & 2) >> 1) << (7 - x)
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tileData[2] |= ((t & 4) >> 2) << (7 - x)
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tileData[3] |= ((t & 8) >> 3) << (7 - x)
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tileBase = i * 32 + y * 2
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print(tileBase)
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chardataRaw[tileBase + 0x00] = tileData[0]
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chardataRaw[tileBase + 0x01] = tileData[1]
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chardataRaw[tileBase + 0x10] = tileData[2]
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chardataRaw[tileBase + 0x11] = tileData[3]
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def printMem(mem):
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for i in range(len(mem) // 16):
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line = mem[i * 16:(i + 1) * 16]
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print(', '.join([f'0x{b:02X}' for b in line]) + ',')
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