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mgba
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Tools: Spit out dotcodes that mGBA can read

This commit is contained in:
Vicki Pfau 2021-03-30 23:45:38 -07:00
parent 4bb8744cd5
commit 2e0c245e2d
1 changed files with 61 additions and 61 deletions
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122
tools/make-dotcode.py
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@ -34,8 +34,6 @@ for i in range(16):
for i in range(16): for i in range(16):
gg[i] = rev[gg[i]] gg[i] = rev[gg[i]]
print(*[hex(x) for x in gg])
def interleave(data, header): def interleave(data, header):
data = data.reshape([-1, 48]).T data = data.reshape([-1, 48]).T
new_data = np.zeros((64, data.shape[1]), dtype=data.dtype) new_data = np.zeros((64, data.shape[1]), dtype=data.dtype)
@ -88,67 +86,69 @@ def bin2raw(data):
new_data = interleave(np.frombuffer(data, np.uint8), header) new_data = interleave(np.frombuffer(data, np.uint8), header)
return new_data.tobytes() return new_data.tobytes()
with open(sys.argv[1], 'rb') as f: def make_dotcode(data):
data = f.read()
size = len(data)
if size in (1344, 2112):
data = bin2raw(data)
size = len(data) size = len(data)
with open('dotcode.raw', 'wb') as f:
f.write(data)
blocks = size // blocksize if size in (1344, 2112):
height = 36 data = bin2raw(data)
width = 35 size = len(data)
margin = 2
dots = np.zeros((width * blocks + margin * 2 + 1, height + margin * 2), dtype=np.bool) blocks = size // blocksize
anchor = np.array([[0, 1, 1, 1, 0], height = 36
[1, 1, 1, 1, 1], width = 35
[1, 1, 1, 1, 1], margin = 2
[1, 1, 1, 1, 1],
[0, 1, 1, 1, 0]], dtype=np.bool)
alignment = np.array([1, 1, 1, 1, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0], dtype=np.bool)
nybbles = [[0, 0, 0, 0, 0], [0, 0, 0, 0, 1], [0, 0, 0, 1, 0], [1, 0, 0, 1, 0],
[0, 0, 1, 0, 0], [0, 0, 1, 0, 1], [0, 0, 1, 1, 0], [1, 0, 1, 1, 0],
[0, 1, 0, 0, 0], [0, 1, 0, 0, 1], [0, 1, 0, 1, 0], [1, 0, 1, 0, 0],
[0, 1, 1, 0, 0], [0, 1, 1, 0, 1], [1, 0, 0, 0, 1], [1, 0, 0, 0, 0]]
addr = [0x03FF]
for i in range(1, 54):
addr.append(addr[i - 1] ^ ((i & -i) * 0x769))
if (i & 0x07) == 0:
addr[i] ^= 0x769
if (i & 0x0F) == 0:
addr[i] ^= 0x769 << 1
if (i & 0x1F) == 0:
addr[i] ^= (0x769 << 2) ^ 0x769
base = 1 if blocks == 18 else 25 dots = np.zeros((width * blocks + margin * 2 + 1, height + margin * 2), dtype=bool)
for i in range(blocks + 1): anchor = np.array([[0, 1, 1, 1, 0],
dots[i * width:i * width + 5, 0:5] = anchor [1, 1, 1, 1, 1],
dots[i * width:i * width + 5, height + margin * 2 - 5:height + margin * 2] = anchor [1, 1, 1, 1, 1],
dots[i * width + margin, margin + 5] = 1 [1, 1, 1, 1, 1],
a = addr[base + i] [0, 1, 1, 1, 0]], dtype=bool)
for j in range(16): alignment = np.array([1, 1, 1, 1, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0], dtype=bool)
dots[i * width + margin, margin + 14 + j] = a & (1 << (15 - j)) nybbles = [[0, 0, 0, 0, 0], [0, 0, 0, 0, 1], [0, 0, 0, 1, 0], [1, 0, 0, 1, 0],
for i in range(blocks): [0, 0, 1, 0, 0], [0, 0, 1, 0, 1], [0, 0, 1, 1, 0], [1, 0, 1, 1, 0],
dots[i * width:(i + 1) * width, margin] = alignment [0, 1, 0, 0, 0], [0, 1, 0, 0, 1], [0, 1, 0, 1, 0], [1, 0, 1, 0, 0],
dots[i * width:(i + 1) * width, height + margin - 1] = alignment [0, 1, 1, 0, 0], [0, 1, 1, 0, 1], [1, 0, 0, 0, 1], [1, 0, 0, 0, 0]]
block = [] addr = [0x03FF]
for byte in data[i * blocksize:(i + 1) * blocksize]: for i in range(1, 54):
block.extend(nybbles[byte >> 4]) addr.append(addr[i - 1] ^ ((i & -i) * 0x769))
block.extend(nybbles[byte & 0xF]) if (i & 0x07) == 0:
j = 0 addr[i] ^= 0x769
for y in range(3): if (i & 0x0F) == 0:
dots[i * width + margin + 5:i * width + margin + 31, margin + 2 + y] = block[j:j + 26] addr[i] ^= 0x769 << 1
j += 26 if (i & 0x1F) == 0:
for y in range(26): addr[i] ^= (0x769 << 2) ^ 0x769
dots[i * width + margin + 1:i * width + margin + 35, margin + 5 + y] = block[j:j + 34]
j += 34 base = 1 if blocks == 18 else 25
for y in range(3): for i in range(blocks + 1):
dots[i * width + margin + 5:i * width + margin + 31, margin + 31 + y] = block[j:j + 26] dots[i * width:i * width + 5, 0:5] = anchor
j += 26 dots[i * width:i * width + 5, height + margin * 2 - 5:height + margin * 2] = anchor
im = PIL.Image.fromarray(dots.T) dots[i * width + margin, margin + 5] = 1
a = addr[base + i]
for j in range(16):
dots[i * width + margin, margin + 14 + j] = a & (1 << (15 - j))
for i in range(blocks):
dots[i * width:(i + 1) * width, margin] = alignment
dots[i * width:(i + 1) * width, height + margin - 1] = alignment
block = []
for byte in data[i * blocksize:(i + 1) * blocksize]:
block.extend(nybbles[byte >> 4])
block.extend(nybbles[byte & 0xF])
j = 0
for y in range(3):
dots[i * width + margin + 5:i * width + margin + 31, margin + 2 + y] = block[j:j + 26]
j += 26
for y in range(26):
dots[i * width + margin + 1:i * width + margin + 35, margin + 5 + y] = block[j:j + 34]
j += 34
for y in range(3):
dots[i * width + margin + 5:i * width + margin + 31, margin + 31 + y] = block[j:j + 26]
j += 26
return np.pad(dots.T, 2)
with open(sys.argv[1], 'rb') as f:
dots = make_dotcode(f.read())
im = PIL.Image.fromarray(dots)
im = PIL.ImageChops.invert(im) im = PIL.ImageChops.invert(im)
im.save('dotcode.png') im.save('dotcode.bmp')