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#!/usr/bin/env python3
# SPDX-License-Identifier: BSD-3-Clause
import sys
import struct
def read():
try:
return sys.stdin.buffer.read()
except AttributeError:
return sys.stdin.read()
def write(out):
try:
sys.stdout.buffer.write(out)
except AttributeError:
sys.stdout.write(out)
def main():
# read PLAYPAL from stdin, write minimal doom2.wad to stdout
if sys.stdin.isatty():
print(
"Usage: %s < playpal.lmp > doom2.wad" % sys.argv[0],
file=sys.stderr,
)
sys.exit(1)
# three lumps needed - see bootstrap/README.txt
lumps = [
(b"PLAYPAL", read()),
(b"TEXTURE1", struct.pack("i", 0)), # empty texture1
(b"PNAMES", struct.pack("i8s", 1, b"")),
] # single pname
# calculate wad directory (lump offsets etc.)
pos = 12
waddir = []
for name, data in lumps:
waddir.append((pos, len(data), name))
pos += len(data)
# write wad header
write(struct.pack("4sii", b"IWAD", len(waddir), pos))
# write lump contents
for name, data in lumps:
write(data)
# write wad directory
for i in waddir:
write(struct.pack("ii8s", *i))
if __name__ == "__main__":
main()
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