Stan/0ad
1
0
Fork 0
forked from 0ad/0ad
Code Pull Requests Activity

Fixes A19 map converter script to be compatible with Python 2 (uses struct instead of to_bytes and from_bytes)

Browse Source 
This was SVN commit r16763.
This commit is contained in:
historic_bruno 2015-06-14 17:53:12 +00:00
parent d676b047a0
commit 0e7f0f861b
1 changed files with 9 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
source/tools/mapcompatibility/a18_to_a19.py
View File

@ -25,6 +25,7 @@
import argparse
import io
import os
import struct
import sys
parser = argparse.ArgumentParser(description="Convert maps compatible with 0 A.D. version Alpha XVIII (A18) to maps compatible with version Alpha XIX (A19), or the other way around.")
@ -51,27 +52,27 @@ for xmlFile in args.files:
f2.write(f1.read(4))
# 4 bytes to encode the version of the file format
version = int.from_bytes(f1.read(4), byteorder='little')
version = struct.unpack("<I", f1.read(4))[0]
if args.no_version_bump:
f2.write((version).to_bytes(4, byteorder='little'))
f2.write(struct.pack("<I", version))
else:
if args.reverse:
if version != 6:
print("Warning: File " + pmpFile + " was not at version 6, while a negative version bump was requested.\nABORTING ...")
continue
f2.write((version-1).to_bytes(4, byteorder='little'))
f2.write(struct.pack("<I", version-1))
else:
if version != 5:
print("Warning: File " + pmpFile + " was not at version 5, while a version bump was requested.\nABORTING ...")
continue
f2.write((version+1).to_bytes(4, byteorder='little'))
f2.write(struct.pack("<I", version+1))
# 4 bytes a for file size (which shouldn't change)
f2.write(f1.read(4))
# 4 bytes to encode the map size
map_size = int.from_bytes(f1.read(4), byteorder='little')
f2.write(map_size.to_bytes(4, byteorder='little'))
map_size = struct.unpack("<I", f1.read(4))[0]
f2.write(struct.pack("<I", map_size))
# half all heights using the shift '>>' operator
if args.no_height_change:
@ -86,8 +87,8 @@ for xmlFile in args.files:
return h >> HEIGHTMAP_BIT_SHIFT
for i in range(0, (map_size*16+1)*(map_size*16+1)):
height = int.from_bytes(f1.read(2), byteorder='little')
f2.write(height_transform(height).to_bytes(2, byteorder='little'))
height = struct.unpack("<H", f1.read(2))[0]
f2.write(struct.pack("<H", height_transform(height)))
# copy the rest of the file
byte = f1.read(1)