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https://github.com/freedoom/freedoom.git
synced 2025-09-01 13:25:46 -04:00
6eef9be73a
Python 2 is very near end-of-life, and Python3-compatible changes to a few scripts introduced compatibility problems with 2.7 again. It went unnoticed for me since my system symlinks "python" to "python3", but it broke the build on systems where that symlink is still python2. At this point in time, I feel it is worth targetting modern Python and forgetting about 2.7.
87 lines
2.8 KiB
Python
Executable file
87 lines
2.8 KiB
Python
Executable file
#!/usr/bin/env python3
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# SPDX-License-Identifier: BSD-3-Clause
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from os import path
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import sys
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import glob
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import struct
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import png
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class Graphic(object):
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def __init__(self, filepath):
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self.filepath = filepath
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self.filename = path.split(filepath)[1]
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self.name = path.splitext(self.filename)[0].upper().replace("^", "\\")
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self.has_offset = False
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self.get_png_offset()
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def get_png_offset(self):
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reader = png.Reader(file=open(self.filepath, "rb"))
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for chunk in reader.chunks():
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if chunk[0] == "grAb":
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self.xoffset, self.yoffset = struct.unpack(">II", chunk[1])
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self.has_offset = True
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def main():
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dirname = path.split(path.abspath(__file__))[0]
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graphics = []
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files = []
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if len(sys.argv) < 2:
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print(
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'This script takes the offsets stored in the "grAb" chunk of '
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+ "the specified PNGs and adjusts the graphics offsets in the build_cfg file.\n"
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)
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print("Usage:\n\t fix-sprite-offsets <names> [names] [...]\n")
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print(
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"example: \n\tfix-sprite-offsets sprites/vilea1.png sprites/vileb1.png"
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)
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print("You can also use wildcards:")
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print("\t fix-sprite-offsets sprites/vile*.png")
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exit()
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else:
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for param in sys.argv[1:]:
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files.append(dirname + "/../" + param)
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for filepath in files:
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if not path.isfile(filepath):
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print("Could not find" + filepath + ", skipping...")
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elif path.splitext(filepath)[1] == ".png":
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graphics.append(Graphic(filepath))
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for graphic in graphics:
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if graphic.has_offset == False:
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graphics.remove(graphic)
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f = open(dirname + "/../buildcfg.txt", "r")
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lines = f.readlines()
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f.close()
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newlines = []
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for line in lines:
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replaced_line = False
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for graphic in graphics:
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if graphic.has_offset is True:
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thing = line.split()
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if len(thing) > 0 and thing[0] == graphic.name:
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new_string = "%s\t%i\t%i" % (
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graphic.name,
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graphic.xoffset,
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graphic.yoffset,
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)
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comments = line.split(";")
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if len(comments) > 1:
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new_string += "\t;" + "".join(comments[1:])
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else:
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new_string += "\n"
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newlines.append(new_string)
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replaced_line = True
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print("Updated " + graphic.name + " offsets")
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break
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if replaced_line is False:
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newlines.append(line)
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f = open(dirname + "/../buildcfg.txt", "w")
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f.writelines(newlines)
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f.close()
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if __name__ == "__main__":
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main()
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