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#!/usr/bin/env python
#-*- coding:utf-8 -*-
import sys
import os
import subprocess
import tempfile
import re
class MinimapRenderer(object):
MAP_RE = re.compile(r'^\d{3}-\d{1}(\.tmx)?$')
PROGRAMS = {
'default': {
'tmxrasterizer': 'tmxrasterizer',
'im_convert': 'convert',
},
'win32': {
'tmxrasterizer': 'tmxrasterizer.exe',
'im_convert': 'convert.exe',
},
}
def __init__(self, map_name, scale):
self.map_name = map_name
self.scale = scale
def render(self):
"""
Processes a map
"""
if not MinimapRenderer.MAP_RE.match(self.map_name):
sys.stderr.write(u'Invalid map name: %s. Skipping.\n' % self.map_name)
return 1
if not self.map_name.endswith(u'.tmx'):
self.map_name = self.map_name+u'.tmx'
map_number = os.path.splitext(os.path.basename(self.map_name))[0]
tmx_file = os.path.normpath(os.path.join(os.getcwdu(), u'..', u'maps', self.map_name))
minimap_file = os.path.normpath(os.path.join(os.getcwdu(), u'..', u'graphics', u'minimaps', map_number+u'.png'))
prefix = os.path.commonprefix((tmx_file, minimap_file))
sys.stdout.write(u'%s -> %s\n' % (os.path.relpath(tmx_file, prefix), os.path.relpath(minimap_file, prefix)))
try:
self.do_render(tmx_file, minimap_file)
except Exception as e:
sys.stderr.write(u'\x1b[31m\x1b[1mError while rendering %s: %s\x1b[0m\n' % (self.map_name, e))
return 1
else:
return 0
def do_render(self, tmx_file, bitmap_file):
"""
The map rendering implementation
"""
platform_programs = MinimapRenderer.PROGRAMS.get(sys.platform, MinimapRenderer.PROGRAMS.get('default'))
# tmx rasterize
mrf, map_raster = tempfile.mkstemp(suffix='.png')
subprocess.check_call([platform_programs.get('tmxrasterizer'), '--scale', str(self.scale), tmx_file, map_raster])
if os.stat(map_raster).st_size == 0:
# the image couldnt be rendered. The most probable reason is
# that the map was too big (e.g 024-4, 500x500 tiles)
raise Exception('Map too large to be rendered.')
# add cell-shading to the minimap to improve readability
ebf, edges_bitmap = tempfile.mkstemp(suffix='.png')
subprocess.check_call([
platform_programs.get('im_convert'), map_raster,
'-set', 'option:convolve:scale', '-1!',
'-morphology', 'Convolve', 'Laplacian:0',
'-colorspace', 'gray',
'-auto-level',
'-threshold', '2.8%',
'-negate',
'-transparent', 'white',
edges_bitmap
])
subprocess.check_call([
platform_programs.get('im_convert'), map_raster, edges_bitmap,
'-compose', 'Dissolve',
'-define', 'compose:args=35',
'-composite',
bitmap_file
])
os.unlink(map_raster)
os.unlink(edges_bitmap)
@staticmethod
def check_programs():
"""
Checks the require programs are available
"""
def which(program):
import os
def is_exe(fpath):
return os.path.isfile(fpath) and os.access(fpath, os.X_OK)
fpath, fname = os.path.split(program)
if fpath:
if is_exe(program):
return program
else:
for path in os.environ["PATH"].split(os.pathsep):
exe_file = os.path.join(path, program)
if is_exe(exe_file):
return exe_file
return None
platform_programs = MinimapRenderer.PROGRAMS.get(sys.platform, MinimapRenderer.PROGRAMS.get('default'))
for program in platform_programs.values():
if not which(program):
raise Exception('The required "%s" program is missing from your PATH.' % program)
def usage():
sys.stderr.write(u'''Usage: %s MAP_NAME...
Example:
$ ./minimap-render.py 007-1
will render the map at maps/007-1.tmx in the graphics/minimaps directory.
For convenience,
$ ./minimap-render.py 007-1.tmx
is also acceptable, for e.g running things like,
$ ./minimap-render.py $(ls ../maps/)
that would render all existing maps.
\n''' % sys.argv[0])
def main():
if not len(sys.argv) > 1:
usage()
return 127
if not os.path.basename(os.path.dirname(os.getcwdu())) == u'client-data':
sys.stderr.write(u'This script must be run from client-data/tools.\n')
return 1
try:
MinimapRenderer.check_programs()
except Exception as e:
sys.stderr.write(u'%s\n' % e)
return 126
status = 0
for map_name in sys.argv[1:]:
map_renderer = MinimapRenderer(map_name, 0.03125) # this scale renders 1px for a tile of 32px
status += map_renderer.render()
return status
if __name__ == '__main__':
sys.exit(main())
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