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authorVincent Petithory <vincent.petithory@gmail.com>2012-09-22 21:51:47 +0200
committerVincent Petithory <vincent.petithory@gmail.com>2013-02-18 15:52:48 +0100
commit40623c146ac1e5210d20bcb47d313c2659c665f2 (patch)
treecf638cbba2683d326770e37d4611de67d7b7b8e8 /client
parent66a2e93d2910b15f847c2e2cb50f8ff74c3fe29b (diff)
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Add a tool to render minimaps
Diffstat (limited to 'client')
-rwxr-xr-xclient/minimap-render.py148
1 files changed, 148 insertions, 0 deletions
diff --git a/client/minimap-render.py b/client/minimap-render.py
new file mode 100755
index 0000000..402630b
--- /dev/null
+++ b/client/minimap-render.py
@@ -0,0 +1,148 @@
+#!/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()) \ No newline at end of file