added gmap command line interface file

gmap.py

@@ -0,0 +1,59 @@
+#!/usr/bin/python
+
+import os
+import sys
+import os.path
+from optparse import OptionParser
+import re
+
+import world
+
+helptext = """
+%prog [-p PROCS] <Path to World> <tiles dest dir>
+"""
+
+def main():
+    parser = OptionParser(usage=helptext)
+    parser.add_option("-p", "--processes", dest="procs", help="How many chunks to render in parallel. A good number for this is 1 more than the number of cores in your computer. Default 2", default=2, action="store", type="int")
+
+    options, args = parser.parse_args()
+
+    if len(args) < 1:
+        print "You need to give me your world directory"
+        parser.print_help()
+        sys.exit(1)
+    worlddir = args[0]
+
+    if len(args) != 2:
+        parser.error("Where do you want to save the tiles?")
+    destdir = args[1]
+
+    print "Scanning chunks"
+    all_chunks = world.find_chunkfiles(worlddir)
+
+    # Translate chunks from diagonal coordinate system
+    mincol, maxcol, minrow, maxrow, chunks = world.convert_coords(all_chunks)
+
+    print "processing chunks in background"
+    results = world.render_chunks_async(chunks, False, options.procs)
+
+    print "Generating quad tree. This may take a while and has no progress bar right now, so sit tight."
+
+    zoom = world.generate_quadtree(results, mincol, maxcol, minrow, maxrow, destdir)
+
+    print "DONE"
+
+    print "Writing out html file"
+    write_html(destdir, zoom+1)
+
+def write_html(path, zoomlevel):
+    templatepath = os.path.join(os.path.split(__file__)[0], "template.html")
+    html = open(templatepath, 'r').read()
+    html = html.replace(
+            "{maxzoom}", str(zoomlevel))
+            
+    with open(os.path.join(path, "index.html"), 'w') as output:
+        output.write(html)
+
+if __name__ == "__main__":
+    main()