Add preview generator and update preview textures

preview_gen.py

@@ -0,0 +1,81 @@
+#!/usr/bin/python
+
+import os
+import sys
+import Image
+
+try :
+	arg = sys.argv[1]
+except IndexError :
+	print "Usage: preview_gen.py <index_file>"
+	sys.exit(1)
+
+try :
+	index = open(arg, "r")
+except IOError :
+	print "Failed to open index file%s" %s (arg)
+	sys.exit(1)
+
+preview = []
+
+for line in index.readlines() :
+	if ":" in line :
+		line = line.rstrip('\n')
+		preview.append(line.split(':'))
+
+print "Generating preview images..."
+for fn, place in preview :
+	try :
+		imi = Image.open(fn)
+	except IOError :
+		print "Failed to open %s" % (fn)
+		sys.exit(1)
+
+	w, h = imi.size
+	if h != w / 2:
+		print "Incompatible texture size %s" % (fn)
+		sys.exit(1)
+
+	s = w / 64
+	imo = Image.new("RGBA", (16 * s, 32 * s))
+	
+	if place == "all" or place == "head" :
+		face = (40 * s, 8 * s, 48 * s, 16 * s)
+		side_l = (56 * s, 8 * s, 57 * s, 16 * s)
+		side_r = (63 * s, 8 * s, 64 * s, 16 * s)
+		imo.paste(imi.crop(side_l), (4 * s, 0, 5 * s, 8 * s))
+		imo.paste(imi.crop(side_r), (11 * s, 0, 12 * s, 8 * s))
+		imo.paste(imi.crop(face), (4 * s, 0, 12 * s, 8 * s))
+
+	if place == "all" or place == "torso" :
+		arm = (44 * s, 20 * s, 48 * s, 32 * s)
+		body = (20 * s, 20 * s, 28 * s, 32 * s)
+		imo.paste(imi.crop(arm), (0 * s, 8 * s, 4 * s, 20 * s))
+		imo.paste(imi.crop(arm).transpose(Image.FLIP_LEFT_RIGHT),
+				(12 * s, 8 * s, 16 * s, 20 * s))
+		imo.paste(imi.crop(body), (4 * s, 8 * s, 12 * s, 20 * s))
+
+	if place == "all" or place == "legs" :
+		leg = (4 * s, 20 * s, 8 * s, 32 * s)
+		imo.paste(imi.crop(leg), (4 * s, 20 * s, 8 * s, 32 * s))
+		imo.paste(imi.crop(leg).transpose(Image.FLIP_LEFT_RIGHT),
+				(8 * s, 20 * s, 12 * s, 32 * s))
+
+	if place == "all" or place == "feet" :
+		boot = (20 * s, 4 * s, 24 * s, 11 * s)
+		imo.paste(imi.crop(boot), (4 * s, 25 * s, 8 * s, 32 * s))
+		imo.paste(imi.crop(boot).transpose(Image.FLIP_LEFT_RIGHT),
+				(8 * s, 25 * s, 12 * s, 32 * s))
+
+	size = (32 * s, 64 * s)
+	imo = imo.resize(size)
+
+	if place == "shield" :
+		shield = (0, 0, 16 * s, 16 * s)
+		imo.paste(imi.crop(shield), (16 * s, 32 * s, 32 * s, 48 * s))
+
+	outfile = fn.replace(".png", "_preview.png")
+	imo.save(outfile)
+	print outfile
+
+