minetest-mods/3d_armor/preview_gen.py

82 lines
2.1 KiB
Python
Executable File

#!/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