raze-gles/source/tools/src/highpalookupmaker.py

84 lines
2.3 KiB
Python
Raw Normal View History

#!/usr/bin/python
def makehighpalookuppixel(pal, rgb):
hsv = list(colorsys.rgb_to_hsv(*rgb))
if pal == 0:
# no-op, pass through
return rgb
# frozen, blue light
elif pal == 1:
# make everything blueish
hsv[0] = 0.66
return list(colorsys.hsv_to_rgb(*hsv))
# nightvision
elif pal == 6:
# make everything green and reverse brightness
hsv[0] = 0.33
hsv[2] = 1.0 - hsv[2]
#hsv[1] = 0.5
return list(colorsys.hsv_to_rgb(*hsv))
# pal 20
elif pal == 20:
# blue to gray by removing all saturation
if (hsv[0] > 0.6 and hsv[0] < 0.7):
hsv[1] = 0
# orange and brown to blue
if (hsv[0] > 0.04 and hsv[0] < 0.13):
hsv[0] = 0.66
# purple and reddish to blue
if (hsv[0] > 0.7 and hsv[0] < 0.9):
hsv[0] = 0.66
# green to blue
if (hsv[0] > 0.30 and hsv[0] < 0.36):
hsv[0] = 0.66
return list(colorsys.hsv_to_rgb(*hsv))
else:
print "unknown pal!"
sys.exit()
import colorsys
import sys
import struct
if (len(sys.argv) != 3):
print "Usage: python highpalookupmaker.py palnum outfile"
sys.exit()
# bit depth per dimension
xbits = 7
ybits = 7
zbits = 7
xdim = 1 << xbits
ydim = 1 << ybits
zdim = 1 << zbits
palnum = int(sys.argv[1])
pixels = []
pixelcount = xdim * ydim * zdim
curpix = 0.0
fo = open(sys.argv[2], "w")
# throw in a TGA header in there, this way they'll be able to directly edit it if they feel like it
fo.write(struct.pack("=BBBHHBHHHHBB", 0, 0, 2, 0, 0, 0, 0, 0, 16384, 128, 32, 0))
print "Creating highpalookup map %s for palette %d with depth %d:%d:%d..." % (sys.argv[2], palnum, xbits, ybits, zbits)
for k in range(zdim):
for j in range(ydim):
for i in range(xdim):
rgb = [float(i) / (xdim - 1), float(j) / (ydim - 1), float(k) / (zdim - 1)]
rgb = makehighpalookuppixel(palnum, rgb)
# save as BGRA as that's what TGA uses
pixels.append(struct.pack('BBBB', int(rgb[2] * 255), int(rgb[1] * 255), int(rgb[0] * 255), 255))
curpix += 1
if (curpix % 128 == 0):
print "\r%f%% done." % (curpix * 100 / pixelcount),
fo.writelines(pixels)
fo.close()
print "\n"