qf/quakeforge
0
0
Fork 0
mirror of https://git.code.sf.net/p/quake/quakeforge synced 2025-01-18 23:11:38 +00:00
Code Issues Projects Releases Packages Wiki Activity

Give the 24-8 bit converter a massive speedup.

Browse source 
The biggest part of the speedup is reading from blender's image only once
(it seems that every read does so from GL rather than memory: ouch). Also,
cache the results for each color.
This commit is contained in:
Bill Currie 2011-09-25 20:50:32 +09:00
parent 2e2484250c
commit 1277c17cd9
1 changed files with 15 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

26
tools/io_mesh_qfmdl/export_mdl.py
View file

@ -60,24 +60,28 @@ def make_skin(mdl, mesh):
skin = MDL.Skin()
skin.type = 0
skin.pixels = bytearray(mdl.skinwidth * mdl.skinheight) # preallocate
cache = {}
pixels = image.pixels[:]
for y in range(mdl.skinheight):
for x in range(mdl.skinwidth):
outind = y * mdl.skinwidth + x
# quake textures are top to bottom, but blender images
# are bottom to top
inind = ((mdl.skinheight - 1 - y) * mdl.skinwidth + x) * 4
rgb = image.pixels[inind : inind + 3] # ignore alpha
rgb = pixels[inind : inind + 3] # ignore alpha
rgb = tuple(map(lambda x: int(x * 255 + 0.5), rgb))
best = (3*256*256, -1)
for i, p in enumerate(palette):
if i > 255: # should never happen
break
r = 0
for x in map (lambda a, b: (a - b) ** 2, rgb, p):
r += x
if r < best[0]:
best = (r, i)
skin.pixels[outind] = best[1]
if rgb not in cache:
best = (3*256*256, -1)
for i, p in enumerate(palette):
if i > 255: # should never happen
break
r = 0
for x in map (lambda a, b: (a - b) ** 2, rgb, p):
r += x
if r < best[0]:
best = (r, i)
cache[rgb] = best[1]
skin.pixels[outind] = cache[rgb]
mdl.skins.append(skin)
def build_tris(mesh):