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VoxeLibre/tools/Texture_Converter.py

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Python
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#!/usr/bin/env python
# EXPERIMENTAL texture pack copying utility.
# This Python script helps in converting Minecraft texture packs. It has 2 main features:
# - Can create a Minetest texture pack (default)
# - Can update the MineClone 2 textures
# This script is currently incomplete, not all textures are converted.
#
# Requirements:
# - Python 3
# - Python Library: Pillow
# - ImageMagick
#
# Usage (to be simplified later):
# - Put extracted texture pack into $HOME/tmp/pp
# - Make sure the file “Texture_Conversion_Table.csv” is in the same directory as the script
# - Run the script in its directory
# - If everything worked, retrieve texture pack in texture_pack/
__author__ = "Wuzzy"
__license__ = "WTFPL"
__status__ = "Development"
### SETTINGS ###
# If True, will only make console output but not convert anything.
dry_run = False
# If True, textures will be put into a texture pack directory structure.
# If False, textures will be put into MineClone 2 directories.
make_texture_pack = True
# If True, prints all copying actions
verbose = False
### END OF SETTINGS ###
import shutil, csv, os, tempfile
from PIL import Image
# Helper variables
home = os.environ["HOME"]
mineclone2_path = home + "/.minetest/games/mineclone2"
working_dir = os.getcwd()
base_dir = home + "/tmp/pp"
tex_dir = base_dir + "/assets/minecraft/textures"
# FUNCTION DEFINITIONS
def convert_alphatex(one, two, three, four, five):
os.system("convert "+one+" -crop 1x1+"+three+" -depth 8 -resize "+four+"x"+four+" "+tempfile1.name)
os.system("composite -compose Multiply "+tempfile1.name+" "+two+" "+tempfile2.name)
os.system("composite -compose Dst_In "+two+" "+tempfile1.name+" -alpha Set "+five)
def target_dir(directory):
if make_texture_pack:
return working_dir + "/texture_pack"
else:
return mineclone2_path + directory
# Copy texture files
def convert_textures():
failed_conversions = 0
print("Texture conversion BEGINS NOW!")
with open("Texture_Conversion_Table.csv", newline="") as csvfile:
reader = csv.reader(csvfile, delimiter=",", quotechar='"')
first_row = True
for row in reader:
# Skip first row
if first_row:
first_row = False
continue
src_dir = row[0]
src_filename = row[1]
dst_dir = row[2]
dst_filename = row[3]
if row[4] != "":
xs = int(row[4])
ys = int(row[5])
xl = int(row[6])
yl = int(row[7])
xt = int(row[8])
yt = int(row[9])
else:
xs = None
src_file = base_dir + src_dir + "/" + src_filename # source file
src_file_exists = os.path.isfile(src_file)
dst_file = target_dir(dst_dir) + "/" + dst_filename # destination file
if src_file_exists == False:
print("WARNING: Source file does not exist: "+src_file)
failed_conversions = failed_conversions + 1
continue
if xs != None:
# Crop and copy images
image = Image.open(src_file)
if not dry_run:
region = image.crop((xs, ys, xs+xl, ys+yl))
region.load()
region.save(dst_file)
if verbose:
print(src_file + " → " + dst_file)
else:
# Copy image verbatim
if not dry_run:
shutil.copy2(src_file, dst_file)
if verbose:
print(src_file + " → " + dst_file)
# Convert chest textures (requires ImageMagick)
PXSIZE = 16
chest_file = tex_dir + "/entity/chest/normal.png"
if os.path.isfile(chest_file):
CHPX=((PXSIZE / 16 * 14)) # Chests in MC are 2/16 smaller!
os.system("convert " + chest_file + " \
\( -clone 0 -crop "+str(CHPX)+"x"+str(CHPX)+"+"+str(CHPX)+"+0 \) -geometry +0+0 -composite -extent "+str(CHPX)+"x"+str(CHPX)+" "+target_dir("/mods/ITEMS/mcl_chests/textures")+"/default_chest_top.png")
os.system("convert " + chest_file + " \
\( -clone 0 -crop "+str(CHPX)+"x"+str((PXSIZE/16)*5)+"+"+str(CHPX)+"+"+str(CHPX)+" \) -geometry +0+0 -composite \
\( -clone 0 -crop "+str(CHPX)+"x"+str((PXSIZE/16)*10)+"+"+str(CHPX)+"+"+str((2*CHPX) + ((PXSIZE/16)*5))+" \) -geometry +0+"+str((PXSIZE/16)*5)+" -composite \
-extent "+str(CHPX)+"x"+str(CHPX)+" "+target_dir("/mods/ITEMS/mcl_chests/textures")+"/default_chest_front.png")
# TODO: Convert other chest sides
# Convert grass
grass_file = tex_dir + "/blocks/grass_top.png"
if os.path.isfile(grass_file):
FOLIAG = tex_dir+"/colormap/foliage.png"
GRASS = tex_dir+"/colormap/grass.png"
# Leaves
convert_alphatex(FOLIAG, tex_dir+"/blocks/leaves_oak.png", "70+120", str(PXSIZE), target_dir("/mods/ITEMS/mcl_core/textures")+"/default_leaves.png")
convert_alphatex(FOLIAG, tex_dir+"/blocks/leaves_big_oak.png", "70+120", str(PXSIZE), target_dir("/mods/ITEMS/mcl_core/textures")+"/mcl_core_leaves_big_oak.png")
convert_alphatex(FOLIAG, tex_dir+"/blocks/leaves_acacia.png", "16+240", str(PXSIZE), target_dir("/mods/ITEMS/mcl_core/textures")+"/default_acacia_leaves.png")
convert_alphatex(FOLIAG, tex_dir+"/blocks/leaves_spruce.png", "226+240", str(PXSIZE), target_dir("/mods/ITEMS/mcl_core/textures")+"/mcl_core_leaves_spruce.png")
convert_alphatex(FOLIAG, tex_dir+"/blocks/leaves_birch.png", "70+120", str(PXSIZE), target_dir("/mods/ITEMS/mcl_core/textures")+"/mcl_core_leaves_birch.png")
convert_alphatex(FOLIAG, tex_dir+"/blocks/leaves_jungle.png", "16+32", str(PXSIZE), target_dir("/mods/ITEMS/mcl_core/textures")+"/default_jungleleaves.png")
# Waterlily
convert_alphatex(FOLIAG, tex_dir+"/blocks/waterlily.png", "16+32", str(PXSIZE), target_dir("/mods/ITEMS/mcl_flowers/textures")+"/flowers_waterlily.png")
# Vines
convert_alphatex(FOLIAG, tex_dir+"/blocks/vine.png", "16+32", str(PXSIZE), target_dir("/mods/ITEMS/mcl_core/textures")+"/mcl_core_vine.png")
# Tall grass, fern (inventory images)
col = "49+172" # Plains grass color
convert_alphatex(GRASS, tex_dir+"/blocks/tallgrass.png", col, str(PXSIZE), target_dir("/mods/ITEMS/mcl_flowers/textures")+"/mcl_flowers_tallgrass_inv.png")
convert_alphatex(GRASS, tex_dir+"/blocks/fern.png", col, str(PXSIZE), target_dir("/mods/ITEMS/mcl_flowers/textures")+"/mcl_flowers_fern_inv.png")
convert_alphatex(GRASS, tex_dir+"/blocks/double_plant_fern_top.png", col, str(PXSIZE), target_dir("/mods/ITEMS/mcl_flowers/textures")+"/mcl_flowers_double_plant_fern_inv.png")
convert_alphatex(GRASS, tex_dir+"/blocks/double_plant_grass_top.png", col, str(PXSIZE), target_dir("/mods/ITEMS/mcl_flowers/textures")+"/mcl_flowers_double_plant_grass_inv.png")
# TODO: Convert grass palette
offset = [
[ "49+172", "", "grass" ], # Default grass: Plains
[ "0+255", "_dry", "dry_grass" ], # Dry grass: Savanna, Mesa Plateau F, Nether, …
]
for o in offset:
os.system("convert "+GRASS+" -crop 1x1+"+o[0]+" -depth 8 -resize "+str(PXSIZE)+"x"+str(PXSIZE)+" "+tempfile1.name)
os.system("composite -compose Multiply "+tempfile1.name+" "+tex_dir+"/blocks/grass_top.png "+target_dir("/mods/ITEMS/mcl_core/textures")+"/default_"+o[2]+".png")
convert_alphatex(GRASS, tex_dir+"/blocks/grass_side_overlay.png", o[0], str(PXSIZE), target_dir("/mods/ITEMS/mcl_core/textures")+"/default_"+o[2]+"_side.png")
# TODO: Convert banner masks
# if os.path.isdir(tex_dir + "/entity/banner"):
# These are the ImageMagick commands needed to convert the mask images
# os.system("mogrify -transparent-color "+filename)
# os.system("mogrify -clip-mask "+tex_dir+"/entity/banner/base.png"+" -alpha Copy "+filename)
# os.system("mogrify -fill white -colorize 100 "+filename)
print("Textures conversion COMPLETE!")
if failed_conversions > 0:
print("WARNING: Number of missing files in original resource pack: "+str(failed_conversions))
print("NOTE: Please keep in mind this script does not reliably convert all the textures yet.")
if make_texture_pack:
print("You can now retrieve the texture pack in "+working_dir+"/texture_pack/")
# ENTRY POINT
if make_texture_pack and not os.path.isdir("./texture_pack"):
os.mkdir("texture_pack")
tempfile1 = tempfile.NamedTemporaryFile()
tempfile2 = tempfile.NamedTemporaryFile()
convert_textures()
tempfile1.close()
tempfile2.close()
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