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https://github.com/luanti-org/luanti.git
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276 lines
7.8 KiB
Python
Executable File
276 lines
7.8 KiB
Python
Executable File
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# Made by j0gge, modified by celeron55
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# This program is free software. It comes without any warranty, to
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# the extent permitted by applicable law. You can redistribute it
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# and/or modify it under the terms of the Do What The Fuck You Want
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# To Public License, Version 2, as published by Sam Hocevar. See
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# http://sam.zoy.org/wtfpl/COPYING for more details.
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# Requires Python Imaging Library: http://www.pythonware.com/products/pil/
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# Some speed-up: ...lol, actually it slows it down.
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#import psyco ; psyco.full()
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#from psyco.classes import *
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import zlib
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import Image, ImageDraw
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import os
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import string
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import time
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def hex_to_int(h):
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i = int(h,16)
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if(i > 2047):
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i-=4096
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return i
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def hex4_to_int(h):
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i = int(h,16)
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if(i > 32767):
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i-=65536
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return i
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def int_to_hex3(i):
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if(i < 0):
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return "%03X" % (i + 4096)
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else:
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return "%03X" % i
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def int_to_hex4(i):
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if(i < 0):
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return "%04X" % (i + 65536)
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else:
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return "%04X" % i
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def limit(i,l,h):
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if(i>h):
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i=h
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if(i<l):
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i=l
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return i
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# Fix these!
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path="../map/"
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output="map.png"
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sector_xmin = -1000/16
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sector_xmax = 1000/16
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sector_zmin = -1000/16
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sector_zmax = 1000/16
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# Load color information for the blocks.
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colors = {}
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f = file("colors.txt")
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for line in f:
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values = string.split(line)
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colors[int(values[0])] = (int(values[1]), int(values[2]), int(values[3]))
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f.close()
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xlist = []
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zlist = []
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# List all sectors to memory and calculate the width and heigth of the resulting picture.
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if os.path.exists(path + "sectors2"):
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for filename in os.listdir(path + "sectors2"):
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for filename2 in os.listdir(path + "sectors2/" + filename):
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x = hex_to_int(filename)
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z = hex_to_int(filename2)
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if x < sector_xmin or x > sector_xmax:
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continue
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if z < sector_zmin or z > sector_zmax:
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continue
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xlist.append(x)
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zlist.append(z)
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if os.path.exists(path + "sectors"):
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for filename in os.listdir(path + "sectors"):
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x = hex4_to_int(filename[:4])
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z = hex4_to_int(filename[-4:])
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if x < sector_xmin or x > sector_xmax:
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continue
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if z < sector_zmin or z > sector_zmax:
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continue
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xlist.append(x)
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zlist.append(z)
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w = (max(xlist) - min(xlist)) * 16 + 16
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h = (max(zlist) - min(zlist)) * 16 + 16
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print "w="+str(w)+" h="+str(h)
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im = Image.new("RGB", (w, h), "white")
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impix = im.load()
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stuff={}
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starttime = time.time()
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# Go through all sectors.
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for n in range(len(xlist)):
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#if n > 500:
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# break
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if n % 200 == 0:
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nowtime = time.time()
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dtime = nowtime - starttime
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n_per_second = 1.0 * n / dtime
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if n_per_second != 0:
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seconds_per_n = 1.0 / n_per_second
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time_guess = seconds_per_n * len(xlist)
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remaining_s = time_guess - dtime
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remaining_minutes = int(remaining_s / 60)
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remaining_s -= remaining_minutes * 60;
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print("Processing sector "+str(n)+" of "+str(len(xlist))
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+" ("+str(round(100.0*n/len(xlist), 1))+"%)"
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+" (ETA: "+str(remaining_minutes)+"m "
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+str(int(remaining_s))+"s)")
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xpos = xlist[n]
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zpos = zlist[n]
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xhex = int_to_hex3(xpos)
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zhex = int_to_hex3(zpos)
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xhex4 = int_to_hex4(xpos)
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zhex4 = int_to_hex4(zpos)
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sector1 = xhex4.lower() + zhex4.lower()
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sector2 = xhex.lower() + "/" + zhex.lower()
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ylist=[]
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sectortype = ""
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try:
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for filename in os.listdir(path + "sectors/" + sector1):
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if(filename != "meta"):
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pos = int(filename,16)
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if(pos > 32767):
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pos-=65536
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ylist.append(pos)
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sectortype = "old"
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except OSError:
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pass
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if sectortype != "old":
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try:
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for filename in os.listdir(path + "sectors2/" + sector2):
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if(filename != "meta"):
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pos = int(filename,16)
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if(pos > 32767):
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pos-=65536
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ylist.append(pos)
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sectortype = "new"
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except OSError:
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pass
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if sectortype == "":
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continue
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ylist.sort()
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# Make a list of pixels of the sector that are to be looked for.
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pixellist = []
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for x in range(16):
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for y in range(16):
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pixellist.append((x,y))
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# Go through the Y axis from top to bottom.
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for ypos in reversed(ylist):
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yhex = int_to_hex4(ypos)
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filename = ""
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if sectortype == "old":
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filename = path + "sectors/" + sector1 + "/" + yhex.lower()
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else:
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filename = path + "sectors2/" + sector2 + "/" + yhex.lower()
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f = file(filename, "rb")
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# Let's just memorize these even though it's not really necessary.
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version = f.read(1)
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flags = f.read(1)
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dec_o = zlib.decompressobj()
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try:
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mapdata = dec_o.decompress(f.read())
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except:
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mapdata = []
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f.close()
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if(len(mapdata)<4096):
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print "bad: " + xhex+zhex+"/"+yhex + " " + len(mapdata)
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else:
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chunkxpos=xpos*16
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chunkypos=ypos*16
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chunkzpos=zpos*16
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for (x,z) in reversed(pixellist):
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for y in reversed(range(16)):
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datapos=x+y*16+z*256
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if(ord(mapdata[datapos])!=254):
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try:
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pixellist.remove((x,z))
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# Memorize information on the type and height of the block and for drawing the picture.
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stuff[(chunkxpos+x,chunkzpos+z)]=(chunkypos+y,ord(mapdata[datapos]))
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break
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except:
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print "strange block: " + xhex+zhex+"/"+yhex + " x: " + str(x) + " y: " + str(y) + " z: " + str(z) + " block: " + str(ord(mapdata[datapos]))
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# After finding all the pixeld in the sector, we can move on to the next sector without having to continue the Y axis.
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if(len(pixellist)==0):
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break
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print "Drawing image"
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# Drawing the picture
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starttime = time.time()
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n = 0
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minx = min(xlist)
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minz = min(zlist)
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for (x,z) in stuff.iterkeys():
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if n % 500000 == 0:
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nowtime = time.time()
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dtime = nowtime - starttime
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n_per_second = 1.0 * n / dtime
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if n_per_second != 0:
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listlen = len(stuff)
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seconds_per_n = 1.0 / n_per_second
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time_guess = seconds_per_n * listlen
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remaining_s = time_guess - dtime
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remaining_minutes = int(remaining_s / 60)
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remaining_s -= remaining_minutes * 60;
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print("Drawing pixel "+str(n)+" of "+str(listlen)
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+" ("+str(round(100.0*n/listlen, 1))+"%)"
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+" (ETA: "+str(remaining_minutes)+"m "
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+str(int(remaining_s))+"s)")
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n += 1
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(r,g,b)=colors[stuff[(x,z)][1]]
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# Comparing heights of a couple of adjacent blocks and changing brightness accordingly.
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try:
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y1=stuff[(x-1,z)][0]
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y2=stuff[(x,z-1)][0]
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y=stuff[(x,z)][0]
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d=(y-y1+y-y2)*12
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if(d>36):
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d=36
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r=limit(r+d,0,255)
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g=limit(g+d,0,255)
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b=limit(b+d,0,255)
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except:
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pass
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#impix[w-1-(x-minx*16),h-1-(z-minz*16)]=(r,g,b)
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impix[x-minx*16,h-1-(z-minz*16)]=(r,g,b)
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# Flip the picture to make it right and save.
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#print "Transposing"
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#im=im.transpose(Image.FLIP_TOP_BOTTOM)
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print "Saving"
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im.save(output)
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