util/minetestmapper.py


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#!/usr/bin/env python2
# -*- coding: utf-8 -*-

# This program is free software. It comes without any warranty, to
# the extent permitted by applicable law. You can redistribute it
# and/or modify it under the terms of the Do What The Fuck You Want
# To Public License, Version 2, as published by Sam Hocevar. See
# COPYING for more details.

# Made by Jogge, modified by celeron55
# 2011-05-29: j0gge: initial release
# 2011-05-30: celeron55: simultaneous support for sectors/sectors2, removed
# 2011-06-02: j0gge: command line parameters, coordinates, players, ...
# 2011-06-04: celeron55: added #!/usr/bin/python2 and converted \r\n to \n
#                        to make it easily executable on Linux
# 2011-07-30: WF: Support for content types extension, refactoring
# 2011-07-30: erlehmann: PEP 8 compliance.

# Requires Python Imaging Library: http://www.pythonware.com/products/pil/

# Some speed-up: ...lol, actually it slows it down.
#import psyco ; psyco.full()
#from psyco.classes import *

import zlib
import os
import string
import time
import getopt
import sys
import array
import cStringIO
import traceback
from PIL import Image, ImageDraw, ImageFont, ImageColor

TRANSLATION_TABLE = {
    1: 0x800,  # CONTENT_GRASS
    4: 0x801,  # CONTENT_TREE
    5: 0x802,  # CONTENT_LEAVES
    6: 0x803,  # CONTENT_GRASS_FOOTSTEPS
    7: 0x804,  # CONTENT_MESE
    8: 0x805,  # CONTENT_MUD
    10: 0x806,  # CONTENT_CLOUD
    11: 0x807,  # CONTENT_COALSTONE
    12: 0x808,  # CONTENT_WOOD
    13: 0x809,  # CONTENT_SAND
    18: 0x80a,  # CONTENT_COBBLE
    19: 0x80b,  # CONTENT_STEEL
    20: 0x80c,  # CONTENT_GLASS
    22: 0x80d,  # CONTENT_MOSSYCOBBLE
    23: 0x80e,  # CONTENT_GRAVEL
    24: 0x80f,  # CONTENT_SANDSTONE
    25: 0x810,  # CONTENT_CACTUS
    26: 0x811,  # CONTENT_BRICK
    27: 0x812,  # CONTENT_CLAY
    28: 0x813,  # CONTENT_PAPYRUS
    29: 0x814}  # CONTENT_BOOKSHELF


def hex_to_int(h):
    i = int(h, 16)
    if(i > 2047):
        i -= 4096
    return i


def hex4_to_int(h):
    i = int(h, 16)
    if(i > 32767):
        i -= 65536
    return i


def int_to_hex3(i):
    if(i < 0):
        return "%03X" % (i + 4096)
    else:
        return "%03X" % i


def int_to_hex4(i):
    if(i < 0):
        return "%04X" % (i + 65536)
    else:
        return "%04X" % i


def getBlockAsInteger(p):
    return p[2]*16777216 + p[1]*4096 + p[0]

def unsignedToSigned(i, max_positive):
    if i < max_positive:
        return i
    else:
        return i - 2*max_positive

def getIntegerAsBlock(i):
    x = unsignedToSigned(i % 4096, 2048)
    i = int((i - x) / 4096)
    y = unsignedToSigned(i % 4096, 2048)
    i = int((i - y) / 4096)
    z = unsignedToSigned(i % 4096, 2048)
    return x,y,z

def limit(i, l, h):
    if(i > h):
        i = h
    if(i < l):
        i = l
    return i

def readU8(f):
    return ord(f.read(1))

def readU16(f):
    return ord(f.read(1))*256 + ord(f.read(1))