mirror of
https://github.com/moparisthebest/minetest
synced 2024-11-05 00:45:05 -05:00
92 lines
1.7 KiB
Python
Executable File
92 lines
1.7 KiB
Python
Executable File
#!/usr/bin/python2
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# This is an example script that generates some valid map data.
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import struct
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import random
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import os
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import sys
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from pnoise import pnoise
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"""
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Map format:
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map/sectors/XXXXZZZZ/YYYY
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XXXX,YYYY,ZZZZ = coordinates in hexadecimal
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fffe = -2
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ffff = -1
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0000 = 0
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0001 = 1
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"""
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def to4h(i):
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s = "";
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s += '{0:1x}'.format((i>>12) & 0x000f)
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s += '{0:1x}'.format((i>>8) & 0x000f)
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s += '{0:1x}'.format((i>>4) & 0x000f)
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s += '{0:1x}'.format((i>>0) & 0x000f)
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return s
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def getrand():
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i = random.randrange(0,2)
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if i==0:
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return 0
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return 254
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def writeblock(mapdir, px,py,pz, version):
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sectordir = mapdir + "/sectors/" + to4h(px) + to4h(pz)
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try:
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os.makedirs(sectordir)
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except OSError:
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pass
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f = open(sectordir+"/"+to4h(py), "wb")
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if version == 0:
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# version
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f.write(struct.pack('B', 0))
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# is_underground
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f.write(struct.pack('B', 0))
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elif version == 2:
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# version
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f.write(struct.pack('B', 2))
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# is_underground
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f.write(struct.pack('B', 0))
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for z in range(0,16):
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for y in range(0,16):
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for x in range(0,16):
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b = 254
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r = 20.0*pnoise((px*16+x)/100.,(pz*16+z)/100.,0)
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r += 5.0*pnoise((px*16+x)/25.,(pz*16+z)/25.,0)
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#print("r="+str(r))
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y1 = py*16+y
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if y1 <= r-3:
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b = 0 #stone
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elif y1 <= r:
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b = 1 #grass
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elif y1 <= 1:
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b = 9 #water
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if version == 0:
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# Material content
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f.write(struct.pack('B', b))
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elif version == 2:
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# Material content
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f.write(struct.pack('B', b))
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# Brightness
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f.write(struct.pack('B', 15))
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f.close()
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mapdir = "map"
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for z in range(-2,3):
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for y in range(-1,2):
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for x in range(-2,3):
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print("generating block "+str(x)+","+str(y)+","+str(z))
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writeblock(mapdir, x,y,z, 0)
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#END
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