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Remove util/old/genmap.py, because it is uselessly old

This commit is contained in:
Perttu Ahola 2012-07-19 21:17:31 +03:00
parent 16ad10e62f
commit dece3a3600
2 changed files with 0 additions and 373 deletions

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#!/usr/bin/python2
# This is an example script that generates some valid map data.
import struct
import random
import os
import sys
import zlib
import array
from pnoise import pnoise
# Old directory format:
# world/sectors/XXXXZZZZ/YYYY
# XXXX,YYYY,ZZZZ = coordinates in hexadecimal
# fffe = -2
# ffff = -1
# 0000 = 0
# 0001 = 1
#
# New directory format:
# world/sectors2/XXX/ZZZ/YYYY
# XXX,YYYY,ZZZ = coordinates in hexadecimal
# fffe = -2
# ffff = -1
# 0000 = 0
# 0001 = 1
# ffe = -2
# fff = -1
# 000 = 0
# 001 = 1
#
# For more proper file format documentation, refer to mapformat.txt
# For node type documentation, refer to mapnode.h
# NodeMetadata documentation is not complete, refer to nodemeta.cpp
#
# Seed for generating terrain
SEED = 0
# 0=old, 1=new
SECTOR_DIR_FORMAT = 1
mapdir = "../world"
def to4h(i):
s = "";
s += '{0:1x}'.format((i>>12) & 0x000f)
s += '{0:1x}'.format((i>>8) & 0x000f)
s += '{0:1x}'.format((i>>4) & 0x000f)
s += '{0:1x}'.format((i>>0) & 0x000f)
return s
def to3h(i):
s = "";
s += '{0:1x}'.format((i>>8) & 0x000f)
s += '{0:1x}'.format((i>>4) & 0x000f)
s += '{0:1x}'.format((i>>0) & 0x000f)
return s
def get_sector_dir(px, pz):
global SECTOR_DIR_FORMAT
if SECTOR_DIR_FORMAT == 0:
return "/sectors/"+to4h(px)+to4h(pz)
elif SECTOR_DIR_FORMAT == 1:
return "/sectors2/"+to3h(px)+"/"+to3h(pz)
else:
assert(0)
def getrand_air_stone():
i = random.randrange(0,2)
if i==0:
return 0
return 254
# 3-dimensional vector (position)
class v3:
def __init__(self, x=0, y=0, z=0):
self.X = x
self.Y = y
self.Z = z
class NodeMeta:
def __init__(self, type_id, data):
self.type_id = type_id
self.data = data
class StaticObject:
def __init__(self):
self.type_id = 0
self.data = ""
def ser_u16(i):
return chr((i>>8)&0xff) + chr((i>>0)&0xff)
def ser_u32(i):
return (chr((i>>24)&0xff) + chr((i>>16)&0xff)
+ chr((i>>8)&0xff) + chr((i>>0)&0xff))
# A 16x16x16 chunk of map
class MapBlock:
def __init__(self):
self.content = array.array('B')
self.param1 = array.array('B')
self.param2 = array.array('B')
for i in range(16*16*16):
# Initialize to air
self.content.append(254)
# Full light on sunlight, none when no sunlight
self.param1.append(15)
# No additional parameters
self.param2.append(0)
# key = v3 pos
# value = NodeMeta
self.nodemeta = {}
# key = v3 pos
# value = StaticObject
self.static_objects = {}
def set_content(self, v3, b):
self.content[v3.Z*16*16+v3.Y*16+v3.X] = b
def set_param1(self, v3, b):
self.param1[v3.Z*16*16+v3.Y*16+v3.X] = b
def set_param2(self, v3, b):
self.param2[v3.Z*16*16+v3.Y*16+v3.X] = b
# Get data for serialization. Returns a string.
def serialize_data(self):
s = ""
for i in range(16*16*16):
s += chr(self.content[i])
for i in range(16*16*16):
s += chr(self.param1[i])
for i in range(16*16*16):
s += chr(self.param2[i])
return s
def serialize_nodemeta(self):
s = ""
s += ser_u16(1)
s += ser_u16(len(self.nodemeta))
for pos, meta in self.nodemeta.items():
pos_i = pos.Z*16*16 + pos.Y*16 + pos.X
s += ser_u16(pos_i)
s += ser_u16(meta.type_id)
s += ser_u16(len(meta.data))
s += meta.data
return s
def serialize_staticobj(self):
s = ""
s += chr(0)
s += ser_u16(len(self.static_objects))
for pos, obj in self.static_objects.items():
pos_i = pos.Z*16*16 + pos.Y*16 + pos.X
s += ser_s32(pos.X*1000)
s += ser_s32(pos.Y*1000)
s += ser_s32(pos.Z*1000)
s += ser_u16(obj.type_id)
s += ser_u16(len(obj.data))
s += obj.data
return s
def writeblock(mapdir, px,py,pz, block):
sectordir = mapdir + get_sector_dir(px, pz);
try:
os.makedirs(sectordir)
except OSError:
pass
path = sectordir+"/"+to4h(py)
print("writing block file "+path)
f = open(sectordir+"/"+to4h(py), "wb")
if f == None:
return
# version
version = 17
f.write(struct.pack('B', version))
# flags
# 0x01=is_undg, 0x02=dn_diff, 0x04=lighting_expired
flags = 0 + 0x02 + 0x04
f.write(struct.pack('B', flags))
# data
c_obj = zlib.compressobj()
c_obj.compress(block.serialize_data())
f.write(struct.pack('BB', 0x78, 0x9c)) # zlib magic number
f.write(c_obj.flush())
# node metadata
c_obj = zlib.compressobj()
c_obj.compress(block.serialize_nodemeta())
f.write(struct.pack('BB', 0x78, 0x9c)) # zlib magic number
f.write(c_obj.flush())
# mapblockobject count
f.write(ser_u16(0))
# static objects
f.write(block.serialize_staticobj())
# timestamp
f.write(ser_u32(0xffffffff))
f.close()
for z0 in range(-1,3):
for x0 in range(-1,3):
for y0 in range(-1,3):
print("generating block "+str(x0)+","+str(y0)+","+str(z0))
#v3 blockp = v3(x0,y0,z0)
# Create a MapBlock
block = MapBlock()
# Generate stuff in it
for z in range(0,16):
for x in range(0,16):
h = 20.0*pnoise((x0*16+x)/100.,(z0*16+z)/100.,SEED+0)
h += 5.0*pnoise((x0*16+x)/25.,(z0*16+z)/25.,SEED+0)
if pnoise((x0*16+x)/25.,(z0*16+z)/25.,SEED+92412) > 0.05:
h += 10
#print("r="+str(r))
# This enables comparison by ==
h = int(h)
for y in range(0,16):
p = v3(x,y,z)
b = 254
y1 = y0*16+y
if y1 <= h-3:
b = 0 #stone
elif y1 <= h and y1 <= 0:
b = 8 #mud
elif y1 == h:
b = 1 #grass
elif y1 < h:
b = 8 #mud
elif y1 <= 1:
b = 9 #water
# Material content
block.set_content(p, b)
# Place a sign at the center at surface level.
# Placing a sign means placing the sign node and
# adding node metadata to the mapblock.
if x == 8 and z == 8 and y0*16 <= h-1 and (y0+1)*16-1 > h:
p = v3(8,h+1-y0*16,8)
# 14 = Sign
content_type = 14
block.set_content(p, content_type)
# This places the sign to the bottom of the cube.
# Working values: 0x01, 0x02, 0x04, 0x08, 0x10, 0x20
block.set_param2(p, 0x08)
# Then add metadata to hold the text of the sign
s = "Hello at sector ("+str(x0)+","+str(z0)+")"
meta = NodeMeta(content_type, ser_u16(len(s))+s)
block.nodemeta[p] = meta
# Write it on disk
writeblock(mapdir, x0,y0,z0, block)
#END

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#
# A python perlin noise implementation, from
# http://www.fundza.com/c4serious/noise/perlin/perlin.html
#
# This is used for testing how to create maps with a python script.
#
import math
p = (
151,160,137,91,90,15,131,13,201,95,96,53,194,233,7,225,140,36,103,
30,69,142,8,99,37,240,21,10,23,190,6,148,247,120,234,75,0,26,197,
62,94,252,219,203,117,35,11,32,57,177,33,88,237,149,56,87,174,20,
125,136,171,168,68,175,74,165,71,134,139,48,27,166,77,146,158,231,
83,111,229,122,60,211,133,230,220,105,92,41,55,46,245,40,244,102,
143,54,65,25,63,161,1,216,80,73,209,76,132,187,208,89,18,169,200,
196,135,130,116,188,159,86,164,100,109,198,173,186,3,64,52,217,226,
250,124,123,5,202,38,147,118,126,255,82,85,212,207,206,59,227,47,16,
58,17,182,189,28,42,223,183,170,213,119,248,152,2,44,154,163,70,
221,153,101,155,167,43,172,9,129,22,39,253,19,98,108,110,79,113,
224,232,178,185,112,104,218,246,97,228,251,34,242,193,238,210,144,
12,191,179,162,241,81,51,145,235,249,14,239,107,49,192,214,31,181,
199,106,157,184,84,204,176,115,121,50,45,127,4,150,254,138,236,
205,93,222,114,67,29,24,72,243,141,128,195,78,66,215,61,156,180,
151,160,137,91,90,15,131,13,201,95,96,53,194,233,7,225,140,36,103,
30,69,142,8,99,37,240,21,10,23,190,6,148,247,120,234,75,0,26,197,
62,94,252,219,203,117,35,11,32,57,177,33,88,237,149,56,87,174,20,
125,136,171,168,68,175,74,165,71,134,139,48,27,166,77,146,158,231,
83,111,229,122,60,211,133,230,220,105,92,41,55,46,245,40,244,102,
143,54,65,25,63,161,1,216,80,73,209,76,132,187,208,89,18,169,200,
196,135,130,116,188,159,86,164,100,109,198,173,186,3,64,52,217,226,
250,124,123,5,202,38,147,118,126,255,82,85,212,207,206,59,227,47,16,
58,17,182,189,28,42,223,183,170,213,119,248,152,2,44,154,163,70,
221,153,101,155,167,43,172,9,129,22,39,253,19,98,108,110,79,113,
224,232,178,185,112,104,218,246,97,228,251,34,242,193,238,210,144,
12,191,179,162,241,81,51,145,235,249,14,239,107,49,192,214,31,181,
199,106,157,184,84,204,176,115,121,50,45,127,4,150,254,138,236,
205,93,222,114,67,29,24,72,243,141,128,195,78,66,215,61,156,180)
def lerp(t, a, b):
return a + t * (b - a)
def fade(t):
return t * t * t * (t * (t * 6 - 15) + 10)
def grad(hash, x, y, z):
h = hash & 15
if h < 8:
u = x
else:
u = y
if h < 4:
v = y
elif h == 12 or h == 14:
v = x
else:
v = z
if h & 1 != 0:
u = -u
if h & 2 != 0:
v = -v
return u + v
def pnoise(x, y, z):
global p
X = int(math.floor(x)) & 255
Y = int(math.floor(y)) & 255
Z = int(math.floor(z)) & 255
x -= math.floor(x)
y -= math.floor(y)
z -= math.floor(z)
u = fade(x)
v = fade(y)
w = fade(z)
A = p[X] + Y
AA = p[A] + Z
AB = p[A + 1] + Z
B = p[X + 1] + Y
BA = p[B] + Z
BB = p[B + 1] + Z
pAA = p[AA]
pAB = p[AB]
pBA = p[BA]
pBB = p[BB]
pAA1 = p[AA + 1]
pBA1 = p[BA + 1]
pAB1 = p[AB + 1]
pBB1 = p[BB + 1]
gradAA = grad(pAA, x, y, z)
gradBA = grad(pBA, x-1, y, z)
gradAB = grad(pAB, x, y-1, z)
gradBB = grad(pBB, x-1, y-1, z)
gradAA1 = grad(pAA1,x, y, z-1)
gradBA1 = grad(pBA1,x-1, y, z-1)
gradAB1 = grad(pAB1,x, y-1, z-1)
gradBB1 = grad(pBB1,x-1, y-1, z-1)
return lerp(w,
lerp(v, lerp(u, gradAA, gradBA), lerp(u, gradAB, gradBB)),
lerp(v, lerp(u, gradAA1,gradBA1),lerp(u, gradAB1,gradBB1)))