mirror of
https://github.com/minetest/minetest.git
synced 2024-11-27 01:53:45 +01:00
Remove util/old/genmap.py, because it is uselessly old
This commit is contained in:
Perttu Ahola
parent
16ad10e62f
commit
dece3a3600
@ -1,271 +0,0 @@
|
||||
#!/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
|
||||
@ -1,102 +0,0 @@
|
||||
#
|
||||
# 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)))
|
||||
Loading…
Reference in New Issue
Block a user