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# -*- coding: utf8 -*-
#
# Copyright (C) 2014 Evol Online
# Author: Andrei Karas (4144)
import array
import csv
import hashlib
import os
import zlib
import struct
import StringIO
from xml.dom import minidom
from code.fileutils import makeDir, writeInt16, writeInt32, writeData, removeDir
def getTmxFiles(srcDir):
names = []
for name in os.listdir(srcDir):
names.append(name)
names.sort()
for name in names:
fileName = srcDir + name
if os.path.isfile(fileName) == False:
continue
if name.endswith(".tmx") == False:
continue
yield (fileName, name)
def findFirstGid(tilesets, tile):
found = -1
for t in tilesets:
if t <= tile:
found = t
break
return found
# client
# 0 - walkable ground
# 1 - non walkable wall
# 2 - air allowed shootable too
# 3 - water allowed water, shootable too
# 4 - sit, walkable ground
# 5 - player walk not allowed
# 6 - monster walk not allowed
# server
# 0 - walkable ground
# 1 - non walkable wall
# 2 - air allowed shootable too
# 3 - water allowed water, shootable too
# 4 - sit, walkable ground
# 5 - none
# 6 - monster walk not allowed
def convertTileType(tile, idx, width, height):
if tile == 5:
tile = 0;
if tile > 6 or tile < 0:
y = int(idx / width)
x = idx - y * width
print "Error: wrong tile: ({0}, {1}) = {2}".format(x, y, tile)
tile = 1
return tile
# map file format
#
# int16 version;
# uint8 md5_checksum[16];
# int16 xs;
# int16 ys;
# int32 len;
# ...data...
def recreateMap(names):
collisionLayerName = "collision"
destDir = "../../server-data/maps/re/"
tmxName = names[0]
mCaheName = destDir + names[1][:-3] + "mcache"
with open(mCaheName, "wb") as w:
print tmxName
dom = minidom.parse(tmxName)
root = dom.documentElement
tilesets = []
for tileset in root.getElementsByTagName("tileset"):
tilesets.append(int(tileset.attributes["firstgid"].value))
tilesets.sort(reverse = True)
found = False
for layer in root.getElementsByTagName("layer"):
if layer.attributes["name"].value.lower() == collisionLayerName:
data = layer.getElementsByTagName("data")
if data is None or len(data) != 1:
continue
data = data[0]
width = int(layer.attributes["width"].value)
height = int(layer.attributes["height"].value)
encoding = data.attributes["encoding"].value
try:
compression = data.attributes["compression"].value
except:
compression = ""
tiles = []
if encoding == "base64":
binData = data.childNodes[0].data.strip()
binData = binData.decode('base64')
if compression == "gzip":
dc = zlib.decompressobj(16 + zlib.MAX_WBITS)
else:
dc = zlib.decompressobj()
layerData = dc.decompress(binData)
arr = array.array("I")
arr.fromstring(layerData)
idx = 0
for tile in arr:
if tile == 0:
tileType = 0
else:
firstgid = findFirstGid(tilesets, tile)
tileType = convertTileType(tile - firstgid, idx, width, height);
tiles.append(tileType)
idx = idx + 1
elif encoding == "csv":
binData = data.childNodes[0].data.strip()
f = StringIO.StringIO(binData)
arr = list(csv.reader(f, delimiter=',', quotechar='|'))
idx = 0
for row in arr:
for item in row:
if item != "":
tile = int(item)
if tile == 0:
tileType = 0
else:
firstgid = findFirstGid(tilesets, tile)
tileType = convertTileType(tile - firstgid, idx, width, height);
# tmx collision format
# 0 - walkable ground
# 1 - non walkable wall
# 2 - air allowed shootable too
# 3 - water allowed water, shootable too
# 4 - sit, walkable ground
# 5 - none
# server collision format
# 000 0 - walkable, shootable
# 001 1 - wall
# 010 2 - same with 0
# 011 3 - walkable, shootable, water
# 100 4 - same with 0
# 101 5 - shootable
# 110 6 - same with 0
# 111 7 - none
if tileType > 128 or tileType < 0:
tileType = 1
tiles.append(tileType)
idx = idx + 1
f.close()
else:
print "map format not supported: " + tmxName
continue
#comp = zlib.compressobj()
binData = struct.pack(str(len(tiles))+"B", *tiles)
binData = zlib.compress(binData)
writeInt16(w, 1)
writeData(w, hashlib.md5(binData).digest()) # 16 bytes
writeInt16(w, width)
writeInt16(w, height)
writeInt32(w, len(binData))
writeData(w, binData)
#print tmxName
found = True
break
if found == False:
print "Error: missing collision layer in file: {0}".format(tmxName)
return
return
with open(mCaheName + ".debug", "wb") as w:
writeInt16(w, width)
writeInt16(w, height)
writeData(w, struct.pack(str(len(tiles))+"B", *tiles))
def recreateMapCache():
destDir = "../../server-data/maps/re/"
srcDir = "../../client-data/maps/"
removeDir(destDir)
makeDir(destDir)
for names in getTmxFiles(srcDir):
recreateMap(names)
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