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Diffstat (limited to 'hercules/code/clienttoserver/maps.py')
| -rw-r--r-- | hercules/code/clienttoserver/maps.py | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/hercules/code/clienttoserver/maps.py b/hercules/code/clienttoserver/maps.py new file mode 100644 index 0000000..69ef4ef --- /dev/null +++ b/hercules/code/clienttoserver/maps.py @@ -0,0 +1,190 @@ +# -*- 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 = "../../serverdata/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 = "../../serverdata/maps/re/" + srcDir = "../../clientdata/maps/" + removeDir(destDir) + makeDir(destDir) + for names in getTmxFiles(srcDir): + recreateMap(names) |