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Diffstat (limited to 'tools/tmx_converter.py')
-rwxr-xr-x | tools/tmx_converter.py | 303 |
1 files changed, 303 insertions, 0 deletions
diff --git a/tools/tmx_converter.py b/tools/tmx_converter.py new file mode 100755 index 00000000..763ed926 --- /dev/null +++ b/tools/tmx_converter.py @@ -0,0 +1,303 @@ +#!/usr/bin/env python +# -*- encoding: utf-8 -*- + +## tmx_converter.py - Extract walkmap, warp, and spawn information from maps. +## +## Copyright © 2012 Ben Longbons <b.r.longbons@gmail.com> +## +## This file is part of The Mana World +## +## This program is free software: you can redistribute it and/or modify +## it under the terms of the GNU General Public License as published by +## the Free Software Foundation, either version 2 of the License, or +## (at your option) any later version. +## +## This program is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +## GNU General Public License for more details. +## +## You should have received a copy of the GNU General Public License +## along with this program. If not, see <http://www.gnu.org/licenses/>. + + +from __future__ import print_function + +import sys +import os +import posixpath +import struct +import xml.sax + +dump_all = False # wall of text + +# lower case versions of everything except 'spawn' and 'warp' +other_object_types = { + 'particle_effect', + 'npc', # not interpreted by client + 'script', # for ManaServ + 'fixme', # flag for things that didn't have a type before +} + +# Somebody has put ManaServ fields in our data! +other_spawn_fields = ( + 'spawn_rate', +) +other_warp_fields = ( +) + +TILESIZE = 32 +SEPARATOR = '|' +MESSAGE = 'This file is generated automatically. All manually changes will be removed when running the Converter.' +CLIENT_MAPS = 'maps' +SERVER_WLK = 'data' +SERVER_NPCS = 'npc' +NPC_MOBS = '_mobs.txt' +NPC_WARPS = '_warps.txt' +NPC_IMPORTS = '_import.txt' +NPC_MASTER_IMPORTS = NPC_IMPORTS + +class State(object): + pass +State.INITIAL = State() +State.LAYER = State() +State.DATA = State() +State.FINAL = State() + +class Object(object): + __slots__ = ( + 'name', + #'map', + 'x', 'y', + 'w', 'h', + ) +class Mob(Object): + __slots__ = ( + 'monster_id', + 'max_beings', + 'ea_spawn', + 'ea_death', + ) + other_spawn_fields + def __init__(self): + self.max_beings = 1 + self.ea_spawn = 0 + self.ea_death = 0 + +class Warp(Object): + __slots__ = ( + 'dest_map', + 'dest_x', + 'dest_y', + ) + other_warp_fields + +class ContentHandler(xml.sax.ContentHandler): + __slots__ = ( + 'locator', # keeps track of location in document + 'out', # open file handle to .wlk + 'state', # state of collision info + 'tilesets', # first gid of each tileset + 'buffer', # characters within a section + 'base', # base name of current map + 'npc_dir', # world/map/npc/<base> + 'mobs', # open file to _mobs.txt + 'warps', # open file to _warps.txt + 'imports', # open file to _import.txt + 'name', # name property of the current map + 'object', # stores properties of the latest <object> tag + 'mob_ids', # set of all mob types that spawn here + ) + def __init__(self, out, npc_dir, mobs, warps, imports): + xml.sax.ContentHandler.__init__(self) + self.locator = None + self.out = open(out, 'w') + self.state = State.INITIAL + self.tilesets = {0} # consider the null tile as its own tileset + self.buffer = bytearray() + self.base = posixpath.basename(npc_dir) + self.npc_dir = npc_dir + self.mobs = mobs + self.warps = warps + self.imports = imports + self.object = None + self.mob_ids = set() + + def setDocumentLocator(self, loc): + self.locator = loc + + # this method randomly cuts in the middle of a line; thus funky logic + def characters(self, s): + if not s.strip(): + return + if self.state is State.DATA: + self.buffer += s.encode('ascii') + + def startDocument(self): + pass + + def startElement(self, name, attr): + if dump_all: + attrs = ' '.join('%s="%s"' % (k,v) for k,v in attr.items()) + if attrs: + print('<%s %s>' % (name, attrs)) + else: + print('<%s>' % name) + + if self.state is State.INITIAL: + if name == u'property' and attr[u'name'].lower() == u'name': + self.name = attr[u'value'] + self.mobs.write('// %s\n' % MESSAGE) + self.mobs.write('// %s mobs\n\n' % self.name) + self.warps.write('// %s\n' % MESSAGE) + self.warps.write('// %s warps\n\n' % self.name) + + if name == u'tileset': + self.tilesets.add(int(attr[u'firstgid'])) + + if name == u'layer' and attr[u'name'].lower().startswith(u'collision'): + width = int(attr[u'width']) + height = int(attr[u'height']) + self.out.write(struct.pack('<HH', width, height)) + self.state = State.LAYER + elif self.state is State.LAYER: + if name == u'data': + if attr[u'encoding'] != u'csv': + print('Bad encoding (not csv):', attr[u'encoding']) + return + self.state = State.DATA + elif self.state is State.FINAL: + if name == u'object': + obj_type = attr[u'type'].lower() + x = int(attr[u'x']) / TILESIZE; + y = int(attr[u'y']) / TILESIZE; + w = int(attr.get(u'width', 0)) / TILESIZE; + h = int(attr.get(u'height', 0)) / TILESIZE; + # I'm not sure exactly what the w/h shrinking is for, + # I just copied it out of the old converter. + # I know that the x += w/2 is to get centers, though. + if obj_type == 'spawn': + self.object = Mob() + if w > 1: + w -= 1 + if h > 1: + h -= 1 + x += w/2 + y += h/2 + elif obj_type == 'warp': + self.object = Warp() + x += w/2 + y += h/2 + w -= 2 + h -= 2 + else: + if obj_type not in other_object_types: + print('Unknown object type:', obj_type, file=sys.stderr) + self.object = None + return + obj = self.object + obj.x = x + obj.y = y + obj.w = w + obj.h = h + obj.name = attr[u'name'] + elif name == u'property': + obj = self.object + if obj is None: + return + key = attr[u'name'].lower() + value = attr[u'value'] + # Not true due to defaulting + #assert not hasattr(obj, key) + try: + value = int(value) + except ValueError: + pass + setattr(obj, key, value) + + def add_warp_line(self, line): + self.warps.write(line) + + def endElement(self, name): + if dump_all: + print('</%s>' % name) + + if name == u'object': + obj = self.object + if isinstance(obj, Mob): + mob_id = obj.monster_id + if mob_id < 1000: + mob_id += 1002 + self.mob_ids.add(mob_id) + self.mobs.write( + SEPARATOR.join([ + '%s.gat,%d,%d,%d,%d' % (self.base, obj.x, obj.y, obj.w, obj.h), + 'monster', + obj.name, + '%d,%d,%d,%d,Mob%s::On%d\n' % (mob_id, obj.max_beings, obj.ea_spawn, obj.ea_death, self.base, mob_id), + ]) + ) + elif isinstance(obj, Warp): + self.warps.write( + SEPARATOR.join([ + '%s.gat,%d,%d' % (self.base, obj.x, obj.y), + 'warp', + obj.name, + '%d,%d,%s.gat,%d,%d\n' % (obj.w, obj.h, obj.dest_map, obj.dest_x / 32, obj.dest_y / 32), + ]) + ) + + if self.state is State.DATA: + for x in self.buffer.split(','): + self.out.write(chr(int(x) not in self.tilesets)) + self.state = State.FINAL + + def endDocument(self): + self.mobs.write('\n\n%s.gat,0,0,0|script|Mob%s|-1,{\n' % (self.base, self.base)) + for mob_id in sorted(self.mob_ids): + self.mobs.write('On%d:\n set @mobID, %d;\n callfunc "MobPoints";\n end;\n\n' % (mob_id, mob_id)) + self.mobs.write(' end;\n}\n') + self.imports.write('// Map %s: %s\n' % (self.base, self.name)) + self.imports.write('// %s\n' % MESSAGE) + self.imports.write('map: %s.gat\n' % self.base) + + npcs = os.listdir(self.npc_dir) + npcs.sort() + for x in npcs: + if x == NPC_IMPORTS: + continue + if x.startswith('.'): + continue + if x.endswith('.txt'): + self.imports.write('npc: %s\n' % posixpath.join(SERVER_NPCS, self.base, x)) + pass + +def main(argv): + _, client_data, server_data = argv + tmx_dir = posixpath.join(client_data, CLIENT_MAPS) + wlk_dir = posixpath.join(server_data, SERVER_WLK) + npc_dir = posixpath.join(server_data, SERVER_NPCS) + + npc_master = [] + + for arg in os.listdir(tmx_dir): + base, ext = posixpath.splitext(arg) + + if ext == '.tmx': + tmx = posixpath.join(tmx_dir, arg) + wlk = posixpath.join(wlk_dir, base + '.wlk') + this_map_npc_dir = posixpath.join(npc_dir, base) + os.path.isdir(this_map_npc_dir) or os.mkdir(this_map_npc_dir) + print('Converting %s to %s' % (tmx, wlk)) + with open(posixpath.join(this_map_npc_dir, NPC_MOBS), 'w') as mobs, \ + open(posixpath.join(this_map_npc_dir, NPC_WARPS), 'w') as warps, \ + open(posixpath.join(this_map_npc_dir, NPC_IMPORTS), 'w') as imports: + xml.sax.parse(tmx, ContentHandler(wlk, this_map_npc_dir, mobs, warps, imports)) + npc_master.append('import: %s\n' % posixpath.join(SERVER_NPCS, base, NPC_IMPORTS)) + + with open(posixpath.join(npc_dir, NPC_MASTER_IMPORTS), 'w') as out: + out.write('// %s\n\n' % MESSAGE) + npc_master.sort() + for line in npc_master: + out.write(line) + +if __name__ == '__main__': + main(sys.argv) |