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Diffstat (limited to 'src/resources/mapreader.cpp')
| -rw-r--r-- | src/resources/mapreader.cpp | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/src/resources/mapreader.cpp b/src/resources/mapreader.cpp new file mode 100644 index 00000000..7e604b93 --- /dev/null +++ b/src/resources/mapreader.cpp @@ -0,0 +1,229 @@ +/* + * The Mana World + * Copyright 2004 The Mana World Development Team + * + * This file is part of The Mana World. + * + * The Mana World 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 + * any later version. + * + * The Mana World 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 The Mana World; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id$ + */ + +#include "mapreader.h" +#include "../log.h" + +#include <iostream> + +#define DEFAULT_TILE_WIDTH 32 +#define DEFAULT_TILE_HEIGHT 32 + + +Map *MapReader::readMap(const std::string &filename) +{ + std::cout << "Attempting to parse XML map data"; + + FILE* f = fopen(filename.c_str(), "rb"); + char *map_string; + + if (!f) { + error(std::string("Error: failed to open ") + filename); + } + + // Get size of file + fseek(f, 0, SEEK_END); + long size = ftell(f); + rewind(f); + + // Read file into character array + map_string = new char[size + 1]; + fread(map_string, 1, size, f); + map_string[size] = '\0'; + + fclose(f); + + xmlDocPtr doc = xmlReadMemory(map_string, size, NULL, NULL, 0); + delete[] map_string; + + if (doc) { + std::cout << "Looking for root node"; + xmlNodePtr node = xmlDocGetRootElement(doc); + + if (!node || !xmlStrEqual(node->name, BAD_CAST "map")) { + log("Warning: No map file (%s)!", filename.c_str()); + return NULL; + } + + std::cout << "Loading map from XML tree"; + return readMap(node, filename); + xmlFreeDoc(doc); + } else { + log("Error while parsing map file (%s)!", filename.c_str()); + } + + return NULL; +} + +Map* MapReader::readMap(xmlNodePtr node, const std::string &path) +{ + xmlChar *prop; + + prop = xmlGetProp(node, BAD_CAST "version"); + xmlFree(prop); + + int w = getProperty(node, "width", 0); + int h = getProperty(node, "height", 0); + int tilew = getProperty(node, "tilewidth", DEFAULT_TILE_WIDTH); + int tileh = getProperty(node, "tileheight", DEFAULT_TILE_HEIGHT); + int layerNr = 0; + Map* map = new Map(w, h); + + for (node = node->xmlChildrenNode; node != NULL; node = node->next) + { + if (xmlStrEqual(node->name, BAD_CAST "tileset")) { + /* + Tileset* set = readTileset(node, path); + if (set) { + map->tilesets.push_back(set); + } + */ + } + else if (xmlStrEqual(node->name, BAD_CAST "layer")) { + log("- Loading layer %d", layerNr); + readLayer(node, map, layerNr); + layerNr++; + } + /* + else if (xmlStrEqual(node->name, BAD_CAST "object")) { + int x = getProperty(node, "x", 0); + int y = getProperty(node, "y", 0); + + // Spawn the object + prop = xmlGetProp(node, BAD_CAST "type"); + + log("- Adding %s at (%d, %d)", (char*)prop, x, y); + map->addObject(double(x) / tilew, double(y) / tileh, (char*)prop); + xmlFree(prop); + } + */ + } + + return map; +} + +void MapReader::readLayer(xmlNodePtr node, Map *map, int layer) +{ + // Ignored layer attributes + //int w = getProperty(node, "width", 0); // Map width is used + //int h = getProperty(node, "height", 0); // Map height is used + //xmlChar *name = xmlGetProp(node, BAD_CAST "name"); + + node = node->xmlChildrenNode; + int x = 0; + int y = 0; + + // Load the tile data + /* + while (node != NULL) + { + if (xmlStrEqual(node->name, BAD_CAST "tile") && y < h) + { + xmlChar *name = xmlGetProp(node, BAD_CAST "name"); + int gid = getProperty(node, "gid", -1); + + if (gid > -1) { + layer->setTile(Point(x, y), map->getTile(gid)); + } + else { + layer->setTile(Point(x, y), NULL); + } + + x++; + if (x == w) {x = 0; y++;} + } + + if (xmlStrEqual(node->name, BAD_CAST "data")) { + node = node->xmlChildrenNode; + } else { + node = node->next; + } + } + */ +} + +/* +Tileset* MapReader::readTileset(xmlNodePtr node, const std::string &path) +{ + Tileset* set = NULL; + + xmlChar* prop = xmlGetProp(node, BAD_CAST "source"); + if (prop) { + console.log(CON_LOG, CON_ALWAYS, + "Warning: External tilesets not supported yet."); + xmlFree(prop); + return NULL; + } + + int firstgid = getProperty(node, "firstgid", 0); + int tw = getProperty(node, "tilewidth", DEFAULT_TILE_WIDTH); + int th = getProperty(node, "tileheight", DEFAULT_TILE_HEIGHT); + int ts = getProperty(node, "spacing", 0); + xmlChar* name = xmlGetProp(node, BAD_CAST "name"); + + node = node->xmlChildrenNode; + + while (node != NULL) { + if (xmlStrEqual(node->name, BAD_CAST "image")) { + xmlChar* source = xmlGetProp(node, BAD_CAST "source"); + + if (source) { + char* srcname = get_filename((char*)source); + BITMAP* tilebmp = module->findBitmap(srcname); + + if (tilebmp) { + set = new Tileset(); + set->importTileBitmap(tilebmp, (char*)source, tw, th, ts); + set->setFirstGid(firstgid); + if (name) { set->setName((char*)name); } + xmlFree(source); + } else { + printf("Warning: Failed to load tileset %s (%s)\n", + srcname, (char*)name); + } + } + + break; + } + + node = node->next; + } + + xmlFree(name); + + return set; +} +*/ + +int MapReader::getProperty(xmlNodePtr node, const char* name, int def) +{ + xmlChar *prop = xmlGetProp(node, BAD_CAST name); + if (prop) { + int val = atoi((char*)prop); + xmlFree(prop); + return val; + } + else { + return def; + } +} |