1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
|
/*
* 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 "resourcemanager.h"
#include "../graphic/spriteset.h"
#include <iostream>
#define DEFAULT_TILE_WIDTH 32
#define DEFAULT_TILE_HEIGHT 32
std::vector<Tileset*> MapReader::tilesets;
Tileset::Tileset(Image *img, int w, int h, int firstGid):
Spriteset(img, w, h),
firstGid(firstGid)
{
}
int Tileset::getFirstGid()
{
return firstGid;
}
Map *MapReader::readMap(const std::string &filename)
{
log("Attempting to parse XML map data");
std::string name = std::string("data/") + filename;
FILE* f = fopen(name.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) {
log("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;
}
log("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;
// Take the filename off the path
std::string pathDir = path.substr(0, path.rfind("/") + 1);
prop = xmlGetProp(node, BAD_CAST "version");
#ifndef WIN32
xmlFree(prop);
#endif
int w = getProperty(node, "width", 0);
int h = getProperty(node, "height", 0);
// We only support tile width of 32 at the moment
//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 *tileset = readTileset(node, pathDir, map);
if (tileset) {
tilesets.push_back(tileset);
}
}
else if (xmlStrEqual(node->name, BAD_CAST "layer"))
{
log("- Loading layer %d", layerNr);
readLayer(node, map, layerNr);
layerNr++;
}
}
return map;
}
void MapReader::readLayer(xmlNodePtr node, Map *map, int layer)
{
node = node->xmlChildrenNode;
int h = map->getHeight();
int w = map->getWidth();
int x = 0;
int y = 0;
// Load the tile data. Layers are assumed to be map size, with (0,0) as
// origin.
while (node != NULL)
{
if (xmlStrEqual(node->name, BAD_CAST "tile") && y < h)
{
int gid = getProperty(node, "gid", -1);
Image *img = NULL;
if (gid > -1) {
std::vector<Tileset*>::iterator i;
Tileset *set = NULL;
// Find the tileset with the highest firstGid below/eq to gid
for (i = tilesets.begin(); i != tilesets.end(); ++i) {
if ((*i)->getFirstGid() <= gid) {
set = (*i);
}
}
if (set && (gid - set->getFirstGid()) <
(int)set->spriteset.size())
{
img = set->spriteset[gid - set->getFirstGid()];
}
}
if (layer == 0) map->setWalk(x, y, true);
map->setTile(x, y, layer, img);
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, Map *map)
{
if (xmlHasProp(node, BAD_CAST "source")) {
log("Warning: External tilesets not supported yet.");
return NULL;
}
int firstGid = getProperty(node, "firstgid", 0);
int tw = getProperty(node, "tilewidth", map->getTileWidth());
int th = getProperty(node, "tileheight", map->getTileHeight());
node = node->xmlChildrenNode;
while (node != NULL)
{
if (xmlStrEqual(node->name, BAD_CAST "image"))
{
xmlChar* source = xmlGetProp(node, BAD_CAST "source");
if (source)
{
ResourceManager *resman = ResourceManager::getInstance();
Image* tilebmp = resman->getImage(path +
std::string((const char*)source));
if (tilebmp)
{
Tileset *set = new Tileset(tilebmp, tw, th, firstGid);
#ifndef WIN32
xmlFree(source);
#endif
return set;
}
else {
log("Warning: Failed to load tileset (%s)\n", source);
}
}
break;
}
node = node->next;
}
return NULL;
}
int MapReader::getProperty(xmlNodePtr node, const char* name, int def)
{
xmlChar *prop = xmlGetProp(node, BAD_CAST name);
if (prop) {
int val = atoi((char*)prop);
#ifndef WIN32
xmlFree(prop);
#endif
return val;
}
else {
return def;
}
}
|
