| 1 | |
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| 2 | /* |
1 | /* |
| 3 | CrossFire, A Multiplayer game for X-windows |
2 | * This file is part of Crossfire TRT, the Roguelike Realtime MORPG. |
| 4 | |
3 | * |
| 5 | Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team |
4 | * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team |
| 6 | Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
5 | * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team |
| 7 | Copyright (C) 1992 Frank Tore Johansen |
6 | * Copyright (©) 1992,2007 Frank Tore Johansen |
| 8 | |
7 | * |
| 9 | This program is free software; you can redistribute it and/or modify |
8 | * Crossfire TRT is free software: you can redistribute it and/or modify |
| 10 | it under the terms of the GNU General Public License as published by |
9 | * it under the terms of the GNU General Public License as published by |
| 11 | the Free Software Foundation; either version 2 of the License, or |
10 | * the Free Software Foundation, either version 3 of the License, or |
| 12 | (at your option) any later version. |
11 | * (at your option) any later version. |
| 13 | |
12 | * |
| 14 | This program is distributed in the hope that it will be useful, |
13 | * This program is distributed in the hope that it will be useful, |
| 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | GNU General Public License for more details. |
16 | * GNU General Public License for more details. |
| 18 | |
17 | * |
| 19 | You should have received a copy of the GNU General Public License |
18 | * You should have received a copy of the GNU General Public License |
| 20 | along with this program; if not, write to the Free Software |
19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 21 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
20 | * |
| 22 | |
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| 23 | The authors can be reached via e-mail at <crossfire@schmorp.de> |
21 | * The authors can be reached via e-mail to <crossfire@schmorp.de> |
| 24 | */ |
22 | */ |
| 25 | |
23 | |
| 26 | #include <global.h> |
24 | #include <global.h> |
| 27 | #include <random_map.h> |
25 | #include <random_map.h> |
| 28 | #include <dirent.h> |
26 | #include <dirent.h> |
| 29 | #include <sys/stat.h> |
27 | #include <sys/stat.h> |
| 30 | #include <unistd.h> |
28 | #include <unistd.h> |
| 31 | #include "../include/autoconf.h" |
29 | #include "../include/autoconf.h" |
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30 | |
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31 | // NAME_MAX may not be defined on POSIX systems |
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32 | #ifndef NAME_MAX |
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33 | # define NAME_MAX 255 |
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34 | #endif |
| 32 | |
35 | |
| 33 | static int |
36 | static int |
| 34 | pointer_strcmp (const void *p1, const void *p2) |
37 | pointer_strcmp (const void *p1, const void *p2) |
| 35 | { |
38 | { |
| 36 | const char *s1 = *(const char **) p1; |
39 | const char *s1 = *(const char **) p1; |
| … | |
… | |
| 61 | int entries = 0, entry_size = 0; |
64 | int entries = 0, entry_size = 0; |
| 62 | char name[NAME_MAX + 1], **rn = NULL; |
65 | char name[NAME_MAX + 1], **rn = NULL; |
| 63 | struct stat sb; |
66 | struct stat sb; |
| 64 | |
67 | |
| 65 | dp = opendir (dir); |
68 | dp = opendir (dir); |
| 66 | if (dp == NULL) |
69 | if (!dp) |
| 67 | return -1; |
70 | return -1; |
| 68 | |
71 | |
| 69 | while ((d = readdir (dp)) != NULL) |
72 | while ((d = readdir (dp))) |
| 70 | { |
73 | { |
| 71 | sprintf (name, "%s/%s", dir, d->d_name); |
74 | sprintf (name, "%s/%s", dir, d->d_name); |
| 72 | if (skip_dirs) |
75 | if (skip_dirs) |
| 73 | { |
76 | { |
| 74 | stat (name, &sb); |
77 | stat (name, &sb); |
| 75 | if (S_ISDIR (sb.st_mode)) |
78 | if (S_ISDIR (sb.st_mode)) |
| 76 | { |
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| 77 | continue; |
79 | continue; |
| 78 | } |
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| 79 | } |
80 | } |
| 80 | |
81 | |
| 81 | if (entries == entry_size) |
82 | if (entries == entry_size) |
| 82 | { |
83 | { |
| 83 | entry_size += 10; |
84 | entry_size += 10; |
| … | |
… | |
| 109 | sprintf (style_file_path, "%s/%s", dirname, stylename); |
110 | sprintf (style_file_path, "%s/%s", dirname, stylename); |
| 110 | else /* otherwise, just use the dirname. We'll pick a random stylefile. */ |
111 | else /* otherwise, just use the dirname. We'll pick a random stylefile. */ |
| 111 | sprintf (style_file_path, "%s", dirname); |
112 | sprintf (style_file_path, "%s", dirname); |
| 112 | |
113 | |
| 113 | /* is what we were given a directory, or a file? */ |
114 | /* is what we were given a directory, or a file? */ |
| 114 | sprintf (style_file_full_path, "%s/maps%s", settings.datadir, style_file_path); |
115 | sprintf (style_file_full_path, "%s/maps%s.map", settings.datadir, style_file_path); |
| 115 | |
116 | |
| 116 | if (stat (style_file_full_path, &file_stat) == 0 && !S_ISDIR (file_stat.st_mode)) |
117 | if (stat (style_file_full_path, &file_stat) == 0 && !S_ISDIR (file_stat.st_mode)) |
| 117 | style_map = maptile::find_sync (style_file_path); |
118 | style_map = maptile::find_sync (style_file_path); |
| 118 | |
119 | |
| 119 | if (!style_map) /* maybe we were given a directory! */ |
120 | if (!style_map) /* maybe we were given a directory! */ |
| … | |
… | |
| 149 | if (only_subdirs) |
150 | if (only_subdirs) |
| 150 | style_map = 0; |
151 | style_map = 0; |
| 151 | else |
152 | else |
| 152 | { |
153 | { |
| 153 | strcat (style_file_path, "/"); |
154 | strcat (style_file_path, "/"); |
| 154 | strcat (style_file_path, namelist[RANDOM () % n]); |
155 | strcat (style_file_path, namelist[rndm (n)]); |
| 155 | style_map = maptile::find_sync (style_file_path); |
156 | style_map = maptile::find_sync (style_file_path); |
| 156 | } |
157 | } |
| 157 | } |
158 | } |
| 158 | else |
159 | else |
| 159 | { /* find the map closest in difficulty */ |
160 | { /* find the map closest in difficulty */ |
| … | |
… | |
| 167 | if ((mfile_name - 1) == NULL) |
168 | if ((mfile_name - 1) == NULL) |
| 168 | { /* since there isn't a sequence, */ |
169 | { /* since there isn't a sequence, */ |
| 169 | int q; |
170 | int q; |
| 170 | |
171 | |
| 171 | /*pick one at random to recurse */ |
172 | /*pick one at random to recurse */ |
| 172 | style_map = find_style (style_file_path, namelist[RANDOM () % n], difficulty); |
173 | style_map = find_style (style_file_path, namelist[rndm (n)], difficulty); |
| 173 | for (q = 0; q < n; q++) |
174 | for (q = 0; q < n; q++) |
| 174 | free (namelist[q]); |
175 | free (namelist[q]); |
| 175 | free (namelist); |
176 | free (namelist); |
| 176 | return style_map; |
177 | return style_map; |
| 177 | } |
178 | } |
| … | |
… | |
| 204 | style_map->load_sync (); |
205 | style_map->load_sync (); |
| 205 | style_map->deactivate (); |
206 | style_map->deactivate (); |
| 206 | } |
207 | } |
| 207 | |
208 | |
| 208 | return style_map; |
209 | return style_map; |
| 209 | |
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| 210 | } |
210 | } |
| 211 | |
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| 212 | /* picks a random object from a style map. |
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| 213 | * Redone by MSW so it should be faster and not use static |
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| 214 | * variables to generate tables. |
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| 215 | */ |
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| 216 | object * |
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| 217 | pick_random_object (maptile *style) |
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| 218 | { |
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| 219 | /* while returning a null object will result in a crash, that |
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| 220 | * is actually preferable to an infinite loop. That is because |
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| 221 | * most servers will automatically restart in case of crash. |
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| 222 | * Change the logic on getting the random space - shouldn't make |
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| 223 | * any difference, but this seems clearer to me. |
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| 224 | */ |
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| 225 | for (int i = 1000; --i;) |
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| 226 | { |
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| 227 | object *new_obj = style->at (RANDOM () % style->width, RANDOM () % style->height).bot; |
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| 228 | |
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| 229 | if (new_obj) |
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| 230 | return new_obj->head_ (); |
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| 231 | } |
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| 232 | |
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| 233 | // instead of crashing in the unlikely case, try to return *something* |
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| 234 | return get_archetype ("blocked"); |
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| 235 | } |
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