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Comparing deliantra/server/random_maps/style.C (file contents):
Revision 1.3 by root, Sun Sep 10 16:06:37 2006 UTC vs.
Revision 1.13 by root, Sun Dec 31 10:28:36 2006 UTC

1
2/*
3 * static char *rcsid_style_c =
4 * "$Id: style.C,v 1.3 2006/09/10 16:06:37 root Exp $";
5 */
6
7/* 1/*
8 CrossFire, A Multiplayer game for X-windows 2 CrossFire, A Multiplayer game for X-windows
9 3
10 Copyright (C) 2002 Mark Wedel & Crossfire Development Team 4 Copyright (C) 2002 Mark Wedel & Crossfire Development Team
11 Copyright (C) 1992 Frank Tore Johansen 5 Copyright (C) 1992 Frank Tore Johansen
… …
22 16
23 You should have received a copy of the GNU General Public License 17 You should have received a copy of the GNU General Public License
24 along with this program; if not, write to the Free Software 18 along with this program; if not, write to the Free Software
25 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 20
27 The authors can be reached via e-mail at crossfire-devel@real-time.com 21 The authors can be reached via e-mail at <crossfire@schmorp.de>
28*/ 22*/
29 23
30 24
31#include <global.h> 25#include <global.h>
32#include <random_map.h> 26#include <random_map.h>
33#ifndef WIN32 /* ---win32 exclude headers */
34# include <dirent.h> 27#include <dirent.h>
35# include <sys/stat.h> 28#include <sys/stat.h>
36# include <unistd.h> 29#include <unistd.h>
37# include "../include/autoconf.h" 30#include "../include/autoconf.h"
38#endif /* win32 */
39 31
40 32
41static int 33static int
42pointer_strcmp (const void *p1, const void *p2) 34pointer_strcmp (const void *p1, const void *p2)
43{ 35{
… …
89 if (entries == entry_size) 81 if (entries == entry_size)
90 { 82 {
91 entry_size += 10; 83 entry_size += 10;
92 rn = (char **) realloc (rn, sizeof (char *) * entry_size); 84 rn = (char **) realloc (rn, sizeof (char *) * entry_size);
93 } 85 }
94 rn[entries] = strdup_local (d->d_name); 86 rn[entries] = strdup (d->d_name);
95 entries++; 87 entries++;
96 88
97 } 89 }
98 (void) closedir (dp); 90 (void) closedir (dp);
99 91
… …
101 93
102 *namelist = rn; 94 *namelist = rn;
103 return entries; 95 return entries;
104} 96}
105 97
106 98maptile *
107
108
109
110/* this function loads and returns the map requested.
111 * dirname, for example, is "/styles/wallstyles", stylename, is,
112 * for example, "castle", difficulty is -1 when difficulty is
113 * irrelevant to the style. If dirname is given, but stylename
114 * isn't, and difficult is -1, it returns a random style map.
115 * Otherwise, it tries to match the difficulty given with a style
116 * file, named style_name_# where # is an integer
117 */
118
119/* remove extern, so visible to command_style_map_info function */
120mapstruct *styles = NULL;
121
122
123mapstruct *
124load_style_map (char *style_name)
125{
126 mapstruct *style_map;
127
128 /* Given a file. See if its in memory */
129 for (style_map = styles; style_map != NULL; style_map = style_map->next)
130 {
131 if (!strcmp (style_name, style_map->path))
132 return style_map;
133 }
134 style_map = load_original_map (style_name, MAP_STYLE);
135 /* Remove it from global list, put it on our local list */
136 if (style_map)
137 {
138 mapstruct *tmp;
139
140 if (style_map == first_map)
141 first_map = style_map->next;
142 else
143 {
144 for (tmp = first_map; tmp && tmp->next != style_map; tmp = tmp->next);
145 if (tmp)
146 tmp->next = style_map->next;
147 }
148 style_map->next = styles;
149 styles = style_map;
150 }
151 return style_map;
152}
153
154mapstruct *
155find_style (const char *dirname, const char *stylename, int difficulty) 99find_style (const char *dirname, const char *stylename, int difficulty)
156{ 100{
157 char style_file_path[256]; 101 char style_file_path[256];
158 char style_file_full_path[256]; 102 char style_file_full_path[256];
159 mapstruct *style_map = NULL; 103 maptile *style_map = NULL;
160 struct stat file_stat; 104 struct stat file_stat;
161 int i, only_subdirs = 0; 105 int i, only_subdirs = 0;
162 106
163 /* if stylename exists, set style_file_path to that file. */ 107 /* if stylename exists, set style_file_path to that file. */
164 if (stylename && strlen (stylename) > 0) 108 if (stylename && strlen (stylename) > 0)
… …
167 sprintf (style_file_path, "%s", dirname); 111 sprintf (style_file_path, "%s", dirname);
168 112
169 /* is what we were given a directory, or a file? */ 113 /* is what we were given a directory, or a file? */
170 sprintf (style_file_full_path, "%s/maps%s", settings.datadir, style_file_path); 114 sprintf (style_file_full_path, "%s/maps%s", settings.datadir, style_file_path);
171 if (stat (style_file_full_path, &file_stat) == 0 && !S_ISDIR (file_stat.st_mode)) 115 if (stat (style_file_full_path, &file_stat) == 0 && !S_ISDIR (file_stat.st_mode))
172 {
173 style_map = load_style_map (style_file_path); 116 style_map = maptile::load_map_sync (style_file_path);
174 } 117
175 if (style_map == NULL) /* maybe we were given a directory! */ 118 if (!style_map) /* maybe we were given a directory! */
176 { 119 {
177 char **namelist; 120 char **namelist;
178 int n; 121 int n;
179 char style_dir_full_path[256]; 122 char style_dir_full_path[256];
180 123
… …
201 * it properly. 144 * it properly.
202 */ 145 */
203 if (difficulty == -1) 146 if (difficulty == -1)
204 { /* pick a random style from this dir. */ 147 { /* pick a random style from this dir. */
205 if (only_subdirs) 148 if (only_subdirs)
206 style_map = NULL; 149 style_map = 0;
207 else 150 else
208 { 151 {
209 strcat (style_file_path, "/"); 152 strcat (style_file_path, "/");
210 strcat (style_file_path, namelist[RANDOM () % n]); 153 strcat (style_file_path, namelist[RANDOM () % n]);
211 style_map = load_style_map (style_file_path); 154 style_map = maptile::load_map_sync (style_file_path);
212 } 155 }
213 } 156 }
214 else 157 else
215 { /* find the map closest in difficulty */ 158 { /* find the map closest in difficulty */
216 int min_dist = 32000, min_index = -1; 159 int min_dist = 32000, min_index = -1;
… …
243 } 186 }
244 /* presumably now we've found the "best" match for the 187 /* presumably now we've found the "best" match for the
245 difficulty. */ 188 difficulty. */
246 strcat (style_file_path, "/"); 189 strcat (style_file_path, "/");
247 strcat (style_file_path, namelist[min_index]); 190 strcat (style_file_path, namelist[min_index]);
248 style_map = load_style_map (style_file_path); 191 style_map = maptile::load_map_sync (style_file_path);
249 } 192 }
193
250 for (i = 0; i < n; i++) 194 for (i = 0; i < n; i++)
251 free (namelist[i]); 195 free (namelist[i]);
196
252 free (namelist); 197 free (namelist);
253 } 198 }
199
254 return style_map; 200 return style_map;
255 201
256} 202}
257
258 203
259/* picks a random object from a style map. 204/* picks a random object from a style map.
260 * Redone by MSW so it should be faster and not use static 205 * Redone by MSW so it should be faster and not use static
261 * variables to generate tables. 206 * variables to generate tables.
262 */ 207 */
263object * 208object *
264pick_random_object (mapstruct *style) 209pick_random_object (maptile *style)
265{ 210{
266 int x, y, limit = 0; 211 int x, y, limit = 0;
267 object *new_obj; 212 object *new_obj;
268 213
269 /* while returning a null object will result in a crash, that 214 /* while returning a null object will result in a crash, that
… …
273 * any difference, but this seems clearer to me. 218 * any difference, but this seems clearer to me.
274 */ 219 */
275 do 220 do
276 { 221 {
277 limit++; 222 limit++;
278 x = RANDOM () % MAP_WIDTH (style); 223 x = RANDOM () % style->width;
279 y = RANDOM () % MAP_HEIGHT (style); 224 y = RANDOM () % style->height;
280 new_obj = get_map_ob (style, x, y); 225 new_obj = GET_MAP_OB (style, x, y);
281 } 226 }
282 while (new_obj == NULL && limit < 1000); 227 while (new_obj == NULL && limit < 1000);
228
283 if (new_obj->head) 229 if (new_obj->head)
284 return new_obj->head; 230 return new_obj->head;
285 else 231 else
286 return new_obj; 232 return new_obj;
287} 233}
288 234
289
290void
291free_style_maps (void)
292{
293 mapstruct *next;
294 int style_maps = 0;
295
296 /* delete_map will try to free it from the linked list,
297 * but won't find it, so we need to do it ourselves
298 */
299 while (styles)
300 {
301 next = styles->next;
302 delete_map (styles);
303 styles = next;
304 style_maps++;
305 }
306 LOG (llevDebug, "free_style_maps: Freed %d maps\n", style_maps);
307}

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