1 |
elmex |
1.1 |
/* |
2 |
|
|
CrossFire, A Multiplayer game for X-windows |
3 |
|
|
|
4 |
|
|
Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
5 |
|
|
Copyright (C) 1992 Frank Tore Johansen |
6 |
|
|
|
7 |
|
|
This program is free software; you can redistribute it and/or modify |
8 |
|
|
it under the terms of the GNU General Public License as published by |
9 |
|
|
the Free Software Foundation; either version 2 of the License, or |
10 |
|
|
(at your option) any later version. |
11 |
|
|
|
12 |
|
|
This program is distributed in the hope that it will be useful, |
13 |
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 |
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 |
|
|
GNU General Public License for more details. |
16 |
|
|
|
17 |
|
|
You should have received a copy of the GNU General Public License |
18 |
|
|
along with this program; if not, write to the Free Software |
19 |
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
20 |
|
|
|
21 |
root |
1.7 |
The author can be reached via e-mail to <crossfire@schmorp.de> |
22 |
elmex |
1.1 |
*/ |
23 |
|
|
|
24 |
|
|
#include <global.h> |
25 |
root |
1.11 |
#include <sproto.h> |
26 |
elmex |
1.1 |
#include <object.h> |
27 |
|
|
|
28 |
|
|
/* This writes out information on all the temporary maps. It is called by |
29 |
|
|
* swap_map below. |
30 |
|
|
*/ |
31 |
root |
1.6 |
static void |
32 |
|
|
write_map_log (void) |
33 |
elmex |
1.1 |
{ |
34 |
root |
1.6 |
FILE *fp; |
35 |
root |
1.8 |
maptile *map; |
36 |
root |
1.6 |
char buf[MAX_BUF]; |
37 |
|
|
long current_time = time (NULL); |
38 |
|
|
|
39 |
|
|
sprintf (buf, "%s/temp.maps", settings.localdir); |
40 |
|
|
if (!(fp = fopen (buf, "w"))) |
41 |
|
|
{ |
42 |
|
|
LOG (llevError, "Could not open %s for writing\n", buf); |
43 |
|
|
return; |
44 |
|
|
} |
45 |
root |
1.12 |
|
46 |
root |
1.6 |
for (map = first_map; map != NULL; map = map->next) |
47 |
|
|
{ |
48 |
|
|
/* If tmpname is null, it is probably a unique player map, |
49 |
|
|
* so don't save information on it. |
50 |
|
|
*/ |
51 |
root |
1.12 |
if (map->in_memory != MAP_IN_MEMORY && map->tmpname) |
52 |
root |
1.6 |
{ |
53 |
|
|
/* the 0 written out is a leftover from the lock number for |
54 |
|
|
* unique items and second one is from encounter maps. |
55 |
|
|
* Keep using it so that old temp files continue |
56 |
|
|
* to work. |
57 |
|
|
*/ |
58 |
|
|
fprintf (fp, "%s:%s:%ld:0:0:%d:0:%d\n", map->path, map->tmpname, |
59 |
|
|
(map->reset_time == (uint32) - 1 ? (long unsigned) -1 : map->reset_time - current_time), map->difficulty, map->darkness); |
60 |
root |
1.3 |
} |
61 |
elmex |
1.1 |
} |
62 |
root |
1.12 |
|
63 |
root |
1.6 |
fclose (fp); |
64 |
elmex |
1.1 |
} |
65 |
|
|
|
66 |
root |
1.6 |
void |
67 |
|
|
read_map_log (void) |
68 |
elmex |
1.1 |
{ |
69 |
root |
1.6 |
FILE *fp; |
70 |
root |
1.8 |
maptile *map; |
71 |
root |
1.6 |
char buf[MAX_BUF], *cp, *cp1; |
72 |
|
|
int do_los, darkness, lock; |
73 |
root |
1.9 |
long sec = time (0); |
74 |
elmex |
1.1 |
|
75 |
root |
1.6 |
sprintf (buf, "%s/temp.maps", settings.localdir); |
76 |
|
|
if (!(fp = fopen (buf, "r"))) |
77 |
|
|
{ |
78 |
|
|
LOG (llevDebug, "Could not open %s for reading\n", buf); |
79 |
|
|
return; |
80 |
elmex |
1.1 |
} |
81 |
root |
1.13 |
|
82 |
|
|
while (fgets (buf, MAX_BUF, fp)) |
83 |
root |
1.6 |
{ |
84 |
|
|
map = get_linked_map (); |
85 |
|
|
/* scanf doesn't work all that great on strings, so we break |
86 |
|
|
* out that manually. strdup is used for tmpname, since other |
87 |
|
|
* routines will try to free that pointer. |
88 |
|
|
*/ |
89 |
|
|
cp = strchr (buf, ':'); |
90 |
|
|
*cp++ = '\0'; |
91 |
|
|
strcpy (map->path, buf); |
92 |
|
|
cp1 = strchr (cp, ':'); |
93 |
|
|
*cp1++ = '\0'; |
94 |
root |
1.10 |
map->tmpname = strdup (cp); |
95 |
root |
1.6 |
|
96 |
|
|
/* Lock is left over from the lock items - we just toss it now. |
97 |
|
|
* We use it twice - second one is from encounter, but as we |
98 |
|
|
* don't care about the value, this works fine |
99 |
|
|
*/ |
100 |
|
|
sscanf (cp1, "%d:%d:%d:%hd:%d:%d\n", &map->reset_time, &lock, &lock, &map->difficulty, &do_los, &darkness); |
101 |
|
|
|
102 |
|
|
map->in_memory = MAP_SWAPPED; |
103 |
|
|
map->darkness = darkness; |
104 |
|
|
|
105 |
|
|
/* When the reset time is saved out, it is adjusted so that |
106 |
|
|
* the current time is subtracted (thus, it is saved as number |
107 |
|
|
* of seconds from current time that it should reset). We need |
108 |
|
|
* to add in the current seconds for this to work right. |
109 |
|
|
* On metalforge, strange behavior was observed with really high |
110 |
|
|
* reset times - I don't know how they got to that state, |
111 |
|
|
* but easy enough to do some sanity checking here. |
112 |
|
|
*/ |
113 |
|
|
map->reset_time += sec; |
114 |
|
|
if (map->reset_time > (uint32) (sec + MAP_MAXRESET)) |
115 |
|
|
map->reset_time = 0; |
116 |
|
|
} |
117 |
root |
1.11 |
|
118 |
root |
1.6 |
fclose (fp); |
119 |
elmex |
1.1 |
} |
120 |
|
|
|
121 |
root |
1.6 |
void |
122 |
root |
1.8 |
swap_map (maptile *map) |
123 |
root |
1.6 |
{ |
124 |
|
|
if (map->in_memory != MAP_IN_MEMORY) |
125 |
|
|
{ |
126 |
|
|
LOG (llevError, "Tried to swap out map which was not in memory.\n"); |
127 |
|
|
return; |
128 |
|
|
} |
129 |
root |
1.11 |
|
130 |
root |
1.17 |
// cannot (yet) swap out maps with players |
131 |
root |
1.14 |
for_all_players (pl) |
132 |
root |
1.15 |
if (pl->ob && pl->ob->map == map && !pl->ob->flag [FLAG_REMOVED]) |
133 |
root |
1.17 |
return; |
134 |
root |
1.15 |
|
135 |
|
|
remove_all_pets (map); /* Give them a chance to follow */ |
136 |
root |
1.6 |
|
137 |
root |
1.16 |
/* Update the reset time. Only do this if STAND_STILL is not set */ |
138 |
root |
1.15 |
if (!map->fixed_resettime) |
139 |
|
|
set_map_reset_time (map); |
140 |
|
|
|
141 |
|
|
/* If it is immediate reset time, don't bother saving it - just get |
142 |
|
|
* rid of it right away. |
143 |
|
|
*/ |
144 |
|
|
if (map->reset_time <= (uint32) time (0)) |
145 |
|
|
{ |
146 |
|
|
LOG (llevDebug, "Resetting map %s.\n", map->path); |
147 |
|
|
INVOKE_MAP (RESET, map); |
148 |
|
|
delete_map (map); |
149 |
|
|
return; |
150 |
|
|
} |
151 |
root |
1.14 |
|
152 |
root |
1.15 |
if (new_save_map (map, 0) == -1) |
153 |
|
|
{ |
154 |
|
|
LOG (llevError, "Failed to swap map %s.\n", map->path); |
155 |
|
|
/* need to reset the in_memory flag so that delete map will also |
156 |
|
|
* free the objects with it. |
157 |
|
|
*/ |
158 |
|
|
map->in_memory = MAP_IN_MEMORY; |
159 |
|
|
delete_map (map); |
160 |
|
|
} |
161 |
|
|
else |
162 |
|
|
{ |
163 |
|
|
INVOKE_MAP (SWAPOUT, map); |
164 |
|
|
free_map (map, 1); |
165 |
|
|
} |
166 |
root |
1.6 |
|
167 |
root |
1.15 |
write_map_log (); |
168 |
elmex |
1.1 |
} |
169 |
|
|
|
170 |
root |
1.6 |
void |
171 |
|
|
check_active_maps (void) |
172 |
|
|
{ |
173 |
root |
1.8 |
maptile *map, *next; |
174 |
elmex |
1.1 |
|
175 |
root |
1.6 |
for (map = first_map; map != NULL; map = next) |
176 |
|
|
{ |
177 |
|
|
next = map->next; |
178 |
|
|
if (map->in_memory != MAP_IN_MEMORY) |
179 |
|
|
continue; |
180 |
|
|
if (!map->timeout) |
181 |
|
|
continue; |
182 |
|
|
if (--(map->timeout) > 0) |
183 |
|
|
continue; |
184 |
|
|
/* If LWM is set, we only swap maps out when we run out of objects */ |
185 |
elmex |
1.1 |
#ifndef MAX_OBJECTS_LWM |
186 |
root |
1.6 |
swap_map (map); |
187 |
elmex |
1.1 |
#endif |
188 |
|
|
} |
189 |
|
|
} |
190 |
|
|
|
191 |
|
|
/* |
192 |
|
|
* map_least_timeout() returns the map with the lowest timeout variable (not 0) |
193 |
|
|
*/ |
194 |
root |
1.8 |
maptile * |
195 |
root |
1.6 |
map_least_timeout (char *except_level) |
196 |
|
|
{ |
197 |
root |
1.8 |
maptile *map, *chosen = NULL; |
198 |
elmex |
1.1 |
int timeout = MAP_MAXTIMEOUT + 1; |
199 |
root |
1.6 |
|
200 |
|
|
for (map = first_map; map != NULL; map = map->next) |
201 |
|
|
if (map->in_memory == MAP_IN_MEMORY && strcmp (map->path, except_level) && map->timeout && map->timeout < timeout) |
202 |
|
|
chosen = map, timeout = map->timeout; |
203 |
elmex |
1.1 |
return chosen; |
204 |
|
|
} |
205 |
|
|
|
206 |
|
|
/* |
207 |
|
|
* players_on_map(): will be replaced by map->players when I'm satisfied |
208 |
|
|
* that the variable is always correct. |
209 |
|
|
* If show_all is true, we show everyone. If not, we don't show hidden |
210 |
|
|
* players (dms) |
211 |
|
|
*/ |
212 |
root |
1.6 |
int |
213 |
root |
1.8 |
players_on_map (maptile *m, int show_all) |
214 |
root |
1.6 |
{ |
215 |
|
|
int nr = 0; |
216 |
|
|
|
217 |
root |
1.14 |
for_all_players (pl) |
218 |
root |
1.6 |
if (pl->ob != NULL && !QUERY_FLAG (pl->ob, FLAG_REMOVED) && pl->ob->map == m && (show_all || !pl->hidden)) |
219 |
elmex |
1.1 |
nr++; |
220 |
root |
1.14 |
|
221 |
elmex |
1.1 |
return nr; |
222 |
|
|
} |
223 |
|
|
|
224 |
|
|
/* |
225 |
|
|
* flush_old_maps(): |
226 |
|
|
* Removes tmp-files of maps which are going to be reset next time |
227 |
|
|
* they are visited. |
228 |
|
|
* This is very useful if the tmp-disk is very full. |
229 |
|
|
*/ |
230 |
root |
1.6 |
void |
231 |
|
|
flush_old_maps (void) |
232 |
|
|
{ |
233 |
root |
1.8 |
maptile *m, *oldmap; |
234 |
root |
1.9 |
uint32 sec = time (0); |
235 |
elmex |
1.1 |
|
236 |
root |
1.6 |
m = first_map; |
237 |
|
|
while (m) |
238 |
|
|
{ |
239 |
|
|
/* There can be cases (ie death) where a player leaves a map and the timeout |
240 |
|
|
* is not set so it isn't swapped out. |
241 |
|
|
*/ |
242 |
|
|
if ((m->in_memory == MAP_IN_MEMORY) && (m->timeout == 0) && !players_on_map (m, TRUE)) |
243 |
root |
1.9 |
set_map_timeout (m); |
244 |
root |
1.3 |
|
245 |
root |
1.6 |
/* per player unique maps are never really reset. However, we do want |
246 |
|
|
* to perdiocially remove the entries in the list of active maps - this |
247 |
|
|
* generates a cleaner listing if a player issues the map commands, and |
248 |
|
|
* keeping all those swapped out per player unique maps also has some |
249 |
|
|
* memory and cpu consumption. |
250 |
|
|
* We do the cleanup here because there are lots of places that call |
251 |
|
|
* swap map, and doing it within swap map may cause problems as |
252 |
|
|
* the functions calling it may not expect the map list to change |
253 |
|
|
* underneath them. |
254 |
|
|
*/ |
255 |
|
|
if ((m->unique || m->templatemap) && m->in_memory == MAP_SWAPPED) |
256 |
|
|
{ |
257 |
|
|
LOG (llevDebug, "Resetting map %s.\n", m->path); |
258 |
|
|
oldmap = m; |
259 |
|
|
m = m->next; |
260 |
|
|
delete_map (oldmap); |
261 |
root |
1.3 |
} |
262 |
root |
1.6 |
else if (m->in_memory != MAP_SWAPPED || m->tmpname == NULL || sec < m->reset_time) |
263 |
root |
1.17 |
m = m->next; |
264 |
root |
1.6 |
else |
265 |
|
|
{ |
266 |
|
|
LOG (llevDebug, "Resetting map %s.\n", m->path); |
267 |
|
|
INVOKE_MAP (RESET, m); |
268 |
|
|
clean_tmp_map (m); |
269 |
|
|
oldmap = m; |
270 |
|
|
m = m->next; |
271 |
|
|
delete_map (oldmap); |
272 |
root |
1.3 |
} |
273 |
elmex |
1.1 |
} |
274 |
|
|
} |