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/cvs/deliantra/server/server/hiscore.C
Revision: 1.25
Committed: Mon May 5 22:38:48 2008 UTC (16 years, 1 month ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.24: +2 -1 lines
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File Contents

# Content
1 /*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 *
8 * Deliantra is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 *
21 * The authors can be reached via e-mail to <support@deliantra.net>
22 */
23
24 #include <global.h>
25 #include <sproto.h>
26
27 /*
28 * The score structure is used when treating new high-scores
29 */
30 typedef struct scr
31 {
32 char name[64]; // name */
33 char title[64]; // Title */
34 char killer[64]; // name (+ title) or "quit" */
35 sint64 exp; // Experience */
36 char maplevel[128]; // Killed on what level */
37 int maxhp, maxsp, maxgrace; // Max hp, sp, grace when killed */
38 int position; // Position in the highscore list */
39 } score;
40
41 /*
42 * spool works mostly like strtok(char *, ":"), but it can also
43 * log a specified error message if something goes wrong.
44 */
45 char *
46 spool (char *bp, const char *error)
47 {
48 static char *prev_pos = NULL;
49 char *next_pos;
50
51 if (bp == NULL)
52 {
53 if (prev_pos == NULL)
54 {
55 LOG (llevError, "Called spool (%s) with NULL without previous call.\n", error);
56 return NULL;
57 }
58 bp = prev_pos;
59 }
60 if (*bp == '\0')
61 {
62 LOG (llevError, "spool: End of line at %s\n", error);
63 return NULL;
64 }
65 if ((next_pos = strchr (bp, ':')) != NULL)
66 {
67 *next_pos = '\0';
68 prev_pos = next_pos + 1;
69 }
70 else
71 prev_pos = NULL;
72 return bp;
73 }
74
75 /*
76 * Does what it says, copies the contents of the first score structure
77 * to the second one.
78 */
79 static void
80 copy_score (score *sc1, score *sc2)
81 {
82 assign (sc2->name , sc1->name);
83 assign (sc2->title , sc1->title);
84 assign (sc2->killer , sc1->killer);
85 assign (sc2->maplevel, sc1->maplevel);
86 sc2->exp = sc1->exp;
87 sc2->maxhp = sc1->maxhp;
88 sc2->maxsp = sc1->maxsp;
89 sc2->maxgrace = sc1->maxgrace;
90 }
91
92 /*
93 * Writes the given score structure to a static buffer, and returns
94 * a pointer to it.
95 */
96 static char *
97 put_score (score *sc)
98 {
99 static char buf[MAX_BUF];
100
101 sprintf (buf, "%s:%s:%" PRId64 ":%s:%s:%d:%d:%d",
102 sc->name, sc->title, (sint64)sc->exp, sc->killer,
103 sc->maplevel, sc->maxhp, sc->maxsp, sc->maxgrace);
104 return buf;
105 }
106
107 /*
108 * The oposite of put_score, get_score reads from the given buffer into
109 * a static score structure, and returns a pointer to it.
110 */
111
112 static score *
113 get_score (char *bp)
114 {
115 static score sc;
116 char *cp;
117
118 if ((cp = strchr (bp, '\n')) != NULL)
119 *cp = '\0';
120
121 if ((cp = spool (bp, "name")) == NULL)
122 return 0;
123
124 assign (sc.name, cp);
125
126 if ((cp = spool (0, "title")) == NULL)
127 return 0;
128
129 assign (sc.title, cp);
130
131 if ((cp = spool (0, "score")) == NULL)
132 return 0;
133
134 sscanf (cp, "%" SCNd64, &sc.exp);
135
136 if ((cp = spool (0, "killer")) == NULL)
137 return 0;
138
139 assign (sc.killer, cp);
140
141 if ((cp = spool (0, "map")) == NULL)
142 return 0;
143
144 assign (sc.maplevel, cp);
145
146 if ((cp = spool (0, "maxhp")) == NULL)
147 return 0;
148
149 sscanf (cp, "%d", &sc.maxhp);
150
151 if ((cp = spool (0, "maxsp")) == NULL)
152 return 0;
153
154 sscanf (cp, "%d", &sc.maxsp);
155
156 if ((cp = spool (0, "maxgrace")) == NULL)
157 return 0;
158
159 sscanf (cp, "%d", &sc.maxgrace);
160 return &sc;
161 }
162
163 static char *
164 draw_one_high_score (score *sc)
165 {
166 static char retbuf[MAX_BUF];
167
168 if (!strncmp (sc->killer, "quit", MAX_NAME))
169 sprintf (retbuf, "%3d %10lld %s the %s quit the game on map %s [%d][%d][%d].",
170 sc->position, (long long) sc->exp, sc->name, sc->title, sc->maplevel, sc->maxhp, sc->maxsp, sc->maxgrace);
171 else if (!strncmp (sc->killer, "leaving", MAX_NAME))
172 sprintf (retbuf, "%3d %10lld %s the %s left the game on map %s [%d][%d][%d].",
173 sc->position, (long long) sc->exp, sc->name, sc->title, sc->maplevel, sc->maxhp, sc->maxsp, sc->maxgrace);
174 else
175 sprintf (retbuf, "%3d %10lld %s the %s was killed by %s on map %s [%d][%d][%d].",
176 sc->position, (long long) sc->exp, sc->name, sc->title, sc->killer, sc->maplevel, sc->maxhp, sc->maxsp, sc->maxgrace);
177
178 return retbuf;
179 }
180
181 /*
182 * add_score() adds the given score-structure to the high-score list, but
183 * only if it was good enough to deserve a place.
184 */
185
186 static score *
187 add_score (score *new_score)
188 {
189 FILE *fp;
190 static score old_score;
191 score *tmp_score, pscore[HIGHSCORE_LENGTH];
192 char buf[MAX_BUF], filename[MAX_BUF], *bp;
193 int nrofscores = 0, flag = 0, i, comp;
194
195 new_score->position = HIGHSCORE_LENGTH + 1;
196 old_score.position = -1;
197 sprintf (filename, "%s/%s", settings.localdir, HIGHSCORE);
198 if ((fp = open_and_uncompress (filename, 1, &comp)) != NULL)
199 {
200 while (fgets (buf, MAX_BUF, fp) != NULL && nrofscores < HIGHSCORE_LENGTH)
201 {
202 if ((tmp_score = get_score (buf)) == NULL)
203 break;
204 if (!flag && new_score->exp >= tmp_score->exp)
205 {
206 copy_score (new_score, &pscore[nrofscores]);
207 new_score->position = nrofscores;
208 flag = 1;
209 if (++nrofscores >= HIGHSCORE_LENGTH)
210 break;
211 }
212 if (!strcmp (new_score->name, tmp_score->name))
213 { /* Another entry */
214 copy_score (tmp_score, &old_score);
215 old_score.position = nrofscores;
216 if (flag)
217 continue;
218 }
219 copy_score (tmp_score, &pscore[nrofscores++]);
220 }
221 close_and_delete (fp, comp);
222 }
223 if (old_score.position != -1 && old_score.exp >= new_score->exp)
224 return &old_score; /* Did not beat old score */
225 if (!flag && nrofscores < HIGHSCORE_LENGTH)
226 copy_score (new_score, &pscore[nrofscores++]);
227 if ((fp = fopen (filename, "w")) == NULL)
228 {
229 LOG (llevError, "Cannot write to highscore file %s: %s\n", filename, strerror (errno));
230 return NULL;
231 }
232 for (i = 0; i < nrofscores; i++)
233 {
234 bp = put_score (&pscore[i]);
235 fprintf (fp, "%s\n", bp);
236 }
237 fclose (fp);
238 if (flag)
239 {
240
241 /* Eneq(@csd.uu.se): Patch to fix error in adding a new score to the
242 hiscore-list */
243 if (old_score.position == -1)
244 return new_score;
245 return &old_score;
246 }
247 new_score->position = -1;
248 if (old_score.position != -1)
249 return &old_score;
250 if (nrofscores)
251 {
252 copy_score (&pscore[nrofscores - 1], &old_score);
253 return &old_score;
254 }
255 LOG (llevError, "Highscore error.\n");
256 return NULL;
257 }
258
259 void
260 check_score (object *op)
261 {
262 score new_score;
263 score *old_score;
264
265 if (op->stats.exp == 0)
266 return;
267
268 assign (new_score.name, op->name);
269 assign (new_score.title, op->title.length () ? &op->title : op->contr->title);
270 assign (new_score.killer, op->contr->killer_name ());
271 assign (new_score.maplevel, op->map ? op->map->name ? &op->map->name : &op->map->path : "");
272
273 new_score.exp = op->stats.exp;
274 new_score.maxhp = op->stats.maxhp;
275 new_score.maxsp = op->stats.maxsp;
276 new_score.maxgrace = op->stats.maxgrace;
277
278 if ((old_score = add_score (&new_score)) == NULL)
279 {
280 new_draw_info (NDI_UNIQUE, 0, op, "Error in the highscore list.");
281 return;
282 }
283
284 if (new_score.position == -1)
285 {
286 new_score.position = HIGHSCORE_LENGTH + 1; /* Not strictly correct... */
287 if (!strcmp (old_score->name, new_score.name))
288 new_draw_info (NDI_UNIQUE, 0, op, "You didn't beat your last highscore:");
289 else
290 new_draw_info (NDI_UNIQUE, 0, op, "You didn't enter the highscore list:");
291 new_draw_info (NDI_UNIQUE, 0, op, draw_one_high_score (old_score));
292 new_draw_info (NDI_UNIQUE, 0, op, draw_one_high_score (&new_score));
293 return;
294 }
295
296 if (old_score->exp >= new_score.exp)
297 new_draw_info (NDI_UNIQUE, 0, op, "You didn't beat your last score:");
298 else
299 new_draw_info (NDI_UNIQUE, 0, op, "You beat your last score:");
300
301 new_draw_info (NDI_UNIQUE, 0, op, draw_one_high_score (old_score));
302 new_draw_info (NDI_UNIQUE, 0, op, draw_one_high_score (&new_score));
303 }
304
305 /* displays the high score file. object is the calling object
306 * (null if being called via command line.) max is the maximum
307 * number of scores to display. match, if set, is the name or class
308 * to match to.
309 */
310
311 void
312 display_high_score (object *op, int max, const char *match)
313 {
314 const size_t maxchar = 80;
315 FILE *fp;
316 char buf[MAX_BUF], *scorebuf, *bp, *cp;
317 int i = 0, j = 0, comp;
318 score *sc;
319
320 sprintf (buf, "%s/%s", settings.localdir, HIGHSCORE);
321 if ((fp = open_and_uncompress (buf, 0, &comp)) == NULL)
322 {
323 LOG (llevError, "Cannot open highscore file %s: %s\n", buf, strerror (errno));
324 if (op != NULL)
325 new_draw_info (NDI_UNIQUE, 0, op, "There is no highscore file.");
326 return;
327 }
328
329 new_draw_info (NDI_UNIQUE, 0, op, "Nr Score Who [max hp][max sp][max grace]");
330
331 while (fgets (buf, MAX_BUF, fp) != NULL)
332 {
333 if (j >= HIGHSCORE_LENGTH || i >= (max - 1))
334 break;
335
336 if ((sc = get_score (buf)) == NULL)
337 break;
338
339 sc->position = ++j;
340 if (match == NULL)
341 {
342 scorebuf = draw_one_high_score (sc);
343 i++;
344 }
345 else
346 {
347 if (!strcasecmp (sc->name, match) || !strcasecmp (sc->title, match))
348 {
349 scorebuf = draw_one_high_score (sc);
350 i++;
351 }
352 else
353 continue;
354 }
355
356 /* Replaced what seemed to an overly complicated word wrap method
357 * still word wraps, but assumes at most 2 lines of data.
358 * mw - 2-12-97
359 */
360 assign (buf, scorebuf);
361
362 cp = buf;
363 while (strlen (cp) > maxchar)
364 {
365 bp = cp + maxchar - 1;
366 while (*bp != ' ' && bp > cp)
367 bp--;
368 *bp = '\0';
369
370 if (op == NULL)
371 LOG (llevDebug, "%s\n", cp);
372 else
373 new_draw_info (NDI_UNIQUE, 0, op, cp);
374
375 sprintf (buf, " %s", bp + 1);
376 cp = buf;
377 i++;
378 }
379
380 if (op == NULL)
381 LOG (llevDebug, "%s\n", buf);
382 else
383 new_draw_info (NDI_UNIQUE, 0, op, buf);
384 }
385
386 close_and_delete (fp, comp);
387 }
388