server/server/hiscore.C

/*
 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
 * 
 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
 * Copyright (©) 1992,2007 Frank Tore Johansen
 * 
 * Deliantra is free software: you can redistribute it and/or modify it under
 * the terms of the Affero GNU General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or (at your
 * option) any later version.
 * 
 * This program 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 Affero GNU General Public License
 * and the GNU General Public License along with this program. If not, see
 * <http://www.gnu.org/licenses/>.
 * 
 * The authors can be reached via e-mail to <support@deliantra.net>
 */

#include <global.h>
#include <sproto.h>

/*
 * The score structure is used when treating new high-scores
 */
typedef struct scr
{
  char name[64];                // name  */
  char title[64];               // Title */
  char killer[64];              // name (+ title) or "quit" */
  sint64 exp;                   // Experience */
  char maplevel[128];           // Killed on what level */
  int maxhp, maxsp, maxgrace;   // Max hp, sp, grace when killed */
  int position;                 // Position in the highscore list */
} score;

/*
 * spool works mostly like strtok(char *, ":"), but it can also
 * log a specified error message if something goes wrong.
 */
static char *
spool (char *bp, const char *error)
{
  static char *prev_pos = NULL;
  char *next_pos;

  if (bp == NULL)
    {
      if (prev_pos == NULL)
        {
          LOG (llevError, "Called spool (%s) with NULL without previous call.\n", error);
          return NULL;
        }
      bp = prev_pos;
    }
  if (*bp == '\0')
    {
      LOG (llevError, "spool: End of line at %s\n", error);
      return NULL;
    }
  if ((next_pos = strchr (bp, ':')) != NULL)
    {
      *next_pos = '\0';
      prev_pos = next_pos + 1;
    }
  else
    prev_pos = NULL;
  return bp;
}

/*
 * Does what it says, copies the contents of the first score structure
 * to the second one.
 */
static void
copy_score (score *sc1, score *sc2)
{
  assign (sc2->name    , sc1->name);
  assign (sc2->title   , sc1->title);
  assign (sc2->killer  , sc1->killer);
  assign (sc2->maplevel, sc1->maplevel);
  sc2->exp = sc1->exp;
  sc2->maxhp = sc1->maxhp;
  sc2->maxsp = sc1->maxsp;
  sc2->maxgrace = sc1->maxgrace;
}

/*
 * Writes the given score structure to a static buffer, and returns
 * a pointer to it.
 */
static char *
put_score (score *sc)
{
  static char buf[MAX_BUF];

  sprintf (buf, "%s:%s:%" PRId64 ":%s:%s:%d:%d:%d",
           sc->name, sc->title, (sint64)sc->exp, sc->killer,
           sc->maplevel, sc->maxhp, sc->maxsp, sc->maxgrace);
  return buf;
}

/*
 * The oposite of put_score, get_score reads from the given buffer into
 * a static score structure, and returns a pointer to it.
 */

static score *
get_score (char *bp)
{
  static score sc;
  char *cp;

  if ((cp = strchr (bp, '\n')) != NULL)
    *cp = '\0';

  if ((cp = spool (bp, "name")) == NULL)
    return 0;

  assign (sc.name, cp);

  if ((cp = spool (0, "title")) == NULL)
    return 0;

  assign (sc.title, cp);

  if ((cp = spool (0, "score")) == NULL)
    return 0;

  sscanf (cp, "%" SCNd64, &sc.exp);

  if ((cp = spool (0, "killer")) == NULL)
    return 0;

  assign (sc.killer, cp);

  if ((cp = spool (0, "map")) == NULL)
    return 0;

  assign (sc.maplevel, cp);

  if ((cp = spool (0, "maxhp")) == NULL)
    return 0;

  sscanf (cp, "%d", &sc.maxhp);

  if ((cp = spool (0, "maxsp")) == NULL)
    return 0;

  sscanf (cp, "%d", &sc.maxsp);

  if ((cp = spool (0, "maxgrace")) == NULL)
    return 0;

  sscanf (cp, "%d", &sc.maxgrace);
  return &sc;
}

static char *
draw_one_high_score (score *sc)
{
  static char retbuf[MAX_BUF];

  if (!strncmp (sc->killer, "quit", MAX_NAME))
    sprintf (retbuf, "%3d %10lld %s the %s quit the game on map %s [%d][%d][%d].",
             sc->position, (long long) sc->exp, sc->name, sc->title, sc->maplevel, sc->maxhp, sc->maxsp, sc->maxgrace);
  else if (!strncmp (sc->killer, "leaving", MAX_NAME))
    sprintf (retbuf, "%3d %10lld %s the %s left the game on map %s [%d][%d][%d].",
             sc->position, (long long) sc->exp, sc->name, sc->title, sc->maplevel, sc->maxhp, sc->maxsp, sc->maxgrace);
  else
    sprintf (retbuf, "%3d %10lld %s the %s was killed by %s on map %s [%d][%d][%d].",
             sc->position, (long long) sc->exp, sc->name, sc->title, sc->killer, sc->maplevel, sc->maxhp, sc->maxsp, sc->maxgrace);

  return retbuf;
}

/*
 * add_score() adds the given score-structure to the high-score list, but
 * only if it was good enough to deserve a place.
 */

static score *
add_score (score *new_score)
{
  FILE *fp;
  static score old_score;
  score *tmp_score, pscore[HIGHSCORE_LENGTH];
  char buf[MAX_BUF], filename[MAX_BUF], *bp;
  int nrofscores = 0, flag = 0, i, comp;

  new_score->position = HIGHSCORE_LENGTH + 1;
  old_score.position = -1;
  sprintf (filename, "%s/%s", settings.localdir, HIGHSCORE);
  if ((fp = open_and_uncompress (filename, 1, &comp)) != NULL)
    {
      while (fgets (buf, MAX_BUF, fp) != NULL && nrofscores < HIGHSCORE_LENGTH)
        {
          if ((tmp_score = get_score (buf)) == NULL)
            break;
          if (!flag && new_score->exp >= tmp_score->exp)
            {
              copy_score (new_score, &pscore[nrofscores]);
              new_score->position = nrofscores;
              flag = 1;
              if (++nrofscores >= HIGHSCORE_LENGTH)
                break;
            }
          if (!strcmp (new_score->name, tmp_score->name))
            {                   /* Another entry */
              copy_score (tmp_score, &old_score);
              old_score.position = nrofscores;
              if (flag)
                continue;
            }
          copy_score (tmp_score, &pscore[nrofscores++]);
        }
      close_and_delete (fp, comp);
    }
  if (old_score.position != -1 && old_score.exp >= new_score->exp)
    return &old_score;          /* Did not beat old score */
  if (!flag && nrofscores < HIGHSCORE_LENGTH)
    copy_score (new_score, &pscore[nrofscores++]);
  if ((fp = fopen (filename, "w")) == NULL)
    {
      LOG (llevError, "Cannot write to highscore file %s: %s\n", filename, strerror (errno));
      return NULL;
    }
  for (i = 0; i < nrofscores; i++)
    {
      bp = put_score (&pscore[i]);
      fprintf (fp, "%s\n", bp);
    }
  fclose (fp);
  if (flag)
    {

/* Eneq(@csd.uu.se): Patch to fix error in adding a new score to the
   hiscore-list */
      if (old_score.position == -1)
        return new_score;
      return &old_score;
    }
  new_score->position = -1;
  if (old_score.position != -1)
    return &old_score;
  if (nrofscores)
    {
      copy_score (&pscore[nrofscores - 1], &old_score);
      return &old_score;
    }
  LOG (llevError, "Highscore error.\n");
  return NULL;
}

void
check_score (object *op)
{
  score new_score;
  score *old_score;

  if (op->stats.exp == 0)
    return;

  assign (new_score.name, op->name);
  assign (new_score.title, op->title.length () ? &op->title : op->contr->title);
  assign (new_score.killer, op->contr->killer_name ());
  assign (new_score.maplevel, op->map ? op->map->name ? &op->map->name : &op->map->path : "");

  new_score.exp      = op->stats.exp;
  new_score.maxhp    = op->stats.maxhp;
  new_score.maxsp    = op->stats.maxsp;
  new_score.maxgrace = op->stats.maxgrace;

  if ((old_score = add_score (&new_score)) == NULL)
    {
      new_draw_info (NDI_UNIQUE, 0, op, "Error in the highscore list.");
      return;
    }

  if (new_score.position == -1)
    {
      new_score.position = HIGHSCORE_LENGTH + 1;        /* Not strictly correct... */
      if (!strcmp (old_score->name, new_score.name))
        new_draw_info (NDI_UNIQUE, 0, op, "You didn't beat your last highscore:");
      else
        new_draw_info (NDI_UNIQUE, 0, op, "You didn't enter the highscore list:");
      new_draw_info (NDI_UNIQUE, 0, op, draw_one_high_score (old_score));
      new_draw_info (NDI_UNIQUE, 0, op, draw_one_high_score (&new_score));
      return;
    }

  if (old_score->exp >= new_score.exp)
    new_draw_info (NDI_UNIQUE, 0, op, "You didn't beat your last score:");
  else
    new_draw_info (NDI_UNIQUE, 0, op, "You beat your last score:");

  new_draw_info (NDI_UNIQUE, 0, op, draw_one_high_score (old_score));
  new_draw_info (NDI_UNIQUE, 0, op, draw_one_high_score (&new_score));
}

Revision:	1.30
Committed:	Fri Nov 6 13:31:47 2009 UTC (14 years, 6 months ago) by root
Content type:	text/plain
Branch:	MAIN
CVS Tags:	rel-2_90, rel-2_92
Changes since 1.29:	+0 -83 lines
Log Message:	remove or document dead code
#	User	Rev	Content
1	elmex	1.1	/*
2	root	1.23	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	pippijn	1.18	*
4	root	1.26	* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	root	1.20	* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6			* Copyright (©) 1992,2007 Frank Tore Johansen
7	pippijn	1.18	*
8	root	1.27	* Deliantra is free software: you can redistribute it and/or modify it under
9			* the terms of the Affero GNU General Public License as published by the
10			* Free Software Foundation, either version 3 of the License, or (at your
11			* option) any later version.
12	pippijn	1.18	*
13	root	1.22	* 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	pippijn	1.18	*
18	root	1.27	* You should have received a copy of the Affero GNU General Public License
19			* and the GNU General Public License along with this program. If not, see
20			* <http://www.gnu.org/licenses/>.
21	root	1.20	*
22	root	1.23	* The authors can be reached via e-mail to <support@deliantra.net>
23	pippijn	1.18	*/
24	elmex	1.1
25			#include <global.h>
26	root	1.14	#include <sproto.h>
27	elmex	1.1
28			/*
29			* The score structure is used when treating new high-scores
30			*/
31	root	1.5	typedef struct scr
32			{
33	root	1.9	char name[64]; // name */
34			char title[64]; // Title */
35			char killer[64]; // name (+ title) or "quit" */
36			sint64 exp; // Experience */
37			char maplevel[128]; // Killed on what level */
38			int maxhp, maxsp, maxgrace; // Max hp, sp, grace when killed */
39			int position; // Position in the highscore list */
40	elmex	1.1	} score;
41
42			/*
43			* spool works mostly like strtok(char *, ":"), but it can also
44			* log a specified error message if something goes wrong.
45			*/
46	root	1.29	static char *
47	root	1.19	spool (char bp, const char error)
48	root	1.5	{
49	elmex	1.1	static char *prev_pos = NULL;
50			char *next_pos;
51	root	1.5
52			if (bp == NULL)
53			{
54			if (prev_pos == NULL)
55			{
56			LOG (llevError, "Called spool (%s) with NULL without previous call.\n", error);
57			return NULL;
58			}
59			bp = prev_pos;
60			}
61			if (*bp == '\0')
62			{
63			LOG (llevError, "spool: End of line at %s\n", error);
64	elmex	1.1	return NULL;
65			}
66	root	1.5	if ((next_pos = strchr (bp, ':')) != NULL)
67			{
68			*next_pos = '\0';
69			prev_pos = next_pos + 1;
70			}
71			else
72	elmex	1.1	prev_pos = NULL;
73			return bp;
74			}
75
76			/*
77			* Does what it says, copies the contents of the first score structure
78			* to the second one.
79			*/
80	root	1.5	static void
81	root	1.6	copy_score (score sc1, score sc2)
82	root	1.5	{
83	root	1.7	assign (sc2->name , sc1->name);
84			assign (sc2->title , sc1->title);
85			assign (sc2->killer , sc1->killer);
86			assign (sc2->maplevel, sc1->maplevel);
87	root	1.5	sc2->exp = sc1->exp;
88			sc2->maxhp = sc1->maxhp;
89			sc2->maxsp = sc1->maxsp;
90			sc2->maxgrace = sc1->maxgrace;
91	elmex	1.1	}
92
93			/*
94			* Writes the given score structure to a static buffer, and returns
95			* a pointer to it.
96			*/
97	root	1.5	static char *
98	root	1.6	put_score (score *sc)
99	root	1.5	{
100	elmex	1.1	static char buf[MAX_BUF];
101	root	1.5
102	root	1.12	sprintf (buf, "%s:%s:%" PRId64 ":%s:%s:%d:%d:%d",
103			sc->name, sc->title, (sint64)sc->exp, sc->killer,
104			sc->maplevel, sc->maxhp, sc->maxsp, sc->maxgrace);
105	elmex	1.1	return buf;
106			}
107
108			/*
109			* The oposite of put_score, get_score reads from the given buffer into
110			* a static score structure, and returns a pointer to it.
111			*/
112
113	root	1.5	static score *
114			get_score (char *bp)
115			{
116	elmex	1.1	static score sc;
117			char *cp;
118
119	root	1.5	if ((cp = strchr (bp, '\n')) != NULL)
120			*cp = '\0';
121	elmex	1.1
122	root	1.5	if ((cp = spool (bp, "name")) == NULL)
123	root	1.7	return 0;
124
125			assign (sc.name, cp);
126
127			if ((cp = spool (0, "title")) == NULL)
128			return 0;
129
130			assign (sc.title, cp);
131
132			if ((cp = spool (0, "score")) == NULL)
133			return 0;
134	elmex	1.1
135	root	1.12	sscanf (cp, "%" SCNd64, &sc.exp);
136	root	1.5
137	root	1.7	if ((cp = spool (0, "killer")) == NULL)
138			return 0;
139
140			assign (sc.killer, cp);
141
142			if ((cp = spool (0, "map")) == NULL)
143			return 0;
144
145			assign (sc.maplevel, cp);
146
147			if ((cp = spool (0, "maxhp")) == NULL)
148			return 0;
149	elmex	1.1
150	root	1.5	sscanf (cp, "%d", &sc.maxhp);
151	elmex	1.1
152	root	1.7	if ((cp = spool (0, "maxsp")) == NULL)
153			return 0;
154
155	root	1.5	sscanf (cp, "%d", &sc.maxsp);
156	elmex	1.1
157	root	1.7	if ((cp = spool (0, "maxgrace")) == NULL)
158			return 0;
159
160	root	1.5	sscanf (cp, "%d", &sc.maxgrace);
161	elmex	1.1	return &sc;
162			}
163
164	root	1.5	static char *
165	root	1.6	draw_one_high_score (score *sc)
166	root	1.5	{
167			static char retbuf[MAX_BUF];
168
169			if (!strncmp (sc->killer, "quit", MAX_NAME))
170			sprintf (retbuf, "%3d %10lld %s the %s quit the game on map %s [%d][%d][%d].",
171			sc->position, (long long) sc->exp, sc->name, sc->title, sc->maplevel, sc->maxhp, sc->maxsp, sc->maxgrace);
172	root	1.25	else if (!strncmp (sc->killer, "leaving", MAX_NAME))
173	root	1.5	sprintf (retbuf, "%3d %10lld %s the %s left the game on map %s [%d][%d][%d].",
174			sc->position, (long long) sc->exp, sc->name, sc->title, sc->maplevel, sc->maxhp, sc->maxsp, sc->maxgrace);
175			else
176			sprintf (retbuf, "%3d %10lld %s the %s was killed by %s on map %s [%d][%d][%d].",
177			sc->position, (long long) sc->exp, sc->name, sc->title, sc->killer, sc->maplevel, sc->maxhp, sc->maxsp, sc->maxgrace);
178	root	1.25
179	root	1.5	return retbuf;
180			}
181	elmex	1.1
182			/*
183			* add_score() adds the given score-structure to the high-score list, but
184			* only if it was good enough to deserve a place.
185			*/
186
187	root	1.5	static score *
188	root	1.6	add_score (score *new_score)
189	root	1.5	{
190	elmex	1.1	FILE *fp;
191			static score old_score;
192	root	1.5	score *tmp_score, pscore[HIGHSCORE_LENGTH];
193	elmex	1.1	char buf[MAX_BUF], filename[MAX_BUF], *bp;
194	root	1.5	int nrofscores = 0, flag = 0, i, comp;
195
196			new_score->position = HIGHSCORE_LENGTH + 1;
197			old_score.position = -1;
198			sprintf (filename, "%s/%s", settings.localdir, HIGHSCORE);
199			if ((fp = open_and_uncompress (filename, 1, &comp)) != NULL)
200			{
201			while (fgets (buf, MAX_BUF, fp) != NULL && nrofscores < HIGHSCORE_LENGTH)
202			{
203			if ((tmp_score = get_score (buf)) == NULL)
204			break;
205			if (!flag && new_score->exp >= tmp_score->exp)
206			{
207			copy_score (new_score, &pscore[nrofscores]);
208			new_score->position = nrofscores;
209			flag = 1;
210			if (++nrofscores >= HIGHSCORE_LENGTH)
211			break;
212			}
213			if (!strcmp (new_score->name, tmp_score->name))
214			{ /* Another entry */
215			copy_score (tmp_score, &old_score);
216			old_score.position = nrofscores;
217			if (flag)
218			continue;
219			}
220			copy_score (tmp_score, &pscore[nrofscores++]);
221			}
222			close_and_delete (fp, comp);
223			}
224			if (old_score.position != -1 && old_score.exp >= new_score->exp)
225			return &old_score; /* Did not beat old score */
226			if (!flag && nrofscores < HIGHSCORE_LENGTH)
227			copy_score (new_score, &pscore[nrofscores++]);
228			if ((fp = fopen (filename, "w")) == NULL)
229			{
230			LOG (llevError, "Cannot write to highscore file %s: %s\n", filename, strerror (errno));
231			return NULL;
232			}
233			for (i = 0; i < nrofscores; i++)
234			{
235			bp = put_score (&pscore[i]);
236			fprintf (fp, "%s\n", bp);
237			}
238			fclose (fp);
239			if (flag)
240			{
241
242	elmex	1.1	/* Eneq(@csd.uu.se): Patch to fix error in adding a new score to the
243			hiscore-list */
244	root	1.5	if (old_score.position == -1)
245			return new_score;
246			return &old_score;
247			}
248			new_score->position = -1;
249			if (old_score.position != -1)
250	elmex	1.1	return &old_score;
251	root	1.5	if (nrofscores)
252			{
253			copy_score (&pscore[nrofscores - 1], &old_score);
254			return &old_score;
255			}
256			LOG (llevError, "Highscore error.\n");
257	elmex	1.1	return NULL;
258			}
259
260	root	1.5	void
261			check_score (object *op)
262			{
263			score new_score;
264			score *old_score;
265
266			if (op->stats.exp == 0)
267			return;
268
269	root	1.7	assign (new_score.name, op->name);
270			assign (new_score.title, op->title.length () ? &op->title : op->contr->title);
271	root	1.24	assign (new_score.killer, op->contr->killer_name ());
272	root	1.15	assign (new_score.maplevel, op->map ? op->map->name ? &op->map->name : &op->map->path : "");
273	root	1.7
274			new_score.exp = op->stats.exp;
275			new_score.maxhp = op->stats.maxhp;
276			new_score.maxsp = op->stats.maxsp;
277			new_score.maxgrace = op->stats.maxgrace;
278
279	root	1.5	if ((old_score = add_score (&new_score)) == NULL)
280			{
281			new_draw_info (NDI_UNIQUE, 0, op, "Error in the highscore list.");
282			return;
283			}
284	root	1.7
285	root	1.5	if (new_score.position == -1)
286			{
287			new_score.position = HIGHSCORE_LENGTH + 1; /* Not strictly correct... */
288			if (!strcmp (old_score->name, new_score.name))
289			new_draw_info (NDI_UNIQUE, 0, op, "You didn't beat your last highscore:");
290			else
291			new_draw_info (NDI_UNIQUE, 0, op, "You didn't enter the highscore list:");
292			new_draw_info (NDI_UNIQUE, 0, op, draw_one_high_score (old_score));
293			new_draw_info (NDI_UNIQUE, 0, op, draw_one_high_score (&new_score));
294			return;
295			}
296	root	1.7
297	root	1.5	if (old_score->exp >= new_score.exp)
298			new_draw_info (NDI_UNIQUE, 0, op, "You didn't beat your last score:");
299			else
300			new_draw_info (NDI_UNIQUE, 0, op, "You beat your last score:");
301	elmex	1.1
302	root	1.5	new_draw_info (NDI_UNIQUE, 0, op, draw_one_high_score (old_score));
303			new_draw_info (NDI_UNIQUE, 0, op, draw_one_high_score (&new_score));
304	elmex	1.1	}
305