server/common/exp.C


/*
 * static char *rcsid_arch_c =
 *   "$Id: exp.C,v 1.4 2006-09-03 00:18:39 root Exp $";
 */

/*
    CrossFire, A Multiplayer game for X-windows

    Copyright (C) 2002 Mark Wedel & Crossfire Development Team
    Copyright (C) 1992 Frank Tore Johansen

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 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 GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

    The authors can be reached via e-mail at crossfire-devel@real-time.com
*/

#include <stdio.h>
#include <global.h>

sint64 *levels;

float exp_att_mult[NROFATTACKS + 2] = {
  0.0,                          /* AT_PHYSICAL  */
  0.0,                          /* AT_MAGIC     */
  0.0,                          /* AT_FIRE      */
  0.0,                          /* AT_ELECTRICITY */
  0.0,                          /* AT_COLD      */
  0.0,                          /* AT_WATER     *//*AT_CONFUSION! */
  0.4,                          /* AT_ACID      */
  1.5,                          /* AT_DRAIN     */
  0.0,                          /* AT_WEAPONMAGIC */
  0.1,                          /* AT_GHOSTHIT  */
  0.3,                          /* AT_POISON    */
  0.2,                          /* AT_DISEASE   */
  0.3,                          /* AT_PARALYZE  */
  0.0,                          /* AT_TURN_UNDEAD */
  0.0,                          /* AT_FEAR      */
  0.0,                          /* AT_CANCELLATION */
  0.0,                          /* AT_DEPLETE */
  0.0,                          /* AT_DEATH */
  0.0,                          /* AT_CHAOS */
  0.0                           /* AT_COUNTERSPELL */
};

float exp_prot_mult[NROFATTACKS + 2] = {
  0.4,                          /* AT_PHYSICAL  */
  0.5,                          /* AT_MAGIC     */
  0.1,                          /* AT_FIRE      */
  0.1,                          /* AT_ELECTRICITY */
  0.1,                          /* AT_COLD      */
  0.1,                          /* AT_WATER     */
  0.1,                          /* AT_ACID      */
  0.1,                          /* AT_DRAIN     */
  0.1,                          /* AT_WEAPONMAGIC */
  0.1,                          /* AT_GHOSTHIT  */
  0.1,                          /* AT_POISON    */
  0.1,                          /* AT_DISEASE   */
  0.1,                          /* AT_PARALYZE  */
  0.1,                          /* AT_TURN_UNDEAD */
  0.1,                          /* AT_FEAR      */
  0.0,                          /* AT_CANCELLATION */
  0.0,                          /* AT_DEPLETE */
  0.0,                          /* AT_DEATH */
  0.0,                          /* AT_CHAOS */
  0.0                           /* AT_COUNTERSPELL */
};

/*
 * new_exp() is an alternative way to calculate experience based
 * on the ability of a monster.
 * It's far from perfect, and doesn't consider everything which
 * can be considered, thus it's only used in debugging.
 * this is only used with one of the dumpflags,
 * and not anyplace in the code.
 */

int
new_exp (const object *ob)
{
  double att_mult, prot_mult, spec_mult;
  double exp;
  int i;
  long mask = 1;

  att_mult = prot_mult = spec_mult = 1.0;
  for (i = 0; i < NROFATTACKS; i++)
    {
      mask = 1 << i;
      att_mult += (exp_att_mult[i] * ((ob->attacktype & mask) != 0));
      /* We multiply & then divide to prevent roundoffs on the floats.
       * the doubling is to take into account the table and resistances
       * are lower than they once were.
       */
      prot_mult += (exp_prot_mult[i] * 200 * ob->resist[i]) / 100.0;
    }
  spec_mult += (0.3 * (QUERY_FLAG (ob, FLAG_SEE_INVISIBLE) != 0)) +
    (0.5 * (QUERY_FLAG (ob, FLAG_SPLITTING) != 0)) +
    (0.3 * (QUERY_FLAG (ob, FLAG_HITBACK) != 0)) +
    (0.1 * (QUERY_FLAG (ob, FLAG_REFL_MISSILE) != 0)) +
    (0.3 * (QUERY_FLAG (ob, FLAG_REFL_SPELL) != 0)) +
    (1.0 * (QUERY_FLAG (ob, FLAG_NO_MAGIC) != 0)) +
    (0.1 * (QUERY_FLAG (ob, FLAG_PICK_UP) != 0)) +
    (0.1 * (QUERY_FLAG (ob, FLAG_USE_SCROLL) != 0)) +
    (0.2 * (QUERY_FLAG (ob, FLAG_USE_RANGE) != 0)) + (0.1 * (QUERY_FLAG (ob, FLAG_USE_BOW) != 0));

  exp = (ob->stats.maxhp < 5) ? 5 : ob->stats.maxhp;
  exp *= (QUERY_FLAG (ob, FLAG_CAST_SPELL) && has_ability (ob)) ? (40 + (ob->stats.maxsp > 80 ? 80 : ob->stats.maxsp)) / 40 : 1;
  exp *= (80.0 / (70.0 + ob->stats.wc)) * (80.0 / (70.0 + ob->stats.ac)) * (50.0 + ob->stats.dam) / 50.0;
  exp *= att_mult * prot_mult * spec_mult;
  exp *= 2.0 / (2.0 - ((FABS (ob->speed) < 0.95) ? FABS (ob->speed) : 0.95));
  exp *= (20.0 + ob->stats.Con) / 20.0;
  if (QUERY_FLAG (ob, FLAG_STAND_STILL))
    exp /= 2;

  return (int) exp;
}

/*
 * Returns true if the monster specified has any innate abilities.
 */

int
has_ability (const object *ob)
{
  object *tmp;

  for (tmp = ob->inv; tmp != NULL; tmp = tmp->below)
    if (tmp->type == SPELL || tmp->type == SPELLBOOK)
      return true;
  return false;
}

/* This loads the experience table from the exp_table
 * file.  This tends to exit on any errors, since it
 * populates the table as it goes along, so if there
 * are errors, the table is likely in an inconsistent
 * state.
 */
void
init_experience (void)
{
  char buf[MAX_BUF], *cp;
  int lastlevel = 0, comp;
  sint64 lastexp = -1, tmpexp;
  FILE *fp;


  sprintf (buf, "%s/exp_table", settings.confdir);

  if ((fp = open_and_uncompress (buf, 0, &comp)) == NULL)
    {
      return;
    }
  while (fgets (buf, MAX_BUF - 1, fp) != NULL)
    {
      if (buf[0] == '#')
        continue;

      /* eliminate newline */
      if ((cp = strrchr (buf, '\n')) != NULL)
        *cp = '\0';

      /* Skip over empty lines */
      if (buf[0] == 0)
        continue;
      cp = buf;
      while (isspace (*cp) && *cp != 0)
        cp++;
      if (!strncasecmp (cp, "max_level", 9))
        {
          if (settings.max_level)
            {
              LOG (llevDebug, "Got more than one max_level value from exp_table file?\n");
              free (levels);
            }
          settings.max_level = atoi (cp + 9);
          if (!settings.max_level)
            {
              LOG (llevDebug, "Got invalid max_level from exp_table file? %s\n", buf);
            }
          else
            {
              levels = (sint64 *) calloc (settings.max_level + 1, sizeof (sint64));
            }
        }
      while (isdigit (*cp) && *cp != 0)
        {
          if (!settings.max_level)
            {
              LOG (llevError, "max_level is not set in exp_table file.  Did you remember to update it?\n");
              exit (1);
            }

          tmpexp = atoll (cp);
          /* Do some sanity checking - if value is bogus, just exit because
           * the table otherwise is probably in an inconsistent state
           */
          if (tmpexp <= lastexp)
            {
#ifndef WIN32
              LOG (llevError, "Experience for level %d is lower than previous level (%lld <= %lld)\n", lastlevel + 1, tmpexp, lastexp);
#else
              LOG (llevError, "Experience for level %d is lower than previous level (%I64d <= %I64d)\n", lastlevel + 1, tmpexp, lastexp);
#endif
              exit (1);
            }
          lastlevel++;
          if (lastlevel > settings.max_level)
            {
              LOG (llevError, "Too many levels specified in table (%d > %d)\n", lastlevel, settings.max_level);
              exit (1);
            }
          levels[lastlevel] = tmpexp;
          lastexp = tmpexp;
          /* First, skip over the number we just processed. Then skip over
           * any spaces, commas, etc.
           */
          while (isdigit (*cp) && *cp != 0)
            cp++;
          while (!isdigit (*cp) && *cp != 0)
            cp++;
        }
    }
  close_and_delete (fp, comp);
  if (lastlevel != settings.max_level && lastlevel != 0)
    {
      LOG (llevError, "Warning: exp_table does not have %d entries (%d)\n", settings.max_level, lastlevel);
      exit (1);
    }
}

/* Dump the table - useful in terms of debugging to make sure the
 * format of the exp_table is correct.
 */

void
dump_experience ()
{
  int i;

  for (i = 1; i <= settings.max_level; i++)
    {
      fprintf (logfile, "%4d %20lld\n", i, (long long) levels[i]);
    }
  exit (0);
}
Revision:	1.5
Committed:	Sun Sep 10 16:00:23 2006 UTC (17 years, 8 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.4:	+171 -151 lines
Log Message:	indent
#	User	Rev	Content
1	root	1.5
2	elmex	1.1	/*
3			* static char *rcsid_arch_c =
4	root	1.5	* "$Id: exp.C,v 1.4 2006-09-03 00:18:39 root Exp $";
5	elmex	1.1	*/
6
7			/*
8			CrossFire, A Multiplayer game for X-windows
9
10			Copyright (C) 2002 Mark Wedel & Crossfire Development Team
11			Copyright (C) 1992 Frank Tore Johansen
12
13			This program is free software; you can redistribute it and/or modify
14			it under the terms of the GNU General Public License as published by
15			the Free Software Foundation; either version 2 of the License, or
16			(at your option) any later version.
17
18			This program is distributed in the hope that it will be useful,
19			but WITHOUT ANY WARRANTY; without even the implied warranty of
20			MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21			GNU General Public License for more details.
22
23			You should have received a copy of the GNU General Public License
24			along with this program; if not, write to the Free Software
25			Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26
27			The authors can be reached via e-mail at crossfire-devel@real-time.com
28			*/
29
30			#include <stdio.h>
31			#include <global.h>
32
33			sint64 *levels;
34
35	root	1.5	float exp_att_mult[NROFATTACKS + 2] = {
36			0.0, /* AT_PHYSICAL */
37			0.0, /* AT_MAGIC */
38			0.0, /* AT_FIRE */
39			0.0, /* AT_ELECTRICITY */
40			0.0, /* AT_COLD */
41			0.0, /* AT_WATER //AT_CONFUSION! */
42			0.4, /* AT_ACID */
43			1.5, /* AT_DRAIN */
44			0.0, /* AT_WEAPONMAGIC */
45			0.1, /* AT_GHOSTHIT */
46			0.3, /* AT_POISON */
47			0.2, /* AT_DISEASE */
48			0.3, /* AT_PARALYZE */
49			0.0, /* AT_TURN_UNDEAD */
50			0.0, /* AT_FEAR */
51			0.0, /* AT_CANCELLATION */
52			0.0, /* AT_DEPLETE */
53			0.0, /* AT_DEATH */
54			0.0, /* AT_CHAOS */
55			0.0 /* AT_COUNTERSPELL */
56	elmex	1.1	};
57
58	root	1.5	float exp_prot_mult[NROFATTACKS + 2] = {
59			0.4, /* AT_PHYSICAL */
60			0.5, /* AT_MAGIC */
61			0.1, /* AT_FIRE */
62			0.1, /* AT_ELECTRICITY */
63			0.1, /* AT_COLD */
64			0.1, /* AT_WATER */
65			0.1, /* AT_ACID */
66			0.1, /* AT_DRAIN */
67			0.1, /* AT_WEAPONMAGIC */
68			0.1, /* AT_GHOSTHIT */
69			0.1, /* AT_POISON */
70			0.1, /* AT_DISEASE */
71			0.1, /* AT_PARALYZE */
72			0.1, /* AT_TURN_UNDEAD */
73			0.1, /* AT_FEAR */
74			0.0, /* AT_CANCELLATION */
75			0.0, /* AT_DEPLETE */
76			0.0, /* AT_DEATH */
77			0.0, /* AT_CHAOS */
78			0.0 /* AT_COUNTERSPELL */
79	elmex	1.1	};
80
81			/*
82			* new_exp() is an alternative way to calculate experience based
83			* on the ability of a monster.
84			* It's far from perfect, and doesn't consider everything which
85			* can be considered, thus it's only used in debugging.
86			* this is only used with one of the dumpflags,
87			* and not anyplace in the code.
88			*/
89	root	1.5
90			int
91			new_exp (const object *ob)
92			{
93			double att_mult, prot_mult, spec_mult;
94			double exp;
95			int i;
96			long mask = 1;
97
98			att_mult = prot_mult = spec_mult = 1.0;
99			for (i = 0; i < NROFATTACKS; i++)
100			{
101			mask = 1 << i;
102			att_mult += (exp_att_mult[i] * ((ob->attacktype & mask) != 0));
103			/* We multiply & then divide to prevent roundoffs on the floats.
104			* the doubling is to take into account the table and resistances
105			* are lower than they once were.
106			*/
107			prot_mult += (exp_prot_mult[i] * 200 * ob->resist[i]) / 100.0;
108			}
109			spec_mult += (0.3 * (QUERY_FLAG (ob, FLAG_SEE_INVISIBLE) != 0)) +
110			(0.5 * (QUERY_FLAG (ob, FLAG_SPLITTING) != 0)) +
111			(0.3 * (QUERY_FLAG (ob, FLAG_HITBACK) != 0)) +
112			(0.1 * (QUERY_FLAG (ob, FLAG_REFL_MISSILE) != 0)) +
113			(0.3 * (QUERY_FLAG (ob, FLAG_REFL_SPELL) != 0)) +
114			(1.0 * (QUERY_FLAG (ob, FLAG_NO_MAGIC) != 0)) +
115			(0.1 * (QUERY_FLAG (ob, FLAG_PICK_UP) != 0)) +
116			(0.1 * (QUERY_FLAG (ob, FLAG_USE_SCROLL) != 0)) +
117			(0.2 * (QUERY_FLAG (ob, FLAG_USE_RANGE) != 0)) + (0.1 * (QUERY_FLAG (ob, FLAG_USE_BOW) != 0));
118
119			exp = (ob->stats.maxhp < 5) ? 5 : ob->stats.maxhp;
120			exp *= (QUERY_FLAG (ob, FLAG_CAST_SPELL) && has_ability (ob)) ? (40 + (ob->stats.maxsp > 80 ? 80 : ob->stats.maxsp)) / 40 : 1;
121			exp = (80.0 / (70.0 + ob->stats.wc)) (80.0 / (70.0 + ob->stats.ac)) * (50.0 + ob->stats.dam) / 50.0;
122	elmex	1.1	exp = att_mult prot_mult * spec_mult;
123	root	1.5	exp *= 2.0 / (2.0 - ((FABS (ob->speed) < 0.95) ? FABS (ob->speed) : 0.95));
124			exp *= (20.0 + ob->stats.Con) / 20.0;
125			if (QUERY_FLAG (ob, FLAG_STAND_STILL))
126	elmex	1.1	exp /= 2;
127
128			return (int) exp;
129			}
130
131			/*
132			* Returns true if the monster specified has any innate abilities.
133			*/
134
135	root	1.5	int
136			has_ability (const object *ob)
137			{
138			object *tmp;
139	elmex	1.1
140	root	1.5	for (tmp = ob->inv; tmp != NULL; tmp = tmp->below)
141			if (tmp->type == SPELL \|\| tmp->type == SPELLBOOK)
142			return true;
143			return false;
144	elmex	1.1	}
145
146			/* This loads the experience table from the exp_table
147			* file. This tends to exit on any errors, since it
148			* populates the table as it goes along, so if there
149			* are errors, the table is likely in an inconsistent
150			* state.
151			*/
152	root	1.5	void
153			init_experience (void)
154	elmex	1.1	{
155	root	1.5	char buf[MAX_BUF], *cp;
156			int lastlevel = 0, comp;
157			sint64 lastexp = -1, tmpexp;
158			FILE *fp;
159	elmex	1.1
160
161	root	1.5	sprintf (buf, "%s/exp_table", settings.confdir);
162
163			if ((fp = open_and_uncompress (buf, 0, &comp)) == NULL)
164			{
165			return;
166	elmex	1.1	}
167	root	1.5	while (fgets (buf, MAX_BUF - 1, fp) != NULL)
168			{
169			if (buf[0] == '#')
170			continue;
171
172			/* eliminate newline */
173			if ((cp = strrchr (buf, '\n')) != NULL)
174			*cp = '\0';
175
176			/* Skip over empty lines */
177			if (buf[0] == 0)
178			continue;
179			cp = buf;
180			while (isspace (cp) && cp != 0)
181			cp++;
182			if (!strncasecmp (cp, "max_level", 9))
183			{
184			if (settings.max_level)
185			{
186			LOG (llevDebug, "Got more than one max_level value from exp_table file?\n");
187			free (levels);
188			}
189			settings.max_level = atoi (cp + 9);
190			if (!settings.max_level)
191			{
192			LOG (llevDebug, "Got invalid max_level from exp_table file? %s\n", buf);
193			}
194			else
195			{
196			levels = (sint64 *) calloc (settings.max_level + 1, sizeof (sint64));
197	root	1.2	}
198			}
199	root	1.5	while (isdigit (cp) && cp != 0)
200			{
201			if (!settings.max_level)
202			{
203			LOG (llevError, "max_level is not set in exp_table file. Did you remember to update it?\n");
204			exit (1);
205	root	1.2	}
206
207	root	1.5	tmpexp = atoll (cp);
208			/* Do some sanity checking - if value is bogus, just exit because
209			* the table otherwise is probably in an inconsistent state
210			*/
211			if (tmpexp <= lastexp)
212			{
213	elmex	1.1	#ifndef WIN32
214	root	1.5	LOG (llevError, "Experience for level %d is lower than previous level (%lld <= %lld)\n", lastlevel + 1, tmpexp, lastexp);
215	elmex	1.1	#else
216	root	1.5	LOG (llevError, "Experience for level %d is lower than previous level (%I64d <= %I64d)\n", lastlevel + 1, tmpexp, lastexp);
217	elmex	1.1	#endif
218	root	1.5	exit (1);
219			}
220			lastlevel++;
221			if (lastlevel > settings.max_level)
222			{
223			LOG (llevError, "Too many levels specified in table (%d > %d)\n", lastlevel, settings.max_level);
224			exit (1);
225	root	1.2	}
226	root	1.5	levels[lastlevel] = tmpexp;
227			lastexp = tmpexp;
228			/* First, skip over the number we just processed. Then skip over
229			* any spaces, commas, etc.
230			*/
231			while (isdigit (cp) && cp != 0)
232			cp++;
233			while (!isdigit (cp) && cp != 0)
234			cp++;
235	root	1.2	}
236	elmex	1.1	}
237	root	1.5	close_and_delete (fp, comp);
238			if (lastlevel != settings.max_level && lastlevel != 0)
239			{
240			LOG (llevError, "Warning: exp_table does not have %d entries (%d)\n", settings.max_level, lastlevel);
241			exit (1);
242	elmex	1.1	}
243			}
244
245			/* Dump the table - useful in terms of debugging to make sure the
246			* format of the exp_table is correct.
247			*/
248
249	root	1.5	void
250			dump_experience ()
251	elmex	1.1	{
252	root	1.5	int i;
253	elmex	1.1
254	root	1.5	for (i = 1; i <= settings.max_level; i++)
255			{
256			fprintf (logfile, "%4d %20lld\n", i, (long long) levels[i]);
257	elmex	1.1	}
258	root	1.5	exit (0);
259	elmex	1.1	}