server/common/exp.c

/*
 * static char *rcsid_arch_c =
 *   "$Id$";
 */

/*
    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;

#define TRUE    1
#define FALSE   0

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(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) != FALSE));
    /* 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)!= FALSE)) +
                (0.5*(QUERY_FLAG(ob,FLAG_SPLITTING)!= FALSE))+
                (0.3*(QUERY_FLAG(ob,FLAG_HITBACK)!= FALSE)) + 
                (0.1*(QUERY_FLAG(ob,FLAG_REFL_MISSILE)!= FALSE)) +
                (0.3*(QUERY_FLAG(ob,FLAG_REFL_SPELL)!= FALSE)) +
                (1.0*(QUERY_FLAG(ob,FLAG_NO_MAGIC)!= FALSE)) +
                (0.1*(QUERY_FLAG(ob,FLAG_PICK_UP)!= FALSE)) + 
                (0.1*(QUERY_FLAG(ob,FLAG_USE_SCROLL)!= FALSE)) +
                (0.2*(QUERY_FLAG(ob,FLAG_USE_RANGE)!= FALSE)) +
                (0.1*(QUERY_FLAG(ob,FLAG_USE_BOW)!= FALSE));

  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(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 = 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(void)
{
    int i;

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