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/cvs/deliantra/server/common/exp.c
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.

File Contents

# User Rev Content
1 root 1.1 /*
2     * static char *rcsid_arch_c =
3 elmex 1.2 * "$Id$";
4 root 1.1 */
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     }