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elmex |
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/* |
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* static char *rcsid_arch_c = |
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root |
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* "$Id: exp.C,v 1.4 2006-09-03 00:18:39 root Exp $"; |
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elmex |
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*/ |
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/* |
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CrossFire, A Multiplayer game for X-windows |
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Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
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Copyright (C) 1992 Frank Tore Johansen |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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The authors can be reached via e-mail at crossfire-devel@real-time.com |
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*/ |
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#include <stdio.h> |
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#include <global.h> |
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sint64 *levels; |
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float exp_att_mult[NROFATTACKS + 2] = { |
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0.0, /* AT_PHYSICAL */ |
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0.0, /* AT_MAGIC */ |
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0.0, /* AT_FIRE */ |
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0.0, /* AT_ELECTRICITY */ |
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0.0, /* AT_COLD */ |
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0.0, /* AT_WATER *//*AT_CONFUSION! */ |
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0.4, /* AT_ACID */ |
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1.5, /* AT_DRAIN */ |
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0.0, /* AT_WEAPONMAGIC */ |
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0.1, /* AT_GHOSTHIT */ |
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0.3, /* AT_POISON */ |
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0.2, /* AT_DISEASE */ |
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0.3, /* AT_PARALYZE */ |
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0.0, /* AT_TURN_UNDEAD */ |
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0.0, /* AT_FEAR */ |
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0.0, /* AT_CANCELLATION */ |
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0.0, /* AT_DEPLETE */ |
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0.0, /* AT_DEATH */ |
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0.0, /* AT_CHAOS */ |
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0.0 /* AT_COUNTERSPELL */ |
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1.1 |
}; |
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1.5 |
float exp_prot_mult[NROFATTACKS + 2] = { |
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0.4, /* AT_PHYSICAL */ |
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0.5, /* AT_MAGIC */ |
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0.1, /* AT_FIRE */ |
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0.1, /* AT_ELECTRICITY */ |
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0.1, /* AT_COLD */ |
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0.1, /* AT_WATER */ |
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0.1, /* AT_ACID */ |
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0.1, /* AT_DRAIN */ |
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0.1, /* AT_WEAPONMAGIC */ |
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0.1, /* AT_GHOSTHIT */ |
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0.1, /* AT_POISON */ |
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0.1, /* AT_DISEASE */ |
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0.1, /* AT_PARALYZE */ |
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0.1, /* AT_TURN_UNDEAD */ |
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0.1, /* AT_FEAR */ |
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0.0, /* AT_CANCELLATION */ |
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0.0, /* AT_DEPLETE */ |
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0.0, /* AT_DEATH */ |
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0.0, /* AT_CHAOS */ |
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0.0 /* AT_COUNTERSPELL */ |
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}; |
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/* |
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* new_exp() is an alternative way to calculate experience based |
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* on the ability of a monster. |
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* It's far from perfect, and doesn't consider everything which |
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* can be considered, thus it's only used in debugging. |
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* this is only used with one of the dumpflags, |
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* and not anyplace in the code. |
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*/ |
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1.5 |
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int |
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new_exp (const object *ob) |
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{ |
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double att_mult, prot_mult, spec_mult; |
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double exp; |
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int i; |
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long mask = 1; |
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att_mult = prot_mult = spec_mult = 1.0; |
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for (i = 0; i < NROFATTACKS; i++) |
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{ |
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mask = 1 << i; |
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att_mult += (exp_att_mult[i] * ((ob->attacktype & mask) != 0)); |
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/* We multiply & then divide to prevent roundoffs on the floats. |
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* the doubling is to take into account the table and resistances |
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* are lower than they once were. |
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*/ |
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prot_mult += (exp_prot_mult[i] * 200 * ob->resist[i]) / 100.0; |
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} |
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spec_mult += (0.3 * (QUERY_FLAG (ob, FLAG_SEE_INVISIBLE) != 0)) + |
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(0.5 * (QUERY_FLAG (ob, FLAG_SPLITTING) != 0)) + |
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(0.3 * (QUERY_FLAG (ob, FLAG_HITBACK) != 0)) + |
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(0.1 * (QUERY_FLAG (ob, FLAG_REFL_MISSILE) != 0)) + |
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(0.3 * (QUERY_FLAG (ob, FLAG_REFL_SPELL) != 0)) + |
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(1.0 * (QUERY_FLAG (ob, FLAG_NO_MAGIC) != 0)) + |
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(0.1 * (QUERY_FLAG (ob, FLAG_PICK_UP) != 0)) + |
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(0.1 * (QUERY_FLAG (ob, FLAG_USE_SCROLL) != 0)) + |
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(0.2 * (QUERY_FLAG (ob, FLAG_USE_RANGE) != 0)) + (0.1 * (QUERY_FLAG (ob, FLAG_USE_BOW) != 0)); |
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exp = (ob->stats.maxhp < 5) ? 5 : ob->stats.maxhp; |
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exp *= (QUERY_FLAG (ob, FLAG_CAST_SPELL) && has_ability (ob)) ? (40 + (ob->stats.maxsp > 80 ? 80 : ob->stats.maxsp)) / 40 : 1; |
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exp *= (80.0 / (70.0 + ob->stats.wc)) * (80.0 / (70.0 + ob->stats.ac)) * (50.0 + ob->stats.dam) / 50.0; |
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exp *= att_mult * prot_mult * spec_mult; |
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1.5 |
exp *= 2.0 / (2.0 - ((FABS (ob->speed) < 0.95) ? FABS (ob->speed) : 0.95)); |
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exp *= (20.0 + ob->stats.Con) / 20.0; |
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if (QUERY_FLAG (ob, FLAG_STAND_STILL)) |
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exp /= 2; |
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return (int) exp; |
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} |
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/* |
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* Returns true if the monster specified has any innate abilities. |
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*/ |
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1.5 |
int |
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has_ability (const object *ob) |
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{ |
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object *tmp; |
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for (tmp = ob->inv; tmp != NULL; tmp = tmp->below) |
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if (tmp->type == SPELL || tmp->type == SPELLBOOK) |
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return true; |
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return false; |
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elmex |
1.1 |
} |
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/* This loads the experience table from the exp_table |
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* file. This tends to exit on any errors, since it |
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* populates the table as it goes along, so if there |
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* are errors, the table is likely in an inconsistent |
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* state. |
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*/ |
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1.5 |
void |
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init_experience (void) |
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1.1 |
{ |
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1.5 |
char buf[MAX_BUF], *cp; |
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int lastlevel = 0, comp; |
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sint64 lastexp = -1, tmpexp; |
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FILE *fp; |
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sprintf (buf, "%s/exp_table", settings.confdir); |
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if ((fp = open_and_uncompress (buf, 0, &comp)) == NULL) |
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{ |
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return; |
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elmex |
1.1 |
} |
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1.5 |
while (fgets (buf, MAX_BUF - 1, fp) != NULL) |
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{ |
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if (buf[0] == '#') |
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continue; |
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/* eliminate newline */ |
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if ((cp = strrchr (buf, '\n')) != NULL) |
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*cp = '\0'; |
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/* Skip over empty lines */ |
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if (buf[0] == 0) |
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continue; |
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cp = buf; |
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while (isspace (*cp) && *cp != 0) |
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cp++; |
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if (!strncasecmp (cp, "max_level", 9)) |
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{ |
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if (settings.max_level) |
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{ |
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LOG (llevDebug, "Got more than one max_level value from exp_table file?\n"); |
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free (levels); |
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} |
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settings.max_level = atoi (cp + 9); |
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if (!settings.max_level) |
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{ |
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LOG (llevDebug, "Got invalid max_level from exp_table file? %s\n", buf); |
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} |
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else |
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{ |
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levels = (sint64 *) calloc (settings.max_level + 1, sizeof (sint64)); |
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1.2 |
} |
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} |
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1.5 |
while (isdigit (*cp) && *cp != 0) |
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{ |
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if (!settings.max_level) |
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{ |
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LOG (llevError, "max_level is not set in exp_table file. Did you remember to update it?\n"); |
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exit (1); |
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1.2 |
} |
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1.5 |
tmpexp = atoll (cp); |
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/* Do some sanity checking - if value is bogus, just exit because |
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* the table otherwise is probably in an inconsistent state |
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*/ |
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if (tmpexp <= lastexp) |
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{ |
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#ifndef WIN32 |
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LOG (llevError, "Experience for level %d is lower than previous level (%lld <= %lld)\n", lastlevel + 1, tmpexp, lastexp); |
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#else |
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LOG (llevError, "Experience for level %d is lower than previous level (%I64d <= %I64d)\n", lastlevel + 1, tmpexp, lastexp); |
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1.1 |
#endif |
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1.5 |
exit (1); |
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} |
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lastlevel++; |
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if (lastlevel > settings.max_level) |
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{ |
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LOG (llevError, "Too many levels specified in table (%d > %d)\n", lastlevel, settings.max_level); |
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exit (1); |
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1.2 |
} |
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1.5 |
levels[lastlevel] = tmpexp; |
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lastexp = tmpexp; |
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/* First, skip over the number we just processed. Then skip over |
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* any spaces, commas, etc. |
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*/ |
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while (isdigit (*cp) && *cp != 0) |
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cp++; |
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while (!isdigit (*cp) && *cp != 0) |
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cp++; |
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1.2 |
} |
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1.1 |
} |
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1.5 |
close_and_delete (fp, comp); |
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if (lastlevel != settings.max_level && lastlevel != 0) |
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{ |
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LOG (llevError, "Warning: exp_table does not have %d entries (%d)\n", settings.max_level, lastlevel); |
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exit (1); |
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elmex |
1.1 |
} |
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} |
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/* Dump the table - useful in terms of debugging to make sure the |
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* format of the exp_table is correct. |
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*/ |
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root |
1.5 |
void |
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dump_experience () |
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elmex |
1.1 |
{ |
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root |
1.5 |
int i; |
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elmex |
1.1 |
|
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root |
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for (i = 1; i <= settings.max_level; i++) |
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{ |
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fprintf (logfile, "%4d %20lld\n", i, (long long) levels[i]); |
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elmex |
1.1 |
} |
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root |
1.5 |
exit (0); |
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elmex |
1.1 |
} |