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Language/OS - Multiplatform Resource Library
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gnu
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nethack.lha
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nethack-3.1
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src
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exper.c
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C/C++ Source or Header
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1993-01-14
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203 lines
/* SCCS Id: @(#)exper.c 3.1 90/22/02
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/* NetHack may be freely redistributed. See license for details. */
#include "hack.h"
#ifdef LINT
#define NEW_SCORING
#endif
long
newuexp(lev)
register unsigned lev;
{
#ifdef LINT /* long conversion */
return(0L * lev);
#else
if(lev < 10) return (10L*(1L << lev));
if(lev < 20) return (10000L*(1L << (lev-10)));
return (10000000L*(lev-19));
#endif
}
int
experience(mtmp, nk) /* return # of exp points for mtmp after nk killed */
register struct monst *mtmp;
register int nk;
{
register struct permonst *ptr = mtmp->data;
int i, tmp, tmp2;
tmp = 1 + mtmp->m_lev * mtmp->m_lev;
/* For higher ac values, give extra experience */
if((i = find_mac(mtmp)) < 3) tmp += (7 - i) * (i < 0) ? 2 : 1;
/* For very fast monsters, give extra experience */
if(ptr->mmove >= 12) tmp += (ptr->mmove >= 18) ? 5 : 3;
/* For each "special" attack type give extra experience */
for(i = 0; i < NATTK; i++) {
tmp2 = ptr->mattk[i].aatyp;
if(tmp2 > AT_BUTT) {
if(tmp2 == AT_WEAP) tmp += 5;
else if(tmp2 == AT_MAGC) tmp += 10;
else tmp += 3;
}
}
/* For each "special" damage type give extra experience */
for(i = 0; i < NATTK; i++) {
tmp2 = ptr->mattk[i].adtyp;
if(tmp2 > AD_PHYS && tmp2 < AD_BLND) tmp += 2*mtmp->m_lev;
else if((tmp2 == AD_DRLI) || (tmp2 == AD_STON)) tmp += 50;
else if(tmp != AD_PHYS) tmp += mtmp->m_lev;
/* extra heavy damage bonus */
if((int)(ptr->mattk[i].damd * ptr->mattk[i].damn) > 23)
tmp += mtmp->m_lev;
}
/* For certain "extra nasty" monsters, give even more */
if(extra_nasty(ptr)) tmp += (7*mtmp->m_lev);
if(ptr->mlet == S_EEL) tmp += 1000;
/* For higher level monsters, an additional bonus is given */
if(mtmp->m_lev > 8) tmp += 50;
#ifdef NEW_SCORING
/* ------- recent addition: make nr of points decrease
when this is not the first of this kind */
{ unsigned ul = u.ulevel;
int ml = mtmp->m_lev;
/* points are given based on present and future level */
if(ul < MAXULEV)
for(tmp2 = 0; !tmp2 || ul + tmp2 <= ml; tmp2++)
if(u.uexp + 1 + (tmp + ((tmp2 <= 0) ? 0 : 4<<(tmp2-1)))/nk
>= newuexp(ul) )
if(++ul == MAXULEV) break;
tmp2 = ml - ul -1;
tmp = (tmp + ((tmp2 < 0) ? 0 : 4<<tmp2))/nk;
if(tmp <= 0) tmp = 1;
}
/* note: ul is not necessarily the future value of u.ulevel */
/* ------- end of recent valuation change ------- */
#endif /* NEW_SCORING /**/
#ifdef MAIL
/* Mail daemons put up no fight. */
if(mtmp->data == &mons[PM_MAIL_DAEMON]) tmp = 1;
#endif
return(tmp);
}
void
more_experienced(exp, rexp)
register int exp, rexp;
{
u.uexp += exp;
u.urexp += 4*exp + rexp;
if(exp
#ifdef SCORE_ON_BOTL
|| flags.showscore
#endif
) flags.botl = 1;
if(u.urexp >= ((pl_character[0] == 'W') ? 1000 : 2000))
flags.beginner = 0;
}
void
losexp() { /* hit by drain life attack */
register int num;
#ifdef POLYSELF
if(resists_drli(uasmon)) return;
#endif
if(u.ulevel > 1) {
pline("Goodbye level %u.", u.ulevel--);
/* remove intrinsic abilities */
adjabil((int)u.ulevel+1, (int)u.ulevel);
} else
u.uhp = -1;
num = newhp();
u.uhp -= num;
u.uhpmax -= num;
num = rn1((int)u.ulevel/2+1, 2); /* M. Stephenson */
u.uen -= num;
if (u.uen < 0) u.uen = 0;
u.uenmax -= num;
if (u.uenmax < 0) u.uenmax = 0;
u.uexp = newuexp(u.ulevel) - 1;
flags.botl = 1;
}
/*
* Make experience gaining similar to AD&D(tm), whereby you can at most go
* up by one level at a time, extra expr possibly helping you along.
* After all, how much real experience does one get shooting a wand of death
* at a dragon created with a wand of polymorph??
*/
void
newexplevel() {
register int tmp;
if(u.ulevel < MAXULEV && u.uexp >= newuexp(u.ulevel)) {
u.ulevel++;
if (u.uexp >= newuexp(u.ulevel)) u.uexp = newuexp(u.ulevel) - 1;
pline("Welcome to experience level %u.", u.ulevel);
set_uasmon(); /* set up for the new level. */
/* give new intrinsics */
adjabil((int)u.ulevel-1, (int)u.ulevel);
tmp = newhp();
u.uhpmax += tmp;
u.uhp += tmp;
tmp = rn1((int)ACURR(A_WIS)/2+1, 2); /* M. Stephenson */
u.uenmax += tmp;
u.uen += tmp;
flags.botl = 1;
}
}
void
pluslvl() {
register int num;
You("feel more experienced.");
num = newhp();
u.uhpmax += num;
u.uhp += num;
num = rn1((int)ACURR(A_WIS)/2+1, 2); /* M. Stephenson */
u.uenmax += num;
u.uen += num;
if(u.ulevel < MAXULEV) {
u.uexp = newuexp(u.ulevel);
pline("Welcome to experience level %u.", ++u.ulevel);
adjabil((int)u.ulevel-1, (int)u.ulevel);
}
flags.botl = 1;
}
long
rndexp()
{
register long minexp,maxexp;
if(u.ulevel == 1)
return rn2((int)newuexp(1));
else {
minexp = newuexp(u.ulevel - 1);
maxexp = newuexp(u.ulevel);
return(minexp + rn2((int)(maxexp - minexp)));
}
}
/*exper.c*/