src/hcode/include/macros.h

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/*
 * $Id: macros.h,v 1.1 2005/06/13 20:50:52 murrayma Exp $
 *
 * Author: Markus Stenberg <fingon@iki.fi>
 *
 *  Copyright (c) 1996 Markus Stenberg
 *       All rights reserved
 *
 * Created: Wed Oct  9 10:49:55 1996 fingon
 * Last modified: Wed Aug 12 14:36:33 1998 fingon
 *
 */

#ifndef MACROS_H
#define MACROS_H

#ifdef notify
#undef notify
#endif
#ifdef notify_except
#undef notify_except
#endif
#define notify(a,b) mecha_notify(a,b)
#define notify_except(a,b,c,d) mecha_notify_except(a,b,c,d)

/* DOCHECK: Macros for the lazy
   DOCHEK(a,b) basically replaces if (a) { <somewaytopassmessage b>, return }

   Macros ending with 0 return 0, and N NULL. Default behaviour is to
   return nothing.

   Default behavior to pass message is to use notify to notify the
   player who's executing the function. MA = MECHALL, sends to
   everyone within the mech executing the command, MP = MECHPILOT,
   sends to pilot of the mech
   */
#ifndef DOCHECK
#define DOCHECK(a,b) if (a) { notify(player, b); return; }
#define DOCHECKMA(a,b) if (a) { mech_notify(mech, MECHALL, b); return; }
#define DOCHECKMA0(a,b) if (a) { mech_notify(mech, MECHALL, b); return 0; }
#define DOCHECKMP(a,b) if (a) { mech_notify(mech, MECHPILOT, b); return; }
#define DOCHECKMP0(a,b) if (a) { mech_notify(mech, MECHPILOT, b); return 0; }
#define DOCHECKMP1(a,b) if (a) { mech_notify(mech, MECHPILOT, b); return 1; }
#define DOCHECK0(a,b) if (a) { notify(player, b); return 0; }
#define DOCHECK1(a,b) if (a) { notify(player, b); return -1; }
#define DOCHECKN(a,b) if (a) { notify(player, b); return NULL; }
#define FUNCHECK(a,b) \
if (a) { safe_tprintf_str(buff, bufc, b); return; }
#endif

/* Dice-rolling function used everywhere converted to a macro */
/* Shift the random number to get rid of the usually not-very-random
   lower order bits. Because Number() is used with a wide range of numbers,
   as high as 5000 at least, we do a little dance to determine the amount
   to shift */
#define Number(a,b) ((a) + (random() >> ( \
    ((b) - (a)) > 16777216 ? 0 : \
    ((b) - (a)) > 65536 ? 8 : \
    ((b) - (a)) > 4096 ? 16 : 20 \
  )) % ((b)-(a)+1))

#define skipws(name)     while (name && *name && isspace(*name)) name++
#define readint(to,from) \
(!from || !*from || (!(to = atoi(from)) && strcmp(from, "0")))

#define Readnum(tovar,fromvar) \
        (!(tovar = atoi(fromvar)) && strcmp(fromvar, "0"))

#define SetBit(val,bit)   (val |= bit)
#define UnSetBit(val,bit) (val &= ~(bit))
#define EvalBit(val,bit,state) \
        do {if (state) SetBit(val,bit); else UnSetBit(val,bit);} while (0)
#define ToggleBit(val,bit) \
do { if (!(val & bit)) SetBit(val,bit);else UnSetBit(val,bit); } while (0)

#define WizPo(p,fun) (fun(Owner(p)) && Inherits(p))

#define Wiz(p)  WizPo(p,Wizard)
#define WizR(p) WizPo(p,WizRoy)
#define WizP(p) WizPo(p,Security)

#define hush_teleport(p,t) move_via_teleport(p,t,1,7)
#define loud_teleport(p,t) move_via_teleport(p,t,1,0)

#if 0
/* Old cheater @luck code. Removed. If you got an issue with it's removal, you prolly had an issue to start with. */
#define ValidLuckPlayer(mech) ((In_Character(mech->mynum) && In_Character(Location(mech->mynum))) ? MechPilot(mech) : -1)
#define NRoll(mech) luck_die_mod(ValidLuckPlayer(mech), -1)
#define PRoll(mech) luck_die_mod(ValidLuckPlayer(mech), 1)

#define NRoll2(mech,mech2) \
  ((!mech2 || mech == mech2) ? NRoll(mech) : luck_die_mod_base(-1, player_luck(ValidLuckPlayer(mech)) - player_luck(ValidLuckPlayer(mech2))))

#define PRoll2(mech,mech2) \
  ((!mech2 || mech == mech2) ? PRoll(mech) : luck_die_mod_base(1, player_luck(ValidLuckPlayer(mech)) - player_luck(ValidLuckPlayer(mech2))))

/* Negative, player-spesific */
#define NPRoll(player) \
  luck_die_mod_base(-1, player_luck(player))
#endif

#define can_pass_lock(guy,lockobj,lockname) could_doit(guy,lockobj,lockname)


#endif                          /* MACROS_H */

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