/* * powers.c - power manipulation routines */ /* * $Id: powers.cpp,v 1.2 2000/04/17 17:49:35 sdennis Exp $ */ #include "copyright.h" #include "autoconf.h" #include "config.h" #include "externs.h" #include "db.h" #include "mudconf.h" #include "command.h" #include "powers.h" #include "alloc.h" #ifndef STANDALONE /* * --------------------------------------------------------------------------- * * ph_any: set or clear indicated bit, no security checking */ int ph_any(dbref target, dbref player, POWER power, int fpowers, int reset) { if (fpowers & POWER_EXT) { if (reset) s_Powers2(target, Powers2(target) & ~power); else s_Powers2(target, Powers2(target) | power); } else { if (reset) s_Powers(target, Powers(target) & ~power); else s_Powers(target, Powers(target) | power); } return 1; } /* * --------------------------------------------------------------------------- * * ph_god: only GOD may set or clear the bit */ int ph_god(dbref target, dbref player, POWER power, int fpowers, int reset) { if (!God(player)) return 0; return (ph_any(target, player, power, fpowers, reset)); } /* * --------------------------------------------------------------------------- * * ph_wiz: only WIZARDS (or GOD) may set or clear the bit */ int ph_wiz(dbref target, dbref player, POWER power, int fpowers, int reset) { if (!Wizard(player) & !God(player)) return 0; return (ph_any(target, player, power, fpowers, reset)); } /* * --------------------------------------------------------------------------- * * ph_wizroy: only WIZARDS, ROYALTY, (or GOD) may set or clear the bit */ int ph_wizroy(dbref target, dbref player, POWER power, int fpowers, int reset) { if (!WizRoy(player) & !God(player)) return 0; return (ph_any(target, player, power, fpowers, reset)); } /* * --------------------------------------------------------------------------- * * ph_inherit: only players may set or clear this bit. */ int ph_inherit(dbref target, dbref player, POWER power, int fpowers, int reset) { if (!Inherits(player)) return 0; return (ph_any(target, player, power, fpowers, reset)); } POWERENT gen_powers[] = { {(char *)"quota", POW_CHG_QUOTAS, 0, 0, ph_wiz}, {(char *)"chown_anything", POW_CHOWN_ANY, 0, 0, ph_wiz}, {(char *)"announce", POW_ANNOUNCE, 0, 0, ph_wiz}, {(char *)"boot", POW_BOOT, 0, 0, ph_wiz}, {(char *)"halt", POW_HALT, 0, 0, ph_wiz}, {(char *)"control_all", POW_CONTROL_ALL,0, 0, ph_god}, {(char *)"expanded_who", POW_WIZARD_WHO, 0, 0, ph_wiz}, {(char *)"see_all", POW_EXAM_ALL, 0, 0, ph_wiz}, {(char *)"prog", POW_PROG, 0, 0, ph_wiz}, {(char *)"find_unfindable", POW_FIND_UNFIND,0, 0, ph_wiz}, {(char *)"free_money", POW_FREE_MONEY, 0, 0, ph_wiz}, {(char *)"free_quota", POW_FREE_QUOTA, 0, 0, ph_wiz}, {(char *)"hide", POW_HIDE, 0, 0, ph_wiz}, {(char *)"idle", POW_IDLE, 0, 0, ph_wiz}, {(char *)"search", POW_SEARCH, 0, 0, ph_wiz}, {(char *)"long_fingers", POW_LONGFINGERS,0, 0, ph_wiz}, {(char *)"comm_all", POW_COMM_ALL, 0, 0, ph_wiz}, {(char *)"see_queue", POW_SEE_QUEUE, 0, 0, ph_wiz}, {(char *)"see_hidden", POW_SEE_HIDDEN, 0, 0, ph_wiz}, {(char *)"monitor", POW_MONITOR, 0, 0, ph_wiz}, {(char *)"poll", POW_POLL, 0, 0, ph_wiz}, {(char *)"no_destroy", POW_NO_DESTROY, 0, 0, ph_wiz}, {(char *)"guest", POW_GUEST, 0, 0, ph_god}, {(char *)"stat_any", POW_STAT_ANY, 0, 0, ph_wiz}, {(char *)"steal_money", POW_STEAL, 0, 0, ph_wiz}, {(char *)"tel_anywhere", POW_TEL_ANYWHR, 0, 0, ph_wiz}, {(char *)"tel_anything", POW_TEL_UNRST, 0, 0, ph_wiz}, {(char *)"unkillable", POW_UNKILLABLE, 0, 0, ph_wiz}, {(char *)"pass_locks", POW_PASS_LOCKS, 0, 0, ph_wiz}, {(char *)"builder", POW_BUILDER, POWER_EXT, 0, ph_wiz}, {NULL, 0, 0, 0, 0} }; /* * --------------------------------------------------------------------------- * * init_powertab: initialize power hash tables. */ void NDECL(init_powertab) { POWERENT *fp; char *nbuf; nbuf = alloc_sbuf("init_powertab"); for (fp = gen_powers; fp->powername; fp++) { strncpy(nbuf, fp->powername, SBUF_SIZE); nbuf[SBUF_SIZE-1] = '\0'; _strlwr(nbuf); hashaddLEN(nbuf, strlen(nbuf), (int *)fp, &mudstate.powers_htab); } free_sbuf(nbuf); } /* * --------------------------------------------------------------------------- * * display_powers: display available powers. */ void display_powertab(dbref player) { char *buf, *bp; POWERENT *fp; bp = buf = alloc_lbuf("display_powertab"); safe_str((char *)"Powers:", buf, &bp); for (fp = gen_powers; fp->powername; fp++) { if ((fp->listperm & CA_WIZARD) && !Wizard(player)) continue; if ((fp->listperm & CA_GOD) && !God(player)) continue; safe_chr(' ', buf, &bp); safe_str((char *)fp->powername, buf, &bp); } *bp = '\0'; notify(player, buf); free_lbuf(buf); } POWERENT *find_power(dbref thing, char *powername) { // Convert powername to canonical lowercase. // char *buff = alloc_sbuf("find_power"); strncpy(buff, powername, SBUF_SIZE); buff[SBUF_SIZE-1] = '\0'; _strlwr(buff); POWERENT *p = (POWERENT *)hashfindLEN(buff, strlen(buff), &mudstate.powers_htab); free_sbuf(buff); return p; } int decode_power(dbref player, char *powername, POWERSET *pset) { POWERENT *pent; pset->word1 = 0; pset->word2 = 0; pent = (POWERENT *)hashfindLEN(powername, strlen(powername), &mudstate.powers_htab); if (!pent) { notify(player, tprintf("%s: Power not found.", powername)); return 0; } if (pent->powerpower & POWER_EXT) pset->word2 = pent->powervalue; else pset->word1 = pent->powervalue; return 1; } /* * --------------------------------------------------------------------------- * * power_set: Set or clear a specified power on an object. */ void power_set(dbref target, dbref player, char *power, int key) { POWERENT *fp; int negate, result; /* * Trim spaces, and handle the negation character */ negate = 0; while (Tiny_IsSpace[(unsigned char)*power]) power++; if (*power == '!') { negate = 1; power++; } while (Tiny_IsSpace[(unsigned char)*power]) power++; // Make sure a power name was specified. // if (*power == '\0') { if (negate) notify(player, "You must specify a power to clear."); else notify(player, "You must specify a power to set."); return; } fp = find_power(target, power); if (fp == NULL) { notify(player, "I don't understand that power."); return; } // Invoke the power handler, and print feedback. // result = fp->handler(target, player, fp->powervalue, fp->powerpower, negate); if (!result) notify(player, "Permission denied."); else if (!(key & SET_QUIET) && !Quiet(player)) notify(player, (negate ? "Cleared." : "Set.")); return; } /* * --------------------------------------------------------------------------- * * has_power: does object have power visible to player? */ int has_power(dbref player, dbref it, char *powername) { POWERENT *fp = find_power(it, powername); if (!fp) { return 0; } POWER fv; if (fp->powerpower & POWER_EXT) fv = Powers2(it); else fv = Powers(it); if (fv & fp->powervalue) { if ((fp->listperm & CA_WIZARD) && !Wizard(player)) return 0; if ((fp->listperm & CA_GOD) && !God(player)) return 0; return 1; } return 0; } /* * --------------------------------------------------------------------------- * * power_description: Return an mbuf containing the type and powers on thing. */ char *power_description(dbref player, dbref target) { char *buff, *bp; POWERENT *fp; int otype; POWER fv; /* * Allocate the return buffer */ otype = Typeof(target); bp = buff = alloc_mbuf("power_description"); /* * Store the header strings and object type */ safe_mb_str((char *)"Powers:", buff, &bp); for (fp = gen_powers; fp->powername; fp++) { if (fp->powerpower & POWER_EXT) fv = Powers2(target); else fv = Powers(target); if (fv & fp->powervalue) { if ((fp->listperm & CA_WIZARD) && !Wizard(player)) continue; if ((fp->listperm & CA_GOD) && !God(player)) continue; safe_mb_chr(' ', buff, &bp); safe_mb_str((char *)fp->powername, buff, &bp); } } /* * Terminate the string, and return the buffer to the caller */ *bp = '\0'; return buff; } /* * --------------------------------------------------------------------------- * * decompile_powers: Produce commands to set powers on target. */ void decompile_powers(dbref player, dbref thing, char *thingname) { POWER f1, f2; POWERENT *fp; /* * Report generic powers */ f1 = Powers(thing); f2 = Powers2(thing); for (fp = gen_powers; fp->powername; fp++) { /* * Skip if we shouldn't decompile this power */ if (fp->listperm & CA_NO_DECOMP) continue; /* * Skip if this power is not set */ if (fp->powerpower & POWER_EXT) { if (!(f2 & fp->powervalue)) continue; } else { if (!(f1 & fp->powervalue)) continue; } /* * Skip if we can't see this power */ if (!check_access(player, fp->listperm)) continue; /* * We made it this far, report this power */ notify(player, tprintf("@power %s=%s", strip_ansi(thingname), fp->powername)); } } #endif // STANDALONE