/**************************************************************************** * [S]imulated [M]edieval [A]dventure multi[U]ser [G]ame | \\._.// * * -----------------------------------------------------------| (0...0) * * SMAUG 1.0 (C) 1994, 1995, 1996 by Derek Snider | ).:.( * * -----------------------------------------------------------| {o o} * * SMAUG code team: Thoric, Altrag, Blodkai, Narn, Haus, | / ' ' \ * * Scryn, Rennard, Swordbearer, Gorog, Grishnakh and Tricops |~'~.VxvxV.~'~* * ------------------------------------------------------------------------ * * Merc 2.1 Diku Mud improvments copyright (C) 1992, 1993 by Michael * * Chastain, Michael Quan, and Mitchell Tse. * * Original Diku Mud copyright (C) 1990, 1991 by Sebastian Hammer, * * Michael Seifert, Hans Henrik St{rfeldt, Tom Madsen, and Katja Nyboe. * * ------------------------------------------------------------------------ * * Command interpretation module * ****************************************************************************/ #include <sys/types.h> #include <sys/time.h> #include <ctype.h> #include <stdio.h> #include <string.h> #include <time.h> #include "mud.h" /* * Externals */ void refresh_page( CHAR_DATA *ch ); void subtract_times( struct timeval *etime, struct timeval *stime ); bool check_social args( ( CHAR_DATA *ch, char *command, char *argument ) ); /* * Log-all switch. */ bool fLogAll = FALSE; CMDTYPE *command_hash[126]; /* hash table for cmd_table */ SOCIALTYPE *social_index[27]; /* hash table for socials */ /* * Character not in position for command? */ bool check_pos( CHAR_DATA *ch, sh_int position ) { if ( ch->position < position ) { switch( ch->position ) { case POS_DEAD: send_to_char( "A little difficult to do when you are DEAD...\n\r", ch ); break; case POS_MORTAL: case POS_INCAP: send_to_char( "You are hurt far too bad for that.\n\r", ch ); break; case POS_STUNNED: send_to_char( "You are too stunned to do that.\n\r", ch ); break; case POS_SLEEPING: send_to_char( "In your dreams, or what?\n\r", ch ); break; case POS_RESTING: send_to_char( "Nah... You feel too relaxed...\n\r", ch); break; case POS_SITTING: send_to_char( "You can't do that sitting down.\n\r", ch); break; case POS_FIGHTING: send_to_char( "No way! You are still fighting!\n\r", ch); break; } return FALSE; } return TRUE; } extern char lastplayercmd[MAX_INPUT_LENGTH*2]; /* * The main entry point for executing commands. * Can be recursively called from 'at', 'order', 'force'. */ void interpret( CHAR_DATA *ch, char *argument ) { char command[MAX_INPUT_LENGTH]; char logline[MAX_INPUT_LENGTH]; char logname[MAX_INPUT_LENGTH]; char newcommand[MAX_INPUT_LENGTH]; char arg2[MAX_INPUT_LENGTH]; TIMER *timer = NULL; CMDTYPE *cmd = NULL; int trust; int loglvl; bool found; struct timeval time_used; long tmptime; if ( !ch ) { bug( "interpret: null ch!", 0 ); return; } found = FALSE; if ( ch->substate == SUB_REPEATCMD ) { DO_FUN *fun; if ( (fun=ch->last_cmd) == NULL ) { ch->substate = SUB_NONE; bug( "interpret: SUB_REPEATCMD with NULL last_cmd", 0 ); return; } else { int x; /* * yes... we lose out on the hashing speediness here... * but the only REPEATCMDS are wizcommands (currently) */ for ( x = 0; x < 126; x++ ) { for ( cmd = command_hash[x]; cmd; cmd = cmd->next ) if ( cmd->do_fun == fun ) { found = TRUE; break; } if ( found ) break; } if ( !found ) { cmd = NULL; bug( "interpret: SUB_REPEATCMD: last_cmd invalid", 0 ); return; } sprintf( logline, "(%s) %s", cmd->name, argument ); } } if ( !cmd ) { /* Changed the order of these ifchecks to prevent crashing. */ if ( !argument || !strcmp(argument,"") ) { bug( "interpret: null argument!", 0 ); return; } /* * Strip leading spaces. */ while ( isspace(*argument) ) argument++; if ( argument[0] == '\0' ) return; timer = get_timerptr( ch, TIMER_DO_FUN ); /* REMOVE_BIT( ch->affected_by, AFF_HIDE ); */ /* * Implement freeze command. */ if ( !IS_NPC(ch) && IS_SET(ch->act, PLR_FREEZE) ) { send_to_char( "You're totally frozen!\n\r", ch ); return; } /* * Grab the command word. * Special parsing so ' can be a command, * also no spaces needed after punctuation. */ strcpy( logline, argument ); if ( !isalpha(argument[0]) && !isdigit(argument[0]) ) { command[0] = argument[0]; command[1] = '\0'; argument++; while ( isspace(*argument) ) argument++; } else argument = one_argument( argument, command ); /* * Look for command in command table. * Check for council powers and/or bestowments */ trust = get_trust( ch ); for ( cmd = command_hash[LOWER(command[0])%126]; cmd; cmd = cmd->next ) if ( !str_prefix( command, cmd->name ) && (cmd->level <= trust || (!IS_NPC(ch) && ch->pcdata->council && is_name( cmd->name, ch->pcdata->council->powers ) && cmd->level <= (trust+MAX_CPD)) || (!IS_NPC(ch) && ch->pcdata->bestowments && ch->pcdata->bestowments[0] != '\0' && is_name( cmd->name, ch->pcdata->bestowments ) && cmd->level <= (trust+5)) ) ) { found = TRUE; break; } /* * Turn off afk bit when any command performed. */ if ( IS_SET ( ch->act, PLR_AFK) && (str_cmp(command, "AFK"))) { REMOVE_BIT( ch->act, PLR_AFK ); act( AT_GREY, "$n is no longer afk.", ch, NULL, NULL, TO_ROOM ); } } /* * Log and snoop. */ sprintf( lastplayercmd, "** %s: %s", ch->name, logline ); if ( found && cmd->log == LOG_NEVER ) strcpy( logline, "XXXXXXXX XXXXXXXX XXXXXXXX" ); loglvl = found ? cmd->log : LOG_NORMAL; if ( ( !IS_NPC(ch) && IS_SET(ch->act, PLR_LOG) ) || fLogAll || loglvl == LOG_BUILD || loglvl == LOG_HIGH || loglvl == LOG_ALWAYS ) { /* Added by Narn to show who is switched into a mob that executes a logged command. Check for descriptor in case force is used. */ if ( ch->desc && ch->desc->original ) sprintf( log_buf, "Log %s (%s): %s", ch->name, ch->desc->original->name, logline ); else sprintf( log_buf, "Log %s: %s", ch->name, logline ); /* * Make it so a 'log all' will send most output to the log * file only, and not spam the log channel to death -Thoric */ if ( fLogAll && loglvl == LOG_NORMAL && (IS_NPC(ch) || !IS_SET(ch->act, PLR_LOG)) ) loglvl = LOG_ALL; /* This is handled in get_trust already */ /* if ( ch->desc && ch->desc->original ) log_string_plus( log_buf, loglvl, ch->desc->original->level ); else*/ log_string_plus( log_buf, loglvl, get_trust(ch) ); } if ( ch->desc && ch->desc->snoop_by ) { sprintf( logname, "%s", ch->name); write_to_buffer( ch->desc->snoop_by, logname, 0 ); write_to_buffer( ch->desc->snoop_by, "% ", 2 ); write_to_buffer( ch->desc->snoop_by, logline, 0 ); write_to_buffer( ch->desc->snoop_by, "\n\r", 2 ); } /* BUILD INTERFACE (start)*/ if( ch->inter_type == OBJ_TYPE ) { MENU_DATA *m_data = NULL; int i; switch (ch->inter_page) { case OBJ_PAGE_A: m_data=obj_page_a_data; break; case OBJ_PAGE_B: m_data=obj_page_b_data; break; case OBJ_PAGE_C: m_data=obj_page_c_data; break; case OBJ_PAGE_D: m_data=obj_page_d_data; break; case OBJ_PAGE_E: m_data=obj_page_e_data; break; case OBJ_HELP_PAGE: m_data=obj_help_page_data; break; case NO_PAGE: default: } if( m_data ) { for(i=0;m_data[i].ptrType!= (int) NULL;i++) { /*IF 1st char matches && 2nd CHAR MATCHES...*/ if(! strcmp(m_data[i].sectionNum,command)) { if(! strncmp(m_data[i].charChoice,argument,1) ) /* just check the 1st char */ { /* ...then MAKE NEW_COMMAND, and */ switch (m_data[i].cmdArgs) { case 1: sprintf(newcommand,m_data[i].cmdString,ch->inter_editing); break; case 2: argument = one_argument( argument, arg2 ); sprintf(newcommand,m_data[i].cmdString,ch->inter_editing, argument); break; case 0: default: sprintf(newcommand,m_data[i].cmdString); } send_to_char( newcommand, ch ); send_to_char( "\n\r", ch ); /* ... interpret NEW_COMMAND */ interpret( ch, newcommand ); refresh_page( ch ); return; } } } if(!strcmp("+",command) && get_obj_world(ch, argument)) { sprintf(newcommand,"omenu %s %c",argument,ch->inter_page); send_to_char( newcommand, ch ); send_to_char( "\n\r", ch ); interpret( ch, newcommand ); refresh_page( ch ); return; } } } if( ch->inter_type == MOB_TYPE ) { MENU_DATA *m_data = NULL; int i; switch (ch->inter_page) { case MOB_PAGE_A: m_data=mob_page_a_data; break; case MOB_PAGE_B: m_data=mob_page_b_data; break; case MOB_PAGE_C: m_data=mob_page_c_data; break; case MOB_PAGE_D: m_data=mob_page_d_data; break; case MOB_PAGE_E: m_data=mob_page_e_data; break; case MOB_PAGE_F: m_data=mob_page_f_data; /* 7/19 */ break; case MOB_HELP_PAGE: m_data=mob_help_page_data; break; case NO_PAGE: default: } if( m_data ) { for(i=0;m_data[i].ptrType!=(int)NULL;i++) { /*IF 1st char matches && 2nd CHAR MATCHES...*/ if(! strcmp(m_data[i].sectionNum,command)) { if(! strncmp(m_data[i].charChoice,argument,1) ) /* just check the 1st char */ { /* ...then MAKE NEW_COMMAND, and */ switch (m_data[i].cmdArgs) { case 1: sprintf(newcommand,m_data[i].cmdString,ch->inter_editing); break; case 2: argument = one_argument( argument, arg2 ); sprintf(newcommand,m_data[i].cmdString,ch->inter_editing, argument); break; case 0: default: sprintf(newcommand,m_data[i].cmdString); } send_to_char( newcommand, ch ); send_to_char( "\n\r", ch ); /* ... interpret NEW_COMMAND */ interpret( ch, newcommand ); refresh_page( ch ); return; } } } if(!strcmp("+",command) && get_char_world(ch, argument)) { sprintf(newcommand,"mmenu %s %c",argument,ch->inter_page); send_to_char( newcommand, ch ); send_to_char( "\n\r", ch ); interpret( ch, newcommand ); refresh_page( ch ); return; } } } if( ch->inter_type == ROOM_TYPE ) { MENU_DATA *m_data = NULL; int i; switch (ch->inter_page) { case ROOM_PAGE_A: m_data=room_page_a_data; break; case ROOM_PAGE_B: m_data=room_page_b_data; break; case ROOM_PAGE_C: m_data=room_page_c_data; break; case ROOM_HELP_PAGE: m_data=room_help_page_data; break; case NO_PAGE: default: } if( m_data ) { for(i=0;m_data[i].ptrType!=(int)NULL;i++) { /*IF 1st char matches && 2nd CHAR MATCHES...*/ if(! strcmp(m_data[i].sectionNum,command)) { if(! strncmp(m_data[i].charChoice,argument,1) ) /* just check the 1st char */ { /* ...then MAKE NEW_COMMAND, and */ switch (m_data[i].cmdArgs) { case 1: argument = one_argument( argument, arg2 ); /* new */ argument = one_argument( argument, arg2 ); /* new */ sprintf(newcommand,m_data[i].cmdString, argument); /* different than mobs */ break; /* on purpose */ case 2: argument = one_argument( argument, arg2 ); sprintf(newcommand,m_data[i].cmdString, ch->inter_editing, argument); break; case 0: default: sprintf(newcommand,m_data[i].cmdString); } send_to_char( newcommand, ch ); send_to_char( "\n\r", ch ); /* ... interpret NEW_COMMAND */ interpret( ch, newcommand ); refresh_page( ch ); return; } } } } } /* BUILD INTERFACE ( end )*/ if ( timer ) { int tempsub; tempsub = ch->substate; ch->substate = SUB_TIMER_DO_ABORT; (timer->do_fun)(ch,""); if ( char_died(ch) ) return; if ( ch->substate != SUB_TIMER_CANT_ABORT ) { ch->substate = tempsub; extract_timer( ch, timer ); } else { ch->substate = tempsub; return; } } /* * Look for command in skill and socials table. */ if ( !found ) { if ( !check_skill( ch, command, argument ) && !check_social( ch, command, argument ) ) { EXIT_DATA *pexit; /* check for an auto-matic exit command */ if ( (pexit = find_door( ch, command, TRUE )) != NULL && IS_SET( pexit->exit_info, EX_xAUTO )) { if ( IS_SET(pexit->exit_info, EX_CLOSED) && (!IS_AFFECTED(ch, AFF_PASS_DOOR) || IS_SET(pexit->exit_info, EX_NOPASSDOOR)) ) { if ( !IS_SET( pexit->exit_info, EX_SECRET ) ) act( AT_PLAIN, "The $d is closed.", ch, NULL, pexit->keyword, TO_CHAR ); else send_to_char( "You cannot do that here.\n\r", ch ); return; } move_char( ch, pexit, 0 ); return; } send_to_char( "Huh?\n\r", ch ); } return; } /* * Character not in position for command? */ if ( !check_pos( ch, cmd->position ) ) return; /* Berserk check for flee.. maybe add drunk to this?.. but too much hardcoding is annoying.. -- Altrag */ if ( !str_cmp(cmd->name, "flee") && IS_AFFECTED(ch, AFF_BERSERK) ) { send_to_char( "You aren't thinking very clearly..\n\r", ch); return; } /* * Dispatch the command. */ ch->prev_cmd = ch->last_cmd; /* haus, for automapping */ ch->last_cmd = cmd->do_fun; start_timer(&time_used); (*cmd->do_fun) ( ch, argument ); end_timer(&time_used); /* * Update the record of how many times this command has been used (haus) */ update_userec(&time_used, &cmd->userec); tmptime = UMIN(time_used.tv_sec,19) * 1000000 + time_used.tv_usec; /* laggy command notice: command took longer than 1.5 seconds */ if ( tmptime > 1500000 ) { sprintf(log_buf, "[*****] LAG: %s: %s %s (R:%d S:%d.%06d)", ch->name, cmd->name, (cmd->log == LOG_NEVER ? "XXX" : argument), ch->in_room ? ch->in_room->vnum : 0, time_used.tv_sec, time_used.tv_usec ); log_string_plus(log_buf, LOG_NORMAL, get_trust(ch)); } tail_chain( ); } CMDTYPE *find_command( char *command ) { CMDTYPE *cmd; int hash; hash = LOWER(command[0]) % 126; for ( cmd = command_hash[hash]; cmd; cmd = cmd->next ) if ( !str_prefix( command, cmd->name ) ) return cmd; return NULL; } SOCIALTYPE *find_social( char *command ) { SOCIALTYPE *social; int hash; if ( command[0] < 'a' || command[0] > 'z' ) hash = 0; else hash = (command[0] - 'a') + 1; for ( social = social_index[hash]; social; social = social->next ) if ( !str_prefix( command, social->name ) ) return social; return NULL; } bool check_social( CHAR_DATA *ch, char *command, char *argument ) { char arg[MAX_INPUT_LENGTH]; CHAR_DATA *victim; SOCIALTYPE *social; if ( (social=find_social(command)) == NULL ) return FALSE; if ( !IS_NPC(ch) && IS_SET(ch->act, PLR_NO_EMOTE) ) { send_to_char( "You are anti-social!\n\r", ch ); return TRUE; } switch ( ch->position ) { case POS_DEAD: send_to_char( "Lie still; you are DEAD.\n\r", ch ); return TRUE; case POS_INCAP: case POS_MORTAL: send_to_char( "You are hurt far too bad for that.\n\r", ch ); return TRUE; case POS_STUNNED: send_to_char( "You are too stunned to do that.\n\r", ch ); return TRUE; case POS_SLEEPING: /* * I just know this is the path to a 12" 'if' statement. :( * But two players asked for it already! -- Furey */ if ( !str_cmp( social->name, "snore" ) ) break; send_to_char( "In your dreams, or what?\n\r", ch ); return TRUE; } one_argument( argument, arg ); victim = NULL; if ( arg[0] == '\0' ) { act( AT_SOCIAL, social->others_no_arg, ch, NULL, victim, TO_ROOM ); act( AT_SOCIAL, social->char_no_arg, ch, NULL, victim, TO_CHAR ); } else if ( ( victim = get_char_room( ch, arg ) ) == NULL ) { send_to_char( "They aren't here.\n\r", ch ); } else if ( victim == ch ) { act( AT_SOCIAL, social->others_auto, ch, NULL, victim, TO_ROOM ); act( AT_SOCIAL, social->char_auto, ch, NULL, victim, TO_CHAR ); } else { act( AT_SOCIAL, social->others_found, ch, NULL, victim, TO_NOTVICT ); act( AT_SOCIAL, social->char_found, ch, NULL, victim, TO_CHAR ); act( AT_SOCIAL, social->vict_found, ch, NULL, victim, TO_VICT ); if ( !IS_NPC(ch) && IS_NPC(victim) && !IS_AFFECTED(victim, AFF_CHARM) && IS_AWAKE(victim) && !IS_SET( victim->pIndexData->progtypes, ACT_PROG ) ) { switch ( number_bits( 4 ) ) { case 0: if ( !IS_SET(ch->in_room->room_flags, ROOM_SAFE ) || IS_EVIL(ch) ) multi_hit( victim, ch, TYPE_UNDEFINED ); else if ( IS_NEUTRAL(ch) ) { act( AT_ACTION, "$n slaps $N.", victim, NULL, ch, TO_NOTVICT ); act( AT_ACTION, "You slap $N.", victim, NULL, ch, TO_CHAR ); act( AT_ACTION, "$n slaps you.", victim, NULL, ch, TO_VICT ); } else { act( AT_ACTION, "$n acts like $N doesn't even exist.", victim, NULL, ch, TO_NOTVICT ); act( AT_ACTION, "You just ignore $N.", victim, NULL, ch, TO_CHAR ); act( AT_ACTION, "$n appears to be ignoring you.", victim, NULL, ch, TO_VICT ); } break; case 1: case 2: case 3: case 4: case 5: case 6: case 7: case 8: act( AT_SOCIAL, social->others_found, victim, NULL, ch, TO_NOTVICT ); act( AT_SOCIAL, social->char_found, victim, NULL, ch, TO_CHAR ); act( AT_SOCIAL, social->vict_found, victim, NULL, ch, TO_VICT ); break; case 9: case 10: case 11: case 12: act( AT_ACTION, "$n slaps $N.", victim, NULL, ch, TO_NOTVICT ); act( AT_ACTION, "You slap $N.", victim, NULL, ch, TO_CHAR ); act( AT_ACTION, "$n slaps you.", victim, NULL, ch, TO_VICT ); break; } } } return TRUE; } /* * Return true if an argument is completely numeric. */ bool is_number( char *arg ) { if ( *arg == '\0' ) return FALSE; for ( ; *arg != '\0'; arg++ ) { if ( !isdigit(*arg) ) return FALSE; } return TRUE; } /* * Given a string like 14.foo, return 14 and 'foo' */ int number_argument( char *argument, char *arg ) { char *pdot; int number; for ( pdot = argument; *pdot != '\0'; pdot++ ) { if ( *pdot == '.' ) { *pdot = '\0'; number = atoi( argument ); *pdot = '.'; strcpy( arg, pdot+1 ); return number; } } strcpy( arg, argument ); return 1; } /* * Pick off one argument from a string and return the rest. * Understands quotes. */ char *one_argument( char *argument, char *arg_first ) { char cEnd; sh_int count; count = 0; while ( isspace(*argument) ) argument++; cEnd = ' '; if ( *argument == '\'' || *argument == '"' ) cEnd = *argument++; while ( *argument != '\0' || ++count >= 255 ) { if ( *argument == cEnd ) { argument++; break; } *arg_first = LOWER(*argument); arg_first++; argument++; } *arg_first = '\0'; while ( isspace(*argument) ) argument++; return argument; } /* * Pick off one argument from a string and return the rest. * Understands quotes. Delimiters = { ' ', '-' } */ char *one_argument2( char *argument, char *arg_first ) { char cEnd; sh_int count; count = 0; while ( isspace(*argument) ) argument++; cEnd = ' '; if ( *argument == '\'' || *argument == '"' ) cEnd = *argument++; while ( *argument != '\0' || ++count >= 255 ) { if ( *argument == cEnd || *argument == '-' ) { argument++; break; } *arg_first = LOWER(*argument); arg_first++; argument++; } *arg_first = '\0'; while ( isspace(*argument) ) argument++; return argument; } void do_timecmd( CHAR_DATA *ch, char *argument ) { struct timeval stime; struct timeval etime; static bool timing; extern CHAR_DATA *timechar; char arg[MAX_INPUT_LENGTH]; send_to_char("Timing\n\r",ch); if ( timing ) return; one_argument(argument, arg); if ( !*arg ) { send_to_char( "No command to time.\n\r", ch ); return; } if ( !str_cmp(arg, "update") ) { if ( timechar ) send_to_char( "Another person is already timing updates.\n\r", ch ); else { timechar = ch; send_to_char( "Setting up to record next update loop.\n\r", ch ); } return; } set_char_color(AT_PLAIN, ch); send_to_char( "Starting timer.\n\r", ch ); timing = TRUE; gettimeofday(&stime, NULL); interpret(ch, argument); gettimeofday(&etime, NULL); timing = FALSE; set_char_color(AT_PLAIN, ch); send_to_char( "Timing complete.\n\r", ch ); subtract_times(&etime, &stime); ch_printf( ch, "Timing took %d.%06d seconds.\n\r", etime.tv_sec, etime.tv_usec ); return; } void start_timer(struct timeval *stime) { if ( !stime ) { bug( "Start_timer: NULL stime.", 0 ); return; } gettimeofday(stime, NULL); return; } time_t end_timer(struct timeval *stime) { struct timeval etime; /* Mark etime before checking stime, so that we get a better reading.. */ gettimeofday(&etime, NULL); if ( !stime || (!stime->tv_sec && !stime->tv_usec) ) { bug( "End_timer: bad stime.", 0 ); return 0; } subtract_times(&etime, stime); /* stime becomes time used */ *stime = etime; return (etime.tv_sec*1000000)+etime.tv_usec; } void send_timer(struct timerset *vtime, CHAR_DATA *ch) { struct timeval ntime; int carry; if ( vtime->num_uses == 0 ) return; ntime.tv_sec = vtime->total_time.tv_sec / vtime->num_uses; carry = (vtime->total_time.tv_sec % vtime->num_uses) * 1000000; ntime.tv_usec = (vtime->total_time.tv_usec + carry) / vtime->num_uses; ch_printf(ch, "Has been used %d times this boot.\n\r", vtime->num_uses); ch_printf(ch, "Time (in secs): min %d.%0.6d; avg: %d.%0.6d; max %d.%0.6d" "\n\r", vtime->min_time.tv_sec, vtime->min_time.tv_usec, ntime.tv_sec, ntime.tv_usec, vtime->max_time.tv_sec, vtime->max_time.tv_usec); return; } void update_userec(struct timeval *time_used, struct timerset *userec) { userec->num_uses++; if ( !timerisset(&userec->min_time) || timercmp(time_used, &userec->min_time, <) ) { userec->min_time.tv_sec = time_used->tv_sec; userec->min_time.tv_usec = time_used->tv_usec; } if ( !timerisset(&userec->max_time) || timercmp(time_used, &userec->max_time, >) ) { userec->max_time.tv_sec = time_used->tv_sec; userec->max_time.tv_usec = time_used->tv_usec; } userec->total_time.tv_sec += time_used->tv_sec; userec->total_time.tv_usec += time_used->tv_usec; while ( userec->total_time.tv_usec >= 1000000 ) { userec->total_time.tv_sec++; userec->total_time.tv_usec -= 1000000; } return; }