/***************************************************************************
* Original Diku Mud copyright (C) 1990, 1991 by Sebastian Hammer, *
* Michael Seifert, Hans Henrik St{rfeldt, Tom Madsen, and Katja Nyboe. *
* *
* Merc Diku Mud improvments copyright (C) 1992, 1993 by Michael *
* Chastain, Michael Quan, and Mitchell Tse. *
* *
* In order to use any part of this Merc Diku Mud, you must comply with *
* both the original Diku license in 'license.doc' as well the Merc *
* license in 'license.txt'. In particular, you may not remove either of *
* these copyright notices. *
* *
* Much time and thought has gone into this software and you are *
* benefitting. We hope that you share your changes too. What goes *
* around, comes around. *
***************************************************************************/
#include <sys/types.h>
#include <stdio.h>
#include <string.h>
#include "merc.h"
/*
* Local functions.
*/
int hit_gain args( ( CHAR_DATA *ch ) );
int mana_gain args( ( CHAR_DATA *ch ) );
int move_gain args( ( CHAR_DATA *ch ) );
void mobile_update args( ( void ) );
void weather_update args( ( void ) );
void char_update args( ( void ) );
void obj_update args( ( void ) );
void aggr_update args( ( void ) );
/*
* Advancement stuff.
*/
void advance_level( CHAR_DATA *ch )
{
char buf[MAX_STRING_LENGTH];
int add_hp;
int add_mana;
int add_move;
int add_prac;
sprintf( buf, "the %s",
title_table [ch->class] [ch->level] [ch->sex == SEX_FEMALE ? 1 : 0] );
free_mem( ch->title );
ch->title = str_dup( buf );
add_hp = con_app[get_curr_con(ch)].hitp + number_range(
class_table[ch->class].hp_min,
class_table[ch->class].hp_max );
add_mana = class_table[ch->class].fMana
? number_range(2, (2*get_curr_int(ch)+get_curr_wis(ch))/8)
: 0;
add_move = number_range( 5, (get_curr_con(ch)+get_curr_dex(ch))/4 );
add_prac = wis_app[get_curr_wis(ch)].practice;
add_hp = MAX( 1, add_hp );
add_mana = MAX( 0, add_mana );
add_move = MAX( 10, add_move );
ch->max_hit += add_hp;
ch->max_mana += add_mana;
ch->max_move += add_move;
ch->practice += add_prac;
if ( !IS_NPC(ch) )
REMOVE_BIT( ch->act, PLR_BOUGHT_PET );
sprintf( buf,
"Your gain is: %d/%d hp, %d/%d m, %d/%d mv %d/%d prac.\n\r",
add_hp, ch->max_hit,
add_mana, ch->max_mana,
add_move, ch->max_move,
add_prac, ch->practice
);
send_to_char( buf, ch );
return;
}
void gain_exp( CHAR_DATA *ch, int gain )
{
if ( IS_NPC(ch) || ch->level >= MAX_LEVEL-4 )
return;
ch->exp = MAX( 1000, ch->exp + gain );
while ( ch->level < MAX_LEVEL-4 && ch->exp >= 1000 * (ch->level+1) )
{
send_to_char( "You raise a level!! ", ch );
ch->level += 1;
advance_level( ch );
}
return;
}
/*
* Regeneration stuff.
*/
int hit_gain( CHAR_DATA *ch )
{
int gain;
if ( IS_NPC(ch) )
{
gain = ch->level * 3 / 2;
}
else
{
gain = MIN( 5, ch->level );
switch ( ch->position )
{
case POS_SLEEPING: gain += get_curr_con(ch); break;
case POS_RESTING: gain += get_curr_con(ch) / 2; break;
}
if ( ch->pcdata->condition[COND_FULL] == 0 )
gain /= 2;
if ( ch->pcdata->condition[COND_THIRST] == 0 )
gain /= 2;
}
if ( IS_AFFECTED(ch, AFF_POISON) )
gain /= 4;
return MIN(gain, ch->max_hit - ch->hit);
}
int mana_gain( CHAR_DATA *ch )
{
int gain;
if ( IS_NPC(ch) )
{
gain = ch->level;
}
else
{
gain = MIN( 5, ch->level / 2 );
switch ( ch->position )
{
case POS_SLEEPING: gain += get_curr_int(ch) * 2; break;
case POS_RESTING: gain += get_curr_int(ch); break;
}
if ( ch->pcdata->condition[COND_FULL] == 0 )
gain /= 2;
if ( ch->pcdata->condition[COND_THIRST] == 0 )
gain /= 2;
}
if ( IS_AFFECTED( ch, AFF_POISON ) )
gain /= 4;
return MIN(gain, ch->max_mana - ch->mana);
}
int move_gain( CHAR_DATA *ch )
{
int gain;
if ( IS_NPC(ch) )
{
gain = ch->level;
}
else
{
gain = MAX( 15, 2 * ch->level );
switch ( ch->position )
{
case POS_SLEEPING: gain += get_curr_dex(ch); break;
case POS_RESTING: gain += get_curr_dex(ch) / 2; break;
}
if ( ch->pcdata->condition[COND_FULL] == 0 )
gain /= 2;
if ( ch->pcdata->condition[COND_THIRST] == 0 )
gain /= 2;
}
if ( IS_AFFECTED(ch, AFF_POISON) )
gain /= 4;
return MIN(gain, ch->max_move - ch->move);
}
void gain_condition( CHAR_DATA *ch, int iCond, int value )
{
int condition;
if ( value == 0 || IS_NPC(ch) || ch->level >= MAX_LEVEL-4 )
return;
condition = ch->pcdata->condition[iCond];
ch->pcdata->condition[iCond] = MAX( 0, MIN(48, condition + value) );
if ( ch->pcdata->condition[iCond] == 0 )
{
switch ( iCond )
{
case COND_FULL:
send_to_char( "You are hungry.\n\r", ch );
break;
case COND_THIRST:
send_to_char( "You are thirsty.\n\r", ch );
break;
case COND_DRUNK:
if ( condition != 0 )
send_to_char( "You are sober.\n\r", ch );
break;
}
}
return;
}
/*
* Mob autonomous action.
* This function takes 25% to 35% of ALL Merc cpu time.
* -- Furey
*/
void mobile_update( void )
{
CHAR_DATA *ch;
CHAR_DATA *ch_next;
int door;
int iexit;
/* Examine all mobs. */
for ( ch = char_list; ch != NULL; ch = ch_next )
{
ch_next = ch->next;
if ( !IS_NPC(ch) )
continue;
/* Examine call for special procedure */
if ( mob_index[ch->rnum].spec_fun != NULL
&& !IS_AFFECTED(ch, AFF_CHARM) )
{
if ( (*mob_index[ch->rnum].spec_fun) ( ch ) )
continue;
}
/* That's all for sleeping / busy monster */
if ( ch->position != POS_STANDING )
continue;
/* Scavenge */
if ( IS_SET(ch->act, ACT_SCAVENGER)
&& room_index[ch->in_room].contents != NULL
&& number_bits( 2 ) == 0 )
{
OBJ_DATA *obj;
OBJ_DATA *obj_best;
int max;
max = 1;
obj_best = 0;
for ( obj = room_index[ch->in_room].contents; obj != NULL;
obj = obj->next_content )
{
if ( CAN_WEAR(obj, ITEM_TAKE) && obj->cost > max )
{
obj_best = obj;
max = obj->cost;
}
}
if ( obj_best )
{
obj_from_room( obj_best );
obj_to_char( obj_best, ch );
act( "$n gets $p.", ch, obj_best, NULL, TO_ROOM );
}
}
/* Wander */
if ( !IS_SET(ch->act, ACT_SENTINEL)
&& ( door = number_bits( 5 ) ) <= 5
&& ( iexit = room_index[ch->in_room].exit[door] ) != 0
&& exit_index[iexit].to_room != NOWHERE
&& !IS_SET(exit_index[iexit].exit_info, EX_CLOSED)
&& !IS_SET(room_index[exit_index[iexit].to_room].room_flags,
ROOM_NO_MOB)
&& ( !IS_SET(ch->act, ACT_STAY_AREA)
|| room_index[exit_index[iexit].to_room].area
== room_index[ch->in_room].area )
)
{
move_char( ch, door );
}
/* Flee */
if ( ch->hit < ch->max_hit / 2
&& ( door = number_bits( 3 ) ) <= 5
&& ( iexit = room_index[ch->in_room].exit[door] ) != 0
&& exit_index[iexit].to_room != NOWHERE
&& !IS_SET(room_index[exit_index[iexit].to_room].room_flags,
ROOM_NO_MOB)
&& !IS_SET(exit_index[iexit].exit_info, EX_CLOSED) )
{
CHAR_DATA *rch;
bool found;
found = FALSE;
for ( rch = room_index[exit_index[iexit].to_room].people; rch;
rch = rch->next_in_room )
{
if ( !IS_NPC(rch) )
{
found = TRUE;
break;
}
}
if ( !found )
move_char( ch, door );
}
}
return;
}
/*
* Update the weather.
*/
void weather_update( void )
{
char buf[MAX_STRING_LENGTH];
DESCRIPTOR_DATA *d;
int diff;
buf[0] = '\0';
switch ( ++time_info.hours )
{
case 5:
weather_info.sunlight = SUN_LIGHT;
strcat( buf, "The day has begun.\n\r" );
break;
case 6:
weather_info.sunlight = SUN_RISE;
strcat( buf, "The sun rises in the east.\n\r" );
break;
case 19:
weather_info.sunlight = SUN_SET;
strcat( buf, "The sun slowly disappears in the west.\n\r" );
break;
case 20:
weather_info.sunlight = SUN_DARK;
strcat( buf, "The night has begun.\n\r" );
break;
case 24:
time_info.hours = 0;
time_info.day++;
break;
}
if ( time_info.day >= 35 )
{
time_info.day = 0;
time_info.month++;
}
if ( time_info.month >= 17 )
{
time_info.month = 0;
time_info.year++;
}
/*
* Weather change.
*/
if ( time_info.month >= 9 && time_info.month <= 16 )
diff = weather_info.mmhg > 985 ? -2 : 2;
else
diff = weather_info.mmhg > 1015 ? -2 : 2;
weather_info.change += diff * dice(1, 4) + dice(2, 6) - dice(2, 6);
weather_info.change = MAX(weather_info.change, -12);
weather_info.change = MIN(weather_info.change, 12);
weather_info.mmhg += weather_info.change;
weather_info.mmhg = MAX(weather_info.mmhg, 960);
weather_info.mmhg = MIN(weather_info.mmhg, 1040);
switch ( weather_info.sky )
{
default:
bug( "Weather_update: bad sky %d.", weather_info.sky );
weather_info.sky = SKY_CLOUDLESS;
break;
case SKY_CLOUDLESS:
if ( weather_info.mmhg < 990
|| ( weather_info.mmhg < 1010 && number_bits( 2 ) == 0 ) )
{
strcat( buf, "The sky is getting cloudy.\n\r" );
weather_info.sky = SKY_CLOUDY;
}
break;
case SKY_CLOUDY:
if ( weather_info.mmhg < 970
|| ( weather_info.mmhg < 990 && number_bits( 2 ) == 0 ) )
{
strcat( buf, "It starts to rain.\n\r" );
weather_info.sky = SKY_RAINING;
}
if ( weather_info.mmhg > 1030 && number_bits( 2 ) == 0 )
{
strcat( buf, "The clouds disappear.\n\r" );
weather_info.sky = SKY_CLOUDLESS;
}
break;
case SKY_RAINING:
if ( weather_info.mmhg < 970 && number_bits( 2 ) == 0 )
{
strcat( buf, "Lightning flashes in the sky.\n\r" );
weather_info.sky = SKY_LIGHTNING;
}
if ( weather_info.mmhg > 1030
|| ( weather_info.mmhg > 1010 && number_bits( 2 ) == 0 ) )
{
strcat( buf, "The rain stopped.\n\r" );
weather_info.sky = SKY_CLOUDY;
}
break;
case SKY_LIGHTNING:
if ( weather_info.mmhg > 1010
|| ( weather_info.mmhg > 990 && number_bits( 2 ) == 0 ) )
{
strcat( buf, "The lightning has stopped.\n\r" );
weather_info.sky = SKY_RAINING;
break;
}
break;
}
if ( buf[0] != '\0' )
{
for ( d = descriptor_list; d != NULL; d = d->next )
{
if ( d->connected == CON_PLAYING
&& IS_OUTSIDE(d->character)
&& IS_AWAKE(d->character) )
send_to_char( buf, d->character );
}
}
return;
}
/*
* Update all chars, including mobs.
* This function is performance sensitive.
*/
void char_update( void )
{
CHAR_DATA *ch;
CHAR_DATA *ch_next;
CHAR_DATA *ch_save;
long save_time;
save_time = current_time;
ch_save = NULL;
for ( ch = char_list; ch != NULL; ch = ch_next )
{
AFFECT_DATA *paf;
AFFECT_DATA *paf_next;
ch_next = ch->next;
/*
* Find dude with oldest save time.
*/
if ( !IS_NPC(ch)
&& ( ch->desc == NULL || ch->desc->connected == CON_PLAYING )
&& ch->level >= 2
&& ch->save_time < save_time )
{
ch_save = ch;
save_time = ch->save_time;
}
if ( ch->position >= POS_STUNNED )
{
if ( ch->hit < ch->max_hit )
ch->hit += hit_gain(ch);
if ( ch->mana < ch->max_mana )
ch->mana += mana_gain(ch);
if ( ch->move < ch->max_move )
ch->move += move_gain(ch);
}
if ( ch->position == POS_STUNNED )
update_pos( ch );
if ( !IS_NPC(ch) && ch->level < MAX_LEVEL-3 )
{
OBJ_DATA *obj;
if ( ( obj = get_eq_char( ch, WEAR_LIGHT ) ) != NULL
&& obj->item_type == ITEM_LIGHT
&& obj->value[2] > 0 )
{
if ( --obj->value[2] == 0 && ch->in_room != NOWHERE )
{
if ( ch->in_room != NOWHERE )
--room_index[ch->in_room].light;
act( "$p goes out.", ch, obj, NULL, TO_ROOM );
act( "$p goes out.", ch, obj, NULL, TO_CHAR );
extract_obj( obj );
}
}
if ( ++ch->timer >= 12 )
{
if ( ch->was_in_room == NOWHERE && ch->in_room != NOWHERE )
{
ch->was_in_room = ch->in_room;
if ( ch->fighting != NULL )
stop_fighting( ch, TRUE );
act( "$n disappears into the void.",
ch, NULL, NULL, TO_ROOM );
send_to_char( "You disappear into the void.\n\r", ch );
save_char_obj( ch );
char_from_room( ch );
char_to_room( ch, real_room( ROOM_VNUM_LIMBO ) );
}
}
if ( ch->timer > 30 )
do_quit( ch, "" );
gain_condition( ch, COND_DRUNK, -1 );
gain_condition( ch, COND_FULL, -1 );
gain_condition( ch, COND_THIRST, -1 );
}
for ( paf = ch->affected; paf != NULL; paf = paf_next )
{
paf_next = paf->next;
if ( paf->duration > 0 )
paf->duration--;
else if ( paf->duration < 0 )
;
else
{
if ( paf_next == NULL
|| paf_next->type != paf->type
|| paf_next->duration > 0 )
{
if ( paf->type > 0 && skill_table[paf->type].msg_off )
{
send_to_char( skill_table[paf->type].msg_off, ch );
send_to_char( "\n\r", ch );
}
}
affect_remove( ch, paf );
}
}
/*
* Careful with the damages here,
* MUST NOT refer to ch after damage taken,
* as it may be lethal damage (on NPC).
*/
if ( IS_AFFECTED(ch, AFF_POISON) )
{
act( "$n shivers and suffers.", ch, NULL, NULL, TO_ROOM );
send_to_char( "You shiver and suffer.\n\r", ch );
damage( ch, ch, 2, gsn_poison );
}
else if ( ch->position == POS_INCAP )
{
damage( ch, ch, 1, TYPE_UNDEFINED );
}
else if ( ch->position == POS_MORTAL )
{
damage( ch, ch, 2, TYPE_UNDEFINED );
}
}
if ( ch_save != NULL )
save_char_obj( ch_save );
return;
}
/*
* Update all objs.
* This function is performance sensitive.
*/
void obj_update( void )
{
OBJ_DATA *obj;
OBJ_DATA *obj_next;
for ( obj = object_list; obj != NULL; obj = obj_next )
{
CHAR_DATA *rch;
char *message;
obj_next = obj->next;
if ( obj->timer <= 0 || --obj->timer > 0 )
continue;
switch ( obj->item_type )
{
default: message = "$p vanishes."; break;
case ITEM_FOUNTAIN: message = "$p dries up."; break;
case ITEM_CORPSE_NPC: message = "$p decays into dust."; break;
case ITEM_CORPSE_PC: message = "$p decays into dust."; break;
case ITEM_FOOD: message = "$p decomposes."; break;
}
if ( obj->carried_by != NULL )
{
act( message, obj->carried_by, obj, NULL, TO_CHAR );
}
else if ( obj->in_room != NOWHERE
&& ( rch = room_index[obj->in_room].people ) != NULL )
{
act( message, rch, obj, NULL, TO_ROOM );
act( message, rch, obj, NULL, TO_CHAR );
}
extract_obj( obj );
}
return;
}
/*
* Aggress.
* This function takes 25% to 35% of ALL Merc cpu time.
* -- Furey
*/
void aggr_update( void )
{
CHAR_DATA *wch;
CHAR_DATA *wch_next;
CHAR_DATA *ch;
CHAR_DATA *ch_next;
CHAR_DATA *vch;
CHAR_DATA *vch_next;
CHAR_DATA *victim;
for ( wch = char_list; wch != NULL; wch = wch_next )
{
wch_next = wch->next;
if ( IS_NPC(wch)
|| wch->level >= MAX_LEVEL-3
|| wch->in_room == NOWHERE )
continue;
for ( ch = room_index[wch->in_room].people; ch != NULL; ch = ch_next )
{
int count;
ch_next = ch->next_in_room;
if ( !IS_NPC(ch)
|| !IS_SET(ch->act, ACT_AGGRESSIVE)
|| ch->fighting != NULL
|| IS_AFFECTED(ch, AFF_CHARM)
|| !IS_AWAKE(ch)
|| ( IS_SET(ch->act, ACT_WIMPY) && IS_AWAKE(wch) )
|| !can_see( ch, wch ) )
continue;
/*
* Ok we have a 'wch' player character and a 'ch' npc aggressor.
* Now make the aggressor fight a RANDOM pc victim in the room,
* giving each 'vch' an equal chance of selection.
*/
count = 0;
victim = NULL;
for ( vch = room_index[wch->in_room].people; vch; vch = vch_next )
{
vch_next = vch->next_in_room;
if ( !IS_NPC(vch)
&& vch->level < MAX_LEVEL-3
&& ( !IS_SET(ch->act, ACT_WIMPY) || !IS_AWAKE(vch) )
&& can_see( ch, vch ) )
{
if ( number_range( 0, count ) == 0 )
victim = vch;
count++;
}
}
if ( victim == NULL )
{
bug( "Aggr_update: null victim.", count );
continue;
}
multi_hit( ch, victim, TYPE_UNDEFINED );
}
}
return;
}
/*
* Handle all kinds of updates.
* Called once per pulse from game loop.
* Random times to defeat tick-timing clients and players.
*/
void update_handler( void )
{
static int pulse_area;
static int pulse_mobile;
static int pulse_violence;
static int pulse_point;
if ( --pulse_area <= 0 )
{
pulse_area = number_range( PULSE_AREA / 2, 3 * PULSE_AREA / 2 );
area_update ( );
}
if ( --pulse_mobile <= 0 )
{
pulse_mobile = PULSE_MOBILE;
mobile_update ( );
}
if ( --pulse_violence <= 0 )
{
pulse_violence = PULSE_VIOLENCE;
violence_update ( );
}
if ( --pulse_point <= 0 )
{
pulse_point = number_range( PULSE_TICK / 2, 3 * PULSE_TICK / 2 );
weather_update ( );
char_update ( );
obj_update ( );
}
aggr_update( );
tail_chain( );
return;
}