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dg_scripts.c
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dg_scripts.c
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/**
* @file dg_scripts.c
* Contains the main script driver interface.
*
* Part of the core tbaMUD source code distribution, which is a derivative
* of, and continuation of, CircleMUD.
*
* This source code, which was not part of the CircleMUD legacy code,
* was created by the following people:
* $Author: Mark A. Heilpern/egreen/Welcor $
* $Date: 2004/10/11 12:07:00$
* $Revision: 1.0.14 $
*/
#include "conf.h"
#include "sysdep.h"
#include "structs.h"
#include "dg_scripts.h"
#include "utils.h"
#include "comm.h"
#include "interpreter.h"
#include "handler.h"
#include "dg_event.h"
#include "db.h"
#include "screen.h"
#include "constants.h"
#include "spells.h"
#include "oasis.h"
#include "genzon.h" /* for real_zone_by_thing */
#include "act.h"
#include "modify.h"
#define PULSES_PER_MUD_HOUR (SECS_PER_MUD_HOUR*PASSES_PER_SEC)
/* Local functions not used elsewhere */
static obj_data *find_obj(long n);
static room_data *find_room(long n);
static void do_stat_trigger(struct char_data *ch, trig_data *trig);
static void script_stat(char_data *ch, struct script_data *sc);
static int remove_trigger(struct script_data *sc, char *name);
static int is_num(char *arg);
static void eval_op(char *op, char *lhs, char *rhs, char *result, void *go,
struct script_data *sc, trig_data *trig);
static char *matching_paren(char *p);
static void eval_expr(char *line, char *result, void *go, struct script_data *sc,
trig_data *trig, int type);
static int eval_lhs_op_rhs(char *expr, char *result, void *go, struct script_data *sc,
trig_data *trig, int type);
static int process_if(char *cond, void *go, struct script_data *sc,
trig_data *trig, int type);
static struct cmdlist_element *find_end(trig_data *trig, struct cmdlist_element *cl);
static struct cmdlist_element *find_else_end(trig_data *trig,
struct cmdlist_element *cl, void *go, struct script_data *sc, int type);
static void process_wait(void *go, trig_data *trig, int type, char *cmd,
struct cmdlist_element *cl);
static void process_set(struct script_data *sc, trig_data *trig, char *cmd);
static void process_attach(void *go, struct script_data *sc, trig_data *trig,
int type, char *cmd);
static void process_detach(void *go, struct script_data *sc, trig_data *trig,
int type, char *cmd);
static void makeuid_var(void *go, struct script_data *sc, trig_data *trig,
int type, char *cmd);
static int process_return(trig_data *trig, char *cmd);
static void process_unset(struct script_data *sc, trig_data *trig, char *cmd);
static void process_remote(struct script_data *sc, trig_data *trig, char *cmd);
static void process_rdelete(struct script_data *sc, trig_data *trig, char *cmd);
static void process_global(struct script_data *sc, trig_data *trig, char *cmd, long id);
static void process_context(struct script_data *sc, trig_data *trig, char *cmd);
static void extract_value(struct script_data *sc, trig_data *trig, char *cmd);
static void dg_letter_value(struct script_data *sc, trig_data *trig, char *cmd);
static struct cmdlist_element * find_case(struct trig_data *trig, struct cmdlist_element *cl,
void *go, struct script_data *sc, int type, char *cond);
static struct cmdlist_element *find_done(struct cmdlist_element *cl);
static struct char_data *find_char_by_uid_in_lookup_table(long uid);
static struct obj_data *find_obj_by_uid_in_lookup_table(long uid);
static EVENTFUNC(trig_wait_event);
/* Return pointer to first occurrence of string ct in cs, or NULL if not
* present. Case insensitive. All of ct must be found in cs for it to be
* a match.
* @todo Move this function to string util library.
* @param cs The string to search.
* @param ct What to search for in cs.
* @retval char * NULL if ct is not a substring of cs, or pointer to the
* location in cs where substring ct begins. */
char *str_str(char *cs, char *ct)
{
char *s, *t;
if (!cs || !ct || !*ct)
return NULL;
while (*cs) {
t = ct;
while (*cs && (LOWER(*cs) != LOWER(*t)))
cs++;
s = cs;
while (*t && *cs && (LOWER(*cs) == LOWER(*t))) {
t++;
cs++;
}
/* If there we haven reached the end of ct via t,
* then the whole string was found. */
if (!*t)
return s;
}
return NULL;
}
/** Returns the number of people in a room.
* @param vnum The virtual number of a room.
* @retval int Returns -1 if the room does not exist, or the total number of
* PCs and NPCs in the room. */
int trgvar_in_room(room_vnum vnum)
{
room_rnum rnum = real_room(vnum);
int i = 0;
char_data *ch;
if (rnum == NOWHERE) {
script_log("people.vnum: world[rnum] does not exist");
return (-1);
}
for (ch = world[rnum].people; ch !=NULL; ch = ch->next_in_room)
i++;
return i;
}
/** Find out if an object is within a list of objects.
* @param name Either the unique id of an object or a string identifying the
* object. Note the unique id must be prefixed with UID_CHAR.
* @param list The list of objects to look through.
* @retval obj_data * Pointer to the object if it is found in the list of
* objects, NULL if the object is not found in the list.
*/
obj_data *get_obj_in_list(char *name, obj_data *list)
{
obj_data *i;
long id;
if (*name == UID_CHAR){
id = atoi(name + 1);
for (i = list; i; i = i->next_content)
if (id == GET_ID(i))
return i;
} else {
for (i = list; i; i = i->next_content)
if (isname(name, i->name))
return i;
}
return NULL;
}
/** Find out if an NPC or PC is carrying an object.
* @param ch Pointer to the NPC/PC to search through.
* @param name String describing either the name of the object or the unique
* id of the object. Note the unique id must be prefixed with UID_CHAR.
* @retval obj_data * Either a pointer to the first object found that matches
* the name argument, or the NULL if the object isn't found.
*/
obj_data *get_object_in_equip(char_data * ch, char *name)
{
int j, n = 0, number;
obj_data *obj;
char tmpname[MAX_INPUT_LENGTH];
char *tmp = tmpname;
long id;
if (*name == UID_CHAR) {
id = atoi(name + 1);
for (j = 0; j < NUM_WEARS; j++)
if ((obj = GET_EQ(ch, j)))
if (id == GET_ID(obj))
return (obj);
} else if (is_number(name)) {
obj_vnum ovnum = atoi(name);
for (j = 0; j < NUM_WEARS; j++)
if ((obj = GET_EQ(ch, j)))
if (GET_OBJ_VNUM(obj) == ovnum)
return (obj);
} else {
snprintf(tmpname, sizeof(tmpname), "%s", name);
if (!(number = get_number(&tmp)))
return NULL;
for (j = 0; (j < NUM_WEARS) && (n <= number); j++)
if ((obj = GET_EQ(ch, j)))
if (isname(tmp, obj->name))
if (++n == number)
return (obj);
}
return NULL;
}
/** Figures out if the argument is a valid location to 'wear' equipment.
* Handles 'held', 'light' and 'wield' positions - Welcor. After idea from
* Byron Ellacott.
* @param arg Either the name of the position, or the number of a wear
* location definition to check for.
* @retval int If arg is not a valid wear location name or number, return
* -1, else return the defined number of the wear location.
*/
int find_eq_pos_script(char *arg)
{
int i;
struct eq_pos_list {
const char *pos;
int where;
} eq_pos[] = {
{"hold", WEAR_HOLD_1},
{"held", WEAR_HOLD_1},
{"hold1", WEAR_HOLD_1},
{"held1", WEAR_HOLD_1},
{"hold2", WEAR_HOLD_2},
{"held2", WEAR_HOLD_2},
{"hold2h", WEAR_HOLD_2H},
{"held2h", WEAR_HOLD_2H},
{"light", WEAR_LIGHT},
{"wield", WEAR_WIELD_1},
{"wield1", WEAR_WIELD_1},
{"wield2", WEAR_WIELD_2},
{"wield2h", WEAR_WIELD_2H},
{"rfinger", WEAR_FINGER_R},
{"lfinger", WEAR_FINGER_L},
{"neck1", WEAR_NECK_1},
{"neck2", WEAR_NECK_2},
{"body", WEAR_BODY},
{"head", WEAR_HEAD},
{"legs", WEAR_LEGS},
{"feet", WEAR_FEET},
{"hands", WEAR_HANDS},
{"arms", WEAR_ARMS},
{"shield", WEAR_SHIELD},
{"about", WEAR_ABOUT},
{"waist", WEAR_WAIST},
{"rwrist", WEAR_WRIST_R},
{"lwrist", WEAR_WRIST_L},
{"none", -1}
};
if (is_number(arg) && (i = atoi(arg)) >= 0 && i < NUM_WEARS)
return i;
for (i = 0;eq_pos[i].where != -1;i++) {
if (!str_cmp(eq_pos[i].pos, arg))
return eq_pos[i].where;
}
return (-1);
}
/** Figures out if an object can be worn on a defined wear location.
* @param obj The object to check.
* @param pos The defined wear location to check.
* @retval int TRUE if obj can be worn on pos, FALSE if not.
*/
int can_wear_on_pos(struct obj_data *obj, int pos)
{
switch (pos) {
case WEAR_HOLD_1:
case WEAR_HOLD_2:
case WEAR_HOLD_2H:
case WEAR_LIGHT: return CAN_WEAR(obj, ITEM_WEAR_HOLD);
case WEAR_WIELD_1:
case WEAR_WIELD_2H:
case WEAR_WIELD_2: return CAN_WEAR(obj, ITEM_WEAR_WIELD);
case WEAR_FINGER_R:
case WEAR_FINGER_L: return CAN_WEAR(obj, ITEM_WEAR_FINGER);
case WEAR_NECK_1:
case WEAR_NECK_2: return CAN_WEAR(obj, ITEM_WEAR_NECK);
case WEAR_BODY: return CAN_WEAR(obj, ITEM_WEAR_BODY);
case WEAR_HEAD: return CAN_WEAR(obj, ITEM_WEAR_HEAD);
case WEAR_LEGS: return CAN_WEAR(obj, ITEM_WEAR_LEGS);
case WEAR_FEET: return CAN_WEAR(obj, ITEM_WEAR_FEET);
case WEAR_HANDS: return CAN_WEAR(obj, ITEM_WEAR_HANDS);
case WEAR_ARMS: return CAN_WEAR(obj, ITEM_WEAR_ARMS);
case WEAR_SHIELD: return CAN_WEAR(obj, ITEM_WEAR_SHIELD);
case WEAR_ABOUT: return CAN_WEAR(obj, ITEM_WEAR_ABOUT);
case WEAR_WAIST: return CAN_WEAR(obj, ITEM_WEAR_WAIST);
case WEAR_WRIST_R:
case WEAR_WRIST_L: return CAN_WEAR(obj, ITEM_WEAR_WRIST);
default: return FALSE;
}
}
/** Search for an NPC or PC by number routines.
* @param n The unique ID (PC or NPC) to look for.
* @retval char_data * Pointer to the character structure if it exists, or NULL
* if it cannot be found.
*/
struct char_data *find_char(long n)
{
if (n>=ROOM_ID_BASE) /* See note in dg_scripts.h */
return NULL;
return find_char_by_uid_in_lookup_table(n);
}
/** Search for an object by number routines.
* @param n The unique ID to look for.
* @retval obj_data * Pointer to the object if it exists, or NULL if it cannot
* be found.
*/
static obj_data *find_obj(long n)
{
if (n < OBJ_ID_BASE) /* see note in dg_scripts.h */
return NULL;
return find_obj_by_uid_in_lookup_table(n);
}
/* Search for a room with UID n.
* @param n the Unique ID to look for.
* @retval room_data * Pointer to the room if it exists, or NULL if it cannot
* be found.
*/
static room_data *find_room(long n)
{
room_rnum rnum;
n -= ROOM_ID_BASE;
if (n<0)
return NULL;
rnum = real_room((room_vnum)n);
if (rnum != NOWHERE)
return &world[rnum];
return NULL;
}
/* Generic searches based only on name. */
/** Search the entire world for an NPC or PC by name.
* @param name String describing the name or the unique id of the char.
* Note the unique id must be prefixed with UID_CHAR.
* @retval char_data * Pointer to the char or NULL if char is not found. */
char_data *get_char(char *name)
{
char_data *i;
if (*name == UID_CHAR) {
i = find_char(atoi(name + 1));
if (i && valid_dg_target(i, DG_ALLOW_STAFFS))
return i;
} else {
for (i = character_list; i; i = i->next)
if (isname(name, i->player.name) &&
valid_dg_target(i, DG_ALLOW_STAFFS))
return i;
}
return NULL;
}
/** Find a character by name in the same room as a known object.
* @todo Should this function not be constrained to the same room as an object
* if 'name' is a unique id?
* @param obj An object that will constrain the search to the location that
* the object is in *if* the name argument is not a unique id.
* @param name Character name keyword to search for, or unique ID. Unique
* id must be prefixed with UID_CHAR.
* @retval char_data * Pointer to the the char if found, NULL if not. Will
* only find god characters if DG_ALLOW_STAFFS is on. */
char_data *get_char_near_obj(obj_data *obj, char *name)
{
char_data *ch;
if (*name == UID_CHAR) {
ch = find_char(atoi(name + 1));
if (ch && valid_dg_target(ch, DG_ALLOW_STAFFS))
return ch;
} else {
room_rnum num;
if ((num = obj_room(obj)) != NOWHERE)
for (ch = world[num].people; ch; ch = ch->next_in_room)
if (isname(name, ch->player.name) &&
valid_dg_target(ch, DG_ALLOW_STAFFS))
return ch;
}
return NULL;
}
/** Find a character by name in a specific room.
* @todo Should this function not be constrained to the room
* if 'name' is a unique id?
* @param room A room that will constrain the search to that location
* *if* the name argument is not a unique id.
* @param name Character name keyword to search for, or unique ID. Unique
* id must be prefixed with UID_CHAR.
* @retval char_data * Pointer to the the char if found, NULL if not. Will
* only find god characters if DG_ALLOW_STAFFS is on. */
char_data *get_char_in_room(room_data *room, char *name)
{
char_data *ch;
if (*name == UID_CHAR) {
ch = find_char(atoi(name + 1));
if (ch && valid_dg_target(ch, DG_ALLOW_STAFFS))
return ch;
} else {
for (ch = room->people; ch; ch = ch->next_in_room)
if (isname(name, ch->player.name) &&
valid_dg_target(ch, DG_ALLOW_STAFFS))
return ch;
}
return NULL;
}
/** Find a named object near another object (either in the same room, as
* a container or contained by).
* @param obj The obj with which to constrain the search.
* @param name The keyword of the object to search for. If 'self' or 'me'
* are passed in as arguments, obj is returned. Can also be a unique object
* id, and if so it must be prefixed with UID_CHAR.
* @retval obj_data * Pointer to the object if found, NULL if not. */
obj_data *get_obj_near_obj(obj_data *obj, char *name)
{
obj_data *i = NULL;
char_data *ch;
int rm;
long id;
if (!str_cmp(name, "self") || !str_cmp(name, "me"))
return obj;
/* is it inside ? */
if (obj->contains && (i = get_obj_in_list(name, obj->contains)))
return i;
/* or outside ? */
if (obj->in_obj) {
if (*name == UID_CHAR) {
id = atoi(name + 1);
if (id == GET_ID(obj->in_obj))
return obj->in_obj;
} else if (isname(name, obj->in_obj->name))
return obj->in_obj;
}
/* or worn ?*/
else if (obj->worn_by && (i = get_object_in_equip(obj->worn_by, name)))
return i;
/* or carried ? */
else if (obj->carried_by &&
(i = get_obj_in_list(name, obj->carried_by->carrying)))
return i;
else if ((rm = obj_room(obj)) != NOWHERE) {
/* check the floor */
if ((i = get_obj_in_list(name, world[rm].contents)))
return i;
/* check peoples' inventory */
for (ch = world[rm].people;ch ; ch = ch->next_in_room)
if ((i = get_object_in_equip(ch, name)))
return i;
}
return NULL;
}
/* returns the object in the world with name name, or NULL if not found */
obj_data *get_obj(char *name)
{
obj_data *obj;
if (*name == UID_CHAR)
return find_obj(atoi(name + 1));
else {
for (obj = object_list; obj; obj = obj->next)
if (isname(name, obj->name))
return obj;
}
return NULL;
}
/* finds room by id or vnum. returns NULL if not found */
room_data *get_room(char *name)
{
room_rnum nr;
if (*name == UID_CHAR)
return find_room(atoi(name + 1));
else if ((nr = real_room(atoi(name))) == NOWHERE)
return NULL;
else
return &world[nr];
}
/* Returns a pointer to the first character in world by name name, or NULL if
* none found. Starts searching with the person owing the object. */
char_data *get_char_by_obj(obj_data *obj, char *name)
{
char_data *ch;
if (*name == UID_CHAR) {
ch = find_char(atoi(name + 1));
if (ch && valid_dg_target(ch, DG_ALLOW_STAFFS))
return ch;
} else {
if (obj->carried_by &&
isname(name, obj->carried_by->player.name) &&
valid_dg_target(obj->carried_by, DG_ALLOW_STAFFS))
return obj->carried_by;
if (obj->worn_by &&
isname(name, obj->worn_by->player.name) &&
valid_dg_target(obj->worn_by, DG_ALLOW_STAFFS))
return obj->worn_by;
for (ch = character_list; ch; ch = ch->next)
if (isname(name, ch->player.name) &&
valid_dg_target(ch, DG_ALLOW_STAFFS))
return ch;
}
return NULL;
}
/* Returns a pointer to the first character in world by name name, or NULL if
* none found. Starts searching in room room first. */
char_data *get_char_by_room(room_data *room, char *name)
{
char_data *ch;
if (*name == UID_CHAR) {
ch = find_char(atoi(name + 1));
if (ch && valid_dg_target(ch, DG_ALLOW_STAFFS))
return ch;
} else {
for (ch = room->people; ch; ch = ch->next_in_room)
if (isname(name, ch->player.name) &&
valid_dg_target(ch, DG_ALLOW_STAFFS))
return ch;
for (ch = character_list; ch; ch = ch->next)
if (isname(name, ch->player.name) &&
valid_dg_target(ch, DG_ALLOW_STAFFS))
return ch;
}
return NULL;
}
/* Returns the object in the world with name name, or NULL if not found search
* based on obj. */
obj_data *get_obj_by_obj(obj_data *obj, char *name)
{
obj_data *i = NULL;
int rm;
if (*name == UID_CHAR)
return find_obj(atoi(name + 1));
if (!str_cmp(name, "self") || !str_cmp(name, "me"))
return obj;
if (obj->contains && (i = get_obj_in_list(name, obj->contains)))
return i;
if (obj->in_obj && isname(name, obj->in_obj->name))
return obj->in_obj;
if (obj->worn_by && (i = get_object_in_equip(obj->worn_by, name)))
return i;
if (obj->carried_by &&
(i = get_obj_in_list(name, obj->carried_by->carrying)))
return i;
if (((rm = obj_room(obj)) != NOWHERE) &&
(i = get_obj_in_list(name, world[rm].contents)))
return i;
return get_obj(name);
}
/* only searches the room */
obj_data *get_obj_in_room(room_data *room, char *name)
{
obj_data *obj;
long id;
if (*name == UID_CHAR) {
id = atoi(name + 1);
for (obj = room->contents; obj; obj = obj->next_content)
if (id == GET_ID(obj))
return obj;
} else {
for (obj = room->contents; obj; obj = obj->next_content)
if (isname(name, obj->name))
return obj;
}
return NULL;
}
/* returns obj with name - searches room, then world */
obj_data *get_obj_by_room(room_data *room, char *name)
{
obj_data *obj;
if (*name == UID_CHAR)
return find_obj(atoi(name+1));
for (obj = room->contents; obj; obj = obj->next_content)
if (isname(name, obj->name))
return obj;
for (obj = object_list; obj; obj = obj->next)
if (isname(name, obj->name))
return obj;
return NULL;
}
/* checks every PULSE_SCRIPT for random triggers */
void script_trigger_check(void)
{
char_data *ch;
obj_data *obj;
struct room_data *room=NULL;
int nr;
struct script_data *sc;
for (ch = character_list; ch; ch = ch->next) {
if (SCRIPT(ch)) {
sc = SCRIPT(ch);
if (IS_SET(SCRIPT_TYPES(sc), WTRIG_RANDOM) &&
(!is_empty(world[IN_ROOM(ch)].zone) ||
IS_SET(SCRIPT_TYPES(sc), WTRIG_GLOBAL)))
random_mtrigger(ch);
}
}
for (obj = object_list; obj; obj = obj->next) {
if (SCRIPT(obj)) {
sc = SCRIPT(obj);
if (IS_SET(SCRIPT_TYPES(sc), OTRIG_RANDOM))
random_otrigger(obj);
}
}
for (nr = 0; nr <= top_of_world; nr++) {
if (SCRIPT(&world[nr])) {
room = &world[nr];
sc = SCRIPT(room);
if (IS_SET(SCRIPT_TYPES(sc), WTRIG_RANDOM) &&
(!is_empty(room->zone) ||
IS_SET(SCRIPT_TYPES(sc), WTRIG_GLOBAL)))
random_wtrigger(room);
}
}
}
void check_time_triggers(void)
{
char_data *ch;
obj_data *obj;
struct room_data *room=NULL;
int nr;
struct script_data *sc;
for (ch = character_list; ch; ch = ch->next) {
if (SCRIPT(ch)) {
sc = SCRIPT(ch);
if (IS_SET(SCRIPT_TYPES(sc), WTRIG_TIME) &&
(!is_empty(world[IN_ROOM(ch)].zone) ||
IS_SET(SCRIPT_TYPES(sc), WTRIG_GLOBAL)))
time_mtrigger(ch);
}
}
for (obj = object_list; obj; obj = obj->next) {
if (SCRIPT(obj)) {
sc = SCRIPT(obj);
if (IS_SET(SCRIPT_TYPES(sc), OTRIG_TIME))
time_otrigger(obj);
}
}
for (nr = 0; nr <= top_of_world; nr++) {
if (SCRIPT(&world[nr])) {
room = &world[nr];
sc = SCRIPT(room);
if (IS_SET(SCRIPT_TYPES(sc), WTRIG_TIME) &&
(!is_empty(room->zone) ||
IS_SET(SCRIPT_TYPES(sc), WTRIG_GLOBAL)))
time_wtrigger(room);
}
}
}
static EVENTFUNC(trig_wait_event)
{
struct wait_event_data *wait_event_obj = (struct wait_event_data *)event_obj;
trig_data *trig;
void *go;
int type;
trig = wait_event_obj->trigger;
go = wait_event_obj->go;
type = wait_event_obj->type;
free(wait_event_obj);
GET_TRIG_WAIT(trig) = NULL;
#if 1 /* debugging */
{
int found = FALSE;
if (type == MOB_TRIGGER) {
struct char_data *tch;
for (tch = character_list;tch && !found;tch = tch->next)
if (tch == (struct char_data *)go)
found = TRUE;
} else if (type == OBJ_TRIGGER) {
struct obj_data *obj;
for (obj = object_list;obj && !found;obj = obj->next)
if (obj == (struct obj_data *)go)
found = TRUE;
} else {
room_rnum i;
for (i = 0;i<top_of_world && !found;i++)
if (&world[i] == (struct room_data *)go)
found = TRUE;
}
if (!found) {
log("Trigger restarted on unknown entity. Vnum: %d", GET_TRIG_VNUM(trig));
log("Type: %s trigger", type==MOB_TRIGGER ? "Mob" : type == OBJ_TRIGGER ? "Obj" : "Room");
log("attached %d places", trig_index[trig->nr]->number);
script_log("Trigger restart attempt on unknown entity.");
return 0;
}
}
#endif
script_driver(&go, trig, type, TRIG_RESTART);
/* Do not reenqueue*/
return 0;
}
static void do_stat_trigger(struct char_data *ch, trig_data *trig)
{
struct cmdlist_element *cmd_list;
char sb[MAX_STRING_LENGTH], buf[MAX_STRING_LENGTH];
int len = 0;
if (!trig)
{
log("SYSERR: NULL trigger passed to do_stat_trigger.");
return;
}
len += snprintf(sb, sizeof(sb), "Name: '%s%s%s', VNum: [%s%5d%s], RNum: [%5d]\r\n",
CCYEL(ch, C_NRM), GET_TRIG_NAME(trig), CCNRM(ch, C_NRM),
CCGRN(ch, C_NRM), GET_TRIG_VNUM(trig), CCNRM(ch, C_NRM),
GET_TRIG_RNUM(trig));
if (trig->attach_type==OBJ_TRIGGER) {
len += snprintf(sb + len, sizeof(sb)-len, "Trigger Intended Assignment: Objects\r\n");
sprintbit(GET_TRIG_TYPE(trig), otrig_types, buf, sizeof(buf));
} else if (trig->attach_type==WLD_TRIGGER) {
len += snprintf(sb + len, sizeof(sb)-len, "Trigger Intended Assignment: Rooms\r\n");
sprintbit(GET_TRIG_TYPE(trig), wtrig_types, buf, sizeof(buf));
} else {
len += snprintf(sb + len, sizeof(sb)-len, "Trigger Intended Assignment: Mobiles\r\n");
sprintbit(GET_TRIG_TYPE(trig), trig_types, buf, sizeof(buf));
}
len += snprintf(sb + len, sizeof(sb)-len, "Trigger Type: %s, Numeric Arg: %d, Arg list: %s\r\n",
buf, GET_TRIG_NARG(trig),
((GET_TRIG_ARG(trig) && *GET_TRIG_ARG(trig))
? GET_TRIG_ARG(trig) : "None"));
len += snprintf(sb + len, sizeof(sb)-len, "Commands:\r\n");
cmd_list = trig->cmdlist;
while (cmd_list) {
if (cmd_list->cmd)
len += snprintf(sb + len, sizeof(sb)-len, "%s\r\n", cmd_list->cmd);
if (len>MAX_STRING_LENGTH-80) {
len += snprintf(sb + len, sizeof(sb)-len, "*** Overflow - script too long! ***\r\n");
break;
}
cmd_list = cmd_list->next;
}
page_string(ch->desc, sb, 1);
}
/* find the name of what the uid points to */
void find_uid_name(char *uid, char *name, size_t nlen)
{
char_data *ch;
obj_data *obj;
if ((ch = get_char(uid)))
snprintf(name, nlen, "%s", ch->player.name);
else if ((obj = get_obj(uid)))
snprintf(name, nlen, "%s", obj->name);
else
snprintf(name, nlen, "uid = %s, (not found)", uid + 1);
}
/* general function to display stats on script sc */
static void script_stat(char_data *ch, struct script_data *sc)
{
struct trig_var_data *tv;
trig_data *t;
char name[MAX_INPUT_LENGTH];
char namebuf[512];
char buf1[MAX_STRING_LENGTH];
send_to_char(ch, "\tCGlobal Variables:\tn %s\r\n", sc->global_vars ? "" : "None");
send_to_char(ch, "\tCGlobal context:\tn %ld\r\n", sc->context);
for (tv = sc->global_vars; tv; tv = tv->next) {
snprintf(namebuf, sizeof(namebuf), "%s:%ld", tv->name, tv->context);
if (*(tv->value) == UID_CHAR) {
find_uid_name(tv->value, name, sizeof(name));
send_to_char(ch, " %15s: %s\r\n", tv->context?namebuf:tv->name, name);
} else
send_to_char(ch, " %15s: %s\r\n", tv->context?namebuf:tv->name, tv->value);
}
for (t = TRIGGERS(sc); t; t = t->next) {
send_to_char(ch, "\r\n \tCTrigger:\tn %s, \tCVNum: [\tn%5d\tC], RNum: [\tn%5d\tC]\tn\r\n",
GET_TRIG_NAME(t), GET_TRIG_VNUM(t), GET_TRIG_RNUM(t));
if (t->attach_type==OBJ_TRIGGER) {
send_to_char(ch, " \tCTrigger Intended Assignment: Objects\tn\r\n");
sprintbit(GET_TRIG_TYPE(t), otrig_types, buf1, sizeof(buf1));
} else if (t->attach_type==WLD_TRIGGER) {
send_to_char(ch, " \tCTrigger Intended Assignment: Rooms\tn\r\n");
sprintbit(GET_TRIG_TYPE(t), wtrig_types, buf1, sizeof(buf1));
} else {
send_to_char(ch, " \tCTrigger Intended Assignment: Mobiles\tn\r\n");
sprintbit(GET_TRIG_TYPE(t), trig_types, buf1, sizeof(buf1));
}
send_to_char(ch, " \tCTrigger Type: \tn%s\tC, Numeric Arg: \tn%d\tC, Arg list:\tn %s\r\n",
buf1, GET_TRIG_NARG(t),
((GET_TRIG_ARG(t) && *GET_TRIG_ARG(t)) ? GET_TRIG_ARG(t) :
"None"));
if (GET_TRIG_WAIT(t)) {
send_to_char(ch, " \tCWait:\tn %ld\tC, Current line: \tn%s\r\n",
event_time(GET_TRIG_WAIT(t)),
t->curr_state ? t->curr_state->cmd : "End of Script");
send_to_char(ch, " \tCVariables: \tn%s\r\n", GET_TRIG_VARS(t) ? "" : "None");
for (tv = GET_TRIG_VARS(t); tv; tv = tv->next) {
if (*(tv->value) == UID_CHAR) {
find_uid_name(tv->value, name, sizeof(name));
send_to_char(ch, " %15s: %s\r\n", tv->name, name);
} else
send_to_char(ch, " %15s: %s\r\n", tv->name, tv->value);
}
}
}
}
void do_sstat_room(struct char_data * ch, struct room_data *rm)
{
send_to_char(ch, "Triggers:\r\n");
if (!SCRIPT(rm)) {
send_to_char(ch, " None.\r\n");
return;
}
script_stat(ch, SCRIPT(rm));
}
void do_sstat_object(char_data *ch, obj_data *j)
{
send_to_char(ch, "Triggers:\r\n");
if (!SCRIPT(j)) {
send_to_char(ch, " None.\r\n");
return;
}
script_stat(ch, SCRIPT(j));
}
void do_sstat_character(char_data *ch, char_data *k)
{
send_to_char(ch, "\tCTriggers:\tn\r\n");
if (!SCRIPT(k)) {
send_to_char(ch, " None.\r\n");
return;
}
script_stat(ch, SCRIPT(k));
}
/* Adds the trigger t to script sc in in location loc. loc = -1 means add to
* the end, loc = 0 means add before all other triggers. */
void add_trigger(struct script_data *sc, trig_data *t, int loc)
{
trig_data *i;
int n;
for (n = loc, i = TRIGGERS(sc); i && i->next && (n != 0); n--, i = i->next);
if (!loc) {
t->next = TRIGGERS(sc);
TRIGGERS(sc) = t;
} else if (!i)
TRIGGERS(sc) = t;
else {
t->next = i->next;
i->next = t;
}
SCRIPT_TYPES(sc) |= GET_TRIG_TYPE(t);
t->next_in_world = trigger_list;
trigger_list = t;
}
ACMD(do_attach)
{
char_data *victim;
obj_data *object;
room_data *room;
trig_data *trig;
char targ_name[MAX_INPUT_LENGTH], trig_name[MAX_INPUT_LENGTH];
char loc_name[MAX_INPUT_LENGTH], arg[MAX_INPUT_LENGTH];
int loc, tn, rn, num_arg;
room_rnum rnum;
argument = two_arguments(argument, arg, trig_name);
two_arguments(argument, targ_name, loc_name);
if (!*arg || !*targ_name || !*trig_name) {
send_to_char(ch, "Usage: attach { mob | obj | room } { trigger } { name } [ location ]\r\n");
return;
}
num_arg = atoi(targ_name);
tn = atoi(trig_name);
loc = (*loc_name) ? atoi(loc_name) : -1;
if (is_abbrev(arg, "mobile") || is_abbrev(arg, "mtr")) {
victim = get_char_vis(ch, targ_name, NULL, FIND_CHAR_WORLD);
if (!victim) { /* search room for one with this vnum */
for (victim = world[IN_ROOM(ch)].people;victim;victim=victim->next_in_room)
if (GET_MOB_VNUM(victim) == num_arg)
break;
if (!victim) {
send_to_char(ch, "That mob does not exist.\r\n");
return;
}
}
if (!IS_NPC(victim) && !CONFIG_SCRIPT_PLAYERS) {
send_to_char(ch, "Players can't have scripts.\r\n");
return;
}
if (!can_edit_zone(ch, world[IN_ROOM(ch)].zone)) {
send_to_char(ch, "You can only attach triggers in your own zone.\r\n");
return;
}
/* have a valid mob, now get trigger */
rn = real_trigger(tn);
if ((rn == NOTHING) || !(trig = read_trigger(rn))) {
send_to_char(ch, "That trigger does not exist.\r\n");
return;
}
if (!SCRIPT(victim))
CREATE(SCRIPT(victim), struct script_data, 1);
add_trigger(SCRIPT(victim), trig, loc);