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npc.c
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npc.c
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/**
* This file is part of Hercules.
* http://herc.ws - http://github.com/HerculesWS/Hercules
*
* Copyright (C) 2012-2022 Hercules Dev Team
* Copyright (C) Athena Dev Teams
*
* Hercules is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define HERCULES_CORE
#include "config/core.h" // NPC_SECURE_TIMEOUT_INPUT, NPC_SECURE_TIMEOUT_MENU, NPC_SECURE_TIMEOUT_NEXT, SECURE_NPCTIMEOUT, SECURE_NPCTIMEOUT_INTERVAL
#include "npc.h"
#include "map/battle.h"
#include "map/chat.h"
#include "map/clan.h"
#include "map/clif.h"
#include "map/guild.h"
#include "map/instance.h"
#include "map/intif.h"
#include "map/itemdb.h"
#include "map/log.h"
#include "map/map.h"
#include "map/mob.h"
#include "map/pc.h"
#include "map/pet.h"
#include "map/quest.h"
#include "map/script.h"
#include "map/skill.h"
#include "map/status.h"
#include "map/unit.h"
#include "map/achievement.h"
#include "common/HPM.h"
#include "common/cbasetypes.h"
#include "common/db.h"
#include "common/ers.h"
#include "common/memmgr.h"
#include "common/nullpo.h"
#include "common/showmsg.h"
#include "common/socket.h"
#include "common/sql.h"
#include "common/strlib.h"
#include "common/timer.h"
#include "common/utils.h"
#include <errno.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
static struct npc_interface npc_s;
struct npc_interface *npc;
//For holding the view data of npc classes. [Skotlex]
static struct view_data npc_viewdb[MAX_NPC_CLASS];
static struct view_data npc_viewdb2[MAX_NPC_CLASS2_END-MAX_NPC_CLASS2_START];
/* for speedup */
static unsigned int npc_market_qty[MAX_INVENTORY];
static struct script_event_s {
//Holds pointers to the commonly executed scripts for speedup. [Skotlex]
struct event_data *event[UCHAR_MAX];
const char *event_name[UCHAR_MAX];
uint8 event_count;
} script_event[NPCE_MAX];
/**
* Returns the viewdata for normal npc classes.
* @param class_ The NPC class ID.
* @return The viewdata, or NULL if the ID is invalid.
*/
static struct view_data *npc_get_viewdata(int class_)
{
if (class_ == INVISIBLE_CLASS)
return &npc_viewdb[0];
if (npc->db_checkid(class_)) {
if (class_ < MAX_NPC_CLASS) {
return &npc_viewdb[class_];
} else if (class_ >= MAX_NPC_CLASS2_START && class_ < MAX_NPC_CLASS2_END) {
return &npc_viewdb2[class_-MAX_NPC_CLASS2_START];
}
}
return NULL;
}
/**
* Checks if a given id is a valid npc id.
*
* Since new npcs are added all the time, the max valid value is the one before the first mob (Scorpion = 1001)
*
* @param id The NPC ID to validate.
* @return Whether the value is a valid ID.
*/
static bool npc_db_checkid(int id)
{
if (id >= WARP_CLASS && id <= 125) // First subrange
return true;
if (id == HIDDEN_WARP_CLASS || id == INVISIBLE_CLASS) // Special IDs not included in the valid ranges
return true;
if (id > 400 && id < MAX_NPC_CLASS) // Second subrange
return true;
if (id >= MAX_NPC_CLASS2_START && id < MAX_NPC_CLASS2_END) // Second range
return true;
if (pc->db_checkid(id))
return true;
// Anything else is invalid
return false;
}
/// Returns a new npc id that isn't being used in id_db.
/// Fatal error if nothing is available.
static int npc_get_new_npc_id(void)
{
if (npc->npc_id >= START_NPC_NUM && !map->blid_exists(npc->npc_id))
return npc->npc_id++;// available
else {// find next id
int base_id = npc->npc_id;
while (base_id != ++npc->npc_id) {
if (npc->npc_id < START_NPC_NUM)
npc->npc_id = START_NPC_NUM;
if (!map->blid_exists(npc->npc_id))
return npc->npc_id++;// available
}
// full loop, nothing available
ShowFatalError("npc_get_new_npc_id: All ids are taken. Exiting...");
exit(1);
}
}
static int npc_isnear_sub(struct block_list *bl, va_list args)
{
const struct npc_data *nd = NULL;
nullpo_ret(bl);
Assert_ret(bl->type == BL_NPC);
nd = BL_UCCAST(BL_NPC, bl);
if( nd->option & (OPTION_HIDE|OPTION_INVISIBLE) )
return 0;
if( battle_config.vendchat_near_hiddennpc && ( nd->class_ == FAKE_NPC || nd->class_ == HIDDEN_WARP_CLASS ) )
return 0;
return 1;
}
static bool npc_isnear(struct block_list *bl)
{
if( battle_config.min_npc_vendchat_distance > 0
&& map->foreachinrange(npc->isnear_sub,bl, battle_config.min_npc_vendchat_distance, BL_NPC) )
return true;
return false;
}
static int npc_ontouch_event(struct map_session_data *sd, struct npc_data *nd)
{
char name[EVENT_NAME_LENGTH];
nullpo_retr(1, nd);
if( nd->touching_id )
return 0; // Attached a player already. Can't trigger on anyone else.
if( pc_ishiding(sd) )
return 1; // Can't trigger 'OnTouch_'. try 'OnTouch' later.
snprintf(name, ARRAYLENGTH(name), "%s::%s", nd->exname, script->config.ontouch_name);
return npc->event(sd,name,1);
}
static int npc_ontouch2_event(struct map_session_data *sd, struct npc_data *nd)
{
char name[EVENT_NAME_LENGTH];
nullpo_retr(1, sd);
nullpo_retr(1, nd);
if (sd->areanpc_id == nd->bl.id)
return 0;
snprintf(name, ARRAYLENGTH(name), "%s::%s", nd->exname, script->config.ontouch2_name);
return npc->event(sd, name, 2);
}
static int npc_onuntouch_event(struct map_session_data *sd, struct npc_data *nd)
{
char name[EVENT_NAME_LENGTH];
nullpo_ret(sd);
nullpo_ret(nd);
if (sd->areanpc_id != nd->bl.id)
return 0;
snprintf(name, ARRAYLENGTH(name), "%s::%s", nd->exname, script->config.onuntouch_name);
return npc->event(sd, name, 2);
}
/*==========================================
* Sub-function of npc_enable, runs OnTouch event when enabled
*------------------------------------------*/
static int npc_enable_sub(struct block_list *bl, va_list ap)
{
struct npc_data *nd;
nullpo_ret(bl);
nullpo_ret(nd=va_arg(ap,struct npc_data *));
if (bl->type == BL_PC) {
struct map_session_data *sd = BL_UCAST(BL_PC, bl);
if (nd->option&OPTION_INVISIBLE)
return 1;
if (nd->dyn.isdynamic && nd->dyn.owner_id != sd->status.char_id)
return 1;
if( npc->ontouch_event(sd,nd) > 0 && npc->ontouch2_event(sd,nd) > 0 )
{ // failed to run OnTouch event, so just click the npc
if (sd->npc_id != 0)
return 0;
pc_stop_walking(sd, STOPWALKING_FLAG_FIXPOS);
npc->click(sd,nd);
}
}
return 0;
}
/*==========================================
* Disable / Enable NPC
*------------------------------------------*/
static int npc_enable(const char *name, int flag)
{
struct npc_data* nd = npc->name2id(name);
if ( nd == NULL ) {
ShowError("npc_enable: Attempted to %s a non-existing NPC '%s' (flag=%d).\n", (flag&3) ? "show" : "hide", name, flag);
return 0;
}
if (flag&1) {
nd->option&=~OPTION_INVISIBLE;
clif->spawn(&nd->bl);
} else if (flag&2)
nd->option&=~OPTION_HIDE;
else if (flag&4)
nd->option|= OPTION_HIDE;
else { //Can't change the view_data to invisible class because the view_data for all npcs is shared! [Skotlex]
nd->option|= OPTION_INVISIBLE;
clif->clearunit_area(&nd->bl,CLR_OUTSIGHT); // Hack to trick maya purple card [Xazax]
}
if (nd->class_ == WARP_CLASS || nd->class_ == FLAG_CLASS) { //Client won't display option changes for these classes [Toms]
if (nd->option&(OPTION_HIDE|OPTION_INVISIBLE))
clif->clearunit_area(&nd->bl, CLR_OUTSIGHT);
else
clif->spawn(&nd->bl);
} else
clif->changeoption(&nd->bl);
if( flag&3 && (nd->u.scr.xs >= 0 || nd->u.scr.ys >= 0) ) //check if player standing on a OnTouchArea
map->foreachinarea( npc->enable_sub, nd->bl.m, nd->bl.x-nd->u.scr.xs, nd->bl.y-nd->u.scr.ys, nd->bl.x+nd->u.scr.xs, nd->bl.y+nd->u.scr.ys, BL_PC, nd );
return 0;
}
/*==========================================
* NPC lookup (get npc_data through npcname)
*------------------------------------------*/
static struct npc_data *npc_name2id(const char *name)
{
return strdb_get(npc->name_db, name);
}
/**
* For the Secure NPC Timeout option (check config/Secure.h) [RR]
**/
/**
* Timer to check for idle time and timeout the dialog if necessary
**/
static int npc_rr_secure_timeout_timer(int tid, int64 tick, int id, intptr_t data)
{
#ifdef SECURE_NPCTIMEOUT
struct map_session_data* sd = NULL;
unsigned int timeout = NPC_SECURE_TIMEOUT_NEXT;
if( (sd = map->id2sd(id)) == NULL || !sd->npc_id ) {
if( sd ) sd->npc_idle_timer = INVALID_TIMER;
return 0;//Not logged in anymore OR no longer attached to a npc
}
switch( sd->npc_idle_type ) {
case NPCT_INPUT:
timeout = NPC_SECURE_TIMEOUT_INPUT;
break;
case NPCT_MENU:
timeout = NPC_SECURE_TIMEOUT_MENU;
break;
//case NPCT_WAIT: var starts with this value
}
if( DIFF_TICK(tick,sd->npc_idle_tick) > (timeout*1000) ) {
/**
* If we still have the NPC script attached, tell it to stop.
**/
if( sd->st )
sd->st->state = END;
sd->state.menu_or_input = 0;
sd->npc_menu = 0;
/**
* This guy's been idle for longer than allowed, close him.
**/
clif->scriptclose(sd,sd->npc_id);
sd->npc_idle_timer = INVALID_TIMER;
/**
* We will end the script ourselves, client will request to end it again if it have dialog,
* however it will be ignored, workaround for client stuck if NPC have no dialog. [hemagx]
**/
sd->state.dialog = 0;
npc->scriptcont(sd, sd->npc_id, true);
} else //Create a new instance of ourselves to continue
sd->npc_idle_timer = timer->add(timer->gettick() + (SECURE_NPCTIMEOUT_INTERVAL*1000),npc->secure_timeout_timer,sd->bl.id,0);
#endif
return 0;
}
/*==========================================
* Dequeue event and add timer for execution (100ms)
*------------------------------------------*/
static int npc_event_dequeue(struct map_session_data *sd)
{
nullpo_ret(sd);
if(sd->npc_id) { //Current script is aborted.
if(sd->state.using_fake_npc){
clif->clearunit_single(sd->npc_id, CLR_OUTSIGHT, sd->fd);
sd->state.using_fake_npc = 0;
}
if (sd->st) {
script->free_state(sd->st);
sd->st = NULL;
}
sd->npc_id = 0;
}
if (!sd->eventqueue[0][0])
return 0; //Nothing to dequeue
if (!pc->addeventtimer(sd,100,sd->eventqueue[0])) { //Failed to dequeue, couldn't set a timer.
ShowWarning("npc_event_dequeue: event timer is full !\n");
return 0;
}
//Event dequeued successfully, shift other elements.
memmove(sd->eventqueue[0], sd->eventqueue[1], (MAX_EVENTQUEUE-1)*sizeof(sd->eventqueue[0]));
sd->eventqueue[MAX_EVENTQUEUE-1][0]=0;
return 1;
}
/**
* @see DBCreateData
*/
static struct DBData npc_event_export_create(union DBKey key, va_list args)
{
struct linkdb_node** head_ptr;
CREATE(head_ptr, struct linkdb_node*, 1);
*head_ptr = NULL;
return DB->ptr2data(head_ptr);
}
/*==========================================
* exports a npc event label
* called from npc_parse_script
*------------------------------------------*/
static int npc_event_export(struct npc_data *nd, int i)
{
char* lname;
int pos;
nullpo_ret(nd);
Assert_ret(i >= 0 && i < nd->u.scr.label_list_num);
lname = nd->u.scr.label_list[i].name;
pos = nd->u.scr.label_list[i].pos;
if ((nd->u.scr.label_list[i].flags & LABEL_IS_EXTERN) != 0
&& ((nd->u.scr.label_list[i].flags & LABEL_IS_USERFUNC) == 0
|| script->config.functions_as_events)) {
struct event_data *ev;
struct linkdb_node **label_linkdb = NULL;
char buf[EVENT_NAME_LENGTH];
snprintf(buf, ARRAYLENGTH(buf), "%s::%s", nd->exname, lname);
if (strdb_exists(npc->ev_db, buf)) // There was already another event of the same name?
return 1;
// generate the data and insert it
CREATE(ev, struct event_data, 1);
ev->nd = nd;
ev->pos = pos;
strdb_put(npc->ev_db, buf, ev);
label_linkdb = strdb_ensure(npc->ev_label_db, lname, npc->event_export_create);
linkdb_insert(label_linkdb, nd, ev);
}
return 0;
}
static int npc_event_sub(struct map_session_data *sd, struct event_data *ev, const char *eventname); //[Lance]
/**
* Exec name (NPC events) on player or global
* Do on all NPC when called with foreach
*/
static void npc_event_doall_sub(void *key, void *data, va_list ap)
{
struct event_data* ev = data;
int* c;
const char* name;
int rid;
nullpo_retv(c = va_arg(ap, int*));
nullpo_retv(name = va_arg(ap, const char*));
rid = va_arg(ap, int);
if (ev /* && !ev->nd->src_id */) // Do not run on duplicates. [Paradox924X]
{
if(rid) { // a player may only have 1 script running at the same time
char buf[EVENT_NAME_LENGTH];
snprintf(buf, ARRAYLENGTH(buf), "%s::%s", ev->nd->exname, name);
npc->event_sub(map->id2sd(rid), ev, buf);
}
else {
script->run_npc(ev->nd->u.scr.script, ev->pos, rid, ev->nd->bl.id);
}
(*c)++;
}
}
// runs the specified event (supports both single-npc and global events)
static int npc_event_do(const char *name)
{
nullpo_ret(name);
if( name[0] == ':' && name[1] == ':' ) {
return npc->event_doall(name+2); // skip leading "::"
}
else {
struct event_data *ev = strdb_get(npc->ev_db, name);
if (ev) {
script->run_npc(ev->nd->u.scr.script, ev->pos, 0, ev->nd->bl.id);
return 1;
}
}
return 0;
}
// runs the specified event, with a RID attached (global only)
static int npc_event_doall_id(const char *name, int rid)
{
int c = 0;
struct linkdb_node **label_linkdb = strdb_get(npc->ev_label_db, name);
if (label_linkdb == NULL)
return 0;
linkdb_foreach(label_linkdb, npc->event_doall_sub, &c, name, rid);
return c;
}
// runs the specified event (global only)
static int npc_event_doall(const char *name)
{
return npc->event_doall_id(name, 0);
}
/*==========================================
* Clock event execution
* OnMinute/OnClock/OnHour/OnDay/OnDDHHMM
*------------------------------------------*/
static int npc_event_do_clock(int tid, int64 tick, int id, intptr_t data)
{
static struct tm ev_tm_b; // tracks previous execution time
time_t clock;
struct tm* t;
char buf[64];
int c = 0;
clock = time(NULL);
t = localtime(&clock);
if (t->tm_min != ev_tm_b.tm_min ) {
char* day;
switch (t->tm_wday) {
case 0: day = "Sun"; break;
case 1: day = "Mon"; break;
case 2: day = "Tue"; break;
case 3: day = "Wed"; break;
case 4: day = "Thu"; break;
case 5: day = "Fri"; break;
case 6: day = "Sat"; break;
default:day = ""; break;
}
sprintf(buf,"OnMinute%02d",t->tm_min);
c += npc->event_doall(buf);
sprintf(buf,"OnClock%02d%02d",t->tm_hour,t->tm_min);
c += npc->event_doall(buf);
sprintf(buf,"On%s%02d%02d",day,t->tm_hour,t->tm_min);
c += npc->event_doall(buf);
}
if (t->tm_hour != ev_tm_b.tm_hour) {
sprintf(buf,"OnHour%02d",t->tm_hour);
c += npc->event_doall(buf);
}
if (t->tm_mday != ev_tm_b.tm_mday) {
sprintf(buf,"OnDay%02d%02d",t->tm_mon+1,t->tm_mday);
c += npc->event_doall(buf);
}
memcpy(&ev_tm_b,t,sizeof(ev_tm_b));
return c;
}
/**
* OnInit event execution (the start of the event and watch)
* @param reload Is the server reloading?
**/
static void npc_event_do_oninit(bool reload)
{
ShowStatus("Event '"CL_WHITE"OnInit"CL_RESET"' executed with '"CL_WHITE"%d"CL_RESET"' NPCs."CL_CLL"\n", npc->event_doall("OnInit"));
// This interval has already been added on startup
if( !reload )
timer->add_interval(timer->gettick()+100,npc->event_do_clock,0,0,1000);
}
/*==========================================
* Incorporation of the label for the timer event
* called from npc_parse_script
*------------------------------------------*/
static int npc_timerevent_export(struct npc_data *nd, int i)
{
int t = 0, len = 0;
char *lname;
int pos;
nullpo_ret(nd);
lname = nd->u.scr.label_list[i].name;
pos = nd->u.scr.label_list[i].pos;
if (sscanf(lname, "OnTimer%d%n", &t, &len) == 1 && len < NAME_LENGTH && lname[len] == '\0') {
// Timer event
struct npc_timerevent_list *te = nd->u.scr.timer_event;
int j, k = nd->u.scr.timeramount;
if (te == NULL)
te = (struct npc_timerevent_list *)aMalloc(sizeof(struct npc_timerevent_list));
else
te = (struct npc_timerevent_list *)aRealloc( te, sizeof(struct npc_timerevent_list) * (k+1) );
for (j = 0; j < k; j++) {
if (te[j].timer > t) {
memmove(te+j+1, te+j, sizeof(struct npc_timerevent_list)*(k-j));
break;
}
}
te[j].timer = t;
te[j].pos = pos;
nd->u.scr.timer_event = te;
nd->u.scr.timeramount++;
}
return 0;
}
struct timer_event_data {
int rid; //Attached player for this timer.
int next; //timer index (starts with 0, then goes up to nd->u.scr.timeramount)
int time; //holds total time elapsed for the script from when timer was started to when last time the event triggered.
};
/*==========================================
* triger 'OnTimerXXXX' events
*------------------------------------------*/
static int npc_timerevent(int tid, int64 tick, int id, intptr_t data)
{
int old_rid, old_timer;
int64 old_tick;
struct npc_data *nd = map->id2nd(id);
struct npc_timerevent_list *te;
struct timer_event_data *ted = (struct timer_event_data*)data;
struct map_session_data *sd=NULL;
nullpo_ret(ted);
if( nd == NULL ) {
ShowError("npc_timerevent: NPC not found??\n");
return 0;
}
if (ted->rid && (sd = map->id2sd(ted->rid)) == NULL) {
ShowError("npc_timerevent: Attached player not found.\n");
ers_free(npc->timer_event_ers, ted);
return 0;
}
// These stuffs might need to be restored.
old_rid = nd->u.scr.rid;
old_tick = nd->u.scr.timertick;
old_timer = nd->u.scr.timer;
// Set the values of the timer
nd->u.scr.rid = sd?sd->bl.id:0; //attached rid
nd->u.scr.timertick = tick; //current time tick
nd->u.scr.timer = ted->time; //total time from beginning to now
// Locate the event
te = nd->u.scr.timer_event + ted->next;
// Arrange for the next event
ted->next++;
if( nd->u.scr.timeramount > ted->next )
{
int next = nd->u.scr.timer_event[ ted->next ].timer - nd->u.scr.timer_event[ ted->next - 1 ].timer;
ted->time += next;
if( sd )
sd->npc_timer_id = timer->add(tick+next,npc->timerevent,id,(intptr_t)ted);
else
nd->u.scr.timerid = timer->add(tick+next,npc->timerevent,id,(intptr_t)ted);
}
else
{
if( sd )
sd->npc_timer_id = INVALID_TIMER;
else
nd->u.scr.timerid = INVALID_TIMER;
ers_free(npc->timer_event_ers, ted);
}
// Run the script
script->run_npc(nd->u.scr.script,te->pos,nd->u.scr.rid,nd->bl.id);
nd->u.scr.rid = old_rid; // Attached-rid should be restored anyway.
if( sd )
{ // Restore previous data, only if this timer is a player-attached one.
nd->u.scr.timer = old_timer;
nd->u.scr.timertick = old_tick;
}
return 0;
}
/*==========================================
* Start/Resume NPC timer
*------------------------------------------*/
static int npc_timerevent_start(struct npc_data *nd, int rid)
{
int j;
int64 tick = timer->gettick();
struct map_session_data *sd = NULL; //Player to whom script is attached.
nullpo_ret(nd);
// Check if there is an OnTimer Event
ARR_FIND( 0, nd->u.scr.timeramount, j, nd->u.scr.timer_event[j].timer > nd->u.scr.timer );
if (nd->u.scr.rid > 0 && (sd = map->id2sd(nd->u.scr.rid)) == NULL) {
// Failed to attach timer to this player.
ShowError("npc_timerevent_start: Attached player not found!\n");
return 1;
}
// Check if timer is already started.
if( sd ) {
if( sd->npc_timer_id != INVALID_TIMER )
return 0;
} else if( nd->u.scr.timerid != INVALID_TIMER || nd->u.scr.timertick )
return 0;
if (j < nd->u.scr.timeramount) {
int next;
struct timer_event_data *ted;
// Arrange for the next event
ted = ers_alloc(npc->timer_event_ers, struct timer_event_data);
ted->next = j; // Set event index
ted->time = nd->u.scr.timer_event[j].timer;
next = nd->u.scr.timer_event[j].timer - nd->u.scr.timer;
if( sd )
{
ted->rid = sd->bl.id; // Attach only the player if attachplayerrid was used.
sd->npc_timer_id = timer->add(tick+next,npc->timerevent,nd->bl.id,(intptr_t)ted);
}
else
{
ted->rid = 0;
nd->u.scr.timertick = tick; // Set when timer is started
nd->u.scr.timerid = timer->add(tick+next,npc->timerevent,nd->bl.id,(intptr_t)ted);
}
} else if (!sd) {
nd->u.scr.timertick = tick;
}
return 0;
}
/*==========================================
* Stop NPC timer
*------------------------------------------*/
static int npc_timerevent_stop(struct npc_data *nd)
{
struct map_session_data *sd = NULL;
int *tid;
nullpo_ret(nd);
if (nd->u.scr.rid && (sd = map->id2sd(nd->u.scr.rid)) == NULL) {
ShowError("npc_timerevent_stop: Attached player not found!\n");
return 1;
}
tid = sd?&sd->npc_timer_id:&nd->u.scr.timerid;
if( *tid == INVALID_TIMER && (sd || !nd->u.scr.timertick) ) // Nothing to stop
return 0;
// Delete timer
if (*tid != INVALID_TIMER) {
const struct TimerData *td = timer->get(*tid);
if (td && td->data)
ers_free(npc->timer_event_ers, (void*)td->data);
timer->delete(*tid,npc->timerevent);
*tid = INVALID_TIMER;
}
if (!sd && nd->u.scr.timertick) {
nd->u.scr.timer += DIFF_TICK32(timer->gettick(),nd->u.scr.timertick); // Set 'timer' to the time that has passed since the beginning of the timers
nd->u.scr.timertick = 0; // Set 'tick' to zero so that we know it's off.
}
return 0;
}
/*==========================================
* Aborts a running NPC timer that is attached to a player.
*------------------------------------------*/
static void npc_timerevent_quit(struct map_session_data *sd)
{
const struct TimerData *td;
struct npc_data* nd;
struct timer_event_data *ted;
nullpo_retv(sd);
// Check timer existence
if( sd->npc_timer_id == INVALID_TIMER )
return;
if( !(td = timer->get(sd->npc_timer_id)) )
{
sd->npc_timer_id = INVALID_TIMER;
return;
}
// Delete timer
nd = map->id2nd(td->id);
ted = (struct timer_event_data*)td->data;
timer->delete(sd->npc_timer_id, npc->timerevent);
sd->npc_timer_id = INVALID_TIMER;
// Execute OnTimerQuit
if (nd != NULL) {
char buf[EVENT_NAME_LENGTH];
struct event_data *ev;
snprintf(buf, ARRAYLENGTH(buf), "%s::OnTimerQuit", nd->exname);
ev = (struct event_data*)strdb_get(npc->ev_db, buf);
if( ev && ev->nd != nd )
{
ShowWarning("npc_timerevent_quit: Unable to execute \"OnTimerQuit\", two NPCs have the same event name [%s]!\n",buf);
ev = NULL;
}
if( ev )
{
int old_rid,old_timer;
int64 old_tick;
nullpo_retv(ted);
//Set timer related info.
old_rid = (nd->u.scr.rid == sd->bl.id ? 0 : nd->u.scr.rid); // Detach rid if the last attached player logged off.
old_tick = nd->u.scr.timertick;
old_timer = nd->u.scr.timer;
nd->u.scr.rid = sd->bl.id;
nd->u.scr.timertick = timer->gettick();
nd->u.scr.timer = ted->time;
//Execute label
script->run_npc(nd->u.scr.script,ev->pos,sd->bl.id,nd->bl.id);
//Restore previous data.
nd->u.scr.rid = old_rid;
nd->u.scr.timer = old_timer;
nd->u.scr.timertick = old_tick;
}
}
ers_free(npc->timer_event_ers, ted);
}
/*==========================================
* Get the tick value of an NPC timer
* If it's stopped, return stopped time
*------------------------------------------*/
static int64 npc_gettimerevent_tick(struct npc_data *nd)
{
int64 tick;
nullpo_ret(nd);
// TODO: Get player attached timer's tick. Now we can just get it by using 'getnpctimer' inside OnTimer event.
tick = nd->u.scr.timer; // The last time it's active(start, stop or event trigger)
if( nd->u.scr.timertick ) // It's a running timer
tick += DIFF_TICK(timer->gettick(), nd->u.scr.timertick);
return tick;
}
/*==========================================
* Set tick for running and stopped timer
*------------------------------------------*/
static int npc_settimerevent_tick(struct npc_data *nd, int newtimer)
{
bool flag;
int old_rid;
//struct map_session_data *sd = NULL;
nullpo_ret(nd);
// TODO: Set player attached timer's tick.
old_rid = nd->u.scr.rid;
nd->u.scr.rid = 0;
// Check if timer is started
flag = (nd->u.scr.timerid != INVALID_TIMER || nd->u.scr.timertick);
if( flag ) npc->timerevent_stop(nd);
nd->u.scr.timer = newtimer;
if( flag ) npc->timerevent_start(nd, -1);
nd->u.scr.rid = old_rid;
return 0;
}
static int npc_event_sub(struct map_session_data *sd, struct event_data *ev, const char *eventname)
{
nullpo_retr(2, sd);
nullpo_retr(2, eventname);
if ( sd->npc_id != 0 )
{
//Enqueue the event trigger.
int i;
ARR_FIND( 0, MAX_EVENTQUEUE, i, sd->eventqueue[i][0] == '\0' );
if( i < MAX_EVENTQUEUE )
{
safestrncpy(sd->eventqueue[i],eventname,EVENT_NAME_LENGTH); //Event enqueued.
return 0;
}
ShowWarning("npc_event: player's event queue is full, can't add event '%s' !\n", eventname);
return 1;
}
if( ev->nd->option&OPTION_INVISIBLE )
{
//Disabled npc, shouldn't trigger event.
npc->event_dequeue(sd);
return 2;
}
script->run_npc(ev->nd->u.scr.script,ev->pos,sd->bl.id,ev->nd->bl.id);
return 0;
}
/*==========================================
* NPC processing event type
*------------------------------------------*/
static int npc_event(struct map_session_data *sd, const char *eventname, int ontouch)
{
struct event_data* ev = (struct event_data*)strdb_get(npc->ev_db, eventname);
struct npc_data *nd;
nullpo_ret(sd);
if( ev == NULL || (nd = ev->nd) == NULL ) {
if( !ontouch )
ShowError("npc_event: event not found [%s]\n", eventname);
return ontouch;
}
switch(ontouch) {
case 1:
nd->touching_id = sd->bl.id;
sd->touching_id = nd->bl.id;
break;
case 2:
sd->areanpc_id = nd->bl.id;
break;
}
return npc->event_sub(sd,ev,eventname);
}
/**
* Executes OnTouch, OnUnTouch events when necessary. Also unsets `touching_id` of @p sd if not touching anymore.
* @remark @p sd and @p bl is expected to be not `NULL`
* @param sd map_session_data of BL_PC to check on
* @param x int of x-coordinate to check
* @param y int of y-coordinate to check
* @param check_if_warped set to true if you want to check if BL_PC has been warped by script
* @retval 0 Success
* @retval 1 only if check check_if_warped == true and OnTouch might have warped @p bl
* @retval -1 @p sd or @p bl is `NULL`
*/
static int npc_handle_touch_events(struct map_session_data *sd, int x, int y, bool check_if_warped)
{
nullpo_retr(-1, sd);
struct block_list *bl = &sd->bl;
nullpo_retr(-1, bl);
if (sd->touching_id != 0)
npc->touchnext_areanpc(sd, false);
if (map->getcell(bl->m, bl, x, y, CELL_CHKNPC) != 0) {
npc->touch_areanpc(sd, bl->m, x, y);
if (check_if_warped && bl->prev == NULL) // Script could have warped char
return 1;
} else {
npc->untouch_areanpc(sd, bl->m, x, y);
}
return 0;
}
/*==========================================
* Sub chk then execute area event type
*------------------------------------------*/
static int npc_touch_areanpc_sub(struct block_list *bl, va_list ap)
{
struct map_session_data *sd;
int pc_id;
char *name;
nullpo_ret(bl);
nullpo_ret((sd = map->id2sd(bl->id)));
pc_id = va_arg(ap,int);
name = va_arg(ap,char*);
if( sd->state.warping )
return 0;
if( pc_ishiding(sd) )
return 0;
if( pc_id == sd->bl.id )
return 0;
npc->event(sd,name,1);
return 1;
}
/*==========================================
* Chk if sd is still touching his assigned npc.
* If not, it unsets it and searches for another player in range.
*------------------------------------------*/
static int npc_touchnext_areanpc(struct map_session_data *sd, bool leavemap)
{
struct npc_data *nd;
short xs, ys;
nullpo_retr(1, sd);
nd = map->id2nd(sd->touching_id);
if( !nd || nd->touching_id != sd->bl.id )
return 1;
xs = nd->u.scr.xs;
ys = nd->u.scr.ys;
if( sd->bl.m != nd->bl.m ||
sd->bl.x < nd->bl.x - xs || sd->bl.x > nd->bl.x + xs ||
sd->bl.y < nd->bl.y - ys || sd->bl.y > nd->bl.y + ys ||
pc_ishiding(sd) || leavemap )
{
char name[EVENT_NAME_LENGTH];
nd->touching_id = sd->touching_id = 0;
snprintf(name, ARRAYLENGTH(name), "%s::%s", nd->exname, script->config.ontouch_name);
map->forcountinarea(npc->touch_areanpc_sub,nd->bl.m,nd->bl.x - xs,nd->bl.y - ys,nd->bl.x + xs,nd->bl.y + ys,1,BL_PC,sd->bl.id,name);
}
return 0;
}