// $Id: npc.c,v 1.5 2004/09/25 05:32:18 MouseJstr Exp $
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#include <math.h>
#include <time.h>

#include "../common/nullpo.hpp"
#include "../common/timer.hpp"

#include "battle.hpp"
#include "clif.hpp"
#include "../common/db.hpp"
#include "intif.hpp"
#include "itemdb.hpp"
#include "map.hpp"
#include "mob.hpp"
#include "npc.hpp"
#include "pc.hpp"
#include "script.hpp"
#include "skill.hpp"
#include "../common/socket.hpp"

#ifdef MEMWATCH
#include "memwatch.hpp"
#endif

struct npc_src_list
{
    struct npc_src_list *next;
    struct npc_src_list *prev;
    char name[4];
};

static struct npc_src_list *npc_src_first, *npc_src_last;
static int npc_id = START_NPC_NUM;
static int npc_warp, npc_shop, npc_script, npc_mob;

int npc_get_new_npc_id (void)
{
    return npc_id++;
}

static struct dbt *ev_db;
static struct dbt *npcname_db;

struct event_data
{
    struct npc_data *nd;
    int  pos;
};
static struct tm ev_tm_b;       // 時計イベント用

/*==========================================
 * NPCの無効化/有効化
 * npc_enable
 * npc_enable_sub 有効時にOnTouchイベントを実行
 *------------------------------------------
 */
static
void npc_enable_sub (struct block_list *bl, va_list ap)
{
    struct map_session_data *sd;
    struct npc_data *nd;
    char *name = (char *) calloc (50, sizeof (char));

    nullpo_retv (bl);
    nullpo_retv (ap);
    nullpo_retv (nd = va_arg (ap, struct npc_data *));
    if (bl->type == BL_PC && (sd = (struct map_session_data *) bl))
    {

        if (nd->flag & 1)       // 無効化されている
            return;

        memcpy (name, nd->name, sizeof(nd->name));
        if (sd->areanpc_id == nd->bl.id)
            return;
        sd->areanpc_id = nd->bl.id;
        npc_event (sd, strcat (name, "::OnTouch"), 0);
    }
    free (name);
}

int npc_enable (const char *name, int flag)
{
    struct npc_data *nd = (struct npc_data *)strdb_search (npcname_db, name);
    if (nd == NULL)
        return 0;

    if (flag & 1)
    {                           // 有効化
        nd->flag &= ~1;
        clif_spawnnpc (nd);
    }
    else if (flag & 2)
    {
        nd->flag &= ~1;
        nd->option = 0x0000;
        clif_changeoption (&nd->bl);
    }
    else if (flag & 4)
    {
        nd->flag |= 1;
        nd->option = 0x0002;
        clif_changeoption (&nd->bl);
    }
    else
    {                           // 無効化
        nd->flag |= 1;
        clif_clearchar (&nd->bl, 0);
    }
    if (flag & 3 && (nd->u.scr.xs > 0 || nd->u.scr.ys > 0))
        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を名前で探す
 *------------------------------------------
 */
struct npc_data *npc_name2id (const char *name)
{
    return (struct npc_data *)strdb_search (npcname_db, name);
}

/*==========================================
 * イベントキューのイベント処理
 *------------------------------------------
 */
int npc_event_dequeue (struct map_session_data *sd)
{
    nullpo_retr (0, sd);

    sd->npc_id = 0;

    if (sd->eventqueue[0][0]) // キューのイベント処理
    {
        if (!pc_addeventtimer(sd, 100, sd->eventqueue[0]))
        {
            printf ("npc_event_dequeue(): Event timer is full.\n");
            return 0;
        }

        if (MAX_EVENTQUEUE > 1)
            memmove (sd->eventqueue[0], sd->eventqueue[1],
                     (MAX_EVENTQUEUE - 1) * sizeof (sd->eventqueue[0]));
        sd->eventqueue[MAX_EVENTQUEUE - 1][0] = '\0';
        return 1;
    }

    return 0;
}

int npc_delete (struct npc_data *nd)
{
    nullpo_retr (1, nd);

    if (nd->bl.prev == NULL)
        return 1;

    clif_clearchar_area (&nd->bl, 1);
    map_delblock (&nd->bl);
    return 0;
}

/*==========================================
 * イベントの遅延実行
 *------------------------------------------
 */
void npc_event_timer (timer_id tid, tick_t tick, custom_id_t id, custom_data_t data)
{
    struct map_session_data *sd = map_id2sd (id);
    if (sd == NULL)
        return;

    npc_event (sd, (const char *) data, 0);
    free ((void *) data);
}

int npc_timer_event (const char *eventname) // Added by RoVeRT
{
    struct event_data *ev = (struct event_data *)strdb_search (ev_db, eventname);
    struct npc_data *nd;
//  int xs,ys;

    if ((ev == NULL || (nd = ev->nd) == NULL))
    {
        printf ("npc_event: event not found [%s]\n", eventname);
        return 0;
    }

    run_script (nd->u.scr.script, ev->pos, nd->bl.id, nd->bl.id);

    return 0;
}

/*
int npc_timer_sub_sub(void *key,void *data,va_list ap)	// Added by RoVeRT
{
	char *p=(char *)key;
	struct event_data *ev=(struct event_data *)data;
	int *c=va_arg(ap,int *);
	int tick=0,ctick=gettick();
	char temp[10];
	char event[100];

	if(ev->nd->bl.id==(int)*c && (p=strchr(p,':')) && p && strncasecmp("::OnTimer",p,8)==0 ){
		sscanf(&p[9],"%s",temp);
		tick=atoi(temp);

		strcpy( event, ev->nd->name);
		strcat( event, p);

		if (ctick >= ev->nd->lastaction && ctick - ev->nd->timer >= tick) {
			npc_timer_event(event);
			ev->nd->lastaction = ctick;
		}
	}
	return 0;
}

int npc_timer_sub(void *key,void *data,va_list ap)	// Added by RoVeRT
{
	struct npc_data *nd=(struct npc_data*)data;

	if(nd->timer == -1)
		return 0;

	strdb_foreach(ev_db,npc_timer_sub_sub,&nd->bl.id);

	return 0;
}

int npc_timer(int tid,unsigned int tick,int id,int data)	// Added by RoVeRT
{
	strdb_foreach(npcname_db,npc_timer_sub);

	free((void*)data);
	return 0;
}*/
/*==========================================
 * イベント用ラベルのエクスポート
 * npc_parse_script->strdb_foreachから呼ばれる
 *------------------------------------------
 */
static
int npc_event_export (void *key, void *data, va_list ap)
{
    char *lname = (char *) key;
    int  pos = (int) data;
    struct npc_data *nd = va_arg (ap, struct npc_data *);

    if ((lname[0] == 'O' || lname[0] == 'o')
        && (lname[1] == 'N' || lname[1] == 'n'))
    {
        struct event_data *ev;
        char *buf;
        char *p = strchr (lname, ':');
        // エクスポートされる
        CREATE (ev, struct event_data, 1);
        CREATE (buf, char, 50);
        if (p == NULL || (p - lname) > 24)
        {
            printf ("npc_event_export: label name error !\n");
            exit (1);
        }
        else
        {
            ev->nd = nd;
            ev->pos = pos;
            *p = '\0';
            sprintf (buf, "%s::%s", nd->exname, lname);
            *p = ':';
            strdb_insert (ev_db, buf, ev);
//          if (battle_config.etc_log)
//              printf("npc_event_export: export [%s]\n",buf);
        }
    }
    return 0;
}

/*==========================================
 * 全てのNPCのOn*イベント実行
 *------------------------------------------
 */
static
void npc_event_doall_sub (db_key_t key, db_val_t data, va_list ap)
{
    const char *p = key.s;
    int  rid, argc;
    argrec_t *argv;
    struct event_data *ev;
    int *c;
    const char *name;

    nullpo_retv (ev = (struct event_data *) data);
    nullpo_retv (ap);
    nullpo_retv (c = va_arg (ap, int *));

    name = va_arg (ap, const char *);
    rid = va_arg (ap, int);
    argc = va_arg (ap, int);
    argv = va_arg (ap, argrec_t *);

    if ((p = strchr (p, ':')) && p && strcasecmp (name, p) == 0)
    {
        run_script_l (ev->nd->u.scr.script, ev->pos, rid, ev->nd->bl.id, argc,
                      argv);
        (*c)++;
    }
}

int npc_event_doall_l (const char *name, int rid, int argc, argrec_t * args)
{
    int  c = 0;
    char buf[64] = "::";

    strncpy (buf + 2, name, sizeof(buf)-3);
    buf[sizeof(buf)-1] = '\0';
    strdb_foreach (ev_db, npc_event_doall_sub, &c, buf, rid, argc, args);
    return c;
}

static
void npc_event_do_sub (db_key_t key, db_val_t data, va_list ap)
{
    const char *p = key.s;
    struct event_data *ev;
    int *c;
    const char *name;
    int  rid, argc;
    argrec_t *argv;

    nullpo_retv (ev = (struct event_data *) data);
    nullpo_retv (ap);
    nullpo_retv (c = va_arg (ap, int *));

    name = va_arg (ap, const char *);
    rid = va_arg (ap, int);
    argc = va_arg (ap, int);
    argv = va_arg (ap, argrec_t *);

    if (p && strcasecmp (name, p) == 0)
    {
        run_script_l (ev->nd->u.scr.script, ev->pos, rid, ev->nd->bl.id, argc,
                      argv);
        (*c)++;
    }
}

int npc_event_do_l (const char *name, int rid, int argc, argrec_t * args)
{
    int  c = 0;

    if (*name == ':' && name[1] == ':')
    {
        return npc_event_doall_l (name + 2, rid, argc, args);
    }

    strdb_foreach (ev_db, npc_event_do_sub, &c, name, rid, argc, args);
    return c;
}

/*==========================================
 * 時計イベント実行
 *------------------------------------------
 */
static
void npc_event_do_clock (timer_id tid, tick_t tick, custom_id_t id, custom_data_t data)
{
    time_t timer;
    struct tm *t;
    char buf[64];
    int  c = 0;

    time (&timer);
    t = gmtime (&timer);

    if (t->tm_min != ev_tm_b.tm_min)
    {
        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);
    }
    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));
}

/*==========================================
 * OnInitイベント実行(&時計イベント開始)
 *------------------------------------------
 */
int npc_event_do_oninit (void)
{
    int  c = npc_event_doall ("OnInit");
    printf ("npc: OnInit Event done. (%d npc)\n", c);

    add_timer_interval (gettick () + 100, npc_event_do_clock, 0, 0, 1000);

    return 0;
}

/*==========================================
 * OnTimer NPC event - by RoVeRT
 *------------------------------------------
 */
static
int npc_addeventtimer (struct npc_data *nd, int tick, const char *name)
{
    int  i;
    for (i = 0; i < MAX_EVENTTIMER; i++)
        if (nd->eventtimer[i] == -1)
            break;
    if (i < MAX_EVENTTIMER)
    {
        char *evname;
        CREATE (evname, char, 24);
        memcpy (evname, name, 24);
        nd->eventtimer[i] = add_timer (gettick () + tick,
                                       npc_event_timer, nd->bl.id,
                                       (int) evname);
    }
    else
        printf ("npc_addtimer: event timer is full !\n");

    return 0;
}

static
int npc_deleventtimer (struct npc_data *nd, const char *name)
{
    int  i;
    for (i = 0; i < MAX_EVENTTIMER; i++)
        if (nd->eventtimer[i] != -1 && strcmp ((char
                                                *) (get_timer (nd->eventtimer
                                                               [i])->data),
                                               name) == 0)
        {
            delete_timer (nd->eventtimer[i], npc_event_timer);
            nd->eventtimer[i] = -1;
            break;
        }

    return 0;
}

static
int npc_cleareventtimer (struct npc_data *nd)
{
    int  i;
    for (i = 0; i < MAX_EVENTTIMER; i++)
        if (nd->eventtimer[i] != -1)
        {
            delete_timer (nd->eventtimer[i], npc_event_timer);
            nd->eventtimer[i] = -1;
        }

    return 0;
}

static
void npc_do_ontimer_sub (db_key_t key, db_val_t data, va_list ap)
{
    const char *p = key.s;
    struct event_data *ev = (struct event_data *) data;
    int *c = va_arg (ap, int *);
//  struct map_session_data *sd=va_arg(ap,struct map_session_data *);
    int  option = va_arg (ap, int);
    int  tick = 0;
    char temp[10];
    char event[50];

    if (ev->nd->bl.id == (int) *c && (p = strchr (p, ':')) && p
        && strncasecmp ("::OnTimer", p, 8) == 0)
    {
        sscanf (&p[9], "%s", temp);
        tick = atoi (temp);

        strcpy (event, ev->nd->name);
        strcat (event, p);

        if (option != 0)
        {
            npc_addeventtimer (ev->nd, tick, event);
        }
        else
        {
            npc_deleventtimer (ev->nd, event);
        }
    }
}

int npc_do_ontimer (int id, struct map_session_data *sd, int option)
{
    strdb_foreach (ev_db, npc_do_ontimer_sub, &id, sd, option);
    return 0;
}

/*==========================================
 * タイマーイベント用ラベルの取り込み
 * npc_parse_script->strdb_foreachから呼ばれる
 *------------------------------------------
 */
static
int npc_timerevent_import (void *key, void *data, va_list ap)
{
    char *lname = (char *) key;
    int  pos = (int) data;
    struct npc_data *nd = va_arg (ap, struct npc_data *);
    int  t = 0, i = 0;

    if (sscanf (lname, "OnTimer%d%n", &t, &i) == 1 && lname[i] == ':')
    {
        // タイマーイベント
        struct npc_timerevent_list *te = nd->u.scr.timer_event;
        int  j;
        i = nd->u.scr.timeramount;
        RECREATE (te, struct npc_timerevent_list, i+1);
        for (j = 0; j < i; j++)
        {
            if (te[j].timer > t)
            {
                memmove (te + j + 1, te + j,
                         sizeof (struct npc_timerevent_list) * (i - j));
                break;
            }
        }
        te[j].timer = t;
        te[j].pos = pos;
        nd->u.scr.timer_event = te;
        nd->u.scr.timeramount = i + 1;
    }
    return 0;
}

/*==========================================
 * タイマーイベント実行
 *------------------------------------------
 */
static
void npc_timerevent (timer_id tid, tick_t tick, custom_id_t id, custom_data_t data)
{
    int  next, t;
    struct npc_data *nd = (struct npc_data *) map_id2bl (id);
    struct npc_timerevent_list *te;
    if (nd == NULL || nd->u.scr.nexttimer < 0)
    {
        printf ("npc_timerevent: ??\n");
        return;
    }
    nd->u.scr.timertick = tick;
    te = nd->u.scr.timer_event + nd->u.scr.nexttimer;
    nd->u.scr.timerid = -1;

    t = nd->u.scr.timer += data;
    nd->u.scr.nexttimer++;
    if (nd->u.scr.timeramount > nd->u.scr.nexttimer)
    {
        next = nd->u.scr.timer_event[nd->u.scr.nexttimer].timer - t;
        nd->u.scr.timerid = add_timer (tick + next, npc_timerevent, id, next);
    }

    run_script (nd->u.scr.script, te->pos, 0, nd->bl.id);
}

/*==========================================
 * タイマーイベント開始
 *------------------------------------------
 */
int npc_timerevent_start (struct npc_data *nd)
{
    int  j, n, next;

    nullpo_retr (0, nd);

    n = nd->u.scr.timeramount;
    if (nd->u.scr.nexttimer >= 0 || n == 0)
        return 0;

    for (j = 0; j < n; j++)
    {
        if (nd->u.scr.timer_event[j].timer > nd->u.scr.timer)
            break;
    }
    nd->u.scr.nexttimer = j;
    nd->u.scr.timertick = gettick ();

    if (j >= n)
        return 0;

    next = nd->u.scr.timer_event[j].timer - nd->u.scr.timer;
    nd->u.scr.timerid =
        add_timer (gettick () + next, npc_timerevent, nd->bl.id, next);
    return 0;
}

/*==========================================
 * タイマーイベント終了
 *------------------------------------------
 */
int npc_timerevent_stop (struct npc_data *nd)
{
    nullpo_retr (0, nd);

    if (nd->u.scr.nexttimer >= 0)
    {
        nd->u.scr.nexttimer = -1;
        nd->u.scr.timer += (int) (gettick () - nd->u.scr.timertick);
        if (nd->u.scr.timerid != -1)
            delete_timer (nd->u.scr.timerid, npc_timerevent);
        nd->u.scr.timerid = -1;
    }
    return 0;
}

/*==========================================
 * タイマー値の所得
 *------------------------------------------
 */
int npc_gettimerevent_tick (struct npc_data *nd)
{
    int  tick;

    nullpo_retr (0, nd);

    tick = nd->u.scr.timer;

    if (nd->u.scr.nexttimer >= 0)
        tick += (int) (gettick () - nd->u.scr.timertick);
    return tick;
}

/*==========================================
 * タイマー値の設定
 *------------------------------------------
 */
int npc_settimerevent_tick (struct npc_data *nd, int newtimer)
{
    int  flag;

    nullpo_retr (0, nd);

    flag = nd->u.scr.nexttimer;

    npc_timerevent_stop (nd);
    nd->u.scr.timer = newtimer;
    if (flag >= 0)
        npc_timerevent_start (nd);
    return 0;
}

/*==========================================
 * イベント型のNPC処理
 *------------------------------------------
 */
int npc_event (struct map_session_data *sd, const char *eventname,
               int mob_kill)
{
    struct event_data *ev = (struct event_data *)strdb_search (ev_db, eventname);
    struct npc_data *nd;
    int  xs, ys;
    char mobevent[100];

    if (sd == NULL)
    {
        printf ("npc_event nullpo?\n");
    }

    if (ev == NULL && eventname
        && strcmp (((eventname) + strlen (eventname) - 9), "::OnTouch") == 0)
        return 1;

    if (ev == NULL || (nd = ev->nd) == NULL)
    {
        if (mob_kill && (ev == NULL || (nd = ev->nd) == NULL))
        {
            strcpy (mobevent, eventname);
            strcat (mobevent, "::OnMyMobDead");
            ev = (struct event_data *)strdb_search (ev_db, mobevent);
            if (ev == NULL || (nd = ev->nd) == NULL)
            {
                if (strncasecmp (eventname, "GM_MONSTER", 10) != 0)
                    printf ("npc_event: event not found [%s]\n", mobevent);
                return 0;
            }
        }
        else
        {
            if (battle_config.error_log)
                printf ("npc_event: event not found [%s]\n", eventname);
            return 0;
        }
    }

    xs = nd->u.scr.xs;
    ys = nd->u.scr.ys;
    if (xs >= 0 && ys >= 0)
    {
        if (nd->bl.m != sd->bl.m)
            return 1;
        if (xs > 0
            && (sd->bl.x < nd->bl.x - xs / 2 || nd->bl.x + xs / 2 < sd->bl.x))
            return 1;
        if (ys > 0
            && (sd->bl.y < nd->bl.y - ys / 2 || nd->bl.y + ys / 2 < sd->bl.y))
            return 1;
    }

    if (sd->npc_id != 0)
    {
//      if (battle_config.error_log)
//          printf("npc_event: npc_id != 0\n");
        int  i;
        for (i = 0; i < MAX_EVENTQUEUE; i++)
            if (!sd->eventqueue[i][0])
                break;
        if (i == MAX_EVENTQUEUE)
        {
            if (battle_config.error_log)
                printf ("npc_event: event queue is full !\n");
        }
        else
        {
//          if (battle_config.etc_log)
//              printf("npc_event: enqueue\n");
            strncpy (sd->eventqueue[i], eventname, 50);
            sd->eventqueue[i][49] = '\0';
        }
        return 1;
    }
    if (nd->flag & 1)
    {                           // 無効化されている
        npc_event_dequeue (sd);
        return 0;
    }

    sd->npc_id = nd->bl.id;
    sd->npc_pos =
        run_script (nd->u.scr.script, ev->pos, sd->bl.id, nd->bl.id);
    return 0;
}

static
void npc_command_sub (db_key_t key, db_val_t data, va_list ap)
{
    const char *p = key.s;
    struct event_data *ev = (struct event_data *) data;
    char *npcname = va_arg (ap, char *);
    char *command = va_arg (ap, char *);
    char temp[100];

    if (strcmp (ev->nd->name, npcname) == 0 && (p = strchr (p, ':')) && p
        && strncasecmp ("::OnCommand", p, 10) == 0)
    {
        sscanf (&p[11], "%s", temp);

        if (strcmp (command, temp) == 0)
            run_script (ev->nd->u.scr.script, ev->pos, 0, ev->nd->bl.id);
    }
}

int npc_command (struct map_session_data *sd, const char *npcname, const char *command)
{
    strdb_foreach (ev_db, npc_command_sub, npcname, command);

    return 0;
}

/*==========================================
 * 接触型のNPC処理
 *------------------------------------------
 */
int npc_touch_areanpc (struct map_session_data *sd, int m, int x, int y)
{
    int  i, f = 1;
    int  xs, ys;

    nullpo_retr (1, sd);

    if (sd->npc_id)
        return 1;

    for (i = 0; i < map[m].npc_num; i++)
    {
        if (map[m].npc[i]->flag & 1)
        {                       // 無効化されている
            f = 0;
            continue;
        }

        switch (map[m].npc[i]->bl.subtype)
        {
            case WARP:
                xs = map[m].npc[i]->u.warp.xs;
                ys = map[m].npc[i]->u.warp.ys;
                break;
            case MESSAGE:
            case SCRIPT:
                xs = map[m].npc[i]->u.scr.xs;
                ys = map[m].npc[i]->u.scr.ys;
                break;
            default:
                continue;
        }
        if (x >= map[m].npc[i]->bl.x - xs / 2
            && x < map[m].npc[i]->bl.x - xs / 2 + xs
            && y >= map[m].npc[i]->bl.y - ys / 2
            && y < map[m].npc[i]->bl.y - ys / 2 + ys)
            break;
    }
    if (i == map[m].npc_num)
    {
        if (f)
        {
            if (battle_config.error_log)
                printf ("npc_touch_areanpc : some bug \n");
        }
        return 1;
    }
    switch (map[m].npc[i]->bl.subtype)
    {
        case WARP:
            skill_stop_dancing (&sd->bl, 0);
            pc_setpos (sd, map[m].npc[i]->u.warp.name,
                       map[m].npc[i]->u.warp.x, map[m].npc[i]->u.warp.y, 0);
            break;
        case MESSAGE:
        case SCRIPT:
        {
            char *name = (char *)malloc (50);

            memcpy (name, map[m].npc[i]->name, 50);
            if (sd->areanpc_id == map[m].npc[i]->bl.id)
                return 1;
            sd->areanpc_id = map[m].npc[i]->bl.id;
            if (npc_event (sd, strcat (name, "::OnTouch"), 0) > 0)
                npc_click (sd, map[m].npc[i]->bl.id);
            free (name);
            break;
        }
    }
    return 0;
}

/*==========================================
 * 近くかどうかの判定
 *------------------------------------------
 */
int npc_checknear (struct map_session_data *sd, int id)
{
    struct npc_data *nd;

    nullpo_retr (0, sd);

    nd = (struct npc_data *) map_id2bl (id);
    if (nd == NULL || nd->bl.type != BL_NPC)
    {
        if (battle_config.error_log)
            printf ("no such npc : %d\n", id);
        return 1;
    }

    if (nd->npc_class < 0)          // イベント系は常にOK
        return 0;

    // エリア判定
    if (nd->bl.m != sd->bl.m ||
        nd->bl.x < sd->bl.x - AREA_SIZE - 1
        || nd->bl.x > sd->bl.x + AREA_SIZE + 1
        || nd->bl.y < sd->bl.y - AREA_SIZE - 1
        || nd->bl.y > sd->bl.y + AREA_SIZE + 1)
        return 1;

    return 0;
}

/*==========================================
 * クリック時のNPC処理
 *------------------------------------------
 */
int npc_click (struct map_session_data *sd, int id)
{
    struct npc_data *nd;

    nullpo_retr (1, sd);

    if (sd->npc_id != 0)
    {
        if (battle_config.error_log)
            printf ("npc_click: npc_id != 0\n");
        return 1;
    }

    if (npc_checknear (sd, id)) {
        clif_scriptclose (sd, id);
        return 1;
    }

    nd = (struct npc_data *) map_id2bl (id);

    if (nd->flag & 1)           // 無効化されている
        return 1;

    sd->npc_id = id;
    switch (nd->bl.subtype)
    {
        case SHOP:
            clif_npcbuysell (sd, id);
            npc_event_dequeue (sd);
            break;
        case SCRIPT:
            sd->npc_pos = run_script (nd->u.scr.script, 0, sd->bl.id, id);
            break;
        case MESSAGE:
            if (nd->u.message)
            {
                clif_scriptmes (sd, id, nd->u.message);
                clif_scriptclose (sd, id);
            }
            break;
    }

    return 0;
}

/*==========================================
 *
 *------------------------------------------
 */
int npc_scriptcont (struct map_session_data *sd, int id)
{
    struct npc_data *nd;

    nullpo_retr (1, sd);

    if (id != sd->npc_id)
        return 1;
    if (npc_checknear (sd, id)) {
        clif_scriptclose (sd, id);
        return 1;
    }

    nd = (struct npc_data *) map_id2bl (id);

    if (!nd /* NPC was disposed? */  || nd->bl.subtype == MESSAGE)
    {
        clif_scriptclose (sd, id);
        npc_event_dequeue (sd);
        return 0;
    }

    sd->npc_pos = run_script (nd->u.scr.script, sd->npc_pos, sd->bl.id, id);

    return 0;
}

/*==========================================
 *
 *------------------------------------------
 */
int npc_buysellsel (struct map_session_data *sd, int id, int type)
{
    struct npc_data *nd;

    nullpo_retr (1, sd);

    if (npc_checknear (sd, id))
        return 1;

    nd = (struct npc_data *) map_id2bl (id);
    if (nd->bl.subtype != SHOP)
    {
        if (battle_config.error_log)
            printf ("no such shop npc : %d\n", id);
        sd->npc_id = 0;
        return 1;
    }
    if (nd->flag & 1)           // 無効化されている
        return 1;

    sd->npc_shopid = id;
    if (type == 0)
    {
        clif_buylist (sd, nd);
    }
    else
    {
        clif_selllist (sd);
    }
    return 0;
}

/*==========================================
 *
 *------------------------------------------
 */
int npc_buylist (struct map_session_data *sd, int n,
                 unsigned short *item_list)
{
    struct npc_data *nd;
    double z;
    int  i, j, w, skill, itemamount = 0, new_stacks = 0;

    nullpo_retr (3, sd);
    nullpo_retr (3, item_list);

    if (npc_checknear (sd, sd->npc_shopid))
        return 3;

    nd = (struct npc_data *) map_id2bl (sd->npc_shopid);
    if (nd->bl.subtype != SHOP)
        return 3;

    for (i = 0, w = 0, z = 0; i < n; i++)
    {
        for (j = 0; nd->u.shop_item[j].nameid; j++)
        {
            if (nd->u.shop_item[j].nameid == item_list[i * 2 + 1])
                break;
        }
        if (nd->u.shop_item[j].nameid == 0)
            return 3;

        if (itemdb_value_notdc (nd->u.shop_item[j].nameid))
            z += (double) nd->u.shop_item[j].value * item_list[i * 2];
        else
            z += (double) pc_modifybuyvalue (sd,
                                             nd->u.shop_item[j].value) *
                item_list[i * 2];
        itemamount += item_list[i * 2];

        switch (pc_checkadditem (sd, item_list[i * 2 + 1], item_list[i * 2]))
        {
            case ADDITEM_EXIST:
                break;
            case ADDITEM_NEW:
                if (itemdb_isequip (item_list[i * 2 + 1]))
                    new_stacks += item_list[i * 2];
                else
                    new_stacks++;
                break;
            case ADDITEM_OVERAMOUNT:
                return 2;
        }

        w += itemdb_weight (item_list[i * 2 + 1]) * item_list[i * 2];
    }

    if (z > (double) sd->status.zeny)
        return 1;               // zeny不足
    if (w + sd->weight > sd->max_weight)
        return 2;               // 重量超過
    if (pc_inventoryblank (sd) < new_stacks)
        return 3;               // 種類数超過
    if (sd->trade_partner != 0)
        return 4;               // cant buy while trading

    pc_payzeny (sd, (int) z);

    for (i = 0; i < n; i++)
    {
        struct item_data *item_data;
        if ((item_data = itemdb_exists (item_list[i * 2 + 1])) != NULL)
        {
            int  amount = item_list[i * 2];
            struct item item_tmp;
            memset (&item_tmp, 0, sizeof (item_tmp));

            item_tmp.nameid = item_data->nameid;
            item_tmp.identify = 1;  // npc販売アイテムは鑑定済み

            if (amount > 1
                && (item_data->type == 4 || item_data->type == 5
                    || item_data->type == 7 || item_data->type == 8))
            {
                for (j = 0; j < amount; j++)
                {
                    pc_additem (sd, &item_tmp, 1);
                }
            }
            else
            {
                pc_additem (sd, &item_tmp, amount);
            }
        }
    }

    //商人経験値
/*	if ((sd->status.class == 5) || (sd->status.class == 10) || (sd->status.class == 18)) {
		z = z * pc_checkskill(sd,MC_DISCOUNT) / ((1 + 300 / itemamount) * 4000) * battle_config.shop_exp;
		pc_gainexp(sd,0,z);
	}*/
    if (battle_config.shop_exp > 0 && z > 0
        && (skill = pc_checkskill (sd, MC_DISCOUNT)) > 0)
    {
        if (skill > 0)
        {
            z = (log (z * (double) skill) * (double) battle_config.shop_exp /
                 100.);
            if (z < 1)
                z = 1;
            pc_gainexp (sd, 0, (int) z);
        }
    }

    return 0;
}

/*==========================================
 *
 *------------------------------------------
 */
int npc_selllist (struct map_session_data *sd, int n,
                  unsigned short *item_list)
{
    double z;
    int  i, skill, itemamount = 0;

    nullpo_retr (1, sd);
    nullpo_retr (1, item_list);

    if (npc_checknear (sd, sd->npc_shopid))
        return 1;
    for (i = 0, z = 0; i < n; i++)
    {
        int  nameid;
        if (item_list[i * 2] - 2 < 0 || item_list[i * 2] - 2 >= MAX_INVENTORY)
            return 1;
        nameid = sd->status.inventory[item_list[i * 2] - 2].nameid;
        if (nameid == 0 ||
            sd->status.inventory[item_list[i * 2] - 2].amount <
            item_list[i * 2 + 1])
            return 1;
        if (sd->trade_partner != 0)
            return 2;           // cant sell while trading
        if (itemdb_value_notoc (nameid))
            z += (double) itemdb_value_sell (nameid) * item_list[i * 2 + 1];
        else
            z += (double) pc_modifysellvalue (sd,
                                              itemdb_value_sell (nameid)) *
                item_list[i * 2 + 1];
        itemamount += item_list[i * 2 + 1];
    }

    if (z > MAX_ZENY)
        z = MAX_ZENY;
    pc_getzeny (sd, (int) z);
    for (i = 0; i < n; i++)
    {
        int  item_id = item_list[i * 2] - 2;
        pc_delitem (sd, item_id, item_list[i * 2 + 1], 0);
    }

    //商人経験値
/*	if ((sd->status.class == 5) || (sd->status.class == 10) || (sd->status.class == 18)) {
		z = z * pc_checkskill(sd,MC_OVERCHARGE) / ((1 + 500 / itemamount) * 4000) * battle_config.shop_exp ;
		pc_gainexp(sd,0,z);
	}*/
    if (battle_config.shop_exp > 0 && z > 0
        && (skill = pc_checkskill (sd, MC_OVERCHARGE)) > 0)
    {
        if (skill > 0)
        {
            z = (log (z * (double) skill) * (double) battle_config.shop_exp /
                 100.);
            if (z < 1)
                z = 1;
            pc_gainexp (sd, 0, (int) z);
        }
    }

    return 0;

}

//
// 初期化関係
//

/*==========================================
 * 読み込むnpcファイルのクリア
 *------------------------------------------
 */
static
void npc_clearsrcfile (void)
{
    struct npc_src_list *p = npc_src_first;

    while (p)
    {
        struct npc_src_list *p2 = p;
        p = p->next;
        free (p2);
    }
    npc_src_first = NULL;
    npc_src_last = NULL;
}

/*==========================================
 * 読み込むnpcファイルの追加
 *------------------------------------------
 */
void npc_addsrcfile (char *name)
{
    struct npc_src_list *new_src;
    size_t len;

    if (strcasecmp (name, "clear") == 0)
    {
        npc_clearsrcfile ();
        return;
    }

    len = sizeof (*new_src) + strlen (name);
    new_src = (struct npc_src_list *) calloc (1, len);
    new_src->next = NULL;
    strncpy (new_src->name, name, strlen (name) + 1);
    if (npc_src_first == NULL)
        npc_src_first = new_src;
    if (npc_src_last)
        npc_src_last->next = new_src;

    npc_src_last = new_src;
}

/*==========================================
 * 読み込むnpcファイルの削除
 *------------------------------------------
 */
void npc_delsrcfile (char *name)
{
    struct npc_src_list *p = npc_src_first, *pp = NULL, **lp = &npc_src_first;

    if (strcasecmp (name, "all") == 0)
    {
        npc_clearsrcfile ();
        return;
    }

    for (; p; lp = &p->next, pp = p, p = p->next)
    {
        if (strcmp (p->name, name) == 0)
        {
            *lp = p->next;
            if (npc_src_last == p)
                npc_src_last = pp;
            free (p);
            break;
        }
    }
}

/*==========================================
 * warp行解析
 *------------------------------------------
 */
int npc_parse_warp (const char *w1, const char *w2, const char *w3, const char *w4)
{
    int  x, y, xs, ys, to_x, to_y, m;
    int  i, j;
    char mapname[24], to_mapname[24];
    struct npc_data *nd;

    // 引数の個数チェック
    if (sscanf (w1, "%[^,],%d,%d", mapname, &x, &y) != 3 ||
        sscanf (w4, "%d,%d,%[^,],%d,%d", &xs, &ys, to_mapname, &to_x,
                &to_y) != 5)
    {
        printf ("bad warp line : %s\n", w3);
        return 1;
    }

    m = map_mapname2mapid (mapname);

    nd = (struct npc_data *) calloc (1, sizeof (struct npc_data));
    nd->bl.id = npc_get_new_npc_id ();
    nd->n = map_addnpc (m, nd);

    nd->bl.prev = nd->bl.next = NULL;
    nd->bl.m = m;
    nd->bl.x = x;
    nd->bl.y = y;
    nd->dir = 0;
    nd->flag = 0;
    memcpy (nd->name, w3, 24);
    memcpy (nd->exname, w3, 24);

    nd->chat_id = 0;
    if (!battle_config.warp_point_debug)
        nd->npc_class = WARP_CLASS;
    else
        nd->npc_class = WARP_DEBUG_CLASS;
    nd->speed = 200;
    nd->option = 0;
    nd->opt1 = 0;
    nd->opt2 = 0;
    nd->opt3 = 0;
    memcpy (nd->u.warp.name, to_mapname, 16);
    xs += 2;
    ys += 2;
    nd->u.warp.x = to_x;
    nd->u.warp.y = to_y;
    nd->u.warp.xs = xs;
    nd->u.warp.ys = ys;

    for (i = 0; i < ys; i++)
    {
        for (j = 0; j < xs; j++)
        {
            int  t;
            t = map_getcell (m, x - xs / 2 + j, y - ys / 2 + i);
            if (t == 1 || t == 5)
                continue;
            map_setcell (m, x - xs / 2 + j, y - ys / 2 + i, t | 0x80);
        }
    }

//  printf("warp npc %s %d read done\n",mapname,nd->bl.id);
    npc_warp++;
    nd->bl.type = BL_NPC;
    nd->bl.subtype = WARP;
    map_addblock (&nd->bl);
    clif_spawnnpc (nd);
    strdb_insert (npcname_db, nd->name, nd);

    return 0;
}

/*==========================================
 * shop行解析
 *------------------------------------------
 */
static int npc_parse_shop (char *w1, char *w2, char *w3, char *w4)
{
    char *p;
    int  x, y, dir, m;
    int  max = 100, pos = 0;
    char mapname[24];
    struct npc_data *nd;

    // 引数の個数チェック
    if (sscanf (w1, "%[^,],%d,%d,%d", mapname, &x, &y, &dir) != 4 ||
        strchr (w4, ',') == NULL)
    {
        printf ("bad shop line : %s\n", w3);
        return 1;
    }
    m = map_mapname2mapid (mapname);

    nd = (struct npc_data *) calloc (1, sizeof (struct npc_data) +
                                      sizeof (nd->u.shop_item[0]) * (max +
                                                                     1));
    p = strchr (w4, ',');

    while (p && pos < max)
    {
        int  nameid, value;
        char name[24];
        struct item_data *id = NULL;
        p++;
        if (sscanf (p, "%d:%d", &nameid, &value) == 2)
        {
        }
        else if (sscanf (p, "%s :%d", name, &value) == 2)
        {
            id = itemdb_searchname (name);
            if (id == NULL)
                nameid = -1;
            else
                nameid = id->nameid;
        }
        else
            break;

        if (nameid > 0)
        {
            nd->u.shop_item[pos].nameid = nameid;
            if (value < 0)
            {
                if (id == NULL)
                    id = itemdb_search (nameid);
                value = id->value_buy * abs (value);

            }
            nd->u.shop_item[pos].value = value;
            pos++;
        }
        p = strchr (p, ',');
    }
    if (pos == 0)
    {
        free (nd);
        return 1;
    }
    nd->u.shop_item[pos++].nameid = 0;

    nd->bl.prev = nd->bl.next = NULL;
    nd->bl.m = m;
    nd->bl.x = x;
    nd->bl.y = y;
    nd->bl.id = npc_get_new_npc_id ();
    nd->dir = dir;
    nd->flag = 0;
    memcpy (nd->name, w3, 24);
    nd->npc_class = atoi (w4);
    nd->speed = 200;
    nd->chat_id = 0;
    nd->option = 0;
    nd->opt1 = 0;
    nd->opt2 = 0;
    nd->opt3 = 0;

    nd = (struct npc_data *)
        realloc (nd, sizeof (struct npc_data) + sizeof (nd->u.shop_item[0]) * pos);

    //printf("shop npc %s %d read done\n",mapname,nd->bl.id);
    npc_shop++;
    nd->bl.type = BL_NPC;
    nd->bl.subtype = SHOP;
    nd->n = map_addnpc (m, nd);
    map_addblock (&nd->bl);
    clif_spawnnpc (nd);
    strdb_insert (npcname_db, nd->name, nd);

    return 0;
}

/*==========================================
 * NPCのラベルデータコンバート
 *------------------------------------------
 */
static
void npc_convertlabel_db (db_key_t key, db_val_t data, va_list ap)
{
    const char *lname = key.s;
    int  pos = (int) data;
    struct npc_data *nd;
    struct npc_label_list *lst;
    int  num;
    // this exists for evil purposes
    char *p = const_cast<char *>(strchr (lname, ':'));

    nullpo_retv (ap);
    nullpo_retv (nd = va_arg (ap, struct npc_data *));

    lst = nd->u.scr.label_list;
    num = nd->u.scr.label_list_num;
    if (!lst)
    {
        lst = (struct npc_label_list *)
                calloc (1, sizeof (struct npc_label_list));
        num = 0;
    }
    else
        lst = (struct npc_label_list *)
                realloc (lst, sizeof (struct npc_label_list) * (num + 1));

    *p = '\0';
    // temporarily NUL-terminate lname
    strncpy (lst[num].name, lname, sizeof(lst[num].name)-1);
    lst[num].name[sizeof(lst[num].name)-1] = '\0';
    *p = ':';
    lst[num].pos = pos;
    nd->u.scr.label_list = lst;
    nd->u.scr.label_list_num = num + 1;
}

/*==========================================
 * script行解析
 *------------------------------------------
 */
static
int npc_parse_script (char *w1, char *w2, char *w3, char *w4,
                      const char *first_line, FILE * fp, int *lines)
{
    int  x, y, dir = 0, m, xs = 0, ys = 0, npc_class = 0;   // [Valaris] thanks to fov
    char mapname[24];
    char *srcbuf = NULL;
    const ScriptCode *script = NULL;
    int  srcsize = 65536;
    int  startline = 0;
    char line[1024];
    struct npc_data *nd;
    int  evflag = 0;
    struct dbt *label_db;
    char *p;
    struct npc_label_list *label_dup = NULL;
    int  label_dupnum = 0;
    int  src_id = 0;

    if (strcmp (w1, "-") == 0)
    {
        x = 0;
        y = 0;
        m = -1;
    }
    else
    {
        // 引数の個数チェック
        if (sscanf (w1, "%[^,],%d,%d,%d", mapname, &x, &y, &dir) != 4 ||
            (strcmp (w2, "script") == 0 && strchr (w4, ',') == NULL))
        {
            printf ("bad script line : %s\n", w3);
            return 1;
        }
        m = map_mapname2mapid (mapname);
    }

    if (strcmp (w2, "script") == 0)
    {
        // スクリプトの解析
        srcbuf = (char *) calloc (srcsize, sizeof (char));
        if (strchr (first_line, '{'))
        {
            strcpy (srcbuf, strchr (first_line, '{'));
            startline = *lines;
        }
        else
            srcbuf[0] = 0;
        while (1)
        {
            int i;
            for (i = strlen (srcbuf) - 1; i >= 0 && isspace (srcbuf[i]); i--);
            if (i >= 0 && srcbuf[i] == '}')
                break;
            if (!fgets (line, 1020, fp))
                break;
            (*lines)++;
            if (feof (fp))
                break;
            if (strlen (srcbuf) + strlen (line) + 1 >= srcsize)
            {
                srcsize += 65536;
                srcbuf = (char *) realloc (srcbuf, srcsize);
                memset (srcbuf + srcsize - 65536, '\0', 65536);
            }
            if (srcbuf[0] != '{')
            {
                if (strchr (line, '{'))
                {
                    strcpy (srcbuf, strchr (line, '{'));
                    startline = *lines;
                }
            }
            else
                strcat (srcbuf, line);
        }
        script = parse_script (srcbuf, startline);
        if (script == NULL)
        {
            // script parse error?
            free (srcbuf);
            return 1;
        }

    }
    else
    {
        // duplicateする

        char srcname[128];
        struct npc_data *nd2;
        if (sscanf (w2, "duplicate(%[^)])", srcname) != 1)
        {
            printf ("bad duplicate name! : %s", w2);
            return 0;
        }
        if ((nd2 = npc_name2id (srcname)) == NULL)
        {
            printf ("bad duplicate name! (not exist) : %s\n", srcname);
            return 0;
        }
        script = nd2->u.scr.script;
        label_dup = nd2->u.scr.label_list;
        label_dupnum = nd2->u.scr.label_list_num;
        src_id = nd2->bl.id;

    }                           // end of スクリプト解析

    nd = (struct npc_data *) calloc (1, sizeof (struct npc_data));

    if (m == -1)
    {
        // スクリプトコピー用のダミーNPC

    }
    else if (sscanf (w4, "%d,%d,%d", &npc_class, &xs, &ys) == 3)
    {
        // 接触型NPC
        int  i, j;

        if (xs >= 0)
            xs = xs * 2 + 1;
        if (ys >= 0)
            ys = ys * 2 + 1;

        if (npc_class >= 0)
        {

            for (i = 0; i < ys; i++)
            {
                for (j = 0; j < xs; j++)
                {
                    int  t;
                    t = map_getcell (m, x - xs / 2 + j, y - ys / 2 + i);
                    if (t == 1 || t == 5)
                        continue;
                    map_setcell (m, x - xs / 2 + j, y - ys / 2 + i, t | 0x80);
                }
            }
        }

        nd->u.scr.xs = xs;
        nd->u.scr.ys = ys;
    }
    else
    {                           // クリック型NPC
        npc_class = atoi (w4);
        nd->u.scr.xs = 0;
        nd->u.scr.ys = 0;
    }

    if (npc_class < 0 && m >= 0)
    {                           // イベント型NPC
        evflag = 1;
    }

    while ((p = strchr (w3, ':')))
    {
        if (p[1] == ':')
            break;
    }
    if (p)
    {
        *p = 0;
        memcpy (nd->name, w3, 24);
        memcpy (nd->exname, p + 2, 24);
    }
    else
    {
        memcpy (nd->name, w3, 24);
        memcpy (nd->exname, w3, 24);
    }

    nd->bl.prev = nd->bl.next = NULL;
    nd->bl.m = m;
    nd->bl.x = x;
    nd->bl.y = y;
    nd->bl.id = npc_get_new_npc_id ();
    nd->dir = dir;
    nd->flag = 0;
    nd->npc_class = npc_class;
    nd->speed = 200;
    nd->u.scr.script = script;
    nd->u.scr.src_id = src_id;
    nd->chat_id = 0;
    nd->option = 0;
    nd->opt1 = 0;
    nd->opt2 = 0;
    nd->opt3 = 0;

    //printf("script npc %s %d %d read done\n",mapname,nd->bl.id,nd->class);
    npc_script++;
    nd->bl.type = BL_NPC;
    nd->bl.subtype = SCRIPT;
    if (m >= 0)
    {
        nd->n = map_addnpc (m, nd);
        map_addblock (&nd->bl);

        if (evflag)
        {                       // イベント型
            struct event_data *ev =
                (struct event_data *) calloc (1, sizeof (struct event_data));
            ev->nd = nd;
            ev->pos = 0;
            strdb_insert (ev_db, nd->exname, ev);
        }
        else
            clif_spawnnpc (nd);
    }
    strdb_insert (npcname_db, nd->exname, nd);

    //-----------------------------------------
    // ラベルデータの準備
    if (srcbuf)
    {
        // script本体がある場合の処理

        // ラベルデータのコンバート
        label_db = script_get_label_db ();
        strdb_foreach (label_db, npc_convertlabel_db, nd);

        // もう使わないのでバッファ解放
        free (srcbuf);

    }
    else
    {
        // duplicate

//      nd->u.scr.label_list=malloc(sizeof(struct npc_label_list)*label_dupnum);
//      memcpy(nd->u.scr.label_list,label_dup,sizeof(struct npc_label_list)*label_dupnum);

        nd->u.scr.label_list = label_dup;   // ラベルデータ共有
        nd->u.scr.label_list_num = label_dupnum;
    }

    //-----------------------------------------
    // イベント用ラベルデータのエクスポート
    for (int i = 0; i < nd->u.scr.label_list_num; i++)
    {
        char *lname = nd->u.scr.label_list[i].name;
        int  pos = nd->u.scr.label_list[i].pos;

        if ((lname[0] == 'O' || lname[0] == 'o')
            && (lname[1] == 'N' || lname[1] == 'n'))
        {
            struct event_data *ev;
            char *buf;
            // エクスポートされる
            ev = (struct event_data *) calloc (1,
                                                sizeof (struct event_data));
            buf = (char *) calloc (50, sizeof (char));
            if (strlen (lname) > 24)
            {
                printf ("npc_parse_script: label name error !\n");
                exit (1);
            }
            else
            {
                ev->nd = nd;
                ev->pos = pos;
                sprintf (buf, "%s::%s", nd->exname, lname);
                strdb_insert (ev_db, buf, ev);
            }
        }
    }

    //-----------------------------------------
    // ラベルデータからタイマーイベント取り込み
    for (int i = 0; i < nd->u.scr.label_list_num; i++)
    {
        int  t = 0, n = 0;
        char *lname = nd->u.scr.label_list[i].name;
        int  pos = nd->u.scr.label_list[i].pos;
        if (sscanf (lname, "OnTimer%d%n", &t, &n) == 1 && lname[n] == '\0')
        {
            // タイマーイベント
            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 *) calloc (1,
                                                             sizeof (struct
                                                                     npc_timerevent_list));
            else
                te = (struct npc_timerevent_list *) realloc (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 = k + 1;
        }
    }
    nd->u.scr.nexttimer = -1;
    nd->u.scr.timerid = -1;

    return 0;
}

/*==========================================
 * function行解析
 *------------------------------------------
 */
static int npc_parse_function (char *w1, char *w2, char *w3, char *w4,
                               char *first_line, FILE * fp, int *lines)
{
    char *srcbuf = NULL;
    const ScriptCode *script;
    int  srcsize = 65536;
    int  startline = 0;
    char line[1024];
    int  i;
//  struct dbt *label_db;
    char *p;

    // スクリプトの解析
    srcbuf = (char *) calloc (srcsize, sizeof (char));
    if (strchr (first_line, '{'))
    {
        strcpy (srcbuf, strchr (first_line, '{'));
        startline = *lines;
    }
    else
        srcbuf[0] = 0;
    while (1)
    {
        for (i = strlen (srcbuf) - 1; i >= 0 && isspace (srcbuf[i]); i--);
        if (i >= 0 && srcbuf[i] == '}')
            break;
        if (!fgets (line, 1020, fp))
            break;
        (*lines)++;
        if (feof (fp))
            break;
        if (strlen (srcbuf) + strlen (line) + 1 >= srcsize)
        {
            srcsize += 65536;
            srcbuf = (char *) realloc (srcbuf, srcsize);
            memset (srcbuf + srcsize - 65536, '\0', 65536);
        }
        if (srcbuf[0] != '{')
        {
            if (strchr (line, '{'))
            {
                strcpy (srcbuf, strchr (line, '{'));
                startline = *lines;
            }
        }
        else
            strcat (srcbuf, line);
    }
    script = parse_script (srcbuf, startline);
    if (script == NULL)
    {
        // script parse error?
        free (srcbuf);
        return 1;
    }

    p = (char *) calloc (50, sizeof (char));

    strncpy (p, w3, 49);
    strdb_insert (script_get_userfunc_db (), p, script);

//  label_db=script_get_label_db();

    // もう使わないのでバッファ解放
    free (srcbuf);

//  printf("function %s => %p\n",p,script);

    return 0;
}

/*==========================================
 * mob行解析
 *------------------------------------------
 */
int npc_parse_mob (const char *w1, const char *w2, const char *w3, const char *w4)
{
    int  m, x, y, xs, ys, mob_class, num, delay1, delay2;
    int  i;
    char mapname[24];
    char eventname[24] = "";
    struct mob_data *md;

    xs = ys = 0;
    delay1 = delay2 = 0;
    // 引数の個数チェック
    if (sscanf (w1, "%[^,],%d,%d,%d,%d", mapname, &x, &y, &xs, &ys) < 3 ||
        sscanf (w4, "%d,%d,%d,%d,%s", &mob_class, &num, &delay1, &delay2,
                eventname) < 2)
    {
        printf ("bad monster line : %s\n", w3);
        return 1;
    }

    m = map_mapname2mapid (mapname);

    if (num > 1 && battle_config.mob_count_rate != 100)
    {
        if ((num = num * battle_config.mob_count_rate / 100) < 1)
            num = 1;
    }

    for (i = 0; i < num; i++)
    {
        md = (struct mob_data *) calloc (1, sizeof (struct mob_data));

        md->bl.prev = NULL;
        md->bl.next = NULL;
        md->bl.m = m;
        md->bl.x = x;
        md->bl.y = y;
        if (strcmp (w3, "--en--") == 0)
            memcpy (md->name, mob_db[mob_class].name, 24);
        else if (strcmp (w3, "--ja--") == 0)
            memcpy (md->name, mob_db[mob_class].jname, 24);
        else
            memcpy (md->name, w3, 24);

        md->n = i;
        md->base_class = md->mob_class = mob_class;
        md->bl.id = npc_get_new_npc_id ();
        md->m = m;
        md->x0 = x;
        md->y0 = y;
        md->xs = xs;
        md->ys = ys;
        md->spawndelay1 = delay1;
        md->spawndelay2 = delay2;

        memset (&md->state, 0, sizeof (md->state));
        md->timer = -1;
        md->target_id = 0;
        md->attacked_id = 0;

        if (mob_db[mob_class].mode & 0x02)
            md->lootitem =
                (struct item *) calloc (LOOTITEM_SIZE, sizeof (struct item));
        else
            md->lootitem = NULL;

        if (strlen (eventname) >= 4)
        {
            memcpy (md->npc_event, eventname, 24);
        }
        else
            memset (md->npc_event, 0, 24);

        md->bl.type = BL_MOB;
        map_addiddb (&md->bl);
        mob_spawn (md->bl.id);

        npc_mob++;
    }
    //printf("warp npc %s %d read done\n",mapname,nd->bl.id);

    return 0;
}

/*==========================================
 * マップフラグ行の解析
 *------------------------------------------
 */
static int npc_parse_mapflag (char *w1, char *w2, char *w3, char *w4)
{
    int  m;
    char mapname[24], savemap[16];
    int  savex, savey;
    char drop_arg1[16], drop_arg2[16];
    int  drop_id = 0, drop_type = 0, drop_per = 0;

    // 引数の個数チェック
//  if (    sscanf(w1,"%[^,],%d,%d,%d",mapname,&x,&y,&dir) != 4 )
    if (sscanf (w1, "%[^,]", mapname) != 1)
        return 1;

    m = map_mapname2mapid (mapname);
    if (m < 0)
        return 1;

//マップフラグ
    if (strcasecmp (w3, "nosave") == 0)
    {
        if (strcmp (w4, "SavePoint") == 0)
        {
            memcpy (map[m].save.map, "SavePoint", 16);
            map[m].save.x = -1;
            map[m].save.y = -1;
        }
        else if (sscanf (w4, "%[^,],%d,%d", savemap, &savex, &savey) == 3)
        {
            memcpy (map[m].save.map, savemap, 16);
            map[m].save.x = savex;
            map[m].save.y = savey;
        }
        map[m].flag.nosave = 1;
    }
    else if (strcasecmp (w3, "nomemo") == 0)
    {
        map[m].flag.nomemo = 1;
    }
    else if (strcasecmp (w3, "noteleport") == 0)
    {
        map[m].flag.noteleport = 1;
    }
    else if (strcasecmp (w3, "nowarp") == 0)
    {
        map[m].flag.nowarp = 1;
    }
    else if (strcasecmp (w3, "nowarpto") == 0)
    {
        map[m].flag.nowarpto = 1;
    }
    else if (strcasecmp (w3, "noreturn") == 0)
    {
        map[m].flag.noreturn = 1;
    }
    else if (strcasecmp (w3, "monster_noteleport") == 0)
    {
        map[m].flag.monster_noteleport = 1;
    }
    else if (strcasecmp (w3, "nobranch") == 0)
    {
        map[m].flag.nobranch = 1;
    }
    else if (strcasecmp (w3, "nopenalty") == 0)
    {
        map[m].flag.nopenalty = 1;
    }
    else if (strcasecmp (w3, "pvp") == 0)
    {
        map[m].flag.pvp = 1;
    }
    else if (strcasecmp (w3, "pvp_noparty") == 0)
    {
        map[m].flag.pvp_noparty = 1;
    }
    else if (strcasecmp (w3, "pvp_noguild") == 0)
    {
        map[m].flag.pvp_noguild = 1;
    }
    else if (strcasecmp (w3, "pvp_nightmaredrop") == 0)
    {
        if (sscanf (w4, "%[^,],%[^,],%d", drop_arg1, drop_arg2, &drop_per) ==
            3)
        {
            int  i;
            if (strcmp (drop_arg1, "random") == 0)
                drop_id = -1;
            else if (itemdb_exists ((drop_id = atoi (drop_arg1))) == NULL)
                drop_id = 0;
            if (strcmp (drop_arg2, "inventory") == 0)
                drop_type = 1;
            else if (strcmp (drop_arg2, "equip") == 0)
                drop_type = 2;
            else if (strcmp (drop_arg2, "all") == 0)
                drop_type = 3;

            if (drop_id != 0)
            {
                for (i = 0; i < MAX_DROP_PER_MAP; i++)
                {
                    if (map[m].drop_list[i].drop_id == 0)
                    {
                        map[m].drop_list[i].drop_id = drop_id;
                        map[m].drop_list[i].drop_type = drop_type;
                        map[m].drop_list[i].drop_per = drop_per;
                        break;
                    }
                }
                map[m].flag.pvp_nightmaredrop = 1;
            }
        }
    }
    else if (strcasecmp (w3, "pvp_nocalcrank") == 0)
    {
        map[m].flag.pvp_nocalcrank = 1;
    }
    else if (strcasecmp (w3, "gvg") == 0)
    {
        map[m].flag.gvg = 1;
    }
    else if (strcasecmp (w3, "gvg_noparty") == 0)
    {
        map[m].flag.gvg_noparty = 1;
    }
    else if (strcasecmp (w3, "nozenypenalty") == 0)
    {
        map[m].flag.nozenypenalty = 1;
    }
    else if (strcasecmp (w3, "notrade") == 0)
    {
        map[m].flag.notrade = 1;
    }
    else if (strcasecmp (w3, "noskill") == 0)
    {
        map[m].flag.noskill = 1;
    }
    else if (battle_config.pk_mode && strcasecmp (w3, "nopvp") == 0)
    {                           // nopvp for pk mode [Valaris]
        map[m].flag.nopvp = 1;
        map[m].flag.pvp = 0;
    }
    else if (strcasecmp (w3, "noicewall") == 0)
    {                           // noicewall [Valaris]
        map[m].flag.noicewall = 1;
    }
    else if (strcasecmp (w3, "snow") == 0)
    {                           // snow [Valaris]
        map[m].flag.snow = 1;
    }
    else if (strcasecmp (w3, "fog") == 0)
    {                           // fog [Valaris]
        map[m].flag.fog = 1;
    }
    else if (strcasecmp (w3, "sakura") == 0)
    {                           // sakura [Valaris]
        map[m].flag.sakura = 1;
    }
    else if (strcasecmp (w3, "leaves") == 0)
    {                           // leaves [Valaris]
        map[m].flag.leaves = 1;
    }
    else if (strcasecmp (w3, "rain") == 0)
    {                           // rain [Valaris]
        map[m].flag.rain = 1;
    }
    else if (strcasecmp (w3, "no_player_drops") == 0)
    {                           // no player drops [Jaxad0127]
        map[m].flag.no_player_drops = 1;
    }
    else if (strcasecmp (w3, "town") == 0)
    {                           // town/safe zone [remoitnane]
        map[m].flag.town = 1;
    }

    return 0;
}

static void ev_db_final (db_key_t key, db_val_t data, va_list ap)
{
    free (data);
    if (strstr (key.s, "::") != NULL)
        free ((char*)key.s);
}

struct npc_data *npc_spawn_text (int m, int x, int y,
                                 int npc_class, const char *name, const char *message)
{
    struct npc_data *retval =
        (struct npc_data *) calloc (1, sizeof (struct npc_data));
    retval->bl.id = npc_get_new_npc_id ();
    retval->bl.x = x;
    retval->bl.y = y;
    retval->bl.m = m;
    retval->bl.type = BL_NPC;
    retval->bl.subtype = MESSAGE;

    strncpy (retval->name, name, 23);
    strncpy (retval->exname, name, 23);
    retval->name[15] = 0;
    retval->exname[15] = 0;
    retval->u.message = message ? strdup (message) : NULL;

    retval->npc_class = npc_class;
    retval->speed = 200;

    clif_spawnnpc (retval);
    map_addblock (&retval->bl);
    map_addiddb (&retval->bl);
    if (retval->name && retval->name[0])
        strdb_insert (npcname_db, retval->name, retval);

    return retval;
}

static void npc_free_internal (struct npc_data *nd)
{
    struct chat_data *cd;

    if (nd->chat_id && (cd = (struct chat_data *) map_id2bl (nd->chat_id)))
    {
        free (cd);
        cd = NULL;
    }
    if (nd->bl.subtype == SCRIPT)
    {
        if (nd->u.scr.timer_event)
            free (nd->u.scr.timer_event);
        if (nd->u.scr.src_id == 0)
        {
            if (nd->u.scr.script)
            {
                free (const_cast<ScriptCode *>(nd->u.scr.script));
                nd->u.scr.script = NULL;
            }
            if (nd->u.scr.label_list)
            {
                free (nd->u.scr.label_list);
                nd->u.scr.label_list = NULL;
            }
        }
    }
    else if (nd->bl.subtype == MESSAGE && nd->u.message)
    {
        free (nd->u.message);
    }
    free (nd);
}

static
void npc_propagate_update (struct npc_data *nd)
{
    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);
}

void npc_free (struct npc_data *nd)
{
    clif_clearchar (&nd->bl, 0);
    npc_propagate_update (nd);
    map_deliddb (&nd->bl);
    map_delblock (&nd->bl);
    npc_free_internal (nd);
}

/*==========================================
 * 終了
 *------------------------------------------
 */
int do_final_npc (void)
{
    int  i;
    struct block_list *bl;
    struct npc_data *nd;
    struct mob_data *md;

    if (ev_db)
        strdb_final (ev_db, ev_db_final);
    if (npcname_db)
        strdb_final (npcname_db, NULL);

    for (i = START_NPC_NUM; i < npc_id; i++)
    {
        if ((bl = map_id2bl (i)))
        {
            if (bl->type == BL_NPC && (nd = (struct npc_data *) bl))
                npc_free_internal (nd);
            else if (bl->type == BL_MOB && (md = (struct mob_data *) bl))
            {
                if (md->lootitem)
                {
                    free (md->lootitem);
                    md->lootitem = NULL;
                }
                free (md);
                md = NULL;
            }
        }
    }

    return 0;
}

static
void ev_release (db_key_t key, db_val_t val)
{
    free ((char*)key.s);
    free (val);
}

/*==========================================
 * npc初期化
 *------------------------------------------
 */
int do_init_npc (void)
{
    struct npc_src_list *nsl;
    FILE *fp;
    char line[1024];
    int  m, lines;

    ev_db = strdb_init (24);
    npcname_db = strdb_init (24);

    ev_db->release = ev_release;

    memset (&ev_tm_b, -1, sizeof (ev_tm_b));

    for (nsl = npc_src_first; nsl; nsl = nsl->next)
    {
        if (nsl->prev)
        {
            free (nsl->prev);
            nsl->prev = NULL;
        }
        fp = fopen_ (nsl->name, "r");
        if (fp == NULL)
        {
            printf ("file not found : %s\n", nsl->name);
            exit (1);
        }
        lines = 0;
        while (fgets (line, 1020, fp))
        {
            char w1[1024], w2[1024], w3[1024], w4[1024], mapname[1024];
            int  i, j, w4pos, count;
            lines++;

            if (line[0] == '/' && line[1] == '/')
                continue;
            // 不要なスペースやタブの連続は詰める
            for (i = j = 0; line[i]; i++)
            {
                if (line[i] == ' ')
                {
                    if (!
                        ((line[i + 1]
                          && (isspace (line[i + 1]) || line[i + 1] == ','))
                         || (j && line[j - 1] == ',')))
                        line[j++] = ' ';
                }
                else if (line[i] == '\t' || line[i] == '|')
                {
                    if (!(j && (line[j - 1] == '\t' || line[j - 1] == '|')))
                        line[j++] = '\t';
                }
                else
                    line[j++] = line[i];
            }
            // 最初はタブ区切りでチェックしてみて、ダメならスペース区切りで確認
            if ((count =
                 sscanf (line, "%[^\t]\t%[^\t]\t%[^\t\r\n]\t%n%[^\t\r\n]", w1,
                         w2, w3, &w4pos, w4)) < 3
                && (count =
                    sscanf (line, "%s%s%s%n%s", w1, w2, w3, &w4pos, w4)) < 3)
            {
                continue;
            }
            // マップの存在確認
            if (strcmp (w1, "-") != 0 && strcasecmp (w1, "function") != 0)
            {
                sscanf (w1, "%[^,]", mapname);
                m = map_mapname2mapid (mapname);
                if (strlen (mapname) > 16 || m < 0)
                {
                    // "mapname" is not assigned to this server
                    continue;
                }
            }
            if (strcasecmp (w2, "warp") == 0 && count > 3)
            {
                npc_parse_warp (w1, w2, w3, w4);
            }
            else if (strcasecmp (w2, "shop") == 0 && count > 3)
            {
                npc_parse_shop (w1, w2, w3, w4);
            }
            else if (strcasecmp (w2, "script") == 0 && count > 3)
            {
                if (strcasecmp (w1, "function") == 0)
                {
                    npc_parse_function (w1, w2, w3, w4, line + w4pos, fp,
                                        &lines);
                }
                else
                {
                    npc_parse_script (w1, w2, w3, w4, line + w4pos, fp,
                                      &lines);
                }
            }
            else if ((i =
                      0, sscanf (w2, "duplicate%n", &i), (i > 0
                                                          && w2[i] == '('))
                     && count > 3)
            {
                npc_parse_script (w1, w2, w3, w4, line + w4pos, fp, &lines);
            }
            else if (strcasecmp (w2, "monster") == 0 && count > 3)
            {
                npc_parse_mob (w1, w2, w3, w4);
            }
            else if (strcasecmp (w2, "mapflag") == 0 && count >= 3)
            {
                npc_parse_mapflag (w1, w2, w3, w4);
            }
        }
        fclose_ (fp);
        printf ("\rLoading NPCs [%d]: %-54s", npc_id - START_NPC_NUM,
                nsl->name);
        fflush (stdout);
    }
    printf ("\rNPCs Loaded: %d [Warps:%d Shops:%d Scripts:%d Mobs:%d]\n",
            npc_id - START_NPC_NUM, npc_warp, npc_shop, npc_script, npc_mob);

    return 0;
}