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rathena/src/map/unit.c
glighta 53d1292de4 -Follow up r17244 r17229 typo on blewcount handler 
-Follow up r17242 upd Cmakefile for cmake build
-Apply Baalberith fix for chan system leaks, thx =) 

git-svn-id: https://svn.code.sf.net/p/rathena/svn/trunk@17245 54d463be-8e91-2dee-dedb-b68131a5f0ec
2013-04-10 08:58:33 +00:00

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// Copyright (c) Athena Dev Teams - Licensed under GNU GPL
// For more information, see LICENCE in the main folder
#include "../common/showmsg.h"
#include "../common/timer.h"
#include "../common/nullpo.h"
#include "../common/db.h"
#include "../common/malloc.h"
#include "../common/random.h"
#include "map.h"
#include "path.h"
#include "pc.h"
#include "mob.h"
#include "pet.h"
#include "homunculus.h"
#include "instance.h"
#include "mercenary.h"
#include "elemental.h"
#include "skill.h"
#include "clif.h"
#include "duel.h"
#include "npc.h"
#include "guild.h"
#include "status.h"
#include "unit.h"
#include "battle.h"
#include "battleground.h"
#include "chat.h"
#include "trade.h"
#include "vending.h"
#include "party.h"
#include "intif.h"
#include "chrif.h"
#include "script.h"
#include "storage.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
const short dirx[8]={0,-1,-1,-1,0,1,1,1};
const short diry[8]={1,1,0,-1,-1,-1,0,1};
struct unit_data* unit_bl2ud(struct block_list *bl)
{
if( bl == NULL) return NULL;
if( bl->type == BL_PC) return &((struct map_session_data*)bl)->ud;
if( bl->type == BL_MOB) return &((struct mob_data*)bl)->ud;
if( bl->type == BL_PET) return &((struct pet_data*)bl)->ud;
if( bl->type == BL_NPC) return &((struct npc_data*)bl)->ud;
if( bl->type == BL_HOM) return &((struct homun_data*)bl)->ud;
if( bl->type == BL_MER) return &((struct mercenary_data*)bl)->ud;
if( bl->type == BL_ELEM) return &((struct elemental_data*)bl)->ud;
return NULL;
}
static int unit_attack_timer(int tid, unsigned int tick, int id, intptr_t data);
static int unit_walktoxy_timer(int tid, unsigned int tick, int id, intptr_t data);
int unit_walktoxy_sub(struct block_list *bl)
{
int i;
struct walkpath_data wpd;
struct unit_data *ud = NULL;
nullpo_retr(1, bl);
ud = unit_bl2ud(bl);
if(ud == NULL) return 0;
if( !path_search(&wpd,bl->m,bl->x,bl->y,ud->to_x,ud->to_y,ud->state.walk_easy,CELL_CHKNOPASS) )
return 0;
memcpy(&ud->walkpath,&wpd,sizeof(wpd));
if (ud->target_to && ud->chaserange>1) {
//Generally speaking, the walk path is already to an adjacent tile
//so we only need to shorten the path if the range is greater than 1.
uint8 dir;
//Trim the last part of the path to account for range,
//but always move at least one cell when requested to move.
for (i = ud->chaserange*10; i > 0 && ud->walkpath.path_len>1;) {
ud->walkpath.path_len--;
dir = ud->walkpath.path[ud->walkpath.path_len];
if(dir&1)
i-=14;
else
i-=10;
ud->to_x -= dirx[dir];
ud->to_y -= diry[dir];
}
}
ud->state.change_walk_target=0;
if (bl->type == BL_PC) {
((TBL_PC *)bl)->head_dir = 0;
clif_walkok((TBL_PC*)bl);
}
clif_move(ud);
if(ud->walkpath.path_pos>=ud->walkpath.path_len)
i = -1;
else if(ud->walkpath.path[ud->walkpath.path_pos]&1)
i = status_get_speed(bl)*14/10;
else
i = status_get_speed(bl);
if( i > 0)
ud->walktimer = add_timer(gettick()+i,unit_walktoxy_timer,bl->id,i);
return 1;
}
static int unit_walktoxy_timer(int tid, unsigned int tick, int id, intptr_t data)
{
int i;
int x,y,dx,dy;
uint8 dir;
struct block_list *bl;
struct map_session_data *sd;
struct mob_data *md;
struct unit_data *ud;
struct mercenary_data *mrd;
bl = map_id2bl(id);
if(bl == NULL)
return 0;
sd = BL_CAST(BL_PC, bl);
md = BL_CAST(BL_MOB, bl);
mrd = BL_CAST(BL_MER, bl);
ud = unit_bl2ud(bl);
if(ud == NULL) return 0;
if(ud->walktimer != tid){
ShowError("unit_walk_timer mismatch %d != %d\n",ud->walktimer,tid);
return 0;
}
ud->walktimer = INVALID_TIMER;
if (bl->prev == NULL) return 0; // Stop moved because it is missing from the block_list
if(ud->walkpath.path_pos>=ud->walkpath.path_len)
return 0;
if(ud->walkpath.path[ud->walkpath.path_pos]>=8)
return 1;
x = bl->x;
y = bl->y;
dir = ud->walkpath.path[ud->walkpath.path_pos];
ud->dir = dir;
dx = dirx[(int)dir];
dy = diry[(int)dir];
if(map_getcell(bl->m,x+dx,y+dy,CELL_CHKNOPASS))
return unit_walktoxy_sub(bl);
//Refresh view for all those we lose sight
map_foreachinmovearea(clif_outsight, bl, AREA_SIZE, dx, dy, sd?BL_ALL:BL_PC, bl);
x += dx;
y += dy;
map_moveblock(bl, x, y, tick);
ud->walk_count++; //walked cell counter, to be used for walk-triggered skills. [Skotlex]
status_change_end(bl, SC_ROLLINGCUTTER, INVALID_TIMER); //If you move, you lose your counters. [malufett]
if (bl->x != x || bl->y != y || ud->walktimer != INVALID_TIMER)
return 0; //map_moveblock has altered the object beyond what we expected (moved/warped it)
ud->walktimer = CLIF_WALK_TIMER; // arbitrary non-INVALID_TIMER value to make the clif code send walking packets
map_foreachinmovearea(clif_insight, bl, AREA_SIZE, -dx, -dy, sd?BL_ALL:BL_PC, bl);
ud->walktimer = INVALID_TIMER;
if(sd) {
if( sd->touching_id )
npc_touchnext_areanpc(sd,false);
if(map_getcell(bl->m,x,y,CELL_CHKNPC)) {
npc_touch_areanpc(sd,bl->m,x,y);
if (bl->prev == NULL) //Script could have warped char, abort remaining of the function.
return 0;
} else
sd->areanpc_id=0;
if( sd->md && !check_distance_bl(&sd->bl, &sd->md->bl, MAX_MER_DISTANCE) )
{
// mercenary should be warped after being 3 seconds too far from the master [greenbox]
if (sd->md->masterteleport_timer == 0)
{
sd->md->masterteleport_timer = gettick();
}
else if (DIFF_TICK(gettick(), sd->md->masterteleport_timer) > 3000)
{
sd->md->masterteleport_timer = 0;
unit_warp( &sd->md->bl, sd->bl.m, sd->bl.x, sd->bl.y, CLR_TELEPORT );
}
}
else if( sd->md )
{
// reset the tick, he is not far anymore
sd->md->masterteleport_timer = 0;
}
} else if (md) {
if( map_getcell(bl->m,x,y,CELL_CHKNPC) ) {
if( npc_touch_areanpc2(md) ) return 0; // Warped
} else
md->areanpc_id = 0;
if (md->min_chase > md->db->range3) md->min_chase--;
//Walk skills are triggered regardless of target due to the idle-walk mob state.
//But avoid triggering on stop-walk calls.
if(tid != INVALID_TIMER &&
!(ud->walk_count%WALK_SKILL_INTERVAL) &&
mobskill_use(md, tick, -1))
{
if (!(ud->skill_id == NPC_SELFDESTRUCTION && ud->skilltimer != INVALID_TIMER))
{ //Skill used, abort walking
clif_fixpos(bl); //Fix position as walk has been cancelled.
return 0;
}
//Resend walk packet for proper Self Destruction display.
clif_move(ud);
}
}
else if( mrd && mrd->master )
{
if (!check_distance_bl(&mrd->master->bl, bl, MAX_MER_DISTANCE))
{
// mercenary should be warped after being 3 seconds too far from the master [greenbox]
if (mrd->masterteleport_timer == 0)
{
mrd->masterteleport_timer = gettick();
}
else if (DIFF_TICK(gettick(), mrd->masterteleport_timer) > 3000)
{
mrd->masterteleport_timer = 0;
unit_warp( bl, mrd->master->bl.id, mrd->master->bl.x, mrd->master->bl.y, CLR_TELEPORT );
}
}
else
{
mrd->masterteleport_timer = 0;
}
}
if(tid == INVALID_TIMER) //A directly invoked timer is from battle_stop_walking, therefore the rest is irrelevant.
return 0;
if(ud->state.change_walk_target)
return unit_walktoxy_sub(bl);
ud->walkpath.path_pos++;
if(ud->walkpath.path_pos>=ud->walkpath.path_len)
i = -1;
else if(ud->walkpath.path[ud->walkpath.path_pos]&1)
i = status_get_speed(bl)*14/10;
else
i = status_get_speed(bl);
if(i > 0) {
ud->walktimer = add_timer(tick+i,unit_walktoxy_timer,id,i);
if( md && DIFF_TICK(tick,md->dmgtick) < 3000 )//not required not damaged recently
clif_move(ud);
} else if(ud->state.running) {
//Keep trying to run.
if ( !(unit_run(bl) || unit_wugdash(bl,sd)) )
ud->state.running = 0;
}
else if (ud->target_to) {
//Update target trajectory.
struct block_list *tbl = map_id2bl(ud->target_to);
if (!tbl || !status_check_visibility(bl, tbl)) { //Cancel chase.
ud->to_x = bl->x;
ud->to_y = bl->y;
if (tbl && bl->type == BL_MOB && mob_warpchase((TBL_MOB*)bl, tbl) )
return 0;
ud->target_to = 0;
return 0;
}
if (tbl->m == bl->m && check_distance_bl(bl, tbl, ud->chaserange))
{ //Reached destination.
if (ud->state.attack_continue)
{ //Aegis uses one before every attack, we should
//only need this one for syncing purposes. [Skotlex]
ud->target_to = 0;
clif_fixpos(bl);
unit_attack(bl, tbl->id, ud->state.attack_continue);
}
} else { //Update chase-path
unit_walktobl(bl, tbl, ud->chaserange, ud->state.walk_easy|(ud->state.attack_continue?2:0));
return 0;
}
}
else { //Stopped walking. Update to_x and to_y to current location [Skotlex]
ud->to_x = bl->x;
ud->to_y = bl->y;
}
return 0;
}
static int unit_delay_walktoxy_timer(int tid, unsigned int tick, int id, intptr_t data)
{
struct block_list *bl = map_id2bl(id);
if (!bl || bl->prev == NULL)
return 0;
unit_walktoxy(bl, (short)((data>>16)&0xffff), (short)(data&0xffff), 0);
return 1;
}
//flag parameter:
//&1 -> 1/0 = easy/hard
//&2 -> force walking
//&4 -> Delay walking if the reason you can't walk is the canwalk delay
int unit_walktoxy( struct block_list *bl, short x, short y, int flag)
{
struct unit_data* ud = NULL;
struct status_change* sc = NULL;
struct walkpath_data wpd;
nullpo_ret(bl);
ud = unit_bl2ud(bl);
if( ud == NULL) return 0;
path_search(&wpd, bl->m, bl->x, bl->y, x, y, flag&1, CELL_CHKNOPASS); // Count walk path cells
#ifdef OFFICIAL_WALKPATH
if( !path_search_long(NULL, bl->m, bl->x, bl->y, x, y, CELL_CHKNOPASS) // Check if there is an obstacle between
&& wpd.path_len > 14 ) // Official number of walkable cells is 14 if and only if there is an obstacle between. [malufett]
return 0;
#endif
if( battle_config.max_walk_path < wpd.path_len )
return 0;
if (flag&4 && DIFF_TICK(ud->canmove_tick, gettick()) > 0 &&
DIFF_TICK(ud->canmove_tick, gettick()) < 2000)
{ // Delay walking command. [Skotlex]
add_timer(ud->canmove_tick+1, unit_delay_walktoxy_timer, bl->id, (x<<16)|(y&0xFFFF));
return 1;
}
if(!(flag&2) && (!(status_get_mode(bl)&MD_CANMOVE) || !unit_can_move(bl)))
return 0;
ud->state.walk_easy = flag&1;
ud->to_x = x;
ud->to_y = y;
unit_set_target(ud, 0);
sc = status_get_sc(bl);
if (sc && sc->data[SC_CONFUSION]) //Randomize the target position
map_random_dir(bl, &ud->to_x, &ud->to_y);
if(ud->walktimer != INVALID_TIMER) {
// When you come to the center of the grid because the change of destination while you're walking right now
// Call a function from a timer unit_walktoxy_sub
ud->state.change_walk_target = 1;
return 1;
}
if(ud->attacktimer != INVALID_TIMER) {
delete_timer( ud->attacktimer, unit_attack_timer );
ud->attacktimer = INVALID_TIMER;
}
return unit_walktoxy_sub(bl);
}
//To set Mob's CHASE/FOLLOW states (shouldn't be done if there's no path to reach)
static inline void set_mobstate(struct block_list* bl, int flag)
{
struct mob_data* md = BL_CAST(BL_MOB,bl);
if( md && flag )
md->state.skillstate = md->state.aggressive ? MSS_FOLLOW : MSS_RUSH;
}
static int unit_walktobl_sub(int tid, unsigned int tick, int id, intptr_t data)
{
struct block_list *bl = map_id2bl(id);
struct unit_data *ud = bl?unit_bl2ud(bl):NULL;
if (ud && ud->walktimer == INVALID_TIMER && ud->target == data)
{
if (DIFF_TICK(ud->canmove_tick, tick) > 0) //Keep waiting?
add_timer(ud->canmove_tick+1, unit_walktobl_sub, id, data);
else if (unit_can_move(bl))
{
if (unit_walktoxy_sub(bl))
set_mobstate(bl, ud->state.attack_continue);
}
}
return 0;
}
// Chases a tbl. If the flag&1, use hard-path seek,
// if flag&2, start attacking upon arrival within range, otherwise just walk to that character.
int unit_walktobl(struct block_list *bl, struct block_list *tbl, int range, int flag)
{
struct unit_data *ud = NULL;
struct status_change *sc = NULL;
nullpo_ret(bl);
nullpo_ret(tbl);
ud = unit_bl2ud(bl);
if( ud == NULL) return 0;
if (!(status_get_mode(bl)&MD_CANMOVE))
return 0;
if (!unit_can_reach_bl(bl, tbl, distance_bl(bl, tbl)+1, flag&1, &ud->to_x, &ud->to_y)) {
ud->to_x = bl->x;
ud->to_y = bl->y;
ud->target_to = 0;
return 0;
}
ud->state.walk_easy = flag&1;
ud->target_to = tbl->id;
ud->chaserange = range; //Note that if flag&2, this SHOULD be attack-range
ud->state.attack_continue = flag&2?1:0; //Chase to attack.
unit_set_target(ud, 0);
sc = status_get_sc(bl);
if (sc && sc->data[SC_CONFUSION]) //Randomize the target position
map_random_dir(bl, &ud->to_x, &ud->to_y);
if(ud->walktimer != INVALID_TIMER) {
ud->state.change_walk_target = 1;
set_mobstate(bl, flag&2);
return 1;
}
if(DIFF_TICK(ud->canmove_tick, gettick()) > 0)
{ //Can't move, wait a bit before invoking the movement.
add_timer(ud->canmove_tick+1, unit_walktobl_sub, bl->id, ud->target);
return 1;
}
if(!unit_can_move(bl))
return 0;
if(ud->attacktimer != INVALID_TIMER) {
delete_timer( ud->attacktimer, unit_attack_timer );
ud->attacktimer = INVALID_TIMER;
}
if (unit_walktoxy_sub(bl)) {
set_mobstate(bl, flag&2);
return 1;
}
return 0;
}
int unit_run(struct block_list *bl)
{
struct status_change *sc = status_get_sc(bl);
short to_x,to_y,dir_x,dir_y;
int lv;
int i;
if (!(sc && sc->data[SC_RUN]))
return 0;
if (!unit_can_move(bl)) {
status_change_end(bl, SC_RUN, INVALID_TIMER);
return 0;
}
lv = sc->data[SC_RUN]->val1;
dir_x = dirx[sc->data[SC_RUN]->val2];
dir_y = diry[sc->data[SC_RUN]->val2];
// determine destination cell
to_x = bl->x;
to_y = bl->y;
for(i=0;i<AREA_SIZE;i++)
{
if(!map_getcell(bl->m,to_x+dir_x,to_y+dir_y,CELL_CHKPASS))
break;
//if sprinting and there's a PC/Mob/NPC, block the path [Kevin]
if(sc->data[SC_RUN] && map_count_oncell(bl->m, to_x+dir_x, to_y+dir_y, BL_PC|BL_MOB|BL_NPC))
break;
to_x += dir_x;
to_y += dir_y;
}
if( (to_x == bl->x && to_y == bl->y ) || (to_x == (bl->x+1) || to_y == (bl->y+1)) || (to_x == (bl->x-1) || to_y == (bl->y-1))) {
//If you can't run forward, you must be next to a wall, so bounce back. [Skotlex]
clif_status_change(bl, SI_BUMP, 1, 0, 0, 0, 0);
//Set running to 0 beforehand so status_change_end knows not to enable spurt [Kevin]
unit_bl2ud(bl)->state.running = 0;
status_change_end(bl, SC_RUN, INVALID_TIMER);
skill_blown(bl,bl,skill_get_blewcount(TK_RUN,lv),unit_getdir(bl),0);
clif_fixpos(bl); //Why is a clif_slide (skill_blown) AND a fixpos needed? Ask Aegis.
clif_status_change(bl, SI_BUMP, 0, 0, 0, 0, 0);
return 0;
}
if (unit_walktoxy(bl, to_x, to_y, 1))
return 1;
//There must be an obstacle nearby. Attempt walking one cell at a time.
do {
to_x -= dir_x;
to_y -= dir_y;
} while (--i > 0 && !unit_walktoxy(bl, to_x, to_y, 1));
if (i==0) {
// copy-paste from above
clif_status_change(bl, SI_BUMP, 1, 0, 0, 0, 0);
//Set running to 0 beforehand so status_change_end knows not to enable spurt [Kevin]
unit_bl2ud(bl)->state.running = 0;
status_change_end(bl, SC_RUN, INVALID_TIMER);
skill_blown(bl,bl,skill_get_blewcount(TK_RUN,lv),unit_getdir(bl),0);
clif_fixpos(bl);
clif_status_change(bl, SI_BUMP, 0, 0, 0, 0, 0);
return 0;
}
return 1;
}
//Exclusive function to Wug Dash state. [Jobbie/3CeAM]
int unit_wugdash(struct block_list *bl, struct map_session_data *sd) {
struct status_change *sc = status_get_sc(bl);
short to_x,to_y,dir_x,dir_y;
int lv;
int i;
if (!(sc && sc->data[SC_WUGDASH]))
return 0;
nullpo_ret(sd);
nullpo_ret(bl);
if (!unit_can_move(bl)) {
status_change_end(bl,SC_WUGDASH,INVALID_TIMER);
return 0;
}
lv = sc->data[SC_WUGDASH]->val1;
dir_x = dirx[sc->data[SC_WUGDASH]->val2];
dir_y = diry[sc->data[SC_WUGDASH]->val2];
to_x = bl->x;
to_y = bl->y;
for(i=0;i<AREA_SIZE;i++)
{
if(!map_getcell(bl->m,to_x+dir_x,to_y+dir_y,CELL_CHKPASS))
break;
if(sc->data[SC_WUGDASH] && map_count_oncell(bl->m, to_x+dir_x, to_y+dir_y, BL_PC|BL_MOB|BL_NPC))
break;
to_x += dir_x;
to_y += dir_y;
}
if(to_x == bl->x && to_y == bl->y) {
unit_bl2ud(bl)->state.running = 0;
status_change_end(bl,SC_WUGDASH,INVALID_TIMER);
if( sd ){
clif_fixpos(bl);
skill_castend_damage_id(bl, &sd->bl, RA_WUGDASH, lv, gettick(), SD_LEVEL);
}
return 0;
}
if (unit_walktoxy(bl, to_x, to_y, 1))
return 1;
do {
to_x -= dir_x;
to_y -= dir_y;
} while (--i > 0 && !unit_walktoxy(bl, to_x, to_y, 1));
if (i==0) {
unit_bl2ud(bl)->state.running = 0;
status_change_end(bl,SC_WUGDASH,INVALID_TIMER);
if( sd ){
clif_fixpos(bl);
skill_castend_damage_id(bl, &sd->bl, RA_WUGDASH, lv, gettick(), SD_LEVEL);
}
return 0;
}
return 1;
}
//Makes bl attempt to run dist cells away from target. Uses hard-paths.
int unit_escape(struct block_list *bl, struct block_list *target, short dist)
{
uint8 dir = map_calc_dir(target, bl->x, bl->y);
while( dist > 0 && map_getcell(bl->m, bl->x + dist*dirx[dir], bl->y + dist*diry[dir], CELL_CHKNOREACH) )
dist--;
return ( dist > 0 && unit_walktoxy(bl, bl->x + dist*dirx[dir], bl->y + dist*diry[dir], 0) );
}
//Instant warp function.
int unit_movepos(struct block_list *bl, short dst_x, short dst_y, int easy, bool checkpath)
{
short dx,dy;
uint8 dir;
struct unit_data *ud = NULL;
struct map_session_data *sd = NULL;
nullpo_ret(bl);
sd = BL_CAST(BL_PC, bl);
ud = unit_bl2ud(bl);
if( ud == NULL) return 0;
unit_stop_walking(bl,1);
unit_stop_attack(bl);
if( checkpath && (map_getcell(bl->m,dst_x,dst_y,CELL_CHKNOPASS) || !path_search(NULL,bl->m,bl->x,bl->y,dst_x,dst_y,easy,CELL_CHKNOREACH)) )
return 0; // unreachable
ud->to_x = dst_x;
ud->to_y = dst_y;
dir = map_calc_dir(bl, dst_x, dst_y);
ud->dir = dir;
dx = dst_x - bl->x;
dy = dst_y - bl->y;
map_foreachinmovearea(clif_outsight, bl, AREA_SIZE, dx, dy, sd?BL_ALL:BL_PC, bl);
map_moveblock(bl, dst_x, dst_y, gettick());
ud->walktimer = CLIF_WALK_TIMER; // arbitrary non-INVALID_TIMER value to make the clif code send walking packets
map_foreachinmovearea(clif_insight, bl, AREA_SIZE, -dx, -dy, sd?BL_ALL:BL_PC, bl);
ud->walktimer = INVALID_TIMER;
if(sd) {
if( sd->touching_id )
npc_touchnext_areanpc(sd,false);
if(map_getcell(bl->m,bl->x,bl->y,CELL_CHKNPC)) {
npc_touch_areanpc(sd,bl->m,bl->x,bl->y);
if (bl->prev == NULL) //Script could have warped char, abort remaining of the function.
return 0;
} else
sd->areanpc_id=0;
if( sd->status.pet_id > 0 && sd->pd && sd->pd->pet.intimate > 0 )
{ // Check if pet needs to be teleported. [Skotlex]
int flag = 0;
struct block_list* bl = &sd->pd->bl;
if( !checkpath && !path_search(NULL,bl->m,bl->x,bl->y,dst_x,dst_y,0,CELL_CHKNOPASS) )
flag = 1;
else if (!check_distance_bl(&sd->bl, bl, AREA_SIZE)) //Too far, teleport.
flag = 2;
if( flag )
{
unit_movepos(bl,sd->bl.x,sd->bl.y, 0, 0);
clif_slide(bl,bl->x,bl->y);
}
}
}
return 1;
}
int unit_setdir(struct block_list *bl,unsigned char dir)
{
struct unit_data *ud;
nullpo_ret(bl );
ud = unit_bl2ud(bl);
if (!ud) return 0;
ud->dir = dir;
if (bl->type == BL_PC)
((TBL_PC *)bl)->head_dir = 0;
clif_changed_dir(bl, AREA);
return 0;
}
uint8 unit_getdir(struct block_list *bl)
{
struct unit_data *ud;
nullpo_ret(bl );
ud = unit_bl2ud(bl);
if (!ud) return 0;
return ud->dir;
}
// Pushes a unit by given amount of cells into given direction. Only
// map cell restrictions are respected.
// flag:
// &1 Do not send position update packets.
int unit_blown(struct block_list* bl, int dx, int dy, int count, int flag)
{
if(count) {
struct map_session_data* sd;
struct skill_unit* su = NULL;
int nx, ny, result;
sd = BL_CAST(BL_PC, bl);
su = BL_CAST(BL_SKILL, bl);
result = path_blownpos(bl->m, bl->x, bl->y, dx, dy, count);
nx = result>>16;
ny = result&0xffff;
if(!su) {
unit_stop_walking(bl, 0);
}
if( sd ) {
sd->ud.to_x = nx;
sd->ud.to_y = ny;
}
dx = nx-bl->x;
dy = ny-bl->y;
if(dx || dy) {
map_foreachinmovearea(clif_outsight, bl, AREA_SIZE, dx, dy, bl->type == BL_PC ? BL_ALL : BL_PC, bl);
if(su) {
skill_unit_move_unit_group(su->group, bl->m, dx, dy);
} else {
map_moveblock(bl, nx, ny, gettick());
}
map_foreachinmovearea(clif_insight, bl, AREA_SIZE, -dx, -dy, bl->type == BL_PC ? BL_ALL : BL_PC, bl);
if(!(flag&1)) {
clif_blown(bl);
}
if(sd) {
if(sd->touching_id) {
npc_touchnext_areanpc(sd, false);
}
if(map_getcell(bl->m, bl->x, bl->y, CELL_CHKNPC)) {
npc_touch_areanpc(sd, bl->m, bl->x, bl->y);
} else {
sd->areanpc_id = 0;
}
}
}
count = distance(dx, dy);
}
return count; // return amount of knocked back cells
}
//Warps a unit/ud to a given map/position.
//In the case of players, pc_setpos is used.
//it respects the no warp flags, so it is safe to call this without doing nowarpto/nowarp checks.
int unit_warp(struct block_list *bl,short m,short x,short y,clr_type type)
{
struct unit_data *ud;
nullpo_ret(bl);
ud = unit_bl2ud(bl);
if(bl->prev==NULL || !ud)
return 1;
if (type == CLR_DEAD)
//Type 1 is invalid, since you shouldn't warp a bl with the "death"
//animation, it messes up with unit_remove_map! [Skotlex]
return 1;
if( m<0 ) m=bl->m;
switch (bl->type) {
case BL_MOB:
if (map[bl->m].flag.monster_noteleport && ((TBL_MOB*)bl)->master_id == 0)
return 1;
if (m != bl->m && map[m].flag.nobranch && battle_config.mob_warp&4 && !(((TBL_MOB *)bl)->master_id))
return 1;
break;
case BL_PC:
if (map[bl->m].flag.noteleport)
return 1;
break;
}
if (x<0 || y<0)
{ //Random map position.
if (!map_search_freecell(NULL, m, &x, &y, -1, -1, 1)) {
ShowWarning("unit_warp failed. Unit Id:%d/Type:%d, target position map %d (%s) at [%d,%d]\n", bl->id, bl->type, m, map[m].name, x, y);
return 2;
}
} else if (map_getcell(m,x,y,CELL_CHKNOREACH))
{ //Invalid target cell
ShowWarning("unit_warp: Specified non-walkable target cell: %d (%s) at [%d,%d]\n", m, map[m].name, x,y);
if (!map_search_freecell(NULL, m, &x, &y, 4, 4, 1))
{ //Can't find a nearby cell
ShowWarning("unit_warp failed. Unit Id:%d/Type:%d, target position map %d (%s) at [%d,%d]\n", bl->id, bl->type, m, map[m].name, x, y);
return 2;
}
}
if (bl->type == BL_PC) //Use pc_setpos
return pc_setpos((TBL_PC*)bl, map_id2index(m), x, y, type);
if (!unit_remove_map(bl, type))
return 3;
if (bl->m != m && battle_config.clear_unit_onwarp &&
battle_config.clear_unit_onwarp&bl->type)
skill_clear_unitgroup(bl);
bl->x=ud->to_x=x;
bl->y=ud->to_y=y;
bl->m=m;
map_addblock(bl);
clif_spawn(bl);
skill_unit_move(bl,gettick(),1);
return 0;
}
/*==========================================
* Caused the target object to stop moving.
* Flag values:
* &0x1: Issue a fixpos packet afterwards
* &0x2: Force the unit to move one cell if it hasn't yet
* &0x4: Enable moving to the next cell when unit was already half-way there
* (may cause on-touch/place side-effects, such as a scripted map change)
*------------------------------------------*/
int unit_stop_walking(struct block_list *bl,int type)
{
struct unit_data *ud;
const struct TimerData* td;
unsigned int tick;
nullpo_ret(bl);
ud = unit_bl2ud(bl);
if(!ud || ud->walktimer == INVALID_TIMER)
return 0;
//NOTE: We are using timer data after deleting it because we know the
//delete_timer function does not messes with it. If the function's
//behaviour changes in the future, this code could break!
td = get_timer(ud->walktimer);
delete_timer(ud->walktimer, unit_walktoxy_timer);
ud->walktimer = INVALID_TIMER;
ud->state.change_walk_target = 0;
tick = gettick();
if( (type&0x02 && !ud->walkpath.path_pos) //Force moving at least one cell.
|| (type&0x04 && td && DIFF_TICK(td->tick, tick) <= td->data/2) //Enough time has passed to cover half-cell
) {
ud->walkpath.path_len = ud->walkpath.path_pos+1;
unit_walktoxy_timer(INVALID_TIMER, tick, bl->id, ud->walkpath.path_pos);
}
if(type&0x01)
clif_fixpos(bl);
ud->walkpath.path_len = 0;
ud->walkpath.path_pos = 0;
ud->to_x = bl->x;
ud->to_y = bl->y;
if(bl->type == BL_PET && type&~0xff)
ud->canmove_tick = gettick() + (type>>8);
//Readded, the check in unit_set_walkdelay means dmg during running won't fall through to this place in code [Kevin]
if (ud->state.running) {
status_change_end(bl, SC_RUN, INVALID_TIMER);
status_change_end(bl, SC_WUGDASH, INVALID_TIMER);
}
return 1;
}
int unit_skilluse_id(struct block_list *src, int target_id, uint16 skill_id, uint16 skill_lv)
{
return unit_skilluse_id2(
src, target_id, skill_id, skill_lv,
skill_castfix(src, skill_id, skill_lv),
skill_get_castcancel(skill_id)
);
}
int unit_is_walking(struct block_list *bl)
{
struct unit_data *ud = unit_bl2ud(bl);
nullpo_ret(bl);
if(!ud) return 0;
return (ud->walktimer != INVALID_TIMER);
}
/*==========================================
* Determines if the bl can move based on status changes. [Skotlex]
*------------------------------------------*/
int unit_can_move(struct block_list *bl) {
struct map_session_data *sd;
struct unit_data *ud;
struct status_change *sc;
nullpo_ret(bl);
ud = unit_bl2ud(bl);
sc = status_get_sc(bl);
sd = BL_CAST(BL_PC, bl);
if (!ud)
return 0;
if (ud->skilltimer != INVALID_TIMER && ud->skill_id != LG_EXEEDBREAK && (!sd || !pc_checkskill(sd, SA_FREECAST) || skill_get_inf2(ud->skill_id)&INF2_GUILD_SKILL))
return 0; // prevent moving while casting
if (DIFF_TICK(ud->canmove_tick, gettick()) > 0)
return 0;
if (sd && (
pc_issit(sd) ||
sd->state.vending ||
sd->state.buyingstore ||
sd->state.blockedmove
))
return 0; //Can't move
if (sc) {
if( sc->cant.move /* status placed here are ones that cannot be cached by sc->cant.move for they depend on other conditions other than their availability */
|| (sc->data[SC_FEAR] && sc->data[SC_FEAR]->val2 > 0)
|| (sc->data[SC_SPIDERWEB] && sc->data[SC_SPIDERWEB]->val1)
|| (sc->data[SC_DANCING] && sc->data[SC_DANCING]->val4 && (
!sc->data[SC_LONGING] ||
(sc->data[SC_DANCING]->val1&0xFFFF) == CG_MOONLIT ||
(sc->data[SC_DANCING]->val1&0xFFFF) == CG_HERMODE
) )
|| (sc->data[SC_CLOAKING] && //Need wall at level 1-2
sc->data[SC_CLOAKING]->val1 < 3 && !(sc->data[SC_CLOAKING]->val4&1))
)
return 0;
if (sc->opt1 > 0 && sc->opt1 != OPT1_STONEWAIT && sc->opt1 != OPT1_BURNING && !(sc->opt1 == OPT1_CRYSTALIZE && bl->type == BL_MOB))
return 0;
if ((sc->option & OPTION_HIDE) && (!sd || pc_checkskill(sd, RG_TUNNELDRIVE) <= 0))
return 0;
}
return 1;
}
/*==========================================
* Resume running after a walk delay
*------------------------------------------*/
int unit_resume_running(int tid, unsigned int tick, int id, intptr_t data)
{
struct unit_data *ud = (struct unit_data *)data;
TBL_PC * sd = map_id2sd(id);
if(sd && pc_isridingwug(sd))
clif_skill_nodamage(ud->bl,ud->bl,RA_WUGDASH,ud->skill_lv,
sc_start4(ud->bl,ud->bl,status_skill2sc(RA_WUGDASH),100,ud->skill_lv,unit_getdir(ud->bl),0,0,1));
else
clif_skill_nodamage(ud->bl,ud->bl,TK_RUN,ud->skill_lv,
sc_start4(ud->bl,ud->bl,status_skill2sc(TK_RUN),100,ud->skill_lv,unit_getdir(ud->bl),0,0,0));
if (sd) clif_walkok(sd);
return 0;
}
/*==========================================
* Applies walk delay to character, considering that
* if type is 0, this is a damage induced delay: if previous delay is active, do not change it.
* if type is 1, this is a skill induced delay: walk-delay may only be increased, not decreased.
*------------------------------------------*/
int unit_set_walkdelay(struct block_list *bl, unsigned int tick, int delay, int type)
{
struct unit_data *ud = unit_bl2ud(bl);
if (delay <= 0 || !ud) return 0;
/**
* MvP mobs have no walk delay
**/
if( bl->type == BL_MOB && (((TBL_MOB*)bl)->status.mode&MD_BOSS) )
return 0;
if (type) {
if (DIFF_TICK(ud->canmove_tick, tick+delay) > 0)
return 0;
} else {
//Don't set walk delays when already trapped.
if (!unit_can_move(bl))
return 0;
}
ud->canmove_tick = tick + delay;
if (ud->walktimer != INVALID_TIMER)
{ //Stop walking, if chasing, readjust timers.
if (delay == 1)
{ //Minimal delay (walk-delay) disabled. Just stop walking.
unit_stop_walking(bl,4);
} else {
//Resume running after can move again [Kevin]
if(ud->state.running)
{
add_timer(ud->canmove_tick, unit_resume_running, bl->id, (intptr_t)ud);
}
else
{
unit_stop_walking(bl,2|4);
if(ud->target)
add_timer(ud->canmove_tick+1, unit_walktobl_sub, bl->id, ud->target);
}
}
}
return 1;
}
int unit_skilluse_id2(struct block_list *src, int target_id, uint16 skill_id, uint16 skill_lv, int casttime, int castcancel)
{
struct unit_data *ud;
struct status_data *tstatus;
struct status_change *sc;
struct map_session_data *sd = NULL;
struct block_list * target = NULL;
unsigned int tick = gettick();
int combo = 0, range;
nullpo_ret(src);
if(status_isdead(src))
return 0; //Do not continue source is dead
sd = BL_CAST(BL_PC, src);
ud = unit_bl2ud(src);
if(ud == NULL) return 0;
sc = status_get_sc(src);
if (sc && !sc->count)
sc = NULL; //Unneeded
//temp: used to signal combo-skills right now.
if (sc && sc->data[SC_COMBO] && (sc->data[SC_COMBO]->val1 == skill_id ||
(sd?skill_check_condition_castbegin(sd,skill_id,skill_lv):0) )) {
if (sc->data[SC_COMBO]->val2)
target_id = sc->data[SC_COMBO]->val2;
else
target_id = ud->target;
if( skill_get_inf(skill_id)&INF_SELF_SKILL && skill_get_nk(skill_id)&NK_NO_DAMAGE )// exploit fix
target_id = src->id;
combo = 1;
} else
if ( target_id == src->id &&
skill_get_inf(skill_id)&INF_SELF_SKILL &&
skill_get_inf2(skill_id)&INF2_NO_TARGET_SELF )
{
target_id = ud->target; //Auto-select target. [Skotlex]
combo = 1;
}
if (sd) {
//Target_id checking.
if(skillnotok(skill_id, sd)) // [MouseJstr]
return 0;
switch(skill_id)
{ //Check for skills that auto-select target
case MO_CHAINCOMBO:
if (sc && sc->data[SC_BLADESTOP]){
if ((target=map_id2bl(sc->data[SC_BLADESTOP]->val4)) == NULL)
return 0;
}
break;
case WE_MALE:
case WE_FEMALE:
if (!sd->status.partner_id)
return 0;
target = (struct block_list*)map_charid2sd(sd->status.partner_id);
if (!target) {
clif_skill_fail(sd,skill_id,USESKILL_FAIL_LEVEL,0);
return 0;
}
break;
}
if (target)
target_id = target->id;
}
else if (src->type==BL_HOM)
switch(skill_id)
{ //Homun-auto-target skills.
case HLIF_HEAL:
case HLIF_AVOID:
case HAMI_DEFENCE:
case HAMI_CASTLE:
target = battle_get_master(src);
if (!target) return 0;
target_id = target->id;
break;
case MH_SONIC_CRAW:
case MH_TINDER_BREAKER: {
int skill_id2 = ((skill_id==MH_SONIC_CRAW)?MH_MIDNIGHT_FRENZY:MH_EQC);
if(sc->data[SC_COMBO] && sc->data[SC_COMBO]->val1 == skill_id2){ //it,s a combo
target_id = sc->data[SC_COMBO]->val2;
combo = 1;
}
break;
}
}
if( !target ) // choose default target
target = map_id2bl(target_id);
if( !target || src->m != target->m || !src->prev || !target->prev )
return 0;
if( battle_config.ksprotection && sd && mob_ksprotected(src, target) )
return 0;
//Normally not needed because clif.c checks for it, but the at/char/script commands don't! [Skotlex]
if(ud->skilltimer != INVALID_TIMER && skill_id != SA_CASTCANCEL && skill_id != SO_SPELLFIST)
return 0;
if(skill_get_inf2(skill_id)&INF2_NO_TARGET_SELF && src->id == target_id)
return 0;
if(!status_check_skilluse(src, target, skill_id, 0))
return 0;
tstatus = status_get_status_data(target);
// Record the status of the previous skill)
if(sd) {
switch(skill_id){
case SA_CASTCANCEL:
if(ud->skill_id != skill_id){
sd->skill_id_old = ud->skill_id;
sd->skill_lv_old = ud->skill_lv;
}
break;
case BD_ENCORE:
//Prevent using the dance skill if you no longer have the skill in your tree.
if(!sd->skill_id_dance || pc_checkskill(sd,sd->skill_id_dance)<=0){
clif_skill_fail(sd,skill_id,USESKILL_FAIL_LEVEL,0);
return 0;
}
sd->skill_id_old = skill_id;
break;
case WL_WHITEIMPRISON:
if( battle_check_target(src,target,BCT_SELF|BCT_ENEMY) < 0 ) {
clif_skill_fail(sd,skill_id,USESKILL_FAIL_TOTARGET,0);
return 0;
}
break;
case MG_FIREBOLT:
case MG_LIGHTNINGBOLT:
case MG_COLDBOLT:
sd->skill_id_old = skill_id;
sd->skill_lv_old = skill_lv;
break;
}
if (!skill_check_condition_castbegin(sd, skill_id, skill_lv))
return 0;
}
if( src->type == BL_MOB )
switch( skill_id )
{
case NPC_SUMMONSLAVE:
case NPC_SUMMONMONSTER:
case AL_TELEPORT:
if( ((TBL_MOB*)src)->master_id && ((TBL_MOB*)src)->special_state.ai )
return 0;
}
if (src->type == BL_NPC) // NPC-objects can override cast distance
range = AREA_SIZE; // Maximum visible distance before NPC goes out of sight
else
range = skill_get_range2(src, skill_id, skill_lv); // Skill cast distance from database
//Check range when not using skill on yourself or is a combo-skill during attack
//(these are supposed to always have the same range as your attack)
if( src->id != target_id && (!combo || ud->attacktimer == INVALID_TIMER) ) {
if( skill_get_state(ud->skill_id) == ST_MOVE_ENABLE ) {
if( !unit_can_reach_bl(src, target, range + 1, 1, NULL, NULL) )
return 0; // Walk-path check failed.
} else if( src->type == BL_MER && skill_id == MA_REMOVETRAP ) {
if( !battle_check_range(battle_get_master(src), target, range + 1) )
return 0; // Aegis calc remove trap based on Master position, ignoring mercenary O.O
} else if( !battle_check_range(src, target, range + (skill_id == RG_CLOSECONFINE?0:2)) ) {
return 0; // Arrow-path check failed.
}
}
if (!combo) //Stop attack on non-combo skills [Skotlex]
unit_stop_attack(src);
else if(ud->attacktimer != INVALID_TIMER) //Elsewise, delay current attack sequence
ud->attackabletime = tick + status_get_adelay(src);
ud->state.skillcastcancel = castcancel;
//temp: Used to signal force cast now.
combo = 0;
switch(skill_id){
case ALL_RESURRECTION:
if(battle_check_undead(tstatus->race,tstatus->def_ele)) {
combo = 1;
} else if (!status_isdead(target))
return 0; //Can't cast on non-dead characters.
break;
case MO_FINGEROFFENSIVE:
if(sd)
casttime += casttime * min(skill_lv, sd->spiritball);
break;
case MO_EXTREMITYFIST:
if (sc && sc->data[SC_COMBO] &&
(sc->data[SC_COMBO]->val1 == MO_COMBOFINISH ||
sc->data[SC_COMBO]->val1 == CH_TIGERFIST ||
sc->data[SC_COMBO]->val1 == CH_CHAINCRUSH))
casttime = -1;
combo = 1;
break;
case SR_GATEOFHELL:
case SR_TIGERCANNON:
if (sc && sc->data[SC_COMBO] &&
sc->data[SC_COMBO]->val1 == SR_FALLENEMPIRE)
casttime = -1;
combo = 1;
break;
case SA_SPELLBREAKER:
combo = 1;
break;
case ST_CHASEWALK:
if (sc && sc->data[SC_CHASEWALK])
casttime = -1;
break;
case TK_RUN:
if (sc && sc->data[SC_RUN])
casttime = -1;
break;
case HP_BASILICA:
if( sc && sc->data[SC_BASILICA] )
casttime = -1; // No Casting time on basilica cancel
break;
case KN_CHARGEATK:
{
unsigned int k = (distance_bl(src,target)-1)/3; //+100% every 3 cells of distance
if( k > 2 ) k = 2; // ...but hard-limited to 300%.
casttime += casttime * k;
}
break;
case GD_EMERGENCYCALL: //Emergency Call double cast when the user has learned Leap [Daegaladh]
if( sd && pc_checkskill(sd,TK_HIGHJUMP) )
casttime *= 2;
break;
case RA_WUGDASH:
if (sc && sc->data[SC_WUGDASH])
casttime = -1;
break;
case EL_WIND_SLASH:
case EL_HURRICANE:
case EL_TYPOON_MIS:
case EL_STONE_HAMMER:
case EL_ROCK_CRUSHER:
case EL_STONE_RAIN:
case EL_ICE_NEEDLE:
case EL_WATER_SCREW:
case EL_TIDAL_WEAPON:
if( src->type == BL_ELEM ){
sd = BL_CAST(BL_PC, battle_get_master(src));
if( sd && sd->skill_id_old == SO_EL_ACTION ){
casttime = -1;
sd->skill_id_old = 0;
}
}
break;
}
// moved here to prevent Suffragium from ending if skill fails
#ifndef RENEWAL_CAST
if (!(skill_get_castnodex(skill_id, skill_lv)&2))
casttime = skill_castfix_sc(src, casttime);
#else
casttime = skill_vfcastfix(src, casttime, skill_id, skill_lv);
#endif
if (src->type == BL_NPC) { // NPC-objects do not have cast time
casttime = 0;
}
if(!ud->state.running) //need TK_RUN or WUGDASH handler to be done before that, see bugreport:6026
unit_stop_walking(src,1);// eventhough this is not how official works but this will do the trick. bugreport:6829
// in official this is triggered even if no cast time.
clif_skillcasting(src, src->id, target_id, 0,0, skill_id, skill_get_ele(skill_id, skill_lv), casttime);
if( casttime > 0 || combo )
{
if (sd && target->type == BL_MOB)
{
TBL_MOB *md = (TBL_MOB*)target;
mobskill_event(md, src, tick, -1); //Cast targetted skill event.
if (tstatus->mode&(MD_CASTSENSOR_IDLE|MD_CASTSENSOR_CHASE) &&
battle_check_target(target, src, BCT_ENEMY) > 0)
{
switch (md->state.skillstate) {
case MSS_RUSH:
case MSS_FOLLOW:
if (!(tstatus->mode&MD_CASTSENSOR_CHASE))
break;
md->target_id = src->id;
md->state.aggressive = (tstatus->mode&MD_ANGRY)?1:0;
md->min_chase = md->db->range3;
break;
case MSS_IDLE:
case MSS_WALK:
if (!(tstatus->mode&MD_CASTSENSOR_IDLE))
break;
md->target_id = src->id;
md->state.aggressive = (tstatus->mode&MD_ANGRY)?1:0;
md->min_chase = md->db->range3;
break;
}
}
}
}
if( casttime <= 0 )
ud->state.skillcastcancel = 0;
if( !sd || sd->skillitem != skill_id || skill_get_cast(skill_id,skill_lv) )
ud->canact_tick = tick + casttime + 100;
if( sd )
{
switch( skill_id )
{
case CG_ARROWVULCAN:
sd->canequip_tick = tick + casttime;
break;
}
}
ud->skilltarget = target_id;
ud->skillx = 0;
ud->skilly = 0;
ud->skill_id = skill_id;
ud->skill_lv = skill_lv;
if( sc ) {
/**
* why the if else chain: these 3 status do not stack, so its efficient that way.
**/
if( sc->data[SC_CLOAKING] && !(sc->data[SC_CLOAKING]->val4&4) && skill_id != AS_CLOAKING ) {
status_change_end(src, SC_CLOAKING, INVALID_TIMER);
if (!src->prev) return 0; //Warped away!
} else if( sc->data[SC_CLOAKINGEXCEED] && !(sc->data[SC_CLOAKINGEXCEED]->val4&4) && skill_id != GC_CLOAKINGEXCEED ) {
status_change_end(src,SC_CLOAKINGEXCEED, INVALID_TIMER);
if (!src->prev) return 0;
}
}
if( casttime > 0 ) {
ud->skilltimer = add_timer( tick+casttime, skill_castend_id, src->id, 0 );
if( sd && (pc_checkskill(sd,SA_FREECAST) > 0 || skill_id == LG_EXEEDBREAK) )
status_calc_bl(&sd->bl, SCB_SPEED);
} else
skill_castend_id(ud->skilltimer,tick,src->id,0);
return 1;
}
int unit_skilluse_pos(struct block_list *src, short skill_x, short skill_y, uint16 skill_id, uint16 skill_lv)
{
return unit_skilluse_pos2(
src, skill_x, skill_y, skill_id, skill_lv,
skill_castfix(src, skill_id, skill_lv),
skill_get_castcancel(skill_id)
);
}
int unit_skilluse_pos2( struct block_list *src, short skill_x, short skill_y, uint16 skill_id, uint16 skill_lv, int casttime, int castcancel)
{
struct map_session_data *sd = NULL;
struct unit_data *ud = NULL;
struct status_change *sc;
struct block_list bl;
unsigned int tick = gettick();
int range;
nullpo_ret(src);
if (!src->prev) return 0; // not on the map
if(status_isdead(src)) return 0;
sd = BL_CAST(BL_PC, src);
ud = unit_bl2ud(src);
if(ud == NULL) return 0;
if(ud->skilltimer != INVALID_TIMER) //Normally not needed since clif.c checks for it, but at/char/script commands don't! [Skotlex]
return 0;
sc = status_get_sc(src);
if (sc && !sc->count)
sc = NULL;
if( sd )
{
if( skillnotok(skill_id, sd) || !skill_check_condition_castbegin(sd, skill_id, skill_lv) )
return 0;
/**
* "WHY IS IT HEREE": pneuma cannot be cancelled past this point, the client displays the animation even,
* if we cancel it from nodamage_id, so it has to be here for it to not display the animation.
**/
if( skill_id == AL_PNEUMA && map_getcell(src->m, skill_x, skill_y, CELL_CHKLANDPROTECTOR) ) {
clif_skill_fail(sd,skill_id,USESKILL_FAIL_LEVEL,0);
return 0;
}
}
if (!status_check_skilluse(src, NULL, skill_id, 0))
return 0;
if( map_getcell(src->m, skill_x, skill_y, CELL_CHKWALL) )
{// can't cast ground targeted spells on wall cells
if (sd) clif_skill_fail(sd,skill_id,USESKILL_FAIL_LEVEL,0);
return 0;
}
/* Check range and obstacle */
bl.type = BL_NUL;
bl.m = src->m;
bl.x = skill_x;
bl.y = skill_y;
if (src->type == BL_NPC) // NPC-objects can override cast distance
range = AREA_SIZE; // Maximum visible distance before NPC goes out of sight
else
range = skill_get_range2(src, skill_id, skill_lv); // Skill cast distance from database
if( skill_get_state(ud->skill_id) == ST_MOVE_ENABLE ) {
if( !unit_can_reach_bl(src, &bl, range + 1, 1, NULL, NULL) )
return 0; //Walk-path check failed.
}
else if( !battle_check_range(src, &bl, range + 1) )
return 0; //Arrow-path check failed.
unit_stop_attack(src);
// moved here to prevent Suffragium from ending if skill fails
#ifndef RENEWAL_CAST
if (!(skill_get_castnodex(skill_id, skill_lv)&2))
casttime = skill_castfix_sc(src, casttime);
#else
casttime = skill_vfcastfix(src, casttime, skill_id, skill_lv );
#endif
if (src->type == BL_NPC) { // NPC-objects do not have cast time
casttime = 0;
}
ud->state.skillcastcancel = castcancel&&casttime>0?1:0;
if( !sd || sd->skillitem != skill_id || skill_get_cast(skill_id,skill_lv) )
ud->canact_tick = tick + casttime + 100;
// if( sd )
// {
// switch( skill_id )
// {
// case ????:
// sd->canequip_tick = tick + casttime;
// }
// }
ud->skill_id = skill_id;
ud->skill_lv = skill_lv;
ud->skillx = skill_x;
ud->skilly = skill_y;
ud->skilltarget = 0;
if( sc ) {
/**
* why the if else chain: these 3 status do not stack, so its efficient that way.
**/
if (sc->data[SC_CLOAKING] && !(sc->data[SC_CLOAKING]->val4&4)) {
status_change_end(src, SC_CLOAKING, INVALID_TIMER);
if (!src->prev) return 0; //Warped away!
} else if (sc->data[SC_CLOAKINGEXCEED] && !(sc->data[SC_CLOAKINGEXCEED]->val4&4)) {
status_change_end(src, SC_CLOAKINGEXCEED, INVALID_TIMER);
if (!src->prev) return 0;
}
}
unit_stop_walking(src,1);
// in official this is triggered even if no cast time.
clif_skillcasting(src, src->id, 0, skill_x, skill_y, skill_id, skill_get_ele(skill_id, skill_lv), casttime);
if( casttime > 0 ) {
ud->skilltimer = add_timer( tick+casttime, skill_castend_pos, src->id, 0 );
if( (sd && pc_checkskill(sd,SA_FREECAST) > 0) || skill_id == LG_EXEEDBREAK)
status_calc_bl(&sd->bl, SCB_SPEED);
} else {
ud->skilltimer = INVALID_TIMER;
skill_castend_pos(ud->skilltimer,tick,src->id,0);
}
return 1;
}
/*========================================
* update a block's attack target
*----------------------------------------*/
int unit_set_target(struct unit_data* ud, int target_id)
{
struct unit_data * ux;
struct block_list* target;
nullpo_ret(ud);
if( ud->target != target_id ) {
if( ud->target && (target = map_id2bl(ud->target)) && (ux = unit_bl2ud(target)) && ux->target_count > 0 )
ux->target_count --;
if( target_id && (target = map_id2bl(target_id)) && (ux = unit_bl2ud(target)) )
ux->target_count ++;
}
ud->target = target_id;
return 0;
}
int unit_stop_attack(struct block_list *bl)
{
struct unit_data *ud = unit_bl2ud(bl);
nullpo_ret(bl);
if(!ud || ud->attacktimer == INVALID_TIMER)
return 0;
delete_timer( ud->attacktimer, unit_attack_timer );
ud->attacktimer = INVALID_TIMER;
unit_set_target(ud, 0);
return 0;
}
//Means current target is unattackable. For now only unlocks mobs.
int unit_unattackable(struct block_list *bl)
{
struct unit_data *ud = unit_bl2ud(bl);
if (ud) {
ud->state.attack_continue = 0;
unit_set_target(ud, 0);
}
if(bl->type == BL_MOB)
mob_unlocktarget((struct mob_data*)bl, gettick()) ;
else if(bl->type == BL_PET)
pet_unlocktarget((struct pet_data*)bl);
return 0;
}
/*==========================================
* Attack request
* If type is an ongoing attack
*------------------------------------------*/
int unit_attack(struct block_list *src,int target_id,int continuous)
{
struct block_list *target;
struct unit_data *ud;
nullpo_ret(ud = unit_bl2ud(src));
target = map_id2bl(target_id);
if( target==NULL || status_isdead(target) ) {
unit_unattackable(src);
return 1;
}
if( src->type == BL_PC ) {
TBL_PC* sd = (TBL_PC*)src;
if( target->type == BL_NPC ) { // monster npcs [Valaris]
npc_click(sd,(TBL_NPC*)target); // submitted by leinsirk10 [Celest]
return 0;
}
if( pc_is90overweight(sd) || pc_isridingwug(sd) ) { // overweight or mounted on warg - stop attacking
unit_stop_attack(src);
return 0;
}
}
if( battle_check_target(src,target,BCT_ENEMY) <= 0 || !status_check_skilluse(src, target, 0, 0) ) {
unit_unattackable(src);
return 1;
}
ud->state.attack_continue = continuous;
unit_set_target(ud, target_id);
if (continuous) //If you're to attack continously, set to auto-case character
ud->chaserange = status_get_range(src);
//Just change target/type. [Skotlex]
if(ud->attacktimer != INVALID_TIMER)
return 0;
//Set Mob's ANGRY/BERSERK states.
if(src->type == BL_MOB)
((TBL_MOB*)src)->state.skillstate = ((TBL_MOB*)src)->state.aggressive?MSS_ANGRY:MSS_BERSERK;
if(DIFF_TICK(ud->attackabletime, gettick()) > 0)
//Do attack next time it is possible. [Skotlex]
ud->attacktimer=add_timer(ud->attackabletime,unit_attack_timer,src->id,0);
else //Attack NOW.
unit_attack_timer(INVALID_TIMER, gettick(), src->id, 0);
return 0;
}
//Cancels an ongoing combo, resets attackable time and restarts the
//attack timer to resume attacking after amotion time. [Skotlex]
int unit_cancel_combo(struct block_list *bl)
{
struct unit_data *ud;
if (!status_change_end(bl, SC_COMBO, INVALID_TIMER))
return 0; //Combo wasn't active.
ud = unit_bl2ud(bl);
nullpo_ret(ud);
ud->attackabletime = gettick() + status_get_amotion(bl);
if (ud->attacktimer == INVALID_TIMER)
return 1; //Nothing more to do.
delete_timer(ud->attacktimer, unit_attack_timer);
ud->attacktimer=add_timer(ud->attackabletime,unit_attack_timer,bl->id,0);
return 1;
}
/*==========================================
*
*------------------------------------------*/
bool unit_can_reach_pos(struct block_list *bl,int x,int y, int easy)
{
nullpo_retr(false, bl);
if (bl->x == x && bl->y == y) //Same place
return true;
return path_search(NULL,bl->m,bl->x,bl->y,x,y,easy,CELL_CHKNOREACH);
}
/*==========================================
*
*------------------------------------------*/
bool unit_can_reach_bl(struct block_list *bl,struct block_list *tbl, int range, int easy, short *x, short *y)
{
int i;
short dx,dy;
nullpo_retr(false, bl);
nullpo_retr(false, tbl);
if( bl->m != tbl->m)
return false;
if( bl->x==tbl->x && bl->y==tbl->y )
return true;
if(range>0 && !check_distance_bl(bl, tbl, range))
return false;
// It judges whether it can adjoin or not.
dx=tbl->x - bl->x;
dy=tbl->y - bl->y;
dx=(dx>0)?1:((dx<0)?-1:0);
dy=(dy>0)?1:((dy<0)?-1:0);
if (map_getcell(tbl->m,tbl->x-dx,tbl->y-dy,CELL_CHKNOPASS))
{ //Look for a suitable cell to place in.
for(i=0;i<9 && map_getcell(tbl->m,tbl->x-dirx[i],tbl->y-diry[i],CELL_CHKNOPASS);i++);
if (i==9) return false; //No valid cells.
dx = dirx[i];
dy = diry[i];
}
if (x) *x = tbl->x-dx;
if (y) *y = tbl->y-dy;
return path_search(NULL,bl->m,bl->x,bl->y,tbl->x-dx,tbl->y-dy,easy,CELL_CHKNOREACH);
}
/*==========================================
* Calculates position of Pet/Mercenary/Homunculus/Elemental
*------------------------------------------*/
int unit_calc_pos(struct block_list *bl, int tx, int ty, uint8 dir)
{
int dx, dy, x, y, i, k;
struct unit_data *ud = unit_bl2ud(bl);
nullpo_ret(ud);
if(dir > 7)
return 1;
ud->to_x = tx;
ud->to_y = ty;
// 2 cells from Master Position
dx = -dirx[dir] * 2;
dy = -diry[dir] * 2;
x = tx + dx;
y = ty + dy;
if( !unit_can_reach_pos(bl, x, y, 0) )
{
if( dx > 0 ) x--; else if( dx < 0 ) x++;
if( dy > 0 ) y--; else if( dy < 0 ) y++;
if( !unit_can_reach_pos(bl, x, y, 0) )
{
for( i = 0; i < 12; i++ )
{
k = rnd()%8; // Pick a Random Dir
dx = -dirx[k] * 2;
dy = -diry[k] * 2;
x = tx + dx;
y = ty + dy;
if( unit_can_reach_pos(bl, x, y, 0) )
break;
else
{
if( dx > 0 ) x--; else if( dx < 0 ) x++;
if( dy > 0 ) y--; else if( dy < 0 ) y++;
if( unit_can_reach_pos(bl, x, y, 0) )
break;
}
}
if( i == 12 )
{
x = tx; y = tx; // Exactly Master Position
if( !unit_can_reach_pos(bl, x, y, 0) )
return 1;
}
}
}
ud->to_x = x;
ud->to_y = y;
return 0;
}
/*==========================================
* Continuous Attack (function timer)
*------------------------------------------*/
static int unit_attack_timer_sub(struct block_list* src, int tid, unsigned int tick)
{
struct block_list *target;
struct unit_data *ud;
struct status_data *sstatus;
struct map_session_data *sd = NULL;
struct mob_data *md = NULL;
int range;
if( (ud=unit_bl2ud(src))==NULL )
return 0;
if( ud->attacktimer != tid )
{
ShowError("unit_attack_timer %d != %d\n",ud->attacktimer,tid);
return 0;
}
sd = BL_CAST(BL_PC, src);
md = BL_CAST(BL_MOB, src);
ud->attacktimer = INVALID_TIMER;
target=map_id2bl(ud->target);
if( src == NULL || src->prev == NULL || target==NULL || target->prev == NULL )
return 0;
if( status_isdead(src) || status_isdead(target) ||
battle_check_target(src,target,BCT_ENEMY) <= 0 || !status_check_skilluse(src, target, 0, 0)
#ifdef OFFICIAL_WALKPATH
|| !path_search_long(NULL, src->m, src->x, src->y, target->x, target->y, CELL_CHKWALL)
#endif
)
return 0; // can't attack under these conditions
if( src->m != target->m )
{
if( src->type == BL_MOB && mob_warpchase((TBL_MOB*)src, target) )
return 1; // Follow up.
return 0;
}
if( ud->skilltimer != INVALID_TIMER && !(sd && pc_checkskill(sd,SA_FREECAST) > 0) )
return 0; // can't attack while casting
if( !battle_config.sdelay_attack_enable && DIFF_TICK(ud->canact_tick,tick) > 0 && !(sd && pc_checkskill(sd,SA_FREECAST) > 0) )
{ // attacking when under cast delay has restrictions:
if( tid == INVALID_TIMER )
{ //requested attack.
if(sd) clif_skill_fail(sd,1,USESKILL_FAIL_SKILLINTERVAL,0);
return 0;
}
//Otherwise, we are in a combo-attack, delay this until your canact time is over. [Skotlex]
if( ud->state.attack_continue )
{
if( DIFF_TICK(ud->canact_tick, ud->attackabletime) > 0 )
ud->attackabletime = ud->canact_tick;
ud->attacktimer=add_timer(ud->attackabletime,unit_attack_timer,src->id,0);
}
return 1;
}
sstatus = status_get_status_data(src);
range = sstatus->rhw.range + 1;
if( unit_is_walking(target) )
range++; //Extra range when chasing
if( !check_distance_bl(src,target,range) ) { //Chase if required.
if(sd)
clif_movetoattack(sd,target);
else if(ud->state.attack_continue)
unit_walktobl(src,target,ud->chaserange,ud->state.walk_easy|2);
return 1;
}
if( !battle_check_range(src,target,range) ) {
//Within range, but no direct line of attack
if( ud->state.attack_continue ) {
if(ud->chaserange > 2) ud->chaserange-=2;
unit_walktobl(src,target,ud->chaserange,ud->state.walk_easy|2);
}
return 1;
}
//Sync packet only for players.
//Non-players use the sync packet on the walk timer. [Skotlex]
if (tid == INVALID_TIMER && sd) clif_fixpos(src);
if( DIFF_TICK(ud->attackabletime,tick) <= 0 )
{
if (battle_config.attack_direction_change && (src->type&battle_config.attack_direction_change)) {
ud->dir = map_calc_dir(src, target->x,target->y );
}
if(ud->walktimer != INVALID_TIMER)
unit_stop_walking(src,1);
if(md) {
if (mobskill_use(md,tick,-1))
return 1;
if (sstatus->mode&MD_ASSIST && DIFF_TICK(md->last_linktime, tick) < MIN_MOBLINKTIME)
{ // Link monsters nearby [Skotlex]
md->last_linktime = tick;
map_foreachinrange(mob_linksearch, src, md->db->range2, BL_MOB, md->class_, target, tick);
}
}
if(src->type == BL_PET && pet_attackskill((TBL_PET*)src, target->id))
return 1;
map_freeblock_lock();
ud->attacktarget_lv = battle_weapon_attack(src,target,tick,0);
if(sd && sd->status.pet_id > 0 && sd->pd && battle_config.pet_attack_support)
pet_target_check(sd,target,0);
map_freeblock_unlock();
/**
* Applied when you're unable to attack (e.g. out of ammo)
* We should stop here otherwise timer keeps on and this happens endlessly
**/
if( ud->attacktarget_lv == ATK_NONE )
return 1;
ud->attackabletime = tick + sstatus->adelay;
// You can't move if you can't attack neither.
if (src->type&battle_config.attack_walk_delay)
unit_set_walkdelay(src, tick, sstatus->amotion, 1);
}
if(ud->state.attack_continue)
ud->attacktimer = add_timer(ud->attackabletime,unit_attack_timer,src->id,0);
return 1;
}
static int unit_attack_timer(int tid, unsigned int tick, int id, intptr_t data)
{
struct block_list *bl;
bl = map_id2bl(id);
if(bl && unit_attack_timer_sub(bl, tid, tick) == 0)
unit_unattackable(bl);
return 0;
}
/*==========================================
* Cancels an ongoing skill cast.
* flag&1: Cast-Cancel invoked.
* flag&2: Cancel only if skill is cancellable.
*------------------------------------------*/
int unit_skillcastcancel(struct block_list *bl,int type)
{
struct map_session_data *sd = NULL;
struct unit_data *ud = unit_bl2ud( bl);
unsigned int tick=gettick();
int ret=0, skill_id;
nullpo_ret(bl);
if (!ud || ud->skilltimer == INVALID_TIMER)
return 0; //Nothing to cancel.
sd = BL_CAST(BL_PC, bl);
if (type&2) {
//See if it can be cancelled.
if (!ud->state.skillcastcancel)
return 0;
if (sd && (sd->special_state.no_castcancel2 ||
((sd->sc.data[SC_UNLIMITEDHUMMINGVOICE] || sd->special_state.no_castcancel) && !map_flag_gvg(bl->m) && !map[bl->m].flag.battleground))) //fixed flags being read the wrong way around [blackhole89]
return 0;
}
ud->canact_tick = tick;
if(type&1 && sd)
skill_id = sd->skill_id_old;
else
skill_id = ud->skill_id;
if (skill_get_inf(skill_id) & INF_GROUND_SKILL)
ret=delete_timer( ud->skilltimer, skill_castend_pos );
else
ret=delete_timer( ud->skilltimer, skill_castend_id );
if(ret<0)
ShowError("delete timer error : skill_id : %d\n",ret);
ud->skilltimer = INVALID_TIMER;
if( sd && pc_checkskill(sd,SA_FREECAST) > 0 )
status_calc_bl(&sd->bl, SCB_SPEED);
if( sd ) {
switch( skill_id ) {
case CG_ARROWVULCAN:
sd->canequip_tick = tick;
break;
}
}
if(bl->type==BL_MOB) ((TBL_MOB*)bl)->skill_idx = -1;
clif_skillcastcancel(bl);
return 1;
}
// unit_data initialization process
void unit_dataset(struct block_list *bl)
{
struct unit_data *ud;
nullpo_retv(ud = unit_bl2ud(bl));
memset( ud, 0, sizeof( struct unit_data) );
ud->bl = bl;
ud->walktimer = INVALID_TIMER;
ud->skilltimer = INVALID_TIMER;
ud->attacktimer = INVALID_TIMER;
ud->attackabletime =
ud->canact_tick =
ud->canmove_tick = gettick();
}
/*==========================================
* Counts the number of units attacking 'bl'
*------------------------------------------*/
int unit_counttargeted(struct block_list* bl)
{
struct unit_data* ud;
if( bl && (ud = unit_bl2ud(bl)) )
return ud->target_count;
return 0;
}
/*==========================================
*
*------------------------------------------*/
int unit_fixdamage(struct block_list *src,struct block_list *target,unsigned int tick,int sdelay,int ddelay,int damage,int div,int type,int damage2)
{
nullpo_ret(target);
if(damage+damage2 <= 0)
return 0;
return status_fix_damage(src,target,damage+damage2,clif_damage(target,target,tick,sdelay,ddelay,damage,div,type,damage2));
}
/*==========================================
* To change the size of the char (player or mob only)
*------------------------------------------*/
int unit_changeviewsize(struct block_list *bl,short size)
{
nullpo_ret(bl);
size=(size<0)?-1:(size>0)?1:0;
if(bl->type == BL_PC) {
((TBL_PC*)bl)->state.size=size;
} else if(bl->type == BL_MOB) {
((TBL_MOB*)bl)->special_state.size=size;
} else
return 0;
if(size!=0)
clif_specialeffect(bl,421+size, AREA);
return 0;
}
/*==========================================
* Removes a bl/ud from the map.
* Returns 1 on success. 0 if it couldn't be removed or the bl was free'd
* if clrtype is 1 (death), appropiate cleanup is performed.
* Otherwise it is assumed bl is being warped.
* On-Kill specific stuff is not performed here, look at status_damage for that.
*------------------------------------------*/
int unit_remove_map_(struct block_list *bl, clr_type clrtype, const char* file, int line, const char* func)
{
struct unit_data *ud = unit_bl2ud(bl);
struct status_change *sc = status_get_sc(bl);
nullpo_ret(ud);
if(bl->prev == NULL)
return 0; //Already removed?
map_freeblock_lock();
unit_set_target(ud, 0);
if (ud->walktimer != INVALID_TIMER)
unit_stop_walking(bl,0);
if (ud->attacktimer != INVALID_TIMER)
unit_stop_attack(bl);
if (ud->skilltimer != INVALID_TIMER)
unit_skillcastcancel(bl,0);
// Do not reset can-act delay. [Skotlex]
ud->attackabletime = ud->canmove_tick /*= ud->canact_tick*/ = gettick();
if(sc && sc->count ) { //map-change/warp dispells.
status_change_end(bl, SC_BLADESTOP, INVALID_TIMER);
status_change_end(bl, SC_BASILICA, INVALID_TIMER);
status_change_end(bl, SC_ANKLE, INVALID_TIMER);
status_change_end(bl, SC_TRICKDEAD, INVALID_TIMER);
status_change_end(bl, SC_BLADESTOP_WAIT, INVALID_TIMER);
status_change_end(bl, SC_RUN, INVALID_TIMER);
status_change_end(bl, SC_DANCING, INVALID_TIMER);
status_change_end(bl, SC_WARM, INVALID_TIMER);
status_change_end(bl, SC_DEVOTION, INVALID_TIMER);
status_change_end(bl, SC_MARIONETTE, INVALID_TIMER);
status_change_end(bl, SC_MARIONETTE2, INVALID_TIMER);
status_change_end(bl, SC_CLOSECONFINE, INVALID_TIMER);
status_change_end(bl, SC_CLOSECONFINE2, INVALID_TIMER);
status_change_end(bl, SC_TINDER_BREAKER, INVALID_TIMER);
status_change_end(bl, SC_TINDER_BREAKER2, INVALID_TIMER);
status_change_end(bl, SC_HIDING, INVALID_TIMER);
// Ensure the bl is a PC; if so, we'll handle the removal of cloaking and cloaking exceed later
if ( bl->type != BL_PC )
{
status_change_end(bl, SC_CLOAKING, INVALID_TIMER);
status_change_end(bl, SC_CLOAKINGEXCEED, INVALID_TIMER);
}
status_change_end(bl, SC_CHASEWALK, INVALID_TIMER);
if (sc->data[SC_GOSPEL] && sc->data[SC_GOSPEL]->val4 == BCT_SELF)
status_change_end(bl, SC_GOSPEL, INVALID_TIMER);
status_change_end(bl, SC_CHANGE, INVALID_TIMER);
status_change_end(bl, SC_STOP, INVALID_TIMER);
status_change_end(bl, SC_WUGDASH, INVALID_TIMER);
status_change_end(bl, SC_CAMOUFLAGE, INVALID_TIMER);
status_change_end(bl, SC__SHADOWFORM, INVALID_TIMER);
status_change_end(bl, SC__MANHOLE, INVALID_TIMER);
status_change_end(bl, SC_VACUUM_EXTREME, INVALID_TIMER);
status_change_end(bl, SC_CURSEDCIRCLE_ATKER, INVALID_TIMER); //callme before warp
}
if (bl->type&(BL_CHAR|BL_PET)) {
skill_unit_move(bl,gettick(),4);
skill_cleartimerskill(bl);
}
switch( bl->type ) {
case BL_PC: {
struct map_session_data *sd = (struct map_session_data*)bl;
if(sd->shadowform_id){ //if shadow target has leave the map
struct block_list *d_bl = map_id2bl(sd->shadowform_id);
if( d_bl )
status_change_end(d_bl,SC__SHADOWFORM,INVALID_TIMER);
}
//Leave/reject all invitations.
if(sd->chatID)
chat_leavechat(sd,0);
if(sd->trade_partner)
trade_tradecancel(sd);
buyingstore_close(sd);
searchstore_close(sd);
if(sd->state.storage_flag == 1)
storage_storage_quit(sd,0);
else if (sd->state.storage_flag == 2)
storage_guild_storage_quit(sd,0);
sd->state.storage_flag = 0; //Force close it when being warped.
if(sd->party_invite>0)
party_reply_invite(sd,sd->party_invite,0);
if(sd->guild_invite>0)
guild_reply_invite(sd,sd->guild_invite,0);
if(sd->guild_alliance>0)
guild_reply_reqalliance(sd,sd->guild_alliance_account,0);
if(sd->menuskill_id)
sd->menuskill_id = sd->menuskill_val = 0;
if( sd->touching_id )
npc_touchnext_areanpc(sd,true);
// Check if warping and not changing the map.
if ( sd->state.warping && !sd->state.changemap )
{
status_change_end(bl, SC_CLOAKING, INVALID_TIMER);
status_change_end(bl, SC_CLOAKINGEXCEED, INVALID_TIMER);
}
sd->npc_shopid = 0;
sd->adopt_invite = 0;
if(sd->pvp_timer != INVALID_TIMER) {
delete_timer(sd->pvp_timer,pc_calc_pvprank_timer);
sd->pvp_timer = INVALID_TIMER;
sd->pvp_rank = 0;
}
if(sd->duel_group > 0)
duel_leave(sd->duel_group, sd);
if(pc_issit(sd)) {
pc_setstand(sd);
skill_sit(sd,0);
}
party_send_dot_remove(sd);//minimap dot fix [Kevin]
guild_send_dot_remove(sd);
bg_send_dot_remove(sd);
if( map[bl->m].users <= 0 || sd->state.debug_remove_map )
{// this is only place where map users is decreased, if the mobs were removed too soon then this function was executed too many times [FlavioJS]
if( sd->debug_file == NULL || !(sd->state.debug_remove_map) )
{
sd->debug_file = "";
sd->debug_line = 0;
sd->debug_func = "";
}
ShowDebug("unit_remove_map: unexpected state when removing player AID/CID:%d/%d"
" (active=%d connect_new=%d rewarp=%d changemap=%d debug_remove_map=%d)"
" from map=%s (users=%d)."
" Previous call from %s:%d(%s), current call from %s:%d(%s)."
" Please report this!!!\n",
sd->status.account_id, sd->status.char_id,
sd->state.active, sd->state.connect_new, sd->state.rewarp, sd->state.changemap, sd->state.debug_remove_map,
map[bl->m].name, map[bl->m].users,
sd->debug_file, sd->debug_line, sd->debug_func, file, line, func);
}
else
if (--map[bl->m].users == 0 && battle_config.dynamic_mobs) //[Skotlex]
map_removemobs(bl->m);
if( !(sd->sc.option&OPTION_INVISIBLE) )
{// decrement the number of active pvp players on the map
--map[bl->m].users_pvp;
}
if( map[bl->m].instance_id )
{
instance[map[bl->m].instance_id].users--;
instance_check_idle(map[bl->m].instance_id);
}
sd->state.debug_remove_map = 1; // temporary state to track double remove_map's [FlavioJS]
sd->debug_file = file;
sd->debug_line = line;
sd->debug_func = func;
break;
}
case BL_MOB: {
struct mob_data *md = (struct mob_data*)bl;
// Drop previous target mob_slave_keep_target: no.
if (!battle_config.mob_slave_keep_target)
md->target_id=0;
md->attacked_id=0;
md->state.skillstate= MSS_IDLE;
break;
}
case BL_PET: {
struct pet_data *pd = (struct pet_data*)bl;
if( pd->pet.intimate <= 0 && !(pd->msd && !pd->msd->state.active) )
{ //If logging out, this is deleted on unit_free
clif_clearunit_area(bl,clrtype);
map_delblock(bl);
unit_free(bl,CLR_OUTSIGHT);
map_freeblock_unlock();
return 0;
}
break;
}
case BL_HOM: {
struct homun_data *hd = (struct homun_data *)bl;
ud->canact_tick = ud->canmove_tick; //It appears HOM do reset the can-act tick.
if( !hd->homunculus.intimacy && !(hd->master && !hd->master->state.active) )
{ //If logging out, this is deleted on unit_free
clif_emotion(bl, E_SOB);
clif_clearunit_area(bl,clrtype);
map_delblock(bl);
unit_free(bl,CLR_OUTSIGHT);
map_freeblock_unlock();
return 0;
}
break;
}
case BL_MER: {
struct mercenary_data *md = (struct mercenary_data *)bl;
ud->canact_tick = ud->canmove_tick;
if( mercenary_get_lifetime(md) <= 0 && !(md->master && !md->master->state.active) )
{
clif_clearunit_area(bl,clrtype);
map_delblock(bl);
unit_free(bl,CLR_OUTSIGHT);
map_freeblock_unlock();
return 0;
}
break;
}
case BL_ELEM: {
struct elemental_data *ed = (struct elemental_data *)bl;
ud->canact_tick = ud->canmove_tick;
if( elemental_get_lifetime(ed) <= 0 && !(ed->master && !ed->master->state.active) )
{
clif_clearunit_area(bl,clrtype);
map_delblock(bl);
unit_free(bl,0);
map_freeblock_unlock();
return 0;
}
break;
}
default: break;// do nothing
}
/**
* BL_MOB is handled by mob_dead unless the monster is not dead.
**/
if( bl->type != BL_MOB || !status_isdead(bl) )
clif_clearunit_area(bl,clrtype);
map_delblock(bl);
map_freeblock_unlock();
return 1;
}
void unit_remove_map_pc(struct map_session_data *sd, clr_type clrtype)
{
unit_remove_map(&sd->bl,clrtype);
if (clrtype == CLR_TELEPORT) clrtype = CLR_OUTSIGHT; //CLR_TELEPORT is the warp from logging out, but pets/homunc need to just 'vanish' instead of showing the warping out animation.
if(sd->pd)
unit_remove_map(&sd->pd->bl, clrtype);
if(merc_is_hom_active(sd->hd))
unit_remove_map(&sd->hd->bl, clrtype);
if(sd->md)
unit_remove_map(&sd->md->bl, clrtype);
if(sd->ed)
unit_remove_map(&sd->ed->bl, clrtype);
}
void unit_free_pc(struct map_session_data *sd)
{
if (sd->pd) unit_free(&sd->pd->bl,CLR_OUTSIGHT);
if (sd->hd) unit_free(&sd->hd->bl,CLR_OUTSIGHT);
if (sd->md) unit_free(&sd->md->bl,CLR_OUTSIGHT);
if (sd->ed) unit_free(&sd->ed->bl,CLR_OUTSIGHT);
unit_free(&sd->bl,CLR_TELEPORT);
}
/*==========================================
* Function to free all related resources to the bl
* if unit is on map, it is removed using the clrtype specified
*------------------------------------------*/
int unit_free(struct block_list *bl, clr_type clrtype)
{
struct unit_data *ud = unit_bl2ud( bl );
nullpo_ret(ud);
map_freeblock_lock();
if( bl->prev ) //Players are supposed to logout with a "warp" effect.
unit_remove_map(bl, clrtype);
switch( bl->type )
{
case BL_PC:
{
struct map_session_data *sd = (struct map_session_data*)bl;
int i;
if( status_isdead(bl) )
pc_setrestartvalue(sd,2);
pc_delinvincibletimer(sd);
pc_delautobonus(sd,sd->autobonus,ARRAYLENGTH(sd->autobonus),false);
pc_delautobonus(sd,sd->autobonus2,ARRAYLENGTH(sd->autobonus2),false);
pc_delautobonus(sd,sd->autobonus3,ARRAYLENGTH(sd->autobonus3),false);
if( sd->followtimer != INVALID_TIMER )
pc_stop_following(sd);
if( sd->duel_invite > 0 )
duel_reject(sd->duel_invite, sd);
if( raChSys.ally && sd->status.guild_id ) {
struct guild *g = sd->guild, *sg;
if( g ) {
if( idb_exists(((struct raChSysCh *)g->channel)->users, sd->status.char_id) )
clif_chsys_left((struct raChSysCh *)g->channel,sd);
for (i = 0; i < MAX_GUILDALLIANCE; i++) {
if( g->alliance[i].guild_id && (sg = guild_search(g->alliance[i].guild_id) ) ) {
if( idb_exists(((struct raChSysCh *)sg->channel)->users, sd->status.char_id) )
clif_chsys_left((struct raChSysCh *)sg->channel,sd);
break;
}
}
}
}
if( sd->channel_count ) {
uint8 ch_count = sd->channel_count;
for( i = 0; i < ch_count; i++ ) {
if( sd->channels[i] != NULL )
clif_chsys_left(sd->channels[i],sd);
}
if( raChSys.closing )
aFree(sd->channels);
}
// Notify friends that this char logged out. [Skotlex]
map_foreachpc(clif_friendslist_toggle_sub, sd->status.account_id, sd->status.char_id, 0);
party_send_logout(sd);
guild_send_memberinfoshort(sd,0);
pc_cleareventtimer(sd);
pc_inventory_rental_clear(sd);
pc_delspiritball(sd,sd->spiritball,1);
for(i = 1; i < 5; i++)
pc_del_talisman(sd, sd->talisman[i], i);
if( sd->reg ) { //Double logout already freed pointer fix... [Skotlex]
aFree(sd->reg);
sd->reg = NULL;
sd->reg_num = 0;
}
if( sd->regstr ) {
int i;
for( i = 0; i < sd->regstr_num; ++i )
if( sd->regstr[i].data )
aFree(sd->regstr[i].data);
aFree(sd->regstr);
sd->regstr = NULL;
sd->regstr_num = 0;
}
if( sd->st && sd->st->state != RUN ) {// free attached scripts that are waiting
script_free_state(sd->st);
sd->st = NULL;
sd->npc_id = 0;
}
if( sd->combos.count ) {
aFree(sd->combos.bonus);
aFree(sd->combos.id);
sd->combos.count = 0;
}
break;
}
case BL_PET:
{
struct pet_data *pd = (struct pet_data*)bl;
struct map_session_data *sd = pd->msd;
pet_hungry_timer_delete(pd);
if( pd->a_skill )
{
aFree(pd->a_skill);
pd->a_skill = NULL;
}
if( pd->s_skill )
{
if (pd->s_skill->timer != INVALID_TIMER) {
if (pd->s_skill->id)
delete_timer(pd->s_skill->timer, pet_skill_support_timer);
else
delete_timer(pd->s_skill->timer, pet_heal_timer);
}
aFree(pd->s_skill);
pd->s_skill = NULL;
}
if( pd->recovery )
{
if(pd->recovery->timer != INVALID_TIMER)
delete_timer(pd->recovery->timer, pet_recovery_timer);
aFree(pd->recovery);
pd->recovery = NULL;
}
if( pd->bonus )
{
if (pd->bonus->timer != INVALID_TIMER)
delete_timer(pd->bonus->timer, pet_skill_bonus_timer);
aFree(pd->bonus);
pd->bonus = NULL;
}
if( pd->loot )
{
pet_lootitem_drop(pd,sd);
if (pd->loot->item)
aFree(pd->loot->item);
aFree (pd->loot);
pd->loot = NULL;
}
if( pd->pet.intimate > 0 )
intif_save_petdata(pd->pet.account_id,&pd->pet);
else
{ //Remove pet.
intif_delete_petdata(pd->pet.pet_id);
if (sd) sd->status.pet_id = 0;
}
if( sd )
sd->pd = NULL;
break;
}
case BL_MOB:
{
struct mob_data *md = (struct mob_data*)bl;
if( md->spawn_timer != INVALID_TIMER )
{
delete_timer(md->spawn_timer,mob_delayspawn);
md->spawn_timer = INVALID_TIMER;
}
if( md->deletetimer != INVALID_TIMER )
{
delete_timer(md->deletetimer,mob_timer_delete);
md->deletetimer = INVALID_TIMER;
}
if( md->lootitem )
{
aFree(md->lootitem);
md->lootitem=NULL;
}
if( md->guardian_data )
{
struct guild_castle* gc = md->guardian_data->castle;
if( md->guardian_data->number >= 0 && md->guardian_data->number < MAX_GUARDIANS )
{
gc->guardian[md->guardian_data->number].id = 0;
}
else
{
int i;
ARR_FIND(0, gc->temp_guardians_max, i, gc->temp_guardians[i] == md->bl.id);
if( i < gc->temp_guardians_max )
gc->temp_guardians[i] = 0;
}
aFree(md->guardian_data);
md->guardian_data = NULL;
}
if( md->spawn )
{
md->spawn->active--;
if( !md->spawn->state.dynamic )
{// permanently remove the mob
if( --md->spawn->num == 0 )
{// Last freed mob is responsible for deallocating the group's spawn data.
aFree(md->spawn);
md->spawn = NULL;
}
}
}
if( md->base_status)
{
aFree(md->base_status);
md->base_status = NULL;
}
if( mob_is_clone(md->class_) )
mob_clone_delete(md);
if( md->tomb_nid )
mvptomb_destroy(md);
break;
}
case BL_HOM:
{
struct homun_data *hd = (TBL_HOM*)bl;
struct map_session_data *sd = hd->master;
merc_hom_hungry_timer_delete(hd);
if( hd->homunculus.intimacy > 0 )
merc_save(hd);
else
{
intif_homunculus_requestdelete(hd->homunculus.hom_id);
if( sd )
sd->status.hom_id = 0;
}
if( sd )
sd->hd = NULL;
break;
}
case BL_MER:
{
struct mercenary_data *md = (TBL_MER*)bl;
struct map_session_data *sd = md->master;
if( mercenary_get_lifetime(md) > 0 )
mercenary_save(md);
else
{
intif_mercenary_delete(md->mercenary.mercenary_id);
if( sd )
sd->status.mer_id = 0;
}
if( sd )
sd->md = NULL;
merc_contract_stop(md);
break;
}
case BL_ELEM: {
struct elemental_data *ed = (TBL_ELEM*)bl;
struct map_session_data *sd = ed->master;
if( elemental_get_lifetime(ed) > 0 )
elemental_save(ed);
else {
intif_elemental_delete(ed->elemental.elemental_id);
if( sd )
sd->status.ele_id = 0;
}
if( sd )
sd->ed = NULL;
elemental_summon_stop(ed);
break;
}
}
skill_clear_unitgroup(bl);
status_change_clear(bl,1);
map_deliddb(bl);
if( bl->type != BL_PC ) //Players are handled by map_quit
map_freeblock(bl);
map_freeblock_unlock();
return 0;
}
int do_init_unit(void)
{
add_timer_func_list(unit_attack_timer, "unit_attack_timer");
add_timer_func_list(unit_walktoxy_timer,"unit_walktoxy_timer");
add_timer_func_list(unit_walktobl_sub, "unit_walktobl_sub");
add_timer_func_list(unit_delay_walktoxy_timer,"unit_delay_walktoxy_timer");
return 0;
}
int do_final_unit(void)
{
// nothing to do
return 0;
}
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