forked from HerculesWS/Hercules
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unit.c
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unit.c
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// Copyright (c) Hercules Dev Team, licensed under GNU GPL.
// See the LICENSE file
// Portions Copyright (c) Athena Dev Teams
#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 "../common/HPM.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_interface unit_s;
/**
* Returns the unit_data for the given block_list. If the object is using
* shared unit_data (i.e. in case of BL_NPC), it returns the shared data.
* @param bl block_list to process
* @return a pointer to the given object's unit_data
**/
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;
}
/**
* Returns the unit_data for the given block_list. If the object is using
* shared unit_data (i.e. in case of BL_NPC), it recreates a copy of the
* data so that it's safe to modify.
* @param bl block_list to process
* @return a pointer to the given object's unit_data
*/
struct unit_data* unit_bl2ud2(struct block_list *bl) {
if( bl && bl->type == BL_NPC && ((struct npc_data*)bl)->ud == &npc->base_ud ) {
struct npc_data *nd = (struct npc_data *)bl;
nd->ud = NULL;
CREATE(nd->ud, struct unit_data, 1);
unit->dataset(&nd->bl);
}
return unit->bl2ud(bl);
}
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 -= MOVE_DIAGONAL_COST;
else
i -= MOVE_COST;
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)*MOVE_DIAGONAL_COST/MOVE_COST;
else
i = status->get_speed(bl);
if( i > 0)
ud->walktimer = timer->add(timer->gettick()+i,unit->walktoxy_timer,bl->id,i);
return 1;
}
int unit_walktoxy_timer(int tid, int64 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 = -2; // 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 ) { // mercenary should be warped after being 3 seconds too far from the master [greenbox]
if( !check_distance_bl(&sd->bl, &sd->md->bl, MAX_MER_DISTANCE) ) {
if (sd->md->masterteleport_timer == 0)
sd->md->masterteleport_timer = timer->gettick();
else if (DIFF_TICK(timer->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 // reset the tick, he is not far anymore
sd->md->masterteleport_timer = 0;
}
if( sd->hd ) {
if( homun_alive(sd->hd) && !check_distance_bl(&sd->bl, &sd->hd->bl, MAX_MER_DISTANCE) ) {
if (sd->hd->masterteleport_timer == 0)
sd->hd->masterteleport_timer = timer->gettick();
else if (DIFF_TICK(timer->gettick(), sd->hd->masterteleport_timer) > 3000) {
sd->hd->masterteleport_timer = 0;
unit->warp( &sd->hd->bl, sd->bl.m, sd->bl.x, sd->bl.y, CLR_TELEPORT );
}
} else
sd->hd->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) &&
mob->skill_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 = timer->gettick();
}
else if (DIFF_TICK(timer->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 = timer->add(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;
}
int unit_delay_walktoxy_timer(int tid, int64 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;
if (!path->search(&wpd, bl->m, bl->x, bl->y, x, y, flag&1, CELL_CHKNOPASS)) // Count walk path cells
return 0;
#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 > (battle_config.max_walk_path/17)*14) // Official number of walkable cells is 14 if and only if there is an obstacle between. [malufett]
&& (bl->type != BL_NPC) ) // If type is a NPC, please disregard.
return 0;
#endif
if ((wpd.path_len > battle_config.max_walk_path) && (bl->type != BL_NPC))
return 0;
if (flag&4 && DIFF_TICK(ud->canmove_tick, timer->gettick()) > 0 &&
DIFF_TICK(ud->canmove_tick, timer->gettick()) < 2000) {
// Delay walking command. [Skotlex]
timer->add(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) {
timer->delete( 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;
}
int unit_walktobl_sub(int tid, int64 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?
timer->add(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, timer->gettick()) > 0)
{ //Can't move, wait a bit before invoking the movement.
timer->add(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) {
timer->delete( 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->sc_load(bl,bl->id,AREA,SI_TING,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->sc_end(bl,bl->id,AREA,SI_TING);
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->sc_load(bl,bl->id,AREA,SI_TING,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->sc_end(bl,bl->id,AREA,SI_TING);
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, timer->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, timer->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, timer->gettick());
ud->walktimer = -2; // 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* pbl = &sd->pd->bl;
if( !checkpath && !path->search(NULL,pbl->m,pbl->x,pbl->y,dst_x,dst_y,0,CELL_CHKNOPASS) )
flag = 1;
else if (!check_distance_bl(&sd->bl, pbl, AREA_SIZE)) //Too far, teleport.
flag = 2;
if( flag )
{
unit->movepos(pbl,sd->bl.x,sd->bl.y, 0, 0);
clif->slide(pbl,pbl->x,pbl->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);
if( bl->type == BL_NPC )
return ((TBL_NPC*)bl)->dir;
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;
nullpo_ret(bl);
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, timer->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 = path->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->list[bl->m].flag.monster_noteleport && ((TBL_MOB*)bl)->master_id == 0)
return 1;
if (m != bl->m && map->list[m].flag.nobranch && battle_config.mob_warp&4 && !(((TBL_MOB *)bl)->master_id))
return 1;
break;
case BL_PC:
if (map->list[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->list[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->list[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->list[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, ALC_MARK))
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,timer->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;
int64 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
//timer->delete function does not messes with it. If the function's
//behaviour changes in the future, this code could break!
td = timer->get(ud->walktimer);
timer->delete(ud->walktimer, unit->walktoxy_timer);
ud->walktimer = INVALID_TIMER;
ud->state.change_walk_target = 0;
tick = timer->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 = timer->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->cast_fix(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, timer->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->count
&& (
sc->data[SC_ANKLESNARE]
|| sc->data[SC_AUTOCOUNTER]
|| sc->data[SC_TRICKDEAD]
|| sc->data[SC_BLADESTOP]
|| sc->data[SC_BLADESTOP_WAIT]
|| (sc->data[SC_GOSPEL] && sc->data[SC_GOSPEL]->val4 == BCT_SELF) // cannot move while gospel is in effect
|| (sc->data[SC_BASILICA] && sc->data[SC_BASILICA]->val4 == bl->id) // Basilica caster cannot move
|| sc->data[SC_STOP]
|| sc->data[SC_RG_CCONFINE_M]
|| sc->data[SC_RG_CCONFINE_S]
|| sc->data[SC_GS_MADNESSCANCEL]
|| (sc->data[SC_GRAVITATION] && sc->data[SC_GRAVITATION]->val3 == BCT_SELF)
|| sc->data[SC_WHITEIMPRISON]
|| sc->data[SC_ELECTRICSHOCKER]
|| sc->data[SC_WUGBITE]
|| sc->data[SC_THORNS_TRAP]
|| sc->data[SC_MAGNETICFIELD]
|| sc->data[SC__MANHOLE]
|| sc->data[SC_CURSEDCIRCLE_ATKER]
|| sc->data[SC_CURSEDCIRCLE_TARGET]
|| (sc->data[SC_COLD] && bl->type != BL_MOB)
|| sc->data[SC_NETHERWORLD]
|| (sc->data[SC_CAMOUFLAGE] && sc->data[SC_CAMOUFLAGE]->val1 < 3 && !(sc->data[SC_CAMOUFLAGE]->val3&1))
|| sc->data[SC_MEIKYOUSISUI]
|| sc->data[SC_KG_KAGEHUMI]
|| sc->data[SC_KYOUGAKU]
|| sc->data[SC_NEEDLE_OF_PARALYZE]
|| sc->data[SC_VACUUM_EXTREME]
|| (sc->data[SC_FEAR] && sc->data[SC_FEAR]->val2 > 0)
|| (sc->data[SC_SPIDERWEB] && sc->data[SC_SPIDERWEB]->val1)
|| (sc->data[SC_CLOAKING] && sc->data[SC_CLOAKING]->val1 < 3 && !(sc->data[SC_CLOAKING]->val4&1)) //Need wall at level 1-2
|| (
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
)
)
)
)
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;
}