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mob.c
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/**
* This file is part of Hercules.
* http://herc.ws - http://github.com/HerculesWS/Hercules
*
* Copyright (C) 2012-2024 Hercules Dev Team
* Copyright (C) Athena Dev Teams
*
* Hercules is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define HERCULES_CORE
#include "config/core.h" // AUTOLOOT_DISTANCE, DBPATH, DEFTYPE_MAX, DEFTYPE_MIN, RENEWAL_DROP, RENEWAL_EXP
#include "mob.h"
#include "map/atcommand.h"
#include "map/battle.h"
#include "map/clif.h"
#include "map/date.h"
#include "map/elemental.h"
#include "map/guild.h"
#include "map/homunculus.h"
#include "map/intif.h"
#include "map/itemdb.h"
#include "map/log.h"
#include "map/map.h"
#include "map/mercenary.h"
#include "map/npc.h"
#include "map/party.h"
#include "map/path.h"
#include "map/pc.h"
#include "map/pet.h"
#include "map/quest.h"
#include "map/script.h"
#include "map/skill.h"
#include "map/status.h"
#include "map/achievement.h"
#include "common/HPM.h"
#include "common/cbasetypes.h"
#include "common/conf.h"
#include "common/db.h"
#include "common/ers.h"
#include "common/memmgr.h"
#include "common/msgtable.h"
#include "common/nullpo.h"
#include "common/random.h"
#include "common/showmsg.h"
#include "common/socket.h"
#include "common/strlib.h"
#include "common/timer.h"
#include "common/utils.h"
#include <math.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
static struct mob_interface mob_s;
struct mob_interface *mob;
#define ACTIVE_AI_RANGE 2 //Distance added on top of 'AREA_SIZE' at which mobs enter active AI mode.
#define IDLE_SKILL_INTERVAL 10 //Active idle skills should be triggered every 1 second (1000/MIN_MOBTHINKTIME)
// Probability for mobs far from players from doing their IDLE skill. (rate of 1000 minute)
// in Aegis, this is 100% for mobs that have been activated by players and none otherwise.
#define MOB_LAZYSKILLPERC(md) (md->state.spotted?1000:0)
// Move probability for mobs away from players (rate of 1000 minute)
// in Aegis, this is 100% for mobs that have been activated by players and none otherwise.
#define MOB_LAZYMOVEPERC(md) ((md)->state.spotted?1000:0)
#define MOB_MAX_CASTTIME (10 * 60 * 1000) // Maximum cast time for monster skills. (10 minutes)
#define MOB_MAX_DELAY (24*3600*1000)
#define MAX_MINCHASE 30 //Max minimum chase value to use for mobs.
#define RUDE_ATTACKED_COUNT 2 //After how many rude-attacks should the skill be used?
//Dynamic item drop ratio database for per-item drop ratio modifiers overriding global drop ratios.
#define MAX_ITEMRATIO_MOBS 10
struct item_drop_ratio {
int drop_ratio;
int mob_id[MAX_ITEMRATIO_MOBS];
};
static struct item_drop_ratio *item_drop_ratio_db[MAX_ITEMDB];
static struct DBMap *item_drop_ratio_other_db = NULL;
static struct eri *item_drop_ers; //For loot drops delay structures.
static struct eri *item_drop_list_ers;
static struct mob_db *mob_db(int index)
{
if (index < 0 || index > MAX_MOB_DB || mob->db_data[index] == NULL)
return mob->dummy;
return mob->db_data[index];
}
static struct mob_chat *mob_chat(short id)
{
if(id <= 0 || id > MAX_MOB_CHAT || mob->chat_db[id] == NULL)
return NULL;
return mob->chat_db[id];
}
/*==========================================
* Mob is searched with a name.
*------------------------------------------*/
static int mobdb_searchname(const char *str)
{
int i;
nullpo_ret(str);
for(i=0;i<=MAX_MOB_DB;i++){
struct mob_db *monster = mob->db(i);
if(monster == mob->dummy) //Skip dummy mobs.
continue;
if(strcmpi(monster->name,str)==0 || strcmpi(monster->jname,str)==0)
return i;
if(battle_config.case_sensitive_aegisnames && strcmp(monster->sprite,str)==0)
return i;
if(!battle_config.case_sensitive_aegisnames && strcasecmp(monster->sprite,str)==0)
return i;
}
return 0;
}
static int mobdb_searchname_array_sub(struct mob_db *monster, const char *str, int flag)
{
nullpo_ret(monster);
if (monster == mob->dummy)
return 1;
if(!monster->base_exp && !monster->job_exp && monster->spawn[0].qty < 1)
return 1; // Monsters with no base/job exp and no spawn point are, by this criteria, considered "slave mobs" and excluded from search results
nullpo_ret(str);
if( !flag ) {
if(stristr(monster->jname,str))
return 0;
if(stristr(monster->name,str))
return 0;
} else {
if(strcmpi(monster->jname,str) == 0)
return 0;
if(strcmpi(monster->name,str) == 0)
return 0;
}
if (battle_config.case_sensitive_aegisnames)
return strcmp(monster->sprite,str);
return strcasecmp(monster->sprite,str);
}
/*==========================================
* MvP Tomb [GreenBox]
*------------------------------------------*/
/// Creates a timer to spawn a tomb
/// @param nd : The tomb
static void mvptomb_spawn_delayed(struct npc_data *nd)
{
nullpo_retv(nd);
if (nd->u.tomb.spawn_timer != INVALID_TIMER)
timer->delete(nd->u.tomb.spawn_timer, mob->mvptomb_delayspawn);
nd->u.tomb.spawn_timer = timer->add(timer->gettick() + battle_config.mvp_tomb_spawn_delay, mob->mvptomb_delayspawn, nd->bl.id, 0);
}
/// Spawns a tomb after the delay has ended
/// @param tid : Timer id
/// @param tick : current tick
/// @param id : NPC Id
/// @param data : 0
static int mvptomb_delayspawn(int tid, int64 tick, int id, intptr_t data)
{
struct npc_data *nd = map->id2nd(id);
if (nd == NULL)
return 0;
if (nd->u.tomb.spawn_timer != tid) {
ShowError("mvptomb_delay_spawn: Timer mismatch: %d != %d\n", tid, nd->u.tomb.spawn_timer);
return 0;
}
nd->u.tomb.spawn_timer = INVALID_TIMER;
// Sets view data to make the tomb visible and notifies client
status->set_viewdata(&nd->bl, nd->class_);
clif->spawn(&(nd->bl));
return 0;
}
static void mvptomb_create(struct mob_data *md, char *killer, time_t time)
{
struct npc_data *nd;
nullpo_retv(md);
if ( md->tomb_nid )
mob->mvptomb_destroy(md);
nd = npc->create_npc(TOMB, md->bl.m, md->bl.x, md->bl.y, md->ud.dir, MOB_TOMB);
md->tomb_nid = nd->bl.id;
safestrncpy(nd->name, msg_txt(MSGTBL_TOMB), sizeof(nd->name)); // "Tomb"
nd->u.tomb.md = md;
nd->u.tomb.kill_time = time;
nd->u.tomb.spawn_timer = INVALID_TIMER;
if (killer)
safestrncpy(nd->u.tomb.killer_name, killer, NAME_LENGTH);
else
nd->u.tomb.killer_name[0] = '\0';
map->addnpc(nd->bl.m, nd);
map->addblock(&nd->bl);
// Tomb npc is created but not yet visible, we set view data and spawn it after some time
mob->mvptomb_spawn_delayed(nd);
}
static void mvptomb_destroy(struct mob_data *md)
{
struct npc_data *nd;
nullpo_retv(md);
if ( (nd = map->id2nd(md->tomb_nid)) ) {
int16 m = nd->bl.m;
struct s_mapiterator *iter = mapit_geteachpc();
for (struct map_session_data *sd = BL_UCAST(BL_PC, mapit->first(iter)); mapit->exists(iter); sd = BL_UCAST(BL_PC, mapit->next(iter))) {
if (sd->npc_id == nd->bl.id) {
sd->state.npc_unloaded = 1;
}
}
mapit->free(iter);
clif->clearunit_area(&nd->bl,CLR_OUTSIGHT);
map->delblock(&nd->bl);
int i = 0;
ARR_FIND( 0, map->list[m].npc_num, i, map->list[m].npc[i] == nd );
if( !(i == map->list[m].npc_num) ) {
map->list[m].npc_num--;
map->list[m].npc[i] = map->list[m].npc[map->list[m].npc_num];
map->list[m].npc[map->list[m].npc_num] = NULL;
}
if (nd->u.tomb.spawn_timer != INVALID_TIMER)
timer->delete(nd->u.tomb.spawn_timer, mob->mvptomb_delayspawn);
map->deliddb(&nd->bl);
aFree(nd);
}
md->tomb_nid = 0;
}
/*==========================================
* Founds up to N matches. Returns number of matches [Skotlex]
*------------------------------------------*/
static int mobdb_searchname_array(struct mob_db **data, int size, const char *str, int flag)
{
int count = 0, i;
struct mob_db* monster;
nullpo_ret(data);
for(i=0;i<=MAX_MOB_DB;i++){
monster = mob->db(i);
if (monster == mob->dummy || mob->is_clone(i) ) //keep clones out (or you leak player stats)
continue;
if (!mob->db_searchname_array_sub(monster, str, flag)) {
if (count < size)
data[count] = monster;
count++;
}
}
return count;
}
/*==========================================
* Id Mob is checked.
*------------------------------------------*/
static int mobdb_checkid(const int id)
{
if (mob->db(id) == mob->dummy)
return 0;
if (mob->is_clone(id)) //checkid is used mostly for random ID based code, therefore clone mobs are out of the question.
return 0;
return id;
}
/*==========================================
* Returns the view data associated to this mob class.
*------------------------------------------*/
static struct view_data *mob_get_viewdata(int class_)
{
if (mob->db(class_) == mob->dummy)
return 0;
return &mob->db(class_)->vd;
}
/**
* Create unique view data associated to a spawned monster.
* @param md: Mob to adjust
*/
static void mob_set_dynamic_viewdata(struct mob_data *md)
{
nullpo_retv(md);
// If it is a valid monster and it has not already been created
if (md->vd_changed)
return;
// Allocate a dynamic entry
struct view_data *vd = (struct view_data *)aMalloc(sizeof(struct view_data));
// Copy the current values
memcpy(vd, md->vd, sizeof(struct view_data));
// Update the pointer to the new entry
md->vd = vd;
// Flag it as changed so it is freed later on
md->vd_changed = true;
}
/**
* Free any view data associated to a spawned monster.
* @param md: Mob to free
*/
static void mob_free_dynamic_viewdata(struct mob_data *md)
{
nullpo_retv(md);
// If it is a valid monster and it has already been allocated
if (!md->vd_changed)
return;
// Free it
aFree(md->vd);
// Remove the reference
md->vd = NULL;
// Unflag it as changed
md->vd_changed = false;
}
/*==========================================
* Cleans up mob-spawn data to make it "valid"
*------------------------------------------*/
static int mob_parse_dataset(struct spawn_data *data)
{
size_t len;
nullpo_ret(data);
if ((!mob->db_checkid(data->class_) && !mob->is_clone(data->class_)) || !data->num)
return 0;
if( ( len = strlen(data->eventname) ) > 0 )
{
if( data->eventname[len-1] == '"' )
data->eventname[len-1] = '\0'; //Remove trailing quote.
if( data->eventname[0] == '"' ) //Strip leading quotes
memmove(data->eventname, data->eventname+1, len-1);
}
if (strcmp(data->name, DEFAULT_MOB_NAME) == 0)
safestrncpy(data->name, mob->db(data->class_)->name, sizeof(data->name));
else if (strcmp(data->name, DEFAULT_MOB_JNAME) == 0)
safestrncpy(data->name, mob->db(data->class_)->jname, sizeof(data->name));
return 1;
}
/**
* Generates basic mob data by using the passed spawn data.
*
* @param data The mobs spawn data.
* @param npc_id If spawned by NPC script, this holds the ID of the invoking NPC.
* @return The generated mob data, later used to spawn the mob.
*
**/
static struct mob_data *mob_spawn_dataset(struct spawn_data *data, int npc_id)
{
nullpo_retr(NULL, data);
struct mob_data *md = (struct mob_data *)aCalloc(1, sizeof(struct mob_data));
memcpy(md->name, data->name, NAME_LENGTH);
md->bl.id = npc->get_new_npc_id();
md->bl.type = BL_MOB;
md->bl.m = data->m;
md->bl.x = data->x;
md->bl.y = data->y;
md->class_ = data->class_;
md->state.boss = data->state.boss;
md->db = mob->db(md->class_);
md->npc_id = npc_id;
md->spawn_timer = INVALID_TIMER;
md->deletetimer = INVALID_TIMER;
md->skill_idx = -1;
if (data->level > 0 && data->level <= MAX_LEVEL)
md->level = data->level;
if (data->state.ai > 0)
md->special_state.ai = data->state.ai;
if (data->state.size > 0)
md->special_state.size = data->state.size;
if (data->eventname[0] != '\0' && strlen(data->eventname) >= 4)
memcpy(md->npc_event, data->eventname, 50);
if ((md->db->status.mode & MD_LOOTER) == MD_LOOTER)
md->lootitem = (struct item *)aCalloc(LOOTITEM_SIZE, sizeof(struct item));
status->set_viewdata(&md->bl, md->class_);
status->change_init(&md->bl);
unit->dataset(&md->bl);
map->addiddb(&md->bl);
return md;
}
/*==========================================
* Fetches a random mob_id [Skotlex]
* type: Where to fetch from:
* 0: dead branch list
* 1: poring list
* 2: bloody branch list
* flag:
* &1: Apply the summon success chance found in the list (otherwise get any monster from the db)
* &2: Apply a monster check level.
* &4: Selected monster should not be a boss type
* &8: Selected monster must have normal spawn.
* lv: Mob level to check against
*------------------------------------------*/
static int mob_get_random_id(enum mob_groups type, int flag, int lv)
{
Assert_ret(type >= 0 && type < MOBG_MAX_GROUP);
struct mob_db *monster;
int i = 0;
int class_ = 0;
do {
if (type) {
const int idx = rnd() % VECTOR_LENGTH(mob->mob_groups[type]);
class_ = VECTOR_INDEX(mob->mob_groups[type], idx);
} else {
class_ = rnd() % MAX_MOB_DB;
}
monster = mob->db(class_);
} while ((monster == mob->dummy ||
mob->is_clone(class_) ||
(flag&1 && monster->summonper[type] <= rnd() % 1000000) ||
(flag&2 && lv < monster->lv) ||
(flag&4 && monster->status.mode&MD_BOSS) ||
(flag&8 && monster->spawn[0].qty < 1)
) && (i++) < MAX_MOB_DB);
if (i >= MAX_MOB_DB) // no suitable monster found, use fallback
class_ = MOBID_PORING;
return class_;
}
/*==========================================
* Kill Steal Protection [Zephyrus]
*------------------------------------------*/
static bool mob_ksprotected(struct block_list *src, struct block_list *target)
{
struct block_list *s_bl, *t_bl;
struct map_session_data
*sd, // Source
*pl_sd, // Owner
*t_sd; // Mob Target
struct mob_data *md;
int64 tick = timer->gettick();
char output[128];
if( !battle_config.ksprotection )
return false; // KS Protection Disabled
if (status->isdead(target) != 0)
return false; // Target is dead.
if( !(md = BL_CAST(BL_MOB,target)) )
return false; // Target is not MOB
if( (s_bl = battle->get_master(src)) == NULL )
s_bl = src;
if( !(sd = BL_CAST(BL_PC,s_bl)) )
return false; // Master is not PC
t_bl = map->id2bl(md->target_id);
if( !t_bl || (s_bl = battle->get_master(t_bl)) == NULL )
s_bl = t_bl;
t_sd = BL_CAST(BL_PC,s_bl);
do {
struct status_change_entry *sce;
if( map->list[md->bl.m].flag.allowks || map_flag_ks(md->bl.m) )
return false; // Ignores GVG, PVP and AllowKS map flags
if( md->db->mexp || md->master_id )
return false; // MVP, Slaves mobs ignores KS
if( (sce = md->sc.data[SC_KSPROTECTED]) == NULL )
break; // No KS Protected
if( sd->bl.id == sce->val1 || // Same Owner
(sce->val2 == KSPROTECT_PARTY && sd->status.party_id && sd->status.party_id == sce->val3) || // Party KS allowed
(sce->val2 == KSPROTECT_GUILD && sd->status.guild_id && sd->status.guild_id == sce->val4) ) // Guild KS allowed
break;
if( t_sd && (
(sce->val2 == KSPROTECT_SELF && sce->val1 != t_sd->bl.id) ||
(sce->val2 == KSPROTECT_PARTY && sce->val3 && sce->val3 != t_sd->status.party_id) ||
(sce->val2 == KSPROTECT_GUILD && sce->val4 && sce->val4 != t_sd->status.guild_id)) )
break;
if( (pl_sd = map->id2sd(sce->val1)) == NULL || pl_sd->bl.m != md->bl.m )
break;
if( !pl_sd->state.noks )
return false; // No KS Protected, but normal players should be protected too
// Message to KS
if( DIFF_TICK(sd->ks_floodprotect_tick, tick) <= 0 )
{
sprintf(output, msg_sd(sd, MSGTBL_KS_WARNING_OWNER), pl_sd->status.name); // [KS Warning!! - Owner : %s]
clif_disp_onlyself(sd, output);
sd->ks_floodprotect_tick = tick + 2000;
}
// Message to Owner
if( DIFF_TICK(pl_sd->ks_floodprotect_tick, tick) <= 0 )
{
sprintf(output, msg_sd(pl_sd, MSGTBL_KS_WARNING_PLAYER), sd->status.name); // [Watch out! %s is trying to KS you!]
clif_disp_onlyself(pl_sd, output);
pl_sd->ks_floodprotect_tick = tick + 2000;
}
return true;
} while(0);
status->change_start(NULL, target, SC_KSPROTECTED, 10000, sd->bl.id, sd->state.noks,
sd->status.party_id, sd->status.guild_id, battle_config.ksprotection, SCFLAG_NONE, 0);
return false;
}
/**
* Prepares a mob's spawn data.
*
* @param bl The invoking character's block list.
* @param m The ID of the map where the mob should be spawned.
* @param x The x coordinate where the mob should be spawned.
* @param y The y coordinate where the mob should be spawned.
* @param mobname The mob's display name.
* @param class_ The mob's ID in database.
* @param event The name of the event which should be executed when the mob is killed.
* @param size The mob's size.
* @param ai The mob's AI.
* @param npc_id If spawned by NPC script, this holds the ID of the invoking NPC.
* @return The mob data generated by mob->spawn_dataset().
*
**/
static struct mob_data *mob_once_spawn_sub(struct block_list *bl, int16 m, int16 x, int16 y, const char *mobname, int class_,
const char *event, unsigned int size, unsigned int ai, int npc_id)
{
struct spawn_data data;
memset(&data, 0, sizeof(struct spawn_data));
data.m = m;
data.num = 1;
data.class_ = class_;
data.state.size = size;
data.state.ai = ai;
if (mobname != NULL)
safestrncpy(data.name, mobname, sizeof(data.name));
else if (battle_config.override_mob_names == 1)
strcpy(data.name, DEFAULT_MOB_NAME);
else
strcpy(data.name, DEFAULT_MOB_JNAME);
if (event != NULL)
safestrncpy(data.eventname, event, sizeof(data.eventname));
/** Locate spot next to player. **/
if (bl != NULL && (x < 0 || y < 0))
map->search_free_cell(bl, m, &x, &y, 1, 1, SFC_DEFAULT);
/** If none found, pick random position on map. **/
if (x <= 0 || x >= map->list[m].xs || y <= 0 || y >= map->list[m].ys)
map->search_free_cell(NULL, m, &x, &y, -1, -1, SFC_XY_CENTER);
data.x = x;
data.y = y;
if (mob->parse_dataset(&data) == 0)
return NULL;
return mob->spawn_dataset(&data, npc_id);
}
/**
* Spawns a given amount of mobs.
*
* @param sd The invoking character.
* @param m The ID of the map where the mob should be spawned.
* @param x The x coordinate where the mob should be spawned.
* @param y The y coordinate where the mob should be spawned.
* @param mobname The mob's display name.
* @param class_ The mob's ID in database.
* @param amount The amount of mobs to spawn.
* @param event The name of the event which should be executed when the mob is killed.
* @param size The mob's size.
* @param ai The mob's AI.
* @return The last spawned mob's GID, or 0 if spawning failed.
*
**/
static int mob_once_spawn(struct map_session_data *sd, int16 m, int16 x, int16 y, const char *mobname, int class_,
int amount, const char *event, unsigned int size, unsigned int ai)
{
bool no_guardian_data = false;
if (ai > 0 && (ai & 0x200) == 0x200) {
no_guardian_data = true;
ai &= ~0x200;
}
if (m < 0 || amount <= 0)
return 0;
struct mob_data *md = NULL;
for (int i = 0; i < amount; i++) {
int mob_id = class_;
if (mob_id < 0) {
mob_id = mob->get_random_id(-class_ - 1, (battle_config.random_monster_checklv == 1) ? 3 : 1,
(sd != NULL) ? sd->status.base_level : 255);
}
md = mob->once_spawn_sub((sd != NULL) ? &sd->bl : NULL, m, x, y, mobname, mob_id, event, size, ai,
(sd != NULL) ? sd->npc_id : 0);
if (md == NULL)
continue;
if (class_ == MOBID_EMPELIUM && !no_guardian_data) {
struct guild_castle *gc = guild->mapindex2gc(map_id2index(m));
if (gc != NULL) {
struct guild *g = guild->search(gc->guild_id);
md->guardian_data = (struct guardian_data*)aCalloc(1, sizeof(struct guardian_data));
md->guardian_data->castle = gc;
md->guardian_data->number = MAX_GUARDIANS;
if (g != NULL)
md->guardian_data->g = g;
else if (gc->guild_id > 0) /// Guild not yet available, retry in 5s.
timer->add(timer->gettick() + 5000, mob->spawn_guardian_sub, md->bl.id,
gc->guild_id);
}
}
mob->spawn(md);
if (class_ < 0 && battle_config.dead_branch_active == 1) {
/// Behold Aegis' masterful decisions yet again...
/// "I understand the "Aggressive" part, but the "Can Move" and "Can Attack" is just stupid" [Poki]
sc_start4(NULL, &md->bl, SC_MODECHANGE, 100, 1, 0, MD_AGGRESSIVE|MD_CANATTACK|MD_CANMOVE|MD_ANGRY,
0, 60000, 0);
}
}
return (md != NULL) ? md->bl.id : 0; /// ID of last spawned mob.
}
/*==========================================
* Spawn mobs in the specified area.
*------------------------------------------*/
static int mob_once_spawn_area(struct map_session_data *sd, int16 m, int16 x0, int16 y0, int16 x1, int16 y1, const char *mobname, int class_, int amount, const char *event, unsigned int size, unsigned int ai)
{
int i, max, id = 0;
int lx = -1, ly = -1;
if (m < 0 || amount <= 0)
return 0; // invalid input
// normalize x/y coordinates
if (x0 > x1)
swap(x0, x1);
if (y0 > y1)
swap(y0, y1);
// choose a suitable max. number of attempts
max = (y1 - y0 + 1)*(x1 - x0 + 1)*3;
if (max > 1000)
max = 1000;
// spawn mobs, one by one
for (i = 0; i < amount; i++)
{
int x, y;
int j = 0;
// find a suitable map cell
do {
x = rnd()%(x1-x0+1)+x0;
y = rnd()%(y1-y0+1)+y0;
j++;
} while (map->getcell(m, NULL, x, y, CELL_CHKNOPASS) && j < max);
if (j == max)
{// attempt to find an available cell failed
if (lx == -1 && ly == -1)
return 0; // total failure
// fallback to last good x/y pair
x = lx;
y = ly;
}
// record last successful coordinates
lx = x;
ly = y;
id = mob->once_spawn(sd, m, x, y, mobname, class_, 1, event, size, ai);
}
return id; // id of last spawned mob
}
/**
* Sets a guardian's guild data and liberates castle if couldn't retrieve guild data.
* Required because the guild data may not be available at guardian spawn time.
*
* @param tid Required parameter for timer functions. Unused inside the function.
* @param tick Required parameter for timer functions. Unused inside the function.
* @param id The guardian mob's GID.
* @param data The guild ID.
* @return 1 on success, 0 on failure.
*
* @author Skotlex
*
**/
static int mob_spawn_guardian_sub(int tid, int64 tick, int id, intptr_t data)
{
struct block_list *bl = map->id2bl(id);
if (bl == NULL || bl->type != BL_MOB) /// It is possible mob was already removed from map when the castle has no owner. [Skotlex]
return 0;
struct mob_data *md = BL_UCAST(BL_MOB, bl);
if (md->guardian_data == NULL)
return 0;
struct guild *g = guild->search((int)data);
if (g == NULL) { /// Liberate castle, if the guild is not found this is an error! [Skotlex]
ShowError("mob_spawn_guardian_sub: Couldn't load guild %d!\n", (int)data);
/// Not sure this is the best way, but otherwise we'd be invoking this for ALL guardians spawned later on.
if (md->class_ == MOBID_EMPELIUM) {
md->guardian_data->g = NULL;
if (md->guardian_data->castle->guild_id > 0) { /// Free castle up.
ShowNotice("mob_spawn_guardian_sub: Clearing ownership of castle %d (%s).\n",
md->guardian_data->castle->castle_id,
md->guardian_data->castle->castle_name);
guild->castledatasave(md->guardian_data->castle->castle_id, 1, 0);
}
} else {
if (md->guardian_data->number >= 0 && md->guardian_data->number < MAX_GUARDIANS &&
md->guardian_data->castle->guardian[md->guardian_data->number].visible == 1)
guild->castledatasave(md->guardian_data->castle->castle_id,
10 + md->guardian_data->number, 0);
unit->free(&md->bl, CLR_OUTSIGHT); /// Remove guardian.
}
return 0;
}
if (guild->checkskill(g, GD_GUARDUP) > 0)
status_calc_mob(md, SCO_NONE); /// Give bonuses.
return 1;
}
/**
* Summons a castle guardian mob.
*
* @param mapname The name of the map where the guardian should be spawned.
* @param x The x coordinate where the guardian should be spawned.
* @param y The y coordinate where the guardian should be spawned.
* @param mobname The guardian's display name.
* @param class_ The guardian's mob ID in database.
* @param event The name of the event which should be executed when the guardian is killed.
* @param guardian The guardian's index.
* @param has_index If false, the guardian will be temporarily.
* @param npc_id If spawned by NPC script, this holds the ID of the invoking NPC.
* @return The spawned guardian's GID, or 0 if spawning failed.
*
* @author Valaris
*
**/
static int mob_spawn_guardian(const char *mapname, short x, short y, const char *mobname, int class_, const char *event,
int guardian, bool has_index, int npc_id)
{
nullpo_ret(mapname);
nullpo_ret(mobname);
nullpo_ret(event);
const int map_id = map->mapname2mapid(mapname);
if (map_id == INDEX_NOT_FOUND) {
ShowWarning("mob_spawn_guardian: Map [%s] not found.\n", mapname);
return 0;
}
if ((x <= 0 || y <= 0) && map->search_free_cell(NULL, map_id, &x, &y, -1, -1, SFC_XY_CENTER) != 0) {
ShowWarning("mob_spawn_guardian: Couldn't locate a spawn cell for guardian class %d (index %d) on castle map %s.\n",
class_, guardian, mapname);
return 0;
}
if (class_ <= 0 && (class_ = mob->get_random_id(-class_ - 1, 1, 99)) == 0)
return 0;
if (!has_index) {
guardian = -1;
} else if (guardian < 0 || guardian >= MAX_GUARDIANS) {
ShowError("mob_spawn_guardian: Invalid guardian index %d for guardian %d on castle map %s.\n",
guardian, class_, mapname);
return 0;
}
struct spawn_data data;
memset(&data, 0, sizeof(struct spawn_data));
data.num = 1;
data.m = map_id;
data.class_ = class_;
data.x = x;
data.y = y;
safestrncpy(data.name, mobname, sizeof(data.name));
safestrncpy(data.eventname, event, sizeof(data.eventname));
if (mob->parse_dataset(&data) == 0)
return 0;
struct guild_castle *gc = guild->mapname2gc(mapname);
if (gc == NULL) {
ShowError("mob_spawn_guardian: No castle set on map %s.\n", mapname);
return 0;
}
struct guild *g = NULL;
if (gc->guild_id == 0)
ShowWarning("mob_spawn_guardian: Spawning guardian %d on a castle map %s with no guild.\n",
class_, mapname);
else
g = guild->search(gc->guild_id);
if (has_index && gc->guardian[guardian].id != 0) { /// Check if guardian already exists, refuse to spawn if so.
struct mob_data *md = map->id2md(gc->guardian[guardian].id);
if (md != NULL && md->guardian_data != NULL && md->guardian_data->number == guardian) {
ShowError("mob_spawn_guardian: Attempted to spawn guardian in position %d which already has a guardian on castle map %s.\n",
guardian, mapname);
return 0;
}
}
struct mob_data *md = mob->spawn_dataset(&data, npc_id);
md->guardian_data = (struct guardian_data*)aCalloc(1, sizeof(struct guardian_data));
md->guardian_data->number = guardian;
md->guardian_data->castle = gc;
if (has_index) { /// Permanent guardian.
gc->guardian[guardian].id = md->bl.id;
} else { /// Temporary guardian.
int i;
ARR_FIND(0, gc->temp_guardians_max, i, gc->temp_guardians[i] == 0);
if (i == gc->temp_guardians_max) {
++(gc->temp_guardians_max);
RECREATE(gc->temp_guardians, int, gc->temp_guardians_max);
}
gc->temp_guardians[i] = md->bl.id;
}
if (g != NULL)
md->guardian_data->g = g;
else if (gc->guild_id > 0)
timer->add(timer->gettick() + 5000, mob->spawn_guardian_sub, md->bl.id, gc->guild_id);
mob->spawn(md);
return md->bl.id;
}
/**
* Spawn a mob with allegiance to the given battle group.
*
* @param mapname The name of the map where the mob should be spawned.
* @param x The x coordinate where the mob should be spawned.
* @param y The y coordinate where the mob should be spawned.
* @param mobname The mob's display name.
* @param class_ The mob's mob ID in database.
* @param event The name of the event which should be executed when the mob is killed.
* @param bg_id The battle group ID.
* @param npc_id If spawned by NPC script, this holds the ID of the invoking NPC.
* @return The spawned mob's GID, or 0 if spawning failed.
*
* @author Zephyrus
*
**/
static int mob_spawn_bg(const char *mapname, short x, short y, const char *mobname, int class_, const char *event,
unsigned int bg_id, int npc_id)
{
nullpo_ret(mapname);
nullpo_ret(mobname);
nullpo_ret(event);
const int map_id = map->mapname2mapid(mapname);
if (map_id == INDEX_NOT_FOUND) {
ShowWarning("mob_spawn_bg: Map [%s] not found.\n", mapname);
return 0;
}
if ((x <= 0 || y <= 0) && map->search_free_cell(NULL, map_id, &x, &y, -1, -1, SFC_XY_CENTER) != 0) {
ShowWarning("mob_spawn_bg: Couldn't locate a spawn cell for guardian class %d (bg_id %u) on map %s.\n", class_, bg_id, mapname);
return 0;
}
if (class_ <= 0 && (class_ = mob->get_random_id(-class_ - 1, 1, 99)) == 0)
return 0;
struct spawn_data data;
memset(&data, 0, sizeof(struct spawn_data));
data.num = 1;
data.m = map_id;
data.class_ = class_;
data.x = x;
data.y = y;
safestrncpy(data.name, mobname, sizeof(data.name));
safestrncpy(data.eventname, event, sizeof(data.eventname));
if (mob->parse_dataset(&data) == 0)
return 0;
struct mob_data *md = mob->spawn_dataset(&data, npc_id);
mob->spawn(md);
md->bg_id = bg_id;
return md->bl.id;
}
/*==========================================
* Reachability to a Specification ID existence place
* state indicates type of 'seek' mob should do:
* - MSS_LOOT: Looking for item, path must be easy.
* - MSS_RUSH: Chasing attacking player, path is complex
* - MSS_FOLLOW: Initiative/support seek, path is complex
*------------------------------------------*/
static int mob_can_reach(struct mob_data *md, struct block_list *bl, int range, int state)
{
int easy = 0;
nullpo_ret(md);
nullpo_ret(bl);
switch (state) {
case MSS_RUSH:
case MSS_FOLLOW:
easy = 0; //(battle_config.mob_ai&0x1?0:1);
break;
case MSS_LOOT: