Map Server Core Structure and Routines.
[Map Server Routines.]

Data Structures
struct	block_list
struct	walkpath_data
struct	script_reg
struct	script_regstr
struct	status_change
struct	vending
struct	skill_unit
struct	skill_unit_group
struct	skill_unit_group_tickset
struct	skill_timerskill
struct	map_session_data
	The data assigned for each session. More...
struct	npc_timerevent_list
struct	npc_label_list
struct	npc_item_list
struct	npc_data
struct	mob_data
struct	pet_data
struct	map_data
struct	map_data_other_server
struct	flooritem_data
struct	chat_data
Defines
#define	MAX_PC_CLASS   4050
#define	PC_CLASS_BASE   0
#define	PC_CLASS_BASE2   (PC_CLASS_BASE + 4001)
#define	PC_CLASS_BASE3   (PC_CLASS_BASE2 + 22)
#define	MAX_NPC_PER_MAP   512
#define	BLOCK_SIZE   8
#define	AREA_SIZE   battle_config.area_size
#define	LOCAL_REG_NUM   16
#define	LIFETIME_FLOORITEM   60
#define	DAMAGELOG_SIZE   30
#define	LOOTITEM_SIZE   10
#define	MAX_SKILL_LEVEL   100
#define	MAX_STATUSCHANGE   250
#define	MAX_SKILLUNITGROUP   32
#define	MAX_MOBSKILLUNITGROUP   8
#define	MAX_SKILLUNITGROUPTICKSET   32
#define	MAX_SKILLTIMERSKILL   32
#define	MAX_MOBSKILLTIMERSKILL   10
#define	MAX_MOBSKILL   50
#define	MAX_EVENTQUEUE   2
#define	MAX_EVENTTIMER   32
#define	NATURAL_HEAL_INTERVAL   500
#define	MAX_FLOORITEM   500000
#define	MAX_LEVEL   255
#define	MAX_WALKPATH   32
	previously 48
#define	MAX_IGNORE_LIST   1000
	now it's used in dynamic, but maximum is to send all names in 1 packet (32768/24) = 1365 ->1000
#define	MAX_VENDING   12
#define	MAX_MOB_DB   2000
#define	MAX_PC_BONUS   10
#define	DEFAULT_AUTOSAVE_INTERVAL   120*1000
#define	OPTION_HIDE   0x40
#define	CELL_MASK   0x0f
#define	CELL_NPC   0x80
#define	CELL_BASILICA   0x40
#define	CELL_MOONLIT   0x100
#define	CELL_REGEN   0x200
#define	map_clearflooritem(id)   map_clearflooritem_timer(0,0,id,1)
Enumerations
enum	{   JOB_NOVICE, JOB_SWORDMAN, JOB_MAGE, JOB_ARCHER,   JOB_ACOLYTE, JOB_MERCHANT, JOB_THIEF, JOB_KNIGHT,   JOB_PRIEST, JOB_WIZARD, JOB_BLACKSMITH, JOB_HUNTER,   JOB_ASSASSIN, JOB_KNIGHT2, JOB_CRUSADER, JOB_MONK,   JOB_SAGE, JOB_ROGUE, JOB_ALCHEMIST, JOB_BARD,   JOB_DANCER, JOB_CRUSADER2, JOB_WEDDING, JOB_SUPER_NOVICE,   JOB_NOVICE_HIGH = 4001, JOB_SWORDMAN_HIGH, JOB_MAGE_HIGH, JOB_ARCHER_HIGH,   JOB_ACOLYTE_HIGH, JOB_MERCHANT_HIGH, JOB_THIEF_HIGH, JOB_LORD_KNIGHT,   JOB_HIGH_PRIEST, JOB_HIGH_WIZARD, JOB_WHITESMITH, JOB_SNIPER,   JOB_ASSASSIN_CROSS, JOB_LORD_KNIGHT2, JOB_PALADIN, JOB_CHAMPION,   JOB_PROFESSOR, JOB_STALKER, JOB_CREATOR, JOB_CLOWN,   JOB_GYPSY, JOB_PALADIN2, JOB_BABY, JOB_BABY_SWORDMAN,   JOB_BABY_MAGE, JOB_BABY_ARCHER, JOB_BABY_ACOLYTE, JOB_BABY_MERCHANT,   JOB_BABY_THIEF, JOB_BABY_KNIGHT, JOB_BABY_PRIEST, JOB_BABY_WIZARD,   JOB_BABY_BLACKSMITH, JOB_BABY_HUNTER, JOB_BABY_ASSASSIN, JOB_BABY_KNIGHT2,   JOB_BABY_CRUSADER, JOB_BABY_MONK, JOB_BABY_SAGE, JOB_BABY_ROGUE,   JOB_BABY_ALCHEMIST, JOB_BABY_BARD, JOB_BABY_DANCER, JOB_BABY_CRUSADER2,   JOB_SUPER_BABY }
	Job List for BaseClass.
enum	{   BL_NUL, BL_PC, BL_NPC, BL_MOB,   BL_ITEM, BL_CHAT, BL_SKILL, BL_PET }
enum	{ WARP, SHOP, SCRIPT, MONS }
enum	{   MS_IDLE, MS_WALK, MS_ATTACK, MS_DEAD,   MS_DELAY }
enum	{ NONE_ATTACKABLE, ATTACKABLE }
enum	{ ATK_LUCKY = 1, ATK_FLEE, ATK_DEF }
enum	{ EQP_WEAPON = 1, EQP_ARMOR = 2, EQP_SHIELD = 4, EQP_HELM = 8 }
enum	{   SP_SPEED, SP_BASEEXP, SP_JOBEXP, SP_KARMA,   SP_MANNER, SP_HP, SP_MAXHP, SP_SP,   SP_MAXSP, SP_STATUSPOINT, SP_0a, SP_BASELEVEL,   SP_SKILLPOINT, SP_STR, SP_AGI, SP_VIT,   SP_INT, SP_DEX, SP_LUK, SP_CLASS,   SP_ZENY, SP_SEX, SP_NEXTBASEEXP, SP_NEXTJOBEXP,   SP_WEIGHT, SP_MAXWEIGHT, SP_1a, SP_1b,   SP_1c, SP_1d, SP_1e, SP_1f,   SP_USTR, SP_UAGI, SP_UVIT, SP_UINT,   SP_UDEX, SP_ULUK, SP_26, SP_27,   SP_28, SP_ATK1, SP_ATK2, SP_MATK1,   SP_MATK2, SP_DEF1, SP_DEF2, SP_MDEF1,   SP_MDEF2, SP_HIT, SP_FLEE1, SP_FLEE2,   SP_CRITICAL, SP_ASPD, SP_36, SP_JOBLEVEL,   SP_UPPER, SP_PARTNER, SP_CART, SP_FAME,   SP_UNBREAKABLE, SP_CARTINFO = 99, SP_BASEJOB = 119, SP_BASECLASS = 120,   SP_ATTACKRANGE = 1000, SP_ATKELE, SP_DEFELE, SP_CASTRATE,   SP_MAXHPRATE, SP_MAXSPRATE, SP_SPRATE, SP_ADDELE,   SP_ADDRACE, SP_ADDSIZE, SP_SUBELE, SP_SUBRACE,   SP_ADDEFF, SP_RESEFF, SP_BASE_ATK, SP_ASPD_RATE,   SP_HP_RECOV_RATE, SP_SP_RECOV_RATE, SP_SPEED_RATE, SP_CRITICAL_DEF,   SP_NEAR_ATK_DEF, SP_LONG_ATK_DEF, SP_DOUBLE_RATE, SP_DOUBLE_ADD_RATE,   SP_MATK, SP_MATK_RATE, SP_IGNORE_DEF_ELE, SP_IGNORE_DEF_RACE,   SP_ATK_RATE, SP_SPEED_ADDRATE, SP_ASPD_ADDRATE, SP_MAGIC_ATK_DEF,   SP_MISC_ATK_DEF, SP_IGNORE_MDEF_ELE, SP_IGNORE_MDEF_RACE, SP_MAGIC_ADDELE,   SP_MAGIC_ADDRACE, SP_MAGIC_SUBRACE, SP_PERFECT_HIT_RATE, SP_PERFECT_HIT_ADD_RATE,   SP_CRITICAL_RATE, SP_GET_ZENY_NUM, SP_ADD_GET_ZENY_NUM, SP_ADD_DAMAGE_CLASS,   SP_ADD_MAGIC_DAMAGE_CLASS, SP_ADD_DEF_CLASS, SP_ADD_MDEF_CLASS, SP_ADD_MONSTER_DROP_ITEM,   SP_DEF_RATIO_ATK_ELE, SP_DEF_RATIO_ATK_RACE, SP_ADD_SPEED, SP_HIT_RATE,   SP_FLEE_RATE, SP_FLEE2_RATE, SP_DEF_RATE, SP_DEF2_RATE,   SP_MDEF_RATE, SP_MDEF2_RATE, SP_SPLASH_RANGE, SP_SPLASH_ADD_RANGE,   SP_AUTOSPELL, SP_HP_DRAIN_RATE, SP_SP_DRAIN_RATE, SP_SHORT_WEAPON_DAMAGE_RETURN,   SP_LONG_WEAPON_DAMAGE_RETURN, SP_WEAPON_COMA_ELE, SP_WEAPON_COMA_RACE, SP_ADDEFF2,   SP_BREAK_WEAPON_RATE, SP_BREAK_ARMOR_RATE, SP_ADD_STEAL_RATE, SP_MAGIC_DAMAGE_RETURN,   SP_RANDOM_ATTACK_INCREASE, SP_ALL_STATS, SP_AGI_VIT, SP_AGI_DEX_STR,   SP_PERFECT_HIDE, SP_DISGUISE, SP_CLASSCHANGE, SP_HP_DRAIN_VALUE,   SP_SP_DRAIN_VALUE, SP_WEAPON_ATK, SP_WEAPON_ATK_RATE, SP_DELAYRATE,   SP_RESTART_FULL_RECORVER = 2000, SP_NO_CASTCANCEL, SP_NO_SIZEFIX, SP_NO_MAGIC_DAMAGE,   SP_NO_WEAPON_DAMAGE, SP_NO_GEMSTONE, SP_NO_CASTCANCEL2, SP_INFINITE_ENDURE,   SP_UNBREAKABLE_WEAPON, SP_UNBREAKABLE_ARMOR, SP_UNBREAKABLE_HELM, SP_UNBREAKABLE_SHIELD,   SP_LONG_ATK_RATE, SP_CRIT_ATK_RATE, SP_CRITICAL_ADDRACE, SP_NO_REGEN,   SP_ADDEFF_WHENHIT, SP_AUTOSPELL_WHENHIT, SP_SKILL_ATK, SP_UNSTRIPABLE,   SP_ADD_DAMAGE_BY_CLASS, SP_SP_GAIN_VALUE, SP_IGNORE_DEF_MOB, SP_HP_LOSS_RATE,   SP_ADDRACE2, SP_HP_GAIN_VALUE, SP_SUBSIZE, SP_DAMAGE_WHEN_UNEQUIP,   SP_ADD_ITEM_HEAL_RATE, SP_LOSESP_WHEN_UNEQUIP, SP_EXP_ADDRACE, SP_SP_GAIN_RACE }
enum	{   LOOK_BASE, LOOK_HAIR, LOOK_WEAPON, LOOK_HEAD_BOTTOM,   LOOK_HEAD_TOP, LOOK_HEAD_MID, LOOK_HAIR_COLOR, LOOK_CLOTHES_COLOR,   LOOK_SHIELD, LOOK_SHOES }
enum	cell_t {   CELL_CHKWALL = 0, CELL_CHKWATER, CELL_CHKGROUND, CELL_CHKPASS,   CELL_CHKNOPASS, CELL_GETTYPE, CELL_CHKNOPASS_NPC, CELL_CHKNPC = 0x10,   CELL_CHKBASILICA }
enum	{ CELL_SETNPC = 0x10, CELL_SETBASILICA, CELL_CLRBASILICA }
enum	{   READ_FROM_GAT, READ_FROM_AFM, READ_FROM_BITMAP, CREATE_BITMAP,   READ_FROM_BITMAP_COMPRESSED, CREATE_BITMAP_COMPRESSED }
Functions
int	map_getcell (int, int, int, cell_t)
int	map_getcellp (struct map_data *, int, int, cell_t)
void	map_setcell (int, int, int, int)
void	map_setusers (int)
int	map_getusers (void)
int	map_freeblock (void *bl)
void	map_freeblock_lock (void)
void	map_freeblock_unlock (void)
int	map_addblock (struct block_list *)
int	map_delblock (struct block_list *)
void	map_foreachinarea (int(*)(struct block_list *, va_list), int, int, int, int, int, int,...)
void	map_foreachinmovearea (int(*)(struct block_list *, va_list), int, int, int, int, int, int, int, int,...)
void	map_foreachinpath (int(*)(struct block_list *, va_list), int, int, int, int, int, int, int,...)
int	map_count_oncell (int m, int x, int y)
skill_unit *	map_find_skill_unit_oncell (struct block_list *, int x, int y, int skill_id, struct skill_unit *)
int	map_addobject (struct block_list *)
int	map_delobject (intptr_t)
int	map_delobjectnofree (intptr_t id)
void	map_foreachobject (int(*)(struct block_list *, va_list), int,...)
void	map_quit (struct map_session_data *)
void	map_quit2 (struct map_session_data *)
int	map_addnpc (int, struct npc_data *)
	TIMER_FUNC (map_clearflooritem_timer)
int	map_addflooritem (struct item *, int, int, int, int, struct map_session_data *, struct map_session_data *, struct map_session_data *, int owner_id, int)
int	map_searchrandfreecell (int, int, int, int)
void	map_addchariddb (intptr_t charid, char *name)
void	map_delchariddb (intptr_t charid)
int	map_reqchariddb (struct map_session_data *sd, intptr_t charid)
char *	map_charid2nick (intptr_t)
map_session_data *	map_charid2sd (int)
map_session_data *	map_id2sd (int)
block_list *	map_id2bl (intptr_t)
int	map_mapname2mapid (const char *)
int	map_mapname2ipport (const char *, int *, int *)
short	map_checkmapname (const char *mapname)
int	map_setipport (char *name, unsigned long ip, int port)
int	map_eraseipport (char *name, unsigned long ip, int port)
int	map_eraseallipport (void)
void	map_addiddb (struct block_list *)
void	map_deliddb (struct block_list *bl)
void	map_foreachiddb (int(*)(void *, void *, va_list),...)
map_session_data *	map_nick2sd (char *)
int	map_check_dir (int s_dir, int t_dir)
int	map_calc_dir (struct block_list *src, int x, int y)
int	path_search (struct walkpath_data *, int, int, int, int, int, int)
int	path_search_long (int m, int x0, int y_0, int x1, int y_1)
int	path_blownpos (int m, int x0, int y_0, int dx, int dy, int count)
int	map_who (int fd)
void	map_helpscreen ()
Variables
char	messages_filename [1024]
map_data *	map
int	map_num
int	autosave_interval
unsigned char	agit_flag
unsigned char	night_flag
char	motd_txt []
char	help_txt []
char	talkie_mes []
char	wisp_server_name [25]
int	server_char_id
int	server_fake_mob_id
char	npc_language [6]
unsigned char	map_is_alone
char	item_db_db [32]
char	mob_db_db [32]
char	create_item_db_script
char	create_mob_db_script

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