自学教程：C++ status_set_viewdata函数代码示例

/** * Inter-serv has sent us the elemental data from sql, fill it in map-serv memory * @param ele : The elemental data received from char-serv * @param flag : 0:not created, 1:was saved/loaded * @return 0:failed, 1:sucess */int elemental_data_received(struct s_elemental *ele, bool flag) {	struct map_session_data *sd;	struct elemental_data *ed;	struct s_elemental_db *db;	int i = elemental_search_index(ele->class_);	if( (sd = map_charid2sd(ele->char_id)) == NULL )		return 0;	if( !flag || i < 0 ) { // Not created - loaded - DB info		sd->status.ele_id = 0;		return 0;	}	db = &elemental_db[i];	if( !sd->ed ) {	// Initialize it after first summon.		sd->ed = ed = (struct elemental_data*)aCalloc(1,sizeof(struct elemental_data));		ed->bl.type = BL_ELEM;		ed->bl.id = npc_get_new_npc_id();		ed->master = sd;		ed->db = db;		memcpy(&ed->elemental, ele, sizeof(struct s_elemental));		status_set_viewdata(&ed->bl, ed->elemental.class_);		ed->vd->head_mid = 10; // Why?		status_change_init(&ed->bl);		unit_dataset(&ed->bl);		ed->ud.dir = sd->ud.dir;		ed->bl.m = sd->bl.m;		ed->bl.x = sd->bl.x;		ed->bl.y = sd->bl.y;		unit_calc_pos(&ed->bl, sd->bl.x, sd->bl.y, sd->ud.dir);		ed->bl.x = ed->ud.to_x;		ed->bl.y = ed->ud.to_y;		map_addiddb(&ed->bl);		status_calc_elemental(ed,SCO_FIRST);		ed->last_spdrain_time = ed->last_thinktime = gettick();		ed->summon_timer = INVALID_TIMER;		ed->masterteleport_timer = INVALID_TIMER;		elemental_summon_init(ed);	} else {		memcpy(&sd->ed->elemental, ele, sizeof(struct s_elemental));		ed = sd->ed;	}	sd->status.ele_id = ele->elemental_id;	if( ed->bl.prev == NULL && sd->bl.prev != NULL ) {		if(map_addblock(&ed->bl))			return 0;		clif_spawn(&ed->bl);		clif_elemental_info(sd);		clif_elemental_updatestatus(sd,SP_HP);		clif_hpmeter_single(sd->fd,ed->bl.id,ed->battle_status.hp,ed->battle_status.max_hp);		clif_elemental_updatestatus(sd,SP_SP);	}	return 1;}

/** * Received mercenary data from char-serv * @param merc : mercenary datas * @param flag : if inter-serv request was sucessfull * @return false:failure, true:sucess */bool mercenary_recv_data(struct s_mercenary *merc, bool flag){	struct map_session_data *sd;	struct mercenary_data *md;	struct s_mercenary_db *db;	int i = mercenary_search_index(merc->class_);	if( (sd = map_charid2sd(merc->char_id)) == NULL )		return false;	if( !flag || i < 0 ) { // Not created - loaded - DB info		sd->status.mer_id = 0;		return false;	}	db = &mercenary_db[i];	if( !sd->md ) {		sd->md = md = (struct mercenary_data*)aCalloc(1,sizeof(struct mercenary_data));		md->bl.type = BL_MER;		md->bl.id = npc_get_new_npc_id();		md->devotion_flag = 0;		md->master = sd;		md->db = db;		memcpy(&md->mercenary, merc, sizeof(struct s_mercenary));		status_set_viewdata(&md->bl, md->mercenary.class_);		status_change_init(&md->bl);		unit_dataset(&md->bl);		md->ud.dir = sd->ud.dir;		md->bl.m = sd->bl.m;		md->bl.x = sd->bl.x;		md->bl.y = sd->bl.y;		unit_calc_pos(&md->bl, sd->bl.x, sd->bl.y, sd->ud.dir);		md->bl.x = md->ud.to_x;		md->bl.y = md->ud.to_y;		map_addiddb(&md->bl);		status_calc_mercenary(md, SCO_FIRST);		md->contract_timer = INVALID_TIMER;		md->masterteleport_timer = INVALID_TIMER;		merc_contract_init(md);	} else {		memcpy(&sd->md->mercenary, merc, sizeof(struct s_mercenary));		md = sd->md;	}	if( sd->status.mer_id == 0 )		mercenary_set_calls(md, 1);	sd->status.mer_id = merc->mercenary_id;	if( md && md->bl.prev == NULL && sd->bl.prev != NULL ) {		if(map_addblock(&md->bl))			return false;		clif_spawn(&md->bl);		clif_mercenary_info(sd);		clif_mercenary_skillblock(sd);	}	return true;}

/*** Changes homunculus class* @param hd* @param class_ old class* @reutrn Fals if the class cannot be changed, True if otherwise*/static bool hom_change_class(struct homun_data *hd, short class_) {	int i;	i = hom_search(class_,HOMUNCULUS_CLASS);	if (i < 0)		return false;	hd->homunculusDB = &homunculus_db[i];	hd->homunculus.class_ = class_;	status_set_viewdata(&hd->bl, class_);	hom_calc_skilltree(hd, 1);	return true;}

int merc_hom_change_class(struct homun_data *hd, short class_){	int i;	i = search_homunculusDB_index(class_,HOMUNCULUS_CLASS);	if(i < 0)		return 0;	hd->homunculusDB = &homunculus_db[i];	hd->homunculus.class_ = class_;	status_set_viewdata(&hd->bl, class_);	merc_hom_calc_skilltree(hd);	return 1;}

// Create homunc structureint merc_hom_alloc(struct map_session_data *sd, struct s_homunculus *hom){	struct homun_data *hd;	int i = 0;	short x,y;	nullpo_retr(1, sd);	Assert((sd->status.hom_id == 0 || sd->hd == 0) || sd->hd->master == sd); 	i = search_homunculusDB_index(hom->class_,HOMUNCULUS_CLASS);	if(i < 0) {		ShowError("merc_hom_alloc: unknown class [%d] for homunculus '%s', requesting deletion./n", hom->class_, hom->name);		sd->status.hom_id = 0;		intif_homunculus_requestdelete(hom->hom_id);		return 1;	}	sd->hd = hd = aCalloc(1,sizeof(struct homun_data));	hd->bl.type = BL_HOM;	hd->bl.id = npc_get_new_npc_id();	hd->master = sd;	hd->homunculusDB = &homunculus_db[i];	memcpy(&hd->homunculus, hom, sizeof(struct s_homunculus));	hd->exp_next = hexptbl[hd->homunculus.level - 1];	status_set_viewdata(&hd->bl, hd->homunculus.class_);	status_change_init(&hd->bl);	unit_dataset(&hd->bl);	hd->ud.dir = sd->ud.dir;	// Find a random valid pos around the player	hd->bl.m = sd->bl.m;	hd->bl.x = sd->bl.x;	hd->bl.y = sd->bl.y;	x = sd->bl.x + 1;	y = sd->bl.y + 1;	map_random_dir(&hd->bl, &x, &y);	hd->bl.x = x;	hd->bl.y = y;		map_addiddb(&hd->bl);	status_calc_homunculus(hd,1);	hd->hungry_timer = -1;	return 0;}

/*** Create homunc structure* @param sd* @param hom*/void hom_alloc(struct map_session_data *sd, struct s_homunculus *hom){	struct homun_data *hd;	int i = 0;	nullpo_retv(sd);	Assert((sd->status.hom_id == 0 || sd->hd == 0) || sd->hd->master == sd);	i = hom_search(hom->class_,HOMUNCULUS_CLASS);	if(i < 0) {		ShowError("hom_alloc: unknown class [%d] for homunculus '%s', requesting deletion./n", hom->class_, hom->name);		sd->status.hom_id = 0;		intif_homunculus_requestdelete(hom->hom_id);		return;	}	sd->hd = hd = (struct homun_data*)aCalloc(1,sizeof(struct homun_data));	hd->bl.type = BL_HOM;	hd->bl.id = npc_get_new_npc_id();	hd->master = sd;	hd->homunculusDB = &homunculus_db[i];	memcpy(&hd->homunculus, hom, sizeof(struct s_homunculus));	hd->exp_next = hexptbl[hd->homunculus.level - 1];	status_set_viewdata(&hd->bl, hd->homunculus.class_);	status_change_init(&hd->bl);	unit_dataset(&hd->bl);	hd->ud.dir = sd->ud.dir;	// Find a random valid pos around the player	hd->bl.m = sd->bl.m;	hd->bl.x = sd->bl.x;	hd->bl.y = sd->bl.y;	unit_calc_pos(&hd->bl, sd->bl.x, sd->bl.y, sd->ud.dir);	hd->bl.x = hd->ud.to_x;	hd->bl.y = hd->ud.to_y;	map_addiddb(&hd->bl);	status_calc_homunculus(hd, SCO_FIRST);	status_percent_heal(&hd->bl, 100, 100);	hd->hungry_timer = INVALID_TIMER;	hd->masterteleport_timer = INVALID_TIMER;}

/** * Remove a pet's equipment. * @param sd : player requesting * @param pd : pet requesting * @return 0:success, 1:failure */static int pet_unequipitem(struct map_session_data *sd, struct pet_data *pd){	struct item tmp_item;	unsigned short nameid;	unsigned char flag = 0;	if(pd->pet.equip == 0)		return 1;	nameid = pd->pet.equip;	pd->pet.equip = 0;	status_set_viewdata(&pd->bl, pd->pet.class_);	clif_pet_equip_area(pd);	memset(&tmp_item,0,sizeof(tmp_item));	tmp_item.nameid = nameid;	tmp_item.identify = 1;	if((flag = pc_additem(sd,&tmp_item,1,LOG_TYPE_OTHER))) {		clif_additem(sd,0,0,flag);		map_addflooritem(&tmp_item,1,sd->bl.m,sd->bl.x,sd->bl.y,0,0,0,0,0);	}	if( battle_config.pet_equip_required ) { // Skotlex: halt support timers if needed		if( pd->state.skillbonus ) {			pd->state.skillbonus = 0;			status_calc_pc(sd,SCO_NONE);		}		if( pd->s_skill && 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);			pd->s_skill->timer = INVALID_TIMER;		}		if( pd->bonus && pd->bonus->timer != INVALID_TIMER ) {			delete_timer(pd->bonus->timer, pet_skill_bonus_timer);			pd->bonus->timer = INVALID_TIMER;		}	}	return 0;}

static int pet_unequipitem(struct map_session_data *sd, struct pet_data *pd){	struct item tmp_item;	int nameid,flag;	if(pd->pet.equip == 0)		return 1;	nameid = pd->pet.equip;	pd->pet.equip = 0;	status_set_viewdata(&pd->bl, pd->pet.class_);	clif->send_petdata(NULL, sd->pd, 3, sd->pd->vd.head_bottom);	memset(&tmp_item,0,sizeof(tmp_item));	tmp_item.nameid = nameid;	tmp_item.identify = 1;	if((flag = pc->additem(sd,&tmp_item,1,LOG_TYPE_OTHER))) {		clif->additem(sd,0,0,flag);		iMap->addflooritem(&tmp_item,1,sd->bl.m,sd->bl.x,sd->bl.y,0,0,0,0);	}	if( battle_config.pet_equip_required )	{ // Skotlex: halt support timers if needed		if( pd->state.skillbonus )		{			pd->state.skillbonus = 0;			status_calc_pc(sd,0);		}		if( pd->s_skill && pd->s_skill->timer != INVALID_TIMER )		{			if( pd->s_skill->id )				iTimer->delete_timer(pd->s_skill->timer, pet_skill_support_timer);			else				iTimer->delete_timer(pd->s_skill->timer, pet_heal_timer);			pd->s_skill->timer = INVALID_TIMER;		}		if( pd->bonus && pd->bonus->timer != INVALID_TIMER )		{			iTimer->delete_timer(pd->bonus->timer, pet_skill_bonus_timer);			pd->bonus->timer = INVALID_TIMER;		}	}	return 0;}

/** * Apply a pet's equipment. * @param sd : player requesting * @param index : index value of item * @return 0:success, 1:failure */int pet_equipitem(struct map_session_data *sd,int index){	struct pet_data *pd;	unsigned short nameid;	nullpo_retr(1, sd);	pd = sd->pd;	if (!pd)		return 1;	nameid = sd->status.inventory[index].nameid;	if(pd->petDB->AcceID == 0 || nameid != pd->petDB->AcceID || pd->pet.equip != 0) {		clif_equipitemack(sd,0,0,0);		return 1;	}	pc_delitem(sd,index,1,0,0,LOG_TYPE_OTHER);	pd->pet.equip = nameid;	status_set_viewdata(&pd->bl, pd->pet.class_); //Updates view_data.	clif_pet_equip_area(pd);	if (battle_config.pet_equip_required) { // Skotlex: start support timers if need		unsigned int tick = gettick();		if (pd->s_skill && pd->s_skill->timer == INVALID_TIMER) {			if (pd->s_skill->id)				pd->s_skill->timer=add_timer(tick+pd->s_skill->delay*1000, pet_skill_support_timer, sd->bl.id, 0);			else				pd->s_skill->timer=add_timer(tick+pd->s_skill->delay*1000, pet_heal_timer, sd->bl.id, 0);		}		if (pd->bonus && pd->bonus->timer == INVALID_TIMER)			pd->bonus->timer=add_timer(tick+pd->bonus->delay*1000, pet_skill_bonus_timer, sd->bl.id, 0);	}	return 0;}

int merc_hom_change_class (struct homun_data *hd, short class_){	int i;	i = search_homunculusDB_index (class_, HOMUNCULUS_CLASS);	if (i < 0)		return 0;	if(hd->homunculus.class_ == 2633 && class_ != 2634 || hd->homunculus.class_ == 2633 && class_ != 2635 || hd->homunculus.class_ == 2633 && class_ != 2636){	i = rand(0, 99);	if(i < 34)	class_ = 2634;	else if(i <= 66 && i >= 34)	class_ = 2635;	else if(i > 66)	class_ = 2636;	}	hd->homunculusDB = &homunculus_db[i];	hd->homunculus.class_ = class_;	status_set_viewdata (&hd->bl, class_);	merc_hom_calc_skilltree (hd);	return 1;}

int pet_data_init(struct map_session_data *sd, struct s_pet *pet){	struct pet_data *pd;	int i = 0, interval = 0;	nullpo_retr(1,sd);	Assert((sd->status.pet_id == 0 || sd->pd == NULL) || sd->pd->master == sd);	if(sd->status.account_id != pet->account_id || sd->status.char_id != pet->char_id) {		sd->status.pet_id = 0;		return 1;	}	if(sd->status.pet_id != pet->pet_id) {		if(sd->status.pet_id) { //Wrong pet?? Set incubate to no and send it back for saving			pet->incubate = 1;			intif_save_petdata(sd->status.account_id,pet);			sd->status.pet_id = 0;			return 1;		}		//The pet_id value was lost? Odd, restore it		sd->status.pet_id = pet->pet_id;	}	i = search_petDB_index(pet->class_,PET_CLASS);	if(i < 0) {		sd->status.pet_id = 0;		return 1;	}	sd->pd = pd = (struct pet_data *)aCalloc(1,sizeof(struct pet_data));	pd->bl.type = BL_PET;	pd->bl.id = npc_get_new_npc_id();	pd->master = sd;	pd->petDB = &pet_db[i];	pd->db = mob_db(pet->class_);	memcpy(&pd->pet,pet,sizeof(struct s_pet));	status_set_viewdata(&pd->bl,pet->class_);	unit_dataset(&pd->bl);	pd->ud.dir = sd->ud.dir;	pd->bl.m = sd->bl.m;	pd->bl.x = sd->bl.x;	pd->bl.y = sd->bl.y;	unit_calc_pos(&pd->bl,sd->bl.x,sd->bl.y,sd->ud.dir);	pd->bl.x = pd->ud.to_x;	pd->bl.y = pd->ud.to_y;	map_addiddb(&pd->bl);	status_calc_pet(pd,SCO_FIRST);	pd->last_thinktime = gettick();	pd->state.skillbonus = 0;	if(battle_config.pet_status_support)		run_script(pet_db[i].pet_script,0,sd->bl.id,0);	if(pd->petDB) {		if(pd->petDB->pet_friendly_script)			status_calc_pc(sd,SCO_NONE);		if(battle_config.pet_hungry_delay_rate != 100)			interval = pd->petDB->hungry_delay * battle_config.pet_hungry_delay_rate / 100;		else			interval = pd->petDB->hungry_delay;	}	if(interval <= 0)		interval = 1;	pd->pet_hungry_timer = add_timer(gettick() + interval,pet_hungry,sd->bl.id,0);	pd->masterteleport_timer = INVALID_TIMER;	return 0;}