C++ PlayerSAO::getBasePosition方法代码示例

void PlayerDatabaseSQLite3::savePlayer(RemotePlayer *player)
{
	PlayerSAO* sao = player->getPlayerSAO();
	sanity_check(sao);

	const v3f &pos = sao->getBasePosition();
	// Begin save in brace is mandatory
	if (!playerDataExists(player->getName())) {
		beginSave();
		str_to_sqlite(m_stmt_player_add, 1, player->getName());
		double_to_sqlite(m_stmt_player_add, 2, sao->getPitch());
		double_to_sqlite(m_stmt_player_add, 3, sao->getYaw());
		double_to_sqlite(m_stmt_player_add, 4, pos.X);
		double_to_sqlite(m_stmt_player_add, 5, pos.Y);
		double_to_sqlite(m_stmt_player_add, 6, pos.Z);
		int64_to_sqlite(m_stmt_player_add, 7, sao->getHP());
		int64_to_sqlite(m_stmt_player_add, 8, sao->getBreath());

		sqlite3_vrfy(sqlite3_step(m_stmt_player_add), SQLITE_DONE);
		sqlite3_reset(m_stmt_player_add);
	} else {
		beginSave();
		double_to_sqlite(m_stmt_player_update, 1, sao->getPitch());
		double_to_sqlite(m_stmt_player_update, 2, sao->getYaw());
		double_to_sqlite(m_stmt_player_update, 3, pos.X);
		double_to_sqlite(m_stmt_player_update, 4, pos.Y);
		double_to_sqlite(m_stmt_player_update, 5, pos.Z);
		int64_to_sqlite(m_stmt_player_update, 6, sao->getHP());
		int64_to_sqlite(m_stmt_player_update, 7, sao->getBreath());
		str_to_sqlite(m_stmt_player_update, 8, player->getName());

		sqlite3_vrfy(sqlite3_step(m_stmt_player_update), SQLITE_DONE);
		sqlite3_reset(m_stmt_player_update);
	}

	// Write player inventories
	str_to_sqlite(m_stmt_player_remove_inventory, 1, player->getName());
	sqlite3_vrfy(sqlite3_step(m_stmt_player_remove_inventory), SQLITE_DONE);
	sqlite3_reset(m_stmt_player_remove_inventory);

	str_to_sqlite(m_stmt_player_remove_inventory_items, 1, player->getName());
	sqlite3_vrfy(sqlite3_step(m_stmt_player_remove_inventory_items), SQLITE_DONE);
	sqlite3_reset(m_stmt_player_remove_inventory_items);

	std::vector<const InventoryList*> inventory_lists = sao->getInventory()->getLists();
	for (u16 i = 0; i < inventory_lists.size(); i++) {
		const InventoryList* list = inventory_lists[i];

		str_to_sqlite(m_stmt_player_add_inventory, 1, player->getName());
		int_to_sqlite(m_stmt_player_add_inventory, 2, i);
		int_to_sqlite(m_stmt_player_add_inventory, 3, list->getWidth());
		str_to_sqlite(m_stmt_player_add_inventory, 4, list->getName());
		int_to_sqlite(m_stmt_player_add_inventory, 5, list->getSize());
		sqlite3_vrfy(sqlite3_step(m_stmt_player_add_inventory), SQLITE_DONE);
		sqlite3_reset(m_stmt_player_add_inventory);

		for (u32 j = 0; j < list->getSize(); j++) {
			std::ostringstream os;
			list->getItem(j).serialize(os);
			std::string itemStr = os.str();

			str_to_sqlite(m_stmt_player_add_inventory_items, 1, player->getName());
			int_to_sqlite(m_stmt_player_add_inventory_items, 2, i);
			int_to_sqlite(m_stmt_player_add_inventory_items, 3, j);
			str_to_sqlite(m_stmt_player_add_inventory_items, 4, itemStr);
			sqlite3_vrfy(sqlite3_step(m_stmt_player_add_inventory_items), SQLITE_DONE);
			sqlite3_reset(m_stmt_player_add_inventory_items);
		}
	}

	str_to_sqlite(m_stmt_player_metadata_remove, 1, player->getName());
	sqlite3_vrfy(sqlite3_step(m_stmt_player_metadata_remove), SQLITE_DONE);
	sqlite3_reset(m_stmt_player_metadata_remove);

	const PlayerAttributes &attrs = sao->getExtendedAttributes();
	for (PlayerAttributes::const_iterator it = attrs.begin(); it != attrs.end(); ++it) {
		str_to_sqlite(m_stmt_player_metadata_add, 1, player->getName());
		str_to_sqlite(m_stmt_player_metadata_add, 2, it->first);
		str_to_sqlite(m_stmt_player_metadata_add, 3, it->second);
		sqlite3_vrfy(sqlite3_step(m_stmt_player_metadata_add), SQLITE_DONE);
		sqlite3_reset(m_stmt_player_metadata_add);
	}

	endSave();
}

void RemoteClient::GetNextBlocks (
		ServerEnvironment *env,
		EmergeManager * emerge,
		float dtime,
		std::vector<PrioritySortedBlockTransfer> &dest)
{
	DSTACK(FUNCTION_NAME);


	// Increment timers
	m_nothing_to_send_pause_timer -= dtime;
	m_nearest_unsent_reset_timer += dtime;

	if(m_nothing_to_send_pause_timer >= 0)
		return;

	RemotePlayer *player = env->getPlayer(peer_id);
	// This can happen sometimes; clients and players are not in perfect sync.
	if (!player)
		return;

	PlayerSAO *sao = player->getPlayerSAO();
	if (!sao)
		return;

	// Won't send anything if already sending
	if(m_blocks_sending.size() >= g_settings->getU16
			("max_simultaneous_block_sends_per_client"))
	{
		//infostream<<"Not sending any blocks, Queue full."<<std::endl;
		return;
	}

	v3f playerpos = sao->getBasePosition();
	const v3f &playerspeed = player->getSpeed();
	v3f playerspeeddir(0,0,0);
	if(playerspeed.getLength() > 1.0*BS)
		playerspeeddir = playerspeed / playerspeed.getLength();
	// Predict to next block
	v3f playerpos_predicted = playerpos + playerspeeddir*MAP_BLOCKSIZE*BS;

	v3s16 center_nodepos = floatToInt(playerpos_predicted, BS);

	v3s16 center = getNodeBlockPos(center_nodepos);

	// Camera position and direction
	v3f camera_pos = sao->getEyePosition();
	v3f camera_dir = v3f(0,0,1);
	camera_dir.rotateYZBy(sao->getPitch());
	camera_dir.rotateXZBy(sao->getYaw());

	/*infostream<<"camera_dir=("<<camera_dir.X<<","<<camera_dir.Y<<","
			<<camera_dir.Z<<")"<<std::endl;*/

	/*
		Get the starting value of the block finder radius.
	*/

	if(m_last_center != center)
	{
		m_nearest_unsent_d = 0;
		m_last_center = center;
	}

	/*infostream<<"m_nearest_unsent_reset_timer="
			<<m_nearest_unsent_reset_timer<<std::endl;*/

	// Reset periodically to workaround for some bugs or stuff
	if(m_nearest_unsent_reset_timer > 20.0)
	{
		m_nearest_unsent_reset_timer = 0;
		m_nearest_unsent_d = 0;
		//infostream<<"Resetting m_nearest_unsent_d for "
		//		<<server->getPlayerName(peer_id)<<std::endl;
	}

	//s16 last_nearest_unsent_d = m_nearest_unsent_d;
	s16 d_start = m_nearest_unsent_d;

	//infostream<<"d_start="<<d_start<<std::endl;

	u16 max_simul_sends_setting = g_settings->getU16
			("max_simultaneous_block_sends_per_client");
	u16 max_simul_sends_usually = max_simul_sends_setting;

	/*
		Check the time from last addNode/removeNode.

		Decrease send rate if player is building stuff.
	*/
	m_time_from_building += dtime;
	if(m_time_from_building < g_settings->getFloat(
				"full_block_send_enable_min_time_from_building"))
	{
		max_simul_sends_usually
			= LIMITED_MAX_SIMULTANEOUS_BLOCK_SENDS;
	}

	/*
		Number of blocks sending + number of blocks selected for sending
//.........这里部分代码省略.........

void PlayerDatabasePostgreSQL::savePlayer(RemotePlayer *player)
{
	PlayerSAO* sao = player->getPlayerSAO();
	if (!sao)
		return;

	verifyDatabase();

	v3f pos = sao->getBasePosition();
	std::string pitch = ftos(sao->getPitch());
	std::string yaw = ftos(sao->getYaw());
	std::string posx = ftos(pos.X);
	std::string posy = ftos(pos.Y);
	std::string posz = ftos(pos.Z);
	std::string hp = itos(sao->getHP());
	std::string breath = itos(sao->getBreath());
	const char *values[] = {
		player->getName(),
		pitch.c_str(),
		yaw.c_str(),
		posx.c_str(), posy.c_str(), posz.c_str(),
		hp.c_str(),
		breath.c_str()
	};

	const char* rmvalues[] = { player->getName() };
	beginSave();

	if (getPGVersion() < 90500) {
		if (!playerDataExists(player->getName()))
			execPrepared("create_player", 8, values, true, false);
		else
			execPrepared("update_player", 8, values, true, false);
	}
	else
		execPrepared("save_player", 8, values, true, false);

	// Write player inventories
	execPrepared("remove_player_inventories", 1, rmvalues);
	execPrepared("remove_player_inventory_items", 1, rmvalues);

	std::vector<const InventoryList*> inventory_lists = sao->getInventory()->getLists();
	for (u16 i = 0; i < inventory_lists.size(); i++) {
		const InventoryList* list = inventory_lists[i];
		const std::string &name = list->getName();
		std::string width = itos(list->getWidth()),
			inv_id = itos(i), lsize = itos(list->getSize());

		const char* inv_values[] = {
			player->getName(),
			inv_id.c_str(),
			width.c_str(),
			name.c_str(),
			lsize.c_str()
		};
		execPrepared("add_player_inventory", 5, inv_values);

		for (u32 j = 0; j < list->getSize(); j++) {
			std::ostringstream os;
			list->getItem(j).serialize(os);
			std::string itemStr = os.str(), slotId = itos(j);

			const char* invitem_values[] = {
				player->getName(),
				inv_id.c_str(),
				slotId.c_str(),
				itemStr.c_str()
			};
			execPrepared("add_player_inventory_item", 4, invitem_values);
		}
	}

	execPrepared("remove_player_metadata", 1, rmvalues);
	const StringMap &attrs = sao->getMeta().getStrings();
	for (const auto &attr : attrs) {
		const char *meta_values[] = {
			player->getName(),
			attr.first.c_str(),
			attr.second.c_str()
		};
		execPrepared("save_player_metadata", 3, meta_values);
	}
	sao->getMeta().setModified(false);
	endSave();
}