コード例 #1
0
void ClientEnvironment::processActiveObjectMessage(u16 id,
		const std::string &data)
{
	ClientActiveObject* obj = getActiveObject(id);
	if(obj == NULL)
	{
		dstream<<"WARNING: ClientEnvironment::processActiveObjectMessage():"
				<<" got message for id="<<id<<", which doesn't exist."
				<<std::endl;
		return;
	}
	obj->processMessage(data);
}
コード例 #2
0
void ClientEnvironment::removeActiveObject(u16 id)
{
	verbosestream<<"ClientEnvironment::removeActiveObject(): "
		<<"id="<<id<<std::endl;
	ClientActiveObject* obj = getActiveObject(id);
	if (obj == NULL) {
		infostream<<"ClientEnvironment::removeActiveObject(): "
			<<"id="<<id<<" not found"<<std::endl;
		return;
	}
	obj->removeFromScene(true);
	delete obj;
	m_active_objects.erase(id);
}
コード例 #3
0
ファイル: activeobjectmgr.cpp プロジェクト: Caellian/minetest
// clang-format on
void ActiveObjectMgr::getActiveObjects(const v3f &origin, f32 max_d,
		std::vector<DistanceSortedActiveObject> &dest)
{
	for (auto &ao_it : m_active_objects) {
		ClientActiveObject *obj = ao_it.second;

		f32 d = (obj->getPosition() - origin).getLength();

		if (d > max_d)
			continue;

		dest.emplace_back(obj, d);
	}
}
コード例 #4
0
void ClientEnvironment::removeActiveObject(u16 id)
{
	dstream<<"ClientEnvironment::removeActiveObject(): "
			<<"id="<<id<<std::endl;
	ClientActiveObject* obj = getActiveObject(id);
	if(obj == NULL)
	{
		dstream<<"WARNING: ClientEnvironment::removeActiveObject(): "
				<<"id="<<id<<" not found"<<std::endl;
		return;
	}
	obj->removeFromScene();
	delete obj;
	m_active_objects.remove(id);
}
コード例 #5
0
ファイル: activeobjectmgr.cpp プロジェクト: Caellian/minetest
void ActiveObjectMgr::removeObject(u16 id)
{
	verbosestream << "Client::ActiveObjectMgr::removeObject(): "
			<< "id=" << id << std::endl;
	ClientActiveObject *obj = getActiveObject(id);
	if (!obj) {
		infostream << "Client::ActiveObjectMgr::removeObject(): "
				<< "id=" << id << " not found" << std::endl;
		return;
	}

	m_active_objects.erase(id);

	obj->removeFromScene(true);
	delete obj;
}
コード例 #6
0
void ClientEnvironment::getActiveObjects(v3f origin, f32 max_d,
	std::vector<DistanceSortedActiveObject> &dest)
{
	for (UNORDERED_MAP<u16, ClientActiveObject*>::iterator i = m_active_objects.begin();
		i != m_active_objects.end(); ++i) {
		ClientActiveObject* obj = i->second;

		f32 d = (obj->getPosition() - origin).getLength();

		if(d > max_d)
			continue;

		DistanceSortedActiveObject dso(obj, d);

		dest.push_back(dso);
	}
}
コード例 #7
0
void ClientEnvironment::addActiveObject(u16 id, u8 type,
		const std::string &init_data)
{
	ClientActiveObject* obj = ClientActiveObject::create(type);
	if(obj == NULL)
	{
		dstream<<"WARNING: ClientEnvironment::addActiveObject(): "
				<<"id="<<id<<" type="<<type<<": Couldn't create object"
				<<std::endl;
		return;
	}
	
	obj->setId(id);

	addActiveObject(obj);

	obj->initialize(init_data);
}
コード例 #8
0
void ClientEnvironment::getActiveObjects(v3f origin, f32 max_d,
		core::array<DistanceSortedActiveObject> &dest)
{
	for(core::map<u16, ClientActiveObject*>::Iterator
			i = m_active_objects.getIterator();
			i.atEnd()==false; i++)
	{
		ClientActiveObject* obj = i.getNode()->getValue();

		f32 d = (obj->getPosition() - origin).getLength();

		if(d > max_d)
			continue;

		DistanceSortedActiveObject dso(obj, d);

		dest.push_back(dso);
	}
}
コード例 #9
0
void ClientEnvironment::processActiveObjectMessage(u16 id, const std::string &data)
{
	ClientActiveObject *obj = getActiveObject(id);
	if (obj == NULL) {
		infostream << "ClientEnvironment::processActiveObjectMessage():"
			<< " got message for id=" << id << ", which doesn't exist."
			<< std::endl;
		return;
	}

	try {
		obj->processMessage(data);
	} catch (SerializationError &e) {
		errorstream<<"ClientEnvironment::processActiveObjectMessage():"
			<< " id=" << id << " type=" << obj->getType()
			<< " SerializationError in processMessage(): " << e.what()
			<< std::endl;
	}
}
コード例 #10
0
ClientActiveObject * Client::getSelectedActiveObject(
		f32 max_d,
		v3f from_pos_f_on_map,
		core::line3d<f32> shootline_on_map
	)
{
	core::array<DistanceSortedActiveObject> objects;

	m_env.getActiveObjects(from_pos_f_on_map, max_d, objects);

	//infostream<<"Collected "<<objects.size()<<" nearby objects"<<std::endl;

	// Sort them.
	// After this, the closest object is the first in the array.
	objects.sort();

	for(u32 i=0; i<objects.size(); i++)
	{
		ClientActiveObject *obj = objects[i].obj;

		core::aabbox3d<f32> *selection_box = obj->getSelectionBox();
		if(selection_box == NULL)
			continue;

		v3f pos = obj->getPosition();

		core::aabbox3d<f32> offsetted_box(
				selection_box->MinEdge + pos,
				selection_box->MaxEdge + pos
		);

		if(offsetted_box.intersectsWithLine(shootline_on_map))
		{
			//infostream<<"Returning selected object"<<std::endl;
			return obj;
		}
	}

	//infostream<<"No object selected; returning NULL."<<std::endl;
	return NULL;
}
コード例 #11
0
ファイル: client.cpp プロジェクト: BlockMen/minetest
ClientActiveObject * Client::getSelectedActiveObject(
		f32 max_d,
		v3f from_pos_f_on_map,
		core::line3d<f32> shootline_on_map
	)
{
	std::vector<DistanceSortedActiveObject> objects;

	m_env.getActiveObjects(from_pos_f_on_map, max_d, objects);

	// Sort them.
	// After this, the closest object is the first in the array.
	std::sort(objects.begin(), objects.end());

	for(unsigned int i=0; i<objects.size(); i++)
	{
		ClientActiveObject *obj = objects[i].obj;

		core::aabbox3d<f32> *selection_box = obj->getSelectionBox();
		if(selection_box == NULL)
			continue;

		v3f pos = obj->getPosition();

		core::aabbox3d<f32> offsetted_box(
				selection_box->MinEdge + pos,
				selection_box->MaxEdge + pos
		);

		if(offsetted_box.intersectsWithLine(shootline_on_map))
		{
			return obj;
		}
	}

	return NULL;
}
コード例 #12
0
ファイル: client.cpp プロジェクト: BlockMen/minetest
void Client::step(float dtime)
{
	DSTACK(FUNCTION_NAME);

	// Limit a bit
	if(dtime > 2.0)
		dtime = 2.0;

	if(m_ignore_damage_timer > dtime)
		m_ignore_damage_timer -= dtime;
	else
		m_ignore_damage_timer = 0.0;

	m_animation_time += dtime;
	if(m_animation_time > 60.0)
		m_animation_time -= 60.0;

	m_time_of_day_update_timer += dtime;

	ReceiveAll();

	/*
		Packet counter
	*/
	{
		float &counter = m_packetcounter_timer;
		counter -= dtime;
		if(counter <= 0.0)
		{
			counter = 20.0;

			infostream << "Client packetcounter (" << m_packetcounter_timer
					<< "):"<<std::endl;
			m_packetcounter.print(infostream);
			m_packetcounter.clear();
		}
	}

	// UGLY hack to fix 2 second startup delay caused by non existent
	// server client startup synchronization in local server or singleplayer mode
	static bool initial_step = true;
	if (initial_step) {
		initial_step = false;
	}
	else if(m_state == LC_Created) {
		float &counter = m_connection_reinit_timer;
		counter -= dtime;
		if(counter <= 0.0) {
			counter = 2.0;

			Player *myplayer = m_env.getLocalPlayer();
			FATAL_ERROR_IF(myplayer == NULL, "Local player not found in environment.");

			// Send TOSERVER_INIT_LEGACY
			// [0] u16 TOSERVER_INIT_LEGACY
			// [2] u8 SER_FMT_VER_HIGHEST_READ
			// [3] u8[20] player_name
			// [23] u8[28] password (new in some version)
			// [51] u16 minimum supported network protocol version (added sometime)
			// [53] u16 maximum supported network protocol version (added later than the previous one)

			char pName[PLAYERNAME_SIZE];
			char pPassword[PASSWORD_SIZE];
			memset(pName, 0, PLAYERNAME_SIZE * sizeof(char));
			memset(pPassword, 0, PASSWORD_SIZE * sizeof(char));

			std::string hashed_password = translatePassword(myplayer->getName(), m_password);
			snprintf(pName, PLAYERNAME_SIZE, "%s", myplayer->getName());
			snprintf(pPassword, PASSWORD_SIZE, "%s", hashed_password.c_str());

			sendLegacyInit(pName, pPassword);
			if (LATEST_PROTOCOL_VERSION >= 25)
				sendInit(myplayer->getName());
		}

		// Not connected, return
		return;
	}

	/*
		Do stuff if connected
	*/

	/*
		Run Map's timers and unload unused data
	*/
	const float map_timer_and_unload_dtime = 5.25;
	if(m_map_timer_and_unload_interval.step(dtime, map_timer_and_unload_dtime)) {
		ScopeProfiler sp(g_profiler, "Client: map timer and unload");
		std::vector<v3s16> deleted_blocks;
		m_env.getMap().timerUpdate(map_timer_and_unload_dtime,
			g_settings->getFloat("client_unload_unused_data_timeout"),
			g_settings->getS32("client_mapblock_limit"),
			&deleted_blocks);

		/*
			Send info to server
			NOTE: This loop is intentionally iterated the way it is.
		*/

		std::vector<v3s16>::iterator i = deleted_blocks.begin();
		std::vector<v3s16> sendlist;
		for(;;) {
			if(sendlist.size() == 255 || i == deleted_blocks.end()) {
				if(sendlist.empty())
					break;
				/*
					[0] u16 command
					[2] u8 count
					[3] v3s16 pos_0
					[3+6] v3s16 pos_1
					...
				*/

				sendDeletedBlocks(sendlist);

				if(i == deleted_blocks.end())
					break;

				sendlist.clear();
			}

			sendlist.push_back(*i);
			++i;
		}
	}

	/*
		Handle environment
	*/
	// Control local player (0ms)
	LocalPlayer *player = m_env.getLocalPlayer();
	assert(player != NULL);
	player->applyControl(dtime);

	// Step environment
	m_env.step(dtime);

	/*
		Get events
	*/
	for(;;) {
		ClientEnvEvent event = m_env.getClientEvent();
		if(event.type == CEE_NONE) {
			break;
		}
		else if(event.type == CEE_PLAYER_DAMAGE) {
			if(m_ignore_damage_timer <= 0) {
				u8 damage = event.player_damage.amount;

				if(event.player_damage.send_to_server)
					sendDamage(damage);

				// Add to ClientEvent queue
				ClientEvent event;
				event.type = CE_PLAYER_DAMAGE;
				event.player_damage.amount = damage;
				m_client_event_queue.push(event);
			}
		}
		else if(event.type == CEE_PLAYER_BREATH) {
				u16 breath = event.player_breath.amount;
				sendBreath(breath);
		}
	}

	/*
		Print some info
	*/
	float &counter = m_avg_rtt_timer;
	counter += dtime;
	if(counter >= 10) {
		counter = 0.0;
		// connectedAndInitialized() is true, peer exists.
		float avg_rtt = getRTT();
		infostream << "Client: avg_rtt=" << avg_rtt << std::endl;
	}

	/*
		Send player position to server
	*/
	{
		float &counter = m_playerpos_send_timer;
		counter += dtime;
		if((m_state == LC_Ready) && (counter >= m_recommended_send_interval))
		{
			counter = 0.0;
			sendPlayerPos();
		}
	}

	/*
		Replace updated meshes
	*/
	{
		int num_processed_meshes = 0;
		while (!m_mesh_update_thread.m_queue_out.empty())
		{
			num_processed_meshes++;

			MinimapMapblock *minimap_mapblock = NULL;
			bool do_mapper_update = true;

			MeshUpdateResult r = m_mesh_update_thread.m_queue_out.pop_frontNoEx();
			MapBlock *block = m_env.getMap().getBlockNoCreateNoEx(r.p);
			if (block) {
				// Delete the old mesh
				if (block->mesh != NULL) {
					delete block->mesh;
					block->mesh = NULL;
				}

				if (r.mesh) {
					minimap_mapblock = r.mesh->moveMinimapMapblock();
					if (minimap_mapblock == NULL)
						do_mapper_update = false;
				}

				if (r.mesh && r.mesh->getMesh()->getMeshBufferCount() == 0) {
					delete r.mesh;
				} else {
					// Replace with the new mesh
					block->mesh = r.mesh;
				}
			} else {
				delete r.mesh;
			}

			if (do_mapper_update)
				m_mapper->addBlock(r.p, minimap_mapblock);

			if (r.ack_block_to_server) {
				/*
					Acknowledge block
					[0] u8 count
					[1] v3s16 pos_0
				*/
				sendGotBlocks(r.p);
			}
		}

		if (num_processed_meshes > 0)
			g_profiler->graphAdd("num_processed_meshes", num_processed_meshes);
	}

	/*
		Load fetched media
	*/
	if (m_media_downloader && m_media_downloader->isStarted()) {
		m_media_downloader->step(this);
		if (m_media_downloader->isDone()) {
			received_media();
			delete m_media_downloader;
			m_media_downloader = NULL;
		}
	}

	/*
		If the server didn't update the inventory in a while, revert
		the local inventory (so the player notices the lag problem
		and knows something is wrong).
	*/
	if(m_inventory_from_server)
	{
		float interval = 10.0;
		float count_before = floor(m_inventory_from_server_age / interval);

		m_inventory_from_server_age += dtime;

		float count_after = floor(m_inventory_from_server_age / interval);

		if(count_after != count_before)
		{
			// Do this every <interval> seconds after TOCLIENT_INVENTORY
			// Reset the locally changed inventory to the authoritative inventory
			Player *player = m_env.getLocalPlayer();
			player->inventory = *m_inventory_from_server;
			m_inventory_updated = true;
		}
	}

	/*
		Update positions of sounds attached to objects
	*/
	{
		for(std::map<int, u16>::iterator
				i = m_sounds_to_objects.begin();
				i != m_sounds_to_objects.end(); ++i)
		{
			int client_id = i->first;
			u16 object_id = i->second;
			ClientActiveObject *cao = m_env.getActiveObject(object_id);
			if(!cao)
				continue;
			v3f pos = cao->getPosition();
			m_sound->updateSoundPosition(client_id, pos);
		}
	}

	/*
		Handle removed remotely initiated sounds
	*/
	m_removed_sounds_check_timer += dtime;
	if(m_removed_sounds_check_timer >= 2.32) {
		m_removed_sounds_check_timer = 0;
		// Find removed sounds and clear references to them
		std::vector<s32> removed_server_ids;
		for(std::map<s32, int>::iterator
				i = m_sounds_server_to_client.begin();
				i != m_sounds_server_to_client.end();) {
			s32 server_id = i->first;
			int client_id = i->second;
			++i;
			if(!m_sound->soundExists(client_id)) {
				m_sounds_server_to_client.erase(server_id);
				m_sounds_client_to_server.erase(client_id);
				m_sounds_to_objects.erase(client_id);
				removed_server_ids.push_back(server_id);
			}
		}

		// Sync to server
		if(!removed_server_ids.empty()) {
			sendRemovedSounds(removed_server_ids);
		}
	}

	// Write server map
	if (m_localdb && m_localdb_save_interval.step(dtime,
			m_cache_save_interval)) {
		m_localdb->endSave();
		m_localdb->beginSave();
	}
}
コード例 #13
0
ファイル: client.cpp プロジェクト: EXio4/minetest
void Client::step(float dtime)
{
	// Limit a bit
	if(dtime > 2.0)
		dtime = 2.0;

	if(m_ignore_damage_timer > dtime)
		m_ignore_damage_timer -= dtime;
	else
		m_ignore_damage_timer = 0.0;

	m_animation_time += dtime;
	if(m_animation_time > 60.0)
		m_animation_time -= 60.0;

	m_time_of_day_update_timer += dtime;

	ReceiveAll();

	/*
		Packet counter
	*/
	{
		float &counter = m_packetcounter_timer;
		counter -= dtime;
		if(counter <= 0.0)
		{
			counter = 20.0;

			infostream << "Client packetcounter (" << m_packetcounter_timer
					<< "):"<<std::endl;
			m_packetcounter.print(infostream);
			m_packetcounter.clear();
		}
	}

	// UGLY hack to fix 2 second startup delay caused by non existent
	// server client startup synchronization in local server or singleplayer mode
	static bool initial_step = true;
	if (initial_step) {
		initial_step = false;
	}
	else if(m_state == LC_Created) {
		float &counter = m_connection_reinit_timer;
		counter -= dtime;
		if(counter <= 0.0) {
			counter = 2.0;

			LocalPlayer *myplayer = m_env.getLocalPlayer();
			FATAL_ERROR_IF(myplayer == NULL, "Local player not found in environment.");

			sendInit(myplayer->getName());
		}

		// Not connected, return
		return;
	}

	/*
		Do stuff if connected
	*/

	/*
		Run Map's timers and unload unused data
	*/
	const float map_timer_and_unload_dtime = 5.25;
	if(m_map_timer_and_unload_interval.step(dtime, map_timer_and_unload_dtime)) {
		ScopeProfiler sp(g_profiler, "Client: map timer and unload");
		std::vector<v3s16> deleted_blocks;
		m_env.getMap().timerUpdate(map_timer_and_unload_dtime,
			g_settings->getFloat("client_unload_unused_data_timeout"),
			g_settings->getS32("client_mapblock_limit"),
			&deleted_blocks);

		/*
			Send info to server
			NOTE: This loop is intentionally iterated the way it is.
		*/

		std::vector<v3s16>::iterator i = deleted_blocks.begin();
		std::vector<v3s16> sendlist;
		for(;;) {
			if(sendlist.size() == 255 || i == deleted_blocks.end()) {
				if(sendlist.empty())
					break;
				/*
					[0] u16 command
					[2] u8 count
					[3] v3s16 pos_0
					[3+6] v3s16 pos_1
					...
				*/

				sendDeletedBlocks(sendlist);

				if(i == deleted_blocks.end())
					break;

				sendlist.clear();
			}

			sendlist.push_back(*i);
			++i;
		}
	}

	/*
		Send pending messages on out chat queue
	*/
	if (!m_out_chat_queue.empty() && canSendChatMessage()) {
		sendChatMessage(m_out_chat_queue.front());
		m_out_chat_queue.pop();
	}

	/*
		Handle environment
	*/
	// Control local player (0ms)
	LocalPlayer *player = m_env.getLocalPlayer();
	assert(player);
	player->applyControl(dtime, &m_env);

	// Step environment
	m_env.step(dtime);
	m_sound->step(dtime);

	/*
		Get events
	*/
	while (m_env.hasClientEnvEvents()) {
		ClientEnvEvent envEvent = m_env.getClientEnvEvent();

		if (envEvent.type == CEE_PLAYER_DAMAGE) {
			if (m_ignore_damage_timer <= 0) {
				u8 damage = envEvent.player_damage.amount;

				if (envEvent.player_damage.send_to_server)
					sendDamage(damage);

				// Add to ClientEvent queue
				ClientEvent *event = new ClientEvent();
				event->type = CE_PLAYER_DAMAGE;
				event->player_damage.amount = damage;
				m_client_event_queue.push(event);
			}
		}
	}

	/*
		Print some info
	*/
	float &counter = m_avg_rtt_timer;
	counter += dtime;
	if(counter >= 10) {
		counter = 0.0;
		// connectedAndInitialized() is true, peer exists.
		float avg_rtt = getRTT();
		infostream << "Client: avg_rtt=" << avg_rtt << std::endl;
	}

	/*
		Send player position to server
	*/
	{
		float &counter = m_playerpos_send_timer;
		counter += dtime;
		if((m_state == LC_Ready) && (counter >= m_recommended_send_interval))
		{
			counter = 0.0;
			sendPlayerPos();
		}
	}

	/*
		Replace updated meshes
	*/
	{
		int num_processed_meshes = 0;
		while (!m_mesh_update_thread.m_queue_out.empty())
		{
			num_processed_meshes++;

			MinimapMapblock *minimap_mapblock = NULL;
			bool do_mapper_update = true;

			MeshUpdateResult r = m_mesh_update_thread.m_queue_out.pop_frontNoEx();
			MapBlock *block = m_env.getMap().getBlockNoCreateNoEx(r.p);
			if (block) {
				// Delete the old mesh
				delete block->mesh;
				block->mesh = nullptr;

				if (r.mesh) {
					minimap_mapblock = r.mesh->moveMinimapMapblock();
					if (minimap_mapblock == NULL)
						do_mapper_update = false;

					bool is_empty = true;
					for (int l = 0; l < MAX_TILE_LAYERS; l++)
						if (r.mesh->getMesh(l)->getMeshBufferCount() != 0)
							is_empty = false;

					if (is_empty)
						delete r.mesh;
					else
						// Replace with the new mesh
						block->mesh = r.mesh;
				}
			} else {
				delete r.mesh;
			}

			if (m_minimap && do_mapper_update)
				m_minimap->addBlock(r.p, minimap_mapblock);

			if (r.ack_block_to_server) {
				/*
					Acknowledge block
					[0] u8 count
					[1] v3s16 pos_0
				*/
				sendGotBlocks(r.p);
			}
		}

		if (num_processed_meshes > 0)
			g_profiler->graphAdd("num_processed_meshes", num_processed_meshes);
	}

	/*
		Load fetched media
	*/
	if (m_media_downloader && m_media_downloader->isStarted()) {
		m_media_downloader->step(this);
		if (m_media_downloader->isDone()) {
			delete m_media_downloader;
			m_media_downloader = NULL;
		}
	}

	/*
		If the server didn't update the inventory in a while, revert
		the local inventory (so the player notices the lag problem
		and knows something is wrong).
	*/
	if(m_inventory_from_server)
	{
		float interval = 10.0;
		float count_before = floor(m_inventory_from_server_age / interval);

		m_inventory_from_server_age += dtime;

		float count_after = floor(m_inventory_from_server_age / interval);

		if(count_after != count_before)
		{
			// Do this every <interval> seconds after TOCLIENT_INVENTORY
			// Reset the locally changed inventory to the authoritative inventory
			LocalPlayer *player = m_env.getLocalPlayer();
			player->inventory = *m_inventory_from_server;
			m_inventory_updated = true;
		}
	}

	/*
		Update positions of sounds attached to objects
	*/
	{
		for (auto &m_sounds_to_object : m_sounds_to_objects) {
			int client_id = m_sounds_to_object.first;
			u16 object_id = m_sounds_to_object.second;
			ClientActiveObject *cao = m_env.getActiveObject(object_id);
			if (!cao)
				continue;
			m_sound->updateSoundPosition(client_id, cao->getPosition());
		}
	}

	/*
		Handle removed remotely initiated sounds
	*/
	m_removed_sounds_check_timer += dtime;
	if(m_removed_sounds_check_timer >= 2.32) {
		m_removed_sounds_check_timer = 0;
		// Find removed sounds and clear references to them
		std::vector<s32> removed_server_ids;
		for (std::unordered_map<s32, int>::iterator i = m_sounds_server_to_client.begin();
				i != m_sounds_server_to_client.end();) {
			s32 server_id = i->first;
			int client_id = i->second;
			++i;
			if(!m_sound->soundExists(client_id)) {
				m_sounds_server_to_client.erase(server_id);
				m_sounds_client_to_server.erase(client_id);
				m_sounds_to_objects.erase(client_id);
				removed_server_ids.push_back(server_id);
			}
		}

		// Sync to server
		if(!removed_server_ids.empty()) {
			sendRemovedSounds(removed_server_ids);
		}
	}

	m_mod_storage_save_timer -= dtime;
	if (m_mod_storage_save_timer <= 0.0f) {
		verbosestream << "Saving registered mod storages." << std::endl;
		m_mod_storage_save_timer = g_settings->getFloat("server_map_save_interval");
		for (std::unordered_map<std::string, ModMetadata *>::const_iterator
				it = m_mod_storages.begin(); it != m_mod_storages.end(); ++it) {
			if (it->second->isModified()) {
				it->second->save(getModStoragePath());
			}
		}
	}

	// Write server map
	if (m_localdb && m_localdb_save_interval.step(dtime,
			m_cache_save_interval)) {
		m_localdb->endSave();
		m_localdb->beginSave();
	}
}
コード例 #14
0
void ClientEnvironment::step(float dtime)
{
	DSTACK(__FUNCTION_NAME);

	// Get some settings
	bool free_move = g_settings.getBool("free_move");
	bool footprints = g_settings.getBool("footprints");

	// Get local player
	LocalPlayer *lplayer = getLocalPlayer();
	assert(lplayer);
	// collision info queue
	core::list<CollisionInfo> player_collisions;
	
	/*
		Get the speed the player is going
	*/
	bool is_climbing = lplayer->is_climbing;

	f32 player_speed = 0.001; // just some small value
	player_speed = lplayer->getSpeed().getLength();
	
	/*
		Maximum position increment
	*/
	//f32 position_max_increment = 0.05*BS;
	f32 position_max_increment = 0.1*BS;

	// Maximum time increment (for collision detection etc)
	// time = distance / speed
	f32 dtime_max_increment = position_max_increment / player_speed;
	
	// Maximum time increment is 10ms or lower
	if(dtime_max_increment > 0.01)
		dtime_max_increment = 0.01;
	
	// Don't allow overly huge dtime
	if(dtime > 0.5)
		dtime = 0.5;
	
	f32 dtime_downcount = dtime;

	/*
		Stuff that has a maximum time increment
	*/

	u32 loopcount = 0;
	do
	{
		loopcount++;

		f32 dtime_part;
		if(dtime_downcount > dtime_max_increment)
		{
			dtime_part = dtime_max_increment;
			dtime_downcount -= dtime_part;
		}
		else
		{
			dtime_part = dtime_downcount;
			/*
				Setting this to 0 (no -=dtime_part) disables an infinite loop
				when dtime_part is so small that dtime_downcount -= dtime_part
				does nothing
			*/
			dtime_downcount = 0;
		}
		
		/*
			Handle local player
		*/
		
		{
			v3f lplayerpos = lplayer->getPosition();
			
			// Apply physics
			if(free_move == false && is_climbing == false)
			{
				// Gravity
				v3f speed = lplayer->getSpeed();
				if(lplayer->swimming_up == false)
					speed.Y -= 9.81 * BS * dtime_part * 2;

				// Water resistance
				if(lplayer->in_water_stable || lplayer->in_water)
				{
					f32 max_down = 2.0*BS;
					if(speed.Y < -max_down) speed.Y = -max_down;

					f32 max = 2.5*BS;
					if(speed.getLength() > max)
					{
						speed = speed / speed.getLength() * max;
					}
				}

				lplayer->setSpeed(speed);
			}

			/*
				Move the lplayer.
				This also does collision detection.
			*/
			lplayer->move(dtime_part, *m_map, position_max_increment,
					&player_collisions);
		}
	}
	while(dtime_downcount > 0.001);
		
	//std::cout<<"Looped "<<loopcount<<" times."<<std::endl;

	for(core::list<CollisionInfo>::Iterator
			i = player_collisions.begin();
			i != player_collisions.end(); i++)
	{
		CollisionInfo &info = *i;
		if(info.t == COLLISION_FALL)
		{
			//f32 tolerance = BS*10; // 2 without damage
			f32 tolerance = BS*12; // 3 without damage
			f32 factor = 1;
			if(info.speed > tolerance)
			{
				f32 damage_f = (info.speed - tolerance)/BS*factor;
				u16 damage = (u16)(damage_f+0.5);
				if(lplayer->hp > damage)
					lplayer->hp -= damage;
				else
					lplayer->hp = 0;

				ClientEnvEvent event;
				event.type = CEE_PLAYER_DAMAGE;
				event.player_damage.amount = damage;
				m_client_event_queue.push_back(event);
			}
		}
	}
	
	/*
		Stuff that can be done in an arbitarily large dtime
	*/
	for(core::list<Player*>::Iterator i = m_players.begin();
			i != m_players.end(); i++)
	{
		Player *player = *i;
		v3f playerpos = player->getPosition();
		
		/*
			Handle non-local players
		*/
		if(player->isLocal() == false)
		{
			// Move
			player->move(dtime, *m_map, 100*BS);

			// Update lighting on remote players on client
			u8 light = LIGHT_MAX;
			try{
				// Get node at head
				v3s16 p = floatToInt(playerpos + v3f(0,BS+BS/2,0), BS);
				MapNode n = m_map->getNode(p);
				light = n.getLightBlend(getDayNightRatio());
			}
			catch(InvalidPositionException &e) {}
			player->updateLight(light);
		}
		
		/*
			Add footsteps to grass
		*/
		if(footprints)
		{
			// Get node that is at BS/4 under player
			v3s16 bottompos = floatToInt(playerpos + v3f(0,-BS/4,0), BS);
			try{
				MapNode n = m_map->getNode(bottompos);
				if(n.getContent() == CONTENT_GRASS)
				{
					n.setContent(CONTENT_GRASS_FOOTSTEPS);
					m_map->setNode(bottompos, n);
					// Update mesh on client
					if(m_map->mapType() == MAPTYPE_CLIENT)
					{
						v3s16 p_blocks = getNodeBlockPos(bottompos);
						MapBlock *b = m_map->getBlockNoCreate(p_blocks);
						//b->updateMesh(getDayNightRatio());
						b->setMeshExpired(true);
					}
				}
			}
			catch(InvalidPositionException &e)
			{
			}
		}
	}
	
	/*
		Step active objects and update lighting of them
	*/
	
	for(core::map<u16, ClientActiveObject*>::Iterator
			i = m_active_objects.getIterator();
			i.atEnd()==false; i++)
	{
		ClientActiveObject* obj = i.getNode()->getValue();
		// Step object
		obj->step(dtime, this);

		if(m_active_object_light_update_interval.step(dtime, 0.21))
		{
			// Update lighting
			//u8 light = LIGHT_MAX;
			u8 light = 0;
			try{
				// Get node at head
				v3s16 p = obj->getLightPosition();
				MapNode n = m_map->getNode(p);
				light = n.getLightBlend(getDayNightRatio());
			}
			catch(InvalidPositionException &e) {}
			obj->updateLight(light);
		}
	}
}
コード例 #15
0
/*
	sender_peer_id given to this shall be quaranteed to be a valid peer
*/
void Client::ProcessData(NetworkPacket *pkt) {
	DSTACK(__FUNCTION_NAME);

	ScopeProfiler sp(g_profiler, "Client::ProcessData");

	auto datasize = pkt->getSize();
	auto sender_peer_id = pkt->getPeerId();

	int command;
	MsgpackPacket packet;
	msgpack::unpacked msg;

	if (!con::parse_msgpack_packet(pkt->getString(0), datasize, &packet, &command, &msg)) {
		// invalid packet
		return;
	}

	//infostream<<"Client: received command="<<command<<std::endl;
	m_packetcounter.add((u16)command);

	/*
		If this check is removed, be sure to change the queue
		system to know the ids
	*/
	if(sender_peer_id != PEER_ID_SERVER)
	{
		infostream<<"Client::ProcessData(): Discarding data not "
				"coming from server: peer_id="<<sender_peer_id
				<<std::endl;
		return;
	}

	u8 ser_version = m_server_ser_ver;

	//infostream<<"Client received command="<<(int)command<<std::endl;

	if(command == TOCLIENT_INIT)
	{
		u8 deployed;
		packet[TOCLIENT_INIT_DEPLOYED].convert(&deployed);

		infostream<<"Client: TOCLIENT_INIT received with "
				"deployed="<<((int)deployed&0xff)<<std::endl;

		if(!ser_ver_supported(deployed))
		{
			infostream<<"Client: TOCLIENT_INIT: Server sent "
					<<"unsupported ser_fmt_ver"<<std::endl;
			return;
		}

		m_server_ser_ver = deployed;

		// Set player position
		Player *player = m_env.getLocalPlayer();
		if(!player)
			return;

		packet[TOCLIENT_INIT_SEED].convert(&m_map_seed);
		infostream<<"Client: received map seed: "<<m_map_seed<<std::endl;

		packet[TOCLIENT_INIT_STEP].convert(&m_recommended_send_interval);
		infostream<<"Client: received recommended send interval "
				<<m_recommended_send_interval<<std::endl;

		// TOCLIENT_INIT_POS

		if (m_localserver) {
			Settings settings;
			packet[TOCLIENT_INIT_MAP_PARAMS].convert(&settings);
			m_localserver->getEmergeManager()->params.load(settings);
		}

		// Reply to server
		MSGPACK_PACKET_INIT(TOSERVER_INIT2, 0);
		m_con.Send(PEER_ID_SERVER, 1, buffer, true);

		m_state = LC_Init;

		return;
	}

	if(command == TOCLIENT_ACCESS_DENIED_LEGACY)
	{
		// The server didn't like our password. Note, this needs
		// to be processed even if the serialisation format has
		// not been agreed yet, the same as TOCLIENT_INIT.
		m_access_denied = true;
		packet[TOCLIENT_ACCESS_DENIED_CUSTOM_STRING].convert(&m_access_denied_reason);
		return;
	}

	if(ser_version == SER_FMT_VER_INVALID)
	{
		infostream<<"Client: Server serialization"
				" format invalid or not initialized."
				" Skipping incoming command="<<command<<std::endl;
		return;
	}

	/*
	  Handle runtime commands
	*/
	// there's no sane reason why we shouldn't have a player and
	// almost everyone needs a player reference
	Player *player = m_env.getLocalPlayer();
	if(!player)
		return;

	if(command == TOCLIENT_REMOVENODE)
	{
		v3s16 p = packet[TOCLIENT_REMOVENODE_POS].as<v3s16>();
		removeNode(p, 2); //use light from top node
	}
	else if(command == TOCLIENT_ADDNODE)
	{
		v3s16 p = packet[TOCLIENT_ADDNODE_POS].as<v3s16>();
		MapNode n = packet[TOCLIENT_ADDNODE_NODE].as<MapNode>();
		bool remove_metadata = packet[TOCLIENT_ADDNODE_REMOVE_METADATA].as<bool>();

		addNode(p, n, remove_metadata, 2); //fast add
	}
	else if(command == TOCLIENT_BLOCKDATA)
	{
		v3s16 p = packet[TOCLIENT_BLOCKDATA_POS].as<v3s16>();
		s8 step = 1;
		packet[TOCLIENT_BLOCKDATA_STEP].convert(&step);
		if (step == 1) {

		std::istringstream istr(packet[TOCLIENT_BLOCKDATA_DATA].as<std::string>(), std::ios_base::binary);

		MapBlock *block;

		block = m_env.getMap().getBlockNoCreateNoEx(p);
		bool new_block = !block;
		if (new_block)
			block = new MapBlock(&m_env.getMap(), p, this);

		block->deSerialize(istr, ser_version, false);
		s32 h; // for convert to atomic
		packet[TOCLIENT_BLOCKDATA_HEAT].convert(&h);
		block->heat = h;
		packet[TOCLIENT_BLOCKDATA_HUMIDITY].convert(&h);
		block->humidity = h;


		if (packet.count(TOCLIENT_BLOCKDATA_CONTENT_ONLY))
			block->content_only = packet[TOCLIENT_BLOCKDATA_CONTENT_ONLY].as<content_t>();


		if (m_localserver != NULL) {
			m_localserver->getMap().saveBlock(block);
		}

		if (new_block)
			if (!m_env.getMap().insertBlock(block))
				delete block;

		/*
			//Add it to mesh update queue and set it to be acknowledged after update.
		*/
		//infostream<<"Adding mesh update task for received block "<<p<<std::endl;
		updateMeshTimestampWithEdge(p);
		if (block->content_only != CONTENT_IGNORE && block->content_only != CONTENT_AIR) {
			if (getNodeBlockPos(floatToInt(m_env.getLocalPlayer()->getPosition(), BS)).getDistanceFrom(p) <= 1)
				addUpdateMeshTaskWithEdge(p);
		}

/*
#if !defined(NDEBUG)
		if (m_env.getClientMap().m_block_boundary.size() > 150)
			m_env.getClientMap().m_block_boundary.clear();
		m_env.getClientMap().m_block_boundary[p] = block;
#endif
*/

		}//step

	}
	else if(command == TOCLIENT_INVENTORY)
	{
		std::string datastring = packet[TOCLIENT_INVENTORY_DATA].as<std::string>();
		std::istringstream is(datastring, std::ios_base::binary);
		Player *player = m_env.getLocalPlayer();
		if(!player)
			return;

		player->inventory.deSerialize(is);

		m_inventory_updated = true;

		delete m_inventory_from_server;
		m_inventory_from_server = new Inventory(player->inventory);
		m_inventory_from_server_age = 0.0;
	}
	else if(command == TOCLIENT_TIME_OF_DAY)
	{
		u16 time_of_day = packet[TOCLIENT_TIME_OF_DAY_TIME].as<u16>();
		time_of_day = time_of_day % 24000;
		f32 time_speed = packet[TOCLIENT_TIME_OF_DAY_TIME_SPEED].as<f32>();

		// Update environment
		m_env.setTimeOfDay(time_of_day);
		m_env.setTimeOfDaySpeed(time_speed);
		m_time_of_day_set = true;

		u32 dr = m_env.getDayNightRatio();
		verbosestream<<"Client: time_of_day="<<time_of_day
				<<" time_speed="<<time_speed
				<<" dr="<<dr<<std::endl;
	}
	else if(command == TOCLIENT_CHAT_MESSAGE)
	{
		std::string message = packet[TOCLIENT_CHAT_MESSAGE_DATA].as<std::string>();
		m_chat_queue.push(message);
	}
	else if(command == TOCLIENT_ACTIVE_OBJECT_REMOVE_ADD)
	{
		std::vector<u16> removed_objects;
		packet[TOCLIENT_ACTIVE_OBJECT_REMOVE_ADD_REMOVE].convert(&removed_objects);
		for (size_t i = 0; i < removed_objects.size(); ++i)
			m_env.removeActiveObject(removed_objects[i]);

		std::vector<ActiveObjectAddData> added_objects;
		packet[TOCLIENT_ACTIVE_OBJECT_REMOVE_ADD_ADD].convert(&added_objects);
		for (size_t i = 0; i < added_objects.size(); ++i)
			m_env.addActiveObject(added_objects[i].id, added_objects[i].type, added_objects[i].data);
	}
	else if(command == TOCLIENT_ACTIVE_OBJECT_MESSAGES)
	{
		ActiveObjectMessages messages;
		packet[TOCLIENT_ACTIVE_OBJECT_MESSAGES_MESSAGES].convert(&messages);
		for (size_t i = 0; i < messages.size(); ++i)
			m_env.processActiveObjectMessage(messages[i].first, messages[i].second);
	}
	else if(command == TOCLIENT_MOVEMENT)
	{
		Player *player = m_env.getLocalPlayer();
		packet[TOCLIENT_MOVEMENT_ACCELERATION_DEFAULT].convert(&player->movement_acceleration_default);
		packet[TOCLIENT_MOVEMENT_ACCELERATION_AIR].convert(&player->movement_acceleration_air);
		packet[TOCLIENT_MOVEMENT_ACCELERATION_FAST].convert(&player->movement_acceleration_fast);
		packet[TOCLIENT_MOVEMENT_SPEED_WALK].convert(&player->movement_speed_walk);
		packet[TOCLIENT_MOVEMENT_SPEED_CROUCH].convert(&player->movement_speed_crouch);
		packet[TOCLIENT_MOVEMENT_SPEED_FAST].convert(&player->movement_speed_fast);
		packet[TOCLIENT_MOVEMENT_SPEED_CLIMB].convert(&player->movement_speed_climb);
		packet[TOCLIENT_MOVEMENT_SPEED_JUMP].convert(&player->movement_speed_jump);
		packet[TOCLIENT_MOVEMENT_LIQUID_FLUIDITY].convert(&player->movement_liquid_fluidity);
		packet[TOCLIENT_MOVEMENT_LIQUID_FLUIDITY_SMOOTH].convert(&player->movement_liquid_fluidity_smooth);
		packet[TOCLIENT_MOVEMENT_LIQUID_SINK].convert(&player->movement_liquid_sink);
		packet[TOCLIENT_MOVEMENT_GRAVITY].convert(&player->movement_gravity);
	}
	else if(command == TOCLIENT_HP)
	{
		Player *player = m_env.getLocalPlayer();
		if(!player)
			return;

		u8 oldhp = player->hp;
		u8 hp = packet[TOCLIENT_HP_HP].as<u8>();
		player->hp = hp;

		if(hp < oldhp)
		{
			// Add to ClientEvent queue
			ClientEvent event;
			event.type = CE_PLAYER_DAMAGE;
			event.player_damage.amount = oldhp - hp;
			m_client_event_queue.push(event);
		}
	}
	else if(command == TOCLIENT_BREATH)
	{
		Player *player = m_env.getLocalPlayer();
		player->setBreath(packet[TOCLIENT_BREATH_BREATH].as<u16>()) ;
	}
	else if(command == TOCLIENT_MOVE_PLAYER)
	{
		Player *player = m_env.getLocalPlayer();
		if(!player)
			return;

		v3f pos = packet[TOCLIENT_MOVE_PLAYER_POS].as<v3f>();
		f32 pitch = packet[TOCLIENT_MOVE_PLAYER_PITCH].as<f32>();
		f32 yaw = packet[TOCLIENT_MOVE_PLAYER_YAW].as<f32>();
		player->setPosition(pos);

		infostream<<"Client got TOCLIENT_MOVE_PLAYER"
				<<" pos=("<<pos.X<<","<<pos.Y<<","<<pos.Z<<")"
				<<" pitch="<<pitch
				<<" yaw="<<yaw
				<<std::endl;

		/*
			Add to ClientEvent queue.
			This has to be sent to the main program because otherwise
			it would just force the pitch and yaw values to whatever
			the camera points to.
		*/
		ClientEvent event;
		event.type = CE_PLAYER_FORCE_MOVE;
		event.player_force_move.pitch = pitch;
		event.player_force_move.yaw = yaw;
		m_client_event_queue.push(event);

		// Ignore damage for a few seconds, so that the player doesn't
		// get damage from falling on ground
		m_ignore_damage_timer = 3.0;
	}
	else if(command == TOCLIENT_DEATHSCREEN)
	{
		bool set_camera_point_target = packet[TOCLIENT_DEATHSCREEN_SET_CAMERA].as<bool>();
		v3f camera_point_target = packet[TOCLIENT_DEATHSCREEN_CAMERA_POINT].as<v3f>();

		ClientEvent event;
		event.type = CE_DEATHSCREEN;
		event.deathscreen.set_camera_point_target = set_camera_point_target;
		event.deathscreen.camera_point_target_x = camera_point_target.X;
		event.deathscreen.camera_point_target_y = camera_point_target.Y;
		event.deathscreen.camera_point_target_z = camera_point_target.Z;
		m_client_event_queue.push(event);
	}
	else if(command == TOCLIENT_ANNOUNCE_MEDIA)
	{
		if (m_media_downloader == NULL ||
				m_media_downloader->isStarted()) {
			const char *problem = m_media_downloader ?
				"we already saw another announcement" :
				"all media has been received already";
			errorstream<<"Client: Received media announcement but "
				<<problem<<"!"
				<<std::endl;
			return;
		}

		// Mesh update thread must be stopped while
		// updating content definitions
		//assert(!m_mesh_update_thread.IsRunning());

		MediaAnnounceList announce_list;
		packet[TOCLIENT_ANNOUNCE_MEDIA_LIST].convert(&announce_list);
		for (size_t i = 0; i < announce_list.size(); ++i)
			m_media_downloader->addFile(announce_list[i].first, base64_decode(announce_list[i].second));

		std::vector<std::string> remote_media;
		std::string remote_media_string = packet[TOCLIENT_ANNOUNCE_MEDIA_REMOTE_SERVER].as<std::string>();
		Strfnd sf(remote_media_string);
		while(!sf.atend()) {
			std::string baseurl = trim(sf.next(","));
			if(baseurl != "")
				m_media_downloader->addRemoteServer(baseurl);
		}

		m_media_downloader->step(this);
	}
	else if(command == TOCLIENT_MEDIA)
	{
		MediaData media_data;
		packet[TOCLIENT_MEDIA_MEDIA].convert(&media_data);

		// Mesh update thread must be stopped while
		// updating content definitions
		//assert(!m_mesh_update_thread.IsRunning());

		for(size_t i = 0; i < media_data.size(); ++i)
			m_media_downloader->conventionalTransferDone(
					media_data[i].first, media_data[i].second, this);
	}
	else if(command == TOCLIENT_NODEDEF)
	{
		infostream<<"Client: Received node definitions: packet size: "
				<<datasize<<std::endl;

		// Mesh update thread must be stopped while
		// updating content definitions
		//assert(!m_mesh_update_thread.IsRunning());

		packet[TOCLIENT_NODEDEF_DEFINITIONS].convert(m_nodedef);
		m_nodedef_received = true;
	}
	else if(command == TOCLIENT_ITEMDEF)
	{
		infostream<<"Client: Received item definitions: packet size: "
				<<datasize<<std::endl;

		// Mesh update thread must be stopped while
		// updating content definitions
		//assert(!m_mesh_update_thread.IsRunning());

		packet[TOCLIENT_ITEMDEF_DEFINITIONS].convert(m_itemdef);
		m_itemdef_received = true;
	}
	else if(command == TOCLIENT_PLAY_SOUND)
	{
		s32 server_id = packet[TOCLIENT_PLAY_SOUND_ID].as<s32>();
		std::string name = packet[TOCLIENT_PLAY_SOUND_NAME].as<std::string>();
		float gain = packet[TOCLIENT_PLAY_SOUND_GAIN].as<f32>();
		int type = packet[TOCLIENT_PLAY_SOUND_TYPE].as<u8>(); // 0=local, 1=positional, 2=object
		v3f pos = packet[TOCLIENT_PLAY_SOUND_POS].as<v3f>();
		u16 object_id = packet[TOCLIENT_PLAY_SOUND_OBJECT_ID].as<u16>();
		bool loop = packet[TOCLIENT_PLAY_SOUND_LOOP].as<bool>();
		// Start playing
		int client_id = -1;
		switch(type){
		case 0: // local
			client_id = m_sound->playSound(name, loop, gain);
			break;
		case 1: // positional
			client_id = m_sound->playSoundAt(name, loop, gain, pos);
			break;
		case 2: { // object
			ClientActiveObject *cao = m_env.getActiveObject(object_id);
			if(cao)
				pos = cao->getPosition();
			client_id = m_sound->playSoundAt(name, loop, gain, pos);
			// TODO: Set up sound to move with object
			break; }
		default:
			break;
		}
		if(client_id != -1){
			m_sounds_server_to_client[server_id] = client_id;
			m_sounds_client_to_server[client_id] = server_id;
			if(object_id != 0)
				m_sounds_to_objects[client_id] = object_id;
		}
	}
	else if(command == TOCLIENT_STOP_SOUND)
	{
		s32 server_id = packet[TOCLIENT_STOP_SOUND_ID].as<s32>();
		std::map<s32, int>::iterator i =
				m_sounds_server_to_client.find(server_id);
		if(i != m_sounds_server_to_client.end()){
			int client_id = i->second;
			m_sound->stopSound(client_id);
		}
	}
	else if(command == TOCLIENT_PRIVILEGES)
	{
		packet[TOCLIENT_PRIVILEGES_PRIVILEGES].convert(&m_privileges);
	}
	else if(command == TOCLIENT_INVENTORY_FORMSPEC)
	{
		// Store formspec in LocalPlayer
		player->inventory_formspec = packet[TOCLIENT_INVENTORY_FORMSPEC_DATA].as<std::string>();
	}
	else if(command == TOCLIENT_DETACHED_INVENTORY)
	{
		std::string name = packet[TOCLIENT_DETACHED_INVENTORY_NAME].as<std::string>();
		std::string datastring = packet[TOCLIENT_DETACHED_INVENTORY_DATA].as<std::string>();
		std::istringstream is(datastring, std::ios_base::binary);

		infostream<<"Client: Detached inventory update: \""<<name<<"\""<<std::endl;

		Inventory *inv = NULL;
		if(m_detached_inventories.count(name) > 0)
			inv = m_detached_inventories[name];
		else{
			inv = new Inventory(m_itemdef);
			m_detached_inventories[name] = inv;
		}
		inv->deSerialize(is);
	}
	else if(command == TOCLIENT_SHOW_FORMSPEC)
	{
		std::string formspec = packet[TOCLIENT_SHOW_FORMSPEC_DATA].as<std::string>();
		std::string formname = packet[TOCLIENT_SHOW_FORMSPEC_NAME].as<std::string>();

		ClientEvent event;
		event.type = CE_SHOW_FORMSPEC;
		// pointer is required as event is a struct only!
		// adding a std:string to a struct isn't possible
		event.show_formspec.formspec = new std::string(formspec);
		event.show_formspec.formname = new std::string(formname);
		m_client_event_queue.push(event);
	}
	else if(command == TOCLIENT_SPAWN_PARTICLE)
	{
		v3f pos = packet[TOCLIENT_SPAWN_PARTICLE_POS].as<v3f>();
		v3f vel = packet[TOCLIENT_SPAWN_PARTICLE_VELOCITY].as<v3f>();
		v3f acc = packet[TOCLIENT_SPAWN_PARTICLE_ACCELERATION].as<v3f>();
		float expirationtime = packet[TOCLIENT_SPAWN_PARTICLE_EXPIRATIONTIME].as<float>();
		float size = packet[TOCLIENT_SPAWN_PARTICLE_SIZE].as<float>();
		bool collisiondetection = packet[TOCLIENT_SPAWN_PARTICLE_COLLISIONDETECTION].as<bool>();
		std::string texture = packet[TOCLIENT_SPAWN_PARTICLE_TEXTURE].as<std::string>();
		bool vertical = packet[TOCLIENT_SPAWN_PARTICLE_VERTICAL].as<bool>();

		ClientEvent event;
		event.type = CE_SPAWN_PARTICLE;
		event.spawn_particle.pos = new v3f (pos);
		event.spawn_particle.vel = new v3f (vel);
		event.spawn_particle.acc = new v3f (acc);

		event.spawn_particle.expirationtime = expirationtime;
		event.spawn_particle.size = size;
		event.spawn_particle.collisiondetection =
				collisiondetection;
		event.spawn_particle.vertical = vertical;
		event.spawn_particle.texture = new std::string(texture);

		m_client_event_queue.push(event);
	}
	else if(command == TOCLIENT_ADD_PARTICLESPAWNER)
	{
		u16 amount;
		float spawntime, minexptime, maxexptime, minsize, maxsize;
		v3f minpos, maxpos, minvel, maxvel, minacc, maxacc;
		bool collisiondetection, vertical;
		u32 id;
		std::string texture;

		packet[TOCLIENT_ADD_PARTICLESPAWNER_AMOUNT].convert(&amount);
		packet[TOCLIENT_ADD_PARTICLESPAWNER_SPAWNTIME].convert(&spawntime);
		packet[TOCLIENT_ADD_PARTICLESPAWNER_MINPOS].convert(&minpos);
		packet[TOCLIENT_ADD_PARTICLESPAWNER_MAXPOS].convert(&maxpos);
		packet[TOCLIENT_ADD_PARTICLESPAWNER_MINVEL].convert(&minvel);
		packet[TOCLIENT_ADD_PARTICLESPAWNER_MAXVEL].convert(&maxvel);
		packet[TOCLIENT_ADD_PARTICLESPAWNER_MINACC].convert(&minacc);
		packet[TOCLIENT_ADD_PARTICLESPAWNER_MAXACC].convert(&maxacc);
		packet[TOCLIENT_ADD_PARTICLESPAWNER_MINEXPTIME].convert(&minexptime);
		packet[TOCLIENT_ADD_PARTICLESPAWNER_MAXEXPTIME].convert(&maxexptime);
		packet[TOCLIENT_ADD_PARTICLESPAWNER_MINSIZE].convert(&minsize);
		packet[TOCLIENT_ADD_PARTICLESPAWNER_MAXSIZE].convert(&maxsize);
		packet[TOCLIENT_ADD_PARTICLESPAWNER_COLLISIONDETECTION].convert(&collisiondetection);
		packet[TOCLIENT_ADD_PARTICLESPAWNER_TEXTURE].convert(&texture);
		packet[TOCLIENT_ADD_PARTICLESPAWNER_VERTICAL].convert(&vertical);
		packet[TOCLIENT_ADD_PARTICLESPAWNER_ID].convert(&id);

		ClientEvent event;
		event.type = CE_ADD_PARTICLESPAWNER;
		event.add_particlespawner.amount = amount;
		event.add_particlespawner.spawntime = spawntime;

		event.add_particlespawner.minpos = new v3f (minpos);
		event.add_particlespawner.maxpos = new v3f (maxpos);
		event.add_particlespawner.minvel = new v3f (minvel);
		event.add_particlespawner.maxvel = new v3f (maxvel);
		event.add_particlespawner.minacc = new v3f (minacc);
		event.add_particlespawner.maxacc = new v3f (maxacc);

		event.add_particlespawner.minexptime = minexptime;
		event.add_particlespawner.maxexptime = maxexptime;
		event.add_particlespawner.minsize = minsize;
		event.add_particlespawner.maxsize = maxsize;
		event.add_particlespawner.collisiondetection = collisiondetection;
		event.add_particlespawner.vertical = vertical;
		event.add_particlespawner.texture = new std::string(texture);
		event.add_particlespawner.id = id;

		m_client_event_queue.push(event);
	}
	else if(command == TOCLIENT_DELETE_PARTICLESPAWNER)
	{
		u32 id = packet[TOCLIENT_DELETE_PARTICLESPAWNER_ID].as<u32>();

		ClientEvent event;
		event.type = CE_DELETE_PARTICLESPAWNER;
		event.delete_particlespawner.id = id;

		m_client_event_queue.push(event);
	}
	else if(command == TOCLIENT_HUDADD)
	{
		//std::string datastring((char *)&data[2], datasize - 2);
		//std::istringstream is(datastring, std::ios_base::binary);

		u32 id, number, item, dir;
		u8 type;
		v2f pos, scale, align, offset;
		std::string name, text;
		v3f world_pos;
		v2s32 size;

		packet[TOCLIENT_HUDADD_ID].convert(&id);
		packet[TOCLIENT_HUDADD_TYPE].convert(&type);
		packet[TOCLIENT_HUDADD_POS].convert(&pos);
		packet[TOCLIENT_HUDADD_NAME].convert(&name);
		packet[TOCLIENT_HUDADD_SCALE].convert(&scale);
		packet[TOCLIENT_HUDADD_TEXT].convert(&text);
		packet[TOCLIENT_HUDADD_NUMBER].convert(&number);
		packet[TOCLIENT_HUDADD_ITEM].convert(&item);
		packet[TOCLIENT_HUDADD_DIR].convert(&dir);
		packet[TOCLIENT_HUDADD_ALIGN].convert(&align);
		packet[TOCLIENT_HUDADD_OFFSET].convert(&offset);
		packet[TOCLIENT_HUDADD_WORLD_POS].convert(&world_pos);
		packet[TOCLIENT_HUDADD_SIZE].convert(&size);

		ClientEvent event;
		event.type = CE_HUDADD;
		event.hudadd.id     = id;
		event.hudadd.type   = type;
		event.hudadd.pos    = new v2f(pos);
		event.hudadd.name   = new std::string(name);
		event.hudadd.scale  = new v2f(scale);
		event.hudadd.text   = new std::string(text);
		event.hudadd.number = number;
		event.hudadd.item   = item;
		event.hudadd.dir    = dir;
		event.hudadd.align  = new v2f(align);
		event.hudadd.offset = new v2f(offset);
		event.hudadd.world_pos = new v3f(world_pos);
		event.hudadd.size      = new v2s32(size);
		m_client_event_queue.push(event);
	}
	else if(command == TOCLIENT_HUDRM)
	{
		u32 id = packet[TOCLIENT_HUDRM_ID].as<u32>();

		ClientEvent event;
		event.type = CE_HUDRM;
		event.hudrm.id = id;
		m_client_event_queue.push(event);
	}
	else if(command == TOCLIENT_HUDCHANGE)
	{
		std::string sdata;
		v2f v2fdata;
		v3f v3fdata;
		v2s32 v2s32data;
		u32 intdata = 0;

		u32 id = packet[TOCLIENT_HUDCHANGE_ID].as<u32>();
		u8 stat = packet[TOCLIENT_HUDCHANGE_STAT].as<int>();

		if (stat == HUD_STAT_POS || stat == HUD_STAT_SCALE ||
				stat == HUD_STAT_ALIGN || stat == HUD_STAT_OFFSET)
			packet[TOCLIENT_HUDCHANGE_V2F].convert(&v2fdata);
		else if (stat == HUD_STAT_NAME || stat == HUD_STAT_TEXT)
			packet[TOCLIENT_HUDCHANGE_STRING].convert(&sdata);
		else if (stat == HUD_STAT_WORLD_POS)
			packet[TOCLIENT_HUDCHANGE_V3F].convert(&v3fdata);
		else if (stat == HUD_STAT_SIZE)
			packet[TOCLIENT_HUDCHANGE_V2S32].convert(&v2s32data);
		else
			packet[TOCLIENT_HUDCHANGE_U32].convert(&intdata);

		ClientEvent event;
		event.type = CE_HUDCHANGE;
		event.hudchange.id      = id;
		event.hudchange.stat    = (HudElementStat)stat;
		event.hudchange.v2fdata = new v2f(v2fdata);
		event.hudchange.v3fdata = new v3f(v3fdata);
		event.hudchange.sdata   = new std::string(sdata);
		event.hudchange.data    = intdata;
		event.hudchange.v2s32data = new v2s32(v2s32data);
		m_client_event_queue.push(event);
	}
	else if(command == TOCLIENT_HUD_SET_FLAGS)
	{
		Player *player = m_env.getLocalPlayer();
		if(!player)
			return;

		u32 flags = packet[TOCLIENT_HUD_SET_FLAGS_FLAGS].as<u32>();
		u32 mask = packet[TOCLIENT_HUD_SET_FLAGS_MASK].as<u32>();

		player->hud_flags &= ~mask;
		player->hud_flags |= flags;
	}
	else if(command == TOCLIENT_HUD_SET_PARAM)
	{
		u16 param = packet[TOCLIENT_HUD_SET_PARAM_ID].as<u16>();
		std::string value = packet[TOCLIENT_HUD_SET_PARAM_VALUE].as<std::string>();

		if(param == HUD_PARAM_HOTBAR_ITEMCOUNT && value.size() == 4){
			s32 hotbar_itemcount = readS32((u8*) value.c_str());
			if(hotbar_itemcount > 0 && hotbar_itemcount <= HUD_HOTBAR_ITEMCOUNT_MAX)
				player->hud_hotbar_itemcount = hotbar_itemcount;
		} else if (param == HUD_PARAM_HOTBAR_IMAGE) {
			((LocalPlayer *) player)->hotbar_image = value;
		} else if (param == HUD_PARAM_HOTBAR_SELECTED_IMAGE) {
			((LocalPlayer *) player)->hotbar_selected_image = value;
		}
	}
/*
	else if(command == TOCLIENT_ANIMATIONS)
	{
		LocalPlayer *player = m_env.getLocalPlayer();
		packet[TOCLIENT_ANIMATIONS_DEFAULT_START].convert(&player->animation_default_start);
		packet[TOCLIENT_ANIMATIONS_DEFAULT_STOP].convert(&player->animation_default_stop);
		packet[TOCLIENT_ANIMATIONS_WALK_START].convert(&player->animation_walk_start);
		packet[TOCLIENT_ANIMATIONS_WALK_STOP].convert(&player->animation_walk_stop);
		packet[TOCLIENT_ANIMATIONS_DIG_START].convert(&player->animation_dig_start);
		packet[TOCLIENT_ANIMATIONS_DIG_STOP].convert(&player->animation_dig_stop);
		packet[TOCLIENT_ANIMATIONS_WD_START].convert(&player->animation_wd_start);
		packet[TOCLIENT_ANIMATIONS_WD_STOP].convert(&player->animation_wd_stop);
	}
*/
	else if(command == TOCLIENT_SET_SKY)
	{
		video::SColor *bgcolor = new video::SColor(packet[TOCLIENT_SET_SKY_COLOR].as<video::SColor>());
		std::string *type = new std::string(packet[TOCLIENT_SET_SKY_TYPE].as<std::string>());
		std::vector<std::string> *params = new std::vector<std::string>;
		packet[TOCLIENT_SET_SKY_PARAMS].convert(params);

		ClientEvent event;
		event.type            = CE_SET_SKY;
		event.set_sky.bgcolor = bgcolor;
		event.set_sky.type    = type;
		event.set_sky.params  = params;
		m_client_event_queue.push(event);
	}
	else if(command == TOCLIENT_OVERRIDE_DAY_NIGHT_RATIO)
	{
		bool do_override;
		float day_night_ratio_f;
		packet[TOCLIENT_OVERRIDE_DAY_NIGHT_RATIO_DO].convert(&do_override);
		packet[TOCLIENT_OVERRIDE_DAY_NIGHT_RATIO_VALUE].convert(&day_night_ratio_f);

		ClientEvent event;
		event.type                                 = CE_OVERRIDE_DAY_NIGHT_RATIO;
		event.override_day_night_ratio.do_override = do_override;
		event.override_day_night_ratio.ratio_f     = day_night_ratio_f;
		m_client_event_queue.push(event);
	}
	else if(command == TOCLIENT_LOCAL_PLAYER_ANIMATIONS)
	{
		LocalPlayer *player = m_env.getLocalPlayer();
		if(!player)
			return;

		packet[TOCLIENT_LOCAL_PLAYER_ANIMATIONS_IDLE].convert(&player->local_animations[0]);
		packet[TOCLIENT_LOCAL_PLAYER_ANIMATIONS_WALK].convert(&player->local_animations[1]);
		packet[TOCLIENT_LOCAL_PLAYER_ANIMATIONS_DIG].convert(&player->local_animations[2]);
		packet[TOCLIENT_LOCAL_PLAYER_ANIMATIONS_WALKDIG].convert(&player->local_animations[3]);
		packet[TOCLIENT_LOCAL_PLAYER_ANIMATIONS_FRAME_SPEED].convert(&player->local_animation_speed);
	}
	else if(command == TOCLIENT_EYE_OFFSET)
	{
		LocalPlayer *player = m_env.getLocalPlayer();
		if(!player)
			return;

		packet[TOCLIENT_EYE_OFFSET_FIRST].convert(&player->eye_offset_first);
		packet[TOCLIENT_EYE_OFFSET_THIRD].convert(&player->eye_offset_third);
	}
	else
	{
		infostream<<"Client: Ignoring unknown command "
				<<command<<std::endl;
	}
}
コード例 #16
0
void ClientEnvironment::step(float dtime)
{
	DSTACK(FUNCTION_NAME);

	/* Step time of day */
	stepTimeOfDay(dtime);

	// Get some settings
	bool fly_allowed = m_client->checkLocalPrivilege("fly");
	bool free_move = fly_allowed && g_settings->getBool("free_move");

	// Get local player
	LocalPlayer *lplayer = getLocalPlayer();
	assert(lplayer);
	// collision info queue
	std::vector<CollisionInfo> player_collisions;

	/*
		Get the speed the player is going
	*/
	bool is_climbing = lplayer->is_climbing;

	f32 player_speed = lplayer->getSpeed().getLength();

	/*
		Maximum position increment
	*/
	//f32 position_max_increment = 0.05*BS;
	f32 position_max_increment = 0.1*BS;

	// Maximum time increment (for collision detection etc)
	// time = distance / speed
	f32 dtime_max_increment = 1;
	if(player_speed > 0.001)
		dtime_max_increment = position_max_increment / player_speed;

	// Maximum time increment is 10ms or lower
	if(dtime_max_increment > 0.01)
		dtime_max_increment = 0.01;

	// Don't allow overly huge dtime
	if(dtime > 0.5)
		dtime = 0.5;

	f32 dtime_downcount = dtime;

	/*
		Stuff that has a maximum time increment
	*/

	u32 loopcount = 0;
	do
	{
		loopcount++;

		f32 dtime_part;
		if(dtime_downcount > dtime_max_increment)
		{
			dtime_part = dtime_max_increment;
			dtime_downcount -= dtime_part;
		}
		else
		{
			dtime_part = dtime_downcount;
			/*
				Setting this to 0 (no -=dtime_part) disables an infinite loop
				when dtime_part is so small that dtime_downcount -= dtime_part
				does nothing
			*/
			dtime_downcount = 0;
		}

		/*
			Handle local player
		*/

		{
			// Apply physics
			if(!free_move && !is_climbing)
			{
				// Gravity
				v3f speed = lplayer->getSpeed();
				if(!lplayer->in_liquid)
					speed.Y -= lplayer->movement_gravity * lplayer->physics_override_gravity * dtime_part * 2;

				// Liquid floating / sinking
				if(lplayer->in_liquid && !lplayer->swimming_vertical)
					speed.Y -= lplayer->movement_liquid_sink * dtime_part * 2;

				// Liquid resistance
				if(lplayer->in_liquid_stable || lplayer->in_liquid)
				{
					// How much the node's viscosity blocks movement, ranges between 0 and 1
					// Should match the scale at which viscosity increase affects other liquid attributes
					const f32 viscosity_factor = 0.3;

					v3f d_wanted = -speed / lplayer->movement_liquid_fluidity;
					f32 dl = d_wanted.getLength();
					if(dl > lplayer->movement_liquid_fluidity_smooth)
						dl = lplayer->movement_liquid_fluidity_smooth;
					dl *= (lplayer->liquid_viscosity * viscosity_factor) + (1 - viscosity_factor);

					v3f d = d_wanted.normalize() * dl;
					speed += d;
				}

				lplayer->setSpeed(speed);
			}

			/*
				Move the lplayer.
				This also does collision detection.
			*/
			lplayer->move(dtime_part, this, position_max_increment,
				&player_collisions);
		}
	}
	while(dtime_downcount > 0.001);

	//std::cout<<"Looped "<<loopcount<<" times."<<std::endl;

	for(std::vector<CollisionInfo>::iterator i = player_collisions.begin();
		i != player_collisions.end(); ++i) {
		CollisionInfo &info = *i;
		v3f speed_diff = info.new_speed - info.old_speed;;
		// Handle only fall damage
		// (because otherwise walking against something in fast_move kills you)
		if(speed_diff.Y < 0 || info.old_speed.Y >= 0)
			continue;
		// Get rid of other components
		speed_diff.X = 0;
		speed_diff.Z = 0;
		f32 pre_factor = 1; // 1 hp per node/s
		f32 tolerance = BS*14; // 5 without damage
		f32 post_factor = 1; // 1 hp per node/s
		if(info.type == COLLISION_NODE)
		{
			const ContentFeatures &f = m_client->ndef()->
				get(m_map->getNodeNoEx(info.node_p));
			// Determine fall damage multiplier
			int addp = itemgroup_get(f.groups, "fall_damage_add_percent");
			pre_factor = 1.0 + (float)addp/100.0;
		}
		float speed = pre_factor * speed_diff.getLength();
		if(speed > tolerance)
		{
			f32 damage_f = (speed - tolerance)/BS * post_factor;
			u16 damage = (u16)(damage_f+0.5);
			if(damage != 0){
				damageLocalPlayer(damage, true);
				MtEvent *e = new SimpleTriggerEvent("PlayerFallingDamage");
				m_client->event()->put(e);
			}
		}
	}

	/*
		A quick draft of lava damage
	*/
	if(m_lava_hurt_interval.step(dtime, 1.0))
	{
		v3f pf = lplayer->getPosition();

		// Feet, middle and head
		v3s16 p1 = floatToInt(pf + v3f(0, BS*0.1, 0), BS);
		MapNode n1 = m_map->getNodeNoEx(p1);
		v3s16 p2 = floatToInt(pf + v3f(0, BS*0.8, 0), BS);
		MapNode n2 = m_map->getNodeNoEx(p2);
		v3s16 p3 = floatToInt(pf + v3f(0, BS*1.6, 0), BS);
		MapNode n3 = m_map->getNodeNoEx(p3);

		u32 damage_per_second = 0;
		damage_per_second = MYMAX(damage_per_second,
			m_client->ndef()->get(n1).damage_per_second);
		damage_per_second = MYMAX(damage_per_second,
			m_client->ndef()->get(n2).damage_per_second);
		damage_per_second = MYMAX(damage_per_second,
			m_client->ndef()->get(n3).damage_per_second);

		if(damage_per_second != 0)
		{
			damageLocalPlayer(damage_per_second, true);
		}
	}

	// Protocol v29 make this behaviour obsolete
	if (getGameDef()->getProtoVersion() < 29) {
		/*
			Drowning
		*/
		if (m_drowning_interval.step(dtime, 2.0)) {
			v3f pf = lplayer->getPosition();

			// head
			v3s16 p = floatToInt(pf + v3f(0, BS * 1.6, 0), BS);
			MapNode n = m_map->getNodeNoEx(p);
			ContentFeatures c = m_client->ndef()->get(n);
			u8 drowning_damage = c.drowning;
			if (drowning_damage > 0 && lplayer->hp > 0) {
				u16 breath = lplayer->getBreath();
				if (breath > 10) {
					breath = 11;
				}
				if (breath > 0) {
					breath -= 1;
				}
				lplayer->setBreath(breath);
				updateLocalPlayerBreath(breath);
			}

			if (lplayer->getBreath() == 0 && drowning_damage > 0) {
				damageLocalPlayer(drowning_damage, true);
			}
		}
		if (m_breathing_interval.step(dtime, 0.5)) {
			v3f pf = lplayer->getPosition();

			// head
			v3s16 p = floatToInt(pf + v3f(0, BS * 1.6, 0), BS);
			MapNode n = m_map->getNodeNoEx(p);
			ContentFeatures c = m_client->ndef()->get(n);
			if (!lplayer->hp) {
				lplayer->setBreath(11);
			} else if (c.drowning == 0) {
				u16 breath = lplayer->getBreath();
				if (breath <= 10) {
					breath += 1;
					lplayer->setBreath(breath);
					updateLocalPlayerBreath(breath);
				}
			}
		}
	}

	// Update lighting on local player (used for wield item)
	u32 day_night_ratio = getDayNightRatio();
	{
		// Get node at head

		// On InvalidPositionException, use this as default
		// (day: LIGHT_SUN, night: 0)
		MapNode node_at_lplayer(CONTENT_AIR, 0x0f, 0);

		v3s16 p = lplayer->getLightPosition();
		node_at_lplayer = m_map->getNodeNoEx(p);

		u16 light = getInteriorLight(node_at_lplayer, 0, m_client->ndef());
		final_color_blend(&lplayer->light_color, light, day_night_ratio);
	}

	/*
		Step active objects and update lighting of them
	*/

	g_profiler->avg("CEnv: num of objects", m_active_objects.size());
	bool update_lighting = m_active_object_light_update_interval.step(dtime, 0.21);
	for (UNORDERED_MAP<u16, ClientActiveObject*>::iterator i = m_active_objects.begin();
		i != m_active_objects.end(); ++i) {
		ClientActiveObject* obj = i->second;
		// Step object
		obj->step(dtime, this);

		if(update_lighting)
		{
			// Update lighting
			u8 light = 0;
			bool pos_ok;

			// Get node at head
			v3s16 p = obj->getLightPosition();
			MapNode n = m_map->getNodeNoEx(p, &pos_ok);
			if (pos_ok)
				light = n.getLightBlend(day_night_ratio, m_client->ndef());
			else
				light = blend_light(day_night_ratio, LIGHT_SUN, 0);

			obj->updateLight(light);
		}
	}

	/*
		Step and handle simple objects
	*/
	g_profiler->avg("CEnv: num of simple objects", m_simple_objects.size());
	for(std::vector<ClientSimpleObject*>::iterator
		i = m_simple_objects.begin(); i != m_simple_objects.end();) {
		std::vector<ClientSimpleObject*>::iterator cur = i;
		ClientSimpleObject *simple = *cur;

		simple->step(dtime);
		if(simple->m_to_be_removed) {
			delete simple;
			i = m_simple_objects.erase(cur);
		}
		else {
			++i;
		}
	}
}