advtrains_train_subway/textures/advtrains_subway_wagon.png

/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/

#include <iostream>
#include <algorithm>
#include <sstream>
#include <cmath>
#include <IFileSystem.h>
#include "client.h"
#include "network/clientopcodes.h"
#include "network/connection.h"
#include "network/networkpacket.h"
#include "threading/mutex_auto_lock.h"
#include "client/clientevent.h"
#include "client/gameui.h"
#include "client/renderingengine.h"
#include "client/sound.h"
#include "client/tile.h"
#include "util/auth.h"
#include "util/directiontables.h"
#include "util/pointedthing.h"
#include "util/serialize.h"
#include "util/string.h"
#include "util/srp.h"
#include "filesys.h"
#include "mapblock_mesh.h"
#include "mapblock.h"
#include "minimap.h"
#include "modchannels.h"
#include "content/mods.h"
#include "profiler.h"
#include "shader.h"
#include "gettext.h"
#include "clientmap.h"
#include "clientmedia.h"
#include "version.h"
#include "database/database-sqlite3.h"
#include "serialization.h"
#include "guiscalingfilter.h"
#include "script/scripting_client.h"
#include "game.h"
#include "chatmessage.h"
#include "translation.h"

extern gui::IGUIEnvironment* guienv;

/*
	Utility classes
*/

u32 PacketCounter::sum() const
{
	u32 n = 0;
	for (const auto &it : m_packets)
		n += it.second;
	return n;
}

void PacketCounter::print(std::ostream &o) const
{
	for (const auto &it : m_packets) {
		auto name = it.first >= TOCLIENT_NUM_MSG_TYPES ? "?"
			: toClientCommandTable[it.first].name;
		o << "cmd " << it.first << " (" << name << ") count "
			<< it.second << std::endl;
	}
}

/*
	Client
*/

Client::Client(
		const char *playername,
		const std::string &password,
		const std::string &address_name,
		MapDrawControl &control,
		IWritableTextureSource *tsrc,
		IWritableShaderSource *shsrc,
		IWritableItemDefManager *itemdef,
		NodeDefManager *nodedef,
		ISoundManager *sound,
		MtEventManager *event,
		bool ipv6,
		GameUI *game_ui
):
	m_tsrc(tsrc),
	m_shsrc(shsrc),
	m_itemdef(itemdef),
	m_nodedef(nodedef),
	m_sound(sound),
	m_event(event),
	m_mesh_update_thread(this),
	m_env(
		new ClientMap(this, control, 666),
		tsrc, this
	),
	m_particle_manager(&m_env),
	m_con(new con::Connection(PROTOCOL_ID, 512, CONNECTION_TIMEOUT, ipv6, this)),
	m_address_name(address_name),
	m_server_ser_ver(SER_FMT_VER_INVALID),
	m_last_chat_message_sent(time(NULL)),
	m_password(password),
	m_chosen_auth_mech(AUTH_MECHANISM_NONE),
	m_media_downloader(new ClientMediaDownloader()),
	m_state(LC_Created),
	m_game_ui(game_ui),
	m_modchannel_mgr(new ModChannelMgr())
{
	// Add local player
	m_env.setLocalPlayer(new LocalPlayer(this, playername));

	if (g_settings->getBool("enable_minimap")) {
		m_minimap = new Minimap(this);
	}

	m_cache_save_interval = g_settings->getU16("server_map_save_interval");
}

void Client::loadMods()
{
	// Don't load mods twice.
	// If client scripting is disabled by the client, don't load builtin or
	// client-provided mods.
	if (m_mods_loaded || !g_settings->getBool("enable_client_modding"))
		return;

	// If client scripting is disabled by the server, don't load builtin or
	// client-provided mods.
	// TODO Delete this code block when server-sent CSM and verifying of builtin are
	// complete.
	if (checkCSMRestrictionFlag(CSMRestrictionFlags::CSM_RF_LOAD_CLIENT_MODS)) {
		warningstream << "Client-provided mod loading is disabled by server." <<
			std::endl;
		return;
	}

	m_script = new ClientScripting(this);
	m_env.setScript(m_script);
	m_script->setEnv(&m_env);

	// Load builtin
	scanModIntoMemory(BUILTIN_MOD_NAME, getBuiltinLuaPath());
	m_script->loadModFromMemory(BUILTIN_MOD_NAME);

	// TODO Uncomment when server-sent CSM and verifying of builtin are complete
	/*
	// Don't load client-provided mods if disabled by server
	if (checkCSMRestrictionFlag(CSMRestrictionFlags::CSM_RF_LOAD_CLIENT_MODS)) {
		warningstream << "Client-provided mod loading is disabled by server." <<
			std::endl;
		// If builtin integrity is wrong, disconnect user
		if (!checkBuiltinIntegrity()) {
			// TODO disconnect user
		}
		return;
	}
	*/

	ClientModConfiguration modconf(getClientModsLuaPath());
	m_mods = modconf.getMods();
	// complain about mods with unsatisfied dependencies
	if (!modconf.isConsistent()) {
		modconf.printUnsatisfiedModsError();
		return;
	}

	// Print mods
	infostream << "Client loading mods: ";
	for (const ModSpec &mod : m_mods)
		infostream << mod.name << " ";
	infostream << std::endl;

	// Load "mod" scripts
	for (const ModSpec &mod : m_mods) {
		if (!string_allowed(mod.name, MODNAME_ALLOWED_CHARS)) {
			throw ModError("Error loading mod \"" + mod.name +
				"\": Mod name does not follow naming conventions: "
					"Only characters [a-z0-9_] are allowed.");
		}
		scanModIntoMemory(mod.name, mod.path);
	}

	// Run them
	for (const ModSpec &mod : m_mods)
		m_script->loadModFromMemory(mod.name);

	// Mods are done loading. Unlock callbacks
	m_mods_loaded = true;

	// Run a callback when mods are loaded
	m_script->on_mods_loaded();

	// Create objects if they're ready
	if (m_state == LC_Ready)
		m_script->on_client_ready(m_env.getLocalPlayer());
	if (m_camera)
		m_script->on_camera_ready(m_camera);
	if (m_minimap)
		m_script->on_minimap_ready(m_minimap);
}

bool Client::checkBuiltinIntegrity()
{
	// TODO
	return true;
}

void Client::scanModSubfolder(const std::string &mod_name, const std::string &mod_path,
			std::string mod_subpath)
{
	std::string full_path = mod_path + DIR_DELIM + mod_subpath;
	std::vector<fs::DirListNode> mod = fs::GetDirListing(full_path);
	for (const fs::DirListNode &j : mod) {
		if (j.dir) {
			scanModSubfolder(mod_name, mod_path, mod_subpath + j.name + DIR_DELIM);
			continue;
		}
		std::replace(mod_subpath.begin(), mod_subpath.end(), DIR_DELIM_CHAR, '/');

		std::string real_path = full_path + j.name;
		std::string vfs_path = mod_name + ":" + mod_subpath + j.name;
		infostream << "Client::scanModSubfolder(): Loading \"" << real_path
				<< "\" as \"" << vfs_path << "\"." << std::endl;

		std::string contents;
		if (!fs::ReadFile(real_path, contents)) {
			errorstream << "Client::scanModSubfolder(): Can't read file \""
					<< real_path << "\"." << std::endl;
			continue;
		}

		m_mod_vfs.emplace(vfs_path, contents);
	}
}

const std::string &Client::getBuiltinLuaPath()
{
	static const std::string builtin_dir = porting::path_share + DIR_DELIM + "builtin";
	return builtin_dir;
}

const std::string &Client::getClientModsLuaPath()
{
	static const std::string clientmods_dir = porting::path_share + DIR_DELIM + "clientmods";
	return clientmods_dir;
}

const std::vector<ModSpec>& Client::getMods() const
{
	static std::vector<ModSpec> client_modspec_temp;
	return client_modspec_temp;
}

const ModSpec* Client::getModSpec(const std::string &modname) const
{
	return NULL;
}

void Client::Stop()
{
	m_shutdown = true;
	if (m_mods_loaded)
		m_script->on_shutdown();
	//request all client managed threads to stop
	m_mesh_update_thread.stop();
	// Save local server map
	if (m_localdb) {
		infostream << "Local map saving ended." << std::endl;
		m_localdb->endSave();
	}

	if (m_mods_loaded)
		delete m_script;
}

bool Client::isShutdown()
{
	return m_shutdown || !m_mesh_update_thread.isRunning();
}

Client::~Client()
{
	m_shutdown = true;
	m_con->Disconnect();

	deleteAuthData();

	m_mesh_update_thread.stop();
	m_mesh_update_thread.wait();
	while (!m_mesh_update_thread.m_queue_out.empty()) {
		MeshUpdateResult r = m_mesh_update_thread.m_queue_out.pop_frontNoEx();
		delete r.mesh;
	}


	delete m_inventory_from_server;

	// Delete detached inventories
	for (auto &m_detached_inventorie : m_detached_inventories) {
		delete m_detached_inventorie.second;
	}

	// cleanup 3d model meshes on client shutdown
	while (RenderingEngine::get_mesh_cache()->getMeshCount() != 0) {
		scene::IAnimatedMesh *mesh = RenderingEngine::get_mesh_cache()->getMeshByIndex(0);

		if (mesh)
			RenderingEngine::get_mesh_cache()->removeMesh(mesh);
	}

	delete m_minimap;
	m_minimap = nullptr;

	delete m_media_downloader;
}

void Client::connect(Address address, bool is_local_server)
{
	initLocalMapSaving(address, m_address_name, is_local_server);

	// Since we use TryReceive() a timeout here would be ineffective anyway
	m_con->SetTimeoutMs(0);
	m_con->Connect(address);
}

void Client::step(float dtime)
{
	// Limit a bit
	if (dtime > 2.0)
		dtime = 2.0;

	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 <= 0.0f)
		{
			counter = 30.0f;
			u32 sum = m_packetcounter.sum();
			float avg = sum / counter;

			infostream << "Client packetcounter (" << counter << "s): "
					<< "sum=" << sum << " avg=" << avg << "/s" << 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) {
		if (m_is_registration_confirmation_state) {
			// Waiting confirmation
			return;
		}
		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)) {
		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
	*/
	LocalPlayer *player = m_env.getLocalPlayer();

	// Step environment (also handles player controls)
	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) {
			u16 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;
ofs	hex dump	ascii
0000	89 50 4e 47 0d 0a 1a 0a 00 00 00 0d 49 48 44 52 00 00 02 00 00 00 02 00 08 06 00 00 00 f4 78 d4	.PNG........IHDR..............x.
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0040	00 0b 13 01 00 9a 9c 18 00 00 00 07 74 49 4d 45 07 e1 01 11 12 3b 23 45 7e 92 99 00 00 0d af 49	............tIME.....;#E~......I
0060	44 41 54 78 da ed dd 5f 88 5c 67 19 c0 e1 77 76 67 ff d4 a2 16 11 53 82 db 90 a4 da ba 62 b2 68	DATx..._.\g...wvg.....S......b.h
0080	4c 6d 1b c9 5a 62 a2 08 a6 45 0c 22 86 80 a5 20 95 80 45 c8 a5 37 bd f1 a2 d2 52 94 5c d9 18 c1	Lm..Zb...E."......E..7....R.\...
00a0	1b 6f da 2a e6 46 b4 ab 5d 36 04 d3 b2 5a 0c 88 49 56 92 6e 5d a4 84 24 c6 68 68 e9 f1 42 4f 0d	.o.*.F..]6...Z..IV.n]..$.hh..BO.
00c0	eb 66 77 26 b3 e7 ec db 39 cf 73 d5 0d e7 85 39 43 d2 f9 ed cc 7c df d7 2a 66 a3 08 00 2a d3 9a	.fw&....9.s....9C....\|..f.....
00e0	88 96 67 81 4c 8a d9 28 06 3c 0d 00 d0 3c ed c5 7f f0 cc 4b 3f f4 ac 90 c6 d7 3f f1 b0 27 01 a0	..g.L..(.<...<.....K?.....?..'..
0100	02 de 01 00 a8 d8 dc dc c5 a2 97 6b cc 9b af 62 5e 00 00 54 6c e3 c6 db 5a 53 53 e7 8b 9b bd c6	...........k...b^..Tl...ZSS.....
0120	bc f9 2a e6 5b 8b bf 04 e8 23 00 32 f1 11 00 fd a0 fc 12 e0 dc dc c5 62 e3 c6 db 96 fd 42 e0 c9	..*.[....#.2...........b.....B..
0140	93 0b c5 b6 6d b7 b7 6e f4 9b 9c 79 f3 ab 31 5f cc 46 21 00 10 00 50 53 00 40 16 56 01 00 40 43	....m..n...y..1_.F!...PS.@.V..@C
0160	09 00 00 10 00 00 80 00 00 a0 67 2b 7d 83 7b a5 6b cc 9b af 62 5e 00 00 54 6c 72 72 6c c5 65 5c	..........g+}.{.k...b^..Tlrrl.e\
0180	93 93 63 ad e9 e9 a5 af 31 6f be 8a 79 ab 00 48 cd 2a 00 fa 41 b9 0a 60 6a ea 7c 31 39 39 b6 ec	..c.....1o..y..H.*..A..`j.\|199..
01a0	8a 80 e5 96 7a 99 37 bf 5a f3 96 01 22 00 a0 c6 00 80 2c 2c 03 04 80 86 12 00 00 20 00 00 00 01	....z.7.Z...".....,,............
01c0	00 00 08 00 00 40 00 00 d0 01 e7 d1 9b cf 38 2f 00 00 2a e6 3c 7a f3 19 e7 ed 03 40 6a f6 01 a0	.....@........8/..*.<z.....@j...
01e0	1f 94 fb 00 38 8f de 7c 96 79 1b 01 21 00 a0 c6 00 80 2c 6c 04 04 00 0d 25 00 00 40 00 00 00 02	....8..\|.y..!.....,l....%..@....
0200	00 80 9e 39 8f de 7c c6 79 01 00 50 31 e7 d1 9b cf 38 6f 15 00 a9 59 05 40 3f 28 57 01 38 8f de	...9..\|.y..P1....8o...Y.@?(W.8..
0220	7c 96 79 cb 00 11 00 50 63 00 40 16 96 01 02 40 43 09 00 00 10 00 00 80 00 00 00 04 00 00 20 00	\|.y....Pc.@....@C...............
0240	00 e8 80 f3 e8 cd 67 9c 17 00 00 15 73 1e bd f9 8c f3 f6 01 20 35 fb 00 d0 0f ca 7d 00 9c 47 6f	......g.....s........5.....}..Go
0260	3e cb bc 8d 80 10 00 50 63 00 40 16 36 02 02 80 86 12 00 00 20 00 00 00 01 00 40 cf 9c 47 6f 3e	>......Pc.@.6.............@..Go>
0280	e3 bc 00 00 a8 98 f3 e8 cd 67 9c b7 0a 80 d4 ac 02 a0 1f 94 ab 00 9c 47 6f 3e cb bc 65 80 08 00	.........g.............Go>..e...
02a0	a8 31 00 20 0b cb 00 01 a0 a1 04 00 00 08 00 00 40 00 00 00 02 00 00 10 00 00 74 c0 79 f4 e6 33	.1..............@.........t.y..3
02c0	ce 0b 00 80 8a 39 8f de 7c c6 79 fb 00 90 9a 7d 00 e8 07 e5 3e 00 ce a3 37 9f 65 de 46 40 08 00	.....9..\|.y....}....>...7.e.F@..
02e0	a8 31 00 20 0b 1b 01 01 40 43 09 00 00 10 00 00 80 00 00 a0 67 ce a3 37 9f 71 5e 00 00 54 cc 79	.1......@C..........g..7.q^..T.y
0300	f4 e6 33 ce 5b 05 40 6a 56 01 d0 0f ca 55 00 ce a3 37 9f 65 de 32 40 04 00 d4 18 00 90 85 65 80	..3.[.@jV....U...7.e.2@.......e.
0320	00 d0 50 02 00 00 04 00 00 20 00 00 00 01 00 00 08 00 00 3a e0 3c 7a f3 19 e7 05 00 40 c5 9c 47	..P................:.<z.....@..G
0340	6f 3e e3 bc 7d 00 48 cd 3e 00 f4 83 72 1f 00 e7 d1 9b cf 32 6f 23 20 04 00 d4 18 00 90 85 8d 80	o>..}.H.>...r......2o#..........
0360	00 a0 a1 04 00 00 08 00 00 40 00 00 d0 33 e7 d1 9b cf 38 2f 00 00 2a e6 3c 7a f3 19 e7 ad 02 20	.........@...3....8/..*.<z......
0380	35 ab 00 e8 07 e5 2a 00 e7 d1 9b cf 32 6f 19 20 02 00 6a 0c 00 c8 c2 32 40 00 68 28 01 00 00 02	5.....*.....2o....j....2@.h(....
03a0	00 00 10 00 00 80 00 00 00 04 00 00 1d 70 1e bd f9 8c f3 02 00 a0 62 ce a3 37 9f 71 de 3e 00 a4	.............p........b..7.q.>..
03c0	66 1f 00 fa 41 b9 0f 80 f3 e8 cd 67 99 b7 11 10 02 00 6a 0c 00 c8 c2 46 40 00 d0 50 02 00 00 04	f...A......g......j....F@..P....
03e0	00 00 20 00 00 e8 99 f3 e8 cd 67 9c ff bf 2f 01 96 1e 78 ec 33 fe d5 b2 e6 7e fd e4 0b 9e 04 de	..........g.../...x.3....~......
0400	f1 5a 13 d1 ea e4 28 d7 e9 e9 f3 c5 8e 1d 63 37 7d 14 ac 79 f3 9d ce 2f b9 0a 40 00 20 00 60 f5	.Z....(.......c7}..y.../..@...`.
0420	03 a0 d3 ff 89 3b cf de 7c 1d f3 02 00 01 00 35 06 00 64 61 19 20 00 34 94 00 00 00 01 00 00 08	.....;..\|......5..da...4........
0440	00 00 40 00 00 00 02 00 80 0e 38 8f de 7c c6 79 01 00 50 31 e7 d1 9b cf 38 6f 1f 00 52 b3 0f 00	..@.......8..\|.y..P1....8o..R...
0460	fd a0 dc 07 c0 79 f4 e6 b3 cc db 08 08 01 00 35 06 00 64 61 23 20 00 68 28 01 00 00 02 00 00 10	.....y.........5..da#..h(.......
0480	00 00 f4 cc 79 f4 e6 33 ce 0b 00 80 8a 4d 4e 8e ad b8 8c 6b 72 72 ac 35 3d bd f4 35 e6 cd 57 31	....y..3.....MN....krr.5=..5..W1
04a0	6f 15 00 a9 59 05 40 3f 28 57 01 38 8f de 7c 96 79 cb 00 11 00 50 63 00 40 16 96 01 02 40 43 09	o...Y.@?(W.8..\|.y....Pc.@....@C.
04c0	00 00 10 00 00 80 00 00 00 04 00 00 20 00 00 e8 80 f3 e8 cd 67 9c 17 00 00 15 73 1e bd f9 8c f3	....................g.....s.....
04e0	f6 01 20 35 fb 00 d0 0f ca 7d 00 9c 47 6f 3e cb bc 8d 80 10 00 50 63 00 40 16 36 02 02 80 86 12	...5.....}..Go>......Pc.@.6.....
0500	00 00 20 00 00 00 01 00 40 cf 9c 47 6f 3e e3 bc 00 00 a8 98 f3 e8 cd 67 9c b7 0a 80 d4 ac 02 a0	........@..Go>.........g........
0520	1f 94 ab 00 9c 47 6f 3e cb bc 65 80 08 00 a8 31 00 20 0b cb 00 01 a0 a1 04 00 00 08 00 00 40 00	.....Go>..e....1..............@.
0540	00 00 02 00 00 10 00 00 74 c0 79 f4 e6 33 ce 0b 00 80 8a 39 8f de 7c c6 79 fb 00 90 9a 7d 00 e8	........t.y..3.....9..\|.y....}..
0560	07 e5 3e 00 ce a3 37 9f 65 de 46 40 08 00 a8 31 00 20 0b 1b 01 01 40 43 09 00 00 10 00 00 80 00	..>...7.e.F@...1......@C........
0580	00 a0 67 ce a3 37 9f 71 5e 00 00 54 cc 79 f4 e6 33 ce 5b 05 40 6a 56 01 d0 0f ca 55 00 ce a3 37	..g..7.q^..T.y..3.[.@jV....U...7
05a0	9f 65 de 32 40 04 00 d4 18 00 90 85 65 80 00 d0 50 02 00 00 04 00 00 20 00 00 00 01 00 00 f4 87	.e.2@.......e...P...............
05c0	1b ae 02 00 60 75 fc e5 bd 17 63 a5 53 dc 96 5b be d5 c9 29 70 e6 cd 77 33 6f 15 00 40 0d 9c 47	....`u....c.S..[...)p..w3o..@..G
05e0	6f 3e e3 bc 77 00 00 2a 56 ee 03 e0 3c 7a f3 59 e6 97 dd 08 08 80 d5 0d 00 c8 c2 47 00 00 d0 50	o>..w..*V...<z.Y...........G...P
0600	02 00 00 04 00 00 20 00 00 e8 99 f3 e8 cd 67 9c 17 00 00 15 73 1e bd f9 8c f3 56 01 00 54 ac 5c	..............g.....s.....V..T.\
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0e20	60 82	`.