FEAT: Meet the commands

CMakeLists.txt

@@ -211,6 +211,7 @@ file(GLOB SERVER_SOURCES
     "src/world/level/tile/entity/*.cpp"
 
     "src/world/phys/HitResult.cpp"
+    "src/commands/*.cpp"
 ) 
 
 file(GLOB CLIENT_SOURCES 
@@ -292,6 +293,8 @@ file(GLOB CLIENT_SOURCES
 
     "src/AppPlatform_glfw.cpp"
     "src/main.cpp"
+
+    "src/commands/*.cpp"
 )
 
 if (${PLATFORM} STREQUAL "Desktop")

src/SharedConstants.h

@@ -16,9 +16,8 @@ namespace SharedConstants
 {
 	// 0.5.0 uses NPv8
 	// 0.6.0 uses NPv9
-	// TODO: Better proto check
-    const int NetworkProtocolVersion = 10;
-	const int NetworkProtocolLowestSupportedVersion = 10;
+    const int NetworkProtocolVersion = 9;
+	const int NetworkProtocolLowestSupportedVersion = 9;
 	const int GameProtocolVersion = 1;
 	const int GameProtocolLowestSupportedVersion = 1;
 

src/client/Minecraft.cpp

@@ -2,6 +2,7 @@
 #include "Options.h"
 #include "client/Options.h"
 #include "client/player/input/IBuildInput.h"
+#include "commands/CommandManager.hpp"
 #include "platform/input/Keyboard.h"
 #include "world/item/Item.h"
 #include "world/item/ItemInstance.h"
@@ -175,7 +176,8 @@ Minecraft::Minecraft() :
 	_powerVr(false),
 	commandPort(4711),
 	reserved_d1(0),reserved_d2(0),
-	reserved_f1(0),reserved_f2(0), options(this)
+	reserved_f1(0),reserved_f2(0), options(this),
+	m_commandManager()
 {
 //#ifdef ANDROID
 
@@ -1597,3 +1599,11 @@ void Minecraft::optionUpdated(OptionId option, int value ) {
         setSize(width, height);
     }
 }
+
+void Minecraft::addMessage(const std::string& msg) {
+#ifndef STANDALONE_SERVER
+	gui.addMessage(msg);
+#else 
+	LOGI("%s", msg.c_str());
+#endif
+}

src/client/Minecraft.h

@@ -2,6 +2,7 @@
 #define NET_MINECRAFT_CLIENT__Minecraft_H__
 
 #include "Options.h"
+#include "commands/CommandManager.hpp"
 #ifndef STANDALONE_SERVER
 #include "MouseHandler.h"
 #include "gui/Gui.h"
@@ -120,11 +121,17 @@ public:
 	void optionUpdated(OptionId option, bool value);
 	void optionUpdated(OptionId option, float value);
 	void optionUpdated(OptionId option, int value);
+
+	int getTicks() { return ticks; }
+
+	void addMessage(const std::string& msg);
 #ifdef __APPLE__
     bool _isSuperFast;
     bool isSuperFast() { return _isSuperFast; }
 #endif
 
+	CommandManager& commandManager() { return m_commandManager; }
+
 protected:
 	void _levelGenerated();
 
@@ -197,6 +204,7 @@ public:
 	std::string externalCacheStoragePath;
 protected:
 	Timer timer;
+
 	// @note @attn @warn: this is dangerous as fuck!
 	volatile bool isGeneratingLevel;
 	bool _hasSignaledGeneratingLevelFinished;
@@ -224,6 +232,8 @@ private:
 
 	PerfRenderer* _perfRenderer;
 	CommandServer* _commandServer;
+
+	CommandManager m_commandManager;
 };
 
 #endif /*NET_MINECRAFT_CLIENT__Minecraft_H__*/

src/client/gamemode/SurvivalMode.cpp

@@ -68,6 +68,7 @@ bool SurvivalMode::destroyBlock( int x, int y, int z, int face ) {
 			minecraft->player->inventory->clearSlot(minecraft->player->inventory->selected);
 		}
 	}
+	
 	if (changed && couldDestroy) {
 		ItemInstance instance(t, 1, data);
 		Tile::tiles[t]->playerDestroy(minecraft->level, minecraft->player, x, y, z, data);

src/client/gui/Gui.cpp

@@ -730,7 +730,6 @@ void Gui::renderDebugInfo() {
 
 	// Position
 	float px = p->x, py = p->y - p->heightOffset, pz = p->z;
-	posTranslator.to(px, py, pz);
 	int bx = (int)floorf(px), by = (int)floorf(py), bz = (int)floorf(pz);
 	int cx = bx >> 4, cz = bz >> 4;
 

src/client/gui/screens/ConsoleScreen.cpp

@@ -8,6 +8,7 @@
 #include "../../../network/ServerSideNetworkHandler.h"
 #include "../../../network/packet/ChatPacket.h"
 #include "../../../platform/log.h"
+#include "util/StringUtils.h"
 
 #include <sstream>
 #include <cstdlib>
@@ -54,141 +55,33 @@ void ConsoleScreen::charPressed(char inputChar)
         _input += inputChar;
 }
 
-// ---------------------------------------------------------------------------
-// execute: run _input as a command, print result, close screen
-// ---------------------------------------------------------------------------
 void ConsoleScreen::execute()
 {
+    if (!minecraft->level) return;
+
     if (_input.empty()) {
-        minecraft->setScreen(NULL);
-        return;
+        return minecraft->setScreen(NULL);
     }
 
     if (_input[0] == '/') {
         // Command
-        std::string result = processCommand(_input);
-        if (!result.empty())
-            minecraft->gui.addMessage(result);
+        _input = Util::stringTrim(_input.substr(1));
+        minecraft->commandManager().execute(*minecraft, _input);
     } else {
-        // Chat message: <name> message
-        std::string msg = std::string("<") + minecraft->player->name + "> " + _input;
+        // @ai @rewrite
         if (minecraft->netCallback && minecraft->raknetInstance->isServer()) {
-            // Hosting a LAN game: displayGameMessage shows locally + broadcasts MessagePacket to clients
-            static_cast<ServerSideNetworkHandler*>(minecraft->netCallback)->displayGameMessage(msg);
+            static_cast<ServerSideNetworkHandler*>(minecraft->netCallback)->displayGameMessage(_input);
         } else if (minecraft->netCallback) {
-            // Connected client: send ChatPacket to server; server echoes it back as MessagePacket
-            ChatPacket chatPkt(msg);
+            ChatPacket chatPkt(_input);
             minecraft->raknetInstance->send(chatPkt);
         } else {
-            // Singleplayer: show locally only
-            minecraft->gui.addMessage(msg);
+            minecraft->gui.addMessage(_input);
         }
     }
 
     minecraft->setScreen(NULL);
 }
 
-// ---------------------------------------------------------------------------
-// processCommand
-// ---------------------------------------------------------------------------
-static std::string trim(const std::string& s) {
-    size_t a = s.find_first_not_of(" \t");
-    if (a == std::string::npos) return "";
-    size_t b = s.find_last_not_of(" \t");
-    return s.substr(a, b - a + 1);
-}
-
-std::string ConsoleScreen::processCommand(const std::string& raw)
-{
-    // strip leading '/'
-    std::string line = raw;
-    if (!line.empty() && line[0] == '/') line = line.substr(1);
-    line = trim(line);
-
-    // tokenise
-    std::vector<std::string> args;
-    {
-        std::istringstream ss(line);
-        std::string tok;
-        while (ss >> tok) args.push_back(tok);
-    }
-
-    if (args.empty()) return "";
-
-    Level* level = minecraft->level;
-    if (!level) return "No level loaded.";
-
-    // -----------------------------------------------------------------------
-    // /time ...
-    // -----------------------------------------------------------------------
-    if (args[0] == "time") {
-        if (args.size() < 2)
-            return "Usage: /time <add|set|query> ...";
-
-        const std::string& sub = args[1];
-
-        // -- time add <value> -----------------------------------------------
-        if (sub == "add") {
-            if (args.size() < 3) return "Usage: /time add <value>";
-            long delta = std::atol(args[2].c_str());
-            long newTime = level->getTime() + delta;
-            level->setTime(newTime);
-            std::ostringstream out;
-            out << "Set the time to " << (newTime % Level::TICKS_PER_DAY);
-            return out.str();
-        }
-
-        // -- time set <value|day|night|noon|midnight> -----------------------
-        if (sub == "set") {
-            if (args.size() < 3) return "Usage: /time set <value|day|night|noon|midnight>";
-            const std::string& val = args[2];
-
-            long t = -1;
-            if      (val == "day")      t = 1000;
-            else if (val == "noon")     t = 6000;
-            else if (val == "night")    t = 13000;
-            else if (val == "midnight") t = 18000;
-            else {
-                // numeric — accept positive integers only
-                bool numeric = true;
-                for (char c : val)
-                    if (!std::isdigit((unsigned char)c)) { numeric = false; break; }
-                if (!numeric) return std::string("Unknown value: ") + val;
-                t = std::atol(val.c_str());
-            }
-
-            // Preserve the total day count so only the time-of-day changes
-            long dayCount = level->getTime() / Level::TICKS_PER_DAY;
-            long newTime  = dayCount * Level::TICKS_PER_DAY + (t % Level::TICKS_PER_DAY);
-            level->setTime(newTime);
-            std::ostringstream out;
-            out << "Set the time to " << t;
-            return out.str();
-        }
-
-        // -- time query <daytime|gametime|day> ------------------------------
-        if (sub == "query") {
-            if (args.size() < 3) return "Usage: /time query <daytime|gametime|day>";
-            const std::string& what = args[2];
-
-            long total   = level->getTime();
-            long daytime = total % Level::TICKS_PER_DAY;
-            long day     = total / Level::TICKS_PER_DAY;
-
-            std::ostringstream out;
-            if      (what == "daytime")  { out << "The time of day is " << daytime; }
-            else if (what == "gametime") { out << "The game time is "   << total;   }
-            else if (what == "day")      { out << "The day is "         << day;     }
-            else return std::string("Unknown query: ") + what;
-            return out.str();
-        }
-
-        return "Unknown sub-command. Usage: /time <add|set|query> ...";
-    }
-
-    return std::string("Unknown command: /") + args[0];
-}
-
 // ---------------------------------------------------------------------------
 // render
 // ---------------------------------------------------------------------------

src/client/gui/screens/ConsoleScreen.h

@@ -25,7 +25,6 @@ public:
 
 private:
     void execute();
-    std::string processCommand(const std::string& cmd);
 
     std::string _input;
     int         _cursorBlink; // tick counter for cursor blink

src/client/gui/screens/crafting/PaneCraftingScreen.cpp

@@ -19,6 +19,9 @@
 #include "network/RakNetInstance.h"
 #include "network/packet/WantCreatePacket.h"
 #include "platform/input/Keyboard.h"
+#include <cstdint>
+#include <iostream>
+#include <string>
 
 static NinePatchLayer* guiPaneFrame = NULL;
 
@@ -195,6 +198,26 @@ void PaneCraftingScreen::setupPositions() {
 }
 
 void PaneCraftingScreen::tick() {
+	if (minecraft->isOnline()) {
+		// TODO: Make better algorithm
+		static std::map<uint8_t, uint16_t> oldMap = {};
+		std::map<uint8_t, uint16_t> newMap = {};
+
+		for (int i = Inventory::MAX_SELECTION_SIZE; i < minecraft->player->inventory->getContainerSize(); ++i) {
+			auto itm = minecraft->player->inventory->getItem(i);
+
+			if (itm != NULL) {
+				newMap[itm->id] += itm->count;
+			}
+		}
+
+		if (oldMap != newMap) {
+			oldMap = newMap;
+			newMap = {};
+			recheckRecipes();
+		}
+	}
+
 	if (pane) pane->tick();
 }
 
@@ -444,7 +467,7 @@ void PaneCraftingScreen::craftSelectedItem()
 		if (minecraft->isOnline()) {
 			WantCreatePacket packet(minecraft->player->entityId, resultItem.count, resultItem.getAuxValue(), resultItem.id);
 			minecraft->raknetInstance->send(packet);
-		} else {
+		}
 		// Remove all items required for the recipe and ...
 		for (unsigned int i = 0; i < currentItem->neededItems.size(); ++i) {
 			CItem::ReqItem& req = currentItem->neededItems[i];
@@ -474,7 +497,6 @@ void PaneCraftingScreen::craftSelectedItem()
 		recheckRecipes();
 	}
 }
-}
 
 bool PaneCraftingScreen::renderGameBehind()
 {

src/client/player/LocalPlayer.cpp

@@ -438,7 +438,7 @@ void LocalPlayer::tick() {
 	{
 		if (std::abs(x - sentX) > .1f || std::abs(y - sentY) > .01f || std::abs(z - sentZ) > .1f || std::abs(sentRotX - xRot) > 1 || std::abs(sentRotY - yRot) > 1)
 		{
-			MovePlayerPacket packet(entityId, x, y - heightOffset, z, xRot, yRot);
+			MovePlayerPacket packet(entityId, xxa, y - heightOffset, yya, xRot, yRot);
 			minecraft->raknetInstance->send(packet);
 			sentX = x;
 			sentY = y;

src/client/renderer/entity/PlayerRenderer.cpp

@@ -77,10 +77,10 @@ void PlayerRenderer::render(Entity* mob_, float x, float y, float z, float rot,
 		model = desired;
 		humanoidModel = desired;
 	}
-	LOGI("[PlayerRenderer] %s: skin=%s, modelTex=%dx%d, desired=%s\n", 
+	/* LOGI("[PlayerRenderer] %s: skin=%s, modelTex=%dx%d, desired=%s\n", 
 		((Player*)mob)->name.c_str(), mob->getTexture().c_str(), 
 		humanoidModel->texWidth, humanoidModel->texHeight,
-		(desired == playerModel64 ? "64" : "32"));
+		(desired == playerModel64 ? "64" : "32")); */
 	HumanoidMobRenderer::render(mob_, x, y, z, rot, a);
 }
 

src/commands/Command.hpp

@@ -0,0 +1,25 @@
+#pragma once
+#include <string>
+#include <vector>
+
+enum CommandFlags {
+    COMMAND_FLAG_SINGLEPLAYER_ONLY = (1 << 1),
+    COMMAND_FLAG_NO_ARGS = (1 << 2),
+};
+
+class Minecraft;
+
+class Command {
+public:
+    const std::string& getName() { return m_name; }
+    const CommandFlags getFlags() { return m_flags; }
+
+    virtual void execute(Minecraft& mc, const std::vector<std::string>& args) = 0;
+    virtual void printHelp(Minecraft& mc) = 0;
+
+protected:
+    Command(const std::string& name, CommandFlags flags = (CommandFlags)0) : m_name(name), m_flags(flags) {}
+
+    const std::string m_name;
+    const CommandFlags m_flags;
+};

src/commands/CommandHelp.cpp

@@ -0,0 +1,27 @@
+#include "CommandHelp.hpp"
+#include "commands/Command.hpp"
+#include "CommandManager.hpp"
+#include <client/Minecraft.h>
+
+CommandHelp::CommandHelp() : Command("help") {}
+
+void CommandHelp::execute(Minecraft& mc, const std::vector<std::string>& args) {
+    if (args.empty()) {
+        auto cmds = mc.commandManager().getListAllCommands();
+
+        mc.addMessage("Usage: /help <command>");
+        mc.addMessage("List of all commands:");
+        
+        for (auto& cmd : cmds) {
+            mc.addMessage(" - " + cmd);
+        }
+    } else {
+        Command* cmd = mc.commandManager().getCommand(args[0]);
+
+        if (cmd != nullptr) {
+            cmd->printHelp(mc);
+        }
+    }
+}
+
+void CommandHelp::printHelp(Minecraft& mc) {}

src/commands/CommandHelp.hpp

@@ -0,0 +1,9 @@
+#include "Command.hpp"
+
+class CommandHelp : public Command {
+public:
+    CommandHelp();
+
+    void execute(Minecraft& mc, const std::vector<std::string>& args);
+    void printHelp(Minecraft& mc);
+};

src/commands/CommandKick.cpp

@@ -0,0 +1,37 @@
+#include "CommandKick.hpp"
+#include "commands/Command.hpp"
+#include "network/RakNetInstance.h"
+#include "raknet/RakPeer.h"
+#include "world/level/Level.h"
+#include <algorithm>
+#include <client/Minecraft.h>
+
+
+CommandKick::CommandKick() : Command("kick") {}
+
+void CommandKick::execute(Minecraft& mc, const std::vector<std::string>& args) {
+    if (args.empty()) {
+        return printHelp(mc);
+    }
+
+    auto it = std::find_if(mc.level->players.begin(), mc.level->players.end(), [args] (auto& it) -> bool {
+        return it->name == args[0];
+    });
+
+    if (it == mc.level->players.end()) {
+        return mc.addMessage("kick: can't find player with name " + args[0]);
+    }
+
+    if (*it == (Player*)mc.player) {
+        return mc.addMessage("kick: you can't kick urself lol");
+    }
+
+    mc.level->removePlayer(*it);
+    (*it)->remove();
+    mc.raknetInstance->getPeer()->CloseConnection((*it)->owner, true);
+    mc.addMessage("kick: successfully kicked player " + args[0]);
+}
+
+void CommandKick::printHelp(Minecraft& mc) {
+    mc.addMessage("Usage: /kick <player>");
+}

src/commands/CommandKick.hpp

@@ -0,0 +1,9 @@
+#include "Command.hpp"
+
+class CommandKick : public Command {
+public:
+    CommandKick();
+
+    void execute(Minecraft& mc, const std::vector<std::string>& args);
+    void printHelp(Minecraft& mc);
+};

src/commands/CommandManager.cpp

@@ -0,0 +1,71 @@
+#include "CommandManager.hpp"
+#include <algorithm>
+#include <string>
+#include <vector>
+#include "client/Minecraft.h"
+#include "commands/Command.hpp"
+#include "commands/CommandHelp.hpp"
+#include "commands/CommandKick.hpp"
+#include "network/packet/ChatPacket.h"
+#include "network/RakNetInstance.h"
+#include "world/level/Level.h"
+
+
+
+CommandManager::CommandManager() {
+    registerAllCommands();
+}
+
+void CommandManager::registerAllCommands() {
+    m_commands.push_back(new CommandHelp());
+    m_commands.push_back(new CommandKick());
+}
+
+std::vector<std::string> CommandManager::getListAllCommands() {
+    std::vector<std::string> ret;
+
+    for (auto& cmd : m_commands) {
+        ret.push_back(cmd->getName());
+    }
+
+    return ret;
+}
+
+void CommandManager::execute(Minecraft& mc, const std::string& input) {
+    std::istringstream ss(input);
+    std::string cmd;
+
+    ss >> cmd;
+
+    auto it = std::find_if(m_commands.begin(), m_commands.end(), [cmd](auto& it) -> bool {
+        return it->getName() == cmd;
+    });
+
+    if (it == m_commands.end()) {
+        return mc.addMessage("Command /" + cmd + " not found");
+    }
+
+    std::vector<std::string> args;
+
+    std::string tok;
+    while (ss >> tok) args.push_back(tok);
+    
+    if (!mc.level->isClientSide || (*it)->getFlags() & CommandFlags::COMMAND_FLAG_SINGLEPLAYER_ONLY) {
+        (*it)->execute(mc, args);
+    } else {
+        ChatPacket packet("/" + input);
+        mc.raknetInstance->send(packet);
+    }
+}
+
+Command* CommandManager::getCommand(const std::string& name) {
+    auto it = std::find_if(m_commands.begin(), m_commands.end(), [name](auto& it) -> bool {
+        return it->getName() == name;
+    });
+
+    if (it == m_commands.end()) {
+        return *it;
+    }
+
+    return nullptr;
+}

src/commands/CommandManager.hpp

@@ -0,0 +1,21 @@
+#pragma once
+#include <string>
+#include <vector>
+
+#include "Command.hpp"
+
+class CommandManager {
+public:
+    CommandManager();
+
+    std::vector<std::string> getListAllCommands();
+
+    void execute(Minecraft& mc, const std::string& input);
+
+    Command* getCommand(const std::string& name);
+
+private:
+    void registerAllCommands();
+    
+    std::vector<Command*> m_commands;
+};

src/main_dedicated.cpp

@@ -30,20 +30,29 @@ void signal_callback_handler(int signum) {
 int main(int numArguments, char* pszArgs[]) {
 	ArgumentsSettings aSettings(numArguments, pszArgs);
 	if(aSettings.getShowHelp()) {
+		// TODO: Map with args and print it with std::cout and for loop
+		// TODO: World size setting
+
 		ArgumentsSettings defaultSettings(0, NULL);
+
 		printf("Minecraft Pockect Edition Server %s\n", Common::getGameVersionString("").c_str());
 		printf("-------------------------------------------------------\n");
+
 		printf("--cachepath - Path to where the server can store temp stuff (not sure if this is used) [default: \"%s\"]\n", defaultSettings.getCachePath().c_str());
 		printf("--externalpath - The path to the place where the server should store the levels. [default: \"%s\"]\n", defaultSettings.getExternalPath().c_str());
 		printf("--levelname - The name of the server [default: \"%s\"]\n", defaultSettings.getLevelName().c_str());
+		printf("--gamemode - The name of the gamemode [default: \"%s\"]\n", defaultSettings.getGamemode().c_str());
 		printf("--leveldir - The name of the server [default: \"%s\"]\n", defaultSettings.getLevelDir().c_str());
 		printf("--help - Shows this message.\n");
 		printf("--port - The port to run the server on. [default: %d]\n", defaultSettings.getPort());
 		printf("--serverkey - The key that the server should use for API calls. [default: \"%s\"]\n", defaultSettings.getServerKey().c_str());
+
 		printf("-------------------------------------------------------\n");
+
 		return 0;
 	}
 	printf("Level Name: %s\n", aSettings.getLevelName().c_str());
+
 	AppContext appContext;
 	appContext.platform = new AppPlatform();
 	App* app = new MAIN_CLASS();

src/network/ClientSideNetworkHandler.cpp

@@ -1,6 +1,7 @@
 
 #include "ClientSideNetworkHandler.h"
 #include "client/Options.h"
+#include "network/packet/LoginStatusPacket.h"
 #include "packet/PacketInclude.h"
 #include "RakNetInstance.h"
 #include "../world/level/chunk/ChunkSource.h"
@@ -87,7 +88,7 @@ void ClientSideNetworkHandler::onConnect(const RakNet::RakNetGUID& hostGuid)
 	serverGuid = hostGuid;
 
 	clearChunksLoaded();
-	LoginPacket packet(minecraft->options.getStringValue(OPTIONS_USERNAME).c_str(), SharedConstants::NetworkProtocolVersion);
+	LoginPacket packet(minecraft->options.getStringValue(OPTIONS_USERNAME).c_str(), SharedConstants::NetworkProtocolVersion, true);
 	raknetInstance->send(packet);
 }
 
@@ -98,6 +99,7 @@ void ClientSideNetworkHandler::onUnableToConnect()
 
 void ClientSideNetworkHandler::onDisconnect(const RakNet::RakNetGUID& guid)
 {
+	// TODO: Good disconnecting
 	LOGI("onDisconnect\n");
 	if (level)
 	{
@@ -131,6 +133,12 @@ void ClientSideNetworkHandler::handle(const RakNet::RakNetGUID& source, LoginSta
 		LOGI("Disconnect! Server is outdated!\n");
 #ifndef STANDALONE_SERVER
 		minecraft->setScreen(new DisconnectionScreen("Could not connect: Outdated server!"));
+#endif
+	}
+	if (packet->status == LoginStatus::Failed_TakenNickname) {
+		LOGI("Disconnect! Nickname is taken!\n");
+#ifndef STANDALONE_SERVER
+		minecraft->setScreen(new DisconnectionScreen("Could not connect: Nickname is taken!"));
 #endif
 	}
 }
@@ -345,6 +353,7 @@ void ClientSideNetworkHandler::handle(const RakNet::RakNetGUID& source, AddItemE
 }
 
 void ClientSideNetworkHandler::handle(const RakNet::RakNetGUID& source, TakeItemEntityPacket* packet) {
+	printf("TakeItemEntityPacket \n");
 	if (!level) return;
 
 	Entity* e = level->getEntity(packet->itemId);
@@ -386,6 +395,22 @@ void ClientSideNetworkHandler::handle(const RakNet::RakNetGUID& source, MovePlay
 		entity->lerpTo(packet->x, packet->y, packet->z, packet->yRot, packet->xRot, 3);
 	}
 }
+
+void ClientSideNetworkHandler::handle(const RakNet::RakNetGUID& source, SendInventoryPacket* packet) {
+	if (!level) return;
+
+	if (packet->entityId == minecraft->player->entityId) {
+		auto items = packet->items;
+		
+		minecraft->player->inventory->replace(items);
+
+		for (int i = 0; i < packet->linkedSlot.size(); i++) {
+			minecraft->player->inventory->linkSlot(i, packet->linkedSlot[i].inventorySlot, true);
+			LOGI("%i -> %i\n", packet->linkedSlot[i].inventorySlot, i);
+		}
+	}
+}
+
 void ClientSideNetworkHandler::handle(const RakNet::RakNetGUID& source, TakeItemPacket* packet) {
 	if (!level) return;
 
@@ -828,6 +853,7 @@ void ClientSideNetworkHandler::handle(const RakNet::RakNetGUID& source, SetHealt
 	if (!level || !minecraft->player)
 		return;
 
+	printf("SetHealthPacket \n");
 	minecraft->player->hurtTo(packet->health);
 }
 

src/network/ClientSideNetworkHandler.h

@@ -80,6 +80,7 @@ public:
 	virtual void handle(const RakNet::RakNetGUID& source, RemoveItemPacket* packet);
 	virtual void handle(const RakNet::RakNetGUID& source, TakeItemPacket* packet);
 	virtual void handle(const RakNet::RakNetGUID& source, WantCreatePacket* packet);
+	virtual void handle(const RakNet::RakNetGUID& source, SendInventoryPacket* packet);
 
 private:
 

src/network/NATPunchHandler.cpp

@@ -1,33 +0,0 @@
-#include "NATPunchHandler.h"
-#include "../raknet/TCPInterface.h"
-#include "../raknet/HTTPConnection.h"
-#include "PHPDirectoryServer2.h"
-
-using namespace RakNet;
-NATPuchHandler::NATPuchHandler() {
-	tcpInterface = new TCPInterface;
-}
-NATPuchHandler::~NATPuchHandler() {
-	delete tcpInterface;
-}
-
-void NATPuchHandler::initialize() {
-	tcpInterface->Start(0, 64);
-}
-
-void NATPuchHandler::registerToGameList(const RakNet::RakString& serverName, int port) {
-	HTTPConnection httpConnection;
-	httpConnection.Init(tcpInterface, "johanbernhardsson.se");
-	PHPDirectoryServer2 directoryServer;
-	directoryServer.Init(&httpConnection, "/DirectoryServer.php");
-	directoryServer.UploadTable("", serverName, port, true);
-}
-
-void NATPuchHandler::removeFromGameList() {
-
-}
-
-void NATPuchHandler::close() {
-
-}
-

src/network/NATPunchHandler.h

@@ -1,24 +0,0 @@
-#ifndef _MINECRAFT_NETWORK_NATPUNCHHANDLER_H_
-#define _MINECRAFT_NETWORK_NATPUNCHHANDLER_H_
-#include "../raknet/TCPInterface.h"
-#include "../raknet/RakString.h"
-class NATPuchHandler {
-public:
-	enum NATPuchHandlerStatus {
-		NATPuchInitilized = 0,
-		NATPuchFetchingServerList = 1,
-		NATPuchConnecting = 2,
-		NATPuchConnected = 3,
-		NATPuchDissconnected = 4
-	};
-	NATPuchHandler();
-	~NATPuchHandler();
-	void initialize();
-	void registerToGameList(const RakNet::RakString& serverName, int port);
-	void removeFromGameList();
-	void close();
-private:
-	RakNet::TCPInterface *tcpInterface;
-};
-
-#endif /* _MINECRAFT_NETWORK_NATPUNCHHANDLER_H_ */

src/network/ServerSideNetworkHandler.cpp

@@ -6,7 +6,10 @@
 #include "../world/Container.h"
 #include "../world/inventory/BaseContainerMenu.h"
 #include "network/packet/ContainerSetSlotPacket.h"
+#include "network/packet/LoginStatusPacket.h"
+#include "network/packet/MovePlayerPacket.h"
 #include "network/packet/RemoveBlockPacket.h"
+#include "network/packet/SendInventoryPacket.h"
 #include "network/packet/UpdateBlockPacket.h"
 #include "network/packet/RemoveItemPacket.h"
 #include "network/packet/TakeItemPacket.h"
@@ -20,11 +23,14 @@
 #include "../raknet/RakPeerInterface.h"
 #include "../raknet/PacketPriority.h"
 #include "platform/log.h"
+#include "util/Mth.h"
 #include "world/item/ItemInstance.h"
+#include "world/level/storage/LevelStorage.h"
 #include "world/phys/Vec3.h"
 #include "world/item/crafting/Recipe.h"
 #include "world/item/crafting/Recipes.h"
 #include <cstddef>
+#include <cstdio>
 #ifndef STANDALONE_SERVER
 #include "../client/sound/SoundEngine.h"
 #endif
@@ -168,6 +174,8 @@ void ServerSideNetworkHandler::onDisconnect(const RakNet::RakNetGUID& guid)
 
 		if (player->owner == guid)
 		{
+			minecraft->level->getLevelStorage()->savePlayer(*player);
+
 			std::string message = player->name;
 			message += " disconnected from the game";
 			displayGameMessage(message);
@@ -192,7 +200,6 @@ void ServerSideNetworkHandler::handle(const RakNet::RakNetGUID& source, LoginPac
 
 	LOGI("LoginPacket\n");
 	
-	printf("%d", packet->clientNetworkVersion);
 	int loginStatus = LoginStatus::Success;
 	//
 	// Bad/incompatible client version
@@ -202,6 +209,14 @@ void ServerSideNetworkHandler::handle(const RakNet::RakNetGUID& source, LoginPac
 	if (oldClient || oldServer)
 		loginStatus = oldClient? LoginStatus::Failed_ClientOld : LoginStatus::Failed_ServerOld;
 
+	for (int i = 0; i < level->players.size(); i++) {
+		ServerPlayer* player = (ServerPlayer*) level->players.at(i);
+		
+		if (player->name == packet->clientName.C_String()) {
+			loginStatus = packet->newProto ? LoginStatus::Failed_TakenNickname : LoginStatus::Failed_ClientOld;
+		}
+	}
+
 	RakNet::BitStream bitStream;
 	LoginStatusPacket(loginStatus).write(&bitStream);
 	rakPeer->Send(&bitStream, HIGH_PRIORITY, RELIABLE_ORDERED, 0, source, false);
@@ -212,7 +227,8 @@ void ServerSideNetworkHandler::handle(const RakNet::RakNetGUID& source, LoginPac
 	//
 	// Valid client version
 	//
-	Player* newPlayer = new ServerPlayer(minecraft, level);
+	
+	Player* newPlayer = new ServerPlayer(minecraft, level, packet->newProto);
 	
 	minecraft->gameMode->initAbilities(newPlayer->abilities);
 	newPlayer->owner = source;
@@ -247,6 +263,11 @@ void ServerSideNetworkHandler::handle(const RakNet::RakNetGUID& source, LoginPac
         ).write(&bitStream);
 
         rakPeer->Send(&bitStream, HIGH_PRIORITY, RELIABLE_ORDERED, 0, source, false);
+		
+		if (!packet->newProto) {
+			MessagePacket packet("You're using outdated client. Some features disabled.");
+			raknetInstance->send(packet);
+		}
 	}
 }
 
@@ -318,6 +339,36 @@ void ServerSideNetworkHandler::onReady_ClientGeneration(const RakNet::RakNetGUID
 		}
 	}
 
+	if (!minecraft->level->getLevelStorage()->loadPlayer(*newPlayer)) {
+		LOGW("Failed to load %s data\n", newPlayer->name.c_str());
+	}
+
+	// Credits to EpikIzCool
+	bitStream.Reset();
+	MovePlayerPacket mv(newPlayer->entityId, newPlayer->x, newPlayer->y - newPlayer->heightOffset,
+		newPlayer->z, newPlayer->xRot, newPlayer->yRot);
+	mv.write(&bitStream);
+
+	rakPeer->Send(&bitStream, HIGH_PRIORITY, RELIABLE_ORDERED, 0, source, false);
+	
+	bitStream.Reset();
+	SetHealthPacket hp(newPlayer->health);
+	hp.write(&bitStream);
+	
+	rakPeer->Send(&bitStream, HIGH_PRIORITY, RELIABLE_ORDERED, 0, source, false);
+	
+	if (newPlayer->hasRespawnPosition()) {
+		bitStream.Reset();
+		SetSpawnPositionPacket sp(newPlayer->getRespawnPosition());
+		sp.write(&bitStream);
+		rakPeer->Send(&bitStream, HIGH_PRIORITY, RELIABLE_ORDERED, 0, source, false);
+	}
+
+	bitStream.Reset();
+	SendInventoryPacket(newPlayer, false).write(&bitStream);
+	rakPeer->Send(&bitStream, HIGH_PRIORITY, RELIABLE_ORDERED, 0, source, false);
+
+
 	// Additional packets
 	// * set spawn
 	/*
@@ -357,13 +408,48 @@ void ServerSideNetworkHandler::handle(const RakNet::RakNetGUID& source, MovePlay
 	if (!level) return;
 	
 	//LOGI("MovePlayerPacket\n");
-	if (Entity* entity = level->getEntity(packet->entityId))
-	{
+	if (Entity* entity = level->getEntity(packet->entityId)) {
+		ServerPlayer* player = (ServerPlayer*) getPlayer(source);
+
+		float vectorDist = sqrt( (packet->x - entity->x) * (packet->x - entity->x)  + 
+									(packet->z - entity->z) * (packet->z - entity->z));
+		float speed = vectorDist / (minecraft->getTicks() - player->getLastMoveTicks());
+
+		if (speed < 1.f) {
+			LOGI("Packet: %f, %f, %f \n", packet->x, packet->y, packet->z);
+			LOGI("Entity before: %f, %f, %f \n", entity->x, entity->y, entity->z);
+			LOGI("OnGround: %d \n", entity->onGround);
+
+			// @note: packet->y contains y with subtracted entity->heightOffset
+			float ya = packet->y - entity->y - entity->heightOffset;
+
+			LOGI("y: %f \n", ya);
+
+			float yaOrg = ya;
+
+			// @BIGWARNING @fixme: blocks around work as shit
+			std::vector<AABB>& aABBs = level->getCubes(entity, entity->bb.expand(0, ya, 0));
+			
+			for (unsigned int i = 0; i < aABBs.size(); i++)
+				ya = aABBs[i].clipYCollide(entity->bb, ya);
+
+			bool og = yaOrg != ya && yaOrg < 0;
+			
+			entity->onGround = og;
+			entity->checkFallDamage(ya, og);
 			entity->xd = entity->yd = entity->zd = 0;	
 			entity->lerpTo(packet->x, packet->y, packet->z, packet->yRot, packet->xRot, 3);
 
+			LOGI("Entity after: %f, %f, %f \n", entity->x, entity->y, entity->z);
+			
 			// broadcast this packet to other clients
 			redistributePacket(packet, source);
+		} // else {
+		    //MovePlayerPacket refuse(player->entityId, player->x, player->y, player->z, player->xRot, player->yRot);
+		    //raknetInstance->send(refuse);
+		// }
+	
+		player->setLastMoveTicks(minecraft->getTicks());
 	}
 }
 
@@ -385,9 +471,24 @@ void ServerSideNetworkHandler::handle(const RakNet::RakNetGUID& source, RemoveBl
 	if (oldTile != NULL && changed) {
 		level->playSound(x + 0.5f, y + 0.5f, z + 0.5f, oldTile->soundType->getBreakSound(), (oldTile->soundType->getVolume() + 1) / 2, oldTile->soundType->getPitch() * 0.8f);
 
-		if (minecraft->gameMode->isSurvivalType() && player->canDestroy(oldTile))
+		if (minecraft->gameMode->isSurvivalType() && player->canDestroy(oldTile)) {
+			// From SurvivalMode.cpp
+			// Why tf i have to copy this shit from SurvivalMode class
+			// Why SurvivalMode class locked to LOCAL MINECRAFT PLAYER :sob: :sob: :sob: :sob: :sob: :sob: :sob: :sob:
+			// @fix @warn @ahtung @alert
+			ItemInstance* item = player->inventory->getSelected();
+			if (item != NULL) {
+				item->mineBlock(oldTile->id, x, y, z);
+				if (item->count == 0) {
+					//item->snap(minecraft->player);
+					player->inventory->clearSlot(player->inventory->selected);
+				}
+			}
+
 			// oldTile->spawnResources(level, x, y, z, data, 1); //@todo
 			oldTile->playerDestroy(level, player, x, y, z, data);
+		}
+			
 
 		oldTile->destroy(level, x, y, z, data);
 	}
@@ -462,6 +563,10 @@ void ServerSideNetworkHandler::handle(const RakNet::RakNetGUID& source, PlayerEq
 
 	if (slot < 0 && packet->itemId != 0) {
 		LOGW("PlayerEquipmentPacket: Remote player doesn't have his thing (or crafted it)!\n");
+
+		SendInventoryPacket newInventory (player, false);
+		raknetInstance->send(newInventory);
+
 		return;
 	}
 
@@ -480,7 +585,7 @@ void ServerSideNetworkHandler::handle(const RakNet::RakNetGUID& source, PlayerAr
     if (!player) return;
     if (rakPeer->GetMyGUID() == player->owner) return;
 
-	LOGI("Equip armor: %i %i %i %i\n", packet->head, packet->torso, packet->legs, packet->feet);
+	// LOGI("Equip armor: %i %i %i %i\n", packet->head, packet->torso, packet->legs, packet->feet);
 
     packet->fillIn(player);
     redistributePacket(packet, source);
@@ -584,14 +689,14 @@ void ServerSideNetworkHandler::handle(const RakNet::RakNetGUID& source, WantCrea
 			}
 		}
 
-		for (int i = 0; i < items.size(); i++) {
-			RemoveItemPacket removePacket(packet->playerId, items.at(i).count, items.at(i).getAuxValue(), items.at(i).id);
-			raknetInstance->send(source, removePacket);
+		// for (int i = 0; i < items.size(); i++) {
+		// 	RemoveItemPacket removePacket(packet->playerId, items.at(i).count, items.at(i).getAuxValue(), items.at(i).id);
+		// 	raknetInstance->send(source, removePacket);
 
-			p->inventory->removeResource(ItemInstance(items.at(i).id, items.at(i).count, items.at(i).getAuxValue()));
-		}
-		TakeItemPacket itemAdd(p->entityId, wantCreate.count, wantCreate.getAuxValue(), wantCreate.id);
-		raknetInstance->send(source, itemAdd);
+		// 	p->inventory->removeResource(ItemInstance(items.at(i).id, items.at(i).count, items.at(i).getAuxValue()));
+		// }
+		// TakeItemPacket itemAdd(p->entityId, wantCreate.count, wantCreate.getAuxValue(), wantCreate.id);
+		// raknetInstance->send(source, itemAdd);
 
 		p->inventory->add(new ItemInstance(wantCreate.id, wantCreate.count, wantCreate.getAuxValue()));
 	}
@@ -855,19 +960,19 @@ void ServerSideNetworkHandler::handle(const RakNet::RakNetGUID& source, Containe
 
 void ServerSideNetworkHandler::handle( const RakNet::RakNetGUID& source, SetHealthPacket* packet )
 {
-	LOGI("SetHealthPacket\n");
+	LOGI("net idi nahui\n");
 
-	for (unsigned int i = 0; i < level->players.size(); ++i) {
-		Player* p = level->players[i];
-		if (p->owner == source) {
-			if (packet->health <= -32) {
-				int diff = packet->health - SetHealthPacket::HEALTH_MODIFY_OFFSET;
-				if (diff > 0) p->hurt(NULL, diff);
-				else if (diff < 0) p->heal(-diff);
-			}
-			break;
-		}
-	}
+	// for (unsigned int i = 0; i < level->players.size(); ++i) {
+	// 	Player* p = level->players[i];
+	// 	if (p->owner == source) {
+	// 		if (packet->health <= -32) {
+	// 			int diff = packet->health - SetHealthPacket::HEALTH_MODIFY_OFFSET;
+	// 			if (diff > 0) p->hurt(NULL, diff);
+	// 			else if (diff < 0) p->heal(-diff);
+	// 		}
+	// 		break;
+	// 	}
+	// }
 }
 
 void ServerSideNetworkHandler::handle( const RakNet::RakNetGUID& source, SignUpdatePacket* packet ) {

src/network/packet/LoginPacket.h

@@ -9,17 +9,20 @@ public:
 	RakNet::RakString clientName;
 	int clientNetworkVersion;
 	int clientNetworkLowestSupportedVersion;
+	bool newProto;
 
 	LoginPacket()
 	:	clientNetworkVersion(-1),
-		clientNetworkLowestSupportedVersion(-1)
+		clientNetworkLowestSupportedVersion(-1),
+		newProto(false)
 	{
 	}
 
-	LoginPacket(const RakNet::RakString& clientName, int clientVersion)
+	LoginPacket(const RakNet::RakString& clientName, int clientVersion, bool newProto)
 	:	clientName(clientName),
 		clientNetworkVersion(clientVersion),
-		clientNetworkLowestSupportedVersion(clientVersion)
+		clientNetworkLowestSupportedVersion(clientVersion),
+		newProto(newProto)
 	{
 	}
 
@@ -29,6 +32,7 @@ public:
 		bitStream->Write(clientName);
 		bitStream->Write(clientNetworkVersion);
 		bitStream->Write(clientNetworkLowestSupportedVersion);
+		bitStream->Write(newProto);
 	}
 
 	void read(RakNet::BitStream* bitStream)
@@ -39,6 +43,11 @@ public:
 		if (bitStream->GetNumberOfUnreadBits() > 0) {
 			bitStream->Read(clientNetworkVersion);
 			bitStream->Read(clientNetworkLowestSupportedVersion);
+			
+			// Checking for new proto
+			if (bitStream->GetNumberOfUnreadBits() > 0) {
+				bitStream->Read(newProto);
+			}
 		}
 	}
 

src/network/packet/LoginStatusPacket.h

@@ -3,10 +3,12 @@
 
 #include "../Packet.h"
 
+// wtf why not enum
 namespace LoginStatus {
 	const int Success = 0;
 	const int Failed_ClientOld = 1;
 	const int Failed_ServerOld = 2;
+	const int Failed_TakenNickname = 3;
 }
 
 class LoginStatusPacket : public Packet {

src/network/packet/SendInventoryPacket.h

@@ -3,13 +3,13 @@
 
 #include "../Packet.h"
 #include "world/entity/player/Inventory.h"
+#include "world/inventory/FillingContainer.h"
+#include <array>
 
 class SendInventoryPacket: public Packet
 {
 public:
-	SendInventoryPacket()
-	{
-	}
+	SendInventoryPacket() {}
 
 	SendInventoryPacket(Player* player, bool dropItems)
 	:	entityId(player->entityId),
@@ -22,10 +22,15 @@ public:
 			ItemInstance* item = inv->getItem(i);
 			items.push_back(item? *item : ItemInstance());
         }
+
         for (int i = 0; i < NumArmorItems; ++i) {
             ItemInstance* item = player->getArmor(i);
             items.push_back(item? *item : ItemInstance());
         }
+
+		for (int i = 0; i < inv->numLinkedSlots; ++i) {
+            linkedSlot[i] = inv->linkedSlots[i];
+        }
 	}
 
 	void write(RakNet::BitStream* bitStream)
@@ -40,6 +45,13 @@ public:
         // Armor
         for (int i = 0; i < NumArmorItems; ++i)
             PacketUtil::writeItemInstance(items[i + numItems], bitStream);
+
+		int lSlots = Inventory::MAX_SELECTION_SIZE;
+
+		// Linked slots
+		bitStream->Write(lSlots);
+		for (int i = 0; i < lSlots; ++i)
+            bitStream->Write(linkedSlot[i]);
 	}
 
 	void read(RakNet::BitStream* bitStream)
@@ -51,6 +63,12 @@ public:
         // Inventory, Armor
 		for (int i = 0; i < numItems + NumArmorItems; ++i)
 			items.push_back(PacketUtil::readItemInstance(bitStream));
+
+		// Linked slots
+		int lSlots = 0;
+		bitStream->Read(lSlots);
+		for (int i = 0; i < lSlots; ++i)
+            bitStream->Read(linkedSlot[i]);
 	}
 
 	void handle(const RakNet::RakNetGUID& source, NetEventCallback* callback)
@@ -63,6 +81,8 @@ public:
 	short numItems;
 	unsigned char extra;
 
+	std::array<FillingContainer::LinkedSlot, Inventory::MAX_SELECTION_SIZE> linkedSlot;
+
 	static const int ExtraDrop = 1;
     static const int NumArmorItems = 4;
 };

src/server/ArgumentsSettings.cpp

@@ -17,6 +17,11 @@ ArgumentsSettings::ArgumentsSettings(int numArguments, char** arguments)
 				levelName = std::string(arguments[a+1]);
 				a++; // Skip the next argument since it's part of this one.
 			}
+		} else if(strcmp(arguments[a], "--gamemode") == 0) {
+			if(a + 1 < numArguments) {
+				gamemode = std::string(arguments[a+1]);
+				a++; // Skip the next argument since it's part of this one.
+			}
 		} else if(strcmp(arguments[a], "--leveldir") == 0) {
 			if(a + 1 < numArguments) {
 				levelDir = std::string(arguments[a+1]);
@@ -51,6 +56,9 @@ std::string ArgumentsSettings::getServerKey() {
 std::string ArgumentsSettings::getCachePath() {
 	return cachePath;
 }
+std::string ArgumentsSettings::getGamemode() {
+	return gamemode;
+}
 std::string ArgumentsSettings::getLevelDir() {
 	return levelDir;
 }

src/server/ArgumentsSettings.h

@@ -4,20 +4,27 @@
 class ArgumentsSettings {
 public:
 	ArgumentsSettings(int numArguments, char** arguments);
+
 	std::string getExternalPath();
 	std::string getLevelName();
 	std::string getServerKey();
 	std::string getCachePath();
 	std::string getLevelDir();
+	std::string getGamemode();
+
 	bool getShowHelp();
+
 	int getPort();
 private:
 	std::string cachePath;
 	std::string externalPath;
 	std::string levelName;
+	std::string gamemode;
 	std::string levelDir;
 	std::string serverKey;
+
 	bool showHelp;
+	
 	int port;
 };
 

src/server/ServerLevel.cpp

@@ -12,8 +12,10 @@ ServerLevel::ServerLevel(LevelStorage* levelStorage, const std::string& levelNam
 void ServerLevel::updateSleepingPlayerList() {
 	bool allPlayersWasSleeping = allPlayersAreSleeping;
 	allPlayersAreSleeping = !players.empty();
+	
 	for (PlayerList::iterator it = players.begin(); it != players.end(); ++it) {
 		Player* player = *it;
+		
 		if (!player->isSleeping()) {
 			allPlayersAreSleeping = false;
 			break;
@@ -21,6 +23,7 @@ void ServerLevel::updateSleepingPlayerList() {
 	}
 	if (!allPlayersWasSleeping && allPlayersAreSleeping) {
 		levelEvent(NULL, LevelEvent::ALL_PLAYERS_SLEEPING, 0, 0, 0, 0);
+		
 		for (PlayerList::iterator it = players.begin(); it != players.end(); ++it) {
 			(*it)->setAllPlayersSleeping();
 		}
@@ -29,14 +32,17 @@ void ServerLevel::updateSleepingPlayerList() {
 
 void ServerLevel::awakenAllPlayers() {
 	allPlayersAreSleeping = false;
+	
 	for (PlayerList::iterator it = players.begin(); it != players.end(); ++it) {
 		Player* player = *it;
+		
 		if (player->isSleeping()) {
 			player->stopSleepInBed(false, false, true);
 			player->health = Player::MAX_HEALTH;
 			player->lastHealth = Player::MAX_HEALTH; 
 		}
 	}
+	
 	SetHealthPacket packet(Player::MAX_HEALTH);
 	raknetInstance->send(packet);
 }
@@ -57,11 +63,15 @@ bool ServerLevel::allPlayersSleeping() {
 
 void ServerLevel::tick() {
 	super::tick();
+
 	if (allPlayersSleeping()) {
 		long newTime = levelData.getTime() + TICKS_PER_DAY;
+		
 		levelData.setTime(newTime - (newTime % TICKS_PER_DAY));
+		
 		SetTimePacket packet(levelData.getTime());
 		raknetInstance->send(packet);
+		
 		awakenAllPlayers();
 	}
 }

src/server/ServerPlayer.cpp

@@ -22,11 +22,12 @@
 #include "network/packet/SendInventoryPacket.h"
 #include "world/entity/player/Inventory.h"
 
-ServerPlayer::ServerPlayer( Minecraft* minecraft, Level* level )
+ServerPlayer::ServerPlayer( Minecraft* minecraft, Level* level, bool proto)
 :   super(level, minecraft->isCreativeMode()),
 	_mc(minecraft),
 	_prevHealth(-999),
-	_containerCounter(0)
+	_containerCounter(0),
+	isNewProto(proto)
 {
 	// hasFakeInventory = true;
 	footSize = 0;
@@ -71,6 +72,7 @@ void ServerPlayer::take( Entity* e, int orgCount ) {
 	TakeItemEntityPacket packet(e->entityId, entityId);
 	// SendInventoryPacket packet(this, false);
 	_mc->raknetInstance->send(packet);
+	printf("TakeItemEntityPacket \n");
 
 	LOGI("Inventory:\n");
 	for (int i = 0; i < inventory->numLinkedSlots; i++) {
@@ -173,3 +175,12 @@ void ServerPlayer::displayClientMessage( const std::string& messageId ) {
 	ChatPacket package(messageId);
 	_mc->raknetInstance->send(owner, package);
 }
+
+void ServerPlayer::causeFallDamage(float distance) {
+	int dmg = (int) ceil((distance - 3));
+	if (dmg > 0) {
+		SetHealthPacket packet(SetHealthPacket::HEALTH_MODIFY_OFFSET + dmg);
+		_mc->raknetInstance->send(owner, packet);
+	}
+	super::causeFallDamage(distance);
+}

src/server/ServerPlayer.h

@@ -15,7 +15,7 @@ class ServerPlayer: public Player,
 {
     typedef Player super;
 public:
-    ServerPlayer(Minecraft* minecraft, Level* level);
+    ServerPlayer(Minecraft* minecraft, Level* level, bool proto);
 
 	~ServerPlayer();
 
@@ -43,6 +43,17 @@ public:
 	virtual void stopSleepInBed(bool forcefulWakeUp, bool updateLevelList, bool saveRespawnPoint);
 
 	void completeUsingItem();
+	
+	void setLastMoveTicks(int lastMoveTicks) { this->lastMoveTicks = lastMoveTicks; }
+	int getLastMoveTicks() { return lastMoveTicks; }
+
+	void setTicksInAir(int ticksInAir) { this->ticksInAir = ticksInAir; }
+	int getTicksInAir() { return ticksInAir; }
+
+	void setNewProto(bool proto) { isNewProto = proto; }
+	bool getProto() { return isNewProto; }
+
+	virtual void causeFallDamage(float distance);
 private:
 	void nextContainerCounter();
 	void setContainerMenu( BaseContainerMenu* menu );
@@ -50,6 +61,11 @@ private:
 	Minecraft* _mc;
     int _prevHealth;
 	int _containerCounter;
+
+	int lastMoveTicks = 0;
+	int ticksInAir = 0;
+
+	bool isNewProto = false;
 };
 
 #endif /*ServerPlayer_H__*/

src/world/entity/Entity.h

@@ -129,6 +129,7 @@ public:
 	virtual bool isHangingEntity();
 
 	virtual int getAuxData();
+	virtual void checkFallDamage(float ya, bool onGround);
 
 protected:
 	virtual void setRot(float yRot, float xRot);
@@ -137,7 +138,6 @@ protected:
 	virtual void resetPos(bool clearMore);
 	virtual void outOfWorld();
 
-	virtual void checkFallDamage(float ya, bool onGround);
 	virtual void causeFallDamage(float fallDamage2);
 	virtual void markHurt();
 

src/world/entity/Mob.cpp

@@ -729,7 +729,6 @@ bool Mob::isWaterMob()
 void Mob::aiStep()
 {
 	//@todo? 30 lines of code here in java version
-
 	TIMER_PUSH("ai");
 	if (isImmobile()) {
 		jumping = false;

src/world/entity/Mob.h

@@ -223,6 +223,9 @@ protected:
 	double xc, yc, zc;
 
 public:
+	void setxxa(float xxa) { this->xxa = xxa; }
+	void setyya(float yya) { this->yya = yya; }
+
 	// Cape position accessors (for renderers)
 	double getCapeX() const { return xCape; }
 	double getCapeY() const { return yCape; }

src/world/level/storage/ExternalFileLevelStorage.cpp

@@ -1,3 +1,6 @@
+#include <cstddef>
+#include <fstream>
+#include <ios>
 #if !defined(DEMO_MODE) && !defined(APPLE_DEMO_PROMOTION)
 
 #include "LevelData.h"
@@ -88,6 +91,9 @@ ExternalFileLevelStorage::ExternalFileLevelStorage(const std::string& levelId, c
 {
 	createFolderIfNotExists(levelPath.c_str());
 
+	std::string playerFolder = levelPath + "/players";
+	createFolderIfNotExists(playerFolder.c_str());
+
 	std::string datFileName   = levelPath + "/" + fnLevelDat;
 	std::string levelFileName = levelPath + "/" + fnPlayerDat;
 	loadedLevelData = new LevelData();
@@ -113,6 +119,7 @@ void ExternalFileLevelStorage::saveLevelData(LevelData& levelData, std::vector<P
 
 void ExternalFileLevelStorage::saveLevelData( const std::string& levelPath, LevelData& levelData, std::vector<Player*>* players )
 {
+	// @todo: completely rewrite
 	std::string directory = levelPath + "/";
     std::string tmpFile = directory + fnLevelDatNew;
     std::string datFile = directory + fnLevelDat;
@@ -141,6 +148,67 @@ void ExternalFileLevelStorage::saveLevelData( const std::string& levelPath, Leve
 
     // Remove the temporary save, if the rename didn't do it
     remove(tmpFile.c_str());
+
+	// Save players
+	// fuck mojang for that
+	if (!players || players->empty()) {
+		return;
+	}
+
+	for (auto& player : *players) {
+		if (player != NULL) {
+			savePlayer(*player, directory);
+		}
+	}
+}
+
+void ExternalFileLevelStorage::savePlayer(Player& player, const std::string& worldDir) {
+	std::string playerPath = worldDir + "/players/" + player.name + ".dat";
+
+	LOGI("Saving player %s to %s...\n", player.name.c_str(), playerPath.c_str());
+
+	RakNet::BitStream data;
+	RakDataOutput buf(data);
+	CompoundTag playerTag;
+	player.saveWithoutId(&playerTag);
+
+	NbtIo::write(&playerTag, &buf);
+
+	std::ofstream file(playerPath, std::ios::out | std::ios::binary);
+	file.write((const char*)data.GetData(), (size_t)data.GetNumberOfBytesUsed());
+}
+
+bool ExternalFileLevelStorage::loadPlayer(Player& player, const std::string& worldDir) {
+	std::string playerPath = worldDir + "/players/" + player.name + ".dat";
+
+	LOGI("Loading player %s from %s...\n", player.name.c_str(), playerPath.c_str());
+
+	std::ifstream file(playerPath, std::ios::in | std::ios::binary);
+	if (!file.is_open()) {
+		return false;
+	}
+
+	std::vector<uint8_t> data((std::istreambuf_iterator<char>(file)), std::istreambuf_iterator<char>());
+
+	RakNet::BitStream bitStream(data.data(), data.size(), false);
+	RakDataInput stream(bitStream);
+
+	CompoundTag* tag = NbtIo::read(&stream);
+	if (tag) {
+		player.load(tag);
+		tag->deleteChildren();
+		delete tag;
+	}
+
+	return true;
+}
+
+void ExternalFileLevelStorage::savePlayer(Player& player) {
+	ExternalFileLevelStorage::savePlayer(player, levelPath);
+}
+
+bool ExternalFileLevelStorage::loadPlayer(Player& player) {
+	return ExternalFileLevelStorage::loadPlayer(player, levelPath);
 }
 
 LevelData* ExternalFileLevelStorage::prepareLevel(Level* _level)

src/world/level/storage/ExternalFileLevelStorage.h

@@ -67,6 +67,19 @@ public:
 	void saveGame(Level* level);
     void saveAll(Level* level, std::vector<LevelChunk*>& levelChunks);
 
+	/**
+	 * @brief Save player to <world name>/player/<player name>.dat file
+	 */
+	static void savePlayer(Player& player, const std::string& worldDir);
+
+	/**
+	 * @brief Load player from <world name>/player/<player name>.dat file
+	 */
+	static bool loadPlayer(Player& player, const std::string& worldDir);
+
+	virtual void savePlayer(Player& player);
+	virtual bool loadPlayer(Player& player);
+
 	virtual void tick();
 	virtual void flush() {}
 private:

src/world/level/storage/LevelStorage.h

@@ -32,6 +32,9 @@ public:
 	virtual void saveGame(Level* level) {}
 	virtual void loadEntities(Level* level, LevelChunk* levelChunk) {}
 
+	virtual void savePlayer(Player& player) = 0;
+	virtual bool loadPlayer(Player& player) = 0;
+
 	//void checkSession() throws LevelConflictException;
 	//PlayerIO getPlayerIO();
 };