update

src/client/Minecraft.cpp

@@ -186,8 +186,7 @@ Minecraft::Minecraft() :
 	commandPort(4711),
 	reserved_d1(0),reserved_d2(0),
 	reserved_f1(0),reserved_f2(0), options(this),
-	m_commandManager(),
-	m_pluginsManager(*level)
+	m_commandManager()
 {
 	//#ifdef ANDROID
 
@@ -1215,6 +1214,8 @@ void Minecraft::init()
 	checkGlError("Init complete");
 #endif
 
+	PluginsManager::get().init(*this);
+	
 	options.load();
 
 	setIsCreativeMode(false); // false means it's Survival Mode

src/client/Minecraft.h

@@ -245,8 +245,6 @@ private:
 	CommandServer* _commandServer;
 
 	CommandManager m_commandManager;
-
-	PluginsManager m_pluginsManager;
 };
 
 #endif /*NET_MINECRAFT_CLIENT__Minecraft_H__*/

src/main_dedicated.cpp

@@ -15,16 +15,16 @@
 #include "platform/time.h"
 #include "SharedConstants.h"
 #include "world/level/LevelConstants.h"
-#include <sol/sol.hpp>
+#include <plugins/PluginsManager.hpp>
 
 #define MAIN_CLASS NinecraftApp
 static App* g_app = 0;
 static int g_exitCode = 0;
 void signal_callback_handler(int signum) {
 	std::cout << "Signum caught: " << signum << std::endl;
-	if(signum == 2 || signum == 3){ // SIGINT ||  SIGQUIT
 
-		if(g_app != 0) {
+	if (signum == 2 || signum == 3) { // SIGINT ||  SIGQUIT
+		if (g_app != 0) {
 			g_app->quit();
 		} else {
 			exit(g_exitCode);
@@ -162,6 +162,7 @@ int main(int numArguments, char* pszArgs[]) {
 	float startTime = getTimeS();
 	((MAIN_CLASS*)g_app)->selectLevel(levelDir, levelName, settings);
 	((MAIN_CLASS*)g_app)->hostMultiplayer(port);
+	PluginsManager::get().loadPlugins();
 
 	// Reading ops
 	std::ifstream ops("ops.txt");
@@ -201,18 +202,10 @@ int main(int numArguments, char* pszArgs[]) {
 		}
 	}
 
-	std::string pluginsFolder = "plugins/";
-	struct stat sb;
-
-	if (stat(pluginsFolder.c_str(), &sb) == 0) {
-
-	} else {
-
-	}
-
 	std::cout << "Level has been generated in " << getTimeS() - startTime << std::endl;
 	((MAIN_CLASS*)g_app)->level->saveLevelData();
 	std::cout << "Level has been saved!" << std::endl;
+	PluginsManager::get().emit("ServerLoaded");
 
 	while(!app->wantToQuit()) {
 		app->update();

src/network/ServerSideNetworkHandler.cpp

@@ -39,6 +39,7 @@
 #endif
 #include "../server/ServerPlayer.h"
 #include "../world/entity/item/FallingTile.h"
+#include <plugins/LuaPlayer.hpp>
 
 #define TIMES(x) for(int itc ## __LINE__ = 0; itc ## __LINE__ < x; ++ itc ## __LINE__)
 
@@ -163,12 +164,12 @@ void ServerSideNetworkHandler::handle(const RakNet::RakNetGUID& source, ChatPack
 	
 	if (packet->message[0] == '/') {
 		// This is a command
-
 		ChatPacket resp(minecraft->commandManager().execute(*minecraft, *player, Util::stringTrim(packet->message.substr(1))));
 		return sendPrivate(resp, source);
 	}
 
 	displayGameMessage("<" + player->name + "> " + packet->message);
+	PluginsManager::get().emit("Message", LuaPlayer(source), packet->message);
 }
 
 void ServerSideNetworkHandler::onNewClient(const RakNet::RakNetGUID& clientGuid)
@@ -193,6 +194,7 @@ void ServerSideNetworkHandler::onDisconnect(const RakNet::RakNetGUID& guid)
 			std::string message = player->name;
 			message += " disconnected from the game";
 			displayGameMessage(message);
+			PluginsManager::get().emit("PlayerDisconnect", LuaPlayer(guid));
 
 			//RemoveEntityPacket packet(player->entityId);
 			//raknetInstance->send(packet);
@@ -349,6 +351,7 @@ void ServerSideNetworkHandler::onReady_ClientGeneration(const RakNet::RakNetGUID
 #else
 	LOGW("%s joined the game\n", newPlayer->name.c_str());
 #endif
+	PluginsManager::get().emit("PlayerJoin", LuaPlayer(source));
 
 	// Send all Entities to the new player
 	for (unsigned int i = 0; i < level->entities.size(); ++i) {
@@ -458,7 +461,7 @@ void ServerSideNetworkHandler::handle(const RakNet::RakNetGUID& source, MovePlay
 	}
 }
 
-void ServerSideNetworkHandler::handle(const RakNet::RakNetGUID& source, RemoveBlockPacket* packet){
+void ServerSideNetworkHandler::handle(const RakNet::RakNetGUID& source, RemoveBlockPacket* packet) {
 	if (!level) return;
 
 	Player* player = getPlayer(source);

src/network/ServerSideNetworkHandler.h

@@ -66,7 +66,7 @@ public:
 	Player* popPendingPlayer(const RakNet::RakNetGUID& source);
 
 	void displayGameMessage(const std::string& message);
-private:
+
 	/**
 	 * @brief Send packet to all players
 	 */
@@ -78,6 +78,8 @@ private:
 	void sendPrivate(Packet& packet, const RakNet::RakNetGUID& source);
 
 	Player* getPlayer(const RakNet::RakNetGUID& source);
+	
+private:
 
 	Minecraft*					minecraft;
 	Level*						level;

src/plugins/LuaPlayer.hpp

@@ -0,0 +1,54 @@
+#pragma once
+#include <cstdint>
+#include <raknet/RakNetTypes.h>
+#include <plugins/PluginsManager.hpp>
+#include <network/ServerSideNetworkHandler.h>
+#include <world/entity/player/Player.h>
+#include <client/Minecraft.h>
+
+class LuaPlayer {
+public:
+    LuaPlayer(const RakNet::RakNetGUID source) : m_source(source) {}
+
+    std::string getNickname() {
+        auto mc = PluginsManager::get().getMinecraft();
+        ServerSideNetworkHandler* ss = (ServerSideNetworkHandler*) mc->netCallback;
+
+        auto plr = ss->getPlayer(m_source);
+        if (plr != nullptr) return plr->name;
+
+        return "";
+    }
+
+    float getX() {
+        auto mc = PluginsManager::get().getMinecraft();
+        ServerSideNetworkHandler* ss = (ServerSideNetworkHandler*) mc->netCallback;
+
+        auto plr = ss->getPlayer(m_source);
+        if (plr != nullptr) return plr->x;
+
+        return 0;
+    }
+
+    float getY() {
+        auto mc = PluginsManager::get().getMinecraft();
+        ServerSideNetworkHandler* ss = (ServerSideNetworkHandler*) mc->netCallback;
+
+        auto plr = ss->getPlayer(m_source);
+        if (plr != nullptr) return plr->y;
+
+        return 0;
+    }
+
+    float getZ() {
+        auto mc = PluginsManager::get().getMinecraft();
+        ServerSideNetworkHandler* ss = (ServerSideNetworkHandler*) mc->netCallback;
+
+        auto plr = ss->getPlayer(m_source);
+        if (plr != nullptr) return plr->z;
+
+        return 0;
+    }
+private:
+    const RakNet::RakNetGUID m_source;
+};

src/plugins/LuaServer.cpp

@@ -0,0 +1,11 @@
+#include <plugins/LuaServer.hpp>
+#include <plugins/PluginsManager.hpp>
+#include <network/ServerSideNetworkHandler.h>
+#include <client/Minecraft.h>
+
+void LuaServer::sendServerMessage(std::string msg)  {
+    auto mc = PluginsManager::get().getMinecraft();
+    ServerSideNetworkHandler* ss = (ServerSideNetworkHandler*) mc->netCallback;
+
+    ss->displayGameMessage(msg);
+}

src/plugins/LuaServer.hpp

@@ -0,0 +1,7 @@
+#pragma once
+#include <string>
+
+class LuaServer {
+public:
+    void sendServerMessage(std::string msg);
+};

src/plugins/PluginsManager.cpp

@@ -1,16 +1,48 @@
 #include <plugins/PluginsManager.hpp>
-#include <world/level/Level.h>
+#include <plugins/LuaPlayer.hpp>
+#include <plugins/LuaServer.hpp>
 
-PluginsManager::PluginsManager(Level& level) : m_level(level) { 
+#include <client/Minecraft.h>
+#include <filesystem>
+
+namespace fs = std::filesystem;
+
+void PluginsManager::init(Minecraft& minecraft) {
     m_lua.open_libraries(sol::lib::base);
-
     registerTypes();
+
+    m_minecraft = &minecraft;    
 }
 
 void PluginsManager::registerTypes() {
-    m_lua.set_function("subscribe", &PluginsManager::subscribe);
+    // @note you cant just do that, because lua doesnt have access to the class in this case
+    // m_lua.set_function("subscribe", &PluginsManager::subscribe);
+
+    m_lua.set_function("subscribe", [this](std::string event, sol::protected_function func) {
+        // @note: why the .at() not working?
+        m_callbacks[event].push_back(func);
+    });
+    
+    m_lua.new_usertype<LuaServer>(
+        "Server",
+        "sendMessage", &LuaServer::sendServerMessage
+    );
+
+    m_lua.new_usertype<LuaPlayer>(
+        "Player",
+        "getNickname", &LuaPlayer::getNickname,
+        "getX", &LuaPlayer::getX,
+        "getY", &LuaPlayer::getY,
+        "getZ", &LuaPlayer::getZ
+    );
+
+    m_lua["Server"] = &m_srv;
 }
 
-void PluginsManager::subscribe(std::string event, sol::function function) {
-    m_callbacks.at(event).push_back(function);
+void PluginsManager::loadPlugins() {
+    std::string path = "plugins/";
+
+    for (const auto & entry : fs::directory_iterator(path)) {
+        m_lua.script_file(entry.path().string());
+    }
 }

src/plugins/PluginsManager.hpp

@@ -2,19 +2,48 @@
 #include <unordered_map>
 #include <sol/sol.hpp>
 #include <vector>
+#include <plugins/LuaServer.hpp>
 
-class Level;
+class Minecraft;
 
 class PluginsManager {
 public:
-    PluginsManager(Level& level);
+    static inline PluginsManager& get() {
+        static PluginsManager inst;
+        return inst;
+    }
+
+    void init(Minecraft& minecraft);
 
     void registerTypes();
 
-    void subscribe(std::string event, sol::function function);
+    void loadPlugins();
+
+    // @ai @note maybe we should rewrite it...
+    // problem that i dont know how to pass args in sol::function dynamically
+    // so i used ai
+    // sry :(
+    template<typename... Args>
+    void emit(std::string event, Args&&... args) {
+        auto it = m_callbacks.find(event);
+
+        if (it == m_callbacks.end()) return;
+
+        for (auto& callback : it->second) {
+            sol::protected_function_result result = callback(std::forward<Args>(args)...);
+
+            if (!result.valid()) {
+                sol::error err = result;
+                std::cout << err.what() << std::endl;
+            }
+        }
+    }   
+
+    Minecraft* getMinecraft() { return m_minecraft; }
 private:
     std::unordered_map<std::string, std::vector<sol::function>> m_callbacks;
 
+    LuaServer  m_srv;
     sol::state m_lua;
-    Level& m_level;
+    Minecraft* m_minecraft;
 };