Began segmenting the server's code

I've created a separate branch for this because it's gonna be a bitch to
get compiled, and then I'll still have to ensure that the client & server
are work together correctly.

This build does not compile.

server/server_internals.cpp

@@ -0,0 +1,166 @@
+/* Copyright: (c) Kayne Ruse 2014
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#include "server_application.hpp"
+
+#include "server_utility.hpp"
+
+#include <stdexcept>
+#include <iostream>
+#include <string>
+
+//-------------------------
+//Define the public members
+//-------------------------
+
+void ServerApplication::Init(int argc, char** argv) {
+	//NOTE: I might need to rearrange the init process so that lua & SQL can interact with the map system as needed.
+	std::cout << "Beginning startup" << std::endl;
+
+	//initial setup
+	config.Load("rsc\\config.cfg");
+
+	//Init SDL
+	if (SDL_Init(0)) {
+		throw(std::runtime_error("Failed to initialize SDL"));
+	}
+	std::cout << "Initialized SDL" << std::endl;
+
+	//Init SDL_net
+	if (SDLNet_Init()) {
+		throw(std::runtime_error("Failed to initialize SDL_net"));
+	}
+	network.Open(config.Int("server.port"), PACKET_BUFFER_SIZE);
+	std::cout << "Initialized SDL_net" << std::endl;
+
+	//Init SQL
+	int ret = sqlite3_open_v2(config["server.dbname"].c_str(), &database, SQLITE_OPEN_READWRITE|SQLITE_OPEN_CREATE, nullptr);
+	if (ret != SQLITE_OK || !database) {
+		throw(std::runtime_error(std::string() + "Failed to initialize SQL: " + sqlite3_errmsg(database) ));
+	}
+	std::cout << "Initialized SQL" << std::endl;
+
+	//setup the database
+	if (runSQLScript(database, config["dir.scripts"] + "setup_server.sql")) {
+		throw(std::runtime_error("Failed to initialize SQL's setup script"));
+	}
+	std::cout << "Initialized SQL's setup script" << std::endl;
+
+	//lua
+	luaState = luaL_newstate();
+	if (!luaState) {
+		throw(std::runtime_error("Failed to initialize lua"));
+	}
+	luaL_openlibs(luaState);
+	std::cout << "Initialized lua" << std::endl;
+
+	//run the startup script
+	if (luaL_dofile(luaState, (config["dir.scripts"] + "setup_server.lua").c_str())) {
+		throw(std::runtime_error(std::string() + "Failed to initialize lua's setup script: " + lua_tostring(luaState, -1) ));
+	}
+	std::cout << "Initialized lua's setup script" << std::endl;
+
+	//setup the map object
+	regionPager.GetAllocator()->SetLuaState(luaState);
+	regionPager.GetFormat()->SetLuaState(luaState);
+	//TODO: config parameter
+	regionPager.GetFormat()->SetSaveDir("save/mapname/");
+
+	std::cout << "Initialized the map system" << std::endl;
+	std::cout << "\tsizeof(SerialPacket): " << sizeof(SerialPacket) << std::endl;
+	std::cout << "\tPACKET_BUFFER_SIZE: " << PACKET_BUFFER_SIZE << std::endl;
+
+	//finalize the startup
+	std::cout << "Startup completed successfully" << std::endl;
+
+	//debugging
+	//
+}
+
+void ServerApplication::Proc() {
+	SerialPacket packet;
+	while(running) {
+		//suck in the waiting packets & process them
+		while(network.Receive()) {
+			//get the packet
+			deserialize(&packet, network.GetInData());
+			//cache the source address
+			packet.meta.srcAddress = network.GetInPacket()->address;
+			//we need to go deeper
+			HandlePacket(packet);
+		}
+		//give the computer a break
+		SDL_Delay(10);
+	}
+}
+
+void ServerApplication::Quit() {
+	std::cout << "Shutting down" << std::endl;
+
+	//save the server state
+	//TODO: save the existing players
+
+	//empty the members
+	regionPager.UnloadAll();
+
+	//APIs
+	lua_close(luaState);
+	sqlite3_close_v2(database);
+	network.Close();
+	SDLNet_Quit();
+	SDL_Quit();
+
+	std::cout << "Shutdown finished" << std::endl;
+}
+
+//-------------------------
+//Define the uber switch
+//-------------------------
+
+void ServerApplication::HandlePacket(SerialPacket packet) {
+	switch(packet.meta.type) {
+		case SerialPacket::Type::BROADCAST_REQUEST:
+			HandleBroadcastRequest(packet);
+		break;
+		case SerialPacket::Type::JOIN_REQUEST:
+			HandleJoinRequest(packet);
+		break;
+		case SerialPacket::Type::SYNCHRONIZE:
+			HandleSynchronize(packet);
+		break;
+		case SerialPacket::Type::DISCONNECT:
+			HandleDisconnect(packet);
+		break;
+		case SerialPacket::Type::SHUTDOWN:
+			HandleShutdown(packet);
+		break;
+		case SerialPacket::Type::PLAYER_UPDATE:
+			HandlePlayerUpdate(packet);
+		break;
+		case SerialPacket::Type::REGION_REQUEST:
+			HandleRegionRequest(packet);
+		break;
+		//handle errors
+		default:
+			throw(std::runtime_error("Unknown SerialPacket::Type encountered"));
+		break;
+	}
+}