Smooth connection and disconnection complete

The clients can connect and disconnect from the server with known no
issues. There is no way to shutdown the server yet, but it might be
possible to kick someone else from the server soon.

libs/common/defines.cpp

@@ -0,0 +1,9 @@
+#include "defines.hpp"
+
+#include <cstdio>
+
+std::string itos(int i) {
+	char buffer[20];
+	snprintf(buffer, 20, "%d", i);
+	return std::string(buffer);
+}

libs/common/defines.hpp

@@ -2,10 +2,13 @@
 #define DEFINES_HPP
 
 #include <chrono>
+#include <string>
 
 #define GAME_CHANNEL 0
 #define CHAT_CHANNEL 1
 
 typedef std::chrono::high_resolution_clock Clock;
 
+std::string itos(int i);
+
 #endif

libs/common/network_queue.cpp

@@ -31,7 +31,7 @@ static int networkQueue(void*) {
 	return 0;
 }
 
-void BeginQueueThread() {
+void beginQueueThread() {
 	if (running) {
 		return;
 	}
@@ -41,7 +41,7 @@ void BeginQueueThread() {
 	}
 }
 
-void EndQueueThread() {
+void endQueueThread() {
 	if (!running) {
 		return;
 	}
@@ -50,7 +50,7 @@ void EndQueueThread() {
 	queueThread = nullptr;
 }
 
-void KillQueueThread() {
+void killQueueThread() {
 	if (!running) {
 		return;
 	}
@@ -78,4 +78,12 @@ Packet popNetworkPacket() {
 	}
 	SDL_SemPost(lock);
 	return p;
+}
+
+void flushNetworkQueue() {
+	UDPNetworkUtility* netUtil = ServiceLocator<UDPNetworkUtility>::Get();
+	SDL_SemWait(lock);
+	while(netUtil->Receive());
+	queue.clear();
+	SDL_SemPost(lock);
 }

libs/common/network_queue.hpp

@@ -3,10 +3,11 @@
 
 #include "packet_type.hpp"
 
-void BeginQueueThread();
-void EndQueueThread();
-void KillQueueThread();
+void beginQueueThread();
+void endQueueThread();
+void killQueueThread();
 Packet peekNetworkPacket();
 Packet popNetworkPacket();
+void flushNetworkQueue();
 
 #endif

libs/common/packet_type.hpp

@@ -62,6 +62,7 @@ struct JoinResponse {
 
 struct Disconnect {
 	Metadata meta;
+	int clientIndex;
 };
 
 struct Synchronize {