Added tick numbers.

src/client/cspt-client.c

@@ -159,21 +159,25 @@ void * graphicsThreadHandler(void * parameters)
 					{
 						case SDLK_LEFT:
 						{
+							message->tickNumber = state->tickNumber;
 							message->left = true;
 							break;
 						}
 						case SDLK_RIGHT:
 						{
+							message->tickNumber = state->tickNumber;
 							message->right = true;
 							break;
 						}
 						case SDLK_UP:
 						{
+							message->tickNumber = state->tickNumber;
 							message->up = true;
 							break;
 						}
 						case SDLK_DOWN:
 						{
+							message->tickNumber = state->tickNumber;
 							message->down = true;
 							break;
 						}
@@ -190,21 +194,25 @@ void * graphicsThreadHandler(void * parameters)
 					{
 						case SDLK_LEFT:
 						{
+							message->tickNumber = state->tickNumber;
 							message->left = false;
 							break;
 						}
 						case SDLK_RIGHT:
 						{
+							message->tickNumber = state->tickNumber;
 							message->right = false;
 							break;
 						}
 						case SDLK_UP:
 						{
+							message->tickNumber = state->tickNumber;
 							message->up = false;
 							break;
 						}
 						case SDLK_DOWN:
 						{
+							message->tickNumber = state->tickNumber;
 							message->down = false;
 							break;
 						}

src/cspt-state.c

@@ -14,6 +14,14 @@ void updateInput(struct gameState * state, struct clientInput * message)
 
 void doGameTick(struct gameState * state)
 {
+	if ((state->tickNumber % UINT64_MAX) == 0)
+	{
+		state->tickNumber = 0;
+	}
+	else
+	{
+		state->tickNumber++;
+	}
 	for (int index = 0; index < 16; index++)
 	{
 		// Calculate acceleration:

src/cspt-state.h

@@ -13,11 +13,13 @@ struct clientMovement
 struct clientInput
 {
 	int clientNumber;
+	uint64_t tickNumber;
 	bool left, right, up, down;
 };
 
 struct gameState
 {
+	uint64_t tickNumber;
 	struct timeval timestamp; 
 	struct clientMovement clients[16];
 };