From fd710e2cb6cd94d53000374406ffa7d31a3b8824 Mon Sep 17 00:00:00 2001
From: Barry Kane <barra@ocathain.ie>
Date: Tue, 25 Jul 2023 23:32:11 +0100
Subject: [PATCH] Added tick numbers.

---
 src/client/cspt-client.c | 8 ++++++++
 src/cspt-state.c         | 8 ++++++++
 src/cspt-state.h         | 2 ++
 3 files changed, 18 insertions(+)

diff --git a/src/client/cspt-client.c b/src/client/cspt-client.c
index b232449..ca78611 100644
--- a/src/client/cspt-client.c
+++ b/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;
 						}
diff --git a/src/cspt-state.c b/src/cspt-state.c
index 8a9f387..14ad76a 100644
--- a/src/cspt-state.c
+++ b/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:
diff --git a/src/cspt-state.h b/src/cspt-state.h
index 39336de..a6e63b7 100644
--- a/src/cspt-state.h
+++ b/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];
 };