From 35117a5d8b464dfddc76e2eceec16b4ba15baaa2 Mon Sep 17 00:00:00 2001
From: Sveske_Juice <carl.benjamin.dreyer@gmail.com>
Date: Sun, 17 Mar 2024 17:55:35 +0100
Subject: [PATCH] Send game state to client rpc with tick info.

Still WIP on fields in game state (should include player pos, enemies in future)
---
 Assets/Scripts/Rope/GameState.cs      | 14 ++++++++++++++
 Assets/Scripts/Rope/GameState.cs.meta |  2 ++
 Assets/Scripts/Rope/RopeSimulator.cs  | 27 +++++++++++++++++++++++++--
 3 files changed, 41 insertions(+), 2 deletions(-)
 create mode 100644 Assets/Scripts/Rope/GameState.cs
 create mode 100644 Assets/Scripts/Rope/GameState.cs.meta

diff --git a/Assets/Scripts/Rope/GameState.cs b/Assets/Scripts/Rope/GameState.cs
new file mode 100644
index 0000000..d174b65
--- /dev/null
+++ b/Assets/Scripts/Rope/GameState.cs
@@ -0,0 +1,14 @@
+using Unity.Netcode;
+
+[System.Serializable]
+public struct GameState : INetworkSerializable
+{
+    public int tick;
+    public NetworkRope nrope;
+
+    public void NetworkSerialize<T>(BufferSerializer<T> serializer) where T : IReaderWriter
+    {
+        serializer.SerializeValue(ref tick);
+        nrope.NetworkSerialize(serializer);
+    }
+}
diff --git a/Assets/Scripts/Rope/GameState.cs.meta b/Assets/Scripts/Rope/GameState.cs.meta
new file mode 100644
index 0000000..6a12a68
--- /dev/null
+++ b/Assets/Scripts/Rope/GameState.cs.meta
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 1cdca75ffd9bfc5b9b1c9ffe1a501dcf
\ No newline at end of file
diff --git a/Assets/Scripts/Rope/RopeSimulator.cs b/Assets/Scripts/Rope/RopeSimulator.cs
index 0951d2f..0634624 100644
--- a/Assets/Scripts/Rope/RopeSimulator.cs
+++ b/Assets/Scripts/Rope/RopeSimulator.cs
@@ -66,11 +66,13 @@ public class RopeSimulator : NetworkBehaviour
     [SerializeField] float pullAnimationOvershootThreshold = 0.2f;
 
     [Header("Netcode")]
+    private const float k_serverTickRate = 60f;
     private const int k_rngSeed = 6969;
     private const float k_sendRopeDataDelay = 8f;
     public float k_ropeReconciliateThreshold = 10f;
     private System.Random rng = new System.Random(k_rngSeed);
     private CountdownTimer ropeSendTimer;
+    private int currentTick => NetworkManager.Singleton.NetworkTickSystem.LocalTime.Tick;
 
     private int[] order;
 
@@ -97,18 +99,22 @@ public class RopeSimulator : NetworkBehaviour
         }
 
         ropeSendTimer = new(k_sendRopeDataDelay);
+
         // ropeSendTimer.OnTimerStop += SendRopeData;
         ropeSendTimer.Start();
+
     }
 
     private void OnEnable()
     {
         GameManager.OnPlayersReady += PlayersReady;
+        NetworkManager.Singleton.NetworkTickSystem.Tick += SendGameState;
     }
 
     private void OnDisable()
     {
         GameManager.OnPlayersReady -= PlayersReady;
+        NetworkManager.Singleton.NetworkTickSystem.Tick -= SendGameState;
     }
 
     public void PlayersReady(GameObject[] players)
@@ -293,6 +299,24 @@ public class RopeSimulator : NetworkBehaviour
         // }
     }
 
+    [Rpc(SendTo.NotServer)]
+    private void ServerToClientGameStateRpc(GameState serverState)
+    {
+        Debug.Log($"Received server state. Server tick: {serverState.tick}, client: {currentTick}");
+    }
+
+    private void SendGameState()
+    {
+        if (!IsServer) return;
+
+        GameState serverState = new() {
+            tick = currentTick,
+            nrope = Rope.ToNetworkRope(this.rope)
+        };
+
+        ServerToClientGameStateRpc(serverState);
+    }
+
     private void SendRopeData()
     {
         if (!IsServer) return;
@@ -319,7 +343,6 @@ public class RopeSimulator : NetworkBehaviour
 
         float ropeDiff = Simulate(Time.fixedDeltaTime);
         ropeSendTimer.Tick(Time.deltaTime);
-        Debug.Log(ropeSendTimer.Progress);
 
         // Update the rope collider positions
         for (int i = 0; i < rope.points.Length; i++)
@@ -363,7 +386,7 @@ public class RopeSimulator : NetworkBehaviour
         }
 
         DrawRope();
-        SendRopeData();
+        // SendRopeData();
     }
 
     private void PlayerPullAnimation(float overshoot)