From 15d0079a2dbf52ca9ae01624866d44e4df3a289d Mon Sep 17 00:00:00 2001
From: Sveske_Juice <carl.benjamin.dreyer@gmail.com>
Date: Mon, 27 May 2024 12:19:16 +0200
Subject: [PATCH] Save ropestate and send RPC

---
 Assets/Scenes/RopeOverhaulGame.unity          | 24 ++++++++++-
 Assets/Scripts/HeathSystem/HealthComponent.cs |  1 +
 Assets/Scripts/Rope/RopeSimulator.cs          | 42 ++++++++++++++++++-
 3 files changed, 63 insertions(+), 4 deletions(-)

diff --git a/Assets/Scenes/RopeOverhaulGame.unity b/Assets/Scenes/RopeOverhaulGame.unity
index efb6844..76318a0 100644
--- a/Assets/Scenes/RopeOverhaulGame.unity
+++ b/Assets/Scenes/RopeOverhaulGame.unity
@@ -2240,6 +2240,7 @@ GameObject:
   - component: {fileID: 34894283}
   - component: {fileID: 34894284}
   - component: {fileID: 34894285}
+  - component: {fileID: 34894286}
   m_Layer: 0
   m_Name: Rope
   m_TagString: Untagged
@@ -2275,8 +2276,6 @@ MonoBehaviour:
   m_Name: 
   m_EditorClassIdentifier: 
   solveIterations: 10
-  ropeStart: {fileID: 0}
-  ropeEnd: {fileID: 0}
   subDivision: 20
   distBetweenRopePoints: 1.5
   lineRenderer: {fileID: 34894285}
@@ -2390,6 +2389,27 @@ LineRenderer:
   m_UseWorldSpace: 1
   m_Loop: 0
   m_ApplyActiveColorSpace: 1
+--- !u!114 &34894286
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 34894282}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: d5a57f767e5e46a458fc5d3c628d0cbb, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  GlobalObjectIdHash: 1869519831
+  InScenePlacedSourceGlobalObjectIdHash: 0
+  AlwaysReplicateAsRoot: 0
+  SynchronizeTransform: 1
+  ActiveSceneSynchronization: 0
+  SceneMigrationSynchronization: 1
+  SpawnWithObservers: 1
+  DontDestroyWithOwner: 0
+  AutoObjectParentSync: 1
 --- !u!1001 &37294573
 PrefabInstance:
   m_ObjectHideFlags: 0
diff --git a/Assets/Scripts/HeathSystem/HealthComponent.cs b/Assets/Scripts/HeathSystem/HealthComponent.cs
index 72459e6..4baeeee 100644
--- a/Assets/Scripts/HeathSystem/HealthComponent.cs
+++ b/Assets/Scripts/HeathSystem/HealthComponent.cs
@@ -87,6 +87,7 @@ public class HealthComponent : MonoBehaviour, ISquezeDamageReceiver
 
     void Update()
     {
+        return;
         // blod regen
         if (bloodRegen)
         {
diff --git a/Assets/Scripts/Rope/RopeSimulator.cs b/Assets/Scripts/Rope/RopeSimulator.cs
index f988adc..1795af7 100644
--- a/Assets/Scripts/Rope/RopeSimulator.cs
+++ b/Assets/Scripts/Rope/RopeSimulator.cs
@@ -3,7 +3,7 @@ using UnityEngine.Assertions;
 using System.Linq;
 using Unity.Netcode;
 
-public class RopeSimulator : MonoBehaviour
+public class RopeSimulator : NetworkBehaviour
 {
     [Header("Solver")]
     [SerializeField] int solveIterations = 10;
@@ -20,13 +20,14 @@ public class RopeSimulator : MonoBehaviour
 
     [Header("Networking")]
     [SerializeField] CircularBuffer<RopeState> stateBuffer;
+    [SerializeField] float reconciliateThreshold = 1f;
     private const int k_stateBufferSize = 128;
     private int currentTick => NetworkManager.Singleton.NetworkTickSystem.LocalTime.Tick;
 
     private void Awake()
     {
+        this.rope = null;
         stateBuffer = new CircularBuffer<RopeState>(k_stateBufferSize);
-
     }
 
     private void OnEnable()
@@ -37,10 +38,15 @@ public class RopeSimulator : MonoBehaviour
     private void OnDisable()
     {
         GameManager.OnPlayersReady += Init;
+
+        if (NetworkManager.Singleton != null)
+            NetworkManager.Singleton.NetworkTickSystem.Tick -= NetworkTick;
     }
 
     private void Update()
     {
+        if (rope == null) return;
+
         rope.points.First().position = ropeStart.position;
         rope.points.Last().position = ropeEnd.position;
         Simulate(this.rope, Time.deltaTime, this.distBetweenRopePoints, this.solveIterations);
@@ -54,6 +60,38 @@ public class RopeSimulator : MonoBehaviour
         this.ropeEnd = players[1].transform;
 
         this.rope = RopeSimulator.BuildRope(this.ropeStart, this.ropeEnd, this.subDivision, this.distBetweenRopePoints);
+        NetworkManager.Singleton.NetworkTickSystem.Tick += NetworkTick;
+    }
+
+    private void NetworkTick()
+    {
+        RopeState ropeState = new()
+        {
+            tick = currentTick,
+            nrope = Rope.ToNetworkRope(this.rope)
+        };
+
+        stateBuffer.Add(ropeState, currentTick);
+
+        if (IsServer)
+        {
+            ServerToClientRopeStateRpc(ropeState);
+        }
+    }
+
+    [Rpc(SendTo.NotServer)]
+    private void ServerToClientRopeStateRpc(RopeState serverState)
+    {
+        RopeState clientState = this.stateBuffer.Get(serverState.tick);
+        Rope serverRope = Rope.FromNetworkRope(serverState.nrope, this.distBetweenRopePoints);
+        Rope previousClientRope = Rope.FromNetworkRope(clientState.nrope, this.distBetweenRopePoints);
+        float diff = Rope.CalcDiff(previousClientRope, serverRope);
+        Debug.Log($"Diff: {diff}, ({serverState.tick})/({clientState.tick})");
+
+        if (diff > reconciliateThreshold)
+        {
+            this.rope = serverRope;
+        }
     }
 
     private void DisplayRope()