From 4811f2ff3795fe412b07695969dfbb66b5c63554 Mon Sep 17 00:00:00 2001
From: Arnaut <arnautscholten1996@gmail.com>
Date: Fri, 4 Jun 2021 14:49:00 +0200
Subject: [PATCH] Add component to entity wear based on changes in temperature

---
 Assets/Scripts/ServerShared/Entity.cs   | 9 +++++++--
 Assets/Scripts/ServerShared/Settings.cs | 1 +
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/Assets/Scripts/ServerShared/Entity.cs b/Assets/Scripts/ServerShared/Entity.cs
index 97871f50e..3372f3671 100644
--- a/Assets/Scripts/ServerShared/Entity.cs
+++ b/Assets/Scripts/ServerShared/Entity.cs
@@ -1157,6 +1157,7 @@ public class EquippedItem
     public Subject<(uint id, float v)> AudioParameters { get; } = new Subject<(uint id, float v)>();
     public Dictionary<uint, float> AudioParameterValues { get; } = new Dictionary<uint, float>();
 
+    private float oldTemperature;
     public float Temperature
     {
         get
@@ -1256,6 +1257,7 @@ public class EquippedItem
             pow(item.Quality, ItemManager.GameplaySettings.DurabilityQualityExponent));
         var hullData = itemManager.GetData(entity.Hull);
         InsetShape = hullData.Shape.Inset(Data.Shape, position, item.Rotation);
+        if (Entity.Temperature != null) oldTemperature = Temperature;
 
         Online = new ReadOnlyReactiveProperty<bool>(ThermalOnline
             .CombineLatest(DurabilityOnline, (thermal, durability) => thermal && durability).DistinctUntilChanged());
@@ -1310,17 +1312,20 @@ public class EquippedItem
     }
 
     public void UpdatePerformance()
-    {
+    {        
         var temp = Temperature;
         ThermalPerformance = Data.Performance(temp);
+        var deltaTemp = math.abs(temp - oldTemperature);
         DurabilityPerformance = EquippableItem.Durability / Data.Durability;
         var performanceThreshold = Entity.Settings.ShutdownPerformance;
         Wear = (1 - pow(ThermalPerformance,
                 (1 - pow(EquippableItem.Quality, ItemManager.GameplaySettings.QualityWearExponent)) *
-                ItemManager.GameplaySettings.ThermalWearExponent)
+                ItemManager.GameplaySettings.ThermalWearExponent) +
+                deltaTemp * ItemManager.GameplaySettings.DeltaTempWearExponent            
             ) * Data.Durability / Data.ThermalResilience;
         ThermalOnline.Value = ThermalPerformance > performanceThreshold || Entity.OverrideShutdown && EquippableItem.OverrideShutdown;
         DurabilityOnline.Value = EquippableItem.Durability > .01f;
+        oldTemperature = temp;
     }
 
     public void Update(float delta)
diff --git a/Assets/Scripts/ServerShared/Settings.cs b/Assets/Scripts/ServerShared/Settings.cs
index 51846b55a..8222d0127 100644
--- a/Assets/Scripts/ServerShared/Settings.cs
+++ b/Assets/Scripts/ServerShared/Settings.cs
@@ -172,6 +172,7 @@ public class GameplaySettings
     public float WormholeAnimationDuration = 4;
     public float WormholeExitCurveStart = .8f;
     public float ThermalWearExponent = .01f;
+    public float DeltaTempWearExponent = .01f;
     public float QualityWearExponent = 2;
     public int WeaponGroupCount = 6;
     public float WarpDistance = 25;