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NitroxPatcher/Patches/Dynamic/uSkyManager_SetVaryingMaterialProperties_Patch.cs

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+using System.Collections.Generic;
+using System.Reflection;
+using HarmonyLib;
+using NitroxClient.GameLogic;
+using NitroxModel.Helper;
+using NitroxPatcher.PatternMatching;
+using UnityEngine;
+using static System.Reflection.Emit.OpCodes;
+
+namespace NitroxPatcher.Patches.Dynamic;
+
+/// <summary>
+///     Prevent uSkyManager from "freezing" the clouds when FreezeTime is active (game paused).
+///     Also sets skybox's rotation depending on the real server time.
+/// </summary>
+public sealed partial class uSkyManager_SetVaryingMaterialProperties_Patch : NitroxPatch, IDynamicPatch
+{
+    public static readonly MethodInfo TARGET_METHOD = Reflect.Method((uSkyManager t) => t.SetVaryingMaterialProperties(default));
+
+    /// <summary>
+    ///     This pattern detects the <see cref="UnityEngine.Time.time" /> property in the following line
+    ///     and replaces the property call target to <see cref="CurrentTime" />:
+    ///     <code>Quaternion q = Quaternion.AngleAxis(cloudsRotateSpeed * Time.time, Vector3.up);</code>
+    /// </summary>
+    public static readonly InstructionsPattern ModifyInstructionPattern = new()
+    {
+        Ldarg_0,
+        Ldfld,
+        { Reflect.Property(() => Time.time).GetMethod, "Modify" },
+        Mul
+    };
+
+    /// <summary>
+    ///     Intermediate time property to simplify the dependency resolving for the transpiler.
+    /// </summary>
+    private static double CurrentTime => Resolve<TimeManager>().CurrentTime;
+
+    /// <summary>
+    ///     Replaces Time.time call to Time.realtimeSinceStartup so that it doesn't take Time.timeScale into account
+    /// </summary>
+    public static IEnumerable<CodeInstruction> Transpiler(MethodBase original, IEnumerable<CodeInstruction> instructions) => instructions
+        .ChangeAtMarker(ModifyInstructionPattern, "Modify", instruction => instruction.operand = Reflect.Property(() => CurrentTime).GetMethod);
+}