Files
Nitrox/NitroxPatcher/Patches/Dynamic/uSkyManager_SetVaryingMaterialProperties_Patch.cs
2025-07-06 00:23:46 +02:00

44 lines
1.8 KiB
C#

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);
}