PlayerLoop Disable Unity Modules

PlayerLoopCleaner.cs

using System;
using UnityEngine;
using UnityEngine.LowLevel;
using UnityEngine.PlayerLoop;
 
public static class PlayerLoopCleaner
{
    private static readonly Type[] typesToRemove = new Type[] {
        typeof(EarlyUpdate.Physics2DEarlyUpdate),
        // Physics 2D
#if UNITY_2022_2_OR_NEWER
        typeof(EarlyUpdate.Physics2DEarlyUpdate),
#endif
        typeof(FixedUpdate.Physics2DFixedUpdate),
        typeof(PreUpdate.Physics2DUpdate),
        typeof(PreLateUpdate.Physics2DLateUpdate),
        
        // Physics 3D
#if UNITY_2022_2_OR_NEWER
        typeof(EarlyUpdate.PhysicsResetInterpolatedTransformPosition),
#endif
        typeof(FixedUpdate.PhysicsFixedUpdate),
        typeof(PreUpdate.PhysicsUpdate),
        typeof(PreLateUpdate.PhysicsLateUpdate),
 
        // Director
        typeof(Initialization.DirectorSampleTime),
        typeof(FixedUpdate.DirectorFixedSampleTime),
        typeof(FixedUpdate.DirectorFixedUpdate),
        typeof(FixedUpdate.DirectorFixedUpdatePostPhysics),
        typeof(Update.DirectorUpdate),
        typeof(PreLateUpdate.DirectorUpdateAnimationBegin),
        typeof(PreLateUpdate.DirectorUpdateAnimationEnd),
        typeof(PreLateUpdate.DirectorDeferredEvaluate),
        typeof(PostLateUpdate.DirectorLateUpdate),
        typeof(PostLateUpdate.DirectorRenderImage),
 
        // AI
        typeof(PreUpdate.AIUpdate),
        typeof(PreLateUpdate.AIUpdatePostScript),
 
        // Wind
        typeof(PreUpdate.WindUpdate),
 
        // Cloth
        typeof(PostLateUpdate.PhysicsSkinnedClothBeginUpdate),
        typeof(PostLateUpdate.PhysicsSkinnedClothFinishUpdate),
   
        // Old network system
        typeof(PreLateUpdate.UpdateNetworkManager),
        
        // Other
        typeof(PreUpdate.SendMouseEvents),
        typeof(Initialization.UpdateCameraMotionVectors),
        typeof(Initialization.XREarlyUpdate),
        typeof(Initialization.AsyncUploadTimeSlicedUpdate),
        typeof(EarlyUpdate.PresentBeforeUpdate),
        typeof(EarlyUpdate.PollPlayerConnection),
        typeof(EarlyUpdate.GpuTimestamp),
        typeof(EarlyUpdate.AnalyticsCoreStatsUpdate),
        typeof(EarlyUpdate.UnityWebRequestUpdate),
        typeof(EarlyUpdate.ExecuteMainThreadJobs),
        typeof(EarlyUpdate.ExecuteMainThreadJobs),
        typeof(EarlyUpdate.ProcessMouseInWindow),
        typeof(EarlyUpdate.ClearIntermediateRenderers),
        typeof(EarlyUpdate.ClearLines),
        typeof(EarlyUpdate.ResetFrameStatsAfterPresent),
        typeof(EarlyUpdate.UpdateAsyncInstantiate),
        typeof(EarlyUpdate.UpdateAsyncReadbackManager),
        typeof(EarlyUpdate.UpdateStreamingManager),
        typeof(EarlyUpdate.UpdateTextureStreamingManager),
        typeof(EarlyUpdate.UpdatePreloading),
        typeof(EarlyUpdate.UpdateContentLoading),
        typeof(EarlyUpdate.RendererNotifyInvisible),
        typeof(EarlyUpdate.PlayerCleanupCachedData),
        typeof(EarlyUpdate.UpdateMainGameViewRect),
        typeof(EarlyUpdate.UpdateCanvasRectTransform),
        typeof(EarlyUpdate.XRUpdate),
        typeof(EarlyUpdate.UpdateInputManager),
        typeof(EarlyUpdate.ProcessRemoteInput),
        typeof(EarlyUpdate.ScriptRunDelayedStartupFrame),
        typeof(EarlyUpdate.DispatchEventQueueEvents),
        typeof(EarlyUpdate.SpriteAtlasManagerUpdate),
        typeof(EarlyUpdate.PerformanceAnalyticsUpdate),
        
        typeof(PreUpdate.CheckTexFieldInput),
        typeof(PreUpdate.IMGUISendQueuedEvents),
        typeof(PreUpdate.NewInputUpdate),
        typeof(PreUpdate.UpdateVideo),
        
        typeof(Update.ScriptRunDelayedTasks),
        typeof(Update.ScriptRunDelayedDynamicFrameRate),
        
        typeof(PreLateUpdate.LegacyAnimationUpdate),
        typeof(PreLateUpdate.ConstraintManagerUpdate),
        typeof(PreLateUpdate.ParticleSystemBeginUpdateAll),
        typeof(PreLateUpdate.ScriptRunBehaviourLateUpdate),
        typeof(PreLateUpdate.EndGraphicsJobsAfterScriptUpdate),
        
        typeof(PostLateUpdate.UpdateAllRenderers),
        typeof(PostLateUpdate.EndGraphicsJobsAfterScriptLateUpdate),
        typeof(PostLateUpdate.ScriptRunDelayedDynamicFrameRate),
        typeof(PostLateUpdate.UpdateRectTransform),
        typeof(PostLateUpdate.PlayerUpdateCanvases),
        typeof(PostLateUpdate.UpdateAudio),
        typeof(PostLateUpdate.VFXUpdate),
        typeof(PostLateUpdate.ParticleSystemEndUpdateAll),
        typeof(PostLateUpdate.UpdateCustomRenderTextures),
        typeof(PostLateUpdate.XRPostLateUpdate),
        typeof(PostLateUpdate.ResetInputAxis),
        typeof(PostLateUpdate.ShaderHandleErrors),
        typeof(PostLateUpdate.GUIClearEvents),
        typeof(PostLateUpdate.TriggerEndOfFrameCallbacks),
        typeof(PostLateUpdate.InputEndFrame),
        typeof(PostLateUpdate.UpdateCaptureScreenshot),
        typeof(PostLateUpdate.BatchModeUpdate),
        typeof(PostLateUpdate.UpdateVideo),
        typeof(PostLateUpdate.UpdateVideoTextures),
        typeof(PostLateUpdate.SortingGroupsUpdate),
        typeof(PostLateUpdate.UpdateAllSkinnedMeshes),
        typeof(PostLateUpdate.XRPreEndFrame),
        typeof(PostLateUpdate.MemoryFrameMaintenance),
        typeof(PostLateUpdate.UpdateResolution),
        typeof(PostLateUpdate.EnlightenRuntimeUpdate),
        typeof(PostLateUpdate.PlayerEmitCanvasGeometry),
        typeof(PostLateUpdate.PlayerSendFrameStarted),
        typeof(PostLateUpdate.PlayerSendFrameComplete),
        typeof(PostLateUpdate.PlayerSendFramePostPresent),
        //typeof(PostLateUpdate.FinishFrameRendering),
        //typeof(TimeUpdate.WaitForLastPresentationAndUpdateTime),
        
        
    };
 
    private static readonly string[] typesToRemoveAsString = new string[] {
        // Cloth internal types
        "UnityEngine.PlayerLoop.FixedUpdate+PhysicsClothFixedUpdate",
        "UnityEngine.PlayerLoop.PreUpdate+PhysicsClothUpdate"
    };
 
 
    [RuntimeInitializeOnLoadMethod]
    private static void RemoveUnusedPackageFromPlayerLoop()
    {
        PlayerLoopSystem playerLoop = PlayerLoop.GetCurrentPlayerLoop();
        //DisplayRecursivly(0, playerLoop);
        foreach(Type type in typesToRemove)
        {
            TryRemoveTypeFrom(ref playerLoop, type);
        }
        foreach (string type in typesToRemoveAsString) {
            TryRemoveTypeFrom(ref playerLoop, type);
        }
        //DisplayRecursivly(10, playerLoop);
        PlayerLoop.SetPlayerLoop(playerLoop);
    }
 
    private static void DisplayRecursivly(int level, PlayerLoopSystem system)
    {
        Debug.Log(level + " " + system.type);
        if (system.subSystemList != null)
        {
            Debug.Log(level + " subSystemList.Length: " + system.subSystemList.Length);
            foreach (PlayerLoopSystem sys in system.subSystemList)
            {
                DisplayRecursivly(level + 1, sys);
            }
        }
    }
 
    /// <summary>
    /// From https://github.com/Baste-RainGames/PlayerLoopInterface/blob/a4c15199ecb5f88b8a5009d0c391b967d768068c/Runtime/PlayerLoopInterface.cs#L136
    /// </summary>
    /// <param name="currentSystem"></param>
    /// <param name="type"></param>
    /// <returns></returns>
    private static bool TryRemoveTypeFrom(ref PlayerLoopSystem currentSystem, Type type)
    {
        PlayerLoopSystem[] subSystems = currentSystem.subSystemList;
        if (subSystems == null)
        {
            return false;
        }
 
        for (int i = 0; i < subSystems.Length; i++)
        {
            if (subSystems[i].type == type)
            {
                PlayerLoopSystem[] newSubSystems = new PlayerLoopSystem[subSystems.Length - 1];
 
                Array.Copy(subSystems, newSubSystems, i);
                Array.Copy(subSystems, i + 1, newSubSystems, i, subSystems.Length - i - 1);
 
                currentSystem.subSystemList = newSubSystems;
 
                return true;
            }
 
            if (TryRemoveTypeFrom(ref subSystems[i], type))
            {
                return true;
            }
        }
 
        return false;
    }
 
    private static bool TryRemoveTypeFrom(ref PlayerLoopSystem currentSystem, string type)
    {
        PlayerLoopSystem[] subSystems = currentSystem.subSystemList;
        if (subSystems == null) {
            return false;
        }
 
        for (int i = 0; i < subSystems.Length; i++) {
            if (subSystems[i].type.ToString() == type) {
                PlayerLoopSystem[] newSubSystems = new PlayerLoopSystem[subSystems.Length - 1];
 
                Array.Copy(subSystems, newSubSystems, i);
                Array.Copy(subSystems, i + 1, newSubSystems, i, subSystems.Length - i - 1);
 
                currentSystem.subSystemList = newSubSystems;
 
                return true;
            }
 
            if (TryRemoveTypeFrom(ref subSystems[i], type)) {
                return true;
            }
        }
 
        return false;
    }
}