更新Demo

2025-08-14 16:51:28 +00:00 · 2023-12-20 12:14:27 +08:00
parent f64bb37706
commit 17a5d7425c
847 changed files with 106095 additions and 0 deletions
--- a/UnityProject/Packages/UniTask/Runtime/CompilerServices/StateMachineRunner.cs
+++ b/UnityProject/Packages/UniTask/Runtime/CompilerServices/StateMachineRunner.cs
@@ -0,0 +1,380 @@
+#pragma warning disable CS1591
+
+using Cysharp.Threading.Tasks.Internal;
+using System;
+using System.Linq;
+using System.Diagnostics;
+using System.Runtime.CompilerServices;
+
+namespace Cysharp.Threading.Tasks.CompilerServices
+{
+    // #ENABLE_IL2CPP in this file is to avoid bug of IL2CPP VM.
+    // Issue is tracked on https://issuetracker.unity3d.com/issues/il2cpp-incorrect-results-when-calling-a-method-from-outside-class-in-a-struct
+    // but currently it is labeled `Won't Fix`.
+
+    internal interface IStateMachineRunner
+    {
+        Action MoveNext { get; }
+        void Return();
+
+#if ENABLE_IL2CPP
+        Action ReturnAction { get; }
+#endif
+    }
+
+    internal interface IStateMachineRunnerPromise : IUniTaskSource
+    {
+        Action MoveNext { get; }
+        UniTask Task { get; }
+        void SetResult();
+        void SetException(Exception exception);
+    }
+
+    internal interface IStateMachineRunnerPromise<T> : IUniTaskSource<T>
+    {
+        Action MoveNext { get; }
+        UniTask<T> Task { get; }
+        void SetResult(T result);
+        void SetException(Exception exception);
+    }
+
+    internal static class StateMachineUtility
+    {
+        // Get AsyncStateMachine internal state to check IL2CPP bug
+        public static int GetState(IAsyncStateMachine stateMachine)
+        {
+            var info = stateMachine.GetType().GetFields(System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance)
+                .First(x => x.Name.EndsWith("__state"));
+            return (int)info.GetValue(stateMachine);
+        }
+    }
+
+    internal sealed class AsyncUniTaskVoid<TStateMachine> : IStateMachineRunner, ITaskPoolNode<AsyncUniTaskVoid<TStateMachine>>, IUniTaskSource
+        where TStateMachine : IAsyncStateMachine
+    {
+        static TaskPool<AsyncUniTaskVoid<TStateMachine>> pool;
+
+#if ENABLE_IL2CPP
+        public Action ReturnAction { get; }
+#endif
+
+        TStateMachine stateMachine;
+
+        public Action MoveNext { get; }
+
+        public AsyncUniTaskVoid()
+        {
+            MoveNext = Run;
+#if ENABLE_IL2CPP
+            ReturnAction = Return;
+#endif
+        }
+
+        public static void SetStateMachine(ref TStateMachine stateMachine, ref IStateMachineRunner runnerFieldRef)
+        {
+            if (!pool.TryPop(out var result))
+            {
+                result = new AsyncUniTaskVoid<TStateMachine>();
+            }
+            TaskTracker.TrackActiveTask(result, 3);
+
+            runnerFieldRef = result; // set runner before copied.
+            result.stateMachine = stateMachine; // copy struct StateMachine(in release build).
+        }
+
+        static AsyncUniTaskVoid()
+        {
+            TaskPool.RegisterSizeGetter(typeof(AsyncUniTaskVoid<TStateMachine>), () => pool.Size);
+        }
+
+        AsyncUniTaskVoid<TStateMachine> nextNode;
+        public ref AsyncUniTaskVoid<TStateMachine> NextNode => ref nextNode;
+
+        public void Return()
+        {
+            TaskTracker.RemoveTracking(this);
+            stateMachine = default;
+            pool.TryPush(this);
+        }
+
+        [DebuggerHidden]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        void Run()
+        {
+            stateMachine.MoveNext();
+        }
+
+        // dummy interface implementation for TaskTracker.
+
+        UniTaskStatus IUniTaskSource.GetStatus(short token)
+        {
+            return UniTaskStatus.Pending;
+        }
+
+        UniTaskStatus IUniTaskSource.UnsafeGetStatus()
+        {
+            return UniTaskStatus.Pending;
+        }
+
+        void IUniTaskSource.OnCompleted(Action<object> continuation, object state, short token)
+        {
+        }
+
+        void IUniTaskSource.GetResult(short token)
+        {
+        }
+    }
+
+    internal sealed class AsyncUniTask<TStateMachine> : IStateMachineRunnerPromise, IUniTaskSource, ITaskPoolNode<AsyncUniTask<TStateMachine>>
+        where TStateMachine : IAsyncStateMachine
+    {
+        static TaskPool<AsyncUniTask<TStateMachine>> pool;
+
+#if ENABLE_IL2CPP
+        readonly Action returnDelegate;  
+#endif
+        public Action MoveNext { get; }
+
+        TStateMachine stateMachine;
+        UniTaskCompletionSourceCore<AsyncUnit> core;
+
+        AsyncUniTask()
+        {
+            MoveNext = Run;
+#if ENABLE_IL2CPP
+            returnDelegate = Return;
+#endif
+        }
+
+        public static void SetStateMachine(ref TStateMachine stateMachine, ref IStateMachineRunnerPromise runnerPromiseFieldRef)
+        {
+            if (!pool.TryPop(out var result))
+            {
+                result = new AsyncUniTask<TStateMachine>();
+            }
+            TaskTracker.TrackActiveTask(result, 3);
+
+            runnerPromiseFieldRef = result; // set runner before copied.
+            result.stateMachine = stateMachine; // copy struct StateMachine(in release build).
+        }
+
+        AsyncUniTask<TStateMachine> nextNode;
+        public ref AsyncUniTask<TStateMachine> NextNode => ref nextNode;
+
+        static AsyncUniTask()
+        {
+            TaskPool.RegisterSizeGetter(typeof(AsyncUniTask<TStateMachine>), () => pool.Size);
+        }
+
+        void Return()
+        {
+            TaskTracker.RemoveTracking(this);
+            core.Reset();
+            stateMachine = default;
+            pool.TryPush(this);
+        }
+
+        bool TryReturn()
+        {
+            TaskTracker.RemoveTracking(this);
+            core.Reset();
+            stateMachine = default;
+            return pool.TryPush(this);
+        }
+
+        [DebuggerHidden]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        void Run()
+        {
+            stateMachine.MoveNext();
+        }
+
+        public UniTask Task
+        {
+            [DebuggerHidden]
+            get
+            {
+                return new UniTask(this, core.Version);
+            }
+        }
+
+        [DebuggerHidden]
+        public void SetResult()
+        {
+            core.TrySetResult(AsyncUnit.Default);
+        }
+
+        [DebuggerHidden]
+        public void SetException(Exception exception)
+        {
+            core.TrySetException(exception);
+        }
+
+        [DebuggerHidden]
+        public void GetResult(short token)
+        {
+            try
+            {
+                core.GetResult(token);
+            }
+            finally
+            {
+#if ENABLE_IL2CPP
+                // workaround for IL2CPP bug.
+                PlayerLoopHelper.AddContinuation(PlayerLoopTiming.LastPostLateUpdate, returnDelegate);
+#else
+                TryReturn();
+#endif
+            }
+        }
+
+        [DebuggerHidden]
+        public UniTaskStatus GetStatus(short token)
+        {
+            return core.GetStatus(token);
+        }
+
+        [DebuggerHidden]
+        public UniTaskStatus UnsafeGetStatus()
+        {
+            return core.UnsafeGetStatus();
+        }
+
+        [DebuggerHidden]
+        public void OnCompleted(Action<object> continuation, object state, short token)
+        {
+            core.OnCompleted(continuation, state, token);
+        }
+    }
+
+    internal sealed class AsyncUniTask<TStateMachine, T> : IStateMachineRunnerPromise<T>, IUniTaskSource<T>, ITaskPoolNode<AsyncUniTask<TStateMachine, T>>
+        where TStateMachine : IAsyncStateMachine
+    {
+        static TaskPool<AsyncUniTask<TStateMachine, T>> pool;
+
+#if ENABLE_IL2CPP
+        readonly Action returnDelegate;  
+#endif
+
+        public Action MoveNext { get; }
+
+        TStateMachine stateMachine;
+        UniTaskCompletionSourceCore<T> core;
+
+        AsyncUniTask()
+        {
+            MoveNext = Run;
+#if ENABLE_IL2CPP
+            returnDelegate = Return;
+#endif
+        }
+
+        public static void SetStateMachine(ref TStateMachine stateMachine, ref IStateMachineRunnerPromise<T> runnerPromiseFieldRef)
+        {
+            if (!pool.TryPop(out var result))
+            {
+                result = new AsyncUniTask<TStateMachine, T>();
+            }
+            TaskTracker.TrackActiveTask(result, 3);
+
+            runnerPromiseFieldRef = result; // set runner before copied.
+            result.stateMachine = stateMachine; // copy struct StateMachine(in release build).
+        }
+
+        AsyncUniTask<TStateMachine, T> nextNode;
+        public ref AsyncUniTask<TStateMachine, T> NextNode => ref nextNode;
+
+        static AsyncUniTask()
+        {
+            TaskPool.RegisterSizeGetter(typeof(AsyncUniTask<TStateMachine, T>), () => pool.Size);
+        }
+
+        void Return()
+        {
+            TaskTracker.RemoveTracking(this);
+            core.Reset();
+            stateMachine = default;
+            pool.TryPush(this);
+        }
+
+        bool TryReturn()
+        {
+            TaskTracker.RemoveTracking(this);
+            core.Reset();
+            stateMachine = default;
+            return pool.TryPush(this);
+        }
+
+        [DebuggerHidden]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        void Run()
+        {
+            // UnityEngine.Debug.Log($"MoveNext State:" + StateMachineUtility.GetState(stateMachine));
+            stateMachine.MoveNext();
+        }
+
+        public UniTask<T> Task
+        {
+            [DebuggerHidden]
+            get
+            {
+                return new UniTask<T>(this, core.Version);
+            }
+        }
+
+        [DebuggerHidden]
+        public void SetResult(T result)
+        {
+            core.TrySetResult(result);
+        }
+
+        [DebuggerHidden]
+        public void SetException(Exception exception)
+        {
+            core.TrySetException(exception);
+        }
+
+        [DebuggerHidden]
+        public T GetResult(short token)
+        {
+            try
+            {
+                return core.GetResult(token);
+            }
+            finally
+            {
+#if ENABLE_IL2CPP
+                // workaround for IL2CPP bug.
+                PlayerLoopHelper.AddContinuation(PlayerLoopTiming.LastPostLateUpdate, returnDelegate);
+#else
+                TryReturn();
+#endif
+            }
+        }
+
+        [DebuggerHidden]
+        void IUniTaskSource.GetResult(short token)
+        {
+            GetResult(token);
+        }
+
+        [DebuggerHidden]
+        public UniTaskStatus GetStatus(short token)
+        {
+            return core.GetStatus(token);
+        }
+
+        [DebuggerHidden]
+        public UniTaskStatus UnsafeGetStatus()
+        {
+            return core.UnsafeGetStatus();
+        }
+
+        [DebuggerHidden]
+        public void OnCompleted(Action<object> continuation, object state, short token)
+        {
+            core.OnCompleted(continuation, state, token);
+        }
+    }
+}
+