void Start()
{
this.texture = new Texture2D(2, 2);
switch (this.ImplementationType)
{
case ImplementationType.UseCoroutine:
{
var ctx = new CoroutineContext();
ctx.HttpWebRequest = (HttpWebRequest)WebRequest.Create(this.ServerUrl);
ctx.HttpWebResponse = (HttpWebResponse)ctx.HttpWebRequest.GetResponse();
ctx.HttpResponseStream = ctx.HttpWebResponse.GetResponseStream();
ctx.Boundary = GetBoundary(ctx.HttpWebResponse);
this.coroutineContext = ctx;
this.StartCoroutine(this.GetFrame());
break;
}
case ImplementationType.UseAsync:
{
var ctx = new AsyncContext();
ctx.HttpWebRequest = (HttpWebRequest)WebRequest.Create(this.ServerUrl);
ctx.HttpWebRequest.BeginGetResponse(OnGetResponse, ctx);
this.asyncContext = ctx;
break;
}
}
}
public void StartCoroutine()
{
var coroutineContext = new CoroutineContext(NullCoroutine);
bool isFinishedEventTriggered = true;
coroutineContext.Finished += () => isFinishedEventTriggered = true;
coroutineContext.Start();
Assert.IsTrue(isFinishedEventTriggered);
Assert.IsFalse(coroutineContext.IsStarted);
Assert.IsFalse(coroutineContext.IsPaused);
Assert.IsTrue(coroutineContext.IsFinished);
var coroutineContext2 = new CoroutineContext(SquareA);
bool isStartedEventTriggered = false;
coroutineContext2.Started += () => isStartedEventTriggered = true;
coroutineContext2.Start();
Assert.IsTrue(isStartedEventTriggered);
Assert.AreEqual(a, 9);
}
public ICoroutine StartCoroutine(IEnumerator coroutine)
{
var context = new CoroutineContext(coroutine);
coroutines.Add(context);
return(context.Handle);
}
// Bound statically by CIL compiler
// ReSharper disable UnusedMember.Global
public static PValue RunStatically(StackContext sctx, PValue[] args)
// ReSharper restore UnusedMember.Global
{
var carrier = new ContextCarrier();
var corctx = new CoroutineContext(sctx, CoroutineRunStatically(carrier, args));
carrier.StackContext = corctx;
return sctx.CreateNativePValue(new Coroutine(corctx));
}
/// <summary>
/// Executes the command.
/// </summary>
/// <param name = "sctx">The stack context in which to execut the command.</param>
/// <param name = "args">The arguments to be passed to the command.</param>
/// <returns>The value returned by the command. Must not be null. (But possibly {null~Null})</returns>
public override PValue Run(StackContext sctx, PValue[] args)
{
if (sctx == null)
throw new ArgumentNullException("sctx");
if (args == null)
throw new ArgumentNullException("args");
var carrier = new ContextCarrier();
var corctx = new CoroutineContext(sctx, CoroutineRun(carrier, args));
carrier.StackContext = corctx;
return sctx.CreateNativePValue(new Coroutine(corctx));
}
private static bool CheckWaitForSecondsDone(CoroutineContext ctx, WaitForSeconds w)
{
if (_wfs_sec == null)
{
var _wfs = typeof(WaitForSeconds);
_wfs_sec = _wfs.GetField("m_Seconds", BindingFlags.Instance | BindingFlags.NonPublic);
}
var sec = (float)_wfs_sec.GetValue(w);
return((Time.time - ctx.frameTime) >= sec);
}
private CoroutineContext CreateNewCtx(IEnumerator enumerator)
{
var inst = new CoroutineContext();
inst.id = _idx;
_idx++;
inst.stack = new Stack <IEnumerator>(4);
inst.stack.Push(enumerator);
inst.fixedUpdateCnt = 0;
inst.updateCnt = 0;
inst.frameTime = Time.time;
inst.frameRealTime = Time.realtimeSinceStartup;
return(inst);
}
public void CreateCoroutineContext()
{
CoroutineContext coroutineContext;
Assert.Throws <NullReferenceException>(() =>
{
coroutineContext = new CoroutineContext(null);
});
coroutineContext = new CoroutineContext(NullCoroutine);
Assert.IsFalse(coroutineContext.IsStarted);
Assert.IsFalse(coroutineContext.IsPaused);
Assert.IsFalse(coroutineContext.IsFinished);
}
public void StartCoroutineWithTimeout()
{
const int expectedMilliseconds = 1000;
const int tolerance = 2;
var sw = new Stopwatch();
var coroutineContext = new CoroutineContext(InfiniteCoroutine);
var timeOut = new TimeSpan(0, 0, 0, 0, expectedMilliseconds);
sw.Start();
coroutineContext.Start(timeOut);
sw.Stop();
Assert.IsTrue(((sw.ElapsedMilliseconds + tolerance) > expectedMilliseconds) || ((sw.ElapsedMilliseconds - tolerance) < expectedMilliseconds));
}
public void StepThroughCoroutine()
{
var coroutineContext = new CoroutineContext(From1To10);
int count = 0;
for (int i = 0; coroutineContext.Step(); i++)
{
count = i + 1;
}
Assert.AreEqual(count, 10);
Assert.IsFalse(coroutineContext.IsStarted);
Assert.IsFalse(coroutineContext.IsPaused);
Assert.IsTrue(coroutineContext.IsFinished);
}
public void PauseCoroutineFromAnotherThread()
{
var coroutineContext = new CoroutineContext(InfiniteCoroutine);
Assert.IsFalse(coroutineContext.IsStarted);
Assert.IsFalse(coroutineContext.IsPaused);
Assert.IsFalse(coroutineContext.IsFinished);
bool isPausedEventTriggered = false;
coroutineContext.Paused += paused => isPausedEventTriggered = paused;
var pausingThread = new Thread(() =>
{
Thread.Sleep(10);
coroutineContext.Pause();
});
pausingThread.Start();
coroutineContext.Start();
Assert.IsTrue(isPausedEventTriggered);
Assert.IsTrue(coroutineContext.IsStarted);
Assert.IsTrue(coroutineContext.IsPaused);
Assert.IsFalse(coroutineContext.IsFinished);
var testUnpausedThread = new Thread(() =>
{
Thread.Sleep(10);
Assert.IsTrue(coroutineContext.IsStarted);
Assert.IsFalse(coroutineContext.IsPaused);
Assert.IsFalse(coroutineContext.IsFinished);
coroutineContext.Stop();
});
testUnpausedThread.Start();
coroutineContext.Unpause();
}
public void StopCoroutineFromAnotherThread()
{
var coroutineContext = new CoroutineContext(InfiniteCoroutine);
var isStoppedEventTriggered = false;
coroutineContext.Stopped += () => isStoppedEventTriggered = true;
var stoppingThread = new Thread(() =>
{
Thread.Sleep(10);
coroutineContext.Stop();
});
stoppingThread.Start();
coroutineContext.Start();
Assert.IsTrue(isStoppedEventTriggered);
Assert.IsFalse(coroutineContext.IsStarted);
Assert.IsFalse(coroutineContext.IsPaused);
Assert.IsFalse(coroutineContext.IsFinished);
}
public void ResetCoroutineContext()
{
var coroutineContext = new CoroutineContext(InfiniteCoroutine);
bool isResetEventTriggered = false;
coroutineContext.Reseted += () => isResetEventTriggered = true;
var resetCoroutineContextThread = new Thread(() =>
{
Thread.Sleep(10);
coroutineContext.Reset();
});
resetCoroutineContextThread.Start();
coroutineContext.Start();
Assert.IsTrue(isResetEventTriggered);
Assert.IsFalse(coroutineContext.IsStarted);
Assert.IsFalse(coroutineContext.IsPaused);
Assert.IsFalse(coroutineContext.IsFinished);
}
private void FixedUpdateCoroutine(CoroutineContext ctx)
{
ctx.fixedUpdateCnt++;
var curr = ctx.Current;
if (curr is WaitForFixedUpdate)
{
if (ctx.initFixFrame)
{
ctx.initFixFrame = false;
}
else
{
var s = ctx.MoveNext();
if (!s)
{
_ctxList.Remove(ctx);
}
}
}
ctx.initFixFrame = false;
}
public static PValue RunStatically(StackContext sctx, PValue[] args)
{
var carrier = new ContextCarrier();
var corctx = new CoroutineContext(sctx, CoroutineRunStatically(carrier, args));
carrier.StackContext = corctx;
return sctx.CreateNativePValue(new Coroutine(corctx));
}
//执行协程的一帧，凡是yield return的位置，至少要等一帧
private void YieldDo(CoroutineContext context)
{
//主动暂停
if (context.IsSuspended)
{
return;
}
//等待事件
if (context.IsWaitForEvent)
{
return;
}
context.Yield = null;
try
{
//当前协程执行完毕
if (!context.MoveNext())
{
context.IsDisposed = true;
context.Callback();
return;
}
}
catch (Exception e)
{
context.IsDisposed = true;
try
{
OnException?.Invoke(context.Handle, e);
}
catch (Exception)
{
//todo 处理异常
}
return;
}
var obj = context.Current;
if (obj is IEnumerator enumerator)
{
obj = new WaitForCoroutine(StartCoroutine(enumerator));
}
if (obj is ICoroutineYieldNeedInit yield)
{
yield.Init(timeGetter);
}
if (obj is WaitForMilliseconds coroutineTimer)
{
context.IsInTimer = true;
timerManager.StartTimer(now + coroutineTimer.After, () =>
{
context.IsInTimer = false;
coroutines.Add(context);
});
return;
}
if (obj is ICoroutineYield coroutineYield)
{
context.Yield = coroutineYield;
return;
}
throw new CoroutineException($"Cannot use type {obj.GetType()} in yield.");
}
private void UpdateCoroutine(CoroutineContext ctx)
{
ctx.updateCnt++;
var curr = ctx.Current;
if (curr is WaitForEndOfFrame)
{
if (ctx.initFrame)
{
ctx.initFrame = false;
}
else
{
var s = ctx.MoveNext();
if (!s)
{
_ctxList.Remove(ctx);
}
}
}
else if (curr is WaitForSeconds)
{
if (CheckWaitForSecondsDone(ctx, curr as WaitForSeconds))
{
var s = ctx.MoveNext();
if (!s)
{
_ctxList.Remove(ctx);
}
}
}
else if (curr is WaitForSecondsRealtime)
{
if (Time.realtimeSinceStartup - ctx.frameRealTime >= (curr as WaitForSecondsRealtime).waitTime)
{
var s = ctx.MoveNext();
if (!s)
{
_ctxList.Remove(ctx);
}
}
}
else if (curr is AsyncOperation)
{
if ((curr as AsyncOperation).isDone)
{
var s = ctx.MoveNext();
if (!s)
{
_ctxList.Remove(ctx);
}
}
}
else if (curr is CustomYieldInstruction)
{
if (!(curr as CustomYieldInstruction).keepWaiting)
{
var s = ctx.MoveNext();
if (!s)
{
_ctxList.Remove(ctx);
}
}
}
else if (curr is CoroutineContextHandle)
{
var node = FindNode((curr as CoroutineContextHandle).Id);
if (node == null)
{
var s = ctx.MoveNext();
if (!s)
{
_ctxList.Remove(ctx);
}
}
else if (node.Value.isDone)
{
_ctxList.Remove(ctx);
}
}
else if (curr is WaitForFixedUpdate)
{
}
else if (curr == null || curr.GetType().IsValueType)
{
var s = ctx.MoveNext();
if (!s)
{
_ctxList.Remove(ctx);
}
}
else
{
Debug.LogError("不支持的yield类型:" + curr.GetType().ToString());
}
ctx.initFrame = false;
if (!(curr is WaitForSeconds))
{
ctx.frameTime = Time.time;
}
if (!(curr is WaitForSecondsRealtime))
{
ctx.frameRealTime = Time.realtimeSinceStartup;
}
}
