private void StartExecution(ScriptJobBase job)
{
if (Prefs.EnableGameScripts == false) return;
_executionQueue.Enqueue(job);
if (_executionQueue.Count == 1) // Other scripts may be hung. Scripts are executed in order.
ProcessExecutionQueue();
}
internal T Invoke<T>(Func<T> func)
{
ScriptJobBase job = _executionQueue.Peek();
job.InvokedOperation = func;
job.DispatcherSignal.Set();
job.WorkerSignal.WaitOne();
return (T)job.InvokeResult;
}
private void ProcessExecutionQueue()
{
do
{
ScriptJobBase job = _executionQueue.Peek();
var scriptjob = job as ScriptJob;
if (scriptjob != null)
{
Program.GameMess.GameDebug(scriptjob.Source.GetCode());
}
// Because some scripts have to be suspended during asynchronous operations (e.g. shuffle, reveal or random),
// their evaluation is done on another thread.
// The process still looks synchronous (no concurrency is allowed when manipulating the game model),
// which is why a ManualResetEvent is used to synchronise the work of both threads
if (job.Suspended)
{
job.Suspended = false;
job.WorkerSignal.Set();
}
else
{
job.DispatcherSignal = new AutoResetEvent(false);
job.WorkerSignal = new AutoResetEvent(false);
ThreadPool.QueueUserWorkItem(Execute, job);
}
job.DispatcherSignal.WaitOne();
while (job.InvokedOperation != null)
{
using (new Mute(job.Muted))
job.InvokeResult = job.InvokedOperation.DynamicInvoke();
job.InvokedOperation = null;
job.WorkerSignal.Set();
job.DispatcherSignal.WaitOne();
}
if (job.Result != null && !String.IsNullOrWhiteSpace(job.Result.Error))
{
Program.GameMess.Warning("{0}", job.Result.Error.Trim());
}
if (job.Suspended)
{
return;
}
job.DispatcherSignal.Dispose();
job.WorkerSignal.Dispose();
_executionQueue.Dequeue();
if (job.Continuation != null)
{
job.Continuation(job.Result);
}
} while (_executionQueue.Count > 0);
}
internal void Invoke(Action action)
{
ScriptJobBase job = CurrentJob;
job.InvokedOperation = action;
//job.invokedOperation = () =>
// {
// action();
// return null;
// };
job.DispatcherSignal.Set();
job.WorkerSignal.WaitOne();
}
public void Mute(bool muted)
{
ScriptJobBase job = _engine.CurrentJob;
_engine.CurrentJob.Muted = muted ? job.id : 0;
}