public static void PauseEngine(bool storeUnpauseInstructions)
{
if (mUnpauseInstructions.Count != 0)
{
throw new System.InvalidOperationException(
"Can't execute pause since there are already instructions in the Unpause InstructionList." +
" Are you causing PauseEngine twice in a row?" +
" Each PauseEngine method must be followed by an UnpauseEngine before PauseEngine can be called again.");
}
// When the engine pauses, each manager stops
// all activity and fills the unpauseInstructions
// with instructions that are executed to restart activity.
// Turn off sorting so we don't sort over and over and over...
// Looks like we never need to turn this back on.
mUnpauseInstructions.SortOnAdd = false;
SpriteManager.Pause(mUnpauseInstructions);
ShapeManager.Pause(mUnpauseInstructions);
#if SILVERLIGHT
throw new NotImplementedException();
#else
TextManager.Pause(mUnpauseInstructions);
#endif
InstructionListUnpause instructions = new InstructionListUnpause(mInstructions);
mInstructions.Clear();
mUnpauseInstructions.Add(instructions);
if (!storeUnpauseInstructions)
{
mUnpauseInstructions.Clear();
}
// ... now do one sort at the end to make sure all is sorted properly
// Actually, no, don't sort, it's not necessary! We're going to execute
// everything anyway.
//mUnpauseInstructions.Sort((a, b) => a.TimeToExecute.CompareTo(b));
}