public void TrySetDirtyShouldReturnFalseAfterFirstCall()
{
var dirtyTracker = new EntityDirtyTracker();
dirtyTracker.TrySetDirty(ComponentMap <ISimpleComponent> .Accessor).ShouldBeTrue();
dirtyTracker.TrySetDirty(ComponentMap <ISimpleComponent> .Accessor).ShouldBeFalse();
dirtyTracker.TrySetDirty(ComponentMap <ISimpleComponent> .Accessor).ShouldBeFalse();
}
public void TestResetSingleComponent()
{
var dirtyTracker = new EntityDirtyTracker();
dirtyTracker.TrySetDirty(ComponentMap <ISimpleComponent> .Accessor).ShouldBeTrue();
dirtyTracker.TrySetDirty(ComponentMap <ISimpleComponent> .Accessor).ShouldBeFalse();
dirtyTracker.Reset(ComponentMap <ISimpleComponent> .Accessor);
dirtyTracker.TrySetDirty(ComponentMap <ISimpleComponent> .Accessor).ShouldBeTrue();
}
/// <summary>
/// Returns the writeable component of type <typeparamref name="TWrite" /> for the next tick.
/// </summary>
/// <exception cref="ComponentAccessException">
/// Thrown if the component does not exist on the entity or has already been
/// accessed during this tick.
/// </exception>
/// <typeparam name="TWrite">The interface type of the component you wish to write too.</typeparam>
/// <returns>The writeable component of type <typeparamref name="TWrite" />.</returns>
public TWrite Modify <TWrite>() where TWrite : class, IWriteableComponent
{
var accessor = WriteableComponentMap <TWrite> .Accessor;
ComponentContainer c;
if (!_components.TryGetValue(accessor, out c))
{
throw new ComponentAccessException(Id, typeof(TWrite),
ComponentAccessException.Reasons.ComponentDoesNotExist);
}
if (!_dirtyTracker.TrySetDirty(accessor))
{
throw new ComponentAccessException(Id, typeof(TWrite),
ComponentAccessException.Reasons.ComponentAlreadyAccessed);
}
_eventDispatcher.Post(new EntityComponentModified(Id, accessor));
return((TWrite)_components[accessor].Next);
}
