/** switches to a certain layer indexed by n.
* The current (old) layer will be removed from it's parent with 'cleanup:YES'.
*/
public override void OnEnter()
{
if (m_nEnabledLayer == -1 && m_pLayers.Count > 0)
{
SwitchTo(0);
}
else if (m_nEnabledLayer != -1)
{
if (m_InAction != null)
{
m_pLayers[m_nEnabledLayer].RunAction(m_InAction.Copy());
}
}
base.OnEnter();
}
/** switches to a certain layer indexed by n.
* The current (old) layer will be removed from it's parent with 'cleanup:YES'.
*/
/// <summary>
/// Swtich to the given index layer and use the given action after the layer is
/// added to the scene.
/// </summary>
/// <param name="n"></param>
public void SwitchTo(int n)
{
Debug.Assert(n < m_pLayers.Count, "Invalid index in MultiplexLayer switchTo message");
CCLayer outLayer = m_pLayers[m_nEnabledLayer];
if (m_OutAction != null)
{
outLayer.RunAction(
CCSequence.FromActions(
(CCFiniteTimeAction)m_OutAction.Copy(),
new CCCallFunc(() => RemoveChild(outLayer, true))
)
);
}
else
{
RemoveChild(outLayer, true);
}
m_nEnabledLayer = n;
AddChild(m_pLayers[n]);
if (m_InAction != null)
{
m_pLayers[n].RunAction(m_InAction.Copy());
}
}
/// <summary>
/// Swtich to the given index layer and use the given action after the layer is
/// added to the parent. The parameter can be the index or it can be the tag of the layer.
/// </summary>
/// <param name="n">Send in NoLayer to hide all multiplexed layers. Otherwise, send in a tag or the logical index of the
/// layer to show.</param>
/// <returns>The layer that is going to be shown. This can return null if the SwitchTo layer is NoLayer</returns>
public CCLayer SwitchTo(int n)
{
if (n != -1)
{
if (m_nEnabledLayer == n || m_nEnabledLayer == (n + kTagOffsetForUniqueness))
{
// no-op
if (m_nEnabledLayer == -1)
{
return(null);
}
return(m_pLayers[m_nEnabledLayer]);
}
}
if (m_nEnabledLayer != -1)
{
CCLayer outLayer = null;
if (m_pLayers.ContainsKey(m_nEnabledLayer))
{
outLayer = m_pLayers[m_nEnabledLayer];
if (m_OutAction != null)
{
outLayer.RunAction(
new CCSequence(
(CCFiniteTimeAction)m_OutAction.Copy(),
new CCCallFunc(() => RemoveChild(outLayer, true))
)
);
}
else
{
RemoveChild(outLayer, true);
}
}
// We have no enabled layer at this point
m_nEnabledLayer = NoLayer;
}
// When NoLayer, the multiplexer shows nothing.
if (n == NoLayer)
{
ShowFirstLayerOnEnter = false;
return(null);
}
if (!m_pLayers.ContainsKey(n))
{
int f = n + kTagOffsetForUniqueness;
if (m_pLayers.ContainsKey(f))
{
n = f;
}
else
{
// Invalid index - layer not found
return(null);
}
}
// Set the active layer
AddChild(m_pLayers[n]);
m_nEnabledLayer = n;
// Run the in-action on the new layer
if (m_InAction != null)
{
m_pLayers[n].RunAction(m_InAction.Copy());
}
return(m_pLayers[m_nEnabledLayer]);
}
