/// <summary>
/// Returns the mesh managers suitable for a shadow.
/// </summary>
/// <param name="shadow">
/// The shadow to get mesh manager for.
/// </param>
/// <returns>
/// The <see cref="ShadowMeshManager"/>.
/// </returns>
private ShadowMeshManager GetMeshManager(SwiftShadow shadow)
{
ShadowMeshManager meshManager;
if (_meshManagers.TryGetValue(shadow.GetMeshManagerHashCode(), out meshManager))
{
return(meshManager);
}
if (shadow.Material == null)
{
throw new ArgumentNullException("shadow.material");
}
if (_meshManagersNew.TryGetValue(shadow.GetMeshManagerHashCode(), out meshManager))
{
return(meshManager);
}
meshManager = new ShadowMeshManager(shadow.Material, shadow.Layer, shadow.IsStatic);
if (_isRecalculatingMesh)
{
_meshManagersNew.Add(meshManager.GetInstanceHashCode(), meshManager);
}
else
{
_meshManagers.Add(meshManager.GetInstanceHashCode(), meshManager);
}
return(meshManager);
}
/// <summary>
/// Unregisters the shadow.
/// </summary>
/// <param name="shadow">
/// The shadow to unregister.
/// </param>
public void UnregisterShadow(SwiftShadow shadow)
{
ShadowMeshManager meshManager;
int shadowHash = shadow.GetMeshManagerHashCode();
if (_meshManagers.TryGetValue(shadowHash, out meshManager))
{
meshManager.UnregisterShadow(shadow);
}
}
