/// <summary>
/// Returns true if this port can connect to specified port
/// </summary>
public bool CanConnectTo(NodePort port)
{
// Figure out which is input and which is output
NodePort input = null, output = null;
if (IsInput)
{
input = this;
}
else
{
output = this;
}
if (port.IsInput)
{
input = port;
}
else
{
output = port;
}
// If there isn't one of each, they can't connect
if (input == null || output == null)
{
return(false);
}
// Disable connection if input and output belongs to same node
if (input.node == output.node)
{
return(false);
}
// Check input type constraints
if (input.typeConstraint == XNode.Node.TypeConstraint.Inherited)
{
if (!AllowedTypes.Any(t => ((Type)t).IsAssignableFrom(output.ValueType)))
{
return(false);
}
}
if (input.typeConstraint == XNode.Node.TypeConstraint.Strict)
{
if (AllowedTypes.All(t => ((Type)t) != output.ValueType))
{
return(false);
}
}
// Check output type constraints
if (output.typeConstraint == XNode.Node.TypeConstraint.Inherited)
{
if (!AllowedTypes.Any(t => ((Type)t).IsAssignableFrom(input.ValueType)))
{
return(false);
}
}
if (output.typeConstraint == XNode.Node.TypeConstraint.Strict)
{
if (AllowedTypes.All(t => ((Type)t) != input.ValueType))
{
return(false);
}
}
// Success
return(true);
}
