public static InputAction AddAction(this InputActionMap map, string name, InputActionType type = default, string binding = null,
string interactions = null, string processors = null, string groups = null, string expectedControlLayout = null)
{
if (map == null)
{
throw new ArgumentNullException(nameof(map));
}
if (string.IsNullOrEmpty(name))
{
throw new ArgumentException("Action must have name", nameof(name));
}
if (map.enabled)
{
throw new InvalidOperationException(
$"Cannot add action '{name}' to map '{map}' while it the map is enabled");
}
if (map.TryGetAction(name) != null)
{
throw new InvalidOperationException(
$"Cannot add action with duplicate name '{name}' to set '{map.name}'");
}
// Append action to array.
var action = new InputAction(name, type)
{
expectedControlType = expectedControlLayout
};
action.GenerateId();
ArrayHelpers.Append(ref map.m_Actions, action);
action.m_ActionMap = map;
////TODO: make sure we blast out existing action map state
// Add binding, if supplied.
if (!string.IsNullOrEmpty(binding))
{
action.AddBinding(binding, interactions: interactions, processors: processors, groups: groups);
}
else
{
if (!string.IsNullOrEmpty(groups))
{
throw new ArgumentException(
$"No binding path was specified for action '{action}' but groups was specified ('{groups}'); cannot apply groups without binding",
nameof(groups));
}
// If no binding has been supplied but there are interactions and processors, they go on the action itself.
action.m_Interactions = interactions;
action.m_Processors = processors;
}
return(action);
}