public void Define()
{
var preservation = UnitPreservation.Preserve(this);
// A unit needs to undefine even if it wasn't defined,
// because there might be invalid ports and connections
// that we need to clear to avoid duplicates on definition.
Undefine();
if (canDefine)
{
try
{
Definition();
isDefined = true;
definitionException = null;
AfterDefine();
}
catch (Exception ex)
{
Undefine();
definitionException = ex;
Debug.LogWarning($"Failed to define {this}:\n{ex}");
}
}
preservation.RestoreTo(this);
}
private void ReplaceUnit()
{
var oldUnit = unit;
var unitPosition = oldUnit.position;
var preservation = UnitPreservation.Preserve(oldUnit);
var options = new UnitOptionTree(new GUIContent("Unit"));
options.reference = reference;
var activatorPosition = new Rect(e.mousePosition, new Vector2(200, 1));
var context = this.context;
LudiqGUI.FuzzyDropdown
(
activatorPosition,
options,
null,
delegate(object _option)
{
var option = (IUnitOption)_option;
context.BeginEdit();
UndoUtility.RecordEditedObject("Replace Unit");
var graph = oldUnit.graph;
oldUnit.graph.units.Remove(oldUnit);
var newUnit = option.InstantiateUnit();
newUnit.guid = Guid.NewGuid();
newUnit.position = unitPosition;
graph.units.Add(newUnit);
preservation.RestoreTo(newUnit);
option.PreconfigureUnit(newUnit);
selection.Select(newUnit);
GUI.changed = true;
context.EndEdit();
}
);
}
