public List <string> AllowedActions(EncounterState state, Entity parent, UnitOrder standingOrder)
{
var parentPos = parent.GetComponent <PositionComponent>().EncounterPosition;
var unit = state.GetUnit(parent.GetComponent <UnitComponent>().UnitId);
var actions = new List <string>();
var parentIsLagging = AIUtils.IsPositionTooFarBehind(parentPos, unit);
// TODO: this is a silly place to run this check
if (parentIsLagging)
{
parent.GetComponent <AIRotationComponent>().NotifyRotationCompleted();
}
if (standingOrder == UnitOrder.ADVANCE && !parent.GetComponent <AIRotationComponent>().IsRotating)
{
// Directly ahead pos available if not too far ahead OR if too far behind
var validAheadPositions = new List <EncounterPosition>()
{
AIUtils.RotateAndProject(parentPos, 0, -1, unit.UnitFacing),
AIUtils.RotateAndProject(parentPos, 1, -1, unit.UnitFacing),
AIUtils.RotateAndProject(parentPos, -1, -1, unit.UnitFacing),
};
foreach (var possible in validAheadPositions)
{
if (positionNotTooFarAheadAndMovable(state, parentPos, unit, possible) || parentIsLagging)
{
actions.Add(ToCardinalDirection(parentPos, possible));
}
}
// Flank positions available if not too far ahead AND not too far behind
var validFlankPositions = new List <EncounterPosition>()
{
AIUtils.RotateAndProject(parentPos, 1, 0, unit.UnitFacing),
AIUtils.RotateAndProject(parentPos, -1, 0, unit.UnitFacing),
};
foreach (var possible in validFlankPositions)
{
if (positionNotTooFarAheadAndMovable(state, parentPos, unit, possible) && !parentIsLagging)
{
actions.Add(ToCardinalDirection(parentPos, possible));
}
}
if (parent.GetComponent <AIRotationComponent>().BackSecure(state, parent, unit))
{
actions.Add(InputHandler.ActionMapping.ROTATE);
}
}
if (!parentIsLagging)
{
actions.Add(InputHandler.ActionMapping.WAIT);
}
actions.Add(InputHandler.ActionMapping.LEAVE_FORMATION);
return(actions);
}
