private static List <EncounterAction> ActionsUnitAdvanceFight(EncounterState state, Entity parent, Unit unit)
{
var actions = new List <EncounterAction>();
var unitComponent = parent.GetComponent <UnitComponent>();
var parentPos = parent.GetComponent <PositionComponent>().EncounterPosition;
var parentFaction = parent.GetComponent <FactionComponent>().Faction;
var targetEndPos = parentPos;
bool tryAdvance = true;
if (tryAdvance)
{
if (IsNextRowTooFarAhead(parentPos, unit))
{
tryAdvance = false;
}
}
// Override for if you're too far back
if (IsPositionTooFarBehind(AIUtils.RotateAndProject(parentPos, 0, -1, unit.UnitFacing), unit))
{
var aheadPos = AIUtils.RotateAndProject(parentPos, 0, -1, unit.UnitFacing);
actions.Add(new MoveAction(parent.EntityId, aheadPos));
TryAddAttackAdjacent(state, parent, actions, parentFaction, aheadPos);
return(actions);
}
// Morale check for advancing directly into an enemy
if (tryAdvance)
{
var twoStepsAhead = AIUtils.RotateAndProject(parentPos, 0, -2, unit.UnitFacing);
if (AIUtils.HostilesInPosition(state, parentFaction, twoStepsAhead.X, twoStepsAhead.Y).Count > 0)
{
var moraleState = parent.GetComponent <AIMoraleComponent>().CurrentMoraleState;
if (moraleState == MoraleState.WAVERING)
{
if (state.EncounterRand.Next(2) == 0)
{
tryAdvance = false;
}
}
else if (moraleState < MoraleState.WAVERING)
{
tryAdvance = false;
}
}
}
if (tryAdvance)
{
// We're gonna have some serious Phalanx Drift goin' on I guess?
var forwardPositions = new List <EncounterPosition>()
{
AIUtils.RotateAndProject(parentPos, 0, -1, unit.UnitFacing)
};
if (!(unit.RightFlank && AIUtils.IsOnFlank(parentPos.X, parentPos.Y, unit, Flank.RIGHT)))
{
forwardPositions.Add(AIUtils.RotateAndProject(parentPos, 1, -1, unit.UnitFacing));
}
if (!(unit.LeftFlank && AIUtils.IsOnFlank(parentPos.X, parentPos.Y, unit, Flank.LEFT)))
{
forwardPositions.Add(AIUtils.RotateAndProject(parentPos, -1, -1, unit.UnitFacing));
}
foreach (var forwardPos in forwardPositions)
{
if (state.EntitiesAtPosition(forwardPos.X, forwardPos.Y).Count == 0)
{
// Never go into a square unless it's flanked by an existing friendly
bool supported = false;
for (int y = -1; y < 2; y++)
{
var leftPos = AIUtils.RotateAndProject(forwardPos, -1, y, unit.UnitFacing);
if (AIUtils.FriendliesInPosition(state, parent, parentFaction, leftPos.X, leftPos.Y).Count > 0)
{
supported = true;
break;
}
var rightPos = AIUtils.RotateAndProject(forwardPos, 1, y, unit.UnitFacing);
if (AIUtils.FriendliesInPosition(state, parent, parentFaction, rightPos.X, rightPos.Y).Count > 0)
{
supported = true;
break;
}
}
if (supported)
{
targetEndPos = forwardPos;
break;
}
}
}
if (targetEndPos != parentPos)
{
actions.Add(new MoveAction(parent.EntityId, targetEndPos));
}
}
TryAddAttackAdjacent(state, parent, actions, parentFaction, targetEndPos);
if (actions.Count == 0)
{
actions.Add(new WaitAction(parent.EntityId));
}
return(actions);
}
