public override StateOperationResult OnSelectPosition(FDPosition position)
{
if (range == null || !range.Contains(position))
{
return(StateOperationResult.Pop());
}
// No creature or not a friend/NPC
FDCreature targetCreature = this.gameAction.GetCreatureAt(position);
if (targetCreature == null || targetCreature.Faction == Definitions.CreatureFaction.Enemy)
{
return(StateOperationResult.None());
}
if (!targetCreature.Data.IsItemsFull())
{
gameAction.DoCreatureExchangeItem(this.CreatureId, this.SelectedItemIndex, targetCreature.CreatureId);
return(StateOperationResult.Clear());
}
else
{
subState = SubState.SelectExchangeItem;
this.TargetCreature = targetCreature;
CreatureShowInfoPack pack = new CreatureShowInfoPack(targetCreature, CreatureInfoType.SelectAllItem);
SendPack(pack);
return(StateOperationResult.None());
}
}
public List <FDCreature> GetCreatureInRange(FDRange range, CreatureFaction faction)
{
List <FDCreature> candidates = null;
switch (faction)
{
case CreatureFaction.Friend:
candidates = this.Friends;
break;
case CreatureFaction.Npc:
candidates = this.Npcs;
break;
case CreatureFaction.Enemy:
candidates = this.Enemies;
break;
}
List <FDCreature> result = new List <FDCreature>();
foreach (FDCreature candidate in candidates)
{
if (range.Contains(candidate.Position))
{
result.Add(candidate);
}
}
return(result);
}
public override void TakeAction()
{
if (this.NeedAndCanRecover())
{
this.GameAction.DoCreatureRest(this.Creature.CreatureId);
return;
}
// Get target
FDCreature target = this.LookForAggressiveTarget();
// According to the target, find the nearest position within the Move scope, and get the path to that position
FDMovePath movePath = this.DecidePositionAndPath(target.Position);
// Do the walk
this.GameAction.CreatureWalk(new SingleWalkAction(this.Creature.CreatureId, movePath));
FDPosition destination = movePath.Desitination ?? this.Creature.Position;
AttackItemDefinition item = this.Creature.Data.GetAttackItem();
if (item != null)
{
FDSpan span = item.AttackScope;
DirectRangeFinder finder = new DirectRangeFinder(this.GameAction.GetField(), destination, span.Max, span.Min);
FDRange range = finder.CalculateRange();
if (range.Contains(target.Position))
{
// If in attack range, attack the target
this.GameAction.DoCreatureAttack(this.Creature.CreatureId, target.Position);
}
}
this.GameAction.DoCreatureRest(this.Creature.CreatureId);
}
