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);
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public FDRange CalculateRange()
{
FDRange range = new FDRange(central);
//// range.AddPosition(central);
for (int k = this.innerLength; k <= this.outterLength; k++)
{
for (int t = 0; t <= k; t++)
{
int posX = central.X + t;
int posY = central.Y + (k - t);
AddValidPosition(range, FDPosition.At(posX, posY));
posX = central.X - t;
posY = central.Y + (k - t);
AddValidPosition(range, FDPosition.At(posX, posY));
posX = central.X + t;
posY = central.Y - (k - t);
AddValidPosition(range, FDPosition.At(posX, posY));
posX = central.X - t;
posY = central.Y - (k - t);
AddValidPosition(range, FDPosition.At(posX, posY));
}
}
return(range);
}
public FDCreature GetPreferredAttackTargetInRange(int creatureId)
{
FDCreature creature = this.GetCreature(creatureId);
AttackItemDefinition attackItem = creature.Data.GetAttackItem();
if (attackItem == null)
{
return(null);
}
FDSpan span = attackItem.AttackScope;
DirectRangeFinder finder = new DirectRangeFinder(this.gameField, creature.Position, span.Max, span.Min);
FDRange range = finder.CalculateRange();
// Get a preferred target in range
foreach (FDPosition position in range.Positions)
{
FDCreature target = this.GetCreatureAt(position);
if (target != null && target.Faction == CreatureFaction.Enemy)
{
return(target);
}
}
return(null);
}
public override StateOperationResult OnSelectPosition(FDPosition position)
{
if (this.magicRange == null)
{
// should not happen
return(StateOperationResult.Clear());
}
if (this.magicRange.Contains(position))
{
DirectRangeFinder rangeFinder = new DirectRangeFinder(gameAction.GetField(), position, this.Magic.EffectScope);
FDRange magicScope = rangeFinder.CalculateRange();
List <FDCreature> targets = gameAction.GetCreatureInRange(magicScope, CreatureFaction.Enemy);
if (targets == null || targets.Count == 0)
{
// Cannot spell on that position, do nothing
return(StateOperationResult.None());
}
else
{
gameAction.DoCreatureSpellMagic(this.Creature.CreatureId, this.Magic.MagicId, position);
return(StateOperationResult.Clear());
}
}
else
{
// Cancel the magic
return(StateOperationResult.Pop());
}
}
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);
}
public void AddValidPosition(FDRange range, FDPosition pos)
{
if (pos.X <= 0 || pos.X > gameField.Width || pos.Y <= 0 || pos.Y > gameField.Height)
{
return;
}
range.AddPosition(pos);
}
public override void OnEnter()
{
base.OnEnter();
if (range == null)
{
DirectRangeFinder finder = new DirectRangeFinder(gameAction.GetField(), this.Creature.Position, 1, 1);
range = finder.CalculateRange();
}
ShowRangePack rangePack = new ShowRangePack(range);
SendPack(rangePack);
}
public override void OnEnter()
{
base.OnEnter();
if (this.ItemRange == null)
{
DirectRangeFinder rangeFinder = new DirectRangeFinder(this.gameAction.GetField(), this.Creature.Position, 1);
this.ItemRange = rangeFinder.CalculateRange();
}
// Display the attack range on the UI.
ShowRangePack pack = new ShowRangePack(this.ItemRange);
SendPack(pack);
}
public void PlaceIndicators(FDRange range)
{
ClearCancellableObjects();
foreach (FDPosition pos in range.Positions)
{
// Put indicator on the position
GameObject obj = new GameObject();
obj.transform.parent = fieldObjectsRoot;
UIIndicator indicator = obj.AddComponent <UIIndicator>();
indicator.Initialize(this, pos);
cancellableObjects.Add(obj);
}
}
public override void OnEnter()
{
base.OnEnter();
if (this.AttackRange == null)
{
AttackItemDefinition attackItem = this.Creature.Data.GetAttackItem();
if (attackItem == null)
{
return;
}
FDSpan span = attackItem.AttackScope;
DirectRangeFinder finder = new DirectRangeFinder(gameAction.GetField(), this.Creature.Position, span.Max, span.Min);
this.AttackRange = finder.CalculateRange();
}
// Display the attack range on the UI.
ShowRangePack pack = new ShowRangePack(this.AttackRange);
SendPack(pack);
}
public ShowRangePack(FDRange range)
{
this.Type = PackType.ShowRange;
this.Range = range;
}
public SelectAttackTargetState(IGameAction action, FDCreature creature) : base(action)
{
this.Creature = creature;
this.AttackRange = null;
}