8 files changed, 50 insertions, 3 deletions
diff --git a/scripts/actors/AI/HostileEnemyAI.cs b/scripts/actors/AI/HostileEnemyAI.cs
index 3989004..af87360 100644
--- a/scripts/actors/AI/HostileEnemyAI.cs
+++ b/scripts/actors/AI/HostileEnemyAI.cs
@@ -47,6 +47,8 @@ public partial class HostileEnemyAI : BaseAI
 			Vector2I destination = (Vector2I) path[0];
 			// Se tiver um outro ator no caminho, paramos o nosso turno aqui.
 			if (body.Map_Data.GetBlockingActorAtPosition(destination) != null) {
+				action = new WaitAction(body);
+				action.Perform();
 				return;
 			}
 
@@ -55,6 +57,12 @@ public partial class HostileEnemyAI : BaseAI
 			action.Perform();
 			// Podemos remover o passo do caminho.
 			path.RemoveAt(0);
+			return;
 		}
+
+		// Senão, espere.
+		action = new WaitAction(body);
+		action.Perform();
+		return;
 	}
 }
 \ No newline at end of file
diff --git a/scripts/actors/Actor.cs b/scripts/actors/Actor.cs
index 642e9fd..b651286 100644
--- a/scripts/actors/Actor.cs
+++ b/scripts/actors/Actor.cs
@@ -21,7 +21,36 @@ public abstract partial class Actor : Sprite2D
     /// Se o ator está vivo.
     /// </summary>
 	public bool IsAlive { get => Hp > 0; }
-	
+
+	private int energy;
+	/// <summary>
+	/// Utilizado no sistema de turnos.
+	/// Enquanto o ator tiver energia, ele poderá realizar turnos.
+	/// </summary>
+	public int Energy 
+	{ 
+		get => energy;
+		set
+		{
+			if (value > Speed) {
+				energy = Speed;
+			} else {
+				energy = value;
+			}
+		}
+	}
+	/// <summary>
+    /// Taxa de recarga de energia.
+    /// </summary>
+    public int Speed { get => definition.Speed; }
+
+	/// <summary>
+    /// Executado uma vez por turno,
+    /// </summary>
+	public void RechargeEnergy() {
+		Energy += Speed;
+	}
+
 	private Vector2I gridPosition = Vector2I.Zero;
 	/// <summary>
     /// Posição do ator no mapa do jogo. Diferentemente de Position, GridPosition tem como formato 
diff --git a/scripts/actors/ActorDefinition.cs b/scripts/actors/ActorDefinition.cs
index 7f67787..ab0160b 100644
--- a/scripts/actors/ActorDefinition.cs
+++ b/scripts/actors/ActorDefinition.cs
@@ -21,6 +21,8 @@ public partial class ActorDefinition : Resource
 	// Se o ator bloqueia movimento.
 	[Export]
 	public bool blocksMovement = true;
+	[Export]
+	public int Speed { get; set;} = 10;
 
 	// Estatísticas padrão do ator.
 	[ExportCategory("Stats")]
diff --git a/scripts/actors/actions/Action.cs b/scripts/actors/actions/Action.cs
index 0320dd8..f20e262 100644
--- a/scripts/actors/actions/Action.cs
+++ b/scripts/actors/actions/Action.cs
@@ -11,8 +11,13 @@ public abstract partial class Action : RefCounted {
     /// </summary>
 	protected Actor actor;
 
+    // O custo da ação.
+	protected int cost;
+
 	public Action(Actor actor) {
 		this.actor = actor;
+		// Custo base, subclasses podem sobreescrever isto se quiserem.
+		cost = 10;
 	}
 
 	/// <summary>
diff --git a/scripts/actors/actions/BumpAction.cs b/scripts/actors/actions/BumpAction.cs
index 0ce7fbe..805520c 100644
--- a/scripts/actors/actions/BumpAction.cs
+++ b/scripts/actors/actions/BumpAction.cs
@@ -11,10 +11,10 @@ public partial class BumpAction : DirectionalAction
 	{
 	}
 
+	// Como esta ação inevitavelmente gera outras ações,
+	// não faz sentido descontar a energia do ator.
 	public override void Perform()
 	{
-		Vector2I destination = actor.GridPosition + Offset;
-
 		// Declaramos uma ação genérica.
 		Action action;
 
diff --git a/scripts/actors/actions/MeleeAction.cs b/scripts/actors/actions/MeleeAction.cs
index c61a803..56a2dc3 100644
--- a/scripts/actors/actions/MeleeAction.cs
+++ b/scripts/actors/actions/MeleeAction.cs
@@ -32,6 +32,7 @@ public partial class MeleeAction : DirectionalAction
 			attackDesc += $" mas {target.ActorName} tem músculos de aço.";
 		}
 
+		actor.Energy -= cost;
 		GD.Print(attackDesc);
 	}
 }
diff --git a/scripts/actors/actions/MovementAction.cs b/scripts/actors/actions/MovementAction.cs
index b37f9ae..6cec875 100644
--- a/scripts/actors/actions/MovementAction.cs
+++ b/scripts/actors/actions/MovementAction.cs
@@ -18,6 +18,7 @@ public partial class MovementAction : DirectionalAction
 		// Na maioria dos casos, essa condição nunca é verdadeira.
 		if (GetTargetActor() != null) return;
 
+		actor.Energy -= cost;
 		actor.Walk(Offset);
 	}
 }
diff --git a/scripts/actors/actions/WaitAction.cs b/scripts/actors/actions/WaitAction.cs
index 4ad064a..2d3ccc2 100644
--- a/scripts/actors/actions/WaitAction.cs
+++ b/scripts/actors/actions/WaitAction.cs
@@ -96,6 +96,7 @@ public partial class WaitAction : Action
 //@@@@@@@@@@@@*====+==++=*@.     @      @@*     .@*   @   .*#.   @   @*   #:   -@   @@%   @   -+     =*%@@=   @@:   @   @  +.  #+     *@@@@@@@@@@@@@@@@@@@@@@@
 //@@@@@@@@@@@======++====+*%@@@@%%%@@@@%*+#@@@@@%#%@@#=+**=. =**+=***==*#*:  :%@@@@@@@@@**=+#*==*###*=.  -=**+::@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
 //@@@@@@@@@@+==+==++=====++=====++=+++++++++===+++++#%                    +@@@*   :#%=                             =@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
+		actor.Energy -= cost;
 	}