ThreadService implementation

Signed-off-by: Rogiel <rogiel@rogiel.com>

src/main/java/com/l2jserver/model/world/NPC.java

@@ -29,6 +29,12 @@ import com.l2jserver.service.game.ai.AIScript;
  * @author <a href="http://www.rogiel.com">Rogiel</a>
  */
 public class NPC extends Actor {
+	private NPCState state;
+
+	public enum NPCState {
+		MOVING, ATTACKING;
+	}
+
 	/**
 	 * Creates a new instance
 	 * 
@@ -39,6 +45,42 @@ public class NPC extends Actor {
 		super(templateID);
 	}
 
+	/**
+	 * @return the state
+	 */
+	public NPCState getState() {
+		return state;
+	}
+
+	/**
+	 * @return true if NPC is idle
+	 */
+	public boolean isIdle() {
+		return state == null;
+	}
+
+	/**
+	 * @return true if NPC is idle
+	 */
+	public boolean isMoving() {
+		return state == NPCState.MOVING;
+	}
+
+	/**
+	 * @return true if NPC is idle
+	 */
+	public boolean isAttacking() {
+		return state == NPCState.ATTACKING;
+	}
+
+	/**
+	 * @param state
+	 *            the state to set
+	 */
+	public void setState(NPCState state) {
+		this.state = state;
+	}
+
 	@Override
 	public ActorSex getSex() {
 		return this.getTemplate().getSex();