mob ai Chase state work

src/engine/ai/MobileFSM.java

@@ -1730,12 +1730,22 @@ public class MobileFSM {
         mob.nextCallForHelp = System.currentTimeMillis() + 60000;
     }
     public static void handleMobChase(Mob mob){
-        if(CombatUtilities.inRange2D(mob,mob.getCombatTarget(),mob.getRange()) == true) {
-            MovementUtilities.moveToLocation(mob, mob.getLoc(), 0);
+        if (!MovementUtilities.inRangeDropAggro(mob, (PlayerCharacter) mob.getCombatTarget())) {
+            mob.setAggroTargetID(0);
+            mob.setCombatTarget(null);
+            MovementUtilities.moveToLocation(mob, mob.getTrueBindLoc(), 0);
+            mob.setState(STATE.Awake);
+            return;
+        }
+        float range = mob.getRange();
+        float distance = mob.getLoc().distanceSquared2D(mob.getCombatTarget().getLoc());
+        boolean inRange = mob.getLoc().inRange2D(mob.getCombatTarget().getLoc(),range);
+        if(range > distance) {
+            mob.stopMovement(mob.getLoc());
             mob.setState(STATE.Attack);
         }
-        else{
-            mob.destination = MovementUtilities.GetDestinationToCharacter(mob, (AbstractCharacter) mob.getCombatTarget());
+        else if(mob.isMoving() == true){
+                mob.destination = mob.getCombatTarget().getLoc();//MovementUtilities.GetDestinationToCharacter(mob, (AbstractCharacter) mob.getCombatTarget());
                 MovementUtilities.moveToLocation(mob, mob.destination, mob.getRange());
         }
     }

src/engine/ai/utilities/CombatUtilities.java

@@ -16,6 +16,7 @@ import engine.ai.MobileFSM.STATE;
 import engine.gameManager.ChatManager;
 import engine.gameManager.CombatManager;
 import engine.gameManager.PowersManager;
+import engine.math.Vector3f;
 import engine.math.Vector3fImmutable;
 import engine.net.DispatchMessage;
 import engine.net.client.msg.PerformActionMsg;
@@ -84,18 +85,7 @@ public class CombatUtilities {
 
 	}
 	public static boolean inRange2D(AbstractWorldObject entity1, AbstractWorldObject entity2, double range){
-		Vector3fImmutable loc1 = entity1.getLoc();
-		Vector3fImmutable loc2 = entity2.getLoc();
-		double sum = 0;
-		double x = loc1.x - loc2.x;
-		sum += x * x;
-		double z = loc1.z - loc2.z;
-		sum += z * z;
-		if((sum*sum) <= (range*range)){
-			return true;
-		} else {
-			return false;
-		}
+		return entity1.getLoc().distance2D(entity2.getLoc()) < range;
 	}
 	public static void swingIsBlock(Mob agent,AbstractWorldObject target, int animation) {