update

scripts/enemy/enemy_aggro.gd

@@ -1,7 +1,9 @@
 extends Node
 
 const AGGRO_DECAY := 1.0
+const PORTAL_RADIUS := 10.0
 var aggro_table: Dictionary = {}
+var seconds_outside := 0.0
 
 @onready var enemy: CharacterBody3D = get_parent()
 
@@ -10,15 +12,32 @@ func _ready() -> void:
   EventBus.entity_died.connect(_on_entity_died)
 
 func _process(delta: float) -> void:
+  var outside_portal := false
+  if enemy.portal and is_instance_valid(enemy.portal):
+    var dist_to_portal: float = enemy.global_position.distance_to(enemy.portal.global_position)
+    if dist_to_portal > PORTAL_RADIUS:
+      outside_portal = true
+      seconds_outside += delta
+    else:
+      seconds_outside = 0.0
+
   for player in aggro_table.keys():
-    aggro_table[player] -= AGGRO_DECAY * delta
+    var decay: float = AGGRO_DECAY * delta
+    if outside_portal:
+      var bonus_decay: float = aggro_table[player] * 0.01 * pow(2, seconds_outside) * delta
+      decay += bonus_decay
+    aggro_table[player] -= decay
     if aggro_table[player] <= 0:
       aggro_table.erase(player)
+
   var top_target: Node = _get_top_target()
   if top_target and top_target != enemy.target:
     enemy.target = top_target
     if enemy.state == enemy.State.IDLE or enemy.state == enemy.State.RETURN:
       enemy.state = enemy.State.CHASE
+  elif not top_target and enemy.state != enemy.State.IDLE and enemy.state != enemy.State.RETURN:
+    enemy.target = null
+    enemy.state = enemy.State.RETURN
 
 func _on_damage_dealt(attacker: Node, target: Node, amount: float) -> void:
   if target != enemy: