update

scripts/components/spawner.gd

@@ -0,0 +1,44 @@
+extends Node
+
+@export var spawn_scene: PackedScene
+@export var spawn_count := 3
+@export var thresholds: Array[float] = [0.85, 0.70, 0.55, 0.40, 0.25, 0.10]
+
+var triggered: Array[bool] = []
+
+@onready var parent: Node3D = get_parent()
+@onready var health: Node = get_parent().get_node("Health")
+
+func _ready() -> void:
+  triggered.resize(thresholds.size())
+  triggered.fill(false)
+
+func _process(_delta: float) -> void:
+  if not spawn_scene or health.current_health <= 0:
+    return
+  var ratio: float = health.current_health / health.max_health
+  for i in range(thresholds.size()):
+    if not triggered[i] and ratio <= thresholds[i]:
+      triggered[i] = true
+      _spawn()
+
+func _spawn() -> void:
+  var spawned: Array = []
+  for j in range(spawn_count):
+    var entity: Node = spawn_scene.instantiate()
+    var offset := Vector3(randf_range(-2, 2), 0, randf_range(-2, 2))
+    parent.get_parent().add_child(entity)
+    entity.global_position = parent.global_position + offset
+    if "spawn_position" in entity:
+      entity.spawn_position = parent.global_position
+    if "portal" in entity:
+      entity.portal = parent
+    spawned.append(entity)
+  var player: Node = get_tree().get_first_node_in_group("player")
+  if player:
+    var dist: float = parent.global_position.distance_to(player.global_position)
+    if dist <= 10.0:
+      for entity in spawned:
+        if entity.has_method("_engage"):
+          entity._engage(player)
+  EventBus.portal_spawn.emit(parent, spawned)