refactor

systems/loot_system.gd

@@ -0,0 +1,27 @@
+extends Node
+
+const LOOT_SCENE: PackedScene = preload("res://scenes/entities/loot/loot_drop.tscn")
+
+func _loot_root() -> Node3D:
+  var n: Node = get_node_or_null("/root/World/EntityRoot/Loot")
+  if n == null:
+    n = get_node_or_null("/root/Dungeon/EntityRoot/Loot")
+  return n
+
+func drop_loot_for(entity: Node, pos: Vector3) -> void:
+  if not (multiplayer.is_server() or multiplayer.multiplayer_peer == null):
+    return
+  var root := _loot_root()
+  if root == null:
+    return
+  var amount: int = 1
+  var item_id: StringName = &"essence"
+  if entity.is_in_group("boss"):
+    amount = 5 + randi() % 5
+  var loot: Area3D = LOOT_SCENE.instantiate()
+  loot.item_id = item_id
+  loot.amount = amount
+  loot.name = "Loot_%d" % (Time.get_ticks_msec() + randi() % 1000)
+  root.add_child(loot, true)
+  loot.global_position = pos + Vector3(randf_range(-0.5, 0.5), 0.4, randf_range(-0.5, 0.5))
+  EventBus.loot_dropped.emit([item_id], loot.global_position)