add essence and magic table

scripts/Enemy.gd

@@ -1,9 +1,10 @@
 class_name Enemy
 extends CharacterBody3D
 
-const PICKUP_SCENE  := preload("res://scenes/Pickup.tscn")
-const LEATHER_SCENE := preload("res://scenes/Leather.tscn")
-const IRON_SCENE    := preload("res://scenes/Iron.tscn")
+const PICKUP_SCENE   := preload("res://scenes/Pickup.tscn")
+const LEATHER_SCENE  := preload("res://scenes/Leather.tscn")
+const IRON_SCENE     := preload("res://scenes/Iron.tscn")
+const ESSENCE_SCENE  := preload("res://scenes/Essence.tscn")
 
 signal died(points: int)
 signal merged(upgrade: bool)
@@ -12,6 +13,7 @@ enum State { CHASING, FLYING, STUNNED, DEAD, MERGING }
 
 static var first_leather_spawned: bool = false
 static var first_iron_spawned: bool = false
+static var first_essence_spawned: bool = false
 
 var kickable_type: String = ""
 var tier: int = 1
@@ -277,6 +279,14 @@ func _try_drop_pickup() -> void:
 			get_parent().add_child(iron)
 			iron.global_position = global_position
 
+	if enemy_level == 3:
+		var drop_essence := not first_essence_spawned or randf() < 0.20
+		if drop_essence:
+			first_essence_spawned = true
+			var essence := ESSENCE_SCENE.instantiate() as Node3D
+			get_parent().add_child(essence)
+			essence.global_position = global_position
+
 	var roll := randf()
 	var p_type := ""
 	var p_heal := 0