ft: made sprite behaviour consistent across entities

evolve-die-repeat/shared/npc/abstractNPC.gd

@@ -2,6 +2,7 @@ extends Node
 class_name NPC
 
 @export var maxHealth: int = 0
+@export var idle_sprite: String = "Healthy"
 var health: int = maxHealth
 
 signal died
@@ -29,4 +30,9 @@ func die() -> void:
 	
 func move(destination: Vector3) -> void:
 	push_error("Function move() not implemented.")
-	
+
+func play_sprite(anim: String) -> void:
+	if "sprite" in self:
+		self.sprite.play(anim)
+	if "wrapper" in self:
+		self.wrapper.play_sprite(anim)