Updated item_generator code to emit gen started/finished signals. hooked up level to play drill animations though the anim player is missing the actual animation

scripts/item_generator/item_generator.gd

@@ -1,4 +1,6 @@
 extends Damageable
+signal gen_started
+signal gen_finished
 
 enum EState {IDLE, WORKING, BLOCKED, BROKEN, NUM_STATES}
 

scripts/item_generator/state/working.gd

@@ -16,6 +16,7 @@ func enter_from(state):
 	ctx.progress_text.text = "Progress: 0%"
 	ctx.status_light.activate()
 	ctx.gen_timer.start()
+	ctx.emit_signal("gen_started")
 
 func exit_to(state):
 	pass
@@ -36,6 +37,7 @@ func on_gen_timer_timeout():
 			item_slot.spawn_item(ctx.gen_item)
 			count += 1
 		item_slot.add_enabled = true
+	ctx.emit_signal("gen_finished")
 	ctx.change_state(ctx.States[ctx.EState.BLOCKED].new("Finished!"))
 
 func on_item_slot_item_changed(item):