Update Rover rocks to have Geode mesh

scripts/comm_station/state/broken.gd

@@ -10,6 +10,7 @@ func _init():
 func enter_from(state):
 	ctx.coin_machine.enabled = false
 	ctx.item_dump.enabled = true
+	ctx.item_dump.reset()
 	ctx.status_text.text = "Offline. Needs Repair"
 	ctx.status_light.fail()
 

scripts/item_dump.gd

@@ -16,7 +16,6 @@ var items_remaining = []
 
 func _ready():
 	assert(items_required.size() <= 2)
-	reset()
 	update_item_balloons()
 
 func reset():
@@ -24,6 +23,7 @@ func reset():
 	for item in items_required:
 		assert(item != null)
 		items_remaining.push_back(item)
+	update_item_balloons()
 
 func on_player_interact(player) -> bool:
 	if not enabled:

scripts/rover_game.gd

@@ -41,10 +41,9 @@ func _on_collection_area_area_entered(area):
 
 func _process(delta):
 	$"%progress_bar".value = timer.time_left * 100.0 / timer.wait_time
-	var dir_vec : Vector3 = level_arrow.transform.origin - rover.transform.origin
-	var distance = dir_vec.length() - arrow_viz_distance
-	var pct = 0.0 if distance < 0 else (distance / arrow_viz_distance)
-	level_arrow.get_active_material(0).set_shader_param("alpha", pct)
+	var distance = rover.transform.origin.z - level_arrow.transform.origin.z
+	var pct = 0.0 if distance <= arrow_viz_distance else ((distance - arrow_viz_distance) / arrow_viz_distance)
+	level_arrow.get_active_material(0).set_shader_param("alpha", min(pct, 1.0))
 
 func _on_Timer_timeout():
 	emit_signal("game_over")