Added some kind of sprite + updated tooltip

Author: maddie480

Ahorn/entities/underwaterSwitchController.jl

@@ -16,6 +16,6 @@ function Ahorn.selection(entity::UnderwaterSwitchController)
     return Ahorn.Rectangle(x - 12, y - 12, 24, 24)
 end
 
-Ahorn.render(ctx::Ahorn.Cairo.CairoContext, entity::UnderwaterSwitchController, room::Maple.Room) = Ahorn.drawImage(ctx, Ahorn.Assets.northernLights, -12, -12)
+Ahorn.render(ctx::Ahorn.Cairo.CairoContext, entity::UnderwaterSwitchController, room::Maple.Room) = Ahorn.drawSprite(ctx, "ahorn/SpringCollab2020/underwater_switch", 0, 0)
 
 end

Ahorn/lang/en_gb.lang

@@ -92,4 +92,4 @@ placements.entities.SpringCollab2020/FlagSwitchGate.tooltips.finishColor=The gat
 placements.entities.SpringCollab2020/FlagSwitchGate.tooltips.sprite=The texture for the gate block.
 
 # Underwater Switch Controller
-placements.entities.SpringCollab2020/UnderwaterSwitchController.tooltips.flag=When this session flag is set, the whole room will be covered with water.
+placements.entities.SpringCollab2020/UnderwaterSwitchController.tooltips.flag=The session flag the controller is listening to. Activating this flag will flood the room with water, deactivating it will remove that water.