Fixed: Missing fakeradio plane shadows for edges of two-sided linedefs with skymasked materials front and back but with a zero-height backsector. Caused due to an older test which attempted to handle the one-way window trick (now handled as a special case a few lines above).
Fixed: Missing fakeradio plane shadows for edges of two-sided linedefs with skymasked materials front and back but with a zero-height backsector. Caused due to an older test which attempted to handle the one-way window trick (now handled as a special case a few lines above).