I've PM'ed you a link to an example WAD.
Try firing rockets, BFGs or plasmas to the wall with the god rays. The two 1-sided walls beside them light up; but the 2-sided wall doesn't light up.
			
			
									
						
										
						[156] Dynamic lights don't affect middle texture?
Moderator: Graf Zahl
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				Nash
														 - Developer

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				Graf Zahl
														 - GZDoom Developer

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It's your texture. Dynamic lights don't work on textures with an alpha channel that contains other values than 0 and 1. Sorry, that's not easily fixable. To do dynamic lights on two-sided walls I need to mask the texture and this isn't possible here. For normal textures it is just a few GL state settings to render a mask.
			
			
									
						
										
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				Nash
														 - Developer

 - Posts: 1226
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 - Location: Kuala Lumpur, Malaysia