The original tutorial for this was made by Sparkymcsparks and C.H.N. you can find C.H.N.´s tut here, and sparkys tut here.

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Pretty great tuto Hammy, but isn't it a bad idea to replace stock material? You can just name the material anything else and then rename it "sun_flare" when copied in your mod folder.

Pretty great tuto Hammy, but isn't it a bad idea to replace stock material? You can just name the material anything else and then rename it "sun_flare" when copied in your mod folder.

it actually doesnt replace the stock one I already had the lens flare texture compiled for another map and as you can see in the first compile its the default one still