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Is it possible to adapt the toon shader to react to regular dynamic lights(instead of the sun) or will that have to wait until the light management stuff is implemented.

yes, this will be much easier once the new light management is implemented!

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Like with a 3rd person camera...when you rotate into a wall and the camera gets close to or enters the player...they fade out...at a certain distance they vanish.

oh! now i understand what you want. i will think of something if i have some time. in theory you only have to pass the model's alpha to the shader and use it in both passes.

i thought you want to use a model texture with alpha channel and the solution above would be for that (if it worked)...