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Comment on Doom 3 BFG Edition source code released

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I think it's really interesting that the implementation of Carmack's Reverse is intentionally left out of the source code release. Is this a lingering effect of the patent bullshit Creative Labs pulled back in the day with the original Doom 3?

According to Carmack, it really wasn't that difficult to program around it, which I'm sure made the decision easier.

https://twitter.com/ID_AA_Carmack/status/136614459887202305

https://twitter.com/ID_AA_Carmack/status/137189212519792640

You might find my previous comment about this topic interesting:

https://news.ycombinator.com/item?id=4088162

Here is the code section that you might find interesting in tr_backend_draw.cpp. The comments start at line 1439:

https://github.com/id-Software/DOOM-3-BFG/blob/master/neo/re...

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