Doom classic - Sourceports, WADs, and MODs

[TurinTur]

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@TurinTur

It’s a pity modern engines like GZDoom have still this limitation, I remember I started lowering diverse graphical options (AA, texture res., lightning, etc) and it barely made a dent, the framerate stays low when looking at specific directions.

The problem is the BSP map format and the sector/portal algorithm you need to traverse it. The original Half life engine had similar problems and would slow to a crawl on large ‘open’ maps. I’m also surprised gzdoom hasnt worked around the problem somehow, but maybe it needs to closely adhere to the original to be able to play maps properly???

I had the same explanation in another forum, it’s related to the BSP format itself. It seems it’s too at the core of how the renderer works to be fixed. They also can’t put a visibility distance slider for the same reason.

Download the new version of Sunder and skip to map 15, you will want to laugh (and cry).