I've tried to make this so it almost never under-compensates, and over-compensates very little where possible.
I don't think it's 1:1 to software's current behaviour, and probably never will be due to software being very strange.

Fixes SIGSEGV when saving a replay.

Has the added benefit of fixing noclip camera for opengl
Unfortunately SkyWalls are kinda broken with this. I'll be looking into them shortly.

Send back 32 players worth of playerinfo regardless of MAXPLAYERS. Fill the extra with unconnected nodes.

This reverts commit 4d739fe7.

This reverts commit aa4ce2b2.

This reverts commit fc8ebe83.

I'm faily certain this also fixes broken logic (g_game.c).

The truncation handling in this one spot is okay, but the compiler isn't smart
enough for it. I'm leaving it as a warning because I'd like to make a dedicated
function for handling snprintf truncation in the future.

This reverts commit 995edfb1.

THIS SHOULD BE THE LAST TIME I SWEAR

This reverts commit a2a63c5e.

Vid_BlitLinearScreen didn't make sure that it was actually meant to be copying the entire screen rows before doing it properly.

(You may also be able to actually read that code too.)