Wolfenstein 3D for DOS/4GW
This version will compile under Open Watcom C/C++ V2.0 beta (April 2015).
We are releasing this code for the entertainment of the user community. We don't guarentee that anything even builds in here. Projects just seem to rot when you leave them alone for long periods of time. This is all the source we have relating to the original PC wolfenstein 3D project. We haven't looked at this stuff in years, and I would probably be horribly embarassed to dig through my old code, so please don't ask any questions about it. The original project was built in borland c++ 3.0. I think some minor changes were required for later versions. You will need the data from a released version of wolf or spear to use the exe built from this code. You can just use a shareware version if you are really cheap. Some coding comments in retrospect: The ray casting refresh architecture is still reasonably appropriate for the game. A BSP based texture mapper could go faster, but ray casting was a lot simpler to do at the time. The dynamically compiled scaling routines are now a Bad Thing. On uncached machines (the original target) they are the fastest possible way to scale walls, but on modern processors you just wind up thrashing the code cash and wrecking performance. A simple looping texture mapper would be faster on 486+ machines. The whole page manager caching scheme is unecessarily complex. Way too many #ifdefs in the code! Some project ideas with this code: Add new monsters or weapons. Add taller walls and vertical motion. This should only be done if the texture mapper is rewritten. Convert to a 32 bit compiler. This would be a fair amount of work, but I would hate to even mess with crusty old 16 bit code. The code would get a LOT smaller. Make a multi-player game that runs on DOOM sersetup / ipxsetup drivers. Have fun... John Carmack Technical Director Id Software
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