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      1 
      2 This is the complete source code for winquake, glquake, quakeworld, and 
      3 glquakeworld.
      4 
      5 The projects have been tested with visual C++ 6.0, but masm is also required 
      6 to build the assembly language files.  It is possible to change a #define and 
      7 build with only C code, but the software rendering versions lose almost half 
      8 its speed.  The OpenGL versions will not be effected very much.  The 
      9 gas2masm tool was created to allow us to use the same source for the dos, 
     10 linux, and windows versions, but I don't really recommend anyone mess 
     11 with the asm code.
     12 
     13 The original dos version of Quake should also be buildable from these 
     14 sources, but we didn't bother trying.
     15 
     16 The code is all licensed under the terms of the GPL (gnu public license).  
     17 You should read the entire license, but the gist of it is that you can do 
     18 anything you want with the code, including sell your new version.  The catch 
     19 is that if you distribute new binary versions, you are required to make the 
     20 entire source code available for free to everyone.
     21 
     22 Our previous code releases have been under licenses that preclude 
     23 commercial exploitation, but have no clause forcing sharing of source code.  
     24 There have been some unfortunate losses to the community as a result of 
     25 mod teams keeping their sources closed (and sometimes losing them).  If 
     26 you are going to publicly release modified versions of this code, you must 
     27 also make source code available.  I would encourage teams to even go a step 
     28 farther and investigate using public CVS servers for development where 
     29 possible.
     30 
     31 The primary intent of this release is for entertainment and educational 
     32 purposes, but the GPL does allow commercial exploitation if you obey the 
     33 full license.  If you want to do something commercial and you just can't bear 
     34 to have your source changes released, we could still negotiate a separate 
     35 license agreement (for $$$), but I would encourage you to just live with the 
     36 GPL.
     37 
     38 All of the Quake data files remain copyrighted and licensed under the 
     39 original terms, so you cannot redistribute data from the original game, but if 
     40 you do a true total conversion, you can create a standalone game based on 
     41 this code.
     42 
     43 I will see about having the license changed on the shareware episode of 
     44 quake to allow it to be duplicated more freely (for linux distributions, for 
     45 example), but I can't give a timeframe for it.  You can still download one of 
     46 the original quake demos and use that data with the code, but there are 
     47 restrictions on the redistribution of the demo data.
     48 
     49 If you never actually bought a complete version of Quake, you might want 
     50 to rummage around in a local software bargain bin for one of the originals, 
     51 or perhaps find a copy of the "Quake: the offering" boxed set with both 
     52 mission packs.
     53 
     54 Thanks to Dave "Zoid" Kirsh and Robert Duffy for doing the grunt work of 
     55 building this release.
     56 
     57 John Carmack
     58 Id Software
     59 
     60 
     61