Quake modification, that adds Portal Gun. Official site: http://www.moddb.com/mods/quake-portal-gun
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README.md

Quake Portal Gun

Description

Portal Gun (Handheld Portal Device) is a device that creates and inter-spatial portal (wormhole) in level. It is quaked version of the gun from game Portal (part of Orange box) by Valve software <www.valvesoftware.com> also implemented in some half-life games. Ussage is simple: fire with the portal gun to the desired locations to opend first and second portals. Now, the wormhole is created between them. You can enter it, or close it down.

This mod tries to simulate (poorly) the physic as seen in original Portal game. That means, when you enter the first portal, your velocity and angles is restored on the other side of wormhole. This allows you to do big jumps and other tricks.

Teleporting of pickups is possible, which allows interesting strategies (like gathering pickups on one place and the pick them all up at once; or reaching distant items just by shooting at them.)

Portal Gun can also be used as item carrier. Simply aim the item and press 'f'. To drop carried item, press 'f' again.

Fig. 1 - Example of clever usage of portal gun - power of gravity:
(see 'tricks' file for more)
*EXIT*
  __      ,.,
 |  |   ,'   ',
-|  |--|-----, ',
 |  | \|/   / | |    Create portals, jump to the lower one (arrow 1)
___________/  | 2      ,.,   and the higher one will shoot you up (arrow 2)
          |   | |    ,'   ',  
          |   | |  O       ', 
          |   | |  |-       |
          |  /'-|--/\-,     |
          | /  (_)   / |    |
          |/________/  |    1
                   |   |    |
                   |   |    |
                   |   |   \|/
                   |  /'----'-- - -
                   | /     (_)
                   |/_________ _ _

Portal gun modes

Portal gun mod includes two modes: deathmatch and cooperative variant.

  • In cooperative, only one wormhole can be created. That's pretty useful in quake cooperative mode, when two players can create quick link between them - each player creates one portal gate near him. Default mode.

  • In deathmatch, every portal gun can create one wormhole; so number of possible wormholes in game equals number of players.

Compiling and usage

Use any QuakeC compiler. The fteqcc (https://github.com/xonotic/fteqcc) is even in debian repositories.

After that, you can run the mod with

$ quake -game quake-portal-gun

For demonstration, toggle console and type 'playdemo portal'.

Maps can be compiled by Quake Utils. (https://github.com/id-Software/Quake-Tools/tree/master/qutils)

They use portal.wad, which is included, and base.wad from original game data.

Commands

  • impulse 99 - use Portal Gun
  • impulse 98 - close portals down
  • impulse 97 - toggle deathmatch/cooperative mode
  • impulse 96 - fire blue portal
  • impulse 95 - fire red portal
  • impulse 94 - use item carrier

Portal Gun mod should contain autoexec.cfg file, where he keybindings are set. Controls defined in autoexec.cfg:

 [Q][W][E][R] ... [P]
  [A][S][D][F] 

P - use Portal Gun

R - close portals

Q - fire blue portal

E - fire red portal

F - use item carrier

'portal_mode' - toggle deathmatch/cooperative mode

Why I made it

My computer is too slow for running the original Valve's Portal game, but I love the YouTube videos and generally the gameplay of it. The first version of portal mod by Lag.Com was designed for making incredible fast speed demos (see http://speeddemosarchive.com - SDA; great site!). My mod was made independently and each mod had pros and cons (thanks for Mark "Markzilla" Ehlke for summary).

First version of this mod was v2.0 although there was no 1.0. It is fusion of two independently made portal gun mods.

Appeal

Note, that the mod is still in development phase. This is my very first quake mod, so I would like to ask anybody for helping me with models, levels and other things from TODO section.

On the other hand, feel free to use this gun in your mod! Just give me a credit :)