Megatexture Technology Mod

if you enjoyed the look of, and using/playing with the popular Megatexture Technology Mod from late last year, then thi...

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if you enjoyed the look of, and using/playing with the popular Megatexture Technology Mod from late last year, then this download is right up your alley! The Megatexture Technology Mod showcases John Carmack's early version of the Megatexture technology which lies hidden in the DooM³ engine based games. This mod willwork with Doom 3 / Quake 4 and Prey, but the developer has added some DooM³ specific vehicles.

  • Some of the changes/additions since the last version are:
    • A crude attempt at making the ET: Quake Wars Valley map!
    • Objects cast shadow on megatexture.
    • Blending between Megatexture levels.
    • More than halved the Megatexture render program size by using a different approach (original file still in the glprogs folder).
    • Detail texture, effectively adding another Megatexture level.
    • Added vehicles and water.
      • press F to enter vehicles
      • press G to toggle third person

View the development log by clicking here. A custom program was made to create the Megatexture, you may download the Megagen tool by clicking here.

Refer to the readme for more information.

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Download 'megatexture_d3_v2.zip' (91.66MB)

Screenshots
Readme
======================
NAME
======================
Megatexture Technology Mod V2

======================
DESCRIPTION
======================
Showcases John Carmack's early version of the Megatexture technology
which lies hidden in the Doom 3 engine based games. It serves as a
proof of concept.

CVars:
- r_showMegatextureLabels - Show resolution bands
- r_showMegatexture - Show megatexture levels
- r_skipMegatexture and r_skipMegatextureLevel is broken

Tech works in Doom 3/Quake 4/Prey, but added some Doom 3 specific vehicles. Only Doom 3 map was created.

What's new since the first release:
* A crude attempt at making the ET: Quake Wars Valley map!
* Objects cast shadow on megatexture.
* Blending between Megatexture levels.
* More than halved Megatexture render program size by using a different approach (original file still in the glprogs folder).
* Detail texture, effectively adding another Megatexture level.
* Added vehicles (press f to enter vehicles, g to toggle third person) and water.

The Megatexture has a size of 2048x2048.

A custom program was made to create the Megatexture, you may download the Megagen tool at: http://www.mapsbytron.com/files/doom3_stuff/valley-d3-final/megagen%20-%20FOR%20RELEASE.zip
Read the readme for how to generate the 16kx16k Megatexture of the map yourself.

See development log at: http://www.gamedev.no/megatexture_valley/valley.html

======================
COMPARISONS TO QUAKE WARS
======================
* Terrain scale is ~2/3 of Quake Wars maps.
* The 32768x32768 Megatextures in Quake Wars has 128 times the texture
  detail you have in this demo.
* What would be a 5.7GB Megatexture in D3/Q4/Prey takes only ~500MB in
  Quake Wars. Or in other words: The 2048x2048 Megatexture in this mod
  would have been 2MB and not 22MB.

======================
INSTALL & RUN
======================
You need Doom 3.

1. unpack into the game folder.
2. run this found in the unpacked 'megatexture2' folder:
 - megatexture2_d3.bat

======================
LEGAL
======================
* May be distributed as you wish as long as long as the zip stays
  unmodified.
* Notify me if you'd like to use the mod in your mod.
* Give credit if you use any parts of this mod in your mod.

======================
CONTACT
======================
arneolav at hotmail.com

======================
CREDITS
======================
- Arne Olav Hallingstad
  Megagen tool & Megatexture render program
- Tron
  Mapping & Megatexture generation
- Rebb
  Shadow casting on Megatexture
- Black Dog 
  Tree models & textures
- pbmax
  Thanks for the water shader

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AO


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Registered 23rd November 2006

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