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mh Joined: 12 Jan 2008 Posts: 910 |

Posted: Wed May 21, 2008 9:39 pm Post subject: |

Not to give the impression that Quake can't do open spaces, of course. The engine is perfectly capable of rendering anything that can be expressed in it's BSP format, including very very very wide open spaces. Just that the rendering algorithms it uses are very sub-optimal when it comes to that kind of scene.
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LordHavoc Joined: 05 Nov 2004 Posts: 243 Location: western Oregon, USA |

Posted: Wed May 21, 2008 9:43 pm Post subject: |

mh wrote:
Not to give the impression that Quake can't do open spaces, of course. The engine is perfectly capable of rendering anything that can be expressed in it's BSP format, including very very very wide open spaces. Just that the rendering algorithms it uses are very sub-optimal when it comes to that kind of scene.

The video motorsep linked was in q3bsp format, which is much more outdoor-friendly (as long as the lightgrid is set stupidly large, otherwise the bsp file becomes huge, and tweaking the blocksize can be necessary as well...).
However none of the bsp formats support level of detail switching on chunks, so they're not well suited to vast outdoor landscapes unless you use fog clipping (the Onslaught map included in Nexuiz 2.4.2, ons-reborn, uses fog clipping for this purpose), which is clearly cheating on the whole 'vast outdoor landscapes' thing a bit.

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Urre Joined: 05 Nov 2004 Posts: 1073 Location: Sweden |

Posted: Thu May 22, 2008 10:16 am Post subject: |

Bah, screw LOD. ETQW didn't do any LOD now did it? I'd call that vast enough for most things _________________ Look out for Twigboy

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LordHavoc Joined: 05 Nov 2004 Posts: 243 Location: western Oregon, USA |

Posted: Thu May 22, 2008 11:26 am Post subject: |

Urre wrote:
Bah, screw LOD. ETQW didn't do any LOD now did it? I'd call that vast enough for most things

ETQW had no terrain LOD, but it did have architectural LOD - trees and various architectural details would fade out in the distance (using a strange dither mask thing).
It also had very low poly terrain.

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Urre Joined: 05 Nov 2004 Posts: 1073 Location: Sweden |

Posted: Fri May 23, 2008 6:39 am Post subject: |

Yes well there's the point, you can still do LOD on such things. Just keep the trees and "architectural details" as entities, and you can fade them or change their model as much as you like. _________________ Look out for Twigboy

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