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3D Spotlight : Tweaking : Unreal tweak guide

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Unreal tweak guide
Last Updated on September 07, 2000 by Thomas McGuire - Page 3/10

Renderer

Open the Advanced Options menu & open the Driver tab.

For the GameRenderDevice option you can select the renderer you wish to use for the game. If you have a - 3dfx graphics card you should select 3dfx Glide for Windows, s3 graphics card you should select S3 MeTaL for Windows, PowerVR graphics cards should select PowerVR SGL for Windows, all others should select Direct3D Support first, then OpenGL Support if Direct3d doesnt run well. Finally if you have no 3d capable graphics card use Software Rendering.

Rendering 3dfx Glide support

If you've selected Glide, then open up the 3dfx Glide support tab. Set the following options. Users of Glide should have no problem whatsoever running the game with all the details on.

Coronas. set this to True. This is the haze of light that appears around light sources in the game, such as lamps in the game. It has little effect on performance.

DetailBias. Try setting this to 0. This is semi-equivalent to LOD bias setting available in the Voodoo 4/5 drivers, lowering the setting may fix a few visuals anomalies.

Detail Textures. A detail texture is a very small, fine pattern which is faded in as you approach a surface, for example wood grain, or imperfections in stone. Set this to On for improved visual quality, although it may cause a severe performance hit on some graphics cards, particularly with older, nVidia based cards such as the TNT. 3dfx cards should be able to set this to On without any problems, although this is a setting you may want to try toggling to test the effects it has on your frame rate.

Set it to Off for increased performance.

DisableVSync. Set this to False to enable v-sync, to ensure that you get no display anomalies in games (tearing). Only set it to True if youre benchmarking the games performance.

HighDetailActors. Set this to True for better visuals. Setting it to False will improve performance.

RefreshRate. You should set this to the highest refresh rate your monitor allows at a given resolution. 85Hz is what most will users should set. This will effectively cap off your frame rate when vsync is enabled to whatever the refresh rate is. Setting it higher may damage your monitor.

ScreenSmoothing. Set this to True to enable screen smoothing for improved visual quality, set it to False if you want to improve performance a bit, although at the cost of some visual quality.

ShinySurfaces. Set this to True for better visuals. Shiny surfaces are the reflective surfaces in the game, e.g. on some floors you can see your (& others) reflections. Setting it to False will improve your frame rate in such areas.

VolumetricLighting. Set this to True for better visuals. Setting this to False will have a big improvement on frame rate. On most graphics cards that have trouble running Unreal setting this to False along with DetailTextures to False will mean the difference between a playable & an unplayable game.

Rendering - Direct3D support

If you've selected Direct 3d then set it as follows. NOTE With the 226 patch installed Unreal uses the same Direct3d renderer as Unreal Tournament 420.

Coronas. Set this to True. This is the haze of light that appears around light sources in the game, such as lamps in the game. Set it to False if you really need extra performance.

HighDetailActors. Set this to True for better visuals. Setting it to False will improve performance.

ShinySurfaces. Shiny surfaces are the reflective surfaces in the game, e.g. on some floors you can see your (& others) reflections. Setting it to False will improve your frame rate in such areas. Id recommend setting it to False.

Use3dfx. Only set this to True if you have a Voodoo 4 or 5 installed in your system (as it is about as fast as glide, although even still Glide runs & looks better). Do not use this for a Voodoo 3 or earlier, use Glide instead. This is only really for testing purposes.

UseAGPTextures. This setting can be used to force textures to be uploaded into local video memory only (significantly faster than AGP texturing). Setting this to True will enable Unreal to run on specific AGP cards that lack enough local texture memory. Setting it to False may improve performance &/or graphics quality on other hardware. Try setting it to False if you have a graphics card such as a GeForce or Voodoo 5 (although they don't support AGP texturing anyway). A general rule of thumb for this setting would this; If you have more than 32MB video memory set this to False. If you have less than 32MB of video memory set this to True.

UseDetailTextures. A detail texture is a very small, fine pattern which is faded in as you approach a surface, for example wood grain, or imperfections in stone. Set this to On for improved visual quality, although it may cause a severe performance hit on some graphics cards, particularly with older, nVidia based cards such as the TNT. 3dfx cards should be able to set this to On without any problems, although this is a setting you may want to try toggling to test the effects it has on your frame rate.

Set it to Off for increased performance.

UseGammaCorrection. This should be set to True, although if the game appears to be too dark in-game try setting it to False.

UseMipmapping. Mipmapping will help smooth transitions between textures (more specifically, between mip-map levels). Setting this to True will improve visuals. Performance will improve slightly when set to False. Id recommend setting this to True.

UseMultitexture. Set this to True. It will improve performance on most cards.

UsePalettes. Setting this to True can improve visual quality. Performance may be reduced however.

UsePrecache. Setting this to False will eliminate the pre-caching that you will experience when loading a level. This will removes the delay & hard drive accessing that occurs as a result of it. It can also eliminates the crashes that occur with some graphics cards when precaching. Although performance may be adversely affected when set to False. Setting it to True may improve performance on some graphics cards, although level loading will take longer.

UseTrilinear. Set this to True for improved visual quality. It should be set to False if you have less than 16MB of memory on your graphics card (Trilinear texture filtering requires extra video memory).

UseTrippleBuffering. Set this to True for improved performance (Triple buffering allocates a 3rd frame buffer. This frame buffer can improve performance by allowing the hardware to render at the same time that the 3D application performs other tasks), although it will require extra video memory. Certainly set this to False if you have less than 16MB of memory on your graphics card though as this requires extra video memory.

UseVertexFog. This toggles volumetric fog on/off in Direct3D but only in areas which have meshes. In areas without meshes (for example, the opening castle flyby sequence), this setting is useless. When set to True this will yield improved visual quality. When set to False performance will be improved in areas with meshes (player models generally). This is not the same as the VolumetricLighting setting, although if VolumetricLighting is set to False you may ignore this setting.

UseVideoMemoryVB. If you are using a GeForce (1, 2 or MX) & its displaying many world polygons flashing & flickering set this to True. Otherwise leave it set to False.

UseVSync. Set this to True to enable v-sync to ensure that you get no display anomalies in the game. Only set it to False if youre benchmarking the game performance. Many nVidia card users may experience controller lag if they disable vsync in Unreal in D3D, or visual tearing which is also a common side effect.

VolumetricLighting. Set this to True for better visuals (effects like fog), although with lower performance. Setting this to False will result in a big frame rate increase. On most graphics cards that have trouble running Unreal setting this to False along with DetailTextures to False will mean the difference between a playable & an unplayable game.

 


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