XNA Quake

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Switch to custom shaders - a custom vertex format feeds in diffuse and lightmap texture coordinates.

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Lightmap textures only.

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Result = Lightmap * Diffuse

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Simulation of software Quake 2 by using greyscale lightmaps.

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Pixel shader used to ripple the texture.

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A pixel shader can be used to convert a palette index and brightness into a colour via a colour map texture.

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The 8-bit look mimics software Quake.

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