just think... every model is made up of more than one tga file!
you have one for the model... and more for the effects.
it seems pretty pointless making more than one tga file for the model because it uses too much memory doesn't it? i mean if you have two tga files for every one model then that would be twice as much memory! assuming that all the tga files are the same size.
i usually use one 256x256 for the model, one tiny tga for the tracks, and one for each fx (turretfx, light etc)
if it's a building i might go 512x512
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