Refactored TTexture to allow encoding sprite(s) at an arbitrary location within
a (possibly shared) physical texture.
The original variant only allowed encoding a sprite at the bottomleft of a
larger physical texture to use NPOT sprites on POT only supporting systems.
sky = 99, 51, 43
border = 70, 58, 55
water-top = $54, $5C, $9D
water-bottom = $34, $3C, $7D
water-opacity = $80
music = Freeway.ogg
clouds = 9
object = Tire, 3, 83, 215, 92, 35, 1, 0, 0, 250, 190
object = AppleSmall, 3, 40, 0, 25, 1, 1, 0, 35, 100, 65
spray = TireDirt, 2
spray = AppleDirt, 5
spray = FishDirt, 4
spray = BottleDirt, 4
flakes = 200, 1, 0, 0, 0