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 = 0, 0, 0
border = 106, 106, 106
water-top = $54, $5C, $9D
water-bottom = $34, $3C, $7D
water-opacity = $80
music = EarthRise.ogg
clouds = 0
object = Rock, 3, 65, 258, 175, 2, 1, 0, 0, 240, 215
object = RockShort, 3, 0, 165, 163, 2, 1, 0, 0, 163, 140
flakes = 20, 1, 0, 20, 0