When compiling with sdl2 use it instead of glut for creating hidden window (as suggested by koda).
This is not tested but it should work.
sky = 117, 141, 186
border = 143, 171, 80
water-top = $54, $5C, $9D
water-bottom = $34, $3C, $7D
water-opacity = $80
music = oriental.ogg
clouds = 9
object = Flower, 3, 65, 258, 80, 2, 1, 0, 0, 240, 215
object = Bamboo, 3, 65, 258, 80, 2, 1, 0, 0, 240, 215
object = Bamboo2, 3, 65, 258, 80, 2, 1, 0, 0, 240, 215
object = Bamboo3, 3, 65, 258, 80, 2, 1, 0, 0, 240, 215
flakes = 100, 1, 1000, 50, 50