Chunk format/Fireball


 * : List of 3 doubles. Should be identical to Motion.
 * : Increments each tick when the projectile is not moving; resets to 0 if it moves. When it ticks to 600, the projectile despawns. In 1.11, has no effect, though is still saved/read
 * : List of 3 doubles that acts like  but without resistance