private static int getSafeY(World world, int x, int y, int z) {
int maxY = Math.min(CraftBook.MAP_BLOCK_HEIGHT, y + 10);
for (int safeY = y + 1; safeY <= maxY; safeY++) {
if (BlockType.canPassThrough(CraftBook.getBlockID(world, x, safeY, z))
&& safeY < CraftBook.MAP_BLOCK_HEIGHT
&& BlockType.canPassThrough(CraftBook.getBlockID(world, x, safeY + 1, z))) {
return safeY;
}
}
return maxY;
}
