@Override
public VoxelShape getShape(BlockState state, IBlockReader worldIn, BlockPos pos, ISelectionContext context) {
    VoxelShape shape = TANK_SHAPE;
    TileEntity t = worldIn.getTileEntity(pos);
    if (t instanceof TileEnderTank) {
        TileEnderTank tile = (TileEnderTank) t;
        shape = SHAPES[tile.rotation];
    }
    return shape;
}
 

@Override
public VoxelShape getShape(BlockState state, IBlockReader worldIn, BlockPos pos, ISelectionContext context) {
    VoxelShape shape = CHEST_SHAPE;
    TileEntity t = worldIn.getTileEntity(pos);
    if (t instanceof TileEnderChest) {
        TileEnderChest tile = (TileEnderChest) t;
        shape = SHAPES[tile.rotation][tile.getRadianLidAngle(0) >= 0 ? 0 : 1];
    }
    return shape;
}
 

@Override
public VoxelShape getCollisionShape(BlockState state, IBlockReader worldIn, BlockPos pos, ISelectionContext context) {
    return VoxelShapes.empty();
}
 

/**
 * @deprecated call via {@link BlockState#getPushReaction()} whenever possible. Implementing/overriding is fine.
 */
@Override
public VoxelShape getShape(BlockState state, IBlockReader worldIn, BlockPos pos, ISelectionContext selectionContext) {
    return SHAPE;
}
 

@Override
public VoxelShape getShape(BlockState state, IBlockReader worldIn, BlockPos pos, ISelectionContext context)
{
    return SHAPE;
}
 

@Override
public VoxelShape getShape(BlockState state, IBlockReader worldIn, BlockPos pos, ISelectionContext context)
{
    return (state.get(FACING).getHorizontalIndex() % 2) == 0 ? shape1 : shape2;
}