Method canConnectTo

src/main/java/net/minecraft/block/BlockFence.java:163–167

(IBlockAccess worldIn, BlockPos pos)

    }

    public boolean canConnectTo(IBlockAccess worldIn, BlockPos pos)
    {
        Block block = worldIn.getBlockState(pos).getBlock();
        return block == Blocks.barrier ? false : ((!(block instanceof BlockFence) || block.blockMaterial != this.blockMaterial) && !(block instanceof BlockFenceGate) ? (block.blockMaterial.isOpaque() && block.isFullCube() ? block.blockMaterial != Material.gourd : false) : true);
    }

    public boolean shouldSideBeRendered(IBlockAccess worldIn, BlockPos pos, EnumFacing side)
    {