TheDarkKnight wall render

  public boolean RenderWall(Block block, int i, int j, int k, RenderBlocks renderblocks)
    {
        boolean flag = renderblocks.blockAccess.getBlockId(i, j, k - 1) == mod_EvilMinecraft.WallWood.blockID;
        boolean flag1 = renderblocks.blockAccess.getBlockId(i - 1, j, k) == mod_EvilMinecraft.WallWood.blockID;
        boolean flag2 = renderblocks.blockAccess.getBlockId(i + 1, j, k) == mod_EvilMinecraft.WallWood.blockID;
        boolean flag3 = renderblocks.blockAccess.getBlockId(i, j, k + 1) == mod_EvilMinecraft.WallWood.blockID;
        boolean flag4 = renderblocks.blockAccess.getBlockId(i, j, k - 1) == 0;
        boolean flag5 = renderblocks.blockAccess.getBlockId(i - 1, j, k) == 0;
        boolean flag6 = renderblocks.blockAccess.getBlockId(i + 1, j, k) == 0;
        boolean flag7 = renderblocks.blockAccess.getBlockId(i, j, k + 1) == 0;
    //Stuff for checking adjacent block pairs
    boolean matchingBlocksNS;
    boolean matchingBlocksEW;
    int northMetadata = renderblocks.blockAccess.getBlockMetadata(i, j, k + 1);
    int southMetadata = renderblocks.blockAccess.getBlockMetadata(i, j, k - 1);
    int eastMetadata = renderblocks.blockAccess.getBlockMetadata(i + 1, j, k);
    int westMetadata = renderblocks.blockAccess.getBlockMetadata(i - 1, j, k);
    //.................
        int l = renderblocks.blockAccess.getBlockMetadata(i, j, k);
        Tessellator tessellator = Tessellator.instance;
        tessellator.setBrightness(block.getMixedBrightnessForBlock(renderblocks.blockAccess, i, j, k));
    //Actual checking block pairs
    if(flag3 && northMetadata == l && flag && southMetadata == l)
    {
        matchingBlocksNS = true;
    }
    if(flag2 && eastMetadata == l && flag1 && westMetadata == l)
    {
        matchingBlocksEW = true;
    }
    if(matchingBlocksNS && !matchingBlocksEW)
    {
        //Render stuff for matching north and south blocks
    }
    if(!matchingBlocksNS && matchingBlocksEW)
    {
        //Render stuff for matching east and west blocks
    }
    //............................
        if(l == 0)
        {
            block.setBlockBounds(0.8F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
            renderblocks.overrideBlockTexture = -1;
            renderblocks.renderStandardBlock(block, i, j, k);

            block.setBlockBounds(0.8F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
        }
        if(l == 1)
        {
            block.setBlockBounds(0.0F, 0.0F, 0.8F, 1.0F, 1.0F, 1.0F);
            renderblocks.overrideBlockTexture = -1;
            renderblocks.renderStandardBlock(block, i, j, k);

            block.setBlockBounds(0.0F, 0.0F, 0.8F, 1.0F, 1.0F, 1.0F);
        }
        if(l == 2)
        {
            block.setBlockBounds(0.0F, 0.0F, 0.0F, 0.2F, 1.0F, 1.0F);
            renderblocks.overrideBlockTexture = -1;
            renderblocks.renderStandardBlock(block, i, j, k);

            block.setBlockBounds(0.0F, 0.0F, 0.0F, 0.2F, 1.0F, 1.0F);
        }
        if(l == 3)
        {
            block.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 0.2F);
            renderblocks.overrideBlockTexture = -1;
            renderblocks.renderStandardBlock(block, i, j, k);

            block.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 0.2F);
        }
        return true;
    }