wireframe.java

    private void renderWireFrames(BlockPos pos, EntityPlayer player, float partialTicks)
    {
        List<BakedQuad> quads = this.quadsForWires.get(pos);
        if (quads == null)
        {
            return;
        }

        double dx = player.lastTickPosX + (player.posX - player.lastTickPosX) * partialTicks;
        double dy = player.lastTickPosY + (player.posY - player.lastTickPosY) * partialTicks;
        double dz = player.lastTickPosZ + (player.posZ - player.lastTickPosZ) * partialTicks;

        GlStateManager.pushMatrix();
        GlStateManager.translate(pos.getX() - dx, pos.getY() - dy, pos.getZ() - dz);
        GlStateManager.color(1f, 1f, 1f, 1f);
        GlStateManager.glLineWidth(2.0f);
        Tessellator tessellator = Tessellator.getInstance();
        VertexBuffer buffer = tessellator.getBuffer();

        for (BakedQuad quad : quads)
        {
            buffer.begin(GL11.GL_LINE_LOOP, DefaultVertexFormats.BLOCK);
            buffer.addVertexData(quad.getVertexData());
            buffer.putColorMultiplier(1f, 1f, 1f, 4);
            buffer.putColorMultiplier(1f, 1f, 1f, 3);
            buffer.putColorMultiplier(1f, 1f, 1f, 2);
            buffer.putColorMultiplier(1f, 1f, 1f, 1);
            tessellator.draw();
        }

        GlStateManager.popMatrix();
    }