GlStateManager.pushMatrix();
        {
            worldRenderer.func_181668_a(GL11.GL_LINES, DefaultVertexFormats.field_181706_f);
            synchronized (TileEntityRedstoneInterface.interfaces)
            {
                for (TileEntityRedstoneInterface redstoneInterface : TileEntityRedstoneInterface.interfaces)
                {
                    if (!redstoneInterface.isInvalid())
                    {
                        BlockPos position = redstoneInterface.getPos();
                        BlockPos target = redstoneInterface.getTarget();

                        if (position.distanceSq(player.getPosition()) < 225)
                        {
                            if (target != null)
                            {
                                if (redstoneInterface.getWorld().isRemote)
                                {
                                    worldRenderer.putPosition(target.getX() + 0.5 - playerX, target.getY() + 0.5 - playerY, target.getZ() + 0.5 - playerZ);
                                    worldRenderer.putColorRGB_F(1F / 255F * 255, 0, 0, 255);
                                    worldRenderer.putPosition(position.getX() + 0.5 - playerX, position.getY() + 0.5 - playerY, position.getZ() + 0.5 - playerZ);
                                    worldRenderer.putColorRGB_F(1F / 255F * 255, 0, 0, 255);
                                }
                            }
                        }
                    }
                }
            }
            tessellator.draw();
        }