if (tileentity instanceof TileEntitySign)
{
TileEntitySign tileentitysign = (TileEntitySign)tileentity;
if (!tileentitysign.func_145914_a() || tileentitysign.func_145911_b() != net.playerEntity)
{
net.serverController.logWarning("Player " + net.playerEntity.getCommandSenderName() + " just tried to change non-editable sign");
return;
}
}