Defensive walls are probably the most controversial feature in Perpetuum we have ever had so far. On one hand they are supposed to bring more sand into the sandbox and provide passive defense for whatever you want to defend. On the other hand, many of you have voiced your concerns that it also greatly hinders everyday small-scale PvP warfare, which is hurting the game on a global level.
The first introduction of walls went not without issues and we have learnt the hard way that too much freedom can be bad. Based on player feedback, the majority of you think there is still too much freedom regarding wall placement.
Initially we didn't want to restrict the building of walls to outpost owners, because we didn't want to shut out the rest of our players from using them. Nevertheless, it seems walls are primarily used for outpost and SAP defense, so we decided to reconsider that stance.
In our next patch (planned for March 9), we will restrict wall placement to a fixed belt area around outposts. It's a belt because the 1000m inner no-build limit from outposts still remains, but there will be an outer limit of 3000m as well. The picture on the right should help you imagine it better. As you can see, some of the teleports' no-build areas also take their share. (Update: the image has been modified to include SAP areas too - thanks for the notice Arga.)
Another change is that only the outpost's owning corporation can build walls, and only around the owned outpost. Of course in case of an ownership change, the old walls won't fall down, but only the new owner will be able to place new ones. Unfortunately this also has a negative effect, namely that allied corporations can't help you placing walls around your outpost until we do a proper alliance feature. (Contrary to popular belief, we didn't abandon or deny an alliance feature at all, we just didn't get around implementing one yet.)
It's important to note that currently deployed walls won't be affected in any way by this, as long as you keep repairing them, they will stay there. However you won't be able to place any new wall units outside of the allowed areas.
And lastly, to steer things back towards the next part of the PBS series: yes, you will be able to build walls around player-built bases as well, but only around a certain "occupation" area of your own buildings.