Actually this branch not ready yet for merging.
In first, active base defense never used before in Xcom series. Therefore I'm not sure, that it will be accepted to the master branch. For extended version need to rewrite code, i.e. add 2 more weapons (actually need much more changes).
Second, I see that this version less than perfect. The interface should be redesigned.
1. Is it craft? Should be icons of defense turrets.
2. These buttons disabled. One can be repurposed to enable/disable base defense. But what to do with second one?
3. Need replace icon to point defense turret. It's easy.
I think about special build just for testing and feedback.
From the Interception screen I can see each defensive building is represented by a separate weapon. What if a base has more than 2 types of defensive buildings?
Even if you have three or four types of base defense facilities, will be chosen only two types. Which exactly types is not determined. Can be any. Actually this is a problem.
It is obvious, that blaster defense is best. But what will be best defense in general case? Is best defense that most powerful? Or best defense which has maximum range? Or best defense which can shoot rapidly? May be best accuracy should be taken into account? I think about maximum range.
In other hand, are you really will to use more than 2 types of base defense in one base?