====================2025.2.22 update=====================
1、replace mortar pit with two fighting positions, a deep one for mortar or heavy aa and a shallow one for at and hmg.
both of them can be connected to trench network, and the shallow one can be upgraded with an roof when a proper mg or anti-tank gun stations within.

2、straight trench can be upgraded with an roof.

fixed a crash caused by upgrading mg bunker in the new fortress

====================2025.2.14 update=====================
1、replace germane wooden tower with an new concrete fortress (no balance just for fun)

2、add 4 trench variants that allow you to build an trench network on the field( you need to have the engineers to ditch shovel and equipped with pickaxe then they will be able to build the trench)

3、added shield switch button to most HMG in fixed emplacement that have gun shields

4、your engineers can place sandbag anywhere you want now