There is pawn, actor, character,player controller and other blueprint things, if i want to make breaking glass how i can do it ? Which blueprint class should i choose to start ?
Here is a guide to get your started on how to make destructible meshes:
It is a bit old, update if it isn’t working.
How i can do it as if bullet hits the wall there will appears a hole, if 3 bullets hits it will destructs
Here is a video for setting up a destructible mesh to be shot and destroyed: https://www.youtube.com/watch?v=hCgCOZNVE9k
As for making a hole appear, when setting it up to take damage, get an on hit node and pull the impact point worldlocation to spawn a decal of a hole.
Video for how to setup a decal and set it up to spawn decal at location: https://www.youtube.com/watch?v=kVhwSJ7txNs