Circa

You need entity modding for that, which involves working with already compiled map, just start on your own map and learn from there. There are some great tutorials here on JKHub, check out MUG's series.

Yeah, and one of these day's I'll write a good SP scripting tut for you. While it is not very difficult, some aspects can get a little bit tricky. But, dude, modding SP is so awesome. You can bring your story to life with SP.

@therfiles I really want to. My forte when I modded was mainly just mini mods and animation stuff, all for SP. But I always wanted to make a story mod.

Mapping is where I don't want to step into. I attempted that as well and I just didn't understand it at all.