Is there a way to combine a blue print with another building, or take elements from one building (such as copy paste) to combine them with another building? This link says yes, but I've tried it and can't get it to work. http://steamcommunity.com/app/493340/discussions/0/152390014798921735/
Thanks for that link because the answer is I think yes, even though I didn't think it was!
I've just tried the basics of and it works, but within rules.
So, you can't select two buildings and merge them together currently. (At one stage in alpha I think you could, so that may return). You also can't group scenery items UNLESS you add them to a building. You can add them to a building though so there's a workaround. Say you have some trees you want to group. Use a building piece (a wall, a flat roof, anything that classes as a building (not scenery) and creates it's own building grid). Bury this in the ground under the trees. Now use the group select box around the trees and the building .. you're given an option to add the trees to that building (the icon in the menu is a tree with an arrow next to it). After doing that you can now move them all aorund together (that is as a building though, so note one limitation is the trees now behave like a building so you won't have precise height control as even fresh buildings seem to work on a hidden height grid. And note; If you edit this 'building' and delete all the building pieces from it, the trees are no longer grouped together).
Now the interesting bit. Two separate buildings, containing multiple pieces, can you add one to the other? The answer is yes, with care. As mentioned in my first paragraph though, not by copying one building and hoping to add it to the other building.but following the rules given by your link, as follows;
Select the building you want to copy, edit the building. Select all the individual pieces (use multi selection box or ctrl) , use the copy option in the menu and then .. done. These PIECES are now in clipboard.
Make sure add to building option is ticked (lower right of screen) and hover over the destination building, it should say add to building x, in a tooltip near your mouse. Here the game is limited .. if you click to drop, the new pieces will add to the building wherever they happen to be and worse will generate a new grid offest and that doesn't fit with the destination building (that's bad, so devs please take note). Using x advanced move won't allow you to add to building either (also bad). However, if you line the pieces up by eye, as long as the add to building tool tip is active the new pieces will join the destination building when you click to drop, so ...
I tested with a couple of round walls, to make a perfect circle .. to help myself I built a couple of foundation stones, under the ground on the destination building beforehand so no matter where I hovered with the new pieces, the tooltip (add to building) was showing,.as some part of the destination building was always under the mouse while I concentrated on getting the pieces lined up. It worked, ended up with all the pieces part of a single building.
I don't think you could do this with a blueprint 'directly from the blueprint menu' but as long as the blueprint is one building, you could drop it down at random, go into edit mode, select the pieces, copy, done and then copy them down (as close as you can, by eye and freehand) to a destination building.
Hopefully a couple of devs might spot this thread and look at making it possible to add to building when using advanced move and / or look at reading the destination grid when dropping building pieces to it (edit: have added suggestion by way of a bug report) because then it would work much better .. You can do it now, but at a pinch.
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