WIP: Add a research tree view #1

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williamjcm wants to merge 22 commits from research-tree into master
Showing only changes of commit 4baca47f72 - Show all commits

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@ -389,7 +389,7 @@ void ResearchTree::readEngineUnlocks(Containers::ArrayView<Int> engines, Contain
}
}
if(gears == nullptr || engines.size() == 0) {
if(gears == nullptr || gears.size() == 0) {
return;
}