I know about ian, I was asking why a lot?
Netcode is open source? Proc Gen Braben's(and ian)?
graphics? sound? market? missions? ideas? and many other parts of ED I am not clever enough to know?
I hate it when people take a fact or stat and inflate it to suit their argument (like SuBSynk did)
"A lot" of ED is NOT open source or lifted from elsewhere !
A lot, open source, is unlikely. To my knowledge, the engine used 'Cobra' I think it's called [1988], is an in-house [frontier Develoments] engine.
The idea is definitely lifted directly from the original Elite, which itself was lifted from a game prior to it by another author, the names of which escape me right now. I think 'Rogue/SPace Trader' or something like that.
The galaxy generation to my Knowledge is totally David Braben's code.
I'm sure Ian wrote the original flight models, but that is not to say the ED version are copies or derivatives.
The mission board is basic database stuff, not in any way difficult.
The Trade again was a direct ripoff of the aforementioned rogue trader/space trader type game. Either way simple database stuff.
The factions I would guess are completely new but I may be wrong.
The Net code is Open Source, or at least was the last time I looked.
The Encrypt/Decrypt code is also open source, or was last time I looked.
The rest is 3D plotting thru a cuboid space with instancing.
None of that is to say that Elite Dangerous is not a monumental complex piece of code.