Between the Halo Pelican and the Avatar Scorpion, people have really begun some difficult projects!
It used to be that everyone wanted a Predator type UAV, but now its gone WAY beyond that.
Cool, but before you go thinking you're an old hand at old time gaming, I remember playing command line- non-graphical games on the mainframe in the '70s.
i think you could go with APM, using arducopter as software base, modify it to let it yaw with servos instead of differntial speeds on specific motors
-> you have a great hovering platform now you need to make it fly forward with controled flap movement....
That would be a somewhat complicated process
4 ch 1 for each EDF ESC- guessing here maybe you can get away with 3 ch 1 on each of the two front to help with roll and one on the back mostly for thrusting and monuvering, maybe look for something in I2C setup
4 ch more for servos to control tilt of the EDF pods.
The Halo look is cool looking but not that pratical, since its a space ship. Maybe translated into a plane form so that you can gain some efficiently in forward flight, lol but now you might as well look at making an Ospree it would be less complicated, although not simple.
Chances are on your setup you would need a 10-12 ch controller, some really complicated software, a major in electrical design and proramming, a 2 year supply of hot pockets and NOS energy drinks. lmao.. I wish you much luck in a very ambitious project. Also not sure if they make a counter rotate edf which you would need so it didnt just spin under its own tourque force. I have seen some T shaped quads out there which dont seem to be too sable but you might be able to use something like that to get it up and transfer to a forward flight.
I'd use (4) Jetcat P80 engines in rotating nacelles.
The rest would pretty much be fuel tanks and electronics.
Correction to # of channels
# of output channels needed = 8 minimum, 10 preferred
landing gear and rear door can be direct remote no need to be automatic in any way