Better NPC Spawn system

Can someone make a npc spawn system like this:

// ID AX AY HI NEX NEY SWX SWY FC NN
spawn = 50 3199 3290 0 3200 3291 3198 3289 2 King black dragon

FC = Facing.

like:
FC
0 = North
1 = South
2 = east
3 = west

or something?

Can someone make that?

If no.. Can someone Explain that?

Screenshot:
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why would you want this for an auto spawn, does it reall matter when their walking around how they face when spawned?

Its Matter... Wat i mean is this:
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