Rendering API [1/N]

So, we have already reversed some components of the rendering subsystem (like [ZDirect3DDevice](https://github.com/DronCode/ReHitman/blob/master/HM3CoreKill/HM3CoreKill/sdk/ZDirect3DDevice.h)) and we should continue our work here. 

We need to decomposite this issue by subtasks. 