This is used internally - although you're able to use it you probably shouldn't. Used internally to make DRIVE:CalcView work, called by default from base gamemode's GM:CalcView hook.

This is used internally - although you're able to use it you probably shouldn't. Clientside, the client creates the cmd (usercommand) from their input device (mouse, keyboard) and then it's sent to the server. Restrict view angles here.

This is used internally - although you're able to use it you probably shouldn't. Destroys players current driving method.

Player has stopped driving the entity.

This is used internally - although you're able to use it you probably shouldn't. The move is finished. Copy mv back into the target.

This is used internally - although you're able to use it you probably shouldn't. Returns ( or creates if inexistent ) a driving method.

This is used internally - although you're able to use it you probably shouldn't. The move is executed here.

Starts driving for the player.

Stops the player from driving anything. ( For example a prop in sandbox )

Registers a new entity drive mode/method.

Called when the player first starts driving this entity

This is used internally - although you're able to use it you probably shouldn't. The user command is received by the server and then converted into a move. This is also run clientside when in multiplayer, for prediction to work.