Freecam Feature

[Krzyhau]

Adds a bunch of commands allowing you to freely control your view camera.

Basic Camera Control

Camera can be separated from a player using command sar_cam_control 1 (requires sv_cheats or demo player). Then it can be manipulated using drive mode or these commands:
sar_cam_setpos [x] [y] [z]
sar_cam_setang [pitch] [yaw] <roll>
sar_cam_setfov [fov]
sar_cam_reset

Drive Mode

Almost a literal copy of demo drive with a couple of new features.

• Hold left mouse button to control the camera using mouse and keyboard. Required for all of inputs below.
• Move mouse to look around.
• Use WSAD keys to move around.
• Hold Left Shift to speed up or Left Control to slow down
• Hold right mouse button and move mouse left and right to change camera roll.
• Hold right mouse button and move mouse up and down to change camera field of view.

Drive mode can be disabled in game by setting sar_cam_drive to 0.

Cinematic Mode

Demo player exclusive feature. Allows you to create a path for camera to follow during demo playback.
sar_camera_path_setkf <frame> <x> <y> <z> <pitch> <yaw> <roll> <fov> - creates a new path keyframe. All parameters are optional - current frame and position will be used.
sar_camera_remkf [frame] - removes keyframe at specified frame.
sar_camera_showkfs - displays a list of currently created keyframes.
sar_camera_control 2 - puts camera into Cinematic mode. It will follow predefined path.

TODO list

• Feature implemented and tested only for Portal 2 on Windows. Support for other games/systems?
• Couldn't figure out proper CViewSetup struct. Using wacky offsets for now, but it needs to be replaced.
• A little bit more of testing would be appreciated.
• Command auto-completion would be pretty poggers. Didn't really have balls to do it.