* Added ViewAngle/Pitch/Roll properties to actors.
- These are offsets for camera angles that allow turning the camera without affecting aim or movement direction.
- Added A_SetView<Angle/Pitch/Roll>, which will set the view direction.
- Added ABSVIEWANGLES flag, used to make the view absolute instead of an offset.
* Converted functions to be direct-native.
This simulates a feature found in Crispy Doom, which keeps the
weapon bobbing while firing. This leads to a "smoother" appearance
which may look a bit prettier to some people.
The default value of 0 preserves the old behavior.
Duration of sound playback and subtitles display will be synchronized if sound id is specified
For existing Strife messages this works out of the box
https://forum.zdoom.org/viewtopic.php?t=65379
