====== HUD Library ======

===== Pipeline =====

  - Call [[zdoom>SetFont]]:
    - If text message: call SetFont with current font
    - If image message: call SetFont with the chosen image
  - If 3D HudMessage:
    - Project target point onto the screen
    - Compute scale factor from distance if ''AutoDistanceScale'' is enabled
  - Call [[zdoom>SetHudSize]] to scale the message, taking ''VirtualSize'' and ''Scale'' into account
  - Finally call [[zdoom>HudMessage]] or [[zdoom>HudMessageBold]]

===== Settings =====

General settings:
  * [[HUD coordinate system]] size -- ''HudSetVirtualSize(fixed width, fixed height)''
  * Position -- ''HudSetPoint(fixed x, fixed y)''
  * Scale -- ''HudSetScale(fixed scale)''
  * 
Text-only settings:
  * Font -- ''HudSetFont(str fontname)''
  * Text color -- ''HudSetTextColor(int color)'' or ''HudSetTextColorString(str colorname)''
  * Type-on mode -- ''HudSetTextTypeOn(bool enabled)''