fixes #11916

Created by: Kurfursten

fixes #11916 (closed) fixes #11858 (closed)

• bugfix: Boxen no longer grow after death (also fixes a sprite issue with dead boxen)
• bugfix: Boxen now properly give different amounts of meat based on how fat they were.
• bugfix: Boxen now scream when killed, not when gibbed.

200% tested