Runtime
-------
-[-n] <n>
+-n <n>
terminate after <n> frames
-t <t>
terminate after <t> milliseconds
-[-n] <n> -t <t>
- terminate after n frames, assume <t> milliseconds pass each frame
+if both n and t are given, terminate after n frames and
+assume <t> milliseconds pass each frame
Application
-----------
--no-hud
disable HUD drawing (includes the selected block outline)
+--no-audio
+ disable audio
+ the audio device and sounds will still be allocated
+ it just stops the interface from queueing buffers
+
World
-----
level there. C dumps info about the chunk of the pointed at block.
Press N to toggle player/world collision.
+
+F1 toggles UI rendering.
+F3 toggles a display telling how long on average it takes to compute a frame.
+F4 toggles audio.