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****************
* INTRODUCTION *
****************
The joystick support is implemented using SDL. The command line option '-j' will
prompt you (of course in command line :) with joystick configuration. Do exactly as
you are asked. The configuration will be saved in a file ".gravitywars-joystick-settings"
in your home directory. From next time, configurations will be loaded from the file.
By default, there is no file, and default joystick values (embeded in program code)
are used. You must use '-j' atleast once for the configuration file to be created.
There are also some environment variables which can be used to manually setup your
joystick. They are parsed after the configuration file, so they overshadow the confi-
guration file, but are not saved when program exits.
*************************
* ENVIRONMENT VARIABLES *
*************************
GW_JOY_INDEX
GW_JOY_XAXIS
GW_JOY_YAXIS
GW_JOY_BUTTON_UP
GW_JOY_BUTTON_SHOOT
GW_JOY_BUTTON_TOGGLE_FULLSCREEN
GW_JOY_BUTTON_ESCAPE
GW_JOY_XAXIS_CENTER
GW_JOY_XAXIS_MINIMUM
GW_JOY_XAXIS_MAXIMUM
GW_JOY_XAXIS_NULLZONE
GW_JOY_YAXIS_CENTER
GW_JOY_YAXIS_MINIMUM
GW_JOY_YAXIS_MAXIMUM
GW_JOY_YAXIS_NULLZONE
********
* BUGS *
********
If you unplug the joystick, or somehow disable joystick event during joystick conf-
iguration, the program will stuck there. 'killall -HUP gravitywars' will do the job though.
**********
* AUTHOR *
**********
Titon Barua / titanix
titanix88@gmail.com
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