#unconditional
#sorted sort -k2,2
FF_RUMBLE
FF_PERIODIC
FF_CONSTANT
FF_SPRING
FF_FRICTION
FF_DAMPER
FF_INERTIA
FF_RAMP
FF_SQUARE
FF_TRIANGLE
FF_SINE
FF_SAW_UP
FF_SAW_DOWN
FF_CUSTOM
FF_GAIN
FF_AUTOCENTER