Function CL_KeyState

code/client/cl_input.cpp:238–270

=============== CL_KeyState Returns the fraction of the frame that the key was down =============== */

===============
*/
float CL_KeyState( kbutton_t *key ) {
	float		val;
	int			msec;

	msec = key->msec;
	key->msec = 0;

	if ( key->active ) {
		// still down
		if ( !key->downtime ) {
			msec = com_frameTime;
		} else {
			msec += com_frameTime - key->downtime;
		}
		key->downtime = com_frameTime;
	}

#if 0
	if (msec) {
		Com_Printf ("%i ", msec);
	}
#endif

	val = (float)msec / frame_msec;
	if ( val < 0 ) {
		val = 0;
	}
	if ( val > 1 ) {
		val = 1;
	}

	return val;
}