static void
joy_handler( int ev, int number, char value, int which )
{
input_event_t event;
switch ( ev ) {
case JOY_EVENTAXIS:
if( number == 0 )
do_axis( which, value, INPUT_JOYSTICK_LEFT, INPUT_JOYSTICK_RIGHT );
else if( number == 1 )
do_axis( which, value, INPUT_JOYSTICK_UP, INPUT_JOYSTICK_DOWN );
break;
case JOY_EVENTBUTTONDOWN:
case JOY_EVENTBUTTONUP:
if( number >= buttons[which] ) return;
event.types.joystick.which = which;
event.types.joystick.button = INPUT_JOYSTICK_FIRE_1 + number;
event.type = ( ev == JOY_EVENTBUTTONDOWN )
? INPUT_EVENT_JOYSTICK_PRESS
: INPUT_EVENT_JOYSTICK_RELEASE;
input_event( &event );
break;
default:
break;
}
}
/*
* Process accelerometer data
*/
static void accel_data_handler(AccelData *data, uint32_t num_samples) {
// Average the data
uint32_t avg_x = 0;
uint32_t avg_y = 0;
uint32_t avg_z = 0;
AccelData *dx = data;
for (uint32_t i = 0; i < num_samples; i++, dx++) {
// If vibe went off then discount everything - we're only loosing a 2.5 second set of samples, better than an
// unwanted spike
if (dx->did_vibrate) {
return;
}
avg_x += scale_accel(dx->x);
avg_y += scale_accel(dx->y);
avg_z += scale_accel(dx->z);
}
avg_x /= num_samples;
avg_y /= num_samples;
avg_z /= num_samples;
// Work out deviations
uint16_t biggest = 0;
AccelData *d = data;
for (uint32_t i = 0; i < num_samples; i++, d++) {
do_axis(d->x, &biggest, avg_x);
do_axis(d->y, &biggest, avg_y);
do_axis(d->z, &biggest, avg_z);
}
store_sample(biggest);
}
void
win32joystick_move( int which_joystick, unsigned short pos_x,
unsigned short pos_y )
{
do_axis( which_joystick, pos_x,
INPUT_JOYSTICK_LEFT, INPUT_JOYSTICK_RIGHT );
do_axis( which_joystick, pos_y,
INPUT_JOYSTICK_UP, INPUT_JOYSTICK_DOWN );
}
void
sdljoystick_axismove( SDL_JoyAxisEvent *axisevent )
{
if( axisevent->axis == 0 ) {
do_axis( axisevent->which, axisevent->value,
INPUT_JOYSTICK_LEFT, INPUT_JOYSTICK_RIGHT );
} else if( axisevent->axis == 1 ) {
do_axis( axisevent->which, axisevent->value,
INPUT_JOYSTICK_UP, INPUT_JOYSTICK_DOWN );
}
}
static void
poll_joystick( int which )
{
js_data_struct *joystick;
double position;
int fire, buttons;
input_event_t event;
size_t i;
joystick = &jsd[which];
if( JSUpdate( joystick ) != JSGotEvent ) return;
position = JSGetAxisCoeffNZ( joystick, 0 );
do_axis( which, position, INPUT_JOYSTICK_LEFT, INPUT_JOYSTICK_RIGHT );
position = JSGetAxisCoeffNZ( joystick, 1 );
do_axis( which, position, INPUT_JOYSTICK_UP, INPUT_JOYSTICK_DOWN );
event.types.joystick.which = which;
buttons = joystick->total_buttons;
if( buttons > 10 ) buttons = 10; /* We support 'only' 10 fire buttons */
for( i = 0; i < buttons; i++ ) {
fire = JSGetButtonState( joystick, i );
if( fire == JSButtonStateOn ) {
event.type = INPUT_EVENT_JOYSTICK_PRESS;
} else {
event.type = INPUT_EVENT_JOYSTICK_RELEASE;
}
event.types.joystick.button = INPUT_JOYSTICK_FIRE_1 + i;
}
input_event( &event );
}
