static void read_joy (unsigned int num)
{
struct joystick *joy = &joystickList[num];
if (joy->handle) {
void *buffer;
/*
* Poll device for data
*/
if (AIN_ReadDevice (joy->context, joy->handle, &buffer)) {
unsigned int i;
/* Extract axis data from buffer and notify UAE of any changes
* in axis state
*/
for (i = 0; i < joy->axisCount; i++) {
int axisdata = BUFFER_OFFSET (buffer, joy->axisBufferOffset[i]);
if (axisdata != joy->axisData[i]) {
setjoystickstate (num, i, axisdata, 32767);
joy->axisData[i] = axisdata;
}
}
/* Extract button data from buffer and notify SDL of any changes
* in button state
*
* Note: We don't support analog buttons.
*/
for (i = 0; i < joy->buttonCount; i++) {
int buttondata = BUFFER_OFFSET (buffer, joy->buttonBufferOffset[i]);
if (buttondata != joy->buttonData[i]) {
setjoybuttonstate (num, i, buttondata ? 1 : 0);
joy->buttonData[i] = buttondata;
}
}
}
}
}
int joyai_update(int joy, int dst)
{
void *ptr;
keysym_type *keysym = (joy == 2) ? keysym_2 : keysym_1;
BYTE value = 0;
if (!amigainput_lib_loaded) {
return -1;
}
if ((CTX == NULL) || (ai_handle[joy - 1] == NULL)) {
return -1;
}
if (AIN_ReadDevice(CTX, ai_handle[joy - 1], &ptr) == TRUE) {
unsigned int i, *data = ptr;
for (i = 0; i < NUM_KEYSYM; i++) {
switch (keysym[i].type) {
/* Axis and hats use values between -32768 and 32767. Digital Buttons use
* values between 0 and 1 (1 is "pressed"), while analog buttons use
* values between 0 and 32767.
*/
case TYPE_BUTTON:
value = (1 << keysym[i].bitnum);
if (data[keysym[i].offset]) {
joystick_set_value_or(dst, value);
} else {
joystick_set_value_and(dst, (BYTE) ~value);
}
break;
case TYPE_AXES:
value = (1 << keysym[i].bitnum);
switch (keysym[i].bitnum) {
case DIGITAL_UP: /* neg value */
case DIGITAL_LEFT: /* neg value */
if (data[keysym[i].offset] <= (-(ONOFF_VALUE))) {
joystick_set_value_or(dst, value);
} else {
joystick_set_value_and(dst, (BYTE) ~value);
}
break;
case DIGITAL_DOWN: /* pos value */
case DIGITAL_RIGHT: /* pos value */
if (data[keysym[i].offset] >= (ONOFF_VALUE)) {
joystick_set_value_or(dst, value);
} else {
joystick_set_value_and(dst, (BYTE) ~value);
}
break;
default:
break;
}
break;
case TYPE_HAT:
value = 0;
switch (data[keysym[i].offset]) {
case 1: /* N */
value = (1 << DIGITAL_UP);
break;
case 2: /* NE */
value = ((1 << DIGITAL_UP) | (1 << DIGITAL_RIGHT));
break;
case 3: /* E */
value = (1 << DIGITAL_RIGHT);
break;
case 4: /* SE */
value = ((1 << DIGITAL_DOWN) | (1 << DIGITAL_RIGHT));
break;
case 5: /* S */
value = (1 << DIGITAL_DOWN);
break;
case 6: /* SW */
value = ((1 << DIGITAL_DOWN) | (1 << DIGITAL_LEFT));
break;
case 7: /* W */
value = (1 << DIGITAL_LEFT);
break;
case 8: /* NW */
value = ((1 << DIGITAL_UP) | (1 << DIGITAL_LEFT));
break;
default: /* none */
break;
}
joystick_set_value_absolute(dst, value);
break;
default:
break;
}
}
return 0;
}
return -1;
}
