public PolledDeviceDIData read() {
delay();
// long t1 = HiresClock.getTimeNanos();
long time = HiresClock.getTimeNanos();
diDevice.update();
// System.out.println("DIDevice.read() takes time: " + (time-t1));
if (useAxisDeltas) {
for (int i = 0; i < diAxis.length; i++) {
if (diAxis[i] != null) {
axisValue[i] = axisTransform.valueOf(diAxis[i].getValue());
axisDelta[i] = (axisValue[i] - lastAxisValue[i]) / axisLimit;
lastAxisValue[i] = axisValue[i];
}
}
} else {
for (int i = 0; i < diAxis.length; i++) {
axisValue[i] = axisTransform.valueOf(diAxis[i].getValue()) / axisLimit;
}
}
changedButtonIndex = -1;
for (int i = diButton.length - 1; i >= 0; i--) {
boolean s = diButton[i].getState();
if (s != buttonState[i]) {
changedButtonIndex = i;
}
buttonState[i] = s;
}
changedDirectionalIndex = -1;
for (int i = diDirectional.length - 1; i >= 0; i--) {
boolean s = diDirectional[i].isCentered();
if (s != directionalState[i]) {
changedDirectionalIndex = i;
}
directionalState[i] = s;
directionalValue[i] = diDirectional[i].getDirection() / 100;
}
return new PolledDeviceDIData(
this,
changedButtonIndex,
buttonState,
changedDirectionalIndex,
directionalState,
directionalValue,
useAxisDeltas ? axisDelta : axisValue,
time);
}
/** Reset the DirectInput connection. */
public void reset() {
diDevice.reset();
diDevice.update();
for (int i = 0; i < diAxis.length; i++) {
if (diAxis[i] != null) {
lastAxisValue[i] = axisTransform.valueOf(diAxis[i].getValue());
}
}
for (int i = 0; i < diButton.length; i++) {
buttonState[i] = diButton[i].getState();
}
for (int i = 0; i < diDirectional.length; i++) {
directionalState[i] = diDirectional[i].isCentered();
}
}