/**
* Check and save current controller state (controller components values). Must be called every
* time before using controller state methods (eg. method for x axis value), so that you get
* latest controller components values.
*
* @return True if controller is connected/valid, false otherwise.
*/
public boolean pollController() {
boolean isControllerValid;
// Clear previous values of buttons.
buttonsValues.clear();
isControllerValid = controller.poll();
if (!isControllerValid) return false;
Component[] components = controller.getComponents();
for (int i = 0; i < components.length; i++) {
Component component = components[i];
// Add states of the buttons
if (component.getName().contains("Button"))
if (component.getPollData() == 1.0f) buttonsValues.add(Boolean.TRUE);
else buttonsValues.add(Boolean.FALSE);
}
return isControllerValid;
}
public static void getInstance(Controller controller, JoystickInstance toUpdate) {
// X axis and Y axis
int xAxisPercentage = 0;
int yAxisPercentage = 0;
HashMap<String, Boolean> buttons = new HashMap<>(); // @TODO convert to int
float hatSwitchPosition = 0;
HashMap<String, Integer> otherAxis = new HashMap<>();
// Go trough all components of the controller.
controller.poll();
Component[] components = controller.getComponents();
for (int i = 0; i < components.length; i++) {
Component component = components[i];
Identifier componentIdentifier = component.getIdentifier();
// Buttons
// if(component.getName().contains("Button")){ // If the language is not english, this won't
// work.
if (componentIdentifier
.getName()
.matches(
"^[0-9]*$")) { // If the component identifier name contains only numbers, then this is
// a button.
// Is button pressed?
boolean isItPressed = true;
if (component.getPollData() == 0.0f) isItPressed = false;
// Button index
String buttonIndex;
buttonIndex = component.getIdentifier().toString(); // @TODO convert to int
toUpdate.setButton(buttonIndex, isItPressed);
// We know that this component was button so we can skip to next component.
continue;
}
// Hat switch
if (componentIdentifier == Component.Identifier.Axis.POV) {
hatSwitchPosition = component.getPollData();
toUpdate.setHatSwitchPosition(hatSwitchPosition);
// We know that this component was hat switch so we can skip to next component.
continue;
}
// Axes
if (component.isAnalog()) {
float axisValue = component.getPollData();
int axisValueInPercentage = getAxisValueInPercentage(axisValue);
// X axis
if (componentIdentifier == Component.Identifier.Axis.X) {
xAxisPercentage = axisValueInPercentage;
toUpdate.setX(xAxisPercentage);
continue; // Go to next component.
}
// Y axis
if (componentIdentifier == Component.Identifier.Axis.Y) {
yAxisPercentage = axisValueInPercentage;
toUpdate.setY(yAxisPercentage);
continue; // Go to next component.
}
// Other axis
toUpdate.setOtherAxis(component.getName(), axisValueInPercentage);
}
}
}
private void processControllerEvent(Component component, float value) {
Component.Identifier id = component.getIdentifier();
if (log.isDebugEnabled()) {
log.debug(
String.format(
"Controller Event on %s(%s): %f", component.getName(), id.getName(), value));
}
Integer button = buttonComponents.get(id);
if (button != null) {
if (id instanceof Axis) {
// An Axis has been mapped to a PSP button.
// E.g. for a foot pedal:
// value == 1.f when the pedal is not pressed
// value == 0.f when the pedal is halfway pressed
// value == -1.f when the pedal is pressed down
if (!isInDeadZone(component, value)) {
if (value >= 0.f) {
// Axis is pressed less than halfway, assume the PSP button is not pressed
Buttons &= ~button;
} else {
// Axis is pressed more than halfway, assume the PSP button is pressed
Buttons |= button;
}
}
} else {
if (value == 0.f) {
Buttons &= ~button;
} else if (value == 1.f) {
Buttons |= button;
} else {
log.warn(
String.format(
"Unknown Controller Button Event on %s(%s): %f",
component.getName(), id.getName(), value));
}
}
} else if (id == analogLXAxis) {
if (isInDeadZone(component, value)) {
Lx = analogCenter;
} else {
Lx = convertAnalogValue(value);
}
} else if (id == analogLYAxis) {
if (isInDeadZone(component, value)) {
Ly = analogCenter;
} else {
Ly = convertAnalogValue(value);
}
} else if (id == analogRXAxis) {
if (isInDeadZone(component, value)) {
Rx = analogCenter;
} else {
Rx = convertAnalogValue(value);
}
} else if (id == analogRYAxis) {
if (isInDeadZone(component, value)) {
Ry = analogCenter;
} else {
Ry = convertAnalogValue(value);
}
} else if (id == digitalXAxis) {
if (isInDeadZone(component, value)) {
Buttons &= ~(PSP_CTRL_LEFT | PSP_CTRL_RIGHT);
} else if (value < 0.f) {
Buttons |= PSP_CTRL_LEFT;
} else {
Buttons |= PSP_CTRL_RIGHT;
}
} else if (id == digitalYAxis) {
if (isInDeadZone(component, value)) {
Buttons &= ~(PSP_CTRL_DOWN | PSP_CTRL_UP);
} else if (value < 0.f) {
Buttons |= PSP_CTRL_UP;
} else {
Buttons |= PSP_CTRL_DOWN;
}
} else if (id == povArrows) {
if (value == POV.CENTER) {
Buttons &= ~(PSP_CTRL_RIGHT | PSP_CTRL_LEFT | PSP_CTRL_DOWN | PSP_CTRL_UP);
} else if (value == POV.UP) {
Buttons &= ~(PSP_CTRL_RIGHT | PSP_CTRL_LEFT | PSP_CTRL_DOWN | PSP_CTRL_UP);
Buttons |= PSP_CTRL_UP;
} else if (value == POV.RIGHT) {
Buttons &= ~(PSP_CTRL_RIGHT | PSP_CTRL_LEFT | PSP_CTRL_DOWN | PSP_CTRL_UP);
Buttons |= PSP_CTRL_RIGHT;
} else if (value == POV.DOWN) {
Buttons &= ~(PSP_CTRL_RIGHT | PSP_CTRL_LEFT | PSP_CTRL_DOWN | PSP_CTRL_UP);
Buttons |= PSP_CTRL_DOWN;
} else if (value == POV.LEFT) {
Buttons &= ~(PSP_CTRL_RIGHT | PSP_CTRL_LEFT | PSP_CTRL_DOWN | PSP_CTRL_UP);
Buttons |= PSP_CTRL_LEFT;
} else if (value == POV.DOWN_LEFT) {
Buttons &= ~(PSP_CTRL_RIGHT | PSP_CTRL_LEFT | PSP_CTRL_DOWN | PSP_CTRL_UP);
Buttons |= PSP_CTRL_DOWN | PSP_CTRL_LEFT;
} else if (value == POV.DOWN_RIGHT) {
Buttons &= ~(PSP_CTRL_RIGHT | PSP_CTRL_LEFT | PSP_CTRL_DOWN | PSP_CTRL_UP);
Buttons |= PSP_CTRL_DOWN | PSP_CTRL_RIGHT;
} else if (value == POV.UP_LEFT) {
Buttons &= ~(PSP_CTRL_RIGHT | PSP_CTRL_LEFT | PSP_CTRL_DOWN | PSP_CTRL_UP);
Buttons |= PSP_CTRL_UP | PSP_CTRL_LEFT;
} else if (value == POV.UP_RIGHT) {
Buttons &= ~(PSP_CTRL_RIGHT | PSP_CTRL_LEFT | PSP_CTRL_DOWN | PSP_CTRL_UP);
Buttons |= PSP_CTRL_UP | PSP_CTRL_RIGHT;
} else {
log.warn(
String.format(
"Unknown Controller Arrows Event on %s(%s): %f",
component.getName(), id.getName(), value));
}
} else {
// Unknown Axis components are allowed to move inside their dead zone
// (e.g. due to small vibrations)
if (id instanceof Axis && (isInDeadZone(component, value) || id == Axis.Z || id == Axis.RZ)) {
if (log.isDebugEnabled()) {
log.debug(
String.format(
"Unknown Controller Event in DeadZone on %s(%s): %f",
component.getName(), id.getName(), value));
}
} else if (isKeyboardController(inputController)) {
if (log.isDebugEnabled()) {
log.debug(
String.format(
"Unknown Keyboard Controller Event on %s(%s): %f",
component.getName(), id.getName(), value));
}
} else {
if (log.isInfoEnabled()) {
log.warn(
String.format(
"Unknown Controller Event on %s(%s): %f",
component.getName(), id.getName(), value));
}
}
}
}
