net.java.games.input.DIControllers Maven / Gradle / Ivy
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package net.java.games.input;
import java.io.IOException;
/**
* @author elias
* @version 1.0
*/
final class DIControllers {
private final static DIDeviceObjectData di_event = new DIDeviceObjectData();
/* synchronized to protect di_event */
public final static synchronized boolean getNextDeviceEvent(Event event, IDirectInputDevice device) throws IOException {
if (!device.getNextEvent(di_event))
return false;
DIDeviceObject object = device.mapEvent(di_event);
DIComponent component = device.mapObject(object);
if (component == null)
return false;
int event_value;
if (object.isRelative()) {
event_value = object.getRelativeEventValue(di_event.getData());
} else {
event_value = di_event.getData();
}
event.set(component, component.getDeviceObject().convertValue(event_value), di_event.getNanos());
return true;
}
public final static float poll(Component component, DIDeviceObject object) throws IOException {
int poll_data = object.getDevice().getPollData(object);
float result;
if (object.isRelative()) {
result = object.getRelativePollValue(poll_data);
} else {
result = poll_data;
}
return object.convertValue(result);
}
}