mirror of
https://github.com/shadowfacts/lwjgl2-arm64.git
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262 lines
6.9 KiB
Java
262 lines
6.9 KiB
Java
/*
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* Copyright (c) 2002 Lightweight Java Game Library Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of 'Light Weight Java Game Library' nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.lwjgl.input;
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import java.util.HashMap;
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import java.util.Map;
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import org.lwjgl.Sys;
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/**
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* $Id$
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* <br>
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* A raw Controller interface. This can be used to poll the current state of a
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* controllers buttons, and axis positions. The axis positions
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* are returned as ints in the range -1000 to 1000.
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*
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* No buffering is available.
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*
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* Currently n (native limits) buttons, the x, y, z axis (also rotational x,y ,
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* z axis) is supported along with a POV (or HAT) and a slider
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*
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* The Controller implementation currently only supports the first attached device.
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*
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* @author Brian Matzon <brian@matzon.dk>
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* @version $Revision$
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*/
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public class Controller {
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/** Has the controller been created? */
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private static boolean created;
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/** The controller buttons status */
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private static boolean[] buttons;
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/** X position, range -1000 to 1000 */
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public static int x = 0;
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/** X rotational position, range -1000 to 1000 */
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public static int rx = 0;
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/** Y position, range -1000 to 1000 */
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public static int y = 0;
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/** Y rotational position, range -1000 to 1000 */
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public static int ry = 0;
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/** Z position, range -1000 to 1000 */
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public static int z = 0;
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/** Z rotational position, range -1000 to 1000 */
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public static int rz = 0;
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/** Position of Point of View from -1 to 27000 (360 degrees) */
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public static int pov;
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/** Slider position, range -1000 to 1000 */
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public static int slider = 0;
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/** Constant specifying centered POV */
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public static final int POV_CENTER = -1;
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/** Constant specifying nortward POV */
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public static final int POV_NORTH = 0;
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/** Constant specifying southward POV */
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public static final int POV_SOUTH = 18000;
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/** Constant specifying eastward POV */
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public static final int POV_EAST = 27000;
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/** Constant specifying westward POV */
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public static final int POV_WEST = 9000;
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/** Number of buttons on the controller */
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public static int buttonCount = -1;
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/** Does this controller support a x axis */
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public static boolean hasXAxis = false;
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/** Does this controller support a rotational x axis */
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public static boolean hasRXAxis = false;
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/** Does this controller support an y axis */
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public static boolean hasYAxis = false;
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/** Does this controller support a rotational y axis */
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public static boolean hasRYAxis = false;
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/** Does this controller support a z axis */
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public static boolean hasZAxis = false;
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/** Does this controller support a rotational z axis */
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public static boolean hasRZAxis = false;
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/** Does this controller support a Point-Of-View (hat) */
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public static boolean hasPOV = false;
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/** Does this controller support a slider */
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public static boolean hasSlider = false;
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/** Button names. These are set upon create(), to names like BUTTON0, BUTTON1, etc. */
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private static String[] buttonName;
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private static final Map buttonMap = new HashMap(8);
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static {
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initialize();
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}
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/**
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* Controller cannot be constructed.
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*/
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private Controller() {
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}
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/**
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* Static initialization
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*/
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private static void initialize() {
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System.loadLibrary(Sys.getLibraryName());
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initIDs();
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// Assign names to all the buttons
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buttonName = new String[8];
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for (int i = 0; i < 8; i ++) {
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buttonName[i] = "BUTTON" + i;
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buttonMap.put(buttonName[i], new Integer(i));
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}
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}
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/**
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* "Create" the controller. The display must first have been created.
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* @throws Exception if the controller could not be created for any reason
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*/
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public static void create() throws Exception {
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if (created) {
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return;
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}
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if (!nCreate()) {
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throw new Exception("The controller could not be created.");
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}
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created = true;
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}
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/**
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* @return true if the controller has been created
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*/
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public static boolean isCreated() {
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return created;
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}
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/**
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* "Destroy" the controller
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*/
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public static void destroy() {
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if (!created) {
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return;
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}
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created = false;
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nDestroy();
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}
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/**
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* Polls the controller.
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*/
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public static void poll() {
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assert created : "The controller has not been created.";
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nPoll();
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}
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/**
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* Tests if a particular button is down.
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*
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* @param button The index of the button you wish to test (0..buttonCount-1)
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* @return true if the specified button is down
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* @see #buttonCount
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*/
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public static boolean isButtonDown(int button) {
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assert created : "The controller has not been created.";
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return buttons[button];
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}
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/**
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* Gets a button's name
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* @param button The button
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* @return a String with the button's human readable name in it or null if the button is unnamed
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*/
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public static String getButtonName(int button) {
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if (button < 0 || button >= buttonName.length)
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return null;
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else
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return buttonName[button];
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}
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/**
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* Get's a button's index. If the button is unrecognised then -1 is returned.
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* @param buttonName The button name
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*/
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public static int getButtonIndex(String buttonName) {
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Integer ret = (Integer) buttonMap.get(buttonName);
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if (ret == null)
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return -1;
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else
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return ret.intValue();
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}
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/**
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* Native method to poll the controller
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*/
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private static native void nPoll();
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/**
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* Native method to create the controller
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*
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* @return true if the controller was created
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*/
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private static native boolean nCreate();
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/**
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* Native method the destroy the controller
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*/
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private static native void nDestroy();
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/**
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* Register fields with the native library
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*/
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private static native void initIDs();
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}
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