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src/mrdev023/opengl/Input.java
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245
src/mrdev023/opengl/Input.java
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package mrdev023.opengl;
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import static org.lwjgl.glfw.GLFW.*;
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import java.util.*;
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import java.util.Map.*;
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import org.lwjgl.glfw.*;
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import mrdev023.math.*;
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import mrdev023.opengl.*;
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import mrdev023.rendering.*;
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public class Input{
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public static GLFWScrollCallback scroll;
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public static GLFWCursorPosCallback mousePos;
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private static Vector2f mousePosition = new Vector2f();
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private static Vector2f dMouse = new Vector2f();
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private static Vector2f previousDMouse = new Vector2f();
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public static final int NONE = 0,PRESSED = 1,RELEASED = 2,REPEATED = 3,UP = 4,DOWN = 5,
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NBRE_KEY = 0x15D,NBRE_BUTTON = 10,
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MOUSE_OFFSET = NBRE_KEY + 1,MOUSE_WHEEL_OFFSET = MOUSE_OFFSET + 1;
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private static HashMap<Integer,Integer> state = new HashMap<Integer,Integer>();
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private static double ywheel = 0;
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public static void init(){
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glfwSetScrollCallback(Display.getWindow(), scroll = new GLFWScrollCallback() {
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public void invoke(long window, double xoffset, double yoffset) {
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scroll(window, xoffset, yoffset);
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}
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});
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glfwSetCursorPosCallback(Display.getWindow(), mousePos = new GLFWCursorPosCallback() {
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public void invoke(long window, double xpos, double ypos) {
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mousepos(window, xpos, ypos);
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}
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});
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for(int i = 0;i < NBRE_KEY;i++){
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state.put(i, NONE);
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}
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for(int i = 0;i < NBRE_BUTTON;i++){
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state.put(i + MOUSE_OFFSET, NONE);
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}
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state.put(MOUSE_WHEEL_OFFSET, NONE);
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}
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public static void update(){
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for(Entry<Integer, Integer> set : state.entrySet()){
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int i = set.getKey();
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int st = set.getValue();
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if(i > -1 && i < NBRE_KEY){
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if(glfwGetKey(Display.getWindow(), i) == 0 && st == NONE)continue;
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if(glfwGetKey(Display.getWindow(), i) == 1 && st == NONE){
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state.replace(i, PRESSED);
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}else if(glfwGetKey(Display.getWindow(), i) == 1 && st == PRESSED){
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state.replace(i, REPEATED);
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}else if(glfwGetKey(Display.getWindow(), i) == 0 && (st == PRESSED || st == REPEATED)){
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state.replace(i, RELEASED);
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}else if(glfwGetKey(Display.getWindow(), i) == 0 && st == RELEASED){
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state.replace(i, NONE);
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}
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}else if(i >= MOUSE_OFFSET && i < MOUSE_OFFSET + NBRE_BUTTON){
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if(glfwGetMouseButton(Display.getWindow(), i - MOUSE_OFFSET) == 0 && st == NONE)continue;
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if(glfwGetMouseButton(Display.getWindow(), i - MOUSE_OFFSET) == 1 && st == NONE){
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state.replace(i, PRESSED);
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}else if(glfwGetMouseButton(Display.getWindow(), i - MOUSE_OFFSET) == 1 && st == PRESSED){
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state.replace(i, REPEATED);
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}else if(glfwGetMouseButton(Display.getWindow(), i - MOUSE_OFFSET) == 0 && (st == PRESSED || st == REPEATED)){
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state.replace(i, RELEASED);
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}else if(glfwGetMouseButton(Display.getWindow(), i - MOUSE_OFFSET) == 0 && st == RELEASED){
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state.replace(i, NONE);
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}
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}
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}
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int st = state.get(MOUSE_WHEEL_OFFSET);
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if(ywheel > 0 && (st == NONE || st == UP)){
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state.replace(MOUSE_WHEEL_OFFSET, UP);
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}else if(ywheel < 0 && (st == NONE || st == DOWN)){
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state.replace(MOUSE_WHEEL_OFFSET, DOWN);
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}else if(ywheel == 0 && (st == DOWN || st == UP)){
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state.replace(MOUSE_WHEEL_OFFSET, NONE);
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}
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ywheel = 0;
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if(dMouse.equals(previousDMouse)){
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dMouse = new Vector2f();
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}else{
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previousDMouse = dMouse;
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}
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}
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public static void destroy(){
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mousePos.release();
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scroll.release();
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}
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public static void scroll(long window, double xoffset, double yoffset) {
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ywheel = yoffset;
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}
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public static void mousepos(long window, double xpos, double ypos) {
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dMouse.x = (float) (xpos - mousePosition.x);
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dMouse.y = (float) (ypos - mousePosition.y);
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mousePosition.x = (float) xpos;
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mousePosition.y = (float) ypos;
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}
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public static boolean isButtonDown(int button){
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return state.get(button + MOUSE_OFFSET) == PRESSED;
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}
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public static boolean isButtonUp(int button){
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return state.get(button + MOUSE_OFFSET) == RELEASED;
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}
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public static boolean isButton(int button){
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return state.get(button + MOUSE_OFFSET) == PRESSED || state.get(button + MOUSE_OFFSET) == REPEATED;
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}
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public static int isButtonState(int button){
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return state.get(button + MOUSE_OFFSET);
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}
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public static boolean isKeyDown(int key){
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return state.get(key) == PRESSED;
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}
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public static boolean isKeyUp(int key){
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return state.get(key) == RELEASED;
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}
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public static boolean isKey(int key){
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return state.get(key) == PRESSED || state.get(key) == REPEATED;
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}
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public static int isKeyState(int key){
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return state.get(key);
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}
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public static int isMouseWheelState(){
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return state.get(MOUSE_WHEEL_OFFSET);
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}
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public static boolean isMouseWheelUp(){
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return state.get(MOUSE_WHEEL_OFFSET) == UP;
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}
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public static boolean isMouseWheelDown(){
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return state.get(MOUSE_WHEEL_OFFSET) == DOWN;
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}
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public static GLFWScrollCallback getScroll() {
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return scroll;
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}
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public static void setScroll(GLFWScrollCallback scroll) {
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Input.scroll = scroll;
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}
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public static GLFWCursorPosCallback getMousePos() {
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return mousePos;
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}
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public static void setMousePos(GLFWCursorPosCallback mousePos) {
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Input.mousePos = mousePos;
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}
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public static Vector2f getMousePosition() {
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return mousePosition;
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}
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public static void setMousePosition(Vector2f mousePosition) {
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Input.mousePosition = mousePosition;
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}
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public static Vector2f getDMouse() {
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return dMouse;
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}
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public static void setDMouse(Vector2f dMouse) {
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Input.dMouse = dMouse;
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}
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public static HashMap<Integer, Integer> getState() {
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return state;
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}
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public static void setState(HashMap<Integer, Integer> state) {
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Input.state = state;
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}
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public static double getYwheel() {
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return ywheel;
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}
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public static void setYwheel(double ywheel) {
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Input.ywheel = ywheel;
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}
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public static int getNone() {
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return NONE;
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}
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public static int getPressed() {
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return PRESSED;
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}
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public static int getReleased() {
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return RELEASED;
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}
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public static int getRepeated() {
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return REPEATED;
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}
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public static int getUp() {
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return UP;
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}
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public static int getDown() {
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return DOWN;
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}
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public static int getNbreKey() {
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return NBRE_KEY;
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}
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public static int getNbreButton() {
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return NBRE_BUTTON;
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}
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public static int getMouseOffset() {
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return MOUSE_OFFSET;
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}
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public static int getMouseWheelOffset() {
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return MOUSE_WHEEL_OFFSET;
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}
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}
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