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- package com.mygame;
- import java.util.ArrayList;
- import org.lwjgl.input.Keyboard;
- import org.lwjgl.input.Mouse;
- // A wrapper around the LWJGL's input system. Holds track of pressed and released keys and buttons
- public class Input {
- private static ArrayList<Integer> currentKeys = new ArrayList<Integer>();
- private static ArrayList<Integer> downKeys = new ArrayList<Integer>();
- private static ArrayList<Integer> upKeys = new ArrayList<Integer>();
- private static ArrayList<Integer> currentMouse = new ArrayList<Integer>();
- private static ArrayList<Integer> downMouse = new ArrayList<Integer>();
- private static ArrayList<Integer> upMouse = new ArrayList<Integer>();
- private static final int NUM_KEYS = 255;
- private static final int NUM_BUTTONS = 3;
- private static int dx;
- private static int dy;
- //All these constants come from LWJGL's Keyboard class
- public static final int KEY_NONE = 0x00;
- public static final int KEY_ESCAPE = 0x01;
- public static final int KEY_1 = 0x02;
- public static final int KEY_2 = 0x03;
- public static final int KEY_3 = 0x04;
- public static final int KEY_4 = 0x05;
- public static final int KEY_5 = 0x06;
- public static final int KEY_6 = 0x07;
- public static final int KEY_7 = 0x08;
- public static final int KEY_8 = 0x09;
- public static final int KEY_9 = 0x0A;
- public static final int KEY_0 = 0x0B;
- public static final int KEY_MINUS = 0x0C; /* - on main keyboard */
- public static final int KEY_EQUALS = 0x0D;
- public static final int KEY_BACK = 0x0E; /* backspace */
- public static final int KEY_TAB = 0x0F;
- public static final int KEY_Q = 0x10;
- public static final int KEY_W = 0x11;
- public static final int KEY_E = 0x12;
- public static final int KEY_R = 0x13;
- public static final int KEY_T = 0x14;
- public static final int KEY_Y = 0x15;
- public static final int KEY_U = 0x16;
- public static final int KEY_I = 0x17;
- public static final int KEY_O = 0x18;
- public static final int KEY_P = 0x19;
- public static final int KEY_LBRACKET = 0x1A;
- public static final int KEY_RBRACKET = 0x1B;
- public static final int KEY_RETURN = 0x1C; /* Enter on main keyboard */
- public static final int KEY_LCONTROL = 0x1D;
- public static final int KEY_A = 0x1E;
- public static final int KEY_S = 0x1F;
- public static final int KEY_D = 0x20;
- public static final int KEY_F = 0x21;
- public static final int KEY_G = 0x22;
- public static final int KEY_H = 0x23;
- public static final int KEY_J = 0x24;
- public static final int KEY_K = 0x25;
- public static final int KEY_L = 0x26;
- public static final int KEY_SEMICOLON = 0x27;
- public static final int KEY_APOSTROPHE = 0x28;
- public static final int KEY_GRAVE = 0x29; /* accent grave */
- public static final int KEY_LSHIFT = 0x2A;
- public static final int KEY_BACKSLASH = 0x2B;
- public static final int KEY_Z = 0x2C;
- public static final int KEY_X = 0x2D;
- public static final int KEY_C = 0x2E;
- public static final int KEY_V = 0x2F;
- public static final int KEY_B = 0x30;
- public static final int KEY_N = 0x31;
- public static final int KEY_M = 0x32;
- public static final int KEY_COMMA = 0x33;
- public static final int KEY_PERIOD = 0x34; /* . on main keyboard */
- public static final int KEY_SLASH = 0x35; /* / on main keyboard */
- public static final int KEY_RSHIFT = 0x36;
- public static final int KEY_MULTIPLY = 0x37; /* * on numeric keypad */
- public static final int KEY_LMENU = 0x38; /* left Alt */
- public static final int KEY_LALT = KEY_LMENU; /* left Alt */
- public static final int KEY_SPACE = 0x39;
- public static final int KEY_CAPITAL = 0x3A;
- public static final int KEY_F1 = 0x3B;
- public static final int KEY_F2 = 0x3C;
- public static final int KEY_F3 = 0x3D;
- public static final int KEY_F4 = 0x3E;
- public static final int KEY_F5 = 0x3F;
- public static final int KEY_F6 = 0x40;
- public static final int KEY_F7 = 0x41;
- public static final int KEY_F8 = 0x42;
- public static final int KEY_F9 = 0x43;
- public static final int KEY_F10 = 0x44;
- public static final int KEY_NUMLOCK = 0x45;
- public static final int KEY_SCROLL = 0x46; /* Scroll Lock */
- public static final int KEY_NUMPAD7 = 0x47;
- public static final int KEY_NUMPAD8 = 0x48;
- public static final int KEY_NUMPAD9 = 0x49;
- public static final int KEY_SUBTRACT = 0x4A; /* - on numeric keypad */
- public static final int KEY_NUMPAD4 = 0x4B;
- public static final int KEY_NUMPAD5 = 0x4C;
- public static final int KEY_NUMPAD6 = 0x4D;
- public static final int KEY_ADD = 0x4E; /* + on numeric keypad */
- public static final int KEY_NUMPAD1 = 0x4F;
- public static final int KEY_NUMPAD2 = 0x50;
- public static final int KEY_NUMPAD3 = 0x51;
- public static final int KEY_NUMPAD0 = 0x52;
- public static final int KEY_DECIMAL = 0x53; /* . on numeric keypad */
- public static final int KEY_F11 = 0x57;
- public static final int KEY_F12 = 0x58;
- public static final int KEY_F13 = 0x64; /* (NEC PC98) */
- public static final int KEY_F14 = 0x65; /* (NEC PC98) */
- public static final int KEY_F15 = 0x66; /* (NEC PC98) */
- public static final int KEY_KANA = 0x70; /* (Japanese keyboard) */
- public static final int KEY_CONVERT = 0x79; /* (Japanese keyboard) */
- public static final int KEY_NOCONVERT = 0x7B; /* (Japanese keyboard) */
- public static final int KEY_YEN = 0x7D; /* (Japanese keyboard) */
- public static final int KEY_NUMPADEQUALS = 0x8D; /* = on numeric keypad (NEC PC98) */
- public static final int KEY_CIRCUMFLEX = 0x90; /* (Japanese keyboard) */
- public static final int KEY_AT = 0x91; /* (NEC PC98) */
- public static final int KEY_COLON = 0x92; /* (NEC PC98) */
- public static final int KEY_UNDERLINE = 0x93; /* (NEC PC98) */
- public static final int KEY_KANJI = 0x94; /* (Japanese keyboard) */
- public static final int KEY_STOP = 0x95; /* (NEC PC98) */
- public static final int KEY_AX = 0x96; /* (Japan AX) */
- public static final int KEY_UNLABELED = 0x97; /* (J3100) */
- public static final int KEY_NUMPADENTER = 0x9C; /* Enter on numeric keypad */
- public static final int KEY_RCONTROL = 0x9D;
- public static final int KEY_NUMPADCOMMA = 0xB3; /* , on numeric keypad (NEC PC98) */
- public static final int KEY_DIVIDE = 0xB5; /* / on numeric keypad */
- public static final int KEY_SYSRQ = 0xB7;
- public static final int KEY_RMENU = 0xB8; /* right Alt */
- public static final int KEY_RALT = KEY_RMENU; /* right Alt */
- public static final int KEY_PAUSE = 0xC5; /* Pause */
- public static final int KEY_HOME = 0xC7; /* Home on arrow keypad */
- public static final int KEY_UP = 0xC8; /* UpArrow on arrow keypad */
- public static final int KEY_PRIOR = 0xC9; /* PgUp on arrow keypad */
- public static final int KEY_LEFT = 0xCB; /* LeftArrow on arrow keypad */
- public static final int KEY_RIGHT = 0xCD; /* RightArrow on arrow keypad */
- public static final int KEY_END = 0xCF; /* End on arrow keypad */
- public static final int KEY_DOWN = 0xD0; /* DownArrow on arrow keypad */
- public static final int KEY_NEXT = 0xD1; /* PgDn on arrow keypad */
- public static final int KEY_INSERT = 0xD2; /* Insert on arrow keypad */
- public static final int KEY_DELETE = 0xD3; /* Delete on arrow keypad */
- public static final int KEY_LMETA = 0xDB; /* Left Windows/Option key */
- public static final int KEY_LWIN = KEY_LMETA; /* Left Windows key */
- public static final int KEY_RMETA = 0xDC; /* Right Windows/Option key */
- public static final int KEY_RWIN = KEY_RMETA; /* Right Windows key */
- public static final int KEY_APPS = 0xDD; /* AppMenu key */
- public static final int KEY_POWER = 0xDE;
- public static final int KEY_SLEEP = 0xDF;
- public static void update() {
- updateKeyboard();
- updateMouse();
- }
- private static void updateKeyboard() {
- downKeys.clear();
- upKeys.clear();
- for (int i=0; i<NUM_KEYS; i++) {
- if (isKeyDown(i) && !currentKeys.contains(i)) {
- downKeys.add(i);
- }
- }
- for (int i=0; i<NUM_KEYS; i++) {
- if (!isKeyDown(i) && currentKeys.contains(i)) {
- upKeys.add(i);
- }
- }
- currentKeys.clear();
- for (int i=0; i<NUM_KEYS; i++) {
- if (isKeyDown(i)) {
- currentKeys.add(i);
- }
- }
- }
- private static void updateMouse() {
- downMouse.clear();
- upMouse.clear();
- for (int i=0; i<NUM_BUTTONS; i++) {
- if (isMouseDown(i) && !currentMouse.contains(i)) {
- downMouse.add(i);
- }
- }
- for (int i=0; i<NUM_BUTTONS; i++) {
- if (!isMouseDown(i) && currentMouse.contains(i)) {
- upMouse.add(i);
- }
- }
- currentMouse.clear();
- for (int i=0; i<NUM_BUTTONS; i++) {
- if (isMouseDown(i)) {
- currentMouse.add(i);
- }
- }
- dx = Mouse.getDX();
- dy = Mouse.getDY();
- }
- public static boolean isKeyDown(int keyCode) {
- return Keyboard.isKeyDown(keyCode);
- }
- public static boolean isKeyPressed(int keyCode) {
- return downKeys.contains(keyCode);
- }
- public static boolean isKeyUp(int keyCode) {
- return upKeys.contains(keyCode);
- }
- public static boolean isMouseDown(int buttonCode) {
- return Mouse.isButtonDown(buttonCode);
- }
- public static boolean isMouseClicked(int buttonCode) {
- return downMouse.contains(buttonCode);
- }
- public static boolean isMouseUp(int buttonCode) {
- return upMouse.contains(buttonCode);
- }
- public static int getDX() {
- return dx;
- }
- public static int getDY() {
- return dy;
- }
- }
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