forked from suyu/suyu
android: Convert InputOverlayDrawableJoystick to Kotlin
This commit is contained in:
Charles Lombardo
bunnei
parent
5c8372a566
commit
42b3e72e96
2 changed files with 205 additions and 243 deletions
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@ -1,243 +0,0 @@
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/**
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* Copyright 2013 Dolphin Emulator Project
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* Licensed under GPLv2+
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* Refer to the license.txt file included.
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*/
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package org.yuzu.yuzu_emu.overlay;
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import android.content.res.Resources;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.Rect;
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import android.graphics.drawable.BitmapDrawable;
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import android.view.MotionEvent;
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import org.yuzu.yuzu_emu.NativeLibrary;
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import org.yuzu.yuzu_emu.NativeLibrary.ButtonType;
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import org.yuzu.yuzu_emu.utils.EmulationMenuSettings;
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/**
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* Custom {@link BitmapDrawable} that is capable
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* of storing it's own ID.
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*/
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public final class InputOverlayDrawableJoystick {
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// The ID value what type of joystick this Drawable represents.
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private int mJoystickId;
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// The ID value what type of button this Drawable represents.
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private int mButtonId;
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// The ID value what motion event is tracking
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private int mTrackId = -1;
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private float mXAxis;
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private float mYAxis;
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private int mControlPositionX, mControlPositionY;
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private int mWidth;
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private int mHeight;
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private Rect mVirtBounds;
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private Rect mOrigBounds;
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private BitmapDrawable mOuterBitmap;
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private BitmapDrawable mDefaultStateInnerBitmap;
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private BitmapDrawable mPressedStateInnerBitmap;
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private BitmapDrawable mBoundsBoxBitmap;
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private boolean mPressedState = false;
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/**
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* Constructor
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*
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* @param res {@link Resources} instance.
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* @param bitmapOuter {@link Bitmap} which represents the outer non-movable part of the joystick.
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* @param bitmapInnerDefault {@link Bitmap} which represents the default inner movable part of the joystick.
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* @param bitmapInnerPressed {@link Bitmap} which represents the pressed inner movable part of the joystick.
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* @param rectOuter {@link Rect} which represents the outer joystick bounds.
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* @param rectInner {@link Rect} which represents the inner joystick bounds.
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* @param joystick Identifier for which joystick this is.
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*/
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public InputOverlayDrawableJoystick(Resources res, Bitmap bitmapOuter,
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Bitmap bitmapInnerDefault, Bitmap bitmapInnerPressed,
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Rect rectOuter, Rect rectInner, int joystick, int button) {
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mJoystickId = joystick;
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mButtonId = button;
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mOuterBitmap = new BitmapDrawable(res, bitmapOuter);
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mDefaultStateInnerBitmap = new BitmapDrawable(res, bitmapInnerDefault);
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mPressedStateInnerBitmap = new BitmapDrawable(res, bitmapInnerPressed);
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mBoundsBoxBitmap = new BitmapDrawable(res, bitmapOuter);
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mWidth = bitmapOuter.getWidth();
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mHeight = bitmapOuter.getHeight();
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setBounds(rectOuter);
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mDefaultStateInnerBitmap.setBounds(rectInner);
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mPressedStateInnerBitmap.setBounds(rectInner);
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mVirtBounds = getBounds();
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mOrigBounds = mOuterBitmap.copyBounds();
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mBoundsBoxBitmap.setAlpha(0);
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mBoundsBoxBitmap.setBounds(getVirtBounds());
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SetInnerBounds();
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}
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public void draw(Canvas canvas) {
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mOuterBitmap.draw(canvas);
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getCurrentStateBitmapDrawable().draw(canvas);
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mBoundsBoxBitmap.draw(canvas);
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}
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public boolean updateStatus(MotionEvent event) {
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int pointerIndex = event.getActionIndex();
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int xPosition = (int) event.getX(pointerIndex);
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int yPosition = (int) event.getY(pointerIndex);
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int pointerId = event.getPointerId(pointerIndex);
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int motion_event = event.getAction() & MotionEvent.ACTION_MASK;
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boolean isActionDown = motion_event == MotionEvent.ACTION_DOWN || motion_event == MotionEvent.ACTION_POINTER_DOWN;
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boolean isActionUp = motion_event == MotionEvent.ACTION_UP || motion_event == MotionEvent.ACTION_POINTER_UP;
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if (isActionDown) {
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if (!getBounds().contains(xPosition, yPosition)) {
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return false;
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}
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mPressedState = true;
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mOuterBitmap.setAlpha(0);
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mBoundsBoxBitmap.setAlpha(255);
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if (EmulationMenuSettings.getJoystickRelCenter()) {
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getVirtBounds().offset(xPosition - getVirtBounds().centerX(),
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yPosition - getVirtBounds().centerY());
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}
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mBoundsBoxBitmap.setBounds(getVirtBounds());
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mTrackId = pointerId;
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}
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if (isActionUp) {
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if (mTrackId != pointerId) {
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return false;
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}
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mPressedState = false;
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mXAxis = 0.0f;
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mYAxis = 0.0f;
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mOuterBitmap.setAlpha(255);
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mBoundsBoxBitmap.setAlpha(0);
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setVirtBounds(new Rect(mOrigBounds.left, mOrigBounds.top, mOrigBounds.right,
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mOrigBounds.bottom));
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setBounds(new Rect(mOrigBounds.left, mOrigBounds.top, mOrigBounds.right,
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mOrigBounds.bottom));
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SetInnerBounds();
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mTrackId = -1;
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return true;
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}
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if (mTrackId == -1)
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return false;
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for (int i = 0; i < event.getPointerCount(); i++) {
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if (mTrackId != event.getPointerId(i)) {
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continue;
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}
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float touchX = event.getX(i);
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float touchY = event.getY(i);
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float maxY = getVirtBounds().bottom;
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float maxX = getVirtBounds().right;
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touchX -= getVirtBounds().centerX();
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maxX -= getVirtBounds().centerX();
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touchY -= getVirtBounds().centerY();
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maxY -= getVirtBounds().centerY();
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final float AxisX = touchX / maxX;
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final float AxisY = touchY / maxY;
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final float oldXAxis = mXAxis;
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final float oldYAxis = mYAxis;
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// Clamp the circle pad input to a circle
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final float angle = (float) Math.atan2(AxisY, AxisX);
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float radius = (float) Math.sqrt(AxisX * AxisX + AxisY * AxisY);
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if (radius > 1.0f) {
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radius = 1.0f;
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}
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mXAxis = ((float) Math.cos(angle) * radius);
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mYAxis = ((float) Math.sin(angle) * radius);
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SetInnerBounds();
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return oldXAxis != mXAxis && oldYAxis != mYAxis;
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}
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return false;
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}
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private void SetInnerBounds() {
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int X = getVirtBounds().centerX() + (int) ((mXAxis) * (getVirtBounds().width() / 2));
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int Y = getVirtBounds().centerY() + (int) ((mYAxis) * (getVirtBounds().height() / 2));
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if (X > getVirtBounds().centerX() + (getVirtBounds().width() / 2))
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X = getVirtBounds().centerX() + (getVirtBounds().width() / 2);
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if (X < getVirtBounds().centerX() - (getVirtBounds().width() / 2))
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X = getVirtBounds().centerX() - (getVirtBounds().width() / 2);
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if (Y > getVirtBounds().centerY() + (getVirtBounds().height() / 2))
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Y = getVirtBounds().centerY() + (getVirtBounds().height() / 2);
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if (Y < getVirtBounds().centerY() - (getVirtBounds().height() / 2))
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Y = getVirtBounds().centerY() - (getVirtBounds().height() / 2);
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int width = mPressedStateInnerBitmap.getBounds().width() / 2;
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int height = mPressedStateInnerBitmap.getBounds().height() / 2;
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mDefaultStateInnerBitmap.setBounds(X - width, Y - height, X + width, Y + height);
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mPressedStateInnerBitmap.setBounds(mDefaultStateInnerBitmap.getBounds());
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}
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public void setPosition(int x, int y) {
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mControlPositionX = x;
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mControlPositionY = y;
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}
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private BitmapDrawable getCurrentStateBitmapDrawable() {
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return mPressedState ? mPressedStateInnerBitmap : mDefaultStateInnerBitmap;
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}
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/**
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* Gets this InputOverlayDrawableJoystick's button ID.
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*
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* @return this InputOverlayDrawableJoystick's button ID.
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*/
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public int getJoystickId() {
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return mJoystickId;
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}
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public float getXAxis() {
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return mXAxis;
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}
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public float getYAxis() {
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// Nintendo joysticks have y axis inverted
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return -mYAxis;
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}
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public int getButtonId() {
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return mButtonId;
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}
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public int getTrackId() {
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return mTrackId;
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}
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public int getButtonStatus() {
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// TODO: Add button support
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return NativeLibrary.ButtonState.RELEASED;
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}
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public Rect getBounds() {
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return mOuterBitmap.getBounds();
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}
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public void setBounds(Rect bounds) {
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mOuterBitmap.setBounds(bounds);
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}
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private Rect getVirtBounds() {
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return mVirtBounds;
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}
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private void setVirtBounds(Rect bounds) {
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mVirtBounds = bounds;
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}
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public int getWidth() {
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return mWidth;
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}
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public int getHeight() {
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return mHeight;
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}
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}
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@ -0,0 +1,205 @@
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package org.yuzu.yuzu_emu.overlay
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import android.content.res.Resources
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import android.graphics.Bitmap
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import android.graphics.Canvas
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import android.graphics.Rect
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import android.graphics.drawable.BitmapDrawable
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import android.view.MotionEvent
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import org.yuzu.yuzu_emu.NativeLibrary
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import org.yuzu.yuzu_emu.utils.EmulationMenuSettings
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import kotlin.math.atan2
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import kotlin.math.cos
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import kotlin.math.sin
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import kotlin.math.sqrt
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/**
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* Custom [BitmapDrawable] that is capable
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* of storing it's own ID.
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*
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* @param res [Resources] instance.
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* @param bitmapOuter [Bitmap] which represents the outer non-movable part of the joystick.
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* @param bitmapInnerDefault [Bitmap] which represents the default inner movable part of the joystick.
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* @param bitmapInnerPressed [Bitmap] which represents the pressed inner movable part of the joystick.
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* @param rectOuter [Rect] which represents the outer joystick bounds.
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* @param rectInner [Rect] which represents the inner joystick bounds.
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* @param joystickId The ID value what type of joystick this Drawable represents.
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* @param buttonId The ID value what type of button this Drawable represents.
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*/
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class InputOverlayDrawableJoystick(
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res: Resources,
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bitmapOuter: Bitmap,
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bitmapInnerDefault: Bitmap,
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bitmapInnerPressed: Bitmap,
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rectOuter: Rect,
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rectInner: Rect,
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val joystickId: Int,
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val buttonId: Int
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) {
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// The ID value what motion event is tracking
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var trackId = -1
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var xAxis = 0f
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private var yAxis = 0f
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private var controlPositionX = 0
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private var controlPositionY = 0
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val width: Int
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val height: Int
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private var virtBounds: Rect
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private val origBounds: Rect
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private val outerBitmap: BitmapDrawable
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private val defaultStateInnerBitmap: BitmapDrawable
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private val pressedStateInnerBitmap: BitmapDrawable
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private val boundsBoxBitmap: BitmapDrawable
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private var pressedState = false
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// TODO: Add button support
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val buttonStatus: Int
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get() =
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NativeLibrary.ButtonState.RELEASED
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var bounds: Rect?
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get() = outerBitmap.bounds
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set(bounds) {
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outerBitmap.bounds = bounds!!
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}
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// Nintendo joysticks have y axis inverted
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val realYAxis: Float
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get() = -yAxis
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private val currentStateBitmapDrawable: BitmapDrawable
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get() = if (pressedState) pressedStateInnerBitmap else defaultStateInnerBitmap
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init {
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outerBitmap = BitmapDrawable(res, bitmapOuter)
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defaultStateInnerBitmap = BitmapDrawable(res, bitmapInnerDefault)
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pressedStateInnerBitmap = BitmapDrawable(res, bitmapInnerPressed)
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boundsBoxBitmap = BitmapDrawable(res, bitmapOuter)
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width = bitmapOuter.width
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height = bitmapOuter.height
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bounds = rectOuter
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defaultStateInnerBitmap.bounds = rectInner
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pressedStateInnerBitmap.bounds = rectInner
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virtBounds = bounds!!
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origBounds = outerBitmap.copyBounds()
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boundsBoxBitmap.alpha = 0
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boundsBoxBitmap.bounds = virtBounds
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setInnerBounds()
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}
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fun draw(canvas: Canvas?) {
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outerBitmap.draw(canvas!!)
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currentStateBitmapDrawable.draw(canvas)
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boundsBoxBitmap.draw(canvas)
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}
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fun updateStatus(event: MotionEvent): Boolean {
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val pointerIndex = event.actionIndex
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val xPosition = event.getX(pointerIndex).toInt()
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val yPosition = event.getY(pointerIndex).toInt()
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val pointerId = event.getPointerId(pointerIndex)
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val motionEvent = event.action and MotionEvent.ACTION_MASK
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val isActionDown =
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motionEvent == MotionEvent.ACTION_DOWN || motionEvent == MotionEvent.ACTION_POINTER_DOWN
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val isActionUp =
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motionEvent == MotionEvent.ACTION_UP || motionEvent == MotionEvent.ACTION_POINTER_UP
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if (isActionDown) {
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if (!bounds!!.contains(xPosition, yPosition)) {
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return false
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}
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pressedState = true
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outerBitmap.alpha = 0
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boundsBoxBitmap.alpha = 255
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if (EmulationMenuSettings.joystickRelCenter) {
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virtBounds.offset(
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xPosition - virtBounds.centerX(),
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yPosition - virtBounds.centerY()
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)
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}
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boundsBoxBitmap.bounds = virtBounds
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trackId = pointerId
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}
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if (isActionUp) {
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if (trackId != pointerId) {
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return false
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}
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pressedState = false
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xAxis = 0.0f
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yAxis = 0.0f
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outerBitmap.alpha = 255
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boundsBoxBitmap.alpha = 0
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virtBounds = Rect(
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origBounds.left,
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origBounds.top,
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origBounds.right,
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origBounds.bottom
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)
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bounds = Rect(
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origBounds.left,
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origBounds.top,
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origBounds.right,
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origBounds.bottom
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)
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setInnerBounds()
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trackId = -1
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return true
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}
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if (trackId == -1) return false
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for (i in 0 until event.pointerCount) {
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if (trackId != event.getPointerId(i)) {
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continue
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}
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var touchX = event.getX(i)
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var touchY = event.getY(i)
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var maxY = virtBounds.bottom.toFloat()
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var maxX = virtBounds.right.toFloat()
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touchX -= virtBounds.centerX().toFloat()
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maxX -= virtBounds.centerX().toFloat()
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touchY -= virtBounds.centerY().toFloat()
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maxY -= virtBounds.centerY().toFloat()
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val axisX = touchX / maxX
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val axisY = touchY / maxY
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val oldXAxis = xAxis
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val oldYAxis = yAxis
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// Clamp the circle pad input to a circle
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val angle = atan2(axisY.toDouble(), axisX.toDouble()).toFloat()
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var radius = sqrt((axisX * axisX + axisY * axisY).toDouble()).toFloat()
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if (radius > 1.0f) {
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radius = 1.0f
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}
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xAxis = cos(angle.toDouble()).toFloat() * radius
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yAxis = sin(angle.toDouble()).toFloat() * radius
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setInnerBounds()
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return oldXAxis != xAxis && oldYAxis != yAxis
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}
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return false
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}
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private fun setInnerBounds() {
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var x = virtBounds.centerX() + (xAxis * (virtBounds.width() / 2)).toInt()
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var y = virtBounds.centerY() + (yAxis * (virtBounds.height() / 2)).toInt()
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if (x > virtBounds.centerX() + virtBounds.width() / 2) x =
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virtBounds.centerX() + virtBounds.width() / 2
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if (x < virtBounds.centerX() - virtBounds.width() / 2) x =
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virtBounds.centerX() - virtBounds.width() / 2
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if (y > virtBounds.centerY() + virtBounds.height() / 2) y =
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virtBounds.centerY() + virtBounds.height() / 2
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if (y < virtBounds.centerY() - virtBounds.height() / 2) y =
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virtBounds.centerY() - virtBounds.height() / 2
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val width = pressedStateInnerBitmap.bounds.width() / 2
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val height = pressedStateInnerBitmap.bounds.height() / 2
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defaultStateInnerBitmap.setBounds(
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x - width,
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y - height,
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x + width,
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y + height
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)
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pressedStateInnerBitmap.bounds = defaultStateInnerBitmap.bounds
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}
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fun setPosition(x: Int, y: Int) {
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controlPositionX = x
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controlPositionY = y
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}
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}
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