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/**
* Copyright 2016 Dolphin Emulator Project
* Licensed under GPLv2+
* Refer to the license.txt file included.
*/
package org.yuzu.yuzu_emu.overlay;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Rect;
import android.graphics.drawable.BitmapDrawable;
import android.view.MotionEvent;
/**
* Custom {@link BitmapDrawable} that is capable
* of storing it's own ID.
*/
public final class InputOverlayDrawableDpad {
public static final int STATE_DEFAULT = 0;
public static final int STATE_PRESSED_UP = 1;
public static final int STATE_PRESSED_DOWN = 2;
public static final int STATE_PRESSED_LEFT = 3;
public static final int STATE_PRESSED_RIGHT = 4;
public static final int STATE_PRESSED_UP_LEFT = 5;
public static final int STATE_PRESSED_UP_RIGHT = 6;
public static final int STATE_PRESSED_DOWN_LEFT = 7;
public static final int STATE_PRESSED_DOWN_RIGHT = 8;
public static final float VIRT_AXIS_DEADZONE = 0.5f;
// The ID identifying what type of button this Drawable represents.
private int[] mButtonType = new int[4];
private int mTrackId;
private int mPreviousTouchX, mPreviousTouchY;
private int mControlPositionX, mControlPositionY;
private int mWidth;
private int mHeight;
private BitmapDrawable mDefaultStateBitmap;
private BitmapDrawable mPressedOneDirectionStateBitmap;
private BitmapDrawable mPressedTwoDirectionsStateBitmap;
private int mPressState = STATE_DEFAULT;
/**
* Constructor
*
* @param res {@link Resources} instance.
* @param defaultStateBitmap {@link Bitmap} of the default state.
* @param pressedOneDirectionStateBitmap {@link Bitmap} of the pressed state in one direction.
* @param pressedTwoDirectionsStateBitmap {@link Bitmap} of the pressed state in two direction.
* @param buttonUp Identifier for the up button.
* @param buttonDown Identifier for the down button.
* @param buttonLeft Identifier for the left button.
* @param buttonRight Identifier for the right button.
*/
public InputOverlayDrawableDpad(Resources res,
Bitmap defaultStateBitmap,
Bitmap pressedOneDirectionStateBitmap,
Bitmap pressedTwoDirectionsStateBitmap,
int buttonUp, int buttonDown,
int buttonLeft, int buttonRight) {
mDefaultStateBitmap = new BitmapDrawable(res, defaultStateBitmap);
mPressedOneDirectionStateBitmap = new BitmapDrawable(res, pressedOneDirectionStateBitmap);
mPressedTwoDirectionsStateBitmap = new BitmapDrawable(res, pressedTwoDirectionsStateBitmap);
mWidth = mDefaultStateBitmap.getIntrinsicWidth();
mHeight = mDefaultStateBitmap.getIntrinsicHeight();
mButtonType[0] = buttonUp;
mButtonType[1] = buttonDown;
mButtonType[2] = buttonLeft;
mButtonType[3] = buttonRight;
mTrackId = -1;
}
public void draw(Canvas canvas) {
int px = mControlPositionX + (getWidth() / 2);
int py = mControlPositionY + (getHeight() / 2);
switch (mPressState) {
case STATE_DEFAULT:
mDefaultStateBitmap.draw(canvas);
break;
case STATE_PRESSED_UP:
mPressedOneDirectionStateBitmap.draw(canvas);
break;
case STATE_PRESSED_RIGHT:
canvas.save();
canvas.rotate(90, px, py);
mPressedOneDirectionStateBitmap.draw(canvas);
canvas.restore();
break;
case STATE_PRESSED_DOWN:
canvas.save();
canvas.rotate(180, px, py);
mPressedOneDirectionStateBitmap.draw(canvas);
canvas.restore();
break;
case STATE_PRESSED_LEFT:
canvas.save();
canvas.rotate(270, px, py);
mPressedOneDirectionStateBitmap.draw(canvas);
canvas.restore();
break;
case STATE_PRESSED_UP_LEFT:
mPressedTwoDirectionsStateBitmap.draw(canvas);
break;
case STATE_PRESSED_UP_RIGHT:
canvas.save();
canvas.rotate(90, px, py);
mPressedTwoDirectionsStateBitmap.draw(canvas);
canvas.restore();
break;
case STATE_PRESSED_DOWN_RIGHT:
canvas.save();
canvas.rotate(180, px, py);
mPressedTwoDirectionsStateBitmap.draw(canvas);
canvas.restore();
break;
case STATE_PRESSED_DOWN_LEFT:
canvas.save();
canvas.rotate(270, px, py);
mPressedTwoDirectionsStateBitmap.draw(canvas);
canvas.restore();
break;
}
}
/**
* Gets one of the InputOverlayDrawableDpad's button IDs.
*
* @return the requested InputOverlayDrawableDpad's button ID.
*/
public int getId(int direction) {
return mButtonType[direction];
}
public int getTrackId() {
return mTrackId;
}
public void setTrackId(int trackId) {
mTrackId = trackId;
}
public boolean onConfigureTouch(MotionEvent event) {
int pointerIndex = event.getActionIndex();
int fingerPositionX = (int) event.getX(pointerIndex);
int fingerPositionY = (int) event.getY(pointerIndex);
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
mPreviousTouchX = fingerPositionX;
mPreviousTouchY = fingerPositionY;
break;
case MotionEvent.ACTION_MOVE:
mControlPositionX += fingerPositionX - mPreviousTouchX;
mControlPositionY += fingerPositionY - mPreviousTouchY;
setBounds(mControlPositionX, mControlPositionY, getWidth() + mControlPositionX,
getHeight() + mControlPositionY);
mPreviousTouchX = fingerPositionX;
mPreviousTouchY = fingerPositionY;
break;
}
return true;
}
public void setPosition(int x, int y) {
mControlPositionX = x;
mControlPositionY = y;
}
public void setBounds(int left, int top, int right, int bottom) {
mDefaultStateBitmap.setBounds(left, top, right, bottom);
mPressedOneDirectionStateBitmap.setBounds(left, top, right, bottom);
mPressedTwoDirectionsStateBitmap.setBounds(left, top, right, bottom);
}
public Rect getBounds() {
return mDefaultStateBitmap.getBounds();
}
public int getWidth() {
return mWidth;
}
public int getHeight() {
return mHeight;
}
public void setState(int pressState) {
mPressState = pressState;
}
}
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