[Android-overlay] Support touch screen axises in native. Have a non-configurable main joystick on screen at this point.

This commit is contained in:
Ryan Houdek 2013-11-14 15:17:51 -06:00
parent 9d3d568ae4
commit feedee5c23
7 changed files with 305 additions and 69 deletions

View File

@ -59,6 +59,14 @@ public final class NativeLibrary
*/
public static native void onTouchEvent(int Button, int Action);
/**
* Handles touch events.
*
* @param Button Key code identifying which button was pressed.
* @param Action Mask for the action being performed.
*/
public static native void onTouchAxisEvent(int Axis, float loc);
/**
* Handles button press events for a gamepad.
*

View File

@ -6,36 +6,41 @@
package org.dolphinemu.dolphinemu.emulation.overlay;
import java.util.HashSet;
import java.util.Set;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.res.Resources;
import android.graphics.*;
import android.graphics.drawable.Drawable;
import android.preference.PreferenceManager;
import android.util.AttributeSet;
import android.util.Log;
import android.view.MotionEvent;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.View.OnTouchListener;
import org.dolphinemu.dolphinemu.NativeLibrary;
import org.dolphinemu.dolphinemu.NativeLibrary.ButtonState;
import org.dolphinemu.dolphinemu.NativeLibrary.ButtonType;
import org.dolphinemu.dolphinemu.R;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.drawable.Drawable;
import android.preference.PreferenceManager;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.SurfaceView;
import android.view.View;
import android.view.View.OnTouchListener;
import java.util.HashSet;
import java.util.Set;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Semaphore;
/**
* Draws the interactive input overlay on top of the
* {@link NativeGLSurfaceView} that is rendering emulation.
*/
public final class InputOverlay extends SurfaceView implements OnTouchListener
public final class InputOverlay extends SurfaceView implements OnTouchListener, Runnable
{
private final Set<InputOverlayDrawable> overlayItems = new HashSet<InputOverlayDrawable>();
private final Set<InputOverlayDrawableButton> overlayButtons = new HashSet<InputOverlayDrawableButton>();
private final Set<InputOverlayDrawableJoystick> overlayJoysticks = new HashSet<InputOverlayDrawableJoystick>();
Semaphore _sema;
SurfaceHolder surfaceHolder;
Thread thread = null;
/**
* Constructor
*
@ -47,9 +52,13 @@ public final class InputOverlay extends SurfaceView implements OnTouchListener
super(context, attrs);
// Add all the overlay items to the HashSet.
overlayItems.add(initializeOverlayDrawable(context, R.drawable.button_a, ButtonType.BUTTON_A));
overlayItems.add(initializeOverlayDrawable(context, R.drawable.button_b, ButtonType.BUTTON_B));
overlayItems.add(initializeOverlayDrawable(context, R.drawable.button_start, ButtonType.BUTTON_START));
overlayButtons.add(initializeOverlayButton(context, R.drawable.button_a, ButtonType.BUTTON_A));
overlayButtons.add(initializeOverlayButton(context, R.drawable.button_b, ButtonType.BUTTON_B));
overlayButtons.add(initializeOverlayButton(context, R.drawable.button_start, ButtonType.BUTTON_START));
overlayJoysticks.add(initializeOverlayJoystick(context,
R.drawable.joy_outer, R.drawable.joy_inner,
ButtonType.STICK_MAIN_UP, ButtonType.STICK_MAIN_DOWN,
ButtonType.STICK_MAIN_LEFT, ButtonType.STICK_MAIN_RIGHT));
// Set the on touch listener.
setOnTouchListener(this);
@ -59,8 +68,42 @@ public final class InputOverlay extends SurfaceView implements OnTouchListener
// Request focus for the overlay so it has priority on presses.
requestFocus();
}
_sema = new Semaphore(0);
surfaceHolder = getHolder();
surfaceHolder.setFormat(PixelFormat.TRANSPARENT);
thread = new Thread(this);
thread.start();
}
private boolean Draw()
{
if(surfaceHolder.getSurface().isValid()){
// Draw everything
Canvas canvas = surfaceHolder.lockCanvas();
canvas.drawColor(Color.TRANSPARENT, PorterDuff.Mode.CLEAR);
for (InputOverlayDrawableButton item : overlayButtons)
item.draw(canvas);
for (InputOverlayDrawableJoystick item : overlayJoysticks)
item.Draw(canvas);
surfaceHolder.unlockCanvasAndPost(canvas);
return true;
}
return false;
}
@Override
public void run() {
boolean didFirstPost = false;
while(!didFirstPost)
if (Draw())
didFirstPost = true;
while(true){
try
{
_sema.acquire();
Draw();
} catch (InterruptedException ex) {}
}
}
@Override
public boolean onTouch(View v, MotionEvent event)
{
@ -69,7 +112,7 @@ public final class InputOverlay extends SurfaceView implements OnTouchListener
// The reason it won't work is that when moving an axis, you would get the event MotionEvent.ACTION_MOVE.
int buttonState = (event.getAction() == MotionEvent.ACTION_DOWN) ? ButtonState.PRESSED : ButtonState.RELEASED;
for (InputOverlayDrawable item : overlayItems)
for (InputOverlayDrawableButton item : overlayButtons)
{
// Check if there was a touch within the bounds of a drawable.
if (item.getBounds().contains((int)event.getX(), (int)event.getY()))
@ -93,24 +136,22 @@ public final class InputOverlay extends SurfaceView implements OnTouchListener
}
}
}
for (InputOverlayDrawableJoystick item : overlayJoysticks)
{
item.TrackEvent(event);
int[] axisIDs = item.getAxisIDs();
float[] axises = item.getAxisValues();
for (int a = 0; a < 4; ++a)
NativeLibrary.onTouchAxisEvent(axisIDs[a], axises[a]);
}
_sema.release();
return true;
}
@Override
public void onDraw(Canvas canvas)
{
super.onDraw(canvas);
// Draw all overlay items.
for (InputOverlayDrawable item : overlayItems)
{
item.draw(canvas);
}
}
/**
* Initializes an InputOverlayDrawable, given by resId, with all of the
* Initializes an InputOverlayDrawableButton, given by resId, with all of the
* parameters set for it to be properly shown on the InputOverlay.
* <p>
* This works due to the way the X and Y coordinates are stored within
@ -130,47 +171,76 @@ public final class InputOverlay extends SurfaceView implements OnTouchListener
* </ul>
* <p>
* Technically no modifications should need to be performed on the returned
* InputOverlayDrawable. Simply add it to the HashSet of overlay items and wait
* InputOverlayDrawableButton. Simply add it to the HashSet of overlay items and wait
* for Android to call the onDraw method.
*
* @param context The current {@link Context}.
* @param resId The resource ID of the {@link Drawable} to get the {@link Bitmap} of.
* @param buttonId Identifier for determining what type of button the initialized InputOverlayDrawable represents.
* @param buttonId Identifier for determining what type of button the initialized InputOverlayDrawableButton represents.
*
* @return An {@link InputOverlayDrawable} with the correct drawing bounds set.
* @return An {@link InputOverlayDrawableButton} with the correct drawing bounds set.
*
*/
private static InputOverlayDrawable initializeOverlayDrawable(Context context, int resId, int buttonId)
private static InputOverlayDrawableButton initializeOverlayButton(Context context, int resId, int buttonId)
{
// Resources handle for fetching the initial Drawable resource.
final Resources res = context.getResources();
// SharedPreference to retrieve the X and Y coordinates for the InputOverlayDrawable.
// SharedPreference to retrieve the X and Y coordinates for the InputOverlayDrawableButton.
final SharedPreferences sPrefs = PreferenceManager.getDefaultSharedPreferences(context);
// Initialize the InputOverlayDrawable.
// Initialize the InputOverlayDrawableButton.
final Bitmap bitmap = BitmapFactory.decodeResource(res, resId);
final InputOverlayDrawable overlayDrawable = new InputOverlayDrawable(res, bitmap, buttonId);
final InputOverlayDrawableButton overlayDrawable = new InputOverlayDrawableButton(res, bitmap, buttonId);
// String ID of the Drawable. This is what is passed into SharedPreferences
// to check whether or not a value has been set.
final String drawableId = res.getResourceEntryName(resId);
// The X and Y coordinates of the InputOverlayDrawable on the InputOverlay.
// The X and Y coordinates of the InputOverlayDrawableButton on the InputOverlay.
// These were set in the input overlay configuration menu.
int drawableX = (int) sPrefs.getFloat(drawableId+"-X", 0f);
int drawableY = (int) sPrefs.getFloat(drawableId+"-Y", 0f);
// Intrinsic width and height of the InputOverlayDrawable.
// Intrinsic width and height of the InputOverlayDrawableButton.
// For any who may not know, intrinsic width/height
// are the original unmodified width and height of the image.
int intrinWidth = overlayDrawable.getIntrinsicWidth();
int intrinHeight = overlayDrawable.getIntrinsicHeight();
// Now set the bounds for the InputOverlayDrawable.
// This will dictate where on the screen (and the what the size) the InputOverlayDrawable will be.
// Now set the bounds for the InputOverlayDrawableButton.
// This will dictate where on the screen (and the what the size) the InputOverlayDrawableButton will be.
overlayDrawable.setBounds(drawableX, drawableY, drawableX+intrinWidth, drawableY+intrinHeight);
return overlayDrawable;
}
private static InputOverlayDrawableJoystick initializeOverlayJoystick(Context context, int resOuter, int resInner, int axisUp, int axisDown, int axisLeft, int axisRight)
{
// Resources handle for fetching the initial Drawable resource.
final Resources res = context.getResources();
// SharedPreference to retrieve the X and Y coordinates for the InputOverlayDrawableButton.
final SharedPreferences sPrefs = PreferenceManager.getDefaultSharedPreferences(context);
// Initialize the InputOverlayDrawableButton.
final Bitmap bitmapOuter = BitmapFactory.decodeResource(res, resOuter);
final Bitmap bitmapInner = BitmapFactory.decodeResource(res, resInner);
// Now set the bounds for the InputOverlayDrawableButton.
// This will dictate where on the screen (and the what the size) the InputOverlayDrawableButton will be.
int outerSize = bitmapOuter.getWidth() + 256;
int X = 0;
int Y = 0;
Rect outerRect = new Rect(X, Y, X + outerSize, Y + outerSize);
Rect innerRect = new Rect(0, 0, outerSize / 4, outerSize / 4);
final InputOverlayDrawableJoystick overlayDrawable
= new InputOverlayDrawableJoystick(res,
bitmapOuter, bitmapInner,
outerRect, innerRect,
axisUp, axisDown, axisLeft, axisRight);
return overlayDrawable;
}

View File

@ -14,7 +14,7 @@ import android.graphics.drawable.BitmapDrawable;
* Custom {@link BitmapDrawable} that is capable
* of storing it's own ID.
*/
public class InputOverlayDrawable extends BitmapDrawable
public class InputOverlayDrawableButton extends BitmapDrawable
{
// The ID identifying what type of button this Drawable represents.
private int buttonType;
@ -26,7 +26,7 @@ public class InputOverlayDrawable extends BitmapDrawable
* @param bitmap {@link Bitmap} to use with this Drawable.
* @param buttonType Identifier for this type of button.
*/
public InputOverlayDrawable(Resources res, Bitmap bitmap, int buttonType)
public InputOverlayDrawableButton(Resources res, Bitmap bitmap, int buttonType)
{
super(res, bitmap);
@ -34,9 +34,9 @@ public class InputOverlayDrawable extends BitmapDrawable
}
/**
* Gets this InputOverlayDrawable's button ID.
* Gets this InputOverlayDrawableButton's button ID.
*
* @return this InputOverlayDrawable's button ID.
* @return this InputOverlayDrawableButton's button ID.
*/
public int getId()
{

View File

@ -0,0 +1,140 @@
/**
* Copyright 2013 Dolphin Emulator Project
* Licensed under GPLv2
* Refer to the license.txt file included.
*/
package org.dolphinemu.dolphinemu.emulation.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 android.graphics.drawable.BitmapDrawable} that is capable
* of storing it's own ID.
*/
public class InputOverlayDrawableJoystick extends BitmapDrawable
{
// The ID identifying what type of button this Drawable represents.
private int axisIDs[] = {0, 0, 0, 0};
private float axises[] = {0f, 0f};
private int trackid = -1;
private BitmapDrawable ringInner;
/**
* Constructor
*
* @param res {@link android.content.res.Resources} instance.
* @param bitmapOuter {@link android.graphics.Bitmap} to use with this Drawable.
* @param axisUp Identifier for this type of axis.
* @param axisDown Identifier for this type of axis.
* @param axisLeft Identifier for this type of axis.
* @param axisRight Identifier for this type of axis.
*/
public InputOverlayDrawableJoystick(Resources res,
Bitmap bitmapOuter, Bitmap bitmapInner,
Rect rectOuter, Rect rectInner,
int axisUp, int axisDown, int axisLeft, int axisRight)
{
super(res, bitmapOuter);
this.setBounds(rectOuter);
this.ringInner = new BitmapDrawable(res, bitmapInner);
this.ringInner.setBounds(rectInner);
SetInnerBounds();
this.axisIDs[0] = axisUp;
this.axisIDs[1] = axisDown;
this.axisIDs[2] = axisLeft;
this.axisIDs[3] = axisRight;
}
public void Draw(Canvas canvas)
{
this.draw(canvas);
ringInner.draw(canvas);
}
public void TrackEvent(MotionEvent event)
{
int pointerIndex = event.getActionIndex();
if (trackid == -1)
{
if (event.getAction() == MotionEvent.ACTION_DOWN)
if(getBounds().contains((int)event.getX(), (int)event.getY()))
trackid = event.getPointerId(pointerIndex);
}
else
{
if (event.getAction() == MotionEvent.ACTION_UP)
{
if (trackid == event.getPointerId(pointerIndex))
{
axises[0] = axises[1] = 0.0f;
SetInnerBounds();
trackid = -1;
}
}
}
if (trackid == -1)
return;
float touchX = event.getX();
float touchY = event.getY();
float maxY = this.getBounds().bottom;
float maxX = this.getBounds().right;
touchX -= this.getBounds().centerX();
maxX -= this.getBounds().centerX();
touchY -= this.getBounds().centerY();
maxY -= this.getBounds().centerY();
final float AxisX = touchX / maxX;
final float AxisY = touchY/maxY;
this.axises[0] = AxisY;
this.axises[1] = AxisX;
SetInnerBounds();
}
public float[] getAxisValues()
{
float[] joyaxises = new float[4];
if (axises[0] >= 0.0f)
{
joyaxises[0] = 0.0f;
joyaxises[1] = Math.min(axises[0], 1.0f);
}
else
{
joyaxises[0] = Math.min(Math.abs(axises[0]), 1.0f);
joyaxises[1] = 0.0f;
}
if (axises[1] >= 0.0)
{
joyaxises[2] = 0.0f;
joyaxises[3] = Math.min(axises[1], 1.0f);
}
else
{
joyaxises[2] = Math.min(Math.abs(axises[1]), 1.0f);
joyaxises[3] = 0.0f;
}
return joyaxises;
}
public int[] getAxisIDs()
{
return axisIDs;
}
private void SetInnerBounds()
{
float floatX = this.getBounds().centerX();
float floatY = this.getBounds().centerY();
floatY += axises[0] * (this.getBounds().height() / 2);
floatX += axises[1] * (this.getBounds().width() / 2);
int X = (int)(floatX);
int Y = (int)(floatY);
int width = this.ringInner.getBounds().width() / 2;
int height = this.ringInner.getBounds().height() / 2;
this.ringInner.setBounds(X - width, Y - height,
X + width, Y + height);
}
}

View File

@ -25,6 +25,7 @@ extern void DrawButton(GLuint tex, float *coords);
namespace ButtonManager
{
std::unordered_map<int, Button*> m_buttons;
std::unordered_map<int, Axis*> m_axises;
std::unordered_map<std::string, InputDevice*> m_controllers;
const char *configStrings[] = { "InputA",
"InputB",
@ -74,6 +75,16 @@ namespace ButtonManager
m_buttons[BUTTON_LEFT] = new Button();
m_buttons[BUTTON_RIGHT] = new Button();
m_axises[STICK_MAIN_UP] = new Axis();
m_axises[STICK_MAIN_DOWN] = new Axis();
m_axises[STICK_MAIN_LEFT] = new Axis();
m_axises[STICK_MAIN_RIGHT] = new Axis();
m_axises[STICK_C_UP] = new Axis();
m_axises[STICK_C_DOWN] = new Axis();
m_axises[STICK_C_LEFT] = new Axis();
m_axises[STICK_C_RIGHT] = new Axis();
m_axises[TRIGGER_L] = new Axis();
m_axises[TRIGGER_R] = new Axis();
// Init our controller bindings
IniFile ini;
@ -118,16 +129,22 @@ namespace ButtonManager
}
float GetAxisValue(ButtonType axis)
{
float value = 0.0f;
value = m_axises[axis]->AxisValue();
auto it = m_controllers.begin();
if (it == m_controllers.end())
return 0.0f;
return value;
return it->second->AxisValue(axis);
}
void TouchEvent(int button, int action)
{
m_buttons[button]->SetState(action ? BUTTON_PRESSED : BUTTON_RELEASED);
}
void TouchAxisEvent(int axis, float value)
{
m_axises[axis]->SetValue(value);
}
void GamepadEvent(std::string dev, int button, int action)
{
auto it = m_controllers.find(dev);
@ -160,11 +177,6 @@ namespace ButtonManager
m_buttons.clear();
}
void DrawButtons()
{
// XXX: Make platform specific drawing
}
// InputDevice
void InputDevice::PressEvent(int button, int action)
{

View File

@ -69,6 +69,17 @@ namespace ButtonManager
~Button() {}
};
class Axis
{
private:
float m_value;
public:
Axis() : m_value(0.0f) {}
void SetValue(float value) { m_value = value; }
float AxisValue() { return m_value; }
~Axis() {}
};
struct sBind
{
@ -107,10 +118,10 @@ namespace ButtonManager
};
void Init();
void DrawButtons();
bool GetButtonPressed(ButtonType button);
float GetAxisValue(ButtonType axis);
void TouchEvent(int button, int action);
void TouchAxisEvent(int axis, float value);
void GamepadEvent(std::string dev, int button, int action);
void GamepadAxisEvent(std::string dev, int axis, float value);
void Shutdown();

View File

@ -241,6 +241,10 @@ JNIEXPORT void JNICALL Java_org_dolphinemu_dolphinemu_NativeLibrary_onTouchEvent
{
ButtonManager::TouchEvent(Button, Action);
}
JNIEXPORT void JNICALL Java_org_dolphinemu_dolphinemu_NativeLibrary_onTouchAxisEvent(JNIEnv *env, jobject obj, jint Button, jfloat Action)
{
ButtonManager::TouchAxisEvent(Button, Action);
}
JNIEXPORT void JNICALL Java_org_dolphinemu_dolphinemu_NativeLibrary_onGamePadEvent(JNIEnv *env, jobject obj, jstring jDevice, jint Button, jint Action)
{
const char *Device = env->GetStringUTFChars(jDevice, NULL);
@ -375,15 +379,6 @@ JNIEXPORT void JNICALL Java_org_dolphinemu_dolphinemu_NativeLibrary_Run(JNIEnv *
VideoBackend::ActivateBackend(SConfig::GetInstance().m_LocalCoreStartupParameter.m_strVideoBackend);
WiimoteReal::LoadSettings();
// Load our Android specific settings
IniFile ini;
bool onscreencontrols = true;
ini.Load(File::GetUserPath(D_CONFIG_IDX) + std::string("Dolphin.ini"));
ini.Get("Android", "ScreenControls", &onscreencontrols, true);
if (onscreencontrols)
OSD::AddCallback(OSD::OSD_ONFRAME, ButtonManager::DrawButtons);
// No use running the loop when booting fails
if ( BootManager::BootCore( g_filename.c_str() ) )
while (PowerPC::GetState() != PowerPC::CPU_POWERDOWN)