axmol/cocos/platform/wp8/CCGLViewImpl.cpp

/****************************************************************************
Copyright (c) 2013 cocos2d-x.org
Copyright (c) Microsoft Open Technologies, Inc.

http://www.cocos2d-x.org

Permission is hereby granted, free of charge, to any person obtaining a copy
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****************************************************************************/

#include "CCGLViewImpl.h"
#include "deprecated/CCSet.h"
#include "base/ccMacros.h"
#include "base/CCDirector.h"
#include "base/CCTouch.h"
#include "base/CCIMEDispatcher.h"
#include "CCApplication.h"
#include "CCWinRTUtils.h"
#include "deprecated/CCNotificationCenter.h"

using namespace Platform;
using namespace Windows::Foundation;
using namespace Windows::Foundation::Collections;
using namespace Windows::Graphics::Display;
using namespace Windows::UI::Input;
using namespace Windows::UI::Core;
using namespace Windows::UI::Xaml;
using namespace Windows::UI::Xaml::Media;
using namespace Windows::System;
using namespace Windows::UI::ViewManagement;
using namespace Windows::ApplicationModel;
using namespace Windows::ApplicationModel::Core;
using namespace Windows::ApplicationModel::Activation;
using namespace Windows::Phone::UI::Core;
using namespace Platform;
using namespace Microsoft::WRL;
using namespace PhoneDirect3DXamlAppComponent;


NS_CC_BEGIN

static GLViewImpl* s_pEglView = NULL;

GLViewImpl* GLViewImpl::create(const std::string& viewName)
{
    auto ret = new GLViewImpl;
    if(ret && ret->initWithFullScreen(viewName))
    {
        ret->autorelease();
        return ret;
    }

    return nullptr;
}


GLViewImpl::GLViewImpl()
	: _frameZoomFactor(1.0f)
	, _supportTouch(true)
    , _isRetina(false)
	, m_lastPointValid(false)
	, m_running(false)
	, m_initialized(false)
	, m_windowClosed(false)
	, m_windowVisible(true)
    , m_width(0)
    , m_height(0)
    , m_eglDisplay(nullptr)
    , m_eglContext(nullptr)
    , m_eglSurface(nullptr)
    , m_delegate(nullptr)
    , m_messageBoxDelegate(nullptr)
    , m_orientation(DisplayOrientations::Landscape)
{
	s_pEglView = this;
    _viewName =  "cocos2dx";
}

GLViewImpl::~GLViewImpl()
{
	CC_ASSERT(this == s_pEglView);
    s_pEglView = NULL;

	// TODO: cleanup 
}

bool GLViewImpl::initWithRect(const std::string& viewName, Rect rect, float frameZoomFactor)
{
    setViewName(viewName);
    setFrameSize(rect.size.width, rect.size.height);
    setFrameZoomFactor(frameZoomFactor);
    return true;
}

bool GLViewImpl::initWithFullScreen(const std::string& viewName)
{
    return initWithRect(viewName, Rect(0, 0, m_width, m_height), 1.0f);
}


bool GLViewImpl::Create(EGLDisplay eglDisplay, EGLContext eglContext, EGLSurface eglSurface, float width, float height, DisplayOrientations orientation)
{
    m_orientation = orientation;
    m_eglDisplay = eglDisplay;
    m_eglContext = eglContext;
    m_eglSurface = eglSurface;
    UpdateForWindowSizeChange(width, height);
    return true;
}

void GLViewImpl::UpdateDevice(EGLDisplay eglDisplay, EGLContext eglContext, EGLSurface eglSurface)
{
    m_eglDisplay = eglDisplay;
    m_eglContext = eglContext;
    m_eglSurface = eglSurface;

    //UpdateForWindowSizeChange(width, height);
}

void GLViewImpl::setIMEKeyboardState(bool bOpen)
{
    if(m_delegate)
    {
        if(bOpen)
        {
            m_delegate->Invoke(Cocos2dEvent::ShowKeyboard);
        }
        else
        {
            m_delegate->Invoke(Cocos2dEvent::HideKeyboard);
        }
    }
}

void GLViewImpl::swapBuffers()
{
    eglSwapBuffers(m_eglDisplay, m_eglSurface);  
}


bool GLViewImpl::isOpenGLReady()
{
	// TODO: need to revisit this
    return (m_eglDisplay && m_orientation != DisplayOrientations::None);
}

void GLViewImpl::end()
{
	m_windowClosed = true;
}


void GLViewImpl::OnSuspending(Platform::Object^ sender, SuspendingEventArgs^ args)
{
}

void GLViewImpl::OnResuming(Platform::Object^ sender, Platform::Object^ args)
{
}

// user pressed the Back Key on the phone
void GLViewImpl::OnBackKeyPress()
{
    if(m_delegate)
    {
        m_delegate->Invoke(Cocos2dEvent::TerminateApp);
    }
}

void GLViewImpl::OnPointerPressed(CoreWindow^ sender, PointerEventArgs^ args)
{
    OnPointerPressed(args);
}

void GLViewImpl::OnPointerPressed(PointerEventArgs^ args)
{
    int id = args->CurrentPoint->PointerId;
    Vec2 pt = GetPoint(args);
    handleTouchesBegin(1, &id, &pt.x, &pt.y);
}


void GLViewImpl::OnPointerWheelChanged(CoreWindow^ sender, PointerEventArgs^ args)
{
    float direction = (float)args->CurrentPoint->Properties->MouseWheelDelta;
    int id = 0;
    Vec2 p(0.0f,0.0f);
    handleTouchesBegin(1, &id, &p.x, &p.y);
    p.y += direction;
    handleTouchesMove(1, &id, &p.x, &p.y);
    handleTouchesEnd(1, &id, &p.x, &p.y);
}

void GLViewImpl::OnVisibilityChanged(CoreWindow^ sender, VisibilityChangedEventArgs^ args)
{
	m_windowVisible = args->Visible;
}

void GLViewImpl::OnWindowClosed(CoreWindow^ sender, CoreWindowEventArgs^ args)
{
	m_windowClosed = true;
}

void GLViewImpl::OnPointerMoved(CoreWindow^ sender, PointerEventArgs^ args)
{
    OnPointerMoved(args);   
}

void GLViewImpl::OnPointerMoved( PointerEventArgs^ args)
{
	auto currentPoint = args->CurrentPoint;
	if (currentPoint->IsInContact)
	{
		if (m_lastPointValid)
		{
			int id = args->CurrentPoint->PointerId;
			Vec2 p = GetPoint(args);
			handleTouchesMove(1, &id, &p.x, &p.y);
		}
		m_lastPoint = currentPoint->Position;
		m_lastPointValid = true;
	}
	else
	{
		m_lastPointValid = false;
	}
}

void GLViewImpl::OnPointerReleased(CoreWindow^ sender, PointerEventArgs^ args)
{
    OnPointerReleased(args);
}

void GLViewImpl::OnPointerReleased(PointerEventArgs^ args)
{
    int id = args->CurrentPoint->PointerId;
    Vec2 pt = GetPoint(args);
    handleTouchesEnd(1, &id, &pt.x, &pt.y);
}



void GLViewImpl::resize(int width, int height)
{

}

void GLViewImpl::setFrameZoomFactor(float fZoomFactor)
{
    _frameZoomFactor = fZoomFactor;
    Director::getInstance()->setProjection(Director::getInstance()->getProjection());
    //resize(m_obScreenSize.width * fZoomFactor, m_obScreenSize.height * fZoomFactor);
}

float GLViewImpl::getFrameZoomFactor()
{
    return _frameZoomFactor;
}

void GLViewImpl::centerWindow()
{
	// not implemented in WinRT. Window is always full screen
}

GLViewImpl* GLViewImpl::sharedOpenGLView()
{
    return s_pEglView;
}

int GLViewImpl::Run() 
{
    // XAML version does not have a run loop
	m_running = true; 
    return 0;
};

void GLViewImpl::Render()
{
    OnRendering();
}

void GLViewImpl::OnRendering()
{
	if(m_running && m_initialized)
	{
        Director::getInstance()->mainLoop();
	}
}



bool GLViewImpl::ShowMessageBox(Platform::String^ title, Platform::String^ message)
{
    if(m_messageBoxDelegate)
    {
        m_messageBoxDelegate->Invoke(title, message);
        return true;
    }
    return false;
}

bool GLViewImpl::OpenXamlEditBox(Platform::String^ strPlaceHolder, Platform::String^ strText, int maxLength, int inputMode, int inputFlag, Windows::Foundation::EventHandler<Platform::String^>^ receiveHandler)
{
    if(m_editBoxDelegate)
    {
        m_editBoxDelegate->Invoke(strPlaceHolder, strText, maxLength, inputMode, inputFlag, receiveHandler);
        return true;
    }
    return false;
}



// called by orientation change from WP8 XAML
void GLViewImpl::UpdateOrientation(DisplayOrientations orientation)
{
    if(m_orientation != orientation)
    {
        m_orientation = orientation;
        UpdateWindowSize();
    }
}

// called by size change from WP8 XAML
void GLViewImpl::UpdateForWindowSizeChange(float width, float height)
{
    m_width = width;
    m_height = height;
    UpdateWindowSize();
}

#if 0
win32 version

void GLViewEventHandler::OnGLFWWindowSizeFunCallback(GLFWwindow *windows, int width, int height)
{	
	auto view = Director::getInstance()->getOpenGLView();
	if(view && view->getResolutionPolicy() != ResolutionPolicy::UNKNOWN)
	{
		Size resSize=view->getDesignResolutionSize();
		ResolutionPolicy resPolicy=view->getResolutionPolicy();
		view->setFrameSize(width, height);
 		view->setDesignResolutionSize(resSize.width, resSize.height, resPolicy);
		Director::getInstance()->setViewport();
	}
}
#endif

void GLViewImpl::UpdateWindowSize()
{
    float width, height;

    if(m_orientation == DisplayOrientations::Landscape || m_orientation == DisplayOrientations::LandscapeFlipped)
    {
        width = m_height;
        height = m_width;
    }
    else
    {
        width = m_width;
        height = m_height;
    }

    UpdateOrientationMatrix();

    //CCSize designSize = getDesignResolutionSize();
    if(!m_initialized)
    {
        m_initialized = true;
        GLView::setFrameSize(width, height);
    }

    auto view = Director::getInstance()->getOpenGLView();
	if(view && view->getResolutionPolicy() != ResolutionPolicy::UNKNOWN)
	{
		Size resSize=view->getDesignResolutionSize();
		ResolutionPolicy resPolicy=view->getResolutionPolicy();
		view->setFrameSize(width, height);
 		view->setDesignResolutionSize(resSize.width, resSize.height, resPolicy);
		Director::getInstance()->setViewport();
        Director::sharedDirector()->setProjection(Director::sharedDirector()->getProjection());
	}
}

const Mat4& GLViewImpl::getOrientationMatrix() const 
{
    return m_orientationMatrix;
};


void GLViewImpl::UpdateOrientationMatrix()
{
    kmMat4Identity(&m_orientationMatrix);
    kmMat4Identity(&m_reverseOrientationMatrix);
    switch(m_orientation)
	{
		case Windows::Graphics::Display::DisplayOrientations::PortraitFlipped:
			kmMat4RotationZ(&m_orientationMatrix, M_PI);
			kmMat4RotationZ(&m_reverseOrientationMatrix, -M_PI);
			break;

		case Windows::Graphics::Display::DisplayOrientations::Landscape:
            kmMat4RotationZ(&m_orientationMatrix, -M_PI_2);
			kmMat4RotationZ(&m_reverseOrientationMatrix, M_PI_2);
			break;
			
		case Windows::Graphics::Display::DisplayOrientations::LandscapeFlipped:
            kmMat4RotationZ(&m_orientationMatrix, M_PI_2);
            kmMat4RotationZ(&m_reverseOrientationMatrix, -M_PI_2);
			break;

        default:
            break;
	}
}

cocos2d::Vec2 GLViewImpl::TransformToOrientation(Windows::Foundation::Point p)
{
    cocos2d::Vec2 returnValue;

    float x = p.X;
    float y = p.Y;  

    switch (m_orientation)
    {
        case DisplayOrientations::Portrait:
        default:
            returnValue = Vec2(x, y);
            break;
        case DisplayOrientations::Landscape:
            returnValue = Vec2(y, m_width - x);
            break;
        case DisplayOrientations::PortraitFlipped:
            returnValue = Vec2(m_width - x, m_height - y);
            break;
        case DisplayOrientations::LandscapeFlipped:
            returnValue = Vec2(m_height - y, x);
            break;
    }

	float zoomFactor = GLViewImpl::sharedOpenGLView()->getFrameZoomFactor();
	if(zoomFactor > 0.0f) {
		returnValue.x /= zoomFactor;
		returnValue.y /= zoomFactor;
	}

    // CCLOG("%.2f %.2f : %.2f %.2f", p.X, p.Y,returnValue.x, returnValue.y);

    return returnValue;
}

Vec2 GLViewImpl::GetPoint(PointerEventArgs^ args) {

	return TransformToOrientation(args->CurrentPoint->Position);

}


void GLViewImpl::setViewPortInPoints(float x , float y , float w , float h)
{
    switch(m_orientation)
	{
		case DisplayOrientations::Landscape:
		case DisplayOrientations::LandscapeFlipped:
            glViewport((GLint)(y * _scaleY + _viewPortRect.origin.y),
                       (GLint)(x * _scaleX + _viewPortRect.origin.x),
                       (GLsizei)(h * _scaleY),
                       (GLsizei)(w * _scaleX));
			break;

        default:
            glViewport((GLint)(x * _scaleX + _viewPortRect.origin.x),
                       (GLint)(y * _scaleY + _viewPortRect.origin.y),
                       (GLsizei)(w * _scaleX),
                       (GLsizei)(h * _scaleY));
	}
}

void GLViewImpl::setScissorInPoints(float x , float y , float w , float h)
{
    switch(m_orientation)
	{
		case DisplayOrientations::Landscape:
		case DisplayOrientations::LandscapeFlipped:
            glScissor((GLint)(y * _scaleX + _viewPortRect.origin.y),
                       (GLint)((_viewPortRect.size.width - ((x + w) * _scaleX)) + _viewPortRect.origin.x),
                       (GLsizei)(h * _scaleY),
                       (GLsizei)(w * _scaleX));
			break;

        default:
            glScissor((GLint)(x * _scaleX + _viewPortRect.origin.x),
                       (GLint)(y * _scaleY + _viewPortRect.origin.y),
                       (GLsizei)(w * _scaleX),
                       (GLsizei)(h * _scaleY));
	}
}

void GLViewImpl::QueueBackKeyPress()
{
    std::lock_guard<std::mutex> guard(mMutex);
    std::shared_ptr<BackButtonEvent> e(new BackButtonEvent());
    mInputEvents.push(e);
}

void GLViewImpl::QueuePointerEvent(PointerEventType type, PointerEventArgs^ args)
{
    std::lock_guard<std::mutex> guard(mMutex);
    std::shared_ptr<PointerEvent> e(new PointerEvent(type, args));
    mInputEvents.push(e);
}

void GLViewImpl::QueueEvent(std::shared_ptr<InputEvent>& event)
{
    std::lock_guard<std::mutex> guard(mMutex);
    mInputEvents.push(event);
}

void GLViewImpl::ProcessEvents()
{
    std::lock_guard<std::mutex> guard(mMutex);

    while (!mInputEvents.empty())
    {
        InputEvent* e = mInputEvents.front().get();
        e->execute();
        mInputEvents.pop();
    }
}

NS_CC_END