genesis-3d_engine/Engine/addons/input/android/androidinputsource.cc

/****************************************************************************
Copyright (c) 2011-2013,WebJet Business Division,CYOU

http://www.genesis-3d.com.cn

Permission is hereby granted, free of charge, to any person obtaining a copy
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#if ANDROID

#include "input/input_stdneb.h"
#include "input/android/androidinputsource.h"
#include "input/inputserver.h"
#include "input/android/androidtouchevent.h"
#include "graphicsystem/GraphicSystem.h"
#include "input/inputmobileconfig.h"

namespace AndroidInput
{
	using namespace Input;

	__ImplementClass(AndroidInput::AndroidInputSource, 'ANIS', Input::InputSource );

AndroidInputSource::AndroidInputSource()
{
	m_TouchPostions.Reserve(MaxPointerSupport);

	for (IndexT i = 0; i < MaxPointerSupport; ++i)
	{
		m_TouchPostions.Add(i, Math::float2(0.0f, 0.0f));
	}
}

AndroidInputSource::~AndroidInputSource()
{
	m_TouchPostions.Clear();
}

void AndroidInputSource::Open(const GPtr<Input::InputServerBase>& inputServer)
{
	Super::Open(inputServer);
}

void AndroidInputSource::Close()
{
	Super::Close();
}

void AndroidInputSource::BeginFrame(void)
{
	n_assert(mInputServer.isvalid());
	SizeT count = m_InputEventList.Size();
	for ( IndexT i = 0; i < count; ++i )
	{
		mInputServer->PutEvent( m_InputEventList[i] );
	}
	m_InputEventList.Clear();

}

int AndroidInputSource::OnAndroidProc(MoibleInputEvent* pEvent)
{
#if _DEBUG
	LOGI("AndroidInputSource::OnAndroidProc");
#endif
	
	n_assert(pEvent != NULL)

    MobileTouchEvent* pTouchEvent    = static_cast<MobileTouchEvent*>(pEvent);
	AndroidTouchEvent* pAndroidEvent = static_cast<AndroidTouchEvent*>(pTouchEvent);

	const MoibleInputEvent::Type        lEventType = pEvent->GetType();
	const AndroidTouchEvent::SourceType sourceType = pAndroidEvent->GetSourceType();

	switch (lEventType)
	{
	case MoibleInputEvent::INPUT_EVENT_TYPE_MOTION:
		switch (sourceType)
		{
		case AndroidTouchEvent::INPUT_SOURCE_TOUCHSCREEN:
			OnTouchEvent(pTouchEvent);
			break;

		case AndroidTouchEvent::INPUT_SOURCE_TRACKBALL:
			break;
		}
		break;

	case MoibleInputEvent::INPUT_EVENT_TYPE_KEY:
		break;
	default:
		break;
	}

	return 0;
}

void AndroidInputSource::OnTouchEvent(const MobileTouchEvent* pEvent)
{
#if _DEBUG
	LOGI("AndroidInputSource::OnTouchEvent");
#endif
	
	const MobileTouchEvent::MotionType actionType  = pEvent->GetMotionType();

	switch (actionType)
	{
	case MobileTouchEvent::MOTION_EVENT_ACTION_MOVE:
		OnTouchMove(pEvent);
		break;

	case MobileTouchEvent::MOTION_EVENT_ACTION_DOWN:
	case MobileTouchEvent::MOTION_EVENT_ACTION_UP:
	case MobileTouchEvent::MOTION_EVENT_ACTION_CANCEL:
		OnTouch(pEvent, actionType);
		break;
	default:
		break;
	}
}

void AndroidInputSource::OnTouch(const MobileTouchEvent* pEvent, const int type)
{
#if _DEBUG
	LOGI("AndroidInputSource::OnTouch");
#endif
	
	const SizeT nPointers = pEvent->GetPointersCount();

	InputEvent inputEvent;

	for (IndexT i = 0; i < nPointers; ++i)
	{
		const IndexT id = pEvent->GetPointerId(i);

		Math::float2 absMousePos  = ComputeAbsTouchPos(pEvent, id);
		Math::float2 normMousePos = ComputeNormTouchPos(absMousePos);

		inputEvent.SetPointerId(id);
		inputEvent.SetAbsTouchPos( absMousePos, id );
		inputEvent.SetNormTouchPos( normMousePos, id );
	}
		
	

	switch (type)
	{
	case MobileTouchEvent::MOTION_EVENT_ACTION_DOWN:
		inputEvent.SetType(InputEvent::TouchMotionDown);
		m_InputEventList.Append(inputEvent);
		break;

	case MobileTouchEvent::MOTION_EVENT_ACTION_UP:
		inputEvent.SetType(InputEvent::TouchMotionUp);
		m_InputEventList.Append(inputEvent);
		break;
	case MobileTouchEvent::MOTION_EVENT_ACTION_CANCEL:
		inputEvent.SetType(InputEvent::TouchMotionCancel);
		m_InputEventList.Append(inputEvent);
		break;
	default:
		break;
	}
}

void AndroidInputSource::OnTouchMove(const MobileTouchEvent* pEvent)
{
#if _DEBUG
	LOGI("AndroidInputSource::OnTouchMove");
#endif
	
	const SizeT nPointers = pEvent->GetPointersCount();

	InputEvent inputEvent;

	n_assert(mInputServer.isvalid() && mInputServer->GetRtti()->IsDerivedFrom( AndroidInputServer::RTTI ) );
	GPtr<AndroidInputServer> androidInputServer = mInputServer.downcast<AndroidInputServer>();
	n_assert( androidInputServer.isvalid() );

	for (IndexT i = 0; i < nPointers; ++i)
	{
		const IndexT id = pEvent->GetPointerId(i);

		Math::float2 absTouchPos  = this->ComputeAbsTouchPos(pEvent, id);
		Math::float2 normTouchPos = this->ComputeNormTouchPos(absTouchPos);

		inputEvent.SetPointerId(id);
		inputEvent.SetType(InputEvent::TouchMotionMove);
		inputEvent.SetAbsTouchPos(absTouchPos, id);
		inputEvent.SetNormTouchPos(normTouchPos, id);

		Math::float2 touchmove = absTouchPos - m_TouchPostions[id];

		// version 0.01 is related with the camera operation algorithm
		// will fix it later
		touchmove.set( touchmove.x() * (float)0.01, touchmove.y() * (float)0.01 );

		m_TouchPostions[id] = absTouchPos;

		androidInputServer->SetTouchMovement(touchmove, id);
	}
		

	m_InputEventList.Append(inputEvent);

	
}

Math::float2 AndroidInputSource::ComputeAbsTouchPos(const MobileTouchEvent* pEvent, IndexT nPointer)
{
	return pEvent->GetPointerPos(nPointer);
}

Math::float2 AndroidInputSource::ComputeNormTouchPos(const Math::float2& absTouchPos) const
{
	Math::float2 normMousePos;

	const GPtr<Graphic::ViewPortWindow>& pMainWindow = Graphic::GraphicSystem::Instance()->GetMainViewPortWindow();
	const RenderBase::DisplayMode& dm = pMainWindow->GetDisplayMode();

	int width  = dm.GetWidth();
	int height = dm.GetHeight();

	normMousePos.set(absTouchPos.x() / float(width), absTouchPos.y() / float(height));

	return normMousePos;
}

}


#endif