101 lines
3.0 KiB
C++
101 lines
3.0 KiB
C++
/****************************************************************************
|
|
Copyright (c) 2010,Radon Labs GmbH
|
|
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
|
|
of this software and associated documentation files (the "Software"), to deal
|
|
in the Software without restriction, including without limitation the rights
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in
|
|
all copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
THE SOFTWARE.
|
|
****************************************************************************/
|
|
#include "stdneb.h"
|
|
#include "vis/observercontext.h"
|
|
|
|
namespace Vis
|
|
{
|
|
__ImplementClass(Vis::ObserverContext, 'OBCO', Core::RefCounted);
|
|
|
|
using namespace Math;
|
|
|
|
//------------------------------------------------------------------------------
|
|
/**
|
|
*/
|
|
ObserverContext::ObserverContext()
|
|
: mType(InvalidObserverType)
|
|
, mUserData(NULL)
|
|
{
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
/**
|
|
*/
|
|
ObserverContext::~ObserverContext()
|
|
{
|
|
}
|
|
//------------------------------------------------------------------------------
|
|
/**
|
|
*/
|
|
void
|
|
ObserverContext::Setup(const Math::matrix44& projView , const Math::point& observerPos )
|
|
{
|
|
mType = ViewProjectionMatrix;
|
|
mViewProjection = projView;
|
|
mObserverPos = observerPos;
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
/**
|
|
*/
|
|
void
|
|
ObserverContext::Setup(const Math::bbox& box, const Math::point& observerPos)
|
|
{
|
|
mType = BoundingBox;
|
|
mBoundingBox = box;
|
|
mObserverPos = observerPos;
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
/**
|
|
*/
|
|
void
|
|
ObserverContext::SetupSeeAll( const Math::point& observerPos )
|
|
{
|
|
mType = SeeAll;
|
|
mObserverPos = observerPos;
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
/**
|
|
*/
|
|
Math::ClipStatus::Type
|
|
ObserverContext::ComputeClipStatus(const Math::bbox& boundingBox)
|
|
{
|
|
switch (mType)
|
|
{
|
|
case ViewProjectionMatrix:
|
|
return boundingBox.clipstatus(mViewProjection);
|
|
case BoundingBox:
|
|
return mBoundingBox.clipstatus(boundingBox);
|
|
case SeeAll:
|
|
return Math::ClipStatus::Inside;
|
|
default:
|
|
n_error("Invalid Observer Type");
|
|
}
|
|
return Math::ClipStatus::Invalid;
|
|
}
|
|
} // namespace Vis
|