166 lines
4.7 KiB
C++
166 lines
4.7 KiB
C++
/****************************************************************************
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Copyright (c) 2010,Radon Labs GmbH
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Copyright (c) 2011-2013,WebJet Business Division,CYOU
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http://www.genesis-3d.com.cn
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#ifndef __observercontext_H__
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#define __observercontext_H__
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#include "core/refcounted.h"
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#include "math/bbox.h"
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//------------------------------------------------------------------------------
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namespace Vis
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{
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class ObserverContext : public Core::RefCounted
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{
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__DeclareClass(ObserverContext);
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public:
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enum ObserverCullingType
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{
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ViewProjectionMatrix = 0, //
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BoundingBox, //
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SeeAll, //
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InvalidObserverType
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};
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/// constructor
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ObserverContext();
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/// destructor
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virtual ~ObserverContext();
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/// get observer culling type
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ObserverCullingType GetType() const;
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ObserverCullingType* GetTypeRef();
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/// ObserverCullingType = ProjectionMatrix
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void Setup( const Math::matrix44& viewProj, const Math::point& observerPos);
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/// ObserverCullingType = BoundingBox
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void Setup( const Math::bbox& box, const Math::point& observerPos );
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/// ObserverCullingType = SeeAll
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void SetupSeeAll( const Math::point& observerPos );
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/// get projection matrix
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const Math::matrix44& GetViewProjectionMatrix(void) const;
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Math::matrix44& GetViewProjectionMatrixRef(void);
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/// get bbox
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const Math::bbox& GetBoundingBox(void) const;
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Math::bbox& GetBoundingBoxRef(void);
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// get Observer Position
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const Math::point& GetPosition(void) const;
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void SetUserData( Core::RefCounted* userData );
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const Core::RefCounted* GetUserData(void) const;
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Math::ClipStatus::Type ComputeClipStatus(const Math::bbox& boundingBox);
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protected:
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Core::RefCounted* mUserData;
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ObserverCullingType mType;
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Math::bbox mBoundingBox;
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Math::matrix44 mViewProjection;
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Math::point mObserverPos;
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};
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//------------------------------------------------------------------------
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inline
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ObserverContext::ObserverCullingType
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ObserverContext::GetType() const
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{
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return mType;
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}
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//------------------------------------------------------------------------
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inline
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ObserverContext::ObserverCullingType*
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ObserverContext::GetTypeRef()
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{
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return &mType;
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}
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//------------------------------------------------------------------------
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/// get projection matrix
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inline
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const Math::matrix44&
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ObserverContext::GetViewProjectionMatrix() const
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{
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return mViewProjection;
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}
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//------------------------------------------------------------------------
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inline
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Math::matrix44&
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ObserverContext::GetViewProjectionMatrixRef(void)
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{
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return mViewProjection;
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}
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//------------------------------------------------------------------------
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/// get bbox
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inline
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const Math::bbox&
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ObserverContext::GetBoundingBox() const
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{
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return mBoundingBox;
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}
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//------------------------------------------------------------------------
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inline
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Math::bbox&
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ObserverContext::GetBoundingBoxRef(void)
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{
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return mBoundingBox;
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}
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//------------------------------------------------------------------------
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// get Observer Position
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inline
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const Math::point&
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ObserverContext::GetPosition() const
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{
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return mObserverPos;
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}
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//------------------------------------------------------------------------
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inline
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void
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ObserverContext::SetUserData( Core::RefCounted* userData )
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{
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mUserData = userData;
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}
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//------------------------------------------------------------------------
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inline
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const Core::RefCounted*
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ObserverContext::GetUserData(void) const
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{
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return mUserData;
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}
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} // namespace Vis
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//------------------------------------------------------------------------------
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#endif // __observercontext_H__
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