114 lines
3.9 KiB
C
114 lines
3.9 KiB
C
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/****************************************************************************
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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 __visquadtree_H__
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#define __visquadtree_H__
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#include "vis/vissystems/vissystembase.h"
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#include "vis/vissystems/viscell.h"
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#include "util/quadtree.h"
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#include "jobs/job.h"
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//------------------------------------------------------------------------------
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namespace Vis
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{
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class VisQuadtree : public VisSystemBase
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{
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__DeclareClass(VisQuadtree);
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public:
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struct CellInfo
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{
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SizeT numEntitiesInHierarchy;
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IndexT entityInfoStartIndex;
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IndexT numEntitiesInCell;
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};
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struct EntityInfo
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{
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Math::bbox entityBox;
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VisEntity* entityPtr;
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};
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/// constructor
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VisQuadtree();
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/// destructor
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virtual ~VisQuadtree();
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/// set quad tree depth and boudning box
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void SetQuadTreeSettings(uchar depth, const Math::bbox& worldBBox);
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/// open the graphics server
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virtual void Open(IndexT orderIndex);
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/// close the graphics server
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virtual void Close(void);
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/// @VisibilitySystemBase::InsertVisEntity insert entity visibility
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virtual void InsertVisEntity(const GPtr<VisEntity>& entityVis);
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/// @VisibilitySystemBase::RemoveVisEntity remove entity visibility
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virtual void RemoveVisEntity(const GPtr<VisEntity>& entityVis);
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/// @VisibilitySystemBase::UpdateVisEntity update entity visibility
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virtual void UpdateVisEntity(const GPtr<VisEntity>& entityVis);
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/// @VisibilitySystemBase::GetNumEntity get the num of entity in visibility system
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virtual SizeT GetNumEntity();
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/// @VisibilitySystemBase::CreateVisibilityJob attach visibility job to port
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virtual GPtr<Jobs::Job> CreateVisJob( const GPtr<ObserverContext>& observer, Util::Array<GPtr<VisEntity> >& outEntitiyArray );
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/// @VisibilitySystemBase::OnRenderDebug render debug visualizations
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virtual void OnRenderDebug(void);
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private:
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/// create a quad tree and its children, recursively
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GPtr<VisCell> CreateQuadTreeCell(VisCell* parentCell, uchar curLevel, ushort curCol, ushort curRow);
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/// render quadtree cell
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void RenderCell(const GPtr<VisCell>& cell, const Math::float4& color);
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int mNumCellsBuilt;
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uchar mQuadTreeDepth;
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Math::bbox mQuadTreeBox;
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GPtr<VisCell> mRootCell;
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SizeT mNumEntity;
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Util::QuadTree<CellInfo> mQuadTree; // Nebula3<61><33><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˫<EFBFBD><CBAB><EFBFBD><EFBFBD><EFBFBD>ġ<EFBFBD><C4A1><EFBFBD><EFBFBD>ڲ<EFBFBD><DAB2><EFBFBD>Ҫ˫<D2AA><CBAB><EFBFBD>壬<EFBFBD><E5A3AC>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĺ<EFBFBD><C4B9>졣<EFBFBD>Ժ<EFBFBD><D4BA><EFBFBD><EFBFBD>Ż<EFBFBD>
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};
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//------------------------------------------------------------------------------
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/**
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*/
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inline
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void
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VisQuadtree::SetQuadTreeSettings(uchar depth, const Math::bbox& worldBox)
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{
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this->mQuadTreeDepth = depth;
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this->mQuadTreeBox = worldBox;
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}
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} // namespace Vis
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//------------------------------------------------------------------------------
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#endif // __visquadtree_H__
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