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genesis-3d_engine/Engine/addons/vis/vissystems/visquadtree.cc

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genesis-3d engine version 1.3. match the genesis editor version 1.3.0.653.
2014-05-05 14:50:33 +08:00
/****************************************************************************
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/vissystems/visquadtree.h"
#include "threading/thread.h"
#include "jobs/jobdatadesc.h"
#include "jobs/jobuniformdesc.h"
namespace Vis
{
__ImplementClass(Vis::VisQuadtree, 'VIQT', Vis::VisSystemBase);
using namespace Jobs;
using namespace Util;
using namespace Math;
using namespace Threading;
// job function declaration
#if __PS3__
extern "C" {
extern const char _binary_jqjob_render_visquadtreejobfunc_ps3_bin_start[];
extern const char _binary_jqjob_render_visquadtreejobfunc_ps3_bin_size[];
}
#else
extern void VisCellJobFunc(const JobFuncContext& ctx);
#endif
//------------------------------------------------------------------------------
/**
*/
VisQuadtree::VisQuadtree()
: mNumCellsBuilt(0)
, mQuadTreeDepth(0)
, mNumEntity(0)
{
}
//------------------------------------------------------------------------------
/**
*/
VisQuadtree::~VisQuadtree()
{
}
//------------------------------------------------------------------------------
/**
*/
void
VisQuadtree::Open(IndexT orderIndex)
{
// this visibility system have to come first, before any other
n_assert2(orderIndex == 0, "VisibilityQuadtree have to come first, before any other!");
this->mQuadTree.Setup(this->mQuadTreeBox, this->mQuadTreeDepth);
this->mNumCellsBuilt = 0;
this->mRootCell = this->CreateQuadTreeCell(0, 0, 0, 0);
VisSystemBase::Open(orderIndex);
}
//------------------------------------------------------------------------------
/**
*/
void
VisQuadtree::Close()
{
this->mRootCell->OnRemove();
this->mRootCell = 0;
mNumEntity = 0;
mNumCellsBuilt = 0;
mQuadTreeDepth = 0;
VisSystemBase::Close();
}
//------------------------------------------------------------------------------
/**
*/
void
VisQuadtree::InsertVisEntity(const GPtr<VisEntity>& entityVis)
{
VisCell* cell = entityVis->GetCell( OrderIndex() );
if ( cell )
{
n_warning("VisibilityQuadtree::InsertvisEntity: repeat add entity\n");
return;
}
cell = this->mRootCell->InsertEntity(entityVis);
n_assert( cell );
entityVis->SetCell( cell, OrderIndex() );
++mNumEntity;
}
//------------------------------------------------------------------------------
/**
*/
void
VisQuadtree::RemoveVisEntity(const GPtr<VisEntity>& entityVis)
{
VisCell* cell = entityVis->GetCell( OrderIndex() );
if ( !cell )
{
n_warning("VisibilityQuadtree::RemovevisEntity: not find\n");
return;
}
cell->RemoveEntity(entityVis);
entityVis->SetCell( NULL, OrderIndex() );
--mNumEntity;
}
//------------------------------------------------------------------------
SizeT
VisQuadtree::GetNumEntity()
{
return mNumEntity;
}
//------------------------------------------------------------------------------
/**
*/
void
VisQuadtree::UpdateVisEntity(const GPtr<VisEntity>& entityVis)
{
VisCell* oldCell = entityVis->GetCell( OrderIndex() );
if ( !oldCell )
{
n_warning("VisibilityQuadtree::UpdatevisEntity: not find\n");
return;
}
VisCell* newCell = oldCell->FindEntityContainmentCell(entityVis);
if (oldCell != newCell)
{
oldCell->RemoveEntity(entityVis);
newCell->AttachEntity(entityVis);
entityVis->SetCell(newCell,OrderIndex() );
}
}
//------------------------------------------------------------------------------
/**
*/
GPtr<VisCell>
VisQuadtree::CreateQuadTreeCell(VisCell* parentCell, uchar curLevel, ushort curCol, ushort curRow)
{
// create a new cell
GPtr<VisCell> cell = VisCell::Create();
int nodeIndex = this->mQuadTree.GetNodeIndex(curLevel, curCol, curRow);
const QuadTree<CellInfo>::Node& node = this->mQuadTree.GetNodeByIndex(nodeIndex);
cell->SetBoundingBox(node.GetBoundingBox());
this->mNumCellsBuilt++;
// create child cells
uchar childLevel = curLevel + 1;
if (childLevel < this->mQuadTree.GetDepth())
{
ushort i;
for (i = 0; i < 4; i++)
{
ushort childCol = 2 * curCol + (i & 1);
ushort childRow = 2 * curRow + ((i & 2) >> 1);
GPtr<VisCell> childCell = this->CreateQuadTreeCell(cell, childLevel, childCol, childRow);
cell->AttachChildCell(childCell);
}
}
return cell;
}
//------------------------------------------------------------------------------
/**
*/
void
VisQuadtree::OnRenderDebug()
{
// render boxes for cells
float alpha = 0.2f / this->mQuadTreeDepth;
float4 color(1, 1, 1, alpha);
this->RenderCell(this->mRootCell, color);
}
//------------------------------------------------------------------------------
/**
*/
void
VisQuadtree::RenderCell(const GPtr<VisCell>& cell, const Math::float4& color)
{
}
//------------------------------------------------------------------------------
/**
<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>ϵͳ<EFBFBD>IJ<EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>job<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƭ<EFBFBD><EFBFBD>ֻ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD>VisibilityQuadtree<EFBFBD>IJ<EFBFBD>ѯ<EFBFBD><EFBFBD>֤<EFBFBD><EFBFBD>ֻ<EFBFBD><EFBFBD><EFBFBD>ġ<EFBFBD>
<EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD>в<EFBFBD>ѯ<EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD>첽<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*/
GPtr<Jobs::Job>
VisQuadtree::CreateVisJob(const GPtr<ObserverContext>& observer, Util::Array<GPtr<VisEntity> >& outEntitiyArray )
{
n_assert( observer.isvalid() );
// create new job
GPtr<Jobs::Job> visibilityJob = Jobs::Job::Create();
#ifdef __WIN32__
// input data for job
// function
JobFuncDesc jobFunction(VisCellJobFunc);
// uniform data
// JobUniformDesc<73><63><EFBFBD><EFBFBD> mRootCell<6C><6C>ָ<EFBFBD><D6B8>
JobUniformDesc uniformData( mRootCell.get_unsafe(), sizeof(void*), 0 );
// inputData<74><61><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>observer<65><72>ָ<EFBFBD>롣
// todo: һ<><D2BB>observerһ<72><D2BB>job<6F><62><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ij<EFBFBD>һ<EFBFBD><D2BB>observerһ<72><D2BB>job Slice<63><65><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܡ<EFBFBD><DCA1><EFBFBD>Ҫʵ<D2AA><CAB5>
JobDataDesc inputData(observer.get_unsafe(), sizeof(void*), sizeof(void*) );
// outputData <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѯ<EFBFBD><D1AF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
JobDataDesc outputData( &outEntitiyArray, sizeof(void*), sizeof(void*) );
// setup job with data
visibilityJob->Setup(uniformData, inputData, outputData, jobFunction);
#else
mRootCell->QueryVisibleEntities(observer, outEntitiyArray);
#endif
return visibilityJob;
}
} // namespace Vis
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