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// Geometric Tools, LLC
// Copyright (c) 1998-2014
// Distributed under the Boost Software License, Version 1.0.
// http://www.boost.org/LICENSE_1_0.txt
// http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
//
// File Version: 5.0.0 (2010/01/01)
#include "Wm5GraphicsPCH.h"
#include "Wm5ConvexRegionManager.h"
using namespace Wm5;
WM5_IMPLEMENT_RTTI(Wm5, BspNode, ConvexRegionManager);
WM5_IMPLEMENT_STREAM(ConvexRegionManager);
WM5_IMPLEMENT_FACTORY(ConvexRegionManager);
WM5_IMPLEMENT_DEFAULT_NAMES(BspNode, ConvexRegionManager);
WM5_IMPLEMENT_DEFAULT_STREAM(BspNode, ConvexRegionManager);
//----------------------------------------------------------------------------
ConvexRegionManager::ConvexRegionManager ()
{
}
//----------------------------------------------------------------------------
ConvexRegionManager::ConvexRegionManager (const HPlane& modelPlane)
:
BspNode(modelPlane)
{
}
//----------------------------------------------------------------------------
ConvexRegionManager::~ConvexRegionManager ()
{
}
//----------------------------------------------------------------------------
SpatialPtr ConvexRegionManager::AttachOutside (Spatial* outside)
{
return SetChild(1, outside);
}
//----------------------------------------------------------------------------
SpatialPtr ConvexRegionManager::DetachOutside ()
{
return DetachChildAt(1);
}
//----------------------------------------------------------------------------
SpatialPtr ConvexRegionManager::GetOutside ()
{
return GetChild(1);
}
//----------------------------------------------------------------------------
ConvexRegion* ConvexRegionManager::GetContainingRegion (const APoint& point)
{
return DynamicCast<ConvexRegion>(GetContainingNode(point));
}
//----------------------------------------------------------------------------
void ConvexRegionManager::GetVisibleSet (Culler& culler, bool noCull)
{
ConvexRegion* region = GetContainingRegion(
culler.GetCamera()->GetPosition());
if (region)
{
// Accumulate visible objects starting in the region containing the
// camera. Use the CRMCuller to maintain a list of unique objects.
//pkRegion->GetVisibleSet(m_kCuller,bNoCull);
mCuller.SetCamera(culler.GetCamera());
mCuller.SetFrustum(culler.GetFrustum());
mCuller.ComputeVisibleSet(region);
// Copy the unique list to the scene culler.
VisibleSet& visibleSet = mCuller.GetVisibleSet();
const int numVisible = visibleSet.GetNumVisible();
for (int i = 0; i < numVisible; ++i)
{
culler.Insert(visibleSet.GetVisible(i));
}
}
else
{
// The camera is outside the set of regions. Accumulate visible
// objects for the outside scene (if it exists).
if (GetOutside())
{
GetOutside()->GetVisibleSet(culler, noCull);
}
}
}
//----------------------------------------------------------------------------
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