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packedsphere/GT_GEOPackedSphere.C
/*
* Copyright (c) 2018
* Side Effects Software Inc. All rights reserved.
*
* Redistribution and use of Houdini Development Kit samples in source and
* binary forms, with or without modification, are permitted provided that the
* following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. The name of Side Effects Software may not be used to endorse or
* promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY SIDE EFFECTS SOFTWARE `AS IS' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL SIDE EFFECTS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*----------------------------------------------------------------------------
*/
#include "GT_GEOPackedSphere.h"
using namespace HDK_Sample;
namespace
{
class PackedCollect : public GT_GEOPrimCollectData
{
public:
PackedCollect(
const GT_GEODetailListHandle &geometry,
const GT_RefineParms *parms)
, myBoxes(geometry, true)
, myUseLOD(GT_RefineParms::getPackedViewportLOD(parms))
{
}
GEO_ViewportLOD lod(const GU_PrimPacked *pack) const
{
if (myUseLOD)
{
return pack->viewportLOD();
}
}
bool myUseLOD;
};
}
void
GT_GEOPackedSphere::registerPrimitive(const GA_PrimitiveTypeId &id)
{
new GT_GEOPackedSphere(id);
}
GT_GEOPackedSphere::GT_GEOPackedSphere(const GA_PrimitiveTypeId &id)
{
bind(id);
}
GT_GEOPackedSphere::~GT_GEOPackedSphere()
{
}
GT_GEOPackedSphere::beginCollecting(const GT_GEODetailListHandle &g,
const GT_RefineParms *parms) const
{
return new PackedCollect(g, parms);
}
GT_GEOPackedSphere::collect(const GT_GEODetailListHandle &g,
const GEO_Primitive *const* prim, int nseg,
{
PackedCollect *c = data->asPointer<PackedCollect>();
const GU_PrimPacked *packed = UTverify_cast<const GU_PrimPacked *>(prim[0]);
GEO_ViewportLOD lod = c->lod(packed);
switch (lod)
{
{
packed->getUntransformedBounds(box);
packed->getFullTransform4(m4d);
c->myBoxes.appendCentroid(box, m4d,
packed->getMapOffset(),
packed->getVertexOffset(0),
packed->getPointOffset(0));
else
c->myBoxes.appendBox(box, m4d,
packed->getMapOffset(),
packed->getVertexOffset(0),
packed->getPointOffset(0));
}
default:
break;
}
// Full or point cloud
return GT_PrimitiveHandle(new GT_GEOPrimPacked(g->getGeometry(0), packed));
}
GT_GEOPackedSphere::endCollecting(const GT_GEODetailListHandle &g,
GT_GEOPrimCollectData *data) const
{
PackedCollect *c = data->asPointer<PackedCollect>();
return c->myBoxes.getPrimitive();
}