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//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of NVIDIA CORPORATION nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``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 THE COPYRIGHT OWNER OR
// CONTRIBUTORS 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.
//
// Copyright (c) 2008-2018 NVIDIA Corporation. All rights reserved.
// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
#include "ScParticlePacketShape.h"
#if PX_USE_PARTICLE_SYSTEM_API
#include "ScParticleBodyInteraction.h"
#include "ScNPhaseCore.h"
#include "ScScene.h"
#include "PtParticleSystemSim.h"
#include "ScParticleSystemCore.h"
#include "ScSimStats.h"
#include "ScSqBoundsManager.h"
#include "ScScene.h"
#include "PxsContext.h"
using namespace physx;
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
Sc::ParticlePacketShape::ParticlePacketShape(ParticleSystemSim& particleSystem, PxU32 index, Pt::ParticleShape* llParticleShape) :
ElementSim(particleSystem, ElementType::ePARTICLE_PACKET),
mLLParticleShape(llParticleShape)
{
// Initialize LL shape.
PX_ASSERT(mLLParticleShape);
mLLParticleShape->setUserDataV(this);
setIndex(index);
// Add particle actor element to broadphase
createLowLevelVolume();
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
Sc::ParticlePacketShape::~ParticlePacketShape()
{
getParticleSystem().unlinkParticleShape(this); // Let the particle system remove this shape from the list.
// Remove particle actor element from broadphase and cleanup interactions
destroyLowLevelVolume();
// Destroy LowLevel shape
if (mLLParticleShape)
{
mLLParticleShape->destroyV();
mLLParticleShape = 0;
}
PX_ASSERT(mInteractions.size()==0);
mInteractions.releaseMem(*this);
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void Sc::ParticlePacketShape::computeWorldBounds(PxBounds3& b) const
{
b = getBounds();
PX_ASSERT(b.isFinite());
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void Sc::ParticlePacketShape::getFilterInfo(PxFilterObjectAttributes& filterAttr, PxFilterData& filterData) const
{
filterAttr = 0;
if (getParticleSystem().getInternalFlags() & Pt::InternalParticleSystemFlag::eSPH)
ElementSim::setFilterObjectAttributeType(filterAttr, PxFilterObjectType::ePARTICLE_FLUID);
else
ElementSim::setFilterObjectAttributeType(filterAttr, PxFilterObjectType::ePARTICLE_SYSTEM);
filterData = getParticleSystem().getSimulationFilterData();
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
Sc::ParticleSystemSim& Sc::ParticlePacketShape::getParticleSystem() const
{
return static_cast<ParticleSystemSim&>(getActor());
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void Sc::ParticlePacketShape::setInteractionsDirty(InteractionDirtyFlag::Enum flag)
{
ParticleElementRbElementInteraction** interactions = getInteractions();
PxU32 nbInteractions = getInteractionsCount();
while(nbInteractions--)
{
ParticleElementRbElementInteraction* interaction = *interactions++;
PX_ASSERT(interaction->readInteractionFlag(InteractionFlag::eFILTERABLE));
PX_ASSERT(interaction->readInteractionFlag(InteractionFlag::eELEMENT_ELEMENT));
interaction->setDirty(flag);
}
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// PT: TODO: refactor with Sc::ActorSim::reallocInteractions
void Sc::ParticlePacketShape::reallocInteractions(Sc::ParticleElementRbElementInteraction**& mem, PxU16& capacity, PxU16 size, PxU16 requiredMinCapacity)
{
ParticleElementRbElementInteraction** newMem;
PxU16 newCapacity;
if(requiredMinCapacity==0)
{
newCapacity = 0;
newMem = 0;
}
else if(requiredMinCapacity<=INLINE_INTERACTION_CAPACITY)
{
newCapacity = INLINE_INTERACTION_CAPACITY;
newMem = mInlineInteractionMem;
}
else
{
const PxU32 desiredCapacity = Ps::nextPowerOfTwo(PxU32(requiredMinCapacity-1));
PX_ASSERT(desiredCapacity<=65536);
const PxU32 limit = 0xffff;
newCapacity = Ps::to16(PxMin(limit, desiredCapacity));
newMem = reinterpret_cast<ParticleElementRbElementInteraction**>(getScene().allocatePointerBlock(newCapacity));
}
PX_ASSERT(newCapacity >= requiredMinCapacity && requiredMinCapacity>=size);
PxMemCopy(newMem, mem, size*sizeof(ParticleElementRbElementInteraction*));
if(mem && mem!=mInlineInteractionMem)
getScene().deallocatePointerBlock(reinterpret_cast<void**>(mem), capacity);
capacity = newCapacity;
mem = newMem;
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void Sc::ParticlePacketShape::createLowLevelVolume()
{
PX_ASSERT(getBounds().isFinite());
getScene().getBoundsArray().setBounds(getBounds(), getElementID());
#ifdef BP_FILTERING_USES_TYPE_IN_GROUP
const PxU32 group = Bp::FilterGroup::ePARTICLES;
const PxU32 type = Bp::FilterType::DYNAMIC;
addToAABBMgr(0, Bp::FilterGroup::Enum((group<<2)|type), false);
#else
addToAABBMgr(0, Bp::FilterGroup::ePARTICLES, false);
#endif
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void Sc::ParticlePacketShape::destroyLowLevelVolume()
{
if (!isInBroadPhase())
return;
Sc::Scene& scene = getScene();
PxsContactManagerOutputIterator outputs = scene.getLowLevelContext()->getNphaseImplementationContext()->getContactManagerOutputs();
scene.getNPhaseCore()->onVolumeRemoved(this, 0, outputs, scene.getPublicFlags() & PxSceneFlag::eADAPTIVE_FORCE);
removeFromAABBMgr();
}
#endif // PX_USE_PARTICLE_SYSTEM_API
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