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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) 2018 NVIDIA Corporation. All rights reserved.
#ifndef __EMITTER_GEOM_EXPLICIT_IMPL_H__
#define __EMITTER_GEOM_EXPLICIT_IMPL_H__
#include "EmitterGeomBase.h"
#include "PsUserAllocated.h"
#include "EmitterGeomExplicitParams.h"
#include "ApexRand.h"
namespace NvParameterized
{
class Interface;
};
namespace nvidia
{
namespace emitter
{
class EmitterGeomExplicitImpl : public EmitterGeomExplicit, public EmitterGeomBase
{
void updateAssetPoints();
public:
EmitterGeomExplicitImpl(NvParameterized::Interface* params);
EmitterGeomExplicitImpl();
virtual ~EmitterGeomExplicitImpl() {}
/* Asset callable methods */
EmitterGeom* getEmitterGeom();
const EmitterGeomExplicit* isExplicitGeom() const
{
return this;
}
EmitterType::Enum getEmitterType() const
{
return EmitterType::ET_FILL;
}
void setEmitterType(EmitterType::Enum) {} // PX_ASSERT(t == EmitterType::ET_FILL);
void destroy()
{
delete this;
}
/* AssetPreview methods */
void drawPreview(float scale, RenderDebugInterface* renderDebug) const;
/* Actor callable methods */
void visualize(const PxTransform& pose, RenderDebugInterface& renderDebug);
void computeFillPositions(physx::Array<PxVec3>& positions,
physx::Array<PxVec3>& velocities,
const PxTransform& pose,
const PxVec3& scale,
float density,
PxBounds3& outBounds,
QDSRand& rand) const
{
computeFillPositions(positions, velocities, NULL, pose, scale, density, outBounds, rand);
}
void computeFillPositions(physx::Array<PxVec3>& positions,
physx::Array<PxVec3>& velocities,
physx::Array<uint32_t>* userDataArrayPtr,
const PxTransform&,
const PxVec3&,
float,
PxBounds3& outBounds,
QDSRand& rand) const;
/* Stubs */
float computeNewlyCoveredVolume(const PxTransform&, const PxTransform&) const
{
return 0.0f;
}
float computeEmitterVolume() const
{
return 0.0f;
}
PxVec3 randomPosInFullVolume(const PxMat44&, QDSRand&) const
{
return PxVec3(0.0f, 0.0f, 0.0f);
}
PxVec3 randomPosInNewlyCoveredVolume(const PxMat44& , const PxMat44&, QDSRand&) const
{
return PxVec3(0.0f, 0.0f, 0.0f);
}
bool isInEmitter(const PxVec3&, const PxMat44&) const
{
return false;
}
void resetParticleList()
{
mPoints.clear();
mVelocities.clear();
mPointsUserData.clear();
mSpheres.clear();
mSphereVelocities.clear();
mEllipsoids.clear();
mEllipsoidVelocities.clear();
}
void addParticleList(uint32_t count,
const PointParams* params,
const PxVec3* velocities = 0);
void addParticleList(uint32_t count,
const PxVec3* positions,
const PxVec3* velocities = 0);
void addParticleList(uint32_t count,
const PointListData& data);
void addSphereList(uint32_t count,
const SphereParams* params,
const PxVec3* velocities = 0);
void addEllipsoidList(uint32_t count,
const EllipsoidParams* params,
const PxVec3* velocities = 0);
void getParticleList(const PointParams* ¶ms,
uint32_t& numPoints,
const PxVec3* &velocities,
uint32_t& numVelocities) const;
void getSphereList(const SphereParams* ¶ms,
uint32_t& numSpheres,
const PxVec3* &velocities,
uint32_t& numVelocities) const;
void getEllipsoidList(const EllipsoidParams* ¶ms,
uint32_t& numEllipsoids,
const PxVec3* &velocities,
uint32_t& numVelocities) const;
uint32_t getParticleCount() const
{
return mPoints.size();
}
PxVec3 getParticlePos(uint32_t index) const
{
return mPoints[ index ].position;
}
uint32_t getSphereCount() const
{
return mSpheres.size();
}
PxVec3 getSphereCenter(uint32_t index) const
{
return mSpheres[ index ].center;
}
float getSphereRadius(uint32_t index) const
{
return mSpheres[ index ].radius;
}
uint32_t getEllipsoidCount() const
{
return mEllipsoids.size();
}
PxVec3 getEllipsoidCenter(uint32_t index) const
{
return mEllipsoids[ index ].center;
}
float getEllipsoidRadius(uint32_t index) const
{
return mEllipsoids[ index ].radius;
}
PxVec3 getEllipsoidNormal(uint32_t index) const
{
return mEllipsoids[ index ].normal;
}
float getEllipsoidPolarRadius(uint32_t index) const
{
return mEllipsoids[ index ].polarRadius;
}
float getDistance() const
{
return mDistance;
}
protected:
mutable QDSRand mRand;
# define MAX_COLLISION_SHAPES 5
struct CollisionList
{
uint32_t shapeIndices[MAX_COLLISION_SHAPES];
uint32_t next;
PX_INLINE CollisionList(): next(0) {}
PX_INLINE void pushBack(uint32_t shapeIdx)
{
if (next >= MAX_COLLISION_SHAPES)
{
PX_ASSERT(0 && "Too many colliding shapes in explicit emitter");
return;
}
shapeIndices[next++] = shapeIdx;
}
};
// Collision table holds indices of shapes which collide with some shape
// Shape indexing: firstly go spheres, then ellipsoids, then points
physx::Array<CollisionList> mCollisions;
physx::Array<PxBounds3> mBboxes;
void updateCollisions();
bool isInside(const PxVec3& x, uint32_t shapeIdx) const;
void AddParticle(physx::Array<PxVec3>& positions, physx::Array<PxVec3>& velocities,
physx::Array<uint32_t>* userDataArrayPtr,
const PxTransform& pose, float cutoff, PxBounds3& outBounds,
const PxVec3& pos, const PxVec3& vel, uint32_t userData,
uint32_t srcShapeIdx,
QDSRand& rand) const;
physx::Array<SphereParams> mSpheres;
physx::Array<PxVec3> mSphereVelocities;
physx::Array<EllipsoidParams> mEllipsoids;
physx::Array<PxVec3> mEllipsoidVelocities;
physx::Array<PointParams> mPoints;
physx::Array<PxVec3> mVelocities;
physx::Array<uint32_t> mPointsUserData;
float mDistance, mInvDistance;
EmitterGeomExplicitParams* mGeomParams;
};
}
} // end namespace nvidia
#endif
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