DyParticleSystem.h

// 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) 2008-2022 NVIDIA Corporation. All rights reserved.
 
 
#ifndef PXD_PARTICLESYSTEM_H
#define PXD_PARTICLESYSTEM_H
 
#include "foundation/PxSimpleTypes.h"
#include "DyParticleSystemCore.h"
#include "PxvGeometry.h"
 
#define MAX_SPARSEGRID_DIM 1024
#define MIN_SPARSEGRID_ID -512
#define MAX_SPARSEGRID_ID 511
 
namespace physx
{
    namespace Sc
    {
        class ParticleSystemSim;
    }
 
 
    namespace Dy
    {
        typedef size_t ParticleSystemHandle;
 
        class ParticleSystemCore;
 
        struct ParticleSystemFlag
        {
            enum Enum
            {
                eUPDATE_PARAMS                      = 1 << 1,
                eUPDATE_MATERIAL                    = 1 << 2,
                eUPDATE_PHASE                       = 1 << 3,
                eUPDATE_ACTIVE_PARTICLECOUNT        = 1 << 4
            };
        };
 
 
        class ParticleSystem
        {
            PX_NOCOPY(ParticleSystem)
        public:
 
            ParticleSystem(Dy::ParticleSystemCore& core) : mCore(core), mShapeCore(NULL),
                mElementId(0xffffffff), mGpuRemapId(0xffffffff)
            {
                mFlag = 0;
            }
 
            ~ParticleSystem() {}
 
            PX_FORCE_INLINE void setShapeCore(PxsShapeCore* shapeCore)
            {
                mShapeCore = shapeCore;
            }
 
            PX_FORCE_INLINE void setGpuRemapId(const PxU32 remapId)
            {
                mGpuRemapId = remapId;
                PxParticleSystemGeometryLL& geom = mShapeCore->mGeometry.get<PxParticleSystemGeometryLL>();
                geom.materialsLL.gpuRemapId = remapId;
            }
 
            PX_FORCE_INLINE PxU32               getGpuRemapId()             const   { return mGpuRemapId; }
 
            PX_FORCE_INLINE void                setElementId(const PxU32 elementId) { mElementId = elementId; }
            PX_FORCE_INLINE PxU32               getElementId()                      { return mElementId; }
 
            PX_FORCE_INLINE ParticleSystemCore& getCore()                   const   { return mCore; }
            PX_FORCE_INLINE PxsShapeCore&       getShapeCore()                      { return *mShapeCore; }
 
            PX_FORCE_INLINE PxU16               getIterationCounts()                { return mCore.solverIterationCounts; }
 
            PxU32           mFlag;
 
        private:
            ParticleSystemCore&         mCore;
            PxsShapeCore*               mShapeCore;
            PxU32                       mElementId; //this is used for the bound array
            PxU32                       mGpuRemapId;
            
        };
 
        struct ParticleSystemSolverDesc
        {
            ParticleSystem*     particleSystem;
        };
 
        PX_FORCE_INLINE ParticleSystem* getParticleSystem(ParticleSystemHandle handle)
        {
            return reinterpret_cast<ParticleSystem*>(handle);
        }
 
    }
}
 
#endif