123 lines
4.2 KiB
C++
123 lines
4.2 KiB
C++
//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of NVIDIA CORPORATION nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Copyright (c) 2008-2021 NVIDIA Corporation. All rights reserved.
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// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
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// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
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#ifndef SNIPPET_VEHICLE_CONCURRENCY_H
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#define SNIPPET_VEHICLE_CONCURRENCY_H
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#include "PxPhysicsAPI.h"
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#include <new>
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namespace snippetvehicle
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{
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using namespace physx;
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//Data structure for quick setup of wheel query data structures.
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class VehicleConcurrency
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{
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public:
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VehicleConcurrency()
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: mMaxNumVehicles(0),
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mMaxNumWheelsPerVehicle(0),
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mVehicleConcurrentUpdates(NULL)
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{
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}
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~VehicleConcurrency()
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{
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}
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static VehicleConcurrency* allocate(const PxU32 maxNumVehicles, const PxU32 maxNumWheelsPerVehicle, PxAllocatorCallback& allocator)
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{
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const PxU32 byteSize =
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sizeof(VehicleConcurrency) +
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sizeof(PxVehicleConcurrentUpdateData)*maxNumVehicles +
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sizeof(PxVehicleWheelConcurrentUpdateData)*maxNumWheelsPerVehicle*maxNumVehicles;
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PxU8* buffer = static_cast<PxU8*>(allocator.allocate(byteSize, NULL, NULL, 0));
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VehicleConcurrency* vc = reinterpret_cast<VehicleConcurrency*>(buffer);
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new(vc) VehicleConcurrency();
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buffer += sizeof(VehicleConcurrency);
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vc->mMaxNumVehicles = maxNumVehicles;
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vc->mMaxNumWheelsPerVehicle = maxNumWheelsPerVehicle;
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vc->mVehicleConcurrentUpdates = reinterpret_cast<PxVehicleConcurrentUpdateData*>(buffer);
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buffer += sizeof(PxVehicleConcurrentUpdateData)*maxNumVehicles;
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for(PxU32 i=0;i<maxNumVehicles;i++)
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{
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new(vc->mVehicleConcurrentUpdates + i) PxVehicleConcurrentUpdateData();
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vc->mVehicleConcurrentUpdates[i].nbConcurrentWheelUpdates = maxNumWheelsPerVehicle;
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vc->mVehicleConcurrentUpdates[i].concurrentWheelUpdates = reinterpret_cast<PxVehicleWheelConcurrentUpdateData*>(buffer);
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buffer += sizeof(PxVehicleWheelConcurrentUpdateData)*maxNumWheelsPerVehicle;
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for(PxU32 j = 0; j < maxNumWheelsPerVehicle; j++)
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{
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new(vc->mVehicleConcurrentUpdates[i].concurrentWheelUpdates + j) PxVehicleWheelConcurrentUpdateData();
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}
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}
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return vc;
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}
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//Free allocated buffer for scene queries of suspension raycasts.
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void free(PxAllocatorCallback& allocator)
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{
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allocator.deallocate(this);
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}
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//Return the PxVehicleConcurrentUpdate for a vehicle specified by an index.
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PxVehicleConcurrentUpdateData* getVehicleConcurrentUpdate(const PxU32 id)
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{
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return (mVehicleConcurrentUpdates + id);
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}
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//Return the entire array of PxVehicleConcurrentUpdates
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PxVehicleConcurrentUpdateData* getVehicleConcurrentUpdateBuffer()
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{
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return mVehicleConcurrentUpdates;
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}
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private:
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PxU32 mMaxNumVehicles;
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PxU32 mMaxNumWheelsPerVehicle;
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PxVehicleConcurrentUpdateData* mVehicleConcurrentUpdates;
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};
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} // namespace snippetvehicle
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#endif //SNIPPET_VEHICLE_CONCURRENCY_H
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