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| author | git perforce import user <a@b> | 2016-10-25 12:29:14 -0600 |
|---|---|---|
| committer | Sheikh Dawood Abdul Ajees <Sheikh Dawood Abdul Ajees> | 2016-10-25 18:56:37 -0500 |
| commit | 3dfe2108cfab31ba3ee5527e217d0d8e99a51162 (patch) | |
| tree | fa6485c169e50d7415a651bf838f5bcd0fd3bfbd /PhysX_3.4/Source/PhysXVehicle/src/PxVehicleTireFriction.cpp | |
| download | physx-3.4-3dfe2108cfab31ba3ee5527e217d0d8e99a51162.tar.xz physx-3.4-3dfe2108cfab31ba3ee5527e217d0d8e99a51162.zip | |
Initial commit:
PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617
[CL 21300167]
Diffstat (limited to 'PhysX_3.4/Source/PhysXVehicle/src/PxVehicleTireFriction.cpp')
| -rw-r--r-- | PhysX_3.4/Source/PhysXVehicle/src/PxVehicleTireFriction.cpp | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/PhysX_3.4/Source/PhysXVehicle/src/PxVehicleTireFriction.cpp b/PhysX_3.4/Source/PhysXVehicle/src/PxVehicleTireFriction.cpp new file mode 100644 index 00000000..2622a698 --- /dev/null +++ b/PhysX_3.4/Source/PhysXVehicle/src/PxVehicleTireFriction.cpp @@ -0,0 +1,132 @@ +// This code contains NVIDIA Confidential Information and is disclosed to you +// under a form of NVIDIA software license agreement provided separately to you. +// +// Notice +// NVIDIA Corporation and its licensors retain all intellectual property and +// proprietary rights in and to this software and related documentation and +// any modifications thereto. Any use, reproduction, disclosure, or +// distribution of this software and related documentation without an express +// license agreement from NVIDIA Corporation is strictly prohibited. +// +// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES +// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO +// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT, +// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE. +// +// Information and code furnished is believed to be accurate and reliable. +// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such +// information or for any infringement of patents or other rights of third parties that may +// result from its use. No license is granted by implication or otherwise under any patent +// or patent rights of NVIDIA Corporation. Details are subject to change without notice. +// This code supersedes and replaces all information previously supplied. +// NVIDIA Corporation products are not authorized for use as critical +// components in life support devices or systems without express written approval of +// NVIDIA Corporation. +// +// Copyright (c) 2008-2016 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 "foundation/PxMemory.h" +#include "PxVehicleTireFriction.h" +#include "CmPhysXCommon.h" +#include "PsFoundation.h" + +namespace physx +{ + +PX_FORCE_INLINE PxU32 computeByteSize(const PxU32 maxNbTireTypes, const PxU32 maxNbSurfaceTypes) +{ + PxU32 byteSize = ((sizeof(PxU32)*(maxNbTireTypes*maxNbSurfaceTypes) + 15) & ~15); + byteSize += ((sizeof(PxMaterial*)*maxNbSurfaceTypes + 15) & ~15); + byteSize += ((sizeof(PxVehicleDrivableSurfaceType)*maxNbSurfaceTypes + 15) & ~15); + byteSize += ((sizeof(PxVehicleDrivableSurfaceToTireFrictionPairs) + 15) & ~ 15); + return byteSize; +} + +PxVehicleDrivableSurfaceToTireFrictionPairs* PxVehicleDrivableSurfaceToTireFrictionPairs::allocate +(const PxU32 maxNbTireTypes, const PxU32 maxNbSurfaceTypes) +{ + PX_CHECK_AND_RETURN_VAL(maxNbSurfaceTypes <= eMAX_NB_SURFACE_TYPES, "maxNbSurfaceTypes must be less than eMAX_NB_SURFACE_TYPES", NULL); + + PxU32 byteSize = computeByteSize(maxNbTireTypes, maxNbSurfaceTypes); + PxU8* ptr = static_cast<PxU8*>(PX_ALLOC(byteSize, "PxVehicleDrivableSurfaceToTireFrictionPairs")); + PxMemSet(ptr, 0, byteSize); + PxVehicleDrivableSurfaceToTireFrictionPairs* pairs = reinterpret_cast<PxVehicleDrivableSurfaceToTireFrictionPairs*>(ptr); + + pairs->mPairs = NULL; + pairs->mDrivableSurfaceMaterials = NULL; + pairs->mDrivableSurfaceTypes = NULL; + pairs->mNbTireTypes = 0; + pairs->mMaxNbTireTypes = maxNbTireTypes; + pairs->mNbSurfaceTypes = 0; + pairs->mMaxNbSurfaceTypes = maxNbSurfaceTypes; + + return pairs; +} + +void PxVehicleDrivableSurfaceToTireFrictionPairs::setup +(const PxU32 numTireTypes, const PxU32 numSurfaceTypes, const PxMaterial** drivableSurfaceMaterials, const PxVehicleDrivableSurfaceType* drivableSurfaceTypes) +{ + PX_CHECK_AND_RETURN(numTireTypes <= mMaxNbTireTypes, "numTireTypes must be less than mMaxNumSurfaceTypes"); + PX_CHECK_AND_RETURN(numSurfaceTypes <= mMaxNbSurfaceTypes, "numSurfaceTypes must be less than mMaxNumSurfaceTypes"); + + PxU8* ptr = reinterpret_cast<PxU8*>(this); + + const PxU32 maxNbTireTypes = mMaxNbTireTypes; + const PxU32 maxNbSurfaceTypes = mMaxNbSurfaceTypes; + PxU32 byteSize = computeByteSize(mMaxNbTireTypes, mMaxNbSurfaceTypes); + PxMemSet(ptr, 0, byteSize); + mMaxNbTireTypes = maxNbTireTypes; + mMaxNbSurfaceTypes = maxNbSurfaceTypes; + + PxVehicleDrivableSurfaceToTireFrictionPairs* pairs = reinterpret_cast<PxVehicleDrivableSurfaceToTireFrictionPairs*>(ptr); + ptr += ((sizeof(PxVehicleDrivableSurfaceToTireFrictionPairs) + 15) & ~ 15); + + mPairs = reinterpret_cast<PxReal*>(ptr); + ptr += ((sizeof(PxU32)*(numTireTypes*numSurfaceTypes) + 15) & ~15); + mDrivableSurfaceMaterials = reinterpret_cast<const PxMaterial**>(ptr); + ptr += ((sizeof(PxMaterial*)*numSurfaceTypes + 15) & ~15); + mDrivableSurfaceTypes = reinterpret_cast<PxVehicleDrivableSurfaceType*>(ptr); + ptr += ((sizeof(PxVehicleDrivableSurfaceType)*numSurfaceTypes +15) & ~15); + + for(PxU32 i=0;i<numSurfaceTypes;i++) + { + mDrivableSurfaceTypes[i] = drivableSurfaceTypes[i]; + mDrivableSurfaceMaterials[i] = drivableSurfaceMaterials[i]; + } + for(PxU32 i=0;i<numTireTypes*numSurfaceTypes;i++) + { + mPairs[i]=1.0f; + } + + pairs->mNbTireTypes=numTireTypes; + pairs->mNbSurfaceTypes=numSurfaceTypes; +} + +void PxVehicleDrivableSurfaceToTireFrictionPairs::release() +{ + PX_FREE(this); +} + +void PxVehicleDrivableSurfaceToTireFrictionPairs::setTypePairFriction(const PxU32 surfaceType, const PxU32 tireType, const PxReal value) +{ + PX_CHECK_AND_RETURN(tireType<mNbTireTypes, "Invalid tireType"); + PX_CHECK_AND_RETURN(surfaceType<mNbSurfaceTypes, "Invalid surfaceType"); + + *(mPairs + mNbTireTypes*surfaceType + tireType) = value; +} + +PxReal PxVehicleDrivableSurfaceToTireFrictionPairs::getTypePairFriction(const PxU32 surfaceType, const PxU32 tireType) const +{ + PX_CHECK_AND_RETURN_VAL(tireType<mNbTireTypes, "Invalid tireType", 0.0f); + PX_CHECK_AND_RETURN_VAL(surfaceType<mNbSurfaceTypes, "Invalid surfaceType", 0.0f); + + return *(mPairs + mNbTireTypes*surfaceType + tireType); +} + + + + +}//physx + |