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authorgit perforce import user <a@b>2016-10-25 12:29:14 -0600
committerSheikh Dawood Abdul Ajees <Sheikh Dawood Abdul Ajees>2016-10-25 18:56:37 -0500
commit3dfe2108cfab31ba3ee5527e217d0d8e99a51162 (patch)
treefa6485c169e50d7415a651bf838f5bcd0fd3bfbd /PhysX_3.4/Source/PhysXVehicle/src/PxVehicleTireFriction.cpp
downloadphysx-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')
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+// 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
+