00001 // 00002 // Redistribution and use in source and binary forms, with or without 00003 // modification, are permitted provided that the following conditions 00004 // are met: 00005 // * Redistributions of source code must retain the above copyright 00006 // notice, this list of conditions and the following disclaimer. 00007 // * Redistributions in binary form must reproduce the above copyright 00008 // notice, this list of conditions and the following disclaimer in the 00009 // documentation and/or other materials provided with the distribution. 00010 // * Neither the name of NVIDIA CORPORATION nor the names of its 00011 // contributors may be used to endorse or promote products derived 00012 // from this software without specific prior written permission. 00013 // 00014 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY 00015 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00016 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 00017 // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 00018 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00019 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 00020 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00021 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 00022 // OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00023 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00024 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00025 // 00026 // Copyright (c) 2008-2018 NVIDIA Corporation. All rights reserved. 00027 // Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved. 00028 // Copyright (c) 2001-2004 NovodeX AG. All rights reserved. 00029 00030 00031 #ifndef PX_PHYSICS_GEOMUTILS_NX_SIMPLETRIANGLEMESH 00032 #define PX_PHYSICS_GEOMUTILS_NX_SIMPLETRIANGLEMESH 00033 00037 #include "foundation/PxVec3.h" 00038 #include "foundation/PxFlags.h" 00039 #include "common/PxCoreUtilityTypes.h" 00040 #include "common/PxPhysXCommonConfig.h" 00041 00042 #if !PX_DOXYGEN 00043 namespace physx 00044 { 00045 #endif 00046 00050 struct PxMeshFlag 00051 { 00052 enum Enum 00053 { 00067 eFLIPNORMALS = (1<<0), 00068 e16_BIT_INDICES = (1<<1) 00069 }; 00070 }; 00071 00077 typedef PxFlags<PxMeshFlag::Enum,PxU16> PxMeshFlags; 00078 PX_FLAGS_OPERATORS(PxMeshFlag::Enum,PxU16) 00079 00080 00081 00084 class PxSimpleTriangleMesh 00085 { 00086 public: 00087 00091 PxBoundedData points; 00092 00108 PxBoundedData triangles; 00109 00113 PxMeshFlags flags; 00114 00118 PX_INLINE PxSimpleTriangleMesh(); 00122 PX_INLINE void setToDefault(); 00126 PX_INLINE bool isValid() const; 00127 }; 00128 00129 00130 PX_INLINE PxSimpleTriangleMesh::PxSimpleTriangleMesh() 00131 { 00132 } 00133 00134 PX_INLINE void PxSimpleTriangleMesh::setToDefault() 00135 { 00136 *this = PxSimpleTriangleMesh(); 00137 } 00138 00139 PX_INLINE bool PxSimpleTriangleMesh::isValid() const 00140 { 00141 // Check geometry 00142 if(points.count > 0xffff && flags & PxMeshFlag::e16_BIT_INDICES) 00143 return false; 00144 if(!points.data) 00145 return false; 00146 if(points.stride < sizeof(PxVec3)) //should be at least one point's worth of data 00147 return false; 00148 00149 // Check topology 00150 // The triangles pointer is not mandatory 00151 if(triangles.data) 00152 { 00153 // Indexed mesh 00154 PxU32 limit = (flags & PxMeshFlag::e16_BIT_INDICES) ? sizeof(PxU16)*3 : sizeof(PxU32)*3; 00155 if(triangles.stride < limit) 00156 return false; 00157 } 00158 return true; 00159 } 00160 00161 #if !PX_DOXYGEN 00162 } // namespace physx 00163 #endif 00164 00166 #endif