| 1 | // |
| 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions |
| 4 | // are met: |
| 5 | // * Redistributions of source code must retain the above copyright |
| 6 | // notice, this list of conditions and the following disclaimer. |
| 7 | // * Redistributions in binary form must reproduce the above copyright |
| 8 | // notice, this list of conditions and the following disclaimer in the |
| 9 | // documentation and/or other materials provided with the distribution. |
| 10 | // * Neither the name of NVIDIA CORPORATION nor the names of its |
| 11 | // contributors may be used to endorse or promote products derived |
| 12 | // from this software without specific prior written permission. |
| 13 | // |
| 14 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY |
| 15 | // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 16 | // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 17 | // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| 18 | // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 19 | // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 20 | // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 21 | // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| 22 | // OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 23 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 24 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 25 | // |
| 26 | // Copyright (c) 2008-2021 NVIDIA Corporation. All rights reserved. |
| 27 | // Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved. |
| 28 | // Copyright (c) 2001-2004 NovodeX AG. All rights reserved. |
| 29 | |
| 30 | |
| 31 | #ifndef PX_COLLECTION_EXT_H |
| 32 | #define PX_COLLECTION_EXT_H |
| 33 | /** \addtogroup extensions |
| 34 | @{ |
| 35 | */ |
| 36 | |
| 37 | #include "PxPhysXConfig.h" |
| 38 | #include "common/PxCollection.h" |
| 39 | |
| 40 | #if !PX_DOXYGEN |
| 41 | namespace physx |
| 42 | { |
| 43 | #endif |
| 44 | |
| 45 | class PxCollectionExt |
| 46 | { |
| 47 | public: |
| 48 | /** |
| 49 | \brief Removes and releases all object from a collection. |
| 50 | |
| 51 | The Collection itself is not released. |
| 52 | |
| 53 | If the releaseExclusiveShapes flag is not set to true, release() will not be called on exclusive shapes. |
| 54 | |
| 55 | It is assumed that the application holds a reference to each of the objects in the collection, with the exception of objects that are not releasable |
| 56 | (PxBase::isReleasable()). In general, objects that violate this assumption need to be removed from the collection prior to calling releaseObjects. |
| 57 | |
| 58 | \note when a shape is created with PxRigidActor::createShape() or PxRigidActorExt::createExclusiveShape(), the only counted reference is held by the actor. |
| 59 | If such a shape and its actor are present in the collection, the reference count will be decremented once when the actor is released, and once when the |
| 60 | shape is released, resulting in undefined behavior. Shape reference counts can be incremented with PxShape::acquireReference(). |
| 61 | |
| 62 | \param[in] collection to remove and release all object from. |
| 63 | \param[in] releaseExclusiveShapes if this parameter is set to false, release() will not be called on exclusive shapes. |
| 64 | */ |
| 65 | static void releaseObjects(PxCollection& collection, bool releaseExclusiveShapes = true); |
| 66 | |
| 67 | /** |
| 68 | \brief Removes objects of a given type from a collection, potentially adding them to another collection. |
| 69 | |
| 70 | \param[in,out] collection Collection from which objects are removed |
| 71 | \param[in] concreteType PxConcreteType of sdk objects that should be removed |
| 72 | \param[in,out] to Optional collection to which the removed objects are added |
| 73 | |
| 74 | @see PxCollection, PxConcreteType |
| 75 | */ |
| 76 | static void remove(PxCollection& collection, PxType concreteType, PxCollection* to = NULL); |
| 77 | |
| 78 | |
| 79 | /** |
| 80 | \brief Collects all objects in PxPhysics that are shareable across multiple scenes. |
| 81 | |
| 82 | This function creates a new collection from all objects that are shareable across multiple |
| 83 | scenes. Instances of the following types are included: PxConvexMesh, PxTriangleMesh, |
| 84 | PxHeightField, PxShape and PxMaterial. |
| 85 | |
| 86 | This is a helper function to ease the creation of collections for serialization. |
| 87 | |
| 88 | \param[in] physics The physics SDK instance from which objects are collected. See #PxPhysics |
| 89 | \return Collection to which objects are added. See #PxCollection |
| 90 | |
| 91 | @see PxCollection, PxPhysics |
| 92 | */ |
| 93 | static PxCollection* createCollection(PxPhysics& physics); |
| 94 | |
| 95 | /** |
| 96 | \brief Collects all objects from a PxScene. |
| 97 | |
| 98 | This function creates a new collection from all objects that where added to the specified |
| 99 | PxScene. Instances of the following types are included: PxActor, PxAggregate, |
| 100 | PxArticulation and PxJoint (other PxConstraint types are not included). |
| 101 | |
| 102 | This is a helper function to ease the creation of collections for serialization. |
| 103 | The function PxSerialization.complete() can be used to complete the collection with required objects prior to |
| 104 | serialization. |
| 105 | |
| 106 | \param[in] scene The PxScene instance from which objects are collected. See #PxScene |
| 107 | \return Collection to which objects are added. See #PxCollection |
| 108 | |
| 109 | @see PxCollection, PxScene, PxSerialization.complete() |
| 110 | */ |
| 111 | static PxCollection* createCollection(PxScene& scene); |
| 112 | }; |
| 113 | |
| 114 | #if !PX_DOXYGEN |
| 115 | } // namespace physx |
| 116 | #endif |
| 117 | |
| 118 | /** @} */ |
| 119 | #endif |
| 120 | |