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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 | |