hkpFixedBufferRayHitCollector.h
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上传日期:2020-08-09
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其他游戏
开发平台:
Visual C++
- /*
- *
- * Confidential Information of Telekinesys Research Limited (t/a Havok). Not for disclosure or distribution without Havok's
- * prior written consent. This software contains code, techniques and know-how which is confidential and proprietary to Havok.
- * Level 2 and Level 3 source code contains trade secrets of Havok. Havok Software (C) Copyright 1999-2009 Telekinesys Research Limited t/a Havok. All Rights Reserved. Use of this software is subject to the terms of an end user license agreement.
- *
- */
- #ifndef HK_FIXED_BUFFER_RAY_HIT_COLLECTOR_H
- #define HK_FIXED_BUFFER_RAY_HIT_COLLECTOR_H
- #include <Physics/Collide/Shape/Query/hkpRayHitCollector.h>
- struct hkpWorldRayCastOutput;
- # define hkpWorldRayCastOutput_Storage hkpWorldRayCastOutput
- ///
- /// This collector class will always collect the n closest points (with n == 'capacity' as supplied in the constructor).
- /// For now it is only used with hkCollisionQuery jobs. Its usage is hardcoded into the jobs, so you cannot derive and
- /// use your derived class instead, but you can register your own custom addCdPoint() callback function by calling
- /// registerFixedBufferCdPointCollectorAddCdPointCallbackFunction().
- ///
- class hkpFixedBufferRayHitCollector : public hkpRayHitCollector
- {
- public:
- HK_DECLARE_NONVIRTUAL_CLASS_ALLOCATOR(HK_MEMORY_CLASS_AGENT, hkpFixedBufferRayHitCollector);
- public:
- /// The constructor needs to be passed in a pointer to the result array and its maximum capacity.
- HK_FORCE_INLINE hkpFixedBufferRayHitCollector(hkpWorldRayCastOutput_Storage* buffer, int capacity);
- /// This resets the m_earlyOutHitFraction to 1. You should call this if you want to
- /// reuse the class for a new ray cast.
- inline void reset();
- /// Virtual destructor for derived objects
- virtual ~hkpFixedBufferRayHitCollector() { }
- /// Call this static function to register the collector's default addRayHit() callback implementation.
- static void HK_CALL registerDefaultAddRayHitFunction();
- public:
- /// The collector's default addRayHit() implementation.
- ///
- /// This implementation will collect up to n closest hits (with n == 'capacity' as supplied in the class constructor).
- /// As long as there's room available in the internal array, new hits will simply be appended.
- /// Once the maximum capacity is reached we will check if the new hit is closer than the already available furthest
- /// hit and replace the latter accordingly.
- static void HK_CALL addRayHitImplementation(const hkpCdBody& cdBody, const hkpShapeRayCastCollectorOutput& hitInfo, hkpFixedBufferRayHitCollector* collector);
- protected:
- virtual HK_FORCE_INLINE void addRayHit(const hkpCdBody& cdBody, const hkpShapeRayCastCollectorOutput& hitInfo);
- public:
- hkPadSpu<hkpWorldRayCastOutput_Storage*> m_rayCastOutputBase; // the result array's base address
- hkPadSpu<hkpWorldRayCastOutput_Storage*> m_nextFreeOutput; // the next free entry in the result array
- hkPadSpu<int> m_capacity; // the maximum number of entries available in the result array
- hkPadSpu<int> m_numOutputs; // the current number of entries available in the result array
- /// This is only used when the collector is used on Spu.
- /// For each hit collected we output the rootCollidable pointer, and we must use the permanent pointer in main memory
- /// and not the temporary copy on Spu.
- hkPadSpu<const hkpCollidable*> m_collidableOnPpu;
- };
- //
- // User callback registering stuff for hkpFixedBufferRayHitCollector::addRayHit()
- //
- typedef void (HK_CALL *hkFixedBufferRayHitCollectorAddRayHitCallbackFunc)(const hkpCdBody& cdBody, const hkpShapeRayCastCollectorOutput& hitInfo, class hkpFixedBufferRayHitCollector* collector);
- extern hkFixedBufferRayHitCollectorAddRayHitCallbackFunc g_FixedBufferRayHitCollectorAddRayHitCallbackFunc;
- /// Register your custom hkpFixedBufferRayHitCollector::addCdPoint() implementation with this function.
- ///
- /// Note that when using the hkpFixedBufferRayHitCollector you can only ever have one global, shared addCdPoint() implementation.
- HK_FORCE_INLINE void registerFixedBufferRayHitCollectorAddRayHitCallbackFunction(hkFixedBufferRayHitCollectorAddRayHitCallbackFunc func)
- {
- g_FixedBufferRayHitCollectorAddRayHitCallbackFunc = func;
- }
- #include <Physics/Collide/Query/Collector/RayCollector/hkpFixedBufferRayHitCollector.inl>
- #endif // HK_FIXED_BUFFER_RAY_HIT_COLLECTOR_H
- /*
- * Havok SDK - NO SOURCE PC DOWNLOAD, BUILD(#20090216)
- *
- * Confidential Information of Havok. (C) Copyright 1999-2009
- * Telekinesys Research Limited t/a Havok. All Rights Reserved. The Havok
- * Logo, and the Havok buzzsaw logo are trademarks of Havok. Title, ownership
- * rights, and intellectual property rights in the Havok software remain in
- * Havok and/or its suppliers.
- *
- * Use of this software for evaluation purposes is subject to and indicates
- * acceptance of the End User licence Agreement for this product. A copy of
- * the license is included with this software and is also available at www.havok.com/tryhavok.
- *
- */