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#ifndef BP_MBP_TASKS_H
#define BP_MBP_TASKS_H

#include "PsUserAllocated.h"
#include "CmTask.h"

namespace physx
{
	class PxcScratchAllocator;

	namespace Bp
	{
		class BroadPhaseMBP;
	}

#define MBP_USE_SCRATCHPAD

	class MBPTask : public Cm::Task, public shdfnd::UserAllocated
	{
		public:
												MBPTask(PxU64 contextId) : Cm::Task(contextId), mMBP(NULL), mNumCpuTasks(0)		{}

		PX_FORCE_INLINE	void					set(Bp::BroadPhaseMBP* mbp, PxcScratchAllocator* sa, PxU32 numCpuTasks)
												{
													mMBP = mbp;
													mScratchAllocator = sa;
													mNumCpuTasks = numCpuTasks;
												}
		protected:
						Bp::BroadPhaseMBP*		mMBP;
						PxU32					mNumCpuTasks;
						PxcScratchAllocator*	mScratchAllocator;
		private:
		MBPTask& operator=(const MBPTask&);
	};

	// PT: this is the main 'update' task doing the actual box pruning work.
	class MBPUpdateWorkTask : public MBPTask
	{
	public:							
								MBPUpdateWorkTask(PxU64 contextId) : MBPTask(contextId)	{}
								~MBPUpdateWorkTask()									{}
		// PxBaseTask
		virtual const char*		getName() const { return "BpMBP.updateWork"; }
		//~PxBaseTask

		// Cm::Task
		virtual void			runInternal();
		//~Cm::Task

	private:
		MBPUpdateWorkTask& operator=(const MBPUpdateWorkTask&);
	};

	// PT: this task runs after MBPUpdateWorkTask. This is where MBP_PairManager::removeMarkedPairs is called, to finalize
	// the work and come up with created/removed lists. This is single-threaded.
	class MBPPostUpdateWorkTask : public MBPTask
	{
	public:
								MBPPostUpdateWorkTask(PxU64 contextId) : MBPTask(contextId)	{}
								~MBPPostUpdateWorkTask()									{}
		// PxBaseTask
		virtual const char*		getName() const { return "BpMBP.postUpdateWork"; }
		//~PxBaseTask

		// Cm::Task
		virtual void			runInternal();
		//~Cm::Task

	private:
		MBPPostUpdateWorkTask& operator=(const MBPPostUpdateWorkTask&);
	};

} //namespace physx

#endif // BP_MBP_TASKS_H