/*
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution (the "License"). All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file. Do not
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/

#pragma once

#include <AzFramework/Physics/Collision/CollisionEvents.h>

#include <PxSimulationEventCallback.h>
namespace PhysX
{
    //! Helper class that receives the collision events reported from PhysX.
    //! This will convert physx collision and trigger events in TriggerEvent and CollisionEvent to be forwarded to the Scene.
    class SceneSimulationEventCallback
        : public physx::PxSimulationEventCallback
    {
    public:
        SceneSimulationEventCallback() = default;
        ~SceneSimulationEventCallback() = default;

        //! Accessor to the queued Collision / trigger Events.
        AzPhysics::CollisionEventList& GetQueuedCollisionEvents();
        AzPhysics::TriggerEventList& GetQueuedTriggerEvents();

        //! Clear all queued collision / trigger events.
        void FlushQueuedCollisionEvents();
        void FlushQueuedTriggerEvents();

        // physx::PxSimulationEventCallback Interface
        void onConstraintBreak(physx::PxConstraintInfo* constraints, physx::PxU32 count) override;
        void onWake(physx::PxActor** actors, physx::PxU32 count) override;
        void onSleep(physx::PxActor** actors, physx::PxU32 count) override;
        void onContact(const physx::PxContactPairHeader& pairHeader, const physx::PxContactPair* pairs, physx::PxU32 nbPairs) override;
        void onTrigger(physx::PxTriggerPair* pairs, physx::PxU32 count) override;
        void onAdvance(const physx::PxRigidBody* const* bodyBuffer, const physx::PxTransform* poseBuffer, const physx::PxU32 count) override;

    private:
        AzPhysics::CollisionEventList m_queuedCollisionEvents; //!< Holds all the collision events the happened until the next call to FlushCollisionEvents;
        AzPhysics::TriggerEventList m_queuedTriggerEvents; //!< Holds all the trigger events the happened until the next call to FlushTriggerEvents;
    };
}