GroupFilter.h

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// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)
// SPDX-FileCopyrightText: 2021 Jorrit Rouwe
// SPDX-License-Identifier: MIT
 
#pragma once
 
#include <Jolt/Core/Result.h>
#include <Jolt/ObjectStream/SerializableObject.h>
 
JPH_NAMESPACE_BEGIN
 
class CollisionGroup;
class StreamIn;
class StreamOut;

class JPH_EXPORT GroupFilter : public SerializableObject, public RefTarget<GroupFilter>
{
    JPH_DECLARE_SERIALIZABLE_ABSTRACT(JPH_EXPORT, GroupFilter)
 
public:
    virtual                     ~GroupFilter() override = default;

    virtual bool                CanCollide(const CollisionGroup &inGroup1, const CollisionGroup &inGroup2) const = 0;

    virtual void                SaveBinaryState(StreamOut &inStream) const;
 
    using GroupFilterResult = Result<Ref<GroupFilter>>;

    static GroupFilterResult    sRestoreFromBinaryState(StreamIn &inStream);
 
protected:
                                GroupFilter() = default;
                                GroupFilter(const GroupFilter &) = default;
    GroupFilter &               operator = (const GroupFilter &) = default;

    virtual void                RestoreBinaryState(StreamIn &inStream);
};
 
JPH_NAMESPACE_END