CollisionQueryFilterCallbackCore.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "PhysicsInterfaceTypesCore.h"
#include "ChaosInterfaceWrapperCore.h"
 
enum class ECollisionQueryHitType : uint8
{
    None = 0,
    Touch = 1,
    Block = 2
};
 
namespace Chaos
{
    class FImplicitObject;
}
 
class ICollisionQueryFilterCallbackBase
{
public:
    
    virtual ~ICollisionQueryFilterCallbackBase() {}
    virtual ECollisionQueryHitType PostFilter(const FCollisionFilterData& FilterData, const ChaosInterface::FQueryHit& Hit) = 0;
    virtual ECollisionQueryHitType PreFilter(const FCollisionFilterData& FilterData, const Chaos::FPerShapeData& Shape, const Chaos::FGeometryParticle& Actor) = 0;
 
    virtual ECollisionQueryHitType PostFilter(const FCollisionFilterData& FilterData, const ChaosInterface::FPTQueryHit& Hit) = 0;
    virtual ECollisionQueryHitType PreFilter(const FCollisionFilterData& FilterData, const Chaos::FPerShapeData& Shape, const Chaos::FGeometryParticleHandle& Actor) = 0;
};
 
class FBlockAllQueryCallback : public ICollisionQueryFilterCallbackBase
{
public:
    virtual ~FBlockAllQueryCallback() {}
    virtual ECollisionQueryHitType PostFilter(const FCollisionFilterData& FilterData, const ChaosInterface::FQueryHit& Hit) override { return ECollisionQueryHitType::Block; }
    virtual ECollisionQueryHitType PreFilter(const FCollisionFilterData& FilterData, const Chaos::FPerShapeData& Shape, const Chaos::FGeometryParticle& Actor) override { return ECollisionQueryHitType::Block; }
 
    virtual ECollisionQueryHitType PostFilter(const FCollisionFilterData& FilterData, const ChaosInterface::FPTQueryHit& Hit) override { return ECollisionQueryHitType::Block; }
    virtual ECollisionQueryHitType PreFilter(const FCollisionFilterData& FilterData, const Chaos::FPerShapeData& Shape, const Chaos::FGeometryParticleHandle& Actor) override { return ECollisionQueryHitType::Block; }
};
 
class FOverlapAllQueryCallback : public ICollisionQueryFilterCallbackBase
{
public:
    virtual ~FOverlapAllQueryCallback() {}
    virtual ECollisionQueryHitType PostFilter(const FCollisionFilterData& FilterData, const ChaosInterface::FQueryHit& Hit) override { return ECollisionQueryHitType::Touch; }
    virtual ECollisionQueryHitType PreFilter(const FCollisionFilterData& FilterData, const Chaos::FPerShapeData& Shape, const Chaos::FGeometryParticle& Actor) override { return ECollisionQueryHitType::Touch; }
 
    virtual ECollisionQueryHitType PostFilter(const FCollisionFilterData& FilterData, const ChaosInterface::FPTQueryHit& Hit) override { return ECollisionQueryHitType::Touch; }
    virtual ECollisionQueryHitType PreFilter(const FCollisionFilterData& FilterData, const Chaos::FPerShapeData& Shape, const Chaos::FGeometryParticleHandle& Actor) override { return ECollisionQueryHitType::Touch; }
};