NavCollisionBase.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#if UE_ENABLE_INCLUDE_ORDER_DEPRECATED_IN_5_4
#include "CoreMinimal.h"
#endif
#include "AI/NavigationSystemHelpers.h"
#include "AI/Navigation/NavigationTypes.h"
#include "NavCollisionBase.generated.h"
 
 
class FPrimitiveDrawInterface;
 
struct FNavCollisionConvex
{
    TNavStatArray<FVector> VertexBuffer;
    TNavStatArray<int32> IndexBuffer;
};
 
UCLASS(abstract, config=Engine, MinimalAPI)
class UNavCollisionBase : public UObject
{
    GENERATED_BODY()
 
protected:
    DECLARE_DELEGATE_RetVal_OneParam(UNavCollisionBase*, FConstructNew, UObject& /*Outer*/);
 
    static ENGINE_API FConstructNew ConstructNewInstanceDelegate;
    struct FDelegateInitializer
    {
        FDelegateInitializer();
    };
    static ENGINE_API FDelegateInitializer DelegateInitializer;
 
    UPROPERTY(EditAnywhere, Category = Navigation, config)
    uint32 bIsDynamicObstacle : 1;
 
    uint32 bHasConvexGeometry : 1;
 
    FNavCollisionConvex TriMeshCollision;
    FNavCollisionConvex ConvexCollision;
 
public:
    static UNavCollisionBase* ConstructNew(UObject& Outer) { return ConstructNewInstanceDelegate.Execute(Outer); }
 
    ENGINE_API UNavCollisionBase(const FObjectInitializer& ObjectInitializer = FObjectInitializer::Get());
 
    virtual void Setup(class UBodySetup* BodySetup) PURE_VIRTUAL(UNavCollisionBase::Setup, );
 
    [[nodiscard]] virtual FBox GetBounds() const PURE_VIRTUAL(UNavCollisionBase::GetBounds, static FBox InvalidBox; return InvalidBox; );
 
    virtual bool ExportGeometry(const FTransform& LocalToWorld, FNavigableGeometryExport& GeoExport) const PURE_VIRTUAL(UNavCollisionBase::ExportGeometry, return false; );
 
    virtual void GetNavigationModifier(FCompositeNavModifier& Modifier, const FTransform& LocalToWorld) PURE_VIRTUAL(UNavCollisionBase::GetNavigationModifier, );
 
    virtual void DrawSimpleGeom(FPrimitiveDrawInterface* PDI, const FTransform& Transform, const FColor Color) {}
 
#if WITH_EDITOR
    virtual void InvalidateCollision() PURE_VIRTUAL(UNavCollisionBase::InvalidateCollision, );
#endif // WITH_EDITOR
 
    bool IsDynamicObstacle() const { return bIsDynamicObstacle; }
    bool HasConvexGeometry() const { return bHasConvexGeometry; }
    const FNavCollisionConvex& GetTriMeshCollision() const { return TriMeshCollision; }
    const FNavCollisionConvex& GetConvexCollision() const { return ConvexCollision; }
    FNavCollisionConvex& GetMutableTriMeshCollision() { return TriMeshCollision; }
    FNavCollisionConvex& GetMutableConvexCollision() { return ConvexCollision; }
};