NavCollision.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 "UObject/ObjectMacros.h"
#include "UObject/Object.h"
#include "Misc/Guid.h"
#include "Templates/SubclassOf.h"
#include "Serialization/BulkData.h"
#include "AI/Navigation/NavigationTypes.h"
#include "AI/Navigation/NavCollisionBase.h"
#include "NavCollision.generated.h"
 
class FPrimitiveDrawInterface;
struct FCompositeNavModifier;
struct FNavigableGeometryExport;
 
USTRUCT()
struct FNavCollisionCylinder
{
    GENERATED_USTRUCT_BODY()
 
    UPROPERTY(EditAnywhere, Category=Cylinder)
    FVector Offset = FVector::ZeroVector;
 
    UPROPERTY(EditAnywhere, Category=Cylinder)
    float Radius = 0.f;
 
    UPROPERTY(EditAnywhere, Category=Cylinder)
    float Height = 0.f;
};
 
USTRUCT()
struct FNavCollisionBox
{
    GENERATED_USTRUCT_BODY()
 
    UPROPERTY(EditAnywhere, Category=Box)
    FVector Offset = FVector::ZeroVector;
 
    UPROPERTY(EditAnywhere, Category=Box)
    FVector Extent = FVector::ZeroVector;
};
 
UCLASS(config=Engine, MinimalAPI)
class UNavCollision : public UNavCollisionBase
{
    GENERATED_UCLASS_BODY()
 
    TNavStatArray<int32> ConvexShapeIndices;
 
    FBox Bounds;
 
    UPROPERTY(EditAnywhere, Category=Navigation)
    TArray<FNavCollisionCylinder> CylinderCollision;
 
    UPROPERTY(EditAnywhere, Category=Navigation)
    TArray<FNavCollisionBox> BoxCollision;
 
    UPROPERTY(EditAnywhere, Category = Navigation, meta = (EditCondition = "bIsDynamicObstacle"))
    TSubclassOf<class UNavArea> AreaClass;
 
    UPROPERTY(EditAnywhere, Category=Navigation, config)
    uint32 bGatherConvexGeometry : 1;
 
    UPROPERTY(EditAnywhere, Category=Navigation, config)
    uint32 bCreateOnClient : 1;
 
    uint32 bForceGeometryRebuild : 1;
 
    FGuid BodySetupGuid;
 
    FFormatContainer CookedFormatData;
 
    //~ Begin UObject Interface.
    NAVIGATIONSYSTEM_API virtual void PostInitProperties() override;
    NAVIGATIONSYSTEM_API virtual void Serialize(FArchive& Ar) override;
    NAVIGATIONSYSTEM_API virtual void PostLoad() override;
    NAVIGATIONSYSTEM_API virtual void GetResourceSizeEx(FResourceSizeEx& CumulativeResourceSize) override;
    NAVIGATIONSYSTEM_API virtual bool NeedsLoadForTargetPlatform(const class ITargetPlatform* TargetPlatform) const override;
    virtual bool NeedsLoadForClient() const override { return bCreateOnClient; }
    //~ End UObject Interface.
 
    NAVIGATIONSYSTEM_API FGuid GetGuid() const;
 
    NAVIGATIONSYSTEM_API virtual void Setup(class UBodySetup* BodySetup) override;
 
    NAVIGATIONSYSTEM_API virtual FBox GetBounds() const override;
 
    NAVIGATIONSYSTEM_API void CopyUserSettings(const UNavCollision& OtherData);
 
    NAVIGATIONSYSTEM_API virtual void DrawSimpleGeom(FPrimitiveDrawInterface* PDI, const FTransform& Transform, const FColor Color) override;
 
    NAVIGATIONSYSTEM_API virtual void GetNavigationModifier(FCompositeNavModifier& Modifier, const FTransform& LocalToWorld) override;
 
    NAVIGATIONSYSTEM_API virtual bool ExportGeometry(const FTransform& LocalToWorld, FNavigableGeometryExport& GeoExport) const override;
 
    NAVIGATIONSYSTEM_API void GatherCollision();
 
#if WITH_EDITOR
    NAVIGATIONSYSTEM_API virtual void InvalidateCollision() override;
#endif // WITH_EDITOR
 
protected:
    NAVIGATIONSYSTEM_API void ClearCollision();
 
#if WITH_EDITOR
    NAVIGATIONSYSTEM_API void InvalidatePhysicsData();
#endif // WITH_EDITOR
    NAVIGATIONSYSTEM_API FByteBulkData* GetCookedData(FName Format);
};