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126 lines
3.8 KiB
C++
126 lines
3.8 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "UObject/ObjectMacros.h"
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#include "UObject/Object.h"
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#include "Misc/Guid.h"
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#include "Templates/SubclassOf.h"
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#include "Serialization/BulkData.h"
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#include "AI/Navigation/NavigationTypes.h"
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#include "AI/Navigation/NavCollisionBase.h"
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#include "NavCollision.generated.h"
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class FPrimitiveDrawInterface;
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struct FCompositeNavModifier;
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struct FNavigableGeometryExport;
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USTRUCT()
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struct FNavCollisionCylinder
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{
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GENERATED_USTRUCT_BODY()
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UPROPERTY(EditAnywhere, Category=Cylinder)
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FVector Offset = FVector::ZeroVector;
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UPROPERTY(EditAnywhere, Category=Cylinder)
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float Radius = 0.f;
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UPROPERTY(EditAnywhere, Category=Cylinder)
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float Height = 0.f;
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};
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USTRUCT()
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struct FNavCollisionBox
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{
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GENERATED_USTRUCT_BODY()
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UPROPERTY(EditAnywhere, Category=Box)
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FVector Offset = FVector::ZeroVector;
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UPROPERTY(EditAnywhere, Category=Box)
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FVector Extent = FVector::ZeroVector;
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};
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UCLASS(config=Engine)
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class NAVIGATIONSYSTEM_API UNavCollision : public UNavCollisionBase
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{
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GENERATED_UCLASS_BODY()
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TNavStatArray<int32> ConvexShapeIndices;
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/** list of nav collision cylinders */
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UPROPERTY(EditAnywhere, Category=Navigation)
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TArray<FNavCollisionCylinder> CylinderCollision;
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/** list of nav collision boxes */
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UPROPERTY(EditAnywhere, Category=Navigation)
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TArray<FNavCollisionBox> BoxCollision;
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/** navigation area type that will be use when this static mesh is used as
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* a navigation obstacle. See bIsDynamicObstacle.
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* Empty AreaClass means the default obstacle class will be used */
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UPROPERTY(EditAnywhere, Category = Navigation, meta = (EditCondition = "bIsDynamicObstacle"))
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TSubclassOf<class UNavArea> AreaClass;
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/** If set, convex collisions will be exported offline for faster runtime navmesh building (increases memory usage) */
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UPROPERTY(EditAnywhere, Category=Navigation, config)
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uint32 bGatherConvexGeometry : 1;
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/** If false, will not create nav collision when connecting as a client */
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UPROPERTY(EditAnywhere, Category=Navigation, config)
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uint32 bCreateOnClient : 1;
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/** if set, convex geometry will be rebuild instead of using cooked data */
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uint32 bForceGeometryRebuild : 1;
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/** Guid of associated BodySetup */
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FGuid BodySetupGuid;
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/** Cooked data for each format */
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FFormatContainer CookedFormatData;
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//~ Begin UObject Interface.
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virtual void PostInitProperties() override;
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virtual void Serialize(FArchive& Ar) override;
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virtual void PostLoad() override;
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virtual void GetResourceSizeEx(FResourceSizeEx& CumulativeResourceSize) override;
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virtual bool NeedsLoadForTargetPlatform(const class ITargetPlatform* TargetPlatform) const override;
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virtual bool NeedsLoadForClient() const override { return bCreateOnClient; }
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//~ End UObject Interface.
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FGuid GetGuid() const;
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/** Tries to read data from DDC, and if that fails gathers navigation
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* collision data, stores it and uploads to DDC */
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virtual void Setup(class UBodySetup* BodySetup) override;
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/** copy user settings from other nav collision data */
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void CopyUserSettings(const UNavCollision& OtherData);
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/** show cylinder and box collisions */
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virtual void DrawSimpleGeom(FPrimitiveDrawInterface* PDI, const FTransform& Transform, const FColor Color) override;
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/** Get data for dynamic obstacle */
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virtual void GetNavigationModifier(FCompositeNavModifier& Modifier, const FTransform& LocalToWorld) override;
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/** Export collision data */
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virtual bool ExportGeometry(const FTransform& LocalToWorld, FNavigableGeometryExport& GeoExport) const override;
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/** Read collisions data */
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void GatherCollision();
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#if WITH_EDITOR
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virtual void InvalidateCollision() override;
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#endif // WITH_EDITOR
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protected:
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void ClearCollision();
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#if WITH_EDITOR
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void InvalidatePhysicsData();
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#endif // WITH_EDITOR
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FByteBulkData* GetCookedData(FName Format);
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};
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