ChaosDerivedData.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "DerivedDataPluginInterface.h"
#include "UObject/GCObject.h"
#include "Interface_CollisionDataProviderCore.h"
#include "Templates/UniquePtr.h"
#include "UObject/ObjectPtr.h"
 
struct FBodySetupUVInfo;
struct FCookBodySetupInfo;
 
class UBodySetup;
 
namespace Chaos
{
    class FChaosArchive;
 
    class FImplicitObject;
 
    class FTriangleMeshImplicitObject;
}
 
struct FChaosTriMeshCollisionBuildParameters
{
    bool bCollapseVerts;
 
    FTriMeshCollisionData MeshDesc;
    FBodySetupUVInfo* UVInfo;
};
 
struct FChaosConvexMeshCollisionBuildParameters
{
    bool bCollapseVerts;
    bool bMirror;
};
 
class FChaosDerivedDataCooker : public FDerivedDataPluginInterface
{
public:
 
    using BuildPrecision = float;
 
    // FDerivedDataPluginInterface Interface
    virtual const TCHAR* GetPluginName() const override;
    virtual const TCHAR* GetVersionString() const override;
    virtual FString GetPluginSpecificCacheKeySuffix() const override;
    virtual bool IsBuildThreadsafe() const override;
    virtual bool Build(TArray<uint8>& OutData) override;
    virtual FString GetDebugContextString() const override;
    //End FDerivedDataPluginInterface Interface
 
    FChaosDerivedDataCooker(UBodySetup* InSetup, FName InFormat, bool bUseRefHolder = true);
 
    bool CanBuild()
    {
        return Setup != nullptr;
    }
 
private:
    friend class FChaosDerivedDataCookerRefHolder;
    TObjectPtr<UBodySetup> Setup;
    FName RequestedFormat;
    TUniquePtr<FGCObject> RefHolder;
};