PhysicsReplicationLODInterface.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "Chaos/PhysicsObject.h"
#include "Engine/EngineTypes.h"
 
class UPrimitiveComponent;
class IPhysicsReplicationLODAsync;
 
class IPhysicsReplicationLOD // Game Thread API
{
public:
    virtual ~IPhysicsReplicationLOD() { }
 
    virtual void SetEnabled(const bool bInEnabled) = 0;
    virtual bool IsEnabled() const = 0;
 
    virtual void RegisterFocalPoint_External(const UPrimitiveComponent* Component, FName BoneName = NAME_None) = 0;
    virtual void UnregisterFocalPoint_External(const UPrimitiveComponent* Component, FName BoneName = NAME_None) = 0;
    virtual void RegisterFocalPoint_External(Chaos::FConstPhysicsObjectHandle PhysicsObject) = 0;
    virtual void UnregisterFocalPoint_External(Chaos::FConstPhysicsObjectHandle PhysicsObject) = 0;
 
    virtual IPhysicsReplicationLODAsync* GetPhysicsReplicationLOD_Internal() = 0;
};
 
struct FPhysicsRepLodData
{
    FPhysicsRepLodData()
    : DataAssigned(false)
    , AlignedTime(0.0f)
    , AlignedFrame(0)
    , ReplicationMode(EPhysicsReplicationMode::PredictiveInterpolation)
    , bKinematic(false)
    {};
 
    bool DataAssigned;
    float AlignedTime;
    int32 AlignedFrame;
    EPhysicsReplicationMode ReplicationMode;
    bool bKinematic;
 
    void Reset()
    {
        DataAssigned = false;
        AlignedTime = 0.0f;
        AlignedFrame = 0;
        ReplicationMode = EPhysicsReplicationMode::PredictiveInterpolation;
        bKinematic = false;
    }
};
 
class IPhysicsReplicationLODAsync // Physics Thread API
{
public:
    virtual ~IPhysicsReplicationLODAsync() { }
 
    virtual bool IsEnabled() const = 0;
 
    virtual void RegisterFocalPoint_Internal(Chaos::FConstPhysicsObjectHandle PhysicsObject) = 0;
    virtual void UnregisterFocalPoint_Internal(Chaos::FConstPhysicsObjectHandle PhysicsObject) = 0;
 
    virtual FPhysicsRepLodData* GetLODData_Internal(Chaos::FConstPhysicsObjectHandle PhysicsObject, const uint32 LODFlags = UINT_MAX) = 0;
};