AnimSubsystem.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "AnimSubsystem.generated.h"
 
class UAnimInstance;
struct FAnimSubsystem;
struct FAnimSubsystemInstance;
struct FAnimInstanceProxy;
class IAnimClassInterface;
 
struct FAnimSubsystemContext
{
    FAnimSubsystemContext(const FAnimSubsystem& InSubsystem, const UScriptStruct* InSubsystemStruct)
        : Subsystem(InSubsystem)
        , SubsystemStruct(InSubsystemStruct)
    {}
    
    const FAnimSubsystem& Subsystem;
    const UScriptStruct* SubsystemStruct;
};
 
struct FAnimSubsystemInstanceContext
{
    FAnimSubsystemInstanceContext(const FAnimSubsystem& InSubsystem, const UScriptStruct* InSubsystemStruct, FAnimSubsystemInstance& InSubsystemInstance, const UScriptStruct* InSubsystemInstanceStruct)
        : Subsystem(InSubsystem)
        , SubsystemStruct(InSubsystemStruct)
        , SubsystemInstance(InSubsystemInstance)
        , SubsystemInstanceStruct(InSubsystemInstanceStruct)
    {}
    
    const FAnimSubsystem& Subsystem;
    const UScriptStruct* SubsystemStruct;
    FAnimSubsystemInstance& SubsystemInstance;
    const UScriptStruct* SubsystemInstanceStruct;
};
 
struct FAnimSubsystemUpdateContext
{
    FAnimSubsystemUpdateContext(const FAnimSubsystemInstanceContext& InContext, UAnimInstance* InAnimInstance, float InDeltaTime)
        : InnerContext(InContext)
        , AnimInstance(InAnimInstance)
        , DeltaTime(InDeltaTime)
    {}
 
    const FAnimSubsystemInstanceContext& InnerContext;
    UAnimInstance* AnimInstance;
    float DeltaTime;
};
 
struct FAnimSubsystemParallelUpdateContext
{
    FAnimSubsystemParallelUpdateContext(const FAnimSubsystemInstanceContext& InContext, FAnimInstanceProxy& InProxy, float InDeltaTime)
        : InnerContext(InContext)
        , Proxy(InProxy)
        , DeltaTime(InDeltaTime)
    {}
 
    const FAnimSubsystemInstanceContext& InnerContext;
    FAnimInstanceProxy& Proxy;
    float DeltaTime;
};
 
struct FAnimSubsystemPostLoadContext
{
    FAnimSubsystemPostLoadContext(const FAnimSubsystemContext& InContext, IAnimClassInterface& InAnimClassInterface)
        : InnerContext(InContext)
        , AnimClassInterface(InAnimClassInterface)
    {}
 
    const FAnimSubsystemContext& InnerContext;
    IAnimClassInterface& AnimClassInterface;
};
 
struct FAnimSubsystemPostLoadDefaultsContext
{
    FAnimSubsystemPostLoadDefaultsContext(const FAnimSubsystemInstanceContext& InContext, UObject* InDefaultAnimInstance)
        : InnerContext(InContext)
        , DefaultAnimInstance(InDefaultAnimInstance)
    {}
 
    const FAnimSubsystemInstanceContext& InnerContext;
    UObject* DefaultAnimInstance;
};
 
struct FAnimSubsystemLinkContext
{
    FAnimSubsystemLinkContext(const FAnimSubsystemContext& InContext, IAnimClassInterface& InAnimClassInterface)
        : InnerContext(InContext)
        , AnimClassInterface(InAnimClassInterface)
    {}
 
    const FAnimSubsystemContext& InnerContext;
    IAnimClassInterface& AnimClassInterface;
};
 
USTRUCT()
struct FAnimSubsystem
{
    GENERATED_BODY()
 
    
    virtual ~FAnimSubsystem() = default;
 
    virtual void OnPreUpdate_GameThread(FAnimSubsystemUpdateContext& InContext) const {}
 
    virtual void OnPostUpdate_GameThread(FAnimSubsystemUpdateContext& InContext) const {}
 
    virtual void OnPreUpdate_WorkerThread(FAnimSubsystemParallelUpdateContext& InContext) const {}
 
    virtual void OnPostUpdate_WorkerThread(FAnimSubsystemParallelUpdateContext& InContext) const {} 
 
    virtual void OnPostLoadDefaults(FAnimSubsystemPostLoadDefaultsContext& InContext) {}
    
    virtual void OnPostLoad(FAnimSubsystemPostLoadContext& InContext) {}
 
#if WITH_EDITORONLY_DATA
    virtual void OnLink(FAnimSubsystemLinkContext& InContext) {}
#endif
};