AdvancedCharacterMovement.h

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// Copyright Blue Isle Studios Inc 2018. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "GameFramework/CharacterMovementComponent.h"
#include "AdvancedCharacterMovement.generated.h"
 
UCLASS()
class PROJECTX_API UAdvancedCharacterMovement : public UCharacterMovementComponent
{
    GENERATED_UCLASS_BODY()
    
public:
    UFUNCTION(BlueprintCallable, Category = "Pawn|Components|CharacterMovement")
    virtual void GetProxyMovementComponents(TArray<class UProxyMovementComponent*>& ProxyMovementComponents) const;
 
    virtual FNetworkPredictionData_Client* GetPredictionData_Client() const override;
    virtual FNetworkPredictionData_Server* GetPredictionData_Server() const override;
 
    virtual void AddProxy(class UProxyMovementComponent* ProxyMovementComponents);
    virtual void RemovedProxy(class UProxyMovementComponent* ProxyMovementComponents);
 
protected:
    virtual void PerformMovement(float DeltaTime) override;
    virtual void UpdateFromCompressedFlags(uint8 Flags) override;
 
protected:
    UPROPERTY()
    TArray<TWeakObjectPtr<class UProxyMovementComponent>> ProxyList;
};
 
class PROJECTX_API FNetworkPredictionData_Client_AdvCharacter : public FNetworkPredictionData_Client_Character
{
public:
    FNetworkPredictionData_Client_AdvCharacter(const UCharacterMovementComponent& ClientMovement);
 
    virtual FSavedMovePtr AllocateNewMove() override;
};
 
class PROJECTX_API FNetworkPredictionData_Server_AdvCharacter : public FNetworkPredictionData_Server_Character
{
public:
    FNetworkPredictionData_Server_AdvCharacter(const UCharacterMovementComponent& ServerMovement);
};
 
class PROJECTX_API FSavedMove_AdvCharacter : public FSavedMove_Character
{
public:
    FSavedMove_AdvCharacter();
 
public:
    uint8 bIsUsingJetPack : 1;
    uint8 bIsUsingDash : 1;
    uint8 bIsUsingHookshot : 1;
    uint8 bIsUsingOmniDash : 1;
    uint8 bIsUsingAutoClamber : 1;
    
//~ Begin FSavedMove_Character Interface.
    virtual void Clear() override;
    virtual void SetMoveFor(ACharacter* Character, float InDeltaTime, FVector const& NewAccel, class FNetworkPredictionData_Client_Character & ClientData) override;
    virtual void SetInitialPosition(ACharacter* Character) override;
    virtual bool IsImportantMove(const FSavedMovePtr& LastAckedMove) const override;
    virtual FVector GetRevertedLocation() const override;
    virtual void PostUpdate(ACharacter* Character, EPostUpdateMode PostUpdateMode) override;
    virtual bool CanCombineWith(const FSavedMovePtr& NewMove, ACharacter* InPawn, float MaxDelta) const override;
    virtual void PrepMoveFor(ACharacter* Character) override;
    virtual uint8 GetCompressedFlags() const override;
//~ End FSavedMove_Character Interface.
};
 
UCLASS()
class PROJECTX_API UProxyMovementComponent : public UActorComponent
{
    GENERATED_UCLASS_BODY()
 
//~ Begin UActorComponent Interface.
public:
    virtual void BeginPlay() override;
    virtual void EndPlay(const EEndPlayReason::Type EndPlayReason) override;
//~ End UActorComponent Interface.
 
public:
    //Called by FSavedMove_AdvCharacter::SetMoveFor to store information about the current move for future use (replication and move prediction/correction)
    virtual void ModifySavedMove(FSavedMove_AdvCharacter& SavedMove);
    //Called by UAdvancedCharacterMovement::UpdateFromCompressedFlags to update a component based on move flags from the current move.
    virtual void UpdateFromCompressedFlags(uint8 Flags);
    //Called by UAdvancedCharacterMovement::PerformMovement. Is called before the Super::PerformMovement is called.
    virtual void PerformMovement(float DeltaTime);
 
    //Called by UAdvancedCharacterMovement::PrepMoveFor right before a replayed move occurs. Allows this movement effect to put itself into a state to replay a specified move.
    virtual void PrepareMoveFromSave(const FSavedMove_AdvCharacter& SavedMove);
    //Called  by UAdvancedCharacterMovement::PostUpdate right after a move occurs. Allows this movement effect to clean itself up after putting itself into a state to replay a specified move.
    virtual void PostUpdate();
 
    //Returns true if this proxy movement component is in a replaying move state.
    UFUNCTION(BlueprintCallable, Category = Movement)
    FORCEINLINE bool IsReplay() const { return bIsReplayingMoves; }
 
public:
    static void GetProxyMovementComponents(ACharacter* Character, TArray<UProxyMovementComponent*>& Components);
 
protected:
    UPROPERTY()
    UAdvancedCharacterMovement* OwningComponent = NULL;
 
private:
    bool bIsReplayingMoves = false;
};