PawnIterator.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "EngineUtils.h"
#include "GameFramework/Pawn.h"
 
struct FPawnIteratorObject
{
    APawn* operator->() const { return Pawn; }
    APawn& operator*() const { return *Pawn; }
    APawn* Get() const { return Pawn; }
 
    bool operator==(const UObject* Other) const { return Pawn == Other; }
    bool operator!=(const UObject* Other) const { return Pawn != Other; }
 
private:
    FPawnIteratorObject()
        : Pawn(nullptr)
    {
    }
 
    FPawnIteratorObject(APawn* InPawn)
        : Pawn(InPawn)
    {
    }
 
    APawn* Pawn;
 
    friend class FConstPawnIterator;
};
 
template< class T > inline T* Cast(const FPawnIteratorObject& Src) { return Cast<T>(Src.Get()); }
 
class FConstPawnIterator
{
private:
    ENGINE_API FConstPawnIterator(UWorld* World);
 
public:
    ENGINE_API ~FConstPawnIterator();
 
    ENGINE_API FConstPawnIterator(FConstPawnIterator&&);
    ENGINE_API FConstPawnIterator& operator=(FConstPawnIterator&&);
 
    ENGINE_API explicit operator bool() const;
    ENGINE_API FPawnIteratorObject operator*() const;
    ENGINE_API TUniquePtr<FPawnIteratorObject> operator->() const;
 
    ENGINE_API FConstPawnIterator& operator++();
    ENGINE_API FConstPawnIterator& operator++(int);
 
private:
    TUniquePtr<TActorIterator<APawn>> Iterator;
 
    friend UWorld;
};