Files
UnrealEngine/Engine/Source/Runtime/AugmentedReality/Public/ARSharedWorldGameState.h
2025-05-18 13:04:45 +08:00

76 lines
2.5 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "CoreMinimal.h"
#include "GameFramework/GameState.h"
#include "ARSharedWorldGameState.generated.h"
UCLASS(BlueprintType)
class AUGMENTEDREALITY_API AARSharedWorldGameState :
public AGameState
{
GENERATED_UCLASS_BODY()
public:
/** Each client and the host have a copy of the shared world data */
UPROPERTY(BlueprintReadOnly, Category="AR Shared World")
/** The image taken at the time of world saving for use when aligning the AR world later in the session */
TArray<uint8> PreviewImageData;
/** Each client and the host have a copy of the shared world data */
UPROPERTY(BlueprintReadOnly, Category="AR Shared World")
TArray<uint8> ARWorldData;
/** The size of the image that will be replicated to each client */
UPROPERTY(BlueprintReadOnly, Category="AR Shared World")
int32 PreviewImageBytesTotal;
/** The size of the AR world data that will be replicated to each client */
UPROPERTY(BlueprintReadOnly, Category="AR Shared World")
int32 ARWorldBytesTotal;
/** The amount of the preview image data that has been replicated to this client so far */
UPROPERTY(BlueprintReadOnly, Category="AR Shared World")
int32 PreviewImageBytesDelivered;
/** The amount of the AR world data that has been replicated to this client so far */
UPROPERTY(BlueprintReadOnly, Category="AR Shared World")
int32 ARWorldBytesDelivered;
/**
* Used to setup the initial values and size the arrays (client)
*
* @param PreviewImageSize the total size in bytes of the image data that will be sent
* @param ARWorldDataSize the total size in bytes of the AR world data that will be sent
*/
void InitSharedWorld(int32 PreviewImageSize, int32 ARWorldDataSize);
/**
* Copies the buffer into the image data (client)
*
* @param Offset where in the buffer to start the copying
* @param Buffer the chunk of data to copy
* @param BufferSize the amount of data to copy
*/
void UpdatePreviewImageData(int32 Offset, const uint8* Buffer, int32 Size);
/**
* Copies the buffer into the AR world data (client)
*
* @param Offset where in the buffer to start the copying
* @param Buffer the chunk of data to copy
* @param BufferSize the amount of data to copy
*/
void UpdateARWorldData(int32 Offset, const uint8* Buffer, int32 Size);
UFUNCTION(BlueprintImplementableEvent, Category="AR Shared World", meta = (DisplayName = "OnARWorldMapIsReady", ScriptName = "OnARWorldMapIsReady"))
void K2_OnARWorldMapIsReady();
private:
void TriggerCompletionIfDone();
bool bFiredCompletionEvent;
};