UE5中一机一码功能

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UE5中一机一码功能

创建蓝图函数库

1、获取第一个有效的硬盘ID

// Fill out your copyright notice in the Description page of Project Settings.#pragma once#include "CoreMinimal.h"
#include "Kismet/BlueprintFunctionLibrary.h"
#include "GetDiskIDClass.generated.h"/*** */
UCLASS()
class OPENTEST_API UGetDiskIDClass : public UBlueprintFunctionLibrary
{GENERATED_BODY()
public:UFUNCTION(BlueprintCallable)static FString GetFirstDiskID();
};

// Fill out your copyright notice in the Description page of Project Settings.#include "GetDiskIDClass.h"#include <comutil.h>FString UGetDiskIDClass::GetFirstDiskID()
{FString SerialNumber;for (int DriveNumber = 0; DriveNumber < 16; ++DriveNumber) {FString Drive = FString::Printf(TEXT("\\\\.\\PhysicalDrive%d"), DriveNumber);HANDLE hDevice = CreateFile(*Drive, 0, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL);if (hDevice != INVALID_HANDLE_VALUE) {STORAGE_PROPERTY_QUERY storageQuery;memset(&storageQuery, 0, sizeof(storageQuery));storageQuery.PropertyId = StorageDeviceProperty;storageQuery.QueryType = PropertyStandardQuery;BYTE buffer[4096];DWORD bytesReturned = 0;if (DeviceIoControl(hDevice, IOCTL_STORAGE_QUERY_PROPERTY, &storageQuery, sizeof(storageQuery), &buffer, sizeof(buffer), &bytesReturned, NULL)) {STORAGE_DESCRIPTOR_HEADER* header = (STORAGE_DESCRIPTOR_HEADER*)buffer;if (header->Size > 0 && header->Size <= bytesReturned) {STORAGE_DEVICE_DESCRIPTOR* deviceDescriptor = (STORAGE_DEVICE_DESCRIPTOR*)buffer;if (deviceDescriptor->SerialNumberOffset > 0) {SerialNumber = FString(ANSI_TO_TCHAR((char*)deviceDescriptor + deviceDescriptor->SerialNumberOffset));}}}CloseHandle(hDevice);if (!SerialNumber.IsEmpty()) {return SerialNumber;}}}// 如果没有找到有效的硬盘ID，返回一个空字符串return FString("");
}<