如何在Lua中发送键盘按下与抬起事件?
自动触发E键操作的整蛊脚本实现
下面分不同场景给出具体实现方案,直接模拟E键的按下/抬起事件,或者直接调用交互逻辑来达到整蛊效果:
Unity 平台实现
方式1:直接调用交互逻辑(更稳定,无需模拟系统按键)
如果你的玩家交互逻辑已经封装成方法(比如开门、上车的统一触发方法),可以直接循环调用该方法:
using UnityEngine; using System.Threading; public class TrollInteraction : MonoBehaviour { public float toggleDelay = 1f; // 两次操作的间隔时间 private bool isRunning = true; void Start() { // 开启后台线程循环触发 new Thread(() => { while (isRunning) { // 调用玩家的交互方法(替换成你项目里的实际方法) PlayerController.Instance.TriggerInteraction(); Thread.Sleep((int)(toggleDelay * 1000)); } }).Start(); } void OnDestroy() { isRunning = false; } }
注:假设玩家交互逻辑在PlayerController单例类的TriggerInteraction()方法中
方式2:模拟系统级E键输入(适用于需要真实按键事件的场景)
通过Windows API直接模拟E键的按下和抬起动作:
using UnityEngine; using System.Runtime.InteropServices; using System.Threading; public class TrollKeySimulator : MonoBehaviour { public float interval = 0.8f; private bool running = true; [DllImport("user32.dll")] private static extern void keybd_event(byte bVk, byte bScan, uint dwFlags, uint dwExtraInfo); private const byte VK_E = 0x45; private const uint KEY_DOWN = 0x0000; private const uint KEY_UP = 0x0002; void Start() { new Thread(() => { while (running) { // 按下E键 keybd_event(VK_E, 0, KEY_DOWN, 0); Thread.Sleep(100); // 保持按键按下100毫秒 // 抬起E键 keybd_event(VK_E, 0, KEY_UP, 0); Thread.Sleep((int)(interval * 1000)); } }).Start(); } void OnDestroy() { running = false; } }
Unreal Engine 平台实现
方式1:直接调用交互函数
在C++中通过定时器循环触发玩家交互逻辑:
#include "TrollActor.h" #include "Kismet/GameplayStatics.h" #include "PlayerCharacter.h" ATrollActor::ATrollActor() { PrimaryActorTick.bCanEverTick = false; } void ATrollActor::BeginPlay() { Super::BeginPlay(); // 设置定时器,每1秒触发一次交互 GetWorld()->GetTimerManager().SetTimer(TrollTimer, this, &ATrollActor::TriggerPlayerInteraction, 1.0f, true); } void ATrollActor::TriggerPlayerInteraction() { APlayerCharacter* Player = Cast<APlayerCharacter>(UGameplayStatics::GetPlayerCharacter(GetWorld(), 0)); if (Player) { Player->PerformInteraction(); // 调用玩家的交互方法 } } void ATrollActor::EndPlay(const EEndPlayReason::Type EndPlayReason) { GetWorld()->GetTimerManager().ClearTimer(TrollTimer); Super::EndPlay(EndPlayReason); }
方式2:模拟系统按键
通过Windows API在UE中模拟E键输入:
#include "TrollKeySender.h" #include "Windows/WindowsHWrapper.h" ATrollKeySender::ATrollKeySender() { PrimaryActorTick.bCanEverTick = false; } void ATrollKeySender::BeginPlay() { Super::BeginPlay(); GetWorld()->GetTimerManager().SetTimer(KeyTimer, this, &ATrollKeySender::SimulateEKey, 0.8f, true); } void ATrollKeySender::SimulateEKey() { // 按下E键 keybd_event(0x45, 0, 0, 0); FPlatformProcess::Sleep(0.1f); // 抬起E键 keybd_event(0x45, 0, KEYEVENTF_KEYUP, 0); } void ATrollKeySender::EndPlay(const EEndPlayReason::Type EndPlayReason) { GetWorld()->GetTimerManager().ClearTimer(KeyTimer); Super::EndPlay(EndPlayReason); }
外部脚本方案(AutoHotkey,适用所有PC游戏)
无需修改游戏代码,用AutoHotkey编写脚本直接模拟按键:
SetTimer, TriggerE, 800 ; 每800毫秒触发一次E键操作 return TriggerE: Send {E down} Sleep 100 Send {E up} return Esc::ExitApp ; 按ESC键停止脚本
将代码保存为.ahk格式文件,安装AutoHotkey后运行即可
内容的提问来源于stack exchange,提问作者Leo Cheng SC
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