61 lines
2.3 KiB
C#
61 lines
2.3 KiB
C#
using UnityEngine;
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#if UNITY_STANDALONE_WIN
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using System.Runtime.InteropServices;
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#endif
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using System;
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namespace GeneralTools
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{
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public class SoundManager : SingletonBaseAttribute<SoundManager>
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{
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#if UNITY_STANDALONE_WIN
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public override void IStart()
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{
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base.IStart();
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KeyDownManager.Instance.AddKeyDownAction(KeyCode.PageUp, () => { SystemVolumeUp(); }, "增加系统音量", false, 0);
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KeyDownManager.Instance.AddKeyDownAction(KeyCode.PageDown, () => { SystemVolumeDown(); }, "降低系统音量", false, 0);
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KeyDownManager.Instance.AddKeyDownAction(KeyCode.Pause, () => { SystemMute(); }, "静音/恢复系统音量", false, 0);
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}
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#region System
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[DllImport("user32.dll")]
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static extern void keybd_event(byte bVk, byte bScan, uint dwFlags, uint dwExtraInfo);
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[DllImport("user32.dll")]
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static extern byte MapVirtualKey(uint uCode, uint uMapType);
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private const byte VK_VOLUME_MUTE = 0xAD;
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private const byte VK_VOLUME_DOWN = 0xAE;
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private const byte VK_VOLUME_UP = 0xAF;
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private const uint KEYEVENTF_EXTENDEDKEY = 0x0001;
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private const uint KEYEVENTF_KEYUP = 0x0002;
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/// <summary>
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/// 改变系统音量大小，增加
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/// </summary>
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public void SystemVolumeUp()
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{
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keybd_event(VK_VOLUME_UP, MapVirtualKey(VK_VOLUME_UP, 0), KEYEVENTF_EXTENDEDKEY, 0);
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keybd_event(VK_VOLUME_UP, MapVirtualKey(VK_VOLUME_UP, 0), KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0);
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}
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/// <summary>
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/// 改变系统音量大小，减小
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/// </summary>
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public void SystemVolumeDown()
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{
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keybd_event(VK_VOLUME_DOWN, MapVirtualKey(VK_VOLUME_DOWN, 0), KEYEVENTF_EXTENDEDKEY, 0);
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keybd_event(VK_VOLUME_DOWN, MapVirtualKey(VK_VOLUME_DOWN, 0), KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0);
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}
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/// <summary>
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/// 改变系统音量大小，静音
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/// </summary>
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public void SystemMute()
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{
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keybd_event(VK_VOLUME_MUTE, MapVirtualKey(VK_VOLUME_MUTE, 0), KEYEVENTF_EXTENDEDKEY, 0);
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keybd_event(VK_VOLUME_MUTE, MapVirtualKey(VK_VOLUME_MUTE, 0), KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0);
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}
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#endregion
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#endif
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}
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} |