using System.Collections;
using System.Collections.Generic;
using UnityEngine;

namespace MoreMountains.Tools
{
    /// <summary>
    /// This event will let you order the MMSoundManager to fade an entire track's sounds' volume towards the specified FinalVolume
    ///
    /// Example : MMSoundManagerTrackFadeEvent.Trigger(MMSoundManager.MMSoundManagerTracks.Music, 2f, 0.5f, new MMTweenType(MMTween.MMTweenCurve.EaseInCubic));
    /// will fade the volume of the music track towards 0.5, over 2 seconds, using an ease in cubic tween 
    /// </summary>
    public struct MMSoundManagerTrackFadeEvent
    {
        /// the track to fade the volume of
        public MMSoundManager.MMSoundManagerTracks Track;
        /// the duration of the fade, in seconds
        public float FadeDuration;
        /// the final volume to fade towards
        public float FinalVolume;
        /// the tween to use when fading
        public MMTweenType FadeTween;
        
        public MMSoundManagerTrackFadeEvent(MMSoundManager.MMSoundManagerTracks track, float fadeDuration, float finalVolume, MMTweenType fadeTween)
        {
            Track = track;
            FadeDuration = fadeDuration;
            FinalVolume = finalVolume;
            FadeTween = fadeTween;
        }

        static MMSoundManagerTrackFadeEvent e;
        public static void Trigger(MMSoundManager.MMSoundManagerTracks track, float fadeDuration, float finalVolume, MMTweenType fadeTween)
        {
            e.Track = track;
            e.FadeDuration = fadeDuration;
            e.FinalVolume = finalVolume;
            e.FadeTween = fadeTween;
            MMEventManager.TriggerEvent(e);
        }
    }
}