/*
 *  Author: Needles
 *  https://steamcommunity.com/profiles/76561198026257137/
 */

 ::Debug.Print("*** FADE");



::Fade <- {};

::Fade.ENT_FADE_IN <- SpawnEntityFromTable("env_fade", {
    duration        = 1.0,
    holdtime        = 1.0,
    renderamt       = 255,
    rendercolor     = "255 255 255",
    spawnflags      = 8,    //  Fade in, hold forever
});

::Fade.ENT_FADE_OUT <- SpawnEntityFromTable("env_fade", {
    duration        = 1.0,
    holdtime        = 1.0,
    renderamt       = 255,
    rendercolor     = "255 255 255",
    spawnflags      = 1,    //  Fade out
});

::Fade.timer_onFade <- null;
::Fade.timer_onFadeFull <- null;

::Fade.event_onFade <- ::Events.Event();
::Fade.event_onFadeFull <- ::Events.Event();



function Fade::Fade(color, fadeInTime, holdTime, fadeOutTime)
{
    //  The fade in question
    
    EntFireByHandle(::Fade.ENT_FADE_IN, "Color", "" + color.r + " " + color.g + " " + color.b, -1.0, null, null);
    EntFireByHandle(::Fade.ENT_FADE_IN, "Alpha", "" + color.a, -1.0, null, null);
    EntFireByHandle(::Fade.ENT_FADE_IN, "AddOutput", "duration " + fadeInTime, -1.0, null, null);
    EntFireByHandle(::Fade.ENT_FADE_IN, "AddOutput", "holdtime " + holdTime, -1.0, null, null);

    EntFireByHandle(::Fade.ENT_FADE_OUT, "Color", "" + color.r + " " + color.g + " " + color.b, -1.0, null, null);
    EntFireByHandle(::Fade.ENT_FADE_OUT, "Alpha", "" + color.a, -1.0, null, null);
    EntFireByHandle(::Fade.ENT_FADE_OUT, "AddOutput", "duration " + fadeOutTime, -1.0, null, null);
    EntFireByHandle(::Fade.ENT_FADE_OUT, "AddOutput", "holdtime " + holdTime, -1.0, null, null);

    EntFireByHandle(::Fade.ENT_FADE_IN, "Fade", "", 0.0, null, null);
    EntFireByHandle(::Fade.ENT_FADE_OUT, "Fade", "", fadeInTime + holdTime, null, null);

    ::Debug.Print("*** FADE - Fade started");

    //  Reset timers

    if (::Fade.timer_onFade == null)
        ::Timers.RemoveTimer(::Fade.timer_onFade);
    if (::Fade.timer_onFadeFull == null)
        ::Timers.RemoveTimer(::Fade.timer_onFadeFull);

    //  Fire events

    ::Timers.AddTimer(fadeInTime,
        function(params)
        {
            ::Debug.Print("*** FADE - Fade event fired");
            ::Fade.event_onFade.FireListeners({});
        });

    ::Timers.AddTimer(fadeInTime + holdTime + fadeOutTime,
        function(params)
        {
            ::Debug.Print("*** FADE - Fade event fired");
            ::Fade.event_onFadeFull.FireListeners({});
        });
}