public void RunTasks()
{
for (BackTask t = First; t is not null; t = t.Next)
{
t.Action?.Invoke(t);
}
}
public void RemoveAll()
{
for (BackTask t = First; t is not null; t = t.Next)
{
t.Dispose();
}
First = null;
Count = 0;
}
public void RemoveAllWithTag(object tag)
{
for (BackTask t = First; t is not null; t = t.Next)
{
if (t.Tag == tag)
{
Remove(t);
}
}
}
public void RunTasksWithoutTag(object tag)
{
for (BackTask t = First; t is not null; t = t.Next)
{
if (t.Tag != tag)
{
t.Action?.Invoke(t);
}
}
}
public bool TryGetTaskWithTag(object tag, out BackTask task)
{
for (BackTask t = First; t is not null; t = t.Next)
{
if (t.Tag == tag)
{
task = t;
return(true);
}
}
task = default;
return(false);
}
public bool TryGetTask(BackTaskAction action, out BackTask task)
{
for (BackTask t = First; t is not null; t = t.Next)
{
if (t.Action == action)
{
task = t;
return(true);
}
}
task = default;
return(false);
}
private static void Task_FadeBattleBGMToOverworldBGM(BackTask task)
{
var data = (TaskData_Fade)task.Data;
if (!data.Handle.IsFading)
{
SoundMixer.StopChannel(_battleBGM.Channel);
_battleBGM = null;
if (_overworldBGM is not null)
{
// Create overworld bgm fade
_overworldBGM.Channel.BeginFade(1_000, 0f, 1f);
_overworldBGM.Channel.IsPaused = false;
}
_tasks.Remove(task);
}
}
private static void Task_FadeOverworldBGMAndStartNewSong(BackTask task)
{
var data = (TaskData_FadeSongToSong)task.Data;
if (!data.Handle.IsFading)
{
SoundMixer.StopChannel(_overworldBGM.Channel);
if (data.Song == Song.None)
{
_overworldBGM = null;
}
else
{
_overworldBGM = SongToSound(data.Song);
_overworldBGM.Channel = new SoundChannel(_overworldBGM.Wav);
SoundMixer.AddChannel(_overworldBGM.Channel);
}
_tasks.Remove(task);
}
}
public void Add(BackTask task)
{
if (First is null)
{
First = task;
Count = 1;
return;
}
BackTask t = First;
while (true)
{
if (t.Priority > task.Priority)
{
// Found a task with a higher priority, so insert the new one before it
if (t != First)
{
BackTask prev = t.Prev;
task.Prev = prev;
prev.Next = task;
}
t.Prev = task;
task.Next = t;
Count++;
return;
}
// Iterate to next task if there is one
BackTask next = t.Next;
if (next is null)
{
// The new task is the highest priority or tied for it, so it gets placed at the last position
t.Next = task;
task.Prev = t;
Count++;
return;
}
t = next;
}
}
public void Remove(BackTask task)
{
if (task == First)
{
BackTask next = task.Next;
if (next is not null)
{
next.Prev = null;
}
First = next;
}
else
{
BackTask prev = task.Prev;
BackTask next = task.Next;
if (next is not null)
{
next.Prev = prev;
}
prev.Next = next;
}
task.Dispose();
Count--;
}
