public GameStateMap Pop(PlaybackSpot playbackSpot)
{
var spotFound = false;
var node = rollbackList.First;
while (node != null)
{
if (node.Value.PlaybackSpot == playbackSpot)
{
spotFound = true; break;
}
node = node.Next;
}
if (!spotFound)
{
return(null);
}
while (rollbackList.First != node)
{
Pop();
}
return(Pop());
}
/// <summary>
/// Initializes the backlog message.
/// </summary>
/// <param name="message">Text of the message.</param>
/// <param name="author">Actor ID of the message author.</param>
/// <param name="voiceClipNames">Voice replay clip names associated with the message. Provide null to disable voice replay.</param>
/// <param name="rollbackSpot">Rollback spot associated with the message. Provide <see cref="PlaybackSpot.Invalid"/> to disable rollback.</param>
public virtual void Initialize(string message, string author, IReadOnlyCollection <string> voiceClipNames, PlaybackSpot rollbackSpot)
{
SetMessage(message);
SetAuthor(author);
this.voiceClipNames.Clear();
if (voiceClipNames?.Count > 0)
{
this.voiceClipNames.AddRange(voiceClipNames);
if (PlayVoiceButton)
{
PlayVoiceButton.gameObject.SetActive(true);
}
}
else
{
if (PlayVoiceButton)
{
PlayVoiceButton.gameObject.SetActive(false);
}
}
this.rollbackSpot = rollbackSpot;
var canRollback = rollbackSpot.Valid && stateManager.CanRollbackTo(s => s.PlaybackSpot == rollbackSpot);
if (RollbackButton)
{
RollbackButton.gameObject.SetActive(canRollback);
}
}
public BacklogMessageState(string messageText, string actorNameText,
IEnumerable <string> voiceClipNames, PlaybackSpot rollbackSpot)
{
this.messageText = messageText;
this.actorNameText = actorNameText;
this.voiceClipNames = voiceClipNames?.ToArray();
this.rollbackSpot = rollbackSpot;
}
public int IndexOf(PlaybackSpot playbackSpot)
{
for (int i = 0; i < Count; i++)
{
if (this[i].PlaybackSpot == playbackSpot)
{
return(i);
}
}
return(-1);
}
/// <summary>
/// Attempts to rollback (revert) all the engine services to a state they had at the provided playback spot.
/// Has no effect when the rollback feature is disabled.
/// </summary>
/// <param name="playbackSpot">The playback spot to revert to.</param>
/// <returns>Whether the provided playback spot was found in the rollback stack and the operation succeeded.</returns>
public async Task <bool> RollbackAsync(PlaybackSpot playbackSpot)
{
var state = rollbackStateStack.Pop(playbackSpot);
if (state is null)
{
return(false);
}
await RollbackToStateAsync(state);
return(true);
}
/// <summary>
/// Initializes the backlog message.
/// </summary>
/// <param name="message">Text of the message.</param>
/// <param name="authorName">Name of the message author.</param>
/// <param name="voiceClipNames">Voice replay clip names associated with the message. Provide null to disable voice replay.</param>
/// <param name="rollbackSpot">Rollback spot associated with the message. Provide <see cref="PlaybackSpot.Invalid"/> to disable rollback.</param>
public virtual void Initialize(string message, string authorName, List <string> voiceClipNames, PlaybackSpot rollbackSpot)
{
MessageText.text = message;
if (string.IsNullOrWhiteSpace(authorName))
{
ActorNameText.text = null;
ActorNameText.transform.parent.gameObject.SetActive(false);
}
else
{
ActorNameText.text = authorName;
ActorNameText.transform.parent.gameObject.SetActive(true);
}
this.voiceClipNames.Clear();
if (voiceClipNames?.Count > 0)
{
this.voiceClipNames.AddRange(voiceClipNames);
if (PlayVoiceButton)
{
PlayVoiceButton.gameObject.SetActive(true);
}
}
else
{
if (PlayVoiceButton)
{
PlayVoiceButton.gameObject.SetActive(false);
}
}
this.rollbackSpot = rollbackSpot;
var canRollback = rollbackSpot.Valid && stateManager.CanRollbackTo(s => s.PlaybackSpot == rollbackSpot);
if (RollbackButton)
{
RollbackButton.gameObject.SetActive(canRollback);
}
}
public static string GetAutoVoiceClipPath(PlaybackSpot playbackSpot)
{
return(string.Format(AutoVoiceClipNameTemplate, playbackSpot.ScriptName, playbackSpot.LineNumber, playbackSpot.InlineIndex));
}
public DynamicValue(PlaybackSpot playbackSpot, string valueText, IEnumerable <string> expressions)
{
PlaybackSpot = playbackSpot;
ValueText = valueText;
Expressions = expressions.ToArray();
}
/// <summary>
/// Depending on whether the provided <paramref name="lineIndex"/> being before or after currently played command' line index,
/// performs a fast-forward playback or state rollback of the currently loaded script.
/// </summary>
/// <param name="lineIndex">The line index to rewind at.</param>
/// <param name="inlineIndex">The inline index to rewind at.</param>
/// <param name="resumePlayback">Whether to resume script playback after the rewind.</param>
/// <returns>Whether the <paramref name="lineIndex"/> has been reached.</returns>
public async Task <bool> RewindAsync(int lineIndex, int inlineIndex = 0, bool resumePlayback = true)
{
if (IsPlaying)
{
Stop();
}
if (PlayedCommand is null)
{
Debug.LogError("Script player failed to rewind: played command is not valid.");
if (resumePlayback)
{
Play();
}
return(false);
}
var targetCommand = Playlist.GetFirstCommandAfterLine(lineIndex, inlineIndex);
if (targetCommand is null)
{
Debug.LogError($"Script player failed to rewind: target line index ({lineIndex}) is not valid for `{PlayedScript.Name}` script.");
if (resumePlayback)
{
Play();
}
return(false);
}
var targetPlaylistIndex = Playlist.IndexOf(targetCommand);
if (targetPlaylistIndex == PlayedIndex)
{
if (resumePlayback)
{
Play();
}
return(true);
}
DisableAutoPlay();
DisableSkip();
DisableWaitingForInput();
playRoutineCTS = new CancellationTokenSource();
var cancellationToken = playRoutineCTS.Token;
bool result;
if (targetPlaylistIndex > PlayedIndex)
{
result = await FastForwardRoutineAsync(cancellationToken, targetPlaylistIndex);
}
else
{
var targetSpot = new PlaybackSpot(PlayedScript.Name, lineIndex, inlineIndex);
result = await stateManager.RollbackAsync(targetSpot);
}
if (resumePlayback)
{
Play();
}
else
{
Stop();
}
return(result);
}
