BizHawk/BizHawk.Client.Common/movie/tasproj/TasMovie.cs

607 lines
14 KiB
C#

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Globalization;
using System.IO;
using System.Linq;
using BizHawk.Emulation.Common;
using BizHawk.Emulation.Common.IEmulatorExtensions;
namespace BizHawk.Client.Common
{
public sealed partial class TasMovie : Bk2Movie, INotifyPropertyChanged
{
private readonly Bk2MnemonicConstants _mnemonics = new Bk2MnemonicConstants();
private readonly IStateManager _stateManager;
private readonly TasLagLog _lagLog = new TasLagLog();
private readonly Dictionary<int, IController> _inputStateCache = new Dictionary<int, IController>();
private BackgroundWorker _progressReportWorker;
public readonly IStringLog VerificationLog = StringLogUtil.MakeStringLog(); // For movies that do not begin with power-on, this is the input required to get into the initial state
public readonly TasBranchCollection Branches = new TasBranchCollection();
public readonly TasSession Session;
public new const string Extension = "tasproj";
public const string DefaultProjectName = "default";
public string NewBranchText { get; set; } = "";
public int LastEditedFrame { get; set; } = -1;
public bool LastPositionStable { get; set; } = true;
public TasMovieMarkerList Markers { get; private set; }
public bool BindMarkersToInput { get; set; }
public bool UseInputCache { get; set; }
public int CurrentBranch { get; set; }
public TasLagLog TasLagLog => _lagLog;
public IStringLog InputLog => Log;
public int BranchCount => Branches.Count;
public int LastStatedFrame => _stateManager.LastStatedFrame;
public override string PreferredExtension => Extension;
public IStateManager TasStateManager => _stateManager;
public TasMovieRecord this[int index] => new TasMovieRecord
{
// State = StateManager[index],
HasState = _stateManager.HasState(index),
LogEntry = GetInputLogEntry(index),
Lagged = _lagLog[index + 1],
WasLagged = _lagLog.History(index + 1)
};
public TasMovie(string path, bool startsFromSavestate = false, BackgroundWorker progressReportWorker = null)
: base(path)
{
// TODO: how to call the default constructor AND the base(path) constructor? And is base(path) calling base() ?
_progressReportWorker = progressReportWorker;
if (!Global.Emulator.HasSavestates())
{
throw new InvalidOperationException($"Cannot create a {nameof(TasMovie)} against a core that does not implement {nameof(IStatable)}");
}
ChangeLog = new TasMovieChangeLog(this);
_stateManager = new TasStateManager(this);
Session = new TasSession(this);
Header[HeaderKeys.MOVIEVERSION] = "BizHawk v2.0 Tasproj v1.0";
Markers = new TasMovieMarkerList(this);
Markers.CollectionChanged += Markers_CollectionChanged;
Markers.Add(0, startsFromSavestate ? "Savestate" : "Power on");
BindMarkersToInput = false;
CurrentBranch = -1;
}
public TasMovie(bool startsFromSavestate = false, BackgroundWorker progressReportWorker = null)
{
_progressReportWorker = progressReportWorker;
if (!Global.Emulator.HasSavestates())
{
throw new InvalidOperationException($"Cannot create a {nameof(TasMovie)} against a core that does not implement {nameof(IStatable)}");
}
ChangeLog = new TasMovieChangeLog(this);
_stateManager = new TasStateManager(this);
Session = new TasSession(this);
Header[HeaderKeys.MOVIEVERSION] = "BizHawk v2.0 Tasproj v1.0";
Markers = new TasMovieMarkerList(this);
Markers.CollectionChanged += Markers_CollectionChanged;
Markers.Add(0, startsFromSavestate ? "Savestate" : "Power on");
BindMarkersToInput = false;
CurrentBranch = -1;
}
public void NewBGWorker(BackgroundWorker newWorker)
{
_progressReportWorker = newWorker;
}
public void ReportProgress(double percent)
{
if (percent > 100d)
{
return;
}
_progressReportWorker?.ReportProgress((int)percent);
}
// TODO: use LogGenerators rather than string comparisons
private int? DivergentPoint(IStringLog currentLog, IStringLog newLog)
{
int max = newLog.Count;
if (currentLog.Count < newLog.Count)
{
max = currentLog.Count;
}
for (int i = 0; i < max; i++)
{
if (newLog[i] != currentLog[i])
{
return i;
}
}
return null;
}
public override void StartNewRecording()
{
ClearTasprojExtras();
Markers.Add(0, StartsFromSavestate ? "Savestate" : "Power on");
ChangeLog = new TasMovieChangeLog(this);
base.StartNewRecording();
}
public override void SwitchToPlay()
{
Mode = Moviemode.Play;
}
public override void SwitchToRecord()
{
Mode = Moviemode.Record;
}
/// <summary>
/// Removes lag log and greenzone after this frame
/// </summary>
/// <param name="frame">The last frame that can be valid.</param>
private void InvalidateAfter(int frame)
{
var anyInvalidated = _lagLog.RemoveFrom(frame);
_stateManager.Invalidate(frame + 1);
Changes = anyInvalidated;
LastEditedFrame = frame;
if (anyInvalidated && Global.MovieSession.Movie.IsCountingRerecords)
{
Rerecords++;
}
}
/// <summary>
/// Returns the mnemonic value for boolean buttons, and actual value for floats,
/// for a given frame and button.
/// </summary>
public string DisplayValue(int frame, string buttonName)
{
if (UseInputCache && _inputStateCache.ContainsKey(frame))
{
return CreateDisplayValueForButton(_inputStateCache[frame], buttonName);
}
var adapter = GetInputState(frame);
if (UseInputCache)
{
_inputStateCache.Add(frame, adapter);
}
return CreateDisplayValueForButton(adapter, buttonName);
}
public void FlushInputCache()
{
_inputStateCache.Clear();
}
public string CreateDisplayValueForButton(IController adapter, string buttonName)
{
if (adapter.Definition.BoolButtons.Contains(buttonName))
{
return adapter.IsPressed(buttonName)
? _mnemonics[buttonName].ToString()
: "";
}
if (adapter.Definition.FloatControls.Contains(buttonName))
{
return adapter.GetFloat(buttonName).ToString();
}
return "!";
}
public bool BoolIsPressed(int frame, string buttonName)
{
return ((Bk2ControllerAdapter)GetInputState(frame))
.IsPressed(buttonName);
}
public float GetFloatState(int frame, string buttonName)
{
return ((Bk2ControllerAdapter)GetInputState(frame))
.GetFloat(buttonName);
}
public void ClearGreenzone()
{
if (_stateManager.Any())
{
_stateManager.ClearStateHistory();
Changes = true;
}
}
public void GreenzoneCurrentFrame()
{
// todo: this isn't working quite right when autorestore is off and we're editing while seeking
// but accounting for that requires access to Mainform.IsSeeking
if (Global.Emulator.Frame > LastEditedFrame)
{
// emulated a new frame, current editing segment may change now. taseditor logic
LastPositionStable = false;
}
_lagLog[Global.Emulator.Frame] = Global.Emulator.AsInputPollable().IsLagFrame;
if (!_stateManager.HasState(Global.Emulator.Frame))
{
_stateManager.Capture(Global.Emulator.Frame == LastEditedFrame - 1);
}
}
public void ClearLagLog()
{
_lagLog.Clear();
}
public void DeleteLogBefore(int frame)
{
if (frame < Log.Count)
{
Log.RemoveRange(0, frame);
}
}
public void CopyLog(IEnumerable<string> log)
{
Log.Clear();
foreach (var entry in log)
{
Log.Add(entry);
}
}
public void CopyVerificationLog(IEnumerable<string> log)
{
foreach (string entry in log)
{
VerificationLog.Add(entry);
}
}
public IStringLog GetLogEntries()
{
return Log;
}
private int? _timelineBranchFrame = null;
// TODO: this is 99% copy pasting of bad code
public override bool ExtractInputLog(TextReader reader, out string errorMessage)
{
errorMessage = "";
int? stateFrame = null;
var newLog = new List<string>();
// We are in record mode so replace the movie log with the one from the savestate
if (!Global.MovieSession.MultiTrack.IsActive)
{
_timelineBranchFrame = null;
if (Global.Config.EnableBackupMovies && MakeBackup && Log.Count != 0)
{
SaveBackup();
MakeBackup = false;
}
int counter = 0;
while (true)
{
var line = reader.ReadLine();
if (string.IsNullOrEmpty(line))
{
break;
}
if (line.Contains("Frame 0x")) // NES stores frame count in hex, yay
{
var strs = line.Split('x');
try
{
stateFrame = int.Parse(strs[1], NumberStyles.HexNumber);
}
catch
{
errorMessage = "Savestate Frame number failed to parse";
return false;
}
}
else if (line.Contains("Frame "))
{
var strs = line.Split(' ');
try
{
stateFrame = int.Parse(strs[1]);
}
catch
{
errorMessage = "Savestate Frame number failed to parse";
return false;
}
}
else if (line.StartsWith("LogKey:"))
{
LogKey = line.Replace("LogKey:", "");
}
else if (line[0] == '|')
{
newLog.Add(line);
if (!_timelineBranchFrame.HasValue && counter < Log.Count && line != Log[counter])
{
_timelineBranchFrame = counter;
}
counter++;
}
}
Log.Clear();
Log.AddRange(newLog);
}
else // Multitrack mode
{
// TODO: consider TimelineBranchFrame here, my thinking is that there's never a scenario to invalidate state/lag data during multitrack
var i = 0;
while (true)
{
var line = reader.ReadLine();
if (line == null)
{
break;
}
if (line.Contains("Frame 0x")) // NES stores frame count in hex, yay
{
var strs = line.Split('x');
try
{
stateFrame = int.Parse(strs[1], NumberStyles.HexNumber);
}
catch
{
errorMessage = "Savestate Frame number failed to parse";
return false;
}
}
else if (line.Contains("Frame "))
{
var strs = line.Split(' ');
try
{
stateFrame = int.Parse(strs[1]);
}
catch
{
errorMessage = "Savestate Frame number failed to parse";
return false;
}
}
else if (line.StartsWith("LogKey:"))
{
LogKey = line.Replace("LogKey:", "");
}
else if (line.StartsWith("|"))
{
SetFrame(i, line);
i++;
}
}
}
if (!stateFrame.HasValue)
{
errorMessage = "Savestate Frame number failed to parse";
}
var stateFramei = stateFrame ?? 0;
if (stateFramei > 0 && stateFramei < Log.Count)
{
if (!Global.Config.VBAStyleMovieLoadState)
{
Truncate(stateFramei);
}
}
else if (stateFramei > Log.Count) // Post movie savestate
{
if (!Global.Config.VBAStyleMovieLoadState)
{
Truncate(Log.Count);
}
Mode = Moviemode.Finished;
}
if (IsCountingRerecords)
{
Rerecords++;
}
if (_timelineBranchFrame.HasValue)
{
_lagLog.RemoveFrom(_timelineBranchFrame.Value);
TasStateManager.Invalidate(_timelineBranchFrame.Value);
}
return true;
}
#region Branches
public TasBranch GetBranch(int index)
{
if (index >= Branches.Count || index < 0)
{
return null;
}
return Branches[index];
}
public TasBranch GetBranch(Guid id)
{
return Branches.SingleOrDefault(b => b.UniqueIdentifier == id);
}
public int BranchHashByIndex(int index)
{
if (index >= Branches.Count)
{
return -1;
}
return Branches[index].UniqueIdentifier.GetHashCode();
}
public int BranchIndexByHash(int hash)
{
TasBranch branch = Branches.SingleOrDefault(b => b.UniqueIdentifier.GetHashCode() == hash);
if (branch == null)
{
return -1;
}
return Branches.IndexOf(branch);
}
public int BranchIndexByFrame(int frame)
{
TasBranch branch = Branches
.Where(b => b.Frame == frame)
.OrderByDescending(b => b.TimeStamp)
.FirstOrDefault();
if (branch == null)
{
return -1;
}
return Branches.IndexOf(branch);
}
public void AddBranch(TasBranch branch)
{
Branches.Add(branch);
Changes = true;
}
public void RemoveBranch(TasBranch branch)
{
Branches.Remove(branch);
Changes = true;
}
public void LoadBranch(TasBranch branch)
{
int? divergentPoint = DivergentPoint(Log, branch.InputLog);
Log?.Dispose();
Log = branch.InputLog.Clone();
if (divergentPoint.HasValue)
{
InvalidateAfter(divergentPoint.Value);
}
else
{
InvalidateAfter(branch.InputLog.Count);
}
if (BindMarkersToInput) // pretty critical not to erase them
{
Markers = branch.Markers;
}
Changes = true;
}
public void UpdateBranch(TasBranch old, TasBranch newBranch)
{
int index = Branches.IndexOf(old);
newBranch.UniqueIdentifier = old.UniqueIdentifier;
if (newBranch.UserText == "")
{
newBranch.UserText = old.UserText;
}
Branches[index] = newBranch;
Changes = true;
}
public void SwapBranches(int b1, int b2)
{
TasBranch branch = Branches[b1];
if (b2 >= Branches.Count)
{
b2 = Branches.Count - 1;
}
Branches.Remove(branch);
Branches.Insert(b2, branch);
Changes = true;
}
#endregion
#region Events and Handlers
public event PropertyChangedEventHandler PropertyChanged;
private bool _changes;
public override bool Changes
{
get
{
return _changes;
}
protected set
{
if (_changes != value)
{
_changes = value;
OnPropertyChanged("Changes");
}
}
}
// This event is Raised only when Changes is TOGGLED.
private void OnPropertyChanged(string propertyName)
{
// Raising the event when FirstName or LastName property value changed
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
}
private void Markers_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
{
Changes = true;
}
public void ClearChanges()
{
Changes = false;
}
public void FlagChanges()
{
Changes = true;
}
#endregion
}
}