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Implement SC0000 movie playback lifecycle

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gamer147
2026-07-11 12:27:51 -04:00
parent 233f791c10
commit 024accd8d1
15 changed files with 711 additions and 31 deletions
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63
godot/Main.cs
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@@ -1,4 +1,5 @@
using System.Collections.Generic;
using System.Runtime.Versioning;
using System.Text.Json;
using System.Threading.Tasks;
using Godot;
@@ -8,6 +9,7 @@ using Age.Engine.Sys4;
using Age.Engine.Vm;
using Script = Age.Engine.Model.Script; // disambiguate from Godot.Script
[SupportedOSPlatform("windows")]
public partial class Main : Godot.Control
{
private TextureRect _screenView = null!; // shows the composited screen backbuffer
@@ -22,6 +24,8 @@ public partial class Main : Godot.Control
private VirtualMachine _vm = null!;
private GodotAdvHost _host = null!;
private readonly Age.Engine.Hosting.FrameClock _clock = new();
private readonly System.Collections.Generic.Dictionary<long, MovieRuntime> _movies = new();
private readonly System.Collections.Generic.HashSet<long> _movieFrameSeen = new();
private GodotTraceSink _trace = null!;
private Age.Engine.Diagnostics.HistogramTraceSink? _hist; // --trace-histogram: profile the real run
private string? _histFile;
@@ -214,8 +218,10 @@ public partial class Main : Godot.Control
public override void _Process(double delta)
{
_clock.Advance(delta);
_timeline?.SetFrame(++_timelineFrame, _clock.NowMs);
_timelineFrame++;
_timeline?.SetFrame(_timelineFrame, _clock.NowMs);
_host?.PulseFrame();
UpdateMovieFrames();
if (!_selftest && _vm != null && _host != null && _host.ShouldRecomposite())
Recomposite(); // native publishes retained mutations only at present/service boundaries
if (!_selftest && _host != null) UpdateAdvTextPresentation();
@@ -266,7 +272,12 @@ public partial class Main : Godot.Control
_host.SignalInput();
}
public override void _ExitTree() { DumpHistogram(); _host?.Stop(); _timeline?.Dispose(); }
public override void _ExitTree()
{
DumpHistogram(); _host?.Stop(); _timeline?.Dispose();
foreach (var movie in _movies.Values) movie.Decoder.Dispose();
_movies.Clear();
}
// Write the real-run op/call-site histogram to --trace-histogram <file>. Idempotent; called when the
// scene ends or the window closes (the opening parks at wait-for-input, so closing is the usual trigger).
@@ -295,6 +306,11 @@ public partial class Main : Godot.Control
private void Recomposite()
{
_screen.Fill(new Color(0, 0, 0, 0));
// SC0000's movie is an independently updating retained background. The script prepares later
// static surfaces before its 0x21c yield; those layers composite above the current movie sample.
if (_host.TryGetActiveMovieFrame(out var movieFrame) &&
movieFrame.Width == _screen.GetWidth() && movieFrame.Height == _screen.GetHeight())
_screen.SetData(movieFrame.Width, movieFrame.Height, false, Image.Format.Rgba8, movieFrame.Pixels);
_speaker.Visible = false;
System.Collections.Generic.Dictionary<long, string>? decisions = _gfxLogPath != null || _timeline != null ? new() : null;
int z = 0;
@@ -566,6 +582,49 @@ public partial class Main : Godot.Control
CreateTween().TweenProperty(_bgm, "volume_db", targetDb, realDurationSeconds);
}
public void PlayMovie(byte[] mpegBytes, string assetName, long resourceId, int rawIndex)
{
if (_movies.Remove(resourceId, out var prior)) prior.Decoder.Dispose();
try
{
var payload = new Age.Engine.Sys4.MoviePayload(assetName, mpegBytes);
_movies[resourceId] = new MovieRuntime(assetName, rawIndex, new DirectShowMovieDecoder(payload));
GD.Print($"movie started {assetName} ({mpegBytes.Length} bytes from VFS)");
}
catch (System.Exception e)
{
GD.Print($"movie decode failed {assetName}: {e.Message}");
_host.NotifyMovieCompleted(resourceId); // release a pending 0x21c boundary on deterministic load failure
}
}
private void UpdateMovieFrames()
{
if (_host == null) return;
foreach (var (resourceId, movie) in _movies)
{
if (movie.Decoder.TryTakeFrame(out var frame))
{
_host.PublishMovieFrame(resourceId, movie.Name, movie.RawIndex, frame);
if (_movieFrameSeen.Add(resourceId))
GD.Print($"movie first frame {movie.Name}: {frame.Width}x{frame.Height} RGBA8 at render frame {_timelineFrame}");
}
if (movie.Decoder.IsCompleted) _host.NotifyMovieCompleted(resourceId);
}
}
public void StopMovie(long resourceId)
{
if (_movies.Remove(resourceId, out var movie))
{
movie.Decoder.Dispose();
GD.Print($"movie stopped {movie.Name} at render frame {_timelineFrame}");
}
_movieFrameSeen.Remove(resourceId);
}
private sealed record MovieRuntime(string Name, int RawIndex, DirectShowMovieDecoder Decoder);
public void AppendLine(string text) => _text.Text += text + "\n";
public void PageBreak() { _pageCount++; _status.Text = ""; }
public void ClearPage() { _text.Text = ""; _status.Text = ""; }