316 lines
13 KiB
C#
316 lines
13 KiB
C#
using System;
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using System.Collections.Generic;
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using Age.Engine.Hosting;
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using Age.Engine.Model;
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using Age.Engine.Sys4;
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public sealed partial class GodotAdvHost
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{
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private readonly MovieSurfaceRegistry _movieSurfaces = new();
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private sealed record MovieMaskPlayback(
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GfxState Gfx, MovieMaskTransitionRequest Request, RgbaImage Captured);
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private readonly object _movieMaskLock = new();
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private readonly Dictionary<long, MovieMaskPlayback> _movieMasksByPlayback = new();
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private readonly Dictionary<int, long> _movieMaskPlaybackBySurface = new();
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public bool IsMovieSurfaceBound(int surfaceSlot) => _movieSurfaces.IsBound(surfaceSlot);
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public long? PlayMovieToSurface(long resourceId, int surfaceSlot, long movieFlags, long syncMask)
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{
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string scene = CurrentScene;
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var asset = _res.ResolveMovie(resourceId);
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if (asset == null) { Godot.GD.Print($"movie unresolved {scene}:0x{resourceId:x}"); return null; }
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StartMovie(asset, resourceId, surfaceSlot, movieFlags, syncMask, modal: false,
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initialPositionMs: 0, startDelayMs: 0, presentationDurationMs: null,
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movieMask: null, out long? stopTimeMs, out _);
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return stopTimeMs ?? 0;
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}
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public long? PlayMovieToSurfaceAtPosition(
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long resourceId, int surfaceSlot, long movieFlags, long syncMask, long positionMs)
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{
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string scene = CurrentScene;
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var asset = _res.ResolveMovie(resourceId);
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if (asset == null) { Godot.GD.Print($"movie unresolved {scene}:0x{resourceId:x}"); return null; }
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StartMovie(asset, resourceId, surfaceSlot, movieFlags, syncMask, modal: false,
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initialPositionMs: positionMs, startDelayMs: 0, presentationDurationMs: null,
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movieMask: null, out long? stopTimeMs, out _);
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return stopTimeMs ?? 0;
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}
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public void PlayMovieMaskTransition(GfxState gfx, MovieMaskTransitionRequest request)
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{
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gfx.QueueMovieMaskTransition(request);
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RgbaImage captured = CaptureRetainedRange(
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gfx, request.SurfaceSlot, request.SourceRangeStart, request.SourceRangeCount);
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byte initialFill = request.Mode == 1 ? (byte)0 : (byte)255;
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PublishMaskedCapture(
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request.SurfaceSlot, captured,
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CreateFilledMask(request.Width, request.Height, initialFill), request);
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var asset = _res.ResolveMovie(request.ResourceId);
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if (asset == null)
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{
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Godot.GD.Print($"movie mask unresolved {CurrentScene}:0x{request.ResourceId:x}");
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PublishMovieMaskTerminal(new MovieMaskPlayback(gfx, request, captured));
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return;
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}
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var mask = new MovieMaskPlayback(gfx, request, captured);
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bool started = StartMovie(
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asset, request.ResourceId, request.SurfaceSlot, movieFlags: 6, syncMask: 0,
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modal: false, initialPositionMs: 0,
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startDelayMs: request.StartDelayMs,
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presentationDurationMs: request.DurationMs,
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movieMask: mask, out long? stopTimeMs, out _);
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gfx.SetMovieStopTime(request.SurfaceSlot, stopTimeMs ?? 0);
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if (!started) PublishMovieMaskTerminal(mask);
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}
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public bool IsMovieSurfaceActive(int surfaceSlot)
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=> _movieSurfaces.IsActive(surfaceSlot);
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public GodotHostDiagnosticSnapshot CaptureDiagnosticSnapshot()
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{
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IReadOnlyList<MovieSurfaceDiagnostic> movies = _movieSurfaces.Snapshot();
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IReadOnlyList<long> completed = _movieSurfaces.CompletedPlaybackIds();
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bool screenTransitionActive;
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lock (_screenTransitionLock) screenTransitionActive = _screenTransition != null;
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return new GodotHostDiagnosticSnapshot(
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CurrentScene,
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IsWaiting,
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IsTransitionWaiting,
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IsSleeping,
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IsTextRevealing,
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_modalMovieWaiting,
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_advPagePresentationSuspended,
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_messageSkipActive,
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screenTransitionActive,
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TransitionStartedAtMs,
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movies,
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completed);
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}
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public void PlayModalMovieToSurface(long resourceId, int surfaceSlot, long movieFlags)
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{
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var asset = _res.ResolveMovie(resourceId);
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if (asset == null)
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{
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Godot.GD.Print($"modal movie unresolved packed:0x{resourceId:x}");
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return;
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}
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_modalMovieCancelled = false;
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_modalMovieWaiting = true;
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bool scriptSuspended = false;
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try
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{
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if (!StartMovie(asset, resourceId, surfaceSlot, movieFlags, 0, modal: true,
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initialPositionMs: 0, startDelayMs: 0,
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presentationDurationMs: null, movieMask: null,
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out _, out long playbackId)) return;
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_timeline?.State("modal-movie-wait", new()
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{
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["resource"] = resourceId, ["playback"] = playbackId,
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["surface"] = surfaceSlot, ["file"] = asset.Name,
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});
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scriptSuspended = SuspendScriptForPresentation();
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RequestSynchronizedPresentation();
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while (!_stopping && !_modalMovieCancelled)
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{
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if (!_movieSurfaces.IsActive(surfaceSlot)) break;
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_frameSignal.WaitOne(50);
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}
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// Cancellation is a completed modal presentation from the script's perspective. The
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// wrapper's following surface-release opcode performs the ordinary decoder teardown.
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if (_modalMovieCancelled)
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_movieSurfaces.Complete(playbackId);
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_timeline?.State("running", new()
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{
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["modal_movie_complete"] = !_modalMovieCancelled,
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["modal_movie_cancelled"] = _modalMovieCancelled,
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});
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}
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finally
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{
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ResumeScriptAfterPresentation(scriptSuspended);
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_modalMovieWaiting = false;
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_modalMovieCancelled = false;
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}
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}
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private bool StartMovie(AssetEntry asset, long resourceId, int surfaceSlot, long movieFlags,
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long syncMask, bool modal, long initialPositionMs, long startDelayMs,
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long? presentationDurationMs, MovieMaskPlayback? movieMask,
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out long? stopTimeMs, out long playbackId)
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{
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stopTimeMs = null;
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// A playback is a surface-owned instance, not the shared resource id. BTL can schedule the same
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// asset on multiple surfaces; replacing one binding must not erase another binding's completion.
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MovieSurfaceBinding binding = _movieSurfaces.Begin(surfaceSlot, resourceId, out var replaced);
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playbackId = binding.PlaybackId;
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if (replaced is { } prior)
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{
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AbandonMovieMaskPlayback(prior.PlaybackId);
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ForgetMovieMaskSurface(prior.SurfaceSlot, prior.PlaybackId);
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_main.CallDeferred("StopMovie", prior.PlaybackId);
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}
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if (movieMask != null)
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lock (_movieMaskLock)
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{
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_movieMasksByPlayback[playbackId] = movieMask;
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_movieMaskPlaybackBySurface[surfaceSlot] = playbackId;
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}
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lock (_imageLock)
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{
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if (movieMask == null) _surfaceImages.Remove(surfaceSlot);
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_surfaceColorKeys.Remove(surfaceSlot);
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}
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// Movie surfaces inherit the selected game's primary size until a decoded frame supplies content.
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_slotDims[surfaceSlot] = movieMask == null
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? (_screenWidth, _screenHeight)
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: (movieMask.Captured.Width, movieMask.Captured.Height);
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try
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{
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var movie = _res.ReadMovie(asset);
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_timeline?.Event("movie-start", new()
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{
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["resource"] = resourceId, ["playback"] = playbackId,
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["surface"] = surfaceSlot, ["file"] = movie.Name,
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["flags"] = movieFlags, ["sync_mask"] = syncMask, ["modal"] = modal,
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["initial_position_ms"] = Math.Max(0, initialPositionMs),
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["start_delay_ms"] = Math.Max(0, startDelayMs),
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["presentation_duration_ms"] = presentationDurationMs,
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["movie_mask"] = movieMask != null,
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});
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bool started = _main.TryPlayMovie(
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movie.Bytes, movie.Name, playbackId, resourceId, asset.PackedId, movieFlags,
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initialPositionMs, startDelayMs, presentationDurationMs, out stopTimeMs);
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if (!started)
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{
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stopTimeMs = 0;
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NotifyMovieCompleted(playbackId);
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}
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return started;
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}
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catch (System.Exception e)
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{
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AbandonMovieMaskPlayback(playbackId);
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_movieSurfaces.Abandon(playbackId, out _);
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_slotDims.Remove(surfaceSlot);
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stopTimeMs = 0;
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Godot.GD.Print($"movie read failed {asset.Name}: {e.Message}");
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return false;
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}
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}
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public void PublishMovieFrame(long playbackId, string name, int assetId, RgbaImage frame)
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{
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MovieMaskPlayback? maskPlayback;
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lock (_movieMaskLock) _movieMasksByPlayback.TryGetValue(playbackId, out maskPlayback);
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if (maskPlayback != null)
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{
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var request = maskPlayback.Request;
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byte initialFill = request.Mode == 1 ? (byte)0 : (byte)255;
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byte[] mask = MovieMaskSurface.ExtractGreen(
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frame, request.Width, request.Height, initialFill);
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PublishMaskedCapture(request.SurfaceSlot, maskPlayback.Captured, mask, request);
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return;
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}
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if (_movieSurfaces.PublishFrame(playbackId, frame, name, assetId))
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System.Threading.Interlocked.Exchange(ref _presentRequested, 1);
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}
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public void NotifyMovieCompleted(long playbackId)
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{
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MovieMaskPlayback? maskPlayback = RemoveMovieMaskPlayback(playbackId);
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if (maskPlayback != null) PublishMovieMaskTerminal(maskPlayback);
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if (!_movieSurfaces.Complete(playbackId)) return;
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_timeline?.Event("movie-complete", new() { ["playback"] = playbackId });
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_frameSignal.Set();
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}
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private bool HasActiveMoviePresentation()
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=> _movieSurfaces.HasActivePlayback;
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private RgbaImage CaptureRetainedRange(
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GfxState gfx, int targetSlot, long firstHandle, int count)
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{
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var dimensions = _slotDims.GetValueOrDefault(
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targetSlot, (W: _screenWidth, H: _screenHeight));
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int width = System.Math.Max(0, dimensions.W);
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int height = System.Math.Max(0, dimensions.H);
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var captured = new RgbaImage(width, height, new byte[checked(width * height * 4)]);
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IReadOnlyList<RenderObject> visible = gfx.SnapshotVisibleObjects(_clock.NowMs);
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RetainedSurfaceRasterizer.CompositeRange(
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captured, visible, firstHandle, System.Math.Max(0, count),
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item =>
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{
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var raw = gfx.TryGet(item.Handle);
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var resolved = raw != null
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? ResolveSurfaceTexture(raw.SourceSlot, item.SurfaceResId)
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: ResolveResIdTexture(item.SurfaceResId);
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return resolved == null
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? null
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: RgbaSurfaceOps.WithColorKey(resolved.Value.Image, item.ColorKey);
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});
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return captured;
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}
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private static byte[] CreateFilledMask(int width, int height, byte fill)
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{
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var mask = new byte[checked(System.Math.Max(0, width) * System.Math.Max(0, height))];
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if (fill != 0) System.Array.Fill(mask, fill);
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return mask;
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}
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private void PublishMaskedCapture(
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int surfaceSlot, RgbaImage captured, byte[] mask, MovieMaskTransitionRequest request)
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{
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RgbaImage image = MovieMaskSurface.Apply(
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captured, mask, System.Math.Max(0, request.Width),
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System.Math.Max(0, request.Height), request.X, request.Y);
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lock (_imageLock) _surfaceImages[surfaceSlot] = image;
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_slotDims[surfaceSlot] = (image.Width, image.Height);
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System.Threading.Interlocked.Exchange(ref _presentRequested, 1);
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_frameSignal.Set();
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}
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private void PublishMovieMaskTerminal(MovieMaskPlayback playback)
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{
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byte terminalFill = playback.Request.Mode == 1 ? (byte)255 : (byte)0;
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PublishMaskedCapture(
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playback.Request.SurfaceSlot, playback.Captured,
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CreateFilledMask(playback.Request.Width, playback.Request.Height, terminalFill),
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playback.Request);
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playback.Gfx.CompleteMovieMaskTransition(playback.Request.SurfaceSlot);
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}
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private MovieMaskPlayback? RemoveMovieMaskPlayback(long playbackId)
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{
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lock (_movieMaskLock)
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{
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if (!_movieMasksByPlayback.Remove(playbackId, out var playback)) return null;
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return playback;
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}
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}
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private void AbandonMovieMaskPlayback(long playbackId)
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{
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MovieMaskPlayback? playback = RemoveMovieMaskPlayback(playbackId);
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if (playback != null)
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{
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ForgetMovieMaskSurface(playback.Request.SurfaceSlot, playbackId);
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playback.Gfx.CompleteMovieMaskTransition(playback.Request.SurfaceSlot);
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}
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}
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private void ForgetMovieMaskSurface(int surfaceSlot, long playbackId)
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{
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lock (_movieMaskLock)
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if (_movieMaskPlaybackBySurface.GetValueOrDefault(surfaceSlot) == playbackId)
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_movieMaskPlaybackBySurface.Remove(surfaceSlot);
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}
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}
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