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Fix MPEG movie startup cadence

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gamer147
2026-07-28 12:16:16 -04:00
parent b2f1b4a45e
commit fdc7bb2bbc
10 changed files with 269 additions and 34 deletions
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13
engine/Age.Engine/Vm/VirtualMachine.cs
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@@ -2416,13 +2416,15 @@ public sealed class VirtualMachine
long resourceId = Read(a[0]);
int surfaceSlot = (int)Read(a[1]);
// Modal and non-modal paths share packed resolution and retained-surface composition.
// The distinct host entry point owns only 0x20f's blocking lifecycle.
Gfx.SetSurface(surfaceSlot, resourceId, 0);
// The distinct host entry point owns only 0x20f's blocking lifecycle. Native attaches its
// renderer to the existing mutable target; it does not reload that surface with resource
// id/movie bytes or apply color key 0. Keep the created surface's no-key state so MPEG
// black remains opaque.
_host.PlayModalMovieToSurface(resourceId, surfaceSlot, Read(a[2]));
return pc + 1;
}
case "u004221A0": // pre-reference compatibility
case "play-movie-to-surface": // 0x236 (resource)(surface)(movie flags)(sync mask)
case "play-movie-to-surface": // 0x236 (resource)(surface)(movie flags)(start delay ms)
{
long resourceId = Read(a[0]);
int surfaceSlot = (int)Read(a[1]);
@@ -2442,9 +2444,8 @@ public sealed class VirtualMachine
// boundary; publishing the movie resource first would let a concurrent compositor mistake
// the MPEG payload's .AGF name for a still image before the host registers/decodes it.
long? stopTimeMs = _host.PlayMovieToSurface(resourceId, surfaceSlot, Read(a[2]), Read(a[3]));
// The native CMovieToTexture renderer replaces the pixels of the already-created surface.
// Retain the same resource binding so the compositor resolves live movie frames for its objects.
Gfx.SetSurface(surfaceSlot, resourceId, 0);
// Native replaces the pixels of the already-created surface without changing its resource
// identity or color key. The host's playback-to-surface binding resolves the live frame.
// Native never encounters a missing system decoder for shipped assets. If a host backend
// cannot initialize one, model the valid movie as completing immediately: BTL feeds this
// value into its effect timeline, where zero is a safe duration and -1 is not meaningful.