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Implement positioned movie playback opcode

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gamer147
2026-07-29 15:41:01 -04:00
parent 71ae1b7c5b
commit 12af952b77
18 changed files with 523 additions and 46 deletions
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11
engine/Age.Engine/Vm/VirtualMachine.cs
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@@ -2688,6 +2688,17 @@ public sealed class VirtualMachine
Gfx.SetMovieStopTime(surfaceSlot, stopTimeMs ?? 0);
return pc + 1; // native cmd size 9 resumes at the next instruction; playback is asynchronous
}
case "u00422B80": // pre-reference compatibility
case "play-movie-to-surface-at-position": // 0x241 (+ initial position ms)
{
long resourceId = Read(a[0]);
int surfaceSlot = unchecked((int)Read(a[1]));
long? stopTimeMs = _host.PlayMovieToSurfaceAtPosition(
resourceId, surfaceSlot, Read(a[2]), Read(a[3]), Read(a[4]));
// As with 0x236, seeking changes decoder position but not the graph's stop metadata.
Gfx.SetMovieStopTime(surfaceSlot, stopTimeMs ?? 0);
return pc + 1;
}
// ---- gfx command-buffer ops (VM-internal GfxState; docs/engine-re.md op-contract table) ----
case "query-gfx-object?": // 0x215 (out)(handle) -> slot | -1
if (_diagSetTexture) // reuse the flag: show what the slot query returns (grey-BG slot dig)