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Implement movie surface stop-time queries

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gamer147
2026-07-21 14:43:24 -04:00
parent b0971f2047
commit fdcfbd9fa6
15 changed files with 330 additions and 60 deletions
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66
engine/Age.Engine.Tests/MovieOpcodeTests.cs
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@@ -100,6 +100,70 @@ public class MovieOpcodeTests
Assert.Equal(0x33, vm.Gfx.SnapshotVisibleObjects().Single().SurfaceResId);
}
[Fact]
public void QueryMovieStopTimeReturnsTheValueRetainedByPlayMovie()
{
var table = OpcodeTableJson.Load(Paths.OpcodesJson);
var script = ScriptAssembler.Assemble(table, "MOVIE-TIME", new List<(int, Operand[])>
{
(0x236, new[] { new Operand(0, 0x33), new Operand(0, 5), new Operand(0, 2), new Operand(0, 0) }),
(0x23f, new[] { new Operand(3, 0x1234), new Operand(0, 5) }),
(0x2, System.Array.Empty<Operand>()),
}, System.Array.Empty<string>());
var host = new RecordingHost { MovieStopTimeMs = 1876 };
var vm = new VirtualMachine(script, table, host);
vm.Run();
Assert.Equal(1876, vm.Globals[0x1234]);
Assert.True(vm.Gfx.TryGetMovieStopTime(5, out long? retained));
Assert.Equal(1876, retained);
Assert.Empty(host.Warnings);
vm.Gfx.SetSurface(5, 0x34, 0); // replacing the native surface tears down its movie metadata
Assert.False(vm.Gfx.TryGetMovieStopTime(5, out _));
}
[Fact]
public void QueryMovieStopTimeReturnsMinusOneWithoutWarningForAnEmptyMovieSlot()
{
var table = OpcodeTableJson.Load(Paths.OpcodesJson);
var script = ScriptAssembler.Assemble(table, "EMPTY-MOVIE-TIME", new List<(int, Operand[])>
{
(0x23f, new[] { new Operand(3, 0x1234), new Operand(0, 5) }),
(0x2, System.Array.Empty<Operand>()),
}, System.Array.Empty<string>());
var host = new RecordingHost();
var vm = new VirtualMachine(script, table, host);
vm.Gfx.GetOrCreate(5); // retained-object existence is unrelated to the native movie-object slot
vm.Run();
Assert.Equal(-1, vm.Globals[0x1234]);
Assert.Empty(host.Warnings);
}
[Fact]
public void QueryMovieStopTimeWarnsAndReturnsMinusOneWhenMetadataIsUnavailable()
{
var table = OpcodeTableJson.Load(Paths.OpcodesJson);
var script = ScriptAssembler.Assemble(table, "MISSING-MOVIE-TIME", new List<(int, Operand[])>
{
(0x236, new[] { new Operand(0, 0x33), new Operand(0, 5), new Operand(0, 2), new Operand(0, 0) }),
(0x23f, new[] { new Operand(3, 0x1234), new Operand(0, 5) }),
(0x2, System.Array.Empty<Operand>()),
}, System.Array.Empty<string>());
var host = new RecordingHost();
var vm = new VirtualMachine(script, table, host);
vm.Run();
Assert.Equal(-1, vm.Globals[0x1234]);
string warning = Assert.Single(host.Warnings);
Assert.Contains("movie stop-time unavailable MISSING-MOVIE-TIME@", warning);
Assert.Contains("surface=5; returning -1", warning);
}
[Fact]
public void Sc0000MoviePayloadReadsFromArchiveVfsAndIsMpegProgramStream()
{
@@ -136,6 +200,8 @@ public class MovieOpcodeTests
var entry = resources.Resolve("SC0000", 0x33)!;
using var decoder = new DirectShowMovieDecoder(resources.ReadMovie(entry));
Assert.True(decoder.StopTimeMs > 0, "DirectShow should expose a positive IMediaPosition stop time");
var deadline = DateTime.UtcNow.AddSeconds(10);
RgbaImage? frame = null;
while (DateTime.UtcNow < deadline && !decoder.TryTakeFrame(out frame))