103 lines
4.4 KiB
C#
103 lines
4.4 KiB
C#
using System;
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using System.Collections.Generic;
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using Age.Engine.Model;
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using Age.Engine.Sys4;
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using Age.Engine.Vm;
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using Xunit;
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public class SfxOpsTests
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{
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[Fact]
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public void ReassertingCurrentBgmPreservesPlaybackUntilTrackChangesOrStops()
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{
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var table = OpcodeTableJson.Load(Paths.OpcodesJson);
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var script = ScriptAssembler.Assemble(table, "BGM",
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new List<(int, Operand[])>
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{
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(0xbf, new[] { new Operand(0, 24) }),
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(0xbf, new[] { new Operand(0, 24) }), // FIELD action cleanup: keep current playback position
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(0xbf, new[] { new Operand(0, 25) }),
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(0xbf, new[] { new Operand(0, 25) }),
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(0xc2, new[] { new Operand(0, 0), new Operand(0, 0) }),
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(0xbf, new[] { new Operand(0, 25) }), // fade-to-zero cleared the current track
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(0x2, Array.Empty<Operand>()),
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}, Array.Empty<string>());
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var host = new RecordingHost();
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var vm = new VirtualMachine(script, table, host);
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vm.Run();
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Assert.Equal("exit", vm.HaltReason);
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Assert.Equal([24L, 25L, 25L], host.BgmTracks);
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Assert.Equal((0, 0L), Assert.Single(host.BgmFades));
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Assert.Equal(1, host.BgmStops);
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}
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[Fact]
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public void ForcedBgmTrioRestartsWithNativeModesReusesCurrentAndStops()
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{
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var table = OpcodeTableJson.Load(Paths.OpcodesJson);
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const int currentAfterStop = 0x100;
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const int currentAfterRestart = 0x101;
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var script = ScriptAssembler.Assemble(table, "BGM-FORCE",
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new List<(int, Operand[])>
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{
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(0xbf, new[] { new Operand(0, 24) }),
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(0xb7, new[] { new Operand(0, 24) }), // same track still restarts
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(0xb7, new[] { new Operand(0, 0) }), // zero aliases retained track
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(0xb9, new[] { new Operand(0, 0) }), // retained track, one-shot mode
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(0xb9, new[] { new Operand(0, 25) }), // nonzero replaces retained track
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(0xb8, Array.Empty<Operand>()),
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(0xc0, new[] { new Operand(3, currentAfterStop) }),
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(0xb7, new[] { new Operand(0, 0) }), // no retained track: idempotent stop
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(0xbf, new[] { new Operand(0, 25) }),
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(0xc0, new[] { new Operand(3, currentAfterRestart) }),
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(0x2, Array.Empty<Operand>()),
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}, Array.Empty<string>());
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var host = new RecordingHost();
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var vm = new VirtualMachine(script, table, host);
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vm.Run();
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Assert.Equal("exit", vm.HaltReason);
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Assert.Equal([24L, 25L], host.BgmTracks);
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Assert.Equal([(24L, 1), (24L, 1), (24L, 0), (25L, 0)], host.BgmRestartRequests);
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Assert.Equal(2, host.BgmStops);
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Assert.Equal(0, vm.Globals[currentAfterStop]);
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Assert.Equal(25, vm.Globals[currentAfterRestart]);
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}
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[Fact]
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public void Sc0000AudioLifecycleDelayAndDuckControlReachHost()
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{
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var table = OpcodeTableJson.Load(Paths.OpcodesJson);
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var script = ScriptAssembler.Assemble(table, "SFX",
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new List<(int, Operand[])>
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{
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(0xb4, new[] { new Operand(0, 0x28), new Operand(0, 0) }),
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(0xb5, new[] { new Operand(0, 0) }),
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(0xb4, new[] { new Operand(0, 0x2aea), new Operand(0, 9) }),
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(0xba, new[] { new Operand(0, 9) }),
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(0x1cf, new[] { new Operand(0, 1) }),
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(0x2bf, new[] { new Operand(0, 4), new Operand(0, 0), new Operand(0, 100) }),
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(0xb6, new[] { new Operand(0, 0) }),
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(0xc2, new[] { new Operand(0, 25), new Operand(0, 3000) }),
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(0xd9, Array.Empty<Operand>()),
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(0x2, Array.Empty<Operand>()),
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}, Array.Empty<string>());
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var host = new RecordingHost();
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var vm = new VirtualMachine(script, table, host);
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vm.Run();
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Assert.Equal("exit", vm.HaltReason);
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Assert.Equal([(0x28L, 0), (0x2aeaL, 9)], host.SfxLoads);
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Assert.Equal([0, 9], host.SfxStarts);
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Assert.Equal([(0, 0), (9, 1)], host.SfxStartRequests);
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Assert.Equal(1, Assert.Single(host.VoiceBgmDuckControls));
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Assert.Equal((4, 0, 100L), Assert.Single(host.ScheduledSfxStarts));
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Assert.Equal(0, Assert.Single(host.SfxReleases));
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Assert.Equal((25, 3000L), Assert.Single(host.BgmFades));
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}
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}
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