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feat: add IHost.FrameYield per-opcode hook (no-op headless, parity held)

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Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
gamer147
2026-07-08 17:29:50 -04:00
parent 82492d8a6c
commit cd93ebae2e
11 changed files with 46 additions and 0 deletions
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1
engine/Age.Engine.Tests/CallScriptIntegrationTests.cs
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@@ -10,6 +10,7 @@ public class CallScriptIntegrationTests
public void ShowText(int o, string t) { }
public void WaitForInput() { }
public void Sleep(long duration) { }
public void FrameYield() { }
public void CreateTexture(int s, int w, int h) { }
public void SetTexture(long r, int s) { }
public void DrawTexture(int s, int sx, int sy, int w, int h, int dx, int dy) { }

1
engine/Age.Engine.Tests/CallScriptTests.cs
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@@ -16,6 +16,7 @@ public class CallScriptTests
public void ShowText(int o, string t) { }
public void WaitForInput() { }
public void Sleep(long duration) { }
public void FrameYield() { }
public void CreateTexture(int s, int w, int h) { }
public void SetTexture(long r, int s) { }
public void DrawTexture(int s, int sx, int sy, int w, int h, int dx, int dy) { }

35
engine/Age.Engine.Tests/FrameYieldTests.cs Normal file
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@@ -0,0 +1,35 @@
using Age.Engine.Hosting;
using Age.Engine.Model;
using Age.Engine.Sys4;
using Age.Engine.Vm;
using Xunit;
public class FrameYieldTests
{
private sealed class CountingHost : IHost
{
public long Yields;
public void FrameYield() => Yields++;
public void ShowText(int offset, string text) { }
public void WaitForInput() { }
public void Sleep(long duration) { }
public void CreateTexture(int slot, int width, int height) { }
public void SetTexture(long resourceId, int slot) { }
public void DrawTexture(int slot, int sx, int sy, int w, int h, int dx, int dy) { }
public (int Width, int Height) GetTextureSize(int slot) => (0, 0);
public void PlayBgm(long id) { }
public void PlayVoice(long id) { }
}
[Fact]
public void FrameYield_CalledOncePerStep()
{
var table = OpcodeTableJson.Load(Paths.OpcodesJson);
var script = Sys4Loader.Load(Paths.Scripts()["INITCONFIG.BIN"], table);
var host = new CountingHost();
var vm = new VirtualMachine(script, table, host);
vm.Run();
Assert.True(vm.Steps > 0);
Assert.Equal(vm.Steps, host.Yields); // exactly one FrameYield per executed opcode
}
}

1
engine/Age.Engine.Tests/GameSessionTests.cs
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@@ -30,6 +30,7 @@ public class GameSessionTests
public void ShowText(int o, string t) => Emitted.Add(o);
public void WaitForInput() { }
public void Sleep(long duration) { }
public void FrameYield() { }
public void CreateTexture(int s, int w, int h) { }
public void SetTexture(long r, int s) { }
public void DrawTexture(int s, int sx, int sy, int w, int h, int dx, int dy) { }

1
engine/Age.Engine.Tests/TestSupport.cs
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@@ -14,6 +14,7 @@ internal sealed class RecordingHost : IHost
public void ShowText(int offset, string text) => Lines.Add((offset, text));
public void WaitForInput() => Waits++;
public void Sleep(long duration) => SleptDurations.Add(duration);
public void FrameYield() { }
public void CreateTexture(int slot, int w, int h) { }
public void SetTexture(long resId, int slot) { }
public void DrawTexture(int slot, int sx, int sy, int w, int h, int dx, int dy) { }

1
engine/Age.Engine.Tests/TextureGeometryTests.cs
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@@ -12,6 +12,7 @@ public class TextureGeometryTests
public void ShowText(int o, string t) { }
public void WaitForInput() { }
public void Sleep(long duration) { }
public void FrameYield() { }
public void CreateTexture(int slot, int w, int h) { }
public void SetTexture(long resId, int slot) { }
public void DrawTexture(int slot, int sx, int sy, int w, int h, int dx, int dy) { }

1
engine/Age.Engine.Tests/TextureOpsTests.cs
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@@ -14,6 +14,7 @@ public class TextureOpsTests
public void ShowText(int o, string t) { }
public void WaitForInput() { }
public void Sleep(long duration) { }
public void FrameYield() { }
public void CreateTexture(int slot, int w, int h) => Creates++;
public void SetTexture(long resId, int slot) => Sets.Add((resId, slot));
public void DrawTexture(int slot, int srcX, int srcY, int w, int h, int dstX, int dstY) => Draws.Add((slot, w, h));