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feat: throttle Godot VM to a per-frame op budget on FrameClock (fixes opening speed-through)

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Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
gamer147
2026-07-08 17:32:29 -04:00
parent 8681f19dca
commit 9efebc7489
2 changed files with 31 additions and 6 deletions
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7
godot/Main.cs
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@@ -19,6 +19,7 @@ public partial class Main : Godot.Control
private AudioStreamPlayer _voice = null!; // interrupt-on-new voice
private VirtualMachine _vm = null!;
private GodotAdvHost _host = null!;
private readonly Age.Engine.Hosting.FrameClock _clock = new();
private GodotTraceSink _trace = null!;
private Age.Engine.Diagnostics.HistogramTraceSink? _hist; // --trace-histogram: profile the real run
private string? _histFile;
@@ -119,7 +120,7 @@ public partial class Main : Godot.Control
IScriptProvider provider;
if (_selftest) (script, provider) = BuildSelfTestScene(table);
else { script = Sys4Loader.Load(Paths.Scripts()[scene.ToUpperInvariant() + ".BIN"], table); provider = Sys4ScriptProvider.Load(table); }
_host = new GodotAdvHost(this, ResourceMap.Load(), scene) { SleepScale = sleepScale };
_host = new GodotAdvHost(this, ResourceMap.Load(), scene, _clock) { SleepScale = sleepScale };
_trace = new GodotTraceSink();
// --trace-histogram: aggregate op/call-site execution counts of the REAL Godot run (headless flow
// diverges — wait-for-input is a no-op there — so this is the only way to profile the live path).
@@ -156,6 +157,8 @@ public partial class Main : Godot.Control
public override void _Process(double delta)
{
_lastDelta = delta;
_clock.Advance(delta);
_host?.PulseFrame();
if (!_selftest && _vm != null) Recomposite(); // retained per-frame compositor (surface+object model)
// --shot-sequence: dump one PNG per frame across the opening so a time-based (paced) effect can be
// verified as distinct frames, not just the final state. Captures after Recomposite; quits when full.
@@ -278,7 +281,7 @@ public partial class Main : Godot.Control
tw.TargetA = targetA;
tw.Initialized = true;
}
tw.Elapsed += _lastDelta;
tw.Elapsed += _lastDelta * _clock.Speed; // Speed==1 now => identical; future Ctrl scales the tween
double p = tw.Duration > 0 ? System.Math.Clamp(tw.Elapsed / tw.Duration, 0, 1) : 1;
tw.CurrentA = tw.StartA + (tw.TargetA - tw.StartA) * p;
return (float)tw.CurrentA;