From dc8b1807f22e10e9f411cf1f8cdfe354ea1a0bc3 Mon Sep 17 00:00:00 2001
From: Shoma SATO <noir.neo.04@gmail.com>
Date: Fri, 15 Mar 2024 02:15:15 +0900
Subject: [PATCH] Add FrameRateProfilerRecorder

---
 .../LifetimeScope/MainLifetimeScope.cs        |  1 +
 .../FrameRateProfilerRecorder.cs              | 24 +++++++++++++++++++
 .../FrameRateProfilerRecorder.cs.meta         |  3 +++
 3 files changed, 28 insertions(+)
 create mode 100644 Assets/Hatbor/Scripts/PerformanceProfiler/FrameRateProfilerRecorder.cs
 create mode 100644 Assets/Hatbor/Scripts/PerformanceProfiler/FrameRateProfilerRecorder.cs.meta

diff --git a/Assets/Hatbor/Scripts/LifetimeScope/MainLifetimeScope.cs b/Assets/Hatbor/Scripts/LifetimeScope/MainLifetimeScope.cs
index 8880703..c808053 100644
--- a/Assets/Hatbor/Scripts/LifetimeScope/MainLifetimeScope.cs
+++ b/Assets/Hatbor/Scripts/LifetimeScope/MainLifetimeScope.cs
@@ -25,6 +25,7 @@ protected override void Configure(IContainerBuilder builder)
 
             // PerformanceProfiler
             builder.RegisterEntryPoint<PerformanceProfilerTicker>();
+            builder.Register<IProfilerRecorder, FrameRateProfilerRecorder>(Lifetime.Singleton).AsSelf();
             builder.Register<IProfilerRecorder, VmcServerProfilerRecorder>(Lifetime.Singleton).AsSelf();
 
             // Rig/VMC
diff --git a/Assets/Hatbor/Scripts/PerformanceProfiler/FrameRateProfilerRecorder.cs b/Assets/Hatbor/Scripts/PerformanceProfiler/FrameRateProfilerRecorder.cs
new file mode 100644
index 0000000..e0fd54d
--- /dev/null
+++ b/Assets/Hatbor/Scripts/PerformanceProfiler/FrameRateProfilerRecorder.cs
@@ -0,0 +1,24 @@
+using UniRx;
+
+namespace Hatbor.PerformanceProfiler
+{
+    public sealed class FrameRateProfilerRecorder : IProfilerRecorder
+    {
+        readonly ReactiveProperty<string> text = new();
+        IReadOnlyReactiveProperty<string> IProfilerRecorder.Text => text;
+
+        int count;
+        float time;
+
+        void IProfilerRecorder.Tick(float t)
+        {
+            count++;
+            time += t;
+            if (!(time >= 1f)) return;
+            var frameRate = count / time;
+            text.Value = $"Frame Rate: {frameRate:F2}/s";
+            time = 0f;
+            count = 0;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Assets/Hatbor/Scripts/PerformanceProfiler/FrameRateProfilerRecorder.cs.meta b/Assets/Hatbor/Scripts/PerformanceProfiler/FrameRateProfilerRecorder.cs.meta
new file mode 100644
index 0000000..26aa0f6
--- /dev/null
+++ b/Assets/Hatbor/Scripts/PerformanceProfiler/FrameRateProfilerRecorder.cs.meta
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: dc4567380c7f49efbd2a847609a91710
+timeCreated: 1710436013
\ No newline at end of file