Send normal logs to Unity again, but for the Update loop collect all logs and flush the contents only once per frame

Assets/Scripts/Modules/SystemModule.cs

@@ -30,7 +30,7 @@ public partial class SystemModule
 
     private void Print(string message)
     {
-        // Debug.Log(message);  // TODO: collect logs per frame and print after each Update loop
+        uq.AddLog(message);
     }
 
     private void Error(string message)

Assets/Scripts/UniQuake.cs

@@ -2,6 +2,7 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Runtime.InteropServices;
+using System.Text;
 using UnityEngine;
 
 public class UniQuake: MonoBehaviour
@@ -35,8 +36,12 @@ public class UniQuake: MonoBehaviour
     /// </summary>
     public double CurrentTime => Time.timeAsDouble - startTime;
 
+    private Action<string> logHandler; 
+
     void Start()
     {
+        logHandler = PrintLog;  // Send each log statement to Unity immediately during startup
+        
         systemModule = new SystemModule(this);
         renderModule = new RenderModule(this);
 
@@ -109,6 +114,8 @@ public class UniQuake: MonoBehaviour
         if (!initialized)
             return;
 
+        logHandler = CollectLog;    // Collect and dump logs to Unity once per frame
+
         try
         {
             UniQuake_Update(Time.deltaTime);
@@ -127,6 +134,8 @@ public class UniQuake: MonoBehaviour
             Debug.LogException(ex);
             Shutdown();
         }
+        
+        FlushLog();
     }
 
     private void Shutdown()
@@ -150,6 +159,32 @@ public class UniQuake: MonoBehaviour
         FreeLibrary();
     }
 
+    public void AddLog(string log)
+    {
+        logHandler?.Invoke(log);
+    }
+    
+    private void PrintLog(string log)
+    {
+        Debug.Log(log);
+    }
+
+    private StringBuilder logBuffer = new StringBuilder();
+    
+    private void CollectLog(string log)
+    {
+        logBuffer.Append(log);
+    }
+
+    private void FlushLog()
+    {
+        if (logBuffer.Length > 0)
+        {
+            Debug.Log(logBuffer.ToString());
+            logBuffer.Clear();
+        }
+    }
+
     [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
     private delegate void UniQuake_InitFunc(IntPtr parms, IntPtr sysCalls, IntPtr glCalls);
     private UniQuake_InitFunc UniQuake_Init;