Update/merge examples back into main repo (#192)

Examples/Core/Customlogging.cs

@@ -0,0 +1,87 @@
+/*******************************************************************************************
+*
+*   raylib [core] example - Custom logging
+*
+*   This example has been created using raylib 2.1 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Example contributed by Pablo Marcos Oltra (@pamarcos) and reviewed by Ramon Santamaria (@raysan5)
+*
+*   Copyright (c) 2018 Pablo Marcos Oltra (@pamarcos) and Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+using System;
+using System.Runtime.InteropServices;
+using static Raylib_cs.Raylib;
+
+namespace Examples.Core;
+
+public unsafe class CustomLogging
+{
+    [UnmanagedCallersOnly(CallConvs = new[] { typeof(System.Runtime.CompilerServices.CallConvCdecl) })]
+    private static void LogCustom(int logLevel, sbyte* text, sbyte* args)
+    {
+        var message = Logging.GetLogMessage(new IntPtr(text), new IntPtr(args));
+
+        /*Console.ForegroundColor = (TraceLogLevel)logLevel switch
+        {
+            TraceLogLevel.LOG_ALL => ConsoleColor.White,
+            TraceLogLevel.LOG_TRACE => ConsoleColor.Black,
+            TraceLogLevel.LOG_DEBUG => ConsoleColor.Blue,
+            TraceLogLevel.LOG_INFO => ConsoleColor.Black,
+            TraceLogLevel.LOG_WARNING => ConsoleColor.DarkYellow,
+            TraceLogLevel.LOG_ERROR => ConsoleColor.Red,
+            TraceLogLevel.LOG_FATAL => ConsoleColor.Red,
+            TraceLogLevel.LOG_NONE => ConsoleColor.White,
+            _ => throw new ArgumentOutOfRangeException(nameof(logLevel), logLevel, null)
+        };*/
+
+        Console.WriteLine($"Custom " + message);
+        // Console.ResetColor();
+    }
+
+    public static int Main()
+    {
+        // Initialization
+        //--------------------------------------------------------------------------------------
+        const int screenWidth = 800;
+        const int screenHeight = 450;
+
+        // First thing we do is setting our custom logger to ensure everything raylib logs
+        // will use our own logger instead of its internal one
+        Raylib.SetTraceLogCallback(&LogCustom);
+
+        InitWindow(screenWidth, screenHeight, "raylib [core] example - custom logging");
+
+        SetTargetFPS(60);
+        //--------------------------------------------------------------------------------------
+
+        // Main game loop
+        while (!WindowShouldClose())
+        {
+            // Update
+            //----------------------------------------------------------------------------------
+            // TODO: Update your variables here
+            //----------------------------------------------------------------------------------
+
+            // Draw
+            //----------------------------------------------------------------------------------
+            BeginDrawing();
+            ClearBackground(Color.RAYWHITE);
+
+            DrawText("Check out the console output to see the custom logger in action!", 60, 200, 20, Color.LIGHTGRAY);
+
+            EndDrawing();
+            //----------------------------------------------------------------------------------
+        }
+
+        // De-Initialization
+        //--------------------------------------------------------------------------------------
+        CloseWindow();
+        Raylib.SetTraceLogCallback(&Logging.LogConsole);
+        //--------------------------------------------------------------------------------------
+
+        return 0;
+    }
+}