[build.zig] Refactor (#5764)

* Add better structure for build.zig

Temporarily disabled the tests

* Cleanup build.zig a bit

* Fixed zemscripten and cleanup other platforms

* Make opengl_version selection more restritive

* Add traslateC to build; Renable examples

* Add raygui build to build.zig

* Deny glfw from android target

* Fix android platform includes

* Add Zig project example

* Add Zig project mention to README

* Set right name for web build in zig example

* Cleanup last parts of build.zig

* Add linking method for build.zig

* Fix lshcore link for glfw and rgfw build.zig

* Fix weird sdl linkage build.zig

* Add zig example to zig project

* Fix win32, mac build bugs in build.zig

* Rename argument lshcore to shcore build.zig

projects/Zig/src/core_basic_window.c

@@ -0,0 +1,83 @@
+/*******************************************************************************************
+*
+*   raylib [core] example - Basic window (adapted for HTML5 platform)
+*
+*   This example is prepared to compile for PLATFORM_WEB and PLATFORM_DESKTOP
+*   As you will notice, code structure is slightly different to the other examples...
+*   To compile it for PLATFORM_WEB just uncomment #define PLATFORM_WEB at beginning
+*
+*   This example has been created using raylib 1.3 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Copyright (c) 2015 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#if defined(PLATFORM_WEB)
+    #include <emscripten/emscripten.h>
+#endif
+
+//----------------------------------------------------------------------------------
+// Global Variables Definition
+//----------------------------------------------------------------------------------
+int screenWidth = 800;
+int screenHeight = 450;
+
+//----------------------------------------------------------------------------------
+// Module Functions Declaration
+//----------------------------------------------------------------------------------
+void UpdateDrawFrame(void);     // Update and Draw one frame
+
+//----------------------------------------------------------------------------------
+// Program main entry point
+//----------------------------------------------------------------------------------
+int main()
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    InitWindow(screenWidth, screenHeight, "raylib [core] example - basic window");
+
+#if defined(PLATFORM_WEB)
+    emscripten_set_main_loop(UpdateDrawFrame, 0, 1);
+#else
+    SetTargetFPS(60);   // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        UpdateDrawFrame();
+    }
+#endif
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}
+
+//----------------------------------------------------------------------------------
+// Module Functions Definition
+//----------------------------------------------------------------------------------
+void UpdateDrawFrame(void)
+{
+    // Update
+    //----------------------------------------------------------------------------------
+    // TODO: Update your variables here
+    //----------------------------------------------------------------------------------
+
+    // Draw
+    //----------------------------------------------------------------------------------
+    BeginDrawing();
+
+        ClearBackground(RAYWHITE);
+
+        DrawText("Congrats! You created your first window!", 190, 200, 20, LIGHTGRAY);
+
+    EndDrawing();
+    //----------------------------------------------------------------------------------
+}

projects/Zig/src/core_basic_window.zig

@@ -0,0 +1,73 @@
+//*******************************************************************************************
+//*
+//*   raylib [core] example - Basic window (adapted for HTML5 platform)
+//*
+//*   This example is prepared to compile for PLATFORM_WEB and PLATFORM_DESKTOP
+//*   As you will notice, code structure is slightly different to the other examples...
+//*   To compile it for PLATFORM_WEB just uncomment #define PLATFORM_WEB at beginning
+//*
+//*   This example has been created using raylib 6.0 (www.raylib.com)
+//*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+//*
+//*   Copyright (c) 2015 Ramon Santamaria (@raysan5)
+//*   Rewrite in Zig by HaxSam (@haxsam)
+//*
+//*******************************************************************************************
+
+const rl = @import("raylib");
+const std = @import("std");
+const builtin = @import("builtin");
+
+//----------------------------------------------------------------------------------
+// Global Variables Definition
+//----------------------------------------------------------------------------------
+const screenWidth: c_int = 800;
+const screenHeight: c_int = 450;
+
+//----------------------------------------------------------------------------------
+// Program main entry point
+//----------------------------------------------------------------------------------
+pub fn main() void {
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    rl.InitWindow(screenWidth, screenHeight, "raylib [core] example - basic window");
+
+    if (builtin.os.tag == .emscripten) {
+        std.os.emscripten.emscripten_set_main_loop(UpdateDrawFrame, 0, 1);
+    } else {
+        rl.SetTargetFPS(60); // Set our game to run at 60 frames-per-second
+        //--------------------------------------------------------------------------------------
+
+        // Main game loop
+        while (!rl.WindowShouldClose()) // Detect window close button or ESC key
+        {
+            UpdateDrawFrame();
+        }
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    rl.CloseWindow(); // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+}
+
+//----------------------------------------------------------------------------------
+// Module Functions Definition
+//----------------------------------------------------------------------------------
+fn UpdateDrawFrame() callconv(.c) void {
+    // Update
+    //----------------------------------------------------------------------------------
+    // TODO: Update your variables here
+    //----------------------------------------------------------------------------------
+
+    // Draw
+    //----------------------------------------------------------------------------------
+    rl.BeginDrawing();
+
+    rl.ClearBackground(rl.RAYWHITE);
+
+    rl.DrawText("Congrats! You created your first window!", 190, 200, 20, rl.LIGHTGRAY);
+
+    rl.EndDrawing();
+    //----------------------------------------------------------------------------------
+}