Fixed it

.gitignore

@@ -4,3 +4,6 @@ bin-int/
 *.vcxproj
 *.vcxproj.filters
 !/vendor/**
+
+subprojects/
+!subprojects/*.wrap

.vscode/launch.json

@@ -0,0 +1,22 @@
+{
+    "configurations": [
+        {
+            "type": "cppvsdbg",
+            "request": "launch",
+            "name": "Debug Sandbox Shared",
+            "program": "${workspaceFolder}/builddir/Sandbox/sandbox_shared.exe",
+            "args": [],
+            "cwd": "${workspaceFolder}",
+            "preLaunchTask": "build"
+        },
+        {
+            "type": "cppvsdbg",
+            "request": "launch",
+            "name": "Debug Sandbox Static",
+            "program": "${workspaceFolder}/builddir/Sandbox/sandbox_static.exe",
+            "args": [],
+            "cwd": "${workspaceFolder}",
+            "preLaunchTask": "build"
+        },
+    ]
+}

.vscode/settings.json

@@ -0,0 +1,6 @@
+{
+    "C_Cpp.default.compileCommands": "d:\\FluxEngine\\builddir/compile_commands.json",
+    "C_Cpp.default.configurationProvider": "mesonbuild.mesonbuild",
+    "cmake.ignoreCMakeListsMissing": true,
+    "C_Cpp.errorSquiggles": "enabled"
+}

.vscode/tasks.json

@@ -0,0 +1,24 @@
+{
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "setup",
+            "type": "shell",
+            "command": "meson setup builddir",
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            },
+        },
+        {
+            "label": "build",
+            "type": "shell",
+            "command": "meson compile -C builddir",
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            },
+            "dependsOn": "setup",
+        }
+    ]
+}

FluxEngine/meson.build

@@ -0,0 +1,54 @@
+flux_inc = include_directories('src/public')
+
+flux_sources = files(
+  'src/private/Engine/Engine.cpp',
+  'src/private/Log.cpp',
+)
+
+# 1) Grab the active C++ compiler
+cpp = meson.get_compiler('cpp')
+ccid = cpp.get_id()  # e.g. 'msvc', 'gcc', 'clang', 'intel', ...
+
+# 2) Decide your D-flag prefix
+if ccid == 'msvc'
+  dflag = '/D'
+else
+  dflag = '-D'
+endif
+
+if meson.get_compiler('cpp').get_id() == 'msvc'
+  add_project_arguments('/utf-8', language: 'cpp')
+endif
+
+spdlog_dep = dependency(
+  'spdlog',
+  required: true,
+  fallback: ['spdlog', 'spdlog_dep'],
+  version: '>=1.15.0',
+  method: 'cmake',
+  static: true,
+)
+
+# 2A) Shared library (DLL + import lib)
+flux_shared = shared_library(
+  'FluxEngine_shared',
+  flux_sources,
+  include_directories: flux_inc,
+  dependencies: [spdlog_dep],
+  cpp_args: [
+    dflag + 'FLUX_BUILD_DLL'
+  ],
+  install: true
+)
+
+# 2B) Static library
+flux_static = static_library(
+  'FluxEngine_static',
+  flux_sources,
+  include_directories: flux_inc,
+  dependencies: [spdlog_dep],
+  cpp_args: [
+    dflag + 'FLUX_STATIC'
+  ],
+  install: true
+)

FluxEngine/src/Flux.h

@@ -1,6 +0,0 @@
-#pragma once
-
-#include "Flux/Application.h"
-#include "Flux/Log.h"
-
-#include "Flux/EntryPoint.h"

FluxEngine/src/Flux/Application.cpp

@@ -1,19 +0,0 @@
-#include "Application.h"
-
-#include "Log.h"
-
-namespace Flux {
-
-	Application::Application()
-	{
-	}
-
-	Application::~Application()
-	{
-	}
-	void Application::Run()
-	{
-		FLUX_CORE_TRACE("FLUX Engine Running!");
-		while (true);
-	}
-}

FluxEngine/src/Flux/Application.h

@@ -1,18 +0,0 @@
-#pragma once
-
-#include "Core.h"
-
-namespace Flux {
-	class FLUX_API Application
-	{
-	public:
-		Application();
-		virtual ~Application();
-
-		void Run();
-	};
-
-	Application* CreateApplication();
-}
-
-

FluxEngine/src/Flux/Core.h

@@ -1,11 +0,0 @@
-#pragma once
-
-#ifdef FLUX_PLATFORM_WINDOWS
-	#ifdef FLUX_BUILD_DLL
-		#define FLUX_API __declspec(dllexport)
-	#else
-		#define FLUX_API __declspec(dllimport)
-	#endif
-#else
-	#error Flux only supports windows!
-#endif

FluxEngine/src/Flux/EntryPoint.h

@@ -1,21 +0,0 @@
-#pragma once
-
-#include "Log.h"
-
-#ifdef FLUX_PLATFORM_WINDOWS
-
-extern Flux::Application* Flux::CreateApplication();
-
-int main(int argc, char** argv)
-{
-    Flux::Log::Init();
-
-    FLUX_CORE_WARN("Logging Initialized!");
-    int a = 5;
-    FLUX_INFO("Hello! {0}", a);
-    
-    auto app = Flux::CreateApplication();
-    app->Run();
-    delete app;
-}
-#endif

FluxEngine/src/Flux/Log.cpp

@@ -1,19 +0,0 @@
-#include "Log.h"
-
-#include "spdlog/sinks/stdout_color_sinks.h"
-
-namespace Flux
-{
-    std::shared_ptr<spdlog::logger> Log::s_CoreLogger;
-    std::shared_ptr<spdlog::logger> Log::s_ClientLogger;
-    
-    void Log::Init()
-    {
-        spdlog::set_pattern("%^[%T] %n: %v%$");
-        s_CoreLogger = spdlog::stdout_color_mt("FLUX");
-        s_CoreLogger->set_level(spdlog::level::trace);
-
-        s_ClientLogger = spdlog::stdout_color_mt("APP");
-        s_ClientLogger->set_level(spdlog::level::trace);
-    }
-}

FluxEngine/src/private/Engine/Engine.cpp

@@ -0,0 +1,58 @@
+#include "Engine/Engine.h"
+
+namespace Flux
+{
+    bool FluxEngine::GIsRunning = false;
+    FluxEngine* FluxEngine::GInstance = nullptr;
+
+    FluxEngine::FluxEngine() : _Logger(*new Logger())
+    {
+        if (GIsRunning)
+        {
+            GetLogger()->LogTrace("Engine already running!");
+            bErrorState = true;
+            return;
+        }
+
+        if (GInstance != nullptr)
+        {
+            FluxEngine* Engine = GetInstance();
+
+            if (Engine)
+            {
+                Engine->GetLogger()->LogTrace("Engine already running!");
+            }
+            return;
+        }
+
+        GInstance = this;
+    }
+
+    FluxEngine::~FluxEngine()
+    {
+        GetLogger()->LogTrace("Engine shutting down!");
+    }
+
+    void FluxEngine::Start()
+    {
+        if (bErrorState)
+        {
+            GetLogger()->LogTrace("Engine failed to start!");
+            return;
+        }
+
+        GetLogger()->LogTrace("Engine started!");
+        GIsRunning = true;
+        EngineLoop();
+    }
+
+    void Flux::FluxEngine::EngineLoop()
+    {
+        while (IsRunning())
+        {
+            GetLogger()->LogTrace("Loop running!");
+            // Main engine loop
+            // Update, render, etc.
+        }
+    }
+}

FluxEngine/src/private/Log.cpp

@@ -0,0 +1,50 @@
+#include "Log.h"
+
+#include "spdlog/spdlog.h"
+#include "spdlog/sinks/stdout_color_sinks.h"
+
+namespace Flux
+{
+    struct LoggerImpl 
+    {
+        LoggerImpl() = default;
+        ~LoggerImpl() = default;
+
+        std::shared_ptr<spdlog::logger> _logger;
+    };
+
+    Logger::~Logger() = default;
+
+    spdlog::logger *Logger::GetLogger() const
+    {
+        return _impl._logger.get();
+    }
+
+    Logger::Logger() : _impl(* new LoggerImpl())
+    {
+        // Initialize the logger
+        if (GetLogger()) {
+            return;
+        }
+
+        // Create a new logger instance
+        spdlog::set_pattern("%^[%T] %n: %v%$");
+        
+        _impl._logger = spdlog::stdout_color_mt("FLUX");
+        _impl._logger->set_level(spdlog::level::trace);
+
+        LogTrace("Logger initialized!");
+    }
+
+    void Logger::LogTrace(const std::string &message)
+    {
+        spdlog::logger* logger = GetLogger();
+
+        if (!logger)
+        {
+            return;
+        }
+
+        logger->trace(message);
+    }
+}

FluxEngine/src/public/Core.h

@@ -0,0 +1,21 @@
+#pragma once
+
+#if defined(_WIN32) || defined(_WIN64)
+  #define FLUX_PLATFORM_WINDOWS
+#elif defined(__linux__)
+  #define FLUX_PLATFORM_LINUX
+#elif defined(__APPLE__) || defined(__MACH__)
+  #define FLUX_PLATFORM_MACOS
+#endif
+
+#if defined(FLUX_PLATFORM_WINDOWS)
+  #if defined(FLUX_BUILD_DLL)
+    #define FLUX_API __declspec(dllexport)
+  #elif defined(FLUX_STATIC)
+    #define FLUX_API 
+  #else
+    #define FLUX_API __declspec(dllimport)
+  #endif
+#else
+  #define FLUX_API
+#endif

FluxEngine/src/public/Engine/Engine.h

@@ -0,0 +1,56 @@
+#pragma once
+
+#include "Core.h"
+#include "Log.h"
+#include <memory>
+
+namespace Flux
+{
+    class FLUX_API FluxEngine
+    {
+    public:
+        FluxEngine();
+        ~FluxEngine();
+
+        void Start();
+
+        static FluxEngine* GetInstance()
+        {
+            return GInstance;
+        }
+
+        static bool IsRunning()
+        {
+            return GIsRunning;
+        }
+
+        static Logger* GetLogger()
+        {
+            if (GIsRunning || GInstance != nullptr)
+            {
+                FluxEngine* Engine = GetInstance();
+                if (Engine)
+                {
+                    return &Engine->_Logger;
+                }
+            }
+
+            return nullptr;
+        }
+
+        void RequestExit()
+        {
+            GIsRunning = false;
+        }
+
+        void EngineLoop();
+
+    private:
+        Flux::Logger& _Logger;
+
+        static bool GIsRunning;
+        static FluxEngine* GInstance;
+
+        bool bErrorState = false;
+    };
+}

FluxEngine/src/public/Flux.h

@@ -0,0 +1,4 @@
+#pragma once
+
+#include "Engine/Engine.h"
+#include "Log.h"

FluxEngine/src/public/Log.h

@@ -1,28 +1,35 @@
 #pragma once
 
 #include <memory>
-
+#include <string>
 
 #include "Core.h"
-#include "spdlog/spdlog.h"
+
+namespace spdlog
+{
+    class logger;
+}
 
 namespace Flux
 {
-    class FLUX_API Log
+    struct LoggerImpl;
+
+    class FLUX_API Logger
     {
     public:
-        static void Init();
-        inline static std::shared_ptr<spdlog::logger>& GetCoreLogger() { return s_CoreLogger; }
-        inline static std::shared_ptr<spdlog::logger>& GetClientLogger() { return s_ClientLogger; }
-    private:
-        static std::shared_ptr<spdlog::logger> s_CoreLogger;
-        static std::shared_ptr<spdlog::logger> s_ClientLogger;
-    };
+    Logger();
+    ~Logger();
 
+    void LogTrace(const std::string& message);
+    private:
+        spdlog::logger* GetLogger() const;
+
+        Flux::LoggerImpl& _impl;
+    };
 }
 
 // Core log macros
-#define FLUX_CORE_TRACE(...) ::Flux::Log::GetCoreLogger()->trace(__VA_ARGS__)
+/*#define FLUX_CORE_TRACE(...) ::Flux::Log::GetCoreLogger()->trace(__VA_ARGS__)
 #define FLUX_CORE_INFO(...) ::Flux::Log::GetCoreLogger()->info(__VA_ARGS__)
 #define FLUX_CORE_WARN(...) ::Flux::Log::GetCoreLogger()->warn(__VA_ARGS__)
 #define FLUX_CORE_ERROR(...) ::Flux::Log::GetCoreLogger()->error(__VA_ARGS__)
@@ -33,4 +40,4 @@ namespace Flux
 #define FLUX_INFO(...) ::Flux::Log::GetCoreLogger()->info(__VA_ARGS__)
 #define FLUX_WARN(...) ::Flux::Log::GetCoreLogger()->warn(__VA_ARGS__)
 #define FLUX_ERROR(...) ::Flux::Log::GetCoreLogger()->error(__VA_ARGS__)
-#define FLUX_FATAL(...) ::Flux::Log::GetCoreLogger()->fatal(__VA_ARGS__)
+#define FLUX_FATAL(...) ::Flux::Log::GetCoreLogger()->fatal(__VA_ARGS__)*/

GenerateProjects.bat

@@ -1,2 +1,59 @@
-call .\vendor\bin\premake\premake5.exe vs2022
-PAUSE
+@echo off
+setlocal enabledelayedexpansion
+
+rem ──────────────────────────────────────────────────
+rem Defaults (override by passing [backend] [build])
+rem ──────────────────────────────────────────────────
+set BUILD_DIR=builddir
+set BACKEND=vs2022
+set BUILD=debug
+
+rem ──────────────────────────────────────────────────
+rem Recognize help flags
+rem ──────────────────────────────────────────────────
+if /I "%~1"=="-?"     goto usage
+if /I "%~1"=="/?"     goto usage
+if /I "%~1"=="-h"     goto usage
+if /I "%~1"=="--help" goto usage
+
+rem ──────────────────────────────────────────────────
+rem Parse positional arguments
+rem ──────────────────────────────────────────────────
+if not "%~1"=="" set BACKEND=%~1
+if not "%~2"=="" set BUILD=%~2
+
+rem ──────────────────────────────────────────────────
+rem Configure or reconfigure with Meson
+rem ──────────────────────────────────────────────────
+if not exist "%BUILD_DIR%" (
+  echo [INFO] Creating build directory "%BUILD_DIR%" with backend "%BACKEND%" and build "%BUILD%"...
+  meson setup "%BUILD_DIR%" --backend=%BACKEND% --buildtype=%BUILD%
+) else (
+  echo [INFO] Reconfiguring "%BUILD_DIR%" with backend "%BACKEND%" and build "%BUILD%"...
+  meson setup --reconfigure "%BUILD_DIR%" --backend=%BACKEND% --buildtype=%BUILD%
+)
+
+if errorlevel 1 (
+  echo [ERROR] Meson configuration failed.
+  exit /b 1
+)
+
+rem ──────────────────────────────────────────────────
+rem Compile
+rem ──────────────────────────────────────────────────
+echo [INFO] Configuration succeeded—starting build...
+meson compile -C "%BUILD_DIR%"
+if errorlevel 1 (
+  echo [ERROR] Build failed.
+  exit /b 1
+)
+
+echo [SUCCESS] Build completed successfully.
+exit /b 0
+
+:usage
+echo Usage: %~nx0 [backend] [build]
+echo.
+echo   backend    ninja       (default) ^| vs2022 ^| vs2019 ^| vs2017
+echo   build      debug       (default) ^| debugoptimized ^| release ^| relwithdebinfo
+exit /b 0

Sandbox/meson.build

@@ -0,0 +1,32 @@
+# 1) Grab the active C++ compiler
+cpp = meson.get_compiler('cpp')
+ccid = cpp.get_id()  # e.g. 'msvc', 'gcc', 'clang', 'intel', ...
+
+# 2) Decide your D-flag prefix
+if ccid == 'msvc'
+  dflag = '/D'
+else
+  dflag = '-D'
+endif
+
+# Point to the public headers of FluxEngine
+sandbox_inc = include_directories(
+  '../FluxEngine/src/public'
+)
+
+executable(
+  'sandbox_Shared',
+  'src/private/SandboxApp.cpp',
+  include_directories: [sandbox_inc, flux_inc],
+  link_with: [ flux_shared ],
+)
+
+executable(
+  'sandbox_Static',
+  'src/private/SandboxApp.cpp',
+  include_directories: [sandbox_inc, flux_inc],
+  link_with: [ flux_static ],
+  cpp_args: [
+    dflag + 'FLUX_STATIC'
+  ],
+)

Sandbox/src/SandboxApp.cpp

@@ -1,19 +0,0 @@
-#include <Flux.h>
-
-class Sandbox : public Flux::Application
-{
-public:
-	Sandbox()
-	{
-		
-	}
-	~Sandbox()
-	{
-		
-	}
-};
-
-Flux::Application* Flux::CreateApplication()
-{
-	return new Sandbox();
-}

Sandbox/src/private/SandboxApp.cpp

@@ -0,0 +1,9 @@
+#include "Flux.h"
+
+int main (int argc, char** argv)
+{
+	Flux::FluxEngine engine;
+	engine.Start();
+	
+	return 0;
+}

meson.build

@@ -0,0 +1,42 @@
+project(
+  'FluxEngine',
+  'cpp',
+  version : '0.1.0',
+  meson_version : '>=0.63.0',
+  default_options : [
+    'cpp_std=c++20',
+    'warning_level=3',
+    'buildtype=debugoptimized',
+  ]
+)
+
+# 1) Grab the active C++ compiler
+cpp = meson.get_compiler('cpp')
+ccid = cpp.get_id()  # e.g. 'msvc', 'gcc', 'clang', 'intel', ...
+
+# 2) Decide your D-flag prefix
+if ccid == 'msvc'
+  dflag = '/D'
+else
+  dflag = '-D'
+endif
+
+if meson.get_compiler('cpp').get_id() == 'msvc'
+  add_project_arguments('/utf-8', language: 'cpp')
+endif
+
+# 4) Build-type macros
+bt = get_option('buildtype')
+if bt == 'debug'
+  add_project_arguments(dflag + 'FLUX_DEBUG', language : 'cpp')
+elif bt == 'release'
+  add_project_arguments(dflag + 'FLUX_RELEASE', language : 'cpp')
+elif bt == 'debugoptimized'
+  add_project_arguments(dflag + 'FLUX_DIST', language : 'cpp')
+else
+  warning('Unrecognized buildtype: ' + bt)
+endif
+
+# Tell Meson to descend into these directories
+subdir('FluxEngine')
+subdir('Sandbox')

premake5.lua

@@ -1,98 +0,0 @@
-workspace "FluxEngine"
-	architecture "x64"
-	startproject "Sandbox"
-
-	configurations { "Debug", "Release", "Dist" }
-
-outputdir = "%{cfg.buildcfg}-%{cfg.system}"
-
-project "FluxEngine"
-	location "FluxEngine"
-	kind "SharedLib"
-	language "C++"
-
-	targetdir ("bin/" .. outputdir .. "/%{prj.name}")
-	objdir ("bin-int/" .. outputdir .. "/%{prj.name}")
-
-	files
-	{
-		"%{prj.name}/src/**.h",
-		"%{prj.name}/src/**.cpp",
-	}
-
-	includedirs
-	{
-		"%{prj.name}/vendor/spdlog/include",
-	}
-
-	filter "system:windows"
-		cppdialect "C++20"
-		staticruntime "on"
-		systemversion "latest"
-		defines
-		{
-			"FLUX_PLATFORM_WINDOWS",
-			"FLUX_BUILD_DLL"
-		}
-
-		postbuildcommands
-		{
-			("{COPY} %{cfg.buildtarget.relpath} ../bin/".. outputdir .. "/Sandbox")
-		}
-	filter "configurations:Debug"
-		defines "FLUX_DEBUG"
-		symbols "On"
-
-	filter "configurations:Release"
-		defines "FLUX_RELEASE"
-		optimize "On"
-
-	filter "configurations:Dist"
-		defines "FLUX_DIST"
-		optimize "On"
-
-project "Sandbox"
-	location "Sandbox"
-	kind "ConsoleApp"
-	language "C++"
-
-	targetdir ("bin/" .. outputdir .. "/%{prj.name}")
-	objdir ("bin-int/" .. outputdir .. "/%{prj.name}")
-
-	files
-	{
-		"%{prj.name}/src/**.h",
-		"%{prj.name}/src/**.cpp",
-	}
-
-	includedirs
-	{
-		"FluxEngine/vendor/spdlog/include",
-		"FluxEngine/src"
-	}
-
-	links
-	{
-		"FluxEngine"
-	}
-
-	filter "system:windows"
-		cppdialect "C++20"
-		staticruntime "on"
-		systemversion "latest"
-		defines
-		{
-			"FLUX_PLATFORM_WINDOWS"
-		}
-
-	filter "configurations:Debug"
-		defines "FLUX_DEBUG"
-		symbols "On"
-
-	filter "configurations:Release"
-		defines "FLUX_RELEASE"
-		optimize "On"
-
-	filter "configurations:Dist"
-		defines "FLUX_DIST"
-		optimize "On"

subprojects/spdlog.wrap

@@ -0,0 +1,13 @@
+[wrap-file]
+directory = spdlog-1.15.2
+source_url = https://github.com/gabime/spdlog/archive/refs/tags/v1.15.2.tar.gz
+source_filename = spdlog-1.15.2.tar.gz
+source_hash = 7a80896357f3e8e920e85e92633b14ba0f229c506e6f978578bdc35ba09e9a5d
+patch_filename = spdlog_1.15.2-3_patch.zip
+patch_url = https://wrapdb.mesonbuild.com/v2/spdlog_1.15.2-3/get_patch
+patch_hash = d5ab078661f571ef5113a8e4bc5c4121e16c044e7772a24b44b1ca8f3ee7c6cb
+source_fallback_url = https://github.com/mesonbuild/wrapdb/releases/download/spdlog_1.15.2-3/spdlog-1.15.2.tar.gz
+wrapdb_version = 1.15.2-3
+
+[provide]
+spdlog = spdlog_dep

vendor/bin/premake/LICENSE.txt

@@ -1,27 +0,0 @@
-Copyright (c) 2003-2022 Jason Perkins and individual contributors.
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
-  1. Redistributions of source code must retain the above copyright notice,
-     this list of conditions and the following disclaimer.
-
-  2. Redistributions in binary form must reproduce the above copyright notice,
-     this list of conditions and the following disclaimer in the documentation
-     and/or other materials provided with the distribution.
-
-  3. Neither the name of Premake nor the names of its contributors may be
-     used to endorse or promote products derived from this software without
-     specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
-FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
-SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
-OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.