added simple command line parser

Author: mateeeeeee

Adria/Adria.vcxproj

@@ -251,6 +251,7 @@
     <ClInclude Include="Threading\TaskSystem.h" />
     <ClInclude Include="Threading\ThreadPool.h" />
     <ClInclude Include="Utilities\AllocatorUtil.h" />
+    <ClInclude Include="Utilities\CommandLineParser.h" />
     <ClInclude Include="Utilities\FilesUtil.h" />
     <ClInclude Include="Utilities\Heightmap.h" />
     <ClInclude Include="Utilities\LinearAllocator.h" />

Adria/Adria.vcxproj.filters

@@ -419,6 +419,9 @@
     <ClInclude Include="Utilities\Heightmap.h">
       <Filter>Utilities</Filter>
     </ClInclude>
+    <ClInclude Include="Utilities\CommandLineParser.h">
+      <Filter>Utilities</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ResourceCompile Include="Adria.rc">

Adria/Utilities/CommandLineParser.cpp

@@ -0,0 +1,74 @@
+#include "CommandLineParser.h"
+
+namespace adria
+{
+
+	command_line_config_info_t ParseCommandLine(LPWSTR command_line)
+	{
+		command_line_config_info_t config{};
+
+		int argc = 0;
+		LPWSTR* argv = CommandLineToArgvW(command_line, &argc);
+		if (argv == NULL)
+		{
+			OutputDebugStringW(L"Cannot parse command line, returning default configuration\n");
+			return config;
+		}
+
+		if (argc > 0)
+		{
+			CHAR str[256];
+			INT32 i = 0;
+			while (i < argc)
+			{
+				wcstombs(str, argv[i], sizeof(str));
+
+				if (strcmp(str, "-width") == 0)
+				{
+					i++;
+					wcstombs(str, argv[i], sizeof(str));
+					config.window_width = atoi(str);
+				}
+				else if (strcmp(str, "-height") == 0)
+				{
+					i++;
+					wcstombs(str, argv[i], sizeof(str));
+					config.window_height = atoi(str);
+				}
+				else if (strcmp(str, "-title") == 0)
+				{
+					i++;
+					wcstombs(str, argv[i], sizeof(str));
+					config.window_title = str;
+				}
+				else if (strcmp(str, "-max") == 0)
+				{
+					i++;
+					wcstombs(str, argv[i], sizeof(str));
+					if (strcmp(str, "true") == 0) config.window_maximize = true;
+					else if (strcmp(str, "false") == 0) config.window_maximize = false;
+					//else use default
+				}
+				else if (strcmp(str, "-vsync") == 0)
+				{
+					i++;
+					wcstombs(str, argv[i], sizeof(str));
+					if (strcmp(str, "true") == 0) config.vsync = true;
+					else if (strcmp(str, "false") == 0) config.vsync = false;
+					//else use default
+				}
+				else if (strcmp(str, "-log") == 0)
+				{
+					i++;
+					wcstombs(str, argv[i], sizeof(str));
+					config.log_file = (atoi(str) > 0);
+				}
+				i++;
+			}
+		}
+
+		LocalFree(argv);
+		return config;
+	}
+
+}

Adria/Utilities/CommandLineParser.h

@@ -0,0 +1,20 @@
+#pragma once
+#include <string>
+#include "../Core/Definitions.h"
+#include <shellapi.h>
+
+namespace adria
+{
+
+	struct command_line_config_info_t
+	{
+		u32 window_width = 1080;
+		u32 window_height = 720;
+		std::string window_title = "adria";
+		bool window_maximize = false;
+		bool vsync = true;
+		std::string log_file = "adria.log";
+	};
+
+	command_line_config_info_t ParseCommandLine(LPWSTR command_line);
+}

Adria/main.cpp

@@ -4,11 +4,11 @@
 
 #define STB_IMAGE_IMPLEMENTATION  
 #include <stb_image.h>
-#include "Utilities/MemoryLeak.h"
 #include "Core/Window.h"
 #include "Core/Engine.h"
 #include "Editor/Editor.h"
-
+#include "Utilities/MemoryLeak.h"
+#include "Utilities/CommandLineParser.h"
 
 using namespace adria;
 
@@ -25,22 +25,24 @@ int APIENTRY wWinMain(
     instance usage to avoid false memory check
     */
     //MemoryLeak::Checkpoint();
+
+    command_line_config_info_t cmd_line_info = ParseCommandLine(lpCmdLine);
     {
         window_init_t window_init{};
         window_init.instance = hInstance;
-        window_init.width = 1080;
-        window_init.height = 720;
-        window_init.title = "Adria";
-        window_init.maximize = true;
+        window_init.width = cmd_line_info.window_width;
+        window_init.height = cmd_line_info.window_height;
+        window_init.title = cmd_line_info.window_title;
+        window_init.maximize = cmd_line_info.window_maximize;
         Window::Initialize(window_init);
 
         engine_init_t engine_init{};
-        engine_init.vsync = false;
+        engine_init.vsync = cmd_line_info.vsync;
         engine_init.load_default_scene = true;
 
         editor_init_t editor_init{};
         editor_init.engine_init = std::move(engine_init);
-        editor_init.log_file = "adria.log";
+        editor_init.log_file = cmd_line_info.log_file;
 
         Editor editor{ editor_init };