build system update

Create-Solution.bat

@@ -1,2 +1,4 @@
+ECHO OFF
+ECHO Project files will be written to ./build
 .\vendor\premake5\premake5.exe vs2022
 PAUSE

premake5.lua

@@ -7,6 +7,8 @@ local vorbis = require("vendor/vorbis/build-vorbis")
 local freetype = require("vendor/freetype/build-freetype")
 local imguisfml = require("vendor/imgui-sfml/build-imgui-sfml")
 
+local snake = require("project")
+
 workspace "snake"
 	architecture "x64"
 	startproject"snake"
@@ -22,9 +24,9 @@ workspace "snake"
 
 
 	output_dir = "%{cfg.buildcfg}-%{cfg.system}-%{cfg.architecture}"
-	intdir = "../intermediate-files/"
-	bindir = "../bin/" .. output_dir
-	liboutdir = "../lib/" .. output_dir
+	intdir = "intermediate-files/"
+	bindir = "bin/" .. output_dir
+	liboutdir = "lib/" .. output_dir
 
 	externalwarnings "Off"
 
@@ -51,43 +53,4 @@ workspace "snake"
 		imguisfml.generateproject(liboutdir, intdir)
 	group""
 
-	project "snake"
-		language "C++"
-		cppdialect "C++20"
-		systemversion "latest"
-		kind "WindowedApp"
-		targetname "snake"
-		targetdir (bindir)
-		objdir (intdir)
-		debugdir (path.getabsolute(path.getdirectory(_SCRIPT)))
-
-
-		imguisfml.link()
-		sfml.link()
-
-		includedirs
-		{
-			"src",
-			"include",
-		}
-
-		files 
-		{
-			"src/**.cpp",
-			"include/**.h",
-			"include/**.hpp",
-		}
-
-		--windows specific settings--
-		filter{"system:windows"}
-			defines {"PLATFORM_WINDOWS"}
-
-		filter {"system:windows", "configurations:debug"}
-			defines{"_DEBUG", "_CONSOLE"}
-
-		filter {"system:windows", "configurations:release"}
-			defines{"NDEBUG"}
-
-		--linux specific settings--
-		filter {"system:linux"}
-			defines {"PLATFORM_LINUX"}
+	snake.generateproject(bindir, intdir)

project.lua

@@ -0,0 +1,51 @@
+local m = {}
+
+local scriptdir = path.getabsolute(path.getdirectory(_SCRIPT))
+local sfml = require("../vendor/sfml/build-sfml")
+local imguisfml = require("../vendor/imgui-sfml/build-imgui-sfml")
+
+function m.generateproject(bindir, intdir)
+project "snake"
+    language "C++"
+    cppdialect "C++20"
+    systemversion "latest"
+    kind "WindowedApp"
+    targetname "snake"
+    targetdir (bindir)
+    debugdir (scriptdir)
+    objdir (intdir)
+
+    -- link order matters on GCC/Clang
+    imguisfml.link()
+    sfml.link()
+
+    includedirs
+    {
+        path.join(scriptdir, "src"),
+        path.join(scriptdir, "include"),
+    }
+
+    files
+    {
+        path.join(scriptdir, "src/**.cpp"),
+        path.join(scriptdir, "include/**.h"),
+        path.join(scriptdir, "include/**.hpp"),
+    }
+
+    --windows specific settings--
+    filter{"system:windows"}
+    defines {"PLATFORM_WINDOWS"}
+
+    filter {"system:windows", "configurations:debug"}
+    defines{"_DEBUG", "_CONSOLE"}
+
+    filter {"system:windows", "configurations:release"}
+    defines{"NDEBUG"}
+
+    --linux specific settings--
+    filter {"system:linux"}
+    defines {"PLATFORM_LINUX"}
+
+end
+
+return m