Add Switch game framework target

xmake.lua

@@ -35,6 +35,7 @@ if is_plat("windows") then
     target("Frostbite2DGame")
         set_kind("binary")
         add_files("game/src/**.cpp")
+        remove_files("game/src/switch_game_main.cpp")
         add_deps("Frostbite2D")
         add_packages("libsdl2")
         add_packages("libsdl2_image")
@@ -49,3 +50,35 @@ if is_plat("windows") then
         end)
     target_end()
 end
+
+if is_plat("switch") then
+    target("Frostbite2DGameSwitch")
+        set_kind("binary")
+        set_filename("Frostbite2DGame.elf")
+        add_files("game/src/**.cpp")
+        remove_files("game/src/main.cpp")
+        add_deps("Frostbite2D")
+        add_cxflags("-D__SWITCH__", "-fPIE", {public = true})
+        add_ldflags("-specs=" .. path.join(os.getenv("DEVKITPRO") or "C:/devkitPro", "libnx/switch.specs"), "-fPIE", {force = true})
+        after_build(function (target)
+            local outdir = path.join(target:targetdir(), "switch_game")
+            os.mkdir(outdir)
+            os.cp(path.join(os.projectdir(), "game/assets"),
+                  path.join(outdir, "assets"))
+
+            local devkitpro = os.getenv("DEVKITPRO") or "C:/devkitPro"
+            local tools = path.join(devkitpro, "tools/bin")
+            local libnx = path.join(devkitpro, "libnx")
+            local nacp = path.join(outdir, "control.nacp")
+            local nro = path.join(outdir, "NSUnknownGame.nro")
+            os.execv(path.join(tools, "nacptool.exe"), {
+                "--create", "NS Unknown Game", "Frostbite2D", "1.0.0", nacp
+            })
+            os.execv(path.join(tools, "elf2nro.exe"), {
+                target:targetfile(), nro,
+                "--nacp=" .. nacp,
+                "--icon=" .. path.join(libnx, "default_icon.jpg")
+            })
+        end)
+    target_end()
+end