Build: Add deferred compilation shader option

xmake/actions/compileshaders.lua

@@ -0,0 +1,21 @@
+task("compile-shaders")
+
+    set_menu({
+        -- Settings menu usage
+        usage = "xmake compile-shaders [options]",
+        description = "Compile engine shaders"
+    })
+
+    on_run(function ()
+        import("core.project.task")
+
+        print("Compiling NZSLC...")
+        task.run("build", {target = "NazaraShaderCompiler"})
+
+        print("Compiling shaders...")
+        for _, filepath in pairs(os.files("src/Nazara/*/Resources/**.nzsl")) do
+            print(" - Compiling " .. filepath)
+            local argv = {"--compile", "--partial", "--header-file", path.join("..", "..", filepath) }
+            task.run("run", {target = "NazaraShaderCompiler", arguments = argv})
+        end
+    end)