vendor dependencies, make some changes to how input is done

vendor/github.com/ebitengine/hideconsole/hideconsole_windows.go

@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2024 The Ebitengine Authors
+
+package hideconsole
+
+import (
+	"fmt"
+
+	"golang.org/x/sys/windows"
+)
+
+var (
+	kernel32 = windows.NewLazySystemDLL("kernel32.dll")
+	user32   = windows.NewLazySystemDLL("user32.dll")
+
+	procFreeConsoleWindow = kernel32.NewProc("FreeConsole")
+	procGetConsoleWindow  = kernel32.NewProc("GetConsoleWindow")
+)
+
+func freeConsole() error {
+	r, _, e := procFreeConsoleWindow.Call()
+	if int32(r) == 0 {
+		if e != nil && e != windows.ERROR_SUCCESS {
+			return fmt.Errorf("FreeConsole failed: %w", e)
+		}
+		return fmt.Errorf("FreeConsole returned 0")
+	}
+	return nil
+}
+
+func getConsoleWindow() windows.HWND {
+	r, _, _ := procGetConsoleWindow.Call()
+	return windows.HWND(r)
+}
+
+// hideConsoleWindow will hide the console window that is showing when
+// compiling on Windows without specifying the '-ldflags "-Hwindowsgui"' flag.
+func hideConsoleWindow() {
+	// In Xbox, GetWindowThreadProcessId might not exist.
+	if user32.NewProc("GetWindowThreadProcessId").Find() != nil {
+		return
+	}
+
+	pid := windows.GetCurrentProcessId()
+
+	// Get the process ID of the console's creator.
+	var cpid uint32
+	if _, err := windows.GetWindowThreadProcessId(getConsoleWindow(), &cpid); err != nil {
+		// Even if closing the console fails, this is not harmful.
+		// Ignore error.
+		return
+	}
+
+	if pid == cpid {
+		// The current process created its own console. Hide this.
+		// Ignore error.
+		_ = freeConsole()
+	}
+}
+
+func init() {
+	hideConsoleWindow()
+}