internal/gamepad: add gamepad_null.go

internal/gamepad/gamepad.go

@@ -12,9 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build (darwin && !ios) || js || windows
-// +build darwin,!ios js windows
-
 package gamepad
 
 import (

internal/gamepad/gamepad_null.go

@@ -0,0 +1,76 @@
+// Copyright 2022 The Ebiten Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build (!darwin || ios) && !js && !windows
+// +build !darwin ios
+// +build !js
+// +build !windows
+
+package gamepad
+
+import (
+	"time"
+)
+
+type nativeGamepads struct{}
+
+func (*nativeGamepads) init(gamepads *gamepads) error {
+	return nil
+}
+
+func (*nativeGamepads) update(gamepads *gamepads) error {
+	return nil
+}
+
+type nativeGamepad struct{}
+
+func (*nativeGamepad) update(gamepad *gamepads) error {
+	return nil
+}
+
+func (*nativeGamepad) hasOwnStandardLayoutMapping() bool {
+	return false
+}
+
+func (*nativeGamepad) axisCount() int {
+	return 0
+}
+
+func (*nativeGamepad) buttonCount() int {
+	return 0
+}
+
+func (*nativeGamepad) hatCount() int {
+	return 0
+}
+
+func (*nativeGamepad) axisValue(axis int) float64 {
+	return 0
+}
+
+func (*nativeGamepad) isButtonPressed(button int) bool {
+	return false
+}
+
+func (*nativeGamepad) buttonValue(button int) float64 {
+	panic("gamepad: buttonValue is not implemented")
+}
+
+func (*nativeGamepad) hatState(hat int) int {
+	return hatCentered
+}
+
+func (g *nativeGamepad) vibrate(duration time.Duration, strongMagnitude float64, weakMagnitude float64) {
+	// TODO: Implement this (#1452)
+}