From 3bdd8097b5a277676c3bf7e78f71487944de5f1f Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Sat, 5 Feb 2022 22:21:41 +0900
Subject: [PATCH] internal/uidriver: refactoring: remove the gamepad part

Use the gamepad package instead.
---
 input.go                              |  77 ++++++++++++---
 internal/driver/input.go              |  16 ----
 internal/uidriver/cbackend/gamepad.go | 117 -----------------------
 internal/uidriver/glfw/gamepad.go     | 131 --------------------------
 internal/uidriver/js/input_js.go      | 101 --------------------
 internal/uidriver/js/ui_js.go         |   3 +-
 internal/uidriver/mobile/gamepad.go   | 117 -----------------------
 vibrate.go                            |   8 +-
 8 files changed, 75 insertions(+), 495 deletions(-)
 delete mode 100644 internal/uidriver/cbackend/gamepad.go
 delete mode 100644 internal/uidriver/glfw/gamepad.go
 delete mode 100644 internal/uidriver/mobile/gamepad.go

diff --git a/input.go b/input.go
index f7d94e5c7..21df14e37 100644
--- a/input.go
+++ b/input.go
@@ -16,6 +16,7 @@ package ebiten
 
 import (
 	"github.com/hajimehoshi/ebiten/v2/internal/driver"
+	"github.com/hajimehoshi/ebiten/v2/internal/gamepad"
 	"github.com/hajimehoshi/ebiten/v2/internal/gamepaddb"
 )
 
@@ -128,7 +129,11 @@ type GamepadID = driver.GamepadID
 //
 // GamepadSDLID is concurrent-safe.
 func GamepadSDLID(id GamepadID) string {
-	return uiDriver().Input().GamepadSDLID(id)
+	g := gamepad.Get(id)
+	if g == nil {
+		return ""
+	}
+	return g.SDLID()
 }
 
 // GamepadName returns a string with the name.
@@ -141,7 +146,11 @@ func GamepadSDLID(id GamepadID) string {
 //
 // GamepadName is concurrent-safe.
 func GamepadName(id GamepadID) string {
-	return uiDriver().Input().GamepadName(id)
+	g := gamepad.Get(id)
+	if g == nil {
+		return ""
+	}
+	return g.Name()
 }
 
 // AppendGamepadIDs appends available gamepad IDs to gamepadIDs, and returns the extended buffer.
@@ -149,7 +158,7 @@ func GamepadName(id GamepadID) string {
 //
 // AppendGamepadIDs is concurrent-safe.
 func AppendGamepadIDs(gamepadIDs []GamepadID) []GamepadID {
-	return uiDriver().Input().AppendGamepadIDs(gamepadIDs)
+	return gamepad.AppendGamepadIDs(gamepadIDs)
 }
 
 // GamepadIDs returns a slice indicating available gamepad IDs.
@@ -163,14 +172,22 @@ func GamepadIDs() []GamepadID {
 //
 // GamepadAxisNum is concurrent-safe.
 func GamepadAxisNum(id GamepadID) int {
-	return uiDriver().Input().GamepadAxisNum(id)
+	g := gamepad.Get(id)
+	if g == nil {
+		return 0
+	}
+	return g.AxisCount()
 }
 
 // GamepadAxisValue returns a float value [-1.0 - 1.0] of the given gamepad (id)'s axis (axis).
 //
 // GamepadAxisValue is concurrent-safe.
 func GamepadAxisValue(id GamepadID, axis int) float64 {
-	return uiDriver().Input().GamepadAxisValue(id, axis)
+	g := gamepad.Get(id)
+	if g == nil {
+		return 0
+	}
+	return g.Axis(axis)
 }
 
 // GamepadAxis returns a float value [-1.0 - 1.0] of the given gamepad (id)'s axis (axis).
@@ -184,7 +201,13 @@ func GamepadAxis(id GamepadID, axis int) float64 {
 //
 // GamepadButtonNum is concurrent-safe.
 func GamepadButtonNum(id GamepadID) int {
-	return uiDriver().Input().GamepadButtonNum(id)
+	g := gamepad.Get(id)
+	if g == nil {
+		return 0
+	}
+
+	// For backward compatibility, hats are treated as buttons in GLFW.
+	return g.ButtonCount() + g.HatCount()*4
 }
 
 // IsGamepadButtonPressed reports whether the given button of the gamepad (id) is pressed or not.
@@ -197,7 +220,23 @@ func GamepadButtonNum(id GamepadID) int {
 // The relationships between physical buttons and buttion IDs depend on environments.
 // There can be differences even between Chrome and Firefox.
 func IsGamepadButtonPressed(id GamepadID, button GamepadButton) bool {
-	return uiDriver().Input().IsGamepadButtonPressed(id, button)
+	g := gamepad.Get(id)
+	if g == nil {
+		return false
+	}
+
+	nbuttons := g.ButtonCount()
+	if int(button) < nbuttons {
+		return g.Button(int(button))
+	}
+
+	// For backward compatibility, hats are treated as buttons in GLFW.
+	if hat := (int(button) - nbuttons) / 4; hat < g.HatCount() {
+		dir := (int(button) - nbuttons) % 4
+		return g.Hat(hat)&(1<<dir) != 0
+	}
+
+	return false
 }
 
 // StandardGamepadAxisValue returns a float value [-1.0 - 1.0] of the given gamepad (id)'s standard axis (axis).
@@ -206,7 +245,11 @@ func IsGamepadButtonPressed(id GamepadID, button GamepadButton) bool {
 //
 // StandardGamepadAxisValue is concurrent safe.
 func StandardGamepadAxisValue(id GamepadID, axis StandardGamepadAxis) float64 {
-	return uiDriver().Input().StandardGamepadAxisValue(id, axis)
+	g := gamepad.Get(id)
+	if g == nil {
+		return 0
+	}
+	return g.StandardAxisValue(axis)
 }
 
 // StandardGamepadButtonValue returns a float value [0.0 - 1.0] of the given gamepad (id)'s standard button (button).
@@ -215,7 +258,11 @@ func StandardGamepadAxisValue(id GamepadID, axis StandardGamepadAxis) float64 {
 //
 // StandardGamepadButtonValue is concurrent safe.
 func StandardGamepadButtonValue(id GamepadID, button StandardGamepadButton) float64 {
-	return uiDriver().Input().StandardGamepadButtonValue(id, button)
+	g := gamepad.Get(id)
+	if g == nil {
+		return 0
+	}
+	return g.StandardButtonValue(button)
 }
 
 // IsStandardGamepadButtonPressed reports whether the given gamepad (id)'s standard gamepad button (button) is pressed.
@@ -224,14 +271,22 @@ func StandardGamepadButtonValue(id GamepadID, button StandardGamepadButton) floa
 //
 // IsStandardGamepadButtonPressed is concurrent safe.
 func IsStandardGamepadButtonPressed(id GamepadID, button StandardGamepadButton) bool {
-	return uiDriver().Input().IsStandardGamepadButtonPressed(id, button)
+	g := gamepad.Get(id)
+	if g == nil {
+		return false
+	}
+	return g.IsStandardButtonPressed(button)
 }
 
 // IsStandardGamepadLayoutAvailable reports whether the gamepad (id) has a standard gamepad layout mapping.
 //
 // IsStandardGamepadLayoutAvailable is concurrent-safe.
 func IsStandardGamepadLayoutAvailable(id GamepadID) bool {
-	return uiDriver().Input().IsStandardGamepadLayoutAvailable(id)
+	g := gamepad.Get(id)
+	if g == nil {
+		return false
+	}
+	return g.IsStandardLayoutAvailable()
 }
 
 // UpdateStandardGamepadLayoutMappings parses the specified string mappings in SDL_GameControllerDB format and
diff --git a/internal/driver/input.go b/internal/driver/input.go
index 6be6fe5e5..dc63aa1a9 100644
--- a/internal/driver/input.go
+++ b/internal/driver/input.go
@@ -14,32 +14,16 @@
 
 package driver
 
-import (
-	"time"
-)
-
 type GamepadID int
 
 type TouchID int
 
 type Input interface {
 	AppendInputChars(runes []rune) []rune
-	AppendGamepadIDs(gamepadIDs []GamepadID) []GamepadID
 	AppendTouchIDs(touchIDs []TouchID) []TouchID
 	CursorPosition() (x, y int)
-	GamepadSDLID(id GamepadID) string
-	GamepadName(id GamepadID) string
-	GamepadAxisValue(id GamepadID, axis int) float64
-	GamepadAxisNum(id GamepadID) int
-	GamepadButtonNum(id GamepadID) int
-	IsGamepadButtonPressed(id GamepadID, button GamepadButton) bool
 	IsKeyPressed(key Key) bool
 	IsMouseButtonPressed(button MouseButton) bool
-	IsStandardGamepadButtonPressed(id GamepadID, button StandardGamepadButton) bool
-	IsStandardGamepadLayoutAvailable(id GamepadID) bool
-	StandardGamepadAxisValue(id GamepadID, axis StandardGamepadAxis) float64
-	StandardGamepadButtonValue(id GamepadID, button StandardGamepadButton) float64
 	TouchPosition(id TouchID) (x, y int)
-	VibrateGamepad(id GamepadID, duration time.Duration, strongMagnitude float64, weakMagnitude float64)
 	Wheel() (xoff, yoff float64)
 }
diff --git a/internal/uidriver/cbackend/gamepad.go b/internal/uidriver/cbackend/gamepad.go
deleted file mode 100644
index 24a61be7a..000000000
--- a/internal/uidriver/cbackend/gamepad.go
+++ /dev/null
@@ -1,117 +0,0 @@
-// 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 ebitencbackend
-// +build ebitencbackend
-
-package cbackend
-
-import (
-	"time"
-
-	"github.com/hajimehoshi/ebiten/v2/internal/driver"
-	"github.com/hajimehoshi/ebiten/v2/internal/gamepad"
-)
-
-func (i *Input) AppendGamepadIDs(gamepadIDs []driver.GamepadID) []driver.GamepadID {
-	return gamepad.AppendGamepadIDs(gamepadIDs)
-}
-
-func (i *Input) GamepadSDLID(id driver.GamepadID) string {
-	g := gamepad.Get(id)
-	if g == nil {
-		return ""
-	}
-	return g.SDLID()
-}
-
-func (i *Input) GamepadName(id driver.GamepadID) string {
-	g := gamepad.Get(id)
-	if g == nil {
-		return ""
-	}
-	return g.Name()
-}
-
-func (i *Input) GamepadAxisValue(id driver.GamepadID, axis int) float64 {
-	g := gamepad.Get(id)
-	if g == nil {
-		return 0
-	}
-	return g.Axis(axis)
-}
-
-func (i *Input) GamepadAxisNum(id driver.GamepadID) int {
-	g := gamepad.Get(id)
-	if g == nil {
-		return 0
-	}
-	return g.AxisCount()
-}
-
-func (i *Input) GamepadButtonNum(id driver.GamepadID) int {
-	g := gamepad.Get(id)
-	if g == nil {
-		return 0
-	}
-	return g.ButtonCount()
-}
-
-func (i *Input) IsGamepadButtonPressed(id driver.GamepadID, button driver.GamepadButton) bool {
-	g := gamepad.Get(id)
-	if g == nil {
-		return false
-	}
-	return g.Button(int(button))
-}
-
-func (i *Input) IsStandardGamepadButtonPressed(id driver.GamepadID, button driver.StandardGamepadButton) bool {
-	g := gamepad.Get(id)
-	if g == nil {
-		return false
-	}
-	return g.IsStandardButtonPressed(button)
-}
-
-func (i *Input) IsStandardGamepadLayoutAvailable(id driver.GamepadID) bool {
-	g := gamepad.Get(id)
-	if g == nil {
-		return false
-	}
-	return g.IsStandardLayoutAvailable()
-}
-
-func (i *Input) StandardGamepadAxisValue(id driver.GamepadID, axis driver.StandardGamepadAxis) float64 {
-	g := gamepad.Get(id)
-	if g == nil {
-		return 0
-	}
-	return g.StandardAxisValue(axis)
-}
-
-func (i *Input) StandardGamepadButtonValue(id driver.GamepadID, button driver.StandardGamepadButton) float64 {
-	g := gamepad.Get(id)
-	if g == nil {
-		return 0
-	}
-	return g.StandardButtonValue(button)
-}
-
-func (i *Input) VibrateGamepad(id driver.GamepadID, duration time.Duration, strongMagnitude float64, weakMagnitude float64) {
-	g := gamepad.Get(id)
-	if g == nil {
-		return
-	}
-	g.Vibrate(duration, strongMagnitude, weakMagnitude)
-}
diff --git a/internal/uidriver/glfw/gamepad.go b/internal/uidriver/glfw/gamepad.go
deleted file mode 100644
index 1381b4d08..000000000
--- a/internal/uidriver/glfw/gamepad.go
+++ /dev/null
@@ -1,131 +0,0 @@
-// 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 !android && !js && !ios
-// +build !android,!js,!ios
-
-package glfw
-
-import (
-	"time"
-
-	"github.com/hajimehoshi/ebiten/v2/internal/driver"
-	gamepadpkg "github.com/hajimehoshi/ebiten/v2/internal/gamepad"
-)
-
-func (i *Input) AppendGamepadIDs(gamepadIDs []driver.GamepadID) []driver.GamepadID {
-	return gamepadpkg.AppendGamepadIDs(gamepadIDs)
-}
-
-func (i *Input) GamepadSDLID(id driver.GamepadID) string {
-	g := gamepadpkg.Get(id)
-	if g == nil {
-		return ""
-	}
-	return g.SDLID()
-}
-
-func (i *Input) GamepadName(id driver.GamepadID) string {
-	g := gamepadpkg.Get(id)
-	if g == nil {
-		return ""
-	}
-	return g.Name()
-}
-
-func (i *Input) GamepadAxisNum(id driver.GamepadID) int {
-	g := gamepadpkg.Get(id)
-	if g == nil {
-		return 0
-	}
-	return g.AxisCount()
-}
-
-func (i *Input) GamepadAxisValue(id driver.GamepadID, axis int) float64 {
-	g := gamepadpkg.Get(id)
-	if g == nil {
-		return 0
-	}
-	return g.Axis(axis)
-}
-
-func (i *Input) GamepadButtonNum(id driver.GamepadID) int {
-	g := gamepadpkg.Get(id)
-	if g == nil {
-		return 0
-	}
-
-	// For backward compatibility, hats are treated as buttons in GLFW.
-	return g.ButtonCount() + g.HatCount()*4
-}
-
-func (i *Input) IsGamepadButtonPressed(id driver.GamepadID, button driver.GamepadButton) bool {
-	g := gamepadpkg.Get(id)
-	if g == nil {
-		return false
-	}
-
-	nbuttons := g.ButtonCount()
-	if int(button) < nbuttons {
-		return g.Button(int(button))
-	}
-
-	// For backward compatibility, hats are treated as buttons in GLFW.
-	if hat := (int(button) - nbuttons) / 4; hat < g.HatCount() {
-		dir := (int(button) - nbuttons) % 4
-		return g.Hat(hat)&(1<<dir) != 0
-	}
-
-	return false
-}
-
-func (i *Input) IsStandardGamepadLayoutAvailable(id driver.GamepadID) bool {
-	g := gamepadpkg.Get(id)
-	if g == nil {
-		return false
-	}
-	return g.IsStandardLayoutAvailable()
-}
-
-func (i *Input) StandardGamepadAxisValue(id driver.GamepadID, axis driver.StandardGamepadAxis) float64 {
-	g := gamepadpkg.Get(id)
-	if g == nil {
-		return 0
-	}
-	return g.StandardAxisValue(axis)
-}
-
-func (i *Input) StandardGamepadButtonValue(id driver.GamepadID, button driver.StandardGamepadButton) float64 {
-	g := gamepadpkg.Get(id)
-	if g == nil {
-		return 0
-	}
-	return g.StandardButtonValue(button)
-}
-
-func (i *Input) IsStandardGamepadButtonPressed(id driver.GamepadID, button driver.StandardGamepadButton) bool {
-	g := gamepadpkg.Get(id)
-	if g == nil {
-		return false
-	}
-	return g.IsStandardButtonPressed(button)
-}
-
-func (i *Input) VibrateGamepad(id driver.GamepadID, duration time.Duration, strongMagnitude float64, weakMagnitude float64) {
-	g := gamepadpkg.Get(id)
-	if g == nil {
-		return
-	}
-	g.Vibrate(duration, strongMagnitude, weakMagnitude)
-}
diff --git a/internal/uidriver/js/input_js.go b/internal/uidriver/js/input_js.go
index a59f36817..8587ee03b 100644
--- a/internal/uidriver/js/input_js.go
+++ b/internal/uidriver/js/input_js.go
@@ -16,11 +16,9 @@ package js
 
 import (
 	"syscall/js"
-	"time"
 	"unicode"
 
 	"github.com/hajimehoshi/ebiten/v2/internal/driver"
-	"github.com/hajimehoshi/ebiten/v2/internal/gamepad"
 )
 
 var (
@@ -83,61 +81,6 @@ func (i *Input) CursorPosition() (x, y int) {
 	return int(xf), int(yf)
 }
 
-func (i *Input) GamepadSDLID(id driver.GamepadID) string {
-	g := gamepad.Get(id)
-	if g == nil {
-		return ""
-	}
-	return g.SDLID()
-}
-
-// GamepadName returns a string containing some information about the controller.
-// A PS2 controller returned "810-3-USB Gamepad" on Firefox
-// A Xbox 360 controller returned "xinput" on Firefox and "Xbox 360 Controller (XInput STANDARD GAMEPAD)" on Chrome
-func (i *Input) GamepadName(id driver.GamepadID) string {
-	g := gamepad.Get(id)
-	if g == nil {
-		return ""
-	}
-	return g.Name()
-}
-
-func (i *Input) AppendGamepadIDs(gamepadIDs []driver.GamepadID) []driver.GamepadID {
-	return gamepad.AppendGamepadIDs(gamepadIDs)
-}
-
-func (i *Input) GamepadAxisNum(id driver.GamepadID) int {
-	g := gamepad.Get(id)
-	if g == nil {
-		return 0
-	}
-	return g.AxisCount()
-}
-
-func (i *Input) GamepadAxisValue(id driver.GamepadID, axis int) float64 {
-	g := gamepad.Get(id)
-	if g == nil {
-		return 0
-	}
-	return g.Axis(axis)
-}
-
-func (i *Input) GamepadButtonNum(id driver.GamepadID) int {
-	g := gamepad.Get(id)
-	if g == nil {
-		return 0
-	}
-	return g.ButtonCount()
-}
-
-func (i *Input) IsGamepadButtonPressed(id driver.GamepadID, button driver.GamepadButton) bool {
-	g := gamepad.Get(id)
-	if g == nil {
-		return false
-	}
-	return g.Button(int(button))
-}
-
 func (i *Input) AppendTouchIDs(touchIDs []driver.TouchID) []driver.TouchID {
 	for id := range i.touches {
 		touchIDs = append(touchIDs, id)
@@ -252,10 +195,6 @@ func (i *Input) mouseUp(code int) {
 	i.mouseButtonPressed[code] = false
 }
 
-func (i *Input) updateGamepads() {
-	gamepad.Update()
-}
-
 func (i *Input) updateFromEvent(e js.Value) {
 	// Avoid using js.Value.String() as String creates a Uint8Array via a TextEncoder and causes a heavy
 	// overhead (#1437).
@@ -376,43 +315,3 @@ func (i *Input) updateForGo2Cpp() {
 		}
 	}
 }
-
-func (i *Input) IsStandardGamepadLayoutAvailable(id driver.GamepadID) bool {
-	g := gamepad.Get(id)
-	if g == nil {
-		return false
-	}
-	return g.IsStandardLayoutAvailable()
-}
-
-func (i *Input) StandardGamepadAxisValue(id driver.GamepadID, axis driver.StandardGamepadAxis) float64 {
-	g := gamepad.Get(id)
-	if g == nil {
-		return 0
-	}
-	return g.StandardAxisValue(axis)
-}
-
-func (i *Input) StandardGamepadButtonValue(id driver.GamepadID, button driver.StandardGamepadButton) float64 {
-	g := gamepad.Get(id)
-	if g == nil {
-		return 0
-	}
-	return g.StandardButtonValue(button)
-}
-
-func (i *Input) IsStandardGamepadButtonPressed(id driver.GamepadID, button driver.StandardGamepadButton) bool {
-	g := gamepad.Get(id)
-	if g == nil {
-		return false
-	}
-	return g.IsStandardButtonPressed(button)
-}
-
-func (i *Input) VibrateGamepad(id driver.GamepadID, duration time.Duration, strongMagnitude float64, weakMagnitude float64) {
-	g := gamepad.Get(id)
-	if g == nil {
-		return
-	}
-	g.Vibrate(duration, strongMagnitude, weakMagnitude)
-}
diff --git a/internal/uidriver/js/ui_js.go b/internal/uidriver/js/ui_js.go
index 7fe0f2e99..d59da63f5 100644
--- a/internal/uidriver/js/ui_js.go
+++ b/internal/uidriver/js/ui_js.go
@@ -20,6 +20,7 @@ import (
 
 	"github.com/hajimehoshi/ebiten/v2/internal/devicescale"
 	"github.com/hajimehoshi/ebiten/v2/internal/driver"
+	"github.com/hajimehoshi/ebiten/v2/internal/gamepad"
 	"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver/opengl"
 	"github.com/hajimehoshi/ebiten/v2/internal/hooks"
 )
@@ -290,7 +291,7 @@ func (u *UserInterface) updateImpl(force bool) error {
 		return nil
 	}
 
-	u.input.updateGamepads()
+	gamepad.Update()
 	u.input.updateForGo2Cpp()
 	u.updateSize()
 	if force {
diff --git a/internal/uidriver/mobile/gamepad.go b/internal/uidriver/mobile/gamepad.go
deleted file mode 100644
index e403d27fc..000000000
--- a/internal/uidriver/mobile/gamepad.go
+++ /dev/null
@@ -1,117 +0,0 @@
-// 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 android || ios
-// +build android ios
-
-package mobile
-
-import (
-	"time"
-
-	"github.com/hajimehoshi/ebiten/v2/internal/driver"
-	"github.com/hajimehoshi/ebiten/v2/internal/gamepad"
-)
-
-func (i *Input) AppendGamepadIDs(gamepadIDs []driver.GamepadID) []driver.GamepadID {
-	return gamepad.AppendGamepadIDs(gamepadIDs)
-}
-
-func (i *Input) GamepadSDLID(id driver.GamepadID) string {
-	g := gamepad.Get(id)
-	if g == nil {
-		return ""
-	}
-	return g.SDLID()
-}
-
-func (i *Input) GamepadName(id driver.GamepadID) string {
-	g := gamepad.Get(id)
-	if g == nil {
-		return ""
-	}
-	return g.Name()
-}
-
-func (i *Input) GamepadAxisNum(id driver.GamepadID) int {
-	g := gamepad.Get(id)
-	if g == nil {
-		return 0
-	}
-	return g.AxisCount()
-}
-
-func (i *Input) GamepadAxisValue(id driver.GamepadID, axis int) float64 {
-	g := gamepad.Get(id)
-	if g == nil {
-		return 0
-	}
-	return g.Axis(axis)
-}
-
-func (i *Input) GamepadButtonNum(id driver.GamepadID) int {
-	g := gamepad.Get(id)
-	if g == nil {
-		return 0
-	}
-	return g.ButtonCount()
-}
-
-func (i *Input) IsGamepadButtonPressed(id driver.GamepadID, button driver.GamepadButton) bool {
-	g := gamepad.Get(id)
-	if g == nil {
-		return false
-	}
-	return g.Button(int(button))
-}
-
-func (i *Input) IsStandardGamepadLayoutAvailable(id driver.GamepadID) bool {
-	g := gamepad.Get(id)
-	if g == nil {
-		return false
-	}
-	return g.IsStandardLayoutAvailable()
-}
-
-func (i *Input) IsStandardGamepadButtonPressed(id driver.GamepadID, button driver.StandardGamepadButton) bool {
-	g := gamepad.Get(id)
-	if g == nil {
-		return false
-	}
-	return g.IsStandardButtonPressed(button)
-}
-
-func (i *Input) StandardGamepadButtonValue(id driver.GamepadID, button driver.StandardGamepadButton) float64 {
-	g := gamepad.Get(id)
-	if g == nil {
-		return 0
-	}
-	return g.StandardButtonValue(button)
-}
-
-func (i *Input) StandardGamepadAxisValue(id driver.GamepadID, axis driver.StandardGamepadAxis) float64 {
-	g := gamepad.Get(id)
-	if g == nil {
-		return 0
-	}
-	return g.StandardAxisValue(axis)
-}
-
-func (i *Input) VibrateGamepad(id driver.GamepadID, duration time.Duration, strongMagnitude float64, weakMagnitude float64) {
-	g := gamepad.Get(id)
-	if g == nil {
-		return
-	}
-	g.Vibrate(duration, strongMagnitude, weakMagnitude)
-}
diff --git a/vibrate.go b/vibrate.go
index 6d955bc4c..cb9723d8b 100644
--- a/vibrate.go
+++ b/vibrate.go
@@ -16,6 +16,8 @@ package ebiten
 
 import (
 	"time"
+
+	"github.com/hajimehoshi/ebiten/v2/internal/gamepad"
 )
 
 // VibrateOptions represents the options for device vibration.
@@ -69,5 +71,9 @@ type VibrateGamepadOptions struct {
 //
 // VibrateGamepad is concurrent-safe.
 func VibrateGamepad(gamepadID GamepadID, options *VibrateGamepadOptions) {
-	uiDriver().Input().VibrateGamepad(gamepadID, options.Duration, options.StrongMagnitude, options.WeakMagnitude)
+	g := gamepad.Get(gamepadID)
+	if g == nil {
+		return
+	}
+	g.Vibrate(options.Duration, options.StrongMagnitude, options.WeakMagnitude)
 }