internal/cbackend: rename to nintendosdk

Updates #2242

audio/context_nintendosdk.go

@@ -22,7 +22,7 @@ import (
 
 	"github.com/hajimehoshi/oto/v2/mux"
 
-	"github.com/hajimehoshi/ebiten/v2/internal/cbackend"
+	"github.com/hajimehoshi/ebiten/v2/internal/nintendosdk"
 )
 
 func newContext(sampleRate, channelCount, bitDepthInBytes int) (context, chan struct{}, error) {
@@ -30,11 +30,10 @@ func newContext(sampleRate, channelCount, bitDepthInBytes int) (context, chan st
 	close(ready)
 
 	c := &contextProxy{mux.New(sampleRate, channelCount, bitDepthInBytes)}
-	cbackend.OpenAudio(sampleRate, channelCount, c.mux.ReadFloat32s)
+	nintendosdk.OpenAudio(sampleRate, channelCount, c.mux.ReadFloat32s)
 	return c, ready, nil
 }
 
-// contextProxy is a proxy between cbackend.Context and context.
 type contextProxy struct {
 	mux *mux.Mux
 }

internal/gamepad/gamepad_nintendosdk.go

@@ -20,12 +20,12 @@ package gamepad
 import (
 	"time"
 
-	"github.com/hajimehoshi/ebiten/v2/internal/cbackend"
 	"github.com/hajimehoshi/ebiten/v2/internal/gamepaddb"
+	"github.com/hajimehoshi/ebiten/v2/internal/nintendosdk"
 )
 
 type nativeGamepadsImpl struct {
-	gamepads []cbackend.Gamepad
+	gamepads []nintendosdk.Gamepad
 	ids      map[int]struct{}
 }
 
@@ -39,7 +39,7 @@ func (*nativeGamepadsImpl) init(gamepads *gamepads) error {
 
 func (g *nativeGamepadsImpl) update(gamepads *gamepads) error {
 	g.gamepads = g.gamepads[:0]
-	g.gamepads = cbackend.AppendGamepads(g.gamepads)
+	g.gamepads = nintendosdk.AppendGamepads(g.gamepads)
 
 	for id := range g.ids {
 		delete(g.ids, id)
@@ -147,5 +147,5 @@ func (*nativeGamepadImpl) hatState(hat int) int {
 }
 
 func (g *nativeGamepadImpl) vibrate(duration time.Duration, strongMagnitude float64, weakMagnitude float64) {
-	cbackend.VibrateGamepad(g.id, duration, strongMagnitude, weakMagnitude)
+	nintendosdk.VibrateGamepad(g.id, duration, strongMagnitude, weakMagnitude)
 }

internal/nintendosdk/nintendosdk.go

@@ -15,7 +15,7 @@
 //go:build nintendosdk
 // +build nintendosdk
 
-package cbackend
+package nintendosdk
 
 // #cgo !darwin LDFLAGS: -Wl,-unresolved-symbols=ignore-all
 // #cgo darwin LDFLAGS: -Wl,-undefined,dynamic_lookup

internal/ui/input_nintendosdk.go

@@ -20,13 +20,13 @@ package ui
 import (
 	"sync"
 
-	"github.com/hajimehoshi/ebiten/v2/internal/cbackend"
 	"github.com/hajimehoshi/ebiten/v2/internal/gamepad"
+	"github.com/hajimehoshi/ebiten/v2/internal/nintendosdk"
 )
 
 type Input struct {
-	gamepads []cbackend.Gamepad
-	touches  []cbackend.Touch
+	gamepads []nintendosdk.Gamepad
+	touches  []nintendosdk.Touch
 
 	m sync.Mutex
 }
@@ -38,7 +38,7 @@ func (i *Input) update(context *context) {
 	gamepad.Update()
 
 	i.touches = i.touches[:0]
-	i.touches = cbackend.AppendTouches(i.touches)
+	i.touches = nintendosdk.AppendTouches(i.touches)
 
 	for idx, t := range i.touches {
 		x, y := context.adjustPosition(float64(t.X), float64(t.Y), deviceScaleFactor)

internal/ui/ui_nintendosdk.go

@@ -20,9 +20,9 @@ package ui
 import (
 	"runtime"
 
-	"github.com/hajimehoshi/ebiten/v2/internal/cbackend"
 	"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver"
 	"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver/opengl"
+	"github.com/hajimehoshi/ebiten/v2/internal/nintendosdk"
 )
 
 type graphicsDriverCreatorImpl struct{}
@@ -64,17 +64,17 @@ func (u *userInterfaceImpl) Run(game Game) error {
 		return err
 	}
 	u.graphicsDriver = g
-	cbackend.InitializeGame()
+	nintendosdk.InitializeGame()
 	for {
-		cbackend.BeginFrame()
+		nintendosdk.BeginFrame()
 		u.input.update(u.context)
 
-		w, h := cbackend.ScreenSize()
+		w, h := nintendosdk.ScreenSize()
 		if err := u.context.updateFrame(u.graphicsDriver, float64(w), float64(h), deviceScaleFactor); err != nil {
 			return err
 		}
 
-		cbackend.EndFrame()
+		nintendosdk.EndFrame()
 	}
 }