examples/blocks: Rename enums and functions

examples/blocks/blocks/gamepad.go

@@ -20,36 +20,14 @@ import (
 	"github.com/hajimehoshi/ebiten"
 )
 
-// A StdButton represents a standard gamepad button.
-// See also: http://www.w3.org/TR/gamepad/
-//    [UL0]            [UR0]
-//    [UL1]            [UR1]
-//
-//    [LU]     [CC]     [RU]
-//  [LL][LR] [CL][CR] [RL][RR]
-//    [LD]              [RD]
-//         [AL]    [AR]
-type StdButton int
+type abstractButton int
 
 const (
-	StdButtonNone StdButton = iota
-	StdButtonLL
-	StdButtonLR
-	StdButtonLU
-	StdButtonLD
-	StdButtonCL
-	StdButtonCC
-	StdButtonCR
-	StdButtonRL
-	StdButtonRR
-	StdButtonRU
-	StdButtonRD
-	StdButtonUL0
-	StdButtonUL1
-	StdButtonUR0
-	StdButtonUR1
-	StdButtonAL
-	StdButtonAR
+	abstractButtonLeft abstractButton = iota
+	abstractButtonRight
+	abstractButtonDown
+	abstractButtonButtonA
+	abstractButtonButtonB
 )
 
 const threshold = 0.75
@@ -59,20 +37,20 @@ type axis struct {
 	positive bool
 }
 
-type Configuration struct {
-	current         StdButton
-	buttons         map[StdButton]ebiten.GamepadButton
-	axes            map[StdButton]axis
+type gamepadConfig struct {
+	current         abstractButton
+	buttons         map[abstractButton]ebiten.GamepadButton
+	axes            map[abstractButton]axis
 	assignedButtons map[ebiten.GamepadButton]struct{}
 	assignedAxes    map[axis]struct{}
 }
 
-func (c *Configuration) initializeIfNeeded() {
+func (c *gamepadConfig) initializeIfNeeded() {
 	if c.buttons == nil {
-		c.buttons = map[StdButton]ebiten.GamepadButton{}
+		c.buttons = map[abstractButton]ebiten.GamepadButton{}
 	}
 	if c.axes == nil {
-		c.axes = map[StdButton]axis{}
+		c.axes = map[abstractButton]axis{}
 	}
 	if c.assignedButtons == nil {
 		c.assignedButtons = map[ebiten.GamepadButton]struct{}{}
@@ -82,14 +60,14 @@ func (c *Configuration) initializeIfNeeded() {
 	}
 }
 
-func (c *Configuration) Reset() {
+func (c *gamepadConfig) Reset() {
 	c.buttons = nil
 	c.axes = nil
 	c.assignedButtons = nil
 	c.assignedAxes = nil
 }
 
-func (c *Configuration) Scan(index int, b StdButton) bool {
+func (c *gamepadConfig) Scan(index int, b abstractButton) bool {
 	c.initializeIfNeeded()
 
 	delete(c.buttons, b)
@@ -130,7 +108,7 @@ func (c *Configuration) Scan(index int, b StdButton) bool {
 	return false
 }
 
-func (c *Configuration) IsButtonPressed(id int, b StdButton) bool {
+func (c *gamepadConfig) IsButtonPressed(id int, b abstractButton) bool {
 	c.initializeIfNeeded()
 
 	bb, ok := c.buttons[b]
@@ -149,7 +127,7 @@ func (c *Configuration) IsButtonPressed(id int, b StdButton) bool {
 	return false
 }
 
-func (c *Configuration) Name(b StdButton) string {
+func (c *gamepadConfig) Name(b abstractButton) string {
 	c.initializeIfNeeded()
 
 	bb, ok := c.buttons[b]

examples/blocks/blocks/gamepadscene.go

@@ -43,9 +43,9 @@ func (s *GamepadScene) Update(state *GameState) error {
 	}
 
 	if s.buttonStates == nil {
-		s.buttonStates = make([]string, len(gamepadStdButtons))
+		s.buttonStates = make([]string, len(gamepadAbstractButtons))
 	}
-	for i, b := range gamepadStdButtons {
+	for i, b := range gamepadAbstractButtons {
 		if i < s.currentIndex {
 			s.buttonStates[i] = strings.ToUpper(state.Input.gamepadConfig.Name(b))
 			continue
@@ -65,10 +65,10 @@ func (s *GamepadScene) Update(state *GameState) error {
 		return nil
 	}
 
-	b := gamepadStdButtons[s.currentIndex]
+	b := gamepadAbstractButtons[s.currentIndex]
 	if state.Input.gamepadConfig.Scan(0, b) {
 		s.currentIndex++
-		if s.currentIndex == len(gamepadStdButtons) {
+		if s.currentIndex == len(gamepadAbstractButtons) {
 			s.countAfterSetting = ebiten.FPS
 		}
 	}
@@ -102,7 +102,7 @@ ROTATE RIGHT: %s
 
 %s`
 	msg := ""
-	if s.currentIndex == len(gamepadStdButtons) {
+	if s.currentIndex == len(gamepadAbstractButtons) {
 		msg = "OK!"
 	}
 	str := fmt.Sprintf(f, s.buttonStates[0], s.buttonStates[1], s.buttonStates[2], s.buttonStates[3], s.buttonStates[4], msg)

examples/blocks/blocks/input.go

@@ -18,19 +18,19 @@ import (
 	"github.com/hajimehoshi/ebiten"
 )
 
-var gamepadStdButtons = []StdButton{
-	StdButtonLL,
-	StdButtonLR,
-	StdButtonLD,
-	StdButtonRD,
-	StdButtonRR,
+var gamepadAbstractButtons = []abstractButton{
+	abstractButtonLeft,
+	abstractButtonRight,
+	abstractButtonDown,
+	abstractButtonButtonA,
+	abstractButtonButtonB,
 }
 
 type Input struct {
-	keyStates              [256]int
-	gamepadButtonStates    [256]int
-	gamepadStdButtonStates [16]int
-	gamepadConfig          Configuration
+	keyStates                   [256]int
+	gamepadButtonStates         [256]int
+	gamepadAbstractButtonStates [16]int
+	gamepadConfig               gamepadConfig
 }
 
 func (i *Input) StateForKey(key ebiten.Key) int {
@@ -41,8 +41,8 @@ func (i *Input) StateForGamepadButton(b ebiten.GamepadButton) int {
 	return i.gamepadButtonStates[b]
 }
 
-func (i *Input) stateForGamepadStdButton(b StdButton) int {
-	return i.gamepadStdButtonStates[b]
+func (i *Input) stateForGamepadAbstractButton(b abstractButton) int {
+	return i.gamepadAbstractButtonStates[b]
 }
 
 func (i *Input) Update() {
@@ -63,12 +63,12 @@ func (i *Input) Update() {
 		i.gamepadButtonStates[b]++
 	}
 
-	for _, b := range gamepadStdButtons {
+	for _, b := range gamepadAbstractButtons {
 		if !i.gamepadConfig.IsButtonPressed(gamepadID, b) {
-			i.gamepadStdButtonStates[b] = 0
+			i.gamepadAbstractButtonStates[b] = 0
 			continue
 		}
-		i.gamepadStdButtonStates[b]++
+		i.gamepadAbstractButtonStates[b]++
 	}
 }
 
@@ -76,14 +76,14 @@ func (i *Input) IsRotateRightTrigger() bool {
 	if i.StateForKey(ebiten.KeySpace) == 1 || i.StateForKey(ebiten.KeyX) == 1 {
 		return true
 	}
-	return i.stateForGamepadStdButton(StdButtonRR) == 1
+	return i.stateForGamepadAbstractButton(abstractButtonButtonB) == 1
 }
 
 func (i *Input) IsRotateLeftTrigger() bool {
 	if i.StateForKey(ebiten.KeyZ) == 1 {
 		return true
 	}
-	return i.stateForGamepadStdButton(StdButtonRD) == 1
+	return i.stateForGamepadAbstractButton(abstractButtonButtonA) == 1
 }
 
 func (i *Input) StateForLeft() int {
@@ -91,7 +91,7 @@ func (i *Input) StateForLeft() int {
 	if 0 < v {
 		return v
 	}
-	return i.stateForGamepadStdButton(StdButtonLL)
+	return i.stateForGamepadAbstractButton(abstractButtonLeft)
 }
 
 func (i *Input) StateForRight() int {
@@ -99,7 +99,7 @@ func (i *Input) StateForRight() int {
 	if 0 < v {
 		return v
 	}
-	return i.stateForGamepadStdButton(StdButtonLR)
+	return i.stateForGamepadAbstractButton(abstractButtonRight)
 }
 
 func (i *Input) StateForDown() int {
@@ -107,5 +107,5 @@ func (i *Input) StateForDown() int {
 	if 0 < v {
 		return v
 	}
-	return i.stateForGamepadStdButton(StdButtonLD)
+	return i.stateForGamepadAbstractButton(abstractButtonDown)
 }

examples/blocks/blocks/titlescene.go

@@ -68,8 +68,8 @@ func NewTitleScene() *TitleScene {
 	}
 }
 
-func anyGamepadStdButtonPressed(i *Input) bool {
-	for _, b := range gamepadStdButtons {
+func anyGamepadAbstractButtonPressed(i *Input) bool {
+	for _, b := range gamepadAbstractButtons {
 		if i.gamepadConfig.IsButtonPressed(0, b) {
 			return true
 		}
@@ -93,7 +93,7 @@ func (s *TitleScene) Update(state *GameState) error {
 		state.SceneManager.GoTo(NewGameScene())
 		return nil
 	}
-	if anyGamepadStdButtonPressed(state.Input) {
+	if anyGamepadAbstractButtonPressed(state.Input) {
 		state.SceneManager.GoTo(NewGameScene())
 		return nil
 	}