ebiten/internal/gamepad/extern_android.go
2023-10-01 23:27:57 +09:00

154 lines
4.2 KiB
Go

// 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.
package gamepad
import (
"github.com/hajimehoshi/ebiten/v2/internal/gamepaddb"
)
func AddAndroidGamepad(androidDeviceID int, name, sdlID string, axisCount, hatCount int) {
theGamepads.addAndroidGamepad(androidDeviceID, name, sdlID, axisCount, hatCount)
}
func RemoveAndroidGamepad(androidDeviceID int) {
theGamepads.removeAndroidGamepad(androidDeviceID)
}
func UpdateAndroidGamepadAxis(androidDeviceID int, axis int, value float64) {
theGamepads.updateAndroidGamepadAxis(androidDeviceID, axis, value)
}
func UpdateAndroidGamepadButton(androidDeviceID int, button Button, pressed bool) {
theGamepads.updateAndroidGamepadButton(androidDeviceID, button, pressed)
}
func UpdateAndroidGamepadHat(androidDeviceID int, hat int, xValue, yValue int) {
theGamepads.updateAndroidGamepadHat(androidDeviceID, hat, xValue, yValue)
}
func (g *gamepads) addAndroidGamepad(androidDeviceID int, name, sdlID string, axisCount, hatCount int) {
g.m.Lock()
defer g.m.Unlock()
gp := g.add(name, sdlID)
gp.native = &nativeGamepadImpl{
androidDeviceID: androidDeviceID,
axes: make([]float64, axisCount),
buttons: make([]bool, gamepaddb.SDLControllerButtonMax+1),
hats: make([]int, hatCount),
}
}
func (g *gamepads) removeAndroidGamepad(androidDeviceID int) {
g.m.Lock()
defer g.m.Unlock()
g.remove(func(gamepad *Gamepad) bool {
return gamepad.native.(*nativeGamepadImpl).androidDeviceID == androidDeviceID
})
}
func (g *gamepads) updateAndroidGamepadAxis(androidDeviceID int, axis int, value float64) {
g.m.Lock()
defer g.m.Unlock()
gp := g.find(func(gamepad *Gamepad) bool {
return gamepad.native.(*nativeGamepadImpl).androidDeviceID == androidDeviceID
})
if gp == nil {
return
}
gp.updateAndroidGamepadAxis(axis, value)
}
func (g *gamepads) updateAndroidGamepadButton(androidDeviceID int, button Button, pressed bool) {
g.m.Lock()
defer g.m.Unlock()
gp := g.find(func(gamepad *Gamepad) bool {
return gamepad.native.(*nativeGamepadImpl).androidDeviceID == androidDeviceID
})
if gp == nil {
return
}
gp.updateAndroidGamepadButton(button, pressed)
}
func (g *gamepads) updateAndroidGamepadHat(androidDeviceID int, hat int, xValue, yValue int) {
g.m.Lock()
defer g.m.Unlock()
gp := g.find(func(gamepad *Gamepad) bool {
return gamepad.native.(*nativeGamepadImpl).androidDeviceID == androidDeviceID
})
if gp == nil {
return
}
gp.updateAndroidGamepadHat(hat, xValue, yValue)
}
func (g *Gamepad) updateAndroidGamepadAxis(axis int, value float64) {
g.m.Lock()
defer g.m.Unlock()
n := g.native.(*nativeGamepadImpl)
if axis < 0 || axis >= len(n.axes) {
return
}
n.axes[axis] = value
}
func (g *Gamepad) updateAndroidGamepadButton(button Button, pressed bool) {
g.m.Lock()
defer g.m.Unlock()
n := g.native.(*nativeGamepadImpl)
if button < 0 || int(button) >= len(n.buttons) {
return
}
n.buttons[button] = pressed
}
func (g *Gamepad) updateAndroidGamepadHat(hat int, xValue, yValue int) {
g.m.Lock()
defer g.m.Unlock()
n := g.native.(*nativeGamepadImpl)
if hat < 0 || hat >= len(n.hats) {
return
}
var v int
switch {
case xValue < 0:
v |= hatLeft
case xValue > 0:
v |= hatRight
}
switch {
case yValue < 0:
v |= hatUp
case yValue > 0:
v |= hatDown
}
n.hats[hat] = v
// Update the gamepad buttons in addition to hats.
// See https://github.com/libsdl-org/SDL/blob/47f2373dc13b66c48bf4024fcdab53cd0bdd59bb/src/joystick/android/SDL_sysjoystick.c#L290-L301
n.buttons[gamepaddb.SDLControllerButtonDpadLeft] = v&hatLeft != 0
n.buttons[gamepaddb.SDLControllerButtonDpadRight] = v&hatRight != 0
n.buttons[gamepaddb.SDLControllerButtonDpadUp] = v&hatUp != 0
n.buttons[gamepaddb.SDLControllerButtonDpadDown] = v&hatDown != 0
}