53 lines
1011 B
Go
53 lines
1011 B
Go
package joystick
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import (
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"errors"
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"github.com/veandco/go-sdl2/sdl"
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)
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type joystick interface {
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Close()
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InstanceID() sdl.JoystickID
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}
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// Adaptor represents a connection to a joystick
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type Adaptor struct {
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name string
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joystick joystick
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connect func(*Adaptor) (err error)
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}
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// NewAdaptor returns a new Joystick Adaptor.
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func NewAdaptor() *Adaptor {
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return &Adaptor{
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name: "Joystick",
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connect: func(j *Adaptor) (err error) {
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sdl.Init(sdl.INIT_JOYSTICK)
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if sdl.NumJoysticks() > 0 {
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j.joystick = sdl.JoystickOpen(0)
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return
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}
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return errors.New("No joystick available")
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},
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}
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}
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// Name returns the Adaptors name
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func (j *Adaptor) Name() string { return j.name }
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// SetName sets the Adaptors name
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func (j *Adaptor) SetName(n string) { j.name = n }
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// Connect connects to the joystick
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func (j *Adaptor) Connect() (err error) {
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err = j.connect(j)
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return
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}
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// Finalize closes connection to joystick
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func (j *Adaptor) Finalize() (err error) {
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j.joystick.Close()
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return
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}
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