100 lines
1.8 KiB
Go
100 lines
1.8 KiB
Go
package ebiten
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import (
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"log"
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"github.com/hajimehoshi/ebiten/audio"
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"github.com/hajimehoshi/ebiten/audio/wav"
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"github.com/OpenDiablo2/OpenDiablo2/d2common/d2data/d2datadict"
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"github.com/OpenDiablo2/OpenDiablo2/d2core/d2asset"
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)
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// SoundEffect represents an ebiten implementation of a sound effect
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type SoundEffect struct {
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player *audio.Player
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volumeScale float64
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}
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// CreateSoundEffect creates a new instance of ebiten's sound effect implementation.
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func CreateSoundEffect(sfx string, context *audio.Context, volume float64, loop bool) *SoundEffect {
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result := &SoundEffect{}
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soundFile := "/data/global/sfx/"
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if _, exists := d2datadict.Sounds[sfx]; exists {
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soundEntry := d2datadict.Sounds[sfx]
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soundFile += soundEntry.FileName
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} else {
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soundFile += sfx
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}
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audioData, err := d2asset.LoadFileStream(soundFile)
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if err != nil {
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audioData, err = d2asset.LoadFileStream("/data/global/music/" + sfx)
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}
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if err != nil {
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panic(err)
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}
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d, err := wav.Decode(context, audioData)
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if err != nil {
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log.Fatal(err)
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}
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var player *audio.Player
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if loop {
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s := audio.NewInfiniteLoop(d, d.Length())
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player, err = audio.NewPlayer(context, s)
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} else {
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player, err = audio.NewPlayer(context, d)
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}
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if err != nil {
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log.Fatal(err)
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}
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result.volumeScale = volume
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player.SetVolume(volume)
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result.player = player
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return result
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}
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func (v *SoundEffect) SetVolume(volume float64) {
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v.player.SetVolume(volume * v.volumeScale)
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}
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func (v *SoundEffect) IsPlaying() bool {
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return v.player.IsPlaying()
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}
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// Play plays the sound effect
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func (v *SoundEffect) Play() {
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err := v.player.Rewind()
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if err != nil {
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panic(err)
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}
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err = v.player.Play()
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if err != nil {
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panic(err)
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}
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}
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// Stop stops the sound effect
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func (v *SoundEffect) Stop() {
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err := v.player.Pause()
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if err != nil {
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panic(err)
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}
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}
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