Files
ordoor/internal/assetstore/sound.go
2020-11-21 19:27:09 +00:00

79 lines
1.6 KiB
Go

package assetstore
import (
"log"
"os"
"github.com/hajimehoshi/ebiten/v2/audio"
"github.com/hajimehoshi/ebiten/v2/audio/vorbis"
)
type Sound struct {
Name string
filename string
}
func (a *AssetStore) Sound(name string) (*Sound, error) {
name = canonical(name)
if sound, ok := a.sounds[name]; ok {
return sound, nil
}
// TODO: Data/Sounds.dat + Sounds/wh40k.ds seem to operate together to allow
// attributes and a .wav file to be attached to event names, which could be
// what we use here instead. For now, we're just using the .wav files!
log.Printf("Loading sound %v", name)
// FIXME: a preprocessing script is used to create these files from the
// original ADPCM .wav files. Instead, use the original .wav files.
filename, err := a.lookup(name, "wav.ogg", "Wav")
if err != nil {
return nil, err
}
sound := &Sound{
Name: name,
filename: filename,
}
a.sounds[name] = sound
return sound, nil
}
func (s *Sound) Player() (*audio.Player, error) {
decoder, err := s.decoder()
if err != nil {
return nil, err
}
return audio.NewPlayer(audio.CurrentContext(), decoder)
}
func (s *Sound) InfinitePlayer() (*audio.Player, error) {
decoder, err := s.decoder()
if err != nil {
return nil, err
}
infinite := audio.NewInfiniteLoop(decoder, decoder.Length())
return audio.NewPlayer(audio.CurrentContext(), infinite)
}
func (s *Sound) decoder() (*vorbis.Stream, error) {
f, err := os.Open(s.filename)
if err != nil {
return nil, err
}
decoder, err := vorbis.Decode(audio.CurrentContext(), f)
if err != nil {
_ = f.Close()
return nil, err
}
return decoder, nil
}