Added Music

Ebiten/VN/main.go

@@ -6,18 +6,21 @@ import (
     "image/color"
     "io/ioutil"
     "log"
-
+    "strings"
     "github.com/golang/freetype/truetype"
     "golang.org/x/image/font"
 
     "github.com/hajimehoshi/ebiten"
     "github.com/hajimehoshi/ebiten/ebitenutil"
     "github.com/hajimehoshi/ebiten/text"
+    "github.com/hajimehoshi/ebiten/audio"
+    "github.com/hajimehoshi/ebiten/audio/mp3"
 )
 
 const (
     screenWidth  = 640
     screenHeight = 480
+    sampleRate   = 44100
 )
 
 type dialogue struct {
@@ -31,19 +34,46 @@ type character struct {
 }
 
 var (
-	m = character{`Me`, color.RGBA{255, 0, 0, 255}}
+	m = character{`Me`, color.RGBA{200, 200, 255, 255}}
-	s = character{`Sylvie`, color.RGBA{0, 255, 0, 255}}
+	s = character{`Sylvie`, color.RGBA{200, 255, 200, 255}}
 	d = character{``, color.RGBA{0, 255, 0, 0}}
 	messages = []dialogue{
+        {d, `playSong ./Departures.mp3`},
 		{s, `Hi there! How was class?`},
 		{m, `Good...`}, 
 		{d, `I can't bring myself to admit that it all went in one ear and out the other.`},
+        {s, `Are you going home now? Wanna walk back with me?`},
+        {d, `playSong ./Hisoku.mp3`},
+        {m, `Sure!`},
 	}
     mplusNormalFont font.Face
     line = 0
     bg *ebiten.Image
+    audioContext *audio.Context
+    audioPlayer  *audio.Player
+    playingMusic = false
 )
 
+func playSong(path string) {
+    var err error
+    if playingMusic {
+        audioPlayer.Close()
+    }
+    f, err := ebitenutil.OpenFile(path)
+    if err != nil {
+        log.Fatal(err)
+    }
+    d, err := mp3.Decode(audioContext, f)
+    if err != nil {
+        log.Fatal(err)
+    }
+    audioPlayer, err = audio.NewPlayer(audioContext, d)
+    if err != nil {
+        log.Fatal(err)
+    }
+    audioPlayer.Play()
+    playingMusic = true
+}
 
 func init() {
 
@@ -69,6 +99,11 @@ func init() {
         DPI:     dpi,
         Hinting: font.HintingFull,
     })
+
+    audioContext, err = audio.NewContext(sampleRate)
+    if err != nil {
+        log.Fatal(err)
+    }
 }
 
 
@@ -77,14 +112,21 @@ func update(screen *ebiten.Image) error {
     if ebiten.IsRunningSlowly() {
         return nil
     }
-
+    action := strings.Split(messages[line].Text, " ")
     for _, v := range ebiten.InputChars() {
     	if v == 32 {
-    		if line+1 != len(messages) {
+            if line+1 != len(messages) {
-    			line++
+                line++
-    		}
+            }
     	}
     }
+    action = strings.Split(messages[line].Text, " ")
+    if (action[0] == "playSong") {
+        if line+1 != len(messages) {
+            playSong(action[1])
+            line++
+        }
+    }
 
     msg := fmt.Sprintf("FPS: %0.2f", ebiten.CurrentFPS())
     const x = 20