154 lines
3.3 KiB
Go
154 lines
3.3 KiB
Go
package main
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import (
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"fmt"
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"github.com/golang/freetype/truetype"
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"golang.org/x/image/font"
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"image/color"
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_ "image/jpeg"
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"io/ioutil"
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"log"
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"strings"
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"time"
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"github.com/hajimehoshi/ebiten"
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"github.com/hajimehoshi/ebiten/audio"
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"github.com/hajimehoshi/ebiten/audio/mp3"
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"github.com/hajimehoshi/ebiten/ebitenutil"
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"github.com/hajimehoshi/ebiten/text"
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)
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const (
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screenWidth = 640
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screenHeight = 480
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sampleRate = 44100
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)
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type dialogue struct {
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Speaker character
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Text string
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}
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type character struct {
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Name string
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Color color.RGBA
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}
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func check(err error) {
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if err != nil {
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log.Fatal(err)
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}
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}
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var (
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m = character{`Me`, color.RGBA{200, 200, 255, 255}}
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s = character{`Sylvie`, color.RGBA{200, 255, 200, 255}}
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d = character{``, color.RGBA{0, 255, 0, 0}}
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messages = []dialogue{
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{d, `playSong ../../Resources/Hisoku.mp3`},
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{s, `Hi there! How was class?`},
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{m, `Good...`},
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{d, `I can't bring myself to admit that it all went in one ear and out the other.`},
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{s, `Are you going home now? Wanna walk back with me?`},
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{d, `playSong ../../Resources/Departures.mp3`},
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{m, `Sure!`},
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}
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mplusNormalFont font.Face
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line = 0
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bg *ebiten.Image
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audioContext *audio.Context
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audioPlayer *audio.Player
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songSize int64
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playingMusic = false
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songDuration time.Duration
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)
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func playSong(path string) {
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var err error
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if playingMusic {
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audioPlayer.Close()
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}
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f, err := ebitenutil.OpenFile(path)
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check(err)
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d, err := mp3.Decode(audioContext, f)
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check(err)
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audioPlayer, err = audio.NewPlayer(audioContext, d)
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check(err)
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songSize = d.Size()
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audioPlayer.Play()
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playingMusic = true
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songDuration = time.Second * time.Duration(songSize) / 4 / sampleRate
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}
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func init() {
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f, err := ebitenutil.OpenFile("../../Resources/mplus-1p-regular.ttf")
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check(err)
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defer f.Close()
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b, err := ioutil.ReadAll(f)
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check(err)
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tt, err := truetype.Parse(b)
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check(err)
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const dpi = 72
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mplusNormalFont = truetype.NewFace(tt, &truetype.Options{
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Size: 24,
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DPI: dpi,
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Hinting: font.HintingFull,
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})
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audioContext, err = audio.NewContext(sampleRate)
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check(err)
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}
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func update(screen *ebiten.Image) error {
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if ebiten.IsRunningSlowly() {
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return nil
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}
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action := strings.Split(messages[line].Text, " ")
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for _, v := range ebiten.InputChars() {
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if v == 32 {
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if line+1 != len(messages) {
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line++
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}
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}
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}
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action = strings.Split(messages[line].Text, " ")
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if action[0] == "playSong" {
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if line+1 != len(messages) {
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playSong(action[1])
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line++
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}
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}
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if playingMusic {
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if int(audioPlayer.Current().Seconds()) == int(songDuration.Seconds()) {
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audioPlayer.Seek(0)
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}
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}
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msg := fmt.Sprintf("FPS: %0.2f", ebiten.CurrentFPS())
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const x = 20
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op := &ebiten.DrawImageOptions{}
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screen.DrawImage(bg, op)
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ebitenutil.DrawRect(screen, 30, 350, screenWidth-60, 100, color.RGBA{128, 128, 128, 200})
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text.Draw(screen, msg, mplusNormalFont, x, 40, color.White)
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text.Draw(screen, messages[line].Speaker.Name, mplusNormalFont, 50, 370, messages[line].Speaker.Color)
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text.Draw(screen, messages[line].Text, mplusNormalFont, 50, 400, color.White)
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return nil
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}
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func main() {
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var err error
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bg, _, err = ebitenutil.NewImageFromFile("../../Resources/bg.jpg", ebiten.FilterNearest)
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check(err)
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if err := ebiten.Run(update, screenWidth, screenHeight, 1, "Font (Ebiten Demo)"); err != nil {
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log.Fatal(err)
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}
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}
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