feat: support changing speed in exercise mode

TeamFlos · Apr 21, 2023 · ad3afd0 · ad3afd0
1 parent e16b966
commit ad3afd0
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Showing 3 changed files with 21 additions and 1 deletion.
diff --git a/prpr/locales/en-US/game.ftl b/prpr/locales/en-US/game.ftl
@@ -4,6 +4,7 @@ adjust-offset = Adjust offset
 offset-cancel = Cancel
 offset-reset = Reset
 offset-save = Save
+speed = Speed
 
 ex-time-out-of-range = Time is out of range
 ex-invalid-format = Invalid format

diff --git a/prpr/locales/zh-CN/game.ftl b/prpr/locales/zh-CN/game.ftl
@@ -4,6 +4,7 @@ adjust-offset = 调整延迟
 offset-cancel = 取消
 offset-reset = 重置
 offset-save = 保存
+speed = 速度
 
 ex-time-out-of-range = 时间不在范围内
 ex-invalid-format = 格式有误

diff --git a/prpr/src/scene/game.rs b/prpr/src/scene/game.rs
@@ -518,6 +518,17 @@ impl GameScene {
                     }
                     Some(1) => {
                         let mut pos = self.music.position();
+                        if (tm.speed - res.config.speed as f64).abs() > 0.01 {
+                            debug!("recreating music");
+                            self.music = res.audio.create_music(
+                                res.music.clone(),
+                                MusicParams {
+                                    amplifier: res.config.volume_music as _,
+                                    playback_rate: res.config.speed as _,
+                                    ..Default::default()
+                                },
+                            )?;
+                        }
                         if self.mode == GameMode::Exercise && tm.now() > self.exercise_range.end as f64 {
                             tm.seek_to(self.exercise_range.start as f64);
                             self.music.seek_to(self.exercise_range.start)?;
@@ -532,14 +543,21 @@ impl GameScene {
                         } else {
                             self.music.seek_to(dst)?;
                         }
+                        let now = tm.now();
+                        tm.speed = res.config.speed as _;
                         tm.resume();
-                        tm.seek_to(tm.now() - 3.);
+                        tm.seek_to(now - 3.);
                         self.pause_rewind = Some(tm.now() - 0.2);
                     }
                     _ => {}
                 }
             }
             if self.mode == GameMode::Exercise {
+                ui.scope(|ui| {
+                    ui.dx(0.3);
+                    ui.dy(-0.3);
+                    ui.slider(tl!("speed"), 0.5..2.0, 0.05, &mut self.res.config.speed, Some(0.5));
+                });
                 ui.dy(0.06);
                 let hw = 0.7;
                 let h = 0.06;