mirror of
https://codeberg.org/unspeaker/tek.git
synced 2025-12-08 04:36:45 +01:00
110 lines
3.7 KiB
Rust
110 lines
3.7 KiB
Rust
use crate::*;
|
|
|
|
/// A collection of phrases to play on each track.
|
|
#[derive(Default)]
|
|
pub struct Scene {
|
|
pub name: Arc<RwLock<String>>,
|
|
pub clips: Vec<Option<usize>>,
|
|
}
|
|
|
|
impl Scene {
|
|
pub fn from_edn <'a, 'e> (args: &[Edn<'e>]) -> Usually<Self> {
|
|
let mut name = None;
|
|
let mut clips = vec![];
|
|
edn!(edn in args {
|
|
Edn::Map(map) => {
|
|
let key = map.get(&Edn::Key(":name"));
|
|
if let Some(Edn::Str(n)) = key {
|
|
name = Some(*n);
|
|
} else {
|
|
panic!("unexpected key in scene '{name:?}': {key:?}")
|
|
}
|
|
},
|
|
Edn::Symbol("_") => {
|
|
clips.push(None);
|
|
},
|
|
Edn::Int(i) => {
|
|
clips.push(Some(*i as usize));
|
|
},
|
|
_ => panic!("unexpected in scene '{name:?}': {edn:?}")
|
|
});
|
|
let scene = Self::new(name.unwrap_or(""), clips);
|
|
Ok(scene)
|
|
}
|
|
pub fn new (name: impl AsRef<str>, clips: impl AsRef<[Option<usize>]>) -> Self {
|
|
let name = Arc::new(RwLock::new(name.as_ref().into()));
|
|
let clips = clips.as_ref().iter().map(|x|x.clone()).collect();
|
|
Self { name, clips, }
|
|
}
|
|
/// Returns the pulse length of the longest phrase in the scene
|
|
pub fn pulses (&self, tracks: &[Sequencer]) -> usize {
|
|
self.clips.iter().enumerate()
|
|
.filter_map(|(i, c)|c
|
|
.map(|c|tracks
|
|
.get(i)
|
|
.map(|track|track
|
|
.phrases
|
|
.get(c))))
|
|
.filter_map(|p|p)
|
|
.filter_map(|p|p)
|
|
.fold(0, |a, p|a.max(p.read().unwrap().length))
|
|
}
|
|
/// Returns true if all phrases in the scene are currently playing
|
|
pub fn is_playing (&self, tracks: &[Sequencer]) -> bool {
|
|
self.clips.iter().enumerate()
|
|
.all(|(track_index, phrase_index)|match phrase_index {
|
|
Some(i) => tracks
|
|
.get(track_index)
|
|
.map(|track|track.sequence == Some(*i))
|
|
.unwrap_or(false),
|
|
None => true
|
|
})
|
|
}
|
|
}
|
|
|
|
pub fn scene_name_max_len (scenes: &[Scene]) -> usize {
|
|
scenes.iter()
|
|
.map(|s|s.name.read().unwrap().len())
|
|
.fold(0, usize::max)
|
|
}
|
|
|
|
pub fn scene_ppqs (tracks: &[Sequencer], scenes: &[Scene]) -> Vec<(usize, usize)> {
|
|
let mut total = 0;
|
|
let mut scenes: Vec<(usize, usize)> = scenes.iter().map(|scene|{
|
|
let pulses = scene.pulses(tracks).max(96);
|
|
total = total + pulses;
|
|
(pulses, total - pulses)
|
|
}).collect();
|
|
scenes.push((0, total));
|
|
scenes
|
|
}
|
|
|
|
impl<T, U> Arranger<T, U> {
|
|
pub fn scene (&self) -> Option<&Scene> {
|
|
self.selected.scene().map(|s|self.scenes.get(s)).flatten()
|
|
}
|
|
pub fn scene_mut (&mut self) -> Option<&mut Scene> {
|
|
self.selected.scene().map(|s|self.scenes.get_mut(s)).flatten()
|
|
}
|
|
pub fn scene_next (&mut self) {
|
|
self.selected.scene_next(self.scenes.len() - 1)
|
|
}
|
|
pub fn scene_prev (&mut self) {
|
|
self.selected.scene_prev()
|
|
}
|
|
pub fn scene_add (&mut self, name: Option<&str>) -> Usually<&mut Scene> {
|
|
let clips = vec![None;self.tracks.len()];
|
|
self.scenes.push(match name {
|
|
Some(name) => Scene::new(name, clips),
|
|
None => Scene::new(&self.scene_default_name(), clips),
|
|
});
|
|
let index = self.scenes.len() - 1;
|
|
Ok(&mut self.scenes[index])
|
|
}
|
|
pub fn scene_del (&mut self) {
|
|
unimplemented!("Arranger::scene_del");
|
|
}
|
|
pub fn scene_default_name (&self) -> String {
|
|
format!("Scene {}", self.scenes.len() + 1)
|
|
}
|
|
}
|