boring

src/flags.rs

@@ -5,6 +5,9 @@ pub struct Flags {
     #[arg(short, long, default_value_t = false)]
     pub debug: bool,
 
+    #[arg(short, long, default_value_t = false)]
+    pub interactive: bool,
+
     #[arg(long, default_value_t = 120)]
     pub bpm: usize,
 

src/main.rs

@@ -2,27 +2,32 @@ use io_prompt_prototype::prompt;
 use itertools::Itertools;
 
 mod flags;
-mod play;
+mod parse;
+mod player;
 mod seq;
 mod syn;
 mod tone;
 
 fn main() {
-    let flags = flags::Flags::new();
+    let mut flags = flags::Flags::new();
     if flags.debug {
         eprintln!("{:?}", flags);
     }
+    if flags.interactive {
+        flags.play = vec![];
+    }
 
     let once = flags.play.iter().filter(|x| x.len() > 0).count() > 0;
+    let mut player = player::new(flags.sample_rate.clone(), flags.bpm.clone());
     loop {
-        play_with_flags(&flags);
+        play_with_flags(&flags, &mut player);
         if once {
             break;
         }
     }
 }
 
-fn play_with_flags(flags: &flags::Flags) {
+fn play_with_flags(flags: &flags::Flags, player: &mut player::Player) {
     let mut syn_seq = seq::new_syn(syn::Syn::new(
         flags.debug.clone(),
         flags.sound_font.clone(),
@@ -31,7 +36,7 @@ fn play_with_flags(flags: &flags::Flags) {
 
     let mut i = 0;
     for p in flags.play.iter() {
-        for p in play::new(p.clone()) {
+        for p in parse::new(p.clone()) {
             syn_seq.append(i as i32, p);
             i += 1;
         }
@@ -60,41 +65,14 @@ fn play_with_flags(flags: &flags::Flags) {
             };
         }
 
-        for p in play::new(payload.join("\n")) {
+        for p in parse::new(payload.join("\n")) {
             syn_seq.append(i as i32, p);
             i += 1;
         }
     }
 
-    play(syn_seq, flags.sample_rate, flags.bpm, sync);
+    match sync {
-}
+        true => player.play(syn_seq),
-
+        false => player.play_async(syn_seq),
-fn play(mut s: seq::SynSeq, sample_rate: usize, bpm: usize, sync: bool) {
-    let samples_per_beat = sample_rate / bpm * 60;
-    let params = tinyaudio::prelude::OutputDeviceParameters {
-        channels_count: 2,
-        sample_rate: sample_rate,
-        channel_sample_count: samples_per_beat,
     };
-    let beats = s.beats() + 3;
-    let duration = 60 * beats / bpm;
-
-    let sample_count = (params.channel_sample_count) as usize;
-    let mut left: Vec<f32> = vec![0_f32; sample_count];
-    let mut right: Vec<f32> = vec![0_f32; sample_count];
-
-    let _device = tinyaudio::prelude::run_output_device(params, {
-        move |data| {
-            s.render(&mut left[..], &mut right[..]); // put in a state of rendering the next loop of these notes
-            for (i, value) in left.iter().interleave(right.iter()).enumerate() {
-                data[i] = *value;
-            }
-        }
-    })
-    .unwrap();
-
-    if sync {
-        // Wait it out
-        std::thread::sleep(std::time::Duration::from_secs(duration as u64));
-    }
 }

src/player.rs

@@ -0,0 +1,61 @@
+use itertools::Itertools;
+
+use crate::seq;
+
+pub struct Player {
+    bpm: usize,
+    params: tinyaudio::OutputDeviceParameters,
+    device: Option<tinyaudio::OutputDevice>,
+}
+
+pub fn new(sample_rate: usize, bpm: usize) -> Player {
+    let samples_per_beat = sample_rate / bpm * 60;
+    Player {
+        bpm: bpm,
+        params: tinyaudio::prelude::OutputDeviceParameters {
+            channels_count: 2,
+            sample_rate: sample_rate,
+            channel_sample_count: samples_per_beat,
+        },
+        device: None,
+    }
+}
+
+impl Player {
+    pub fn play(&mut self, s: seq::SynSeq) {
+        self.play_with_sync(s, true);
+    }
+
+    pub fn play_async(&mut self, s: seq::SynSeq) {
+        self.play_with_sync(s, false);
+    }
+
+    fn play_with_sync(&mut self, mut s: seq::SynSeq, sync: bool) {
+        let sample_count = (self.params.channel_sample_count) as usize;
+        let mut left: Vec<f32> = vec![0_f32; sample_count];
+        let mut right: Vec<f32> = vec![0_f32; sample_count];
+
+        let beats = s.beats() + 3;
+        let duration = 60 * beats / self.bpm;
+
+        if self.device.is_some() {
+            self.device.as_mut().expect("lost device").close();
+        }
+        self.device = Some(
+            tinyaudio::prelude::run_output_device(self.params, {
+                move |data| {
+                    s.render(&mut left[..], &mut right[..]); // put in a state of rendering the next loop of these notes
+                    for (i, value) in left.iter().interleave(right.iter()).enumerate() {
+                        data[i] = *value;
+                    }
+                }
+            })
+            .unwrap(),
+        );
+
+        if sync {
+            // Wait it out
+            std::thread::sleep(std::time::Duration::from_secs(duration as u64));
+        }
+    }
+}

src/testdata/battle_against_a_true_hero.txt

@@ -0,0 +1,9 @@
+# https://www.musicnotes.com/sheetmusic/chrissy-ricker/battle-against-a-true-hero-easy/MN0235808
+# c major
+
+CM4 CM5 CM5 CM1 CM1 CM2 . .
+
+CM3 CM0 CM0 CM4 CM4 .   . .
+
+CM4 CM5 CM5 CM1 CM1 CM2 . .
+

src/testdata/chord_progressions.txt

@@ -1,9 +1,12 @@
+# x+0 x+5 x+7 x+0
 CM0 CM3 CM4 CM0
 
 .
 
+# x+2 x+7 x+0
 CM1 CM4 CM0
 
 .
 
+# x+0 x+7 x+9 x+5
 CM0 CM4 CM5 CM3

src/testdata/fifth_wheel.txt

@@ -0,0 +1,5 @@
+# fifth wheel = +7 semitones
+# f -> c -> g -> d -> a -> e -> b
+
+f  c  g  d  a  e  b
+ff cf gf df af ef bf

src/testdata/major_chord_progressions.txt

@@ -0,0 +1,19 @@
+CM0  CM3  CM4  CM0
+CM0T CM3T CM4T CM0T
+CM0f CM3f CM4f CM0f
+
+.
+.
+.
+
+CM1  CM4  CM0
+CM1T CM4T CM0T
+CM1f CM4f CM0f
+
+.
+.
+.
+
+CM0  CM4  CM5  CM3
+CM0T CM4T CM5T CM3T
+CM0f CM4f CM5f CM3f

src/testdata/major_chords.txt

@@ -0,0 +1,27 @@
+# major CHORD = root + major_third + perfect_fifth
+# c = c,e,g
+
+f
+a
+c
+
+c
+e
+g
+
+g
+b
+d
+
+d
+f+
+a
+
+a
+c+
+e
+
+e
+g+
+b
+

src/testdata/major_third.txt

@@ -0,0 +1,18 @@
+# major third
+# +2 letters (the third letter) with exactly 2 sharps between
+
+# c,e c+,f d,f+
+c   c+   d
+cT  c+T  dT
+
+# d+,g e,g+ f,a
+d+  e  f
+d+T eT fT
+
+# f+,a+ g,b g+,c
+f+  g  g+
+f+T gT g+T
+
+# a,c+ a+,d b,d+
+a     a+    b
+aT    a+T   bT

src/testdata/minor_chords.txt

@@ -0,0 +1,27 @@
+# minor CHORD = root + minor_third + perfect_fifth
+# c = c,e-,g
+
+f
+g+
+c
+
+c
+e-
+g
+
+g
+a+
+d
+
+d
+f
+a
+
+a
+c
+e
+
+e
+g
+b
+

src/testdata/minor_third.txt

@@ -0,0 +1,18 @@
+# minor third
+# +2 letters (the third letter) with exactly 1 half step between
+
+# c,e- c+,e d,f
+c  c+  d
+ct c+t dt
+
+# d+,f+ e,g f,g+
+d+  e  f
+d+t et ft
+
+# f+,a g,a+ g+,b
+f+  g  g+
+f+t gt g+t
+
+# a,c a+,c+ b,d
+a  a+  b
+at a+t bt

src/tone.rs

@@ -8,7 +8,7 @@ pub fn new<S: ToString>(s: S) -> Tone {
 
 impl Tone {
     fn new(s: String) -> Tone {
-        let re = regex::Regex::new(r"^(((?<letter>^[a-g])(?<sharpness>[+-]?)|(?<major>[A-G]M[0-6])|(?<minor>[A-G]m[0-6]))(?<octave>[1-5]?)|(?<numeric>[0-9]+)|(?<rest>[^a-gA-G0-9]))$").unwrap();
+        let re = regex::Regex::new(r"^(((?<letter>^[a-g])(?<sharpness>[+-]?)|(?<major>[A-G]M[0-6])|(?<minor>[A-G]m[0-6]))(?<octave>[1-5]?)((?<major_third>T)|(?<minor_third>t)|(?<fifth>f))?|(?<numeric>[0-9]+)|(?<rest>[^a-gA-G0-9]))$").unwrap();
         let captures = re
             .captures(&s)
             .expect(format!("tone '{}' does not match regex", s).as_ref());
@@ -65,6 +65,21 @@ impl Tone {
                         None => 0,
                     } as i32;
 
+                    result += match captures.name("major_third") {
+                        Some(_) => 4, // TODO not all are good
+                        None => 0,
+                    } as i32;
+
+                    result += match captures.name("minor_third") {
+                        Some(_) => 3, // TODO not all are good
+                        None => 0,
+                    } as i32;
+
+                    result += match captures.name("fifth") {
+                        Some(_) => 7,
+                        None => 0,
+                    } as i32;
+
                     result
                 }
             },
@@ -144,6 +159,42 @@ mod test {
         assert_eq!(super::new("c+4").i32(), 60 + 12 + 1);
     }
 
+    #[test]
+    fn test_tone_new_major_third() {
+        assert_eq!(super::new("cT").i32(), 60 + 4);
+        assert_eq!(super::new("c1T").i32(), 60 + 4 - 24);
+
+        assert_eq!(super::new("c+T").i32(), 60 + 1 + 4);
+        assert_eq!(super::new("c+1T").i32(), 60 + 1 + 4 - 24);
+
+        assert_eq!(super::new("CM0T").i32(), 60 + 4);
+        assert_eq!(super::new("CM01T").i32(), 60 + 4 - 24);
+    }
+
+    #[test]
+    fn test_tone_new_minor_third() {
+        assert_eq!(super::new("ct").i32(), 60 + 3);
+        assert_eq!(super::new("c1t").i32(), 60 + 3 - 24);
+
+        assert_eq!(super::new("c+t").i32(), 60 + 1 + 3);
+        assert_eq!(super::new("c+1t").i32(), 60 + 1 + 3 - 24);
+
+        assert_eq!(super::new("CM0t").i32(), 60 + 3);
+        assert_eq!(super::new("CM01t").i32(), 60 + 3 - 24);
+    }
+
+    #[test]
+    fn test_tone_new_fifth() {
+        assert_eq!(super::new("cf").i32(), 60 + 7);
+        assert_eq!(super::new("c1f").i32(), 60 + 7 - 24);
+
+        assert_eq!(super::new("c+f").i32(), 60 + 1 + 7);
+        assert_eq!(super::new("c+1f").i32(), 60 + 1 + 7 - 24);
+
+        assert_eq!(super::new("CM0f").i32(), 60 + 7);
+        assert_eq!(super::new("CM01f").i32(), 60 + 7 - 24);
+    }
+
     #[test]
     fn test_tone_c_major() {
         assert_eq!(super::new("CM0"), super::new("c"));