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FineVolumeSlide

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This commit is contained in:
Gwilym Inzani 2023-07-23 22:03:32 +01:00
parent f6a05178db
commit 095723bbf8
3 changed files with 27 additions and 7 deletions
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5
tracker/agb-tracker-interop/src/lib.rs
View file

@ -48,6 +48,7 @@ pub enum PatternEffect {
Panning(Num<i16, 4>),
Volume(Num<i16, 4>),
VolumeSlide(Num<i16, 4>),
FineVolumeSlide(Num<i16, 4>),
NoteCut(u32),
Portamento(Num<u16, 8>),
/// Slide each tick the first amount to at most the second amount
@ -205,6 +206,10 @@ impl quote::ToTokens for PatternEffect {
let amount = amount.to_raw();
quote! { VolumeSlide(agb_tracker::__private::Num::from_raw(#amount))}
}
PatternEffect::FineVolumeSlide(amount) => {
let amount = amount.to_raw();
quote! { FineVolumeSlide(agb_tracker::__private::Num::from_raw(#amount))}
}
PatternEffect::NoteCut(wait) => quote! { NoteCut(#wait) },
PatternEffect::Portamento(amount) => {
let amount = amount.to_raw();

15
tracker/agb-tracker/src/lib.rs
View file

@ -124,7 +124,7 @@ impl Tracker {
tick: 0,
current_row: 0,
current_pattern: 6,
current_pattern: 0x10,
}
}
@ -143,7 +143,7 @@ impl Tracker {
let pattern_slots =
&self.track.pattern_data[pattern_data_pos..pattern_data_pos + self.track.num_channels];
for (channel, pattern_slot) in self.channels.iter_mut().zip(pattern_slots) {
for (channel, pattern_slot) in self.channels.iter_mut().zip(pattern_slots).skip(3) {
if pattern_slot.sample != 0 && self.tick == 0 {
let sample = &self.track.samples[pattern_slot.sample as usize - 1];
channel.play_sound(mixer, sample);
@ -219,7 +219,7 @@ impl TrackerChannel {
}
self.channel_id = mixer.play_sound(new_channel);
self.volume = 1.into();
self.volume = sample.volume;
}
fn set_speed(&mut self, mixer: &mut Mixer<'_>, speed: Num<u32, 8>) {
@ -264,10 +264,13 @@ impl TrackerChannel {
}
PatternEffect::VolumeSlide(amount) => {
if tick != 0 {
self.volume += *amount;
if self.volume < 0.into() {
self.volume = 0.into();
self.volume = (self.volume + *amount).max(0.into());
channel.volume(self.volume);
}
}
PatternEffect::FineVolumeSlide(amount) => {
if tick == 0 {
self.volume = (self.volume + *amount).max(0.into());
channel.volume(self.volume);
}
}

12
tracker/agb-xm-core/src/lib.rs
View file

@ -162,6 +162,12 @@ pub fn parse_module(module: &Module) -> TokenStream {
.map(|note_and_sample| note_and_sample.1.volume)
.unwrap_or(1.into()),
),
0x80..=0x8F => PatternEffect::FineVolumeSlide(
-Num::new((slot.volume - 0x80) as i16) / 16,
),
0x90..=0x9F => PatternEffect::FineVolumeSlide(
Num::new((slot.volume - 0x90) as i16) / 16,
),
0xC0..=0xCF => PatternEffect::Panning(
Num::new(slot.volume as i16 - (0xC0 + (0xCF - 0xC0) / 2)) / 64,
),
@ -292,6 +298,12 @@ pub fn parse_module(module: &Module) -> TokenStream {
}
}
0xE => match slot.effect_parameter >> 4 {
0xA => PatternEffect::FineVolumeSlide(
Num::new((slot.effect_parameter & 0xf) as i16) / 16,
),
0xB => PatternEffect::FineVolumeSlide(
-Num::new((slot.effect_parameter & 0xf) as i16) / 16,
),
0xC => PatternEffect::NoteCut((slot.effect_parameter & 0xf).into()),
_ => PatternEffect::None,
},