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This commit is contained in:
Gwilym Inzani 2023-07-12 19:06:55 +01:00
parent 436b49c80d
commit cf1f3965d8
3 changed files with 32 additions and 8 deletions
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4
tracker/agb-tracker-interop/src/lib.rs
View file

@ -7,6 +7,7 @@ pub struct Track<'a> {
pub samples: &'a [Sample<'a>],
pub pattern_data: &'a [PatternSlot],
pub patterns: &'a [Pattern],
pub patterns_to_play: &'a [usize],
pub num_channels: usize,
pub frames_per_step: u16,
@ -43,6 +44,7 @@ impl<'a> quote::ToTokens for Track<'a> {
patterns,
frames_per_step,
num_channels,
patterns_to_play,
} = self;
tokens.append_all(quote! {
@ -52,11 +54,13 @@ impl<'a> quote::ToTokens for Track<'a> {
const SAMPLES: &[Sample<'static>] = &[#(#samples),*];
const PATTERN_DATA: &[PatternSlot] = &[#(#pattern_data),*];
const PATTERNS: &[Pattern] = &[#(#patterns),*];
const PATTERNS_TO_PLAY: &[usize] = &[#(#patterns_to_play),*];
Track {
samples: SAMPLES,
pattern_data: PATTERN_DATA,
patterns: PATTERNS,
patterns_to_play: PATTERNS_TO_PLAY,
frames_per_step: #frames_per_step,
num_channels: #num_channels,

13
tracker/agb-tracker/src/lib.rs
View file

@ -48,7 +48,8 @@ impl Tracker {
return; // TODO: volume / pitch slides
}
let current_pattern = &self.track.patterns[self.current_pattern];
let pattern_to_play = self.track.patterns_to_play[self.current_pattern];
let current_pattern = &self.track.patterns[pattern_to_play];
let pattern_data_pos =
current_pattern.start_position + self.current_row * self.track.num_channels;
@ -94,12 +95,18 @@ impl Tracker {
fn increment_step(&mut self) {
self.step += 1;
if self.step == self.track.frames_per_step * 2 {
if self.step == self.track.frames_per_step {
self.current_row += 1;
if self.current_row > self.track.patterns[self.current_pattern].length {
if self.current_row
>= self.track.patterns[self.track.patterns_to_play[self.current_pattern]].length
{
self.current_pattern += 1;
self.current_row = 0;
if self.current_pattern >= self.track.patterns_to_play.len() {
self.current_pattern = 0;
}
}
self.step = 0;

23
tracker/agb-xm-core/src/lib.rs
View file

@ -53,6 +53,7 @@ pub fn parse_module(module: &Module) -> TokenStream {
should_loop: bool,
fine_tune: f64,
relative_note: i8,
volume: f64,
}
let mut samples = vec![];
@ -64,6 +65,7 @@ pub fn parse_module(module: &Module) -> TokenStream {
let should_loop = !matches!(sample.flags, LoopType::No);
let fine_tune = sample.finetune as f64;
let relative_note = sample.relative_note;
let volume = sample.volume as f64;
let mut sample = match &sample.data {
SampleDataType::Depth8(depth8) => {
@ -91,6 +93,7 @@ pub fn parse_module(module: &Module) -> TokenStream {
should_loop,
fine_tune,
relative_note,
volume,
});
}
}
@ -121,11 +124,11 @@ pub fn parse_module(module: &Module) -> TokenStream {
}
};
let volume = Num::new(if slot.volume == 0 {
64
let volume = if slot.volume == 0 {
64.0
} else {
slot.volume as i16
}) / 64;
slot.volume as f64
} / 64.0;
if sample == 0 {
// TODO should take into account previous sample played on this channel
@ -149,6 +152,9 @@ pub fn parse_module(module: &Module) -> TokenStream {
);
let panning = Num::new(0);
let overall_volume = volume * sample_played.volume;
let volume = Num::from_raw((overall_volume * (1 << 4) as f64) as i16);
pattern_data.push(agb_tracker_interop::PatternSlot {
volume,
speed,
@ -173,13 +179,20 @@ pub fn parse_module(module: &Module) -> TokenStream {
})
.collect();
let patterns_to_play = module
.pattern_order
.iter()
.map(|order| *order as usize)
.collect::<Vec<_>>();
let interop = agb_tracker_interop::Track {
samples: &samples,
pattern_data: &pattern_data,
patterns: &patterns,
num_channels: module.get_num_channels(),
patterns_to_play: &patterns_to_play,
frames_per_step: 2, // TODO calculate this correctly
frames_per_step: 4, // TODO calculate this correctly
};
quote!(#interop)