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Should track previous retriggers for retrigger of 0

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This commit is contained in:
Gwilym Inzani 2024-08-28 17:00:19 +01:00
parent 5f76fcc316
commit 48f7020f2c
1 changed files with 30 additions and 2 deletions
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32
tracker/agb-xm-core/src/lib.rs
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@ -99,6 +99,7 @@ pub fn parse_module(module: &Module) -> agb_tracker_interop::Track {
let mut effect_parameters: [u8; 255] = [0; u8::MAX as usize];
let mut tone_portamento_directions = vec![0; module.get_num_channels()];
let mut note_and_sample = vec![None; module.get_num_channels()];
let mut previous_retriggers: Vec<Option<u8>> = vec![None; module.get_num_channels()];
for row in pattern.iter() {
// the combined jump for each row
@ -407,7 +408,23 @@ pub fn parse_module(module: &Module) -> agb_tracker_interop::Track {
0x8 => PatternEffect::Panning(
Num::new(((slot.effect_parameter & 0xf) as i16) - 8) / 8,
),
0x9 => PatternEffect::Retrigger(slot.effect_parameter & 0xf),
0x9 => {
let retrigger_amount = slot.effect_parameter & 0xf;
let modified_amount = if retrigger_amount == 0 {
if let Some(previous_retrigger) =
previous_retriggers[channel_number]
{
previous_retrigger
} else {
1
}
} else {
previous_retriggers[channel_number] = Some(retrigger_amount);
retrigger_amount
};
PatternEffect::Retrigger(modified_amount)
}
0xA => PatternEffect::FineVolumeSlide(
Num::new((slot.effect_parameter & 0xf) as i16) / 128,
),
@ -452,7 +469,18 @@ pub fn parse_module(module: &Module) -> agb_tracker_interop::Track {
eprintln!("Unsupported retrigger effect volume {first}");
}
PatternEffect::Retrigger(second)
let ticks_between_retriggers = if second == 0 {
if let Some(previous_retrigger) = previous_retriggers[channel_number] {
previous_retrigger
} else {
1
}
} else {
previous_retriggers[channel_number] = Some(second);
second
};
PatternEffect::Retrigger(ticks_between_retriggers)
}
e => {
let effect_char = char::from_digit(e as u32, 36)