126 lines
3.6 KiB
Rust
126 lines
3.6 KiB
Rust
use crate::model::{Bank, Pattern, PatternSpeed, Project};
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#[derive(Debug, Clone, Copy)]
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pub struct PatternEdit {
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pub bank: usize,
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pub pattern: usize,
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}
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impl PatternEdit {
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pub fn new(bank: usize, pattern: usize) -> Self {
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Self { bank, pattern }
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}
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}
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pub fn toggle_step(project: &mut Project, bank: usize, pattern: usize, step: usize) -> PatternEdit {
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if let Some(s) = project.pattern_at_mut(bank, pattern).step_mut(step) {
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s.active = !s.active;
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}
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PatternEdit::new(bank, pattern)
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}
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pub fn set_length(
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project: &mut Project,
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bank: usize,
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pattern: usize,
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length: usize,
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) -> (PatternEdit, usize) {
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project.pattern_at_mut(bank, pattern).set_length(length);
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let actual = project.pattern_at(bank, pattern).length;
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(PatternEdit::new(bank, pattern), actual)
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}
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pub fn get_length(project: &Project, bank: usize, pattern: usize) -> usize {
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project.pattern_at(bank, pattern).length
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}
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pub fn increase_length(project: &mut Project, bank: usize, pattern: usize) -> (PatternEdit, usize) {
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let current = get_length(project, bank, pattern);
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set_length(project, bank, pattern, current + 1)
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}
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pub fn decrease_length(project: &mut Project, bank: usize, pattern: usize) -> (PatternEdit, usize) {
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let current = get_length(project, bank, pattern);
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set_length(project, bank, pattern, current.saturating_sub(1))
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}
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pub fn set_speed(
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project: &mut Project,
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bank: usize,
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pattern: usize,
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speed: PatternSpeed,
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) -> PatternEdit {
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project.pattern_at_mut(bank, pattern).speed = speed;
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PatternEdit::new(bank, pattern)
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}
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pub fn increase_speed(project: &mut Project, bank: usize, pattern: usize) -> PatternEdit {
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let pat = project.pattern_at_mut(bank, pattern);
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pat.speed = pat.speed.next();
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PatternEdit::new(bank, pattern)
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}
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pub fn decrease_speed(project: &mut Project, bank: usize, pattern: usize) -> PatternEdit {
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let pat = project.pattern_at_mut(bank, pattern);
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pat.speed = pat.speed.prev();
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PatternEdit::new(bank, pattern)
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}
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pub fn set_step_script(
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project: &mut Project,
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bank: usize,
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pattern: usize,
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step: usize,
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script: String,
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) -> PatternEdit {
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if let Some(s) = project.pattern_at_mut(bank, pattern).step_mut(step) {
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s.script = script;
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}
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PatternEdit::new(bank, pattern)
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}
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pub fn get_step_script(
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project: &Project,
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bank: usize,
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pattern: usize,
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step: usize,
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) -> Option<String> {
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project
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.pattern_at(bank, pattern)
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.step(step)
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.map(|s| s.script.clone())
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}
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pub fn delete_step(project: &mut Project, bank: usize, pattern: usize, step: usize) -> PatternEdit {
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let pat = project.pattern_at_mut(bank, pattern);
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for s in &mut pat.steps {
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if s.source == Some(step as u8) {
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s.source = None;
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s.script.clear();
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}
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}
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set_step_script(project, bank, pattern, step, String::new());
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if let Some(s) = project.pattern_at_mut(bank, pattern).step_mut(step) {
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s.source = None;
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}
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PatternEdit::new(bank, pattern)
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}
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pub fn delete_steps(project: &mut Project, bank: usize, pattern: usize, steps: &[usize]) -> PatternEdit {
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for &step in steps {
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delete_step(project, bank, pattern, step);
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}
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PatternEdit::new(bank, pattern)
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}
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pub fn reset_pattern(project: &mut Project, bank: usize, pattern: usize) -> PatternEdit {
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project.banks[bank].patterns[pattern] = Pattern::default();
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PatternEdit::new(bank, pattern)
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}
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pub fn reset_bank(project: &mut Project, bank: usize) -> usize {
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project.banks[bank] = Bank::default();
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project.banks[bank].patterns.len()
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}
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