137 lines
3.8 KiB
Rust
137 lines
3.8 KiB
Rust
#[derive(Debug, Clone, Copy, Default, PartialEq, Eq)]
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pub enum Preset {
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Custom,
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#[default]
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Xkcd,
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Glider,
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SmallExploder,
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Exploder,
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TenCellRow,
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LightweightSpaceship,
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Tumbler,
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GliderGun,
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Acorn,
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}
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pub static ALL: &[Preset] = &[
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Preset::Custom,
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Preset::Xkcd,
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Preset::Glider,
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Preset::SmallExploder,
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Preset::Exploder,
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Preset::TenCellRow,
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Preset::LightweightSpaceship,
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Preset::Tumbler,
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Preset::GliderGun,
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Preset::Acorn,
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];
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impl Preset {
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pub fn life(self) -> Vec<(isize, isize)> {
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#[rustfmt::skip]
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let cells = match self {
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Preset::Custom => vec![],
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Preset::Xkcd => vec![
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" xxx ",
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" x x ",
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" x x ",
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" x ",
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"x xxx ",
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" x x x ",
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" x x",
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" x x ",
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" x x ",
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],
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Preset::Glider => vec![
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" x ",
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" x",
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"xxx"
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],
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Preset::SmallExploder => vec![
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" x ",
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"xxx",
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"x x",
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" x ",
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],
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Preset::Exploder => vec![
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"x x x",
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"x x",
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"x x",
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"x x",
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"x x x",
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],
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Preset::TenCellRow => vec![
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"xxxxxxxxxx",
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],
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Preset::LightweightSpaceship => vec![
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" xxxxx",
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"x x",
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" x",
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"x x ",
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],
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Preset::Tumbler => vec![
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" xx xx ",
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" xx xx ",
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" x x ",
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"x x x x",
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"x x x x",
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"xx xx",
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],
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Preset::GliderGun => vec![
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" x ",
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" x x ",
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" xx xx xx",
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" x x xx xx",
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"xx x x xx ",
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"xx x x xx x x ",
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" x x x ",
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" x x ",
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" xx ",
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],
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Preset::Acorn => vec![
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" x ",
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" x ",
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"xx xxx",
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],
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};
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let start_row = -(cells.len() as isize / 2);
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cells
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.into_iter()
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.enumerate()
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.flat_map(|(i, cells)| {
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let start_column = -(cells.len() as isize / 2);
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cells
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.chars()
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.enumerate()
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.filter(|(_, c)| !c.is_whitespace())
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.map(move |(j, _)| {
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(start_row + i as isize, start_column + j as isize)
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})
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})
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.collect()
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}
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}
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impl std::fmt::Display for Preset {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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write!(
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f,
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"{}",
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match self {
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Preset::Custom => "Custom",
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Preset::Xkcd => "xkcd #2293",
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Preset::Glider => "Glider",
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Preset::SmallExploder => "Small Exploder",
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Preset::Exploder => "Exploder",
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Preset::TenCellRow => "10 Cell Row",
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Preset::LightweightSpaceship => "Lightweight spaceship",
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Preset::Tumbler => "Tumbler",
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Preset::GliderGun => "Gosper Glider Gun",
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Preset::Acorn => "Acorn",
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}
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)
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}
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}
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