implement rule flipping
This commit is contained in:
parent
970eb402a2
commit
84e64fe719
2 changed files with 232 additions and 151 deletions
320
petri/src/lib.rs
320
petri/src/lib.rs
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@ -18,8 +18,8 @@ pub struct Chunk {
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#[derive(Debug)]
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pub struct Rule {
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pub from: RulePattern,
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pub to: RulePattern,
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base: SubRule,
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variants: Vec<SubRule>,
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pub enabled: bool,
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// probability: u8
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pub flip_h: bool,
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@ -27,6 +27,54 @@ pub struct Rule {
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// rotate:
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}
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#[derive(Debug, Clone, PartialEq)]
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struct SubRule {
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width: usize,
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height: usize,
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contents: Vec<(Option<Cell>, Option<Cell>)>,
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}
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impl SubRule {
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fn new() -> Self {
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Self {
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width: 1,
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height: 1,
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contents: vec![(None, None)],
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}
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}
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fn get(&self, x: usize, y: usize) -> (Option<Cell>, Option<Cell>) {
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if x >= self.width || y >= self.height {
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(None, None)
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} else {
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self.contents[x + self.width * y].clone()
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}
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}
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fn get_mut(&mut self, x: usize, y: usize) -> &mut (Option<Cell>, Option<Cell>) {
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assert!(x < self.width || y < self.height);
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&mut self.contents[x + self.width * y]
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}
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fn set_both(&mut self, x: usize, y: usize, cells: (Option<Cell>, Option<Cell>)) {
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if x < self.width && y < self.height {
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self.contents[x + self.width * y] = cells;
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}
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}
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fn set_from(&mut self, x: usize, y: usize, cell: Option<Cell>) {
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if x < self.width && y < self.height {
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self.contents[x + self.width * y].0 = cell;
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}
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}
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fn set_to(&mut self, x: usize, y: usize, cell: Option<Cell>) {
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if x < self.width && y < self.height {
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self.contents[x + self.width * y].1 = cell;
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}
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}
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}
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type ResizeParam = (isize, isize, isize, isize);
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impl Rule {
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pub const EXTEND_LEFT: ResizeParam = (1, 0, -1, 0);
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@ -41,24 +89,109 @@ impl Rule {
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pub fn new() -> Self {
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Self {
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enabled: false,
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from: RulePattern::new(),
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to: RulePattern::new(),
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base: SubRule::new(),
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variants: Vec::new(),
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flip_h: false,
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flip_v: false,
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}
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}
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pub fn get(&self, x: usize, y: usize) -> (Option<Cell>, Option<Cell>) {
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self.base.get(x, y)
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}
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pub fn get_mut(&mut self, x: usize, y: usize) -> &mut (Option<Cell>, Option<Cell>) {
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self.base.get_mut(x, y)
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}
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pub fn set_from(&mut self, x: usize, y: usize, cell: Option<Cell>) {
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self.base.set_from(x, y, cell);
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self.generate_variants();
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}
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pub fn set_to(&mut self, x: usize, y: usize, cell: Option<Cell>) {
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self.base.set_to(x, y, cell);
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self.generate_variants();
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}
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pub fn height(&self) -> usize {
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self.base.height
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}
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pub fn width(&self) -> usize {
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self.base.width
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}
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pub fn resize(&mut self, params: ResizeParam) {
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let (dw, dh, dx, dy) = params;
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self.from.resize(dw, dh, dx, dy);
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self.to.resize(dw, dh, dx, dy);
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let new_width = self.base.width.saturating_add_signed(dw);
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let new_height = self.base.height.saturating_add_signed(dh);
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if new_width < 1 || new_height < 1 {
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return;
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}
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let mut new_contents = vec![(None, None); new_width * new_height];
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for nx in 0..new_width {
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let oldx = nx.wrapping_add_signed(dx);
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for ny in 0..new_height {
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let oldy = ny.wrapping_add_signed(dy);
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new_contents[nx + new_width * ny] = self.get(oldx, oldy);
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}
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}
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self.base.contents = new_contents;
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self.base.height = new_height;
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self.base.width = new_width;
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self.generate_variants();
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}
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pub fn generate_variants(&mut self) {
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self.variants.clear();
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self.variants.push(self.base.clone());
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fn transform_variants(variants: &mut Vec<SubRule>, f: fn(&SubRule) -> SubRule) {
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let mut new = Vec::new();
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for v in variants.iter() {
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let new_variant = f(v);
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if !variants.contains(&new_variant) {
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new.push(new_variant);
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}
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}
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variants.extend_from_slice(&new);
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}
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if self.flip_h {
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transform_variants(&mut self.variants, |b| {
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let mut new = b.clone();
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for y in 0..new.height {
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for x in 0..new.width {
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let old = b.get(new.width - x - 1, y);
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new.set_both(x, y, old);
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}
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}
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new
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})
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}
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if self.flip_v {
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transform_variants(&mut self.variants, |b| {
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let mut new = b.clone();
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for y in 0..new.height {
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for x in 0..new.width {
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let old = b.get(x, new.height - y - 1);
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new.set_both(x, y, old);
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}
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}
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new
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})
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}
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}
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}
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impl Chunk {
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fn new() -> Self {
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Self {
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contents: vec![[Cell::EMPTY; CHUNK_SIZE]; CHUNK_SIZE]
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contents: vec![[Cell(0); CHUNK_SIZE]; CHUNK_SIZE]
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.into_boxed_slice()
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.try_into()
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.unwrap(),
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@ -87,41 +220,43 @@ impl Chunk {
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impl Dish {
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pub fn new() -> Self {
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Self {
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chunk: Chunk::new().fill_random(),
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rules: vec![
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let mut default_rules = vec![
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Rule {
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enabled: true,
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from: RulePattern {
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base: SubRule {
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width: 1,
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height: 2,
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contents: vec![Some(Cell(1)), Some(Cell(0))],
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contents: vec![
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(Some(Cell(1)), Some(Cell(0))),
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(Some(Cell(0)), Some(Cell(1))),
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],
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},
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to: RulePattern {
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width: 1,
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height: 2,
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contents: vec![Some(Cell(0)), Some(Cell(1))],
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},
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flip_h: false,
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flip_v: false,
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..Rule::new()
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},
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Rule {
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enabled: true,
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from: RulePattern {
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base: SubRule {
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width: 2,
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height: 2,
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contents: vec![Some(Cell(1)), None, Some(Cell(1)), Some(Cell(0))],
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},
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to: RulePattern {
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width: 2,
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height: 2,
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contents: vec![Some(Cell(0)), None, Some(Cell(1)), Some(Cell(1))],
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contents: vec![
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(Some(Cell(1)), Some(Cell(0))),
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(None, None),
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(Some(Cell(1)), None),
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(Some(Cell(0)), Some(Cell(1))),
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],
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},
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flip_h: true,
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flip_v: false,
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..Rule::new()
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},
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],
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];
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for rule in &mut default_rules {
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rule.generate_variants()
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}
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Self {
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chunk: Chunk::new().fill_random(),
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rules: default_rules,
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}
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}
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@ -147,31 +282,48 @@ impl Dish {
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fn fire_rule(&mut self, rule_index: usize, x: usize, y: usize) {
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let rule = &self.rules[rule_index];
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let width = rule.to.width;
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let height = rule.to.height;
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// check is match
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for dx in 0..width {
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for dy in 0..height {
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let x = x + dx;
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let y = y + dy;
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if let Some(rule_cell) = rule.from.get(dx, dy) {
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if self.get_cell(x, y) != Some(rule_cell) {
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// find matching variants
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let mut matching_variants = Vec::new();
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for (i, v) in rule.variants.iter().enumerate() {
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if self.subrule_matches(x, y, v) {
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matching_variants.push(i);
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}
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}
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if matching_variants.is_empty() {
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return;
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}
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}
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}
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}
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let variant_index = random::<usize>() % matching_variants.len();
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let variant = rule.variants[matching_variants[variant_index]].clone();
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let width = variant.width;
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let height = variant.height;
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for dx in 0..width {
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for dy in 0..height {
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let x = x + dx;
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let y = y + dy;
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if let Some(rule_cell) = &self.rules[rule_index].to.get(dx, dy) {
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if let Some(rule_cell) = variant.get(dx, dy).1 {
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self.set_cell(x, y, rule_cell.clone());
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}
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}
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}
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}
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fn subrule_matches(&self, x: usize, y: usize, subrule: &SubRule) -> bool {
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for dx in 0..subrule.width {
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for dy in 0..subrule.height {
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let x = x + dx;
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let y = y + dy;
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if let Some(rule_cell) = subrule.get(dx, dy).0 {
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if self.get_cell(x, y) != Some(rule_cell) {
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return false;
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}
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}
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}
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}
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true
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}
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//todo isize
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pub fn get_cell(&self, x: usize, y: usize) -> Option<Cell> {
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if x >= CHUNK_SIZE || y >= CHUNK_SIZE {
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@ -190,92 +342,8 @@ impl Dish {
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}
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}
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#[derive(Debug)]
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pub struct RulePattern {
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width: usize,
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height: usize,
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contents: Vec<Option<Cell>>,
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}
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impl RulePattern {
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pub fn new() -> Self {
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Self {
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width: 1,
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height: 1,
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contents: vec![None],
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}
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}
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pub fn get(&self, x: usize, y: usize) -> Option<Cell> {
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if x >= self.width || y >= self.height {
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None
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} else {
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self.contents[x + self.width * y].clone()
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}
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}
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pub fn get_mut(&mut self, x: usize, y: usize) -> Option<&mut Cell> {
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if x >= self.width || y >= self.height {
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None
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} else {
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self.contents[x + self.width * y].as_mut()
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}
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}
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pub fn set(&mut self, x: usize, y: usize, cell: Option<Cell>) {
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if x < self.width && y < self.height {
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self.contents[x + self.width * y] = cell
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}
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}
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pub fn height(&self) -> usize {
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self.height
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}
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pub fn width(&self) -> usize {
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self.width
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}
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fn resize(&mut self, dw: isize, dh: isize, dx: isize, dy: isize) {
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let new_width = self.width.saturating_add_signed(dw);
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let new_height = self.height.saturating_add_signed(dh);
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if new_width < 1 || new_height < 1 {
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return;
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}
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let mut new_contents = vec![None; new_width * new_height];
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for nx in 0..new_width {
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let oldx = nx.wrapping_add_signed(dx);
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for ny in 0..new_height {
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let oldy = ny.wrapping_add_signed(dy);
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new_contents[nx + new_width * ny] = self.get(oldx, oldy);
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}
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}
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self.contents = new_contents;
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self.height = new_height;
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self.width = new_width;
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}
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}
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impl Cell {
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pub const EMPTY: Self = Cell(0);
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pub fn id(&self) -> usize {
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self.0 as usize
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}
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}
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#[derive(Debug)]
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enum Dir {
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Pos,
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Neg,
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}
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impl Dir {
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fn sign(&self) -> isize {
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match self {
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Dir::Pos => 1,
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Dir::Neg => -1,
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}
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}
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}
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@ -3,7 +3,7 @@ use eframe::{
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epaint::Hsva,
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NativeOptions,
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};
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use petri::{Cell, Chunk, Dish, Rule, RulePattern, CHUNK_SIZE};
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use petri::{Cell, Chunk, Dish, Rule, CHUNK_SIZE};
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use rand::prelude::*;
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fn main() {
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@ -122,14 +122,18 @@ fn paint_chunk(painter: Painter, chunk: &Chunk, cells: &[CellData]) {
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}
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const CSIZE: f32 = 24.;
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const OUTLINE: (f32, Color32) = (3., Color32::GRAY);
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const OUTLINE: (f32, Color32) = (2., Color32::GRAY);
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fn rule_editor(ui: &mut Ui, rule: &mut Rule, cells: &[CellData]) {
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ui.checkbox(&mut rule.enabled, "enable rule");
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ui.checkbox(&mut rule.flip_h, "flip H");
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ui.checkbox(&mut rule.flip_v, "flip V");
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if ui.checkbox(&mut rule.flip_h, "flip H").changed() {
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rule.generate_variants();
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}
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if ui.checkbox(&mut rule.flip_v, "flip V").changed() {
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rule.generate_variants();
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}
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let cells_y = rule.from.height();
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let cells_x = rule.from.width();
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let cells_y = rule.height();
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let cells_x = rule.width();
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let margin = 8.;
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let patt_width = CSIZE * cells_x as f32;
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let patt_height = CSIZE * cells_y as f32;
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@ -150,8 +154,12 @@ fn rule_editor(ui: &mut Ui, rule: &mut Rule, cells: &[CellData]) {
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for x in 0..cells_x {
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for y in 0..cells_y {
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rule_cell_edit(ui, from_cells_rect.min, &mut rule.from, x, y, cells);
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rule_cell_edit(ui, to_cells_rect.min, &mut rule.to, x, y, cells);
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let (left, right) = rule.get_mut(x, y);
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let changed_left = rule_cell_edit(ui, from_cells_rect.min, left, x, y, cells);
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let changed_right = rule_cell_edit(ui, to_cells_rect.min, right, x, y, cells);
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if changed_left || changed_right {
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rule.generate_variants();
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}
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}
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}
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@ -220,28 +228,33 @@ fn rule_editor(ui: &mut Ui, rule: &mut Rule, cells: &[CellData]) {
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fn rule_cell_edit(
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ui: &mut Ui,
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origin: Pos2,
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rule: &mut RulePattern,
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rule: &mut Option<Cell>,
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x: usize,
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y: usize,
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cells: &[CellData],
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) {
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) -> bool {
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let mut changed = false;
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let rect = Rect::from_min_size(
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origin + Vec2::from((x as f32, y as f32)) * CSIZE,
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Vec2::splat(CSIZE),
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);
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let aabb = ui.allocate_rect(rect, Sense::click());
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if let Some(cell) = rule.get_mut(x, y) {
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if let Some(cell) = rule {
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let color = cells[cell.id()].color;
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ui.painter().rect(rect, 2., color, OUTLINE);
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ui.painter()
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.rect(rect.shrink(OUTLINE.0 / 2.), 0., color, OUTLINE);
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if aabb.clicked() {
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changed = true;
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cell.0 += 1;
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if cell.0 as usize == cells.len() {
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rule.set(x, y, None);
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*rule = None;
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}
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}
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} else if aabb.clicked() {
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rule.set(x, y, Some(Cell(0)));
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*rule = Some(Cell(0));
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changed = true;
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}
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changed
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}
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impl CellData {
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|||
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Reference in a new issue