rule shrinking

This commit is contained in:
Crispy 2024-05-03 11:48:22 +02:00
parent 6d86f6fdef
commit e066025836
2 changed files with 60 additions and 42 deletions

View file

@ -26,7 +26,17 @@ pub struct Rule {
// rotate:
}
type ResizeParam = (isize, isize, isize, isize);
impl Rule {
pub const EXTEND_LEFT: ResizeParam = (1, 0, -1, 0);
pub const EXTEND_RIGHT: ResizeParam = (1, 0, 0, 0);
pub const EXTEND_UP: ResizeParam = (0, 1, 0, -1);
pub const EXTEND_DOWN: ResizeParam = (0, 1, 0, 0);
pub const SHRINK_LEFT: ResizeParam = (-1, 0, 1, 0);
pub const SHRINK_RIGHT: ResizeParam = (-1, 0, 0, 0);
pub const SHRINK_UP: ResizeParam = (0, -1, 0, 1);
pub const SHRINK_DOWN: ResizeParam = (0, -1, 0, 0);
pub fn new() -> Self {
Self {
enabled: false,
@ -34,6 +44,12 @@ impl Rule {
to: RulePattern::new(),
}
}
pub fn resize(&mut self, params: ResizeParam) {
let (dw, dh, dx, dy) = params;
self.from.resize(dw, dh, dx, dy);
self.to.resize(dw, dh, dx, dy);
}
}
impl Chunk {
@ -226,42 +242,25 @@ impl RulePattern {
self.width
}
pub fn extend_left(&mut self) {
let new_width = self.width + 1;
let mut new_vec = vec![None; new_width * self.height];
for y in 0..self.height {
for x in 0..self.width {
new_vec[x + new_width * y + 1] = self.contents[x + self.width * y];
fn resize(&mut self, dw: isize, dh: isize, dx: isize, dy: isize) {
let new_width = self.width.saturating_add_signed(dw);
let new_height = self.height.saturating_add_signed(dh);
if new_width < 1 || new_height < 1 {
return;
}
let mut new_contents = vec![None; new_width * new_height];
for nx in 0..new_width {
let oldx = nx.wrapping_add_signed(dx);
for ny in 0..new_height {
let oldy = ny.wrapping_add_signed(dy);
new_contents[nx + new_width * ny] = self.get(oldx, oldy);
}
}
self.width += 1;
self.contents = new_vec;
}
pub fn extend_right(&mut self) {
let new_width = self.width + 1;
let mut new_vec = vec![None; new_width * self.height];
for y in 0..self.height {
for x in 0..self.width {
new_vec[x + new_width * y] = self.contents[x + self.width * y];
}
}
self.width += 1;
self.contents = new_vec;
}
pub fn extend_up(&mut self) {
for _ in 0..self.width {
self.contents.insert(0, None);
}
self.height += 1;
}
pub fn extend_down(&mut self) {
for _ in 0..self.width {
self.contents.push(None);
}
self.height += 1;
self.contents = new_contents;
self.height = new_height;
self.width = new_width;
}
}

View file

@ -152,6 +152,9 @@ fn rule_editor(ui: &mut Ui, rule: &mut Rule, cells: &[CellData]) {
rule_cell_edit(ui, to_cells_rect.min, &mut rule.to, x, y, cells);
}
}
let delete_mode = ui.input(|i| i.modifiers.shift);
let mut resize_box = |x, y, w, h| {
let rect_a = Rect::from_min_size(Pos2::new(x, y), Vec2::new(w, h));
let a = ui.allocate_rect(rect_a, Sense::click());
@ -159,7 +162,11 @@ fn rule_editor(ui: &mut Ui, rule: &mut Rule, cells: &[CellData]) {
let b = ui.allocate_rect(rect_b, Sense::click());
let result = a.union(b);
let color = if result.hovered() {
Color32::GRAY
if delete_mode {
Color32::RED
} else {
Color32::GRAY
}
} else {
Color32::DARK_GRAY
};
@ -169,8 +176,11 @@ fn rule_editor(ui: &mut Ui, rule: &mut Rule, cells: &[CellData]) {
result.clicked()
};
if resize_box(bounds.min.x, bounds.min.y + margin, margin, patt_height) {
rule.from.extend_left();
rule.to.extend_left();
if delete_mode {
rule.resize(Rule::SHRINK_LEFT);
} else {
rule.resize(Rule::EXTEND_LEFT);
}
}
if resize_box(
from_cells_rect.max.x,
@ -178,12 +188,18 @@ fn rule_editor(ui: &mut Ui, rule: &mut Rule, cells: &[CellData]) {
margin,
patt_height,
) {
rule.from.extend_right();
rule.to.extend_right();
if delete_mode {
rule.resize(Rule::SHRINK_RIGHT);
} else {
rule.resize(Rule::EXTEND_RIGHT);
}
}
if resize_box(bounds.min.x + margin, bounds.min.y, patt_width, margin) {
rule.from.extend_up();
rule.to.extend_up();
if delete_mode {
rule.resize(Rule::SHRINK_UP);
} else {
rule.resize(Rule::EXTEND_UP);
}
}
if resize_box(
bounds.min.x + margin,
@ -191,8 +207,11 @@ fn rule_editor(ui: &mut Ui, rule: &mut Rule, cells: &[CellData]) {
patt_width,
margin,
) {
rule.from.extend_down();
rule.to.extend_down();
if delete_mode {
rule.resize(Rule::SHRINK_DOWN);
} else {
rule.resize(Rule::EXTEND_DOWN);
}
}
}