terrain_forge/compose/
pipeline.rs1use crate::{Algorithm, Cell, Grid};
4
5pub struct Pipeline<C: Cell> {
6 steps: Vec<Box<dyn Algorithm<C>>>,
7}
8
9impl<C: Cell> Pipeline<C> {
10 pub fn new() -> Self {
11 Self { steps: Vec::new() }
12 }
13
14 pub fn then<A: Algorithm<C> + 'static>(mut self, algorithm: A) -> Self {
15 self.steps.push(Box::new(algorithm));
16 self
17 }
18
19 #[allow(clippy::should_implement_trait)]
21 pub fn add<A: Algorithm<C> + 'static>(self, algorithm: A) -> Self {
22 self.then(algorithm)
23 }
24
25 pub fn execute(&self, grid: &mut Grid<C>, seed: u64) {
26 for (i, step) in self.steps.iter().enumerate() {
27 step.generate(grid, seed.wrapping_add(i as u64 * 1000));
28 }
29 }
30}
31
32impl<C: Cell> Default for Pipeline<C> {
33 fn default() -> Self {
34 Self::new()
35 }
36}
37
38impl<C: Cell> Algorithm<C> for Pipeline<C> {
39 fn generate(&self, grid: &mut Grid<C>, seed: u64) {
40 self.execute(grid, seed);
41 }
42
43 fn name(&self) -> &'static str {
44 "Pipeline"
45 }
46}