Rust refactor (Part 1)

crate/Cargo.toml

@@ -2,6 +2,7 @@
 name = "sandtable"
 version = "0.1.0"
 authors = ["maxbittker"]
+edition = "2021"
 
 [lib]
 crate-type = ["cdylib", "rlib"]
@@ -10,9 +11,8 @@ crate-type = ["cdylib", "rlib"]
 default = ["console_error_panic_hook"]
 
 [dependencies]
-cfg-if = "0.1.7"
+cfg-if = "1.0.0"
 wasm-bindgen = "0.2.42"
-js-sys = "0.3.19"
 rand = "0.8.3"
 rand_xoshiro = "0.6.0"
 
@@ -23,7 +23,12 @@ rand_xoshiro = "0.6.0"
 console_error_panic_hook = { version = "0.1.6", optional = true }
 
 [dev-dependencies]
-wasm-bindgen-test = "0.2"
+wasm-bindgen-test = "0.3.33"
+criterion = "0.4.0"
+
+[[bench]]
+name = "benchmarks"
+harness = false
 
 [profile.release]
 # Tell `rustc` to optimize for small code size.

crate/benches/benchmarks.rs

@@ -0,0 +1,34 @@
+use std::time::Duration;
+
+use criterion::{criterion_group, criterion_main, Criterion};
+use sandtable::{species::Species, universe::Universe};
+
+fn setup_universe() -> Universe {
+    let n = 300;
+    let h = n / 2;
+    let d = n / 10 * 9;
+
+    let mut universe = Universe::new(n, n);
+
+    universe.paint(10, 10, 10, Species::Sand);
+    universe.paint(h, h, d + 2, Species::Plant);
+    universe.paint(30, n - 10, 15, Species::Fire);
+    universe.paint(h - 30, n - 10, 15, Species::Fire);
+    universe.paint(h, h, n / 3, Species::Empty);
+    universe.paint(h, h, n / 3, Species::Fire);
+
+    universe
+}
+
+fn universe_benchmark(c: &mut Criterion) {
+    let mut group = c.benchmark_group("Universe");
+    group.measurement_time(Duration::from_secs(10));
+
+    group.bench_function("universe::tick", |b| {
+        let mut universe = setup_universe();
+        b.iter(|| universe.tick())
+    });
+}
+
+criterion_group!(benches, universe_benchmark);
+criterion_main!(benches);