Initial pass at an interval-based tick closure

Author: apnorton

bot_template.js.j2

@@ -21,5 +21,4 @@ function decode(encoded) {
     return bytes.buffer;
 }
 
-let wasm_module;
-__wbg_init(decode(wasm_data)).then(result => wasm_module = result);
+__wbg_init(decode(wasm_data)).then(result => result.run());

gaussian-bots/Cargo.lock

@@ -15,6 +15,10 @@ opt-level = 'z'
 [dependencies]
 js-sys = "0.3.67"
 wasm-bindgen = "0.2.90"
+web-sys = { version = "0.3.67", features = ["Window"] }
+
+[package.metadata.wasm-pack.profile.release]
+wasm-opt = ['-O4']
 
 [package.metadata.wasm-pack.profile.release.wasm-bindgen]
-omit-default-module-path = true
+omit-default-module-path = true

gaussian-bots/Cargo.toml

@@ -1,6 +1,26 @@
 pub mod wrappers;
 
 use wasm_bindgen::prelude::*;
+use web_sys;
+
+#[wasm_bindgen]
+pub fn run() -> Result<(), JsValue> {
+    // todo: set up setInterval call
+    let window = web_sys::window().expect("Error: window not found");
+    let tick_fn = Closure::<dyn Fn()>::new(move || tick());
+    window.set_interval_with_callback_and_timeout_and_arguments_0(
+        tick_fn.as_ref().unchecked_ref(),
+        5000,
+    )?;
+
+    tick_fn.forget(); // memory leak, but we can't drop the reference and still call periodically.
+    Ok(())
+}
+
+#[wasm_bindgen]
+pub fn tick() {
+    wrappers::al_log("Hi");
+}
 
 #[wasm_bindgen]
 pub fn refill_resources() {

gaussian-bots/src/lib.rs

@@ -25,3 +25,7 @@ pub fn use_skill_targetless(skill: Skill) {
     juse_skill(skill_to_str(skill), JsValue::NULL, JsValue::NULL);
     jlog("Used an hp or mp pot... FROM RUST! 🦀");
 }
+
+pub fn al_log(s: &str) {
+    jlog(s);
+}