dev21w45c

Ready for review
This commit is contained in:
Victor Westerlund 2021-11-10 12:31:04 +01:00
parent 675fe748e4
commit 539690cbdd
3 changed files with 28 additions and 23 deletions

View file

@ -13,12 +13,8 @@ export default class Monkeydo extends MonkeyMaster {
// Execute a task
do(task) {
if(!task[1] in this.methods) return;
const args = task.splice(0,2);
this.methods[task[1]](...args);
}
async debug(state = true) {
return await this.setFlag("debug",state);
const args = task.splice(2);
this.methods[task[1]]?.(...args);
}
// Loop playback X times or negative number for infinite
@ -28,7 +24,7 @@ export default class Monkeydo extends MonkeyMaster {
}
times = Math.floor(times);
times = Math.min(Math.max(times,0),255); // Clamp number to 8 bits
return await this.setFlag("playing",times);
return await this.setFlag("loop",times);
}
// Load Monkeydo manifest

View file

@ -4,7 +4,7 @@ importScripts("https://unpkg.com/comlink/dist/umd/comlink.js");
class Monkey {
constructor() {
this.flags = new Uint8ClampedArray(2);
this.flags = new Uint8ClampedArray(3);
this.tasks = [];
this.tasksLength = 0;
this.i = 0;
@ -17,9 +17,8 @@ class Monkey {
// Task scheduler
next() {
if(this.flags[0] === 0 || this.flags[1] === 0) return;
if(this.flags[0] === 0 || this.flags[2] === 0) return this.abort();
const task = this.tasks[this.i];
console.log(task,this.i);
// Run task after delay
this.queue.thisTask = setTimeout(() => {
@ -30,9 +29,8 @@ class Monkey {
// Loop until flag is 0 or infinite if 255
if(this.i === this.tasksLength) {
this.i = 0;
if(this.flags[1] === 255) return;
this.flags[1]--;
this.i = -1;
if(this.flags[1] < 255) this.flags[2]--;
}
// Queue the next task
@ -40,11 +38,11 @@ class Monkey {
}
abort() {
this.flags[2] = 0; // Playing: false
clearTimeout(this.queue.thisTask);
clearTimeout(this.queue.nextTask);
this.queue.thisTask = null;
this.queue.nextTask = null;
this.flags[1] = 0; // Playing: false
}
// Set or get a runtime flag

View file

@ -41,7 +41,7 @@ export default class MonkeyMaster {
const worker = new Worker(this.getWorkerPath());
worker.addEventListener("message",event => {
if(event.data[0] !== "TASK") return;
this.do(event.data);
this.do(event.data[1]); // Send inner array (task)
});
const Monkey = Comlink.wrap(worker);
@ -61,31 +61,32 @@ export default class MonkeyMaster {
flagStringToIndex(flag) {
const flags = [
"MANIFEST_LOADED",
"LOOP",
"PLAYING"
];
// Translate string to index
if(typeof flag === "string" || flag < 0) {
flag = flags.indexOf(flag.toUpperCase());
if(flag < 0) return;
}
// Check that key is in bounds
if(flag < 0 || flags > flags.length - 1) {
throw new Error(`Array key '${flag}' out of range`);
}
if(flag < 0 || flags > flags.length - 1) return false;
return flag;
}
async getFlag(flag) {
const key = this.flagStringToIndex(flag);
if(!key) Promise.reject("Invalid flag");
return await this.comlink.flag(key);
}
// Set or queue worker runtime flag
async setFlag(flag,value) {
const key = this.flagStringToIndex(flag);
if(!key) Promise.reject("Invalid flag");
// Set the flag when the worker is ready
if(!this.ready) {
this.queue.flag = [key,value];
return;
@ -104,10 +105,13 @@ export default class MonkeyMaster {
if(!this.ready) await this.init();
return await new Promise((resolve,reject) => {
let load = null;
// Attempt load string as URL and fetch manifest
try {
const url = new URL(manifest);
// If the URL parsed but fetch failed, this promise will reject
load = this.comlink.fetchManifest(url.toString());
}
// Or attempt to load string as JSON if it's not a URL
catch {
load = this.comlink.loadManifest(manifest);
}
@ -116,11 +120,18 @@ export default class MonkeyMaster {
});
}
async stop() {
return await this.comlink.abort();
}
// Start playback of a loaded manifest
async start() {
// Set playstate if no value is present already
const loop = await this.getFlag("playing");
if(loop < 1) await this.setFlag("playing",1);
const playing = await this.getFlag("playing");
let loop = await this.getFlag("loop");
loop = loop > 0 ? loop : 1; // Play once if loop has no value
if(playing > 0) return;
await this.setFlag("playing",loop);
return await this.comlink.next();
}
}