add sample pack

src/API.ts

@@ -38,6 +38,7 @@ Array.prototype.in = function <T>(this: T[], value: T): boolean {
 Promise.all([
   initAudioOnFirstClick(),
   samples("github:tidalcycles/Dirt-Samples/master"),
+  samples("github:Bubobubobubobubo/Topos-Samples/main"),
   registerSynthSounds(),
 ]);
 
@@ -828,7 +829,7 @@ export class UserAPI {
      */
     let final_pulses: boolean[] = [];
     beat.forEach((b) => {
-      b = (b % this.app.clock.time_signature[0]);
+      b = (b  % this.app.clock.time_signature[0]) + 1;
       let integral_part = Math.floor(b);
       let decimal_part = b - integral_part;
       final_pulses.push(

src/Pattern.ts

@@ -0,0 +1,101 @@
+export class Pattern {
+
+    events: Event[];
+    _current : Event | undefined = undefined;
+
+    constructor(values: number[]) {
+        this.events = values.map((value, index) => new Event(value));
+        this.buildLinks();
+    }
+
+    // Create links cyclic links between events
+    buildLinks(): void {
+        this.events.forEach((event, index) => {
+            event._next = index < this.events.length - 1 ? this.events[index + 1] : this.events[0];
+        });
+    }
+
+    // Get the current event for this pattern
+    current(): Event {
+        if(this._current) this._current = this._current.next();
+        else this._current = this.events[0];
+        return this._current;
+    }
+}
+
+
+export class Event {
+    /**
+     * Simple Event class with simple numerical value and link to next event
+     */
+    _next!: Event;
+    _value: number;
+    // Used to store a modified version of the event
+    modifiedEvent: Event | undefined = undefined;
+    
+    constructor(value: number) {
+        this._value = value;
+    }
+
+    get value(): number {
+        if(this.modifiedEvent) return this.modifiedEvent._value;
+        return this._value;
+    }
+
+    add(value: number): Event {
+        if(!this.modifiedEvent) this.modifiedEvent = this.clone();
+        this.modifiedEvent._value += value;
+        return this;
+    }
+
+    next() {
+        if(this.modifiedEvent) {
+            const next = this.modifiedEvent._next;
+            // Set modifiedEvent to undefined, cos we dont want to apply methods to earlier modified events
+            this.modifiedEvent = undefined;
+            return next;
+        }
+        return this._next;
+    }
+
+    clone(): Event {
+        const event = new Event(this._value);
+        event._next = this._next;
+        return event;
+    }
+}
+
+// Simple cache for patterns
+let cache = new Map<string, Pattern>();
+
+// Create a cache key from the values of a pattern somehow
+const createCacheKey = (values: number[]) => values.join('-');
+
+// Get a cached pattern or create a new one
+const getCachedPattern = (values: number[]) => {
+    const key = createCacheKey(values);
+    const cachedPattern = cache.get(key);
+    if(cachedPattern) return cachedPattern;
+    const newPattern = new Pattern(values);
+    cache.set(key, newPattern);
+    return newPattern;
+}
+
+// Cached event function that includes the main logic
+const cachedEvent = (values: number[]): Event => {
+    const pattern = getCachedPattern(values);
+    if(pattern._current) { console.log("Play: ", pattern._current.value) }
+    else { console.log("Current is undefined so just starting!") }
+    return pattern.current();
+}
+
+// Test it out
+
+let i = 0;
+while(true) {
+
+    cachedEvent([1, 2, 3]).add(1).add(-2);
+
+    if(i++>10) break;
+    
+}