Make the main program a server and add knobs along with some mappings

view/assets/scripts/knobs.js

@@ -0,0 +1,148 @@
+class KnobElement extends HTMLElement {
+	static observedAttributes = ["min", "max", "value", "step"];
+
+	_min = -1;
+	rawValue = 0;
+	_value = 0;
+	step = 1;
+	_max = 1;
+
+	constructor() {
+		super();
+	}
+	connectedCallback() {
+		// if ("min" in this.attributes) {
+		// 	this._min = parseFloat(this.attributes["min"].value);
+		// }
+		// if ("max" in this.attributes) {
+		// 	this._max = parseFloat(this.attributes["max"].value);
+		// }
+		if ("value" in this.attributes) {
+			this.value = parseFloat(this.attributes["value"].value);
+		}
+		// if ("step" in this.attributes) {
+		// 	this.step = parseFloat(this.attributes["step"].value);
+		// }
+
+		var shadow = this.attachShadow({
+			"mode": "open"
+		});
+
+		var style = document.createElement("style");
+		style.textContent = `
+			#wrapper {
+				background-color: rgba(24, 24, 24, 1.0);
+				width: 40px;
+				height: 40px;
+				border-radius: 100%;
+			}
+
+			#cursor {
+				position: relative;
+				background-color: rgba(232, 232, 232, 1.0);
+				width: 4px;
+				height: 16px;
+				left: calc(50% - 2px);
+			}
+		`;
+
+		var wrapper = document.createElement("div");
+		wrapper.id = "wrapper";
+
+		wrapper.onmousedown = (function (event) {
+			window.onmousemove = (function (event) {
+				this.rawValue += event.movementX / 2;
+				if (this.rawValue < -128) {
+					this.rawValue = -128;
+				}
+				if (this.rawValue > 127) {
+					this.rawValue = 127;
+				}
+				var range = this._max - this._min;
+				var theoreticalValue = (((this.rawValue + Math.abs(-128)) * range) / 255) + this._min;
+
+				var invertedStep = 1 / this.step;
+				this._value = Math.round(theoreticalValue * invertedStep) / invertedStep;
+
+
+				this.wrapper.style.rotate = String((this.rawValue * 135) / 128) + "deg";
+
+				var inputEvent = new InputEvent("input");
+				this.dispatchEvent(inputEvent);
+			}).bind(this);
+
+			window.onmouseup = function (event) {
+				window.onmousemove = null;
+				window.onmouseup = null;
+			};
+		}).bind(this);
+
+		var cursor = document.createElement("div");
+		cursor.id = "cursor";
+
+		wrapper.appendChild(cursor);
+
+		shadow.appendChild(style);
+		shadow.appendChild(wrapper);
+
+		this.wrapper = wrapper;
+	}
+	attributeChangedCallback(name, oldValue, newValue) {
+		this[name] = parseFloat(newValue);
+	}
+	get min() {
+		return this._min;
+	}
+	set min(value) {
+		if (isNaN(value)) return;
+
+		this._min = value;
+
+		if (this._value < this._min) {
+			this._value = this._min;
+		}
+
+		this.rawValue = (((this._value + Math.abs(this._min)) * 255) / (this._max - this._min)) + -128;
+
+		if ("wrapper" in this)
+			this.wrapper.style.rotate = String((this.rawValue * 135) / 128) + "deg";
+	}
+	get value() {
+		return this._value;
+	}
+	set value(value) {
+		if (isNaN(value)) return;
+
+		if (value < this._min) {
+			this._value = this._min;
+		} else if (value > this._max) {
+			this._value = this._max;
+		} else {
+			this._value = value;
+		}
+
+		this.rawValue = (((this._value + Math.abs(this._min)) * 255) / (this._max - this._min)) + -128;
+
+		if ("wrapper" in this)
+			this.wrapper.style.rotate = String((this.rawValue * 135) / 128) + "deg";
+	}
+	get max() {
+		return this._max;
+	}
+	set max(value) {
+		if (isNaN(value)) return;
+
+		this._max = value;
+
+		if (this._value > this._max) {
+			this._value = this._max;
+		}
+
+		this.rawValue = (((this._value + Math.abs(this._min)) * 255) / (this._max - this._min)) + -128;
+
+		if ("wrapper" in this)
+			this.wrapper.style.rotate = String((this.rawValue * 135) / 128) + "deg";
+	}
+}
+
+customElements.define("knob-input", KnobElement);

view/assets/scripts/main.js

@@ -69,9 +69,15 @@ if (!("controller" in window)) {
 		"play_pause": function (deckIndex) {
 			sendControl("deck" + String(deckIndex) + ".play_pause");
 		},
+		"sync": function (deckIndex) {
+			sendControl("deck" + String(deckIndex) + ".sync");
+		},
 		"volume": function (deckIndex, value) {
 			sendControl("deck" + String(deckIndex) + ".volume", value);
 		},
+		"eq": function (deckIndex, freq, value) {
+			sendControl("deck" + String(deckIndex) + ".eq_" + freq, value);
+		},
 		"speed": function (deckIndex, value) {
 			sendControl("deck" + String(deckIndex) + ".speed", value);
 		},