feat: ledlab

presets/base-preset.js

@@ -0,0 +1,86 @@
+// Base preset class for LEDLab
+
+const { createFrame, frameToPayload } = require('./frame-utils');
+
+class BasePreset {
+  constructor(width = 16, height = 16) {
+    this.width = width;
+    this.height = height;
+    this.frameCount = 0;
+    this.isActive = false;
+    this.parameters = {};
+    this.defaultParameters = {};
+  }
+
+  // Initialize the preset with default parameters
+  init() {
+    this.frameCount = 0;
+    this.resetToDefaults();
+  }
+
+  // Reset parameters to their default values
+  resetToDefaults() {
+    this.parameters = { ...this.defaultParameters };
+  }
+
+  // Set a parameter value
+  setParameter(name, value) {
+    this.parameters[name] = value;
+  }
+
+  // Get a parameter value
+  getParameter(name) {
+    return this.parameters[name];
+  }
+
+  // Get all parameters
+  getParameters() {
+    return { ...this.parameters };
+  }
+
+  // Start the preset
+  start() {
+    this.isActive = true;
+    this.init();
+  }
+
+  // Stop the preset
+  stop() {
+    this.isActive = false;
+  }
+
+  // Generate the next frame
+  generateFrame() {
+    if (!this.isActive) {
+      return null;
+    }
+
+    const frame = this.renderFrame();
+    this.frameCount++;
+
+    if (frame) {
+      return frameToPayload(frame);
+    }
+
+    return null;
+  }
+
+  // Override in subclasses to render a frame
+  renderFrame() {
+    // Default implementation returns a blank frame
+    return createFrame(this.width, this.height, '000000');
+  }
+
+  // Get preset metadata
+  getMetadata() {
+    return {
+      name: this.constructor.name,
+      description: 'Base preset class',
+      parameters: this.defaultParameters,
+      width: this.width,
+      height: this.height,
+    };
+  }
+}
+
+module.exports = BasePreset;