add decoder for universe

src/decoders/lighting/universe.ts

@@ -0,0 +1,41 @@
+import { Decoders } from '..';
+import { Spot, Universe } from '../../models';
+
+export default (bytes: Uint8Array, isLittleEndian: boolean = false): Universe => {
+  const view = new DataView(bytes.buffer, bytes.byteOffset, bytes.byteLength);
+
+  let dataOffset = 0;
+  const type = view.getUint8(dataOffset);
+  dataOffset += 1;
+  if (type !== 0x09) {
+    throw new Error('Universe module must have a type of 0x09');
+  }
+
+  const size = view.getUint16(dataOffset, isLittleEndian);
+  dataOffset += 2;
+  if (size !== bytes.byteLength) {
+    throw new Error('Universe module size mismatch');
+  }
+  const id = view.getUint16(dataOffset, isLittleEndian);
+  dataOffset += 2;
+  const numberOfSpots = view.getUint16(dataOffset, isLittleEndian);
+  dataOffset += 2;
+
+  const spots: Spot[] = [];
+  let spotOffset = dataOffset;
+
+  for (let index = 0; index < numberOfSpots; index++) {
+    const spotData = bytes.subarray(spotOffset);
+    console.log(spotData);
+    const spot = Decoders.Spot(spotData);
+    spots.push(spot);
+    spotOffset += spot.size;
+  }
+  return {
+    type,
+    size,
+    id,
+    numberOfSpots,
+    spots,
+  };
+};