diff --git a/src/encoders/index.ts b/src/encoders/index.ts index 21bf15e..5d83213 100644 --- a/src/encoders/index.ts +++ b/src/encoders/index.ts @@ -1,4 +1,5 @@ import ChannelBlock from './lighting/channel-block'; +import Spot from './lighting/spot'; import CentroidAccelVelocity from './motion/centroid-accel-velocity'; import CentroidPosition from './motion/centroid-position'; import OrientationEuler from './motion/orientation-euler'; @@ -23,5 +24,6 @@ export const Encoders = { TrackedPointAccelVelocity, ZoneCollisionDetection, ZoneObject, + Spot, ChannelBlock, }; diff --git a/src/encoders/lighting/spot.ts b/src/encoders/lighting/spot.ts new file mode 100644 index 0000000..4ecf7b4 --- /dev/null +++ b/src/encoders/lighting/spot.ts @@ -0,0 +1,32 @@ +export default ( + id: number, + offset: number, + channelBlockModules: Uint8Array[], + isLittleEndian: boolean = false +): Uint8Array => { + let totalSpotModuleSize = 1 + 2 + 2 + 2 + 2; + + channelBlockModules.forEach((channelBlockModule) => { + totalSpotModuleSize += channelBlockModule.byteLength; + }); + + const bytes = new Uint8Array(totalSpotModuleSize); + const view = new DataView(bytes.buffer, bytes.byteOffset, bytes.byteLength); + + let dataOffset = 0; + view.setUint8(dataOffset, 0x0a); + dataOffset += 1; + view.setUint16(dataOffset, bytes.byteLength, isLittleEndian); + dataOffset += 2; + view.setUint16(dataOffset, id, isLittleEndian); + dataOffset += 2; + view.setUint16(dataOffset, offset, isLittleEndian); + dataOffset += 2; + view.setUint16(dataOffset, channelBlockModules.length, isLittleEndian); + dataOffset += 2; + channelBlockModules.forEach((channelBlockModule) => { + bytes.set(channelBlockModule, dataOffset); + dataOffset += channelBlockModule.length; + }); + return bytes; +}; diff --git a/tests/lighting-encode.test.js b/tests/lighting-encode.test.js index cc16572..2160059 100644 --- a/tests/lighting-encode.test.js +++ b/tests/lighting-encode.test.js @@ -3,6 +3,13 @@ const { describe, it } = require('node:test'); const { Encoders } = require('../'); const goodTests = [ + { + description: 'Spot + Single Channel Block', + expected: new Uint8Array([0x0a, 0x00, 0x0e, 0x12, 0x34, 0x00, 0x01, 0x00, 0x01, 0x00, 0x08, 0x00, 0x06, 0x40]), + bytes: () => { + return Encoders.Spot(0x1234, 1, [Encoders.ChannelBlock(8, 6, 64)]); + }, + }, { description: 'Channel Block', expected: new Uint8Array([0x00, 0x08, 0x00, 0x06, 0x40]),