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sexy/packages/buttplug/src/client/ButtplugClientDevice.ts

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2025-10-25 22:04:41 +02:00
/*!
* Buttplug JS Source Code File - Visit https://buttplug.io for more info about
* the project. Licensed under the BSD 3-Clause license. See LICENSE file in the
* project root for full license information.
*
* @copyright Copyright (c) Nonpolynomial Labs LLC. All rights reserved.
*/
"use strict";
import * as Messages from "../core/Messages";
import {
ButtplugDeviceError,
ButtplugError,
ButtplugMessageError,
} from "../core/Exceptions";
import { EventEmitter } from "eventemitter3";
import { getMessageClassFromMessage } from "../core/MessageUtils";
/**
* Represents an abstract device, capable of taking certain kinds of messages.
*/
export class ButtplugClientDevice extends EventEmitter {
/**
* Return the name of the device.
*/
public get name(): string {
return this._deviceInfo.DeviceName;
}
/**
* Return the user set name of the device.
*/
public get displayName(): string | undefined {
return this._deviceInfo.DeviceDisplayName;
}
/**
* Return the index of the device.
*/
public get index(): number {
return this._deviceInfo.DeviceIndex;
}
/**
* Return the index of the device.
*/
public get messageTimingGap(): number | undefined {
return this._deviceInfo.DeviceMessageTimingGap;
}
/**
* Return a list of message types the device accepts.
*/
public get messageAttributes(): Messages.MessageAttributes {
return this._deviceInfo.DeviceMessages;
}
public static fromMsg(
msg: Messages.DeviceInfo,
sendClosure: (
device: ButtplugClientDevice,
msg: Messages.ButtplugDeviceMessage,
) => Promise<Messages.ButtplugMessage>,
): ButtplugClientDevice {
return new ButtplugClientDevice(msg, sendClosure);
}
// Map of messages and their attributes (feature count, etc...)
private allowedMsgs: Map<string, Messages.MessageAttributes> = new Map<
string,
Messages.MessageAttributes
>();
/**
* @param _index Index of the device, as created by the device manager.
* @param _name Name of the device.
* @param allowedMsgs Buttplug messages the device can receive.
*/
constructor(
private _deviceInfo: Messages.DeviceInfo,
private _sendClosure: (
device: ButtplugClientDevice,
msg: Messages.ButtplugDeviceMessage,
) => Promise<Messages.ButtplugMessage>,
) {
super();
_deviceInfo.DeviceMessages.update();
}
public async send(
msg: Messages.ButtplugDeviceMessage,
): Promise<Messages.ButtplugMessage> {
// Assume we're getting the closure from ButtplugClient, which does all of
// the index/existence/connection/message checks for us.
return await this._sendClosure(this, msg);
}
public async sendExpectOk(
msg: Messages.ButtplugDeviceMessage,
): Promise<void> {
const response = await this.send(msg);
switch (getMessageClassFromMessage(response)) {
case Messages.Ok:
return;
case Messages.Error:
throw ButtplugError.FromError(response as Messages.Error);
default:
throw new ButtplugMessageError(
`Message type ${response.constructor} not handled by SendMsgExpectOk`,
);
}
}
public async scalar(
scalar: Messages.ScalarSubcommand | Messages.ScalarSubcommand[],
): Promise<void> {
if (Array.isArray(scalar)) {
await this.sendExpectOk(new Messages.ScalarCmd(scalar, this.index));
} else {
await this.sendExpectOk(new Messages.ScalarCmd([scalar], this.index));
}
}
private async scalarCommandBuilder(
speed: number | number[],
actuator: Messages.ActuatorType,
) {
const scalarAttrs = this.messageAttributes.ScalarCmd?.filter(
(x) => x.ActuatorType === actuator,
);
if (!scalarAttrs || scalarAttrs.length === 0) {
throw new ButtplugDeviceError(
`Device ${this.name} has no ${actuator} capabilities`,
);
}
const cmds: Messages.ScalarSubcommand[] = [];
if (typeof speed === "number") {
scalarAttrs.forEach((x) =>
cmds.push(new Messages.ScalarSubcommand(x.Index, speed, actuator)),
);
} else if (Array.isArray(speed)) {
if (speed.length > scalarAttrs.length) {
throw new ButtplugDeviceError(
`${speed.length} commands send to a device with ${scalarAttrs.length} vibrators`,
);
}
scalarAttrs.forEach((x, i) => {
cmds.push(new Messages.ScalarSubcommand(x.Index, speed[i], actuator));
});
} else {
throw new ButtplugDeviceError(
`${actuator} can only take numbers or arrays of numbers.`,
);
}
await this.scalar(cmds);
}
public get vibrateAttributes(): Messages.GenericDeviceMessageAttributes[] {
return (
this.messageAttributes.ScalarCmd?.filter(
(x) => x.ActuatorType === Messages.ActuatorType.Vibrate,
) ?? []
);
}
public async vibrate(speed: number | number[]): Promise<void> {
await this.scalarCommandBuilder(speed, Messages.ActuatorType.Vibrate);
}
public get oscillateAttributes(): Messages.GenericDeviceMessageAttributes[] {
return (
this.messageAttributes.ScalarCmd?.filter(
(x) => x.ActuatorType === Messages.ActuatorType.Oscillate,
) ?? []
);
}
public async oscillate(speed: number | number[]): Promise<void> {
await this.scalarCommandBuilder(speed, Messages.ActuatorType.Oscillate);
}
public get rotateAttributes(): Messages.GenericDeviceMessageAttributes[] {
return this.messageAttributes.RotateCmd ?? [];
}
public async rotate(
values: number | [number, boolean][],
clockwise?: boolean,
): Promise<void> {
const rotateAttrs = this.messageAttributes.RotateCmd;
if (!rotateAttrs || rotateAttrs.length === 0) {
throw new ButtplugDeviceError(
`Device ${this.name} has no Rotate capabilities`,
);
}
let msg: Messages.RotateCmd;
if (typeof values === "number") {
msg = Messages.RotateCmd.Create(
this.index,
new Array(rotateAttrs.length).fill([values, clockwise]),
);
} else if (Array.isArray(values)) {
msg = Messages.RotateCmd.Create(this.index, values);
} else {
throw new ButtplugDeviceError(
"SendRotateCmd can only take a number and boolean, or an array of number/boolean tuples",
);
}
await this.sendExpectOk(msg);
}
public get linearAttributes(): Messages.GenericDeviceMessageAttributes[] {
return this.messageAttributes.LinearCmd ?? [];
}
public async linear(
values: number | [number, number][],
duration?: number,
): Promise<void> {
const linearAttrs = this.messageAttributes.LinearCmd;
if (!linearAttrs || linearAttrs.length === 0) {
throw new ButtplugDeviceError(
`Device ${this.name} has no Linear capabilities`,
);
}
let msg: Messages.LinearCmd;
if (typeof values === "number") {
msg = Messages.LinearCmd.Create(
this.index,
new Array(linearAttrs.length).fill([values, duration]),
);
} else if (Array.isArray(values)) {
msg = Messages.LinearCmd.Create(this.index, values);
} else {
throw new ButtplugDeviceError(
"SendLinearCmd can only take a number and number, or an array of number/number tuples",
);
}
await this.sendExpectOk(msg);
}
public async sensorRead(
sensorIndex: number,
sensorType: Messages.SensorType,
): Promise<number[]> {
const response = await this.send(
new Messages.SensorReadCmd(this.index, sensorIndex, sensorType),
);
switch (getMessageClassFromMessage(response)) {
case Messages.SensorReading:
return (response as Messages.SensorReading).Data;
case Messages.Error:
throw ButtplugError.FromError(response as Messages.Error);
default:
throw new ButtplugMessageError(
`Message type ${response.constructor} not handled by sensorRead`,
);
}
}
public get hasBattery(): boolean {
const batteryAttrs = this.messageAttributes.SensorReadCmd?.filter(
(x) => x.SensorType === Messages.SensorType.Battery,
);
return batteryAttrs !== undefined && batteryAttrs.length > 0;
}
public async battery(): Promise<number> {
if (!this.hasBattery) {
throw new ButtplugDeviceError(
`Device ${this.name} has no Battery capabilities`,
);
}
const batteryAttrs = this.messageAttributes.SensorReadCmd?.filter(
(x) => x.SensorType === Messages.SensorType.Battery,
);
// Find the battery sensor, we'll need its index.
const result = await this.sensorRead(
batteryAttrs![0].Index,
Messages.SensorType.Battery,
);
return result[0] / 100.0;
}
public get hasRssi(): boolean {
const rssiAttrs = this.messageAttributes.SensorReadCmd?.filter(
(x) => x.SensorType === Messages.SensorType.RSSI,
);
return rssiAttrs !== undefined && rssiAttrs.length === 0;
}
public async rssi(): Promise<number> {
if (!this.hasRssi) {
throw new ButtplugDeviceError(
`Device ${this.name} has no RSSI capabilities`,
);
}
const rssiAttrs = this.messageAttributes.SensorReadCmd?.filter(
(x) => x.SensorType === Messages.SensorType.RSSI,
);
// Find the battery sensor, we'll need its index.
const result = await this.sensorRead(
rssiAttrs![0].Index,
Messages.SensorType.RSSI,
);
return result[0];
}
public async rawRead(
endpoint: string,
expectedLength: number,
timeout: number,
): Promise<Uint8Array> {
if (!this.messageAttributes.RawReadCmd) {
throw new ButtplugDeviceError(
`Device ${this.name} has no raw read capabilities`,
);
}
if (this.messageAttributes.RawReadCmd.Endpoints.indexOf(endpoint) === -1) {
throw new ButtplugDeviceError(
`Device ${this.name} has no raw readable endpoint ${endpoint}`,
);
}
const response = await this.send(
new Messages.RawReadCmd(this.index, endpoint, expectedLength, timeout),
);
switch (getMessageClassFromMessage(response)) {
case Messages.RawReading:
return new Uint8Array((response as Messages.RawReading).Data);
case Messages.Error:
throw ButtplugError.FromError(response as Messages.Error);
default:
throw new ButtplugMessageError(
`Message type ${response.constructor} not handled by rawRead`,
);
}
}
public async rawWrite(
endpoint: string,
data: Uint8Array,
writeWithResponse: boolean,
): Promise<void> {
if (!this.messageAttributes.RawWriteCmd) {
throw new ButtplugDeviceError(
`Device ${this.name} has no raw write capabilities`,
);
}
if (this.messageAttributes.RawWriteCmd.Endpoints.indexOf(endpoint) === -1) {
throw new ButtplugDeviceError(
`Device ${this.name} has no raw writable endpoint ${endpoint}`,
);
}
await this.sendExpectOk(
new Messages.RawWriteCmd(this.index, endpoint, data, writeWithResponse),
);
}
public async rawSubscribe(endpoint: string): Promise<void> {
if (!this.messageAttributes.RawSubscribeCmd) {
throw new ButtplugDeviceError(
`Device ${this.name} has no raw subscribe capabilities`,
);
}
if (
this.messageAttributes.RawSubscribeCmd.Endpoints.indexOf(endpoint) === -1
) {
throw new ButtplugDeviceError(
`Device ${this.name} has no raw subscribable endpoint ${endpoint}`,
);
}
await this.sendExpectOk(new Messages.RawSubscribeCmd(this.index, endpoint));
}
public async rawUnsubscribe(endpoint: string): Promise<void> {
// This reuses raw subscribe's info.
if (!this.messageAttributes.RawSubscribeCmd) {
throw new ButtplugDeviceError(
`Device ${this.name} has no raw unsubscribe capabilities`,
);
}
if (
this.messageAttributes.RawSubscribeCmd.Endpoints.indexOf(endpoint) === -1
) {
throw new ButtplugDeviceError(
`Device ${this.name} has no raw unsubscribable endpoint ${endpoint}`,
);
}
await this.sendExpectOk(
new Messages.RawUnsubscribeCmd(this.index, endpoint),
);
}
public async stop(): Promise<void> {
await this.sendExpectOk(new Messages.StopDeviceCmd(this.index));
}
public emitDisconnected() {
this.emit("deviceremoved");
}
}