ac script to provide an on-demand crowd, and an interface script to summon

it

scripts/developer/tests/performance/crowd-agent.js

@@ -0,0 +1,95 @@
+"use strict";
+/*jslint vars: true, plusplus: true*/
+/*global Agent, Avatar, Script, Entities, Vec3, Quat, print*/
+//
+//  crowd-agent.js
+//  scripts/developer/tests/performance/
+//
+//  Created by Howard Stearns on 9/29/16.
+//  Copyright 2016 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+//  Add this to domain-settings scripts url with n instances. It will lie dormant until
+//  a script like summon.js calls up to n avatars to be around you.
+
+var MESSAGE_CHANNEL = "io.highfidelity.summon-crowd";
+
+print('crowd-agent version 1');
+
+/* Observations:
+- File urls for AC scripts silently fail. Use a local server (e.g., python SimpleHTTPServer) for development.
+- URLs are cached regardless of server headers. Must use cache-defeating query parameters.
+- JSON.stringify(Avatar) silently fails (even when Agent.isAvatar)
+*/
+
+function startAgent(parameters) { // Can also be used to update.
+    print('crowd-agent starting params', JSON.stringify(parameters), JSON.stringify(Agent));
+    Agent.isAvatar = true;
+    if (parameters.position) {
+        Avatar.position = parameters.position;
+    }
+    if (parameters.orientation) {
+        Avatar.orientation = parameters.orientation;
+    }
+    if (parameters.skeletonModelURL) {
+        Avatar.skeletonModelURL = parameters.skeletonModelURL;
+    }
+    if (parameters.animationData) {
+        data = parameters.animationData;
+        Avatar.startAnimation(data.url, data.fps || 30, 1.0, (data.loopFlag === undefined) ? true : data.loopFlag, false, data.startFrame || 0, data.endFrame);
+    }
+    print('crowd-agent avatars started');
+}
+function stopAgent(parameters) {
+    Agent.isAvatar = false;
+    print('crowd-agent stopped', JSON.stringify(parameters), JSON.stringify(Agent));
+}
+
+function messageSend(message) {
+    Messages.sendMessage(MESSAGE_CHANNEL, JSON.stringify(message));
+}
+function messageHandler(channel, messageString, senderID) {
+    if (channel !== MESSAGE_CHANNEL) {
+        return;
+    }
+    print('crowd-agent message', channel, messageString, senderID);
+    if (Agent.sessionUUID === senderID) { // ignore my own
+        return;
+    }
+    var message = {};
+    try {
+        message = JSON.parse(messageString);
+    } catch (e) {
+        print(e);
+    }
+    switch (message.key) {
+    case "HELO":
+        messageSend({key: 'hello'}); // Allow the coordinator to count responses and make assignments.
+        break;
+    case 'hello': // ignore responses (e.g., from other agents)
+        break;
+    case "SUMMON":
+        if (message.rcpt === Agent.sessionUUID) {
+            startAgent(message);
+        }
+        break;
+    case "STOP":
+        if (message.rcpt === Agent.sessionUUID) {
+            stopAgent(message);
+        }
+        break;
+    default:
+        print("crowd-agent received unrecognized message:", channel, messageString, senderID);
+    }
+}
+Messages.subscribe(MESSAGE_CHANNEL);
+Messages.messageReceived.connect(messageHandler);
+
+Script.scriptEnding.connect(function () {
+    print('crowd-agent shutting down');
+    Messages.messageReceived.disconnect(messageHandler);
+    Messages.unsubscribe(MESSAGE_CHANNEL);
+    print('crowd-agent unsubscribed');
+});

scripts/developer/tests/performance/summon.js

@@ -0,0 +1,94 @@
+"use strict";
+/*jslint vars: true, plusplus: true*/
+/*global Agent, Avatar, Script, Entities, Vec3, Quat, print*/
+//
+//  crowd-agent.js
+//  scripts/developer/tests/performance/
+//
+//  Created by Howard Stearns on 9/29/16.
+//  Copyright 2016 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+// See crowd-agent.js
+
+var version = 1;
+var label = "summon";
+function debug() {
+    print.apply(null, [].concat.apply([label, version], [].map.call(arguments, JSON.stringify)));
+}
+var MINIMUM_AVATARS = 25;
+var DENSITY = 0.3; // square meters per person. Some say 10 sq ft is arm's length (0.9m^2), 4.5 is crowd (0.4m^2), 2.5 is mosh pit (0.2m^2).
+var spread = Math.sqrt(MINIMUM_AVATARS * DENSITY); // meters
+var turnSpread = 90; // How many degrees should turn from front range over.
+
+function coord() { return (Math.random() * spread) - (spread / 2); }  // randomly distribute a coordinate zero += spread/2.
+
+
+var summonedAgents = [];
+var MESSAGE_CHANNEL = "io.highfidelity.summon-crowd";
+function messageSend(message) {
+    Messages.sendMessage(MESSAGE_CHANNEL, JSON.stringify(message));
+}
+function messageHandler(channel, messageString, senderID) {
+    if (channel !== MESSAGE_CHANNEL) {
+        return;
+    }
+    debug('message', channel, messageString, senderID);
+    if (MyAvatar.sessionUUID === senderID) { // ignore my own
+        return;
+    }
+    var message = {}, avatarIdentifiers;
+    try {
+        message = JSON.parse(messageString);
+    } catch (e) {
+        print(e);
+    }
+    switch (message.key) {
+    case "hello":
+        // There can be avatars we've summoned that do not yet appear in the AvatarList.
+        avatarIdentifiers = AvatarList.getAvatarIdentifiers().filter(function (id) { return summonedAgents.indexOf(id) === -1; });
+        debug('present', avatarIdentifiers, summonedAgents);
+        if ((summonedAgents.length + avatarIdentifiers.length) < MINIMUM_AVATARS ) {
+            summonedAgents.push(senderID);
+            messageSend({
+                key: 'SUMMON',
+                rcpt: senderID,
+                position: Vec3.sum(MyAvatar.position, {x: coord(), y: 0, z: coord()}),
+                orientation: Quat.fromPitchYawRollDegrees(0, Quat.safeEulerAngles(MyAvatar.orientation).y + (turnSpread * (Math.random() - 0.5)), 0)/*,
+                // No need to specify skeletonModelURL
+                //skeletonModelURL: "file:///c:/Program Files/High Fidelity Release/resources/meshes/being_of_light/being_of_light.fbx",
+                //skeletonModelURL: "file:///c:/Program Files/High Fidelity Release/resources/meshes/defaultAvatar_full.fst"/,
+                animationData: { // T-pose until we get animations working again.
+                    "url": "file:///C:/Program Files/High Fidelity Release/resources/avatar/animations/idle.fbx",
+                    //"url": "file:///c:/Program Files/High Fidelity Release/resources/avatar/animations/walk_fwd.fbx",
+                    "startFrame": 0.0,
+                    "endFrame": 300.0,
+                    "timeScale": 1.0,
+                    "loopFlag": true
+                }*/
+            });
+        }
+        break;
+    case "HELO":
+        Window.alert("Someone else is summoning avatars.");
+        break;
+    default:
+        print("crowd-agent received unrecognized message:", messageString);
+    }
+}
+Messages.subscribe(MESSAGE_CHANNEL);
+Messages.messageReceived.connect(messageHandler);
+Script.scriptEnding.connect(function () {
+    debug('stopping agents', summonedAgents);
+    summonedAgents.forEach(function (id) { messageSend({key: 'STOP', rcpt: id}); });
+    debug('agents stopped');
+    Script.setTimeout(function () {
+        Messages.messageReceived.disconnect(messageHandler);
+        Messages.unsubscribe(MESSAGE_CHANNEL);
+        debug('unsubscribed');
+    }, 500);
+});
+
+messageSend({key: 'HELO'}); // Ask agents to report in now, before we start the tribbles.