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Auto-play recording at start-up

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David Rowe 2017-04-09 15:52:56 +12:00
parent adabcab888
commit d60d4d0755
1 changed files with 98 additions and 23 deletions
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121
scripts/system/playRecordingAC.js
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@ -36,14 +36,16 @@
TIMESTAMP_UPDATE_INTERVAL = 2000, // TODO: Final value.
ENTITY_NAME = "Recording",
ENTITY_DESCRIPTION = "Avatar recording to play back",
ENTITIY_POSITION = { x: -16382, y: -16382, z: -16382 }; // Near but not right on corner boundary.
ENTITIY_POSITION = { x: -16382, y: -16382, z: -16382 }, // Near but not right on domain corner.
ENTITY_SEARCH_DELTA = { x: 1, y: 1, z: 1 }; // Allow for position imprecision.
function onUpdateTimestamp() {
userData.timestamp = Date.now();
Entities.editEntity(entityID, { userData: JSON.stringify(userData) });
EntityViewer.queryOctree(); // Keep up to date ready for find().
}
function create(filename, scriptUUID) {
function create(filename, position, orientation, scriptUUID) {
// Create a new persistence entity (even if already have one but that should never occur).
var properties;
@ -53,6 +55,8 @@
userData = {
recording: filename,
position: position,
orientation: orientation,
scriptUUID: scriptUUID,
timestamp: Date.now()
};
@ -67,12 +71,48 @@
};
entityID = Entities.addEntity(properties);
// TODO: Handle failure adding entity?
updateTimestampTimer = Script.setInterval(onUpdateTimestamp, TIMESTAMP_UPDATE_INTERVAL);
}
function find() {
// TODO
function find(scriptUUID) {
// Find a recording that isn't being played.
var isFound = false,
entityIDs,
index = 0,
properties;
entityIDs = Entities.findEntities(ENTITIY_POSITION, ENTITY_SEARCH_DELTA.x);
if (entityIDs.length > 0) {
while (!isFound && index < entityIDs.length - 1) {
// Find recording that isn't being played.
index += 1;
properties = Entities.getEntityProperties(entityIDs[index], ["name", "userData"]);
if (properties.name === ENTITY_NAME) {
// TODO: Guard against userData being non-existent or corrupt.
userData = JSON.parse(properties.userData);
// TODO: Verify that 2 * TIMESTAMP_UPDATE_INTERVAL is sufficient w.r.t. EntityViewer.queryOctree().
isFound = (Date.now() - userData.timestamp) > (2 * TIMESTAMP_UPDATE_INTERVAL);
}
}
}
if (isFound) {
// Claim recording.
// TODO: Guard against another AC script claiming the same recording at the same time.
entityID = entityIDs[index];
userData.scriptUUID = scriptUUID;
userData.timestamp = Date.now();
Entities.editEntity(entityID, { userData: JSON.stringify(userData) });
updateTimestampTimer = Script.setInterval(onUpdateTimestamp, TIMESTAMP_UPDATE_INTERVAL);
// Return recording info to play.
return { recording: userData.recording, position: userData.position, orientation: userData.orientation };
}
EntityViewer.queryOctree(); // Update octree ready for next find() call.
return null;
}
function destroy() {
@ -86,32 +126,41 @@
}
}
function setUp() {
// Set up EntityViewer so that can do Entities.findEntities().
// Position and orientation set so that viewing entities only in corner of domain.
var entityViewerPosition = Vec3.sum(ENTITIY_POSITION, ENTITY_SEARCH_DELTA);
EntityViewer.setPosition(entityViewerPosition);
EntityViewer.setOrientation(Quat.lookAtSimple(entityViewerPosition, ENTITIY_POSITION));
EntityViewer.queryOctree();
}
function tearDown() {
// Nothing to do.
}
return {
create: create,
find: find,
destroy: destroy
destroy: destroy,
setUp: setUp,
tearDown: tearDown
};
}());
Player = (function () {
// Recording playback functions.
var isPlayingRecording = false,
recordingFilename = "";
function play(recording, position, orientation) {
isPlayingRecording = true;
recordingFilename = recording;
log("Play new recording " + recordingFilename);
Entity.create(recordingFilename, scriptUUID);
recordingFilename = "",
autoPlayTimer = null,
AUTOPLAY_SEARCH_INTERVAL = 2000; // TODO: Final value.
function playRecording(recording, position, orientation) {
Agent.isAvatar = true;
Avatar.position = position;
Avatar.orientation = orientation;
Recording.loadRecording(recordingFilename);
Recording.loadRecording(recording);
Recording.setPlayFromCurrentLocation(true);
Recording.setPlayerUseDisplayName(true);
Recording.setPlayerUseHeadModel(false);
@ -123,8 +172,30 @@
Recording.startPlaying();
}
function play(recording, position, orientation) {
isPlayingRecording = true;
recordingFilename = recording;
log("Play new recording " + recordingFilename);
Entity.create(recordingFilename, position, orientation, scriptUUID);
playRecording(recordingFilename, position, orientation);
}
function autoPlay() {
// TODO: Automatically play a persisted recording, if any.
var recording;
recording = Entity.find(scriptUUID);
if (recording) {
isPlayingRecording = true;
recordingFilename = recording.recording;
log("Play persisted recording " + recordingFilename);
playRecording(recording.recording, recording.position, recording.orientation);
} else {
autoPlayTimer = Script.setTimeout(autoPlay, AUTOPLAY_SEARCH_INTERVAL); // Try again soon.
}
}
function stop() {
@ -148,11 +219,15 @@
}
function setUp() {
// Nothing to do.
Entity.setUp();
}
function tearDown() {
// Nothing to do.
if (autoPlayTimer) {
Script.clearTimeout(autoPlayTimer);
autoPlayTimer = null;
}
Entity.tearDown();
}
return {
@ -174,7 +249,7 @@
heartbeatTimer = Script.setTimeout(sendHeartbeat, HEARTBEAT_INTERVAL);
}
function cancelHeartbeat() {
function stopHeartbeat() {
if (heartbeatTimer) {
Script.clearTimeout(heartbeatTimer);
heartbeatTimer = null;
@ -195,7 +270,7 @@
break;
case PLAYER_COMMAND_STOP:
Player.stop();
Player.autoPlay();
Player.autoPlay(); // There may be another recording to play.
sendHeartbeat();
break;
}
@ -215,12 +290,12 @@
}
function tearDown() {
cancelHeartbeat();
stopHeartbeat();
Player.stop();
Messages.messageReceived.disconnect(onMessageReceived);
Messages.unsubscribe(HIFI_PLAYER_CHANNEL);
Player.stop();
Player.tearDown();
}