content/hifi-content/robin/dev/sitLocalEntities/sitClient.js
2022-02-14 02:04:11 +01:00

851 lines
30 KiB
JavaScript

//
// sitClient.js
//
// Updated by Robin Wilson 1/17/2019
// Modified by Robin Wilson, Rebecca Stankus, and Alexia Mandeville June 2018
// Originally created by Clement Brisset on 3/3/17
//
// Copyright 2019 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
//
// Allows avatars to sit in High Fidelity after clicking on an overlay. Works with sitServer.js.
//
// Configurable variables are:
// - SHOW_PRESIT_IMAGE_IN_HMD
// - CHAIR_OFFSET_RATIO
//
/* globals Entities, Script, AnimationCache, Settings, MyAvatar, DriveKeys, AvatarList,
Vec3, HMD, Overlays, Camera, isInEditMode */
(function () {
// #region CONFIGURABLE VARIABLES
// true - shows "Face Forward Overlay" before sit; false - sits immediately with no overlay
var SHOW_PRESIT_IMAGE_IN_HMD = true;
// Used to calculate pin hip position. Adds CHAIR_OFFSET_RATIO * chair's y dimension to the y center of the seat.
// Avatar sit position y = CHAIR_OFFSET_RATIO * height of chair
var CHAIR_OFFSET_RATIO = 0.1;
// Debug statements
var SITTING_DEBUG = false; // turn on sitting debug print statements
var UI_DEBUG = false; // turn on overlay debug print statements
// #endregion CONFIGURABLE VARIABLES
// #region DEPENDENCIES
Script.include("/~/system/libraries/utils.js");
// #endregion DEPENDENCIES
// #region SITTABLE - Local entity image on chair "Click to Sit" or "Trigger to Sit"
// Create sittable local entity
var SITTABLE_FADE_MS = 50; // "Click/Trigger to Sit" local entity image fade after 50 ms
var SITTABLE_DISTANCE_SHOW_M = 3; // m
var SITTABLE_DISTANCE_MAX_M = 5; // m
var SITTABLE_START_ALPHA = 0.7;
var SITTABLE_MIN_END_ALPHA = 0.075; // fades to this alpha value
var SITTABLE_IMAGE_URL_HMD = Script.resolvePath("./resources/images/triggerToSit.png");
var SITTABLE_IMAGE_URL_DESKTOP = Script.resolvePath("./resources/images/clickToSit.png");
var sittableID = null;
var intervalSittableTransparency = null;
var sittable_y_offset = 0.01; // default 0.01
function sittableCreate() {
if (UI_DEBUG) {
print("SittableCreate");
}
setChairProperties();
// change the image based on what modality the user is in
var url = HMD.active
? SITTABLE_IMAGE_URL_HMD
: SITTABLE_IMAGE_URL_DESKTOP;
var localOffset = {
x: 0,
y: sittable_y_offset,
z: 0
};
var worldOffset = Vec3.multiplyQbyV(chairProperties.rotation, localOffset);
var sittablePosition = Vec3.sum(chairProperties.position, worldOffset);
sittableID = Entities.addEntity({
type: "Image",
grab: {
grabbable: false,
},
dynamic: false,
position: sittablePosition,
rotation: Quat.multiply(chairProperties.rotation, Quat.fromVec3Degrees({ x: -90, y: 180, z: 0 })),
dimensions: {
x: 0.3,
y: 0.3
},
imageURL: url,
ignoreRayIntersection: false,
alpha: SITTABLE_START_ALPHA,
visible: true,
emissive: true
},
"local"
);
HMD.displayModeChanged.connect(sittableSwitchHMDToDesktopText);
sittableLerpTransparency();
}
// Fade's the sittable local entity over time
function sittableLerpTransparency() {
if (UI_DEBUG) {
print("sittableLerpTransparency");
}
var startAlpha = SITTABLE_START_ALPHA;
var changeAlpha = 0.01;
// Update the alpha value on the sittable overlay
intervalSittableTransparency = Script.setInterval(function () {
startAlpha = startAlpha - changeAlpha;
Entities.editEntity(sittableID, { alpha: startAlpha });
if (startAlpha <= SITTABLE_MIN_END_ALPHA) {
// Stop fading and keep overlay at the minimum alpha
Script.clearInterval(intervalSittableTransparency);
intervalSittableTransparency = null;
}
}, SITTABLE_FADE_MS);
}
// Switch sittable local entity text from desktop mode "Click to Sit" to HMD mode "Trigger to Sit"
function sittableSwitchHMDToDesktopText() {
if (sittableID) {
var url = HMD.active
? SITTABLE_IMAGE_URL_HMD
: SITTABLE_IMAGE_URL_DESKTOP;
Entities.editEntity(sittableID, { imageURL: url });
}
}
// Remove sittable local entity if it exists
function sittableRemove() {
if (UI_DEBUG) {
print("sittableRemove");
}
if (sittableID) {
Entities.deleteEntity(sittableID);
sittableID = null;
if (intervalSittableTransparency) {
Script.clearInterval(intervalSittableTransparency);
intervalSittableTransparency = null;
}
HMD.displayModeChanged.disconnect(sittableSwitchHMDToDesktopText);
}
}
// Is avatar in range with available seat?
// Return boolean to whether sittable local entity should be shown
function shouldShowSittable() {
var seatPosition = chairProperties.position;
var distanceFromSeat = Vec3.distance(MyAvatar.position, seatPosition);
return (distanceFromSeat < SITTABLE_DISTANCE_SHOW_M && !isAvatarSittingInSeat() && !overlayPreSit);
}
// #endregion SITTABLE LOCAL ENTITY
// #region PRESIT OVERLAY - Overlay shown in HMD before sitting and after clicking sittable overlay
// Has the sitting animation and "Please Face Forward"
var OVERLAY_PRESIT_FRAME_DURATION = 160; // ms time duration for HMD presit overlay
var OVERLAY_PRESIT_URL_ROOT = "./resources/images/presit/sitConfirm";
var OVERLAY_PRESIT_URL_POSTFIX = ".png";
var OVERLAY_PRESIT_URL_NUM = 12;
var OVERLAY_PRESIT_URL_TEXT = Script.resolvePath("./resources/images/presit/pleaseFaceForward.png");
var overlayPreSit = null;
var overlayPreSitText = null;
var overlayPreSitLoaded = [];
var overlayPreSitTextLoaded = null;
var intervalUpdatePreSitImage = null;
var preSitLoadIndex = 0;
// Prefetch all presit overlay images into user's client
function prefetchPresitOverlayImages() {
var str;
for (var i = 0; i < OVERLAY_PRESIT_URL_NUM; i++) {
str = i + 1;
overlayPreSitLoaded[i] =
TextureCache.prefetch(Script.resolvePath(OVERLAY_PRESIT_URL_ROOT + str + OVERLAY_PRESIT_URL_POSTFIX));
}
overlayPreSitTextLoaded = TextureCache.prefetch(OVERLAY_PRESIT_URL_TEXT);
}
function preSitCreate() {
if (overlayPreSit) {
return;
}
overlayPreSit = Overlays.addOverlay(
"image3d",
getInFrontOverlayProperties(
{ x: 0, y: 0.1, z: -1 },
{ x: 0.2, y: 0.2 },
overlayPreSitLoaded[preSitLoadIndex].url
)
);
overlayPreSitText = Overlays.addOverlay(
"image3d",
getInFrontOverlayProperties(
{ x: 0, y: -0.05, z: -1 },
{ x: 0.425, y: 0.425 },
overlayPreSitTextLoaded.url
)
);
// Flash through the presit animation images via overlay for a smooth avatar sitting animation
intervalUpdatePreSitImage = Script.setInterval(function () {
if (overlayPreSit) {
if (preSitLoadIndex >= overlayPreSitLoaded.length) {
preSitEndUpdateInterval();
}
preSitLoadIndex = preSitLoadIndex + 1;
Overlays.editOverlay(overlayPreSit, { url: overlayPreSitLoaded[preSitLoadIndex].url });
}
}, OVERLAY_PRESIT_FRAME_DURATION);
}
function preSitEndUpdateInterval() {
if (intervalUpdatePreSitImage) {
Script.clearInterval(intervalUpdatePreSitImage);
intervalUpdatePreSitImage = null;
}
}
function preSitRemove() {
if (overlayPreSit) {
preSitEndUpdateInterval();
Overlays.deleteOverlay(overlayPreSit);
overlayPreSit = null;
preSitLoadIndex = 0;
if (overlayPreSitText !== null) {
Overlays.deleteOverlay(overlayPreSitText);
}
}
}
// #endregion PRESIT OVERLAY
// #region STAND UP OVERLAY - Overlay shown when holding a drive key after sitting
var OVERLAY_URL_STANDUP = Script.resolvePath("./resources/images/holdToStandUp.png");
var overlayStandUp = null;
function standUpCreate() {
if (!overlayStandUp) {
overlayStandUp = Overlays.addOverlay(
"image3d",
getInFrontOverlayProperties(
{ x: 0, y: 0, z: -1 },
{ x: 0.2, y: 0.2 },
OVERLAY_URL_STANDUP
)
);
}
}
function standUpRemove() {
if (overlayStandUp) {
Overlays.deleteOverlay(overlayStandUp);
overlayStandUp = null;
}
}
// #endregion STAND UP OVERLAY
// #region CREATE MODE OVERLAY
// alpha value change during edit mode
var MINIMUM_ALPHA = 0.3; // 50% alpha value
var OVERLAY_ALPHA = 0.1; // 10% alpha value for createModeOverlay
var CREATE_OVERLAY_DIMENSIONS_OFFSET = 0.02; // add 0.02 m to the sides of the cube to avoid z fighting
var checkAlpha = false; // false if chair alpha is > MINIMUM_ALPHA, true if chair alpha is < MINIMUM_ALPHA
var createModeOverlay = null; // overlay id for create mode overlay
// Creates an overlay if the user is in create mode
// Enabled only if the chair alpha value is <= MINIMUM_ALPHA
function checkOrCreateCreateModeOverlay() {
if (!checkAlpha) {
return;
}
// check Alpha is enabled
if (checkAlpha) {
// is in Edit mode && alpha value has not changed
if (isInEditMode() && !createModeOverlay) {
setChairProperties();
var position = chairProperties.position;
var registrationPoint = chairProperties.registrationPoint;
var dimensions = chairProperties.dimensions;
var rotation = chairProperties.rotation;
// Local position relative to cube
// And adjust for registrationPoint to match the cube exactly
var localOffset = {
x: NEG_ONE * (registrationPoint.x - HALF) * dimensions.x,
y: NEG_ONE * (registrationPoint.y - HALF) * dimensions.y,
z: NEG_ONE * (registrationPoint.z - HALF) * dimensions.z
};
var worldOffset = Vec3.multiplyQbyV(rotation, localOffset);
var worldPosition = Vec3.sum(position, worldOffset);
// Create visible cube
createModeOverlay = Overlays.addOverlay("cube", {
position: {
x: worldPosition.x,
y: worldPosition.y,
z: worldPosition.z
},
rotation: rotation,
dimensions: {
x: dimensions.x + CREATE_OVERLAY_DIMENSIONS_OFFSET,
y: dimensions.y - CREATE_OVERLAY_DIMENSIONS_OFFSET * HALF, // Able to select from top in HMD create mode
z: dimensions.z + CREATE_OVERLAY_DIMENSIONS_OFFSET
},
solid: true,
alpha: OVERLAY_ALPHA,
parentID: entityID
});
}
// Is in Edit mode && alpha value has changed
if (!isInEditMode() && createModeOverlay) {
// Set alpha back to 0
if (createModeOverlay) {
Overlays.deleteOverlay(createModeOverlay);
createModeOverlay = null;
}
}
}
}
// #endregion CREATE MODE OVERLAY
// #region UTILS
// Constants
var SITTING_SEARCH_RADIUS_M = 0.01; // m to check if avatar is sitting in chair
var HALF = 0.5;
var NEG_ONE = -1;
// Dynamic variables
var chairProperties = null;
// Is another avatar sitting in the chair?
function isAvatarSittingInSeat() {
// Used canSit()
var nearbyAvatars = AvatarList.getAvatarsInRange(seatCenterPosition, SITTING_SEARCH_RADIUS_M);
if (nearbyAvatars.length === 0) {
// chair is empty
return null;
} else {
return nearbyAvatars[0];
}
}
// String utility
function startsWith(str, searchString, position) {
position = position || 0;
return str.substr(position, searchString.length) === searchString;
}
function canSit() {
if (UI_DEBUG) {
print("Sittable overlay id is: ", sittableID);
}
if (!chairProperties) {
setChairProperties();
}
var distanceFromSeat = Vec3.distance(MyAvatar.position, chairProperties.position);
var isWithinSitDistance = distanceFromSeat < SITTABLE_DISTANCE_MAX_M;
var isOpenSeat = !isAvatarSittingInSeat();
if (SITTING_DEBUG) {
print("canSit(): ", isWithinSitDistance, isOpenSeat);
}
return isWithinSitDistance && isOpenSeat;
}
function rolesToOverride() {
// Get all animation roles that sit will override
return MyAvatar.getAnimationRoles().filter(function (role) {
return !(startsWith(role, "right") || startsWith(role, "left"));
});
}
// Overlay properties in front of Camera
// Arguments: position in front of Camera, overlay dimensions, overlay image url
function getInFrontOverlayProperties(positionInFront, dimensions, url) {
return {
position: Vec3.sum(Camera.position, Vec3.multiplyQbyV(Camera.orientation, positionInFront)),
rotation: Camera.orientation,
parentID: MyAvatar.sessionUUID,
parentJointIndex: MyAvatar.getJointIndex("_CAMERA_MATRIX"),
dimensions: dimensions,
url: url,
ignoreRayIntersection: false,
drawInFront: true,
visible: true,
emissive: true
};
}
function setChairProperties() {
chairProperties = Entities.getEntityProperties(
entityID,
[
"dimensions",
"registrationPoint",
"position",
"rotation",
"alpha"
]
);
}
// #endregion UTILS
// #region SIT ACTIONS
var SIT_SETTLE_TIME_MS = 350; // Do not pop avatar out of chair immediates if there's an issue
var SETTING_KEY_AVATAR_SITTING = "com.highfidelity.avatar.isSitting";
var STANDUP_DELAY_MS = 25; // ms for timeout in standup
var SIT_DELAY_MS = 50; // ms for timeouts in sit
var OVERRIDDEN_DRIVE_KEYS = [
DriveKeys.TRANSLATE_X,
DriveKeys.TRANSLATE_Y,
DriveKeys.TRANSLATE_Z,
DriveKeys.STEP_TRANSLATE_X,
DriveKeys.STEP_TRANSLATE_Y,
DriveKeys.STEP_TRANSLATE_Z
];
var sittingDown = false;
var canStand = false;
var seatCenterPosition = null;
var lockChairOnStandUp = null;
// User can click on overlay to sit down
function mouseReleaseOnSittableLocalEntity(overlayID, pointerEvent) {
if (overlayID === sittableID && pointerEvent.isLeftButton) {
// Server checks if seat is occupied
// if not occupied will call startSitDown()
Entities.callEntityServerMethod(
entityID,
"onSitDown",
[MyAvatar.sessionUUID]
);
}
}
var ANIMATION_URL = Script.resolvePath("./resources/animations/sittingIdle.fbx");
var ANIMATION_FPS = 30;
var ANIMATION_FIRST_FRAME = 1;
var ANIMATION_LAST_FRAME = 350;
var UPDATE_INTERVAL_MS = 50;
var updateInterval = false;
function sitAndPinAvatar() {
MyAvatar.characterControllerEnabled = false;
MyAvatar.hmdLeanRecenterEnabled = false;
var roles = rolesToOverride();
for (i in roles) { // restore roles to prevent overlap
MyAvatar.restoreRoleAnimation(roles[i]);
MyAvatar.overrideRoleAnimation(roles[i], ANIMATION_URL, ANIMATION_FPS, true,
ANIMATION_FIRST_FRAME, ANIMATION_LAST_FRAME);
}
for (var i in OVERRIDDEN_DRIVE_KEYS) {
MyAvatar.disableDriveKey(OVERRIDDEN_DRIVE_KEYS[i]);
}
MyAvatar.centerBody();
var index = MyAvatar.getJointIndex("Hips");
Script.setTimeout(function () {
if (HMD.active && SHOW_PRESIT_IMAGE_IN_HMD) {
preSitRemove();
}
sittingDown = true;
canStand = true;
sitDownSettlePeriod = Date.now() + SIT_SETTLE_TIME_MS;
MyAvatar.pinJoint(index, seatCenterPosition, chairProperties.rotation);
if (updateInterval) {
stopUpdateInterval();
}
updateInterval = Script.setInterval(update, UPDATE_INTERVAL_MS);
MyAvatar.scaleChanged.connect(standUp);
MyAvatar.onLoadComplete.connect(standUp);
location.hostChanged.connect(standUp);
Script.scriptEnding.connect(standUp);
}, SIT_DELAY_MS);
}
function stopUpdateInterval() {
if (updateInterval) {
Script.clearInterval(updateInterval);
updateInterval = false;
}
}
function sitDown() {
// Remove sittable overlay from chair
sittableRemove();
// Set isSitting value in Settings
Settings.setValue(SETTING_KEY_AVATAR_SITTING, entityID);
// Set the value of head to hips distance
// If avatar deviates outside of the minimum and maximum, the avatar will pop out of the chair
setHeadToHipsDistance();
// Chair does not move when the avatar is about to sit
lockChairOnStandUp = Entities.getEntityProperties(entityID, 'locked').locked;
Entities.editEntity(entityID, { locked: true });
// Get the place where
calculatePinHipPosition();
Script.setTimeout(function () {
// In HMD mode show presit overlay
if (HMD.active && SHOW_PRESIT_IMAGE_IN_HMD) {
preSitCreate();
Script.setTimeout(function () {
sitAndPinAvatar();
preSitEndUpdateInterval();
}, OVERLAY_PRESIT_FRAME_DURATION * overlayPreSitLoaded.length);
} else {
// No presit overlay in desktop mode
sitAndPinAvatar();
}
}, SIT_DELAY_MS);
}
// Checks for Avatar Spine Error
function setHeadToHipsDistance() {
// get hips world pos while sitting
if ((MyAvatar.getJointIndex("Head") === NEG_ONE) || (MyAvatar.getJointIndex("Hips") === NEG_ONE)) {
// this can probably be adjusted to be more accurate
headToHipsDistance = MyAvatar.getHeight() * HALF;
} else {
var headIndex = MyAvatar.getJointIndex("Head");
var hipsIndex = MyAvatar.getJointIndex("Hips");
var headTranslation = MyAvatar.getAbsoluteDefaultJointTranslationInObjectFrame(headIndex);
var hipsTranslation = MyAvatar.getAbsoluteDefaultJointTranslationInObjectFrame(hipsIndex);
headToHipsDistance = Math.abs(headTranslation.y - hipsTranslation.y);
}
}
// Calculates where the avatar's hips will seat
function calculatePinHipPosition() {
if (!chairProperties) {
setChairProperties();
}
// get chairProperties to calculate middle of chair
seatCenterPosition = chairProperties.position;
var yOffset = chairProperties.dimensions.y * CHAIR_OFFSET_RATIO;
seatCenterPosition = {
x: chairProperties.position.x,
y: chairProperties.position.y + yOffset,
z: chairProperties.position.z
};
}
var STANDUP_DISTANCE_M = 0.5; // m
var CHAIR_DISMOUNT_OFFSET_M = -0.5; // m in front of chair
function standUp() {
var avatarDistance = Vec3.distance(MyAvatar.position, seatCenterPosition);
Script.setTimeout(function () {
// Move avatar in front of the chair to avoid getting stuck in collision hulls
if (avatarDistance < STANDUP_DISTANCE_M) {
var index = MyAvatar.getJointIndex("Hips");
MyAvatar.clearPinOnJoint(index);
var offset = {
x: 0,
y: 1.0,
z: CHAIR_DISMOUNT_OFFSET_M - chairProperties.dimensions.z * chairProperties.registrationPoint.z
};
var position = Vec3.sum(chairProperties.position, Vec3.multiplyQbyV(chairProperties.rotation, offset));
MyAvatar.position = position;
}
}, SIT_DELAY_MS);
if (!lockChairOnStandUp) {
Entities.editEntity(entityID, { locked: false });
}
driveKeyPressedStart = null;
canStand = false;
sitDownSettlePeriod = null;
sittingDown = false;
standUpRemove();
Entities.callEntityServerMethod(entityID, "onStandUp");
if (Settings.getValue(SETTING_KEY_AVATAR_SITTING) === entityID) {
// Check if avatar is getting out of this chair
Settings.setValue(SETTING_KEY_AVATAR_SITTING, "");
for (var i in OVERRIDDEN_DRIVE_KEYS) {
MyAvatar.enableDriveKey(OVERRIDDEN_DRIVE_KEYS[i]);
}
var roles = rolesToOverride();
for (i in roles) {
MyAvatar.restoreRoleAnimation(roles[i]);
}
MyAvatar.characterControllerEnabled = true;
MyAvatar.hmdLeanRecenterEnabled = true;
Script.setTimeout(function () {
MyAvatar.centerBody();
}, STANDUP_DELAY_MS);
} else {
// Avatar switched to another chair, do not reapply the animation roles
}
stopUpdateInterval();
MyAvatar.scaleChanged.disconnect(standUp);
MyAvatar.onLoadComplete.disconnect(standUp);
location.hostChanged.disconnect(standUp);
Script.scriptEnding.disconnect(standUp);
}
// #endregion SIT ACTIONS
// #region UPDATE
var DISTANCE_FROM_CHAIR_TO_STAND_AT_M = 0.5;
var MAX_HEAD_DEVIATION_RATIO = 1.2;
var MIN_HEAD_DEVIATION_RATIO = 0.8;
var DRIVE_KEY_RELEASE_TIME_MS = 800; // ms
var sitDownSettlePeriod = null;
var driveKeyPressedStart = null;
var deviationTimeStart = null;
var headToHipsDistance = null;
function update() {
var hasAvatarSpineError = false;
var hasHeldDriveKey = false;
var hasAvatarMovedTooFar = false;
if (sittingDown === true && canStand) {
sittableRemove();
var now = Date.now();
// ACTIVE DRIVE KEY
// Check if a drive key is pressed
var hasActiveDriveKey = false;
for (var i in OVERRIDDEN_DRIVE_KEYS) {
if (MyAvatar.getRawDriveKey(OVERRIDDEN_DRIVE_KEYS[i]) !== 0.0) {
hasActiveDriveKey = true;
if (driveKeyPressedStart === null) {
driveKeyPressedStart = now;
}
if (overlayStandUp === null) {
standUpCreate();
}
break;
}
}
// Only standup if user has been pushing a drive key for DRIVE_KEY_RELEASE_TIME_MS
if (hasActiveDriveKey) {
if (driveKeyPressedStart !== null) {
var elapsed = now - driveKeyPressedStart;
hasHeldDriveKey = elapsed > DRIVE_KEY_RELEASE_TIME_MS;
}
} else {
if (overlayStandUp) {
driveKeyPressedStart = null;
standUpRemove();
}
}
// AVATAR DISTANCE
var avatarDistance = Vec3.distance(MyAvatar.position, seatCenterPosition);
if (avatarDistance > DISTANCE_FROM_CHAIR_TO_STAND_AT_M && sitDownSettlePeriod && now > sitDownSettlePeriod) {
hasAvatarMovedTooFar = true;
}
// AVATAR SPINE ERROR
if (HMD.active) {
var headWorldPosition;
// If head is more than certain distance from hips or less than certain distance, stand up
var headPoseValue = Controller.getPoseValue(Controller.Standard.Head);
headWorldPosition = Vec3.sum(Vec3.multiplyQbyV(MyAvatar.orientation, headPoseValue.translation),
MyAvatar.position);
var headDeviation = Vec3.distance(headWorldPosition, seatCenterPosition);
var headDeviationRatio = headDeviation / headToHipsDistance;
if ((headDeviationRatio > MAX_HEAD_DEVIATION_RATIO || headDeviationRatio < MIN_HEAD_DEVIATION_RATIO)
&& sitDownSettlePeriod && now > sitDownSettlePeriod) {
if (deviationTimeStart === null) {
deviationTimeStart = now;
}
var deviationTimeToStand = 1000;
if (now - deviationTimeStart > deviationTimeToStand) {
hasAvatarSpineError = true;
deviationTimeStart = null;
}
}
}
if (SITTING_DEBUG) {
print("update standup conditionals: ", hasAvatarSpineError, hasHeldDriveKey, hasAvatarMovedTooFar);
}
if (hasAvatarSpineError || hasHeldDriveKey || hasAvatarMovedTooFar) {
standUp();
}
}
}
// #endregion UPDATE
// #region ENTITY METHODS
var ENCOUNTERED_CHAIR_CHECK_INTERVAL_MS = 500;
var entityID = null;
var intervalEncounteredChairCheck = null;
function SitClient() {
// blank
}
SitClient.prototype = {
remotelyCallable: [
"startSitDown",
"check"
],
preload: function (id) {
entityID = id;
AnimationCache.prefetch(ANIMATION_URL);
prefetchPresitOverlayImages();
setChairProperties();
calculatePinHipPosition();
// Set if chair alpha value is small enough to enable the create mode overlay
checkAlpha = chairProperties.alpha <= MINIMUM_ALPHA;
Entities.mouseReleaseOnEntity.connect(mouseReleaseOnSittableLocalEntity);
// Check if we've encountered a chair
intervalEncounteredChairCheck = Script.setInterval(function () {
// Show or remove sittable local entity
// Show sittable local entity when I'm close to the seat
if (isInEditMode() || !canSit() || overlayPreSit) {
sittableRemove();
} else if (canSit() && !sittableID && !overlayPreSit && shouldShowSittable()) {
// Make a sittable local entity if there isn't one
sittableCreate();
}
// if in create mode and the cube is invisible,
// draw a visible cube to show where the sit cube is
checkOrCreateCreateModeOverlay();
}, ENCOUNTERED_CHAIR_CHECK_INTERVAL_MS);
},
// Called by entity server script
// To ensure only 1 avatar sits in chair at a time
startSitDown: function (id, param) {
sitDown();
},
// Called by entity server script to ensure client is still sitting in chair
// If client does not call "checkResolved" the entity server script will allow other avatars to sit
check: function () {
Entities.callEntityServerMethod(entityID, "checkResolved");
},
unload: function () {
if (Settings.getValue(SETTING_KEY_AVATAR_SITTING) === entityID) {
standUp();
}
Entities.callEntityServerMethod(entityID, "onStandUp");
if (intervalSittableTransparency) {
Script.clearInterval(intervalSittableTransparency);
intervalSittableTransparency = null;
}
if (intervalEncounteredChairCheck) {
Script.clearInterval(intervalEncounteredChairCheck);
intervalEncounteredChairCheck = null;
}
stopUpdateInterval();
sittableRemove();
preSitRemove();
standUpRemove();
if (sittingDown) {
MyAvatar.scaleChanged.disconnect(standUp);
MyAvatar.onLoadComplete.disconnect(standUp);
location.hostChanged.disconnect(standUp);
Script.scriptEnding.disconnect(standUp);
}
if (createModeOverlay) {
Overlays.deleteOverlay(createModeOverlay);
}
Entities.mouseReleaseOnEntity.disconnect(mouseReleaseOnSittableLocalEntity);
}
};
// #endregion ENTITY METHODS
return new SitClient();
});