mirror of
https://github.com/overte-org/overte.git
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Improve JavaScript abstraction layer for overlays.
Also move it to it's own file.
This commit is contained in:
Zander Otavka
parent
bc5ef8eb11
commit
ba190b4b34
2 changed files with 459 additions and 251 deletions
451
examples/libraries/overlayManager.js
Normal file
451
examples/libraries/overlayManager.js
Normal file
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@ -0,0 +1,451 @@
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//
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// overlayManager.js
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// examples/libraries
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//
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// Created by Zander Otavka on 7/24/15
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// Copyright 2015 High Fidelity, Inc.
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//
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// Manage overlays with object oriented goodness, instead of ugly `Overlays.h` methods.
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// Instead of:
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//
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// var billboard = Overlays.addOverlay("billboard", { visible: false });
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// ...
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// Overlays.editOverlay(billboard, { visible: true });
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// ...
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// Overlays.deleteOverlay(billboard);
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//
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// You can now do:
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//
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// var billboard = new BillboardOverlay({ visible: false });
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// ...
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// billboard.visible = true;
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// ...
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// billboard.destroy();
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//
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// See more on usage below.
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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//
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(function() {
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// Delete `Overlays` from the global scope.
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var Overlays = this.Overlays;
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delete this.Overlays;
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var overlays = {};
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var panels = {};
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var overlayTypes;
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var Overlay, Overlay2D, Base3DOverlay, Planar3DOverlay, Volume3DOverlay;
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//
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// Create a new JavaScript object for an overlay of given ID.
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//
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function makeOverlayFromId(id) {
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var type = Overlays.getOverlayType(id);
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if (!type) {
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return null;
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}
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var overlay = new overlayTypes[type]();
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overlay._id = id;
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var panelID = Overlays.getAttachedPanel(id)
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if (panelID && panelID in panels) {
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panels[panelID].addChild(overlay);
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}
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overlays[id] = overlay;
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return overlay;
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}
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//
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// Get or create an overlay object from the id.
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//
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// @param knownOverlaysOnly (Optional: Boolean)
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// If true, a new object will not be created.
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// @param searchList (Optional: Object)
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// Map of overlay id's and overlay objects. Can be generated with
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// `OverlayManager.makeSearchList`.
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//
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function findOverlay(id, knownOverlaysOnly, searchList) {
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if (id > 0) {
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knownOverlaysOnly = Boolean(knownOverlaysOnly) || Boolean(searchList);
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searchList = searchList || overlays;
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var foundOverlay = searchList[id];
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if (foundOverlay) {
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return foundOverlay;
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}
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if (!knownOverlaysOnly) {
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return makeOverlayFromId(id);
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}
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}
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return null;
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}
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//
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// Perform global scoped operations on overlays, such as finding by ray intersection.
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//
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OverlayManager = {
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findOnRay: function(pickRay, knownOverlaysOnly, searchList) {
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var rayPickResult = Overlays.findRayIntersection(pickRay);
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print("raypick " + rayPickResult.overlayID);
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if (rayPickResult.intersects) {
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return findOverlay(rayPickResult.overlayID, knownOverlaysOnly, searchList);
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}
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return null;
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},
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findAtPoint: function(point, knownOverlaysOnly, searchList) {
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var foundID = Overlays.getOverlayAtPoint(point);
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print("at point " + foundID);
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if (foundID) {
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return findOverlay(foundID, knownOverlaysOnly, searchList);
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} else {
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var pickRay = Camera.computePickRay(point.x, point.y);
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return OverlayManager.findOnRay(pickRay, knownOverlaysOnly, searchList);
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}
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},
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makeSearchList: function(overlayArray) {
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var searchList = {};
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overlayArray.forEach(function(overlay){
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searchList[overlay._id] = overlay;
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});
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return searchList;
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}
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};
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//
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// Object oriented abstraction layer for overlays.
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//
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// Usage:
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// // Create an overlay
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// var billboard = new BillboardOverlay({
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// visible: true,
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// isFacingAvatar: true,
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// ignoreRayIntersections: false
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// });
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//
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// // Get a property
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// var isVisible = billboard.visible;
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//
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// // Set a single property
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// billboard.position = { x: 1, y: 3, z: 2 };
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//
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// // Set multiple properties at the same time
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// billboard.setProperties({
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// url: "http://images.com/overlayImage.jpg",
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// dimensions: { x: 2, y: 2 }
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// });
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//
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// // Clone an overlay
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// var clonedBillboard = billboard.clone();
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//
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// // Remove an overlay from the world
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// billboard.destroy();
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//
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// // Remember, there is a poor orphaned JavaScript object left behind. You should
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// // remove any references to it so you don't accidentally try to modify an overlay that
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// // isn't there.
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// billboard = undefined;
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//
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(function() {
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var ABSTRACT = null;
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overlayTypes = {};
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function generateOverlayClass(superclass, type, properties) {
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var that;
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if (type == ABSTRACT) {
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that = function(type, params) {
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superclass.call(this, type, params);
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};
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} else {
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that = function(params) {
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superclass.call(this, type, params);
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};
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overlayTypes[type] = that;
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}
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that.prototype = new superclass();
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that.prototype.constructor = that;
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properties.forEach(function(prop) {
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Object.defineProperty(that.prototype, prop, {
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get: function() {
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return Overlays.getProperty(this._id, prop);
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},
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set: function(newValue) {
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var keyValuePair = {};
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keyValuePair[prop] = newValue;
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this.setProperties(keyValuePair);
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},
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configurable: false
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});
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});
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return that;
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}
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// Supports multiple inheritance of properties. Just `concat` them onto the end of the
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// properties list.
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var PANEL_ATTACHABLE_FIELDS = ["offsetPosition", "facingRotation"];
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Overlay = (function() {
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var that = function(type, params) {
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if (type && params) {
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this._id = Overlays.addOverlay(type, params);
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overlays[this._id] = this;
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} else {
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this._id = 0;
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}
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this._attachedPanelPointer = null;
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};
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that.prototype.constructor = that;
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Object.defineProperty(that.prototype, "isLoaded", {
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get: function() {
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return Overlays.isLoaded(this._id);
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}
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});
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Object.defineProperty(that.prototype, "attachedPanel", {
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get: function() {
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return this._attachedPanelPointer;
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}
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});
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that.prototype.getTextSize = function(text) {
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return Overlays.textSize(this._id, text);
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};
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that.prototype.setProperties = function(properties) {
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Overlays.editOverlay(this._id, properties);
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};
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that.prototype.clone = function() {
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return makeOverlayFromId(Overlays.cloneOverlay(this._id));
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};
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that.prototype.destroy = function() {
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Overlays.deleteOverlay(this._id);
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};
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return generateOverlayClass(that, ABSTRACT, [
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"alpha", "glowLevel", "pulseMax", "pulseMin", "pulsePeriod", "glowLevelPulse",
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"alphaPulse", "colorPulse", "visible", "anchor"
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]);
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})();
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Overlay2D = generateOverlayClass(Overlay, ABSTRACT, [
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"bounds", "x", "y", "width", "height"
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]);
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Base3DOverlay = generateOverlayClass(Overlay, ABSTRACT, [
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"position", "lineWidth", "rotation", "isSolid", "isFilled", "isWire", "isDashedLine",
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"ignoreRayIntersection", "drawInFront", "drawOnHUD"
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]);
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Planar3DOverlay = generateOverlayClass(Base3DOverlay, ABSTRACT, [
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"dimensions"
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]);
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Volume3DOverlay = generateOverlayClass(Base3DOverlay, ABSTRACT, [
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"dimensions"
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]);
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generateOverlayClass(Overlay2D, "image", [
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"subImage", "imageURL"
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]);
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generateOverlayClass(Overlay2D, "text", [
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"font", "text", "backgroundColor", "backgroundAlpha", "leftMargin", "topMargin"
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]);
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generateOverlayClass(Planar3DOverlay, "text3d", [
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"text", "backgroundColor", "backgroundAlpha", "lineHeight", "leftMargin", "topMargin",
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"rightMargin", "bottomMargin", "isFacingAvatar"
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]);
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generateOverlayClass(Volume3DOverlay, "cube", [
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"borderSize"
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]);
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generateOverlayClass(Volume3DOverlay, "sphere", [
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]);
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generateOverlayClass(Planar3DOverlay, "circle3d", [
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"startAt", "endAt", "outerRadius", "innerRadius", "hasTickMarks",
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"majorTickMarksAngle", "minorTickMarksAngle", "majorTickMarksLength",
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"minorTickMarksLength", "majorTickMarksColor", "minorTickMarksColor"
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]);
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generateOverlayClass(Planar3DOverlay, "rectangle3d", [
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]);
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generateOverlayClass(Base3DOverlay, "line3d", [
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"start", "end"
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]);
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generateOverlayClass(Planar3DOverlay, "grid", [
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"minorGridWidth", "majorGridEvery"
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]);
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generateOverlayClass(Volume3DOverlay, "localmodels", [
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]);
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generateOverlayClass(Volume3DOverlay, "model", [
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"url", "dimensions", "textures"
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]);
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generateOverlayClass(Planar3DOverlay, "billboard", [
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"url", "subImage", "isFacingAvatar"
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].concat(PANEL_ATTACHABLE_FIELDS));
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})();
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ImageOverlay = overlayTypes["image"];
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TextOverlay = overlayTypes["text"];
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Text3DOverlay = overlayTypes["text3d"];
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Cube3DOverlay = overlayTypes["cube"];
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Sphere3DOverlay = overlayTypes["sphere"];
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Circle3DOverlay = overlayTypes["circle3d"];
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Rectangle3DOverlay = overlayTypes["rectangle3d"];
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Line3DOverlay = overlayTypes["line3d"];
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Grid3DOverlay = overlayTypes["grid"];
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LocalModelsOverlay = overlayTypes["localmodels"];
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ModelOverlay = overlayTypes["model"];
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BillboardOverlay = overlayTypes["billboard"];
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//
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// Object oriented abstraction layer for panels.
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//
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FloatingUIPanel = (function() {
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var that = function(params) {
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this._id = Overlays.addPanel(params);
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this._children = [];
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this._visible = Boolean(params.visible);
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panels[this._id] = this;
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this._attachedPanelPointer = null;
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};
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that.prototype.constructor = that;
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var FIELDS = ["offsetPosition", "offsetRotation", "facingRotation"];
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FIELDS.forEach(function(prop) {
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Object.defineProperty(that.prototype, prop, {
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get: function() {
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return Overlays.getPanelProperty(this._id, prop);
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},
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set: function(newValue) {
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var keyValuePair = {};
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keyValuePair[prop] = newValue;
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this.setProperties(keyValuePair);
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},
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configurable: false
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});
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});
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var PSEUDO_FIELDS = [];
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PSEUDO_FIELDS.push("children");
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Object.defineProperty(that.prototype, "children", {
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get: function() {
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return this._children.slice();
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}
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});
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PSEUDO_FIELDS.push("visible");
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Object.defineProperty(that.prototype, "visible", {
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get: function() {
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return this._visible;
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},
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set: function(visible) {
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this._visible = visible;
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this._children.forEach(function(child) {
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child.visible = visible;
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});
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}
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});
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that.prototype.addChild = function(child) {
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if (child instanceof Overlay) {
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Overlays.setAttachedPanel(child._id, this._id);
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} else if (child instanceof FloatingUIPanel) {
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child.setProperties({
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anchorPosition: {
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bind: "panel",
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value: this._id
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},
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offsetRotation: {
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bind: "panel",
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value: this._id
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}
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});
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}
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child._attachedPanelPointer = this;
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child.visible = this.visible;
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this._children.push(child);
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return child;
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};
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that.prototype.removeChild = function(child) {
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var i = this._children.indexOf(child);
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if (i >= 0) {
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if (child instanceof Overlay) {
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Overlays.setAttachedPanel(child._id, 0);
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} else if (child instanceof FloatingUIPanel) {
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child.setProperties({
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anchorPosition: {
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bind: "myAvatar"
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},
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offsetRotation: {
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bind: "myAvatar"
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}
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});
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}
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child._attachedPanelPointer = null;
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this._children.splice(i, 1);
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}
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};
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that.prototype.setProperties = function(properties) {
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for (var i in PSEUDO_FIELDS) {
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if (properties[PSEUDO_FIELDS[i]] !== undefined) {
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this[PSEUDO_FIELDS[i]] = properties[PSEUDO_FIELDS[i]];
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}
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}
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Overlays.editPanel(this._id, properties);
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};
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that.prototype.destroy = function() {
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Overlays.deletePanel(this._id);
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};
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return that;
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})();
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function onOverlayDeleted(id) {
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if (id in overlays) {
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if (overlays[id]._attachedPanelPointer) {
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overlays[id]._attachedPanelPointer.removeChild(overlays[id]);
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}
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delete overlays[id];
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}
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}
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function onPanelDeleted(id) {
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if (id in panels) {
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panels[id]._children.forEach(function(child) {
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print(JSON.stringify(child.destroy));
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child.destroy();
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});
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delete panels[id];
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}
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}
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Overlays.overlayDeleted.connect(onOverlayDeleted);
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Overlays.panelDeleted.connect(onPanelDeleted);
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})();
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@ -2,39 +2,16 @@
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// overlayUtils.js
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// examples/libraries
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//
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// Modified by Zander Otavka on 7/15/15
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// Copyright 2014 High Fidelity, Inc.
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//
|
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// Manage overlays with object oriented goodness, instead of ugly `Overlays.h` methods.
|
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// Instead of:
|
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//
|
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// var billboard = Overlays.addOverlay("billboard", { visible: false });
|
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// ...
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// Overlays.editOverlay(billboard, { visible: true });
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// ...
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// Overlays.deleteOverlay(billboard);
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//
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// You can now do:
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//
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// var billboard = new BillboardOverlay({ visible: false });
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// ...
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// billboard.visible = true;
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// ...
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// billboard.destroy();
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//
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// See more on usage below.
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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// Copyright 2015 High Fidelity, Inc.
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//
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/**
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* DEPRECATION WARNING: Will be deprecated soon in favor of FloatingUIPanel.
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*
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* OverlayGroup provides a way to create composite overlays and control their
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* position relative to a settable rootPosition and rootRotation.
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*/
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//
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// DEPRECATION WARNING: Will be deprecated soon in favor of FloatingUIPanel.
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//
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// OverlayGroup provides a way to create composite overlays and control their
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// position relative to a settable rootPosition and rootRotation.
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//
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OverlayGroup = function(opts) {
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var that = {};
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|
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@ -92,226 +69,6 @@ OverlayGroup = function(opts) {
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}
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overlays = {};
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}
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return that;
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};
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/**
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* Object oriented abstraction layer for overlays.
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*
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* Usage:
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* // Create an overlay
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* var billboard = new BillboardOverlay({
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* visible: true,
|
||||
* isFacingAvatar: true,
|
||||
* ignoreRayIntersections: false
|
||||
* });
|
||||
*
|
||||
* // Get a property
|
||||
* var isVisible = billboard.visible;
|
||||
*
|
||||
* // Set a single property
|
||||
* billboard.position = { x: 1, y: 3, z: 2 };
|
||||
*
|
||||
* // Set multiple properties at the same time
|
||||
* billboard.setProperties({
|
||||
* url: "http://images.com/overlayImage.jpg",
|
||||
* dimensions: { x: 2, y: 2 }
|
||||
* });
|
||||
*
|
||||
* // Clone an overlay
|
||||
* var clonedBillboard = billboard.clone();
|
||||
*
|
||||
* // Remove an overlay from the world
|
||||
* billboard.destroy();
|
||||
*
|
||||
* // Remember, there is a poor orphaned JavaScript object left behind. You should remove any
|
||||
* // references to it so you don't accidentally try to modify an overlay that isn't there.
|
||||
* billboard = undefined;
|
||||
*/
|
||||
(function() {
|
||||
var ABSTRACT = null;
|
||||
|
||||
function generateOverlayClass(superclass, type, properties) {
|
||||
var that;
|
||||
if (type == ABSTRACT) {
|
||||
that = function(type, params) {
|
||||
superclass.apply(this, [type, params]);
|
||||
};
|
||||
} else {
|
||||
that = function(params) {
|
||||
superclass.apply(this, [type, params]);
|
||||
};
|
||||
}
|
||||
|
||||
that.prototype = new superclass();
|
||||
that.prototype.constructor = that;
|
||||
|
||||
properties.forEach(function(prop) {
|
||||
Object.defineProperty(that.prototype, prop, {
|
||||
get: function() {
|
||||
return Overlays.getProperty(this._id, prop);
|
||||
},
|
||||
set: function(newValue) {
|
||||
var keyValuePair = {};
|
||||
keyValuePair[prop] = newValue;
|
||||
this.setProperties(keyValuePair);
|
||||
},
|
||||
configurable: true
|
||||
});
|
||||
});
|
||||
|
||||
return that;
|
||||
}
|
||||
|
||||
|
||||
// Supports multiple inheritance of properties. Just `concat` them onto the end of the
|
||||
// properties list.
|
||||
var PANEL_ATTACHABLE_FIELDS = ["attachedPanel"];
|
||||
|
||||
// TODO: finish exposing all overlay classes.
|
||||
|
||||
var Overlay = (function() {
|
||||
var BaseOverlay = (function() {
|
||||
var that = function(type, params) {
|
||||
Object.apply(this, []);
|
||||
if (type && params) {
|
||||
this._type = type;
|
||||
this._id = Overlays.addOverlay(type, params);
|
||||
} else {
|
||||
this._type = "";
|
||||
this._id = 0;
|
||||
}
|
||||
this._attachedPanelPointer = null;
|
||||
};
|
||||
|
||||
that.prototype = new Object();
|
||||
that.prototype.constructor = that;
|
||||
|
||||
Object.defineProperty(that.prototype, "overlayType", {
|
||||
get: function() {
|
||||
return this._type;
|
||||
}
|
||||
});
|
||||
|
||||
that.prototype.setProperties = function(properties) {
|
||||
Overlays.editOverlay(this._id, properties);
|
||||
};
|
||||
|
||||
that.prototype.clone = function() {
|
||||
var clone = new this.constructor();
|
||||
clone._type = this._type;
|
||||
clone._id = Overlays.cloneOverlay(this._id);
|
||||
if (this._attachedPanelPointer) {
|
||||
this._attachedPanelPointer.addChild(clone);
|
||||
}
|
||||
return clone;
|
||||
};
|
||||
|
||||
that.prototype.destroy = function() {
|
||||
Overlays.deleteOverlay(this._id);
|
||||
};
|
||||
|
||||
return that;
|
||||
}());
|
||||
|
||||
return generateOverlayClass(BaseOverlay, ABSTRACT, [
|
||||
"alpha", "glowLevel", "pulseMax", "pulseMin", "pulsePeriod", "glowLevelPulse",
|
||||
"alphaPulse", "colorPulse", "visible", "anchor"
|
||||
]);
|
||||
}());
|
||||
|
||||
var Base3DOverlay = generateOverlayClass(Overlay, ABSTRACT, [
|
||||
"position", "lineWidth", "rotation", "isSolid", "isFilled", "isWire", "isDashedLine",
|
||||
"ignoreRayIntersection", "drawInFront", "drawOnHUD"
|
||||
]);
|
||||
|
||||
var Planar3DOverlay = generateOverlayClass(Base3DOverlay, ABSTRACT, [
|
||||
"dimensions"
|
||||
]);
|
||||
|
||||
BillboardOverlay = generateOverlayClass(Planar3DOverlay, "billboard", [
|
||||
"url", "subImage", "isFacingAvatar", "offsetPosition"
|
||||
].concat(PANEL_ATTACHABLE_FIELDS));
|
||||
}());
|
||||
|
||||
|
||||
/**
|
||||
* Object oriented abstraction layer for panels.
|
||||
*/
|
||||
FloatingUIPanel = (function() {
|
||||
var that = function(params) {
|
||||
this._id = Overlays.addPanel(params);
|
||||
this._children = [];
|
||||
};
|
||||
|
||||
var FIELDS = ["offsetPosition", "offsetRotation", "facingRotation"];
|
||||
FIELDS.forEach(function(prop) {
|
||||
Object.defineProperty(that.prototype, prop, {
|
||||
get: function() {
|
||||
return Overlays.getPanelProperty(this._id, prop);
|
||||
},
|
||||
set: function(newValue) {
|
||||
var keyValuePair = {};
|
||||
keyValuePair[prop] = newValue;
|
||||
this.setProperties(keyValuePair);
|
||||
},
|
||||
configurable: false
|
||||
});
|
||||
});
|
||||
|
||||
Object.defineProperty(that.prototype, "children", {
|
||||
get: function() {
|
||||
return this._children.slice();
|
||||
}
|
||||
})
|
||||
|
||||
that.prototype.addChild = function(overlay) {
|
||||
overlay.attachedPanel = this._id;
|
||||
overlay._attachedPanelPointer = this;
|
||||
this._children.push(overlay);
|
||||
return overlay;
|
||||
};
|
||||
|
||||
that.prototype.removeChild = function(overlay) {
|
||||
var i = this._children.indexOf(overlay);
|
||||
if (i >= 0) {
|
||||
overlay.attachedPanel = 0;
|
||||
overlay._attachedPanelPointer = null;
|
||||
this._children.splice(i, 1);
|
||||
}
|
||||
};
|
||||
|
||||
that.prototype.setVisible = function(visible) {
|
||||
for (var i in this._children) {
|
||||
this._children[i].visible = visible;
|
||||
}
|
||||
};
|
||||
|
||||
that.prototype.setProperties = function(properties) {
|
||||
Overlays.editPanel(this._id, properties);
|
||||
};
|
||||
|
||||
that.prototype.destroy = function() {
|
||||
Overlays.deletePanel(this._id);
|
||||
var i = _panels.indexOf(this);
|
||||
if (i >= 0) {
|
||||
_panels.splice(i, 1);
|
||||
}
|
||||
};
|
||||
|
||||
that.prototype.findRayIntersection = function(pickRay) {
|
||||
var rayPickResult = Overlays.findRayIntersection(pickRay);
|
||||
if (rayPickResult.intersects) {
|
||||
for (var i in this._children) {
|
||||
if (this._children[i]._id == rayPickResult.overlayID) {
|
||||
return this._children[i];
|
||||
}
|
||||
}
|
||||
}
|
||||
return null;
|
||||
};
|
||||
|
||||
return that;
|
||||
}());
|
||||
|
|
|
|||
Loading…
Reference in a new issue