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https://github.com/JulianGro/overte.git
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324 lines
13 KiB
JavaScript
324 lines
13 KiB
JavaScript
"use strict";
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// controllerDispatcher.js
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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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/*jslint bitwise: true */
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/* global Script, Entities, Overlays, Controller, Vec3, Quat, getControllerWorldLocation, RayPick,
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controllerDispatcherPlugins, controllerDispatcherPluginsNeedSort, entityIsGrabbable,
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LEFT_HAND, RIGHT_HAND, NEAR_GRAB_PICK_RADIUS, DEFAULT_SEARCH_SPHERE_DISTANCE, DISPATCHER_PROPERTIES
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*/
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controllerDispatcherPlugins = {};
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controllerDispatcherPluginsNeedSort = false;
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Script.include("/~/system/libraries/utils.js");
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Script.include("/~/system/libraries/controllers.js");
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Script.include("/~/system/controllers/controllerDispatcherUtils.js");
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(function() {
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var _this = this;
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var NEAR_MIN_RADIUS = 0.1;
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var NEAR_MAX_RADIUS = 1.0;
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var TARGET_UPDATE_HZ = 60; // 50hz good enough, but we're using update
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var BASIC_TIMER_INTERVAL_MS = 1000 / TARGET_UPDATE_HZ;
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var lastInterval = Date.now();
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var intervalCount = 0;
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var totalDelta = 0;
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var totalVariance = 0;
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var highVarianceCount = 0;
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var veryhighVarianceCount = 0;
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// a module can occupy one or more "activity" slots while it's running. If all the required slots for a module are
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// not set to false (not in use), a module cannot start. When a module is using a slot, that module's name
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// is stored as the value, rather than false.
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this.activitySlots = {
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leftHand: false,
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rightHand: false
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};
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this.slotsAreAvailableForPlugin = function (plugin) {
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for (var i = 0; i < plugin.parameters.activitySlots.length; i++) {
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if (_this.activitySlots[plugin.parameters.activitySlots[i]]) {
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return false; // something is already using a slot which _this plugin requires
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}
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}
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return true;
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};
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this.markSlots = function (plugin, used) {
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for (var i = 0; i < plugin.parameters.activitySlots.length; i++) {
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_this.activitySlots[plugin.parameters.activitySlots[i]] = used;
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}
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};
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this.unmarkSlotsForPluginName = function (runningPluginName) {
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// this is used to free activity-slots when a plugin is deactivated while it's running.
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for (var activitySlot in _this.activitySlots) {
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if (activitySlot.hasOwnProperty(activitySlot) && _this.activitySlots[activitySlot] == runningPluginName) {
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_this.activitySlots[activitySlot] = false;
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}
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}
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};
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this.runningPluginNames = {};
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this.leftTriggerValue = 0;
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this.leftTriggerClicked = 0;
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this.rightTriggerValue = 0;
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this.rightTriggerClicked = 0;
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this.leftSecondaryValue = 0;
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this.rightSecondaryValue = 0;
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this.leftTriggerPress = function (value) {
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_this.leftTriggerValue = value;
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};
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this.leftTriggerClick = function (value) {
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_this.leftTriggerClicked = value;
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};
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this.rightTriggerPress = function (value) {
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_this.rightTriggerValue = value;
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};
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this.rightTriggerClick = function (value) {
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_this.rightTriggerClicked = value;
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};
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this.leftSecondaryPress = function (value) {
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_this.leftSecondaryValue = value;
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};
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this.rightSecondaryPress = function (value) {
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_this.rightSecondaryValue = value;
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};
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this.dataGatherers = {};
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this.dataGatherers.leftControllerLocation = function () {
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return getControllerWorldLocation(Controller.Standard.LeftHand, true);
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};
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this.dataGatherers.rightControllerLocation = function () {
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return getControllerWorldLocation(Controller.Standard.RightHand, true);
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};
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this.updateTimings = function () {
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intervalCount++;
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var thisInterval = Date.now();
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var deltaTimeMsec = thisInterval - lastInterval;
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var deltaTime = deltaTimeMsec / 1000;
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lastInterval = thisInterval;
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totalDelta += deltaTimeMsec;
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var variance = Math.abs(deltaTimeMsec - BASIC_TIMER_INTERVAL_MS);
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totalVariance += variance;
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if (variance > 1) {
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highVarianceCount++;
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}
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if (variance > 5) {
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veryhighVarianceCount++;
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}
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return deltaTime;
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};
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this.update = function () {
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var deltaTime = this.updateTimings();
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if (controllerDispatcherPluginsNeedSort) {
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this.orderedPluginNames = [];
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for (var pluginName in controllerDispatcherPlugins) {
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if (controllerDispatcherPlugins.hasOwnProperty(pluginName)) {
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this.orderedPluginNames.push(pluginName);
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}
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}
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this.orderedPluginNames.sort(function (a, b) {
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return controllerDispatcherPlugins[a].parameters.priority -
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controllerDispatcherPlugins[b].parameters.priority;
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});
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// print("controllerDispatcher -- new plugin order: " + JSON.stringify(this.orderedPluginNames));
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var output = "controllerDispatcher -- new plugin order: ";
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for (var k = 0; k < this.orderedPluginNames.length; k++) {
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var dbgPluginName = this.orderedPluginNames[k];
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var priority = controllerDispatcherPlugins[dbgPluginName].parameters.priority;
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output += dbgPluginName + ":" + priority;
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if (k + 1 < this.orderedPluginNames.length) {
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output += ", ";
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}
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}
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print(output);
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controllerDispatcherPluginsNeedSort = false;
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}
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var controllerLocations = [_this.dataGatherers.leftControllerLocation(),
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_this.dataGatherers.rightControllerLocation()];
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// find 3d overlays near each hand
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var nearbyOverlayIDs = [];
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var h;
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for (h = LEFT_HAND; h <= RIGHT_HAND; h++) {
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// todo: check controllerLocations[h].valid
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var nearbyOverlays = Overlays.findOverlays(controllerLocations[h].position, NEAR_MAX_RADIUS);
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nearbyOverlays.sort(function (a, b) {
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var aPosition = Overlays.getProperty(a, "position");
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var aDistance = Vec3.distance(aPosition, controllerLocations[h].position);
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var bPosition = Overlays.getProperty(b, "position");
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var bDistance = Vec3.distance(bPosition, controllerLocations[h].position);
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return aDistance - bDistance;
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});
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nearbyOverlayIDs.push(nearbyOverlays);
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}
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// find entities near each hand
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var nearbyEntityProperties = [[], []];
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var nearbyEntityPropertiesByID = {};
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for (h = LEFT_HAND; h <= RIGHT_HAND; h++) {
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// todo: check controllerLocations[h].valid
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var controllerPosition = controllerLocations[h].position;
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var nearbyEntityIDs = Entities.findEntities(controllerPosition, NEAR_MAX_RADIUS);
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for (var j = 0; j < nearbyEntityIDs.length; j++) {
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var entityID = nearbyEntityIDs[j];
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var props = Entities.getEntityProperties(entityID, DISPATCHER_PROPERTIES);
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props.id = entityID;
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nearbyEntityPropertiesByID[entityID] = props;
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nearbyEntityProperties[h].push(props);
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}
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}
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// raypick for each controller
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var rayPicks = [
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RayPick.getPrevRayPickResult(_this.leftControllerRayPick),
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RayPick.getPrevRayPickResult(_this.rightControllerRayPick)
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];
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// if the pickray hit something very nearby, put it into the nearby entities list
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for (h = LEFT_HAND; h <= RIGHT_HAND; h++) {
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// XXX find a way to extract searchRay from samuel's stuff
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rayPicks[h].searchRay = {
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origin: controllerLocations[h].position,
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direction: Quat.getUp(controllerLocations[h].orientation),
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length: 1000
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};
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if (rayPicks[h].type == RayPick.INTERSECTED_ENTITY) {
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// XXX check to make sure this one isn't already in nearbyEntityProperties?
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if (rayPicks[h].distance < NEAR_GRAB_PICK_RADIUS) {
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var nearEntityID = rayPicks[h].objectID;
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var nearbyProps = Entities.getEntityProperties(nearEntityID, DISPATCHER_PROPERTIES);
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nearbyProps.id = nearEntityID;
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nearbyEntityPropertiesByID[nearEntityID] = nearbyProps;
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nearbyEntityProperties[h].push(nearbyProps);
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}
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}
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// sort by distance from each hand
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nearbyEntityProperties[h].sort(function (a, b) {
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var aDistance = Vec3.distance(a.position, controllerLocations[h].position);
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var bDistance = Vec3.distance(b.position, controllerLocations[h].position);
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return aDistance - bDistance;
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});
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}
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// bundle up all the data about the current situation
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var controllerData = {
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triggerValues: [_this.leftTriggerValue, _this.rightTriggerValue],
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triggerClicks: [_this.leftTriggerClicked, _this.rightTriggerClicked],
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secondaryValues: [_this.leftSecondaryValue, _this.rightSecondaryValue],
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controllerLocations: controllerLocations,
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nearbyEntityProperties: nearbyEntityProperties,
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nearbyEntityPropertiesByID: nearbyEntityPropertiesByID,
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nearbyOverlayIDs: nearbyOverlayIDs,
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rayPicks: rayPicks
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};
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// check for plugins that would like to start. ask in order of increasing priority value
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for (var pluginIndex = 0; pluginIndex < this.orderedPluginNames.length; pluginIndex++) {
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var orderedPluginName = this.orderedPluginNames[pluginIndex];
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var candidatePlugin = controllerDispatcherPlugins[orderedPluginName];
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if (_this.slotsAreAvailableForPlugin(candidatePlugin)) {
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var readiness = candidatePlugin.isReady(controllerData, deltaTime);
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if (readiness.active) {
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// this plugin will start. add it to the list of running plugins and mark the
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// activity-slots which this plugin consumes as "in use"
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_this.runningPluginNames[orderedPluginName] = true;
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_this.markSlots(candidatePlugin, orderedPluginName);
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}
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}
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}
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// print("QQQ running plugins: " + JSON.stringify(_this.runningPluginNames));
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// give time to running plugins
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for (var runningPluginName in _this.runningPluginNames) {
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if (_this.runningPluginNames.hasOwnProperty(runningPluginName)) {
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var plugin = controllerDispatcherPlugins[runningPluginName];
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if (!plugin) {
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// plugin was deactivated while running. find the activity-slots it was using and make
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// them available.
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delete _this.runningPluginNames[runningPluginName];
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_this.unmarkSlotsForPluginName(runningPluginName);
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} else {
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var runningness = plugin.run(controllerData, deltaTime);
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if (!runningness.active) {
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// plugin is finished running, for now. remove it from the list
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// of running plugins and mark its activity-slots as "not in use"
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delete _this.runningPluginNames[runningPluginName];
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_this.markSlots(plugin, false);
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}
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}
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}
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}
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};
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var MAPPING_NAME = "com.highfidelity.controllerDispatcher";
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var mapping = Controller.newMapping(MAPPING_NAME);
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mapping.from([Controller.Standard.RT]).peek().to(_this.rightTriggerPress);
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mapping.from([Controller.Standard.RTClick]).peek().to(_this.rightTriggerClick);
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mapping.from([Controller.Standard.LT]).peek().to(_this.leftTriggerPress);
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mapping.from([Controller.Standard.LTClick]).peek().to(_this.leftTriggerClick);
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mapping.from([Controller.Standard.RB]).peek().to(_this.rightSecondaryPress);
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mapping.from([Controller.Standard.LB]).peek().to(_this.leftSecondaryPress);
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mapping.from([Controller.Standard.LeftGrip]).peek().to(_this.leftSecondaryPress);
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mapping.from([Controller.Standard.RightGrip]).peek().to(_this.rightSecondaryPress);
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Controller.enableMapping(MAPPING_NAME);
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this.mouseRayPick = RayPick.createRayPick({
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joint: "Mouse",
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filter: RayPick.PICK_ENTITIES | RayPick.PICK_OVERLAYS,
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enabled: true
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});
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this.leftControllerRayPick = RayPick.createRayPick({
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joint: "_CONTROLLER_LEFTHAND",
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filter: RayPick.PICK_ENTITIES | RayPick.PICK_OVERLAYS,
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enabled: true,
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maxDistance: DEFAULT_SEARCH_SPHERE_DISTANCE
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});
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this.rightControllerRayPick = RayPick.createRayPick({
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joint: "_CONTROLLER_RIGHTHAND",
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filter: RayPick.PICK_ENTITIES | RayPick.PICK_OVERLAYS,
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enabled: true,
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maxDistance: DEFAULT_SEARCH_SPHERE_DISTANCE
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});
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this.cleanup = function () {
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Script.update.disconnect(_this.update);
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Controller.disableMapping(MAPPING_NAME);
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// RayPick.removeRayPick(_this.mouseRayPick);
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RayPick.removeRayPick(_this.leftControllerRayPick);
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RayPick.removeRayPick(_this.rightControllerRayPick);
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};
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Script.scriptEnding.connect(this.cleanup);
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Script.update.connect(this.update);
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}());
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