/
GeometryVisualizer.js
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/
GeometryVisualizer.js
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import AssociativeArray from "../Core/AssociativeArray.js";
import BoundingSphere from "../Core/BoundingSphere.js";
import Check from "../Core/Check.js";
import defaultValue from "../Core/defaultValue.js";
import defined from "../Core/defined.js";
import destroyObject from "../Core/destroyObject.js";
import Event from "../Core/Event.js";
import EventHelper from "../Core/EventHelper.js";
import ClassificationType from "../Scene/ClassificationType.js";
import MaterialAppearance from "../Scene/MaterialAppearance.js";
import PerInstanceColorAppearance from "../Scene/PerInstanceColorAppearance.js";
import ShadowMode from "../Scene/ShadowMode.js";
import BoundingSphereState from "./BoundingSphereState.js";
import BoxGeometryUpdater from "./BoxGeometryUpdater.js";
import ColorMaterialProperty from "./ColorMaterialProperty.js";
import CorridorGeometryUpdater from "./CorridorGeometryUpdater.js";
import CylinderGeometryUpdater from "./CylinderGeometryUpdater.js";
import DynamicGeometryBatch from "./DynamicGeometryBatch.js";
import EllipseGeometryUpdater from "./EllipseGeometryUpdater.js";
import EllipsoidGeometryUpdater from "./EllipsoidGeometryUpdater.js";
import Entity from "./Entity.js";
import PlaneGeometryUpdater from "./PlaneGeometryUpdater.js";
import PolygonGeometryUpdater from "./PolygonGeometryUpdater.js";
import PolylineVolumeGeometryUpdater from "./PolylineVolumeGeometryUpdater.js";
import RectangleGeometryUpdater from "./RectangleGeometryUpdater.js";
import StaticGeometryColorBatch from "./StaticGeometryColorBatch.js";
import StaticGeometryPerMaterialBatch from "./StaticGeometryPerMaterialBatch.js";
import StaticGroundGeometryColorBatch from "./StaticGroundGeometryColorBatch.js";
import StaticGroundGeometryPerMaterialBatch from "./StaticGroundGeometryPerMaterialBatch.js";
import StaticOutlineGeometryBatch from "./StaticOutlineGeometryBatch.js";
import WallGeometryUpdater from "./WallGeometryUpdater.js";
var emptyArray = [];
var geometryUpdaters = [
BoxGeometryUpdater,
CylinderGeometryUpdater,
CorridorGeometryUpdater,
EllipseGeometryUpdater,
EllipsoidGeometryUpdater,
PlaneGeometryUpdater,
PolygonGeometryUpdater,
PolylineVolumeGeometryUpdater,
RectangleGeometryUpdater,
WallGeometryUpdater,
];
function GeometryUpdaterSet(entity, scene) {
this.entity = entity;
this.scene = scene;
var updaters = new Array(geometryUpdaters.length);
var geometryChanged = new Event();
function raiseEvent(geometry) {
geometryChanged.raiseEvent(geometry);
}
var eventHelper = new EventHelper();
for (var i = 0; i < updaters.length; i++) {
var updater = new geometryUpdaters[i](entity, scene);
eventHelper.add(updater.geometryChanged, raiseEvent);
updaters[i] = updater;
}
this.updaters = updaters;
this.geometryChanged = geometryChanged;
this.eventHelper = eventHelper;
this._removeEntitySubscription = entity.definitionChanged.addEventListener(
GeometryUpdaterSet.prototype._onEntityPropertyChanged,
this
);
}
GeometryUpdaterSet.prototype._onEntityPropertyChanged = function (
entity,
propertyName,
newValue,
oldValue
) {
var updaters = this.updaters;
for (var i = 0; i < updaters.length; i++) {
updaters[i]._onEntityPropertyChanged(
entity,
propertyName,
newValue,
oldValue
);
}
};
GeometryUpdaterSet.prototype.forEach = function (callback) {
var updaters = this.updaters;
for (var i = 0; i < updaters.length; i++) {
callback(updaters[i]);
}
};
GeometryUpdaterSet.prototype.destroy = function () {
this.eventHelper.removeAll();
var updaters = this.updaters;
for (var i = 0; i < updaters.length; i++) {
updaters[i].destroy();
}
this._removeEntitySubscription();
destroyObject(this);
};
/**
* A general purpose visualizer for geometry represented by {@link Primitive} instances.
* @alias GeometryVisualizer
* @constructor
*
* @param {Scene} scene The scene the primitives will be rendered in.
* @param {EntityCollection} entityCollection The entityCollection to visualize.
* @param {PrimitiveCollection} [primitives=scene.primitives] A collection to add primitives related to the entities
* @param {PrimitiveCollection} [groundPrimitives=scene.groundPrimitives] A collection to add ground primitives related to the entities
*/
function GeometryVisualizer(
scene,
entityCollection,
primitives,
groundPrimitives
) {
//>>includeStart('debug', pragmas.debug);
Check.defined("scene", scene);
Check.defined("entityCollection", entityCollection);
//>>includeEnd('debug');
primitives = defaultValue(primitives, scene.primitives);
groundPrimitives = defaultValue(groundPrimitives, scene.groundPrimitives);
this._scene = scene;
this._primitives = primitives;
this._groundPrimitives = groundPrimitives;
this._entityCollection = undefined;
this._addedObjects = new AssociativeArray();
this._removedObjects = new AssociativeArray();
this._changedObjects = new AssociativeArray();
var numberOfShadowModes = ShadowMode.NUMBER_OF_SHADOW_MODES;
this._outlineBatches = new Array(numberOfShadowModes * 2);
this._closedColorBatches = new Array(numberOfShadowModes * 2);
this._closedMaterialBatches = new Array(numberOfShadowModes * 2);
this._openColorBatches = new Array(numberOfShadowModes * 2);
this._openMaterialBatches = new Array(numberOfShadowModes * 2);
var supportsMaterialsforEntitiesOnTerrain = Entity.supportsMaterialsforEntitiesOnTerrain(
scene
);
this._supportsMaterialsforEntitiesOnTerrain = supportsMaterialsforEntitiesOnTerrain;
var i;
for (i = 0; i < numberOfShadowModes; ++i) {
this._outlineBatches[i] = new StaticOutlineGeometryBatch(
primitives,
scene,
i,
false
);
this._outlineBatches[
numberOfShadowModes + i
] = new StaticOutlineGeometryBatch(primitives, scene, i, true);
this._closedColorBatches[i] = new StaticGeometryColorBatch(
primitives,
PerInstanceColorAppearance,
undefined,
true,
i,
true
);
this._closedColorBatches[
numberOfShadowModes + i
] = new StaticGeometryColorBatch(
primitives,
PerInstanceColorAppearance,
undefined,
true,
i,
false
);
this._closedMaterialBatches[i] = new StaticGeometryPerMaterialBatch(
primitives,
MaterialAppearance,
undefined,
true,
i,
true
);
this._closedMaterialBatches[
numberOfShadowModes + i
] = new StaticGeometryPerMaterialBatch(
primitives,
MaterialAppearance,
undefined,
true,
i,
false
);
this._openColorBatches[i] = new StaticGeometryColorBatch(
primitives,
PerInstanceColorAppearance,
undefined,
false,
i,
true
);
this._openColorBatches[
numberOfShadowModes + i
] = new StaticGeometryColorBatch(
primitives,
PerInstanceColorAppearance,
undefined,
false,
i,
false
);
this._openMaterialBatches[i] = new StaticGeometryPerMaterialBatch(
primitives,
MaterialAppearance,
undefined,
false,
i,
true
);
this._openMaterialBatches[
numberOfShadowModes + i
] = new StaticGeometryPerMaterialBatch(
primitives,
MaterialAppearance,
undefined,
false,
i,
false
);
}
var numberOfClassificationTypes =
ClassificationType.NUMBER_OF_CLASSIFICATION_TYPES;
var groundColorBatches = new Array(numberOfClassificationTypes);
var groundMaterialBatches = [];
if (supportsMaterialsforEntitiesOnTerrain) {
for (i = 0; i < numberOfClassificationTypes; ++i) {
groundMaterialBatches.push(
new StaticGroundGeometryPerMaterialBatch(
groundPrimitives,
i,
MaterialAppearance
)
);
groundColorBatches[i] = new StaticGroundGeometryColorBatch(
groundPrimitives,
i
);
}
} else {
for (i = 0; i < numberOfClassificationTypes; ++i) {
groundColorBatches[i] = new StaticGroundGeometryColorBatch(
groundPrimitives,
i
);
}
}
this._groundColorBatches = groundColorBatches;
this._groundMaterialBatches = groundMaterialBatches;
this._dynamicBatch = new DynamicGeometryBatch(primitives, groundPrimitives);
this._batches = this._outlineBatches.concat(
this._closedColorBatches,
this._closedMaterialBatches,
this._openColorBatches,
this._openMaterialBatches,
this._groundColorBatches,
this._groundMaterialBatches,
this._dynamicBatch
);
this._subscriptions = new AssociativeArray();
this._updaterSets = new AssociativeArray();
this._entityCollection = entityCollection;
entityCollection.collectionChanged.addEventListener(
GeometryVisualizer.prototype._onCollectionChanged,
this
);
this._onCollectionChanged(
entityCollection,
entityCollection.values,
emptyArray
);
}
/**
* Updates all of the primitives created by this visualizer to match their
* Entity counterpart at the given time.
*
* @param {JulianDate} time The time to update to.
* @returns {Boolean} True if the visualizer successfully updated to the provided time,
* false if the visualizer is waiting for asynchronous primitives to be created.
*/
GeometryVisualizer.prototype.update = function (time) {
//>>includeStart('debug', pragmas.debug);
Check.defined("time", time);
//>>includeEnd('debug');
var addedObjects = this._addedObjects;
var added = addedObjects.values;
var removedObjects = this._removedObjects;
var removed = removedObjects.values;
var changedObjects = this._changedObjects;
var changed = changedObjects.values;
var i;
var entity;
var id;
var updaterSet;
var that = this;
for (i = changed.length - 1; i > -1; i--) {
entity = changed[i];
id = entity.id;
updaterSet = this._updaterSets.get(id);
//If in a single update, an entity gets removed and a new instance
//re-added with the same id, the updater no longer tracks the
//correct entity, we need to both remove the old one and
//add the new one, which is done by pushing the entity
//onto the removed/added lists.
if (updaterSet.entity === entity) {
updaterSet.forEach(function (updater) {
that._removeUpdater(updater);
that._insertUpdaterIntoBatch(time, updater);
});
} else {
removed.push(entity);
added.push(entity);
}
}
for (i = removed.length - 1; i > -1; i--) {
entity = removed[i];
id = entity.id;
updaterSet = this._updaterSets.get(id);
updaterSet.forEach(this._removeUpdater.bind(this));
updaterSet.destroy();
this._updaterSets.remove(id);
this._subscriptions.get(id)();
this._subscriptions.remove(id);
}
for (i = added.length - 1; i > -1; i--) {
entity = added[i];
id = entity.id;
updaterSet = new GeometryUpdaterSet(entity, this._scene);
this._updaterSets.set(id, updaterSet);
updaterSet.forEach(function (updater) {
that._insertUpdaterIntoBatch(time, updater);
});
this._subscriptions.set(
id,
updaterSet.geometryChanged.addEventListener(
GeometryVisualizer._onGeometryChanged,
this
)
);
}
addedObjects.removeAll();
removedObjects.removeAll();
changedObjects.removeAll();
var isUpdated = true;
var batches = this._batches;
var length = batches.length;
for (i = 0; i < length; i++) {
isUpdated = batches[i].update(time) && isUpdated;
}
return isUpdated;
};
var getBoundingSphereArrayScratch = [];
var getBoundingSphereBoundingSphereScratch = new BoundingSphere();
/**
* Computes a bounding sphere which encloses the visualization produced for the specified entity.
* The bounding sphere is in the fixed frame of the scene's globe.
*
* @param {Entity} entity The entity whose bounding sphere to compute.
* @param {BoundingSphere} result The bounding sphere onto which to store the result.
* @returns {BoundingSphereState} BoundingSphereState.DONE if the result contains the bounding sphere,
* BoundingSphereState.PENDING if the result is still being computed, or
* BoundingSphereState.FAILED if the entity has no visualization in the current scene.
* @private
*/
GeometryVisualizer.prototype.getBoundingSphere = function (entity, result) {
//>>includeStart('debug', pragmas.debug);
Check.defined("entity", entity);
Check.defined("result", result);
//>>includeEnd('debug');
var boundingSpheres = getBoundingSphereArrayScratch;
var tmp = getBoundingSphereBoundingSphereScratch;
var count = 0;
var state = BoundingSphereState.DONE;
var batches = this._batches;
var batchesLength = batches.length;
var id = entity.id;
var updaters = this._updaterSets.get(id).updaters;
for (var j = 0; j < updaters.length; j++) {
var updater = updaters[j];
for (var i = 0; i < batchesLength; i++) {
state = batches[i].getBoundingSphere(updater, tmp);
if (state === BoundingSphereState.PENDING) {
return BoundingSphereState.PENDING;
} else if (state === BoundingSphereState.DONE) {
boundingSpheres[count] = BoundingSphere.clone(
tmp,
boundingSpheres[count]
);
count++;
}
}
}
if (count === 0) {
return BoundingSphereState.FAILED;
}
boundingSpheres.length = count;
BoundingSphere.fromBoundingSpheres(boundingSpheres, result);
return BoundingSphereState.DONE;
};
/**
* Returns true if this object was destroyed; otherwise, false.
*
* @returns {Boolean} True if this object was destroyed; otherwise, false.
*/
GeometryVisualizer.prototype.isDestroyed = function () {
return false;
};
/**
* Removes and destroys all primitives created by this instance.
*/
GeometryVisualizer.prototype.destroy = function () {
this._entityCollection.collectionChanged.removeEventListener(
GeometryVisualizer.prototype._onCollectionChanged,
this
);
this._addedObjects.removeAll();
this._removedObjects.removeAll();
var i;
var batches = this._batches;
var length = batches.length;
for (i = 0; i < length; i++) {
batches[i].removeAllPrimitives();
}
var subscriptions = this._subscriptions.values;
length = subscriptions.length;
for (i = 0; i < length; i++) {
subscriptions[i]();
}
this._subscriptions.removeAll();
var updaterSets = this._updaterSets.values;
length = updaterSets.length;
for (i = 0; i < length; i++) {
updaterSets[i].destroy();
}
this._updaterSets.removeAll();
return destroyObject(this);
};
/**
* @private
*/
GeometryVisualizer.prototype._removeUpdater = function (updater) {
//We don't keep track of which batch an updater is in, so just remove it from all of them.
var batches = this._batches;
var length = batches.length;
for (var i = 0; i < length; i++) {
batches[i].remove(updater);
}
};
/**
* @private
*/
GeometryVisualizer.prototype._insertUpdaterIntoBatch = function (
time,
updater
) {
if (updater.isDynamic) {
this._dynamicBatch.add(time, updater);
return;
}
var shadows;
if (updater.outlineEnabled || updater.fillEnabled) {
shadows = updater.shadowsProperty.getValue(time);
}
var numberOfShadowModes = ShadowMode.NUMBER_OF_SHADOW_MODES;
if (updater.outlineEnabled) {
if (defined(updater.terrainOffsetProperty)) {
this._outlineBatches[numberOfShadowModes + shadows].add(time, updater);
} else {
this._outlineBatches[shadows].add(time, updater);
}
}
if (updater.fillEnabled) {
if (updater.onTerrain) {
var classificationType = updater.classificationTypeProperty.getValue(
time
);
if (updater.fillMaterialProperty instanceof ColorMaterialProperty) {
this._groundColorBatches[classificationType].add(time, updater);
} else {
// If unsupported, updater will not be on terrain.
this._groundMaterialBatches[classificationType].add(time, updater);
}
} else if (updater.isClosed) {
if (updater.fillMaterialProperty instanceof ColorMaterialProperty) {
if (defined(updater.terrainOffsetProperty)) {
this._closedColorBatches[numberOfShadowModes + shadows].add(
time,
updater
);
} else {
this._closedColorBatches[shadows].add(time, updater);
}
} else if (defined(updater.terrainOffsetProperty)) {
this._closedMaterialBatches[numberOfShadowModes + shadows].add(
time,
updater
);
} else {
this._closedMaterialBatches[shadows].add(time, updater);
}
} else if (updater.fillMaterialProperty instanceof ColorMaterialProperty) {
if (defined(updater.terrainOffsetProperty)) {
this._openColorBatches[numberOfShadowModes + shadows].add(
time,
updater
);
} else {
this._openColorBatches[shadows].add(time, updater);
}
} else if (defined(updater.terrainOffsetProperty)) {
this._openMaterialBatches[numberOfShadowModes + shadows].add(
time,
updater
);
} else {
this._openMaterialBatches[shadows].add(time, updater);
}
}
};
/**
* @private
*/
GeometryVisualizer._onGeometryChanged = function (updater) {
var removedObjects = this._removedObjects;
var changedObjects = this._changedObjects;
var entity = updater.entity;
var id = entity.id;
if (!defined(removedObjects.get(id)) && !defined(changedObjects.get(id))) {
changedObjects.set(id, entity);
}
};
/**
* @private
*/
GeometryVisualizer.prototype._onCollectionChanged = function (
entityCollection,
added,
removed
) {
var addedObjects = this._addedObjects;
var removedObjects = this._removedObjects;
var changedObjects = this._changedObjects;
var i;
var id;
var entity;
for (i = removed.length - 1; i > -1; i--) {
entity = removed[i];
id = entity.id;
if (!addedObjects.remove(id)) {
removedObjects.set(id, entity);
changedObjects.remove(id);
}
}
for (i = added.length - 1; i > -1; i--) {
entity = added[i];
id = entity.id;
if (removedObjects.remove(id)) {
changedObjects.set(id, entity);
} else {
addedObjects.set(id, entity);
}
}
};
export default GeometryVisualizer;