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import Color from "../Core/Color.js";
import defined from "../Core/defined.js";
import destroyObject from "../Core/destroyObject.js";
import DeveloperError from "../Core/DeveloperError.js";
import DistanceDisplayCondition from "../Core/DistanceDisplayCondition.js";
import Event from "../Core/Event.js";
import Iso8601 from "../Core/Iso8601.js";
import oneTimeWarning from "../Core/oneTimeWarning.js";
import ClassificationType from "../Scene/ClassificationType.js";
import ShadowMode from "../Scene/ShadowMode.js";
import ColorMaterialProperty from "./ColorMaterialProperty.js";
import ConstantProperty from "./ConstantProperty.js";
import Entity from "./Entity.js";
import Property from "./Property.js";
const defaultMaterial = new ColorMaterialProperty(Color.WHITE);
const defaultShow = new ConstantProperty(true);
const defaultFill = new ConstantProperty(true);
const defaultOutline = new ConstantProperty(false);
const defaultOutlineColor = new ConstantProperty(Color.BLACK);
const defaultShadows = new ConstantProperty(ShadowMode.DISABLED);
const defaultDistanceDisplayCondition = new ConstantProperty(
new DistanceDisplayCondition(),
);
const defaultClassificationType = new ConstantProperty(ClassificationType.BOTH);
/**
* An abstract class for updating geometry entities.
* @alias GeometryUpdater
* @constructor
*
* @param {object} options An object with the following properties:
* @param {Entity} options.entity The entity containing the geometry to be visualized.
* @param {Scene} options.scene The scene where visualization is taking place.
* @param {object} options.geometryOptions Options for the geometry
* @param {string} options.geometryPropertyName The geometry property name
* @param {string[]} options.observedPropertyNames The entity properties this geometry cares about
*/
function GeometryUpdater(options) {
//>>includeStart('debug', pragmas.debug);
Check.defined("options.entity", options.entity);
Check.defined("options.scene", options.scene);
Check.defined("options.geometryOptions", options.geometryOptions);
Check.defined("options.geometryPropertyName", options.geometryPropertyName);
Check.defined("options.observedPropertyNames", options.observedPropertyNames);
//>>includeEnd('debug');
const entity = options.entity;
const geometryPropertyName = options.geometryPropertyName;
this._entity = entity;
this._scene = options.scene;
this._fillEnabled = false;
this._isClosed = false;
this._onTerrain = false;
this._dynamic = false;
this._outlineEnabled = false;
this._geometryChanged = new Event();
this._showProperty = undefined;
this._materialProperty = undefined;
this._showOutlineProperty = undefined;
this._outlineColorProperty = undefined;
this._outlineWidth = 1.0;
this._shadowsProperty = undefined;
this._distanceDisplayConditionProperty = undefined;
this._classificationTypeProperty = undefined;
this._options = options.geometryOptions;
this._geometryPropertyName = geometryPropertyName;
this._id = `${geometryPropertyName}-${entity.id}`;
this._observedPropertyNames = options.observedPropertyNames;
this._supportsMaterialsforEntitiesOnTerrain =
Entity.supportsMaterialsforEntitiesOnTerrain(options.scene);
}
Object.defineProperties(GeometryUpdater.prototype, {
/**
* Gets the unique ID associated with this updater
* @memberof GeometryUpdater.prototype
* @type {string}
* @readonly
*/
id: {
get: function () {
return this._id;
},
},
/**
* Gets the entity associated with this geometry.
* @memberof GeometryUpdater.prototype
*
* @type {Entity}
* @readonly
*/
entity: {
get: function () {
return this._entity;
},
},
/**
* Gets a value indicating if the geometry has a fill component.
* @memberof GeometryUpdater.prototype
*
* @type {boolean}
* @readonly
*/
fillEnabled: {
get: function () {
return this._fillEnabled;
},
},
/**
* Gets a value indicating if fill visibility varies with simulation time.
* @memberof GeometryUpdater.prototype
*
* @type {boolean}
* @readonly
*/
hasConstantFill: {
get: function () {
return (
!this._fillEnabled ||
(!defined(this._entity.availability) &&
Property.isConstant(this._showProperty) &&
Property.isConstant(this._fillProperty))
);
},
},
/**
* Gets the material property used to fill the geometry.
* @memberof GeometryUpdater.prototype
*
* @type {MaterialProperty}
* @readonly
*/
fillMaterialProperty: {
get: function () {
return this._materialProperty;
},
},
/**
* Gets a value indicating if the geometry has an outline component.
* @memberof GeometryUpdater.prototype
*
* @type {boolean}
* @readonly
*/
outlineEnabled: {
get: function () {
return this._outlineEnabled;
},
},
/**
* Gets a value indicating if the geometry has an outline component.
* @memberof GeometryUpdater.prototype
*
* @type {boolean}
* @readonly
*/
hasConstantOutline: {
get: function () {
return (
!this._outlineEnabled ||
(!defined(this._entity.availability) &&
Property.isConstant(this._showProperty) &&
Property.isConstant(this._showOutlineProperty))
);
},
},
/**
* Gets the {@link Color} property for the geometry outline.
* @memberof GeometryUpdater.prototype
*
* @type {Property}
* @readonly
*/
outlineColorProperty: {
get: function () {
return this._outlineColorProperty;
},
},
/**
* Gets the constant with of the geometry outline, in pixels.
* This value is only valid if isDynamic is false.
* @memberof GeometryUpdater.prototype
*
* @type {number}
* @readonly
*/
outlineWidth: {
get: function () {
return this._outlineWidth;
},
},
/**
* Gets the property specifying whether the geometry
* casts or receives shadows from light sources.
* @memberof GeometryUpdater.prototype
*
* @type {Property}
* @readonly
*/
shadowsProperty: {
get: function () {
return this._shadowsProperty;
},
},
/**
* Gets or sets the {@link DistanceDisplayCondition} Property specifying at what distance from the camera that this geometry will be displayed.
* @memberof GeometryUpdater.prototype
*
* @type {Property}
* @readonly
*/
distanceDisplayConditionProperty: {
get: function () {
return this._distanceDisplayConditionProperty;
},
},
/**
* Gets or sets the {@link ClassificationType} Property specifying if this geometry will classify terrain, 3D Tiles, or both when on the ground.
* @memberof GeometryUpdater.prototype
*
* @type {Property}
* @readonly
*/
classificationTypeProperty: {
get: function () {
return this._classificationTypeProperty;
},
},
/**
* Gets a value indicating if the geometry is time-varying.
*
* @memberof GeometryUpdater.prototype
*
* @type {boolean}
* @readonly
*/
isDynamic: {
get: function () {
return this._dynamic;
},
},
/**
* Gets a value indicating if the geometry is closed.
* This property is only valid for static geometry.
* @memberof GeometryUpdater.prototype
*
* @type {boolean}
* @readonly
*/
isClosed: {
get: function () {
return this._isClosed;
},
},
/**
* Gets a value indicating if the geometry should be drawn on terrain.
* @memberof EllipseGeometryUpdater.prototype
*
* @type {boolean}
* @readonly
*/
onTerrain: {
get: function () {
return this._onTerrain;
},
},
/**
* Gets an event that is raised whenever the public properties
* of this updater change.
* @memberof GeometryUpdater.prototype
*
* @type {boolean}
* @readonly
*/
geometryChanged: {
get: function () {
return this._geometryChanged;
},
},
});
/**
* Checks if the geometry is outlined at the provided time.
*
* @param {JulianDate} time The time for which to retrieve visibility.
* @returns {boolean} true if geometry is outlined at the provided time, false otherwise.
*/
GeometryUpdater.prototype.isOutlineVisible = function (time) {
const entity = this._entity;
const visible =
this._outlineEnabled &&
entity.isAvailable(time) &&
this._showProperty.getValue(time) &&
this._showOutlineProperty.getValue(time);
return visible ?? false;
};
/**
* Checks if the geometry is filled at the provided time.
*
* @param {JulianDate} time The time for which to retrieve visibility.
* @returns {boolean} true if geometry is filled at the provided time, false otherwise.
*/
GeometryUpdater.prototype.isFilled = function (time) {
const entity = this._entity;
const visible =
this._fillEnabled &&
entity.isAvailable(time) &&
this._showProperty.getValue(time) &&
this._fillProperty.getValue(time);
return visible ?? false;
};
/**
* Creates the geometry instance which represents the fill of the geometry.
*
* @function
* @param {JulianDate} time The time to use when retrieving initial attribute values.
* @returns {GeometryInstance} The geometry instance representing the filled portion of the geometry.
*
* @exception {DeveloperError} This instance does not represent a filled geometry.
*/
GeometryUpdater.prototype.createFillGeometryInstance =
DeveloperError.throwInstantiationError;
/**
* Creates the geometry instance which represents the outline of the geometry.
*
* @function
* @param {JulianDate} time The time to use when retrieving initial attribute values.
* @returns {GeometryInstance} The geometry instance representing the outline portion of the geometry.
*
* @exception {DeveloperError} This instance does not represent an outlined geometry.
*/
GeometryUpdater.prototype.createOutlineGeometryInstance =
DeveloperError.throwInstantiationError;
/**
* Returns true if this object was destroyed; otherwise, false.
*
* @returns {boolean} True if this object was destroyed; otherwise, false.
*/
GeometryUpdater.prototype.isDestroyed = function () {
return false;
};
/**
* Destroys and resources used by the object. Once an object is destroyed, it should not be used.
*
* @exception {DeveloperError} This object was destroyed, i.e., destroy() was called.
*/
GeometryUpdater.prototype.destroy = function () {
destroyObject(this);
};
/**
* @param {Entity} entity
* @param {object} geometry
* @private
*/
GeometryUpdater.prototype._isHidden = function (entity, geometry) {
const show = geometry.show;
return (
defined(show) && show.isConstant && !show.getValue(Iso8601.MINIMUM_VALUE)
);
};
/**
* @param {Entity} entity
* @param {object} geometry
* @private
*/
GeometryUpdater.prototype._isOnTerrain = function (entity, geometry) {
return false;
};
/**
* @param {GeometryOptions} options
* @private
*/
GeometryUpdater.prototype._getIsClosed = function (options) {
return true;
};
/**
* @param {Entity} entity
* @param {object} geometry
* @private
*/
GeometryUpdater.prototype._isDynamic = DeveloperError.throwInstantiationError;
/**
* @param {Entity} entity
* @param {object} geometry
* @private
*/
GeometryUpdater.prototype._setStaticOptions =
DeveloperError.throwInstantiationError;
/**
* @param {Entity} entity
* @param {string} propertyName
* @param {*} newValue
* @param {*} oldValue
* @private
*/
GeometryUpdater.prototype._onEntityPropertyChanged = function (
entity,
propertyName,
newValue,
oldValue,
) {
if (this._observedPropertyNames.indexOf(propertyName) === -1) {
return;
}
const geometry = this._entity[this._geometryPropertyName];
if (!defined(geometry)) {
Iif (this._fillEnabled || this._outlineEnabled) {
this._fillEnabled = false;
this._outlineEnabled = false;
this._geometryChanged.raiseEvent(this);
}
return;
}
const fillProperty = geometry.fill;
const fillEnabled =
defined(fillProperty) && fillProperty.isConstant
? fillProperty.getValue(Iso8601.MINIMUM_VALUE)
: true;
const outlineProperty = geometry.outline;
let outlineEnabled = defined(outlineProperty);
if (outlineEnabled && outlineProperty.isConstant) {
outlineEnabled = outlineProperty.getValue(Iso8601.MINIMUM_VALUE);
}
if (!fillEnabled && !outlineEnabled) {
Iif (this._fillEnabled || this._outlineEnabled) {
this._fillEnabled = false;
this._outlineEnabled = false;
this._geometryChanged.raiseEvent(this);
}
return;
}
const show = geometry.show;
if (this._isHidden(entity, geometry)) {
if (this._fillEnabled || this._outlineEnabled) {
this._fillEnabled = false;
this._outlineEnabled = false;
this._geometryChanged.raiseEvent(this);
}
return;
}
this._materialProperty = geometry.material ?? defaultMaterial;
this._fillProperty = fillProperty ?? defaultFill;
this._showProperty = show ?? defaultShow;
this._showOutlineProperty = geometry.outline ?? defaultOutline;
this._outlineColorProperty = outlineEnabled
? (geometry.outlineColor ?? defaultOutlineColor)
: undefined;
this._shadowsProperty = geometry.shadows ?? defaultShadows;
this._distanceDisplayConditionProperty =
geometry.distanceDisplayCondition ?? defaultDistanceDisplayCondition;
this._classificationTypeProperty =
geometry.classificationType ?? defaultClassificationType;
this._fillEnabled = fillEnabled;
const onTerrain =
this._isOnTerrain(entity, geometry) &&
(this._supportsMaterialsforEntitiesOnTerrain ||
this._materialProperty instanceof ColorMaterialProperty);
if (outlineEnabled && onTerrain) {
oneTimeWarning(oneTimeWarning.geometryOutlines);
outlineEnabled = false;
}
this._onTerrain = onTerrain;
this._outlineEnabled = outlineEnabled;
if (this._isDynamic(entity, geometry)) {
if (!this._dynamic) {
this._dynamic = true;
this._geometryChanged.raiseEvent(this);
}
} else {
this._setStaticOptions(entity, geometry);
this._isClosed = this._getIsClosed(this._options);
const outlineWidth = geometry.outlineWidth;
this._outlineWidth = defined(outlineWidth)
? outlineWidth.getValue(Iso8601.MINIMUM_VALUE)
: 1.0;
this._dynamic = false;
this._geometryChanged.raiseEvent(this);
}
};
/**
* Creates the dynamic updater to be used when GeometryUpdater#isDynamic is true.
*
* @param {PrimitiveCollection} primitives The primitive collection to use.
* @param {PrimitiveCollection} [groundPrimitives] The primitive collection to use for ground primitives.
*
* @returns {DynamicGeometryUpdater} The dynamic updater used to update the geometry each frame.
*
* @exception {DeveloperError} This instance does not represent dynamic geometry.
* @private
*/
GeometryUpdater.prototype.createDynamicUpdater = function (
primitives,
groundPrimitives,
) {
//>>includeStart('debug', pragmas.debug);
Check.defined("primitives", primitives);
Check.defined("groundPrimitives", groundPrimitives);
if (!this._dynamic) {
throw new DeveloperError(
"This instance does not represent dynamic geometry.",
);
}
//>>includeEnd('debug');
return new this.constructor.DynamicGeometryUpdater(
this,
primitives,
groundPrimitives,
);
};
export default GeometryUpdater;
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