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JavaScript

import AssociativeArray from "../Core/AssociativeArray.js";
import Cartesian3 from "../Core/Cartesian3.js";
import Color from "../Core/Color.js";
import ColorGeometryInstanceAttribute from "../Core/ColorGeometryInstanceAttribute.js";
import defined from "../Core/defined.js";
import DistanceDisplayCondition from "../Core/DistanceDisplayCondition.js";
import DistanceDisplayConditionGeometryInstanceAttribute from "../Core/DistanceDisplayConditionGeometryInstanceAttribute.js";
import OffsetGeometryInstanceAttribute from "../Core/OffsetGeometryInstanceAttribute.js";
import ShowGeometryInstanceAttribute from "../Core/ShowGeometryInstanceAttribute.js";
import Primitive from "../Scene/Primitive.js";
import BoundingSphereState from "./BoundingSphereState.js";
import ColorMaterialProperty from "./ColorMaterialProperty.js";
import MaterialProperty from "./MaterialProperty.js";
import Property from "./Property.js";
var colorScratch = new Color();
var distanceDisplayConditionScratch = new DistanceDisplayCondition();
var defaultDistanceDisplayCondition = new DistanceDisplayCondition();
var defaultOffset = Cartesian3.ZERO;
var offsetScratch = new Cartesian3();
function Batch(
primitives,
translucent,
appearanceType,
depthFailAppearanceType,
depthFailMaterialProperty,
closed,
shadows
) {
this.translucent = translucent;
this.appearanceType = appearanceType;
this.depthFailAppearanceType = depthFailAppearanceType;
this.depthFailMaterialProperty = depthFailMaterialProperty;
this.depthFailMaterial = undefined;
this.closed = closed;
this.shadows = shadows;
this.primitives = primitives;
this.createPrimitive = false;
this.waitingOnCreate = false;
this.primitive = undefined;
this.oldPrimitive = undefined;
this.geometry = new AssociativeArray();
this.updaters = new AssociativeArray();
this.updatersWithAttributes = new AssociativeArray();
this.attributes = new AssociativeArray();
this.subscriptions = new AssociativeArray();
this.showsUpdated = new AssociativeArray();
this.itemsToRemove = [];
this.invalidated = false;
var removeMaterialSubscription;
if (defined(depthFailMaterialProperty)) {
removeMaterialSubscription = depthFailMaterialProperty.definitionChanged.addEventListener(
Batch.prototype.onMaterialChanged,
this
);
}
this.removeMaterialSubscription = removeMaterialSubscription;
}
Batch.prototype.onMaterialChanged = function () {
this.invalidated = true;
};
Batch.prototype.isMaterial = function (updater) {
var material = this.depthFailMaterialProperty;
var updaterMaterial = updater.depthFailMaterialProperty;
if (updaterMaterial === material) {
return true;
}
if (defined(material)) {
return material.equals(updaterMaterial);
}
return false;
};
Batch.prototype.add = function (updater, instance) {
var id = updater.id;
this.createPrimitive = true;
this.geometry.set(id, instance);
this.updaters.set(id, updater);
if (
!updater.hasConstantFill ||
!updater.fillMaterialProperty.isConstant ||
!Property.isConstant(updater.distanceDisplayConditionProperty) ||
!Property.isConstant(updater.terrainOffsetProperty)
) {
this.updatersWithAttributes.set(id, updater);
} else {
var that = this;
this.subscriptions.set(
id,
updater.entity.definitionChanged.addEventListener(function (
entity,
propertyName,
newValue,
oldValue
) {
if (propertyName === "isShowing") {
that.showsUpdated.set(updater.id, updater);
}
})
);
}
};
Batch.prototype.remove = function (updater) {
var id = updater.id;
this.createPrimitive = this.geometry.remove(id) || this.createPrimitive;
if (this.updaters.remove(id)) {
this.updatersWithAttributes.remove(id);
var unsubscribe = this.subscriptions.get(id);
if (defined(unsubscribe)) {
unsubscribe();
this.subscriptions.remove(id);
this.showsUpdated.remove(id);
}
return true;
}
return false;
};
Batch.prototype.update = function (time) {
var isUpdated = true;
var removedCount = 0;
var primitive = this.primitive;
var primitives = this.primitives;
var i;
if (this.createPrimitive) {
var geometries = this.geometry.values;
var geometriesLength = geometries.length;
if (geometriesLength > 0) {
if (defined(primitive)) {
if (!defined(this.oldPrimitive)) {
this.oldPrimitive = primitive;
} else {
primitives.remove(primitive);
}
}
var depthFailAppearance;
if (defined(this.depthFailAppearanceType)) {
if (defined(this.depthFailMaterialProperty)) {
this.depthFailMaterial = MaterialProperty.getValue(
time,
this.depthFailMaterialProperty,
this.depthFailMaterial
);
}
depthFailAppearance = new this.depthFailAppearanceType({
material: this.depthFailMaterial,
translucent: this.translucent,
closed: this.closed,
});
}
primitive = new Primitive({
show: false,
asynchronous: true,
geometryInstances: geometries.slice(),
appearance: new this.appearanceType({
translucent: this.translucent,
closed: this.closed,
}),
depthFailAppearance: depthFailAppearance,
shadows: this.shadows,
});
primitives.add(primitive);
isUpdated = false;
} else {
if (defined(primitive)) {
primitives.remove(primitive);
primitive = undefined;
}
var oldPrimitive = this.oldPrimitive;
if (defined(oldPrimitive)) {
primitives.remove(oldPrimitive);
this.oldPrimitive = undefined;
}
}
this.attributes.removeAll();
this.primitive = primitive;
this.createPrimitive = false;
this.waitingOnCreate = true;
} else if (defined(primitive) && primitive.ready) {
primitive.show = true;
if (defined(this.oldPrimitive)) {
primitives.remove(this.oldPrimitive);
this.oldPrimitive = undefined;
}
if (
defined(this.depthFailAppearanceType) &&
!(this.depthFailMaterialProperty instanceof ColorMaterialProperty)
) {
this.depthFailMaterial = MaterialProperty.getValue(
time,
this.depthFailMaterialProperty,
this.depthFailMaterial
);
this.primitive.depthFailAppearance.material = this.depthFailMaterial;
}
var updatersWithAttributes = this.updatersWithAttributes.values;
var length = updatersWithAttributes.length;
var waitingOnCreate = this.waitingOnCreate;
for (i = 0; i < length; i++) {
var updater = updatersWithAttributes[i];
var instance = this.geometry.get(updater.id);
var attributes = this.attributes.get(instance.id.id);
if (!defined(attributes)) {
attributes = primitive.getGeometryInstanceAttributes(instance.id);
this.attributes.set(instance.id.id, attributes);
}
if (!updater.fillMaterialProperty.isConstant || waitingOnCreate) {
var colorProperty = updater.fillMaterialProperty.color;
var resultColor = Property.getValueOrDefault(
colorProperty,
time,
Color.WHITE,
colorScratch
);
if (!Color.equals(attributes._lastColor, resultColor)) {
attributes._lastColor = Color.clone(
resultColor,
attributes._lastColor
);
attributes.color = ColorGeometryInstanceAttribute.toValue(
resultColor,
attributes.color
);
if (
(this.translucent && attributes.color[3] === 255) ||
(!this.translucent && attributes.color[3] !== 255)
) {
this.itemsToRemove[removedCount++] = updater;
}
}
}
if (
defined(this.depthFailAppearanceType) &&
updater.depthFailMaterialProperty instanceof ColorMaterialProperty &&
(!updater.depthFailMaterialProperty.isConstant || waitingOnCreate)
) {
var depthFailColorProperty = updater.depthFailMaterialProperty.color;
var depthColor = Property.getValueOrDefault(
depthFailColorProperty,
time,
Color.WHITE,
colorScratch
);
if (!Color.equals(attributes._lastDepthFailColor, depthColor)) {
attributes._lastDepthFailColor = Color.clone(
depthColor,
attributes._lastDepthFailColor
);
attributes.depthFailColor = ColorGeometryInstanceAttribute.toValue(
depthColor,
attributes.depthFailColor
);
}
}
var show =
updater.entity.isShowing &&
(updater.hasConstantFill || updater.isFilled(time));
var currentShow = attributes.show[0] === 1;
if (show !== currentShow) {
attributes.show = ShowGeometryInstanceAttribute.toValue(
show,
attributes.show
);
}
var distanceDisplayConditionProperty =
updater.distanceDisplayConditionProperty;
if (!Property.isConstant(distanceDisplayConditionProperty)) {
var distanceDisplayCondition = Property.getValueOrDefault(
distanceDisplayConditionProperty,
time,
defaultDistanceDisplayCondition,
distanceDisplayConditionScratch
);
if (
!DistanceDisplayCondition.equals(
distanceDisplayCondition,
attributes._lastDistanceDisplayCondition
)
) {
attributes._lastDistanceDisplayCondition = DistanceDisplayCondition.clone(
distanceDisplayCondition,
attributes._lastDistanceDisplayCondition
);
attributes.distanceDisplayCondition = DistanceDisplayConditionGeometryInstanceAttribute.toValue(
distanceDisplayCondition,
attributes.distanceDisplayCondition
);
}
}
var offsetProperty = updater.terrainOffsetProperty;
if (!Property.isConstant(offsetProperty)) {
var offset = Property.getValueOrDefault(
offsetProperty,
time,
defaultOffset,
offsetScratch
);
if (!Cartesian3.equals(offset, attributes._lastOffset)) {
attributes._lastOffset = Cartesian3.clone(
offset,
attributes._lastOffset
);
attributes.offset = OffsetGeometryInstanceAttribute.toValue(
offset,
attributes.offset
);
}
}
}
this.updateShows(primitive);
this.waitingOnCreate = false;
} else if (defined(primitive) && !primitive.ready) {
isUpdated = false;
}
this.itemsToRemove.length = removedCount;
return isUpdated;
};
Batch.prototype.updateShows = function (primitive) {
var showsUpdated = this.showsUpdated.values;
var length = showsUpdated.length;
for (var i = 0; i < length; i++) {
var updater = showsUpdated[i];
var instance = this.geometry.get(updater.id);
var attributes = this.attributes.get(instance.id.id);
if (!defined(attributes)) {
attributes = primitive.getGeometryInstanceAttributes(instance.id);
this.attributes.set(instance.id.id, attributes);
}
var show = updater.entity.isShowing;
var currentShow = attributes.show[0] === 1;
if (show !== currentShow) {
attributes.show = ShowGeometryInstanceAttribute.toValue(
show,
attributes.show
);
instance.attributes.show.value[0] = attributes.show[0];
}
}
this.showsUpdated.removeAll();
};
Batch.prototype.contains = function (updater) {
return this.updaters.contains(updater.id);
};
Batch.prototype.getBoundingSphere = function (updater, result) {
var primitive = this.primitive;
if (!primitive.ready) {
return BoundingSphereState.PENDING;
}
var attributes = primitive.getGeometryInstanceAttributes(updater.entity);
if (
!defined(attributes) ||
!defined(attributes.boundingSphere) || //
(defined(attributes.show) && attributes.show[0] === 0)
) {
return BoundingSphereState.FAILED;
}
attributes.boundingSphere.clone(result);
return BoundingSphereState.DONE;
};
Batch.prototype.destroy = function () {
var primitive = this.primitive;
var primitives = this.primitives;
if (defined(primitive)) {
primitives.remove(primitive);
}
var oldPrimitive = this.oldPrimitive;
if (defined(oldPrimitive)) {
primitives.remove(oldPrimitive);
}
if (defined(this.removeMaterialSubscription)) {
this.removeMaterialSubscription();
}
};
/**
* @private
*/
function StaticGeometryColorBatch(
primitives,
appearanceType,
depthFailAppearanceType,
closed,
shadows
) {
this._solidItems = [];
this._translucentItems = [];
this._primitives = primitives;
this._appearanceType = appearanceType;
this._depthFailAppearanceType = depthFailAppearanceType;
this._closed = closed;
this._shadows = shadows;
}
StaticGeometryColorBatch.prototype.add = function (time, updater) {
var items;
var translucent;
var instance = updater.createFillGeometryInstance(time);
if (instance.attributes.color.value[3] === 255) {
items = this._solidItems;
translucent = false;
} else {
items = this._translucentItems;
translucent = true;
}
var length = items.length;
for (var i = 0; i < length; i++) {
var item = items[i];
if (item.isMaterial(updater)) {
item.add(updater, instance);
return;
}
}
var batch = new Batch(
this._primitives,
translucent,
this._appearanceType,
this._depthFailAppearanceType,
updater.depthFailMaterialProperty,
this._closed,
this._shadows
);
batch.add(updater, instance);
items.push(batch);
};
function removeItem(items, updater) {
var length = items.length;
for (var i = length - 1; i >= 0; i--) {
var item = items[i];
if (item.remove(updater)) {
if (item.updaters.length === 0) {
items.splice(i, 1);
item.destroy();
}
return true;
}
}
return false;
}
StaticGeometryColorBatch.prototype.remove = function (updater) {
if (!removeItem(this._solidItems, updater)) {
removeItem(this._translucentItems, updater);
}
};
function moveItems(batch, items, time) {
var itemsMoved = false;
var length = items.length;
for (var i = 0; i < length; ++i) {
var item = items[i];
var itemsToRemove = item.itemsToRemove;
var itemsToMoveLength = itemsToRemove.length;
if (itemsToMoveLength > 0) {
for (i = 0; i < itemsToMoveLength; i++) {
var updater = itemsToRemove[i];
item.remove(updater);
batch.add(time, updater);
itemsMoved = true;
}
}
}
return itemsMoved;
}
function updateItems(batch, items, time, isUpdated) {
var length = items.length;
var i;
for (i = length - 1; i >= 0; i--) {
var item = items[i];
if (item.invalidated) {
items.splice(i, 1);
var updaters = item.updaters.values;
var updatersLength = updaters.length;
for (var h = 0; h < updatersLength; h++) {
batch.add(time, updaters[h]);
}
item.destroy();
}
}
length = items.length;
for (i = 0; i < length; ++i) {
isUpdated = items[i].update(time) && isUpdated;
}
return isUpdated;
}
StaticGeometryColorBatch.prototype.update = function (time) {
//Perform initial update
var isUpdated = updateItems(this, this._solidItems, time, true);
isUpdated =
updateItems(this, this._translucentItems, time, isUpdated) && isUpdated;
//If any items swapped between solid/translucent, we need to
//move them between batches
var solidsMoved = moveItems(this, this._solidItems, time);
var translucentsMoved = moveItems(this, this._translucentItems, time);
//If we moved anything around, we need to re-build the primitive
if (solidsMoved || translucentsMoved) {
isUpdated =
updateItems(this, this._solidItems, time, isUpdated) && isUpdated;
isUpdated =
updateItems(this, this._translucentItems, time, isUpdated) && isUpdated;
}
return isUpdated;
};
function getBoundingSphere(items, updater, result) {
var length = items.length;
for (var i = 0; i < length; i++) {
var item = items[i];
if (item.contains(updater)) {
return item.getBoundingSphere(updater, result);
}
}
return BoundingSphereState.FAILED;
}
StaticGeometryColorBatch.prototype.getBoundingSphere = function (
updater,
result
) {
var boundingSphere = getBoundingSphere(this._solidItems, updater, result);
if (boundingSphere === BoundingSphereState.FAILED) {
return getBoundingSphere(this._translucentItems, updater, result);
}
return boundingSphere;
};
function removeAllPrimitives(items) {
var length = items.length;
for (var i = 0; i < length; i++) {
items[i].destroy();
}
items.length = 0;
}
StaticGeometryColorBatch.prototype.removeAllPrimitives = function () {
removeAllPrimitives(this._solidItems);
removeAllPrimitives(this._translucentItems);
};
export default StaticGeometryColorBatch;