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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 | 242x 242x 242x 242x 1x 12x 1x 39x 38x 34x 37x 37x 37x 30x 30x 30x 30x 30x 30x 17x 30x 37x 37x 37x 37x 1x 10x 8x 6x 6x 6x 6x 1x 10x 8x 8x 8x 5x 3x 8x 8x 8x 6x 6x 6x 8x 2x 1x 220x 220x 3x 3x 3x 220x 220x 220x 1x 13x 2x 11x 11x 1x 24x 1x 23x 23x 16x 1x 1x 1x 219x 219x | import Check from "../Core/Check.js";
import defined from "../Core/defined.js";
import destroyObject from "../Core/destroyObject.js";
import PrimitiveCollection from "./PrimitiveCollection.js";
/**
* A primitive collection for helping maintain the order or ground primitives based on a z-index
*
* @private
*/
function OrderedGroundPrimitiveCollection() {
this._length = 0;
this._collections = {};
this._collectionsArray = [];
this.show = true;
}
Object.defineProperties(OrderedGroundPrimitiveCollection.prototype, {
/**
* Gets the number of primitives in the collection.
*
* @memberof OrderedGroundPrimitiveCollection.prototype
*
* @type {number}
* @readonly
*/
length: {
get: function () {
return this._length;
},
},
});
/**
* Adds a primitive to the collection.
*
* @param {GroundPrimitive} primitive The primitive to add.
* @param {number} [zIndex = 0] The index of the primitive
* @returns {GroundPrimitive} The primitive added to the collection.
*/
OrderedGroundPrimitiveCollection.prototype.add = function (primitive, zIndex) {
//>>includeStart('debug', pragmas.debug);
Check.defined("primitive", primitive);
if (defined(zIndex)) {
Check.typeOf.number("zIndex", zIndex);
}
//>>includeEnd('debug');
zIndex = zIndex ?? 0;
let collection = this._collections[zIndex];
if (!defined(collection)) {
collection = new PrimitiveCollection({ destroyPrimitives: false });
collection._zIndex = zIndex;
this._collections[zIndex] = collection;
const array = this._collectionsArray;
let i = 0;
while (i < array.length && array[i]._zIndex < zIndex) {
i++;
}
array.splice(i, 0, collection);
}
collection.add(primitive);
this._length++;
primitive._zIndex = zIndex;
return primitive;
};
/**
* Adjusts the z-index
* @param {GroundPrimitive} primitive
* @param {number} zIndex
*/
OrderedGroundPrimitiveCollection.prototype.set = function (primitive, zIndex) {
//>>includeStart('debug', pragmas.debug);
Check.defined("primitive", primitive);
Check.typeOf.number("zIndex", zIndex);
//>>includeEnd('debug');
Iif (zIndex === primitive._zIndex) {
return primitive;
}
this.remove(primitive, true);
this.add(primitive, zIndex);
return primitive;
};
/**
* Removes a primitive from the collection.
*
* @param {object} primitive The primitive to remove.
* @param {boolean} [doNotDestroy = false]
* @returns {boolean} <code>true</code> if the primitive was removed; <code>false</code> if the primitive is <code>undefined</code> or was not found in the collection.
*/
OrderedGroundPrimitiveCollection.prototype.remove = function (
primitive,
doNotDestroy,
) {
if (this.contains(primitive)) {
const index = primitive._zIndex;
const collection = this._collections[index];
let result;
if (doNotDestroy) {
result = collection.remove(primitive);
} else {
result = collection.removeAndDestroy(primitive);
}
Eif (result) {
this._length--;
}
if (collection.length === 0) {
this._collectionsArray.splice(
this._collectionsArray.indexOf(collection),
1,
);
this._collections[index] = undefined;
collection.destroy();
}
return result;
}
return false;
};
/**
* Removes all primitives in the collection.
*
* @exception {DeveloperError} This object was destroyed, i.e., destroy() was called.
*
* @see OrderedGroundPrimitiveCollection#destroyPrimitives
*/
OrderedGroundPrimitiveCollection.prototype.removeAll = function () {
const collections = this._collectionsArray;
for (let i = 0; i < collections.length; i++) {
const collection = collections[i];
collection.destroyPrimitives = true;
collection.destroy();
}
this._collections = {};
this._collectionsArray = [];
this._length = 0;
};
/**
* Determines if this collection contains a primitive.
*
* @param {object} primitive The primitive to check for.
* @returns {boolean} <code>true</code> if the primitive is in the collection; <code>false</code> if the primitive is <code>undefined</code> or was not found in the collection.
*/
OrderedGroundPrimitiveCollection.prototype.contains = function (primitive) {
if (!defined(primitive)) {
return false;
}
const collection = this._collections[primitive._zIndex];
return defined(collection) && collection.contains(primitive);
};
/**
* @private
*/
OrderedGroundPrimitiveCollection.prototype.update = function (frameState) {
if (!this.show) {
return;
}
const collections = this._collectionsArray;
for (let i = 0; i < collections.length; i++) {
collections[i].update(frameState);
}
};
/**
* Returns true if this object was destroyed; otherwise, false.
* <br /><br />
* If this object was destroyed, it should not be used; calling any function other than
* <code>isDestroyed</code> will result in a {@link DeveloperError} exception.
*
* @returns {boolean} True if this object was destroyed; otherwise, false.
*
* @see OrderedGroundPrimitiveCollection#destroy
*/
OrderedGroundPrimitiveCollection.prototype.isDestroyed = function () {
return false;
};
/**
* Destroys the WebGL resources held by each primitive in this collection. Explicitly destroying this
* collection allows for deterministic release of WebGL resources, instead of relying on the garbage
* collector to destroy this collection.
* <br /><br />
* Since destroying a collection destroys all the contained primitives, only destroy a collection
* when you are sure no other code is still using any of the contained primitives.
* <br /><br />
* Once this collection is destroyed, it should not be used; calling any function other than
* <code>isDestroyed</code> will result in a {@link DeveloperError} exception. Therefore,
* assign the return value (<code>undefined</code>) to the object as done in the example.
*
* @exception {DeveloperError} This object was destroyed, i.e., destroy() was called.
*
*
* @example
* primitives = primitives && primitives.destroy();
*
* @see OrderedGroundPrimitiveCollection#isDestroyed
*/
OrderedGroundPrimitiveCollection.prototype.destroy = function () {
this.removeAll();
return destroyObject(this);
};
export default OrderedGroundPrimitiveCollection;
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