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https://github.com/MapMakersAndProgrammers/alternativa3d-archive.git
synced 2025-10-26 09:49:07 -07:00
a3d7 (2.7) moved to another folder
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@@ -0,0 +1,295 @@
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package alternativa.engine3d.loaders.collada {
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import alternativa.engine3d.alternativa3d;
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/**
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* @private
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*/
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public class DaeDocument {
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use namespace collada;
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use namespace alternativa3d;
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public var scene:DaeVisualScene;
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/**
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* Файл коллады
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*/
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private var data:XML;
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// Словари для хранения соответствий id->DaeElement
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internal var sources:Object;
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internal var arrays:Object;
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internal var vertices:Object;
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internal var geometries:Object;
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internal var nodes:Object;
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internal var cameras:Object;
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internal var images:Object;
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internal var effects:Object;
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internal var controllers:Object;
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internal var samplers:Object;
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internal var alternativa3DObjects:Object;
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public var materials:Object;
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internal var logger:DaeLogger;
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public var versionMajor:uint;
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public var versionMinor:uint;
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public var alternativa3DExtensionVersionMajor:uint = 0;
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public var alternativa3DExtensionVersionMinor:uint = 0;
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public function DaeDocument(document:XML) {
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this.data = document;
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var versionComponents:Array = data.@version[0].toString().split(/[.,]/);
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versionMajor = parseInt(versionComponents[1], 10);
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versionMinor = parseInt(versionComponents[2], 10);
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logger = new DaeLogger();
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constructStructures();
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constructScenes();
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constructInstanceControllers();
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constructAnimations();
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constructAlternativa3DObjects();
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}
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private function isLocalURL(url:String):Boolean {
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return url.charAt(0) == "#";
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}
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private function getLocalID(url:XML):String {
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var path:String = url.toString();
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if (isLocalURL(path)) {
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var i:int = path.lastIndexOf("#");
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return (i >= 0) ? path.substring(i + 1) : null;
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} else {
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logger.logExternalError(url);
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return null;
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}
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}
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// Ищем объявления всех элементов и заполняем словари
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private function constructStructures():void {
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var element:XML;
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sources = new Object();
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arrays = new Object();
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for each (element in data..source) {
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// Собираем все <source>. В конструкторах заполняется словарь arrays
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var source:DaeSource = new DaeSource(element, this);
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if (source.id != null) {
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sources[source.id] = source;
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}
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}
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cameras = new Object();
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for each (element in data.library_cameras.camera) {
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// Собираем все <camera>.
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var camera:DaeCamera = new DaeCamera(element, this);
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if (camera.id != null) {
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cameras[camera.id] = camera;
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}
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}
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images = new Object();
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for each (element in data.library_images.image) {
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// Собираем все <image>.
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var image:DaeImage = new DaeImage(element, this);
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if (image.id != null) {
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images[image.id] = image;
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}
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}
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effects = new Object();
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for each (element in data.library_effects.effect) {
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// Собираем все <effect>. В конструкторах заполняется словарь images
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var effect:DaeEffect = new DaeEffect(element, this);
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if (effect.id != null) {
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effects[effect.id] = effect;
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}
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}
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materials = new Object();
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for each (element in data.library_materials.material) {
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// Собираем все <material>.
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var material:DaeMaterial = new DaeMaterial(element, this);
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if (material.id != null) {
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materials[material.id] = material;
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}
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}
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geometries = new Object();
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vertices = new Object();
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for each (element in data.library_geometries.geometry) {
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// Собираем все <geometry>. В конструкторах заполняется словарь vertices
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var geom:DaeGeometry = new DaeGeometry(element, this);
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if (geom.id != null) {
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geometries[geom.id] = geom;
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}
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}
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controllers = new Object();
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for each (element in data.library_controllers.controller) {
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// Собираем все <controllers>
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var controller:DaeController = new DaeController(element, this);
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if (controller.id != null) {
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controllers[controller.id] = controller;
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}
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}
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nodes = new Object();
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for each (element in data.library_nodes.node) {
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// Создаем только корневые ноды, остальные создаются рекурсивно в конструкторах
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var node:DaeNode = new DaeNode(element, this);
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if (node.id != null) {
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nodes[node.id] = node;
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}
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}
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}
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private function constructInstanceControllers():void {
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for each (var node:DaeNode in nodes) {
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var instanceControllerXML:XML = node.data.instance_controller[0];
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if (instanceControllerXML != null) {
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node.skinOrRootJoint = true;
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var instanceController:DaeInstanceController = new DaeInstanceController(instanceControllerXML, this, node);
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var jointNodes:Vector.<DaeNode> = instanceController.findRootJointNodes();
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var i:int;
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var count:int = jointNodes.length;
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if (count > 0) {
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var jointNode:DaeNode = jointNodes[0];
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jointNode.addInstanceController(instanceController);
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node.rootJoint = jointNode;
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for (i = 0; i < count; i++) {
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jointNodes[i].skinOrRootJoint = true;
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}
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}
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}
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}
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}
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private function constructScenes():void {
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var vsceneURL:XML = data.scene.instance_visual_scene.@url[0];
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var vsceneID:String = getLocalID(vsceneURL);
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for each (var element:XML in data.library_visual_scenes.visual_scene) {
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// Создаем visual_scene, в конструкторах создаются node
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var vscene:DaeVisualScene = new DaeVisualScene(element, this);
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if (vscene.id == vsceneID) {
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this.scene = vscene;
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}
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}
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if (vsceneID != null && scene == null) {
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logger.logNotFoundError(vsceneURL);
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}
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}
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private function constructAnimations():void {
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var element:XML;
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samplers = new Object();
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for each (element in data.library_animations..sampler) {
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// Собираем все <sampler>
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var sampler:DaeSampler = new DaeSampler(element, this);
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if (sampler.id != null) {
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samplers[sampler.id] = sampler;
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}
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}
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for each (element in data.library_animations..channel) {
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var channel:DaeChannel = new DaeChannel(element, this);
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var node:DaeNode = channel.node;
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if (node != null) {
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node.addChannel(channel);
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}
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}
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}
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private function constructAlternativa3DObjects():void {
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alternativa3DObjects = new Object();
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var alternativa3dXML:XML = data.extra.technique.(@profile = "Alternativa3D")[0];
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if (alternativa3dXML != null) {
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var versionComponents:Array = alternativa3dXML.version[0].text().toString().split(/[.,]/);
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alternativa3DExtensionVersionMajor = parseInt(versionComponents[0], 10);
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alternativa3DExtensionVersionMinor = parseInt(versionComponents[1], 10);
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var element:XML;
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var object:DaeAlternativa3DObject;
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for each (element in alternativa3dXML.library_containers.children()) {
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// контейнеры
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object = new DaeAlternativa3DObject(element, this);
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if (object.id != null) {
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alternativa3DObjects[object.id] = object;
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}
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}
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for each (element in alternativa3dXML.library_sprites.sprite) {
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// спрайты
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object = new DaeAlternativa3DObject(element, this);
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if (object.id != null) {
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alternativa3DObjects[object.id] = object;
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}
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}
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for each (element in alternativa3dXML.library_lods.lod) {
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// лоды
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object = new DaeAlternativa3DObject(element, this);
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if (object.id != null) {
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alternativa3DObjects[object.id] = object;
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}
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}
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} else {
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alternativa3DExtensionVersionMajor = alternativa3DExtensionVersionMinor = 0;
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}
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}
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public function findArray(url:XML):DaeArray {
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return arrays[getLocalID(url)];
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}
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public function findSource(url:XML):DaeSource {
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return sources[getLocalID(url)];
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}
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public function findCamera(url:XML):DaeCamera {
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return cameras[getLocalID(url)];
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}
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public function findImage(url:XML):DaeImage {
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return images[getLocalID(url)];
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}
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public function findImageByID(id:String):DaeImage {
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return images[id];
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}
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public function findEffect(url:XML):DaeEffect {
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return effects[getLocalID(url)];
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}
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public function findMaterial(url:XML):DaeMaterial {
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return materials[getLocalID(url)];
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}
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public function findVertices(url:XML):DaeVertices {
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return vertices[getLocalID(url)];
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}
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public function findGeometry(url:XML):DaeGeometry {
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return geometries[getLocalID(url)];
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}
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public function findNode(url:XML):DaeNode {
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return nodes[getLocalID(url)];
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}
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public function findNodeByID(id:String):DaeNode {
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return nodes[id];
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}
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public function findController(url:XML):DaeController {
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return controllers[getLocalID(url)];
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}
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public function findSampler(url:XML):DaeSampler {
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return samplers[getLocalID(url)];
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}
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public function findAlternativa3DObject(url:XML):DaeAlternativa3DObject {
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return alternativa3DObjects[getLocalID(url)];
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}
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}
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}
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