import {
FileLoader,
Group,
Loader,
LoadingManager
} from 'three';
import { ColladaLoader } from '../loaders/ColladaLoader.js';
import * as fflate from '../libs/fflate.module.js';
class KMZLoader extends Loader {
constructor( manager ) {
super( manager );
}
load( url, onLoad, onProgress, onError ) {
const scope = this;
const loader = new FileLoader( scope.manager );
loader.setPath( scope.path );
loader.setResponseType( 'arraybuffer' );
loader.setRequestHeader( scope.requestHeader );
loader.setWithCredentials( scope.withCredentials );
loader.load( url, function ( text ) {
try {
onLoad( scope.parse( text ) );
} catch ( e ) {
if ( onError ) {
onError( e );
} else {
console.error( e );
}
scope.manager.itemError( url );
}
}, onProgress, onError );
}
parse( data ) {
function findFile( url ) {
for ( const path in zip ) {
if ( path.slice( - url.length ) === url ) {
return zip[ path ];
}
}
}
const manager = new LoadingManager();
manager.setURLModifier( function ( url ) {
const image = findFile( url );
if ( image ) {
console.log( 'Loading', url );
const blob = new Blob( [ image.buffer ], { type: 'application/octet-stream' } );
return URL.createObjectURL( blob );
}
return url;
} );
//
const zip = fflate.unzipSync( new Uint8Array( data ) );
if ( zip[ 'doc.kml' ] ) {
const xml = new DOMParser().parseFromString( fflate.strFromU8( zip[ 'doc.kml' ] ), 'application/xml' );
const model = xml.querySelector( 'Placemark Model Link href' );
if ( model ) {
const loader = new ColladaLoader( manager );
return loader.parse( fflate.strFromU8( zip[ model.textContent ] ) );
}
} else {
console.warn( 'KMZLoader: Missing doc.kml file.' );
for ( const path in zip ) {
const extension = path.split( '.' ).pop().toLowerCase();
if ( extension === 'dae' ) {
const loader = new ColladaLoader( manager );
return loader.parse( fflate.strFromU8( zip[ path ] ) );
}
}
}
console.error( 'KMZLoader: Couldn\'t find .dae file.' );
return { scene: new Group() };
}
}
export { KMZLoader };
