Add IFC loader

Signed-off-by: Vincent Petry <[email protected]>

lib/AppInfo/Application.php

@@ -60,6 +60,7 @@ public function register() {
  $mimeTypeDetector->registerType('stl', 'application/sla', null);
  // There is no standard type for gcode, therefore we use cura's mimetype for gcode
  $mimeTypeDetector->registerType('gcode', 'text/x-gcode', null);
+ $mimeTypeDetector->registerType('ifc', 'application/x-step', null);
 
  // Watch Viewer load event
  $eventDispatcher->addServiceListener(LoadViewer::class, LoadFiles3dScript::class);

lib/Listener/CSPListener.php

@@ -39,6 +39,7 @@ public function handle(Event $event): void {
 
  $csp = new ContentSecurityPolicy();
  $csp->addAllowedConnectDomain('data:');
+ $csp->allowEvalScript(true); // required for IFC
 
  $event->addPolicy($csp);
  }

lib/Migration/AddMimetypeToFilecache.php

@@ -29,6 +29,7 @@ public function run(IOutput $output) {
  'stl' => 'application/sla',
  'ply' => 'model/vnd.ply',
  'gcode' => 'text/x-gcode',
+ 'ifc' => 'application/x-step',
  ];
  foreach($mimes as $ext => $mime) {
  $mimetypeId = $this->mimeTypeLoader->getId($mime);

src/components/Files3d.vue

@@ -52,7 +52,8 @@ import { MTLLoader } from 'three/examples/jsm/loaders/MTLLoader.js'
 import { OBJLoader } from 'three/examples/jsm/loaders/OBJLoader.js'
 import { PLYLoader } from 'three/examples/jsm/loaders/PLYLoader.js'
 import { STLLoader } from 'three/examples/jsm/loaders/STLLoader.js'
-import { VertexNormalsHelper } from 'three/examples/jsm/helpers/VertexNormalsHelper.js';
+import { IFCLoader } from 'three/examples/jsm/loaders/IFCLoader.js'
+import { VertexNormalsHelper } from 'three/examples/jsm/helpers/VertexNormalsHelper.js'
 import { GUI } from 'lil-gui'
 
 export default {
@@ -230,6 +231,9 @@ export default {
  case 'text/x-gcode':
  this.showGcode(this.davPath)
  break
+ case 'application/x-step':
+ this.showIfc(this.davPath)
+ break
  }
  },
  showCollada(path) {
@@ -357,6 +361,17 @@ export default {
  event => { // onError
  })
  },
+ showIfc(path) {
+ const loader = new IFCLoader()
+ loader.load(path, data => {
+ const gltf = data
+ const object = gltf.scene
+ this.addModelToScene(object, gltf.animations)
+ }, event => { // onProgress
+ }, error => { // onError
+ console.error(error)
+ })
+ },
  addModelToScene(model, animations) {
  // Play first animation if available
  const anim = animations || model.animations

src/main.js

@@ -48,6 +48,7 @@ if (OCA.Viewer) {
  // PLY has no mime
  'model/vnd.ply',
  'text/x-gcode',
+ 'application/x-step',
  ],
 
  // your vue component view