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Merged
merged 4 commits into from
Mar 31, 2021
Merged

Editor: Added ifc files support #21551

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bb832fd
WebIFC: Load wasm from same path.
mrdoob Mar 31, 2021
e52749e
IFCLoader: Use async/await to make sure the wasm is loaded at parse t…
mrdoob Mar 31, 2021
15d162b
Editor: Added ifc files support.
mrdoob Mar 31, 2021
d5c8253
Editor: Added IFCLoader to sw.js
mrdoob Mar 31, 2021
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17 changes: 17 additions & 0 deletions editor/js/Loader.js
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Original file line number Diff line number Diff line change
Expand Up @@ -347,6 +347,23 @@ function Loader( editor ) {

break;

case 'ifc':

reader.addEventListener( 'load', async function ( event ) {

var { IFCLoader } = await import( '../../examples/jsm/loaders/IFCLoader.js' );

var loader = new IFCLoader();
var scene = await loader.parse( event.target.result );

scene.name = filename;

editor.execute( new AddObjectCommand( editor, scene ) );

}, false );
reader.readAsArrayBuffer( file );

break;

case 'kmz':

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3 changes: 3 additions & 0 deletions editor/sw.js
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Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,9 @@ const assets = [
'../examples/jsm/loaders/FBXLoader.js',
'../examples/jsm/loaders/GLTFLoader.js',
'../examples/jsm/loaders/KMZLoader.js',
'../examples/jsm/loaders/IFCLoader.js',
'../examples/jsm/loaders/ifc/web-ifc-api.js',
'../examples/jsm/loaders/ifc/web-ifc.wasm',
'../examples/jsm/loaders/MD2Loader.js',
'../examples/jsm/loaders/OBJLoader.js',
'../examples/jsm/loaders/MTLLoader.js',
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157 changes: 79 additions & 78 deletions examples/jsm/loaders/IFCLoader.js
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,6 @@ import {
} from '../../../../build/three.module.js';

var ifcAPI = new IfcAPI();
ifcAPI.Init();

function IFCLoader( manager ) {

Expand All @@ -40,11 +39,11 @@ IFCLoader.prototype = Object.assign( Object.create( Loader.prototype ), {
loader.setWithCredentials( scope.withCredentials );
loader.load(
url,
function ( buffer ) {
async function ( buffer ) {

try {

onLoad( scope.parse( buffer ) );
onLoad( await scope.parse( buffer ) );

} catch ( e ) {

Expand All @@ -69,108 +68,110 @@ IFCLoader.prototype = Object.assign( Object.create( Loader.prototype ), {

},

parse: ( function () {
parse: async function ( buffer ) {

return function ( buffer ) {
if ( ifcAPI.wasmModule === undefined ) {

var data = new Uint8Array( buffer );
var modelID = ifcAPI.OpenModel( 'example.ifc', data );
return loadAllGeometry( modelID );
await ifcAPI.Init();

function loadAllGeometry( modelID ) {
}

var flatMeshes = getFlatMeshes( modelID );
var mainObject = new Object3D();
for ( var i = 0; i < flatMeshes.size(); i ++ ) {
var data = new Uint8Array( buffer );
var modelID = ifcAPI.OpenModel( 'example.ifc', data );
return loadAllGeometry( modelID );

var placedGeometries = flatMeshes.get( i ).geometries;
for ( var j = 0; j < placedGeometries.size(); j ++ )
mainObject.add( getPlacedGeometry( modelID, placedGeometries.get( j ) ) );
function loadAllGeometry( modelID ) {

}
var flatMeshes = getFlatMeshes( modelID );
var mainObject = new Object3D();
for ( var i = 0; i < flatMeshes.size(); i ++ ) {

return mainObject;
var placedGeometries = flatMeshes.get( i ).geometries;
for ( var j = 0; j < placedGeometries.size(); j ++ )
mainObject.add( getPlacedGeometry( modelID, placedGeometries.get( j ) ) );

}

function getFlatMeshes( modelID ) {
return mainObject;

var flatMeshes = ifcAPI.LoadAllGeometry( modelID );
return flatMeshes;
}

}
function getFlatMeshes( modelID ) {

function getPlacedGeometry( modelID, placedGeometry ) {
var flatMeshes = ifcAPI.LoadAllGeometry( modelID );
return flatMeshes;

var geometry = getBufferGeometry( modelID, placedGeometry );
var material = getMeshMaterial( placedGeometry.color );
var mesh = new Mesh( geometry, material );
mesh.matrix = getMeshMatrix( placedGeometry.flatTransformation );
mesh.matrixAutoUpdate = false;
return mesh;
}

}
function getPlacedGeometry( modelID, placedGeometry ) {

function getBufferGeometry( modelID, placedGeometry ) {

var geometry = ifcAPI.GetGeometry(
modelID,
placedGeometry.geometryExpressID
);
var verts = ifcAPI.GetVertexArray(
geometry.GetVertexData(),
geometry.GetVertexDataSize()
);
var indices = ifcAPI.GetIndexArray(
geometry.GetIndexData(),
geometry.GetIndexDataSize()
);
var bufferGeometry = ifcGeometryToBuffer( verts, indices );
return bufferGeometry;
var geometry = getBufferGeometry( modelID, placedGeometry );
var material = getMeshMaterial( placedGeometry.color );
var mesh = new Mesh( geometry, material );
mesh.matrix = getMeshMatrix( placedGeometry.flatTransformation );
mesh.matrixAutoUpdate = false;
return mesh;

}
}

function getMeshMaterial( color ) {
function getBufferGeometry( modelID, placedGeometry ) {

var col = new Color( color.x, color.y, color.z );
var material = new MeshPhongMaterial( { color: col, side: DoubleSide } );
material.transparent = color.w !== 1;
if ( material.transparent ) material.opacity = color.w;
return material;
var geometry = ifcAPI.GetGeometry(
modelID,
placedGeometry.geometryExpressID
);
var verts = ifcAPI.GetVertexArray(
geometry.GetVertexData(),
geometry.GetVertexDataSize()
);
var indices = ifcAPI.GetIndexArray(
geometry.GetIndexData(),
geometry.GetIndexDataSize()
);
var bufferGeometry = ifcGeometryToBuffer( verts, indices );
return bufferGeometry;

}
}

function getMeshMatrix( matrix ) {
function getMeshMaterial( color ) {

var mat = new Matrix4();
mat.fromArray( matrix );
// mat.elements[15 - 3] *= 0.001;
// mat.elements[15 - 2] *= 0.001;
// mat.elements[15 - 1] *= 0.001;
return mat;
var col = new Color( color.x, color.y, color.z );
var material = new MeshPhongMaterial( { color: col, side: DoubleSide } );
material.transparent = color.w !== 1;
if ( material.transparent ) material.opacity = color.w;
return material;

}
}

function ifcGeometryToBuffer( vertexData, indexData ) {

var geometry = new BufferGeometry();
var buffer32 = new InterleavedBuffer( vertexData, 6 );
geometry.setAttribute(
'position',
new InterleavedBufferAttribute( buffer32, 3, 0 )
);
geometry.setAttribute(
'normal',
new InterleavedBufferAttribute( buffer32, 3, 3 )
);
geometry.setIndex( new BufferAttribute( indexData, 1 ) );
return geometry;
function getMeshMatrix( matrix ) {

}
var mat = new Matrix4();
mat.fromArray( matrix );
// mat.elements[15 - 3] *= 0.001;
// mat.elements[15 - 2] *= 0.001;
// mat.elements[15 - 1] *= 0.001;
return mat;

}

function ifcGeometryToBuffer( vertexData, indexData ) {

var geometry = new BufferGeometry();
var buffer32 = new InterleavedBuffer( vertexData, 6 );
geometry.setAttribute(
'position',
new InterleavedBufferAttribute( buffer32, 3, 0 )
);
geometry.setAttribute(
'normal',
new InterleavedBufferAttribute( buffer32, 3, 3 )
);
geometry.setIndex( new BufferAttribute( indexData, 1 ) );
return geometry;

};
}

} )(),
}
} );

export { IFCLoader };
3 changes: 2 additions & 1 deletion examples/jsm/loaders/ifc/web-ifc-api.js
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Original file line number Diff line number Diff line change
Expand Up @@ -539,7 +539,8 @@ var require_web_ifc = __commonJS((exports, module) => {
function isFileURI(filename) {
return hasPrefix(filename, fileURIPrefix);
}
var wasmBinaryFile = "jsm/loaders/ifc/web-ifc.wasm";
var path = import.meta.url.substring(0, import.meta.url.lastIndexOf("/")+1);
var wasmBinaryFile = path + "web-ifc.wasm";
if (!isDataURI(wasmBinaryFile)) {
wasmBinaryFile = locateFile(wasmBinaryFile);
}
Expand Down