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Port over #116
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@ -8,6 +8,7 @@ Change Log
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* Fixed handling of unnormalized input normals. [#163](https://github.com/AnalyticalGraphicsInc/obj2gltf/pull/163)
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* Added ability to use the first material in the mtl file when the obj is missing `usemtl`. [#163](https://github.com/AnalyticalGraphicsInc/obj2gltf/pull/163)
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* Fixed loading faces that contain less than 3 vertices. [#163](https://github.com/AnalyticalGraphicsInc/obj2gltf/pull/163)
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* Fixed loading mtllib paths that contain spaces. [#163](https://github.com/AnalyticalGraphicsInc/obj2gltf/pull/163)
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### 1.3.4 2018-10-16
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@ -346,8 +346,8 @@ function loadObj(objPath, options) {
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var materialName = line.substring(7).trim();
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useMaterial(materialName);
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} else if (/^mtllib/i.test(line)) {
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var paths = line.substring(7).trim().split(' ');
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mtlPaths = mtlPaths.concat(paths);
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var mtllibLine = line.substring(7).trim();
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mtlPaths = mtlPaths.concat(getMtlPaths(mtllibLine));
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} else if ((result = vertexPattern.exec(line)) !== null) {
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var position = scratchCartesian;
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position.x = parseFloat(result[1]);
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@ -419,6 +419,23 @@ function loadObj(objPath, options) {
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});
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}
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function getMtlPaths(mtllibLine) {
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// Handle paths with spaces. E.g. mtllib my material file.mtl
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var mtlPaths = [];
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var splits = mtllibLine.split(' ');
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var length = splits.length;
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var startIndex = 0;
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for (var i = 0; i < length; ++i) {
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if (path.extname(splits[i]) !== '.mtl') {
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continue;
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}
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var mtlPath = splits.slice(startIndex, i + 1).join(' ');
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mtlPaths.push(mtlPath);
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startIndex = i + 1;
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}
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return mtlPaths;
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}
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function finishLoading(nodes, mtlPaths, objPath, usesMaterials, options) {
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nodes = cleanNodes(nodes);
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if (nodes.length === 0) {
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12
specs/data/box-mtllib-spaces/box mtllib blue.mtl
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specs/data/box-mtllib-spaces/box mtllib blue.mtl
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@ -0,0 +1,12 @@
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# Blender MTL File: 'box-multiple-materials.blend'
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# Material Count: 1
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newmtl Blue
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Ns 96.078431
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Ka 0.000000 0.000000 0.000000
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Kd 0.000000 0.000000 0.640000
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Ks 0.500000 0.500000 0.500000
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Ke 0.000000 0.000000 0.000000
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Ni 1.000000
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d 1.000000
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illum 2
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specs/data/box-mtllib-spaces/box mtllib green.mtl
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specs/data/box-mtllib-spaces/box mtllib green.mtl
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@ -0,0 +1,12 @@
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# Blender MTL File: 'box-multiple-materials.blend'
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# Material Count: 1
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newmtl Green
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Ns 96.078431
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Ka 0.000000 0.000000 0.000000
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Kd 0.000000 0.640000 0.000000
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Ks 0.500000 0.500000 0.500000
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Ke 0.000000 0.000000 0.000000
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Ni 1.000000
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d 1.000000
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illum 2
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specs/data/box-mtllib-spaces/box mtllib red.mtl
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specs/data/box-mtllib-spaces/box mtllib red.mtl
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@ -0,0 +1,12 @@
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# Blender MTL File: 'box-multiple-materials.blend'
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# Material Count: 1
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newmtl Red
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Ns 96.078431
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Ka 0.000000 0.000000 0.000000
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Kd 0.640000 0.000000 0.000000
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Ks 0.500000 0.500000 0.500000
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Ke 0.000000 0.000000 0.000000
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Ni 1.000000
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d 1.000000
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illum 2
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50
specs/data/box-mtllib-spaces/box mtllib.obj
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specs/data/box-mtllib-spaces/box mtllib.obj
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@ -0,0 +1,50 @@
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# Blender v2.78 (sub 0) OBJ File: 'box-multiple-materials.blend'
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# www.blender.org
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mtllib box mtllib red.mtl
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mtllib box mtllib green.mtl box mtllib blue.mtl
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v -1.000000 -1.000000 1.000000
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v -1.000000 1.000000 1.000000
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v -1.000000 -1.000000 -1.000000
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v -1.000000 1.000000 -1.000000
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v 1.000000 -1.000000 1.000000
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v 1.000000 1.000000 1.000000
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v 1.000000 -1.000000 -1.000000
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v 1.000000 1.000000 -1.000000
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vt 0.0000 0.0000
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vt 1.0000 0.0000
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vt 1.0000 1.0000
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vt 0.0000 1.0000
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vt 0.0000 0.0000
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vt 1.0000 0.0000
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vt 1.0000 1.0000
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vt 0.0000 1.0000
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vt 0.0000 0.0000
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vt 1.0000 0.0000
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vt 1.0000 1.0000
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vt 0.0000 1.0000
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vt 0.0000 0.0000
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vt 1.0000 0.0000
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vt 1.0000 1.0000
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vt 0.0000 1.0000
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vt 1.0000 1.0000
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vt 0.0000 1.0000
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vt 0.0000 0.0000
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vt 1.0000 0.0000
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vn 0.0000 -1.0000 0.0000
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vn 0.0000 1.0000 0.0000
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vn -1.0000 0.0000 0.0000
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vn 1.0000 0.0000 0.0000
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vn 0.0000 0.0000 -1.0000
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vn 0.0000 0.0000 1.0000
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usemtl Red
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f 3/1/1 7/2/1 5/3/1 1/4/1
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usemtl Green
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f 1/9/3 2/10/3 4/11/3 3/12/3
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usemtl Blue
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f 3/1/5 4/6/5 8/17/5 7/18/5
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usemtl Red
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f 8/5/2 4/6/2 2/7/2 6/8/2
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usemtl Green
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f 7/13/4 8/14/4 6/15/4 5/16/4
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usemtl Blue
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f 5/19/6 6/20/6 2/7/6 1/4/6
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@ -27,6 +27,7 @@ var objNoMaterialsUrl = 'specs/data/box-no-materials/box-no-materials.obj';
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var objMultipleMaterialsUrl = 'specs/data/box-multiple-materials/box-multiple-materials.obj';
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var objUncleanedUrl = 'specs/data/box-uncleaned/box-uncleaned.obj';
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var objMtllibUrl = 'specs/data/box-mtllib/box-mtllib.obj';
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var objMtllibSpacesUrl = 'specs/data/box-mtllib-spaces/box mtllib.obj';
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var objMissingMtllibUrl = 'specs/data/box-missing-mtllib/box-missing-mtllib.obj';
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var objMissingUsemtlUrl = 'specs/data/box-missing-usemtl/box-missing-usemtl.obj';
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var objExternalResourcesUrl = 'specs/data/box-external-resources/box-external-resources.obj';
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@ -313,6 +314,17 @@ describe('loadObj', function() {
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}), done).toResolve();
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});
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it('loads obj with mtllib paths with spaces', function(done) {
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expect(loadObj(objMtllibSpacesUrl, defaultOptions)
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.then(function(data) {
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var materials = data.materials;
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expect(Object.keys(materials).length).toBe(3);
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expect(materials['Blue'].diffuseColor).toEqual([0.0, 0.0, 0.64, 1.0]);
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expect(materials['Green'].diffuseColor).toEqual([0.0, 0.64, 0.0, 1.0]);
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expect(materials['Red'].diffuseColor).toEqual([0.64, 0.0, 0.0, 1.0]);
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}), done).toResolve();
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});
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it('loads obj with missing mtllib', function(done) {
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expect(loadObj(objMissingMtllibUrl, defaultOptions)
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.then(function(data) {
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