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obj2gltf
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Added test

This commit is contained in:
Sean Lilley 2018-10-29 17:46:53 -04:00
parent 9cc1ba8ec5
commit 1bca54c376
4 changed files with 156 additions and 0 deletions
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13
specs/data/box-mixed-attributes-2/box-mixed-attributes-2.mtl Normal file
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@ -0,0 +1,13 @@
# Blender MTL File: 'None'
# Material Count: 1
newmtl Material
Ns 96.078431
Ka 0.100000 0.000000 0.000000
Kd 0.640000 0.640000 0.640000
Ks 0.500000 0.500000 0.500000
Ke 0.000000 0.000000 0.100000
Ni 1.000000
d 1.000000
illum 2
map_Kd cesium.png

67
specs/data/box-mixed-attributes-2/box-mixed-attributes-2.obj Normal file
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@ -0,0 +1,67 @@
# Blender v2.78 (sub 0) OBJ File: ''
# www.blender.org
mtllib box-mixed-attributes-2.mtl
o Cube
v -1.000000 -1.000000 1.000000
v -1.000000 1.000000 1.000000
v -1.000000 -1.000000 -1.000000
v -1.000000 1.000000 -1.000000
v 1.000000 -1.000000 1.000000
v 1.000000 1.000000 1.000000
v 1.000000 -1.000000 -1.000000
v 1.000000 1.000000 -1.000000
vt 0.0000 0.0000
vt 1.0000 0.0000
vt 1.0000 1.0000
vt 0.0000 1.0000
vt 0.0000 0.0000
vt 1.0000 0.0000
vt 1.0000 1.0000
vt 0.0000 1.0000
vt 0.0000 0.0000
vt 1.0000 0.0000
vt 1.0000 1.0000
vt 0.0000 1.0000
vt 0.0000 0.0000
vt 1.0000 0.0000
vt 1.0000 1.0000
vt 0.0000 1.0000
vt 1.0000 0.0000
vt 1.0000 1.0000
vt 0.0000 0.0000
vt 0.0000 1.0000
vn -1.0000 0.0000 0.0000
vn 0.0000 0.0000 -1.0000
vn 1.0000 0.0000 0.0000
vn 0.0000 0.0000 1.0000
vn 0.0000 -1.0000 0.0000
vn 0.0000 1.0000 0.0000
# Using default material
f 1/1/1 2/2/1 4/3/1 3/4/1
f 3/5/2 4/6/2 8/7/2 7/8/2
f 7/9 8/10 6/11 5/12
f 5/13 6/14 2/15 1/16
f 3//5 7//5 5//5 1//5
f 8//6 4//6 2//6 6//6
usemtl Material
f 1/1/1 2/2/1 4/3/1 3/4/1
f 3/5/2 4/6/2 8/7/2 7/8/2
f 7/9 8/10 6/11 5/12
f 5/13 6/14 2/15 1/16
f 3//5 7//5 5//5 1//5
f 8//6 4//6 2//6 6//6
usemtl Missing
f 1/1/1 2/2/1 4/3/1 3/4/1
f 3/5/2 4/6/2 8/7/2 7/8/2
f 7/9 8/10 6/11 5/12
f 5/13 6/14 2/15 1/16
f 3//5 7//5 5//5 1//5
f 8//6 4//6 2//6 6//6
o CubeCopy
usemtl Material
f 1/1/1 2/2/1 4/3/1 3/4/1
f 3/5/2 4/6/2 8/7/2 7/8/2
f 7/9 8/10 6/11 5/12
f 5/13 6/14 2/15 1/16
f 3//5 7//5 5//5 1//5
f 8//6 4//6 2//6 6//6

BIN
specs/data/box-mixed-attributes-2/cesium.png Normal file
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76
specs/lib/createGltfSpec.js
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@ -4,14 +4,17 @@ var Promise = require('bluebird');
var obj2gltf = require('../../lib/obj2gltf');
var createGltf = require('../../lib/createGltf');
var loadObj = require('../../lib/loadObj');
var getDefaultMaterial = require('../../lib/loadMtl').getDefaultMaterial;
var clone = Cesium.clone;
var defined = Cesium.defined;
var WebGLConstants = Cesium.WebGLConstants;
var boxObjPath = 'specs/data/box/box.obj';
var groupObjPath = 'specs/data/box-objects-groups-materials/box-objects-groups-materials.obj';
var complexObjPath = 'specs/data/box-complex-material/box-complex-material.obj';
var noMaterialsObjPath = 'specs/data/box-no-materials/box-no-materials.obj';
var mixedAttributesObjPath = 'specs/data/box-mixed-attributes-2/box-mixed-attributes-2.obj';
var options;
@ -20,6 +23,7 @@ describe('createGltf', function() {
var groupObjData;
var complexObjData;
var noMaterialsObjData;
var mixedAttributesObjData;
beforeEach(function(done) {
options = clone(obj2gltf.defaults);
@ -42,6 +46,10 @@ describe('createGltf', function() {
loadObj(noMaterialsObjPath, options)
.then(function(data) {
noMaterialsObjData = data;
}),
loadObj(mixedAttributesObjPath, options)
.then(function(data) {
mixedAttributesObjData = data;
})
]).then(done);
});
@ -163,6 +171,74 @@ describe('createGltf', function() {
expect(attributes.TEXCOORD_0).toBeUndefined();
});
it('splits incompatible materials', function() {
var gltf = createGltf(mixedAttributesObjData, options);
var materials = gltf.materials;
var meshes = gltf.meshes;
var i;
var material;
var referenceMaterial = mixedAttributesObjData.materials[0];
delete referenceMaterial.name;
referenceMaterial.pbrMetallicRoughness.baseColorTexture = {
index : 0
};
var referenceMaterialNoTextures = clone(referenceMaterial, true);
referenceMaterialNoTextures.pbrMetallicRoughness.baseColorTexture = undefined;
var defaultMaterial = getDefaultMaterial(options);
delete defaultMaterial.name;
var materialNames = materials.map(function(material) {
var name = material.name;
delete material.name;
return name;
});
// Expect three copies of each material for
// * positions/normals/uvs
// * positions/normals
// * positions/uvs
expect(materialNames).toEqual([
'default',
'default-2',
'default-3',
'Material',
'Material-2',
'Material-3',
'Missing',
'Missing-2',
'Missing-3'
]);
expect(materials.length).toBe(9);
expect(materials[0]).toEqual(defaultMaterial);
expect(materials[1]).toEqual(defaultMaterial);
expect(materials[2]).toEqual(defaultMaterial);
expect(materials[3]).toEqual(referenceMaterial);
expect(materials[4]).toEqual(referenceMaterial);
expect(materials[5]).toEqual(referenceMaterialNoTextures);
expect(materials[6]).toEqual(defaultMaterial);
expect(materials[7]).toEqual(defaultMaterial);
expect(materials[8]).toEqual(defaultMaterial);
// Test that primitives without uvs reference materials without textures
var meshesLength = meshes.length;
for (i = 0; i < meshesLength; ++i) {
var mesh = meshes[i];
var primitives = mesh.primitives;
var primitivesLength = primitives.length;
for (var j = 0; j < primitivesLength; ++j) {
var primitive = primitives[j];
material = materials[primitive.material];
if (!defined(primitive.attributes.TEXCOORD_0)) {
expect(material.pbrMetallicRoughness.baseColorTexture).toBeUndefined();
}
}
}
});
function expandObjData(objData, duplicatesLength) {
var primitive = objData.nodes[0].meshes[0].primitives[0];
var indices = primitive.indices;