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obj2gltf
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Fixed normalizing Windows paths

This commit is contained in:
Sean Lilley 2018-08-30 10:42:10 -04:00
parent 26526c0f51
commit 26db16d892
8 changed files with 156 additions and 86 deletions
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34
lib/loadMtl.js
View File

@ -81,19 +81,15 @@ function loadMtl(mtlPath, options) {
materials.push(material);
}
/**
* Removes texture options from texture name
* NOTE: assumes no spaces in texture name
*
* @param {String} name
* @returns {String} The clean texture name
*/
function cleanTextureName (name) {
function normalizeTexturePath(texturePath, mtlDirectory) {
// Removes texture options from texture name
// Assumes no spaces in texture name
var re = /-(bm|t|s|o|blendu|blendv|boost|mm|texres|clamp|imfchan|type)/;
if (re.test(name)) {
return name.split(/\s+/).pop();
if (re.test(texturePath)) {
texturePath = texturePath.split(/\s+/).pop();
}
return name;
texturePath = texturePath.replace(/\\/g, '/');
return path.normalize(path.join(mtlDirectory, texturePath));
}
function parseLine(line) {
@ -144,31 +140,31 @@ function loadMtl(mtlPath, options) {
material.alpha = correctAlpha(1.0 - parseFloat(value));
} else if (/^map_Ka /i.test(line)) {
if (!defined(overridingAmbientTexture)) {
material.ambientTexture = path.resolve(mtlDirectory, cleanTextureName(line.substring(7).trim()));
material.ambientTexture = normalizeTexturePath(line.substring(7).trim(), mtlDirectory);
}
} else if (/^map_Ke /i.test(line)) {
if (!defined(overridingEmissiveTexture)) {
material.emissiveTexture = path.resolve(mtlDirectory, cleanTextureName(line.substring(7).trim()));
material.emissiveTexture = normalizeTexturePath(line.substring(7).trim(), mtlDirectory);
}
} else if (/^map_Kd /i.test(line)) {
if (!defined(overridingDiffuseTexture)) {
material.diffuseTexture = path.resolve(mtlDirectory, cleanTextureName(line.substring(7).trim()));
material.diffuseTexture = normalizeTexturePath(line.substring(7).trim(), mtlDirectory);
}
} else if (/^map_Ks /i.test(line)) {
if (!defined(overridingSpecularTexture)) {
material.specularTexture = path.resolve(mtlDirectory, cleanTextureName(line.substring(7).trim()));
material.specularTexture = normalizeTexturePath(line.substring(7).trim(), mtlDirectory);
}
} else if (/^map_Ns /i.test(line)) {
if (!defined(overridingSpecularShininessTexture)) {
material.specularShininessTexture = path.resolve(mtlDirectory, cleanTextureName(line.substring(7).trim()));
material.specularShininessTexture = normalizeTexturePath(line.substring(7).trim(), mtlDirectory);
}
} else if (/^map_Bump /i.test(line)) {
if (!defined(overridingNormalTexture)) {
material.normalTexture = path.resolve(mtlDirectory, cleanTextureName(line.substring(9).trim()));
material.normalTexture = normalizeTexturePath(line.substring(9).trim(), mtlDirectory);
}
} else if (/^map_d /i.test(line)) {
if (!defined(overridingAlphaTexture)) {
material.alphaTexture = path.resolve(mtlDirectory, cleanTextureName(line.substring(6).trim()));
material.alphaTexture = normalizeTexturePath(line.substring(6).trim(), mtlDirectory);
}
}
}
@ -244,7 +240,7 @@ function loadMaterialTexture(material, name, textureOptions, mtlDirectory, textu
var texturePromise = texturePromiseMap[texturePath];
if (!defined(texturePromise)) {
var shallowPath = path.resolve(path.join(mtlDirectory, path.basename(texturePath)));
var shallowPath = path.join(mtlDirectory, path.basename(texturePath));
if (options.secure && outsideDirectory(texturePath, mtlDirectory)) {
// Try looking for the texture in the same directory as the obj
options.logger('Texture file is outside of the mtl directory and the secure flag is true. Attempting to read the texture file from within the obj directory instead.');

9
lib/loadObj.js
View File

@ -540,6 +540,11 @@ function finishLoading(nodes, mtlPaths, objPath, options) {
});
}
function normalizeMtlPath(mtlPath, objDirectory) {
mtlPath = mtlPath.replace(/\\/g, '/');
return path.normalize(path.join(objDirectory, mtlPath));
}
function loadMtls(mtlPaths, objPath, options) {
var objDirectory = path.dirname(objPath);
var materials = [];
@ -550,8 +555,8 @@ function loadMtls(mtlPaths, objPath, options) {
});
return Promise.map(mtlPaths, function(mtlPath) {
mtlPath = path.resolve(objDirectory, mtlPath);
var shallowPath = path.resolve(path.join(objDirectory, path.basename(mtlPath)));
mtlPath = normalizeMtlPath(mtlPath, objDirectory);
var shallowPath = path.join(objDirectory, path.basename(mtlPath));
if (options.secure && outsideDirectory(mtlPath, objDirectory)) {
// Try looking for the .mtl in the same directory as the obj
options.logger('The material file is outside of the obj directory and the secure flag is true. Attempting to read the material file from within the obj directory instead.');

38
specs/data/box-texture-options/box-texture-options.mtl
View File

@ -1,19 +1,19 @@
# Blender MTL File: 'box.blend'
# Material Count: 1
newmtl Material
Ns 96.078431
Ka 0.200000 0.200000 0.200000
Kd 0.640000 0.640000 0.640000
Ks 0.500000 0.500000 0.500000
Ke 0.100000 0.100000 0.100000
Ni 1.000000
d 0.900000
Tr 0.100000
map_Ka -s 1.0 1.0 1.0 -o 0.0 0.0 0.0 ambient.gif
map_Ke -s 1.0 1.0 1.0 -o 0.0 0.0 0.0 emission.jpg
map_Kd -s 1.0 1.0 1.0 -o 0.0 0.0 0.0 diffuse.png
map_Ks -s 1.0 1.0 1.0 -o 0.0 0.0 0.0 specular.jpeg
map_Ns -s 1.0 1.0 1.0 -o 0.0 0.0 0.0 shininess.png
map_Bump -bm 0.2 bump.png
illum 2
# Blender MTL File: 'box.blend'
# Material Count: 1
newmtl Material
Ns 96.078431
Ka 0.200000 0.200000 0.200000
Kd 0.640000 0.640000 0.640000
Ks 0.500000 0.500000 0.500000
Ke 0.100000 0.100000 0.100000
Ni 1.000000
d 0.900000
Tr 0.100000
map_Ka -s 1.0 1.0 1.0 -o 0.0 0.0 0.0 ambient.gif
map_Ke -s 1.0 1.0 1.0 -o 0.0 0.0 0.0 emission.jpg
map_Kd -s 1.0 1.0 1.0 -o 0.0 0.0 0.0 diffuse.png
map_Ks -s 1.0 1.0 1.0 -o 0.0 0.0 0.0 specular.jpeg
map_Ns -s 1.0 1.0 1.0 -o 0.0 0.0 0.0 shininess.png
map_Bump -bm 0.2 bump.png
illum 2

92
specs/data/box-texture-options/box-texture-options.obj
View File

@ -1,46 +1,46 @@
# Blender v2.78 (sub 0) OBJ File: 'box.blend'
# www.blender.org
mtllib box-texture-options.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
usemtl Material
s off
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 7/9/3 8/10/3 6/11/3 5/12/3
f 5/13/4 6/14/4 2/15/4 1/16/4
f 3/5/5 7/17/5 5/18/5 1/16/5
f 8/19/6 4/6/6 2/15/6 6/20/6
# Blender v2.78 (sub 0) OBJ File: 'box.blend'
# www.blender.org
mtllib box-texture-options.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
usemtl Material
s off
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 7/9/3 8/10/3 6/11/3 5/12/3
f 5/13/4 6/14/4 2/15/4 1/16/4
f 3/5/5 7/17/5 5/18/5 1/16/5
f 8/19/6 4/6/6 2/15/6 6/20/6

46
specs/data/box-windows-paths/box-windows-paths.obj Normal file
View File

@ -0,0 +1,46 @@
# Blender v2.78 (sub 0) OBJ File: 'box.blend'
# www.blender.org
mtllib materials\\box-windows-paths.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
usemtl Material
s off
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 7/9/3 8/10/3 6/11/3 5/12/3
f 5/13/4 6/14/4 2/15/4 1/16/4
f 3/5/5 7/17/5 5/18/5 1/16/5
f 8/19/6 4/6/6 2/15/6 6/20/6

13
specs/data/box-windows-paths/materials/box-windows-paths.mtl Normal file
View File

@ -0,0 +1,13 @@
# Blender MTL File: 'box.blend'
# Material Count: 1
newmtl Material
Ns 96.078431
Ka 0.000000 0.000000 0.000000
Kd 0.640000 0.640000 0.640000
Ks 0.500000 0.500000 0.500000
Ke 0.000000 0.000000 0.000000
Ni 1.000000
d 1.000000
illum 2
map_Kd .\images\cesium.png

BIN
specs/data/box-windows-paths/materials/images/cesium.png Normal file
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Binary file not shown.
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After

Width:  |  Height:  |  Size: 7.5 KiB

10
specs/lib/loadObjSpec.js
View File

@ -34,6 +34,7 @@ var objExternalResourcesInRootPath = 'specs/data/box-external-resources-in-root/
var objTexturedPath = 'specs/data/box-textured/box-textured.obj';
var objMissingTexturePath = 'specs/data/box-missing-texture/box-missing-texture.obj';
var objSubdirectoriesPath = 'specs/data/box-subdirectories/box-textured.obj';
var objWindowsPaths = 'specs/data/box-windows-paths/box-windows-paths.obj';
var objInvalidContentsPath = 'specs/data/box/box.mtl';
var objConcavePath = 'specs/data/concave/concave.obj';
var objUnnormalizedPath = 'specs/data/box-unnormalized/box-unnormalized.obj';
@ -478,6 +479,15 @@ describe('loadObj', function() {
}), done).toResolve();
});
it('loads obj with windows paths', function(done) {
expect(loadObj(objWindowsPaths, options)
.then(function(data) {
var baseColorTexture = data.materials[0].pbrMetallicRoughness.baseColorTexture;
expect(baseColorTexture.name).toBe('cesium');
expect(baseColorTexture.source).toBeDefined();
}), done).toResolve();
});
it('throws when file has invalid contents', function(done) {
expect(loadObj(objInvalidContentsPath, options), done).toRejectWith(RuntimeError);
});