Update document and version.

Flat normals calculation of obj without normals

.bintray.in

@@ -0,0 +1,37 @@
+{
+    /* Bintray package information.
+       In case the package already exists on Bintray, only the name, repo and subject
+       fields are mandatory. */
+
+    "package": {
+        "name": "releases", // Bintray package name
+        "repo": "tinyobjloader", // Bintray repository name
+        "subject": "syoyo" // Bintray subject (user or organization)
+    },
+
+    /* Package version information.
+       In case the version already exists on Bintray, only the name fields is mandatory. */
+
+    "version": {
+        "name": "@VERSION@",
+        "desc": "@VERSION@",
+        "released": "@DATE@",
+        "vcs_tag": "@VERSION@",
+        "gpgSign": false
+    },
+
+    /* Configure the files you would like to upload to Bintray and their upload path.
+    You can define one or more groups of patterns.
+    Each group contains three patterns:
+
+    includePattern: Pattern in the form of Ruby regular expression, indicating the path of files to be uploaded to Bintray.
+    excludePattern: Optional. Pattern in the form of Ruby regular expression, indicating the path of files to be removed from the list of files specified by the includePattern.
+    uploadPattern: Upload path on Bintray. The path can contain symbols in the form of $1, $2,... that are replaced with capturing groups defined in the include pattern.
+
+    Note: Regular expressions defined as part of the includePattern property must be wrapped with brackets. */
+
+    "files":
+        [ {"includePattern": "dist/(.*)", "uploadPattern": "$1"} ],
+    "publish": true
+}
+

.travis.yml

@@ -15,7 +15,7 @@ matrix:
         - g++-4.9
         - clang-3.7
     compiler: clang
-    env: COMPILER_VERSION=3.7 BUILD_TYPE=Debug
+    env: DEPLOY_BUILD=1 COMPILER_VERSION=3.7 BUILD_TYPE=Debug
   - addons: *1
     compiler: clang
     env: COMPILER_VERSION=3.7 BUILD_TYPE=Release
@@ -51,13 +51,35 @@ script:
   ..
 - ninja
 - ./test_loader ../cornell_box.obj
-- if [ -n "$REPORT_COVERAGE" ]; then coveralls -b . -r . -e examples -e tools -e jni
+- if [ -n "$REPORT_COVERAGE" ]; then coveralls -b . -r .. -e examples -e tools -e
-  -e python -e images -E ".*CompilerId.*"; fi
+  jni -e python -e images -E ".*CompilerId.*" -E ".*feature_tests.*" ; fi
+- cd ..
+- rm -rf dist
+- mkdir dist
+- cp tiny_obj_loader.h dist/
+
+before_deploy:
+  - echo "Creating description file for bintray."
+  - ./tools/travis_postbuild.sh
+
 deploy:
-  provider: releases
+  - provider: bintray
-  api_key:
+    file: ".bintray.json"
-    secure: 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
+    user: "syoyo"
-  file: tiny_obj_loader.h
+    key:
-  on:
+      secure: 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
-    repo: syoyo/tinyobjloader
+    all_branches: true
-    tags: true
+    on:
+      repo: syoyo/tinyobjloader
+      condition: -n "$DEPLOY_BUILD"
+      tags: true
+    skip_cleanup: true
+  - provider: releases
+    api_key:
+      secure: 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
+    file: tiny_obj_loader.h
+    all_branches: true
+    on:
+      repo: syoyo/tinyobjloader
+      tags: true
+    skip_cleanup: true

README.md

@@ -13,7 +13,7 @@ tinyobjloader
 
 http://syoyo.github.io/tinyobjloader/
 
-Tiny but poweful single file wavefront obj loader written in C++. No dependency except for C++ STL. It can parse 10M over polygons with moderate memory and time.
+Tiny but powerful single file wavefront obj loader written in C++. No dependency except for C++ STL. It can parse 10M over polygons with moderate memory and time.
 
 `tinyobjloader` is good for embedding .obj loader to your (global illumination) renderer ;-)
 
@@ -21,6 +21,7 @@ Tiny but poweful single file wavefront obj loader written in C++. No dependency
 What's new
 ----------
 
+* Mar 13, 2016 : Introduce `load_flag_t` and flat normal calculation flag! Thanks Vazquinhos!
 * Jan 29, 2016 : Support n-polygon(no triangulation) and OpenSubdiv crease tag! Thanks dboogert!
 * Nov 26, 2015 : Now single-header only!.
 * Nov 08, 2015 : Improved API.
@@ -50,15 +51,16 @@ Use case
 TinyObjLoader is successfully used in ...
 
 * bullet3 https://github.com/erwincoumans/bullet3
-* pbrt-v2 https://https://github.com/mmp/pbrt-v2
+* pbrt-v2 https://github.com/mmp/pbrt-v2
 * OpenGL game engine development http://swarminglogic.com/jotting/2013_10_gamedev01
 * mallie https://lighttransport.github.io/mallie
 * IBLBaker (Image Based Lighting Baker). http://www.derkreature.com/iblbaker/
 * Stanford CS148 http://web.stanford.edu/class/cs148/assignments/assignment3.pdf
 * Awesome Bump http://awesomebump.besaba.com/about/
 * sdlgl3-wavefront OpenGL .obj viewer https://github.com/chrisliebert/sdlgl3-wavefront
-* pbrt-v3 https://https://github.com/mmp/pbrt-v3
+* pbrt-v3 https://github.com/mmp/pbrt-v3
 * cocos2d-x https://github.com/cocos2d/cocos2d-x/
+* Android Vulkan demo https://github.com/SaschaWillems/Vulkan
 * Your project here!
 
 Features
@@ -87,106 +89,107 @@ Usage
 -----
 
 TinyObjLoader triangulate input .obj by default.
+```c++
+#define TINYOBJLOADER_IMPLEMENTATION // define this in only *one* .cc
+#include "tiny_obj_loader.h"
 
-    #define TINYOBJLOADER_IMPLEMENTATION // define this in only *one* .cc
+std::string inputfile = "cornell_box.obj";
-    #include "tiny_obj_loader.h"
+std::vector<tinyobj::shape_t> shapes;
-
+std::vector<tinyobj::material_t> materials;
-    std::string inputfile = "cornell_box.obj";
-    std::vector<tinyobj::shape_t> shapes;
-    std::vector<tinyobj::material_t> materials;
   
-    std::string err;
+std::string err;
-    bool ret = tinyobj::LoadObj(shapes, materials, err, inputfile.c_str());
+bool ret = tinyobj::LoadObj(shapes, materials, err, inputfile.c_str());
   
-    if (!err.empty()) { // `err` may contain warning message.
+if (!err.empty()) { // `err` may contain warning message.
-      std::cerr << err << std::endl;
+  std::cerr << err << std::endl;
-    }
+}
 
-    if (!ret) {
+if (!ret) {
-      exit(1);
+  exit(1);
-    }
+}
 
-    std::cout << "# of shapes    : " << shapes.size() << std::endl;
+std::cout << "# of shapes    : " << shapes.size() << std::endl;
-    std::cout << "# of materials : " << materials.size() << std::endl;
+std::cout << "# of materials : " << materials.size() << std::endl;
   
-    for (size_t i = 0; i < shapes.size(); i++) {
+for (size_t i = 0; i < shapes.size(); i++) {
-      printf("shape[%ld].name = %s\n", i, shapes[i].name.c_str());
+  printf("shape[%ld].name = %s\n", i, shapes[i].name.c_str());
-      printf("Size of shape[%ld].indices: %ld\n", i, shapes[i].mesh.indices.size());
+  printf("Size of shape[%ld].indices: %ld\n", i, shapes[i].mesh.indices.size());
-      printf("Size of shape[%ld].material_ids: %ld\n", i, shapes[i].mesh.material_ids.size());
+  printf("Size of shape[%ld].material_ids: %ld\n", i, shapes[i].mesh.material_ids.size());
-      assert((shapes[i].mesh.indices.size() % 3) == 0);
+  assert((shapes[i].mesh.indices.size() % 3) == 0);
-      for (size_t f = 0; f < shapes[i].mesh.indices.size() / 3; f++) {
+  for (size_t f = 0; f < shapes[i].mesh.indices.size() / 3; f++) {
-        printf("  idx[%ld] = %d, %d, %d. mat_id = %d\n", f, shapes[i].mesh.indices[3*f+0], shapes[i].mesh.indices[3*f+1], shapes[i].mesh.indices[3*f+2], shapes[i].mesh.material_ids[f]);
+    printf("  idx[%ld] = %d, %d, %d. mat_id = %d\n", f, shapes[i].mesh.indices[3*f+0], shapes[i].mesh.indices[3*f+1], shapes[i].mesh.indices[3*f+2], shapes[i].mesh.material_ids[f]);
-      }
+  }
 
-      printf("shape[%ld].vertices: %ld\n", i, shapes[i].mesh.positions.size());
+  printf("shape[%ld].vertices: %ld\n", i, shapes[i].mesh.positions.size());
-      assert((shapes[i].mesh.positions.size() % 3) == 0);
+  assert((shapes[i].mesh.positions.size() % 3) == 0);
-      for (size_t v = 0; v < shapes[i].mesh.positions.size() / 3; v++) {
+  for (size_t v = 0; v < shapes[i].mesh.positions.size() / 3; v++) {
-        printf("  v[%ld] = (%f, %f, %f)\n", v,
+    printf("  v[%ld] = (%f, %f, %f)\n", v,
-          shapes[i].mesh.positions[3*v+0],
+      shapes[i].mesh.positions[3*v+0],
-          shapes[i].mesh.positions[3*v+1],
+      shapes[i].mesh.positions[3*v+1],
-          shapes[i].mesh.positions[3*v+2]);
+      shapes[i].mesh.positions[3*v+2]);
-      }
+  }
-    }
+}
-
-    for (size_t i = 0; i < materials.size(); i++) {
-      printf("material[%ld].name = %s\n", i, materials[i].name.c_str());
-      printf("  material.Ka = (%f, %f ,%f)\n", materials[i].ambient[0], materials[i].ambient[1], materials[i].ambient[2]);
-      printf("  material.Kd = (%f, %f ,%f)\n", materials[i].diffuse[0], materials[i].diffuse[1], materials[i].diffuse[2]);
-      printf("  material.Ks = (%f, %f ,%f)\n", materials[i].specular[0], materials[i].specular[1], materials[i].specular[2]);
-      printf("  material.Tr = (%f, %f ,%f)\n", materials[i].transmittance[0], materials[i].transmittance[1], materials[i].transmittance[2]);
-      printf("  material.Ke = (%f, %f ,%f)\n", materials[i].emission[0], materials[i].emission[1], materials[i].emission[2]);
-      printf("  material.Ns = %f\n", materials[i].shininess);
-      printf("  material.Ni = %f\n", materials[i].ior);
-      printf("  material.dissolve = %f\n", materials[i].dissolve);
-      printf("  material.illum = %d\n", materials[i].illum);
-      printf("  material.map_Ka = %s\n", materials[i].ambient_texname.c_str());
-      printf("  material.map_Kd = %s\n", materials[i].diffuse_texname.c_str());
-      printf("  material.map_Ks = %s\n", materials[i].specular_texname.c_str());
-      printf("  material.map_Ns = %s\n", materials[i].specular_highlight_texname.c_str());
-      std::map<std::string, std::string>::const_iterator it(materials[i].unknown_parameter.begin());
-      std::map<std::string, std::string>::const_iterator itEnd(materials[i].unknown_parameter.end());
-      for (; it != itEnd; it++) {
-        printf("  material.%s = %s\n", it->first.c_str(), it->second.c_str());
-      }
-      printf("\n");
-    }
 
+for (size_t i = 0; i < materials.size(); i++) {
+  printf("material[%ld].name = %s\n", i, materials[i].name.c_str());
+  printf("  material.Ka = (%f, %f ,%f)\n", materials[i].ambient[0], materials[i].ambient[1], materials[i].ambient[2]);
+  printf("  material.Kd = (%f, %f ,%f)\n", materials[i].diffuse[0], materials[i].diffuse[1], materials[i].diffuse[2]);
+  printf("  material.Ks = (%f, %f ,%f)\n", materials[i].specular[0], materials[i].specular[1], materials[i].specular[2]);
+  printf("  material.Tr = (%f, %f ,%f)\n", materials[i].transmittance[0], materials[i].transmittance[1], materials[i].transmittance[2]);
+  printf("  material.Ke = (%f, %f ,%f)\n", materials[i].emission[0], materials[i].emission[1], materials[i].emission[2]);
+  printf("  material.Ns = %f\n", materials[i].shininess);
+  printf("  material.Ni = %f\n", materials[i].ior);
+  printf("  material.dissolve = %f\n", materials[i].dissolve);
+  printf("  material.illum = %d\n", materials[i].illum);
+  printf("  material.map_Ka = %s\n", materials[i].ambient_texname.c_str());
+  printf("  material.map_Kd = %s\n", materials[i].diffuse_texname.c_str());
+  printf("  material.map_Ks = %s\n", materials[i].specular_texname.c_str());
+  printf("  material.map_Ns = %s\n", materials[i].specular_highlight_texname.c_str());
+  std::map<std::string, std::string>::const_iterator it(materials[i].unknown_parameter.begin());
+  std::map<std::string, std::string>::const_iterator itEnd(materials[i].unknown_parameter.end());
+  for (; it != itEnd; it++) {
+    printf("  material.%s = %s\n", it->first.c_str(), it->second.c_str());
+  }
+  printf("\n");
+}
+```
 
 Reading .obj without triangulation. Use `num_vertices[i]` to iterate over faces(indices). `num_vertices[i]` stores the number of vertices for ith face.
+```c++
+#define TINYOBJLOADER_IMPLEMENTATION // define this in only *one* .cc
+#include "tiny_obj_loader.h"
 
-    #define TINYOBJLOADER_IMPLEMENTATION // define this in only *one* .cc
+std::string inputfile = "cornell_box.obj";
-    #include "tiny_obj_loader.h"
+std::vector<tinyobj::shape_t> shapes;
-
+std::vector<tinyobj::material_t> materials;
-    std::string inputfile = "cornell_box.obj";
-    std::vector<tinyobj::shape_t> shapes;
-    std::vector<tinyobj::material_t> materials;
   
-    std::string err;
+std::string err;
-    bool triangulate = false;
+int flags = 1; // see load_flags_t enum for more information.
-    bool ret = tinyobj::LoadObj(shapes, materials, err, inputfile.c_str(), triangulate);
+bool ret = tinyobj::LoadObj(shapes, materials, err, inputfile.c_str(), flags);
   
-    if (!err.empty()) { // `err` may contain warning message.
+if (!err.empty()) { // `err` may contain warning message.
-      std::cerr << err << std::endl;
+  std::cerr << err << std::endl;
+}
+
+if (!ret) {
+  exit(1);
+}
+
+for (size_t i = 0; i < shapes.size(); i++) {
+
+  size_t indexOffset = 0;
+  for (size_t n = 0; n < shapes[i].mesh.num_vertices.size(); n++) {
+    int ngon = shapes[i].mesh.num_vertices[n];
+    for (size_t f = 0; f < ngon; f++) {
+      unsigned int v = shapes[i].mesh.indices[indexOffset + f];
+      printf("  face[%ld] v[%ld] = (%f, %f, %f)\n", n,
+        shapes[i].mesh.positions[3*v+0],
+        shapes[i].mesh.positions[3*v+1],
+        shapes[i].mesh.positions[3*v+2]);
+      
     }
+    indexOffset += ngon;
+  }
 
-    if (!ret) {
+}
-      exit(1);
+```
-    }
-
-    for (size_t i = 0; i < shapes.size(); i++) {
-
-      size_t indexOffset = 0;
-      for (size_t n = 0; n < shapes[i].mesh.num_vertices.size(); n++) {
-        int ngon = shapes[i].mesh.num_vertices[n];
-        for (size_t f = 0; f < ngon; f++) {
-          unsigend int v = shapes[i].mesh.indices[indexOffset + f];
-          printf("  face[%ld] v[%ld] = (%f, %f, %f)\n", n,
-            shapes[i].mesh.positions[3*v+0],
-            shapes[i].mesh.positions[3*v+1],
-            shapes[i].mesh.positions[3*v+2]);
-	     
-        }
-        indexOffset += ngon;
-      }
-
-    }

models/usemtl-issue-68.mtl

@@ -0,0 +1,9 @@
+newmtl Material.001
+Ka 0 0 0
+Kd 0 0 0
+Ks 0 0 0
+
+newmtl Material.003
+Ka 0 0 0
+Kd 1 1 1
+Ks 0 0 0

models/usemtl-issue-68.obj

@@ -0,0 +1,817 @@
+# https://github.com/syoyo/tinyobjloader/issues/68
+# Blender v2.73 (sub 0) OBJ File: 'enemy.blend'
+# www.blender.org
+mtllib usemtl-issue-68.mtl
+o Cube
+v 1.864151 -1.219172 -5.532511
+v 0.575869 -0.666304 5.896140
+v 0.940448 1.000000 -1.971128
+v 1.620345 1.000000 -5.815706
+v 1.864152 1.000000 -6.334323
+v 0.575869 -0.129842 5.896143
+v 5.440438 -1.462153 -5.818601
+v 4.896782 -1.462153 -2.744413
+v 1.000825 -0.677484 1.899605
+v 5.440438 -1.246362 -5.818600
+v 1.000825 0.852342 1.899608
+v 4.896782 -1.246362 -2.744412
+v 1.160660 -0.450871 -2.356325
+v 1.704316 -0.450871 -5.430513
+v 1.000825 -0.351920 -1.293797
+v 1.000825 1.000000 -1.293794
+v 1.160660 -0.877888 -2.356326
+v 1.704316 -0.877888 -5.430514
+v 1.000825 -1.219172 -1.452514
+v 1.000825 1.000000 -1.452511
+v 1.000825 -0.351920 1.759410
+v 1.000825 1.000000 1.759413
+v 9.097919 1.221145 -6.212147
+v 8.356775 1.221145 -2.021231
+v 1.864151 -0.109586 -6.334325
+v 0.575869 -0.398073 5.896141
+v 9.097919 0.943958 -6.212148
+v 8.356775 0.943958 -2.021233
+v 1.061916 0.113661 -1.797961
+v 1.000825 0.161258 1.899606
+v 1.000825 0.324040 -1.293795
+v 1.803060 0.113661 -5.988876
+v 1.000825 -0.109586 -1.452513
+v 1.061916 0.776753 -1.797960
+v 1.803061 0.776753 -5.988875
+v 1.000825 0.324040 1.759412
+v 0.000825 -1.219172 -5.532512
+v 0.000825 -0.666304 5.896139
+v 0.000826 1.000000 -6.334325
+v 0.000825 -0.129842 5.896140
+v 0.000825 0.852342 1.899606
+v 0.000825 -0.677484 1.899604
+v 0.000825 -0.351920 -1.293797
+v 0.000825 1.000000 -1.293796
+v 0.000825 1.000000 -1.452513
+v 0.000825 -1.219172 -1.452515
+v 0.000825 -0.351920 1.759409
+v 0.000825 1.000000 1.759411
+v 0.000826 -0.109586 -6.334326
+v 0.000825 -0.398073 5.896140
+v 0.152918 1.000000 -5.815708
+v 0.152917 1.000000 -1.971130
+v 0.940448 1.168419 -1.971128
+v 1.620345 1.168419 -5.815706
+v 0.152918 1.168419 -5.815708
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+f 7/30/4 10/20/4 8/24/4
+f 19/29/69 1/28/69 17/23/69
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+f 179/86/17 183/88/17 181/50/17
+f 178/85/2 180/49/2 182/89/2
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+f 182/89/15 184/82/15 186/93/15
+f 182/89/15 186/93/15 183/88/15
+f 190/96/15 192/91/15 191/94/15
+f 187/92/2 191/94/2 189/90/2
+f 188/87/17 192/91/17 186/93/17
+f 187/92/3 186/93/3 191/94/3
+f 141/26/54 197/98/54 144/43/54
+f 143/44/53 144/43/53 195/99/53
+f 138/27/52 143/44/52 194/100/52
+f 138/27/51 194/100/51 141/26/51
+f 200/37/59 208/102/59 201/31/59
+f 200/37/60 199/35/60 208/102/60
+f 199/35/61 198/36/61 207/103/61
+f 201/31/79 209/101/79 198/36/79
+f 205/108/54 209/101/54 204/105/54
+f 203/106/53 204/105/53 207/103/53
+f 202/107/52 203/106/52 206/104/52
+f 202/107/51 206/104/51 205/108/51
+f 194/100/63 202/107/63 197/98/63
+f 194/100/64 195/99/64 202/107/64
+f 195/99/65 196/97/65 203/106/65
+f 197/98/66 205/108/66 196/97/66
+f 170/73/80 174/79/80 215/109/80
+f 177/80/44 175/81/44 218/78/44
+f 111/65/44 170/73/44 210/75/44
+f 216/71/81 173/74/81 218/78/81
+f 118/60/23 151/61/23 210/75/23
+f 139/42/44 173/74/44 212/1/44
+f 120/11/44 139/42/44 211/2/44
+usemtl Material.003
+f 41/62/82 104/64/82 102/2/82
+f 211/2/82 213/64/82 150/62/82
+f 11/11/82 41/62/82 102/2/82
+f 120/11/82 211/2/82 150/62/82

test.cc

@@ -124,7 +124,7 @@ static bool
 TestLoadObj(
   const char* filename,
   const char* basepath = NULL,
-  bool triangulate = true)
+  unsigned int flags = 1 )
 {
   std::cout << "Loading " << filename << std::endl;
 
@@ -132,17 +132,19 @@ TestLoadObj(
   std::vector<tinyobj::material_t> materials;
 
   std::string err;
-  bool ret = tinyobj::LoadObj(shapes, materials, err, filename, basepath, triangulate);
+  bool ret = tinyobj::LoadObj(shapes, materials, err, filename, basepath, flags);
 
   if (!err.empty()) {
     std::cerr << err << std::endl;
   }
 
   if (!ret) {
+    printf("Failed to load/parse .obj.\n");
     return false;
   }
 
-  PrintInfo(shapes, materials, triangulate);
+  bool triangulate( ( flags & tinyobj::triangulation ) == tinyobj::triangulation );
+  PrintInfo(shapes, materials, triangulate );
 
   return true;
 }
@@ -270,7 +272,7 @@ main(
     //assert(true == TestLoadObj("cornell_box.obj"));
     //assert(true == TestLoadObj("cube.obj"));
     assert(true == TestStreamLoadObj());
-    assert(true == TestLoadObj("catmark_torus_creases0.obj", NULL, false));
+    assert(true == TestLoadObj("catmark_torus_creases0.obj", NULL,  0));
   }
 
   return 0;

tiny_obj_loader.h

@@ -5,6 +5,8 @@
 //
 
 //
+// version 0.9.22: Introduce `load_flags_t`.
+// version 0.9.20: Fixes creating per-face material using `usemtl`(#68)
 // version 0.9.17: Support n-polygon and crease tag(OpenSubdiv extension)
 // version 0.9.16: Make tinyobjloader header-only
 // version 0.9.15: Change API to handle no mtl file case correctly(#58)
@@ -37,12 +39,13 @@
 //   #include "tiny_obj_loader.h"
 //
 
-#ifndef TINY_OBJ_LOADER_H
+#ifndef TINY_OBJ_LOADER_H_
-#define TINY_OBJ_LOADER_H
+#define TINY_OBJ_LOADER_H_
 
 #include <string>
 #include <vector>
 #include <map>
+#include <cmath>
 
 namespace tinyobj {
 
@@ -96,6 +99,69 @@ typedef struct {
   mesh_t mesh;
 } shape_t;
 
+typedef enum
+{
+  triangulation = 1,        // used whether triangulate polygon face in .obj
+  calculate_normals = 2,    // used whether calculate the normals if the .obj normals are empty
+  // Some nice stuff here
+} load_flags_t;
+
+class float3
+{
+public:
+  float3()
+    : x( 0.0f )
+    , y( 0.0f )
+    , z( 0.0f )
+  {
+  }
+
+  float3(float coord_x, float coord_y, float coord_z)
+    : x( coord_x )
+    , y( coord_y )
+    , z( coord_z )
+  {
+  }
+
+  float3(const float3& from, const float3& to)
+  {
+    coord[0] = to.coord[0] - from.coord[0];
+    coord[1] = to.coord[1] - from.coord[1];
+    coord[2] = to.coord[2] - from.coord[2];
+  }
+
+  float3 crossproduct ( const float3 & vec )
+  {
+    float a = y * vec.z - z * vec.y ;
+    float b = z * vec.x - x * vec.z ;
+    float c = x * vec.y - y * vec.x ;
+    return float3( a , b , c );
+  }
+
+  void normalize()
+  {
+    const float length = std::sqrt( ( coord[0] * coord[0] ) +
+                                               ( coord[1] * coord[1] ) +
+                                               ( coord[2] * coord[2] ) );
+    if( length != 1 )
+    {
+      coord[0] = (coord[0] / length);
+      coord[1] = (coord[1] / length);
+      coord[2] = (coord[2] / length);
+    }
+  }
+
+private:
+  union
+  {
+    float coord[3];
+    struct
+    {
+      float x,y,z;
+    };
+  };
+};
+
 class MaterialReader {
 public:
   MaterialReader() {}
@@ -126,13 +192,12 @@ private:
 /// Returns true when loading .obj become success.
 /// Returns warning and error message into `err`
 /// 'mtl_basepath' is optional, and used for base path for .mtl file.
-/// 'triangulate' is optional, and used whether triangulate polygon face in .obj
+/// 'optional flags
-/// or not.
 bool LoadObj(std::vector<shape_t> &shapes,       // [output]
              std::vector<material_t> &materials, // [output]
              std::string &err,                   // [output]
              const char *filename, const char *mtl_basepath = NULL,
-             bool triangulate = true);
+             unsigned int flags = 1 );
 
 /// Loads object from a std::istream, uses GetMtlIStreamFn to retrieve
 /// std::istream for materials.
@@ -142,7 +207,7 @@ bool LoadObj(std::vector<shape_t> &shapes,       // [output]
              std::vector<material_t> &materials, // [output]
              std::string &err,                   // [output]
              std::istream &inStream, MaterialReader &readMatFn,
-             bool triangulate = true);
+             unsigned int flags = 1);
 
 /// Loads materials into std::map
 void LoadMtl(std::map<std::string, int> &material_map, // [output]
@@ -158,9 +223,6 @@ void LoadMtl(std::map<std::string, int> &material_map, // [output]
 #include <cstddef>
 #include <cctype>
 
-#include <string>
-#include <vector>
-#include <map>
 #include <fstream>
 #include <sstream>
 
@@ -174,8 +236,8 @@ MaterialReader::~MaterialReader() {}
 
 struct vertex_index {
   int v_idx, vt_idx, vn_idx;
-  vertex_index() {}
+  vertex_index() : v_idx(-1), vt_idx(-1), vn_idx(-1) {}
-  vertex_index(int idx) : v_idx(idx), vt_idx(idx), vn_idx(idx) {}
+  explicit vertex_index(int idx) : v_idx(idx), vt_idx(idx), vn_idx(idx) {}
   vertex_index(int vidx, int vtidx, int vnidx)
       : v_idx(vidx), vt_idx(vtidx), vn_idx(vnidx) {}
 };
@@ -205,11 +267,9 @@ struct obj_shape {
   std::vector<float> vt;
 };
 
-static inline bool isSpace(const char c) { return (c == ' ') || (c == '\t'); }
+#define IS_SPACE( x ) ( ( (x) == ' ') || ( (x) == '\t') )
-
+#define IS_DIGIT( x ) ( (unsigned int)( (x) - '0' ) < (unsigned int)10 )
-static inline bool isNewLine(const char c) {
+#define IS_NEW_LINE( x ) ( ( (x) == '\r') || ( (x) == '\n') || ( (x) == '\0') )
-  return (c == '\r') || (c == '\n') || (c == '\0');
-}
 
 // Make index zero-base, and also support relative index.
 static inline int fixIndex(int idx, int n) {
@@ -297,13 +357,13 @@ static bool tryParseDouble(const char *s, const char *s_end, double *result) {
   if (*curr == '+' || *curr == '-') {
     sign = *curr;
     curr++;
-  } else if (isdigit(*curr)) { /* Pass through. */
+  } else if (IS_DIGIT(*curr)) { /* Pass through. */
   } else {
     goto fail;
   }
 
   // Read the integer part.
-  while ((end_not_reached = (curr != s_end)) && isdigit(*curr)) {
+  while ((end_not_reached = (curr != s_end)) && IS_DIGIT(*curr)) {
     mantissa *= 10;
     mantissa += static_cast<int>(*curr - 0x30);
     curr++;
@@ -321,7 +381,7 @@ static bool tryParseDouble(const char *s, const char *s_end, double *result) {
   if (*curr == '.') {
     curr++;
     read = 1;
-    while ((end_not_reached = (curr != s_end)) && isdigit(*curr)) {
+    while ((end_not_reached = (curr != s_end)) && IS_DIGIT(*curr)) {
       // NOTE: Don't use powf here, it will absolutely murder precision.
       mantissa += static_cast<int>(*curr - 0x30) * pow(10.0, -read);
       read++;
@@ -342,14 +402,14 @@ static bool tryParseDouble(const char *s, const char *s_end, double *result) {
     if ((end_not_reached = (curr != s_end)) && (*curr == '+' || *curr == '-')) {
       exp_sign = *curr;
       curr++;
-    } else if (isdigit(*curr)) { /* Pass through. */
+    } else if (IS_DIGIT(*curr)) { /* Pass through. */
     } else {
       // Empty E is not allowed.
       goto fail;
     }
 
     read = 0;
-    while ((end_not_reached = (curr != s_end)) && isdigit(*curr)) {
+    while ((end_not_reached = (curr != s_end)) && IS_DIGIT(*curr)) {
       exponent *= 10;
       exponent += static_cast<int>(*curr - 0x30);
       curr++;
@@ -520,11 +580,14 @@ static bool exportFaceGroupToShape(
     const std::vector<float> &in_texcoords,
     const std::vector<std::vector<vertex_index> > &faceGroup,
     std::vector<tag_t> &tags, const int material_id, const std::string &name,
-    bool clearCache, bool triangulate) {
+    bool clearCache, unsigned int flags, std::string& err ) {
   if (faceGroup.empty()) {
     return false;
   }
 
+  bool triangulate( ( flags & triangulation ) == triangulation );
+  bool normals_calculation( ( flags & calculate_normals ) == calculate_normals );
+
   // Flatten vertices and indices
   for (size_t i = 0; i < faceGroup.size(); i++) {
     const std::vector<vertex_index> &face = faceGroup[i];
@@ -573,6 +636,38 @@ static bool exportFaceGroupToShape(
       shape.mesh.num_vertices.push_back(static_cast<unsigned char>(npolys));
       shape.mesh.material_ids.push_back(material_id); // per face
     }
+
+    if( normals_calculation && shape.mesh.normals.empty() )
+    {
+      const unsigned int nIndexs = shape.mesh.indices.size();
+      shape.mesh.normals.resize(shape.mesh.positions.size());
+      if( nIndexs % 3 == 0 )
+      {
+        for ( register unsigned int iIndices = 0; iIndices < nIndexs; iIndices+=3 )
+        {
+          float3 v1, v2, v3;
+          memcpy(&v1, &shape.mesh.positions[shape.mesh.indices[iIndices] * 3], sizeof(float3));
+          memcpy(&v2, &shape.mesh.positions[shape.mesh.indices[iIndices + 1] * 3], sizeof(float3));
+          memcpy(&v3, &shape.mesh.positions[shape.mesh.indices[iIndices + 2] * 3], sizeof(float3));
+
+          float3 v12( v1,v2 );
+          float3 v13( v1,v3 );
+
+          float3 normal = v12.crossproduct(v13);
+          normal.normalize();
+
+          memcpy(&shape.mesh.normals[shape.mesh.indices[iIndices] * 3],     &normal, sizeof(float3));
+          memcpy(&shape.mesh.normals[shape.mesh.indices[iIndices + 1] * 3], &normal, sizeof(float3));
+          memcpy(&shape.mesh.normals[shape.mesh.indices[iIndices + 2] * 3], &normal, sizeof(float3));
+        }
+      }
+      else
+      {
+        std::stringstream ss;
+        ss << "WARN: The shape " << name << " does not have a topology of triangles, therfore the normals calculation could not be performed. Select the tinyobj::triangulation flag for this object." << std::endl;
+        err += ss.str();
+      }
+    }
   }
 
   shape.name = name;
@@ -625,7 +720,7 @@ void LoadMtl(std::map<std::string, int> &material_map,
       continue; // comment line
 
     // new mtl
-    if ((0 == strncmp(token, "newmtl", 6)) && isSpace((token[6]))) {
+    if ((0 == strncmp(token, "newmtl", 6)) && IS_SPACE((token[6]))) {
       // flush previous material.
       if (!material.name.empty()) {
         material_map.insert(std::pair<std::string, int>(
@@ -649,7 +744,7 @@ void LoadMtl(std::map<std::string, int> &material_map,
     }
 
     // ambient
-    if (token[0] == 'K' && token[1] == 'a' && isSpace((token[2]))) {
+    if (token[0] == 'K' && token[1] == 'a' && IS_SPACE((token[2]))) {
       token += 2;
       float r, g, b;
       parseFloat3(r, g, b, token);
@@ -660,7 +755,7 @@ void LoadMtl(std::map<std::string, int> &material_map,
     }
 
     // diffuse
-    if (token[0] == 'K' && token[1] == 'd' && isSpace((token[2]))) {
+    if (token[0] == 'K' && token[1] == 'd' && IS_SPACE((token[2]))) {
       token += 2;
       float r, g, b;
       parseFloat3(r, g, b, token);
@@ -671,7 +766,7 @@ void LoadMtl(std::map<std::string, int> &material_map,
     }
 
     // specular
-    if (token[0] == 'K' && token[1] == 's' && isSpace((token[2]))) {
+    if (token[0] == 'K' && token[1] == 's' && IS_SPACE((token[2]))) {
       token += 2;
       float r, g, b;
       parseFloat3(r, g, b, token);
@@ -682,7 +777,7 @@ void LoadMtl(std::map<std::string, int> &material_map,
     }
 
     // transmittance
-    if (token[0] == 'K' && token[1] == 't' && isSpace((token[2]))) {
+    if (token[0] == 'K' && token[1] == 't' && IS_SPACE((token[2]))) {
       token += 2;
       float r, g, b;
       parseFloat3(r, g, b, token);
@@ -693,14 +788,14 @@ void LoadMtl(std::map<std::string, int> &material_map,
     }
 
     // ior(index of refraction)
-    if (token[0] == 'N' && token[1] == 'i' && isSpace((token[2]))) {
+    if (token[0] == 'N' && token[1] == 'i' && IS_SPACE((token[2]))) {
       token += 2;
       material.ior = parseFloat(token);
       continue;
     }
 
     // emission
-    if (token[0] == 'K' && token[1] == 'e' && isSpace(token[2])) {
+    if (token[0] == 'K' && token[1] == 'e' && IS_SPACE(token[2])) {
       token += 2;
       float r, g, b;
       parseFloat3(r, g, b, token);
@@ -711,26 +806,26 @@ void LoadMtl(std::map<std::string, int> &material_map,
     }
 
     // shininess
-    if (token[0] == 'N' && token[1] == 's' && isSpace(token[2])) {
+    if (token[0] == 'N' && token[1] == 's' && IS_SPACE(token[2])) {
       token += 2;
       material.shininess = parseFloat(token);
       continue;
     }
 
     // illum model
-    if (0 == strncmp(token, "illum", 5) && isSpace(token[5])) {
+    if (0 == strncmp(token, "illum", 5) && IS_SPACE(token[5])) {
       token += 6;
       material.illum = parseInt(token);
       continue;
     }
 
     // dissolve
-    if ((token[0] == 'd' && isSpace(token[1]))) {
+    if ((token[0] == 'd' && IS_SPACE(token[1]))) {
       token += 1;
       material.dissolve = parseFloat(token);
       continue;
     }
-    if (token[0] == 'T' && token[1] == 'r' && isSpace(token[2])) {
+    if (token[0] == 'T' && token[1] == 'r' && IS_SPACE(token[2])) {
       token += 2;
       // Invert value of Tr(assume Tr is in range [0, 1])
       material.dissolve = 1.0f - parseFloat(token);
@@ -738,56 +833,56 @@ void LoadMtl(std::map<std::string, int> &material_map,
     }
 
     // ambient texture
-    if ((0 == strncmp(token, "map_Ka", 6)) && isSpace(token[6])) {
+    if ((0 == strncmp(token, "map_Ka", 6)) && IS_SPACE(token[6])) {
       token += 7;
       material.ambient_texname = token;
       continue;
     }
 
     // diffuse texture
-    if ((0 == strncmp(token, "map_Kd", 6)) && isSpace(token[6])) {
+    if ((0 == strncmp(token, "map_Kd", 6)) && IS_SPACE(token[6])) {
       token += 7;
       material.diffuse_texname = token;
       continue;
     }
 
     // specular texture
-    if ((0 == strncmp(token, "map_Ks", 6)) && isSpace(token[6])) {
+    if ((0 == strncmp(token, "map_Ks", 6)) && IS_SPACE(token[6])) {
       token += 7;
       material.specular_texname = token;
       continue;
     }
 
     // specular highlight texture
-    if ((0 == strncmp(token, "map_Ns", 6)) && isSpace(token[6])) {
+    if ((0 == strncmp(token, "map_Ns", 6)) && IS_SPACE(token[6])) {
       token += 7;
       material.specular_highlight_texname = token;
       continue;
     }
 
     // bump texture
-    if ((0 == strncmp(token, "map_bump", 8)) && isSpace(token[8])) {
+    if ((0 == strncmp(token, "map_bump", 8)) && IS_SPACE(token[8])) {
       token += 9;
       material.bump_texname = token;
       continue;
     }
 
     // alpha texture
-    if ((0 == strncmp(token, "map_d", 5)) && isSpace(token[5])) {
+    if ((0 == strncmp(token, "map_d", 5)) && IS_SPACE(token[5])) {
       token += 6;
       material.alpha_texname = token;
       continue;
     }
 
     // bump texture
-    if ((0 == strncmp(token, "bump", 4)) && isSpace(token[4])) {
+    if ((0 == strncmp(token, "bump", 4)) && IS_SPACE(token[4])) {
       token += 5;
       material.bump_texname = token;
       continue;
     }
 
     // displacement texture
-    if ((0 == strncmp(token, "disp", 4)) && isSpace(token[4])) {
+    if ((0 == strncmp(token, "disp", 4)) && IS_SPACE(token[4])) {
       token += 5;
       material.displacement_texname = token;
       continue;
@@ -838,7 +933,7 @@ bool MaterialFileReader::operator()(const std::string &matId,
 bool LoadObj(std::vector<shape_t> &shapes,       // [output]
              std::vector<material_t> &materials, // [output]
              std::string &err, const char *filename, const char *mtl_basepath,
-             bool trianglulate) {
+             unsigned int flags) {
 
   shapes.clear();
 
@@ -857,13 +952,14 @@ bool LoadObj(std::vector<shape_t> &shapes,       // [output]
   }
   MaterialFileReader matFileReader(basePath);
 
-  return LoadObj(shapes, materials, err, ifs, matFileReader, trianglulate);
+  return LoadObj(shapes, materials, err, ifs, matFileReader, flags);
 }
 
 bool LoadObj(std::vector<shape_t> &shapes,       // [output]
              std::vector<material_t> &materials, // [output]
              std::string &err, std::istream &inStream,
-             MaterialReader &readMatFn, bool triangulate) {
+             MaterialReader &readMatFn, unsigned int flags) {
+
   std::stringstream errss;
 
   std::vector<float> v;
@@ -914,7 +1010,7 @@ bool LoadObj(std::vector<shape_t> &shapes,       // [output]
       continue; // comment line
 
     // vertex
-    if (token[0] == 'v' && isSpace((token[1]))) {
+    if (token[0] == 'v' && IS_SPACE((token[1]))) {
       token += 2;
       float x, y, z;
       parseFloat3(x, y, z, token);
@@ -925,7 +1021,7 @@ bool LoadObj(std::vector<shape_t> &shapes,       // [output]
     }
 
     // normal
-    if (token[0] == 'v' && token[1] == 'n' && isSpace((token[2]))) {
+    if (token[0] == 'v' && token[1] == 'n' && IS_SPACE((token[2]))) {
       token += 3;
       float x, y, z;
       parseFloat3(x, y, z, token);
@@ -936,7 +1032,7 @@ bool LoadObj(std::vector<shape_t> &shapes,       // [output]
     }
 
     // texcoord
-    if (token[0] == 'v' && token[1] == 't' && isSpace((token[2]))) {
+    if (token[0] == 'v' && token[1] == 't' && IS_SPACE((token[2]))) {
       token += 3;
       float x, y;
       parseFloat2(x, y, token);
@@ -946,12 +1042,14 @@ bool LoadObj(std::vector<shape_t> &shapes,       // [output]
     }
 
     // face
-    if (token[0] == 'f' && isSpace((token[1]))) {
+    if (token[0] == 'f' && IS_SPACE((token[1]))) {
       token += 2;
       token += strspn(token, " \t");
 
       std::vector<vertex_index> face;
-      while (!isNewLine(token[0])) {
+      face.reserve(3);
+
+      while (!IS_NEW_LINE(token[0])) {
         vertex_index vi = parseTriple(token, static_cast<int>(v.size() / 3),
                                       static_cast<int>(vn.size() / 3),
                                       static_cast<int>(vt.size() / 2));
@@ -960,13 +1058,15 @@ bool LoadObj(std::vector<shape_t> &shapes,       // [output]
         token += n;
       }
 
-      faceGroup.push_back(face);
+      // replace with emplace_back + std::move on C++11
+      faceGroup.push_back(std::vector<vertex_index>());
+      faceGroup[faceGroup.size() - 1].swap(face);
 
       continue;
     }
 
     // use mtl
-    if ((0 == strncmp(token, "usemtl", 6)) && isSpace((token[6]))) {
+    if ((0 == strncmp(token, "usemtl", 6)) && IS_SPACE((token[6]))) {
 
       char namebuf[TINYOBJ_SSCANF_BUFFER_SIZE];
       token += 7;
@@ -976,28 +1076,26 @@ bool LoadObj(std::vector<shape_t> &shapes,       // [output]
       sscanf(token, "%s", namebuf);
 #endif
 
-      // Create face group per material.
+      int newMaterialId = -1;
-      bool ret =
-          exportFaceGroupToShape(shape, vertexCache, v, vn, vt, faceGroup, tags,
-                                 material, name, true, triangulate);
-      if (ret) {
-        shapes.push_back(shape);
-      }
-      shape = shape_t();
-      faceGroup.clear();
-
       if (material_map.find(namebuf) != material_map.end()) {
-        material = material_map[namebuf];
+        newMaterialId = material_map[namebuf];
       } else {
         // { error!! material not found }
-        material = -1;
+      }
+
+      if (newMaterialId != material) {
+        // Create per-face material
+        exportFaceGroupToShape(shape, vertexCache, v, vn, vt, faceGroup, tags,
+                               material, name, true, flags, err );
+        faceGroup.clear();
+        material = newMaterialId;
       }
 
       continue;
     }
 
     // load mtl
-    if ((0 == strncmp(token, "mtllib", 6)) && isSpace((token[6]))) {
+    if ((0 == strncmp(token, "mtllib", 6)) && IS_SPACE((token[6]))) {
       char namebuf[TINYOBJ_SSCANF_BUFFER_SIZE];
       token += 7;
 #ifdef _MSC_VER
@@ -1019,12 +1117,12 @@ bool LoadObj(std::vector<shape_t> &shapes,       // [output]
     }
 
     // group name
-    if (token[0] == 'g' && isSpace((token[1]))) {
+    if (token[0] == 'g' && IS_SPACE((token[1]))) {
 
       // flush previous face group.
       bool ret =
           exportFaceGroupToShape(shape, vertexCache, v, vn, vt, faceGroup, tags,
-                                 material, name, true, triangulate);
+                                 material, name, true, flags, err );
       if (ret) {
         shapes.push_back(shape);
       }
@@ -1035,7 +1133,9 @@ bool LoadObj(std::vector<shape_t> &shapes,       // [output]
       faceGroup.clear();
 
       std::vector<std::string> names;
-      while (!isNewLine(token[0])) {
+      names.reserve(2);
+
+      while (!IS_NEW_LINE(token[0])) {
         std::string str = parseString(token);
         names.push_back(str);
         token += strspn(token, " \t\r"); // skip tag
@@ -1054,12 +1154,12 @@ bool LoadObj(std::vector<shape_t> &shapes,       // [output]
     }
 
     // object name
-    if (token[0] == 'o' && isSpace((token[1]))) {
+    if (token[0] == 'o' && IS_SPACE((token[1]))) {
 
       // flush previous face group.
       bool ret =
           exportFaceGroupToShape(shape, vertexCache, v, vn, vt, faceGroup, tags,
-                                 material, name, true, triangulate);
+                                 material, name, true, flags, err );
       if (ret) {
         shapes.push_back(shape);
       }
@@ -1081,12 +1181,16 @@ bool LoadObj(std::vector<shape_t> &shapes,       // [output]
       continue;
     }
 
-    if (token[0] == 't' && isSpace(token[1])) {
+    if (token[0] == 't' && IS_SPACE(token[1])) {
       tag_t tag;
 
       char namebuf[4096];
       token += 2;
+#ifdef _MSC_VER
+      sscanf_s(token, "%s", namebuf, (unsigned)_countof(namebuf));
+#else
       sscanf(token, "%s", namebuf);
+#endif
       tag.name = std::string(namebuf);
 
       token += tag.name.size() + 1;
@@ -1110,7 +1214,11 @@ bool LoadObj(std::vector<shape_t> &shapes,       // [output]
       for (size_t i = 0; i < static_cast<size_t>(ts.num_strings); ++i) {
         char stringValueBuffer[4096];
 
+#ifdef _MSC_VER
+        sscanf_s(token, "%s", stringValueBuffer, (unsigned)_countof(stringValueBuffer));
+#else
         sscanf(token, "%s", stringValueBuffer);
+#endif
         tag.stringValues[i] = stringValueBuffer;
         token += tag.stringValues[i].size() + 1;
       }
@@ -1122,13 +1230,14 @@ bool LoadObj(std::vector<shape_t> &shapes,       // [output]
   }
 
   bool ret = exportFaceGroupToShape(shape, vertexCache, v, vn, vt, faceGroup,
-                                    tags, material, name, true, triangulate);
+                                    tags, material, name, true, flags, err );
   if (ret) {
     shapes.push_back(shape);
   }
   faceGroup.clear(); // for safety
 
   err += errss.str();
+
   return true;
 }
 
@@ -1136,4 +1245,4 @@ bool LoadObj(std::vector<shape_t> &shapes,       // [output]
 
 #endif
 
-#endif // TINY_OBJ_LOADER_H
+#endif // TINY_OBJ_LOADER_H_

tools/travis_postbuild.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+DATEVAL=`date +%Y-%m-%d`
+VERSIONVAL=master
+
+# Use tag as version
+if [ $TRAVIS_TAG ]; then
+  VERSIONVAL=$TRAVIS_TAG
+fi
+
+sed -e s%@DATE@%${DATEVAL}% .bintray.in > .bintray.tmp
+sed -e s%@VERSION@%${VERSIONVAL}% .bintray.tmp > .bintray.json