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Skip trailing whitespace in mtl. Fixes #92.

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This commit is contained in:
Syoyo Fujita
2016-08-02 16:55:50 +09:00
parent d5c722125a
commit 51d13700d8
2 changed files with 111 additions and 104 deletions
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10
test.cc
View File

@@ -302,7 +302,8 @@ std::string matStream(
"newmtl light\n"
"Ka 20 20 20\n"
"Kd 1 1 1\n"
"Ks 0 0 0");
"Ks 0 0 0\n"
"map_Kd tmp.png \n"); // #92(whitespace after filename)
using namespace tinyobj;
class MaterialStringStreamReader:
@@ -343,6 +344,13 @@ std::string matStream(
PrintInfo(shapes, materials);
// #92
for (size_t i = 0; i < materials.size(); i++) {
if (materials[i].name.compare("light") == 0) {
assert(materials[i].diffuse_texname.compare("tmp.png") == 0);
}
}
return true;
}

93
tiny_obj_loader.h
View File

@@ -42,10 +42,10 @@
#ifndef TINY_OBJ_LOADER_H_
#define TINY_OBJ_LOADER_H_
#include <cmath>
#include <map>
#include <string>
#include <vector>
#include <map>
#include <cmath>
namespace tinyobj {
@@ -99,52 +99,37 @@ typedef struct {
mesh_t mesh;
} shape_t;
typedef enum
{
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
calculate_normals =
2, // used whether calculate the normals if the .obj normals are empty
// Some nice stuff here
} load_flags_t;
class float3
{
class float3 {
public:
float3()
: x( 0.0f )
, y( 0.0f )
, z( 0.0f )
{
}
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 )
{
}
: x(coord_x), y(coord_y), z(coord_z) {}
float3(const float3& from, const float3& to)
{
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 )
{
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 )
{
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);
@@ -152,11 +137,9 @@ public:
}
private:
union
{
union {
float coord[3];
struct
{
struct {
float x, y, z;
};
};
@@ -216,12 +199,12 @@ void LoadMtl(std::map<std::string, int> &material_map, // [output]
}
#ifdef TINYOBJLOADER_IMPLEMENTATION
#include <cstdlib>
#include <cstring>
#include <cassert>
#include <cctype>
#include <cmath>
#include <cstddef>
#include <cctype>
#include <cstdlib>
#include <cstring>
#include <fstream>
#include <sstream>
@@ -267,9 +250,9 @@ struct obj_shape {
std::vector<float> vt;
};
//See http://stackoverflow.com/questions/6089231/getting-std-ifstream-to-handle-lf-cr-and-crlf
std::istream& safeGetline(std::istream& is, std::string& t)
{
// See
// http://stackoverflow.com/questions/6089231/getting-std-ifstream-to-handle-lf-cr-and-crlf
std::istream &safeGetline(std::istream &is, std::string &t) {
t.clear();
// The characters in the stream are read one-by-one using a std::streambuf.
@@ -678,9 +661,12 @@ static bool exportFaceGroupToShape(
shape.mesh.normals.resize(shape.mesh.positions.size());
for (register size_t 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));
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);
@@ -688,14 +674,21 @@ static bool exportFaceGroupToShape(
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));
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;
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();
}
}
@@ -720,6 +713,11 @@ void LoadMtl(std::map<std::string, int> &material_map,
std::string linebuf;
safeGetline(inStream, linebuf);
// Trim trailing whitespace
if (linebuf.size() > 0) {
linebuf = linebuf.substr(0, linebuf.find_last_not_of(" \t") + 1);
}
// Trim newline '\r\n' or '\n'
if (linebuf.size() > 0) {
if (linebuf[linebuf.size() - 1] == '\n')
@@ -1239,7 +1237,8 @@ bool LoadObj(std::vector<shape_t> &shapes, // [output]
char stringValueBuffer[4096];
#ifdef _MSC_VER
sscanf_s(token, "%s", stringValueBuffer, (unsigned)_countof(stringValueBuffer));
sscanf_s(token, "%s", stringValueBuffer,
(unsigned)_countof(stringValueBuffer));
#else
sscanf(token, "%s", stringValueBuffer);
#endif