minetest/irrlicht
1
0
Fork 0
mirror of https://github.com/minetest/irrlicht.git synced 2025-02-20 13:00:18 +01:00
Code Issues Projects Releases Wiki Activity

Rip out OBJ

Browse Source
This commit is contained in:
jordan4ibanez 2023-11-29 03:41:36 -05:00
parent a95de833c8
commit 821ad77f92
6 changed files with 0 additions and 754 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
include/EMeshWriterEnums.h
View File

@ -22,9 +22,6 @@ namespace scene
EMWT_IRR_MESH = MAKE_IRR_ID('i','r','r','m'),
//! OBJ mesh writer for .obj files
EMWT_OBJ = MAKE_IRR_ID('o','b','j',0),
//! B3D mesh writer, for static .b3d files
EMWT_B3D = MAKE_IRR_ID('b', '3', 'd', 0)
};

3
include/IMesh.h
View File

@ -21,9 +21,6 @@ namespace scene
//! Unknown animated mesh type.
EAMT_UNKNOWN = 0,
//! Maya .obj static model
EAMT_OBJ,
//! generic skinned mesh
EAMT_SKINNED,

7
include/ISceneManager.h
View File

@ -159,13 +159,6 @@ namespace scene
* the joints via the ISkinnedMesh interface. Currently,
* Irrlicht only supports uncompressed .x files.</TD>
* </TR>
* <TR>
* <TD>Maya (.obj)</TD>
* <TD>Most 3D software can create .obj files which contain
* static geometry without material data. The material
* files .mtl are also supported. This importer for
* Irrlicht can load them directly. </TD>
* </TR>
* </TABLE>
*
* To load and display a mesh quickly, just do this:

17
include/SceneParameters.h
View File

@ -31,23 +31,6 @@ namespace scene
**/
const c8* const ALLOW_ZWRITE_ON_TRANSPARENT = "Allow_ZWrite_On_Transparent";
//! Flag to avoid loading group structures in .obj files
/** Use it like this:
\code
SceneManager->getParameters()->setAttribute(scene::OBJ_LOADER_IGNORE_GROUPS, true);
\endcode
**/
const c8* const OBJ_LOADER_IGNORE_GROUPS = "OBJ_IgnoreGroups";
//! Flag to avoid loading material .mtl file for .obj files
/** Use it like this:
\code
SceneManager->getParameters()->setAttribute(scene::OBJ_LOADER_IGNORE_MATERIAL_FILES, true);
\endcode
**/
const c8* const OBJ_LOADER_IGNORE_MATERIAL_FILES = "OBJ_IgnoreMaterialFiles";
} // end namespace scene
} // end namespace irr

614
source/Irrlicht/COBJMeshFileLoader.cpp
View File

@ -1,614 +0,0 @@
// Copyright (C) 2002-2012 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#include "COBJMeshFileLoader.h"
#include "IMeshManipulator.h"
#include "IVideoDriver.h"
#include "SMesh.h"
#include "SMeshBuffer.h"
#include "SAnimatedMesh.h"
#include "IReadFile.h"
#include "IAttributes.h"
#include "fast_atof.h"
#include "coreutil.h"
#include "os.h"
namespace irr
{
namespace scene
{
#ifdef _DEBUG
#define _IRR_DEBUG_OBJ_LOADER_
#endif
//! Constructor
COBJMeshFileLoader::COBJMeshFileLoader(scene::ISceneManager* smgr)
: SceneManager(smgr)
{
#ifdef _DEBUG
setDebugName("COBJMeshFileLoader");
#endif
}
//! destructor
COBJMeshFileLoader::~COBJMeshFileLoader()
{
}
//! returns true if the file maybe is able to be loaded by this class
//! based on the file extension (e.g. ".b3d")
bool COBJMeshFileLoader::isALoadableFileExtension(const io::path& filename) const
{
return core::hasFileExtension ( filename, "obj" );
}
//! creates/loads an animated mesh from the file.
//! \return Pointer to the created mesh. Returns 0 if loading failed.
//! If you no longer need the mesh, you should call IAnimatedMesh::drop().
//! See IReferenceCounted::drop() for more information.
IAnimatedMesh* COBJMeshFileLoader::createMesh(io::IReadFile* file)
{
if (!file)
return 0;
const long filesize = file->getSize();
if (!filesize)
return 0;
const u32 WORD_BUFFER_LENGTH = 512;
core::array<core::vector3df> vertexBuffer(1000);
core::array<core::vector3df> normalsBuffer(1000);
core::array<core::vector2df> textureCoordBuffer(1000);
SObjMtl * currMtl = new SObjMtl();
Materials.push_back(currMtl);
u32 smoothingGroup=0;
const io::path fullName = file->getFileName();
c8* buf = new c8[filesize+1]; // plus null-terminator
memset(buf, 0, filesize+1);
file->read((void*)buf, filesize);
const c8* const bufEnd = buf+filesize;
// Process obj information
const c8* bufPtr = buf;
core::stringc grpName, mtlName;
bool mtlChanged=false;
bool useGroups = !SceneManager->getParameters()->getAttributeAsBool(OBJ_LOADER_IGNORE_GROUPS);
bool useMaterials = !SceneManager->getParameters()->getAttributeAsBool(OBJ_LOADER_IGNORE_MATERIAL_FILES);
[[maybe_unused]] irr::u32 lineNr = 1; // only counts non-empty lines, still useful in debugging to locate errors
core::array<int> faceCorners;
faceCorners.reallocate(32); // should be large enough
const core::stringc TAG_OFF = "off";
irr::u32 degeneratedFaces = 0;
while(bufPtr != bufEnd)
{
switch(bufPtr[0])
{
case 'm': // mtllib (material)
{
if (useMaterials)
{
c8 name[WORD_BUFFER_LENGTH];
bufPtr = goAndCopyNextWord(name, bufPtr, WORD_BUFFER_LENGTH, bufEnd);
#ifdef _IRR_DEBUG_OBJ_LOADER_
os::Printer::log("Ignoring material file",name);
#endif
}
}
break;
case 'v': // v, vn, vt
switch(bufPtr[1])
{
case ' ': // vertex
{
core::vector3df vec;
bufPtr = readVec3(bufPtr, vec, bufEnd);
vertexBuffer.push_back(vec);
}
break;
case 'n': // normal
{
core::vector3df vec;
bufPtr = readVec3(bufPtr, vec, bufEnd);
normalsBuffer.push_back(vec);
}
break;
case 't': // texcoord
{
core::vector2df vec;
bufPtr = readUV(bufPtr, vec, bufEnd);
textureCoordBuffer.push_back(vec);
}
break;
}
break;
case 'g': // group name
{
c8 grp[WORD_BUFFER_LENGTH];
bufPtr = goAndCopyNextWord(grp, bufPtr, WORD_BUFFER_LENGTH, bufEnd);
#ifdef _IRR_DEBUG_OBJ_LOADER_
os::Printer::log("Loaded group start",grp, ELL_DEBUG);
#endif
if (useGroups)
{
if (0 != grp[0])
grpName = grp;
else
grpName = "default";
}
mtlChanged=true;
}
break;
case 's': // smoothing can be a group or off (equiv. to 0)
{
c8 smooth[WORD_BUFFER_LENGTH];
bufPtr = goAndCopyNextWord(smooth, bufPtr, WORD_BUFFER_LENGTH, bufEnd);
#ifdef _IRR_DEBUG_OBJ_LOADER_
os::Printer::log("Loaded smoothing group start",smooth, ELL_DEBUG);
#endif
if (TAG_OFF==smooth)
smoothingGroup=0;
else
smoothingGroup=core::strtoul10(smooth);
(void)smoothingGroup; // disable unused variable warnings
}
break;
case 'u': // usemtl
// get name of material
{
c8 matName[WORD_BUFFER_LENGTH];
bufPtr = goAndCopyNextWord(matName, bufPtr, WORD_BUFFER_LENGTH, bufEnd);
#ifdef _IRR_DEBUG_OBJ_LOADER_
os::Printer::log("Loaded material start",matName, ELL_DEBUG);
#endif
mtlName=matName;
mtlChanged=true;
}
break;
case 'f': // face
{
c8 vertexWord[WORD_BUFFER_LENGTH]; // for retrieving vertex data
video::S3DVertex v;
// Assign vertex color from currently active material's diffuse color
if (mtlChanged)
{
// retrieve the material
SObjMtl *useMtl = findMtl(mtlName, grpName);
// only change material if we found it
if (useMtl)
currMtl = useMtl;
mtlChanged=false;
}
if (currMtl)
v.Color = currMtl->Meshbuffer->Material.DiffuseColor;
// get all vertices data in this face (current line of obj file)
const core::stringc wordBuffer = copyLine(bufPtr, bufEnd);
const c8* linePtr = wordBuffer.c_str();
const c8* const endPtr = linePtr+wordBuffer.size();
faceCorners.set_used(0); // fast clear
// read in all vertices
linePtr = goNextWord(linePtr, endPtr);
while (0 != linePtr[0])
{
// Array to communicate with retrieveVertexIndices()
// sends the buffer sizes and gets the actual indices
// if index not set returns -1
s32 Idx[3];
Idx[0] = Idx[1] = Idx[2] = -1;
// read in next vertex's data
u32 wlength = copyWord(vertexWord, linePtr, WORD_BUFFER_LENGTH, endPtr);
// this function will also convert obj's 1-based index to c++'s 0-based index
retrieveVertexIndices(vertexWord, Idx, vertexWord+wlength+1, vertexBuffer.size(), textureCoordBuffer.size(), normalsBuffer.size());
if ( Idx[0] >= 0 && Idx[0] < (irr::s32)vertexBuffer.size() )
v.Pos = vertexBuffer[Idx[0]];
else
{
os::Printer::log("Invalid vertex index in this line", wordBuffer.c_str(), ELL_ERROR);
delete [] buf;
cleanUp();
return 0;
}
if ( Idx[1] >= 0 && Idx[1] < (irr::s32)textureCoordBuffer.size() )
v.TCoords = textureCoordBuffer[Idx[1]];
else
v.TCoords.set(0.0f,0.0f);
if ( Idx[2] >= 0 && Idx[2] < (irr::s32)normalsBuffer.size() )
v.Normal = normalsBuffer[Idx[2]];
else
{
v.Normal.set(0.0f,0.0f,0.0f);
currMtl->RecalculateNormals=true;
}
int vertLocation;
auto n = currMtl->VertMap.find(v);
if (n != currMtl->VertMap.end())
{
vertLocation = n->second;
}
else
{
currMtl->Meshbuffer->Vertices.push_back(v);
vertLocation = currMtl->Meshbuffer->Vertices.size() -1;
currMtl->VertMap.emplace(v, vertLocation);
}
faceCorners.push_back(vertLocation);
// go to next vertex
linePtr = goNextWord(linePtr, endPtr);
}
if (faceCorners.size() < 3)
{
os::Printer::log("Too few vertices in this line", wordBuffer.c_str(), ELL_ERROR);
delete [] buf;
cleanUp();
return 0;
}
// triangulate the face
const int c = faceCorners[0];
for ( u32 i = 1; i < faceCorners.size() - 1; ++i )
{
// Add a triangle
const int a = faceCorners[i + 1];
const int b = faceCorners[i];
if (a != b && a != c && b != c) // ignore degenerated faces. We can get them when we merge vertices above in the VertMap.
{
currMtl->Meshbuffer->Indices.push_back(a);
currMtl->Meshbuffer->Indices.push_back(b);
currMtl->Meshbuffer->Indices.push_back(c);
}
else
{
++degeneratedFaces;
}
}
}
break;
case '#': // comment
default:
break;
} // end switch(bufPtr[0])
// eat up rest of line
bufPtr = goNextLine(bufPtr, bufEnd);
++lineNr;
} // end while(bufPtr && (bufPtr-buf<filesize))
if ( degeneratedFaces > 0 )
{
irr::core::stringc log(degeneratedFaces);
log += " degenerated faces removed in ";
log += irr::core::stringc(fullName);
os::Printer::log(log.c_str(), ELL_INFORMATION);
}
SMesh* mesh = new SMesh();
// Combine all the groups (meshbuffers) into the mesh
for ( u32 m = 0; m < Materials.size(); ++m )
{
if ( Materials[m]->Meshbuffer->getIndexCount() > 0 )
{
Materials[m]->Meshbuffer->recalculateBoundingBox();
if (Materials[m]->RecalculateNormals)
SceneManager->getMeshManipulator()->recalculateNormals(Materials[m]->Meshbuffer);
mesh->addMeshBuffer( Materials[m]->Meshbuffer );
}
}
// Create the Animated mesh if there's anything in the mesh
SAnimatedMesh* animMesh = 0;
if ( 0 != mesh->getMeshBufferCount() )
{
mesh->recalculateBoundingBox();
animMesh = new SAnimatedMesh();
animMesh->Type = EAMT_OBJ;
animMesh->addMesh(mesh);
animMesh->recalculateBoundingBox();
}
// Clean up the allocate obj file contents
delete [] buf;
// more cleaning up
cleanUp();
mesh->drop();
return animMesh;
}
//! Read RGB color
const c8* COBJMeshFileLoader::readColor(const c8* bufPtr, video::SColor& color, const c8* const bufEnd)
{
const u32 COLOR_BUFFER_LENGTH = 16;
c8 colStr[COLOR_BUFFER_LENGTH];
bufPtr = goAndCopyNextWord(colStr, bufPtr, COLOR_BUFFER_LENGTH, bufEnd);
color.setRed((u32)core::round32(core::fast_atof(colStr)*255.f));
bufPtr = goAndCopyNextWord(colStr, bufPtr, COLOR_BUFFER_LENGTH, bufEnd);
color.setGreen((u32)core::round32(core::fast_atof(colStr)*255.f));
bufPtr = goAndCopyNextWord(colStr, bufPtr, COLOR_BUFFER_LENGTH, bufEnd);
color.setBlue((u32)core::round32(core::fast_atof(colStr)*255.f));
return bufPtr;
}
//! Read 3d vector of floats
const c8* COBJMeshFileLoader::readVec3(const c8* bufPtr, core::vector3df& vec, const c8* const bufEnd)
{
const u32 WORD_BUFFER_LENGTH = 256;
c8 wordBuffer[WORD_BUFFER_LENGTH];
bufPtr = goAndCopyNextWord(wordBuffer, bufPtr, WORD_BUFFER_LENGTH, bufEnd);
vec.X=-core::fast_atof(wordBuffer); // change handedness
bufPtr = goAndCopyNextWord(wordBuffer, bufPtr, WORD_BUFFER_LENGTH, bufEnd);
vec.Y=core::fast_atof(wordBuffer);
bufPtr = goAndCopyNextWord(wordBuffer, bufPtr, WORD_BUFFER_LENGTH, bufEnd);
vec.Z=core::fast_atof(wordBuffer);
return bufPtr;
}
//! Read 2d vector of floats
const c8* COBJMeshFileLoader::readUV(const c8* bufPtr, core::vector2df& vec, const c8* const bufEnd)
{
const u32 WORD_BUFFER_LENGTH = 256;
c8 wordBuffer[WORD_BUFFER_LENGTH];
bufPtr = goAndCopyNextWord(wordBuffer, bufPtr, WORD_BUFFER_LENGTH, bufEnd);
vec.X=core::fast_atof(wordBuffer);
bufPtr = goAndCopyNextWord(wordBuffer, bufPtr, WORD_BUFFER_LENGTH, bufEnd);
vec.Y=1-core::fast_atof(wordBuffer); // change handedness
return bufPtr;
}
//! Read boolean value represented as 'on' or 'off'
const c8* COBJMeshFileLoader::readBool(const c8* bufPtr, bool& tf, const c8* const bufEnd)
{
const u32 BUFFER_LENGTH = 8;
c8 tfStr[BUFFER_LENGTH];
bufPtr = goAndCopyNextWord(tfStr, bufPtr, BUFFER_LENGTH, bufEnd);
tf = strcmp(tfStr, "off") != 0;
return bufPtr;
}
COBJMeshFileLoader::SObjMtl* COBJMeshFileLoader::findMtl(const core::stringc& mtlName, const core::stringc& grpName)
{
COBJMeshFileLoader::SObjMtl* defMaterial = 0;
// search existing Materials for best match
// exact match does return immediately, only name match means a new group
for (u32 i = 0; i < Materials.size(); ++i)
{
if ( Materials[i]->Name == mtlName )
{
if ( Materials[i]->Group == grpName )
return Materials[i];
else
defMaterial = Materials[i];
}
}
// we found a partial match
if (defMaterial)
{
Materials.push_back(new SObjMtl(*defMaterial));
Materials.getLast()->Group = grpName;
return Materials.getLast();
}
// we found a new group for a non-existent material
else if (grpName.size())
{
Materials.push_back(new SObjMtl(*Materials[0]));
Materials.getLast()->Group = grpName;
return Materials.getLast();
}
return 0;
}
//! skip space characters and stop on first non-space
const c8* COBJMeshFileLoader::goFirstWord(const c8* buf, const c8* const bufEnd, bool acrossNewlines)
{
// skip space characters
if (acrossNewlines)
while((buf != bufEnd) && core::isspace(*buf))
++buf;
else
while((buf != bufEnd) && core::isspace(*buf) && (*buf != '\n'))
++buf;
return buf;
}
//! skip current word and stop at beginning of next one
const c8* COBJMeshFileLoader::goNextWord(const c8* buf, const c8* const bufEnd, bool acrossNewlines)
{
// skip current word
while(( buf != bufEnd ) && !core::isspace(*buf))
++buf;
return goFirstWord(buf, bufEnd, acrossNewlines);
}
//! Read until line break is reached and stop at the next non-space character
const c8* COBJMeshFileLoader::goNextLine(const c8* buf, const c8* const bufEnd)
{
// look for newline characters
while(buf != bufEnd)
{
// found it, so leave
if (*buf=='\n' || *buf=='\r')
break;
++buf;
}
return goFirstWord(buf, bufEnd);
}
u32 COBJMeshFileLoader::copyWord(c8* outBuf, const c8* const inBuf, u32 outBufLength, const c8* const bufEnd)
{
if (!outBufLength)
return 0;
if (!inBuf)
{
*outBuf = 0;
return 0;
}
u32 i = 0;
while(inBuf[i])
{
if (core::isspace(inBuf[i]) || &(inBuf[i]) == bufEnd)
break;
++i;
}
u32 length = core::min_(i, outBufLength-1);
for (u32 j=0; j<length; ++j)
outBuf[j] = inBuf[j];
outBuf[length] = 0;
return length;
}
core::stringc COBJMeshFileLoader::copyLine(const c8* inBuf, const c8* bufEnd)
{
if (!inBuf)
return core::stringc();
const c8* ptr = inBuf;
while (ptr<bufEnd)
{
if (*ptr=='\n' || *ptr=='\r')
break;
++ptr;
}
// we must avoid the +1 in case the array is used up
return core::stringc(inBuf, (u32)(ptr-inBuf+((ptr < bufEnd) ? 1 : 0)));
}
const c8* COBJMeshFileLoader::goAndCopyNextWord(c8* outBuf, const c8* inBuf, u32 outBufLength, const c8* bufEnd)
{
inBuf = goNextWord(inBuf, bufEnd, false);
copyWord(outBuf, inBuf, outBufLength, bufEnd);
return inBuf;
}
bool COBJMeshFileLoader::retrieveVertexIndices(c8* vertexData, s32* idx, const c8* bufEnd, u32 vbsize, u32 vtsize, u32 vnsize)
{
const u32 BUFFER_LENGTH = 16;
c8 word[BUFFER_LENGTH];
const c8* p = goFirstWord(vertexData, bufEnd);
u32 idxType = 0; // 0 = posIdx, 1 = texcoordIdx, 2 = normalIdx
u32 i = 0;
while ( p != bufEnd )
{
if ( i >= BUFFER_LENGTH )
{
return false;
}
if ( ( core::isdigit(*p)) || (*p == '-') )
{
// build up the number
word[i++] = *p;
}
else if ( *p == '/' || *p == ' ' || *p == '\0' )
{
// number is completed. Convert and store it
word[i] = '\0';
// if no number was found index will become 0 and later on -1 by decrement
idx[idxType] = core::strtol10(word);
if (idx[idxType]<0)
{
switch (idxType)
{
case 0:
idx[idxType] += vbsize;
break;
case 1:
idx[idxType] += vtsize;
break;
case 2:
idx[idxType] += vnsize;
break;
}
}
else
idx[idxType]-=1;
// reset the word
word[0] = '\0';
i = 0;
// go to the next kind of index type
if (*p == '/')
{
if ( ++idxType > 2 )
{
// error checking, shouldn't reach here unless file is wrong
idxType = 0;
}
}
else
{
// set all missing values to disable (=-1)
while (++idxType < 3)
idx[idxType]=-1;
++p;
break; // while
}
}
// go to the next char
++p;
}
return true;
}
void COBJMeshFileLoader::cleanUp()
{
for (u32 i=0; i < Materials.size(); ++i )
{
Materials[i]->Meshbuffer->drop();
delete Materials[i];
}
Materials.clear();
}
} // end namespace scene
} // end namespace irr

110
source/Irrlicht/COBJMeshFileLoader.h
View File

@ -1,110 +0,0 @@
// Copyright (C) 2002-2012 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#pragma once
#include <map>
#include "IMeshLoader.h"
#include "ISceneManager.h"
#include "irrString.h"
#include "SMeshBuffer.h"
namespace irr
{
namespace scene
{
//! Meshloader capable of loading obj meshes.
class COBJMeshFileLoader : public IMeshLoader
{
public:
//! Constructor
COBJMeshFileLoader(scene::ISceneManager* smgr);
//! destructor
virtual ~COBJMeshFileLoader();
//! returns true if the file maybe is able to be loaded by this class
//! based on the file extension (e.g. ".obj")
bool isALoadableFileExtension(const io::path& filename) const override;
//! creates/loads an animated mesh from the file.
//! \return Pointer to the created mesh. Returns 0 if loading failed.
//! If you no longer need the mesh, you should call IAnimatedMesh::drop().
//! See IReferenceCounted::drop() for more information.
IAnimatedMesh* createMesh(io::IReadFile* file) override;
private:
struct SObjMtl
{
SObjMtl() : Meshbuffer(0), Bumpiness (1.0f), Illumination(0),
RecalculateNormals(false)
{
Meshbuffer = new SMeshBuffer();
Meshbuffer->Material.Shininess = 0.0f;
Meshbuffer->Material.AmbientColor = video::SColorf(0.2f, 0.2f, 0.2f, 1.0f).toSColor();
Meshbuffer->Material.DiffuseColor = video::SColorf(0.8f, 0.8f, 0.8f, 1.0f).toSColor();
Meshbuffer->Material.SpecularColor = video::SColorf(1.0f, 1.0f, 1.0f, 1.0f).toSColor();
}
SObjMtl(const SObjMtl& o)
: Name(o.Name), Group(o.Group),
Bumpiness(o.Bumpiness), Illumination(o.Illumination),
RecalculateNormals(false)
{
Meshbuffer = new SMeshBuffer();
Meshbuffer->Material = o.Meshbuffer->Material;
}
std::map<video::S3DVertex, int> VertMap;
scene::SMeshBuffer *Meshbuffer;
core::stringc Name;
core::stringc Group;
f32 Bumpiness;
c8 Illumination;
bool RecalculateNormals;
};
// returns a pointer to the first printable character available in the buffer
const c8* goFirstWord(const c8* buf, const c8* const bufEnd, bool acrossNewlines=true);
// returns a pointer to the first printable character after the first non-printable
const c8* goNextWord(const c8* buf, const c8* const bufEnd, bool acrossNewlines=true);
// returns a pointer to the next printable character after the first line break
const c8* goNextLine(const c8* buf, const c8* const bufEnd);
// copies the current word from the inBuf to the outBuf
u32 copyWord(c8* outBuf, const c8* inBuf, u32 outBufLength, const c8* const pBufEnd);
// copies the current line from the inBuf to the outBuf
core::stringc copyLine(const c8* inBuf, const c8* const bufEnd);
// combination of goNextWord followed by copyWord
const c8* goAndCopyNextWord(c8* outBuf, const c8* inBuf, u32 outBufLength, const c8* const pBufEnd);
//! Find and return the material with the given name
SObjMtl* findMtl(const core::stringc& mtlName, const core::stringc& grpName);
//! Read RGB color
const c8* readColor(const c8* bufPtr, video::SColor& color, const c8* const pBufEnd);
//! Read 3d vector of floats
const c8* readVec3(const c8* bufPtr, core::vector3df& vec, const c8* const pBufEnd);
//! Read 2d vector of floats
const c8* readUV(const c8* bufPtr, core::vector2df& vec, const c8* const pBufEnd);
//! Read boolean value represented as 'on' or 'off'
const c8* readBool(const c8* bufPtr, bool& tf, const c8* const bufEnd);
// reads and convert to integer the vertex indices in a line of obj file's face statement
// -1 for the index if it doesn't exist
// indices are changed to 0-based index instead of 1-based from the obj file
bool retrieveVertexIndices(c8* vertexData, s32* idx, const c8* bufEnd, u32 vbsize, u32 vtsize, u32 vnsize);
void cleanUp();
scene::ISceneManager* SceneManager;
core::array<SObjMtl*> Materials;
};
} // end namespace scene
} // end namespace irr