NazaraEngine/include/Nazara/Utility/Formats/OBJParser.hpp

77 lines
1.8 KiB
C++

// Copyright (C) 2015 Jérôme Leclercq
// This file is part of the "Nazara Engine - Utility module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#pragma once
#ifndef NAZARA_FORMATS_OBJPARSER_HPP
#define NAZARA_FORMATS_OBJPARSER_HPP
#include <Nazara/Prerequesites.hpp>
#include <Nazara/Core/InputStream.hpp>
#include <Nazara/Core/String.hpp>
#include <Nazara/Math/Vector3.hpp>
#include <Nazara/Math/Vector4.hpp>
#include <Nazara/Utility/Config.hpp>
#include <vector>
class NAZARA_UTILITY_API NzOBJParser
{
public:
struct FaceVertex
{
int normal;
int position;
int texCoord;
};
struct Face
{
std::vector<FaceVertex> vertices;
};
struct Mesh
{
std::vector<Face> faces;
NzString name;
unsigned int material;
};
NzOBJParser(NzInputStream& stream$);
~NzOBJParser();
const NzString* GetMaterials() const;
unsigned int GetMaterialCount() const;
const Mesh* GetMeshes() const;
unsigned int GetMeshCount() const;
const NzString& GetMtlLib() const;
const NzVector3f* GetNormals() const;
unsigned int GetNormalCount() const;
const NzVector4f* GetPositions() const;
unsigned int GetPositionCount() const;
const NzVector3f* GetTexCoords() const;
unsigned int GetTexCoordCount() const;
bool Parse();
private:
bool Advance(bool required = true);
void Error(const NzString& message);
void Warning(const NzString& message);
void UnrecognizedLine(bool error = false);
std::vector<Mesh> m_meshes;
std::vector<NzString> m_materials;
std::vector<NzVector3f> m_normals;
std::vector<NzVector4f> m_positions;
std::vector<NzVector3f> m_texCoords;
NzInputStream& m_stream;
NzString m_currentLine;
NzString m_mtlLib;
bool m_keepLastLine;
unsigned int m_lineCount;
unsigned int m_streamFlags;
};
#endif // NAZARA_FORMATS_OBJPARSER_HPP