objfile.h

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#ifndef LE_OBJFILE_H
#define LE_OBJFILE_H

#include "global.h"
#include "config.h"

#include "geometry.h"
#include "color.h"
#include "mesh.h"

#include <stdio.h>
#include <string.h>

/*****************************************************************************/
struct LeObjMaterial
{
    char name[LE_OBJ_MAX_NAME+1];       
    LeColor ambient;                    
    LeColor diffuse;                    
    LeColor specular;                   
    float shininess;                    
    float transparency;                 
    char texture[LE_OBJ_MAX_NAME+1];    
    LeObjMaterial()
    {
        strcpy(name, "default");
        ambient = LeColor(255, 255, 255, 0);
        diffuse = LeColor(255, 255, 255, 0);
        specular = LeColor(255, 255, 255, 0);
        shininess = 0.0f;
        transparency = 0.0f;
        texture[0] = '\0';
    }
};

/*****************************************************************************/
class LeObjFile
{
public:
    LeObjFile(const char * filename);
    ~LeObjFile();

    int getNoMeshes();
    const char * getMeshName(int index);
    
    LeMesh * load(int index);
    void save(const LeMesh * mesh);

private:
    void importMeshAllocate(FILE * file, LeMesh * mesh);
    void importMeshData(FILE * file, LeMesh * mesh);

    void exportHeader(FILE * file, const LeMesh * mesh);
    void exportVertexes(FILE * file, const LeMesh * mesh);
    void exportNormals(FILE * file, const LeMesh * mesh);
    void exportTexCoords(FILE * file, const LeMesh * mesh);
    void exportTriangles(FILE * file, const LeMesh * mesh);
    void exportMaterials(FILE * file, const LeMesh * mesh);

    void loadMaterialLibraries(FILE * file);
    void importMaterialAllocate(FILE * file);
    void importMaterialData(FILE * file);
    LeObjMaterial * getMaterialFromName(const char * name);

    void readVertex(LeMesh * mesh, int index);
    void readNormal(LeMesh * mesh, int index);
    void readTriangle(LeMesh * mesh, int index);
    void readTexCoord(LeMesh * mesh, int index);
    void readColor(const char * buffer, LeColor & color);

    char * path;                        
    LeObjMaterial * materials;          
    LeObjMaterial * curMaterial;        
    int noMaterials;                    
    LeVertex * normals;                 
    int noNormals;                      
    int readLine(FILE * file);  
    char line[LE_OBJ_MAX_LINE+1];       
};

#endif // LE_OBJFILE_H