tlobj.h

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/*
 * Copyright (c) 2007-2017 Gero Mueller <post@geromueller.de>
 * 
 * This software is provided 'as-is', without any express or implied
 * warranty. In no event will the authors be held liable for any damages
 * arising from the use of this software.
 * 
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 * 
 *    1. The origin of this software must not be misrepresented; you must not
 *    claim that you wrote the original software. If you use this software
 *    in a product, an acknowledgment in the product documentation would be
 *    appreciated but is not required.
 *
 *    2. Altered source versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.
 *
 *    3. This notice may not be removed or altered from any source
 *    distribution.
 */

#ifndef TRIMESH_LOADER_OBJ_H
#define TRIMESH_LOADER_OBJ_H

#ifdef __cplusplus
extern "C" {
#endif

#ifndef TRIMESH_LOADER_EXPORT
    #define TRIMESH_LOADER_API
#else
    #define TRIMESH_LOADER_API extern
#endif

typedef struct tlObjState tlObjState;

/* state handling */
TRIMESH_LOADER_API tlObjState *tlObjCreateState();

TRIMESH_LOADER_API int tlObjResetState( tlObjState *state );

TRIMESH_LOADER_API void tlObjDestroyState( tlObjState *state );

/* parsing */
TRIMESH_LOADER_API int tlObjParse(
    tlObjState *state,
    const char *buffer,
    unsigned int length,
    int last );

/* data access */
TRIMESH_LOADER_API unsigned int tlObjObjectCount( tlObjState *state );

TRIMESH_LOADER_API const char *tlObjObjectName(
    tlObjState *state,
    unsigned int object );

TRIMESH_LOADER_API unsigned int tlObjObjectFaceCount(
    tlObjState *state,
    unsigned int object );

TRIMESH_LOADER_API unsigned int tlObjObjectFaceIndex(
    tlObjState *state,
    unsigned int object );

TRIMESH_LOADER_API unsigned int tlObjMaterialCount( tlObjState *state );

TRIMESH_LOADER_API const char *tlObjMaterialName(
    tlObjState *state,
    unsigned int object );

TRIMESH_LOADER_API unsigned int tlObjMaterialLibCount( tlObjState *state );

TRIMESH_LOADER_API const char *tlObjMaterialLibName(
    tlObjState *state,
    unsigned int object );

TRIMESH_LOADER_API int tlObjGetMaterial(
    tlObjState *state,
    unsigned int index,
    float *ambient,
    float *diffuse,
    float *specular,
    float *reflect );

TRIMESH_LOADER_API unsigned int tlObjMaterialReferenceCount( tlObjState *state );

TRIMESH_LOADER_API const char *tlObjMaterialReferenceName( 
    tlObjState *state,
    unsigned int object );

TRIMESH_LOADER_API int tlObjGetMaterialReference( 
    tlObjState *state,
    unsigned int index,
    unsigned int *face_index,
    unsigned int *face_count );

TRIMESH_LOADER_API unsigned int tlObjVertexCount( tlObjState *state );

TRIMESH_LOADER_API int tlObjGetVertexDouble(
    tlObjState *state,
    unsigned int index,
    double *x, double *y, double *z,
    double *tu, double *tv,
    double *nx, double *ny, double *nz );
    
TRIMESH_LOADER_API int tlObjGetVertex(
    tlObjState *state,
    unsigned int index,
    float *x, float *y, float *z,
    float *tu, float *tv,
    float *nx, float *ny, float *nz );
    
TRIMESH_LOADER_API unsigned int tlObjFaceCount(
    tlObjState *state );

TRIMESH_LOADER_API int tlObjGetFaceInt(
    tlObjState *state,
    unsigned int index,
    unsigned int *a,
    unsigned int *b,
    unsigned int *c );
    
TRIMESH_LOADER_API int tlObjGetFace(
    tlObjState *state,
    unsigned int index,
    unsigned short *a,
    unsigned short *b,
    unsigned short *c );

TRIMESH_LOADER_API int tlObjCheckFileExtension( const char *filename );

TRIMESH_LOADER_API unsigned int tlObjHasNormals( tlObjState *state );

#ifdef __cplusplus
}
#endif

#endif