160 lines
5.2 KiB
C
160 lines
5.2 KiB
C
/*
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* Copyright (c) 2007 Gero Mueller <gero.mueller@cloo.de>
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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*
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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*
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* 3. This notice may not be removed or altered from any source
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* distribution.
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*/
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/** \mainpage trimeshloader-0.1
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* \section project_page Project Page
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* \url http://sourceforge.net/projects/trimeshloader
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* \section website Website with tutorials
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* \url http://trimeshloader.sourceforge.net
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*/
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/**
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@file trimeshloader.h
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@brief Trimeshloader public header file
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*/
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#ifndef TRIMESH_LOADER_H
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#define TRIMESH_LOADER_H
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#include "tlobj.h"
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#include "tl3ds.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef TRIMESH_LOADER_EXPORT
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#define TRIMESH_LOADER_API
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#else
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#define TRIMESH_LOADER_API extern
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#endif
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/** @defgroup high_level_api Trimeshloader high level API
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* @{
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*/
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/** Structure describing an Object (or SubMesh, Batch) */
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typedef struct tlObject
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{
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/** Name of the Object */
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char *name;
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/** First face in the index list */
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unsigned int face_index;
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/** Face count */
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unsigned int face_count;
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} tlObject;
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/** Used as format flag in loading functions: load the position of the vertex */
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#define TL_FVF_XYZ 1
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/** Used as format flag in loading functions: load the texturecoordinate of the vertex */
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#define TL_FVF_UV 2
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/** Used as format flag in loading functions: load the normal of the vertex */
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#define TL_FVF_NORMAL 4
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/** Structure describing an Trimesh (index triangle list) containing objects, vertices (point, texture coordinate and normal) and triangle indices */
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typedef struct tlTrimesh
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{
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/** pointer to the vertex data */
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float *vertices;
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/** number of vertices */
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unsigned int vertex_count;
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/** format of the vertices */
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unsigned int vertex_format;
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/** size/stride of each vertex, in bytes */
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unsigned int vertex_size;
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/** pointer to the face (triangle) indices (3 unsigned shorts) */
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unsigned short *faces;
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/** number of faces */
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unsigned int face_count;
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/** list of objects in this trimesh */
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tlObject *objects;
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/** number of objects */
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unsigned int object_count;
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} tlTrimesh;
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/** Load an 3DS file in an tlTrimesh structure
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* \param filename Pointer to NULL-terminated string containing the filename
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* \param vertex_format Defines the vertex format. any format combination of TL_FVF_XYZ, TL_FVF_UV, TL_FVF_NORMAL
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* \return Returns a new tlTrimesh object, which needs to be deleted with tlDeleteTrimesh. NULL on error.
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*/
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TRIMESH_LOADER_API tlTrimesh *tlLoad3DS( const char*filename, unsigned int vertex_format );
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/** Load an OBJ file in an tlTrimesh structure
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* \param filename Pointer to NULL-terminated string containing the filename
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* \param vertex_format Defines the vertex format. any format combination of TL_FVF_XYZ, TL_FVF_UV, TL_FVF_NORMAL
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* \return Returns a new tlTrimesh object, which needs to be deleted with tlDeleteTrimesh. NULL on error.
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*/
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TRIMESH_LOADER_API tlTrimesh *tlLoadOBJ( const char*filename, unsigned int vertex_format );
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/** Create an a tlTrimesh structure from a tlObjState
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* \param state Pointer to state after parsing.
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* \param vertex_format Defines the vertex format. any format combination of TL_FVF_XYZ, TL_FVF_UV, TL_FVF_NORMAL
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* \return Returns a new tlTrimesh object, which needs to be deleted with tlDeleteTrimesh. NULL on error.
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*/
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TRIMESH_LOADER_API tlTrimesh *tlCreateTrimeshFromObjState( tlObjState *state, unsigned int vertex_format );
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/** Create an a tlTrimesh structure from a tl3dsState
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* \param state Pointer to state after parsing.
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* \param vertex_format Defines the vertex format. any format combination of TL_FVF_XYZ, TL_FVF_UV, TL_FVF_NORMAL
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* \return Returns a new tlTrimesh object, which needs to be deleted with tlDeleteTrimesh. NULL on error.
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*/
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TRIMESH_LOADER_API tlTrimesh *tlCreateTrimeshFrom3dsState( tl3dsState *state, unsigned int vertex_format );
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/** Load an 3DS or OBJ file in an tlTrimesh structure. Automatic extension parsing is done.
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* \param filename Pointer to NULL-terminated string containing the filename
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* \param vertex_format Defines the vertex format. any format combination of TL_FVF_XYZ, TL_FVF_UV, TL_FVF_NORMAL
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* \return Returns a new tlTrimesh object, which needs to be deleted with tlDeleteTrimesh. NULL on error.
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*/
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TRIMESH_LOADER_API tlTrimesh *tlLoadTrimesh( const char*filename, unsigned int vertex_format );
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/** Delete an previously loaded tlTrimesh object
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* \param trimesh Previously loaded tlTrimesh object
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*/
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TRIMESH_LOADER_API void tlDeleteTrimesh( tlTrimesh *trimesh );
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /*TRIMESHLOADER_H_*/
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