lib3ds-20080909

lib3ds is an overall software library for managing 3D-Studio Release 3 and 4 ".3DS" files. It is a free alternative to Autodesk's 3DS File Toolkit for managing 3DS files. It started out in 1996 to be released in 1999 under the GNU General Public License (GPL) as Open-Source software. In 2000, the li

/*
    Copyright （C） 2008 by Jan Eric Kyprianidis 
    All rights reserved.
    
    This program is free  software: you can redistribute it and/or modify 
    it under the terms of the GNU Lesser General Public License as published 
    by the Free Software Foundation either version 2.1 of the License or 
    （at your option） any later version.

    Thisprogram  is  distributed in the hope that it will be useful 
    but WITHOUT ANY WARRANTY; without even the implied warranty of 
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 
    GNU Lesser General Public License for more details.
    
    You should  have received a copy of the GNU Lesser General Public License
    along with  this program; If not see . 
*/
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 


#ifdef _MSC_VER
#pragma warning （ disable : 4996 ）
#endif


/**
    @example 3ds2obj.cpp
    This example shows how to convert a 3DS file to a Wavefront OBJ file.
*/


static void
help（） {
    fprintf（stderr
        “Syntax: 3ds2obj 3ds-file [obj-file] [mtl-file]\n“
    ）;
    exit（1）;     
}


static const char* input = 0;
static char* obj_file = 0;
static char* mtl_file = 0;
static int max_vertices = 0;
static int max_texcos = 0;
static int max_normals = 0;


void parse_args（int argc char **argv） {
    int i;

    for （i = 1; i < argc; ++i） {
        if （argv[i][0] == ‘-‘） {
            if （（strcmp（argv[i] “-h“） == 0） || （strcmp（argv[i] “--help“） == 0）） {
                help（）;
            } else {
                help（）;
            }
        } else {
            if （!input） {
                input = argv[i];
            } else if （!obj_file） {
                obj_file = argv[i];
            } else if （!mtl_file） {
                mtl_file = argv[i];
            } else {
                help（）;
            }
        }
    }

    if （input） {
        size_t input_len = strlen（input）;
        if （（input_len > 4） && （strcmp（input + input_len - 4 “.3ds“） == 0）） {
            if （!obj_file） {
                obj_file = （char*）malloc（sizeof（char*） * （input_len + 1））;
                strcpy（obj_file input）;
                strcpy（obj_file + input_len - 4 “.obj“）;
            }
            if （!mtl_file） {
                mtl_file = （char*）malloc（sizeof（char*） * （input_len + 1））;
                strcpy（mtl_file input）;
                strcpy（mtl_file + input_len - 4 “.mtl“）;
            }
        }
    }

    if （!input || !obj_file） {
        help（）;
    }
}


void write_mtl（FILE *mtl Lib3dsFile *f） {
    int i j;

    fprintf（mtl “# Wavefront material file\n“）;
    fprintf（mtl “# Converted by 3ds2obj\n“）;
    fprintf（mtl “# http://www.lib3ds.org\n\n“）;

    {
        int unique = 1;
        for 

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2008-09-09 13:43  lib3ds-20080909\
     文件       22257  2008-09-09 13:43  lib3ds-20080909\Makefile.in
     目录           0  2008-09-09 13:43  lib3ds-20080909\src\
     文件       20852  2008-09-09 13:41  lib3ds-20080909\src\lib3ds_mesh.c
     文件       31071  2008-09-09 13:41  lib3ds-20080909\src\lib3ds.h
     文件       17986  2008-09-09 13:43  lib3ds-20080909\src\Makefile.in
     文件        7459  2008-09-09 13:41  lib3ds-20080909\src\lib3ds_atmosphere.c
     文件        1760  2008-09-09 13:41  lib3ds-20080909\src\lib3ds.rc
     文件       26698  2008-09-09 13:41  lib3ds-20080909\src\lib3ds_material.c
     文件        8499  2008-09-09 13:41  lib3ds-20080909\src\lib3ds.vcproj
     文件        2025  2008-09-09 13:41  lib3ds-20080909\src\lib3ds_math.c
     文件        2897  2008-09-09 13:41  lib3ds-20080909\src\lib3ds_util.c
     文件        5258  2008-09-09 13:41  lib3ds-20080909\src\lib3ds_vector.c
     文件       12355  2008-09-09 13:41  lib3ds-20080909\src\lib3ds_viewport.c
     文件        9906  2008-09-09 13:41  lib3ds-20080909\src\lib3ds_io.c
     文件         696  2008-09-09 13:41  lib3ds-20080909\src\Makefile.am
     文件        6359  2008-09-09 13:41  lib3ds-20080909\src\lib3ds_quat.c
     文件        2997  2008-09-09 13:41  lib3ds-20080909\src\lib3ds_shadow.c
     文件        9741  2008-09-09 13:41  lib3ds-20080909\src\lib3ds_light.c
     文件        6014  2008-09-09 13:41  lib3ds-20080909\src\lib3ds_background.c
     文件       36628  2008-09-09 13:41  lib3ds-20080909\src\lib3ds_node.c
     文件       15741  2008-09-09 13:41  lib3ds-20080909\src\lib3ds_track.c
     文件       39629  2008-09-09 13:41  lib3ds-20080909\src\lib3ds_file.c
     文件       10116  2008-09-09 13:41  lib3ds-20080909\src\lib3ds_chunktable.c
     文件        4487  2008-09-09 13:41  lib3ds-20080909\src\lib3ds_camera.c
     文件       15236  2008-09-09 13:41  lib3ds-20080909\src\lib3ds_impl.h
     文件       10972  2008-09-09 13:41  lib3ds-20080909\src\lib3ds_matrix.c
     文件        3806  2008-09-09 13:41  lib3ds-20080909\src\lib3ds_chunk.c
     文件        1343  2008-09-09 13:41  lib3ds-20080909\lib3ds-config.in
     文件       32724  2007-10-23 19:18  lib3ds-20080909\config.sub
     文件        2821  2008-09-09 13:41  lib3ds-20080909\lib3ds.m4
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