76 lines
2.3 KiB
C++
76 lines
2.3 KiB
C++
/**
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* @file awavefront.h
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* @brief A system which allows saving in-world objects to Wavefront .OBJ files for offline texturizing/shading.
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* @authors Apelsin, Lirusaito
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*
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* $LicenseInfo:firstyear=2011&license=LGPLV3$
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* Copyright (C) 2011-2013 Apelsin
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA */
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#ifndef AWAVEFRONT
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#define AWAVEFRONT
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class LLFace;
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class LLPolyMesh;
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class LLViewerObject;
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class LLVOAvatar;
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class LLVolume;
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class LLVolumeFace;
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class LLXform;
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typedef std::vector<std::pair<LLVector3, LLVector2> > vert_t;
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typedef std::vector<LLVector3> vec3_t;
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struct tri
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{
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tri(int a, int b, int c) : v0(a), v1(b), v2(c) {}
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int v0;
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int v1;
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int v2;
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};
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typedef std::vector<tri> tri_t;
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class Wavefront
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{
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public:
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vert_t vertices;
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vec3_t normals; //null unless otherwise specified!
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tri_t triangles; //because almost all surfaces in SL are triangles
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std::string name;
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Wavefront(vert_t v, tri_t t);
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Wavefront(const LLVolumeFace* face, const LLXform* transform = NULL, const LLXform* transform_normals = NULL);
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Wavefront(LLFace* face, LLPolyMesh* mesh = NULL, const LLXform* transform = NULL, const LLXform* transform_normals = NULL);
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static void Transform(vert_t& v, const LLXform* x); //helper function
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static void Transform(vec3_t& v, const LLXform* x); //helper function
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};
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class WavefrontSaver
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{
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public:
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std::vector<Wavefront> obj_v;
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LLVector3 offset;
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WavefrontSaver();
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void Add(const Wavefront& obj);
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void Add(const LLVolume* vol, const LLXform* transform = NULL, const LLXform* transform_normals = NULL);
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void Add(const LLViewerObject* some_vo);
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void Add(const LLVOAvatar* av_vo);
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bool saveFile(LLFILE* fp);
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};
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#endif // AWAVEFRONT
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