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A lightweight C++ OpenGL middleware for 2D/3D graphics

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# D:/VL/BuildSystem/VL_DISTRO/Visualization_Library_SDK/src/vlGraphics/plugins/ioOBJ.hpp

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    00001 /**************************************************************************************/
    00002 /*                                                                                    */
    00003 /*  Visualization Library                                                             */
    00004 /*  http://www.visualizationlibrary.org                                               */
    00005 /*                                                                                    */
    00006 /*  Copyright (c) 2005-2010, Michele Bosi                                             */
    00007 /*  All rights reserved.                                                              */
    00008 /*                                                                                    */
    00009 /*  Redistribution and use in source and binary forms, with or without modification,  */
    00010 /*  are permitted provided that the following conditions are met:                     */
    00011 /*                                                                                    */
    00012 /*  - Redistributions of source code must retain the above copyright notice, this     */
    00013 /*  list of conditions and the following disclaimer.                                  */
    00014 /*                                                                                    */
    00015 /*  - Redistributions in binary form must reproduce the above copyright notice, this  */
    00016 /*  list of conditions and the following disclaimer in the documentation and/or       */
    00017 /*  other materials provided with the distribution.                                   */
    00018 /*                                                                                    */
    00019 /*  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND   */
    00020 /*  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED     */
    00021 /*  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE            */
    00022 /*  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR  */
    00023 /*  ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES    */
    00024 /*  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;      */
    00025 /*  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON    */
    00026 /*  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT           */
    00027 /*  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS     */
    00028 /*  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.                      */
    00029 /*                                                                                    */
    00030 /**************************************************************************************/
    00031
    00032 #if !defined(LoadOBJ_INCLUDE_ONCE)
    00033 #define LoadOBJ_INCLUDE_ONCE
    00034
    00035 #include <vlCore/String.hpp>
    00036 #include <vlGraphics/Geometry.hpp>
    00037 #include <vlCore/ResourceLoadWriter.hpp>
    00038 #include <vlCore/ResourceDatabase.hpp>
    00039 #include <map>
    00040
    00041 namespace vl
    00042 {
    00043   class VirtualFile;
    00044
    00045 //-----------------------------------------------------------------------------
    00047   VLGRAPHICS_EXPORT ref<ResourceDatabase> loadOBJ( const String& path );
    00048 //-----------------------------------------------------------------------------
    00050   VLGRAPHICS_EXPORT ref<ResourceDatabase> loadOBJ( VirtualFile* file );
    00051 //---------------------------------------------------------------------------
    00052 // LoadWriterOBJ
    00053 //---------------------------------------------------------------------------
    00057   class LoadWriterOBJ: public ResourceLoadWriter
    00058   {
    00059     VL_INSTRUMENT_CLASS(vl::LoadWriterOBJ, ResourceLoadWriter)
    00060
    00061   public:
    00062     LoadWriterOBJ(): ResourceLoadWriter("|obj|", "|obj|") {}
    00063
    00064     void registerLoadWriter();
    00065
    00066     ref<ResourceDatabase> loadResource(const String& path) const
    00067     {
    00068       return loadOBJ(path);
    00069     }
    00070
    00071     ref<ResourceDatabase> loadResource(VirtualFile* file) const
    00072     {
    00073       return loadOBJ(file);
    00074     }
    00075
    00077     bool writeResource(const String& /*path*/, ResourceDatabase* /*resource*/) const
    00078     {
    00079       return false;
    00080     }
    00081
    00083     bool writeResource(VirtualFile* /*file*/, ResourceDatabase* /*resource*/) const
    00084     {
    00085       return false;
    00086     }
    00087   };
    00088 //-----------------------------------------------------------------------------
    00089 // ObjTexture
    00090 //-----------------------------------------------------------------------------
    00092   class VLGRAPHICS_EXPORT ObjTexture
    00093   {
    00094   public:
    00095     ObjTexture();
    00096     const ObjTexture& parseLine(const String& line, const String& file);
    00097     bool valid() const { return !mFileName.empty(); }
    00099     void print();
    00100
    00102     const String& path() const { return mFileName; }
    00104     bool blendU() const { return mBlendU; }
    00106     bool blendV() const { return mBlendV; }
    00108     bool cc() const { return mCC; }
    00110     bool clamp() const { return mClamp; }
    00112     float mm_Base() const { return mMM_Base; }
    00114     float mm_Gain() const { return mMM_Gain; }
    00116     const fvec3& o_UVW() const { return mO_UVW; }
    00118     const fvec3& s_UVW() const { return mS_UVW; }
    00120     const fvec3& t_UVW() const { return mT_UVW; }
    00122     float texres_Value() const { return mTexres_Value; }
    00124     char imfchan() const { return mImfchan; }
    00126     float bm() const { return mBM; }
    00127
    00129     void setPath(const String& filename) { mFileName = filename; }
    00131     void setBlendU(bool on) { mBlendU = on; }
    00133     void setBlendV(bool on) { mBlendV = on; }
    00135     void setCC(bool on) { mCC = on; }
    00137     void setClamp(bool on) { mClamp = on; }
    00139     void setMM_Base(float base) { mMM_Base = base; }
    00141     void setMM_Gain(float gain) { mMM_Gain = gain; }
    00143     void setO_UVW(const fvec3& o_uvw) { mO_UVW = o_uvw; }
    00145     void setS_UVW(const fvec3& s_uvw) { mS_UVW = s_uvw; }
    00147     void setT_UVW(const fvec3& t_uvw) { mT_UVW = t_uvw; }
    00149     void setTexres_Value(float value) { mTexres_Value = value; }
    00151     void setImfchan(char val) { mImfchan = val; }
    00153     void setBM(float bm) { mBM = bm; }
    00154
    00155   protected:
    00157     String mFileName;
    00159     bool   mBlendU;
    00161     bool   mBlendV;
    00163     bool   mCC;
    00165     bool   mClamp;
    00167     float  mMM_Base;
    00169     float  mMM_Gain;
    00171     fvec3 mO_UVW;
    00173     fvec3 mS_UVW;
    00175     fvec3 mT_UVW;
    00177     float  mTexres_Value;
    00179     char   mImfchan;
    00181     float  mBM;
    00182   };
    00183 //-----------------------------------------------------------------------------
    00184 // ObjMaterial
    00185 //-----------------------------------------------------------------------------
    00187   class ObjMaterial: public Object
    00188   {
    00189     VL_INSTRUMENT_CLASS(vl::ObjMaterial, Object)
    00190
    00191   public:
    00192     ObjMaterial(): mTr(1.0f), mNs(0.0f), mIllum(0), mNi(1.0f) {}
    00193
    00195     const fvec3& ka() const { return mKa; }
    00197     const fvec3& kd() const { return mKd; }
    00199     const fvec3& ks() const { return mKs; }
    00201     const fvec3& ke() const { return mKe; }
    00203     float tr() const { return mTr; }
    00205     float ns() const { return mNs; }
    00207     int illum() const { return mIllum; }
    00209     float ni() const { return mNi; }
    00211     const ObjTexture& map_Kd() const { return mMap_Kd; }
    00213     const ObjTexture& map_Ka() const { return mMap_Ka; }
    00215     const ObjTexture& map_Ks() const { return mMap_Ks; }
    00217     const ObjTexture& map_Ns() const { return mMap_Ns; }
    00219     const ObjTexture& map_d() const { return mMap_d; }
    00221     const ObjTexture& map_Decal() const { return mMap_Decal; }
    00223     const ObjTexture& map_Disp() const { return mMap_Disp; }
    00225     const ObjTexture& map_Bump() const { return mMap_Bump; }
    00226
    00228     void setKa(const fvec3& ka) { mKa = ka; }
    00230     void setKd(const fvec3& kd) { mKd = kd; }
    00232     void setKs(const fvec3& ks) { mKs = ks; }
    00234     void setKe(const fvec3& ke) { mKe = ke; }
    00236     void setTr(float tr) { mTr = tr; }
    00238     void setNs(float ns) { mNs = ns; }
    00240     void setIllum(int illum) { mIllum = illum; }
    00242     void setNi(float ni) { mNi = ni; }
    00244     void setMap_Kd(const ObjTexture& map_kd) { mMap_Kd = map_kd; }
    00246     void setMap_Ka(const ObjTexture& map_ka) { mMap_Ka = map_ka; }
    00248     void setMap_Ks(const ObjTexture& map_ks) { mMap_Ks = map_ks; }
    00250     void setMap_Ns(const ObjTexture& map_ns) { mMap_Ns = map_ns; }
    00252     void setMap_d(const ObjTexture& map_d) { mMap_d = map_d; }
    00254     void setMap_Decal(const ObjTexture& map_decal) { mMap_Decal = map_decal; }
    00256     void setMap_Disp(const ObjTexture& map_disp) { mMap_Disp = map_disp; }
    00258     void setMap_Bump(const ObjTexture& map_bump) { mMap_Bump = map_bump; }
    00259
    00260   protected:
    00262     fvec3 mKa;
    00264     fvec3 mKd;
    00266     fvec3 mKs;
    00268     fvec3 mKe;
    00270     float mTr;
    00272     float mNs;
    00274     int mIllum;
    00276     float mNi;
    00278     ObjTexture mMap_Kd;
    00280     ObjTexture mMap_Ka;
    00282     ObjTexture mMap_Ks;
    00284     ObjTexture mMap_Ns;
    00286     ObjTexture mMap_d;
    00288     ObjTexture mMap_Decal;
    00290     ObjTexture mMap_Disp;
    00292     ObjTexture mMap_Bump;
    00293   };
    00294 //-----------------------------------------------------------------------------
    00295 // ObjMesh
    00296 //-----------------------------------------------------------------------------
    00298   class ObjMesh: public Object
    00299   {
    00300     VL_INSTRUMENT_CLASS(vl::ObjMesh, Object)
    00301
    00302   public:
    00304     void setMaterial(ObjMaterial* mat)  { mMaterial = mat; }
    00305
    00307     const ObjMaterial* material() const { return mMaterial.get(); }
    00309     const std::vector<int>& facePositionIndex() const { return mFace_icoords; }
    00311     const std::vector<int>& faceNormalIndex() const { return mFace_inormals; }
    00313     const std::vector<int>& faceTexCoordIndex() const { return mFace_itexcoords; }
    00316     const std::vector<int>& face_type() const { return mFace_type; }
    00317
    00319     ObjMaterial* material() { return mMaterial.get(); }
    00321     std::vector<int>& facePositionIndex()  { return mFace_icoords; }
    00323     std::vector<int>& faceNormalIndex()  { return mFace_inormals; }
    00325     std::vector<int>& faceTexCoordIndex()  { return mFace_itexcoords; }
    00328     std::vector<int>& face_type()  { return mFace_type; }
    00329
    00330   protected:
    00331     ref<ObjMaterial> mMaterial;
    00332     std::vector<int> mFace_icoords;
    00333     std::vector<int> mFace_inormals;
    00334     std::vector<int> mFace_itexcoords;
    00335     std::vector<int> mFace_type;
    00336   };
    00337 //-----------------------------------------------------------------------------
    00338 // ObjLoader
    00339 //-----------------------------------------------------------------------------
    00341   class ObjLoader
    00342   {
    00343   public:
    00344     const std::vector<fvec4>& vertexArray() const { return mCoords; }
    00345     const std::vector<fvec3>& normalArray() const { return mNormals; }
    00346     const std::vector<fvec3>& texCoordsArray() const { return mTexCoords; }
    00347     const std::map< std::string, ref<ObjMaterial> >& materials() const { return mMaterials; }
    00348     const std::vector< ref<ObjMesh> >& meshes() const { return mMeshes; }
    00349
    00350     std::vector<fvec4>& vertexArray() { return mCoords; }
    00351     std::vector<fvec3>& normalArray() { return mNormals; }
    00352     std::vector<fvec3>& texCoordsArray() { return mTexCoords; }
    00353     std::map< std::string, ref<ObjMaterial> >& materials() { return mMaterials; }
    00354     std::vector< ref<ObjMesh> >& meshes() { return mMeshes; }
    00355
    00358     ref<ResourceDatabase> loadOBJ( VirtualFile* file );
    00359
    00363     void loadObjMaterials(VirtualFile* file, std::vector<ObjMaterial>& materials );
    00364
    00365   protected:
    00366     std::vector<fvec4> mCoords;
    00367     std::vector<fvec3> mNormals;
    00368     std::vector<fvec3> mTexCoords;
    00369     std::map< std::string, ref<ObjMaterial> > mMaterials;
    00370     std::vector< ref<ObjMesh> > mMeshes;
    00371   };
    00372 //-----------------------------------------------------------------------------
    00373 }
    00374
    00375 #endif

Visualization Library v2011.09.1162 Reference Documentation
Copyright 2005-2011 Michele Bosi. All rights reserved.
Updated on Thu Jan 26 2012 00:43:41.
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