# Visualization Library

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

[Home] [Tutorials] [All Classes] [Grouped Classes]

- Main Page
- Related Pages
- Namespaces
- Classes
- Files

- File List
- File Members

# D:/VL/BuildSystem/VL_DISTRO/Visualization_Library_SDK/src/vlGraphics/plugins/io3DS.hpp

Go to the documentation of this file.

    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(Load3DS_INCLUDE_ONCE)
    00033 #define Load3DS_INCLUDE_ONCE
    00034
    00035 #include <vlGraphics/Actor.hpp>
    00036 #include <vlCore/ResourceLoadWriter.hpp>
    00037 #include <vlCore/ResourceDatabase.hpp>
    00038 #include <vlCore/String.hpp>
    00039 #include <vector>
    00040
    00041 namespace vl
    00042 {
    00043   class VirtualFile;
    00044 }
    00045
    00046 namespace vl
    00047 {
    00048 //-----------------------------------------------------------------------------
    00049   VLGRAPHICS_EXPORT ref<ResourceDatabase> load3DS(VirtualFile* file);
    00050   VLGRAPHICS_EXPORT ref<ResourceDatabase> load3DS(const String& path);
    00051 //-----------------------------------------------------------------------------
    00052 // LoadWriter3DS
    00053 //-----------------------------------------------------------------------------
    00057   class LoadWriter3DS: public ResourceLoadWriter
    00058   {
    00059     VL_INSTRUMENT_CLASS(vl::LoadWriter3DS, ResourceLoadWriter)
    00060
    00061   public:
    00062     LoadWriter3DS(): ResourceLoadWriter("|3ds|", "|3ds|") {}
    00063
    00064     ref<ResourceDatabase> loadResource(const String& path) const
    00065     {
    00066       return load3DS(path);
    00067     }
    00068
    00069     ref<ResourceDatabase> loadResource(VirtualFile* file) const
    00070     {
    00071       return load3DS(file);
    00072     }
    00073
    00075     bool writeResource(const String& /*path*/, ResourceDatabase* /*resource*/) const
    00076     {
    00077       return false;
    00078     }
    00079
    00081     bool writeResource(VirtualFile* /*file*/, ResourceDatabase* /*resource*/) const
    00082     {
    00083       return false;
    00084     }
    00085   };
    00086 //-----------------------------------------------------------------------------
    00087 // A3DSLoader
    00088 //-----------------------------------------------------------------------------
    00092   class A3DSTexture
    00093   {
    00094   public:
    00095     A3DSTexture(): mUScale(1), mVScale(1), mUOffset(1), mVOffset(1), mRotation(0),
    00096     mOpt_tile(true), mOpt_decal(false), mOpt_mirror(false), mOpt_negative(false),
    00097     mOpt_summed_area(false), mOpt_use_alpha(false), mOpt_one_channel_tint(false),
    00098     mOpt_ignore_alpha(false), mOpt_rgb_tint(false) {}
    00099
    00100     String mFileName;
    00101     float mUScale, mVScale, mUOffset, mVOffset, mRotation;
    00102     bool mOpt_tile;
    00103     bool mOpt_decal;
    00104     bool mOpt_mirror;
    00105     bool mOpt_negative;
    00106     bool mOpt_summed_area; // summed area map filtering (instead of pyramidal)
    00107     bool mOpt_use_alpha; // use alpha  (toggles RGBluma/alpha. For masks RGB means RGBluma)
    00108     bool mOpt_one_channel_tint; // there is a one channel tint (either RGBluma or alpha)
    00109     bool mOpt_ignore_alpha; // ignore alpha (take RGBluma even if an alpha exists (?))
    00110     bool mOpt_rgb_tint; // there is a three channel tint (RGB tint)
    00111   };
    00112 //-----------------------------------------------------------------------------
    00116   class A3DSMaterial
    00117   {
    00118   public:
    00119     A3DSMaterial(): mShininess(0), mShininessStrength(0), mTransparency(0), mDoubleSided(false) {}
    00120
    00121     String mMaterialName;
    00122     fvec3 mAmbient, mDiffuse, mSpecular;
    00123     float mShininess, mShininessStrength;
    00124     float mTransparency;
    00125     bool mDoubleSided;
    00126     A3DSTexture mTexture1;
    00127     A3DSTexture mTexture2;
    00128   };
    00129 //-----------------------------------------------------------------------------
    00133   class A3DSTriFace
    00134   {
    00135   public:
    00136     A3DSTriFace(): mA(0), mB(0), mC(0), mFlags(0), mSmoothingGroup(0), mMaterialIndex(-1) {}
    00137
    00138     unsigned short mA,mB,mC,mFlags;
    00139     unsigned int mSmoothingGroup;
    00140     int mMaterialIndex;
    00141   };
    00142 //-----------------------------------------------------------------------------
    00146   class A3DSMaterialFaceMapping
    00147   {
    00148   public:
    00149     String mMaterialName;
    00150     std::vector<unsigned short> mMappedFace;
    00151   };
    00152 //-----------------------------------------------------------------------------
    00156   class A3DSVertex
    00157   {
    00158   public:
    00159     A3DSVertex(): mSmoothingGroup(0), mIndex(-1) {}
    00160     bool operator<(const A3DSVertex& other) const
    00161     {
    00162       if (mPos.x() != other.mPos.x())
    00163         return mPos.x() < other.mPos.x();
    00164       else
    00165       if (mPos.y() != other.mPos.y())
    00166         return mPos.y() < other.mPos.y();
    00167       else
    00168       if (mPos.z() != other.mPos.z())
    00169         return mPos.z() < other.mPos.z();
    00170       else
    00171       if (mUV.s() != other.mUV.s())
    00172         return mUV.s() < other.mUV.s();
    00173       else
    00174       if (mUV.t() != other.mUV.t())
    00175         return mUV.t() < other.mUV.t();
    00176       else
    00177         return mSmoothingGroup < other.mSmoothingGroup;
    00178     }
    00179
    00180     fvec3 mPos;
    00181     fvec2 mUV;
    00182     unsigned int mSmoothingGroup;
    00183     int mIndex;
    00184   };
    00185 //-----------------------------------------------------------------------------
    00189   class A3DSObject
    00190   {
    00191   public:
    00192     String mObjName;
    00193     std::vector<A3DSVertex> mVertices;
    00194     std::vector<A3DSTriFace> mFaceList;
    00195     std::vector<A3DSMaterialFaceMapping> mMatFaceMap;
    00196     fmat4 mCoordSystem;
    00197   };
    00198 //-----------------------------------------------------------------------------
    00202   class VLGRAPHICS_EXPORT A3DSLoader
    00203   {
    00204   public:
    00205     A3DSLoader();
    00206     bool parse3DS(VirtualFile* file);
    00207
    00208   protected:
    00209     fvec3 readVec3();
    00210     fvec3 readColByte3();
    00211     fvec3 readColFloat3();
    00212     String readLine();
    00213     float readWordPercent();
    00214     float readFloatPercent();
    00215     void readChunk();
    00216     bool skipChunk();
    00217     void read_3D_EDITOR_CHUNK();
    00218     fvec3 readColChunk();
    00219     float readPercentChunk();
    00220     void read_MATERIAL_BLOCK();
    00221     A3DSTexture readMapChunk();
    00222     void read_OBJECT_BLOCK();
    00223     void read_TRIANGULAR_MESH();
    00224
    00225   public:
    00226     std::vector<A3DSObject> mObjects;
    00227     std::vector<A3DSMaterial> mMaterials;
    00228
    00229   protected:
    00230     VirtualFile *mInputFile;
    00231     unsigned short mChunkId;
    00232     unsigned int mChunkLen;
    00233     bool mCorrupted;
    00234   };
    00235 //-----------------------------------------------------------------------------
    00236 }
    00237
    00238 #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.
Permission is granted to use this page to write and publish articles regarding Visualization Library.