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00001 
+00007 /* Copyright, 2000-2002 Nevrax Ltd.
+00008  *
+00009  * This file is part of NEVRAX NEL.
+00010  * NEVRAX NEL is free software; you can redistribute it and/or modify
+00011  * it under the terms of the GNU General Public License as published by
+00012  * the Free Software Foundation; either version 2, or (at your option)
+00013  * any later version.
+00014 
+00015  * NEVRAX NEL is distributed in the hope that it will be useful, but
+00016  * WITHOUT ANY WARRANTY; without even the implied warranty of
+00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+00018  * General Public License for more details.
+00019 
+00020  * You should have received a copy of the GNU General Public License
+00021  * along with NEVRAX NEL; see the file COPYING. If not, write to the
+00022  * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+00023  * MA 02111-1307, USA.
+00024  */
+00025 
+00026 #include "std3d.h"
+00027 #include "3d/hls_texture_bank.h"
+00028 
+00029 
+00030 using   namespace std;
+00031 using   namespace NLMISC;
+00032 
+00033 namespace NL3D 
+00034 {
+00035 
+00036 
+00037 // ***************************************************************************
+00038 // ***************************************************************************
+00039 // CHLSTextureBank
+00040 // ***************************************************************************
+00041 // ***************************************************************************
+00042 
+00043 
+00044 // ***************************************************************************
+00045 CHLSTextureBank::CHLSTextureBank()
+00046 {
+00047 }
+00048 // ***************************************************************************
+00049 void                    CHLSTextureBank::reset()
+00050 {
+00051         contReset(_ColorTextures);
+00052         contReset(_TextureInstanceData);
+00053         contReset(_TextureInstances);
+00054 }
+00055 // ***************************************************************************
+00056 uint32                  CHLSTextureBank::addColorTexture(const CHLSColorTexture &tex)
+00057 {
+00058         _ColorTextures.push_back(tex);
+00059         return _ColorTextures.size()-1;
+00060 }
+00061 // ***************************************************************************
+00062 void                    CHLSTextureBank::addTextureInstance(const std::string &name, uint32 colorTextureId, const vector<CHLSColorDelta> &cols)
+00063 {
+00064         string  nameLwr= strlwr(name);
+00065 
+00066         // checks
+00067         nlassert(colorTextureId<_ColorTextures.size());
+00068         CHLSColorTexture        &colText= _ColorTextures[colorTextureId];
+00069         nlassert(cols.size()==colText.getNumMasks());
+00070 
+00071         // new instance
+00072         CTextureInstance        textInst;
+00073         textInst._ColorTextureId= colorTextureId;
+00074         textInst._DataIndex= _TextureInstanceData.size();
+00075         // leave ptrs undefined
+00076         textInst._DataPtr= NULL;
+00077         textInst._ColorTexturePtr= NULL;
+00078 
+00079         // allocate/fill data
+00080         uint32  nameSize= (nameLwr.size()+1);
+00081         uint32  colSize= cols.size()*sizeof(CHLSColorDelta);
+00082         _TextureInstanceData.resize(_TextureInstanceData.size() + nameSize + colSize);
+00083         // copy name
+00084         memcpy(&_TextureInstanceData[textInst._DataIndex], nameLwr.c_str(), nameSize);
+00085         // copy cols
+00086         memcpy(&_TextureInstanceData[textInst._DataIndex+nameSize], &cols[0], colSize);
+00087 
+00088         // add the instance.
+00089         _TextureInstances.push_back(textInst);
+00090 }
+00091 // ***************************************************************************
+00092 void                    CHLSTextureBank::compilePtrs()
+00093 {
+00094         uint8   *data= &_TextureInstanceData[0];
+00095 
+00096         // For all texture instances, compute ptr.
+00097         for(uint i=0;i<_TextureInstances.size();i++)
+00098         {
+00099                 CTextureInstance        &text= _TextureInstances[i];
+00100                 text._DataPtr= data + text._DataIndex;
+00101                 text._ColorTexturePtr= &_ColorTextures[text._ColorTextureId];
+00102         }
+00103 }
+00104 
+00105 
+00106 // ***************************************************************************
+00107 void                    CHLSTextureBank::compile()
+00108 {
+00109         // compile the ptrs.
+00110         compilePtrs();
+00111 
+00112         // No other ops for now.
+00113 }
+00114 
+00115 
+00116 // ***************************************************************************
+00117 void                    CHLSTextureBank::serial(NLMISC::IStream &f)
+00118 {
+00119         sint    ver= f.serialVersion(0);
+00120 
+00121         f.serialCont(_ColorTextures);
+00122         f.serialCont(_TextureInstanceData);
+00123         f.serialCont(_TextureInstances);
+00124 
+00125         // Must compile ptrs.
+00126         if(f.isReading())
+00127         {
+00128                 // compile the ptrs only.
+00129                 compilePtrs();
+00130         }
+00131 }
+00132 
+00133 
+00134 // ***************************************************************************
+00135 void                    CHLSTextureBank::fillHandleArray(std::vector<CTextureInstanceHandle> &array)
+00136 {
+00137         for(uint i=0;i<_TextureInstances.size();i++)
+00138         {
+00139                 CTextureInstanceHandle  h;
+00140                 h.Texture= &_TextureInstances[i];
+00141                 array.push_back(h);
+00142         }
+00143 }
+00144 
+00145 
+00146 // ***************************************************************************
+00147 // ***************************************************************************
+00148 // CHLSTextureBank::CTextureInstance
+00149 // ***************************************************************************
+00150 // ***************************************************************************
+00151 
+00152 
+00153 // ***************************************************************************
+00154 void                    CHLSTextureBank::CTextureInstance::serial(NLMISC::IStream &f)
+00155 {
+00156         sint    ver= f.serialVersion(0);
+00157 
+00158         f.serial(_DataIndex);
+00159         f.serial(_ColorTextureId);
+00160 }
+00161 
+00162 
+00163 // ***************************************************************************
+00164 bool                    CHLSTextureBank::CTextureInstance::operator<(const CTextureInstance &t) const
+00165 {
+00166         // compare the 2 strings.
+00167         return (strcmp((const char*)_DataPtr, (const char*)t._DataPtr)<0);
+00168 }
+00169 // ***************************************************************************
+00170 bool                    CHLSTextureBank::CTextureInstance::operator<=(const CTextureInstance &t) const
+00171 {
+00172         // compare the 2 strings.
+00173         return (strcmp((const char*)_DataPtr, (const char*)t._DataPtr)<=0);
+00174 }
+00175 
+00176 
+00177 // ***************************************************************************
+00178 bool                    CHLSTextureBank::CTextureInstance::sameName(const char *str)
+00179 {
+00180         return (strcmp((const char*)_DataPtr, str)==0);
+00181 }
+00182 
+00183 
+00184 // ***************************************************************************
+00185 void                    CHLSTextureBank::CTextureInstance::buildColorVersion(NLMISC::CBitmap &out)
+00186 {
+00187         // get ptr to color deltas.
+00188         uint    nameSize= strlen((const char*)_DataPtr)+1;
+00189         CHLSColorDelta          *colDeltas= (CHLSColorDelta*)(_DataPtr + nameSize);
+00190 
+00191         // build the texture.
+00192         _ColorTexturePtr->buildColorVersion(colDeltas, out);
+00193 }
+00194 
+00195 
+00196 } // NL3D
+
hls_texture_bank.cpp
