nel/src/3d/texture_multi_file.cpp

   1 // NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
   2 // Copyright (C) 2010  Winch Gate Property Limited
   3 //
   4 // This program is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU Affero General Public License as
   6 // published by the Free Software Foundation, either version 3 of the
   7 // License, or (at your option) any later version.
   8 //
   9 // This program is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU Affero General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU Affero General Public License
  15 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 #include "std3d.h"
  18
  19 #include "nel/3d/texture_multi_file.h"
  20 #include "nel/3d/texture_file.h"
  21
  22 #ifdef DEBUG_NEW
  23 #define new DEBUG_NEW
  24 #endif
  25
  26 namespace NL3D
  27 {
  28
  29 static std::string DummyTexName("CTextureMultiFile:Dummy");
  30
  31 ///===========================================================
  32 CTextureMultiFile::CTextureMultiFile(uint numTexs /* = 0 */) : _CurrSelectedTexture(0), _FileNames(numTexs)
  33 {
  34 }
  35
  36
  37 ///===========================================================
  38 void CTextureMultiFile::setNumTextures(uint numTexs)
  39 {
  40         _FileNames.resize(numTexs);
  41         _CurrSelectedTexture = (uint) std::min((sint) _CurrSelectedTexture, std::min((sint) 0, (sint) (numTexs - 1)));
  42 }
  43
  44
  45 ///===========================================================
  46 void CTextureMultiFile::setFileName(uint index, const char *fileName)
  47 {
  48         _FileNames[index] = fileName;
  49         if (index == _CurrSelectedTexture) touch();
  50
  51 }
  52
  53
  54 ///===========================================================
  55 sint CTextureMultiFile::getTexIndex(uint index) const
  56 {
  57         if (_FileNames.empty())
  58         {
  59                 return -1;
  60         }
  61         sint usedTexture = index >= _FileNames.size() ? 0 : index;
  62         if (_FileNames[usedTexture].empty())
  63         {
  64                 return (usedTexture != 0 && !_FileNames[0].empty()) ? 0 : -1;
  65         }
  66         return usedTexture;
  67 }
  68
  69
  70 ///===========================================================
  71 void CTextureMultiFile::doGenerate(bool async)
  72 {
  73         sint usedTexture = getTexIndex(_CurrSelectedTexture);
  74         if (usedTexture == -1)
  75         {
  76                 makeDummy();
  77         }
  78         else
  79         {
  80                 CTextureFile::buildBitmapFromFile(*this, _FileNames[usedTexture], async);
  81         }
  82 }
  83
  84 ///===========================================================
  85 void    CTextureMultiFile::serial(NLMISC::IStream &f)
  86 {
  87         (void)f.serialVersion(0);
  88
  89         // serial the base part of ITexture.
  90         ITexture::serial(f);
  91
  92         f.serialCont(_FileNames);
  93         f.serial(_CurrSelectedTexture);
  94
  95         if(f.isReading())
  96                 touch();
  97 }
  98
  99
 100 ///===========================================================
 101 const std::string &CTextureMultiFile::getTexNameByIndex(uint index) const
 102 {
 103         sint usedTexture = getTexIndex(index);
 104         return usedTexture == -1 ? DummyTexName : _FileNames[usedTexture];
 105 }
 106
 107
 108 ///===========================================================
 109 std::string             CTextureMultiFile::getShareName() const
 110 {
 111         return getTexNameByIndex(_CurrSelectedTexture);
 112 }
 113
 114 ///===========================================================
 115 void CTextureMultiFile::selectTexture(uint index)
 116 {
 117         if (index != _CurrSelectedTexture)
 118         {
 119                 _CurrSelectedTexture = index;
 120                 touch();
 121         }
 122 }
 123
 124
 125 ///===========================================================
 126 ITexture *CTextureMultiFile::buildNonSelectableVersion(uint index)
 127 {
 128         CTextureFile *tf = new CTextureFile(getTexNameByIndex(index));
 129         // copy tex parameters
 130         (ITexture &) *tf = (ITexture &) *this; // invoke ITexture = op for basics parameters
 131         //
 132         return tf;
 133 }
 134
 135
 136 } // NL3D