nel/tools/3d/ig_add/main.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 <iostream>
  18 #include <vector>
  19
  20 #include "nel/misc/file.h"
  21
  22 #include "nel/3d/scene_group.h"
  23
  24 using namespace NLMISC;
  25 using namespace NL3D;
  26 using namespace std;
  27
  28 // ***************************************************************************
  29 CInstanceGroup* LoadInstanceGroup (const char* sFilename)
  30 {
  31         CIFile file;
  32         CInstanceGroup *newIG = new CInstanceGroup;
  33
  34         if( file.open( sFilename ) )
  35         {
  36                 try
  37                 {
  38                         newIG->serial (file);
  39                 }
  40                 catch (const Exception &)
  41                 {
  42                         delete newIG;
  43                         return NULL;
  44                 }
  45         }
  46         else
  47         {
  48                 delete newIG;
  49                 return NULL;
  50         }
  51         return newIG;
  52 }
  53
  54 // ***************************************************************************
  55 bool SaveInstanceGroup (const char* sFilename, CInstanceGroup *pIG)
  56 {
  57         COFile file;
  58
  59         if( file.open( sFilename ) )
  60         {
  61                 try
  62                 {
  63                         pIG->serial (file);
  64                 }
  65                 catch (const Exception &)
  66                 {
  67                         return false;
  68                 }
  69         }
  70         else
  71         {
  72                 return false;
  73         }
  74         return true;
  75 }
  76
  77 // ***************************************************************************
  78 int main(int nNbArg, char**ppArgs)
  79 {
  80
  81         if (nNbArg != 4)
  82         {
  83                 // Display help information
  84                 cout << "USAGE : ig_add out in1 in2" << endl;
  85                 cout << "Make out = in1 + in2 (out, in1 and in2 are *.IG files" << endl;
  86                 return 1;
  87         }
  88
  89         // Load in1 and in2
  90         // ****************
  91         CInstanceGroup *pIG1 = LoadInstanceGroup (ppArgs[2]);
  92         if (pIG1 == NULL)
  93         {
  94                 cerr << "File " << ppArgs[2] << " not found" << endl;
  95                 return -1;
  96         }
  97         CInstanceGroup *pIG2 = LoadInstanceGroup (ppArgs[3]);
  98         if (pIG2 == NULL)
  99         {
 100                 cerr << "File " << ppArgs[3] << " not found" << endl;
 101                 delete pIG1;
 102                 return -1;
 103         }
 104
 105         // Add in1 and in2
 106         // ***************
 107         CInstanceGroup *pIGout = new CInstanceGroup;
 108
 109         CVector vGP1, vGP2, vGPout;
 110         CInstanceGroup::TInstanceArray IA1, IA2, IAout;
 111         vector<CCluster> Clusters1, Clusters2, Clustersout;
 112         vector<CPortal> Portals1, Portals2, Portalsout;
 113         vector<CPointLightNamed> PLN1, PLN2, PLNout;
 114
 115         pIG1->retrieve (vGP1, IA1, Clusters1, Portals1, PLN1);
 116         pIG2->retrieve (vGP2, IA2, Clusters2, Portals2, PLN2);
 117
 118         uint32 i;
 119
 120         // -----------------------------------------------------------------------
 121         vGPout = (vGP1+vGP2) / 2.0f;
 122
 123         // -----------------------------------------------------------------------
 124         for (i = 0; i < IA1.size(); ++i)
 125         {
 126                 CInstanceGroup::CInstance iTmp = IA1[i];
 127                 iTmp.Pos += (vGP1 - vGPout);
 128                 IAout.push_back(iTmp);
 129         }
 130         for (i = 0; i < IA2.size(); ++i)
 131         {
 132                 CInstanceGroup::CInstance iTmp = IA2[i];
 133                 iTmp.Pos += (vGP2 - vGPout);
 134                 IAout.push_back(iTmp);
 135         }
 136
 137         // -----------------------------------------------------------------------
 138         Clustersout = Clusters1;
 139         for (i = 0; i < Clusters2.size(); ++i)
 140                 Clustersout.push_back(Clusters2[i]);
 141
 142         // -----------------------------------------------------------------------
 143         Portalsout = Portals1;
 144         for (i = 0; i < Portals2.size(); ++i)
 145                 Portalsout.push_back(Portals2[i]);
 146
 147         // -----------------------------------------------------------------------
 148         PLNout = PLN1;
 149         for (i = 0; i < PLN2.size(); ++i)
 150                 PLNout.push_back(PLN2[i]);
 151
 152
 153         pIGout->build (vGPout, IAout, Clustersout, Portalsout, PLNout);
 154
 155         // Save out
 156         // ********
 157         if (!SaveInstanceGroup (ppArgs[1], pIGout))
 158         {
 159                 cerr << "Cannot save to file " << ppArgs[1] << endl;
 160
 161                 // Delete the ig
 162                 delete pIG1;
 163                 delete pIG2;
 164                 delete pIGout;
 165
 166                 return -1;
 167         }
 168
 169         // Delete the ig
 170         delete pIG1;
 171         delete pIG2;
 172         delete pIGout;
 173
 174         return 1;
 175 }
 176
 177 // NOTES : For the moment the behaviour of the build with cluster system is
 178 // strange because the instance of the instance group are not relinked to
 179 // all the clusters... But this is not a big deal because we just want to
 180 // add group of instances without any cluster system