source/graphics/MeshManager.cpp

   1 /* Copyright (C) 2012 Wildfire Games.
   2  * This file is part of 0 A.D.
   3  *
   4  * 0 A.D. is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * 0 A.D. 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 General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include "precompiled.h"
  19
  20 #include "MeshManager.h"
  21
  22 #include "graphics/ColladaManager.h"
  23 #include "graphics/ModelDef.h"
  24 #include "ps/CLogger.h"
  25 #include "ps/FileIo.h" // to get access to its CError
  26 #include "ps/Profile.h"
  27
  28 // TODO: should this cache models while they're not actively in the game?
  29 // (Currently they'll probably be deleted when the reference count drops to 0,
  30 // even if it's quite possible that they'll get reloaded very soon.)
  31
  32 CMeshManager::CMeshManager(CColladaManager& colladaManager)
  33 : m_ColladaManager(colladaManager)
  34 {
  35 }
  36
  37 CMeshManager::~CMeshManager()
  38 {
  39 }
  40
  41 CModelDefPtr CMeshManager::GetMesh(const VfsPath& pathname)
  42 {
  43         const VfsPath name = pathname.ChangeExtension(L"");
  44
  45         // Find the mesh if it's already been loaded and cached
  46         mesh_map::iterator iter = m_MeshMap.find(name);
  47         if (iter != m_MeshMap.end() && !iter->second.expired())
  48                 return CModelDefPtr(iter->second);
  49
  50         PROFILE("load mesh");
  51
  52         VfsPath pmdFilename = m_ColladaManager.GetLoadablePath(name, CColladaManager::PMD);
  53
  54         if (pmdFilename.empty())
  55         {
  56                 LOGERROR("Could not load mesh '%s'", pathname.string8());
  57                 return CModelDefPtr();
  58         }
  59
  60         try
  61         {
  62                 CModelDefPtr model (CModelDef::Load(pmdFilename, name));
  63                 m_MeshMap[name] = model;
  64                 return model;
  65         }
  66         catch (PSERROR_File&)
  67         {
  68                 LOGERROR("Could not load mesh '%s'", pmdFilename.string8());
  69                 return CModelDefPtr();
  70         }
  71 }