C++ Path::getPath方法代码示例

//-----------------------------------------------------------------------------
/// Copy a texture from a KMZ to a cache. Note that the texture filename is modified
void copySketchupTexture(const Torque::Path &path, String &textureFilename)
{
   if (textureFilename.isEmpty())
      return;

   Torque::Path texturePath(textureFilename);
   texturePath.setExtension(findTextureExtension(texturePath));

   String cachedTexFilename = String::ToString("%s_%s.cached",
      TSShapeLoader::getShapePath().getFileName().c_str(), texturePath.getFileName().c_str());

   Torque::Path cachedTexPath;
   cachedTexPath.setRoot(path.getRoot());
   cachedTexPath.setPath(path.getPath());
   cachedTexPath.setFileName(cachedTexFilename);
   cachedTexPath.setExtension(texturePath.getExtension());

   FileStream *source;
   FileStream *dest;
   if ((source = FileStream::createAndOpen(texturePath.getFullPath(), Torque::FS::File::Read)) == NULL)
      return;

   if ((dest = FileStream::createAndOpen(cachedTexPath.getFullPath(), Torque::FS::File::Write)) == NULL)
   {
      delete source;
      return;
   }

   dest->copyFrom(source);

   delete dest;
   delete source;

   // Update the filename in the material
   cachedTexPath.setExtension("");
   textureFilename = cachedTexPath.getFullPath();
}

void TerrainFile::_loadLegacy(  FileStream &stream )
{
   // Some legacy constants.
   enum 
   {
      MaterialGroups = 8,
      BlockSquareWidth = 256,
   };

   const U32 sampleCount = BlockSquareWidth * BlockSquareWidth;
   mSize = BlockSquareWidth;

   // Load the heightmap.
   mHeightMap.setSize( sampleCount );
   for ( U32 i=0; i < mHeightMap.size(); i++ )
      stream.read( &mHeightMap[i] );

   // Prior to version 7 we stored this weird material struct.
   const U32 MATERIAL_GROUP_MASK = 0x7;
   struct Material 
   {
      enum Flags 
      {
         Plain          = 0,
         Rotate         = 1,
         FlipX          = 2,
         FlipXRotate    = 3,
         FlipY          = 4,
         FlipYRotate    = 5,
         FlipXY         = 6,
         FlipXYRotate   = 7,
         RotateMask     = 7,
         Empty          = 8,
         Modified       = BIT(7),

         // must not clobber TerrainFile::MATERIAL_GROUP_MASK bits!
         PersistMask       = BIT(7)
      };

      U8 flags;
      U8 index;
   };

   // Temp locals for loading before we convert to the new
   // version 7+ format.
   U8 baseMaterialMap[sampleCount] = { 0 };
   U8 *materialAlphaMap[MaterialGroups] = { 0 };
   Material materialMap[BlockSquareWidth * BlockSquareWidth];

   // read the material group map and flags...
   dMemset(materialMap, 0, sizeof(materialMap));

   AssertFatal(!(Material::PersistMask & MATERIAL_GROUP_MASK),
      "Doh! We have flag clobberage...");

   for (S32 j=0; j < sampleCount; j++)
   {
      U8 val;
      stream.read(&val);

      //
      baseMaterialMap[j] = val & MATERIAL_GROUP_MASK;
      materialMap[j].flags = val & Material::PersistMask;
   }

   // Load the material names.
   Vector<String> materials;
   for ( U32 i=0; i < MaterialGroups; i++ )
   {
      String matName;
      stream.read( &matName );
      if ( matName.isEmpty() )
         continue;

      if ( mFileVersion > 3 && mFileVersion < 6 )
      {
         // Between version 3 and 5 we store the texture file names 
         // relative to the terrain file.  We restore the full path
         // here so that we can create a TerrainMaterial from it.
         materials.push_back( Torque::Path::CompressPath( mFilePath.getRoot() + mFilePath.getPath() + '/' + matName ) );
      }
      else
         materials.push_back( matName );
   }

   if ( mFileVersion <= 3 )
   {
      GFXTexHandle terrainMat;
      Torque::Path matRelPath;

      // Try to automatically fix up our material file names
      for (U32 i = 0; i < materials.size(); i++)
      {
         if ( materials[i].isEmpty() )
            continue;
            
         terrainMat.set( materials[i], &GFXDefaultPersistentProfile, avar( "%s() - (line %d)", __FUNCTION__, __LINE__ ) );
         if ( terrainMat )
            continue;

//.........这里部分代码省略.........