bool Res::canAfford(const ResourceSet &res, const ResourceSet &price)
{
assert(res.size() == price.size() && price.size() == GameConstants::RESOURCE_QUANTITY);
for(int i = 0; i < GameConstants::RESOURCE_QUANTITY; i++)
if(price[i] > res[i])
return false;
return true;
}
void print_resources(const ResourceSet &rs)
{
cout << "collected " << rs.size() << " resources\n";
ResourceSet::const_iterator it(rs.begin());
for (; it!=rs.end(); ++it) {
cout << it->second << "\t";
it->first->pretty(cout);
cout << endl;
}
}
ResourceTableHeader write_resource_table(ostream &out, const ResourceSet &rs)
{
ResourceIndex index;
uint32_t pre_data(out.tellp());
write_resource_data(out, index, rs);
uint32_t post_data(out.tellp());
write_resource_index(out, index);
ResourceTableHeader tbl_header;
tbl_header.data_size = post_data - pre_data;
tbl_header.resource_count = rs.size();
return tbl_header;
}
void ResourceManager::loadResources( const ResourceList& rResources,
const SimpleResourceCallback& rCallbackSlot )
{
// Convert to set to remove duplicates.
ResourceSet resources = ResourceInfo::toResourceSet( rResources );
if( resources.empty() )
{
// If there are no resources to be loaded, call the slot and return immediately.
rCallbackSlot();
return;
}
ResourceManager::ResourcesLoader* resourceLoader =
ResourceManager::ResourcesLoader::create( rCallbackSlot );
unsigned short loaded = 0;
for( ResourceSet::const_iterator i = resources.begin(); i != resources.end(); ++i )
{
// Add resources to resource loader.
Ogre::ResourcePtr resource = ResourceManager::getResource( *i, true );
if( resource.isNull() )
{
DIVERSIA_EXCEPT( Exception::ERR_FILE_NOT_FOUND, "Cannot load resource " +
(*i).mFile.string() + ", file does not exist.",
"ResourceManager::loadResource" );
}
if( resource->isLoaded() )
loaded++;
else
resourceLoader->addResource( resource );
}
// All resources are already loaded.
if( loaded == resources.size() )
{
rCallbackSlot();
delete resourceLoader;
return;
}
for( ResourceSet::const_iterator j = resources.begin(); j != resources.end(); ++j )
{
// Load all resources and callback to the resource loader. If all resources are loaded
// the rCallbackSlot will be called and the resource loader will be destroyed.
ResourceManager::loadResource( *j, sigc::mem_fun( resourceLoader,
&ResourceManager::ResourcesLoader::loadingComplete ) );
}
}
