Method unloadModuleGroup

Engine/source/module/moduleManager.cpp:460–638

//-----------------------------------------------------------------------------

bool ModuleManager::unloadModuleGroup( const char* pModuleGroup )
{
    // Lock database.
    LockDatabase( this );

    // Sanity!
    AssertFatal( pModuleGroup != NULL, "Cannot unload module group with NULL group name." );

    typeModuleLoadEntryVector   moduleResolvingQueue;
    typeModuleLoadEntryVector   moduleReadyQueue;

    // Fetch module group.
    StringTableEntry moduleGroup = StringTable->insert( pModuleGroup );

    // Info.
    if ( mEchoInfo )
    {
        Con::printSeparator();
        Con::printf( "Module Manager: Unloading group '%s':" , moduleGroup );
    }

    // Find the group loaded iterator.
    typeGroupVector::iterator groupLoadedItr = findGroupLoaded( moduleGroup );

    // Is the module group already unloaded?
    if ( groupLoadedItr == NULL )
    {
        // No, so warn.
        Con::warnf( "Module Manager: Cannot unload group '%s' as it is not loaded.", moduleGroup );
        return false;
    }

    // Find module group.
    typeGroupModuleHash::iterator moduleGroupItr = mGroupModules.find( moduleGroup );

    // Did we find the module group?
    if ( moduleGroupItr == mGroupModules.end() )
    {
        // No, so info.
        if ( mEchoInfo )
        {
            Con::printf( "Module Manager: No modules found for module group '%s'.", moduleGroup );
            return true;
        }
    }

    // Yes, so fetch the module Ids.
    typeModuleIdVector* pModuleIds = moduleGroupItr->value;

    // Iterate module groups.
    for( typeModuleIdVector::iterator moduleIdItr = pModuleIds->begin(); moduleIdItr != pModuleIds->end(); ++moduleIdItr )
    {
        // Fetch module Id.
        StringTableEntry moduleId = *moduleIdItr;

        // Finish if we could not resolve the dependencies for module Id (of any version Id).
        if ( !resolveModuleDependencies( moduleId, 0, moduleGroup, false, moduleResolvingQueue, moduleReadyQueue ) )
            return false;