newgrf_storage.cpp

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00001 /* $Id$ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
00008  */
00009 
00012 #include "stdafx.h"
00013 #include "newgrf_storage.h"
00014 #include <set>
00015 
00017 static std::set<BaseStorageArray*> _changed_storage_arrays;
00018 
00022 BaseStorageArray::~BaseStorageArray()
00023 {
00024   _changed_storage_arrays.erase(this);
00025 }
00026 
00033 void AddChangedStorage(BaseStorageArray *storage)
00034 {
00035   _changed_storage_arrays.insert(storage);
00036 }
00037 
00048 void ClearStorageChanges(bool keep_changes)
00049 {
00050   /* Loop over all changes arrays */
00051   for (std::set<BaseStorageArray*>::iterator it = _changed_storage_arrays.begin(); it != _changed_storage_arrays.end(); it++) {
00052     (*it)->ClearChanges(keep_changes);
00053   }
00054 
00055   /* And then clear that array */
00056   _changed_storage_arrays.clear();
00057 }