# newgrf_storage.cpp

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    00001 /* $Id: newgrf_storage.cpp 26175 2013-12-23 18:09:29Z frosch $ */
    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 "core/pool_func.hpp"
    00015 #include "core/endian_func.hpp"
    00016 #include "debug.h"
    00017 #include <set>
    00018
    00019 PersistentStoragePool _persistent_storage_pool("PersistentStorage");
    00020 INSTANTIATE_POOL_METHODS(PersistentStorage)
    00021
    00022
    00023 static std::set<BasePersistentStorageArray*> *_changed_storage_arrays = new std::set<BasePersistentStorageArray*>;
    00024
    00028 BasePersistentStorageArray::~BasePersistentStorageArray()
    00029 {
    00030   _changed_storage_arrays->erase(this);
    00031 }
    00032
    00039 void AddChangedPersistentStorage(BasePersistentStorageArray *storage)
    00040 {
    00041   _changed_storage_arrays->insert(storage);
    00042 }
    00043
    00054 void ClearPersistentStorageChanges(bool keep_changes)
    00055 {
    00056   /* Loop over all changes arrays */
    00057   for (std::set<BasePersistentStorageArray*>::iterator it = _changed_storage_arrays->begin(); it != _changed_storage_arrays->end(); it++) {
    00058     if (!keep_changes) {
    00059       DEBUG(desync, 1, "Discarding persistent storage changes: Feature %d, GrfID %08X, Tile %d", (*it)->feature, BSWAP32((*it)->grfid), (*it)->tile);
    00060     }
    00061     (*it)->ClearChanges(keep_changes);
    00062   }
    00063
    00064   /* And then clear that array */
    00065   _changed_storage_arrays->clear();
    00066 }