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Location: cpp/openttd-patchpack/source/src/newgrf_storage.cpp - annotation
r19189:9d8867fd062d
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german - 2 changes by Jogio
irish - 38 changes by tem
italian - 1 changes by Snail_
latvian - 44 changes by Parastais
polish - 4 changes by Kilian
spanish - 2 changes by Terkhen
ukrainian - 1 changes by edd_k
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/*
* This file is part of OpenTTD.
* 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.
* 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.
* 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/>.
*/
/** @file newgrf_storage.cpp Functionality related to the temporary and persistent storage arrays for NewGRFs. */
#include "stdafx.h"
#include "newgrf_storage.h"
#include "core/pool_func.hpp"
#include <set>
PersistentStoragePool _persistent_storage_pool("PersistentStorage");
INSTANTIATE_POOL_METHODS(PersistentStorage)
/** The changed storage arrays */
static std::set<BaseStorageArray*> *_changed_storage_arrays = new std::set<BaseStorageArray*>;
/**
* Remove references to use.
*/
BaseStorageArray::~BaseStorageArray()
{
_changed_storage_arrays->erase(this);
}
/**
* Add the changed storage array to the list of changed arrays.
* This is done so we only have to revert/save the changed
* arrays, which saves quite a few clears, etc. after callbacks.
* @param storage the array that has changed
*/
void AddChangedStorage(BaseStorageArray *storage)
{
_changed_storage_arrays->insert(storage);
}
/**
* Clear the changes made since the last #ClearStorageChanges.
* This is done for *all* storages that have been registered to with
* #AddChangedStorage since the previous #ClearStorageChanges.
*
* This can be done in two ways:
* - saving the changes permanently
* - reverting to the previous version
* @param keep_changes do we save or revert the changes since the last #ClearChanges?
*/
void ClearStorageChanges(bool keep_changes)
{
/* Loop over all changes arrays */
for (std::set<BaseStorageArray*>::iterator it = _changed_storage_arrays->begin(); it != _changed_storage_arrays->end(); it++) {
(*it)->ClearChanges(keep_changes);
}
/* And then clear that array */
_changed_storage_arrays->clear();
}
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