OpenTTD-patches/src/newgrf_storage.cpp
Jonathan G Rennison 0d4d4a9cac Merge branch 'master' into jgrpp
# Conflicts:
#	cmake/CompileFlags.cmake
#	src/3rdparty/squirrel/squirrel/sqclosure.h
#	src/3rdparty/squirrel/squirrel/sqobject.h
#	src/3rdparty/squirrel/squirrel/sqvm.h
#	src/aircraft.h
#	src/airport_gui.cpp
#	src/blitter/32bpp_sse_func.hpp
#	src/blitter/null.hpp
#	src/bridge_gui.cpp
#	src/build_vehicle_gui.cpp
#	src/cargotype.h
#	src/cheat_gui.cpp
#	src/command.cpp
#	src/command_func.h
#	src/company_gui.cpp
#	src/console_gui.cpp
#	src/date_gui.cpp
#	src/depot_gui.cpp
#	src/dock_gui.cpp
#	src/economy.cpp
#	src/error_gui.cpp
#	src/fileio.cpp
#	src/fios.cpp
#	src/fios_gui.cpp
#	src/fontcache/spritefontcache.h
#	src/framerate_gui.cpp
#	src/game/game_text.cpp
#	src/gamelog.cpp
#	src/genworld_gui.cpp
#	src/gfx_layout_fallback.cpp
#	src/group_gui.cpp
#	src/highscore_gui.cpp
#	src/hotkeys.cpp
#	src/industry_cmd.cpp
#	src/industry_gui.cpp
#	src/landscape.cpp
#	src/main_gui.cpp
#	src/misc_cmd.cpp
#	src/misc_gui.cpp
#	src/network/core/tcp_game.cpp
#	src/network/core/udp.cpp
#	src/network/network_chat_gui.cpp
#	src/network/network_content_gui.cpp
#	src/network/network_gui.cpp
#	src/network/network_server.cpp
#	src/network/network_server.h
#	src/newgrf_airport.cpp
#	src/newgrf_airport.h
#	src/newgrf_airporttiles.cpp
#	src/newgrf_airporttiles.h
#	src/newgrf_animation_base.h
#	src/newgrf_canal.cpp
#	src/newgrf_commons.h
#	src/newgrf_config.cpp
#	src/newgrf_debug_gui.cpp
#	src/newgrf_engine.cpp
#	src/newgrf_engine.h
#	src/newgrf_generic.cpp
#	src/newgrf_gui.cpp
#	src/newgrf_house.cpp
#	src/newgrf_house.h
#	src/newgrf_industries.cpp
#	src/newgrf_industries.h
#	src/newgrf_industrytiles.cpp
#	src/newgrf_industrytiles.h
#	src/newgrf_object.cpp
#	src/newgrf_object.h
#	src/newgrf_railtype.cpp
#	src/newgrf_railtype.h
#	src/newgrf_roadstop.cpp
#	src/newgrf_roadstop.h
#	src/newgrf_roadtype.cpp
#	src/newgrf_roadtype.h
#	src/newgrf_spritegroup.cpp
#	src/newgrf_spritegroup.h
#	src/newgrf_station.cpp
#	src/newgrf_station.h
#	src/newgrf_town.cpp
#	src/newgrf_town.h
#	src/news_gui.cpp
#	src/object_gui.cpp
#	src/order_gui.cpp
#	src/os/macosx/crashlog_osx.cpp
#	src/os/unix/crashlog_unix.cpp
#	src/os/windows/crashlog_win.cpp
#	src/os/windows/win32.cpp
#	src/os/windows/win32_main.cpp
#	src/pathfinder/npf/npf.cpp
#	src/pathfinder/npf/queue.cpp
#	src/rail_cmd.cpp
#	src/rail_gui.cpp
#	src/road_gui.cpp
#	src/roadveh.h
#	src/saveload/saveload.cpp
#	src/screenshot.cpp
#	src/script/api/script_text.hpp
#	src/settings.cpp
#	src/settings_gui.cpp
#	src/settings_internal.h
#	src/settings_table.cpp
#	src/signs_cmd.cpp
#	src/signs_gui.cpp
#	src/smallmap_gui.cpp
#	src/smallmap_gui.h
#	src/spriteloader/grf.hpp
#	src/station_cmd.cpp
#	src/station_gui.cpp
#	src/station_map.h
#	src/statusbar_gui.cpp
#	src/stdafx.h
#	src/strgen/strgen.cpp
#	src/table/newgrf_debug_data.h
#	src/terraform_gui.cpp
#	src/timer/timer_game_calendar.cpp
#	src/timer/timer_window.cpp
#	src/town.h
#	src/town_cmd.cpp
#	src/town_gui.cpp
#	src/train_gui.cpp
#	src/transparency_gui.cpp
#	src/vehicle_gui.cpp
#	src/water_cmd.cpp
#	src/waypoint_cmd.cpp
#	src/widget.cpp
#	src/widget_type.h
#	src/widgets/dropdown.cpp
#	src/widgets/rail_widget.h
#	src/widgets/terraform_widget.h
#	src/window.cpp
#	src/window_gui.h
2023-11-20 22:27:05 +00:00

100 lines
3.1 KiB
C++

/*
* 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 "core/endian_func.hpp"
#include "debug.h"
#include "3rdparty/cpp-btree/btree_set.h"
#include "safeguards.h"
PersistentStoragePool _persistent_storage_pool("PersistentStorage");
INSTANTIATE_POOL_METHODS(PersistentStorage)
/** The changed storage arrays */
static btree::btree_set<BasePersistentStorageArray*> _changed_storage_arrays;
bool BasePersistentStorageArray::gameloop;
bool BasePersistentStorageArray::command;
bool BasePersistentStorageArray::testmode;
/**
* Remove references to use.
*/
BasePersistentStorageArray::~BasePersistentStorageArray()
{
_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 AddChangedPersistentStorage(BasePersistentStorageArray *storage)
{
_changed_storage_arrays.insert(storage);
}
/**
* Clear temporary changes made since the last call to SwitchMode, and
* set whether subsequent changes shall be persistent or temporary.
*
* @param mode Mode switch affecting temporary/persistent changes.
* @param ignore_prev_mode Disable some sanity checks for exceptional call circumstances.
*/
/* static */ void BasePersistentStorageArray::SwitchMode(PersistentStorageMode mode, [[maybe_unused]] bool ignore_prev_mode)
{
switch (mode) {
case PSM_ENTER_GAMELOOP:
assert(ignore_prev_mode || !gameloop);
assert(!command && !testmode);
gameloop = true;
break;
case PSM_LEAVE_GAMELOOP:
assert(ignore_prev_mode || gameloop);
assert(!command && !testmode);
gameloop = false;
break;
case PSM_ENTER_COMMAND:
assert((ignore_prev_mode || !command) && !testmode);
command = true;
break;
case PSM_LEAVE_COMMAND:
assert(ignore_prev_mode || command);
command = false;
break;
case PSM_ENTER_TESTMODE:
assert(!command && (ignore_prev_mode || !testmode));
testmode = true;
break;
case PSM_LEAVE_TESTMODE:
assert(ignore_prev_mode || testmode);
testmode = false;
break;
default: NOT_REACHED();
}
/* Discard all temporary changes */
for (auto &it : _changed_storage_arrays) {
DEBUG(desync, 1, "Discarding persistent storage changes: Feature %d, GrfID %08X, Tile %d", it->feature, BSWAP32(it->grfid), it->tile);
it->ClearChanges();
}
_changed_storage_arrays.clear();
}