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/* $Id$ */

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/** @file misc.cpp Misc functions that shouldn't be here. */

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#include "stdafx.h"

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#include "openttd.h"

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#include "currency.h"

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#include "landscape.h"

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#include "news_func.h"

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#include "saveload.h"

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#include "vehicle_gui.h"

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#include "variables.h"

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#include "cheat_func.h"

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#include "ai/ai.h"

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#include "newgrf_house.h"

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#include "cargotype.h"

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#include "group.h"

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#include "viewport_func.h"

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#include "economy_func.h"

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#include "zoom_func.h"

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#include "functions.h"

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#include "map_func.h"

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#include "date_func.h"

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#include "vehicle_func.h"

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#include "texteff.hpp"

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#include "gfx_func.h"

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#include "core/alloc_type.hpp"

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#include "animated_tile_func.h"

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#include "tilehighlight_func.h"

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#include "table/strings.h"

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#include "table/sprites.h"

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extern TileIndex _cur_tileloop_tile;

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void InitializeVehicles();

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void InitializeWaypoints();

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void InitializeDepots();

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void InitializeEngines();

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void InitializeOrders();

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void InitializeClearLand();

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void InitializeRailGui();

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void InitializeRoadGui();

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void InitializeAirportGui();

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void InitializeDockGui();

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void InitializeIndustries();

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void InitializeTowns();

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void InitializeTrees();

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void InitializeSigns();

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void InitializeStations();

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void InitializeCargoPackets();

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void InitializePlayers();

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void InitializeCheats();

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void InitializeNPF();

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void InitializeOldNames();

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void InitializeGame(int mode, uint size_x, uint size_y)

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{

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	AllocateMap(size_x, size_y);

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	SetObjectToPlace(SPR_CURSOR_ZZZ, PAL_NONE, VHM_NONE, WC_MAIN_WINDOW, 0);

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	_pause_game = 0;

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	_fast_forward = 0;

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	_tick_counter = 0;

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	_realtime_tick = 0;

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	_date_fract = 0;

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	_cur_tileloop_tile = 0;

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	if ((mode & IG_DATE_RESET) == IG_DATE_RESET) {

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		InitializeOldNames();

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	}

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	InitializeEngines();

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	InitializeVehicles();

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	InitializeWaypoints();

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	InitializeDepots();

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	InitializeOrders();

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	InitializeGroup();

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	InitNewsItemStructs();

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	InitializeLandscape();

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	InitializeClearLand();

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	InitializeRailGui();

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	InitializeRoadGui();

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	InitializeAirportGui();

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	InitializeDockGui();

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	InitializeTowns();

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	InitializeTrees();

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	InitializeSigns();

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	InitializeStations();

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	InitializeCargoPackets();

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	InitializeIndustries();

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	InitializeBuildingCounts();

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	InitializeTrains();

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	InitializeNPF();

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	AI_Initialize();

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	InitializePlayers();

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	InitializeCheats();

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	InitTextEffects();

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	InitChatMessage();

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	InitializeAnimatedTiles();

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	InitializeLandscapeVariables(false);

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	ResetObjectToPlace();

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}

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/* Calculate constants that depend on the landscape type. */

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void InitializeLandscapeVariables(bool only_constants)

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{

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	if (only_constants) return;

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	for (CargoID i = 0; i < NUM_CARGO; i++) {

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		_cargo_payment_rates[i] = GetCargo(i)->initial_payment;

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		_cargo_payment_rates_frac[i] = 0;

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	}

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}

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static const SaveLoadGlobVarList _date_desc[] = {

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	SLEG_CONDVAR(_date,                   SLE_FILE_U16 | SLE_VAR_I32,  0,  30),

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	SLEG_CONDVAR(_date,                   SLE_INT32,                  31, SL_MAX_VERSION),

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	    SLEG_VAR(_date_fract,             SLE_UINT16),

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	    SLEG_VAR(_tick_counter,           SLE_UINT16),

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	    SLEG_VAR(_vehicle_id_ctr_day,     SLE_UINT16),

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	    SLEG_VAR(_age_cargo_skip_counter, SLE_UINT8),

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	SLE_CONDNULL(1, 0, 45),

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	SLEG_CONDVAR(_cur_tileloop_tile,      SLE_FILE_U16 | SLE_VAR_U32,  0, 5),

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	SLEG_CONDVAR(_cur_tileloop_tile,      SLE_UINT32,                  6, SL_MAX_VERSION),

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	    SLEG_VAR(_disaster_delay,         SLE_UINT16),

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	    SLEG_VAR(_station_tick_ctr,       SLE_UINT16),

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	    SLEG_VAR(_random.state[0],        SLE_UINT32),

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	    SLEG_VAR(_random.state[1],        SLE_UINT32),

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	SLEG_CONDVAR(_cur_town_ctr,           SLE_FILE_U8  | SLE_VAR_U32,  0, 9),

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	SLEG_CONDVAR(_cur_town_ctr,           SLE_UINT32,                 10, SL_MAX_VERSION),

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	    SLEG_VAR(_cur_player_tick_index,  SLE_FILE_U8  | SLE_VAR_U32),

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	    SLEG_VAR(_next_competitor_start,  SLE_FILE_U16 | SLE_VAR_U32),

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	    SLEG_VAR(_trees_tick_ctr,         SLE_UINT8),

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	SLEG_CONDVAR(_pause_game,             SLE_UINT8,                   4, SL_MAX_VERSION),

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	SLEG_CONDVAR(_cur_town_iter,          SLE_UINT32,                 11, SL_MAX_VERSION),

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	    SLEG_END()

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};

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/* Save load date related variables as well as persistent tick counters

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 * XXX: currently some unrelated stuff is just put here */

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static void SaveLoad_DATE()

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{

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	SlGlobList(_date_desc);

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}

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static const SaveLoadGlobVarList _view_desc[] = {

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	SLEG_CONDVAR(_saved_scrollpos_x,    SLE_FILE_I16 | SLE_VAR_I32, 0, 5),

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	SLEG_CONDVAR(_saved_scrollpos_x,    SLE_INT32,                  6, SL_MAX_VERSION),

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	SLEG_CONDVAR(_saved_scrollpos_y,    SLE_FILE_I16 | SLE_VAR_I32, 0, 5),

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	SLEG_CONDVAR(_saved_scrollpos_y,    SLE_INT32,                  6, SL_MAX_VERSION),

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	    SLEG_VAR(_saved_scrollpos_zoom, SLE_UINT8),

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	    SLEG_END()

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};

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static void SaveLoad_VIEW()

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{

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	SlGlobList(_view_desc);

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}

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static uint32 _map_dim_x;

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static uint32 _map_dim_y;

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static const SaveLoadGlobVarList _map_dimensions[] = {

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	SLEG_CONDVAR(_map_dim_x, SLE_UINT32, 6, SL_MAX_VERSION),

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	SLEG_CONDVAR(_map_dim_y, SLE_UINT32, 6, SL_MAX_VERSION),

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	    SLEG_END()

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};

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static void Save_MAPS()

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{

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	_map_dim_x = MapSizeX();

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	_map_dim_y = MapSizeY();

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	SlGlobList(_map_dimensions);

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}

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static void Load_MAPS()

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{

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	SlGlobList(_map_dimensions);

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	AllocateMap(_map_dim_x, _map_dim_y);

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}

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enum {

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	MAP_SL_BUF_SIZE = 4096

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};

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static void Load_MAPT()

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{

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	SmallStackSafeStackAlloc<byte, MAP_SL_BUF_SIZE> buf;

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	TileIndex size = MapSize();

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	for (TileIndex i = 0; i != size;) {

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		SlArray(buf, MAP_SL_BUF_SIZE, SLE_UINT8);

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		for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) _m[i++].type_height = buf[j];

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	}

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}

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static void Save_MAPT()

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{

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	SmallStackSafeStackAlloc<byte, MAP_SL_BUF_SIZE> buf;

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	TileIndex size = MapSize();

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	SlSetLength(size);

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	for (TileIndex i = 0; i != size;) {

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		for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = _m[i++].type_height;

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		SlArray(buf, MAP_SL_BUF_SIZE, SLE_UINT8);

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	}

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}

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static void Load_MAP1()

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{

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	SmallStackSafeStackAlloc<byte, MAP_SL_BUF_SIZE> buf;

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	TileIndex size = MapSize();

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	for (TileIndex i = 0; i != size;) {

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		SlArray(buf, MAP_SL_BUF_SIZE, SLE_UINT8);

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		for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) _m[i++].m1 = buf[j];

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	}

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}

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static void Save_MAP1()

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{

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	SmallStackSafeStackAlloc<byte, MAP_SL_BUF_SIZE> buf;

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	TileIndex size = MapSize();

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	SlSetLength(size);

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	for (TileIndex i = 0; i != size;) {

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		for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = _m[i++].m1;

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		SlArray(buf, MAP_SL_BUF_SIZE, SLE_UINT8);

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	}

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}

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static void Load_MAP2()

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{

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	SmallStackSafeStackAlloc<uint16, MAP_SL_BUF_SIZE> buf;

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	TileIndex size = MapSize();

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	for (TileIndex i = 0; i != size;) {

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		SlArray(buf, MAP_SL_BUF_SIZE,

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			/* In those versions the m2 was 8 bits */

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			CheckSavegameVersion(5) ? SLE_FILE_U8 | SLE_VAR_U16 : SLE_UINT16

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		);

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		for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) _m[i++].m2 = buf[j];

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	}

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}

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static void Save_MAP2()

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{

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	SmallStackSafeStackAlloc<uint16, MAP_SL_BUF_SIZE> buf;

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	TileIndex size = MapSize();

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	SlSetLength(size * sizeof(uint16));

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	for (TileIndex i = 0; i != size;) {

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		for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = _m[i++].m2;

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		SlArray(buf, MAP_SL_BUF_SIZE, SLE_UINT16);

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	}

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}

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static void Load_MAP3()

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{

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	SmallStackSafeStackAlloc<byte, MAP_SL_BUF_SIZE> buf;

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	TileIndex size = MapSize();

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	for (TileIndex i = 0; i != size;) {

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		SlArray(buf, MAP_SL_BUF_SIZE, SLE_UINT8);

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		for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) _m[i++].m3 = buf[j];

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	}

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}

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static void Save_MAP3()

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{

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	SmallStackSafeStackAlloc<byte, MAP_SL_BUF_SIZE> buf;

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	TileIndex size = MapSize();

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	SlSetLength(size);

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	for (TileIndex i = 0; i != size;) {

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		for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = _m[i++].m3;

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		SlArray(buf, MAP_SL_BUF_SIZE, SLE_UINT8);

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	}

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}

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static void Load_MAP4()

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{

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	SmallStackSafeStackAlloc<byte, MAP_SL_BUF_SIZE> buf;

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	TileIndex size = MapSize();

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	for (TileIndex i = 0; i != size;) {

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		SlArray(buf, MAP_SL_BUF_SIZE, SLE_UINT8);

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		for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) _m[i++].m4 = buf[j];

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	}

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}

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static void Save_MAP4()

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{

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	SmallStackSafeStackAlloc<byte, MAP_SL_BUF_SIZE> buf;

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	TileIndex size = MapSize();

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	SlSetLength(size);

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	for (TileIndex i = 0; i != size;) {

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		for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = _m[i++].m4;

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		SlArray(buf, MAP_SL_BUF_SIZE, SLE_UINT8);

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	}

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}

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static void Load_MAP5()

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{

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	SmallStackSafeStackAlloc<byte, MAP_SL_BUF_SIZE> buf;

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	TileIndex size = MapSize();

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	for (TileIndex i = 0; i != size;) {

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		SlArray(buf, MAP_SL_BUF_SIZE, SLE_UINT8);

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		for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) _m[i++].m5 = buf[j];

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	}

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}

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static void Save_MAP5()

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{

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	SmallStackSafeStackAlloc<byte, MAP_SL_BUF_SIZE> buf;

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	TileIndex size = MapSize();

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	SlSetLength(size);

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	for (TileIndex i = 0; i != size;) {

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		for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = _m[i++].m5;

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		SlArray(buf, MAP_SL_BUF_SIZE, SLE_UINT8);

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	}

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}

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static void Load_MAP6()

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{

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	SmallStackSafeStackAlloc<byte, MAP_SL_BUF_SIZE> buf;

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	TileIndex size = MapSize();

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	if (CheckSavegameVersion(42)) {

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		for (TileIndex i = 0; i != size;) {

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			/* 1024, otherwise we overflow on 64x64 maps! */

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			SlArray(buf, 1024, SLE_UINT8);

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			for (uint j = 0; j != 1024; j++) {

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				_m[i++].m6 = GB(buf[j], 0, 2);

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				_m[i++].m6 = GB(buf[j], 2, 2);

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				_m[i++].m6 = GB(buf[j], 4, 2);

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				_m[i++].m6 = GB(buf[j], 6, 2);

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			}

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		}

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	} else {

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		for (TileIndex i = 0; i != size;) {

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			SlArray(buf, MAP_SL_BUF_SIZE, SLE_UINT8);

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			for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) _m[i++].m6 = buf[j];

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		}

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	}

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}

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static void Save_MAP6()

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{

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	SmallStackSafeStackAlloc<byte, MAP_SL_BUF_SIZE> buf;

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	TileIndex size = MapSize();

   368

   369

	SlSetLength(size);

   370

	for (TileIndex i = 0; i != size;) {

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		for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = _m[i++].m6;

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		SlArray(buf, MAP_SL_BUF_SIZE, SLE_UINT8);

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	}

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}

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static void Load_MAP7()

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{

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	SmallStackSafeStackAlloc<byte, MAP_SL_BUF_SIZE> buf;

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	TileIndex size = MapSize();

   380

   381

	for (TileIndex i = 0; i != size;) {

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		SlArray(buf, MAP_SL_BUF_SIZE, SLE_UINT8);

   383

		for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) _me[i++].m7 = buf[j];

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	}

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}

   386

   387

static void Save_MAP7()

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{

   389

	SmallStackSafeStackAlloc<byte, MAP_SL_BUF_SIZE> buf;

   390

	TileIndex size = MapSize();

   391

   392

	SlSetLength(size);

   393

	for (TileIndex i = 0; i != size;) {

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		for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = _me[i++].m7;

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		SlArray(buf, MAP_SL_BUF_SIZE, SLE_UINT8);

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	}

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}

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extern const ChunkHandler _misc_chunk_handlers[] = {

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	{ 'MAPS', Save_MAPS,     Load_MAPS,     CH_RIFF },

   401

	{ 'MAPT', Save_MAPT,     Load_MAPT,     CH_RIFF },

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	{ 'MAPO', Save_MAP1,     Load_MAP1,     CH_RIFF },

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	{ 'MAP2', Save_MAP2,     Load_MAP2,     CH_RIFF },

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	{ 'M3LO', Save_MAP3,     Load_MAP3,     CH_RIFF },

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	{ 'M3HI', Save_MAP4,     Load_MAP4,     CH_RIFF },

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	{ 'MAP5', Save_MAP5,     Load_MAP5,     CH_RIFF },

   407

	{ 'MAPE', Save_MAP6,     Load_MAP6,     CH_RIFF },

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	{ 'MAP7', Save_MAP7,     Load_MAP7,     CH_RIFF },

   409

   410

	{ 'DATE', SaveLoad_DATE, SaveLoad_DATE, CH_RIFF},

   411

	{ 'VIEW', SaveLoad_VIEW, SaveLoad_VIEW, CH_RIFF | CH_LAST},

   412

};