674 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			674 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/* $Id$ */
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/** @file misc.cpp */
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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 "functions.h"
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#include "landscape.h"
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#include "news.h"
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#include "player.h"
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#include "string.h"
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#include "table/strings.h"
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#include "table/sprites.h"
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#include "map.h"
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#include "vehicle.h"
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#include "saveload.h"
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#include "engine.h"
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#include "vehicle_gui.h"
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#include "variables.h"
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#include "ai/ai.h"
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#include "newgrf_house.h"
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#include "date.h"
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#include "cargotype.h"
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#include "group.h"
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char _name_array[512][32];
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#ifndef MERSENNE_TWISTER
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#ifdef RANDOM_DEBUG
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#include "network/network_data.h"
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uint32 DoRandom(int line, const char *file)
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#else // RANDOM_DEBUG
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uint32 Random()
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#endif // RANDOM_DEBUG
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{
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uint32 s;
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uint32 t;
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#ifdef RANDOM_DEBUG
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	if (_networking && (DEREF_CLIENT(0)->status != STATUS_INACTIVE || !_network_server))
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		printf("Random [%d/%d] %s:%d\n",_frame_counter, _current_player, file, line);
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#endif
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	s = _random_seeds[0][0];
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	t = _random_seeds[0][1];
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	_random_seeds[0][0] = s + ROR(t ^ 0x1234567F, 7) + 1;
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	return _random_seeds[0][1] = ROR(s, 3) - 1;
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}
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#endif // MERSENNE_TWISTER
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#if defined(RANDOM_DEBUG) && !defined(MERSENNE_TWISTER)
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uint DoRandomRange(uint max, int line, const char *file)
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{
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	return GB(DoRandom(line, file), 0, 16) * max >> 16;
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}
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#else
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uint RandomRange(uint max)
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{
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	return GB(Random(), 0, 16) * max >> 16;
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}
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#endif
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uint32 InteractiveRandom()
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{
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	uint32 t = _random_seeds[1][1];
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	uint32 s = _random_seeds[1][0];
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	_random_seeds[1][0] = s + ROR(t ^ 0x1234567F, 7) + 1;
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	return _random_seeds[1][1] = ROR(s, 3) - 1;
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}
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uint InteractiveRandomRange(uint max)
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{
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	return GB(InteractiveRandom(), 0, 16) * max >> 16;
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}
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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 InitializeMainGui();
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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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static void InitializeNameMgr();
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void InitializePlayers();
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static void InitializeCheats();
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void InitializeNPF();
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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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	AddTypeToEngines(); // make sure all engines have a type
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	SetObjectToPlace(SPR_CURSOR_ZZZ, PAL_NONE, 0, 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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		SetDate(ConvertYMDToDate(_patches.starting_year, 0, 1));
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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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	InitializeMainGui();
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	InitializeNameMgr();
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	InitializeVehiclesGuiList();
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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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	InitTextMessage();
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	InitializeAnimatedTiles();
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	InitializeLandscapeVariables(false);
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	ResetObjectToPlace();
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}
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bool IsCustomName(StringID id)
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{
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	return GB(id, 11, 5) == 15;
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}
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void DeleteName(StringID id)
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{
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	if (IsCustomName(id)) {
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		memset(_name_array[id & 0x1FF], 0, sizeof(_name_array[id & 0x1FF]));
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	}
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}
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char *GetName(char *buff, StringID id, const char* last)
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{
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	return strecpy(buff, _name_array[id & ~0x600], last);
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}
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static void InitializeCheats()
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{
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	memset(&_cheats, 0, sizeof(Cheats));
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}
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static void InitializeNameMgr()
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{
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	memset(_name_array, 0, sizeof(_name_array));
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}
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StringID RealAllocateName(const char *name, byte skip, bool check_double)
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{
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	char (*free_item)[lengthof(*_name_array)] = NULL;
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	char (*i)[lengthof(*_name_array)];
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	for (i = _name_array; i != endof(_name_array); ++i) {
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		if ((*i)[0] == '\0') {
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			if (free_item == NULL) free_item = i;
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		} else if (check_double && strncmp(*i, name, lengthof(*i) - 1) == 0) {
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			_error_message = STR_0132_CHOSEN_NAME_IN_USE_ALREADY;
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			return 0;
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		}
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	}
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	if (free_item != NULL) {
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		ttd_strlcpy(*free_item, name, lengthof(*free_item));
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		return (free_item - _name_array) | 0x7800 | (skip << 8);
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	} else {
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		_error_message = STR_0131_TOO_MANY_NAMES_DEFINED;
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		return 0;
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	}
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}
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void ConvertNameArray()
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{
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	uint i;
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	for (i = 0; i < lengthof(_name_array); i++) {
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		const char *strfrom = _name_array[i];
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		char tmp[sizeof(*_name_array)];
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		char *strto = tmp;
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		for (; *strfrom != '\0'; strfrom++) {
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			WChar c = (byte)*strfrom;
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			switch (c) {
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				case 0xA4: c = 0x20AC; break; // Euro
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				case 0xA6: c = 0x0160; break; // S with caron
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				case 0xA8: c = 0x0161; break; // s with caron
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				case 0xB4: c = 0x017D; break; // Z with caron
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				case 0xB8: c = 0x017E; break; // z with caron
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				case 0xBC: c = 0x0152; break; // OE ligature
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				case 0xBD: c = 0x0153; break; // oe ligature
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				case 0xBE: c = 0x0178; break; // Y with diaresis
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				default: break;
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			}
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			if (strto + Utf8CharLen(c) > lastof(tmp)) break;
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			strto += Utf8Encode(strto, c);
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		}
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		/* Terminate the new string and copy it back to the name array */
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		*strto = '\0';
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		memcpy(_name_array[i], tmp, sizeof(*_name_array));
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	}
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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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int FindFirstBit(uint32 value)
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{
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	/* The macro FIND_FIRST_BIT is better to use when your value is
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	  not more than 128. */
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	byte i = 0;
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	if (value == 0) return 0;
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	if ((value & 0x0000ffff) == 0) { value >>= 16; i += 16; }
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	if ((value & 0x000000ff) == 0) { value >>= 8;  i += 8;  }
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	if ((value & 0x0000000f) == 0) { value >>= 4;  i += 4;  }
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	if ((value & 0x00000003) == 0) { value >>= 2;  i += 2;  }
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	if ((value & 0x00000001) == 0) { i += 1; }
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	return i;
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}
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int CountBitsSet(uint32 value)
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{
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	int num;
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	/* This loop is only called once for every bit set by clearing the lowest
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	 * bit in each loop. The number of bits is therefore equal to the number of
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	 * times the loop was called. It was found at the following website:
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	 * http://graphics.stanford.edu/~seander/bithacks.html */
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	for (num = 0; value != 0; num++) {
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		value &= value - 1;
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	}
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	return num;
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}
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static void Save_NAME()
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{
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	int i;
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	for (i = 0; i != lengthof(_name_array); ++i) {
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		if (_name_array[i][0] != '\0') {
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			SlSetArrayIndex(i);
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			SlArray(_name_array[i], (uint)strlen(_name_array[i]), SLE_UINT8);
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		}
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	}
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}
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static void Load_NAME()
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{
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	int index;
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	while ((index = SlIterateArray()) != -1) {
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		SlArray(_name_array[index], SlGetFieldLength(), SLE_UINT8);
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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_seeds[0][0],     SLE_UINT32),
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	    SLEG_VAR(_random_seeds[0][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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static void Load_MAPT()
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{
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	uint size = MapSize();
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	uint i;
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	for (i = 0; i != size;) {
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		byte buf[4096];
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		uint j;
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		SlArray(buf, lengthof(buf), SLE_UINT8);
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		for (j = 0; j != lengthof(buf); 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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	uint size = MapSize();
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	uint i;
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	SlSetLength(size);
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	for (i = 0; i != size;) {
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		byte buf[4096];
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		uint j;
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		for (j = 0; j != lengthof(buf); j++) buf[j] = _m[i++].type_height;
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		SlArray(buf, lengthof(buf), 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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	uint size = MapSize();
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	uint i;
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	for (i = 0; i != size;) {
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		byte buf[4096];
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		uint j;
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		SlArray(buf, lengthof(buf), SLE_UINT8);
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		for (j = 0; j != lengthof(buf); 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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	uint size = MapSize();
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	uint i;
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	SlSetLength(size);
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	for (i = 0; i != size;) {
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		byte buf[4096];
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		uint j;
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		for (j = 0; j != lengthof(buf); j++) buf[j] = _m[i++].m1;
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		SlArray(buf, lengthof(buf), 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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	uint size = MapSize();
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	uint i;
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						|
	for (i = 0; i != size;) {
 | 
						|
		uint16 buf[4096];
 | 
						|
		uint j;
 | 
						|
 | 
						|
		SlArray(buf, lengthof(buf),
 | 
						|
			/* In those versions the m2 was 8 bits */
 | 
						|
			CheckSavegameVersion(5) ? SLE_FILE_U8 | SLE_VAR_U16 : SLE_UINT16
 | 
						|
		);
 | 
						|
		for (j = 0; j != lengthof(buf); j++) _m[i++].m2 = buf[j];
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
static void Save_MAP2()
 | 
						|
{
 | 
						|
	uint size = MapSize();
 | 
						|
	uint i;
 | 
						|
 | 
						|
	SlSetLength(size * sizeof(_m[0].m2));
 | 
						|
	for (i = 0; i != size;) {
 | 
						|
		uint16 buf[4096];
 | 
						|
		uint j;
 | 
						|
 | 
						|
		for (j = 0; j != lengthof(buf); j++) buf[j] = _m[i++].m2;
 | 
						|
		SlArray(buf, lengthof(buf), SLE_UINT16);
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
static void Load_MAP3()
 | 
						|
{
 | 
						|
	uint size = MapSize();
 | 
						|
	uint i;
 | 
						|
 | 
						|
	for (i = 0; i != size;) {
 | 
						|
		byte buf[4096];
 | 
						|
		uint j;
 | 
						|
 | 
						|
		SlArray(buf, lengthof(buf), SLE_UINT8);
 | 
						|
		for (j = 0; j != lengthof(buf); j++) _m[i++].m3 = buf[j];
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
static void Save_MAP3()
 | 
						|
{
 | 
						|
	uint size = MapSize();
 | 
						|
	uint i;
 | 
						|
 | 
						|
	SlSetLength(size);
 | 
						|
	for (i = 0; i != size;) {
 | 
						|
		byte buf[4096];
 | 
						|
		uint j;
 | 
						|
 | 
						|
		for (j = 0; j != lengthof(buf); j++) buf[j] = _m[i++].m3;
 | 
						|
		SlArray(buf, lengthof(buf), SLE_UINT8);
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
static void Load_MAP4()
 | 
						|
{
 | 
						|
	uint size = MapSize();
 | 
						|
	uint i;
 | 
						|
 | 
						|
	for (i = 0; i != size;) {
 | 
						|
		byte buf[4096];
 | 
						|
		uint j;
 | 
						|
 | 
						|
		SlArray(buf, lengthof(buf), SLE_UINT8);
 | 
						|
		for (j = 0; j != lengthof(buf); j++) _m[i++].m4 = buf[j];
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
static void Save_MAP4()
 | 
						|
{
 | 
						|
	uint size = MapSize();
 | 
						|
	uint i;
 | 
						|
 | 
						|
	SlSetLength(size);
 | 
						|
	for (i = 0; i != size;) {
 | 
						|
		byte buf[4096];
 | 
						|
		uint j;
 | 
						|
 | 
						|
		for (j = 0; j != lengthof(buf); j++) buf[j] = _m[i++].m4;
 | 
						|
		SlArray(buf, lengthof(buf), SLE_UINT8);
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
static void Load_MAP5()
 | 
						|
{
 | 
						|
	uint size = MapSize();
 | 
						|
	uint i;
 | 
						|
 | 
						|
	for (i = 0; i != size;) {
 | 
						|
		byte buf[4096];
 | 
						|
		uint j;
 | 
						|
 | 
						|
		SlArray(buf, lengthof(buf), SLE_UINT8);
 | 
						|
		for (j = 0; j != lengthof(buf); j++) _m[i++].m5 = buf[j];
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
static void Save_MAP5()
 | 
						|
{
 | 
						|
	uint size = MapSize();
 | 
						|
	uint i;
 | 
						|
 | 
						|
	SlSetLength(size);
 | 
						|
	for (i = 0; i != size;) {
 | 
						|
		byte buf[4096];
 | 
						|
		uint j;
 | 
						|
 | 
						|
		for (j = 0; j != lengthof(buf); j++) buf[j] = _m[i++].m5;
 | 
						|
		SlArray(buf, lengthof(buf), SLE_UINT8);
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
static void Load_MAP6()
 | 
						|
{
 | 
						|
	/* Still available for loading old games */
 | 
						|
	uint size = MapSize();
 | 
						|
	uint i;
 | 
						|
 | 
						|
	if (CheckSavegameVersion(42)) {
 | 
						|
		for (i = 0; i != size;) {
 | 
						|
			uint8 buf[1024];
 | 
						|
			uint j;
 | 
						|
 | 
						|
			SlArray(buf, lengthof(buf), SLE_UINT8);
 | 
						|
			for (j = 0; j != lengthof(buf); j++) {
 | 
						|
				_m[i++].m6 = GB(buf[j], 0, 2);
 | 
						|
				_m[i++].m6 = GB(buf[j], 2, 2);
 | 
						|
				_m[i++].m6 = GB(buf[j], 4, 2);
 | 
						|
				_m[i++].m6 = GB(buf[j], 6, 2);
 | 
						|
			}
 | 
						|
		}
 | 
						|
	} else {
 | 
						|
		for (i = 0; i != size;) {
 | 
						|
			byte buf[4096];
 | 
						|
			uint j;
 | 
						|
 | 
						|
			SlArray(buf, lengthof(buf), SLE_UINT8);
 | 
						|
			for (j = 0; j != lengthof(buf); j++) _m[i++].m6 = buf[j];
 | 
						|
		}
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
static void Save_MAP6()
 | 
						|
{
 | 
						|
	uint size = MapSize();
 | 
						|
	uint i;
 | 
						|
 | 
						|
	SlSetLength(size);
 | 
						|
	for (i = 0; i != size;) {
 | 
						|
		uint8 buf[4096];
 | 
						|
		uint j;
 | 
						|
 | 
						|
		for (j = 0; j != lengthof(buf); j++) buf[j] = _m[i++].m6;
 | 
						|
		SlArray(buf, lengthof(buf), SLE_UINT8);
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
static void Load_MAP7()
 | 
						|
{
 | 
						|
	uint size = MapSize();
 | 
						|
	uint i;
 | 
						|
 | 
						|
	for (i = 0; i != size;) {
 | 
						|
		uint8 buf[4096];
 | 
						|
		uint j;
 | 
						|
 | 
						|
		SlArray(buf, lengthof(buf), SLE_UINT8);
 | 
						|
		for (j = 0; j != lengthof(buf); j++) _me[i++].m7 = buf[j];
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
static void Save_MAP7()
 | 
						|
{
 | 
						|
	uint size = MapSize();
 | 
						|
	uint i;
 | 
						|
 | 
						|
	SlSetLength(size);
 | 
						|
	for (i = 0; i != size;) {
 | 
						|
		uint8 buf[4096];
 | 
						|
		uint j;
 | 
						|
 | 
						|
		for (j = 0; j != lengthof(buf); j++) buf[j] = _me[i++].m7;
 | 
						|
		SlArray(buf, lengthof(buf), SLE_UINT8);
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
static void Save_CHTS()
 | 
						|
{
 | 
						|
	byte count = sizeof(_cheats)/sizeof(Cheat);
 | 
						|
	Cheat* cht = (Cheat*) &_cheats;
 | 
						|
	Cheat* cht_last = &cht[count];
 | 
						|
 | 
						|
	SlSetLength(count * 2);
 | 
						|
	for (; cht != cht_last; cht++) {
 | 
						|
		SlWriteByte(cht->been_used);
 | 
						|
		SlWriteByte(cht->value);
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
static void Load_CHTS()
 | 
						|
{
 | 
						|
	Cheat* cht = (Cheat*)&_cheats;
 | 
						|
	uint count = SlGetFieldLength() / 2;
 | 
						|
	uint i;
 | 
						|
 | 
						|
	for (i = 0; i < count; i++) {
 | 
						|
		cht[i].been_used = (SlReadByte() != 0);
 | 
						|
		cht[i].value     = (SlReadByte() != 0);
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
extern const ChunkHandler _misc_chunk_handlers[] = {
 | 
						|
	{ 'MAPS', Save_MAPS,     Load_MAPS,     CH_RIFF },
 | 
						|
	{ 'MAPT', Save_MAPT,     Load_MAPT,     CH_RIFF },
 | 
						|
	{ 'MAPO', Save_MAP1,     Load_MAP1,     CH_RIFF },
 | 
						|
	{ 'MAP2', Save_MAP2,     Load_MAP2,     CH_RIFF },
 | 
						|
	{ 'M3LO', Save_MAP3,     Load_MAP3,     CH_RIFF },
 | 
						|
	{ 'M3HI', Save_MAP4,     Load_MAP4,     CH_RIFF },
 | 
						|
	{ 'MAP5', Save_MAP5,     Load_MAP5,     CH_RIFF },
 | 
						|
	{ 'MAPE', Save_MAP6,     Load_MAP6,     CH_RIFF },
 | 
						|
	{ 'MAP7', Save_MAP7,     Load_MAP7,     CH_RIFF },
 | 
						|
 | 
						|
	{ 'NAME', Save_NAME,     Load_NAME,     CH_ARRAY},
 | 
						|
	{ 'DATE', SaveLoad_DATE, SaveLoad_DATE, CH_RIFF},
 | 
						|
	{ 'VIEW', SaveLoad_VIEW, SaveLoad_VIEW, CH_RIFF},
 | 
						|
	{ 'CHTS', Save_CHTS,     Load_CHTS,     CH_RIFF | CH_LAST}
 | 
						|
};
 |