new file mode 100644
--- /dev/null
+++ b/src/misc.cpp
@@ -0,0 +1,634 @@
+/* $Id$ */
+
+#include "stdafx.h"
+#include "openttd.h"
+#include "currency.h"
+#include "functions.h"
+#include "news.h"
+#include "player.h"
+#include "string.h"
+#include "table/strings.h"
+#include "table/sprites.h"
+#include "map.h"
+#include "vehicle.h"
+#include "saveload.h"
+#include "engine.h"
+#include "vehicle_gui.h"
+#include "variables.h"
+#include "ai/ai.h"
+#include "table/landscape_const.h"
+#include "date.h"
+
+char _name_array[512][32];
+
+#ifndef MERSENNE_TWISTER
+
+#ifdef RANDOM_DEBUG
+#include "network/network_data.h"
+uint32 DoRandom(int line, const char *file)
+#else // RANDOM_DEBUG
+uint32 Random(void)
+#endif // RANDOM_DEBUG
+{
+
+uint32 s;
+uint32 t;
+
+#ifdef RANDOM_DEBUG
+	if (_networking && (DEREF_CLIENT(0)->status != STATUS_INACTIVE || !_network_server))
+		printf("Random [%d/%d] %s:%d\n",_frame_counter, _current_player, file, line);
+#endif
+
+	s = _random_seeds[0][0];
+	t = _random_seeds[0][1];
+	_random_seeds[0][0] = s + ROR(t ^ 0x1234567F, 7) + 1;
+	return _random_seeds[0][1] = ROR(s, 3) - 1;
+}
+#endif // MERSENNE_TWISTER
+
+#if defined(RANDOM_DEBUG) && !defined(MERSENNE_TWISTER)
+uint DoRandomRange(uint max, int line, const char *file)
+{
+	return GB(DoRandom(line, file), 0, 16) * max >> 16;
+}
+#else
+uint RandomRange(uint max)
+{
+	return GB(Random(), 0, 16) * max >> 16;
+}
+#endif
+
+
+uint32 InteractiveRandom(void)
+{
+	uint32 t = _random_seeds[1][1];
+	uint32 s = _random_seeds[1][0];
+	_random_seeds[1][0] = s + ROR(t ^ 0x1234567F, 7) + 1;
+	return _random_seeds[1][1] = ROR(s, 3) - 1;
+}
+
+uint InteractiveRandomRange(uint max)
+{
+	return GB(InteractiveRandom(), 0, 16) * max >> 16;
+}
+
+void InitializeVehicles(void);
+void InitializeWaypoints(void);
+void InitializeDepots(void);
+void InitializeEngines(void);
+void InitializeOrders(void);
+void InitializeClearLand(void);
+void InitializeRailGui(void);
+void InitializeRoadGui(void);
+void InitializeAirportGui(void);
+void InitializeDockGui(void);
+void InitializeIndustries(void);
+void InitializeMainGui(void);
+void InitializeLandscape(void);
+void InitializeTowns(void);
+void InitializeTrees(void);
+void InitializeSigns(void);
+void InitializeStations(void);
+static void InitializeNameMgr(void);
+void InitializePlayers(void);
+static void InitializeCheats(void);
+void InitializeNPF(void);
+
+void InitializeGame(int mode, uint size_x, uint size_y)
+{
+	AllocateMap(size_x, size_y);
+
+	AddTypeToEngines(); // make sure all engines have a type
+
+	SetObjectToPlace(SPR_CURSOR_ZZZ, 0, 0, 0);
+
+	_pause = 0;
+	_fast_forward = 0;
+	_tick_counter = 0;
+	_date_fract = 0;
+	_cur_tileloop_tile = 0;
+
+	if ((mode & IG_DATE_RESET) == IG_DATE_RESET) {
+		SetDate(ConvertYMDToDate(_patches.starting_year, 0, 1));
+	}
+
+	InitializeEngines();
+	InitializeVehicles();
+	InitializeWaypoints();
+	InitializeDepots();
+	InitializeOrders();
+
+	InitNewsItemStructs();
+	InitializeLandscape();
+	InitializeClearLand();
+	InitializeRailGui();
+	InitializeRoadGui();
+	InitializeAirportGui();
+	InitializeDockGui();
+	InitializeTowns();
+	InitializeTrees();
+	InitializeSigns();
+	InitializeStations();
+	InitializeIndustries();
+	InitializeMainGui();
+
+	InitializeNameMgr();
+	InitializeVehiclesGuiList();
+	InitializeTrains();
+	InitializeNPF();
+
+	AI_Initialize();
+	InitializePlayers();
+	InitializeCheats();
+
+	InitTextEffects();
+	InitTextMessage();
+	InitializeAnimatedTiles();
+
+	InitializeLandscapeVariables(false);
+
+	ResetObjectToPlace();
+}
+
+bool IsCustomName(StringID id)
+{
+	return GB(id, 11, 5) == 15;
+}
+
+void DeleteName(StringID id)
+{
+	if (IsCustomName(id)) {
+		memset(_name_array[id & 0x1FF], 0, sizeof(_name_array[id & 0x1FF]));
+	}
+}
+
+char *GetName(char *buff, StringID id, const char* last)
+{
+	return strecpy(buff, _name_array[id & ~0x600], last);
+}
+
+
+static void InitializeCheats(void)
+{
+	memset(&_cheats, 0, sizeof(Cheats));
+}
+
+
+static void InitializeNameMgr(void)
+{
+	memset(_name_array, 0, sizeof(_name_array));
+}
+
+StringID RealAllocateName(const char *name, byte skip, bool check_double)
+{
+	char (*free_item)[lengthof(*_name_array)] = NULL;
+	char (*i)[lengthof(*_name_array)];
+
+	for (i = _name_array; i != endof(_name_array); ++i) {
+		if ((*i)[0] == '\0') {
+			if (free_item == NULL) free_item = i;
+		} else if (check_double && strncmp(*i, name, lengthof(*i) - 1) == 0) {
+			_error_message = STR_0132_CHOSEN_NAME_IN_USE_ALREADY;
+			return 0;
+		}
+	}
+
+	if (free_item != NULL) {
+		ttd_strlcpy(*free_item, name, lengthof(*free_item));
+		return (free_item - _name_array) | 0x7800 | (skip << 8);
+	} else {
+		_error_message = STR_0131_TOO_MANY_NAMES_DEFINED;
+		return 0;
+	}
+}
+
+void ConvertNameArray(void)
+{
+	uint i;
+
+	for (i = 0; i < lengthof(_name_array); i++) {
+		const char *strfrom = _name_array[i];
+		char tmp[sizeof(*_name_array)];
+		char *strto = tmp;
+
+		for (; *strfrom != '\0'; strfrom++) {
+			WChar c = (byte)*strfrom;
+			switch (c) {
+				case 0xA4: c = 0x20AC; break; // Euro
+				case 0xA6: c = 0x0160; break; // S with caron
+				case 0xA8: c = 0x0161; break; // s with caron
+				case 0xB4: c = 0x017D; break; // Z with caron
+				case 0xB8: c = 0x017E; break; // z with caron
+				case 0xBC: c = 0x0152; break; // OE ligature
+				case 0xBD: c = 0x0153; break; // oe ligature
+				case 0xBE: c = 0x0178; break; // Y with diaresis
+				default: break;
+			}
+			if (strto + Utf8CharLen(c) > lastof(tmp)) break;
+			strto += Utf8Encode(strto, c);
+		}
+
+		/* Terminate the new string and copy it back to the name array */
+		*strto = '\0';
+		memcpy(_name_array[i], tmp, sizeof(*_name_array));
+	}
+}
+
+// Calculate constants that depend on the landscape type.
+void InitializeLandscapeVariables(bool only_constants)
+{
+	const CargoTypesValues *lpd;
+	uint i;
+	StringID str;
+
+	lpd = &_cargo_types_base_values[_opt.landscape];
+
+	for (i = 0; i != NUM_CARGO; i++) {
+		_cargoc.sprites[i] = lpd->sprites[i];
+
+		str = lpd->names[i];
+		_cargoc.names_s[i] = str;
+		_cargoc.names_long[i] = (str += 0x40);
+		_cargoc.names_short[i] = (str += 0x20);
+		_cargoc.weights[i] = lpd->weights[i];
+
+		if (!only_constants) {
+			_cargo_payment_rates[i] = lpd->initial_cargo_payment[i];
+			_cargo_payment_rates_frac[i] = 0;
+		}
+
+		_cargoc.transit_days_1[i] = lpd->transit_days_table_1[i];
+		_cargoc.transit_days_2[i] = lpd->transit_days_table_2[i];
+	}
+}
+
+
+
+int FindFirstBit(uint32 value)
+{
+	// This is much faster than the one that was before here.
+	//  Created by Darkvater.. blame him if it is wrong ;)
+	// Btw, the macro FINDFIRSTBIT is better to use when your value is
+	//  not more than 128.
+	byte i = 0;
+	if (value & 0xffff0000) { value >>= 16; i += 16; }
+	if (value & 0x0000ff00) { value >>= 8;  i +=  8; }
+	if (value & 0x000000f0) { value >>= 4;  i +=  4; }
+	if (value & 0x0000000c) { value >>= 2;  i +=  2; }
+	if (value & 0x00000002) { i += 1; }
+	return i;
+}
+
+
+static void Save_NAME(void)
+{
+	int i;
+
+	for (i = 0; i != lengthof(_name_array); ++i) {
+		if (_name_array[i][0] != '\0') {
+			SlSetArrayIndex(i);
+			SlArray(_name_array[i], (uint)strlen(_name_array[i]), SLE_UINT8);
+		}
+	}
+}
+
+static void Load_NAME(void)
+{
+	int index;
+
+	while ((index = SlIterateArray()) != -1) {
+		SlArray(_name_array[index],SlGetFieldLength(),SLE_UINT8);
+	}
+}
+
+static const SaveLoadGlobVarList _date_desc[] = {
+	SLEG_CONDVAR(_date,                   SLE_FILE_U16 | SLE_VAR_I32,  0,  30),
+	SLEG_CONDVAR(_date,                   SLE_INT32,                  31, SL_MAX_VERSION),
+	    SLEG_VAR(_date_fract,             SLE_UINT16),
+	    SLEG_VAR(_tick_counter,           SLE_UINT16),
+	    SLEG_VAR(_vehicle_id_ctr_day,     SLE_UINT16),
+	    SLEG_VAR(_age_cargo_skip_counter, SLE_UINT8),
+	    SLEG_VAR(_avail_aircraft,         SLE_UINT8),
+	SLEG_CONDVAR(_cur_tileloop_tile,      SLE_FILE_U16 | SLE_VAR_U32,  0, 5),
+	SLEG_CONDVAR(_cur_tileloop_tile,      SLE_UINT32,                  6, SL_MAX_VERSION),
+	    SLEG_VAR(_disaster_delay,         SLE_UINT16),
+	    SLEG_VAR(_station_tick_ctr,       SLE_UINT16),
+	    SLEG_VAR(_random_seeds[0][0],     SLE_UINT32),
+	    SLEG_VAR(_random_seeds[0][1],     SLE_UINT32),
+	SLEG_CONDVAR(_cur_town_ctr,           SLE_FILE_U8  | SLE_VAR_U32,  0, 9),
+	SLEG_CONDVAR(_cur_town_ctr,           SLE_UINT32,                 10, SL_MAX_VERSION),
+	    SLEG_VAR(_cur_player_tick_index,  SLE_FILE_U8  | SLE_VAR_U32),
+	    SLEG_VAR(_next_competitor_start,  SLE_FILE_U16 | SLE_VAR_U32),
+	    SLEG_VAR(_trees_tick_ctr,         SLE_UINT8),
+	SLEG_CONDVAR(_pause,                  SLE_UINT8,                   4, SL_MAX_VERSION),
+	SLEG_CONDVAR(_cur_town_iter,          SLE_UINT32,                 11, SL_MAX_VERSION),
+	    SLEG_END()
+};
+
+// Save load date related variables as well as persistent tick counters
+// XXX: currently some unrelated stuff is just put here
+static void SaveLoad_DATE(void)
+{
+	SlGlobList(_date_desc);
+}
+
+
+static const SaveLoadGlobVarList _view_desc[] = {
+	SLEG_CONDVAR(_saved_scrollpos_x,    SLE_FILE_I16 | SLE_VAR_I32, 0, 5),
+	SLEG_CONDVAR(_saved_scrollpos_x,    SLE_INT32,                  6, SL_MAX_VERSION),
+	SLEG_CONDVAR(_saved_scrollpos_y,    SLE_FILE_I16 | SLE_VAR_I32, 0, 5),
+	SLEG_CONDVAR(_saved_scrollpos_y,    SLE_INT32,                  6, SL_MAX_VERSION),
+	    SLEG_VAR(_saved_scrollpos_zoom, SLE_UINT8),
+	    SLEG_END()
+};
+
+static void SaveLoad_VIEW(void)
+{
+	SlGlobList(_view_desc);
+}
+
+static uint32 _map_dim_x;
+static uint32 _map_dim_y;
+
+static const SaveLoadGlobVarList _map_dimensions[] = {
+	SLEG_CONDVAR(_map_dim_x, SLE_UINT32, 6, SL_MAX_VERSION),
+	SLEG_CONDVAR(_map_dim_y, SLE_UINT32, 6, SL_MAX_VERSION),
+	    SLEG_END()
+};
+
+static void Save_MAPS(void)
+{
+	_map_dim_x = MapSizeX();
+	_map_dim_y = MapSizeY();
+	SlGlobList(_map_dimensions);
+}
+
+static void Load_MAPS(void)
+{
+	SlGlobList(_map_dimensions);
+	AllocateMap(_map_dim_x, _map_dim_y);
+}
+
+static void Load_MAPT(void)
+{
+	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++].type_height = buf[j];
+	}
+}
+
+static void Save_MAPT(void)
+{
+	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++].type_height;
+		SlArray(buf, lengthof(buf), SLE_UINT8);
+	}
+}
+
+static void Load_MAP1(void)
+{
+	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++].m1 = buf[j];
+	}
+}
+
+static void Save_MAP1(void)
+{
+	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++].m1;
+		SlArray(buf, lengthof(buf), SLE_UINT8);
+	}
+}
+
+static void Load_MAP2(void)
+{
+	uint size = MapSize();
+	uint i;
+
+	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(void)
+{
+	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(void)
+{
+	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(void)
+{
+	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(void)
+{
+	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(void)
+{
+	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(void)
+{
+	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(void)
+{
+	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_MAPE(void)
+{
+	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++].extra = GB(buf[j], 0, 2);
+				_m[i++].extra = GB(buf[j], 2, 2);
+				_m[i++].extra = GB(buf[j], 4, 2);
+				_m[i++].extra = 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++].extra = buf[j];
+		}
+	}
+}
+
+static void Save_MAPE(void)
+{
+	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++].extra;
+		SlArray(buf, lengthof(buf), SLE_UINT8);
+	}
+}
+
+
+static void Save_CHTS(void)
+{
+	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(void)
+{
+	Cheat* cht = (Cheat*)&_cheats;
+	uint count = SlGetFieldLength() / 2;
+	uint i;
+
+	for (i = 0; i < count; i++) {
+		cht[i].been_used = SlReadByte();
+		cht[i].value     = SlReadByte();
+	}
+}
+
+
+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_MAPE,     Load_MAPE,     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}
+};