tron@2186: /* $Id$ */
tron@2186: 
rubidium@10455: /** @file oldloader.cpp Loading of old TTD(patch) savegames. */
glx@9505: 
truelight@0: #include "stdafx.h"
Darkvater@1891: #include "openttd.h"
tron@3558: #include "station_map.h"
truelight@0: #include "town.h"
truelight@0: #include "industry.h"
rubidium@9724: #include "player_func.h"
rubidium@9724: #include "player_base.h"
rubidium@9620: #include "aircraft.h"
rubidium@9620: #include "roadveh.h"
rubidium@9620: #include "ship.h"
rubidium@9620: #include "train.h"
rubidium@9837: #include "signs_base.h"
truelight@1322: #include "debug.h"
rubidium@10249: #include "depot_base.h"
rubidium@9628: #include "newgrf_config.h"
truelight@9429: #include "ai/ai.h"
rubidium@9723: #include "zoom_func.h"
rubidium@9723: #include "functions.h"
rubidium@9723: #include "date_func.h"
rubidium@9723: #include "vehicle_func.h"
rubidium@9723: #include "variables.h"
rubidium@10455: #include "saveload.h"
glx@10294: #include "strings_func.h"
glx@10294: #include "effectvehicle_base.h"
rubidium@9724: 
rubidium@9724: #include "table/strings.h"
truelight@0: 
truelight@1322: enum {
truelight@1322: 	HEADER_SIZE = 49,
truelight@1322: 	BUFFER_SIZE = 4096,
truelight@0: 
truelight@1322: 	OLD_MAP_SIZE = 256 * 256
truelight@1322: };
truelight@0: 
rubidium@6574: struct LoadgameState {
truelight@1322: 	FILE *file;
truelight@0: 
truelight@1322: 	uint chunk_size;
truelight@0: 
truelight@1322: 	bool decoding;
truelight@1322: 	byte decode_char;
truelight@0: 
truelight@1322: 	uint buffer_count;
truelight@1322: 	uint buffer_cur;
truelight@1322: 	byte buffer[BUFFER_SIZE];
truelight@0: 
truelight@1322: 	uint total_read;
truelight@1322: 	bool failed;
rubidium@6574: };
truelight@0: 
truelight@1322: /* OldChunk-Type */
rubidium@6574: enum OldChunkType {
Darkvater@3627: 	OC_SIMPLE    = 0,
Darkvater@3627: 	OC_NULL      = 1,
Darkvater@3627: 	OC_CHUNK     = 2,
Darkvater@3627: 	OC_ASSERT    = 3,
Darkvater@3627: 	/* 8 bytes allocated (256 max) */
truelight@1322: 
Darkvater@3627: 	OC_VAR_I8    = 1 << 8,
Darkvater@3627: 	OC_VAR_U8    = 2 << 8,
Darkvater@3627: 	OC_VAR_I16   = 3 << 8,
Darkvater@3627: 	OC_VAR_U16   = 4 << 8,
Darkvater@3627: 	OC_VAR_I32   = 5 << 8,
Darkvater@3627: 	OC_VAR_U32   = 6 << 8,
Darkvater@3627: 	OC_VAR_I64   = 7 << 8,
Darkvater@3627: 	/* 8 bytes allocated (256 max) */
truelight@1322: 
Darkvater@3627: 	OC_FILE_I8   = 1 << 16,
Darkvater@3627: 	OC_FILE_U8   = 2 << 16,
Darkvater@3627: 	OC_FILE_I16  = 3 << 16,
Darkvater@3627: 	OC_FILE_U16  = 4 << 16,
Darkvater@3627: 	OC_FILE_I32  = 5 << 16,
Darkvater@3627: 	OC_FILE_U32  = 6 << 16,
Darkvater@3627: 	/* 8 bytes allocated (256 max) */
truelight@1322: 
truelight@1322: 	OC_INT8      = OC_VAR_I8   | OC_FILE_I8,
truelight@1322: 	OC_UINT8     = OC_VAR_U8   | OC_FILE_U8,
truelight@1322: 	OC_INT16     = OC_VAR_I16  | OC_FILE_I16,
truelight@1322: 	OC_UINT16    = OC_VAR_U16  | OC_FILE_U16,
truelight@1322: 	OC_INT32     = OC_VAR_I32  | OC_FILE_I32,
truelight@1322: 	OC_UINT32    = OC_VAR_U32  | OC_FILE_U32,
truelight@1322: 
Darkvater@3627: 	OC_TILE      = OC_VAR_U32  | OC_FILE_U16,
Darkvater@3627: 
glx@10294: 	/**
glx@10294: 	 * Dereference the pointer once before writing to it,
glx@10294: 	 * so we do not have to use big static arrays.
glx@10294: 	 */
glx@10294: 	OC_DEREFERENCE_POINTER = 1 << 31,
glx@10294: 
Darkvater@3627: 	OC_END       = 0 ///< End of the whole chunk, all 32bits set to zero
rubidium@6574: };
Darkvater@3627: 
rubidium@5838: DECLARE_ENUM_AS_BIT_SET(OldChunkType);
rubidium@5838: 
Darkvater@3627: typedef bool OldChunkProc(LoadgameState *ls, int num);
Darkvater@3627: 
rubidium@6574: struct OldChunks {
Darkvater@3627: 	OldChunkType type;   ///< Type of field
Darkvater@3627: 	uint32 amount;       ///< Amount of fields
Darkvater@3627: 
Darkvater@3627: 	void *ptr;           ///< Pointer where to save the data (may only be set if offset is 0)
Darkvater@3627: 	uint offset;         ///< Offset from basepointer (may only be set if ptr is NULL)
Darkvater@3627: 	OldChunkProc *proc;  ///< Pointer to function that is called with OC_CHUNK
rubidium@6574: };
Darkvater@3627: 
truelight@1322: /* If it fails, check lines above.. */
truelight@1322: assert_compile(sizeof(TileIndex) == 4);
truelight@1322: 
rubidium@10455: extern SavegameType _savegame_type;
rubidium@10455: extern uint32 _ttdp_version;
rubidium@10455: 
truelight@1322: static uint32 _bump_assert_value;
truelight@1322: static bool   _read_ttdpatch_flags;
truelight@1322: 
rubidium@5838: static OldChunkType GetOldChunkType(OldChunkType type)     {return (OldChunkType)GB(type, 0, 8);}
rubidium@5838: static OldChunkType GetOldChunkVarType(OldChunkType type)  {return (OldChunkType)(GB(type, 8, 8) << 8);}
rubidium@5838: static OldChunkType GetOldChunkFileType(OldChunkType type) {return (OldChunkType)(GB(type, 16, 8) << 16);}
Darkvater@3627: 
Darkvater@3627: static inline byte CalcOldVarLen(OldChunkType type)
Darkvater@3627: {
Darkvater@3627: 	static const byte type_mem_size[] = {0, 1, 1, 2, 2, 4, 4, 8};
Darkvater@3627: 	byte length = GB(type, 8, 8);
Darkvater@3627: 	assert(length != 0 && length < lengthof(type_mem_size));
Darkvater@3627: 	return type_mem_size[length];
Darkvater@3627: }
Darkvater@3627: 
truelight@1322: /**
truelight@1322:  *
truelight@1322:  * Reads a byte from a file (do not call yourself, use ReadByte())
truelight@1322:  *
truelight@1322:  */
truelight@1322: static byte ReadByteFromFile(LoadgameState *ls)
truelight@0: {
truelight@1322: 	/* To avoid slow reads, we read BUFFER_SIZE of bytes per time
truelight@1322: 	and just return a byte per time */
truelight@1322: 	if (ls->buffer_cur >= ls->buffer_count) {
truelight@1322: 		/* Read some new bytes from the file */
truelight@4321: 		int count = (int)fread(ls->buffer, 1, BUFFER_SIZE, ls->file);
truelight@0: 
truelight@1322: 		/* We tried to read, but there is nothing in the file anymore.. */
truelight@1322: 		if (count == 0) {
Darkvater@5568: 			DEBUG(oldloader, 0, "Read past end of file, loading failed");
truelight@1322: 			ls->failed = true;
truelight@1322: 		}
truelight@1322: 
truelight@1322: 		ls->buffer_count = count;
truelight@1322: 		ls->buffer_cur   = 0;
truelight@0: 	}
truelight@0: 
truelight@1322: 	return ls->buffer[ls->buffer_cur++];
truelight@0: }
truelight@0: 
truelight@1322: /**
truelight@1322:  *
truelight@1322:  * Reads a byte from the buffer and decompress if needed
truelight@1322:  *
truelight@1322:  */
truelight@1322: static byte ReadByte(LoadgameState *ls)
truelight@0: {
truelight@1322: 	/* Old savegames have a nice compression algorithm (RLE)
truelight@1322: 	which means that we have a chunk, which starts with a length
truelight@1322: 	byte. If that byte is negative, we have to repeat the next byte
rubidium@9601: 	that many times ( + 1). Else, we need to read that amount of bytes.
truelight@1322: 	Works pretty good if you have many zero's behind eachother */
truelight@0: 
tron@2453: 	if (ls->chunk_size == 0) {
tron@2453: 		/* Read new chunk */
tron@2453: 		int8 new_byte = ReadByteFromFile(ls);
truelight@1322: 
tron@2453: 		if (new_byte < 0) {
tron@2453: 			/* Repeat next char for new_byte times */
tron@2453: 			ls->decoding    = true;
tron@2453: 			ls->decode_char = ReadByteFromFile(ls);
tron@2453: 			ls->chunk_size  = -new_byte + 1;
tron@2453: 		} else {
tron@2453: 			ls->decoding    = false;
tron@2453: 			ls->chunk_size  = new_byte + 1;
tron@2453: 		}
truelight@0: 	}
truelight@193: 
tron@2453: 	ls->total_read++;
tron@2453: 	ls->chunk_size--;
truelight@1322: 
tron@2453: 	return ls->decoding ? ls->decode_char : ReadByteFromFile(ls);
truelight@1322: }
truelight@1322: 
Darkvater@3627: static inline uint16 ReadUint16(LoadgameState *ls)
Darkvater@3627: {
Darkvater@3627: 	byte x = ReadByte(ls);
Darkvater@3627: 	return x | ReadByte(ls) << 8;
Darkvater@3627: }
Darkvater@3627: 
Darkvater@3627: static inline uint32 ReadUint32(LoadgameState *ls)
Darkvater@3627: {
Darkvater@3627: 	uint16 x = ReadUint16(ls);
Darkvater@3627: 	return x | ReadUint16(ls) << 16;
Darkvater@3627: }
Darkvater@3627: 
truelight@1322: /**
truelight@1322:  *
truelight@1322:  * Loads a chunk from the old savegame
truelight@1322:  *
truelight@1322:  */
truelight@1322: static bool LoadChunk(LoadgameState *ls, void *base, const OldChunks *chunks)
truelight@1322: {
truelight@1322: 	const OldChunks *chunk = chunks;
rubidium@5838: 	byte *base_ptr = (byte*)base;
truelight@1322: 
truelight@1322: 	while (chunk->type != OC_END) {
glx@10294: 		byte *ptr = (byte*)chunk->ptr;
glx@10294: 		if ((chunk->type & OC_DEREFERENCE_POINTER) != 0) ptr = *(byte**)ptr;
truelight@1322: 
glx@10294: 		for (uint i = 0; i < chunk->amount; i++) {
Darkvater@3626: 			if (ls->failed) return false;
truelight@1322: 
truelight@1322: 			/* Handle simple types */
Darkvater@3627: 			if (GetOldChunkType(chunk->type) != 0) {
Darkvater@3627: 				switch (GetOldChunkType(chunk->type)) {
Darkvater@3626: 					/* Just read the byte and forget about it */
Darkvater@3626: 					case OC_NULL: ReadByte(ls); break;
truelight@1322: 
truelight@1322: 					case OC_CHUNK:
truelight@1322: 						/* Call function, with 'i' as parameter to tell which item we
tron@2951: 						 * are going to read */
tron@2951: 						if (!chunk->proc(ls, i)) return false;
truelight@1322: 						break;
truelight@1322: 
truelight@1322: 					case OC_ASSERT:
Darkvater@5568: 						DEBUG(oldloader, 4, "Assert point: 0x%X / 0x%X", ls->total_read, chunk->offset + _bump_assert_value);
Darkvater@3626: 						if (ls->total_read != chunk->offset + _bump_assert_value) ls->failed = true;
Darkvater@3629: 					default: break;
truelight@1322: 				}
truelight@1322: 			} else {
truelight@9718: 				uint64 res = 0;
truelight@1322: 
Darkvater@3627: 				/* Reading from the file: bits 16 to 23 have the FILE type */
Darkvater@3627: 				switch (GetOldChunkFileType(chunk->type)) {
Darkvater@3627: 					case OC_FILE_I8:  res = (int8)ReadByte(ls); break;
Darkvater@3627: 					case OC_FILE_U8:  res = ReadByte(ls); break;
Darkvater@3627: 					case OC_FILE_I16: res = (int16)ReadUint16(ls); break;
Darkvater@3627: 					case OC_FILE_U16: res = ReadUint16(ls); break;
Darkvater@3627: 					case OC_FILE_I32: res = (int32)ReadUint32(ls); break;
Darkvater@3627: 					case OC_FILE_U32: res = ReadUint32(ls); break;
Darkvater@3627: 					default: NOT_REACHED();
truelight@1322: 				}
truelight@1322: 
truelight@1322: 				/* Sanity check */
truelight@1325: 				assert(base_ptr != NULL || chunk->ptr != NULL);
truelight@1322: 
Darkvater@3627: 				/* Writing to the var: bits 8 to 15 have the VAR type */
Darkvater@3627: 				if (chunk->ptr == NULL) ptr = base_ptr + chunk->offset;
truelight@1322: 
Darkvater@3627: 				/* Write the data */
Darkvater@3627: 				switch (GetOldChunkVarType(chunk->type)) {
Darkvater@3627: 					case OC_VAR_I8: *(int8  *)ptr = GB(res, 0, 8); break;
Darkvater@3627: 					case OC_VAR_U8: *(uint8 *)ptr = GB(res, 0, 8); break;
Darkvater@3627: 					case OC_VAR_I16:*(int16 *)ptr = GB(res, 0, 16); break;
Darkvater@3627: 					case OC_VAR_U16:*(uint16*)ptr = GB(res, 0, 16); break;
Darkvater@3627: 					case OC_VAR_I32:*(int32 *)ptr = res; break;
Darkvater@3627: 					case OC_VAR_U32:*(uint32*)ptr = res; break;
Darkvater@3627: 					case OC_VAR_I64:*(int64 *)ptr = res; break;
Darkvater@3627: 					default: NOT_REACHED();
Darkvater@3627: 				}
truelight@1322: 
Darkvater@3627: 				/* Increase pointer base for arrays when looping */
Darkvater@3627: 				if (chunk->amount > 1 && chunk->ptr != NULL) ptr += CalcOldVarLen(chunk->type);
truelight@1322: 			}
truelight@1322: 		}
truelight@1322: 
truelight@1322: 		chunk++;
truelight@1322: 	}
truelight@1322: 
truelight@1322: 	return true;
truelight@1322: }
truelight@1322: 
truelight@1322: /**
truelight@1322:  *
truelight@1322:  * Initialize some data before reading
truelight@1322:  *
truelight@1322:  */
truelight@1322: static void InitLoading(LoadgameState *ls)
truelight@1322: {
truelight@1322: 	ls->chunk_size   = 0;
truelight@1322: 	ls->total_read   = 0;
truelight@1322: 	ls->failed       = false;
truelight@1322: 
truelight@1322: 	ls->decoding     = false;
truelight@1322: 	ls->decode_char  = 0;
truelight@1322: 
truelight@1322: 	ls->buffer_cur   = 0;
truelight@1322: 	ls->buffer_count = 0;
truelight@1322: 	memset(ls->buffer, 0, BUFFER_SIZE);
truelight@1322: 
truelight@1322: 	_bump_assert_value = 0;
truelight@1322: 
rubidium@10455: 	_savegame_type   = SGT_TTD;
rubidium@10455: 	_ttdp_version    = 0;
rubidium@10455: 
truelight@1322: 	_read_ttdpatch_flags = false;
truelight@1322: }
truelight@1322: 
truelight@1322: 
truelight@1322: /*
truelight@1322:  * Begin -- Stuff to fix the savegames to be OpenTTD compatible
truelight@1322:  */
truelight@1322: 
truelight@1322: extern uint32 GetOldTownName(uint32 townnameparts, byte old_town_name_type);
truelight@1322: 
rubidium@6573: static void FixOldTowns()
truelight@1322: {
truelight@1322: 	Town *town;
truelight@1322: 
truelight@1322: 	/* Convert town-names if needed */
truelight@1322: 	FOR_ALL_TOWNS(town) {
rubidium@9723: 		if (IsInsideMM(town->townnametype, 0x20C1, 0x20C3)) {
glx@10776: 			town->townnametype = SPECSTR_TOWNNAME_ENGLISH + _settings_game.game_creation.town_name;
glx@10776: 			town->townnameparts = GetOldTownName(town->townnameparts, _settings_game.game_creation.town_name);
truelight@1322: 		}
truelight@193: 	}
truelight@0: }
truelight@0: 
rubidium@6573: static void FixOldStations()
truelight@0: {
truelight@1322: 	Station *st;
truelight@919: 
truelight@1322: 	FOR_ALL_STATIONS(st) {
truelight@1322: 		/* Check if we need to swap width and height for the station */
tron@3558: 		if (st->train_tile != 0 && GetRailStationAxis(st->train_tile) != AXIS_X) {
tron@5984: 			Swap(st->trainst_w, st->trainst_h);
darkvater@4: 		}
truelight@1024: 	}
truelight@1024: }
truelight@1024: 
rubidium@6573: static void FixOldVehicles()
truelight@0: {
truelight@1024: 	/* Check for shared orders, and link them correctly */
tron@2951: 	Vehicle* v;
truelight@1024: 
tron@2951: 	FOR_ALL_VEHICLES(v) {
Darkvater@3626: 		Vehicle *u;
truelight@1024: 
glx@9624: 		/* We haven't used this bit for stations for ages */
rubidium@9628: 		if (v->type == VEH_ROAD &&
rubidium@9628: 				v->u.road.state != RVSB_IN_DEPOT &&
rubidium@9628: 				v->u.road.state != RVSB_WORMHOLE) {
rubidium@9722: 			ClrBit(v->u.road.state, RVS_IS_STOPPING);
rubidium@9628: 		}
glx@9624: 
rubidium@9826: 		/* The subtype should be 0, but it sometimes isn't :( */
rubidium@9826: 		if (v->type == VEH_ROAD) v->subtype = 0;
rubidium@9826: 
rubidium@9826: 		/* Sometimes primary vehicles would have a nothing (invalid) order
rubidium@9826: 		 * or vehicles that could not have an order would still have a
rubidium@9826: 		 * (loading) order which causes assertions and the like later on.
rubidium@9826: 		 */
rubidium@9826: 		if (!IsPlayerBuildableVehicleType(v) ||
rubidium@9869: 				(v->IsPrimaryVehicle() && v->current_order.IsType(OT_NOTHING))) {
rubidium@9869: 			v->current_order.MakeDummy();
rubidium@9826: 		}
rubidium@9826: 
tron@2951: 		FOR_ALL_VEHICLES_FROM(u, v->index + 1) {
tron@2951: 			/* If a vehicle has the same orders, add the link to eachother
tron@2951: 			 * in both vehicles */
tron@2951: 			if (v->orders == u->orders) {
tron@2951: 				v->next_shared = u;
tron@2951: 				u->prev_shared = v;
tron@2951: 				break;
truelight@1024: 			}
truelight@1024: 		}
truelight@1024: 	}
truelight@0: }
truelight@0: 
truelight@1322: /*
truelight@1322:  * End -- Stuff to fix the savegames to be OpenTTD compatible
truelight@1322:  */
truelight@0: 
truelight@193: 
truelight@1322: /* Help:
truelight@1322:  *  - OCL_SVAR: load 'type' to offset 'offset' in a struct of type 'base', which must also
truelight@1322:  *       be given via base in LoadChunk() as real pointer
truelight@1322:  *  - OCL_VAR: load 'type' to a global var
truelight@1322:  *  - OCL_END: every struct must end with this
truelight@1322:  *  - OCL_NULL: read 'amount' of bytes and send them to /dev/null or something
truelight@1322:  *  - OCL_CHUNK: load an other proc to load a part of the savegame, 'amount' times
truelight@1322:  *  - OCL_ASSERT: to check if we are really at the place we expect to be.. because old savegames are too binary to be sure ;)
truelight@1322:  */
KUDr@5922: #define OCL_SVAR(type, base, offset)         { type,          1, NULL,    (uint)cpp_offsetof(base, offset), NULL }
truelight@1322: #define OCL_VAR(type, amount, pointer)       { type,     amount, pointer, 0,                      NULL }
truelight@1322: #define OCL_END()                                   { OC_END,        0, NULL,    0,                      NULL }
truelight@1322: #define OCL_NULL(amount)                            { OC_NULL,  amount, NULL,    0,                      NULL }
truelight@1322: #define OCL_CHUNK(amount, proc)                     { OC_CHUNK, amount, NULL,    0,                      proc }
truelight@1322: #define OCL_ASSERT(size)                            { OC_ASSERT,     1, NULL, size,                      NULL }
truelight@0: 
truelight@1322: /* The savegames has some hard-coded pointers, because it always enters the same
truelight@1322:     piece of memory.. we don't.. so we need to remap ;)
truelight@1322:    Old Towns are 94 bytes big
truelight@1322:    Old Orders are 2 bytes big */
truelight@1322: #define REMAP_TOWN_IDX(x) ((x) - (0x0459154 - 0x0458EF0)) / 94
truelight@1322: #define REMAP_ORDER_IDX(x) ((x) - (0x045AB08 - 0x0458EF0)) / 2
truelight@0: 
truelight@9718: extern TileIndex *_animated_tile_list;
truelight@9718: extern uint _animated_tile_count;
glx@10294: extern char *_old_name_array;
truelight@0: 
Darkvater@3626: static byte   _old_vehicle_multiplier;
glx@10294: static uint8  *_old_map3;
truelight@1322: static uint32 _old_town_index;
truelight@1322: static uint16 _old_string_id;
truelight@1322: static uint16 _old_string_id_2;
Darkvater@6400: static uint16 _old_extra_chunk_nums;
truelight@1322: 
rubidium@6573: static void ReadTTDPatchFlags()
truelight@1322: {
tron@2951: 	if (_read_ttdpatch_flags) return;
truelight@1322: 
truelight@1322: 	_read_ttdpatch_flags = true;
truelight@1322: 
truelight@1322: 	/* TTDPatch misuses _old_map3 for flags.. read them! */
Darkvater@3626: 	_old_vehicle_multiplier = _old_map3[0];
truelight@1322: 	/* Somehow.... there was an error in some savegames, so 0 becomes 1
truelight@1322: 	and 1 becomes 2. The rest of the values are okay */
Darkvater@3626: 	if (_old_vehicle_multiplier < 2) _old_vehicle_multiplier++;
truelight@1322: 
Darkvater@6342: 	/* TTDPatch increases the Vehicle-part in the middle of the game,
truelight@1322: 	so if the multipler is anything else but 1, the assert fails..
truelight@1322: 	bump the assert value so it doesn't!
truelight@1322: 	(1 multipler == 850 vehicles
truelight@1322: 	1 vehicle   == 128 bytes */
Darkvater@3626: 	_bump_assert_value = (_old_vehicle_multiplier - 1) * 850 * 128;
truelight@1322: 
rubidium@10455: 	for (uint i = 0; i < 17; i++) { // check tile 0, too
rubidium@10455: 		if (_old_map3[i] != 0) _savegame_type = SGT_TTDP1;
rubidium@10455: 	}
rubidium@10455: 
truelight@1326: 	/* Check if we have a modern TTDPatch savegame (has extra data all around) */
rubidium@10455: 	if (memcmp(&_old_map3[0x1FFFA], "TTDp", 4) == 0) _savegame_type = SGT_TTDP2;
truelight@1322: 
rubidium@10455: 	_old_extra_chunk_nums = _old_map3[_savegame_type == SGT_TTDP2 ? 0x1FFFE : 0x2];
Darkvater@6400: 
truelight@1322: 	/* Clean the misused places */
rubidium@10455: 	for (uint i = 0;       i < 17;      i++) _old_map3[i] = 0;
rubidium@10455: 	for (uint i = 0x1FE00; i < 0x20000; i++) _old_map3[i] = 0;
truelight@1322: 
rubidium@10455: 	if (_savegame_type == SGT_TTDP2) DEBUG(oldloader, 2, "Found TTDPatch game");
truelight@1322: 
Darkvater@6342: 	DEBUG(oldloader, 3, "Vehicle-multiplier is set to %d (%d vehicles)", _old_vehicle_multiplier, _old_vehicle_multiplier * 850);
truelight@0: }
truelight@0: 
truelight@1322: static const OldChunks town_chunk[] = {
truelight@1322: 	OCL_SVAR(   OC_TILE, Town, xy ),
rubidium@9826: 	OCL_NULL( 2 ),         ///< population,        no longer in use
truelight@1322: 	OCL_SVAR( OC_UINT16, Town, townnametype ),
truelight@1322: 	OCL_SVAR( OC_UINT32, Town, townnameparts ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Town, grow_counter ),
glx@9505: 	OCL_NULL( 1 ),         ///< sort_index,        no longer in use
glx@9505: 	OCL_NULL( 4 ),         ///< sign-coordinates,  no longer in use
glx@9505: 	OCL_NULL( 2 ),         ///< namewidth,         no longer in use
truelight@1322: 	OCL_SVAR( OC_UINT16, Town, flags12 ),
glx@9505: 	OCL_NULL( 10 ),        ///< radius,            no longer in use
truelight@988: 
truelight@1322: 	OCL_SVAR( OC_UINT16, Town, ratings[0] ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Town, ratings[1] ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Town, ratings[2] ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Town, ratings[3] ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Town, ratings[4] ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Town, ratings[5] ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Town, ratings[6] ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Town, ratings[7] ),
truelight@0: 
truelight@1322: 	/* XXX - This is pretty odd.. we read 32bit, but only write 8bit.. sure there is
rubidium@9601: 	nothing changed ? ? */
truelight@1322: 	OCL_SVAR( OC_FILE_U32 | OC_VAR_U8, Town, have_ratings ),
truelight@1322: 	OCL_SVAR( OC_FILE_U32 | OC_VAR_U8, Town, statues ),
rubidium@9826: 	OCL_NULL( 2 ),         ///< num_houses,        no longer in use
truelight@1322: 	OCL_SVAR(  OC_UINT8, Town, time_until_rebuild ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Town, growth_rate ),
truelight@1322: 
truelight@1322: 	OCL_SVAR( OC_UINT16, Town, new_max_pass ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Town, new_max_mail ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Town, new_act_pass ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Town, new_act_mail ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Town, max_pass ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Town, max_mail ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Town, act_pass ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Town, act_mail ),
truelight@1322: 
truelight@1322: 	OCL_SVAR(  OC_UINT8, Town, pct_pass_transported ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Town, pct_mail_transported ),
truelight@1322: 
truelight@1322: 	OCL_SVAR( OC_UINT16, Town, new_act_food ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Town, new_act_water ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Town, act_food ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Town, act_water ),
truelight@1322: 
truelight@1322: 	OCL_SVAR(  OC_UINT8, Town, road_build_months ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Town, fund_buildings_months ),
truelight@1322: 
glx@9505: 	OCL_NULL( 8 ),         ///< some junk at the end of the record
truelight@1322: 
truelight@1322: 	OCL_END()
truelight@1322: };
truelight@1322: static bool LoadOldTown(LoadgameState *ls, int num)
truelight@1322: {
rubidium@9694: 	return LoadChunk(ls, new (num) Town(), town_chunk);
truelight@0: }
truelight@0: 
truelight@1322: static uint16 _old_order;
truelight@1322: static const OldChunks order_chunk[] = {
truelight@1322: 	OCL_VAR ( OC_UINT16,   1, &_old_order ),
truelight@1322: 	OCL_END()
truelight@1322: };
Darkvater@3626: 
truelight@1322: static bool LoadOldOrder(LoadgameState *ls, int num)
truelight@0: {
Darkvater@3626: 	if (!LoadChunk(ls, NULL, order_chunk)) return false;
truelight@1322: 
rubidium@9869: 	new (num) Order(UnpackOldOrder(_old_order));
truelight@1322: 
truelight@1322: 	/* Relink the orders to eachother (in TTD(Patch) the orders for one
bjarni@6589: 	vehicle are behind eachother, with an invalid order (OT_NOTHING) as indication that
truelight@1322: 	it is the last order */
bjarni@6589: 	if (num > 0 && GetOrder(num)->IsValid())
truelight@1322: 		GetOrder(num - 1)->next = GetOrder(num);
truelight@1322: 
truelight@1322: 	return true;
truelight@0: }
truelight@0: 
truelight@9718: static bool LoadOldAnimTileList(LoadgameState *ls, int num)
truelight@9718: {
truelight@9718: 	/* This is sligthly hackish - we must load a chunk into an array whose
truelight@9718: 	 * address isn't static, but instead pointed to by _animated_tile_list.
truelight@9718: 	 * To achieve that, create an OldChunks list on the stack on the fly.
truelight@9718: 	 * The list cannot be static because the value of _animated_tile_list
truelight@9718: 	 * can change between calls. */
truelight@9718: 
truelight@9718: 	const OldChunks anim_chunk[] = {
truelight@9718: 		OCL_VAR (   OC_TILE, 256, _animated_tile_list ),
truelight@9718: 		OCL_END ()
truelight@9718: 	};
truelight@9718: 
truelight@9718: 	if (!LoadChunk(ls, NULL, anim_chunk)) return false;
truelight@9718: 
truelight@9718: 	/* Update the animated tile counter by counting till the first zero in the array */
truelight@9718: 	for (_animated_tile_count = 0; _animated_tile_count < 256; _animated_tile_count++) {
truelight@9718: 		if (_animated_tile_list[_animated_tile_count] == 0) break;
truelight@9718: 	}
truelight@9718: 
truelight@9718: 	return true;
truelight@9718: }
truelight@9718: 
truelight@1322: static const OldChunks depot_chunk[] = {
truelight@1322: 	OCL_SVAR(   OC_TILE, Depot, xy ),
truelight@1322: 	OCL_VAR ( OC_UINT32,   1, &_old_town_index ),
truelight@1322: 	OCL_END()
truelight@1322: };
Darkvater@3626: 
truelight@1322: static bool LoadOldDepot(LoadgameState *ls, int num)
darkvater@436: {
rubidium@9694: 	if (!LoadChunk(ls, new (num) Depot(), depot_chunk)) return false;
darkvater@436: 
rubidium@9694: 	if (IsValidDepotID(num)) {
truelight@1322: 		GetDepot(num)->town_index = REMAP_TOWN_IDX(_old_town_index);
darkvater@436: 	}
darkvater@436: 
truelight@1322: 	return true;
truelight@1322: }
darkvater@436: 
truelight@1322: static int32 _old_price;
truelight@1322: static uint16 _old_price_frac;
truelight@1322: static const OldChunks price_chunk[] = {
truelight@1322: 	OCL_VAR (  OC_INT32,   1, &_old_price ),
truelight@1322: 	OCL_VAR ( OC_UINT16,   1, &_old_price_frac ),
truelight@1322: 	OCL_END()
truelight@1322: };
Darkvater@3626: 
truelight@1322: static bool LoadOldPrice(LoadgameState *ls, int num)
truelight@1322: {
Darkvater@3626: 	if (!LoadChunk(ls, NULL, price_chunk)) return false;
darkvater@436: 
truelight@1322: 	/* We use a struct to store the prices, but they are ints in a row..
truelight@1322: 	so just access the struct as an array of int32's */
glx@9629: 	((Money*)&_price)[num] = _old_price;
truelight@1322: 	_price_frac[num] = _old_price_frac;
darkvater@436: 
truelight@1322: 	return true;
truelight@1322: }
darkvater@436: 
truelight@1322: static const OldChunks cargo_payment_rate_chunk[] = {
truelight@1322: 	OCL_VAR (  OC_INT32,   1, &_old_price ),
truelight@1322: 	OCL_VAR ( OC_UINT16,   1, &_old_price_frac ),
truelight@1322: 
glx@9505: 	OCL_NULL( 2 ),         ///< Junk
truelight@1322: 	OCL_END()
truelight@1322: };
Darkvater@3626: 
truelight@1322: static bool LoadOldCargoPaymentRate(LoadgameState *ls, int num)
truelight@1322: {
Darkvater@3626: 	if (!LoadChunk(ls, NULL, cargo_payment_rate_chunk)) return false;
truelight@1322: 
truelight@1322: 	_cargo_payment_rates[num] = -_old_price;
truelight@1322: 	_cargo_payment_rates_frac[num] = _old_price_frac;
truelight@1322: 
truelight@1322: 	return true;
truelight@1322: }
truelight@1322: 
glx@9629: static uint8  _old_platforms;
glx@9629: static uint   _current_station_id;
glx@9629: static uint16 _waiting_acceptance;
glx@9629: static uint8  _cargo_source;
glx@9629: static uint8  _cargo_days;
truelight@1322: 
truelight@1322: static const OldChunks goods_chunk[] = {
glx@9629: 	OCL_VAR ( OC_UINT16, 1,          &_waiting_acceptance ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, GoodsEntry, days_since_pickup ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, GoodsEntry, rating ),
glx@9629: 	OCL_VAR (  OC_UINT8, 1,          &_cargo_source ),
glx@9629: 	OCL_VAR (  OC_UINT8, 1,          &_cargo_days ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, GoodsEntry, last_speed ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, GoodsEntry, last_age ),
truelight@1322: 
truelight@1322: 	OCL_END()
truelight@1322: };
Darkvater@3626: 
truelight@1322: static bool LoadOldGood(LoadgameState *ls, int num)
truelight@1322: {
truelight@1322: 	Station *st = GetStation(_current_station_id);
glx@9629: 	GoodsEntry *ge = &st->goods[num];
glx@9629: 	bool ret = LoadChunk(ls, ge, goods_chunk);
rubidium@9701: 	if (!ret) return false;
rubidium@9701: 
rubidium@9722: 	SB(ge->acceptance_pickup, GoodsEntry::ACCEPTANCE, 1, HasBit(_waiting_acceptance, 15));
rubidium@9701: 	SB(ge->acceptance_pickup, GoodsEntry::PICKUP, 1, _cargo_source != 0xFF);
rubidium@9701: 	if (GB(_waiting_acceptance, 0, 12) != 0) {
glx@9629: 		CargoPacket *cp = new CargoPacket();
glx@9629: 		cp->source          = (_cargo_source == 0xFF) ? INVALID_STATION : _cargo_source;
glx@9629: 		cp->count           = GB(_waiting_acceptance, 0, 12);
glx@9629: 		cp->days_in_transit = _cargo_days;
glx@9629: 		ge->cargo.Append(cp);
glx@9629: 	}
glx@9629: 	return ret;
truelight@1322: }
truelight@1322: 
truelight@1322: static const OldChunks station_chunk[] = {
truelight@1322: 	OCL_SVAR(   OC_TILE, Station, xy ),
truelight@1322: 	OCL_VAR ( OC_UINT32,   1, &_old_town_index ),
truelight@1322: 
glx@9505: 	OCL_NULL( 4 ), ///< bus/lorry tile
truelight@1322: 	OCL_SVAR(   OC_TILE, Station, train_tile ),
truelight@1322: 	OCL_SVAR(   OC_TILE, Station, airport_tile ),
truelight@1322: 	OCL_SVAR(   OC_TILE, Station, dock_tile ),
truelight@1322: 
truelight@1322: 	OCL_VAR (  OC_UINT8,   1, &_old_platforms ),
truelight@1322: 
glx@9505: 	OCL_NULL( 1 ),         ///< sort-index, no longer in use
glx@9505: 	OCL_NULL( 2 ),         ///< sign-width, no longer in use
truelight@1322: 
truelight@1322: 	OCL_VAR ( OC_UINT16,   1, &_old_string_id ),
truelight@1322: 
glx@9505: 	OCL_NULL( 4 ),         ///< sign left/top, no longer in use
truelight@1322: 
truelight@1322: 	OCL_SVAR( OC_UINT16, Station, had_vehicle_of_type ),
truelight@1322: 
truelight@1322: 	OCL_CHUNK( 12, LoadOldGood ),
truelight@1322: 
truelight@1322: 	OCL_SVAR(  OC_UINT8, Station, time_since_load ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Station, time_since_unload ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Station, delete_ctr ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Station, owner ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Station, facilities ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Station, airport_type ),
tron@6128: 	/* Bus/truck status, no longer in use
tron@6128: 	 * Blocked months
tron@6128: 	 * Unknown
tron@6128: 	 */
tron@6128: 	OCL_NULL( 4 ),
truelight@1322: 	OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Station, airport_flags ),
glx@9505: 	OCL_NULL( 2 ),         ///< last_vehicle. now last_vehicle_type
truelight@1322: 
glx@9505: 	OCL_NULL( 4 ),         ///< Junk at end of chunk
truelight@1322: 
truelight@1322: 	OCL_END()
truelight@1322: };
truelight@1322: static bool LoadOldStation(LoadgameState *ls, int num)
truelight@1322: {
glx@9624: 	Station *st = new (num) Station();
truelight@1322: 	_current_station_id = num;
truelight@1322: 
truelight@1322: 	if (!LoadChunk(ls, st, station_chunk))
truelight@1322: 		return false;
truelight@1322: 
celestar@6322: 	if (st->IsValid()) {
truelight@1322: 		if (st->train_tile) {
truelight@1322: 			/* Calculate the trainst_w and trainst_h */
tron@2140: 			uint w = GB(_old_platforms, 3, 3);
tron@2140: 			uint h = GB(_old_platforms, 0, 3);
truelight@1322: 			st->trainst_w = w;
truelight@1322: 			st->trainst_h = h;
darkvater@436: 		}
darkvater@436: 
truelight@1322: 		st->town    = GetTown(REMAP_TOWN_IDX(_old_town_index));
truelight@1322: 		st->string_id = RemapOldStringID(_old_string_id);
darkvater@436: 	}
darkvater@436: 
truelight@1322: 	return true;
truelight@1322: }
darkvater@436: 
truelight@1322: static const OldChunks industry_chunk[] = {
truelight@1322: 	OCL_SVAR(   OC_TILE, Industry, xy ),
truelight@1322: 	OCL_VAR ( OC_UINT32,   1, &_old_town_index ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Industry, width ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Industry, height ),
glx@9624: 	OCL_NULL( 2 ),  ///< used to be industry's produced_cargo
darkvater@436: 
rubidium@9631: 	OCL_SVAR( OC_UINT16, Industry, produced_cargo_waiting[0] ),
rubidium@9631: 	OCL_SVAR( OC_UINT16, Industry, produced_cargo_waiting[1] ),
darkvater@436: 
truelight@1322: 	OCL_SVAR(  OC_UINT8, Industry, production_rate[0] ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Industry, production_rate[1] ),
truelight@1322: 
glx@9624: 	OCL_NULL( 3 ),  ///< used to be industry's accepts_cargo
truelight@1322: 
truelight@1322: 	OCL_SVAR(  OC_UINT8, Industry, prod_level ),
truelight@1322: 
glx@9626: 	OCL_SVAR( OC_UINT16, Industry, this_month_production[0] ),
glx@9626: 	OCL_SVAR( OC_UINT16, Industry, this_month_production[1] ),
glx@9626: 	OCL_SVAR( OC_UINT16, Industry, this_month_transported[0] ),
glx@9626: 	OCL_SVAR( OC_UINT16, Industry, this_month_transported[1] ),
truelight@1322: 
glx@9626: 	OCL_SVAR(  OC_UINT8, Industry, last_month_pct_transported[0] ),
glx@9626: 	OCL_SVAR(  OC_UINT8, Industry, last_month_pct_transported[1] ),
truelight@1322: 
glx@9626: 	OCL_SVAR( OC_UINT16, Industry, last_month_production[0] ),
glx@9626: 	OCL_SVAR( OC_UINT16, Industry, last_month_production[1] ),
glx@9626: 	OCL_SVAR( OC_UINT16, Industry, last_month_transported[0] ),
glx@9626: 	OCL_SVAR( OC_UINT16, Industry, last_month_transported[1] ),
truelight@1322: 
truelight@1322: 	OCL_SVAR(  OC_UINT8, Industry, type ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Industry, owner ),
belugas@4942: 	OCL_SVAR(  OC_UINT8, Industry, random_color ),
rubidium@4326: 	OCL_SVAR( OC_FILE_U8 | OC_VAR_I32, Industry, last_prod_year ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Industry, counter ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Industry, was_cargo_delivered ),
truelight@1322: 
glx@9505: 	OCL_NULL( 9 ), ///< Random junk at the end of this chunk
truelight@1322: 
truelight@1322: 	OCL_END()
truelight@1322: };
Darkvater@3626: 
truelight@1322: static bool LoadOldIndustry(LoadgameState *ls, int num)
truelight@1322: {
rubidium@9694: 	Industry *i = new (num) Industry();
Darkvater@3626: 	if (!LoadChunk(ls, i, industry_chunk)) return false;
truelight@1322: 
rubidium@9694: 	if (i->IsValid()) {
truelight@1322: 		i->town = GetTown(REMAP_TOWN_IDX(_old_town_index));
truelight@9718: 		IncIndustryTypeCount(i->type);
darkvater@436: 	}
darkvater@436: 
truelight@1322: 	return true;
truelight@1322: }
darkvater@436: 
tron@2498: static PlayerID _current_player_id;
truelight@1322: static int32 _old_yearly;
truelight@1322: 
truelight@1322: static const OldChunks player_yearly_chunk[] = {
truelight@1322: 	OCL_VAR(  OC_INT32,   1, &_old_yearly ),
truelight@1322: 	OCL_END()
truelight@1322: };
Darkvater@3626: 
truelight@1322: static bool OldPlayerYearly(LoadgameState *ls, int num)
truelight@1322: {
truelight@1322: 	int i;
celestar@1962: 	Player *p = GetPlayer(_current_player_id);
truelight@1322: 
truelight@1322: 	for (i = 0; i < 13; i++) {
Darkvater@3626: 		if (!LoadChunk(ls, NULL, player_yearly_chunk)) return false;
truelight@1322: 
truelight@1322: 		p->yearly_expenses[num][i] = _old_yearly;
truelight@1322: 	}
truelight@1322: 
truelight@1322: 	return true;
darkvater@436: }
truelight@0: 
truelight@1322: static const OldChunks player_economy_chunk[] = {
truelight@9718: 	OCL_SVAR( OC_FILE_I32 | OC_VAR_I64, PlayerEconomyEntry, income ),
truelight@9718: 	OCL_SVAR( OC_FILE_I32 | OC_VAR_I64, PlayerEconomyEntry, expenses ),
truelight@1322: 	OCL_SVAR( OC_INT32, PlayerEconomyEntry, delivered_cargo ),
truelight@1322: 	OCL_SVAR( OC_INT32, PlayerEconomyEntry, performance_history ),
truelight@1322: 	OCL_SVAR( OC_FILE_I32 | OC_VAR_I64, PlayerEconomyEntry, company_value ),
truelight@1322: 
truelight@1322: 	OCL_END()
truelight@1322: };
Darkvater@3626: 
truelight@1322: static bool OldPlayerEconomy(LoadgameState *ls, int num)
truelight@0: {
truelight@1322: 	int i;
celestar@1962: 	Player *p = GetPlayer(_current_player_id);
truelight@1322: 
Darkvater@3626: 	if (!LoadChunk(ls, &p->cur_economy, player_economy_chunk)) return false;
truelight@1322: 
truelight@1322: 	/* Don't ask, but the number in TTD(Patch) are inversed to OpenTTD */
truelight@1322: 	p->cur_economy.income   = -p->cur_economy.income;
truelight@1322: 	p->cur_economy.expenses = -p->cur_economy.expenses;
truelight@1322: 
truelight@1322: 	for (i = 0; i < 24; i++) {
Darkvater@3626: 		if (!LoadChunk(ls, &p->old_economy[i], player_economy_chunk)) return false;
truelight@1322: 
truelight@1322: 		p->old_economy[i].income   = -p->old_economy[i].income;
truelight@1322: 		p->old_economy[i].expenses = -p->old_economy[i].expenses;
truelight@1322: 	}
truelight@1322: 
truelight@1322: 	return true;
truelight@1322: }
truelight@1322: 
truelight@1322: static const OldChunks player_chunk[] = {
truelight@1322: 	OCL_VAR ( OC_UINT16,   1, &_old_string_id ),
truelight@1322: 	OCL_SVAR( OC_UINT32, Player, name_2 ),
truelight@1322: 	OCL_SVAR( OC_UINT32, Player, face ),
truelight@1322: 	OCL_VAR ( OC_UINT16,   1, &_old_string_id_2 ),
truelight@1322: 	OCL_SVAR( OC_UINT32, Player, president_name_2 ),
truelight@1322: 
truelight@1322: 	OCL_SVAR(  OC_INT32, Player, player_money ),
truelight@1322: 	OCL_SVAR(  OC_INT32, Player, current_loan ),
truelight@1322: 
truelight@1322: 	OCL_SVAR(  OC_UINT8, Player, player_color ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Player, player_money_fraction ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Player, quarters_of_bankrupcy ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Player, bankrupt_asked ),
truelight@9718: 	OCL_SVAR( OC_FILE_U32 | OC_VAR_I64, Player, bankrupt_value ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Player, bankrupt_timeout ),
truelight@1322: 
glx@10294: 	OCL_SVAR( OC_UINT32, Player, cargo_types ),
truelight@1322: 
truelight@1322: 	OCL_CHUNK( 3, OldPlayerYearly ),
truelight@1322: 	OCL_CHUNK( 1, OldPlayerEconomy ),
truelight@1322: 
Darkvater@5865: 	OCL_SVAR( OC_FILE_U16 | OC_VAR_I32, Player, inaugurated_year),
Darkvater@5865: 	OCL_SVAR(                  OC_TILE, Player, last_build_coordinate ),
Darkvater@5865: 	OCL_SVAR(                 OC_UINT8, Player, num_valid_stat_ent ),
truelight@1322: 
truelight@9359: 	OCL_NULL( 230 ),         // Old AI
truelight@1322: 
truelight@1322: 	OCL_SVAR(  OC_UINT8, Player, block_preview ),
truelight@9359: 	OCL_NULL( 1 ),           // Old AI
celestar@2147: 	OCL_SVAR(  OC_UINT8, Player, avail_railtypes ),
truelight@1322: 	OCL_SVAR(   OC_TILE, Player, location_of_house ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Player, share_owners[0] ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Player, share_owners[1] ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Player, share_owners[2] ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Player, share_owners[3] ),
truelight@1322: 
glx@9505: 	OCL_NULL( 8 ), ///< junk at end of chunk
truelight@1322: 
truelight@1322: 	OCL_END()
truelight@1322: };
tron@2951: 
truelight@1322: static bool LoadOldPlayer(LoadgameState *ls, int num)
truelight@1322: {
rubidium@5838: 	Player *p = GetPlayer((PlayerID)num);
truelight@1322: 
rubidium@5838: 	_current_player_id = (PlayerID)num;
truelight@1322: 
Darkvater@3626: 	if (!LoadChunk(ls, p, player_chunk)) return false;
truelight@1322: 
truelight@1322: 	p->name_1 = RemapOldStringID(_old_string_id);
truelight@1322: 	p->president_name_1 = RemapOldStringID(_old_string_id_2);
glx@9629: 	p->player_money = p->player_money;
truelight@1322: 
truelight@1322: 	if (num == 0) {
truelight@1322: 		/* If the first player has no name, make sure we call it UNNAMED */
truelight@1322: 		if (p->name_1 == 0)
truelight@1322: 			p->name_1 = STR_SV_UNNAMED;
truelight@1322: 	} else {
truelight@1322: 		/* Beside some multiplayer maps (1 on 1), which we don't official support,
truelight@1322: 		all other players are an AI.. mark them as such */
Darkvater@3345: 		p->is_ai = true;
truelight@1322: 	}
truelight@1322: 
truelight@1322: 	/* Sometimes it is better to not ask.. in old scenarios, the money
truelight@1322: 	was always 893288 pounds. In the newer versions this is correct,
truelight@1322: 	but correct for those oldies
truelight@1322: 	Ps: this also means that if you had exact 893288 pounds, you will go back
truelight@1322: 	to 10000.. this is a very VERY small chance ;) */
truelight@1326: 	if (p->player_money == 893288)
glx@9629: 		p->player_money = p->current_loan = 100000;
truelight@1322: 
truelight@1322: 	_player_colors[num] = p->player_color;
Darkvater@5865: 	p->inaugurated_year -= ORIGINAL_BASE_YEAR;
truelight@1322: 	if (p->location_of_house == 0xFFFF)
truelight@1322: 		p->location_of_house = 0;
truelight@1322: 
glx@10740: 	p->is_ai = p->is_ai && AI_StartNewAI(p->index);
peter1138@2814: 
truelight@1322: 	return true;
truelight@1322: }
truelight@1322: 
truelight@1322: static uint32 _old_order_ptr;
truelight@1322: static uint16 _old_next_ptr;
truelight@1322: static uint32 _current_vehicle_id;
truelight@1322: 
truelight@1322: static const OldChunks vehicle_train_chunk[] = {
truelight@1322: 	OCL_SVAR(  OC_UINT8, VehicleRail, track ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, VehicleRail, force_proceed ),
truelight@1322: 	OCL_SVAR( OC_UINT16, VehicleRail, crash_anim_pos ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, VehicleRail, railtype ),
truelight@1322: 
glx@9505: 	OCL_NULL( 5 ), ///< Junk
truelight@1322: 
truelight@1322: 	OCL_END()
truelight@1322: };
Darkvater@3626: 
truelight@1322: static const OldChunks vehicle_road_chunk[] = {
truelight@1322: 	OCL_SVAR(  OC_UINT8, VehicleRoad, state ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, VehicleRoad, frame ),
peter1138@3009: 	OCL_SVAR( OC_UINT16, VehicleRoad, blocked_ctr ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, VehicleRoad, overtaking ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, VehicleRoad, overtaking_ctr ),
truelight@1322: 	OCL_SVAR( OC_UINT16, VehicleRoad, crashed_ctr ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, VehicleRoad, reverse_ctr ),
truelight@1322: 
glx@9505: 	OCL_NULL( 1 ), ///< Junk
truelight@1322: 
truelight@1322: 	OCL_END()
truelight@1322: };
Darkvater@3626: 
truelight@1322: static const OldChunks vehicle_ship_chunk[] = {
truelight@1322: 	OCL_SVAR(  OC_UINT8, VehicleShip, state ),
truelight@1322: 
glx@9505: 	OCL_NULL( 9 ), ///< Junk
truelight@1322: 
truelight@1322: 	OCL_END()
truelight@1322: };
Darkvater@3626: 
truelight@1322: static const OldChunks vehicle_air_chunk[] = {
truelight@1322: 	OCL_SVAR(  OC_UINT8, VehicleAir, pos ),
truelight@1322: 	OCL_SVAR(  OC_FILE_U8 | OC_VAR_U16, VehicleAir, targetairport ),
truelight@1322: 	OCL_SVAR( OC_UINT16, VehicleAir, crashed_counter ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, VehicleAir, state ),
truelight@1322: 
glx@9505: 	OCL_NULL( 5 ), ///< Junk
truelight@1322: 
truelight@1322: 	OCL_END()
truelight@1322: };
Darkvater@3626: 
glx@10294: static const OldChunks vehicle_effect_chunk[] = {
glx@10294: 	OCL_SVAR( OC_UINT16, VehicleEffect, animation_state ),
glx@10294: 	OCL_SVAR(  OC_UINT8, VehicleEffect, animation_substate ),
truelight@1322: 
truelight@1322: 	OCL_NULL( 7 ), // Junk
truelight@1322: 
truelight@1322: 	OCL_END()
truelight@1322: };
Darkvater@3626: 
truelight@1322: static const OldChunks vehicle_disaster_chunk[] = {
truelight@1322: 	OCL_SVAR( OC_UINT16, VehicleDisaster, image_override ),
rubidium@9694: 	OCL_SVAR( OC_UINT16, VehicleDisaster, big_ufo_destroyer_target ),
truelight@1322: 
glx@9505: 	OCL_NULL( 6 ), ///< Junk
truelight@1322: 
truelight@1322: 	OCL_END()
truelight@1322: };
Darkvater@3626: 
truelight@1322: static const OldChunks vehicle_empty_chunk[] = {
glx@9505: 	OCL_NULL( 10 ), ///< Junk
truelight@1322: 
truelight@1322: 	OCL_END()
truelight@1322: };
Darkvater@3626: 
truelight@1322: static bool LoadOldVehicleUnion(LoadgameState *ls, int num)
truelight@1322: {
truelight@1322: 	Vehicle *v = GetVehicle(_current_vehicle_id);
truelight@1322: 	uint temp = ls->total_read;
truelight@1322: 	bool res;
truelight@1322: 
truelight@1322: 	switch (v->type) {
Darkvater@6340: 		default: NOT_REACHED();
rubidium@9826: 		case VEH_INVALID : res = LoadChunk(ls, NULL,           vehicle_empty_chunk);    break;
rubidium@9826: 		case VEH_TRAIN   : res = LoadChunk(ls, &v->u.rail,     vehicle_train_chunk);    break;
rubidium@9826: 		case VEH_ROAD    : res = LoadChunk(ls, &v->u.road,     vehicle_road_chunk);     break;
rubidium@9826: 		case VEH_SHIP    : res = LoadChunk(ls, &v->u.ship,     vehicle_ship_chunk);     break;
rubidium@9826: 		case VEH_AIRCRAFT: res = LoadChunk(ls, &v->u.air,      vehicle_air_chunk);      break;
glx@10294: 		case VEH_EFFECT  : res = LoadChunk(ls, &v->u.effect,   vehicle_effect_chunk);   break;
rubidium@9826: 		case VEH_DISASTER: res = LoadChunk(ls, &v->u.disaster, vehicle_disaster_chunk); break;
truelight@1322: 	}
truelight@1322: 
truelight@1322: 	/* This chunk size should always be 10 bytes */
truelight@1322: 	if (ls->total_read - temp != 10) {
Darkvater@6342: 		DEBUG(oldloader, 0, "Assert failed in VehicleUnion: invalid chunk size");
truelight@1322: 		return false;
truelight@1322: 	}
truelight@1322: 
truelight@1322: 	return res;
truelight@1322: }
truelight@1322: 
glx@9629: static uint16 _cargo_count;
glx@9629: 
truelight@1322: static const OldChunks vehicle_chunk[] = {
truelight@1322: 	OCL_SVAR(  OC_UINT8, Vehicle, subtype ),
truelight@1322: 
glx@9505: 	OCL_NULL( 2 ),         ///< Hash, calculated automatically
glx@9505: 	OCL_NULL( 2 ),         ///< Index, calculated automatically
truelight@1322: 
truelight@1322: 	OCL_VAR ( OC_UINT32,   1, &_old_order_ptr ),
truelight@1322: 	OCL_VAR ( OC_UINT16,   1, &_old_order ),
truelight@1322: 
truelight@1322: 	OCL_SVAR(  OC_UINT8, Vehicle, num_orders ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Vehicle, cur_order_index ),
truelight@1322: 	OCL_SVAR(   OC_TILE, Vehicle, dest_tile ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Vehicle, load_unload_time_rem ),
rubidium@4326: 	OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Vehicle, date_of_last_service ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Vehicle, service_interval ),
truelight@1322: 	OCL_SVAR( OC_FILE_U8 | OC_VAR_U16, Vehicle, last_station_visited ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Vehicle, tick_counter ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Vehicle, max_speed ),
truelight@1322: 
truelight@1322: 	OCL_SVAR( OC_FILE_U16 | OC_VAR_I32, Vehicle, x_pos ),
truelight@1322: 	OCL_SVAR( OC_FILE_U16 | OC_VAR_I32, Vehicle, y_pos ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Vehicle, z_pos ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Vehicle, direction ),
rubidium@9620: 	OCL_NULL( 2 ),         ///< x_offs and y_offs, calculated automatically
rubidium@9869: 	OCL_NULL( 2 ),         ///< x_extent and y_extent, calculated automatically
rubidium@9869: 	OCL_NULL( 1 ),         ///< z_extent, calculated automatically
truelight@1322: 
truelight@1322: 	OCL_SVAR(  OC_UINT8, Vehicle, owner ),
truelight@1322: 	OCL_SVAR(   OC_TILE, Vehicle, tile ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Vehicle, cur_image ),
truelight@1322: 
glx@9505: 	OCL_NULL( 8 ),        ///< Vehicle sprite box, calculated automatically
truelight@1322: 
truelight@1322: 	OCL_SVAR( OC_FILE_U16 | OC_VAR_U8, Vehicle, vehstatus ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Vehicle, cur_speed ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Vehicle, subspeed ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Vehicle, acceleration ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Vehicle, progress ),
truelight@1322: 
truelight@1322: 	OCL_SVAR(  OC_UINT8, Vehicle, cargo_type ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Vehicle, cargo_cap ),
glx@9629: 	OCL_VAR ( OC_UINT16, 1,       &_cargo_count ),
glx@9629: 	OCL_VAR (  OC_UINT8, 1,       &_cargo_source ),
glx@9629: 	OCL_VAR (  OC_UINT8, 1,       &_cargo_days ),
truelight@1322: 
rubidium@4326: 	OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Vehicle, age ),
rubidium@4326: 	OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Vehicle, max_age ),
rubidium@4326: 	OCL_SVAR( OC_FILE_U8 | OC_VAR_I32, Vehicle, build_year ),
truelight@1322: 	OCL_SVAR( OC_FILE_U8 | OC_VAR_U16, Vehicle, unitnumber ),
truelight@1322: 
truelight@1322: 	OCL_SVAR( OC_UINT16, Vehicle, engine_type ),
truelight@1322: 
truelight@1322: 	OCL_SVAR(  OC_UINT8, Vehicle, spritenum ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Vehicle, day_counter ),
truelight@1322: 
truelight@1322: 	OCL_SVAR(  OC_UINT8, Vehicle, breakdowns_since_last_service ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Vehicle, breakdown_ctr ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Vehicle, breakdown_delay ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Vehicle, breakdown_chance ),
truelight@1322: 
truelight@1322: 	OCL_SVAR( OC_UINT16, Vehicle, reliability ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Vehicle, reliability_spd_dec ),
truelight@1322: 
truelight@9718: 	OCL_SVAR( OC_FILE_I32 | OC_VAR_I64, Vehicle, profit_this_year ),
truelight@9718: 	OCL_SVAR( OC_FILE_I32 | OC_VAR_I64, Vehicle, profit_last_year ),
truelight@1322: 
truelight@1322: 	OCL_VAR ( OC_UINT16,   1, &_old_next_ptr ),
truelight@1322: 
truelight@1322: 	OCL_SVAR( OC_UINT32, Vehicle, value ),
truelight@1322: 
truelight@1322: 	OCL_VAR ( OC_UINT16,   1, &_old_string_id ),
truelight@1322: 
truelight@1322: 	OCL_CHUNK( 1, LoadOldVehicleUnion ),
truelight@1322: 
glx@9505: 	OCL_NULL( 20 ), ///< Junk at end of struct (TTDPatch has some data in it)
truelight@1322: 
truelight@1322: 	OCL_END()
truelight@1322: };
Darkvater@3626: 
rubidium@9703: bool LoadOldVehicle(LoadgameState *ls, int num)
truelight@1322: {
tron@959: 	uint i;
truelight@0: 
truelight@1322: 	/* Read the TTDPatch flags, because we need some info from it */
truelight@1322: 	ReadTTDPatchFlags();
truelight@0: 
Darkvater@3626: 	for (i = 0; i < _old_vehicle_multiplier; i++) {
Darkvater@3626: 		_current_vehicle_id = num * _old_vehicle_multiplier + i;
truelight@1322: 
rubidium@9826: 		/* Read the vehicle type and allocate the right vehicle */
rubidium@9826: 		Vehicle *v;
rubidium@9826: 		switch (ReadByte(ls)) {
rubidium@9826: 			default: NOT_REACHED();
rubidium@9826: 			case 0x00 /*VEH_INVALID */: v = new (_current_vehicle_id) InvalidVehicle();  break;
rubidium@9826: 			case 0x10 /*VEH_TRAIN   */: v = new (_current_vehicle_id) Train();           break;
rubidium@9826: 			case 0x11 /*VEH_ROAD    */: v = new (_current_vehicle_id) RoadVehicle();     break;
rubidium@9826: 			case 0x12 /*VEH_SHIP    */: v = new (_current_vehicle_id) Ship();            break;
rubidium@9826: 			case 0x13 /*VEH_AIRCRAFT*/: v = new (_current_vehicle_id) Aircraft();        break;
glx@10294: 			case 0x14 /*VEH_EFFECT  */: v = new (_current_vehicle_id) EffectVehicle();   break;
rubidium@9826: 			case 0x15 /*VEH_DISASTER*/: v = new (_current_vehicle_id) DisasterVehicle(); break;
rubidium@9826: 		}
Darkvater@3626: 		if (!LoadChunk(ls, v, vehicle_chunk)) return false;
truelight@1322: 
truelight@1340: 		/* This should be consistent, else we have a big problem... */
truelight@1340: 		if (v->index != _current_vehicle_id) {
Darkvater@5568: 			DEBUG(oldloader, 0, "Loading failed - vehicle-array is invalid");
truelight@1340: 			return false;
truelight@1340: 		}
truelight@1340: 
truelight@1322: 		if (_old_order_ptr != 0 && _old_order_ptr != 0xFFFFFFFF) {
rubidium@9826: 			uint old_id = REMAP_ORDER_IDX(_old_order_ptr);
rubidium@9826: 			/* There is a maximum of 5000 orders in old savegames, so *if*
rubidium@9826: 			 * we go over that limit something is very wrong. In that case
rubidium@9826: 			 * we just assume there are no orders for the vehicle.
rubidium@9826: 			 */
rubidium@9826: 			if (old_id < 5000) v->orders = GetOrder(old_id);
truelight@1322: 		}
rubidium@9869: 		v->current_order.AssignOrder(UnpackOldOrder(_old_order));
truelight@1322: 
truelight@1322: 		/* For some reason we need to correct for this */
truelight@1322: 		switch (v->spritenum) {
truelight@1322: 			case 0xfd: break;
truelight@1322: 			case 0xff: v->spritenum = 0xfe; break;
truelight@1322: 			default:   v->spritenum >>= 1; break;
truelight@1322: 		}
truelight@1322: 
truelight@9718: 		if (_old_next_ptr != 0xFFFF) v->next = GetVehiclePoolSize() <= _old_next_ptr ? new (_old_next_ptr) InvalidVehicle() : GetVehicle(_old_next_ptr);
truelight@1322: 
rubidium@9724: 		_old_string_id = RemapOldStringID(_old_string_id);
rubidium@9724: 		v->name = CopyFromOldName(_old_string_id);
truelight@1322: 
truelight@1322: 		/* Vehicle-subtype is different in TTD(Patch) */
glx@10294: 		if (v->type == VEH_EFFECT) v->subtype = v->subtype >> 1;
glx@9629: 
glx@9629: 		if (_cargo_count != 0) {
glx@9629: 			CargoPacket *cp = new CargoPacket((_cargo_source == 0xFF) ? INVALID_STATION : _cargo_source, _cargo_count);
glx@9629: 			cp->days_in_transit = _cargo_days;
glx@9629: 			v->cargo.Append(cp);
glx@9629: 		}
truelight@0: 	}
truelight@0: 
truelight@1322: 	return true;
truelight@1322: }
truelight@1322: 
truelight@1322: static const OldChunks sign_chunk[] = {
rubidium@9724: 	OCL_VAR ( OC_UINT16, 1, &_old_string_id ),
rubidium@9601: 	OCL_SVAR( OC_FILE_U16 | OC_VAR_I32, Sign, x ),
rubidium@9601: 	OCL_SVAR( OC_FILE_U16 | OC_VAR_I32, Sign, y ),
truelight@4349: 	OCL_SVAR( OC_FILE_U16 | OC_VAR_I8, Sign, z ),
truelight@1322: 
glx@9505: 	OCL_NULL( 6 ),         ///< Width of sign, no longer in use
truelight@1322: 
truelight@1322: 	OCL_END()
truelight@1322: };
Darkvater@3626: 
truelight@1322: static bool LoadOldSign(LoadgameState *ls, int num)
truelight@1322: {
rubidium@9724: 	Sign *si = new (num) Sign();
rubidium@9724: 	if (!LoadChunk(ls, si, sign_chunk)) return false;
rubidium@9724: 
rubidium@9724: 	_old_string_id = RemapOldStringID(_old_string_id);
rubidium@9724: 	si->name = CopyFromOldName(_old_string_id);
rubidium@9724: 
rubidium@9724: 	return true;
truelight@1322: }
truelight@1322: 
truelight@1322: static const OldChunks engine_chunk[] = {
truelight@1322: 	OCL_SVAR( OC_UINT16, Engine, player_avail ),
rubidium@4326: 	OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Engine, intro_date ),
rubidium@4326: 	OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, Engine, age ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Engine, reliability ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Engine, reliability_spd_dec ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Engine, reliability_start ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Engine, reliability_max ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Engine, reliability_final ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Engine, duration_phase_1 ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Engine, duration_phase_2 ),
truelight@1322: 	OCL_SVAR( OC_UINT16, Engine, duration_phase_3 ),
truelight@1322: 
truelight@1322: 	OCL_SVAR(  OC_UINT8, Engine, lifelength ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Engine, flags ),
glx@9732: 	OCL_SVAR(  OC_UINT8, Engine, preview_player_rank ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Engine, preview_wait ),
truelight@1322: 
glx@9505: 	OCL_NULL( 2 ), ///< Junk
truelight@1322: 
truelight@1322: 	OCL_END()
truelight@1322: };
Darkvater@3626: 
truelight@1322: static bool LoadOldEngine(LoadgameState *ls, int num)
truelight@1322: {
rubidium@10455: 	Engine *e = GetTempDataEngine(num);
rubidium@10455: 	if (!LoadChunk(ls, e, engine_chunk)) return false;
truelight@1322: 
truelight@1322: 	/* Make sure wagons are marked as do-not-age */
truelight@1322: 	if ((num >= 27 && num < 54) || (num >= 57 && num < 84) || (num >= 89 && num < 116))
rubidium@10455: 		e->age = 0xFFFF;
truelight@1322: 
truelight@1322: 	return true;
truelight@1322: }
truelight@1322: 
rubidium@9724: static bool LoadOldEngineName(LoadgameState *ls, int num)
rubidium@9724: {
rubidium@10455: 	Engine *e = GetTempDataEngine(num);
rubidium@9724: 	e->name = CopyFromOldName(RemapOldStringID(ReadUint16(ls)));
rubidium@9724: 	return true;
rubidium@9724: }
rubidium@9724: 
truelight@1322: static const OldChunks subsidy_chunk[] = {
truelight@1322: 	OCL_SVAR(  OC_UINT8, Subsidy, cargo_type ),
truelight@1322: 	OCL_SVAR(  OC_UINT8, Subsidy, age ),
truelight@1322: 	OCL_SVAR(  OC_FILE_U8 | OC_VAR_U16, Subsidy, from ),
truelight@1322: 	OCL_SVAR(  OC_FILE_U8 | OC_VAR_U16, Subsidy, to ),
truelight@1322: 
truelight@1322: 	OCL_END()
truelight@1322: };
Darkvater@3626: 
Darkvater@3626: static inline bool LoadOldSubsidy(LoadgameState *ls, int num)
truelight@1322: {
truelight@1322: 	return LoadChunk(ls, &_subsidies[num], subsidy_chunk);
truelight@1322: }
truelight@1322: 
truelight@1322: static const OldChunks game_difficulty_chunk[] = {
rubidium@10715: 	OCL_SVAR( OC_FILE_U16 |  OC_VAR_U8, DifficultySettings, max_no_competitors ),
rubidium@10715: 	OCL_SVAR( OC_FILE_U16 |  OC_VAR_U8, DifficultySettings, competitor_start_time ),
rubidium@10715: 	OCL_SVAR( OC_FILE_U16 |  OC_VAR_U8, DifficultySettings, number_towns ),
rubidium@10715: 	OCL_SVAR( OC_FILE_U16 |  OC_VAR_U8, DifficultySettings, number_industries ),
rubidium@10715: 	OCL_SVAR( OC_FILE_U16 | OC_VAR_U32, DifficultySettings, max_loan ),
rubidium@10715: 	OCL_SVAR( OC_FILE_U16 |  OC_VAR_U8, DifficultySettings, initial_interest ),
rubidium@10715: 	OCL_SVAR( OC_FILE_U16 |  OC_VAR_U8, DifficultySettings, vehicle_costs ),
rubidium@10715: 	OCL_SVAR( OC_FILE_U16 |  OC_VAR_U8, DifficultySettings, competitor_speed ),
rubidium@10715: 	OCL_SVAR( OC_FILE_U16 |  OC_VAR_U8, DifficultySettings, competitor_intelligence ),
rubidium@10715: 	OCL_SVAR( OC_FILE_U16 |  OC_VAR_U8, DifficultySettings, vehicle_breakdowns ),
rubidium@10715: 	OCL_SVAR( OC_FILE_U16 |  OC_VAR_U8, DifficultySettings, subsidy_multiplier ),
rubidium@10715: 	OCL_SVAR( OC_FILE_U16 |  OC_VAR_U8, DifficultySettings, construction_cost ),
rubidium@10715: 	OCL_SVAR( OC_FILE_U16 |  OC_VAR_U8, DifficultySettings, terrain_type ),
rubidium@10715: 	OCL_SVAR( OC_FILE_U16 |  OC_VAR_U8, DifficultySettings, quantity_sea_lakes ),
rubidium@10715: 	OCL_SVAR( OC_FILE_U16 |  OC_VAR_U8, DifficultySettings, economy ),
rubidium@10715: 	OCL_SVAR( OC_FILE_U16 |  OC_VAR_U8, DifficultySettings, line_reverse_mode ),
rubidium@10715: 	OCL_SVAR( OC_FILE_U16 |  OC_VAR_U8, DifficultySettings, disasters ),
truelight@1322: 	OCL_END()
truelight@1322: };
Darkvater@3626: 
Darkvater@3626: static inline bool LoadOldGameDifficulty(LoadgameState *ls, int num)
truelight@1322: {
glx@10776: 	bool ret = LoadChunk(ls, &_settings_game.difficulty, game_difficulty_chunk);
glx@10776: 	_settings_game.difficulty.max_loan *= 1000;
rubidium@10715: 	return ret;
truelight@1322: }
truelight@1322: 
truelight@1322: 
truelight@1322: static bool LoadOldMapPart1(LoadgameState *ls, int num)
truelight@1322: {
truelight@1322: 	uint i;
truelight@1322: 
truelight@1322: 	for (i = 0; i < OLD_MAP_SIZE; i++) {
tron@2360: 		_m[i].m1 = ReadByte(ls);
truelight@1322: 	}
truelight@1322: 	for (i = 0; i < OLD_MAP_SIZE; i++) {
tron@2049: 		_m[i].m2 = ReadByte(ls);
truelight@1322: 	}
truelight@1322: 	for (i = 0; i < OLD_MAP_SIZE; i++) {
truelight@1322: 		_old_map3[i * 2] = ReadByte(ls);
truelight@1322: 		_old_map3[i * 2 + 1] = ReadByte(ls);
truelight@1322: 	}
truelight@1322: 	for (i = 0; i < OLD_MAP_SIZE / 4; i++) {
tron@2049: 		byte b = ReadByte(ls);
belugas@5847: 		_m[i * 4 + 0].m6 = GB(b, 0, 2);
belugas@5847: 		_m[i * 4 + 1].m6 = GB(b, 2, 2);
belugas@5847: 		_m[i * 4 + 2].m6 = GB(b, 4, 2);
belugas@5847: 		_m[i * 4 + 3].m6 = GB(b, 6, 2);
truelight@1322: 	}
truelight@1322: 
truelight@1326: 	return !ls->failed;
truelight@1322: }
Darkvater@3626: 
truelight@1322: static bool LoadOldMapPart2(LoadgameState *ls, int num)
truelight@1322: {
truelight@1322: 	uint i;
truelight@1322: 
truelight@1322: 	for (i = 0; i < OLD_MAP_SIZE; i++) {
tron@2049: 		_m[i].type_height = ReadByte(ls);
truelight@1322: 	}
truelight@1322: 	for (i = 0; i < OLD_MAP_SIZE; i++) {
tron@2049: 		_m[i].m5 = ReadByte(ls);
truelight@1322: 	}
truelight@1322: 
truelight@1326: 	return !ls->failed;
truelight@1322: }
truelight@1322: 
Darkvater@6400: static bool LoadTTDPatchExtraChunks(LoadgameState *ls, int num)
Darkvater@6400: {
Darkvater@6400: 	ReadTTDPatchFlags();
Darkvater@6400: 
Darkvater@6400: 	DEBUG(oldloader, 2, "Found %d extra chunk(s)", _old_extra_chunk_nums);
Darkvater@6400: 
Darkvater@6400: 	for (int i = 0; i != _old_extra_chunk_nums; i++) {
Darkvater@6400: 		uint16 id = ReadUint16(ls);
Darkvater@6400: 		uint32 len = ReadUint32(ls);
Darkvater@6400: 
Darkvater@6400: 		switch (id) {
Darkvater@6411: 			/* List of GRFIDs, used in the savegame. 0x8004 is the new ID
Darkvater@6400: 			 * They are saved in a 'GRFID:4 active:1' format, 5 bytes for each entry */
Darkvater@6400: 			case 0x2:
Darkvater@6400: 			case 0x8004: {
Darkvater@6411: 				/* Skip the first element: TTDP hack for the Action D special variables (FFFF0000 01) */
Darkvater@6400: 				ReadUint32(ls); ReadByte(ls); len -= 5;
Darkvater@6400: 
Darkvater@6400: 				ClearGRFConfigList(&_grfconfig);
Darkvater@6400: 				while (len != 0) {
Darkvater@6400: 					uint32 grfid = ReadUint32(ls);
Darkvater@6400: 
Darkvater@6400: 					if (ReadByte(ls) == 1) {
Darkvater@6434: 						GRFConfig *c = CallocT<GRFConfig>(1);
Darkvater@6434: 						c->grfid = grfid;
Darkvater@6434: 						c->filename = strdup("TTDP game, no information");
Darkvater@6400: 
Darkvater@6434: 						AppendToGRFConfigList(&_grfconfig, c);
Darkvater@6434: 						DEBUG(oldloader, 3, "TTDPatch game using GRF file with GRFID %0X", BSWAP32(c->grfid));
Darkvater@6400: 					}
Darkvater@6400: 					len -= 5;
Darkvater@6400: 				};
Darkvater@6400: 
Darkvater@6400: 				/* Append static NewGRF configuration */
Darkvater@6400: 				AppendStaticGRFConfigs(&_grfconfig);
Darkvater@6400: 			} break;
Darkvater@6411: 
glx@9505: 			/* TTDPatch version and configuration */
rubidium@10455: 			case 0x3:
rubidium@10455: 				_ttdp_version = ReadUint32(ls);
rubidium@10455: 				DEBUG(oldloader, 3, "Game saved with TTDPatch version %d.%d.%d r%d",
rubidium@10455: 					GB(_ttdp_version, 24, 8), GB(_ttdp_version, 20, 4), GB(_ttdp_version, 16, 4), GB(_ttdp_version, 0, 16));
Darkvater@6400: 				len -= 4;
Darkvater@6400: 				while (len-- != 0) ReadByte(ls); // skip the configuration
rubidium@10455: 				break;
Darkvater@6411: 
Darkvater@6400: 			default:
Darkvater@6400: 				DEBUG(oldloader, 4, "Skipping unknown extra chunk %X", id);
Darkvater@6400: 				while (len-- != 0) ReadByte(ls);
Darkvater@6400: 				break;
Darkvater@6400: 		}
Darkvater@6400: 	}
Darkvater@6400: 
Darkvater@6400: 	return !ls->failed;
Darkvater@6400: }
Darkvater@6400: 
rubidium@10249: extern TileIndex _cur_tileloop_tile;
truelight@1322: static uint32 _old_cur_town_ctr;
truelight@1322: static const OldChunks main_chunk[] = {
truelight@1322: 	OCL_ASSERT( 0 ),
rubidium@4326: 	OCL_VAR ( OC_FILE_U16 | OC_VAR_U32, 1, &_date ),
truelight@1322: 	OCL_VAR ( OC_UINT16,   1, &_date_fract ),
glx@9505: 	OCL_NULL( 600 ),            ///< TextEffects
rubidium@9724: 	OCL_VAR ( OC_UINT32,   2, &_random.state ),
truelight@1322: 
truelight@1322: 	OCL_ASSERT( 0x264 ),
truelight@1322: 	OCL_CHUNK(  70, LoadOldTown ),
truelight@1322: 	OCL_ASSERT( 0x1C18 ),
truelight@1322: 	OCL_CHUNK(5000, LoadOldOrder ),
truelight@1322: 	OCL_ASSERT( 0x4328 ),
truelight@1322: 
truelight@9718: 	OCL_CHUNK( 1, LoadOldAnimTileList ),
glx@9505: 	OCL_NULL( 4 ),              ///< old end-of-order-list-pointer, no longer in use
truelight@1322: 
truelight@1322: 	OCL_CHUNK( 255, LoadOldDepot ),
truelight@1322: 	OCL_ASSERT( 0x4B26 ),
truelight@1322: 
truelight@1322: 	OCL_VAR ( OC_UINT32,   1, &_old_cur_town_ctr ),
glx@9505: 	OCL_NULL( 2 ),              ///< timer_counter, no longer in use
glx@9505: 	OCL_NULL( 2 ),              ///< land_code,     no longer in use
truelight@1322: 
truelight@1322: 	OCL_VAR ( OC_FILE_U16 | OC_VAR_U8, 1, &_age_cargo_skip_counter ),
truelight@1322: 	OCL_VAR ( OC_UINT16,   1, &_tick_counter ),
truelight@1322: 	OCL_VAR (   OC_TILE,   1, &_cur_tileloop_tile ),
truelight@1322: 
truelight@1322: 	OCL_CHUNK( 49, LoadOldPrice ),
truelight@1322: 	OCL_CHUNK( 12, LoadOldCargoPaymentRate ),
truelight@1322: 
truelight@1322: 	OCL_ASSERT( 0x4CBA ),
truelight@1322: 
truelight@1322: 	OCL_CHUNK( 1, LoadOldMapPart1 ),
truelight@1322: 
truelight@1322: 	OCL_ASSERT( 0x48CBA ),
truelight@1322: 
truelight@1322: 	OCL_CHUNK(250, LoadOldStation ),
truelight@1322: 	OCL_CHUNK( 90, LoadOldIndustry ),
truelight@1322: 	OCL_CHUNK(  8, LoadOldPlayer ),
truelight@1322: 
truelight@1322: 	OCL_ASSERT( 0x547F2 ),
truelight@1322: 
truelight@1322: 	OCL_CHUNK( 850, LoadOldVehicle ),
truelight@1322: 
truelight@1322: 	OCL_ASSERT( 0x6F0F2 ),
truelight@1322: 
glx@10294: 	OCL_VAR (  OC_UINT8 | OC_DEREFERENCE_POINTER, 32 * 500, &_old_name_array ),
truelight@1322: 
glx@9505: 	OCL_NULL( 0x2000 ),            ///< Old hash-table, no longer in use
truelight@1322: 
truelight@1322: 	OCL_CHUNK( 40, LoadOldSign ),
truelight@1322: 	OCL_CHUNK(256, LoadOldEngine ),
truelight@1322: 
truelight@1322: 	OCL_VAR ( OC_UINT16,    1, &_vehicle_id_ctr_day ),
truelight@1322: 
truelight@1322: 	OCL_CHUNK(  8, LoadOldSubsidy ),
truelight@1322: 
truelight@1322: 	OCL_VAR ( OC_FILE_U16 | OC_VAR_U32,   1, &_next_competitor_start ),
truelight@1322: 	OCL_VAR ( OC_FILE_I16 | OC_VAR_I32,   1, &_saved_scrollpos_x ),
truelight@1322: 	OCL_VAR ( OC_FILE_I16 | OC_VAR_I32,   1, &_saved_scrollpos_y ),
truelight@1322: 	OCL_VAR ( OC_FILE_U16 | OC_VAR_U8,    1, &_saved_scrollpos_zoom ),
truelight@1322: 
truelight@9718: 	OCL_VAR ( OC_FILE_U32 | OC_VAR_I64,   1, &_economy.max_loan ),
truelight@9718: 	OCL_VAR ( OC_FILE_U32 | OC_VAR_I64,   1, &_economy.max_loan_unround ),
truelight@9718: 	OCL_VAR ( OC_FILE_U16 | OC_VAR_U32,   1, &_economy.fluct ),
truelight@1322: 
truelight@1322: 	OCL_VAR ( OC_UINT16,    1, &_disaster_delay ),
truelight@1322: 
glx@9505: 	OCL_NULL( 144 ),             ///< cargo-stuff, calculated in InitializeLandscapeVariables
truelight@1322: 
rubidium@9724: 	OCL_CHUNK(256, LoadOldEngineName ),
truelight@1322: 
glx@9505: 	OCL_NULL( 144 ),             ///< AI cargo-stuff, calculated in InitializeLandscapeVariables
glx@9505: 	OCL_NULL( 2 ),               ///< Company indexes of players, no longer in use
truelight@1322: 
truelight@1322: 	OCL_VAR ( OC_FILE_U8 | OC_VAR_U16,    1, &_station_tick_ctr ),
truelight@1322: 
rubidium@10867: 	OCL_VAR (  OC_UINT8,    1, &_settings_game.locale.currency ),
rubidium@10867: 	OCL_VAR (  OC_UINT8,    1, &_settings_game.locale.units ),
truelight@1322: 	OCL_VAR ( OC_FILE_U8 | OC_VAR_U32,    1, &_cur_player_tick_index ),
truelight@1322: 
glx@9505: 	OCL_NULL( 2 ),               ///< Date stuff, calculated automatically
glx@9505: 	OCL_NULL( 8 ),               ///< Player colors, calculated automatically
truelight@1322: 
truelight@1322: 	OCL_VAR (  OC_UINT8,    1, &_economy.infl_amount ),
truelight@1322: 	OCL_VAR (  OC_UINT8,    1, &_economy.infl_amount_pr ),
truelight@1322: 	OCL_VAR (  OC_UINT8,    1, &_economy.interest_rate ),
tron@6222: 	OCL_NULL( 1 ), // available airports
glx@10776: 	OCL_VAR (  OC_UINT8,    1, &_settings_game.vehicle.road_side ),
glx@10776: 	OCL_VAR (  OC_UINT8,    1, &_settings_game.game_creation.town_name ),
truelight@1322: 
truelight@1322: 	OCL_CHUNK( 1, LoadOldGameDifficulty ),
truelight@1322: 
truelight@1322: 	OCL_ASSERT( 0x77130 ),
truelight@1322: 
glx@10776: 	OCL_VAR (  OC_UINT8,    1, &_settings_game.difficulty.diff_level ),
glx@10776: 	OCL_VAR (  OC_UINT8,    1, &_settings_game.game_creation.landscape ),
truelight@1322: 	OCL_VAR (  OC_UINT8,    1, &_trees_tick_ctr ),
truelight@1322: 
glx@9505: 	OCL_NULL( 1 ),               ///< Custom vehicle types yes/no, no longer used
glx@10776: 	OCL_VAR (  OC_UINT8,    1, &_settings_game.game_creation.snow_line ),
truelight@1322: 
glx@9505: 	OCL_NULL( 32 ),              ///< new_industry_randtable, no longer used (because of new design)
glx@9505: 	OCL_NULL( 36 ),              ///< cargo-stuff, calculated in InitializeLandscapeVariables
truelight@1322: 
truelight@1322: 	OCL_ASSERT( 0x77179 ),
truelight@1322: 
truelight@1322: 	OCL_CHUNK( 1, LoadOldMapPart2 ),
truelight@1322: 
truelight@1322: 	OCL_ASSERT( 0x97179 ),
truelight@1322: 
truelight@1322: 	/* Below any (if available) extra chunks from TTDPatch can follow */
Darkvater@6400: 	OCL_CHUNK(1, LoadTTDPatchExtraChunks),
truelight@1322: 
truelight@1322: 	OCL_END()
truelight@1322: };
Darkvater@3626: 
truelight@1322: static bool LoadOldMain(LoadgameState *ls)
truelight@1322: {
truelight@1322: 	int i;
truelight@1322: 
truelight@1322: 	/* The first 49 is the name of the game + checksum, skip it */
truelight@1322: 	fseek(ls->file, HEADER_SIZE, SEEK_SET);
truelight@1322: 
Darkvater@6342: 	DEBUG(oldloader, 3, "Reading main chunk...");
truelight@1322: 	/* Load the biggest chunk */
glx@10294: 	_old_map3 = MallocT<byte>(OLD_MAP_SIZE * 2);
tron@2452: 	if (!LoadChunk(ls, NULL, main_chunk)) {
Darkvater@5568: 		DEBUG(oldloader, 0, "Loading failed");
glx@10294: 		free(_old_map3);
truelight@1322: 		return false;
truelight@1322: 	}
Darkvater@6342: 	DEBUG(oldloader, 3, "Done, converting game data...");
truelight@1322: 
truelight@1322: 	/* Fix some general stuff */
glx@10776: 	_settings_game.game_creation.landscape = _settings_game.game_creation.landscape & 0xF;
truelight@1322: 
truelight@1322: 	/* Remap some pointers */
truelight@1322: 	_cur_town_ctr      = REMAP_TOWN_IDX(_old_cur_town_ctr);
truelight@1322: 
truelight@1322: 	/* _old_map3 is changed in _map3_lo and _map3_hi */
truelight@1322: 	for (i = 0; i < OLD_MAP_SIZE; i++) {
tron@2049: 		_m[i].m3 = _old_map3[i * 2];
tron@2049: 		_m[i].m4 = _old_map3[i * 2 + 1];
truelight@1322: 	}
truelight@1322: 
truelight@1322: 	for (i = 0; i < OLD_MAP_SIZE; i ++) {
Darkvater@6341: 		switch (GetTileType(i)) {
glx@9624: 			case MP_STATION:
glx@9624: 				_m[i].m4 = 0; // We do not understand this TTDP station mapping (yet)
glx@9624: 				switch (_m[i].m5) {
glx@9624: 					/* We have drive through stops at a totally different place */
rubidium@9686: 					case 0x53: case 0x54: _m[i].m5 += 170 - 0x53; break; // Bus drive through
rubidium@9686: 					case 0x57: case 0x58: _m[i].m5 += 168 - 0x57; break; // Truck drive through
rubidium@9686: 					case 0x55: case 0x56: _m[i].m5 += 170 - 0x55; break; // Bus tram stop
rubidium@9686: 					case 0x59: case 0x5A: _m[i].m5 += 168 - 0x59; break; // Truck tram stop
rubidium@9686: 					default: break;
glx@9624: 				}
glx@9624: 				break;
glx@9624: 
Darkvater@6341: 			case MP_RAILWAY:
Darkvater@6341: 				/* We save presignals different from TTDPatch, convert them */
Darkvater@6341: 				if (GetRailTileType(i) == RAIL_TILE_SIGNALS) {
Darkvater@6341: 					/* This byte is always zero in TTD for this type of tile */
Darkvater@6341: 					if (_m[i].m4) /* Convert the presignals to our own format */
Darkvater@6341: 						_m[i].m4 = (_m[i].m4 >> 1) & 7;
Darkvater@6341: 				}
Darkvater@6341: 				/* TTDPatch stores PBS things in L6 and all elsewhere; so we'll just
Darkvater@6341: 				 * clear it for ourselves and let OTTD's rebuild PBS itself */
Darkvater@6341: 				_m[i].m4 &= 0xF; /* Only keep the lower four bits; upper four is PBS */
Darkvater@6341: 				break;
glx@10645: 
glx@10645: 			case MP_WATER:
glx@10645: 				if (GetWaterClass(i) == 3) MakeRiver(i, Random());
glx@10645: 				break;
glx@10645: 
glx@10645: 			default:
glx@10645: 				break;
truelight@0: 		}
truelight@0: 	}
truelight@0: 
truelight@9718: 	/* Make sure the available engines are really available, otherwise
truelight@9718: 	 * we will get a "new vehicle"-spree. */
rubidium@9724: 	Engine *e;
rubidium@9724: 	FOR_ALL_ENGINES(e) {
truelight@9718: 		if (_date >= (e->intro_date + 365)) {
truelight@9718: 			e->flags = (e->flags & ~ENGINE_EXCLUSIVE_PREVIEW) | ENGINE_AVAILABLE;
truelight@9718: 			e->player_avail = (byte)-1;
truelight@9718: 		}
truelight@9718: 	}
truelight@9718: 
truelight@1322: 	/* Fix the game to be compatible with OpenTTD */
truelight@1322: 	FixOldTowns();
truelight@1322: 	FixOldStations();
truelight@1322: 	FixOldVehicles();
truelight@0: 
truelight@1322: 	/* We have a new difficulty setting */
glx@10776: 	_settings_game.difficulty.town_council_tolerance = Clamp(_settings_game.difficulty.diff_level, 0, 2);
truelight@0: 
Darkvater@6342: 	DEBUG(oldloader, 3, "Finished converting game data");
Darkvater@5568: 	DEBUG(oldloader, 1, "TTD(Patch) savegame successfully converted");
truelight@0: 
glx@10294: 	free(_old_map3);
glx@10294: 
truelight@1322: 	return true;
truelight@1322: }
truelight@1322: 
truelight@1322: bool LoadOldSaveGame(const char *file)
truelight@1322: {
tron@2452: 	LoadgameState ls;
tron@2452: 
Darkvater@6342: 	DEBUG(oldloader, 3, "Trying to load a TTD(Patch) savegame");
truelight@1322: 
tron@2452: 	InitLoading(&ls);
truelight@1322: 
truelight@1322: 	/* Open file */
tron@2452: 	ls.file = fopen(file, "rb");
truelight@1322: 
tron@2452: 	if (ls.file == NULL) {
Darkvater@5568: 		DEBUG(oldloader, 0, "Cannot open file '%s'", file);
truelight@1322: 		return false;
truelight@0: 	}
truelight@0: 
truelight@1322: 	/* Load the main chunk */
tron@2452: 	if (!LoadOldMain(&ls)) return false;
truelight@193: 
tron@2452: 	fclose(ls.file);
truelight@1322: 
rubidium@10455: 	/* Some old TTD(Patch) savegames could have buoys at tile 0
rubidium@10142: 	 * (without assigned station struct)
rubidium@10142: 	 * MakeWater() can be used as long as sea has the same
rubidium@10142: 	 * format as old savegames (eg. everything is zeroed) */
rubidium@10142: 	MakeWater(0);
rubidium@10142: 
truelight@6557: 	_pause_game = 2;
truelight@1340: 
truelight@0: 	return true;
truelight@0: }
truelight@0: 
Darkvater@4221: void GetOldSaveGameName(char *title, const char *path, const char *file)
truelight@0: {
Darkvater@4221: 	char filename[MAX_PATH];
Darkvater@4221: 	FILE *f;
Darkvater@4221: 
Darkvater@4221: 	snprintf(filename, lengthof(filename), "%s" PATHSEP "%s", path, file);
Darkvater@4221: 	f = fopen(filename, "rb");
Darkvater@4221: 	title[0] = '\0';
Darkvater@4221: 	title[48] = '\0';
truelight@0: 
Darkvater@3626: 	if (f == NULL) return;
truelight@1326: 
Darkvater@3626: 	if (fread(title, 1, 48, f) != 48) snprintf(title, 48, "Corrupt file");
truelight@1322: 
truelight@0: 	fclose(f);
truelight@0: }