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(svn r2819) Make variables, which are exclusive for internal use of the save/load code, static in saveload.c

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This commit is contained in:
tron 2005-08-06 17:40:21 +00:00
parent 3b6b3af629
commit 03e860d06d
7 changed files with 196 additions and 94 deletions
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163
misc.c
View File

@ -741,33 +741,62 @@ static void Load_MAPS(void)
AllocateMap(_map_dim_x, _map_dim_y);
}
static void SaveLoad_MapByte(byte *m)
static void Load_MAPT(void)
{
uint size = MapSize(), i;
byte buf[4096];
if (_sl.save) {
SlSetLength(size);
for(;size;size -= lengthof(buf)) {
for (i = 0; i != lengthof(buf); i++) { buf[i] = *m; m += sizeof(Tile); }
SlArray(buf, lengthof(buf), SLE_UINT8);
}
} else {
for(;size;size -= lengthof(buf)) {
SlArray(buf, lengthof(buf), SLE_UINT8);
for (i = 0; i != lengthof(buf); i++) { *m = buf[i]; m += sizeof(Tile); }
}
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 SaveLoad_MAPT(void)
static void Save_MAPT(void)
{
SaveLoad_MapByte(&_m[0].type_height);
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 SaveLoad_MAPO(void)
static void Load_MAPO(void)
{
SaveLoad_MapByte(&_m[0].owner);
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++].owner = buf[j];
}
}
static void Save_MAPO(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++].owner;
SlArray(buf, lengthof(buf), SLE_UINT8);
}
}
static void Load_MAP2(void)
@ -781,7 +810,7 @@ static void Load_MAP2(void)
SlArray(buf, lengthof(buf),
/* In those versions the m2 was 8 bits */
_sl.version < 5 ? SLE_FILE_U8 | SLE_VAR_U16 : SLE_UINT16
_sl_version < 5 ? SLE_FILE_U8 | SLE_VAR_U16 : SLE_UINT16
);
for (j = 0; j != lengthof(buf); j++) _m[i++].m2 = buf[j];
}
@ -802,19 +831,91 @@ static void Save_MAP2(void)
}
}
static void SaveLoad_MAP3(void)
static void Load_MAP3(void)
{
SaveLoad_MapByte(&_m[0].m3);
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 SaveLoad_MAP4(void)
static void Save_MAP3(void)
{
SaveLoad_MapByte(&_m[0].m4);
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 SaveLoad_MAP5(void)
static void Load_MAP4(void)
{
SaveLoad_MapByte(&_m[0].m5);
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)
@ -885,12 +986,12 @@ static void Load_CHTS(void)
const ChunkHandler _misc_chunk_handlers[] = {
{ 'MAPS', Save_MAPS, Load_MAPS, CH_RIFF },
{ 'MAPT', SaveLoad_MAPT, SaveLoad_MAPT, CH_RIFF },
{ 'MAPO', SaveLoad_MAPO, SaveLoad_MAPO, CH_RIFF },
{ 'MAPT', Save_MAPT, Load_MAPT, CH_RIFF },
{ 'MAPO', Save_MAPO, Load_MAPO, CH_RIFF },
{ 'MAP2', Save_MAP2, Load_MAP2, CH_RIFF },
{ 'M3LO', SaveLoad_MAP3, SaveLoad_MAP3, CH_RIFF },
{ 'M3HI', SaveLoad_MAP4, SaveLoad_MAP4, CH_RIFF },
{ 'MAP5', SaveLoad_MAP5, SaveLoad_MAP5, 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},

6
order_cmd.c
View File

@ -1120,13 +1120,13 @@ static void Save_ORDR(void)
static void Load_ORDR(void)
{
if (_sl.full_version <= 0x501) {
if (_sl_full_version <= 0x501) {
/* Version older than 0x502 did not have a ->next pointer. Convert them
(in the old days, the orderlist was 5000 items big) */
uint len = SlGetFieldLength();
uint i;
if (_sl.version < 5) {
if (_sl_version < 5) {
/* Pre-version 5 had an other layout for orders
(uint16 instead of uint32) */
uint16 orders[5000];
@ -1142,7 +1142,7 @@ static void Load_ORDR(void)
AssignOrder(GetOrder(i), UnpackVersion4Order(orders[i]));
}
} else if (_sl.full_version <= 0x501) {
} else if (_sl_full_version <= 0x501) {
uint32 orders[5000];
len /= sizeof(uint32);

65
saveload.c
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@ -34,9 +34,46 @@ enum {
SAVEGAME_LOADABLE_VERSION = (SAVEGAME_MAJOR_VERSION << 8) + SAVEGAME_MINOR_VERSION
};
enum NeedLengthValues {NL_NONE = 0, NL_WANTLENGTH = 1, NL_CALCLENGTH = 2};
byte _sl_version; /// the major savegame version identifier
uint16 _sl_full_version; /// the full version of the savegame
SaverLoader _sl;
/** The saveload struct, containing reader-writer functions, bufffer, version, etc. */
static struct {
bool save; /// are we doing a save or a load atm. True when saving
byte need_length; /// ???
byte block_mode; /// ???
bool error; /// did an error occur or not
int obj_len; /// the length of the current object we are busy with
int array_index, last_array_index; /// in the case of an array, the current and last positions
uint32 offs_base; /// the offset in number of bytes since we started writing data (eg uncompressed savegame size)
WriterProc *write_bytes; /// savegame writer function
ReaderProc *read_bytes; /// savegame loader function
ReferenceToIntProc *ref_to_int_proc; /// function to convert pointers to numbers when saving a game
IntToReferenceProc *int_to_ref_proc; /// function to convert numbers to pointers when loading a game
const ChunkHandler* const *chs; /// the chunk of data that is being processed atm (vehicles, signs, etc.)
const SaveLoad* const *includes; /// the internal layouf of the given chunk
/** When saving/loading savegames, they are always saved to a temporary memory-place
* to be flushed to file (save) or to final place (load) when full. */
byte *bufp, *bufe; /// bufp(ointer) gives the current position in the buffer bufe(nd) gives the end of the buffer
// these 3 may be used by compressor/decompressors.
byte *buf; /// pointer to temporary memory to read/write, initialized by SaveLoadFormat->initread/write
uint bufsize; /// the size of the temporary memory *buf
FILE *fh; /// the file from which is read or written to
void (*excpt_uninit)(void); /// the function to execute on any encountered error
const char *excpt_msg; /// the error message
jmp_buf excpt; /// @todo used to jump to "exception handler"; really ugly
} _sl;
enum NeedLengthValues {NL_NONE = 0, NL_WANTLENGTH = 1, NL_CALCLENGTH = 2};
/**
* Fill the input buffer by reading from the file with the given reader
@ -441,7 +478,7 @@ void SlArray(void *array, uint length, VarType conv)
/* NOTICE - handle some buggy stuff, in really old versions everything was saved
* as a byte-type. So detect this, and adjust array size accordingly */
if (!_sl.save && _sl.version == 0) {
if (!_sl.save && _sl_version == 0) {
if (conv == SLE_INT16 || conv == SLE_UINT16 || conv == SLE_STRINGID) {
length *= 2; // int16, uint16 and StringID are 2 bytes in size
conv = SLE_INT8;
@ -478,7 +515,7 @@ static size_t SlCalcObjLength(void *object, const SaveLoad *sld)
if (sld->cmd < SL_WRITEBYTE) {
if (HASBIT(sld->cmd, 2)) {
// check if the field is used in the current savegame version
if (_sl.version < sld->version_from || _sl.version > sld->version_to)
if (_sl_version < sld->version_from || _sl_version > sld->version_to)
continue;
}
@ -522,7 +559,7 @@ void SlObject(void *object, const SaveLoad *sld)
/* CONDITIONAL saveload types depend on the savegame version */
if (HASBIT(sld->cmd, 2)) {
// check if the field is of the right version, if not, proceed to next one
if (_sl.version < sld->version_from || _sl.version > sld->version_to)
if (_sl_version < sld->version_from || _sl_version > sld->version_to)
continue;
}
@ -571,7 +608,7 @@ static size_t SlCalcGlobListLength(const SaveLoadGlobVarList *desc)
for (; desc->address != NULL; desc++) {
// Of course the global variable must exist in the sought savegame version
if (_sl.version >= desc->from_version && _sl.version <= desc->to_version)
if (_sl_version >= desc->from_version && _sl_version <= desc->to_version)
length += SlCalcConvLen(NULL, desc->conv);
}
return length;
@ -590,7 +627,7 @@ void SlGlobList(const SaveLoadGlobVarList *desc)
}
for (; desc->address != NULL; desc++) {
if (_sl.version >= desc->from_version && _sl.version <= desc->to_version)
if (_sl_version >= desc->from_version && _sl_version <= desc->to_version)
SlSaveLoadConv(desc->address, desc->conv);
}
}
@ -781,7 +818,7 @@ static uint ReadLZO(void)
// Check if size is bad
((uint32*)out)[0] = size = tmp[1];
if (_sl.version != 0) {
if (_sl_version != 0) {
tmp[0] = TO_BE32(tmp[0]);
size = TO_BE32(size);
}
@ -1089,7 +1126,7 @@ static void *IntToReference(uint index, SLRefType rt)
{
/* After version 4.3 REF_VEHICLE_OLD is saved as REF_VEHICLE,
* and should be loaded like that */
if (rt == REF_VEHICLE_OLD && _sl.full_version >= ((4 << 8) | 4))
if (rt == REF_VEHICLE_OLD && _sl_full_version >= ((4 << 8) | 4))
rt = REF_VEHICLE;
/* No need to look up NULL pointers, just return immediately */
@ -1383,7 +1420,7 @@ SaveOrLoadResult SaveOrLoad(const char *filename, int mode)
return AbortSaveLoad();
}
_sl.version = SAVEGAME_MAJOR_VERSION;
_sl_version = SAVEGAME_MAJOR_VERSION;
BeforeSaveGame();
SlSaveChunks();
@ -1411,8 +1448,8 @@ SaveOrLoadResult SaveOrLoad(const char *filename, int mode)
if (fmt == endof(_saveload_formats)) {
DEBUG(misc, 0) ("Unknown savegame type, trying to load it as the buggy format.");
rewind(_sl.fh);
_sl.version = version = 0;
_sl.full_version = 0;
_sl_version = version = 0;
_sl_full_version = 0;
fmt = _saveload_formats + 1; // LZO
break;
}
@ -1427,8 +1464,8 @@ SaveOrLoadResult SaveOrLoad(const char *filename, int mode)
return AbortSaveLoad();
}
_sl.version = (version >> 8);
_sl.full_version = version;
_sl_version = (version >> 8);
_sl_full_version = version;
break;
}
}

44
saveload.h
View File

@ -58,46 +58,10 @@ typedef enum SLRefType {
typedef uint ReferenceToIntProc(const void *obj, SLRefType rt);
typedef void *IntToReferenceProc(uint index, SLRefType rt);
typedef struct SaveLoad SaveLoad;
/** The saveload struct, containing reader-writer functions, bufffer, version, etc. */
typedef struct {
bool save; /// are we doing a save or a load atm. True when saving
byte need_length; /// ???
byte block_mode; /// ???
bool error; /// did an error occur or not
byte version; /// the major savegame version identifier
uint16 full_version; /// the full version of the savegame
extern byte _sl_version; /// the major savegame version identifier
extern uint16 _sl_full_version; /// the full version of the savegame
int obj_len; /// the length of the current object we are busy with
int array_index, last_array_index; /// in the case of an array, the current and last positions
uint32 offs_base; /// the offset in number of bytes since we started writing data (eg uncompressed savegame size)
WriterProc *write_bytes; /// savegame writer function
ReaderProc *read_bytes; /// savegame loader function
ReferenceToIntProc *ref_to_int_proc; /// function to convert pointers to numbers when saving a game
IntToReferenceProc *int_to_ref_proc; /// function to convert numbers to pointers when loading a game
const ChunkHandler* const *chs; /// the chunk of data that is being processed atm (vehicles, signs, etc.)
const SaveLoad* const *includes; /// the internal layouf of the given chunk
/** When saving/loading savegames, they are always saved to a temporary memory-place
* to be flushed to file (save) or to final place (load) when full. */
byte *bufp, *bufe; /// bufp(ointer) gives the current position in the buffer bufe(nd) gives the end of the buffer
// these 3 may be used by compressor/decompressors.
byte *buf; /// pointer to temporary memory to read/write, initialized by SaveLoadFormat->initread/write
uint bufsize; /// the size of the temporary memory *buf
FILE *fh; /// the file from which is read or written to
void (*excpt_uninit)(void); /// the function to execute on any encountered error
const char *excpt_msg; /// the error message
jmp_buf excpt; /// @todo used to jump to "exception handler"; really ugly
} SaverLoader;
extern SaverLoader _sl;
enum {
INC_VEHICLE_COMMON = 0,
@ -172,14 +136,14 @@ enum SaveLoadTypes {
};
/** SaveLoad type struct. Do NOT use this directly but use the SLE_ macros defined just below! */
struct SaveLoad {
typedef struct SaveLoad {
byte cmd; /// the action to take with the saved/loaded type, All types need different action
VarType type; /// type of the variable to be saved, int
uint16 offset; /// offset of this variable in the struct (max offset is 65536)
uint16 length; /// (conditional) length of the variable (eg. arrays) (max array size is 65536 elements)
uint16 version_from; /// save/load the variable starting from this savegame version
uint16 version_to; /// save/load the variable until this savegame version
};
} SaveLoad;
/* Simple variables, references (pointers) and arrays */
#define SLE_VAR(base, variable, type) {SL_VAR, type, offsetof(base, variable), 0, 0, 0}

4
station_cmd.c
View File

@ -3139,7 +3139,7 @@ static void SaveLoad_STNS(Station *st)
SlObject(&st->goods[i], _goods_desc);
/* In older versions, enroute_from had 0xFF as INVALID_STATION, is now 0xFFFF */
if (_sl.full_version < 0x700 && st->goods[i].enroute_from == 0xFF)
if (_sl_full_version < 0x700 && st->goods[i].enroute_from == 0xFF)
st->goods[i].enroute_from = 0xFFFF;
}
}
@ -3177,7 +3177,7 @@ static void Load_STNS(void)
st->trainst_h = h;
}
if (_sl.full_version < 0x600) {
if (_sl_full_version < 0x600) {
/* Convert old bus and truck tile to new-ones */
if (st->bus_tile_obsolete != 0) {
st->bus_stops = AllocateRoadStop();

2
texteff.c
View File

@ -373,7 +373,7 @@ void InitializeAnimatedTiles(void)
static void SaveLoad_ANIT(void)
{
if (_sl.version < 6) {
if (_sl_version < 6) {
SlArray(_animated_tile_list, lengthof(_animated_tile_list), SLE_FILE_U16 | SLE_VAR_U32);
} else
SlArray(_animated_tile_list, lengthof(_animated_tile_list), SLE_UINT32);

6
vehicle.c
View File

@ -2224,10 +2224,10 @@ static void Load_VEHS(void)
SlObject(v, _veh_descs[SlReadByte()]);
/* Old savegames used 'last_station_visited = 0xFF', should be 0xFFFF */
if (_sl.version < 5 && v->last_station_visited == 0xFF)
if (_sl_version < 5 && v->last_station_visited == 0xFF)
v->last_station_visited = 0xFFFF;
if (_sl.version < 5) {
if (_sl_version < 5) {
/* Convert the current_order.type (which is a mix of type and flags, because
in those versions, they both were 4 bits big) to type and flags */
v->current_order.flags = (v->current_order.type & 0xF0) >> 4;
@ -2236,7 +2236,7 @@ static void Load_VEHS(void)
}
/* Check for shared order-lists (we now use pointers for that) */
if (_sl.full_version < 0x502) {
if (_sl_full_version < 0x502) {
FOR_ALL_VEHICLES(v) {
Vehicle *u;