static int ReadStateChunk(StateMem *st, SFORMAT *sf, int size, int data_only)
{
SFORMAT *tmp;
int temp;
if(data_only)
{
DOReadChunk(st, sf);
}
else
{
temp = smem_tell(st);
while(smem_tell(st) < temp + size)
{
uint32 tsize;
char toa[32];
if(smem_read(st, toa, 32) <= 0)
{
puts("Unexpected EOF?");
return 0;
}
smem_read32le(st, &tsize);
if((tmp=CheckS(sf,tsize,toa)))
{
int32 bytesize = tmp->s&(~(MDFNSTATE_RLSB32 | MDFNSTATE_RLSB16 | RLSB));
smem_read(st, (uint8 *)tmp->v, bytesize);
if(tmp->s & MDFNSTATE_RLSB32)
Endian_A32_LE_to_NE(tmp->v, bytesize / sizeof(uint32));
else if(tmp->s & MDFNSTATE_RLSB16)
Endian_A16_LE_to_NE(tmp->v, bytesize / sizeof(uint16));
else if(tmp->s&RLSB)
Endian_V_LE_to_NE(tmp->v, bytesize);
}
else
if(smem_seek(st,tsize,SEEK_CUR) < 0)
{
puts("Seek error");
return(0);
}
} // while(...)
}
return 1;
}
static int ReadStateChunk(StateMem *st, SFORMAT *sf, int size)
{
int temp = st->loc;
while (st->loc < (temp + size))
{
uint32_t recorded_size; // In bytes
uint8_t toa[1 + 256]; // Don't change to char unless cast toa[0] to unsigned to smem_read() and other places.
if(smem_read(st, toa, 1) != 1)
{
puts("Unexpected EOF");
return(0);
}
if(smem_read(st, toa + 1, toa[0]) != toa[0])
{
puts("Unexpected EOF?");
return 0;
}
toa[1 + toa[0]] = 0;
smem_read32le(st, &recorded_size);
SFORMAT *tmp = FindSF((char*)toa + 1, sf);
if(tmp)
{
uint32_t expected_size = tmp->size; // In bytes
if(recorded_size != expected_size)
{
printf("Variable in save state wrong size: %s. Need: %d, got: %d\n", toa + 1, expected_size, recorded_size);
if(smem_seek(st, recorded_size, SEEK_CUR) < 0)
{
puts("Seek error");
return(0);
}
}
else
{
smem_read(st, (uint8_t *)tmp->v, expected_size);
if(tmp->flags & MDFNSTATE_BOOL)
{
// Converting downwards is necessary for the case of sizeof(bool) > 1
for(int32_t bool_monster = expected_size - 1; bool_monster >= 0; bool_monster--)
{
((bool *)tmp->v)[bool_monster] = ((uint8_t *)tmp->v)[bool_monster];
}
}
#ifdef MSB_FIRST
if(tmp->flags & MDFNSTATE_RLSB64)
Endian_A64_LE_to_NE(tmp->v, expected_size / sizeof(uint64_t));
else if(tmp->flags & MDFNSTATE_RLSB32)
Endian_A32_LE_to_NE(tmp->v, expected_size / sizeof(uint32_t));
else if(tmp->flags & MDFNSTATE_RLSB16)
Endian_A16_LE_to_NE(tmp->v, expected_size / sizeof(uint16_t));
else if(tmp->flags & RLSB)
Endian_V_LE_to_NE(tmp->v, expected_size);
#endif
}
}
else
{
printf("Unknown variable in save state: %s\n", toa + 1);
if(smem_seek(st, recorded_size, SEEK_CUR) < 0)
{
puts("Seek error");
return(0);
}
}
} // while(...)
assert(st->loc == (temp + size));
return 1;
}
static bool SubWrite(StateMem *st, SFORMAT *sf, const char *name_prefix = NULL)
{
while(sf->size || sf->name) // Size can sometimes be zero, so also check for the text name. These two should both be zero only at the end of a struct.
{
if(!sf->size || !sf->v)
{
sf++;
continue;
}
if(sf->size == (uint32_t)~0) /* Link to another struct. */
{
if(!SubWrite(st, (SFORMAT *)sf->v, name_prefix))
return(0);
sf++;
continue;
}
int32_t bytesize = sf->size;
char nameo[1 + 256];
int slen;
slen = snprintf(nameo + 1, 256, "%s%s", name_prefix ? name_prefix : "", sf->name);
nameo[0] = slen;
if(slen >= 255)
{
printf("Warning: state variable name possibly too long: %s %s %s %d\n", sf->name, name_prefix, nameo, slen);
slen = 255;
}
smem_write(st, nameo, 1 + nameo[0]);
smem_write32le(st, bytesize);
#ifdef MSB_FIRST
/* Flip the byte order... */
if(sf->flags & MDFNSTATE_BOOL)
{
}
else if(sf->flags & MDFNSTATE_RLSB64)
Endian_A64_NE_to_LE(sf->v, bytesize / sizeof(uint64_t));
else if(sf->flags & MDFNSTATE_RLSB32)
Endian_A32_NE_to_LE(sf->v, bytesize / sizeof(uint32_t));
else if(sf->flags & MDFNSTATE_RLSB16)
Endian_A16_NE_to_LE(sf->v, bytesize / sizeof(uint16_t));
else if(sf->flags & RLSB)
Endian_V_NE_to_LE(sf->v, bytesize);
#endif
// Special case for the evil bool type, to convert bool to 1-byte elements.
// Don't do it if we're only saving the raw data.
if(sf->flags & MDFNSTATE_BOOL)
{
for(int32_t bool_monster = 0; bool_monster < bytesize; bool_monster++)
{
uint8_t tmp_bool = ((bool *)sf->v)[bool_monster];
//printf("Bool write: %.31s\n", sf->name);
smem_write(st, &tmp_bool, 1);
}
}
else
smem_write(st, (uint8_t *)sf->v, bytesize);
#ifdef MSB_FIRST
/* Now restore the original byte order. */
if(sf->flags & MDFNSTATE_BOOL)
{
}
else if(sf->flags & MDFNSTATE_RLSB64)
Endian_A64_LE_to_NE(sf->v, bytesize / sizeof(uint64_t));
else if(sf->flags & MDFNSTATE_RLSB32)
Endian_A32_LE_to_NE(sf->v, bytesize / sizeof(uint32_t));
else if(sf->flags & MDFNSTATE_RLSB16)
Endian_A16_LE_to_NE(sf->v, bytesize / sizeof(uint16_t));
else if(sf->flags & RLSB)
Endian_V_LE_to_NE(sf->v, bytesize);
#endif
sf++;
}
return true;
}
static int SubWrite(StateMem *st, SFORMAT *sf, int data_only, gzFile fp)
{
uint32 acc=0;
// FIXME? It's kind of slow, and we definitely don't want it on with state rewinding...
//ValidateSFStructure(sf);
while(sf->s || sf->desc) // Size can sometimes be zero, so also check for the text description. These two should both be zero only at the end of a struct.
{
if(!sf->s || !sf->v)
{
sf++;
continue;
}
if(sf->s == (uint32)~0) /* Link to another struct. */
{
uint32 tmp;
if(!(tmp=SubWrite(st,(SFORMAT *)sf->v, data_only, fp)))
return(0);
acc+=tmp;
sf++;
continue;
}
if(!data_only)
acc+=32 + 4; /* Description + size */
int32 bytesize = sf->s&(~(MDFNSTATE_RLSB32 | MDFNSTATE_RLSB16 | RLSB));
acc += bytesize;
//printf("%d %d %d\n", bytesize, data_only, fp);
if(st || fp) /* Are we writing or calculating the size of this block? */
{
if(!data_only)
{
char desco[32];
int slen = strlen(sf->desc);
memset(desco, 0, 32);
if(slen > 32)
{
printf("Warning: state variable name too long: %s %d\n", sf->desc, slen);
slen = 32;
}
memcpy(desco, sf->desc, slen);
smem_write(st, desco, 32);
smem_write32le(st, bytesize);
/* Flip the byte order... */
if(sf->s & MDFNSTATE_RLSB32)
Endian_A32_NE_to_LE(sf->v, bytesize / sizeof(uint32));
else if(sf->s & MDFNSTATE_RLSB16)
Endian_A16_NE_to_LE(sf->v, bytesize / sizeof(uint16));
else if(sf->s&RLSB)
Endian_V_NE_to_LE(sf->v, bytesize);
}
if(fp)
{
//printf("Wrote: %d\n", bytesize);
gzwrite(fp, sf->v, bytesize);
}
else
{
smem_write(st, (uint8 *)sf->v, bytesize);
}
if(!data_only)
{
/* Now restore the original byte order. */
if(sf->s & MDFNSTATE_RLSB32)
Endian_A32_LE_to_NE(sf->v, bytesize / sizeof(uint32));
else if(sf->s & MDFNSTATE_RLSB16)
Endian_A16_LE_to_NE(sf->v, bytesize / sizeof(uint16));
else if(sf->s&RLSB)
Endian_V_LE_to_NE(sf->v, bytesize);
}
}
sf++;
}
return(acc);
}
static int ReadStateChunk(StateMem *st, SFORMAT *sf, int size, int data_only)
{
int temp;
if(data_only)
{
DOReadChunk(st, sf);
}
else
{
SFMap_t sfmap;
SFMap_t sfmap_found; // Used for identify variables that are missing in the save state.
MakeSFMap(sf, sfmap);
temp = smem_tell(st);
while(smem_tell(st) < (temp + size))
{
uint32 tsize;
char toa[1 + 256];
if(smem_read(st, toa, 1) != 1)
{
puts("Unexpected EOF");
return(0);
}
if(smem_read(st, toa + 1, toa[0]) != toa[0])
{
puts("Unexpected EOF?");
return 0;
}
toa[1 + toa[0]] = 0;
smem_read32le(st, &tsize);
SFMap_t::iterator sfmit;
sfmit = sfmap.find(toa + 1);
if(sfmit != sfmap.end())
{
SFORMAT *tmp = sfmit->second;
int32 bytesize = tmp->size;
sfmap_found[tmp->name] = tmp;
smem_read(st, (uint8 *)tmp->v, bytesize);
if(tmp->flags & MDFNSTATE_BOOL)
{
// Converting downwards is necessary for the case of sizeof(bool) > 1
for(int32 bool_monster = bytesize - 1; bool_monster >= 0; bool_monster--)
{
((bool *)tmp->v)[bool_monster] = (bool)((uint8 *)tmp->v)[bool_monster];
}
}
if(tmp->flags & MDFNSTATE_RLSB64)
Endian_A64_LE_to_NE(tmp->v, bytesize / sizeof(uint64));
else if(tmp->flags & MDFNSTATE_RLSB32)
Endian_A32_LE_to_NE(tmp->v, bytesize / sizeof(uint32));
else if(tmp->flags & MDFNSTATE_RLSB16)
Endian_A16_LE_to_NE(tmp->v, bytesize / sizeof(uint16));
else if(tmp->flags & RLSB)
Endian_V_LE_to_NE(tmp->v, bytesize);
}
else
{
printf("Unknown variable in save state: %s\n", toa + 1);
if(smem_seek(st, tsize, SEEK_CUR) < 0)
{
puts("Seek error");
return(0);
}
}
} // while(...)
for(SFMap_t::const_iterator it = sfmap.begin(); it != sfmap.end(); it++)
{
if(sfmap_found.find(it->second->name) == sfmap_found.end())
{
printf("Variable missing from save state: %s\n", it->second->name);
}
}
assert(smem_tell(st) == (temp + size));
}
return 1;
}
static bool SubWrite(StateMem *st, SFORMAT *sf, int data_only, const char *name_prefix = NULL)
{
// FIXME? It's kind of slow, and we definitely don't want it on with state rewinding...
//if(!data_only)
// ValidateSFStructure(sf);
while(sf->size || sf->name) // Size can sometimes be zero, so also check for the text name. These two should both be zero only at the end of a struct.
{
if(!sf->size || !sf->v)
{
sf++;
continue;
}
if(sf->size == (uint32)~0) /* Link to another struct. */
{
if(!SubWrite(st, (SFORMAT *)sf->v, data_only, name_prefix))
return(0);
sf++;
continue;
}
int32 bytesize = sf->size;
// If we're only saving the raw data, and we come across a bool type, we save it as it is in memory, rather than converting it to
// 1-byte. In the SFORMAT structure, the size member for bool entries is the number of bool elements, not the total in-memory size,
// so we adjust it here.
if(data_only && (sf->flags & MDFNSTATE_BOOL))
{
bytesize *= sizeof(bool);
}
if(!data_only)
{
char nameo[1 + 256];
int slen;
slen = snprintf(nameo + 1, 256, "%s%s", name_prefix ? name_prefix : "", sf->name);
nameo[0] = slen;
if(slen >= 255)
{
printf("Warning: state variable name possibly too long: %s %s %s %d\n", sf->name, name_prefix, nameo, slen);
slen = 255;
}
smem_write(st, nameo, 1 + nameo[0]);
smem_write32le(st, bytesize);
/* Flip the byte order... */
if(sf->flags & MDFNSTATE_BOOL)
{
}
else if(sf->flags & MDFNSTATE_RLSB64)
Endian_A64_NE_to_LE(sf->v, bytesize / sizeof(uint64));
else if(sf->flags & MDFNSTATE_RLSB32)
Endian_A32_NE_to_LE(sf->v, bytesize / sizeof(uint32));
else if(sf->flags & MDFNSTATE_RLSB16)
Endian_A16_NE_to_LE(sf->v, bytesize / sizeof(uint16));
else if(sf->flags & RLSB)
Endian_V_NE_to_LE(sf->v, bytesize);
}
// Special case for the evil bool type, to convert bool to 1-byte elements.
// Don't do it if we're only saving the raw data.
if((sf->flags & MDFNSTATE_BOOL) && !data_only)
{
for(int32 bool_monster = 0; bool_monster < bytesize; bool_monster++)
{
uint8 tmp_bool = ((bool *)sf->v)[bool_monster];
//printf("Bool write: %.31s\n", sf->name);
smem_write(st, &tmp_bool, 1);
}
}
else
smem_write(st, (uint8 *)sf->v, bytesize);
if(!data_only)
{
/* Now restore the original byte order. */
if(sf->flags & MDFNSTATE_BOOL)
{
}
else if(sf->flags & MDFNSTATE_RLSB64)
Endian_A64_LE_to_NE(sf->v, bytesize / sizeof(uint64));
else if(sf->flags & MDFNSTATE_RLSB32)
Endian_A32_LE_to_NE(sf->v, bytesize / sizeof(uint32));
else if(sf->flags & MDFNSTATE_RLSB16)
Endian_A16_LE_to_NE(sf->v, bytesize / sizeof(uint16));
else if(sf->flags & RLSB)
Endian_V_LE_to_NE(sf->v, bytesize);
}
sf++;
}
return(TRUE);
}
static int ReadStateChunk(StateMem *st, SFORMAT *sf, int size)
{
int temp;
{
SFMap_t sfmap;
SFMap_t sfmap_found; // Used for identifying variables that are missing in the save state.
MakeSFMap(sf, sfmap);
temp = smem_tell(st);
while(smem_tell(st) < (temp + size))
{
uint32 recorded_size; // In bytes
uint8 toa[1 + 256]; // Don't change to char unless cast toa[0] to unsigned to smem_read() and other places.
if(smem_read(st, toa, 1) != 1)
{
puts("Unexpected EOF");
return(0);
}
if(smem_read(st, toa + 1, toa[0]) != toa[0])
{
puts("Unexpected EOF?");
return 0;
}
toa[1 + toa[0]] = 0;
smem_read32le(st, &recorded_size);
SFMap_t::iterator sfmit;
sfmit = sfmap.find((char *)toa + 1);
if(sfmit != sfmap.end())
{
SFORMAT *tmp = sfmit->second;
uint32 expected_size = tmp->size; // In bytes
if(recorded_size != expected_size)
{
printf("Variable in save state wrong size: %s. Need: %d, got: %d\n", toa + 1, expected_size, recorded_size);
if(smem_seek(st, recorded_size, SEEK_CUR) < 0)
{
puts("Seek error");
return(0);
}
}
else
{
sfmap_found[tmp->name] = tmp;
smem_read(st, (uint8 *)tmp->v, expected_size);
if(tmp->flags & MDFNSTATE_BOOL)
{
// Converting downwards is necessary for the case of sizeof(bool) > 1
for(int32 bool_monster = expected_size - 1; bool_monster >= 0; bool_monster--)
{
((bool *)tmp->v)[bool_monster] = ((uint8 *)tmp->v)[bool_monster];
}
}
if(tmp->flags & MDFNSTATE_RLSB64)
Endian_A64_LE_to_NE(tmp->v, expected_size / sizeof(uint64));
else if(tmp->flags & MDFNSTATE_RLSB32)
Endian_A32_LE_to_NE(tmp->v, expected_size / sizeof(uint32));
else if(tmp->flags & MDFNSTATE_RLSB16)
Endian_A16_LE_to_NE(tmp->v, expected_size / sizeof(uint16));
else if(tmp->flags & RLSB)
Endian_V_LE_to_NE(tmp->v, expected_size);
}
}
else
{
printf("Unknown variable in save state: %s\n", toa + 1);
if(smem_seek(st, recorded_size, SEEK_CUR) < 0)
{
puts("Seek error");
return(0);
}
}
} // while(...)
for(SFMap_t::const_iterator it = sfmap.begin(); it != sfmap.end(); it++)
{
if(sfmap_found.find(it->second->name) == sfmap_found.end())
{
printf("Variable missing from save state: %s\n", it->second->name);
}
}
assert(smem_tell(st) == (temp + size));
}
return 1;
}