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State sizes now calculated on game load. Thumbnail only displayed if in the ZST.

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This commit is contained in:
n-a-c-h
2005-02-01 13:38:19 +00:00
parent d7ccad2933
commit cc66b807b9
3 changed files with 52 additions and 18 deletions
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38
zsnes/src/cpu/zstate.c
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@@ -106,7 +106,7 @@ static unsigned int zst_version;
#define loading_old_state (!buffer && read && (zst_version == 60))
#define loading_state_no_sram (!buffer && read && !SRAMState)
void copy_state_data(unsigned char *buffer, void (*copy_func)(unsigned char **, void *, size_t), bool read)
static void copy_state_data(unsigned char *buffer, void (*copy_func)(unsigned char **, void *, size_t), bool read)
{
copy_snes_data(&buffer, copy_func);
@@ -226,6 +226,7 @@ void RestoreCVFrame()
extern unsigned int RewindPos, RewindOldPos, RewindTimer;
void InitRewindVars()
{
RewindPos = 0;
@@ -545,6 +546,37 @@ static void write_save_state_data(unsigned char **dest, void *data, size_t len)
static const char zst_header_old[] = "ZSNES Save State File V0.6\x1a\x3c";
static const char zst_header_cur[] = "ZSNES Save State File V143\x1a\x3c";
static size_t state_size;
static void state_size_tally(unsigned char **dest, void *src, size_t len)
{
state_size += len;
}
size_t rewind_state_size, cur_zst_size, old_zst_size;
void calculate_state_sizes()
{
state_size = 0;
copy_state_data(StateBackup, state_size_tally, false);
rewind_state_size = state_size;
state_size = 0;
zst_version = 143;
copy_state_data(0, state_size_tally, false);
cur_zst_size = state_size + sizeof(zst_header_cur)-1;
state_size = 0;
zst_version = 60;
copy_state_data(0, state_size_tally, true);
old_zst_size = state_size + sizeof(zst_header_old)-1;
/*
printf("Rewind size: %u; ZST v1.43 size: %u; ZST v0.60 size: %u\n"
"ZST sizes with thumbnails. v1.43 size: %u; v0.60 size: %u\n",
rewind_state_size, cur_zst_size, old_zst_size,
cur_zst_size + 64*56*sizeof(unsigned short), old_zst_size + 64*56*sizeof(unsigned short));
*/
}
void PrepareOffset()
{
Curtableaddr -= (unsigned int)tableA;
@@ -623,10 +655,10 @@ void statesaver()
if (cbitmode && !NoPictureSave)
{
CapturePicture();
fwrite(PrevPicture, 1, 64*56*2, fhandle);
fwrite(PrevPicture, 1, 64*56*sizeof(unsigned short), fhandle);
}
fclose (fhandle);
fclose(fhandle);
//Display message on the screen, 'STATE X SAVED.'
if (fnamest[statefileloc] == 't')