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Make it possible to add new sections optionally.

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Unknown W. Brackets 2013-09-15 07:58:52 -07:00
parent bcf3d534b0
commit 887a61ae56
2 changed files with 34 additions and 5 deletions
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35
Common/ChunkFile.h
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@ -161,10 +161,24 @@ public:
// The returned object can be compared against the version that was loaded.
// This can be used to support versions as old as minVer.
// Version = 0 means the section was not found.
PointerWrapSection Section(const char *title, int minVer, int ver) {
char marker[16] = {0};
int foundVersion = ver;
Do(foundVersion);
DoMarker(title);
strncpy(marker, title, sizeof(marker));
if (!ExpectVoid(marker, sizeof(marker)))
{
// Might be before we added name markers for safety.
if (foundVersion == 1 && ExpectVoid(&foundVersion, sizeof(foundVersion)))
DoMarker(title);
// Wasn't found, but maybe we can still load the state.
else
foundVersion = 0;
}
else
Do(foundVersion);
if (error == ERROR_FAILURE || foundVersion < minVer || foundVersion > ver) {
WARN_LOG(COMMON, "Savestate failure: wrong version %d found for %s", foundVersion, title);
SetError(ERROR_FAILURE);
@ -184,6 +198,19 @@ public:
mode = PointerWrap::MODE_MEASURE;
}
bool ExpectVoid(void *data, int size)
{
switch (mode) {
case MODE_READ: if (memcmp(data, *ptr, size) != 0) return false; break;
case MODE_WRITE: memcpy(*ptr, data, size); break;
case MODE_MEASURE: break; // MODE_MEASURE - don't need to do anything
case MODE_VERIFY: for(int i = 0; i < size; i++) _dbg_assert_msg_(COMMON, ((u8*)data)[i] == (*ptr)[i], "Savestate verification failure: %d (0x%X) (at %p) != %d (0x%X) (at %p).\n", ((u8*)data)[i], ((u8*)data)[i], &((u8*)data)[i], (*ptr)[i], (*ptr)[i], &(*ptr)[i]); break;
default: break; // throw an error?
}
(*ptr) += size;
return true;
}
void DoVoid(void *data, int size)
{
switch (mode) {
@ -621,7 +648,9 @@ public:
};
inline PointerWrapSection::~PointerWrapSection() {
p_.DoMarker(title_);
if (ver_ > 0) {
p_.DoMarker(title_);
}
}

4
Core/Dialog/PSPGamedataInstallDialog.cpp
View File

@ -51,10 +51,10 @@ int PSPGamedataInstallDialog::Shutdown(bool force) {
}
void PSPGamedataInstallDialog::DoState(PointerWrap &p) {
PSPDialog::DoState(p);
auto s = p.Section("PSPGamedataInstallDialog", 1);
auto s = p.Section("PSPGamedataInstallDialog", 0, 1);
if (!s)
return;
PSPDialog::DoState(p);
p.Do(request);
}