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System: Don't strip subdirectories when reading exe 

Fixes getting hashes for cheevos in games such as Metal Gear Solid -
Integral.
This commit is contained in:
Connor McLaughlin 2021-03-02 01:37:25 +10:00
parent f6b8e2121b
commit c7a4efc395
1 changed files with 33 additions and 18 deletions
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51
src/core/system.cpp
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@ -420,7 +420,7 @@ std::string GetGameCodeForImage(CDImage* cdi)
return code;
}
static std::string GetExecutableNameForImage(CDImage* cdi, ISOReader& iso)
static std::string GetExecutableNameForImage(CDImage* cdi, ISOReader& iso, bool strip_subdirectories)
{
// Read SYSTEM.CNF
std::vector<u8> system_cnf_data;
@ -469,19 +469,34 @@ static std::string GetExecutableNameForImage(CDImage* cdi, ISOReader& iso)
if (iter == lines.end())
return {};
// cdrom:\SCES_123.45;1
std::string code = iter->second;
std::string::size_type pos = code.rfind('\\');
if (pos != std::string::npos)
std::string::size_type pos;
if (strip_subdirectories)
{
code.erase(0, pos + 1);
// cdrom:\SCES_123.45;1
pos = code.rfind('\\');
if (pos != std::string::npos)
{
code.erase(0, pos + 1);
}
else
{
// cdrom:SCES_123.45;1
pos = code.rfind(':');
if (pos != std::string::npos)
code.erase(0, pos + 1);
}
}
else
{
// cdrom:SCES_123.45;1
pos = code.rfind(':');
if (pos != std::string::npos)
code.erase(0, pos + 1);
if (code.compare(0, 6, "cdrom:") == 0)
code.erase(0, 6);
else
Log_WarningPrintf("Unknown prefix in executable path: '%s'", code.c_str());
// remove leading slashes
while (code[0] == '/' || code[0] == '\\')
code.erase(0, 1);
}
// strip off ; or version number
@ -498,7 +513,7 @@ std::string GetExecutableNameForImage(CDImage* cdi)
if (!iso.Open(cdi, 1))
return {};
return GetExecutableNameForImage(cdi, iso);
return GetExecutableNameForImage(cdi, iso, true);
}
bool ReadExecutableFromImage(CDImage* cdi, std::string* out_executable_name, std::vector<u8>* out_executable_data)
@ -509,19 +524,20 @@ bool ReadExecutableFromImage(CDImage* cdi, std::string* out_executable_name, std
bool result = false;
std::string executable_name(GetExecutableNameForImage(cdi, iso));
if (!executable_name.empty())
std::string executable_path(GetExecutableNameForImage(cdi, iso, false));
Log_DevPrintf("Executable path: '%s'", executable_path.c_str());
if (!executable_path.empty())
{
result = iso.ReadFile(executable_name.c_str(), out_executable_data);
result = iso.ReadFile(executable_path.c_str(), out_executable_data);
if (!result)
Log_ErrorPrintf("Failed to read executable '%s' from disc", executable_name.c_str());
Log_ErrorPrintf("Failed to read executable '%s' from disc", executable_path.c_str());
}
if (!result)
{
// fallback to PSX.EXE
executable_name = "PSX.EXE";
result = iso.ReadFile(executable_name.c_str(), out_executable_data);
executable_path = "PSX.EXE";
result = iso.ReadFile(executable_path.c_str(), out_executable_data);
if (!result)
Log_ErrorPrint("Failed to read fallback PSX.EXE from disc");
}
@ -530,7 +546,7 @@ bool ReadExecutableFromImage(CDImage* cdi, std::string* out_executable_name, std
return false;
if (out_executable_name)
*out_executable_name = std::move(executable_name);
*out_executable_name = std::move(executable_path);
return true;
}
@ -1866,7 +1882,6 @@ void UpdateMultitaps()
}
}
bool DumpRAM(const char* filename)
{
if (!IsValid())