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Fix build number algo to use both methods #445

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Merged
lipsanen merged 2 commits into from
Jan 22, 2026
Merged

Fix build number algo to use both methods #445

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9074661
Fix build number algo to use both methods
thisis2838 Jan 19, 2026
4e8ca2e
Add SPT: prefix to spew and change one warning to be dev
thisis2838 Jan 22, 2026
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93 changes: 35 additions & 58 deletions spt/utils/game_detection.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -237,7 +237,6 @@ namespace utils
build_num -= 35739;
return build_num;
}
#ifndef SSDK2013
void StartBuildNumberSearch()
{
BuildResult = std::async(
Expand Down Expand Up @@ -266,74 +265,52 @@ namespace utils
{
const char* wholeString =
reinterpret_cast<const char*>(moduleStart) + match;
DevMsg("Found date string: %s\n", wholeString);
DevMsg("SPT: Found date string: %s\n", wholeString);
const char* date_str = wholeString + 20;
build_num = DateToBuildNumber(date_str);
}
else

if (match < 0 || build_num < 0)
{
Warning(
"Was unable to find date string! Build information not available\n");
#ifdef SSDK2013
DevWarning("SPT: Was unable to find date string! Trying fallback via version command...\n");

ConCommand_guts* versionCommand =
reinterpret_cast<ConCommand_guts*>(g_pCVar->FindCommand("version"));
int build_num = -1;

if (versionCommand)
{
uint8_t* buildNumPtrPtr =
reinterpret_cast<uint8_t*>(versionCommand->m_fnCommandCallback)
+ 3;

if (buildNumPtrPtr >= moduleStart && buildNumPtrPtr <= moduleEnd)
{
uint8_t* buildNumPtr =
*reinterpret_cast<uint8_t**>(buildNumPtrPtr);

if (buildNumPtr >= moduleStart && buildNumPtr <= moduleEnd)
{
build_num = *reinterpret_cast<int*>(buildNumPtr);
}
}
}
if (build_num >= 0)
{
return build_num;
}
#else
Warning("SPT: Was unable to find date string for build number!\n");
#endif
Warning("SPT: Build information not available\n");
}
}

return build_num;
});
}
#else
int GetBuildNumberViaVersionCommand(uint8_t* moduleStart, uint8_t* moduleEnd)
{
ConCommand_guts* versionCommand = reinterpret_cast<ConCommand_guts*>(g_pCVar->FindCommand("version"));
int build_num = -1;

if (versionCommand)
{
uint8_t* buildNumPtrPtr = reinterpret_cast<uint8_t*>(versionCommand->m_fnCommandCallback) + 3;

if (buildNumPtrPtr >= moduleStart && buildNumPtrPtr <= moduleEnd)
{
uint8_t* buildNumPtr = *reinterpret_cast<uint8_t**>(buildNumPtrPtr);

if (buildNumPtr >= moduleStart && buildNumPtr <= moduleEnd)
{
build_num = *reinterpret_cast<int*>(buildNumPtr);
}
}
}

if (build_num == -1)
{
Warning("Build information not available!\n");
}

return build_num;
}

void StartBuildNumberSearch()
{
BuildResult = std::async(std::launch::async,
[]()
{
void* handle;
uint8_t* moduleStart;
uint8_t* moduleEnd;
size_t moduleSize;
int build_num = -1;

if (MemUtils::GetModuleInfo(L"engine.dll",
&handle,
reinterpret_cast<void**>(&moduleStart),
&moduleSize))
{
moduleEnd = moduleStart + moduleSize;
build_num =
GetBuildNumberViaVersionCommand(moduleStart, moduleEnd);
}

return build_num;
});
}
#endif

bool DataInModule(void* ptr, size_t nBytes, void* modBase, size_t modSize)
{
Expand Down