From 97c2c8a094743e6943e94695faedf83732f60e6a Mon Sep 17 00:00:00 2001
From: Silent <zdanio95@gmail.com>
Date: Wed, 23 Oct 2024 21:52:25 +0200
Subject: [PATCH] Work around libflac linking issues with v141_xp

---
 SilentPatchSA/AudioHardwareSA.cpp | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/SilentPatchSA/AudioHardwareSA.cpp b/SilentPatchSA/AudioHardwareSA.cpp
index 650dc67..40430c8 100644
--- a/SilentPatchSA/AudioHardwareSA.cpp
+++ b/SilentPatchSA/AudioHardwareSA.cpp
@@ -6,6 +6,28 @@ bool			CAEDataStream::m_bUseNewStruct;
 static void* CAEDataStream__Initialise = AddressByVersion<void*>(0x4DC2B0, 0x4DC7A0, 0x4E7550);
 WRAPPER bool CAEDataStream::Initialise() { VARJMP(CAEDataStream__Initialise); }
 
+// Work around libflac linking issues with older MSVC
+#if _MSC_VER < 1930
+
+extern "C" unsigned long __declspec(naked)  _dtoul3_legacy(const double x) {
+	_asm
+	{
+		cvtsd2si	eax, xmm0
+		xor			edx, edx
+		retn
+	}
+}
+
+extern "C" __declspec(naked) float _ltof3(long x) {
+	_asm
+	{
+		cvtsi2ss	xmm0, ecx
+		retn
+	}
+}
+
+#endif
+
 DWORD CAEDataStreamOld::Seek(LONG nToSeek, DWORD nPoint)
 {
 	LARGE_INTEGER filePosition;