add regionfree.dll; gta3 and vc now ignore german and french specific…

… settings

build.cmd

@@ -15,3 +15,4 @@ cl /LD extradirfix.cpp /Feextradirfix.dll
 cl /LD overridecd.cpp /Feoverridecd.dll
 cl /LD portablegta.cpp /Feportablegta.dll
 cl /LD hydraulics.cpp /Fehydraulics.dll
+cl /LD regionfree.cpp /Feregionfree.dll

regionfree.cpp

@@ -0,0 +1,52 @@
+#include "windows.h"
+#include <stdint.h>
+typedef uintptr_t uintptr;
+#include "MemoryMgr.h"	// take from skygfx_vc
+
+typedef uint8_t uint8, uchar;
+typedef uint16_t uint16, ushort;
+typedef uint32_t uint32, uint;
+typedef uint64_t uint64;
+typedef int8_t int8;
+typedef int16_t int16;
+typedef int32_t int32;
+typedef int64_t int64;
+
+#define nil NULL
+#define FIELD(type, var, offset) *(type*)((uint8*)var + offset)
+
+int gtaversion = -1;
+
+void
+patchIII10(void)
+{
+	// don't set frenchGame and germanGame in
+	// CMenuManager::InitialiseChangedLanguageSettings
+	InjectHook(0x47A51B, 0x47A537, PATCH_JUMP);
+
+	// and additionally nastyGame, noProstitues and m_PrefsAllowNastyGame in
+	// InitialiseLanguage
+	InjectHook(0x5821C2, 0x582222, PATCH_JUMP);
+}
+
+void
+patchVC10(void)
+{
+	// same as patchIII10
+	InjectHook(0x4A38EC, 0x4A3948, PATCH_JUMP);
+	InjectHook(0x600B66, 0x600BA2, PATCH_JUMP);
+}
+
+BOOL WINAPI
+DllMain(HINSTANCE hInst, DWORD reason, LPVOID)
+{
+	if(reason == DLL_PROCESS_ATTACH){
+		AddressByVersion<uint32_t>(0, 0, 0, 0, 0, 0);
+		if (gtaversion == III_10)
+			patchIII10();
+		else if(gtaversion == VC_10)
+			patchVC10();
+	}
+
+	return TRUE;
+}