fix windows build scripts, add windows opus support

tier1/interface.cpp

@@ -182,7 +182,7 @@ static HMODULE InternalLoadLibrary( const char *pName, Sys_Flags flags )
 		return LoadLibraryEx( pName, NULL, LOAD_WITH_ALTERED_SEARCH_PATH );
 #endif
 }
-unsigned ThreadedLoadLibraryFunc( void *pParam )
+uintp ThreadedLoadLibraryFunc( void *pParam )
 {
 	ThreadedLoadLibaryContext_t *pContext = (ThreadedLoadLibaryContext_t*)pParam;
 	pContext->m_hLibrary = InternalLoadLibrary( pContext->m_pLibraryName, SYS_NOFLAGS );
@@ -229,7 +229,7 @@ HMODULE Sys_LoadLibrary( const char *pLibraryName, Sys_Flags flags )
 	context.m_pLibraryName = str;
 	context.m_hLibrary = 0;
 
-	ThreadHandle_t h = CreateSimpleThread( ThreadedLoadLibraryFunc, &context );
+	ThreadHandle_t h = CreateSimpleThread( (ThreadFunc_t)ThreadedLoadLibraryFunc, &context );
 
 #ifdef _X360
 	ThreadSetAffinity( h, XBOX_PROCESSOR_3 );
@@ -238,7 +238,7 @@ HMODULE Sys_LoadLibrary( const char *pLibraryName, Sys_Flags flags )
 	unsigned int nTimeout = 0;
 	while( ThreadWaitForObject( h, true, nTimeout ) == TW_TIMEOUT )
 	{
-		nTimeout = threadFunc();
+		nTimeout = threadFunc(0);
 	}
 
 	ReleaseThreadHandle( h );

tier1/processor_detect.cpp

@@ -13,6 +13,13 @@ bool CheckSSETechnology(void) { return false; }
 bool CheckSSE2Technology(void) { return false; }
 bool Check3DNowTechnology(void) { return false; }
 
+#elif defined( _WIN32 ) && defined( PLATFORM_64BITS )
+
+bool CheckMMXTechnology(void) { return true; }
+bool CheckSSETechnology(void) { return true; }
+bool CheckSSE2Technology(void) { return true; }
+bool Check3DNowTechnology(void) { return false; }
+
 #elif defined( _WIN32 ) && !defined( _X360 )
 
 #pragma optimize( "", off )

tier1/strtools_unicode.cpp

@@ -11,7 +11,7 @@
 #include "tier1/strtools.h"
 
 // This code was copied from steam
-#define DbgAssert Assert
+// #define DbgAssert Assert
 
 //-----------------------------------------------------------------------------
 // Purpose: determine if a uchar32 represents a valid Unicode code point

tier1/wscript

@@ -15,7 +15,6 @@ def configure(conf):
 	conf.env.append_unique('DEFINES', ['TIER1_STATIC_LIB=1'])
 
 def build(bld):
-	print(bld)
 	source = [
 		'../utils/lzma/C/LzmaDec.c',
 		'bitbuf.cpp',