fix: Fix unused variables in WW3D (TheSuperHackers#2629)

Author: Mauller

Dependencies/Utility/Utility/CppMacros.h

@@ -40,9 +40,11 @@
 #if __cplusplus >= 201703L
 #define REGISTER
 #define FALLTHROUGH [[fallthrough]]
+#define MAYBE_UNUSED [[maybe_unused]]
 #else
 #define REGISTER register
 #define FALLTHROUGH
+#define MAYBE_UNUSED
 #endif
 
 // noexcept for methods of IUNKNOWN interface

Generals/Code/Libraries/Source/WWVegas/WW3D2/ww3d.cpp

@@ -278,8 +278,9 @@ WW3DErrorType WW3D::Init(void *hwnd, char *defaultpal, bool lite)
 	WWDEBUG_SAY(("Allocate Debug Resources"));
 	Allocate_Debug_Resources();
 
- 	MMRESULT r=timeBeginPeriod(1);
+	MAYBE_UNUSED MMRESULT r=timeBeginPeriod(1);
 	WWASSERT(r==TIMERR_NOERROR);
+	(void)r;
 
 	/*
 	** Initialize the dazzle system
@@ -336,8 +337,9 @@ WW3DErrorType WW3D::Shutdown()
 #endif //WW3D_DX8
 
 	//restore the previous timer resolution
-	MMRESULT r=timeEndPeriod(1);
+	MAYBE_UNUSED MMRESULT r=timeEndPeriod(1);
 	WWASSERT(r==TIMERR_NOERROR);
+	(void)r;
 	/*
 	** Free memory in predictive LOD optimizer
 	*/

GeneralsMD/Code/Libraries/Source/WWVegas/WW3D2/ww3d.cpp

@@ -279,8 +279,9 @@ WW3DErrorType WW3D::Init(void *hwnd, char *defaultpal, bool lite)
 	WWDEBUG_SAY(("Allocate Debug Resources"));
 	Allocate_Debug_Resources();
 
- 	MMRESULT r=timeBeginPeriod(1);
+	MAYBE_UNUSED MMRESULT r=timeBeginPeriod(1);
 	WWASSERT(r==TIMERR_NOERROR);
+	(void)r;
 
 	/*
 	** Initialize the dazzle system
@@ -337,8 +338,9 @@ WW3DErrorType WW3D::Shutdown()
 #endif //WW3D_DX8
 
 	//restore the previous timer resolution
-	MMRESULT r=timeEndPeriod(1);
+	MAYBE_UNUSED MMRESULT r=timeEndPeriod(1);
 	WWASSERT(r==TIMERR_NOERROR);
+	(void)r;
 	/*
 	** Free memory in predictive LOD optimizer
 	*/