Merge branch 'master' into miami

# Conflicts:
#	src/animation/RpAnimBlend.cpp
#	src/audio/oal/stream.cpp
#	src/audio/sampman.h
#	src/control/Pickups.cpp
#	src/core/Collision.cpp
#	src/core/Collision.h
#	src/core/FileLoader.cpp
#	src/core/FileMgr.cpp
#	src/core/FileMgr.h
#	src/core/Streaming.cpp
#	src/core/Streaming.h
#	src/core/SurfaceTable.h
#	src/modelinfo/VehicleModelInfo.h
#	src/peds/Ped.cpp
#	src/rw/RwHelper.cpp
#	src/rw/RwHelper.h
#	src/skel/glfw/glfw.cpp
#	src/skel/platform.h
#	src/text/Text.cpp
#	src/text/Text.h
#	src/vehicles/CarGen.cpp
#	src/vehicles/Heli.cpp

src/rw/RwHelper.h

@@ -57,3 +57,11 @@ void _TexturePoolsInitialise();
 void _TexturePoolsShutdown();
 
 RpAtomic *ConvertPlatformAtomic(RpAtomic *atomic, void *data);
+
+#if defined(FIX_BUGS) && defined (GTA_PC)
+void SetAlphaTest(RwUInt32 alpharef);
+void RestoreAlphaTest();
+#else
+#define SetAlphaTest(a) (0)
+#define RestoreAlphaTest() (0)
+#endif