Compile files as C (#527)

* Compile files as C

* Provide fallback for qmemcpy

Enable C compilation for:
Source/gendung.cpp
Source/inv.cpp
Source/minitext.cpp
Source/pack.cpp

MakefileVC

@@ -58,7 +58,7 @@ DIABLO_SRC += Source/render.cpp
 OBJS=$(DIABLO_SRC:.cpp=.obj)
 # hardcoded list of src files, because only some of them are ready to be compiled as C instead of C++
 # once all files compile as C we should use the /TC flag abd DIABLO_SRC instead
-DIABLO_SRC_FIXED = Source/appfat.cpp Source/automap.cpp Source/capture.cpp /TcSource/codec.cpp Source/control.cpp Source/cursor.cpp /TcSource/dead.cpp Source/debug.cpp Source/diablo.cpp Source/doom.cpp Source/drlg_l1.cpp Source/drlg_l2.cpp Source/drlg_l3.cpp Source/drlg_l4.cpp Source/dthread.cpp Source/dx.cpp Source/effects.cpp Source/encrypt.cpp Source/engine.cpp Source/error.cpp Source/fault.cpp /TcSource/gamemenu.cpp Source/gendung.cpp Source/gmenu.cpp /TcSource/help.cpp Source/init.cpp Source/interfac.cpp Source/inv.cpp Source/items.cpp Source/lighting.cpp Source/loadsave.cpp Source/logging.cpp Source/mainmenu.cpp Source/minitext.cpp Source/missiles.cpp Source/monster.cpp Source/movie.cpp Source/mpqapi.cpp Source/msg.cpp Source/msgcmd.cpp Source/multi.cpp Source/nthread.cpp Source/objects.cpp Source/pack.cpp Source/palette.cpp /TcSource/path.cpp Source/pfile.cpp Source/player.cpp /TcSource/plrmsg.cpp /TcSource/portal.cpp Source/quests.cpp /TcSource/restrict.cpp Source/scrollrt.cpp Source/setmaps.cpp /TcSource/sha.cpp Source/sound.cpp Source/spells.cpp Source/stores.cpp Source/sync.cpp /TcSource/textdat.cpp Source/themes.cpp Source/tmsg.cpp Source/town.cpp Source/towners.cpp /TcSource/track.cpp /TcSource/trigs.cpp Source/wave.cpp Source/render.cpp
+DIABLO_SRC_FIXED = Source/appfat.cpp /TcSource/automap.cpp Source/capture.cpp /TcSource/codec.cpp Source/control.cpp /TcSource/cursor.cpp /TcSource/dead.cpp /TcSource/debug.cpp Source/diablo.cpp /TcSource/doom.cpp /TcSource/drlg_l1.cpp /TcSource/drlg_l2.cpp Source/drlg_l3.cpp /TcSource/drlg_l4.cpp Source/dthread.cpp Source/dx.cpp Source/effects.cpp /TcSource/encrypt.cpp Source/engine.cpp /TcSource/error.cpp Source/fault.cpp /TcSource/gamemenu.cpp /TcSource/gendung.cpp /TcSource/gmenu.cpp /TcSource/help.cpp Source/init.cpp /TcSource/interfac.cpp /TcSource/inv.cpp Source/items.cpp Source/lighting.cpp /TcSource/loadsave.cpp Source/logging.cpp Source/mainmenu.cpp /TcSource/minitext.cpp Source/missiles.cpp Source/monster.cpp Source/movie.cpp Source/mpqapi.cpp Source/msg.cpp Source/msgcmd.cpp Source/multi.cpp Source/nthread.cpp Source/objects.cpp /TcSource/pack.cpp Source/palette.cpp /TcSource/path.cpp Source/pfile.cpp /TcSource/player.cpp /TcSource/plrmsg.cpp /TcSource/portal.cpp /TcSource/quests.cpp /TcSource/restrict.cpp Source/scrollrt.cpp /TcSource/setmaps.cpp /TcSource/sha.cpp Source/sound.cpp /TcSource/spells.cpp Source/stores.cpp /TcSource/sync.cpp /TcSource/textdat.cpp /TcSource/themes.cpp /TcSource/tmsg.cpp /TcSource/town.cpp /TcSource/towners.cpp /TcSource/track.cpp /TcSource/trigs.cpp Source/wave.cpp Source/render.cpp
 
 PKWARE_SRC=$(sort $(wildcard 3rdParty/PKWare/*.cpp))
 PKWARE_OBJS=$(PKWARE_SRC:.cpp=.obj)

Source/interfac.cpp

@@ -3,7 +3,6 @@
 #include "../types.h"
 
 void *sgpBackCel;
-static float interfac_cpp_init_value = INFINITY;
 int sgdwProgress;
 int progress_id; // idb
 

Source/pack.cpp

@@ -2,8 +2,6 @@
 
 #include "../types.h"
 
-static float pack_cpp_init_value = INFINITY;
-
 void __fastcall PackPlayer(PkPlayerStruct *pPack, int pnum, BOOL manashield)
 {
 	PlayerStruct *pPlayer; // edi

Source/player.cpp

@@ -5,7 +5,6 @@
 int plr_lframe_size;
 int plr_wframe_size;
 UCHAR plr_gfx_flag = 0;
-static float player_cpp_init_value = INFINITY;
 int plr_aframe_size;
 int myplr;
 PlayerStruct plr[MAX_PLRS];

defs.h

@@ -206,6 +206,8 @@ char __OFSUB__(T x, U y)
 	}
 }
 
+#else
+#define qmemcpy memcpy
 #endif
 
 #endif /* IDA_GARBAGE */