X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Flibgame%2Fsystem.h;h=f39eb1b1a546d4ab450160a008819f5562a0a2f3;hb=d42e0a36609c7990f8b9f6fcd80f37f65bcf5149;hp=af6b95a259e841b9775811103dd640ad1317be01;hpb=5dd3c868d9df906623a5fc0ff2124655a14e3715;p=rocksndiamonds.git

diff --git a/src/libgame/system.h b/src/libgame/system.h
index af6b95a2..f39eb1b1 100644
--- a/src/libgame/system.h
+++ b/src/libgame/system.h
@@ -116,6 +116,11 @@
 				 (x) == MV_RIGHT ? MV_BIT_RIGHT :	\
 				 (x) == MV_UP    ? MV_BIT_UP    : MV_BIT_DOWN)
 
+#define MV_DIR_OPPOSITE(x)	((x) == MV_LEFT  ? MV_RIGHT :		\
+				 (x) == MV_RIGHT ? MV_LEFT  :		\
+				 (x) == MV_UP    ? MV_DOWN  :		\
+				 (x) == MV_DOWN  ? MV_UP    : MV_NO_MOVING)
+
 
 /* values for animation mode (frame order and direction) */
 #define ANIM_NONE		0
@@ -251,8 +256,8 @@
 #define SETUP_FILENAME		"setup.cnf"
 #define LEVELSETUP_FILENAME	"lvlsetup.cnf"
 #define EDITORSETUP_FILENAME	"edsetup.cnf"
-#define HELPANIM_FILENAME	"helpanim.conf"
-#define HELPTEXT_FILENAME	"helptext.conf"
+#define HELPANIM_FILENAME	"helpanim.cnf"
+#define HELPTEXT_FILENAME	"helptext.cnf"
 #define LEVELINFO_FILENAME	"lvlinfo.cnf"
 #define GRAPHICSINFO_FILENAME	"gfxinfo.cnf"
 #define SOUNDSINFO_FILENAME	"sndinfo.cnf"