X-Git-Url: https://git.artsoft.org/?p=rocksndiamonds.git;a=blobdiff_plain;f=src%2Flibgame%2Fsystem.h;h=98b508606d7d85f33b6126edff2e335eef30eae5;hp=188b08119e9f7d044034ce338f9d63db53ae004e;hb=ec36fe263402351ac67b70400f11096a044365fe;hpb=9c0c633869d5db86bf7a7405d8b543497eb7ecb1

diff --git a/src/libgame/system.h b/src/libgame/system.h
index 188b0811..98b50860 100644
--- a/src/libgame/system.h
+++ b/src/libgame/system.h
@@ -99,13 +99,18 @@
 #define BUTTON_1		4
 #define BUTTON_2		5
 
-/* values for move direction and special "button" key bitmasks */
+/* values for move directions and special "button" key bitmasks */
 #define MV_NO_MOVING		0
 #define MV_LEFT			(1 << MV_BIT_LEFT)
 #define MV_RIGHT		(1 << MV_BIT_RIGHT)
 #define MV_UP			(1 << MV_BIT_UP)
 #define MV_DOWN	       		(1 << MV_BIT_DOWN)
 
+#define MV_HORIZONTAL		(MV_LEFT | MV_RIGHT)
+#define MV_VERTICAL		(MV_UP   | MV_DOWN)
+#define MV_ALL_DIRECTIONS	(MV_LEFT | MV_RIGHT | MV_UP | MV_DOWN)
+#define MV_ANY_DIRECTION	(MV_ALL_DIRECTIONS)
+
 #define KEY_BUTTON_1		(1 << BUTTON_1)
 #define KEY_BUTTON_2		(1 << BUTTON_2)
 #define KEY_MOTION		(MV_LEFT | MV_RIGHT | MV_UP | MV_DOWN)