added new animation mode (modifier) 'once' for global animations

[rocksndiamonds.git] / src / libgame / system.h

diff --git a/src/libgame/system.h b/src/libgame/system.h
index 1ad2f70956bc0fc70cb64eee63d42c04f0e9b22e..97acf9340534e210dc596a1f3ac760c2b7637e19 100644 (file)
--- a/src/libgame/system.h
+++ b/src/libgame/system.h
@@ -225,6 +225,7 @@
                                 MV_NONE)
 
 /* values for animation mode (frame order and direction) */
+/* (stored in level files -- never change existing values) */
 #define ANIM_NONE              0
 #define ANIM_LOOP              (1 << 0)
 #define ANIM_LINEAR            (1 << 1)
@@ -238,11 +239,13 @@
 #define ANIM_OPAQUE_PLAYER     (1 << 9)
 
 /* values for special (non game element) animation modes */
+/* (not stored in level files -- can be changed, if needed) */
 #define ANIM_HORIZONTAL                (1 << 10)
 #define ANIM_VERTICAL          (1 << 11)
 #define ANIM_CENTERED          (1 << 12)
 #define ANIM_STATIC_PANEL      (1 << 13)
 #define ANIM_ALL               (1 << 14)
+#define ANIM_ONCE              (1 << 15)
 
 #define ANIM_DEFAULT           ANIM_LOOP