diff --git a/server/gameserver/constant.h b/server/gameserver/constant.h
index cce4fbbf..9d7fd3a4 100644
--- a/server/gameserver/constant.h
+++ b/server/gameserver/constant.h
@@ -440,6 +440,16 @@ enum BulletConsumeType_e
     kBulletConsumeMulti = 1,
 };
 
+enum SamplePolyFlags
+{
+    SAMPLE_POLYFLAGS_WALK                = 0x01,                // Ability to walk (ground, grass, road)
+    SAMPLE_POLYFLAGS_SWIM                = 0x02,                // Ability to swim (water).
+    SAMPLE_POLYFLAGS_DOOR                = 0x04,                // Ability to move through doors.
+    SAMPLE_POLYFLAGS_JUMP                = 0x08,                // Ability to jump.
+    SAMPLE_POLYFLAGS_DISABLED        = 0x10,                // Disabled polygon
+    SAMPLE_POLYFLAGS_ALL                = 0xffff        // All abilities.
+};
+
 enum MagicType_e
 {
    MAGIC_NONE = 0,