sigh

code/__DEFINES/_flags/_flags.dm

@@ -138,14 +138,6 @@ GLOBAL_LIST_INIT(bitflags, list(1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 204
 #define MOBILITY_FLAGS_DEFAULT (MOBILITY_MOVE | MOBILITY_STAND | MOBILITY_PICKUP | MOBILITY_USE | MOBILITY_UI | MOBILITY_STORAGE | MOBILITY_PULL | MOBILITY_RESIST)
 #define MOBILITY_FLAGS_ANY_INTERACTION (MOBILITY_USE | MOBILITY_PICKUP | MOBILITY_UI | MOBILITY_STORAGE)
 
-// melee_attack_chain() attackchain_flags
-/// The attack is from a parry counterattack.
-#define ATTACKCHAIN_PARRY_COUNTERATTACK			(1<<0)
-
-// UnarmedAttack() flags
-/// Attack is from a parry counterattack
-#define UNARMED_ATTACK_PARRY					(1<<0)
-
 /// If the thing can reflect light (lasers/energy)
 #define RICOCHET_SHINY			(1<<0)
 /// If the thing can reflect matter (bullets/bomb shrapnel)

code/__DEFINES/_flags/return_values.dm

@@ -0,0 +1,17 @@
+// melee_attack_chain() attackchain_flags
+/// The attack is from a parry counterattack.
+#define ATTACKCHAIN_PARRY_COUNTERATTACK			(1<<0)
+
+// melee_attack_chain(), attackby(), pre_attack(), afterattack(), and tool_act() return values.
+/// Stop the attack chain if still in melee_attack_chain()
+#define STOP_ATTACK_PROC_CHAIN					(1<<0)
+/// This attack should discard last_action instead of flushing (storing) it). You should probably know what you're doing if you use this considering this is how clickdelay is enforced.
+#define DISCARD_LAST_ACTION						(1<<1)
+
+// UnarmedAttack() flags
+/// Attack is from a parry counterattack
+#define UNARMED_ATTACK_PARRY					(1<<0)
+
+// obj/item/dropped()
+/// dropped() relocated this item, return FALSE for doUnEquip.
+#define ITEM_RELOCATED_BY_DROPPED			"relocated_by_dropped"