buffs shoving (#12925)

* ^w^

* ok

* ok

code/__DEFINES/combat.dm

@@ -154,9 +154,10 @@
 #define SHOVE_KNOCKDOWN_HUMAN 30
 #define SHOVE_KNOCKDOWN_TABLE 30
 #define SHOVE_KNOCKDOWN_COLLATERAL 10
-//for the shove slowdown, see __DEFINES/movespeed_modification.dm
-#define SHOVE_SLOWDOWN_LENGTH 30
-#define SHOVE_SLOWDOWN_STRENGTH 0.85 //multiplier
+/// how long they're staggered for
+#define SHOVE_STAGGER_DURATION 35
+/// how long they're off balance for
+#define SHOVE_OFFBALANCE_DURATION 30
 //Shove disarming item list
 GLOBAL_LIST_INIT(shove_disarming_types, typecacheof(list(
 	/obj/item/gun)))

code/__DEFINES/movespeed_modification.dm

@@ -63,7 +63,6 @@
 #define MOVESPEED_ID_TASED_STATUS						"TASED"
 #define MOVESPEED_ID_ELECTROSTAFF						"ELECTROSTAFF"
 
-#define MOVESPEED_ID_SHOVE 								"SHOVE"
 #define MOVESPEED_ID_FAT                                "FAT"
 #define MOVESPEED_ID_COLD                               "COLD"
 #define MOVESPEED_ID_HUNGRY                             "HUNGRY"

code/__DEFINES/status_effects.dm

@@ -111,6 +111,9 @@
 
 #define STATUS_EFFECT_LIMP /datum/status_effect/limp //For when you have a busted leg (or two!) and want additional slowdown when walking on that leg
 
+/// shoves inflict this to indicate the next shove while this is in effect should disarm guns
+#define STATUS_EFFECT_OFF_BALANCE /datum/status_effect/off_balance
+
 /////////////
 // NEUTRAL //
 /////////////