added two defines CLICK_CD_RANGE and CLICK_CD_MELEE (4 and 8), replaced all changeNext_move() procs to use these two defines.

Added melee click cooldown for paper spam on cameras.

code/modules/events/spacevine.dm

@@ -248,7 +248,7 @@
 
 /obj/effect/spacevine/attackby(obj/item/weapon/W as obj, mob/user as mob)
 	if (!W || !user || !W.type) return
-	user.changeNext_move(8)
+	user.changeNext_move(CLICK_CD_MELEE)
 
 	var/override = 0
 

code/modules/mob/living/simple_animal/simple_animal.dm

@@ -398,7 +398,7 @@
 		if(istype(O, /obj/item/weapon/kitchenknife) || istype(O, /obj/item/weapon/butch))
 			harvest()
 	else
-		user.changeNext_move(8)
+		user.changeNext_move(CLICK_CD_MELEE)
 		if(O.force)
 			if(O.force >= force_threshold)
 				var/damage = O.force

code/modules/projectiles/firing.dm

@@ -10,7 +10,7 @@
 			return 0
 		if(i > 1)
 			newshot()
-	user.changeNext_move(4)
+	user.changeNext_move(CLICK_CD_RANGE)
 	update_icon()
 	return 1
 

code/modules/reagents/reagent_containers/spray.dm

@@ -57,7 +57,7 @@
 		qdel(D)
 
 	playsound(src.loc, 'sound/effects/spray2.ogg', 50, 1, -6)
-	user.changeNext_move(4)
+	user.changeNext_move(CLICK_CD_RANGE)
 
 	if(reagents.has_reagent("sacid"))
 		message_admins("[key_name_admin(user)] fired sulphuric acid from \a [src].")
@@ -217,7 +217,7 @@
 			qdel(D)
 
 	playsound(src.loc, 'sound/effects/spray2.ogg', 50, 1, -6)
-	user.changeNext_move(4)
+	user.changeNext_move(CLICK_CD_RANGE)
 
 	if(reagents.has_reagent("sacid"))
 		message_admins("[key_name_admin(user)] fired sulphuric acid from a chem sprayer.")