up to upstream-merge-27868

code/_onclick/autoclick.dm

@@ -1,5 +1,10 @@
 /client
 	var/list/atom/selected_target[2]
+	var/obj/item/active_mousedown_item = null
+	var/mouseParams = ""
+	var/mouseLocation = null
+	var/mouseObject = null
+	var/mouseControlObject = null
 
 /client/MouseDown(object, location, control, params)
 	var/delay = mob.CanMobAutoclick(object, location, params)
@@ -9,14 +14,26 @@
 		while(selected_target[1])
 			Click(selected_target[1], location, control, selected_target[2])
 			sleep(delay)
+	active_mousedown_item = mob.canMobMousedown(object, location, params)
+	if(active_mousedown_item)
+		active_mousedown_item.onMouseDown(object, location, params, mob)
 
 /client/MouseUp(object, location, control, params)
 	selected_target[1] = null
+	if(active_mousedown_item)
+		active_mousedown_item.onMouseUp(object, location, params, mob)
+		active_mousedown_item = null
 
 /client/MouseDrag(src_object,atom/over_object,src_location,over_location,src_control,over_control,params)
+	mouseParams = params
+	mouseLocation = over_location
+	mouseObject = over_object
+	mouseControlObject = over_control
 	if(selected_target[1] && over_object && over_object.IsAutoclickable())
 		selected_target[1] = over_object
 		selected_target[2] = params
+	if(active_mousedown_item)
+		active_mousedown_item.onMouseDrag(src_object, over_object, src_location, over_location, params, mob)
 
 /mob/proc/CanMobAutoclick(object, location, params)
 
@@ -27,8 +44,31 @@
 	if(h)
 		. = h.CanItemAutoclick(object, location, params)
 
+/mob/proc/canMobMousedown(object, location, params)
+
+/mob/living/carbon/canMobMousedown(atom/object, location, params)
+	var/obj/item/H = get_active_held_item()
+	if(H)
+		. = H.canItemMouseDown(object, location, params)
+
 /obj/item/proc/CanItemAutoclick(object, location, params)
 
+/obj/item/proc/canItemMouseDown(object, location, params)
+	if(canMouseDown)
+		return src
+
+/obj/item/proc/onMouseDown(object, location, params, mob)
+	return
+
+/obj/item/proc/onMouseUp(object, location, params, mob)
+	return
+
+/obj/item/proc/onMouseDrag(src_object, over_object, src_location, over_location, params, mob)
+	return
+
+/obj/item
+	var/canMouseDown = FALSE
+
 /obj/item/weapon/gun
 	var/automatic = 0 //can gun use it, 0 is no, anything above 0 is the delay between clicks in ds
 
@@ -42,4 +82,11 @@
 	. = 0
 
 /obj/screen/click_catcher/IsAutoclickable()
-	. = 1
+	. = 1
+
+//Please don't roast me too hard
+/client/MouseMove(object,location,control,params)
+	mouseParams = params
+	mouseLocation = location
+	mouseObject = object
+	mouseControlObject = control