Merge pull request #8778 from VOREStation/upstream-merge-7534

[MIRROR] Emergency Travis Appeasement: Sacrifice of one Giant Spider, one HMS Jolly Pip, and one Capital City sacked and looted by Cultists

code/modules/reagents/hoses/hose_connector.dm

@@ -0,0 +1,92 @@
+
+/obj/item/stack/hose
+	name = "plastic tubing"
+	singular_name = "plastic tube"
+	desc = "A non-reusable plastic tube for moving reagents to and fro. It looks flimsy."
+
+	description_info = "This tubing may be used to join two hose sockets, if able.<br>\
+	Clicking on an object with a connector, such as a water tank, will display a list of possible sockets.<br>\
+	Neutral can link to all socket types, and Input/Output sockets can link to all but their own type.<br><br>\
+	<span class='warning'>This hose does not stretch. The maximum distance you can move two objects from eachother\
+	without snapping the tube is determined by distance upon connection.</span>"
+
+	icon = 'icons/obj/machines/reagent.dmi'
+	icon_state = "hose"
+	origin_tech = list(TECH_MATERIAL = 2, TECH_ENGINEERING = 1)
+	amount = 1
+	w_class = ITEMSIZE_SMALL
+	no_variants = TRUE
+
+	var/obj/item/hose_connector/remembered = null
+
+/obj/item/stack/hose/Destroy()
+	remembered = null
+	..()
+
+/obj/item/stack/hose/CtrlClick(mob/user)
+	if(remembered)
+		to_chat(user, "<span class='notice'>You wind \the [src] back up.</span>")
+		remembered = null
+	return
+
+/obj/item/stack/hose/afterattack(var/atom/target, var/mob/living/user, proximity, params)
+	if(!proximity)
+		return
+
+	var/list/available_sockets = list()
+
+	for(var/obj/item/hose_connector/HC in target.contents)
+		if(!HC.my_hose)
+			if(remembered)
+				if(HC.flow_direction == HOSE_NEUTRAL || HC.flow_direction != remembered.flow_direction)
+					available_sockets |= HC
+
+			else
+				available_sockets |= HC
+
+	if(LAZYLEN(available_sockets))
+		if(available_sockets.len == 1)
+			var/obj/item/hose_connector/AC = available_sockets[1]
+			if(remembered && remembered.valid_connection(AC))
+				var/distancetonode = get_dist(remembered,AC)
+				if(distancetonode > world.view)
+					to_chat(user, "<span class='notice'>\The [src] would probably burst if it were this long.</span>")
+				else if(distancetonode <= amount)
+					to_chat(user, "<span class='notice'>You join \the [remembered] to \the [AC]</span>")
+					remembered.setup_hoses(AC)
+					use(distancetonode)
+					remembered = null
+				else
+					to_chat(user, "<span class='notice'>You do not have enough tubing to connect the sockets.</span>")
+
+			else
+				remembered = AC
+				to_chat(user, "<span class='notice'>You connect one end of tubing to \the [AC].</span>")
+
+		else
+			var/choice = input("Select a target hose connector.", "Socket Selection", null) as null|anything in available_sockets
+
+			if(choice)
+				var/obj/item/hose_connector/CC = choice
+				if(remembered)
+					if(remembered.valid_connection(CC))
+						var/distancetonode = get_dist(remembered, CC)
+						if(distancetonode > world.view)
+							to_chat(user, "<span class='notice'>\The [src] would probably burst if it were this long.</span>")
+						else if(distancetonode <= amount)
+							to_chat(user, "<span class='notice'>You join \the [remembered] to \the [CC]</span>")
+							remembered.setup_hoses(CC)
+							use(distancetonode)
+							remembered = null
+
+						else
+							to_chat(user, "<span class='notice'>You do not have enough tubing to connect the sockets.</span>")
+
+				else
+					remembered = CC
+					to_chat(user, "<span class='notice'>You connect one end of tubing to \the [CC].</span>")
+
+		return
+
+	else
+		..()