Merge pull request #427 from Shadowfire117/master

Feeder

code/game/machinery/feeder.dm

@@ -0,0 +1,127 @@
+/obj/machinery/feeder
+	name = "\improper Feeder"
+	icon = 'icons/obj/feeder.dmi'
+	anchored = 0
+	density = 0
+
+
+/obj/machinery/feeder/var/mob/living/carbon/human/attached = null
+/obj/machinery/feeder/var/obj/item/weapon/reagent_containers/beaker = null
+
+/obj/machinery/feeder/update_icon()
+	if(attached)
+		icon_state = "feeding"
+	else
+		icon_state = ""
+
+	overlays = null
+
+	if(beaker)
+		var/datum/reagents/reagents = beaker.reagents
+		if(reagents.total_volume)
+			var/image/filling = image('icons/obj/feeder.dmi', src, "reagent")
+
+			var/percent = round((reagents.total_volume / beaker.volume) * 100)
+			switch(percent)
+				if(0 to 9)		filling.icon_state = "reagent0"
+				if(10 to 19) 	filling.icon_state = "reagent10"
+				if(20 to 44)	filling.icon_state = "reagent20"
+				if(45 to 59)	filling.icon_state = "reagent45"
+				if(60 to 74)	filling.icon_state = "reagent60"
+				if(75 to 89)	filling.icon_state = "reagent75"
+				if(90 to 94)	filling.icon_state = "reagent90"
+				if(95 to INFINITY)	filling.icon_state = "reagent100"
+
+			filling.icon += reagents.get_color()
+			overlays += filling
+
+/obj/machinery/feeder/MouseDrop(over_object, src_location, over_location)
+	..()
+	if(!isliving(usr))
+		return
+
+	if(attached)
+		visible_message("The feeding tube is pulled out of [attached]")
+		attached = null
+		update_icon()
+		return
+
+	if(in_range(src, usr) && ishuman(over_object) && get_dist(over_object, src) <= 1)
+		visible_message("[usr] inserts the feeding tube into \the [over_object].")
+		attached = over_object
+		update_icon()
+
+
+/obj/machinery/feeder/attackby(obj/item/weapon/W as obj, mob/user as mob)
+	if(istype(W, /obj/item/weapon/reagent_containers))
+		if(!isnull(beaker))
+			user << "There is already a reagent container inserted!"
+			return
+
+		user.drop_item()
+		W.loc = src
+		beaker = W
+		user << "You insert \the [W] into \the [src]."
+		update_icon()
+		return
+
+	if(istype(W, /obj/item/weapon/screwdriver))
+		playsound(src, W.usesound, 50, 1)
+		user << "<span class='notice'>You start to dismantle the feeder.</span>"
+		if(do_after(user, 15))
+			user << "<span class='notice'>You dismantle the feeder.</span>"
+			var/obj/item/stack/material/plastic/A = new /obj/item/stack/material/plastic(src.loc)
+			A.amount = 4
+			if(beaker)
+				beaker.loc = get_turf(src)
+				beaker = null
+			qdel(src)
+		return
+	else
+		return ..()
+
+
+/obj/machinery/feeder/process()
+	set background = 1
+
+	if(attached)
+
+		if(!(get_dist(src, attached) <= 1 && isturf(attached.loc)))
+			visible_message("The tube is pulled out of [attached]")
+			attached = null
+			update_icon()
+			return
+
+	if(attached && beaker)
+		// Give food
+		if(beaker.volume > 0)
+			var/transfer_amount = 2
+			beaker.reagents.trans_to_mob(attached, transfer_amount, CHEM_INGEST)
+			update_icon()
+
+/obj/machinery/feeder/attack_hand(mob/user as mob)
+	if(beaker)
+		beaker.loc = get_turf(src)
+		beaker = null
+		update_icon()
+	else
+		return ..()
+
+/obj/machinery/feeder/examine(mob/user)
+	..(user)
+	if(!(user in view(2)) && user != src.loc) return
+
+	if(beaker)
+		if(beaker.reagents && beaker.reagents.reagent_list.len)
+			usr << "<span class='notice'>Inserted is \a [beaker] with [beaker.reagents.total_volume] units of liquid.</span>"
+		else
+			usr << "<span class='notice'>Inserted is an empty [beaker].</span>"
+	else
+		usr << "<span class='notice'>No container is inserted.</span>"
+
+	usr << "<span class='notice'>[attached ? attached : "No one"] is being feed by it.</span>"
+
+/obj/machinery/feeder/CanPass(atom/movable/mover, turf/target, height = 0, air_group = 0)
+	if(height && istype(mover) && mover.checkpass(PASSTABLE)) //allow bullets, beams, thrown objects, mice, drones, and the like through.
+		return 1
+	return ..()