Merge pull request #9505 from Thalpy/Smartdart-QoL

[READY] Tweaks smartdarts with a few quality of life functions, and add a few new things.

code/modules/reagents/chemistry/machinery/chem_master.dm

@@ -384,6 +384,38 @@
 				adjust_item_drop_location(P)
 				reagents.trans_to(P, vol_part)
 			. = TRUE
+
+		if("createDart")
+			for(var/datum/reagent/R in reagents.reagent_list)
+				if(!(istype(R, /datum/reagent/medicine)))
+					visible_message("<b>The [src]</b> beeps, \"<span class='warning'>SmartDarts are insoluble with non-medicinal compounds.\"</span>")
+					return
+
+			var/many = params["many"]
+			if(reagents.total_volume == 0)
+				return
+			var/amount = 1
+			var/vol_each = min(reagents.total_volume, 20)
+			if(text2num(many))
+				amount = CLAMP(round(input(usr, "Max 10. Buffer content will be split evenly.", "How many darts?", amount) as num|null), 0, 10)
+				if(!amount)
+					return
+				vol_each = min(reagents.total_volume / amount, 20)
+
+			var/name = stripped_input(usr,"Name:","Name your SmartDart!", "[reagents.get_master_reagent_name()] ([vol_each]u)", MAX_NAME_LEN)
+			if(!name || !reagents.total_volume || !src || QDELETED(src) || !usr.canUseTopic(src, !issilicon(usr)))
+				return
+
+			var/obj/item/reagent_containers/syringe/dart/D
+			for(var/i = 0; i < amount; i++)
+				D = new /obj/item/reagent_containers/syringe/dart(drop_location())
+				D.name = trim("[name] SmartDart")
+				adjust_item_drop_location(D)
+				reagents.trans_to(D, vol_each)
+				D.mode=!mode
+				D.update_icon()
+			. = TRUE
+
 		//END CITADEL ADDITIONS
 		if("analyzeBeak")
 			var/datum/reagent/R = GLOB.chemical_reagents_list[params["id"]]

code/modules/reagents/reagent_containers/syringes.dm

@@ -104,7 +104,7 @@
 				var/trans = target.reagents.trans_to(src, amount_per_transfer_from_this) // transfer from, transfer to - who cares?
 
 				to_chat(user, "<span class='notice'>You fill [src] with [trans] units of the solution. It now contains [reagents.total_volume] units.</span>")
-			if (reagents.total_volume >= reagents.maximum_volume)
+			if (round(reagents.total_volume, 0.1) >= reagents.maximum_volume)
 				mode=!mode
 				update_icon()
 
@@ -307,7 +307,7 @@
 				var/trans = target.reagents.trans_to(src, amount_per_transfer_from_this)
 
 				to_chat(user, "<span class='notice'>You soak the [src] with [trans] units of the solution. It now contains [reagents.total_volume] units.</span>")
-			if (reagents.total_volume >= reagents.maximum_volume)
+			if (round(reagents.total_volume,1) >= reagents.maximum_volume)
 				mode=!mode
 				update_icon()
 
@@ -323,8 +323,9 @@
 
 	rounded_vol = "empty"
 	if(reagents && reagents.total_volume)
-		if(volume/reagents.total_volume == 1)
+		if(volume/round(reagents.total_volume, 1) == 1)
 			rounded_vol="full"
+			mode = SYRINGE_INJECT
 
 	icon_state = "[rounded_vol]"
 	item_state = "syringe_[rounded_vol]"