Thoroughly flushes out every apparently obvious beaker drop exploit

This also updates the formatting on a few devices and updates them to
use forceMove()

code/modules/reagents/dartgun.dm

@@ -60,11 +60,11 @@
 /obj/item/weapon/gun/dartgun/examine(mob/user)
 	if(..(user, 2))
 		if(beakers.len)
-			user << "\blue [src] contains:"
+			user << "<span class='notice>[src] contains:</span>"
 			for(var/obj/item/weapon/reagent_containers/glass/beaker/B in beakers)
 				if(B.reagents && B.reagents.reagent_list.len)
 					for(var/datum/reagent/R in B.reagents.reagent_list)
-						user << "\blue [R.volume] units of [R.name]"
+						user << "<span class='notice>[R.volume] units of [R.name]</span>"
 
 /obj/item/weapon/gun/dartgun/attackby(obj/item/I as obj, mob/user as mob, params)
 	if(istype(I, /obj/item/weapon/dart_cartridge))
@@ -72,34 +72,36 @@
 		var/obj/item/weapon/dart_cartridge/D = I
 
 		if(!D.darts)
-			user << "\blue [D] is empty."
+			user << "<span class='warning'>[D] is empty.</span>"
 			return 0
 
 		if(cartridge)
 			if(cartridge.darts <= 0)
 				src.remove_cartridge()
 			else
-				user << "\blue There's already a cartridge in [src]."
+				user << "<span class='warning'>There's already a cartridge in [src].</span>"
 				return 0
 
 		user.drop_item()
 		cartridge = D
-		D.loc = src
-		user << "\blue You slot [D] into [src]."
+		D.forceMove(src)
+		user << "<span class='notice'>You slot [D] into [src].</span>"
 		update_icon()
 		return
 	if(istype(I, /obj/item/weapon/reagent_containers/glass))
 		if(!istype(I, container_type))
-			user << "\blue [I] doesn't seem to fit into [src]."
+			user << "<span class='warning'>[I] doesn't seem to fit into [src].</span>"
 			return
 		if(beakers.len >= max_beakers)
-			user << "\blue [src] already has [max_beakers] beakers in it - another one isn't going to fit!"
+			user << "<span class='warning'>[src] already has [max_beakers] beakers in it - another one isn't going to fit!</span>"
 			return
 		var/obj/item/weapon/reagent_containers/glass/beaker/B = I
-		user.drop_item()
-		B.loc = src
+		if(!user.drop_item())
+			user << "<span class='warning'>\The [B] is stuck to you!</span>"
+			return
+		B.forceMove(src)
 		beakers += B
-		user << "\blue You slot [B] into [src]."
+		user << "<span class='notice>You slot [B] into [src].</span>"
 		src.updateUsrDialog()
 
 /obj/item/weapon/gun/dartgun/can_fire()
@@ -113,9 +115,9 @@
 
 /obj/item/weapon/gun/dartgun/proc/remove_cartridge()
 	if(cartridge)
-		usr << "\blue You pop the cartridge out of [src]."
+		usr << "<span class='notice'>You pop the cartridge out of [src].</span>"
 		var/obj/item/weapon/dart_cartridge/C = cartridge
-		C.loc = get_turf(src)
+		C.forceMove(get_turf(src))
 		C.update_icon()
 		cartridge = null
 		src.update_icon()
@@ -143,10 +145,10 @@
 		var/obj/effect/syringe_gun_dummy/D = new/obj/effect/syringe_gun_dummy(get_turf(src))
 		var/obj/item/weapon/reagent_containers/syringe/S = get_mixed_syringe()
 		if(!S)
-			user << "\red There are no darts in [src]!"
+			user << "<span class='warning'>There are no darts in [src]!</span>"
 			return
 		if(!S.reagents)
-			user << "\red There are no reagents available!"
+			user << "<span class='warning'>There are no reagents available!</span>"
 			return
 		cartridge.darts--
 		src.update_icon()
@@ -269,10 +271,10 @@
 		if(index <= beakers.len)
 			if(beakers[index])
 				var/obj/item/weapon/reagent_containers/glass/beaker/B = beakers[index]
-				usr << "You remove [B] from [src]."
+				usr << "<span class='notice'>You remove [B] from [src].</span>"
 				mixing -= B
 				beakers -= B
-				B.loc = get_turf(src)
+				B.forceMove(get_turf(src))
 	else if (href_list["eject_cart"])
 		remove_cartridge()
 	src.updateUsrDialog()
@@ -282,7 +284,7 @@
 	if(cartridge)
 		spawn(0) fire_dart(target,user)
 	else
-		usr << "\red [src] is empty."
+		usr << "<span class='warning'>[src] is empty.</span>"
 
 
 /obj/item/weapon/gun/dartgun/vox

code/modules/reagents/newchem/chem_heater.dm

@@ -53,7 +53,7 @@
 
 /obj/machinery/chem_heater/proc/eject_beaker()
 	if(beaker)
-		beaker.loc = get_turf(src)
+		beaker.forceMove(get_turf(src))
 		beaker.reagents.handle_reactions()
 		beaker = null
 		icon_state = "mixer0b"
@@ -79,7 +79,7 @@
 
 		if(user.drop_item())
 			beaker = I
-			I.loc = src
+			I.forceMove(src)
 			user << "<span class='notice'>You add the beaker to the machine!</span>"
 			icon_state = "mixer1b"
 			nanomanager.update_uis(src)