Added a config option which forbids the possessing of singularities. This option defaults to allowing the possession of singularities.

git-svn-id: http://tgstation13.googlecode.com/svn/trunk@2697 316c924e-a436-60f5-8080-3fe189b3f50e

code/datums/configuration.dm

@@ -50,6 +50,8 @@
 	var/alert_desc_red_downto = "The self-destruct mechanism has been deactivated, there is still however an immediate serious threat to the station. Security may have weapons unholstered at all times, random searches are allowed and advised."
 	var/alert_desc_delta = "The station's self-destruct mechanism has been engaged. All crew are instructed to obey all instructions given by heads of staff. Any violations of these orders can be punished by death. This is not a drill."
 
+	var/forbid_singulo_possession = 0
+
 	//game_options.txt configs
 
 	var/health_threshold_crit = 0
@@ -246,6 +248,9 @@
 				if("alert_delta")
 					config.alert_desc_delta = value
 
+				if("forbid_singulo_possession")
+					forbid_singulo_possession = 1
+
 				else
 					diary << "Unknown setting in configuration: '[name]'"
 

code/game/vials.dm

@@ -271,6 +271,12 @@
 /proc/possess(obj/O as obj in world)
 	set name = "Possess Obj"
 	set category = "Object"
+
+	if(istype(O,/obj/machinery/singularity))
+		if(config.forbid_singulo_possession)
+			usr << "It is forbidden to possess singularities."
+			return
+
 	usr.loc = O
 	usr.real_name = O.name
 	usr.name = O.name