Adjustable timer for default grenades

code/game/objects/items/weapons/grenades/chem_grenade.dm

@@ -22,6 +22,7 @@
 		if(!stage || stage==1)
 			if(detonator)
 //				detonator.loc=src.loc
+				detonator.detached()
 				usr.put_in_hands(detonator)
 				detonator=null
 				stage=0

code/modules/assembly/holder.dm

@@ -23,6 +23,8 @@
 	proc/process_activation(var/obj/item/device/D)
 		return
 
+	proc/detached()
+		return
 
 
 	IsAssemblyHolder()
@@ -197,7 +199,7 @@
 
 
 /obj/item/device/assembly_holder/timer_igniter
-	name = "5sec timer-igniter assembly"
+	name = "timer-igniter assembly"
 
 	New()
 		..()
@@ -214,4 +216,40 @@
 		a_right = ign
 		secured = 1
 		update_icon()
+		name = initial(name) + " ([tmr.time] secs)"
 
+		loc.verbs += /obj/item/device/assembly_holder/timer_igniter/verb/configure
+
+	detached()
+		loc.verbs -= /obj/item/device/assembly_holder/timer_igniter/verb/configure
+		..()
+
+	verb/configure()
+		set name = "Set Timer"
+		set category = "Object"
+		set src in usr
+
+		if ( !(usr.stat || usr.restrained()) )
+			var/obj/item/device/assembly_holder/holder
+			if(istype(src,/obj/item/weapon/grenade/chem_grenade))
+				var/obj/item/weapon/grenade/chem_grenade/gren = src
+				holder=gren.detonator
+			var/obj/item/device/assembly/timer/tmr = holder.a_left
+			if(!istype(tmr,/obj/item/device/assembly/timer))
+				tmr = holder.a_right
+			if(!istype(tmr,/obj/item/device/assembly/timer))
+				usr << "<span class='notice'>This detonator has no timer.</span>"
+				return
+
+			if(tmr.timing)
+				usr << "<span class='notice'>Clock is ticking already.</span>"
+			else
+				var/ntime = input("Enter desired time in seconds", "Time", "5") as num
+				if (ntime>0 && ntime<1000)
+					tmr.time = ntime
+					name = initial(name) + "([tmr.time] secs)"
+					usr << "<span class='notice'>Timer set to [tmr.time] seconds.</span>"
+				else
+					usr << "<span class='notice'>Timer can't be [ntime<=0?"negative":"more than 1000 seconds"].</span>"
+		else
+			usr << "<span class='notice'>You cannot do this while [usr.stat?"unconscious/dead":"restrained"].</span>"

code/modules/assembly/timer.dm

@@ -20,7 +20,9 @@
 
 	activate()
 		if(!..())	return 0//Cooldown check
+		
 		timing = !timing
+
 		update_icon()
 		return 0
 
@@ -37,7 +39,7 @@
 
 
 	timer_end()
-		if((!secured)||(cooldown > 0))	return 0
+		if(!secured)	return 0
 		pulse(0)
 		if(!holder)
 			visible_message("\icon[src] *beep* *beep*", "*beep* *beep*")