Refines some stuff

Cleaned up some shitty code and improved the repair process

code/datums/components/spawner.dm

@@ -41,6 +41,9 @@
 	START_PROCESSING(SSprocessing, src)
 
 /datum/component/spawner/process()
+	if(!parent) //Sanity check for instances where the spawner may be sleeping while the parent is destroyed
+		Destroy(TRUE,FALSE)
+		return
 	if(spawning_paused)
 		sleep(wave_downtime)
 		spawning_paused = FALSE

code/game/objects/items/pinpointer.dm

@@ -63,8 +63,6 @@
 	. = ..()
 	if(!active)
 		return
-	if(target.loc == null)
-		return
 	if(!target)
 		. += "pinon[alert ? "alert" : ""]null[icon_suffix]"
 		return

code/modules/mining/drill.dm

@@ -159,17 +159,23 @@
 					break
 			return
 		if(tool.tool_behaviour == TOOL_MULTITOOL && malfunction == MALF_CALIBRATE)
-			playsound()
-			do_after(user,(100*tool.toolspeed),src)
-			malfunction = null
-			obj_integrity = max_integrity
-			return
+			user.visible_message("<span class='notice'>[user] begins recalibrating [src].</span>", \
+				"<span class='notice'>You begin recalibrating [src]...</span>")
+			if(tool.use_tool(src, user, 100, volume=50))
+				malfunction = null
+				obj_integrity = max_integrity
+				return
 		if(tool.tool_behaviour == TOOL_WELDER && malfunction == MALF_STRUCTURAL)
-			playsound()
-			do_after(user,(100*tool.toolspeed),src)
-			malfunction = null
-			obj_integrity = max_integrity
-			return
+			if(!tool.tool_start_check(user, amount=0))
+				return
+			user.visible_message("<span class='notice'>[user] begins repairing [src].</span>", \
+				"<span class='notice'>You begin repairing [src]...</span>", \
+				"<span class='hear'>You hear welding.</span>")
+			if(tool.use_tool(src, user, 100, volume=50))
+				playsound()
+				malfunction = null
+				obj_integrity = max_integrity
+				return
 		if(istype(tool, /obj/item/stock_parts/cell))
 			var/obj/item/stock_parts/cell/battery = tool
 			if(cell)

code/modules/mining/ore_veins.dm

@@ -36,8 +36,6 @@ GLOBAL_LIST_EMPTY(ore_veins)
 		/mob/living/simple_animal/hostile/asteroid/goliath/beast = 60,
 		/mob/living/simple_animal/hostile/asteroid/hivelord/legion/tendril = 20,
 		/mob/living/simple_animal/hostile/asteroid/brimdemon = 20,
-		/mob/living/simple_animal/hostile/asteroid/goliath/beast/ancient/crystal = 1,
-		/mob/living/simple_animal/hostile/asteroid/hivelord/legion/crystal = 1,
 		)
 	var/spawn_text = "emerges from"
 	var/faction = list("hostile","mining")