Fixes turrets being invisible (tgstation#79377)

They're invisible by default apparently, not visible. When I was going
over invisibility var sets I assumed the wrong default.

fixes tgstation#79181

🆑 ninjanomnom
fix: Fixes turrets being invisible when they shouldn't be
/🆑

code/__DEFINES/sight.dm

@@ -64,7 +64,8 @@
 // INVISIBILITY PRIORITIES
 
 #define INVISIBILITY_PRIORITY_ADMIN 100
-#define INVISIBILITY_PRIORITY_BASIC_ANTI_INVISIBILITY 1
+#define INVISIBILITY_PRIORITY_TURRET_COVER 20
+#define INVISIBILITY_PRIORITY_BASIC_ANTI_INVISIBILITY 10
 #define INVISIBILITY_PRIORITY_NONE 0
 
 //------------------------

code/game/atoms.dm

@@ -2271,12 +2271,12 @@
 	RecalculateInvisibility()
 
 /// Removes the specified invisibility source from the tracker
-/atom/proc/RemoveInvisibility(source_id)
+/atom/proc/RemoveInvisibility(id)
 	if(!invisibility_sources)
 		return
 
-	var/list/priority_data = invisibility_sources[source_id]
-	invisibility_sources -= source_id
+	var/list/priority_data = invisibility_sources[id]
+	invisibility_sources -= id
 
 	if(length(invisibility_sources) == 0)
 		invisibility_sources = null

code/game/machinery/porta_turret/portable_turret.dm

@@ -326,7 +326,7 @@ DEFINE_BITFIELD(turret_flags, list(
 		//This code handles moving the turret around. After all, it's a portable turret!
 		if(!anchored && !isinspace())
 			set_anchored(TRUE)
-			SetInvisibility(INVISIBILITY_MAXIMUM, id=type)
+			RemoveInvisibility(id=type)
 			update_appearance()
 			to_chat(user, span_notice("You secure the exterior bolts on the turret."))
 			if(has_cover)
@@ -336,7 +336,7 @@ DEFINE_BITFIELD(turret_flags, list(
 			set_anchored(FALSE)
 			to_chat(user, span_notice("You unsecure the exterior bolts on the turret."))
 			power_change()
-			RemoveInvisibility(type)
+			SetInvisibility(INVISIBILITY_NONE, id=type)
 			qdel(cover) //deletes the cover, and the turret instance itself becomes its own cover.
 
 	else if(I.GetID())
@@ -407,7 +407,7 @@ DEFINE_BITFIELD(turret_flags, list(
 	. = ..()
 	if(.)
 		power_change()
-		RemoveInvisibility(type)
+		SetInvisibility(INVISIBILITY_NONE, id=type)
 		spark_system.start() //creates some sparks because they look cool
 		qdel(cover) //deletes the cover - no need on keeping it there!
 
@@ -514,7 +514,7 @@ DEFINE_BITFIELD(turret_flags, list(
 		return
 	if(machine_stat & BROKEN)
 		return
-	RemoveInvisibility(type)
+	SetInvisibility(INVISIBILITY_NONE, id=type)
 	raising = 1
 	if(cover)
 		flick("popup", cover)

code/game/machinery/porta_turret/portable_turret_cover.dm

@@ -43,12 +43,12 @@
 		if(!parent_turret.anchored)
 			parent_turret.set_anchored(TRUE)
 			to_chat(user, span_notice("You secure the exterior bolts on the turret."))
-			parent_turret.RemoveInvisibility(type)
+			parent_turret.SetInvisibility(INVISIBILITY_NONE, id=type, priority=INVISIBILITY_PRIORITY_TURRET_COVER)
 			parent_turret.update_appearance()
 		else
 			parent_turret.set_anchored(FALSE)
 			to_chat(user, span_notice("You unsecure the exterior bolts on the turret."))
-			parent_turret.SetInvisibility(INVISIBILITY_MAXIMUM, id=type)
+			parent_turret.SetInvisibility(INVISIBILITY_MAXIMUM, id=type, priority=INVISIBILITY_PRIORITY_TURRET_COVER)
 			parent_turret.update_appearance()
 			qdel(src)
 		return