Replaces /image with /mutable_appearance (#556)

* Replaces /image with /mutable_appearance, where appropriate

* Update miscellaneous.dm

* Delete miscellaneous.dm.rej

* Delete pet.dm.rej

* Update pet.dm

* Update species.dm

* Update miscellaneous.dm

* Update species.dm

* Update miscellaneous.dm

* Delete species.dm.rej

* Update species.dm

pretty sure I got all the indentation correct THIS time, ffs

* Update species.dm

* Update species.dm

fucking tabs man, fucking tabs.

code/game/turfs/closed.dm

@@ -71,10 +71,8 @@
 /turf/closed/indestructible/fakeglass/Initialize()
 	..()
 	icon_state = null //set the icon state to null, so our base state isn't visible
-	var/image/I = image('icons/obj/structures.dmi', loc = src, icon_state = "grille")
-	underlays += I //add a grille underlay
-	I = image('icons/turf/floors.dmi', loc = src, icon_state = "plating")
-	underlays += I //add the plating underlay, below the grille
+	underlays += mutable_appearance('icons/obj/structures.dmi', "grille") //add a grille underlay
+	underlays += mutable_appearance('icons/turf/floors.dmi', "plating") //add the plating underlay, below the grille
 
 /turf/closed/indestructible/fakedoor
 	name = "Centcom Access"

code/game/turfs/open.dm

@@ -3,7 +3,7 @@
 
 	var/wet = 0
 	var/wet_time = 0 // Time in seconds that this floor will be wet for.
-	var/image/wet_overlay = null
+	var/mutable_appearance/wet_overlay
 
 /turf/open/indestructible
 	name = "floor"
@@ -183,17 +183,22 @@
 	if(wet_setting != TURF_DRY)
 		if(wet_overlay)
 			cut_overlay(wet_overlay)
-			wet_overlay = null
+		else
+			wet_overlay = mutable_appearance()
 		var/turf/open/floor/F = src
 		if(istype(F))
 			if(wet_setting == TURF_WET_PERMAFROST)
-				wet_overlay = image('icons/effects/water.dmi', src, "ice_floor")
+				wet_overlay.icon = 'icons/effects/water.dmi'
+				wet_overlay.icon_state = "ice_floor"
 			else if(wet_setting == TURF_WET_ICE)
-				wet_overlay = image('icons/turf/overlays.dmi', src, "snowfloor")
+				wet_overlay.icon = 'icons/turf/overlays.dmi'
+				wet_overlay.icon_state = "snowfloor"
 			else
-				wet_overlay = image('icons/effects/water.dmi', src, "wet_floor_static")
+				wet_overlay.icon = 'icons/effects/water.dmi'
+				wet_overlay.icon_state = "wet_floor_static"
 		else
-			wet_overlay = image('icons/effects/water.dmi', src, "wet_static")
+			wet_overlay.icon = 'icons/effects/water.dmi'
+			wet_overlay.icon_state = "wet_static"
 		add_overlay(wet_overlay)
 	HandleWet()
 

code/game/turfs/simulated/minerals.dm

@@ -21,7 +21,7 @@
 	var/spread = 0 //will the seam spread?
 	var/spreadChance = 0 //the percentual chance of an ore spreading to the neighbouring tiles
 	var/last_act = 0
-	var/scan_state = null //Holder for the image we display when we're pinged by a mining scanner
+	var/scan_state = "" //Holder for the image we display when we're pinged by a mining scanner
 	var/defer_change = 0
 
 /turf/closed/mineral/Initialize()
@@ -380,7 +380,7 @@
 	var/stage = 0 //How far into the lifecycle of gibtonite we are, 0 is untouched, 1 is active and attempting to detonate, 2 is benign and ready for extraction
 	var/activated_ckey = null //These are to track who triggered the gibtonite deposit for logging purposes
 	var/activated_name = null
-	var/activated_image = null
+	var/mutable_appearance/activated_overlay
 
 /turf/closed/mineral/gibtonite/Initialize()
 	det_time = rand(8,10) //So you don't know exactly when the hot potato will explode
@@ -394,9 +394,8 @@
 
 /turf/closed/mineral/gibtonite/proc/explosive_reaction(mob/user = null, triggered_by_explosion = 0)
 	if(stage == 0)
-		var/image/I = image('icons/turf/smoothrocks.dmi', loc = src, icon_state = "rock_Gibtonite_active", layer = ON_EDGED_TURF_LAYER)
-		add_overlay(I)
-		activated_image = I
+		activated_overlay = mutable_appearance('icons/turf/smoothrocks.dmi', "rock_Gibtonite_active", ON_EDGED_TURF_LAYER)
+		add_overlay(activated_overlay)
 		name = "gibtonite deposit"
 		desc = "An active gibtonite reserve. Run!"
 		stage = 1
@@ -433,9 +432,9 @@
 
 /turf/closed/mineral/gibtonite/proc/defuse()
 	if(stage == 1)
-		cut_overlay(activated_image)
-		var/image/I = image('icons/turf/smoothrocks.dmi', loc = src, icon_state = "rock_Gibtonite_inactive", layer = ON_EDGED_TURF_LAYER)
-		add_overlay(I)
+		cut_overlay(activated_overlay)
+		activated_overlay.icon_state = "rock_Gibtonite_inactive"
+		add_overlay(activated_overlay)
 		desc = "An inactive gibtonite reserve. The ore can be extracted."
 		stage = 2
 		if(det_time < 0)