Ports some xenoarchaeology sprites + minor tweaks (#15329)

code/modules/research/xenoarchaeology/artifact/artifact_crystal.dm

@@ -1,14 +1,13 @@
 
 /obj/structure/crystal
 	name = "large crystal"
-	icon = 'icons/obj/mining.dmi'
+	icon = 'icons/obj/xenoarchaeology.dmi'
 	icon_state = "crystal"
 	density = 1
 
 /obj/structure/crystal/New()
 	..()
-
-	icon_state = pick("crystal","crystal2")
+	icon_state = "crystal[rand(1, 3)]"
 
 	desc = pick(\
 	"It shines faintly as it catches the light.",\

code/modules/research/xenoarchaeology/artifact/artifact_gigadrill.dm

@@ -17,7 +17,7 @@
 		to_chat(user, "<span class='notice'>You press a button and [src] slowly spins down.</span>")
 	else
 		active = 1
-		icon_state = "gigadrill_mov"
+		icon_state = "gigadrill_active"
 		to_chat(user, "<span class='notice'>You press a button and [src] shudders to life.</span>")
 
 /obj/machinery/giga_drill/Collide(atom/A)

code/modules/research/xenoarchaeology/finds/finds.dm

@@ -24,7 +24,7 @@
 
 //have all strange rocks be cleared away using welders for now
 /obj/item/ore/strangerock
-	name = "Strange rock"
+	name = "strange rock"
 	desc = "Seems to have some unusal strata evident throughout it."
 	icon = 'icons/obj/xenoarchaeology.dmi'
 	icon_state = "strange"
@@ -355,12 +355,12 @@
 				new_gun.desc = "This is an antique energy weapon, you're not sure if it will fire or not."
 
 				//5% chance to explode when first fired
-				//10% chance to have an unchargeable cell
+				//5% chance to have an unchargeable cell
 				//15% chance to gain a random amount of starting energy, otherwise start with an empty cell
 				if(new_gun.power_supply)
 					if(prob(5))
 						new_gun.power_supply.rigged = 1
-					if(prob(10))
+					if(prob(5))
 						new_gun.power_supply.maxcharge = 0
 					if(prob(15))
 						new_gun.power_supply.charge = rand(0, new_gun.power_supply.maxcharge)

code/modules/research/xenoarchaeology/finds/finds_fossils.dm

@@ -3,9 +3,9 @@
 // fossils
 
 /obj/item/fossil
-	name = "Fossil"
+	name = "fossil"
 	icon = 'icons/obj/xenoarchaeology.dmi'
-	icon_state = "bone"
+	icon_state = "bone1"
 	desc = "It's a fossil."
 	var/animal = 1
 
@@ -20,19 +20,27 @@
 	qdel(src)
 
 /obj/item/fossil/bone
-	name = "Fossilised bone"
-	icon_state = "bone"
+	name = "fossilised bone"
 	desc = "It's a fossilised bone."
 
+/obj/item/fossil/bone/New()
+	icon_state = "bone[rand(1, 3)]"
+
 /obj/item/fossil/skull
-	name = "Fossilised skull"
+	name = "fossilised skull"
 	icon_state = "skull"
-	desc = "It's a fossilised skull."
+	desc = "It's a foss1ilised skull."
+
+/obj/item/fossil/skull/New()
+	icon_state = "skull[rand(1, 3)]"
 
 /obj/item/fossil/skull/horned
-	icon_state = "hskull"
+	icon_state = "horned_skull1"
 	desc = "It's a fossilised, horned skull."
 
+/obj/item/fossil/skull/horned/New()
+	icon_state = "horned_skull[rand(1, 2)]"
+
 /obj/item/fossil/skull/attackby(obj/item/W as obj, mob/user as mob)
 	if(istype(W,/obj/item/fossil/bone))
 		var/obj/o = new /obj/skeleton(get_turf(src))
@@ -54,7 +62,7 @@
 	var/plaque_contents = "Unnamed alien creature"
 
 /obj/skeleton/New()
-	src.breq = rand(6)+3
+	src.breq = rand(3)+3
 	src.desc = "An incomplete skeleton, looks like it could use [src.breq-src.bnum] more bones."
 
 /obj/skeleton/attackby(obj/item/W as obj, mob/user as mob)
@@ -90,12 +98,15 @@
 
 //shells and plants do not make skeletons
 /obj/item/fossil/shell
-	name = "Fossilised shell"
+	name = "fossilised shell"
 	icon_state = "shell"
 	desc = "It's a fossilised shell."
 
+/obj/item/fossil/shell/New()
+	icon_state = "shell[rand(1, 2)]"
+
 /obj/item/fossil/plant
-	name = "Fossilised plant"
+	name = "fossilised plant"
 	icon_state = "plant1"
 	desc = "It's fossilised plant remains."
 	animal = 0

code/modules/research/xenoarchaeology/machinery/artifact_harvester.dm

@@ -1,8 +1,8 @@
 
 /obj/machinery/artifact_harvester
 	name = "exotic particle harvester"
-	icon = 'icons/obj/virology.dmi'
-	icon_state = "incubator"	//incubator_on
+	icon = 'icons/obj/xenoarchaeology.dmi'
+	icon_state = "harvester"
 	anchored = 1
 	density = 1
 	idle_power_usage = 50

code/modules/research/xenoarchaeology/machinery/geosample_scanner.dm

@@ -5,8 +5,8 @@
 	anchored = 1
 	density = 1
 	flags = OPENCONTAINER
-	icon = 'icons/obj/virology.dmi'
-	icon_state = "analyser"
+	icon = 'icons/obj/xenoarchaeology.dmi'
+	icon_state = "spectrometer"
 
 	idle_power_usage = 20
 	active_power_usage = 300

code/modules/research/xenoarchaeology/tools/tools.dm

@@ -26,8 +26,8 @@
 /obj/item/storage/bag/fossils
 	name = "fossil satchel"
 	desc = "Transports delicate fossils in suspension so they don't break during transit."
-	icon = 'icons/obj/mining.dmi'
-	icon_state = "satchel"
+	icon = 'icons/obj/xenoarchaeology.dmi'
+	icon_state = "fossil_satchel"
 	slot_flags = SLOT_BELT | SLOT_POCKET
 	w_class = ITEMSIZE_NORMAL
 	max_storage_space = 100