Lavaland: Add "official" Boss Arena to lavaland (#23251)

* ah fuck there we go

* Added new wall type, so its destroyable

* Update lavaland file with new wall and helper.

* Add new rock type.

* Add missing rock

* Added new rock to surround arena:
- Its now for visual enchancement just to make it look "older" than it is.

* Added more no_lava helper outside outpost

* changed walls to be destroyable by world gen.

code/__DEFINES/color_defines.dm

@@ -86,6 +86,8 @@
 #define COLOR_DIAMOND          "#d8d4ea"
 #define COLOR_ANCIENT_ROCK     "#575757"
 #define COLOR_COLD_ANCIENT_ROCK "#575764"
+#define COLOR_HARD_ROCK    "#363636"
+#define COLOR_FLOOR_HARD_ROCK    "#bdbdbd"
 #define COLOR_HEALING_GREEN    "#375637"
 
 //Color defines used by the assembly detailer.

code/game/turfs/simulated/floor/asteroid_floors.dm

@@ -151,6 +151,14 @@
 	planetary_atmos = TRUE
 	baseturf = /turf/simulated/floor/plating/lava/smooth/mapping_lava
 
+/turf/simulated/floor/plating/asteroid/basalt/lava_land_surface_hard
+	oxygen = 14
+	nitrogen = 23
+	temperature = 300
+	planetary_atmos = TRUE
+	color = COLOR_FLOOR_HARD_ROCK
+	baseturf = /turf/simulated/floor/plating/lava/smooth/lava_land_surface
+
 /turf/simulated/floor/plating/asteroid/airless
 	temperature = TCMB
 	oxygen = 0

code/game/turfs/simulated/minerals.dm

@@ -235,6 +235,32 @@
 		return
 	return ..()
 
+/turf/simulated/mineral/ancient/lava_land_surface_hard
+	name = "hardened volcanic rock"
+	desc = "A dense volcanic rock that appears to be resistant to everything except diamond and sonic tools!"
+	mine_time = 15 SECONDS
+	color = COLOR_HARD_ROCK
+	oxygen = 14
+	nitrogen = 23
+	temperature = 300
+	turf_type = /turf/simulated/floor/plating/asteroid/basalt/lava_land_surface_hard
+	var/static/list/allowed_picks_typecache
+
+/turf/simulated/mineral/ancient/lava_land_surface_hard/Initialize(mapload)
+	. = ..()
+	allowed_picks_typecache = typecacheof(list(
+			/obj/item/pickaxe/drill/jackhammer,
+			/obj/item/pickaxe/diamond,
+			/obj/item/pickaxe/drill/cyborg/diamond,
+			/obj/item/pickaxe/drill/diamonddrill,
+			))
+
+/turf/simulated/mineral/ancient/lava_land_surface_hard/attackby(obj/item/I, mob/user, params)
+	if(istype(I, /obj/item/pickaxe) && !(is_type_in_typecache(I, allowed_picks_typecache)))
+		to_chat(user, "<span class='notice'>Only a diamond tools or a sonic jackhammer can break this rock.</span>")
+		return
+	return ..()
+
 /turf/simulated/mineral/random/high_chance
 	color = COLOR_YELLOW
 	mineralChance = 25

code/game/turfs/simulated/walls_misc.dm

@@ -91,3 +91,21 @@
 	if(heated)
 		to_chat(M.occupant, "<span class='userdanger'>The wall's intense heat completely reflects your [M.name]'s attack!</span>")
 		M.take_damage(20, BURN)
+
+/turf/simulated/wall/boss
+	name = "ancient wall"
+	desc = "A thick metal wall, it look very old."
+	icon = 'icons/turf/walls/boss_wall.dmi'
+	icon_state = "boss_wall-0"
+	base_icon_state = "boss_wall"
+	explosion_block = 2
+	damage_cap = 600
+	hardness = 10
+	heat_resistance = 20000
+	can_dismantle_with_welder = FALSE
+	smoothing_flags = SMOOTH_BITMASK
+	smoothing_groups = list(SMOOTH_GROUP_WALLS, SMOOTH_GROUP_BOSS_WALLS)
+	canSmoothWith = list(SMOOTH_GROUP_BOSS_WALLS)
+	sheet_type = /obj/item/stack/sheet/runed_metal
+	sheet_amount = 1
+	girder_type = /obj/structure/girder/cult