adds chessboard holodeck program

code/game/area/Space Station 13 areas.dm

@@ -1350,6 +1350,10 @@ NOTE: there are two lists of areas in the end of this file: centcom and station
 	has_gravity = 0
 	sound_env = SPACE
 
+/area/holodeck/source_chess
+	name = "\improper Holodeck - Chessboard"
+
+
 //Engineering
 
 /area/engineering/

code/game/turfs/flooring/flooring_decals.dm

@@ -715,6 +715,54 @@ var/list/floor_decals = list()
 /obj/effect/floor_decal/sign/p
 	icon_state = "white_p"
 
+/obj/effect/floor_decal/sign/small_a
+	icon_state = "small_a"
+
+/obj/effect/floor_decal/sign/small_b
+	icon_state = "small_b"
+
+/obj/effect/floor_decal/sign/small_c
+	icon_state = "small_c"
+
+/obj/effect/floor_decal/sign/small_d
+	icon_state = "small_d"
+
+/obj/effect/floor_decal/sign/small_e
+	icon_state = "small_e"
+
+/obj/effect/floor_decal/sign/small_f
+	icon_state = "small_f"
+
+/obj/effect/floor_decal/sign/small_g
+	icon_state = "small_g"
+
+/obj/effect/floor_decal/sign/small_h
+	icon_state = "small_h"
+
+/obj/effect/floor_decal/sign/small_1
+	icon_state = "small_1"
+
+/obj/effect/floor_decal/sign/small_2
+	icon_state = "small_2"
+
+/obj/effect/floor_decal/sign/small_3
+	icon_state = "small_3"
+
+/obj/effect/floor_decal/sign/small_4
+	icon_state = "small_4"
+
+/obj/effect/floor_decal/sign/small_5
+	icon_state = "small_5"
+
+/obj/effect/floor_decal/sign/small_6
+	icon_state = "small_6"
+
+/obj/effect/floor_decal/sign/small_7
+	icon_state = "small_7"
+
+/obj/effect/floor_decal/sign/small_8
+	icon_state = "small_8"
+
 /obj/effect/floor_decal/sign/dock
 	icon_state = "white_d"
 

code/modules/holodeck/HolodeckControl.dm

@@ -62,6 +62,7 @@
 	"Theatre" 			= new/datum/holodeck_program(/area/holodeck/source_theatre),
 	"Meetinghall" 		= new/datum/holodeck_program(/area/holodeck/source_meetinghall),
 	"Courtroom" 		= new/datum/holodeck_program(/area/holodeck/source_courtroom, list('sound/music/traitor.ogg')),
+	"Chessboard"		= new/datum/holodeck_program(/area/holodeck/source_chess),
 	"Turn Off" 			= new/datum/holodeck_program(/area/holodeck/source_plating, list())
 	)
 

code/modules/holodeck/HolodeckObjects.dm

@@ -111,6 +111,18 @@
 	if(prob(10))
 		add_overlay("asteroid[rand(0,9)]")
 
+/turf/simulated/floor/holofloor/bmarble
+	name = "marble"
+	icon = 'icons/turf/flooring/misc.dmi'
+	icon_state = "darkmarble"
+	initial_flooring = /decl/flooring/bmarble
+
+/turf/simulated/floor/holofloor/wmarble
+	name = "marble"
+	icon = 'icons/turf/flooring/misc.dmi'
+	icon_state = "lightmarble"
+	initial_flooring = /decl/flooring/wmarble
+
 /obj/structure/holostool
 	name = "stool"
 	desc = "Apply butt."