Added defines for snow and various snowy flora, including trees, grass, and bushes.

Fixed a mis-indented update_icon in floor/attack_hand(). Asteroid floors and such should no longer change when you click them.

git-svn-id: http://tgstation13.googlecode.com/svn/trunk@5107 316c924e-a436-60f5-8080-3fe189b3f50e

code/game/objects/structures/flora.dm

@@ -0,0 +1,58 @@
+/obj/structure/flora/tree
+	name = "tree"
+	anchored = 1
+	density = 1
+	pixel_x = -16
+
+/obj/structure/flora/tree/pine
+	name = "pine tree"
+	icon = 'icons/obj/flora/pinetrees.dmi'
+	icon_state = "pine_1"
+
+/obj/structure/flora/tree/pine/New()
+	icon_state = "pine_[rand(1, 3)]"
+
+/obj/structure/flora/tree/pine
+	name = "pine tree"
+	icon = 'icons/obj/flora/deadtrees.dmi'
+	icon_state = "tree_1"
+
+/obj/structure/flora/tree/pine/New()
+	icon_state = "tree_[rand(1, 6)]"
+
+
+/obj/structure/flora/grass
+	name = "grass"
+	icon = 'icons/obj/flora/snowflora.dmi'
+
+/obj/structure/flora/grass/brown
+	icon_state = "snowgrass1bb"
+
+/obj/structure/flora/grass/brown/New()
+	icon_state = "snowgrass[rand(1, 3)]bb"
+
+/obj/structure/flora/grass/green
+	icon_state = "snowgrass1gb"
+
+/obj/structure/flora/grass/brown/New()
+	icon_state = "snowgrass[rand(1, 3)]gb"
+
+/obj/structure/flora/grass/both
+	icon_state = "snowgrassall1"
+
+/obj/structure/flora/grass/brown/New()
+	icon_state = "snowgrassall[rand(1, 3)]"
+
+/obj/structure/flora/grass/both
+	icon_state = "snowgrassall1"
+
+/obj/structure/flora/grass/brown/New()
+	icon_state = "snowgrassall[rand(1, 3)]"
+
+/obj/structure/flora/bush
+	name = "bush"
+	icon = 'icons/obj/flora/snowflora.dmi'
+	icon_state = "snowbush1"
+
+/obj/structure/flora/bush/New()
+	icon_state = "snowbush[rand(1, 6)]"