grass changes in fall.

Proposed changes.txt

@@ -0,0 +1,22 @@
+Year
+12 months
+14 days per month
+2 weeks per month
+7 days per week
+4 seasons
+42 days per season
+
+function month(day)
+ return  (((day - 35) % 168) / (168/12)) + 1
+ end
+
+
+what needs saved
+
+day_counter
+month
+month_counter
+season
+
+day_speed
+night_speed

grass.lua

@@ -0,0 +1,34 @@
+minetest.register_node("mymonths:fall_grass", {
+	description = "Dirt with Grass",
+	tiles = {"default_grass.png^[colorize:brown:50", "default_dirt.png",
+		{name = "default_dirt.png^default_grass_side.png^[colorize:brown:50",
+			tileable_vertical = false}},
+	groups = {crumbly = 3, soil = 1},
+	drop = 'default:dirt',
+	sounds = default.node_sound_dirt_defaults({
+		footstep = {name = "default_grass_footstep", gain = 0.25},
+	}),
+})
+
+minetest.register_abm({
+	nodenames = {'default:dirt_with_grass'},
+	interval = 60,
+	chance = 40,
+	action = function (pos, node, active_object_count, active_object_count_wider)
+		if mymonths.month_counter == 9
+		or mymonths.month_counter == 10 then
+				minetest.set_node(pos, {name = 'mymonths:fall_grass'})
+	end
+end
+})
+
+minetest.register_abm({
+	nodename = {'mymonths:fall_grass'},
+	interval = 60,
+	chance = 40,
+	action = function (pos, node, active_object_count, active_object_count_wider)
+		if mymonths.month_counter == 4 then
+			minetest.set_node(pos, {name = 'default:dirt_with_grass'})
+	end
+end
+})

init.lua

@@ -19,6 +19,9 @@ mymonths.use_puddles = true
 --Flowers die in winter, grown in spring
 mymonths.flowers_die = true
 
+--Grass changes color in fall, and spring
+mymonths.grass_change = true
+
 if minetest.get_modpath("lightning") then 
 	lightning.auto = false 
 end
@@ -49,6 +52,10 @@ if mymonths.use_weather == true then
 	dofile(minetest.get_modpath("mymonths").."/weather.lua")
 end
 
+if mymonths.grass_change == true then
+	dofile(minetest.get_modpath("mymonths").."/grass.lua")
+end
+
 if mymonths.use_weather == false then
 	minetest.register_alias("mymonths:puddle", "air")
 	minetest.register_alias("mymonths:snow_cover_1", "air")