Flowers: Make mushrooms farmable using spores

mods/flowers/README.txt

@@ -17,3 +17,6 @@ WTFPL
 
 Gambit (WTFPL):
   flowers_mushroom_*.png
+
+DanDuncombe (WTFPL):
+  flowers_spores_*.png

mods/flowers/init.lua

@@ -4,9 +4,11 @@
 -- Namespace for functions
 flowers = {}
 
+
 -- Map Generation
 dofile(minetest.get_modpath("flowers") .. "/mapgen.lua")
 
+
 -- Aliases for original flowers mod
 minetest.register_alias("flowers:flower_dandelion_white", "flowers:dandelion_white")
 minetest.register_alias("flowers:flower_dandelion_yellow", "flowers:dandelion_yellow")
@@ -15,7 +17,9 @@ minetest.register_alias("flowers:flower_rose", "flowers:rose")
 minetest.register_alias("flowers:flower_tulip", "flowers:tulip")
 minetest.register_alias("flowers:flower_viola", "flowers:viola")
 
--- Flower registration function
+
+-- Flower registration
+
 local function add_simple_flower(name, desc, box, f_groups)
 	-- Common flowers' groups
 	f_groups.snappy = 3
@@ -24,7 +28,7 @@ local function add_simple_flower(name, desc, box, f_groups)
 	f_groups.flora = 1
 	f_groups.attached_node = 1
 
-	minetest.register_node("flowers:"..name.."", {
+	minetest.register_node("flowers:" .. name, {
 		description = desc,
 		drawtype = "plantlike",
 		tiles = {"flowers_" .. name .. ".png"},
@@ -43,26 +47,32 @@ local function add_simple_flower(name, desc, box, f_groups)
 	})
 end
 
--- Registrations using the function above
 flowers.datas = {
-	{"dandelion_yellow", "Yellow Dandelion", { -0.15, -0.5, -0.15, 0.15, 0.2, 0.15 }, {color_yellow=1}},
-	{"geranium", "Blue Geranium", { -0.15, -0.5, -0.15, 0.15, 0.2, 0.15 }, {color_blue=1}},
 	{"rose", "Rose", {-0.15, -0.5, -0.15, 0.15, 0.3, 0.15}, {color_red = 1}},
 	{"tulip", "Orange Tulip", {-0.15, -0.5, -0.15, 0.15, 0.2, 0.15}, {color_orange = 1}},
-	{"dandelion_white", "White dandelion", { -0.5, -0.5, -0.5, 0.5, -0.2, 0.5 }, {color_white=1}},
-	{"viola", "Viola", { -0.5, -0.5, -0.5, 0.5, -0.2, 0.5 }, {color_violet=1}}
+	{"dandelion_yellow", "Yellow Dandelion", {-0.15, -0.5, -0.15, 0.15, 0.2, 0.15}, {color_yellow = 1}},
+	{"geranium", "Blue Geranium", {-0.15, -0.5, -0.15, 0.15, 0.2, 0.15}, {color_blue = 1}},
+	{"viola", "Viola", {-0.5, -0.5, -0.5, 0.5, -0.2, 0.5}, {color_violet = 1}},
+	{"dandelion_white", "White dandelion", {-0.5, -0.5, -0.5, 0.5, -0.2, 0.5}, {color_white = 1}}
 }
 
 for _,item in pairs(flowers.datas) do
 	add_simple_flower(unpack(item))
 end
 
+
+-- Mushrooms
+
 local mushrooms_datas = {
-	{"brown", 2}, {"red", -6}
+	{"brown", 2},
+	{"red", -6}
 }
 
 for _, m in pairs(mushrooms_datas) do
 	local name, nut = m[1], m[2]
+
+	-- Register mushrooms
+
 	minetest.register_node("flowers:mushroom_" .. name, {
 		description = string.sub(string.upper(name), 0, 1) ..
 			string.sub(name, 2) .. " Mushroom",
@@ -75,6 +85,14 @@ for _, m in pairs(mushrooms_datas) do
 		walkable = false,
 		buildable_to = true,
 		groups = {snappy = 3, flammable = 3, attached_node = 1},
+		drop = {
+			items = {
+				{items = {"flowers:spores_" .. name}, rarity = 2,},
+				{items = {"flowers:spores_" .. name}, rarity = 2,},
+				{items = {"flowers:spores_" .. name}, rarity = 2,},
+				{items = {"flowers:mushroom_" .. name},},
+			},
+		},
 		sounds = default.node_sound_leaves_defaults(),
 		on_use = minetest.item_eat(nut),
 		selection_box = {
@@ -82,7 +100,50 @@ for _, m in pairs(mushrooms_datas) do
 			fixed = {-0.3, -0.5, -0.3, 0.3, 0, 0.3}
 		}
 	})
+
+	-- Register spores
+
+	minetest.register_node("flowers:spores_" .. name, {
+		description = string.sub(string.upper(name), 0, 1) ..
+			string.sub(name, 2) .. " Mushroom Spores",
+		drawtype = "signlike",
+		tiles = {"flowers_spores_" .. name .. ".png"},
+		inventory_image = "flowers_spores_" .. name .. ".png",
+		wield_image = "flowers_spores_" .. name .. ".png",
+		paramtype = "light",
+		paramtype2 = "wallmounted",
+		sunlight_propagates = true,
+		walkable = false,
+		buildable_to = true,
+		selection_box = {
+			type = "wallmounted",
+		},
+		groups = {dig_immediate = 3, attached_node = 1},
+	})
+
+	-- Register growth ABMs
+
+	minetest.register_abm({
+		nodenames = {"flowers:spores_" .. name},
+		interval = 14,
+		chance = 25,
+		action = function(pos, node)
+			local node_under = minetest.get_node_or_nil({x = pos.x,
+				y = pos.y - 1, z = pos.z})
+			if not node_under then
+				return
 			end
+			if minetest.get_item_group(node_under.name, "soil") ~= 0 and
+					minetest.get_node_light(pos, nil) <= 13 then
+		 		minetest.set_node({x = pos.x, y = pos.y, z = pos.z},
+					{name = "flowers:mushroom_" .. name})
+			end
+		end
+	})
+end
+
+
+-- Flower spread
 
 minetest.register_abm({
 	nodenames = {"group:flora"},