Add moonflower mod

mods/moonflower/depends.txt

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+default

mods/moonflower/init.lua

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+-- Moon Flower mod by MirceaKitsune
+
+local SPAWN_ATTEMPTS = 5 -- How many times to attempt spawning per chunk
+local SPAWN_PROBABILITY = 0.1 -- Probability of each spawn attempt
+local OPEN_TIME_START = 0.2 -- Day time at which moon flowers open up
+local OPEN_TIME_END = 0.8 -- Day time at which moon flowers close up
+local OPEN_CHECK = 10 -- Interval at which to check if lighting changed
+
+minetest.register_node("moonflower:moonflower_closed", {
+	description = "Moon flower",
+	drawtype = "plantlike",
+	tiles = { "moonflower_closed.png" },
+	inventory_image = "moonflower_closed.png",
+	wield_image = "moonflower_closed.png",
+	sunlight_propagates = true,
+	paramtype = "light",
+	walkable = false,
+	groups = { snappy = 3, flammable=2, flower=1 },
+	drop = 'moonflower:moonflower_closed',
+	sounds = default.node_sound_leaves_defaults(),
+	selection_box = {
+		type = "fixed",
+		fixed = { -0.15, -0.5, -0.15, 0.15, 0.2, 0.15 },
+	},
+})
+
+minetest.register_node("moonflower:moonflower_open", {
+	description = "Moon flower",
+	drawtype = "plantlike",
+	tiles = { "moonflower_open.png" },
+	inventory_image = "moonflower_open.png",
+	wield_image = "moonflower_open.png",
+	paramtype = "light",
+	sunlight_propagates = true,
+	paramtype = "light",
+	walkable = false,
+	light_source = LIGHT_MAX / 2,
+	groups = { not_in_creative_inventory = 1, snappy = 3, flammable=2, flower=1 },
+	drop = 'moonflower:moonflower_closed',
+	sounds = default.node_sound_leaves_defaults(),
+	selection_box = {
+		type = "fixed",
+		fixed = { -0.15, -0.5, -0.15, 0.15, 0.2, 0.15 },
+	},
+})
+
+set_moonflower = function (pos)
+	-- choose the appropriate form of the moon flower
+	if (minetest.env:get_node_light(pos, 0.5) == 15)
+	and ((minetest.env:get_timeofday() < OPEN_TIME_START) or (minetest.env:get_timeofday() > OPEN_TIME_END)) then
+		minetest.env:add_node(pos, { name = "moonflower:moonflower_open" })
+	else
+		minetest.env:add_node(pos, { name = "moonflower:moonflower_closed" })
+	end
+end
+
+minetest.register_abm({
+	nodenames = { "moonflower:moonflower_closed", "moonflower:moonflower_open" },
+	interval = OPEN_CHECK,
+	chance = 1,
+
+	action = function(pos, node, active_object_count, active_object_count_wider)
+		set_moonflower(pos)
+	end
+})
+
+minetest.register_on_generated(function(minp, maxp, seed)
+for attempts = 0, SPAWN_ATTEMPTS do
+	-- choose a random location on the X and Z axes
+	local coords_x = math.random(minp.x, maxp.x)
+	local coords_z = math.random(minp.z, maxp.z)
+
+	-- now scan upward until we find a suitable spot on the Y axis, if none is found this attempt is failed
+	for coords_y = minp.y, maxp.y do
+		local pos_here = { x = coords_x, y = coords_y, z = coords_z }
+		local node_here = minetest.env:get_node(pos_here)
+		local pos_top = { x = coords_x, y = coords_y + 1, z = coords_z }
+		local node_top = minetest.env:get_node(pos_top)
+
+		if (node_here.name == "default:dirt_with_grass") and (node_top.name == "air") then
+			if (math.random() <= SPAWN_PROBABILITY) then
+				set_moonflower(pos_top)
+			end
+			break
+		end
+	end
+end
+end)