added flight potion

README.md

@@ -6,7 +6,7 @@ Ethereal Mapgen mod for Minetest (works on all except v6)
 - https://forum.minetest.net/viewtopic.php?f=11&t=14638
 
 ## Lucky Blocks
-45
+46
 
 ## Changelog
 
@@ -17,6 +17,7 @@ Ethereal Mapgen mod for Minetest (works on all except v6)
  - Rewrite stairs and add auto-select function
  - Added Lemonade
  - Added smaller redwood trees, to grow large variety 2 saplings required
+ - Added Flight Potion (etherium dust arch, fire dust middle, empty bottle bottom)
 
 ### 1.27
 

flight.lua

@@ -0,0 +1,146 @@
+local timer_check = 5 -- seconds per check
+local flight_secs = 5 * 60 -- seconds of flight
+local S = ethereal.intllib
+
+
+-- disable flight
+local function set_flight(user, set)
+
+	local privs = minetest.get_player_privs(user:get_player_name())
+	privs.fly = set
+	minetest.set_player_privs(user:get_player_name(), privs)
+end
+
+
+-- after function
+local function ethereal_set_flight(user)
+
+	local meta = user:get_meta() ; if not meta then return end
+	local timer = tonumber(meta:get_string("ethereal:fly_timer"))
+	local privs = minetest.get_player_privs(user:get_player_name())
+
+	-- timer ran out, remove 'fly' privelage
+	if not timer or timer <= 0 then
+		set_flight(user, nil)
+		return
+	end
+
+	-- have we already applied 'fly' privelage?
+	if not privs.fly then
+		set_flight(user, true)
+	end
+
+	-- handle timer
+	timer = timer - timer_check
+
+	local name = user:get_player_name()
+
+	if timer < 10 then
+
+		minetest.chat_send_player(name,
+				minetest.get_color_escape_sequence("#ff5500")
+						.. S("Flight timer about to expire!"))
+
+		minetest.sound_play("default_dig_dig_immediate",
+				{to_player = name, gain = 1.0}, true)
+	end
+
+	meta:set_string("ethereal:fly_timer", timer) -- lower timer
+
+	minetest.after(timer_check, function()
+		ethereal_set_flight(user)
+	end)
+end
+
+
+-- on join / leave
+minetest.register_on_joinplayer(function(player)
+
+	local meta = player:get_meta() ; if not meta then return end
+	local privs = minetest.get_player_privs(player:get_player_name())
+
+	if privs.fly then
+
+		local timer = tonumber(meta:get_string("ethereal:fly_timer"))
+
+		if timer <= 0 then
+			set_flight(player, nil)
+		else
+			ethereal_set_flight(player)
+		end
+	end
+end)
+
+
+-- potion item
+minetest.register_node("ethereal:flight_potion", {
+	description = S("Flight Potion"),
+	drawtype = "plantlike",
+	tiles = {"ethereal_flight_potion.png"},
+	inventory_image = "ethereal_flight_potion.png",
+	wield_image = "ethereal_flight_potion.png",
+	paramtype = "light",
+	sunlight_propagates = true,
+	walkable = false,
+	selection_box = {
+		type = "fixed",
+		fixed = {-0.2, -0.37, -0.2, 0.2, 0.31, 0.2}
+	},
+	groups = {dig_immediate = 3},
+	sounds = default.node_sound_glass_defaults(),
+
+	on_use = function(itemstack, user, pointed_thing)
+
+		-- get privs
+		local name = user:get_player_name()
+		local privs = minetest.get_player_privs(name)
+		local meta = user:get_meta()
+		local timer = meta:get_string("ethereal:fly_timer")
+
+		if privs.fly then
+			minetest.chat_send_player(name,
+				minetest.get_color_escape_sequence("#ffff00")
+						.. S("Flight already granted, @1 seconds left!", timer))
+			return
+		end
+
+		if not meta then return end
+
+		meta:set_string("ethereal:fly_timer", flight_secs)
+
+		minetest.chat_send_player(name,
+				minetest.get_color_escape_sequence("#1eff00")
+						.. S("Flight granted, you have @1 seconds!", flight_secs))
+
+		ethereal_set_flight(user)
+
+		-- take item
+		itemstack:take_item()
+
+		-- return empty bottle
+		local inv = user:get_inventory()
+
+		if inv:room_for_item("main", {name = "vessels:glass_bottle"}) then
+			user:get_inventory():add_item("main", "vessels:glass_bottle")
+		else
+			local pos = user:get_pos()
+			pos.y = pos.y + 0.5
+			minetest.add_item(pos, {name = "vessels:glass_bottle"})
+		end
+
+		return itemstack
+	end
+})
+
+
+-- recipe
+if ethereal.flight then
+minetest.register_craft({
+	output = "ethereal:flight_potion",
+	recipe = {
+		{"ethereal:etherium_dust", "ethereal:etherium_dust", "ethereal:etherium_dust"},
+		{"ethereal:etherium_dust", "ethereal:fire_dust", "ethereal:etherium_dust"},
+		{"ethereal:etherium_dust", "vessels:glass_bottle", "ethereal:etherium_dust"},
+	}
+})
+end

init.lua

@@ -19,6 +19,7 @@ ethereal = {
 	papyruswalk = minetest.settings:get_bool('ethereal.papyruswalk', true),
 	lilywalk = minetest.settings:get_bool('ethereal.lilywalk', true),
 	xcraft = minetest.settings:get_bool('ethereal.xcraft', true),
+	flight = minetest.settings:get_bool('ethereal.flight', true),
 
 	glacier = minetest.settings:get('ethereal.glacier') or 1,
 	bamboo = minetest.settings:get('ethereal.bamboo') or 1,
@@ -109,6 +110,10 @@ dofile(path .. "/compatibility.lua")
 dofile(path .. "/stairs.lua")
 dofile(path .. "/lucky_block.lua")
 
+if ethereal.flight then
+	dofile(path .. "/flight.lua")
+end
+
 -- Set bonemeal aliases
 if minetest.get_modpath("bonemeal") then
 	minetest.register_alias("ethereal:bone", "bonemeal:bone")

lucky_block.lua

@@ -33,6 +33,7 @@ lucky_block:add_blocks({
 	{"dro", {"ethereal:willow_sapling"} ,5},
 	{"dro", {"ethereal:mushroom_sapling"} ,5},
 	{"dro", {"ethereal:palm_sapling"} ,5},
+	{"dro", {"ethereal:flight_potion", 1},
 	{"dro", {"ethereal:birch_sapling"} ,5},
 	{"dro", {"ethereal:redwood_sapling"} ,1},
 	{"dro", {"ethereal:prairie_dirt"}, 10},

settings.conf_example

@@ -11,6 +11,7 @@ ethereal.torchdrop = true -- torches drop when touching water
 ethereal.papyruswalk = true -- papyrus can be walked on
 ethereal.lilywalk = true -- waterlilies can be walked on
 ethereal.xcraft = true -- allow cheat crafts for cobble->gravel->dirt->sand, ice->snow, dry dirt->desert sand
+ethereal.flight = true -- allow flight potion recipe
 
 -- Set following to 1 to enable biome or false to disable
 ethereal.glacier   = 1 -- Ice glaciers with snow

settingtypes.txt

@@ -6,6 +6,7 @@ ethereal.torchdrop (Torches drop when in water) bool true
 ethereal.papyruswalk (Papyrus and Bamboo are walkable) bool true
 ethereal.lilywalk (Lilypads are walkable) bool true
 ethereal.xcraft (Enable X-Craft cheats) bool true
+ethereal.flight (Enable Flight Potion) bool true
 
 ethereal.glacier (Glacier biome, 1 = Enable / 0 = Disable) int 1
 ethereal.bambo (Bamboo biome, 1 = Enable / 0 = Disable) int 1