1 elidragon.skyblock = {}
5 -- http://rosettacode.org/wiki/Spiral_matrix#Lua
6 av, sn = math.abs, function(s) return s~=0 and s/av(s) or 0 end
7 local function sindex(y, x)
8 if y == -x and y >= x then return (2*y+1)^2 end
9 local l = math.max(av(y), av(x))
10 return (2*l-1)^2+4*l+2*l*sn(x+y)+sn(y^2-x^2)*(l-(av(y)==l and sn(y)*x or sn(x)*y))
12 local function spiralt(side)
13 local ret, id, start, stop = {}, 0, math.floor((-side+1)/2), math.floor((side-1)/2)
16 local id = side^2 - sindex(stop - i + 1,start + j - 1)
23 local function ripairs(t)
24 local function ripairs_it(t,i)
27 if v==nil then return v end
30 return ripairs_it, t, #t+1
35 function elidragon.skyblock.load_start_positions()
36 local file = io.open(minetest.get_worldpath() .. "/start_positions", "r")
38 local start_positions = minetest.deserialize(file:read())
40 return start_positions
44 function elidragon.skyblock.save_start_positions(start_positions)
45 local file = io.open(minetest.get_worldpath() .. "/start_positions", "w")
46 file:write(minetest.serialize(start_positions))
50 function elidragon.skyblock.generate_start_positions()
51 local start_positions = {}
52 for _, v in ripairs(spiralt(1000)) do
53 local pos = {x = v.x * 32, y = math.random(4 - 8, 4 + 8), z = v.z * 32}
54 table.insert(start_positions, pos)
56 return start_positions
59 elidragon.skyblock.start_positions = elidragon.skyblock.load_start_positions()
61 if not elidragon.skyblock.start_positions then
62 elidragon.skyblock.start_positions = elidragon.skyblock.generate_start_positions()
63 elidragon.skyblock.save_start_positions(elidragon.skyblock.start_positions)
66 elidragon.savedata.last_start_id = elidragon.savedata.last_start_id or 0
70 function elidragon.skyblock.get_spawn(player)
71 return minetest.string_to_pos(player:get_meta():get_string("elidragon:spawn"))
74 function elidragon.skyblock.set_spawn(player, pos)
75 player:get_meta():set_string("elidragon:spawn", minetest.pos_to_string(pos))
78 function elidragon.skyblock.spawn_player(player)
79 if not player then return end
80 local spawn = elidragon.skyblock.get_spawn(player) or elidragon.skyblock.new_spawn(player)
81 player:set_pos({x = spawn.x + 2, y = spawn.y + 2, z = spawn.z + 2})
84 function elidragon.skyblock.new_spawn(player)
85 local name = player:get_player_name()
88 elidragon.savedata.last_start_id = elidragon.savedata.last_start_id + 1
89 spawn = elidragon.skyblock.start_positions[elidragon.savedata.last_start_id]
90 until not minetest.is_protected(spawn, name)
91 elidragon.skyblock.set_spawn(player, spawn)
92 local file = io.open(minetest.get_modpath("elidragon") .. "/schems/island.we", "r")
93 local schem = file:read()
95 worldedit.deserialize(vector.add(spawn, {x = -3, y = -4, z = -3}), schem)
101 minetest.register_node("elidragon:skyblock", {
102 description = "Skyblock",
103 tiles = {"elidragon_quest.png"},
106 groups = {crumbly=2, cracky=2},
109 minetest.register_alias("skyblock:quest", "elidragon:skyblock")
113 minetest.register_on_mapgen_init(function(mgparams)
114 minetest.set_mapgen_params({mgname = "singlenode", water_level = -32000})
119 minetest.register_on_respawnplayer(function(player)
120 elidragon.skyblock.spawn_player(player)
124 -- remove legacy cloud layer
126 minetest.register_abm({
127 nodenames = {"default:cloud"},
128 label = "elidragon:remove_cloud_layer",
131 action = function(pos)
133 minetest.remove_node(pos)
138 -- remove inventory from quest block
140 minetest.register_lbm({
141 nodenames = {"elidragon:skyblock", "skyblock:quest"},
142 name = "elidragon:remove_inventory_from_quest_block",
143 action = function(pos)
144 minetest.get_meta(pos):set_string("formspec", "")
145 minetest.get_meta(pos):set_string("infotext", "")
151 minetest.after(0, function()
152 default.cool_lava = function(pos, oldnode)
154 if oldnode.name == "default:lava_source" then
155 node = "default:obsidian"
156 elseif math.random() < 0.0001 then
157 node = "moreores:mineral_mithril"
158 elseif math.random() < 0.0003 then
159 node = "default:stone_with_diamond"
160 elseif math.random() < 0.0005 then
161 node = "default:stone_with_mese"
162 elseif math.random() < 0.001 then
163 node = "default:stone_with_gold"
164 elseif math.random() < 0.001 then
165 node = "technic:mineral_chromium"
166 elseif math.random() < 0.001 then
167 node = "technic:mineral_zinc"
168 elseif math.random() < 0.0012 then
169 node = "technic:mineral_uranium"
170 elseif math.random() < 0.0015 then
171 node = "default:stone_with_tin"
172 elseif math.random() < 0.002 then
173 node = "default:stone_with_copper"
174 elseif math.random() < 0.0025 then
175 node = "technic:mineral_sulfur"
176 elseif math.random() < 0.0033 then
177 node = "default:stone_with_iron"
178 elseif math.random() < 0.004 then
179 node = "moreores:mineral_silver"
180 elseif math.random() < 0.0045 then
181 node = "technic:mineral_lead"
182 elseif math.random() < 0.005 then
183 node = "default:stone_with_coal"
185 node = "default:stone"
187 minetest.set_node(pos, {name = node})
188 minetest.sound_play("default_cool_lava", {pos = pos, max_hear_distance = 16, gain = 0.25}, true)
194 minetest.after(0, function()
195 minetest.register_alias("default:pine_leaves", "default:pine_needles")
196 minetest.register_alias("default:pine_bush_leaves", "default:pine_bush_needles")
197 local trees = {"default:", "default:jungle", "default:pine_", "default:acacia_", "default:aspen_", "default:bush_", "default:blueberry_bush_", "default:acacia_bush_", "default:pine_bush_", "moretrees:apple_tree_", "moretrees:beech_", "moretrees:cedar_", "moretrees:date_palm_", "moretrees:fir_", "moretrees:oak_", "moretrees:palm_", "moretrees:poplar_", "moretrees:sequoia_", "moretrees:spruce_", "moretrees:willow_", }
198 for _, tree in pairs(trees) do
200 items[#items + 1] = {
201 items = {tree .. "sapling"},
204 for _, stree in pairs(trees) do
205 if stree ~= tree then
206 items[#items + 1] = {
207 items = {stree .. "sapling"},
212 items[#items + 1] = {
213 items = {tree .. "leaves"},
215 minetest.registered_nodes[tree .. "leaves"].drop = {max_items = 1, items = items}
221 minetest.register_abm({
222 nodenames = {"default:dirt_with_grass"},
225 action = function(pos, node)
227 local light = minetest.get_node_light(pos) or 0
228 if minetest.get_node(pos).name == "air" and light > 12 and not minetest.find_node_near(pos, 2, {"group:flora"}) then
229 local flowers = {"default:junglegrass", "default:grass_1", "flowers:dandelion_white", "flowers:dandelion_yellow", "flowers:geranium", "flowers:rose", "flowers:tulip", "flowers:tulip_black", "flowers:viola", "flowers:chrysanthemum_green"}
230 minetest.set_node(pos, {name = flowers[math.random(#flowers)]})
237 minetest.register_craft({
238 output = "default:desert_sand",
245 minetest.register_craft({
246 output = "default:desert_stone",
248 {"default:desert_sand", "default:desert_sand", "default:desert_sand"},
249 {"default:desert_sand", "default:desert_sand", "default:desert_sand"},
250 {"default:desert_sand", "default:desert_sand", "default:desert_sand"},
254 minetest.register_craft({
255 output = "default:sand 4",
257 {"default:obsidian_shard"},
261 minetest.register_craft({
262 output = "default:gravel 2",
268 minetest.register_craft({
269 output = "default:dirt 2",
275 minetest.register_craft({
276 output = "default:clay_lump 4",
282 minetest.register_craft({
283 output = "default:ice",
285 {"bucket:bucket_water"},
289 minetest.register_craft({
290 output = "default:snowblock 4",
296 minetest.register_craft({
298 output = "default:lava_source",
299 recipe = "default:stone",
302 minetest.register_craft({
303 output = "default:silver_sand 9",
305 {"default:sand", "default:sand", "default:sand"},
306 {"default:sand", "moreores:silver_lump", "default:sand"},
307 {"default:sand", "default:sand", "default:sand"},
313 minetest.register_chatcommand("island", {
315 description = "Teleport to your Island",
316 func = function(name, param)
317 local player = minetest.get_player_by_name(name)
318 if not player then return end
319 elidragon.skyblock.spawn_player(player)
323 minetest.register_chatcommand("set_skyblock_spawn", {
324 params = "<name> <x> <y> <z>",
325 description = "Set new skyblock spawn for <name>",
326 privs = {server = true},
327 func = function(sender, param)
328 local name = param:split(" ")[1]
329 local x = tonumber(param:split(" ")[2])
330 local y = tonumber(param:split(" ")[3])
331 local z = tonumber(param:split(" ")[4])
332 if name and x and y and z and minetest.get_player_by_name(name) then
333 elidragon.skyblock.set_spawn(minetest.get_player_by_name(name), {x = x, y = y, z = z})
335 minetest.chat_send_player(sender, "Invalid usage or player not online")