skyblock.lua

   1 elidragon.skyblock = {}
   2
   3 --helper functions
   4
   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))
  11 end
  12 local function spiralt(side)
  13         local ret, id, start, stop = {}, 0, math.floor((-side+1)/2), math.floor((side-1)/2)
  14         for i = 1, side do
  15                 for j = 1, side do
  16                         local id = side^2 - sindex(stop - i + 1,start + j - 1)
  17                         ret[id] = {x=i,z=j}
  18                 end
  19         end
  20         return ret
  21 end
  22
  23 local function ripairs(t)
  24         local function ripairs_it(t,i)
  25                 i=i-1
  26                 local v=t[i]
  27                 if v==nil then return v end
  28                 return i,v
  29         end
  30         return ripairs_it, t, #t+1
  31 end
  32
  33 -- start positions
  34
  35 function elidragon.skyblock.load_legacy_start_positions()
  36         local file = io.open(minetest.get_worldpath() .. "/skyblock.start_positions", "r")
  37         if file then
  38                 local start_positions = {}
  39                 while true do
  40                         local x = file:read("*n")
  41                         if x == nil then
  42                                 break
  43                         end
  44                         local y = file:read("*n")
  45                         local z = file:read("*n")
  46                         table.insert(start_positions, {x = x, y = y, z = z})
  47                 end
  48                 file:close()
  49                 return start_positions
  50         end
  51 end
  52
  53 function elidragon.skyblock.load_start_positions()
  54         local file = io.open(minetest.get_worldpath() .. "/start_positions", "r")
  55         if file then
  56                 local start_positions = minetest.deserialize(file:read())
  57                 file:close()
  58                 return start_positions
  59         end
  60 end
  61
  62 function elidragon.skyblock.save_start_positions(start_positions)
  63         local file = io.open(minetest.get_worldpath() .. "/start_positions", "w")
  64         file:write(minetest.serialize(start_positions))
  65         file:close()
  66 end
  67
  68 function elidragon.skyblock.generate_start_positions()
  69         local start_positions = {}
  70         for _, v in ripairs(spiralt(1000)) do
  71                 local pos = {x = v.x * 32, y = math.random(4 - 8, 4 + 8), z = v.z * 32}
  72                 table.insert(start_positions, pos)
  73         end
  74         return start_positions
  75 end
  76
  77 elidragon.skyblock.start_positions = elidragon.skyblock.load_start_positions()
  78
  79 if not elidragon.skyblock.start_positions then
  80         elidragon.skyblock.start_positions = elidragon.skyblock.load_legacy_start_positions() or elidragon.skyblock.generate_start_positions()
  81         elidragon.skyblock.save_start_positions(elidragon.skyblock.start_positions)
  82 end
  83
  84 function elidragon.skyblock.load_legacy_last_start_id()
  85         local file = io.open(minetest.get_worldpath() .. "/skyblock.last_start_id", "r")
  86         if file then
  87                 local last_start_id = tonumber(file:read())
  88                 file:close()
  89                 return last_start_id
  90         end
  91 end
  92
  93 elidragon.savedata.last_start_id = elidragon.savedata.last_start_id or elidragon.skyblock.load_legacy_last_start_id() or 0
  94
  95 -- spawns
  96
  97 function elidragon.skyblock.get_spawn(name)
  98         return elidragon.savedata.spawns[name]
  99 end
 100
 101 function elidragon.skyblock.set_spawn(name, pos)
 102         elidragon.savedata.spawns[name] = pos
 103 end
 104
 105 function elidragon.skyblock.spawn_player(player)
 106         if not player then return end
 107         local name = player:get_player_name()
 108         local spawn = elidragon.skyblock.get_spawn(name) or elidragon.skyblock.new_spawn(name)
 109         player:set_pos({x = spawn.x + 2, y = spawn.y + 2, z = spawn.z + 2})
 110 end
 111
 112 function elidragon.skyblock.new_spawn(name)
 113         local spawn
 114         repeat
 115                 elidragon.savedata.last_start_id = elidragon.savedata.last_start_id + 1
 116                 spawn = elidragon.skyblock.start_positions[elidragon.savedata.last_start_id]
 117         until not minetest.is_protected(spawn, name)
 118         elidragon.skyblock.set_spawn(name, spawn)
 119         local file = io.open(minetest.get_modpath("elidragon") .. "/schems/island.we", "r")
 120         local schem = file:read()
 121         file:close()
 122         worldedit.deserialize(vector.add(spawn, {x = -3, y = -4, z = -3}), schem)
 123         return spawn
 124 end
 125
 126 function elidragon.skyblock.load_legacy_spawns()
 127     local file = io.open(minetest.get_worldpath() .. "/skyblock.spawn", "r")
 128     if file then
 129                 local spawns = {}
 130         while true do
 131             local x = file:read("*n")
 132             if x == nil then
 133                 break
 134             end
 135             local y = file:read("*n")
 136             local z = file:read("*n")
 137             local name = file:read("*l")
 138             spawns[name:sub(2)] = {x = x, y = y, z = z}
 139         end
 140         file:close()
 141         return spawns
 142         end
 143 end
 144
 145 elidragon.savedata.spawns = elidragon.savedata.spawns or elidragon.skyblock.load_legacy_spawns() or {}
 146
 147 -- node
 148
 149 minetest.register_node("elidragon:skyblock", {
 150         description = "Skyblock",
 151         tiles = {"elidragon_quest.png"},
 152         paramtype = "light",
 153         light_source = 14,
 154         groups = {crumbly=2, cracky=2},
 155 })
 156
 157 minetest.register_alias("skyblock:quest", "elidragon:skyblock")
 158
 159 -- mapgen
 160
 161 minetest.register_on_mapgen_init(function(mgparams)
 162         minetest.set_mapgen_params({mgname = "singlenode", water_level = -32000})
 163 end)
 164
 165 -- respawn
 166
 167 minetest.register_on_respawnplayer(function(player)
 168         elidragon.skyblock.spawn_player(player)
 169         return true
 170 end)
 171
 172 -- remove legacy cloud layer
 173
 174 minetest.register_lbm({
 175         nodenames = {"default:cloud"},
 176         name = "elidragon:remove_cloud_layer",
 177         action = function(pos)
 178                 if pos.y == -10 then
 179                         minetest.set_node(pos, { name = "air"})
 180                 end
 181         end
 182 })
 183
 184 -- remove inventory from quest block
 185
 186 minetest.register_lbm({
 187         nodenames = {"elidragon:skyblock", "skyblock:quest"},
 188         name = "elidragon:remove_inventory_from_quest_block",
 189         action = function(pos)
 190                 minetest.get_meta(pos):set_string("formspec", "")
 191                 minetest.get_meta(pos):set_string("infotext", "")
 192         end
 193 })
 194
 195 -- ores
 196
 197 minetest.after(0, function()
 198         default.cool_lava = function(pos, oldnode)
 199                 local node
 200                 if oldnode.name == "default:lava_source" then
 201                         node = "default:obsidian"
 202                 elseif math.random() < 0.0001 then
 203                         node = "moreores:mineral_mithril"
 204                 elseif math.random() < 0.0003 then
 205                         node = "default:stone_with_diamond"
 206                 elseif math.random() < 0.0005 then
 207                         node = "default:stone_with_mese"
 208                 elseif math.random() < 0.001 then
 209                         node = "default:stone_with_gold"
 210                 elseif math.random() < 0.001 then
 211                         node = "technic:mineral_chromium"
 212                 elseif math.random() < 0.001 then
 213                         node = "technic:mineral_zinc"
 214                 elseif math.random() < 0.0012 then
 215                         node = "technic:mineral_uranium"
 216                 elseif math.random() < 0.0015 then
 217                         node = "default:stone_with_tin"
 218                 elseif math.random() < 0.002 then
 219                         node = "default:stone_with_copper"
 220                 elseif math.random() < 0.0025 then
 221                         node = "technic:mineral_sulfur"
 222                 elseif math.random() < 0.0033 then
 223                         node = "default:stone_with_iron"
 224                 elseif math.random() < 0.004 then
 225                         node = "moreores:mineral_silver"
 226                 elseif math.random() < 0.0045 then
 227                         node = "technic:mineral_lead"
 228                 elseif math.random() < 0.005 then
 229                         node = "default:stone_with_coal"
 230                 else
 231                         node = "default:stone"
 232                 end
 233                 minetest.set_node(pos, {name = node})
 234                 minetest.sound_play("default_cool_lava", {pos = pos, max_hear_distance = 16, gain = 0.25}, true)
 235         end
 236 end)
 237
 238 -- saplings
 239
 240 minetest.after(0, function()
 241         minetest.register_alias("default:pine_leaves", "default:pine_needles")
 242         minetest.register_alias("default:pine_bush_leaves", "default:pine_bush_needles")
 243         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_", }
 244         for _, tree in pairs(trees) do
 245                 local items = {}
 246                 items[#items + 1] = {
 247                         items = {tree .. "sapling"},
 248                         rarity = 20,
 249                 }
 250                 for _, stree in pairs(trees) do
 251                         if stree ~= tree then
 252                                 items[#items + 1] = {
 253                                         items = {stree .. "sapling"},
 254                                         rarity = 10000,
 255                                 }
 256                         end
 257                 end
 258                 items[#items + 1] = {
 259                         items = {tree .. "leaves"},
 260                 }
 261                 minetest.registered_nodes[tree .. "leaves"].drop = {max_items = 1, items = items}
 262         end
 263 end)
 264
 265 -- flowers
 266
 267 minetest.register_abm({
 268         nodenames = {"default:dirt_with_grass"},
 269         interval = 300,
 270         chance = 100,
 271         action = function(pos, node)
 272                 pos.y = pos.y + 1
 273                 local light = minetest.get_node_light(pos) or 0
 274                 if minetest.get_node(pos).name == "air" and light > 12 and not minetest.find_node_near(pos, 2, {"group:flora"}) then
 275                         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"}
 276                         minetest.set_node(pos, {name = flowers[math.random(#flowers)]})
 277                 end
 278         end
 279 })
 280
 281 -- recipes
 282
 283 minetest.register_craft({
 284         output = "default:desert_sand",
 285         recipe = {
 286                 {"default:sand"},
 287                 {"default:gravel"},
 288         }
 289 })
 290
 291 minetest.register_craft({
 292         output = "default:desert_stone",
 293         recipe = {
 294                 {"default:desert_sand", "default:desert_sand", "default:desert_sand"},
 295                 {"default:desert_sand", "default:desert_sand", "default:desert_sand"},
 296                 {"default:desert_sand", "default:desert_sand", "default:desert_sand"},
 297         }
 298 })
 299
 300 minetest.register_craft({
 301         output = "default:sand 4",
 302         recipe = {
 303                 {"default:obsidian_shard"},
 304         }
 305 })
 306
 307 minetest.register_craft({
 308         output = "default:gravel 2",
 309         recipe = {
 310                 {"default:cobble"},
 311         }
 312 })
 313
 314 minetest.register_craft({
 315         output = "default:dirt 2",
 316         recipe = {
 317                 {"default:gravel"},
 318         }
 319 })
 320
 321 minetest.register_craft({
 322         output = "default:clay_lump 4",
 323         recipe = {
 324                 {"default:dirt"},
 325         }
 326 })
 327
 328 minetest.register_craft({
 329         output = "default:ice",
 330         recipe = {
 331                 {"bucket:bucket_water"},
 332         }
 333 })
 334
 335 minetest.register_craft({
 336         output = "default:snowblock 4",
 337         recipe = {
 338                 {"default:ice"},
 339         }
 340 })
 341
 342 minetest.register_craft({
 343         type = "cooking",
 344         output = "default:lava_source",
 345         recipe = "default:stone",
 346 })
 347
 348 minetest.register_craft({
 349         output = "default:silver_sand 9",
 350         recipe = {
 351                 {"default:sand", "default:sand", "default:sand"},
 352                 {"default:sand", "moreores:silver_lump", "default:sand"},
 353                 {"default:sand", "default:sand", "default:sand"},
 354         }
 355 })
 356
 357 -- commands
 358
 359 minetest.register_chatcommand("set_skyblock_spawn", {
 360     param = "<player> <x> <y> <z>",
 361     desc = "Change the skyblocks spawn of a player",
 362     privs = {server = true},
 363     func = function(admin, param)
 364         local name = param:split(" ")[1]
 365         local x = tonumber(param:split(" ")[2])
 366         local y = tonumber(param:split(" ")[3])
 367         local z = tonumber(param:split(" ")[4])
 368         if name and x and y and z then
 369             elidragon.skyblock.set_spawn(name, {x = x, y = y, z = z})
 370         else
 371             minetest.chat_send_player(admin, "Invalid usage.")
 372         end
 373     end
 374 })
 375
 376 minetest.register_chatcommand("island", {
 377         params = "",
 378         description = "Teleport to your Island",
 379         func = function(name, param)
 380                 elidragon.skyblock.spawn_player(minetest.get_player_by_name(name))
 381         end,
 382 })