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.generate_start_positions()
  54         local start_positions = {}
  55         for _, v in ripairs(spiralt(1000)) do
  56                 local pos = {x = v.x * 32, y = math.random(4 - 8, 4 + 8), z = v.z * 32}
  57                 table.insert(start_positions, pos)
  58         end
  59         return start_positions
  60 end
  61
  62 elidragon.start_positions = elidragon.skyblock.load_legacy_start_positions() or elidragon.skyblock.generate_start_positions()
  63
  64 function elidragon.skyblock.load_legacy_last_start_id()
  65         local file = io.open(minetest.get_worldpath() .. "/skyblock.last_start_id", "r")
  66         if file then
  67                 local last_start_id = tonumber(file:read())
  68                 file:close()
  69                 return last_start_id
  70         end
  71 end
  72
  73 elidragon.savedata.last_start_id = elidragon.savedata.last_start_id or elidragon.skyblock.load_legacy_last_start_id() or 0
  74
  75 -- spawns
  76
  77 function elidragon.skyblock.get_spawn(name)
  78         return elidragon.savedata.spawns[name]
  79 end
  80
  81 function elidragon.skyblock.set_spawn(name, pos)
  82         elidragon.savedata.spawns[name] = pos
  83 end
  84
  85 function elidragon.skyblock.spawn_player(player)
  86         if not player then return end
  87         local name = player:get_player_name()
  88         local spawn = elidragon.skyblock.get_spawn(name) or elidragon.skyblock.new_spawn(name)
  89         player:set_pos({x = spawn.x + 2, y = spawn.y + 2, z = spawn.z + 2})
  90 end
  91
  92 function elidragon.skyblock.new_spawn(name)
  93         local spawn
  94         repeat
  95                 elidragon.savedata.last_start_id = elidragon.savedata.last_start_id + 1
  96                 spawn = elidragon.start_positions[elidragon.savedata.last_start_id]
  97         until not minetest.is_protected(spawn, name)
  98         elidragon.skyblock.set_spawn(name, spawn)
  99         local file = io.open(minetest.get_modpath("elidragon") .. "/schems/island.we", "r")
 100         local schem = file:read()
 101         file:close()
 102         worldedit.deserialize(vector.add(spawn, {x = -3, y = -4, z = -3}), schem)
 103         return spawn
 104 end
 105
 106 function elidragon.skyblock.load_legacy_spawns()
 107     local file = io.open(minetest.get_worldpath() .. "/skyblock.spawn", "r")
 108     if file then
 109                 local spawns = {}
 110         while true do
 111             local x = file:read("*n")
 112             if x == nil then
 113                 break
 114             end
 115             local y = file:read("*n")
 116             local z = file:read("*n")
 117             local name = file:read("*l")
 118             spawns[name:sub(2)] = {x = x, y = y, z = z}
 119         end
 120         file:close()
 121         return spawns
 122         end
 123 end
 124
 125 elidragon.savedata.spawns = elidragon.savedata.spawns or elidragon.skyblock.load_legacy_spawns() or {}
 126
 127
 128 -- level
 129 --[[
 130 minetest.register_chatcommand("level", {
 131         description = "Get/set the current level of a player",
 132         params = "<player> [<level>]",
 133         func = function(name, param)
 134                 local target = param:split(" ")[1]
 135                 local level = tonumber(param:split(" ")[2])
 136                 if not level then
 137                         minetest.chat_send_player(name, target .. " is on level " .. elidragon.skyblock.get_level(target))
 138                 elseif minetest.check_player_privs(name, {server = true}) and elidragon.skyblock.set_level(target, level) then
 139                         minetest.chat_send_player(name, target .. " has been set to level " .. level)
 140                 else
 141                         minetest.chat_send_player(name, "Cannot change " .. target .. " to level " .. level)
 142                 end
 143         end,
 144 })
 145 ]]--
 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() < 0.001 then
 203                         node = "moreores:mineral_mithril"
 204                 elseif math.random() < 0.003 then
 205                         node = "default:stone_with_diamond"
 206                 elseif math.random() < 0.005 then
 207                         node = "default:stone_with_mese"
 208                 elseif math.random() < 0.01 then
 209                         node = "default:stone_with_gold"
 210                 elseif math.random() < 0.015 then
 211                         node = "default:stone_with_tin"
 212                 elseif math.random() < 0.02 then
 213                         node = "default:stone_with_copper"
 214                 elseif math.random() < 0.033 then
 215                         node = "default:stone_with_iron"
 216                 elseif math.random() < 0.04 then
 217                         node = "moreores:mineral_silver"
 218                 elseif math.random() < 0.05 then
 219                         node = "default:stone_with_coal"
 220                 else
 221                         node = "default:stone"
 222                 end
 223                 minetest.set_node(pos, {name = node})
 224                 minetest.sound_play("default_cool_lava", {pos = pos, max_hear_distance = 16, gain = 0.25}, true)
 225         end
 226 end)
 227
 228 -- saplings
 229
 230 minetest.after(0, function()
 231         minetest.register_alias("default:pine_leaves", "default:pine_needles")
 232         minetest.register_alias("default:pine_bush_leaves", "default:pine_bush_needles")
 233         local trees = {"default:", "default:jungle", "default:pine_", "default:acacia_", "default:aspen_", "default:bush_", "default:blueberry_bush_", "default:acacia_bush_", "default:pine_bush_",}
 234         for _, tree in pairs(trees) do
 235                 local items = {}
 236                 items[#items + 1] = {
 237                         items = {tree .. "sapling"},
 238                         rarity = 20,
 239                 }
 240                 for _, stree in pairs(trees) do
 241                         if stree ~= tree then
 242                                 items[#items + 1] = {
 243                                         items = {stree .. "sapling"},
 244                                         rarity = 1000,
 245                                 }
 246                         end
 247                 end
 248                 items[#items + 1] = {
 249                         items = {tree .. "leaves"},
 250                 }
 251                 minetest.registered_nodes[tree .. "leaves"].drop = {max_items = 1, items = items}
 252         end
 253 end)
 254
 255 -- flowers
 256
 257 minetest.register_abm({
 258         nodenames = {"default:dirt_with_grass"},
 259         interval = 300,
 260         chance = 100,
 261         action = function(pos, node)
 262                 pos.y = pos.y + 1
 263                 local light = minetest.get_node_light(pos) or 0
 264                 if minetest.get_node(pos).name == "air" and light > 12 and not minetest.find_node_near(pos, 2, {"group:flora"}) then
 265                         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"}
 266                         minetest.set_node(pos, {name = flowers[math.random(#flowers)]})
 267                 end
 268         end
 269 })
 270
 271 -- recipes
 272
 273 minetest.register_craft({
 274         output = "default:desert_sand",
 275         recipe = {
 276                 {"default:sand"},
 277                 {"default:gravel"},
 278         }
 279 })
 280
 281 minetest.register_craft({
 282         output = "default:desert_stone",
 283         recipe = {
 284                 {"default:desert_sand", "default:desert_sand"},
 285                 {"default:desert_sand", "default:desert_sand"},
 286         }
 287 })
 288
 289 minetest.register_craft({
 290         output = "default:sand 4",
 291         recipe = {
 292                 {"default:obsidian_shard"},
 293         }
 294 })
 295
 296 minetest.register_craft({
 297         output = "default:gravel 2",
 298         recipe = {
 299                 {"default:cobble"},
 300         }
 301 })
 302
 303 minetest.register_craft({
 304         output = "default:dirt 2",
 305         recipe = {
 306                 {"default:gravel"},
 307         }
 308 })
 309
 310 minetest.register_craft({
 311         output = "default:clay_lump 4",
 312         recipe = {
 313                 {"default:dirt"},
 314         }
 315 })
 316
 317 minetest.register_craft({
 318         output = "default:ice",
 319         recipe = {
 320                 {"bucket:bucket_water"},
 321         }
 322 })
 323
 324 minetest.register_craft({
 325         output = "default:snowblock 4",
 326         recipe = {
 327                 {"default:ice"},
 328         }
 329 })
 330
 331 minetest.register_craft({
 332         type = "cooking",
 333         output = "default:lava_source",
 334         recipe = "default:stone",
 335 })
 336
 337 minetest.register_craft({
 338         output = "default:silver_sand 9",
 339         recipe = {
 340                 {"default:sand", "default:sand", "default:sand"},
 341                 {"default:sand", "moreores:silver_lump", "default:sand"},
 342                 {"default:sand", "default:sand", "default:sand"},
 343         }
 344 })
 345
 346 -- commands
 347
 348 minetest.register_chatcommand("set_skyblock_spawn", {
 349     param = "<player> <x> <y> <z>",
 350     desc = "Change the skyblocks spawn of a player",
 351     privs = {server = true},
 352     func = function(admin, param)
 353         local name = param:split(" ")[1]
 354         local x = tonumber(param:split(" ")[2])
 355         local y = tonumber(param:split(" ")[3])
 356         local z = tonumber(param:split(" ")[4])
 357         if name and x and y and z then
 358             elidragon.skyblock.set_spawn(name, {x = x, y = y, z = z})
 359         else
 360             minetest.chat_send_player(admin, "Invalid usage.")
 361         end
 362     end
 363 })
 364
 365 minetest.register_chatcommand("island", {
 366         params = "",
 367         description = "Teleport to your Island",
 368         func = function(name, param)
 369                 elidragon.skyblock.spawn_player(minetest.get_player_by_name(name))
 370         end,
 371 })