Use 'flat' mapgen for new worlds
Reset the noise values to really avoid other biomesmaster
SmallJoker
parent
28f08723b1
commit
fbda7e30ee
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@ -0,0 +1 @@
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default
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186
init.lua
186
init.lua
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@ -1,142 +1,60 @@
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-- flatgen mod for 100% flat maps - created by Krock
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-- License: WTFPL
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-- License: CC0
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local terrain_file = minetest.get_worldpath() .."/flatgen_terrain.txt"
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-- Y position where the terrain starts to generate
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local generator_start_y = 1
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-- Default settings: grass, dirt, dirt, dirt with stone ground
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local layers = {
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{ "default:dirt_with_grass", 1 },
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{ "default:dirt", 3 },
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{ "default:stone", nil } -- nil = no limit
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-- Fake ignore to generate whenever you want: { "ignore_me", 1 }
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}
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-- Backwards compatiblity
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local file = io.open(terrain_file, "r")
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if file then
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minetest.log("warning", "[flatgen] Found an existing terrain file. "
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.. "Falling back to legacy code")
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local legacy_file = minetest.get_modpath("flatgen") .. "/init_legacy.lua"
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assert(loadfile(legacy_file))(terrain_file, generator_start_y)
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return
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end
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minetest.set_mapgen_params({
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mgname = "singlenode",
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water_level = -31000,
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flags = "nolight"
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if not minetest.set_mapgen_setting then
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error("[flatgen] Your Minetest version is no longer supported."
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.. " (Version < 0.4.16)")
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end
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minetest.set_mapgen_setting("mg_name", "flat", true)
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minetest.set_mapgen_setting("water_level", "-31000", true)
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minetest.set_mapgen_setting("mg_flags",
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"light,nocaves,nodungeons,nolight,nodecorations,nobiomes", true)
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minetest.set_mapgen_setting("mgflat_spflags", "nolakes,nohills", true)
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minetest.set_mapgen_setting("mgflat_ground_level", tostring(generator_start_y), true)
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-- Biomes still occur without this stuff
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local set_mgparam = minetest.set_mapgen_setting_noiseparams
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local function get_noiseparams(_offset)
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return {
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flags = "defaults",
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lacunarity = 0,
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offset = _offset,
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scale = 0,
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spread = {x=1,y=1,z=1},
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seed = 0,
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octaves = 0,
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persistence = 0
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}
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end
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set_mgparam("mg_biome_np_heat", get_noiseparams(60), true)
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set_mgparam("mg_biome_np_heat_blend", get_noiseparams(0), true)
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set_mgparam("mg_biome_np_humidity", get_noiseparams(67), true)
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set_mgparam("mg_biome_np_humidity_blend", get_noiseparams(0), true)
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-- Extend the depth of the grassland biome (y_min)
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minetest.register_biome({
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name = "deep_grassy_deciduous_forest",
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node_top = "default:dirt_with_grass",
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depth_top = 1,
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node_filler = "default:dirt",
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depth_filler = 3,
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y_max = 31000,
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y_min = -1000,
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heat_point = 60,
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humidity_point = 67,
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})
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local function readOrCreateTerrainSettings()
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local file = io.open(terrain_file, "r")
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if file then
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-- Load existing world file
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local data = minetest.deserialize(file:read("*all"))
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file:close()
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assert(data, "[flatgen] Can not deserialize the terrain file")
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layers = data
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return
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end
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-- Copy default params to the world file
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file = io.open(terrain_file, "w")
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file:write(minetest.serialize(layers))
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file:close()
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end
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readOrCreateTerrainSettings()
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minetest.after(0, function()
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-- Transform node strings to content ID
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for i, v in ipairs(layers) do
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assert(minetest.registered_nodes[v[1]], "[flatgen] Unknown node: "..v[1])
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v[1] = minetest.get_content_id(v[1])
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end
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end)
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minetest.register_chatcommand("regenerate", {
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description = "Regenerates a <size>^3 nodes around you",
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params = "<size>",
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privs = {server=true},
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func = function(name, param)
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local size = tonumber(param) or 0
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if size < 10 then
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return false, "Please submit a size number >= 10"
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end
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size = math.floor(size / 2)
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local player = minetest.get_player_by_name(name)
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local pos = vector.round(player:getpos())
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flatgen_generate(
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vector.subtract(pos, size),
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vector.add(pos, size),
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0, true
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)
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return true, "Done!"
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end
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})
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local c_air = minetest.get_content_id("air")
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function flatgen_getNode(y, regenerate)
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if y > generator_start_y then
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return c_air
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end
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local depth = generator_start_y
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for i, v in ipairs(layers) do
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if not v[2] or depth - v[2] < y then
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return v[1]
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end
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depth = depth - v[2]
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end
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return regenerate and c_air --or nil
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end
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function flatgen_generate(minp, maxp, seed, regenerate)
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if minp.y > generator_start_y then
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return -- Area outside of the generation area
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end
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if not flatgen_getNode(maxp.y) then
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return -- No node defined for that position or below
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end
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local vm, emin, emax
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if regenerate then -- Load regular VManip to regenerate area
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vm = minetest.get_voxel_manip()
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emin, emax = vm:read_from_map(minp, maxp)
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else -- Load VManip from map generator
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vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
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end
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local area = VoxelArea:new{MinEdge=emin, MaxEdge=emax}
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local data = vm:get_data()
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for z = minp.z, maxp.z do
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for y = minp.y, maxp.y do
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local vi = area:index(minp.x, y, z)
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local node = flatgen_getNode(y, regenerate)
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for x = minp.x, maxp.x do
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if node then
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data[vi] = node
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end
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vi = vi + 1
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end
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end
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end
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vm:set_data(data)
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if not regenerate then
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vm:set_lighting({day=0, night=0})
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end
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vm:calc_lighting()
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vm:write_to_map(data)
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if regenerate then
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vm:update_map()
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end
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end
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table.insert(minetest.registered_on_generateds, 1, flatgen_generate)
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minetest.register_node(":ignore_me", {
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description = "You hacker you!",
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tiles = {"default_cloud.png"},
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paramtype = "light",
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sunlight_propagates = true,
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pointable = false,
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drop = "",
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})
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@ -0,0 +1,143 @@
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-- Fallback code in case there's already a terrain configuration file existing
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-- License: CC0
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local params = { ... }
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local terrain_file = params[1]
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-- Y position where the terrain starts to generate
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local generator_start_y = params[2]
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-- Default settings: grass, dirt, dirt, dirt with stone ground
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local layers = {
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{ "default:dirt_with_grass", 1 },
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{ "default:dirt", 3 },
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{ "default:stone", nil } -- nil = no limit
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-- Fake ignore to generate whenever you want: { "ignore_me", 1 }
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}
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minetest.set_mapgen_params({
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mgname = "singlenode",
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water_level = -31000,
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flags = "light"
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})
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local function readOrCreateTerrainSettings()
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local file = io.open(terrain_file, "r")
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if file then
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-- Load existing world file
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local data = minetest.deserialize(file:read("*all"))
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file:close()
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assert(data, "[flatgen] Can not deserialize the terrain file")
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layers = data
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return
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end
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-- Copy default params to the world file
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file = io.open(terrain_file, "w")
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file:write(minetest.serialize(layers))
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file:close()
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end
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readOrCreateTerrainSettings()
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minetest.after(0, function()
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-- Transform node strings to content ID
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for i, v in ipairs(layers) do
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assert(minetest.registered_nodes[v[1]], "[flatgen] Unknown node: "..v[1])
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v[1] = minetest.get_content_id(v[1])
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end
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end)
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minetest.register_chatcommand("regenerate", {
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description = "Regenerates a <size>^3 nodes around you",
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params = "<size>",
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privs = {server=true},
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func = function(name, param)
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local size = tonumber(param) or 0
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if size < 10 then
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return false, "Please submit a size number >= 10"
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end
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size = math.floor(size / 2)
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local player = minetest.get_player_by_name(name)
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local pos = vector.round(player:getpos())
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flatgen_generate(
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vector.subtract(pos, size),
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vector.add(pos, size),
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0, true
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)
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return true, "Done!"
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end
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})
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local c_air = minetest.get_content_id("air")
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function flatgen_getNode(y, regenerate)
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if y > generator_start_y then
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return c_air
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end
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local depth = generator_start_y
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for i, v in ipairs(layers) do
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if not v[2] or depth - v[2] < y then
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return v[1]
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end
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depth = depth - v[2]
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end
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return regenerate and c_air --or nil
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end
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function flatgen_generate(minp, maxp, seed, regenerate)
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if minp.y > generator_start_y then
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return -- Area outside of the generation area
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end
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if not flatgen_getNode(maxp.y) then
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return -- No node defined for that position or below
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end
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local vm, emin, emax
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if regenerate then -- Load regular VManip to regenerate area
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vm = minetest.get_voxel_manip()
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emin, emax = vm:read_from_map(minp, maxp)
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else -- Load VManip from map generator
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vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
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end
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local area = VoxelArea:new{MinEdge=emin, MaxEdge=emax}
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local data = vm:get_data()
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for z = minp.z, maxp.z do
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for y = minp.y, maxp.y do
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local vi = area:index(minp.x, y, z)
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local node = flatgen_getNode(y, regenerate)
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for x = minp.x, maxp.x do
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if node then
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data[vi] = node
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end
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vi = vi + 1
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end
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end
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end
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vm:set_data(data)
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if not regenerate then
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vm:set_lighting({day=0, night=0})
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end
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vm:calc_lighting()
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vm:write_to_map(data)
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if regenerate then
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vm:update_map()
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end
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end
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table.insert(minetest.registered_on_generateds, 1, flatgen_generate)
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minetest.register_node(":ignore_me", {
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description = "You hacker you!",
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tiles = {"default_cloud.png"},
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paramtype = "light",
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sunlight_propagates = true,
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pointable = false,
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drop = "",
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})
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