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README.txt
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README.txt
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flexrealm 0.1.0 by paramat
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For latest stable Minetest and back to 0.4.8
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Depends default
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Licenses: code WTFPL, textures CC BY-SA
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1
depends.txt
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1
depends.txt
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default
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307
init.lua
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307
init.lua
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-- flexvrealm 0.1.0 by paramat
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-- For latest stable Minetest and back to 0.4.8
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-- Depends default
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-- Licenses: code WTFPL, textures CC BY-SA
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-- Variables
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local XMIN = -33000 -- Approximate limits
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local XMAX = 33000
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local YMIN = -32
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local YMAX = 33000
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local ZMIN = -33000
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local ZMAX = 33000
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local GFAC = 7 -- Gradient factor
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local SANT = -0.005 -- Beach top noise4 threshold
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local DEPT = 1 -- -- Realm depth density threshold
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local STOT = 0.15 -- -- Stone density threshold
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local DIRT = 0.05 -- -- Dirt density threshold
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local FITS = 0 -- -- Fissure noise3 threshold at surface. Controls size of fissures and amount / size of fissure entrances at surface
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local FEXP = 0.1 -- -- Fissure expansion rate under surface
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local TCHA = 121 -- -- Apple tree maximum 1/x chance per grass node
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local ACHA = 17 -- -- Apple 1/x chance per leaf node
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local CCHA = 529 -- -- Cactus maximum 1/x chance per desert sand node
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local OCHA = 7*7*7 -- -- Ore 1/x chance per stone node
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local LINT = 23 -- -- LEAN abm interval
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local LCHA = 32*32 -- -- LEAN abm 1/x chance
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-- Noise parameters
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-- 3D noise 1 for terrain
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local np_terrain = {
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offset = 0,
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scale = 1,
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spread = {x=256, y=256, z=256},
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seed = -83928935,
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octaves = 5,
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persist = 0.6
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}
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-- 3D noise 2 for biomes and cactus/tree areas
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local np_biome = {
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offset = 0,
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scale = 1,
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spread = {x=256, y=256, z=256},
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seed = 555989881,
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octaves = 3,
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persist = 0.5
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}
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-- 3D noise 3 for fissures
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local np_fissure = {
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offset = 0,
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scale = 1,
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spread = {x=64, y=64, z=64},
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seed = -188881,
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octaves = 4,
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persist = 0.5
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}
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-- 3D noise 4 for density gradient
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local np_dengrad = {
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offset = 0,
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scale = 1,
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spread = {x=512, y=512, z=512},
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seed = 800000022222,
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octaves = 3,
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persist = 0.33
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}
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-- Nodes
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minetest.register_node("flexrealm:airlike", {
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description = "FLR airlike",
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drawtype = "airlike",
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paramtype = "light",
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sunlight_propagates = true,
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walkable = false,
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pointable = true,
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diggable = false,
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groups = {not_in_creative_inventory=1},
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})
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minetest.register_node("flexrealm:lean", {
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description = "FLR LEAN",
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drawtype = "airlike",
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paramtype = "light",
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light_source = 14,
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sunlight_propagates = true,
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walkable = false,
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pointable = true,
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buildable_to = true,
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groups = {not_in_creative_inventory=1},
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})
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minetest.register_node("flexrealm:leanoff", {
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description = "FLR LEAN Off",
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drawtype = "airlike",
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paramtype = "light",
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light_source = 14,
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sunlight_propagates = true,
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walkable = false,
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pointable = true,
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buildable_to = true,
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groups = {not_in_creative_inventory=1},
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})
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minetest.register_node("flexrealm:grass", {
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description = "FLR Grass",
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tiles = {"default_grass.png"},
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groups = {crumbly=3,soil=1},
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drop = "default:dirt",
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sounds = default.node_sound_dirt_defaults({
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footstep = {name="default_grass_footstep", gain=0.4},
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}),
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})
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minetest.register_node("flexrealm:sand", {
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description = "FLR Sand",
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tiles = {"default_sand.png"},
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groups = {crumbly=3, sand=1},
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sounds = default.node_sound_sand_defaults(),
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})
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minetest.register_node("flexrealm:desand", {
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description = "FLR Desert Sand",
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tiles = {"default_desert_sand.png"},
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groups = {crumbly=3, sand=1},
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sounds = default.node_sound_sand_defaults(),
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})
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minetest.register_node("flexrealm:stone", {
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description = "FLR Stone",
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tiles = {"default_stone.png"},
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groups = {cracky=3, stone=1},
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drop = "default:cobble",
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sounds = default.node_sound_stone_defaults(),
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})
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minetest.register_node("flexrealm:destone", {
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description = "FLR Desert Stone",
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tiles = {"default_desert_stone.png"},
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groups = {cracky=3, stone=1},
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drop = "default:desert_stone",
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sounds = default.node_sound_stone_defaults(),
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})
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-- Abm
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minetest.register_abm({
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nodenames = {"flexrealm:leanoff"},
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interval = LINT,
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chance = LCHA,
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action = function(pos, node)
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minetest.add_node(pos,{name="flexrealm:lean"})
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end,
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})
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-- Stuff
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flexrealm = {}
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-- On generated function
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minetest.register_on_generated(function(minp, maxp, seed)
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if minp.x < XMIN or maxp.x > XMAX
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or minp.y < YMIN or maxp.y > YMAX
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or minp.z < ZMIN or maxp.z > ZMAX then
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return
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end
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local x0 = minp.x
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local y0 = minp.y
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local z0 = minp.z
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local x1 = maxp.x
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local y1 = maxp.y
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local z1 = maxp.z
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local sidelen = x1 - x0 + 1 -- chunk side length
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local vplanarea = sidelen ^ 2 -- vertical plane area, used if calculating index from x y z
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local chulens = {x=sidelen, y=sidelen, z=sidelen}
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local minpos = {x=x0, y=y0, z=z0}
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local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
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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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local c_air = minetest.get_content_id("air")
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local c_meseblock = minetest.get_content_id("default:mese_block")
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local c_stodiam = minetest.get_content_id("default:stone_with_diamond")
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local c_stogold = minetest.get_content_id("default:stone_with_gold")
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local c_stocopp = minetest.get_content_id("default:stone_with_copper")
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local c_stoiron = minetest.get_content_id("default:stone_with_iron")
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local c_stocoal = minetest.get_content_id("default:stone_with_coal")
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local c_cactus = minetest.get_content_id("default:cactus")
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local c_dirt = minetest.get_content_id("default:dirt")
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local c_watsource = minetest.get_content_id("default:water_source")
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local c_apple = minetest.get_content_id("default:apple")
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local c_leaves = minetest.get_content_id("default:leaves")
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local c_tree = minetest.get_content_id("default:tree")
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local c_snowblock = minetest.get_content_id("default:snowblock")
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local c_ice = minetest.get_content_id("default:ice")
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local c_flrairlike = minetest.get_content_id("flexrealm:airlike")
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local c_flrgrass = minetest.get_content_id("flexrealm:grass")
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local c_flrsand = minetest.get_content_id("flexrealm:sand")
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local c_flrdesand = minetest.get_content_id("flexrealm:desand")
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local c_flrstone = minetest.get_content_id("flexrealm:stone")
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local c_flrdestone = minetest.get_content_id("flexrealm:destone")
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local c_flrleanoff = minetest.get_content_id("flexrealm:leanoff")
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local nvals1 = minetest.get_perlin_map(np_terrain, chulens):get3dMap_flat(minpos)
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local nvals2 = minetest.get_perlin_map(np_biome, chulens):get3dMap_flat(minpos)
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local nvals3 = minetest.get_perlin_map(np_fissure, chulens):get3dMap_flat(minpos)
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local nvals4 = minetest.get_perlin_map(np_dengrad, chulens):get3dMap_flat(minpos)
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local ni = 1
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for z = z0, z1 do
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for y = y0, y1 do
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for x = x0, x1 do -- for each node do
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local vi = area:index(x, y, z) -- LVM index for node
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local nodid = data[vi] -- node
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local nofis = false
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local desert = false
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local forest = false
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local taiga = false
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local noise2 = nvals2[ni]
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if noise2 > 0.4 then
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desert = true
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elseif noise2 < -0.4 then
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taiga = true
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else
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forest = true
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end
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local noise4 = nvals4[ni]
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local grad = noise4 * GFAC -- gradient
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local density = nvals1[ni] + grad -- noisy gradient
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if math.abs(nvals3[ni]) > FITS + density ^ 0.5 * FEXP then -- if no fissure then
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nofis = true
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end
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if density >= STOT and density <= DEPT and nofis then -- stone cut by fissures
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if desert then
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data[vi] = c_flrdestone
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elseif math.random(OCHA) == 2 then
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local osel = math.random(34)
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if osel == 34 then
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data[vi] = c_meseblock -- revenge!
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elseif osel >= 31 then
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data[vi] = c_stodiam
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elseif osel >= 28 then
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data[vi] = c_stogold
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elseif osel >= 19 then
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data[vi] = c_stocopp
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elseif osel >= 10 then
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data[vi] = c_stoiron
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else
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data[vi] = c_stocoal
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end
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else
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data[vi] = c_flrstone
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end
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elseif density > 0 and density < STOT then -- fine materials not cut by fissures
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if noise4 >= SANT then
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data[vi] = c_flrsand
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elseif nofis then -- fine materials cut by fissures
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if desert then
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data[vi] = c_flrdesand
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else
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if density >= DIRT then
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data[vi] = c_dirt
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else
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if taiga then
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data[vi] = c_snowblock
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else
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data[vi] = c_flrgrass
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end
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end
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end
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end
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elseif taiga and noise4 > 0 and noise4 <= 0.005 and density < 0 then
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if nodid == c_air then
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data[vi] = c_ice
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end
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elseif noise4 > 0 and density < 0 then
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if nodid == c_air then
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data[vi] = c_watsource
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end
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elseif noise4 >= -0.005 and noise4 <= 0 and density < 0 then
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if nodid == c_air then
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data[vi] = c_flrairlike
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end
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elseif density >= -0.2 and density <= -0.15 then
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if nodid == c_air then
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data[vi] = c_flrleanoff
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end
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end
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ni = ni + 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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vm:set_lighting({day=0, night=0})
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vm:calc_lighting()
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vm:write_to_map(data)
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end)
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14
license.txt
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14
license.txt
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DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
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Version 2, December 2004
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Copyright (C) 2004 Sam Hocevar <sam@hocevar.net>
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Everyone is permitted to copy and distribute verbatim or modified
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copies of this license document, and changing it is allowed as long
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as the name is changed.
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DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
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TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
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0. You just DO WHAT THE FUCK YOU WANT TO.
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