Multiple planets. Spawn above planet 1. Add sand and grass. Squashed terrain starts at beach top
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paramat
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@ -1,4 +1,4 @@
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planets 0.1.3 by paramat
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planets 0.1.4 by paramat
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For Minetest 0.4.13 and later
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Depends default
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Licenses: code WTFPL
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Licenses: Code LGPL 2.1. Media CC BY-SA 3.0
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71
init.lua
71
init.lua
@ -1,14 +1,14 @@
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-- Parameters
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local pnum = 1 -- number of planets desired
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local maxatt = 128 -- maximum number of attempts to add a planet
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local pnum = 64 -- number of planets desired
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local maxatt = 4096 -- maximum number of attempts to add a planet
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local np_terrain = {
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offset = 0,
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scale = 1.0,
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spread = {x = 96, y = 96, z = 96},
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spread = {x = 192, y = 192, z = 192},
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seed = 921181,
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octaves = 3,
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octaves = 4,
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persist = 0.5
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}
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@ -33,7 +33,7 @@ minetest.set_mapgen_params({mgname = "singlenode",
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chunksize = 5, water_level = -31000, flags = "nolight"})
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-- Create pseudorandom galaxy
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-- Create planetary system
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-- space is 64 ^ 3 chunks, centred on world centre
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-- space table is flat array of planet ids or nil (vacuum chunk)
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@ -44,16 +44,17 @@ local spzstr = 64 * 64 -- space array z stride
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local spystr = 64 -- space array y stride
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local plid = 0 -- planet id of last planet added, 0 = none
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local addatt = 0 -- number of attempts to add a planet
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math.randomseed(42) -- set pseudorandom seed
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while plid < pnum and addatt <= maxatt do -- avoid infinite attempts
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-- create initial planet data to check for obstruction
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-- cenx/y/z is planet centre
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-- radter = terrain radius / water level
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-- radter = terrain radius / beach top / water level + 4
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-- radmax = atmosphere radius or max mountain radius
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local cenx = 0
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local ceny = 0
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local cenz = 0
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local radter = 256
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local cenx = math.random(-2000, 2000)
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local ceny = math.random(-2000, 2000)
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local cenz = math.random(-2000, 2000)
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local radter = 256 -- TODO randomise these
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local radmax = 384
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-- chunk co-ords of chunk containing planet centre
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@ -65,7 +66,6 @@ while plid < pnum and addatt <= maxatt do -- avoid infinite attempts
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-- check space is clear for planet
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local clear = true -- is space clear
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print ("[planets] Checking for obstruction")
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for cz = cenzcc - radmaxc, cenzcc + radmaxc do
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for cy = cenycc - radmaxc, cenycc + radmaxc do
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@ -73,7 +73,7 @@ while plid < pnum and addatt <= maxatt do -- avoid infinite attempts
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for cx = cenxcc - radmaxc, cenxcc + radmaxc do
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if space[spi] ~= nil then
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clear = false
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print ("[planets] Planet obstructed")
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--print ("[planets] Planet obstructed")
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break
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end
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spi = spi + 1
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@ -88,7 +88,7 @@ while plid < pnum and addatt <= maxatt do -- avoid infinite attempts
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end
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if clear then -- add planet
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-- TODO generate extra planet data
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-- TODO generate extra planet data here
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plid = #def + 1 -- planet id
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-- add planet data to def table
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def[plid] = {i = cenx, j = ceny, k = cenz, t = radter, m = radmax}
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@ -109,6 +109,21 @@ while plid < pnum and addatt <= maxatt do -- avoid infinite attempts
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end
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-- Spawn above planet 1
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local pdef = def[1]
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local spawn_pos = {x = pdef.i, y = pdef.j + pdef.m, z = pdef.k}
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minetest.register_on_newplayer(function(player)
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player:setpos(spawn_pos)
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end)
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minetest.register_on_respawnplayer(function(player)
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player:setpos(spawn_pos)
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return true
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end)
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-- Globalstep function
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local skybox_space = {
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@ -175,19 +190,22 @@ minetest.register_on_generated(function(minp, maxp, seed)
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local defi = space[spi]
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-- planet def
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local pdef = def[defi]
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local c_air = minetest.get_content_id("air")
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local c_lava = minetest.get_content_id("planets:lava")
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local c_stone = minetest.get_content_id("planets:stone")
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local c_water = minetest.get_content_id("planets:water")
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local c_cloud = minetest.get_content_id("planets:cloud")
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local c_vacuum = minetest.get_content_id("planets:vacuum")
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local c_vacuum = minetest.get_content_id("planets:vacuum")
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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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if pdef then -- planet chunk
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local c_air = minetest.get_content_id("air")
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local c_lava = minetest.get_content_id("planets:lava")
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local c_stone = minetest.get_content_id("planets:stone")
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local c_sand = minetest.get_content_id("planets:sand")
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local c_grass = minetest.get_content_id("planets:grass")
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local c_water = minetest.get_content_id("planets:water")
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local c_cloud = minetest.get_content_id("planets:cloud")
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local pmapdims = {x = 80, y = 80, z = 80} -- perlinmap dimensions
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local pmapminp = {x = x0, y = y0, z = z0} -- perlinmap minp
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local pmapdimsclo = {x = 5, y = 5, z = 5} -- cloud perlinmap dimensions
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@ -200,6 +218,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
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local nvals_cloud = nobj_cloud:get3dMap_flat(pmapminpclo, nbuf_cloud)
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local tersca = (pdef.m - pdef.t) / 2 -- terrain scale
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local stot = 3 / tersca -- stone noise threshold
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local ni = 1 -- noise index
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for z = z0, z1 do
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@ -217,9 +236,15 @@ minetest.register_on_generated(function(minp, maxp, seed)
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if nodrad <= pdef.t / 2 then -- lava
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data[vi] = c_lava
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elseif density >= 0 then -- stone
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elseif density >= stot then -- stone
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data[vi] = c_stone
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elseif nodrad <= pdef.t then -- water
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elseif density >= 0 then -- fine materials
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if nodrad <= pdef.t then
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data[vi] = c_sand
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else
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data[vi] = c_grass
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end
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elseif nodrad <= pdef.t - 4 then -- water
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data[vi] = c_water
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elseif dengrad >= -1.0 and dengrad <= -0.95 then -- clouds
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local xq = math.floor((x - x0) / 16) -- quantise position
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@ -255,7 +280,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
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vm:set_data(data)
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if pdef then
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vm:calc_lighting()
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else -- vacuum chunk, don't propagate shadow
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else -- vacuum chunk, don't propagate shadow from above
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vm:calc_lighting(nil, nil, false)
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end
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vm:write_to_map(data)
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31
license.txt
31
license.txt
@ -1,14 +1,25 @@
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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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License of source code
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----------------------
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Copyright (C) 2016 paramat
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Copyright (C) 2004 Sam Hocevar <sam@hocevar.net>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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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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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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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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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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License of media (textures)
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---------------------------
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Copyright (C) 2016 paramat
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Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)
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http://creativecommons.org/licenses/by-sa/3.0/
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0. You just DO WHAT THE FUCK YOU WANT TO.
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16
nodes.lua
16
nodes.lua
@ -5,6 +5,22 @@ minetest.register_node("planets:stone", {
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sounds = default.node_sound_stone_defaults(),
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})
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minetest.register_node("planets:grass", {
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description = "Grass",
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tiles = {"default_grass.png"},
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groups = {crumbly = 3, soil = 1},
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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("planets:sand", {
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description = "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("planets:cloud", {
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description = "Cloud",
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drawtype = "glasslike",
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