flatgen/init.lua
2015-01-20 19:48:32 +01:00

93 lines
2.3 KiB
Lua

-- flatgen mod for 100% flat maps - created by Krock
-- License: WTFPL
local flatgen = {}
-- Default, grass cover, dirt in between, stone under it
flatgen.cover = "default:dirt_with_grass"
flatgen.under = "default:dirt"
flatgen.ground = "default:stone"
--[[ Templates:
- Sand everywhere
flatgen.cover = "default:sand"
flatgen.under = "default:sand"
flatgen.ground = "default:sand"
- Desert sand, sand, sandstone
flatgen.cover = "default:desert_sand"
flatgen.under = "default:sand"
flatgen.ground = "default:sandstone"
- Wool, wool, obsidian
flatgen.cover = "wool:white"
flatgen.under = "wool:white"
flatgen.ground = "default:obsidian"
]]
flatgen.cover_y = 1 -- Y position of the cover node [1]
flatgen.depth = 3 -- Depth of the "under" node [3]
flatgen.limit_y = true -- False = map generation stops at 100m under cover_y
minetest.register_on_mapgen_init(function(mgparams)
minetest.set_mapgen_params({mgname="singlenode"})
end)
minetest.register_on_generated(function(minp, maxp, seed)
local cover, depth, limit = flatgen.cover_y, flatgen.depth, flatgen.limit_y
if minp.y > cover then
return
end
if limit then
limit = cover - 100
if maxp.y < limit then
return
end
end
local c_cover = minetest.get_content_id(flatgen.cover)
local c_under = minetest.get_content_id(flatgen.under)
local c_ground = minetest.get_content_id(flatgen.ground)
local c_ignore = minetest.get_content_id("ignore_me")
local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
local area = VoxelArea:new{MinEdge=emin, MaxEdge=emax}
local data = vm:get_data()
for z = minp.z, maxp.z do
for y = minp.y, maxp.y do
local vi = area:index(minp.x, y, z)
for x = minp.x, maxp.x do
if y > cover then
-- do nothing :)
elseif y == cover then
data[vi] = c_cover
elseif y >= cover - depth then
data[vi] = c_under
elseif limit then
if y > limit then
data[vi] = c_ground
elseif y <= limit and y >= limit - 10 then
data[vi] = c_ignore
end
else
data[vi] = c_ground
end
vi = vi + 1
end
end
end
vm:set_data(data)
vm:set_lighting({day=0, night=0})
vm:calc_lighting()
vm:write_to_map(data)
end)
minetest.register_node(":ignore_me", {
description = "You hacker you!",
tiles = {"default_cloud.png"},
paramtype = "light",
sunlight_propagates = true,
pointable = false,
drop = "",
})