140 lines
3.1 KiB
Lua
140 lines
3.1 KiB
Lua
-- path 0.1.1 by paramat
|
|
-- For latest stable Minetest and back to 0.4.8
|
|
-- Depends default
|
|
-- License: code WTFPL
|
|
|
|
-- Parameters
|
|
|
|
-- 2D noise for base terrain
|
|
|
|
local np_base = {
|
|
offset = 0,
|
|
scale = 1,
|
|
spread = {x=512, y=512, z=512},
|
|
seed = -9111,
|
|
octaves = 4,
|
|
persist = 0.5
|
|
}
|
|
|
|
-- Nodes
|
|
|
|
minetest.register_node("path:roadblack", {
|
|
description = "Road Black",
|
|
tiles = {"path_roadblack.png"},
|
|
groups = {cracky=2},
|
|
sounds = default.node_sound_stone_defaults(),
|
|
})
|
|
|
|
minetest.register_node("path:roadwhite", {
|
|
description = "Road White",
|
|
tiles = {"path_roadwhite.png"},
|
|
groups = {cracky=2},
|
|
sounds = default.node_sound_stone_defaults(),
|
|
})
|
|
|
|
-- Stuff
|
|
|
|
path = {}
|
|
|
|
-- Set mapgen parameters
|
|
|
|
minetest.register_on_mapgen_init(function(mgparams)
|
|
minetest.set_mapgen_params({mgname="singlenode"})
|
|
end)
|
|
|
|
-- Spawn player
|
|
|
|
function spawnplayer(player)
|
|
player:setpos({x=0, y=2, z=0})
|
|
end
|
|
|
|
minetest.register_on_newplayer(function(player)
|
|
spawnplayer(player)
|
|
end)
|
|
|
|
minetest.register_on_respawnplayer(function(player)
|
|
spawnplayer(player)
|
|
return true
|
|
end)
|
|
|
|
-- On generated function
|
|
|
|
minetest.register_on_generated(function(minp, maxp, seed)
|
|
if minp.y ~= -32 then
|
|
return
|
|
end
|
|
|
|
local t1 = os.clock()
|
|
local x1 = maxp.x
|
|
local y1 = maxp.y
|
|
local z1 = maxp.z
|
|
local x0 = minp.x
|
|
local y0 = minp.y
|
|
local z0 = minp.z
|
|
|
|
print ("[path] chunk minp ("..x0.." "..y0.." "..z0..")")
|
|
|
|
local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
|
|
local area = VoxelArea:new{MinEdge=emin, MaxEdge=emax}
|
|
local data = vm:get_data()
|
|
|
|
local c_sand = minetest.get_content_id("default:sand")
|
|
local c_roadblack = minetest.get_content_id("path:roadblack")
|
|
local c_roadwhite = minetest.get_content_id("path:roadwhite")
|
|
|
|
local sidelen = x1 - x0 + 1
|
|
local chulens = {x=sidelen, y=sidelen, z=sidelen}
|
|
local minposxz = {x=x0, y=z0}
|
|
|
|
local nvals_base = minetest.get_perlin_map(np_base, chulens):get2dMap_flat(minposxz)
|
|
|
|
local nixz = 1
|
|
for z = z0, z1 do
|
|
for y = y0, y1 do
|
|
local vi = area:index(x0, y, z)
|
|
local n_xprebase = false
|
|
for x = x0, x1 do
|
|
local nodid = data[vi]
|
|
local n_base = nvals_base[nixz]
|
|
local n_zprebase = nvals_base[(nixz - 80)]
|
|
if y == 1 then
|
|
if (x - x0 > 0
|
|
and ((n_base >= 0 and n_xprebase < 0)
|
|
or (n_base < 0 and n_xprebase >= 0)))
|
|
or (z - z0 > 0
|
|
and ((n_base >= 0 and n_zprebase < 0)
|
|
or (n_base < 0 and n_zprebase >= 0))) then
|
|
data[vi] = c_roadwhite
|
|
for i = -3, 3 do
|
|
for k = -3, 3 do
|
|
if (math.abs(i)) ^ 2 + (math.abs(k)) ^ 2 <= 10 then
|
|
local vi = area:index(x+i, y, z+k)
|
|
local nodid = data[vi]
|
|
if nodid ~= c_roadwhite then
|
|
data[vi] = c_roadblack
|
|
end
|
|
end
|
|
end
|
|
end
|
|
elseif nodid ~= c_roadblack and nodid ~= c_roadwhite then
|
|
data[vi] = c_sand
|
|
end
|
|
elseif y <= 0 then
|
|
data[vi] = c_sand
|
|
end
|
|
n_xprebase = n_base
|
|
nixz = nixz + 1
|
|
vi = vi + 1
|
|
end
|
|
nixz = nixz - 80
|
|
end
|
|
nixz = nixz + 80
|
|
end
|
|
|
|
vm:set_data(data)
|
|
vm:set_lighting({day=0, night=0})
|
|
vm:calc_lighting()
|
|
vm:write_to_map(data)
|
|
local chugent = math.ceil((os.clock() - t1) * 1000)
|
|
print ("[path] "..chugent.." ms")
|
|
end) |