278 lines
6.8 KiB
Lua
278 lines
6.8 KiB
Lua
-- noisegrid 0.2.3 by paramat
|
|
-- For latest stable Minetest and back to 0.4.8
|
|
-- Depends default
|
|
-- License: code WTFPL
|
|
|
|
-- Raised path slabs, wider paths.
|
|
|
|
-- Parameters
|
|
|
|
local YVAL = 5
|
|
local YSAND = 3
|
|
local TERSCA = 192
|
|
local TROAD = 0.1
|
|
local TVAL = 0.12
|
|
|
|
-- 2D noise for base terrain
|
|
|
|
local np_base = {
|
|
offset = 0,
|
|
scale = 1,
|
|
spread = {x=2048, y=2048, z=2048},
|
|
seed = -9111,
|
|
octaves = 6,
|
|
persist = 0.6
|
|
}
|
|
|
|
-- Stuff
|
|
|
|
noisegrid = {}
|
|
|
|
-- Nodes
|
|
|
|
minetest.register_node("noisegrid:grass", {
|
|
description = "Grass",
|
|
tiles = {"default_grass.png", "default_dirt.png", "default_grass.png"},
|
|
is_ground_content = false,
|
|
groups = {crumbly=3,soil=1},
|
|
drop = "default:dirt",
|
|
sounds = default.node_sound_dirt_defaults({
|
|
footstep = {name="default_grass_footstep", gain=0.25},
|
|
}),
|
|
})
|
|
|
|
minetest.register_node("noisegrid:dirt", {
|
|
description = "Dirt",
|
|
tiles = {"default_dirt.png"},
|
|
is_ground_content = false,
|
|
groups = {crumbly=3,soil=1},
|
|
drop = "default:dirt",
|
|
sounds = default.node_sound_dirt_defaults(),
|
|
})
|
|
|
|
minetest.register_node("noisegrid:stone", {
|
|
description = "Stone",
|
|
tiles = {"default_stone.png"},
|
|
groups = {cracky=3},
|
|
drop = "default:cobble",
|
|
sounds = default.node_sound_stone_defaults(),
|
|
})
|
|
|
|
minetest.register_node("noisegrid:roadblack", {
|
|
description = "Road Black",
|
|
tiles = {"noisegrid_roadblack.png"},
|
|
groups = {cracky=2},
|
|
sounds = default.node_sound_stone_defaults(),
|
|
})
|
|
|
|
minetest.register_node("noisegrid:roadwhite", {
|
|
description = "Road White",
|
|
tiles = {"noisegrid_roadwhite.png"},
|
|
groups = {cracky=2},
|
|
sounds = default.node_sound_stone_defaults(),
|
|
})
|
|
|
|
minetest.register_node("noisegrid:path", {
|
|
description = "Path",
|
|
tiles = {"noisegrid_pathtop.png", "noisegrid_pathtop.png", "noisegrid_pathside.png"},
|
|
drawtype = "nodebox",
|
|
paramtype = "light",
|
|
is_ground_content = false,
|
|
sunlight_propagates = true,
|
|
buildable_to = true,
|
|
node_box = {
|
|
type = "fixed",
|
|
fixed = {
|
|
{-0.5, -0.5, -0.5, 0.5, 0, 0.5}
|
|
},
|
|
},
|
|
selection_box = {
|
|
type = "fixed",
|
|
fixed = {
|
|
{-0.5, -0.5, -0.5, 0.5, 0, 0.5}
|
|
},
|
|
},
|
|
groups = {cracky=2},
|
|
sounds = default.node_sound_stone_defaults(),
|
|
})
|
|
|
|
-- 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 < -272 or minp.y > 208 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 ("[noisegrid] 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_grass = minetest.get_content_id("noisegrid:grass")
|
|
local c_dirt = minetest.get_content_id("noisegrid:dirt")
|
|
local c_stone = minetest.get_content_id("noisegrid:stone")
|
|
local c_water = minetest.get_content_id("default:water_source")
|
|
local c_sand = minetest.get_content_id("default:sand")
|
|
local c_roadblack = minetest.get_content_id("noisegrid:roadblack")
|
|
local c_roadwhite = minetest.get_content_id("noisegrid:roadwhite")
|
|
local c_path = minetest.get_content_id("noisegrid:path")
|
|
|
|
local sidelen = x1 - x0 + 1
|
|
local chulens = {x=sidelen, y=sidelen, z=sidelen}
|
|
local minposxyz = {x=x0, y=y0, z=z0}
|
|
local minposxz = {x=x0, y=z0}
|
|
|
|
local nvals_base = minetest.get_perlin_map(np_base, chulens):get2dMap_flat(minposxz)
|
|
|
|
local cross = false
|
|
local nroad = false
|
|
local eroad = false
|
|
local sroad = false
|
|
local wroad = false
|
|
if math.abs(nvals_base[6359]) < TROAD then
|
|
nroad = true
|
|
end
|
|
if math.abs(nvals_base[3121]) < TROAD then
|
|
wroad = true
|
|
end
|
|
if math.abs(nvals_base[3160]) < TROAD then
|
|
cross = true
|
|
end
|
|
if math.abs(nvals_base[3200]) < TROAD then
|
|
eroad = true
|
|
end
|
|
if math.abs(nvals_base[39]) < TROAD then
|
|
sroad = true
|
|
end
|
|
|
|
local nixz = 1
|
|
for z = z0, z1 do
|
|
for y = y0, y1 do
|
|
local vi = area:index(x0, y, z)
|
|
local via = area:index(x0, y+1, z)
|
|
for x = x0, x1 do
|
|
local xr = x - x0
|
|
local zr = z - z0
|
|
local ysurf
|
|
local n_base = nvals_base[nixz]
|
|
local n_absbase = math.abs(n_base)
|
|
if n_base > TVAL then
|
|
ysurf = YVAL + math.floor((n_base - TVAL) * TERSCA)
|
|
elseif n_base < -TVAL then
|
|
ysurf = YVAL - math.floor((-TVAL - n_base) * TERSCA)
|
|
else
|
|
ysurf = YVAL
|
|
end
|
|
|
|
if y == YVAL and n_absbase <= TVAL then
|
|
if xr >= 36 and xr <= 42 and zr >= 36 and zr <= 42 -- centre
|
|
and (nroad or eroad or sroad or wroad) and cross then
|
|
data[vi] = c_roadblack
|
|
elseif xr >= 33 and xr <= 45 and zr >= 43 -- north
|
|
and nroad and cross then
|
|
if xr == 39
|
|
or (zr <= 45 and (xr == 37 or xr == 41)) then
|
|
data[vi] = c_roadwhite
|
|
elseif xr >= 36 and xr <= 42 then
|
|
data[vi] = c_roadblack
|
|
else
|
|
data[vi] = c_dirt
|
|
data[via] = c_path
|
|
end
|
|
elseif xr >= 43 and zr >= 33 and zr <= 45 -- east
|
|
and eroad and cross then
|
|
if zr == 39
|
|
or (xr <= 45 and (zr == 37 or zr == 41)) then
|
|
data[vi] = c_roadwhite
|
|
elseif zr >= 36 and zr <= 42 then
|
|
data[vi] = c_roadblack
|
|
else
|
|
data[vi] = c_dirt
|
|
data[via] = c_path
|
|
end
|
|
elseif xr >= 33 and xr <= 45 and zr <= 35 -- south
|
|
and sroad and cross then
|
|
if xr == 39
|
|
or (zr >= 33 and (xr == 37 or xr == 41)) then
|
|
data[vi] = c_roadwhite
|
|
elseif xr >= 36 and xr <= 42 then
|
|
data[vi] = c_roadblack
|
|
else
|
|
data[vi] = c_dirt
|
|
data[via] = c_path
|
|
end
|
|
elseif xr <= 35 and zr >= 33 and zr <= 45 -- west
|
|
and wroad and cross then
|
|
if zr == 39
|
|
or (xr >= 33 and (zr == 37 or zr == 41)) then
|
|
data[vi] = c_roadwhite
|
|
elseif zr >= 36 and zr <= 42 then
|
|
data[vi] = c_roadblack
|
|
else
|
|
data[vi] = c_dirt
|
|
data[via] = c_path
|
|
end
|
|
elseif xr >= 33 and xr <= 45 and zr >= 33 and zr <= 45
|
|
and cross then
|
|
data[vi] = c_dirt
|
|
data[via] = c_path
|
|
else
|
|
data[vi] = c_grass
|
|
end
|
|
elseif y < ysurf - 3 then
|
|
data[vi] = c_stone
|
|
elseif y <= ysurf and y <= YSAND then
|
|
data[vi] = c_sand
|
|
elseif y == ysurf then
|
|
data[vi] = c_grass
|
|
elseif y < ysurf then
|
|
data[vi] = c_dirt
|
|
elseif y <= 1 then
|
|
data[vi] = c_water
|
|
end
|
|
nixz = nixz + 1
|
|
vi = vi + 1
|
|
via = via + 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 ("[noisegrid] "..chugent.." ms")
|
|
end) |