forked from mtcontrib/darkage
302 lines
8.6 KiB
Lua
Executable File
302 lines
8.6 KiB
Lua
Executable File
--[[
|
|
This file generates:
|
|
darkage:mud
|
|
darkage:silt
|
|
darkage:chalk
|
|
darkage:ors
|
|
darkage:shale
|
|
darkage:slate
|
|
darkage:schist
|
|
darkage:basalt
|
|
darkage:marble
|
|
darkage:serpentine
|
|
darkage:gneiss
|
|
--]]
|
|
|
|
local getID = minetest.get_content_id
|
|
|
|
local function generate_stratus(data, varea, name, wherein, ceilin, ceil, minp, maxp, seed, stratus_chance, radius, radius_y, deep, height_min, height_max)
|
|
local c_ore = getID(name)
|
|
local c_wherein = {}
|
|
local c_ceilin = {}
|
|
for k, v in ipairs(wherein) do
|
|
c_wherein[k] = getID(v)
|
|
end
|
|
for k, v in ipairs(ceilin) do
|
|
c_ceilin[k] = getID(v)
|
|
end
|
|
local c_ceil
|
|
if ceil then
|
|
c_ceil = getID(ceil)
|
|
end
|
|
|
|
if maxp.y < height_min or minp.y > height_max then
|
|
return
|
|
end
|
|
local stratus_per_volume = 1
|
|
local area = 45
|
|
local y_min = math.max(minp.y, height_min)
|
|
local y_max = math.min(maxp.y, height_max)
|
|
local volume = ((maxp.x-minp.x+1)/area)*((y_max-y_min+1)/area)*((maxp.z-minp.z+1)/area)
|
|
local pr = PseudoRandom(seed)
|
|
local blocks = math.floor(stratus_per_volume*volume)
|
|
print(" <<"..dump(name)..">>");
|
|
if blocks == 0 then
|
|
blocks = 1
|
|
end
|
|
print(" blocks: "..dump(blocks).." in vol: "..dump(volume).." ("..dump(maxp.x-minp.x+1)..","..dump(y_max-y_min+1)..","..dump(maxp.z-minp.z+1)..")")
|
|
for i=1,blocks do
|
|
local x = pr:next(1,stratus_chance)
|
|
if x == 1 then
|
|
local y0=y_max-radius_y+1
|
|
if y0 < y_min then
|
|
y0=y_min
|
|
else
|
|
y0=pr:next(y_min, y0)
|
|
end
|
|
local x0 = maxp.x-radius+1
|
|
if x0 < minp.x then
|
|
x0 = minp.x
|
|
else
|
|
x0 = pr:next(minp.x, x0)
|
|
end
|
|
local z0 = maxp.z-radius+1
|
|
if z0 < minp.z then
|
|
x0 = minp.z
|
|
else
|
|
z0 = pr:next(minp.z, z0)
|
|
end
|
|
local p0 = {x=x0, y=y0, z=z0}
|
|
local n = data[varea:indexp(p0)]
|
|
local i = 0
|
|
x = 0
|
|
for k, v in ipairs(c_ceilin) do
|
|
if n == v then
|
|
x = 1
|
|
break
|
|
end
|
|
end
|
|
if x == 1 then
|
|
for y1=y0-1,y_min,-1 do
|
|
p0.y=y1
|
|
n = data[varea:indexp(p0)]
|
|
x = 0
|
|
for k, v in ipairs(c_wherein) do
|
|
if n == v then
|
|
x = 1
|
|
break
|
|
end
|
|
end
|
|
if x == 1 then
|
|
y0=y1-deep
|
|
if y0 < y_min then
|
|
y0 = y_min
|
|
end
|
|
break
|
|
end
|
|
end
|
|
local rx=pr:next(radius/2,radius)+1
|
|
local rz=pr:next(radius/2,radius)+1
|
|
local ry=pr:next(radius_y/2,radius_y)+1
|
|
for x1=0,rx do
|
|
rz = rz + 3 - pr:next(1,6)
|
|
if rz < 1 then
|
|
rz = 1
|
|
end
|
|
for z1=pr:next(1,3),rz do
|
|
local ry0=ry+ pr:next(1,3)
|
|
for y1=pr:next(1,3),ry0 do
|
|
local x2 = x0+x1
|
|
local y2 = y0+y1
|
|
local z2 = z0+z1
|
|
local p2 = {x=x2, y=y2, z=z2}
|
|
n = data[varea:indexp(p2)]
|
|
x = 0
|
|
for k, v in ipairs(c_wherein) do
|
|
if n == v then
|
|
x = 1
|
|
break
|
|
end
|
|
end
|
|
if x == 1 then
|
|
if c_ceil == nil then
|
|
data[varea:indexp(p2)] = c_ore
|
|
i = i +1
|
|
else
|
|
local p3 = {p2.x,p2.y+1,p2}
|
|
if data[varea:indexp(p3)] == c_ceil then
|
|
data[varea:indexp(p2)] = c_ore
|
|
i = i +1
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
print(" generated "..dump(i).." blocks in ("..dump(x0)..","..dump(y0)..","..dump(z0)..")")
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
local function generate_claylike(data, varea, name, minp, maxp, seed, chance, minh, maxh, dirt)
|
|
local c_ore = getID(name)
|
|
local c_sand = getID("default:sand")
|
|
local c_dirt = getID("default:dirt")
|
|
local c_lawn = getID("default:dirt_with_grass")
|
|
local c_water = getID("default:water_source")
|
|
local c_air = getID("air")
|
|
|
|
if maxp.y >= maxh+1 and minp.y <= minh-1 then
|
|
local pr = PseudoRandom(seed)
|
|
local divlen = 4
|
|
local divs = (maxp.x-minp.x)/divlen+1;
|
|
for yy=minh,maxh do
|
|
local x = pr:next(1,chance)
|
|
if x == 1 then
|
|
for divx=0+1,divs-1-1 do
|
|
for divz=0+1,divs-1-1 do
|
|
local cx = minp.x + math.floor((divx+0.5)*divlen)
|
|
local cz = minp.z + math.floor((divz+0.5)*divlen)
|
|
local up = data[varea:index(cx,yy,cz)]
|
|
local down = data[varea:index(cx,yy-1,cz)]
|
|
if ( up == c_water or up == c_air ) and ( down == c_sand or (dirt == 1 and (down == c_dirt or down == c_lawn ))) then
|
|
local is_shallow = true
|
|
local num_water_around = 0
|
|
if data[varea:index(cx-divlen*2,yy,cz)] == c_water then
|
|
num_water_around = num_water_around + 1
|
|
end
|
|
if data[varea:index(cx+divlen*2,yy,cz)] == c_water then
|
|
num_water_around = num_water_around + 1
|
|
end
|
|
if data[varea:index(cx,yy,cz-divlen*2)] == c_water then
|
|
num_water_around = num_water_around + 1
|
|
end
|
|
if data[varea:index(cx,yy,cz+divlen*2)] == c_water then
|
|
num_water_around = num_water_around + 1
|
|
end
|
|
if num_water_around >= 3 then
|
|
is_shallow = false
|
|
end
|
|
if is_shallow then
|
|
for x1=-divlen,divlen do
|
|
for z1=-divlen,divlen do
|
|
local p={x=cx+x1,y=yy-1,z=cz+z1}
|
|
down = data[varea:indexp(p)]
|
|
if down == c_sand or (dirt == 1 and (down == c_dirt or down == c_lawn)) then
|
|
data[varea:indexp(p)] = c_ore
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
|
|
local function generate_ore(data, varea, name, wherein, minp, maxp, seed, chunks_per_volume, chunk_size, ore_per_chunk, height_min, height_max)
|
|
local c_ore = getID(name)
|
|
local c_wherein = getID(wherein)
|
|
|
|
if maxp.y < height_min or minp.y > height_max then
|
|
return
|
|
end
|
|
local y_min = math.max(minp.y, height_min)
|
|
local y_max = math.min(maxp.y, height_max)
|
|
local volume = (maxp.x-minp.x+1)*(y_max-y_min+1)*(maxp.z-minp.z+1)
|
|
local pr = PseudoRandom(seed)
|
|
local num_chunks = math.floor(chunks_per_volume * volume)
|
|
local inverse_chance = math.floor(chunk_size*chunk_size*chunk_size / ore_per_chunk)
|
|
for i=1,num_chunks do
|
|
local y0 = pr:next(y_min, y_max-chunk_size+1)
|
|
if y0 >= height_min and y0 <= height_max then
|
|
local x0 = pr:next(minp.x, maxp.x-chunk_size+1)
|
|
local z0 = pr:next(minp.z, maxp.z-chunk_size+1)
|
|
local p0 = {x=x0, y=y0, z=z0}
|
|
for x1=0,chunk_size-1 do
|
|
for y1=0,chunk_size-1 do
|
|
for z1=0,chunk_size-1 do
|
|
if pr:next(1,inverse_chance) == 1 then
|
|
local x2 = x0+x1
|
|
local y2 = y0+y1
|
|
local z2 = z0+z1
|
|
local p2 = {x=x2, y=y2, z=z2}
|
|
local indexp2 = varea:indexp(p2)
|
|
if data[indexp2] == c_wherein then
|
|
data[indexp2] = c_ore
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
function darkage_mapgen(data, area, minp, maxp, seed) -- public function, to be used by Lua mapgens
|
|
if minp.y < -19600 then return end
|
|
local t1 = os.clock()
|
|
generate_claylike(data, area, "darkage:mud", minp, maxp, seed+1, 4, 0, 2, 0)
|
|
generate_claylike(data, area, "darkage:silt", minp, maxp, seed+2, 4, -1, 1, 1)
|
|
generate_stratus(data, area, "darkage:chalk",
|
|
{"default:stone"},
|
|
{"default:stone","air"}, nil,
|
|
minp, maxp, seed+3, 4, 25, 8, 0, -20, 50)
|
|
generate_stratus(data, area, "darkage:ors",
|
|
{"default:stone"},
|
|
{"default:stone","air","default:water_source"}, nil,
|
|
minp, maxp, seed+4, 4, 25, 7, 50, -200, 500)
|
|
generate_stratus(data, area, "darkage:shale",
|
|
{"default:stone"},
|
|
{"default:stone","air"}, nil,
|
|
minp, maxp, seed+5, 4, 23, 7, 50, -50, 20)
|
|
generate_stratus(data, area, "darkage:slate",
|
|
{"default:stone"},
|
|
{"default:stone","air"}, nil,
|
|
minp, maxp, seed+6, 6, 23, 5, 50, -500, 0)
|
|
generate_stratus(data, area, "darkage:schist",
|
|
{"default:stone"},
|
|
{"default:stone","air"}, nil,
|
|
minp, maxp, seed+7, 6, 19, 6, 50, -31000, -10)
|
|
generate_stratus(data, area, "darkage:basalt",
|
|
{"default:stone"},
|
|
{"default:stone","air"}, nil,
|
|
minp, maxp, seed+8, 5, 20, 5, 20, -31000, -50)
|
|
generate_stratus(data, area, "darkage:marble",
|
|
{"default:stone"},
|
|
{"default:stone","air"}, nil,
|
|
minp, maxp, seed+9, 4, 25, 6, 50, -31000, -75)
|
|
generate_stratus(data, area, "darkage:serpentine",
|
|
{"default:stone"},
|
|
{"default:stone","air"}, nil,
|
|
minp, maxp, seed+10, 4, 28, 8, 50, -31000, -350)
|
|
generate_stratus(data, area, "darkage:gneiss",
|
|
{"default:stone"},
|
|
{"default:stone","air"}, nil,
|
|
minp, maxp, seed+11, 4, 15, 5, 50, -31000, -250)
|
|
print("DARKAGE: calculating time : " .. os.clock() - t1)
|
|
end
|
|
|
|
minetest.register_on_mapgen_init(function(mgparams)
|
|
if mgparams.mgname ~= "singlenode" then
|
|
minetest.register_on_generated(function(minp, maxp, seed)
|
|
if minp.y < -19600 then return end
|
|
|
|
local t0 = os.clock()
|
|
local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
|
|
local area = VoxelArea:new({MinEdge = emin, MaxEdge = emax})
|
|
local data = vm:get_data()
|
|
|
|
darkage_mapgen(data, area, minp, maxp, seed)
|
|
|
|
vm:set_data(data)
|
|
vm:write_to_map()
|
|
print("DARKAGE: total time taken : " .. os.clock() - t0)
|
|
end)
|
|
end
|
|
end)
|