Mystic/mod_jail/sumpf/sumpf/n/mapgen_sw_try.lua

371 lines
11 KiB
Lua

minetest.register_alias("sumpf:pilz", "riesenpilz:brown")
--define contents
local c = {
air = minetest.get_content_id("air"),
stone = minetest.get_content_id("default:stone"),
gr = minetest.get_content_id("default:dirt_with_grass"),
dirt = minetest.get_content_id("default:dirt"),
sand = minetest.get_content_id("default:sand"),
desert_sand = minetest.get_content_id("default:desert_sand"),
water = minetest.get_content_id("default:water_source"),
dirtywater = minetest.get_content_id("sumpf:dirtywater_source"),
coal = minetest.get_content_id("default:stone_with_coal"),
iron = minetest.get_content_id("default:stone_with_iron"),
tree = minetest.get_content_id("default:tree"),
leaves = minetest.get_content_id("default:leaves"),
apple = minetest.get_content_id("default:apple"),
dry_shrub = minetest.get_content_id("default:dry_shrub"),
cactus = minetest.get_content_id("default:cactus"),
papyrus = minetest.get_content_id("default:papyrus"),
sumpfg = minetest.get_content_id("sumpf:sumpf"),
sumpf2 = minetest.get_content_id("sumpf:sumpf2"),
sumpfstone = minetest.get_content_id("sumpf:junglestone"),
sumpfcoal = minetest.get_content_id("sumpf:kohle"),
sumpfiron = minetest.get_content_id("sumpf:eisen"),
peat = minetest.get_content_id("sumpf:peat"),
brown_shroom = minetest.get_content_id("riesenpilz:brown"),
red_shroom = minetest.get_content_id("riesenpilz:red"),
fly_agaric = minetest.get_content_id("riesenpilz:fly_agaric"),
sumpfgrass = minetest.get_content_id("sumpf:gras"),
junglegrass = minetest.get_content_id("default:junglegrass"),
}
--[[local function swampore(pos, env)
if minetest.get_node(pos).name == "default:stone_with_coal" then
return "kohle"
end
if minetest.get_node(pos).name == "default:stone_with_iron" then
return "eisen"
end
return "junglestone"
end]]
local function avoid_nearby_node(pos, node)
for i = -1,1,2 do
for j = -1,1,2 do
if minetest.get_node({x=pos.x+i, y=pos.y, z=pos.z+j}).name == node then
return false
end
end
end
return true
end
local function find_grond(a,list)
for _,nam in ipairs(list) do
if a == nam then
return true
end
end
return false
end
local function water_allowed(data, area, x, y, z, nds)
for _,s in ipairs(nds) do
if data[area:index(x+1, y, z)] ~= s
and data[area:index(x-1, y, z)] ~= s
and data[area:index(x, y, z)+1] ~= s
and data[area:index(x, y, z)-1] ~= s then
return true
end
end
return false
end
local function fix_light(minp, maxp, swtab)
if swtab then
minp = vector.subtract(minp, 1)
maxp = vector.add(maxp, 1)
end
local manip = minetest.get_voxel_manip()
local emerged_pos1, emerged_pos2 = manip:read_from_map(minp, maxp)
area = VoxelArea:new({MinEdge=emerged_pos1, MaxEdge=emerged_pos2})
nodes = manip:get_data()
if swtab then
for _,i in ipairs(swtab) do
if water_allowed(nodes, area, i.x, i.y, i.z, {c.air, nil})
and nodes[area:index(i.x, i.y+1, i.z)] == c.air then
for s=0,-10-math.random(1,9),-1 do
local p_pos = area:index(i.x, i.y+s, i.z)
local d_p_pos = nodes[p_pos]
if d_p_pos ~= c.air then
nodes[p_pos] = c.dirtywater
else
break
end
end
end
end
end
manip:set_data(nodes)
manip:write_to_map()
manip:update_map()
end
--[[local function find_ground(pos, nodes)
for _, evground in ipairs(nodes) do
if minetest.get_node(pos).name == evground then
return true
end
end
return false
end--]]
local smooth = sumpf.smooth
local swampwater = sumpf.swampwater
local plants_enabled = sumpf.enable_plants
local sumpf_rarity = sumpf.mapgen_rarity
local sumpf_size = sumpf.mapgen_size
local nosmooth_rarity = -(sumpf_rarity/50)+1
local perlin_scale = sumpf_size*100/sumpf_rarity
local smooth_rarity_full = nosmooth_rarity+perlin_scale/(20*sumpf_size)
local smooth_rarity_ran = nosmooth_rarity-perlin_scale/(40*sumpf_size)
local smooth_rarity_dif = (smooth_rarity_full-smooth_rarity_ran)*100-1
local GROUND = {c.gr, c.sand, c.dirt, c.desert_sand, c.water}
local USUAL_STUFF = {c.dry_shrub, c.cactus, c.papyrus}
minetest.register_on_generated(function(minp, maxp, seed)
--avoid calculating perlin noises for unneeded places
if maxp.y <= -2
or minp.y >= 150 then
return
end
local x0,z0,x1,z1 = minp.x,minp.z,maxp.x,maxp.z -- Assume X and Z lengths are equal
local perlin1 = minetest.get_perlin(1123,3, 0.5, perlin_scale) --Get map specific perlin
--[[if not (perlin1:get2d({x=x0, y=z0}) > 0.53) and not (perlin1:get2d({x=x1, y=z1}) > 0.53)
and not (perlin1:get2d({x=x0, y=z1}) > 0.53) and not (perlin1:get2d({x=x1, y=z0}) > 0.53)
and not (perlin1:get2d({x=(x1-x0)/2, y=(z1-z0)/2}) > 0.53) then]]
if not sumpf.always_generate
and not ( perlin1:get2d( {x=x0, y=z0} ) > nosmooth_rarity ) --top left
and not ( perlin1:get2d( { x = x0 + ( (x1-x0)/2), y=z0 } ) > nosmooth_rarity )--top middle
and not (perlin1:get2d({x=x1, y=z1}) > nosmooth_rarity) --bottom right
and not (perlin1:get2d({x=x1, y=z0+((z1-z0)/2)}) > nosmooth_rarity) --right middle
and not (perlin1:get2d({x=x0, y=z1}) > nosmooth_rarity) --bottom left
and not (perlin1:get2d({x=x1, y=z0}) > nosmooth_rarity) --top right
and not (perlin1:get2d({x=x0+((x1-x0)/2), y=z1}) > nosmooth_rarity) --left middle
and not (perlin1:get2d({x=(x1-x0)/2, y=(z1-z0)/2}) > nosmooth_rarity) --middle
and not (perlin1:get2d({x=x0, y=z1+((z1-z0)/2)}) > nosmooth_rarity) then --bottom middle
return
end
local t1 = os.clock()
local divs = (maxp.x-minp.x);
local pr = PseudoRandom(seed+68)
--Information:
sumpf.inform("tries to generate a swamp at: x=["..minp.x.."; "..maxp.x.."]; y=["..minp.y.."; "..maxp.y.."]; z=["..minp.z.."; "..maxp.z.."]", 2)
--[[local trees = minetest.find_nodes_in_area(minp, maxp, USUAL_STUFF)
for i,v in pairs(trees) do
minetest.remove_node(v)
end]]
local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
local data = vm:get_data()
local area = VoxelArea:new{MinEdge=emin, MaxEdge=emax}
for p_pos in area:iterp(minp, maxp) do --remove tree stuff
local d_p_pos = data[p_pos]
for _,nam in ipairs({c.tree, c.leaves, c.apple}) do
if d_p_pos == nam then
data[p_pos] = c.air
break
end
end
end
local tab, num = {}, 1
local swtab, swnum = {}, 1
for j=0,divs do
for i=0,divs do
local x,z = x0+i,z0+j
--Check if we are in a "Swamp biome"
local in_biome = false
local test = perlin1:get2d({x=x, y=z})
--smooth mapgen
if sumpf.always_generate then
in_biome = true
elseif smooth
and (
test > smooth_rarity_full
or (
test > smooth_rarity_ran
and pr:next(0,smooth_rarity_dif) > (smooth_rarity_full - test) * 100
)
) then
in_biome = true
elseif (not smooth)
and test > nosmooth_rarity then
in_biome = true
end
if in_biome then
for b = minp.y,maxp.y,1 do --remove usual stuff
local p_pos = area:index(x, b, z)
local d_p_pos = data[p_pos]
for _,nam in ipairs(USUAL_STUFF) do
if d_p_pos == nam then
data[p_pos] = c.air
break
end
end
end
local ground_y = nil --Definition des Bodens:
for y=maxp.y,-5,-1 do -- -5 because of the caves
if find_grond(data[area:index(x, y, z)], GROUND) then
ground_y = y
break
end
end
if ground_y then
local p_ground = area:index(x, ground_y, z)
local p_boden = area:index(x, ground_y+1, z)
local p_uground = area:index(x, ground_y-1, z)
local d_p_ground = data[p_ground]
local d_p_boden = data[p_boden]
local d_p_uground = data[p_uground]
local ground = {x=x,y=ground_y, z=z}
local boden = {x=x,y=ground_y+1, z=z}
if d_p_ground == c.water then --Dreckseen:
if smooth then
h = pr:next(1,2)
else
h = 2 --untested
end
if minetest.find_node_near(ground, 3+h, "group:crumbly") then
--if data[area:index(x, ground_y-(3+pr:next(1,2)), z)] ~= c.water then
for y=0,-pr:next(26,30),-1 do
local p_pos = area:index(x, ground_y+y, z)
local d_p_pos = data[p_pos]
local pos = {x=x,y=ground_y+y,z=z}
if d_p_pos == c.water then
data[p_pos] = c.dirtywater
else
data[p_pos] = c.peat
end
end
end
else
--[[if swampwater --Sumpfwasser: doesn't work like cave detection
and pr:next(1,2) == 2
and water_allowed(data, area, x, ground_y, z, {c.air, nil, 0})
and d_p_boden == c.air then
for s=0,-10-pr:next(1,9),-1 do
local p_pos = area:index(x, ground_y+s, z)
local d_p_pos = data[p_pos]
if d_p_pos ~= c.air then
data[p_pos] = c.dirtywater
else
break
end
end
else]]
local p_uuground = area:index(x, ground_y-2, z)
if sumpf.wet_beaches
and ground_y == 1
and pr:next(1,3) == 1 then
data[p_ground] = c.dirtywater
if pr:next(1,3) == 1 then
data[p_uground] = c.dirtywater
else
data[p_uground] = c.peat
end
data[p_uuground] = c.peat
else --Sumpfboden:
data[p_ground] = c.sumpfg
data[p_uground] = c.sumpfg
data[p_uuground] = c.sumpf2
end
for i=-3,-30,-1 do
local p_pos = area:index(x, ground_y+i, z)
local d_p_pos = data[p_pos]
if d_p_pos ~= c.air then
if d_p_pos == c.coal then
data[p_pos] = c.sumpfcoal
elseif d_p_pos == c.iron then
data[p_pos] = c.sumpfiron
else
data[p_pos] = c.sumpfstone
end
else
break
end
end
if plants_enabled then --Pflanzen (und Pilz):
if pr:next(1,80) == 1 then
-- mache_birke(boden) this didn't work, so...
tab[num] = {1, boden}
num = num+1
elseif pr:next(1,20) == 1 then
tab[num] = {2, boden}
num = num+1
-- sumpf_make_jungletree(boden)
elseif swampwater
and pr:next(1,2) == 2 then
swtab[swnum] = ground
swnum = swnum+1
elseif pr:next(1,50) == 1 then
data[p_boden] = c.brown_shroom
elseif pr:next(1,100) == 1 then
data[p_boden] = c.red_shroom
elseif pr:next(1,200) == 1 then
data[p_boden] = c.fly_agaric
elseif pr:next(1,4) == 1 then
data[p_boden] = c.sumpfgrass
elseif pr:next(1,6) == 1 then
data[p_boden] = c.junglegrass
end
end
end
end
end
end
end
vm:set_data(data)
--vm:set_lighting({day=0, night=0})
--vm:calc_lighting()
--vm:update_liquids()
vm:write_to_map()
sumpf.inform("ground finished", 2, t1)
local t2 = os.clock()
if plants_enabled then --Trees:
for _,v in ipairs(tab) do
local p = v[2]
if v[1] == 1 then
mache_birke(p, 1)
else
sumpf_make_jungletree(p, 1)
end
end
end
sumpf.inform("trees made", 2, t2)
minetest.after(0, function(param)
local t2 = os.clock()
local minp, maxp, swtab = unpack(param)
fix_light(minp, maxp, swtab)
sumpf.inform("shadows added", 2, t2)
end, {minp, maxp, swtab})
sumpf.inform("done", 1, t1)
end)