forked from mtcontrib/riesenpilz
273 lines
9.2 KiB
Lua
273 lines
9.2 KiB
Lua
local c_air = minetest.get_content_id("air")
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local c_stone = minetest.get_content_id("default:stone")
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local c_gr = minetest.get_content_id("default:dirt_with_grass")
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local c_dirt = minetest.get_content_id("default:dirt")
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local c_sand = minetest.get_content_id("default:sand")
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local c_desert_sand = minetest.get_content_id("default:desert_sand")
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local c_tree = minetest.get_content_id("default:tree")
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local c_leaves = minetest.get_content_id("default:leaves")
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local c_apple = minetest.get_content_id("default:apple")
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local c_cactus = minetest.get_content_id("default:cactus")
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local c_papyrus = minetest.get_content_id("default:papyrus")
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local c_dry_shrub = minetest.get_content_id("default:dry_shrub")
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local c_ground = minetest.get_content_id("riesenpilz:ground")
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local c_riesenpilz_brown = minetest.get_content_id("riesenpilz:brown")
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local c_riesenpilz_red = minetest.get_content_id("riesenpilz:red")
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local c_riesenpilz_fly_agaric = minetest.get_content_id("riesenpilz:fly_agaric")
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local c_riesenpilz_lavashroom = minetest.get_content_id("riesenpilz:lavashroom")
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local c_riesenpilz_glowshroom = minetest.get_content_id("riesenpilz:glowshroom")
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local function find_grond(a,list)
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for _,nam in ipairs(list) do
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if a == nam then
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return true
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end
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end
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return false
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end
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function riesenpilz_circle(nam, pos, radius, chance)
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for i = -radius, radius, 1 do
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for j = -radius, radius, 1 do
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if math.floor( math.sqrt(i^2+j^2) +0.5) == radius
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and data[area:index(pos.x+i, pos.y, pos.z+j)] == c_air
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and pr:next(1,chance) == 1
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and data[area:index(pos.x+i, pos.y-1, pos.z+j)] == c_ground then
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data[area:index(pos.x+i, pos.y, pos.z+j)] = nam
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end
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end
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end
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end
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local function say_info(info)
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local info = "[riesenpilz] "..info
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print(info)
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minetest.chat_send_all(info)
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end
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local GROUND = {c_gr, c_sand, c_dirt, c_desert_sand}
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--local USUAL_STUFF = {"default:leaves","default:apple","default:tree","default:cactus","default:papyrus"}
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minetest.register_on_generated(function(minp, maxp, seed)
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if maxp.y <= 0
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or minp.y >= 150 then --avoid generation in the sky
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return
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end
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local x0,z0,x1,z1 = minp.x,minp.z,maxp.x,maxp.z -- Assume X and Z lengths are equal
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local env = minetest.env --Should make things a bit faster.
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local perlin1 = env:get_perlin(51,3, 0.5, 200) --Get map specific perlin
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--[[if not (perlin1:get2d({x=x0, y=z0}) > 0.53) and not (perlin1:get2d({x=x1, y=z1}) > 0.53)
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and not (perlin1:get2d({x=x0, y=z1}) > 0.53) and not (perlin1:get2d({x=x1, y=z0}) > 0.53)
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and not (perlin1:get2d({x=(x1-x0)/2, y=(z1-z0)/2}) > 0.53) then]]
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if not riesenpilz.always_generate
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and not ( perlin1:get2d( {x=x0, y=z0} ) > 0.53 ) --top left
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and not ( perlin1:get2d( { x = x0 + ( (x1-x0)/2), y=z0 } ) > 0.53 )--top middle
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and not (perlin1:get2d({x=x1, y=z1}) > 0.53) --bottom right
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and not (perlin1:get2d({x=x1, y=z0+((z1-z0)/2)}) > 0.53) --right middle
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and not (perlin1:get2d({x=x0, y=z1}) > 0.53) --bottom left
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and not (perlin1:get2d({x=x1, y=z0}) > 0.53) --top right
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and not (perlin1:get2d({x=x0+((x1-x0)/2), y=z1}) > 0.53) --left middle
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and not (perlin1:get2d({x=(x1-x0)/2, y=(z1-z0)/2}) > 0.53) --middle
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and not (perlin1:get2d({x=x0, y=z1+((z1-z0)/2)}) > 0.53) then --bottom middle
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print("[riesenpilz] abort")
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return
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end
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if riesenpilz.info then
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say_info("tries to generate at: x=["..minp.x.."; "..maxp.x.."]; y=["..minp.y.."; "..maxp.y.."]; z=["..minp.z.."; "..maxp.z.."]")
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t1 = os.clock()
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end
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local divs = (maxp.x-minp.x);
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local num = 1
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local tab = {}
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pr = PseudoRandom(seed+68)
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local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
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data = vm:get_data()
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area = VoxelArea:new{MinEdge=emin, MaxEdge=emax}
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for p_pos in area:iterp(minp, maxp) do --remove tree stuff
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local d_p_pos = data[p_pos]
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for _,nam in ipairs({c_tree, c_leaves, c_apple}) do
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if d_p_pos == nam then
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data[p_pos] = c_air
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break
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end
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end
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end
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--[[remove usual stuff
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local trees = env:find_nodes_in_area(minp, maxp, USUAL_STUFF)
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for i,v in pairs(trees) do
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env:remove_node(v)
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end]]
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local smooth = riesenpilz.smooth
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for j=0,divs do
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for i=0,divs do
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local x,z = x0+i,z0+j
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--Check if we are in a "riesenpilz biome"
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local in_biome = false
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local test = perlin1:get2d({x=x, y=z})
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--smooth mapgen
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if riesenpilz.always_generate then
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in_biome = true
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elseif smooth and (test > 0.73 or (test > 0.43 and pr:next(0,29) > (0.73 - test) * 100 )) then
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in_biome = true
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elseif (not smooth) and test > 0.53 then
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in_biome = true
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end
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if in_biome then
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for b = minp.y,maxp.y,1 do --remove usual stuff
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local p_pos = area:index(x, b, z)
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local d_p_pos = data[p_pos]
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for _,nam in ipairs({c_cactus, c_papyrus}) do
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if d_p_pos == nam then
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data[p_pos] = c_air
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break
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end
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end
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end
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local ground_y = nil --Definition des Bodens:
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-- for y=maxp.y,0,-1 do
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for y=maxp.y,1,-1 do
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if find_grond(data[area:index(x, y, z)], GROUND) then
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ground_y = y
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break
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end
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end
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if ground_y then
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local p_ground = area:index(x, ground_y, z)
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local p_boden = area:index(x, ground_y+1, z)
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local d_p_ground = data[p_ground]
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local d_p_boden = data[p_boden]
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data[p_ground] = c_ground
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for i = -1,-5,-1 do
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local p_pos = area:index(x, ground_y+i, z)
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local d_p_pos = data[p_pos]
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if d_p_pos == c_desert_sand then
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data[p_pos] = c_dirt
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else
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break
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end
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end
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local boden = {x=x,y=ground_y+1,z=z}
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if pr:next(1,15) == 1 then
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data[p_boden] = c_dry_shrub
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elseif pr:next(1,80) == 1 then
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riesenpilz_circle(c_riesenpilz_brown, boden, pr:next(3,4), 3)
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elseif pr:next(1,90) == 1 then
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riesenpilz_circle(c_riesenpilz_red, boden, pr:next(4,5), 3)
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elseif pr:next(1,100) == 1 then
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riesenpilz_circle(c_riesenpilz_fly_agaric, boden, 4, 3)
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elseif pr:next(1,4000) == 1 then
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riesenpilz_circle(c_riesenpilz_lavashroom, boden, pr:next(5,6), 3)
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elseif pr:next(1,5000) == 1 then
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riesenpilz_circle(c_riesenpilz_glowshroom, boden, 3, 3)
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--[[elseif pr:next(1,80) == 1 then
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env:add_node(boden, {name="riesenpilz:brown"})
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elseif pr:next(1,90) == 1 then
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env:add_node(boden, {name="riesenpilz:red"})
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elseif pr:next(1,100) == 1 then
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env:add_node(boden, {name="riesenpilz:fly_agaric"})
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elseif pr:next(1,4000) == 1 then
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env:add_node(boden, {name="riesenpilz:lavashroom"})
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elseif pr:next(1,5000) == 1 then
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env:add_node(boden, {name="riesenpilz:glowshroom"})]]
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elseif pr:next(1,380) == 1 then
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tab[num] = {1, boden}
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num = num+1
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elseif pr:next(1,340) == 10 then
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tab[num] = {2, boden}
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num = num+1
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elseif pr:next(1,390) == 20 then
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tab[num] = {3, boden}
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num = num+1
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elseif pr:next(1,6000) == 2 and pr:next(1,200) == 15 then
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tab[num] = {4, boden}
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num = num+1
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end
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end
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end
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end
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end
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vm:set_data(data)
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--vm:set_lighting({day=0, night=0})
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vm:calc_lighting()
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vm:update_liquids()
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vm:write_to_map()
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if riesenpilz.info then
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say_info(string.format("ground generated after: %.2fs", os.clock() - t1))
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t1 = os.clock()
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end
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for _,v in ipairs(tab) do
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local p = v[2]
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if v[1] == 1 then
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riesenpilz_hybridpilz(p)
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elseif v[1] == 2 then
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riesenpilz_brauner_minecraftpilz(p)
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elseif v[1] == 3 then
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riesenpilz_minecraft_fliegenpilz(p)
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elseif v[1] == 4 then
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riesenpilz_lavashroom(p)
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end
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end
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if riesenpilz.info then
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say_info(string.format("giant shrooms generated after: %.2fs", os.clock() - t1))
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end
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end)
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--[[ if maxp.y < -10 then
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local x0,z0,x1,z1 = minp.x,minp.z,maxp.x,maxp.z -- Assume X and Z lengths are equal
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local env = minetest.env --Should make things a bit faster.
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local perlin1 = env:get_perlin(11,3, 0.5, 200) --Get map specific perlin
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--[if not (perlin1:get2d({x=x0, y=z0}) > 0.53) and not (perlin1:get2d({x=x1, y=z1}) > 0.53)
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and not (perlin1:get2d({x=x0, y=z1}) > 0.53) and not (perlin1:get2d({x=x1, y=z0}) > 0.53)
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and not (perlin1:get2d({x=(x1-x0)/2, y=(z1-z0)/2}) > 0.53) then]
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if not ( perlin1:get2d( {x=x0, y=z0} ) > 0.53 ) --top left
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and not ( perlin1:get2d( { x = x0 + ( (x1-x0)/2), y=z0 } ) > 0.53 )--top middle
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and not (perlin1:get2d({x=x1, y=z1}) > 0.53) --bottom right
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and not (perlin1:get2d({x=x1, y=z0+((z1-z0)/2)}) > 0.53) --right middle
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and not (perlin1:get2d({x=x0, y=z1}) > 0.53) --bottom left
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and not (perlin1:get2d({x=x1, y=z0}) > 0.53) --top right
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and not (perlin1:get2d({x=x0+((x1-x0)/2), y=z1}) > 0.53) --left middle
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and not (perlin1:get2d({x=(x1-x0)/2, y=(z1-z0)/2}) > 0.53) --middle
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and not (perlin1:get2d({x=x0, y=z1+((z1-z0)/2)}) > 0.53) then --bottom middle
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print("abortsumpf")
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return
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end
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local divs = (maxp.x-minp.x);
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local pr = PseudoRandom(seed+68)
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for j=0,divs do
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for i=0,divs do
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local x,z = x0+i,z0+j
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for y=minp.y,maxp.y,1 do
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local pos = {x=x, y=y, z=z}
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if env:get_node(pos).name == "air"
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and env:get_node({x=x, y=y-1, z=z}).name == "default:stone"
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and pr:next(1,40) == 33
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and env:find_node_near(pos, 4, "group:igniter")
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and not env:find_node_near(pos, 3, "group:igniter") then
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env:add_node(pos, {name="riesenpilz:lavashroom"})
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end
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end
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end
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end
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end
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end)]]
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