187 lines
6.1 KiB
Lua
187 lines
6.1 KiB
Lua
minetest.register_alias("sumpf:pilz", "riesenpilz:brown")
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local function swampore(pos, env)
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if env:get_node(pos).name == "default:stone_with_coal" then
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return "kohle"
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end
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if env:get_node(pos).name == "default:stone_with_iron" then
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return "eisen"
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end
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return "junglestone"
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end
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local function avoid_nearby_node(pos, node)
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for i = -1,1,2 do
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for j = -1,1,2 do
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if minetest.get_node({x=pos.x+i, y=pos.y, z=pos.z+j}).name == node then
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return false
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end
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end
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end
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return true
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end
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local function find_ground(pos, nodes)
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for _, evground in ipairs(nodes) do
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if minetest.get_node(pos).name == evground 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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EVSUMPFGROUND = {"default:dirt_with_grass","default:dirt","default:sand","default:desert_sand", "default:water_source"}
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USUAL_STUFF = {"default:leaves","default:apple","default:tree","default:dry_shrub","default:cactus","default:papyrus"}
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minetest.register_on_generated(function(minp, maxp, seed)
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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 sumpf.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("[sumpf] 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 i = minp.x,maxp.x,1 do
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for j = minp.y,maxp.y,1 do
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for k = minp.z,maxp.z,1 do
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if env:get_node({x=i,y=j,z=k}).name == "sumpf:sumpf" then
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local warning = "[sumpf] wants to generate again at: x=["..minp.x.."; "..maxp.x.."]; z=["..minp.z.."; "..maxp.z.."] ..not aborting"
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print(warning)
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minetest.chat_send_all(warning)
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end
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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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--Information:
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if sumpf.info then
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local geninfo = "[sumpf] tries to generate a swamp at: x=["..minp.x.."; "..maxp.x.."]; y=["..minp.y.."; "..maxp.y.."]; z=["..minp.z.."; "..maxp.z.."]"
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print(geninfo)
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minetest.chat_send_all(geninfo)
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end
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local smooth = sumpf.smooth
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local swampwater = sumpf.swampwater
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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 "Swamp 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 sumpf.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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local ground_y = nil --Definition des Bodens:
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for y=maxp.y,0,-1 do
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if find_ground({x=x,y=y,z=z}, EVSUMPFGROUND) 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 ground = {x=x,y=ground_y, z=z}
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local boden = {x=x,y=ground_y+1, z=z}
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if env:get_node(ground).name == "default:water_source" then --Dreckseen:
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if env:find_node_near(ground, 3+pr:next(1,2), "group:crumbly") then
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for y=0,-30,-1 do
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local pos = {x=x,y=ground_y+y,z=z}
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if env:get_node(pos).name == "default:water_source" then
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env:add_node(pos, {name="sumpf:dirtywater_source"})
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else
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env:add_node(pos, {name="sumpf:peat"})
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end
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end
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end
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else
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if swampwater --Sumpfwasser:
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and pr:next(1,2) == 2
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and avoid_nearby_node(ground, "air")
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and avoid_nearby_node(ground, "default:junglegrass")
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and avoid_nearby_node(ground, "sumpf:gras")
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and avoid_nearby_node(ground, "riesenpilz:brown")
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and avoid_nearby_node(ground, "riesenpilz:red")
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and avoid_nearby_node(ground, "riesenpilz:fly_agaric")
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and avoid_nearby_node(ground, "ignore")
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and env:get_node(boden).name == "air" then
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for s=0,-20-pr:next(1,9),-1 do
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local pos = {x=x,y=ground_y+s,z=z}
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if env:get_node(pos).name ~= "air" then
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env:add_node(pos, {name="sumpf:dirtywater_source"})
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else
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break
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end
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end
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else --Sumpfboden:
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for l=-1,0,1 do
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env:add_node({x=x,y=ground_y+l,z=z}, {name="sumpf:sumpf"})
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end
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env:add_node({x=x,y=ground_y-2,z=z}, {name="sumpf:sumpf2"})
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for i=-3,-30,-1 do
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local pos = {x=x,y=ground_y+i,z=z}
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if env:get_node(pos).name ~= "air" then
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env:add_node(pos, {name="sumpf:"..swampore(pos, env)})
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else
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break
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end
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end
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end
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if sumpf.enable_plants then --Pflanzen (und Pilz):
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if pr:next(1,80) == 1 then
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mache_birke(boden)
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elseif pr:next(1,20) == 1 then
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sumpf_make_jungletree(boden)
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elseif pr:next(1,50) == 1 then
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env:add_node(boden, {name="riesenpilz:brown"})
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elseif pr:next(1,100) == 1 then
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env:add_node(boden, {name="riesenpilz:red"})
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elseif pr:next(1,200) == 1 then
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env:add_node(boden, {name="riesenpilz:fly_agaric"})
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elseif pr:next(1,4) == 1 then
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env:add_node(boden, {name="sumpf:gras"})
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elseif pr:next(1,6) == 1 then
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env:add_node(boden, {name="default:junglegrass"})
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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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end
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end
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end)
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