281 lines
9.1 KiB
Lua
281 lines
9.1 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.env: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_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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--[[local function find_ground(pos, nodes)
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for _, evground in ipairs(nodes) do
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if minetest.env: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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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_water = minetest.get_content_id("default:water_source")
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local c_dirtywater = minetest.get_content_id("sumpf:dirtywater_source")
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local c_coal = minetest.get_content_id("default:stone_with_coal")
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local c_iron = minetest.get_content_id("default:stone_with_iron")
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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_dry_shrub = minetest.get_content_id("default:dry_shrub")
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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_sumpfg = minetest.get_content_id("sumpf:sumpf")
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local c_sumpf2 = minetest.get_content_id("sumpf:sumpf2")
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local c_sumpfstone = minetest.get_content_id("sumpf:junglestone")
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local c_sumpfcoal = minetest.get_content_id("sumpf:kohle")
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local c_sumpfiron = minetest.get_content_id("sumpf:eisen")
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local c_peat = minetest.get_content_id("sumpf:peat")
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local c_brown_shroom = minetest.get_content_id("riesenpilz:brown")
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local c_red_shroom = minetest.get_content_id("riesenpilz:red")
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local c_fly_agaric = minetest.get_content_id("riesenpilz:fly_agaric")
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local c_sumpfgrass = minetest.get_content_id("sumpf:gras")
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local c_junglegrass = minetest.get_content_id("default:junglegrass")
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local c_stonebrick = minetest.get_content_id("default:stonebrick")
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local c_cloud = minetest.get_content_id("default:cloud")
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EVSUMPFGROUND = {"default:dirt_with_grass","default:dirt","default:sand","default:water_source","default:desert_sand"}
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GROUND = {c_gr, c_sand, c_dirt, c_desert_sand, c_water}
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--USUAL_STUFF = {"default:leaves","default:apple","default:tree","default:dry_shrub","default:cactus","default:papyrus"}
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USUAL_STUFF = {c_dry_shrub, c_cactus, c_papyrus}
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minetest.register_on_generated(function(minp, maxp, seed)
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if maxp.y <= -2
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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(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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--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 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 vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
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local data = vm:get_data()
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local 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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local smooth = sumpf.smooth
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local swampwater = sumpf.swampwater
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local plants_enabled = sumpf.enable_plants
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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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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(USUAL_STUFF) 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,-5,-1 do --because of the caves
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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 p_uground = 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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local d_p_uground = data[p_uground]
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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 d_p_ground == c_water then --Dreckseen:
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if env:find_node_near(ground, 3+pr:next(1,2), "group:crumbly") then
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--if data[area:index(x, ground_y-(3+pr:next(1,2)), z)] ~= c_water then
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for y=0,-pr:next(26,30),-1 do
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local p_pos = area:index(x, ground_y+y, z)
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local d_p_pos = data[p_pos]
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local pos = {x=x,y=ground_y+y,z=z}
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if d_p_pos == c_water then
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data[p_pos] = c_dirtywater
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else
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data[p_pos] = c_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 data[area:index(x+1, ground_y, z)] ~= c_air
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and data[area:index(x-1, ground_y, z)] ~= c_air
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and data[area:index(x, ground_y, z)+1] ~= c_air
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and data[area:index(x, ground_y, z)-1] ~= c_air
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and d_p_boden == c_air then
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for s=0,-10-pr:next(1,9),-1 do
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local p_pos = area:index(x, ground_y+s, z)
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local d_p_pos = data[p_pos]
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if d_p_pos ~= c_air then
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data[p_pos] = c_dirtywater
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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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data[p_ground] = c_sumpfg
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data[p_uground] = c_sumpfg
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data[area:index(x, ground_y-2, z)] = c_sumpf2
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for i=-3,-30,-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_air then
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if d_p_pos == c_coal then
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data[p_pos] = c_sumpfcoal
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elseif d_p_pos == c_iron then
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data[p_pos] = c_sumpfiron
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else
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data[p_pos] = c_sumpfstone
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end
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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 plants_enabled then --Pflanzen (und Pilz):
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if pr:next(1,80) == 1 then
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data[p_boden] = c_stonebrick
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-- mache_birke(boden) this didn't work, so...
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elseif pr:next(1,20) == 1 then
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data[p_boden] = c_cloud
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-- sumpf_make_jungletree(boden)
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elseif pr:next(1,50) == 1 then
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data[p_boden] = c_brown_shroom
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elseif pr:next(1,100) == 1 then
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data[p_boden] = c_red_shroom
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elseif pr:next(1,200) == 1 then
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data[p_boden] = c_fly_agaric
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elseif pr:next(1,4) == 1 then
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data[p_boden] = c_sumpfgrass
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elseif pr:next(1,6) == 1 then
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data[p_boden] = c_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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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 plants_enabled then --Trees:
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local birches = env:find_nodes_in_area(minp, maxp, {"default:stonebrick"})
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local jgtrees = env:find_nodes_in_area(minp, maxp, {"default:cloud"})
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for _,v in ipairs(birches) do
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mache_birke(v)
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end
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for _,v in ipairs(jgtrees) do
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sumpf_make_jungletree(v)
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end
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end
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end)
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