forked from mtcontrib/minetest-mod-snow
Add two biomes, Snowy and Plain.
This commit is contained in:
Splizard
parent
895f9c3e9e
commit
5288d4ef94
6
init.lua
6
init.lua
@ -250,6 +250,7 @@ minetest.register_node("snow:snow_block", {
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--mapgen defines the vegetation.
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--1 = Moss
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--2 = Papyrus
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--3 = Dry shrub
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is_ground_content = true,
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groups = {crumbly=3,melts=2,falling_node=1},
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drop = 'snow:snow_block',
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@ -268,6 +269,11 @@ minetest.register_node("snow:snow_block", {
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if n == "air" or n == "default:water_flowing" or n == "default:water_source" then
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minetest.env:add_node(pos,{name="default:papyrus"})
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end
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elseif node.param2 == 3 then
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local n = minetest.env:get_node(pos).name
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if n == "air" or n == "default:water_flowing" or n == "default:water_source" then
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minetest.env:add_node(pos,{name="default:dry_shrub"})
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end
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end
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end,
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})
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202
mapgen.lua
202
mapgen.lua
@ -8,6 +8,9 @@ function snow.make_pine(pos,snow)
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if env:get_node({x=pos.x+x,y=pos.y,z=pos.z+z}).name == "snow:snow" then
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env:remove_node({x=pos.x+x,y=pos.y,z=pos.z+z})
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end
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if env:get_node({x=pos.x+x,y=pos.y,z=pos.z+z}).name == "snow:snow_block" then
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env:remove_node({x=pos.x+x,y=pos.y,z=pos.z+z})
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end
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end
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end
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--Make tree.
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@ -88,6 +91,8 @@ if maxp.y >= -10 then
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--Choose a biome type.
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local pr = PseudoRandom(seed+57)
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local biome = pr:next(1, 12)
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local snowy = biome == 1 --spawns alot of snow
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local plain = biome == 7 --spawns not much
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local icebergs = biome == 2
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local icesheet = biome == 3
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local alpine = biome == 11 or biome == 12 --rocky terrain
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@ -103,7 +108,9 @@ if maxp.y >= -10 then
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--Debugging function
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local biomeToString = function(num)
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if num == 1 or num == 7 or num == 8 or num == 4 then return "normal"
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if num == 1 then return "snowy"
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elseif num == 7 then return "plain"
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elseif num == 8 or num == 4 then return "normal"
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elseif num == 2 then return "icebergs"
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elseif num == 3 then return "icesheet"
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elseif num == 5 then return "icecave"
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@ -136,114 +143,125 @@ if maxp.y >= -10 then
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--Check if we are in a "Snow 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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if smooth and (test > 0.73 or (test > 0.43 and pr:next(0,29) > (0.73 - test) * 100 )) then
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if smooth and (not snowy) 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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elseif (not smooth or snowy) 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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-- Find ground level (0...15)
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local ground_y = nil
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for y=maxp.y,minp.y+1,-1 do
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if env:get_node({x=x,y=y,z=z}).name ~= "air" then
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ground_y = y
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break
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if not plain or pr:next(1,12) == 1 then
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-- Find ground level (0...15)
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local ground_y = nil
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for y=maxp.y,minp.y+1,-1 do
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if env:get_node({x=x,y=y,z=z}).name ~= "air" 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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end
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-- Snowy biome stuff
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local node = env:get_node({x=x,y=ground_y,z=z})
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-- Snowy biome stuff
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local node = env:get_node({x=x,y=ground_y,z=z})
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if ground_y and node.name == "default:dirt_with_grass" then
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local veg
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if mossy and pr:next(1,10) == 1 then veg = 1 end
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if alpine then
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--Gets rid of dirt
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env:add_node({x=x,y=ground_y+1,z=z}, {name="snow:snow",param2=veg})
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for y=ground_y,-6,-1 do
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if env:get_node({x=x,y=y,z=z}) and env:get_node({x=x,y=y,z=z}).name == "default:stone" then
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break
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else
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env:add_node({x=x,y=y,z=z},{name="default:stone"})
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if ground_y and node.name == "default:dirt_with_grass" then
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local veg
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if mossy and pr:next(1,10) == 1 then veg = 1 end
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if alpine then
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--Gets rid of dirt
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env:add_node({x=x,y=ground_y+1,z=z}, {name="snow:snow",param2=veg})
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for y=ground_y,-6,-1 do
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if env:get_node({x=x,y=y,z=z}) and env:get_node({x=x,y=y,z=z}).name == "default:stone" then
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break
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else
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env:add_node({x=x,y=y,z=z},{name="default:stone"})
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end
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end
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elseif shrubs and pr:next(1,28) == 1 then
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--Spawns dry shrubs.
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env:add_node({x=x,y=ground_y,z=z}, {name="snow:dirt_with_snow"})
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if snowy then
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env:add_node({x=x,y=ground_y+1,z=z}, {name="snow:snow_block", param2=3})
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else
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env:add_node({x=x,y=ground_y+1,z=z}, {name="default:dry_shrub"})
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end
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elseif pines and pr:next(1,36) == 1 then
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--Spawns pines.
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env:add_node({x=x,y=ground_y,z=z}, {name="default:dirt_with_grass"})
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make_pine({x=x,y=ground_y+1,z=z},true)
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elseif snowy then
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--Spawns snow blocks.
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env:add_node({x=x,y=ground_y+1,z=z}, {name="snow:snow_block"})
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env:add_node({x=x,y=ground_y+2,z=z}, {name="snow:snow",param2=veg})
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else
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--Spawns snow.
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env:add_node({x=x,y=ground_y,z=z}, {name="snow:dirt_with_snow"})
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env:add_node({x=x,y=ground_y+1,z=z}, {name="snow:snow",param2=veg})
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end
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elseif shrubs and pr:next(1,28) == 1 then
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--Spawns dry shrubs.
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env:add_node({x=x,y=ground_y,z=z}, {name="snow:dirt_with_snow"})
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env:add_node({x=x,y=ground_y+1,z=z}, {name="default:dry_shrub"})
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elseif pines and pr:next(1,36) == 1 then
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--Spawns pines.
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env:add_node({x=x,y=ground_y,z=z}, {name="default:dirt_with_grass"})
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make_pine({x=x,y=ground_y+1,z=z},true)
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else
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--Spawns snow.
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env:add_node({x=x,y=ground_y,z=z}, {name="snow:dirt_with_snow"})
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env:add_node({x=x,y=ground_y+1,z=z}, {name="snow:snow",param2=veg})
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end
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elseif ground_y and node.name == "default:sand" then
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--Spawns ice in sand if icy, otherwise spawns snow on top.
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if not icy then
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env:add_node({x=x,y=ground_y+1,z=z}, {name="snow:snow"})
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env:add_node({x=x,y=ground_y,z=z}, {name="snow:snow_block"})
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else
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env:add_node({x=x,y=ground_y,z=z}, {name="snow:ice"})
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end
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elseif ground_y and env:get_node({x=x,y=ground_y,z=z}).name == "default:leaves" then
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env:add_node({x=x,y=ground_y+1,z=z}, {name="snow:snow"})
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elseif ground_y and env:get_node({x=x,y=ground_y,z=z}).name == "default:papyrus" then
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for i=ground_y, ground_y-4, -1 do
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if env:get_node({x=x,y=i,z=z}).name == "default:papyrus" then
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elseif ground_y and node.name == "default:sand" then
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--Spawns ice in sand if icy, otherwise spawns snow on top.
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if not icy then
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env:add_node({x=x,y=ground_y+1,z=z}, {name="snow:snow"})
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env:add_node({x=x,y=i,z=z}, {name="snow:snow_block", param2=2})
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end
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end
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elseif ground_y and node.name == "default:water_source" then
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if not icesheet and not icecave and not icehole then
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--Coastal ice.
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local x1 = env:get_node({x=x+1,y=ground_y,z=z}).name
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local z1 = env:get_node({x=x,y=ground_y,z=z+1}).name
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local xz1 = env:get_node({x=x+1,y=ground_y,z=z+1}).name
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local xz2 = env:get_node({x=x-1,y=ground_y,z=z-1}).name
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local x2 = env:get_node({x=x-1,y=ground_y,z=z}).name
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local z2 = env:get_node({x=x,y=ground_y,z=z-1}).name
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local y = env:get_node({x=x,y=ground_y-1,z=z}).name
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local rand = pr:next(1,4) == 1
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if
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((x1 and x1 ~= "default:water_source" and x1 ~= "snow:ice" and x1 ~= "air" and x1 ~= "ignore") or ((cool or icebergs) and x1 == "snow:ice" and rand)) or
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((z1 and z1 ~= "default:water_source" and z1 ~= "snow:ice" and z1 ~= "air" and z1 ~= "ignore") or ((cool or icebergs) and z1 == "snow:ice" and rand)) or
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((xz1 and xz1 ~= "default:water_source" and xz1 ~= "snow:ice" and xz1 ~= "air"and xz1 ~= "ignore") or ((cool or icebergs) and xz1 == "snow:ice" and rand)) or
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((xz2 and xz2 ~= "default:water_source" and xz2 ~= "snow:ice" and xz2 ~= "air"and xz2 ~= "ignore") or ((cool or icebergs) and xz2 == "snow:ice" and rand)) or
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((x2 and x2 ~= "default:water_source" and x2 ~= "snow:ice" and x2 ~= "air" and x2 ~= "ignore") or ((cool or icebergs) and x2 == "snow:ice" and rand)) or
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((z2 and z2 ~= "default:water_source" and z2 ~= "snow:ice" and z2 ~= "air" and z2 ~= "ignore") or ((cool or icebergs) and z2 == "snow:ice" and rand)) or
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(y ~= "default:water_source" and y ~= "snow:ice" and y ~= "air") or (pr:next(1,6) == 1 and icebergs) then
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env:add_node({x=x,y=ground_y,z=z}, {name="snow:ice"})
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end
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else
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--Icesheets, Broken icesheet, Icecaves
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if (icehole and pr:next(1,10) > 1) or icecave or icesheet then
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env:add_node({x=x,y=ground_y,z=z}, {name="snow:snow_block"})
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else
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env:add_node({x=x,y=ground_y,z=z}, {name="snow:ice"})
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end
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if icecave then
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--Gets rid of water underneath ice
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for y=ground_y-1,-60,-1 do
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if env:get_node({x=x,y=y,z=z}) and env:get_node({x=x,y=y,z=z}).name ~= "default:water_source" then
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break
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else
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env:remove_node({x=x,y=y,z=z})
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elseif ground_y and env:get_node({x=x,y=ground_y,z=z}).name == "default:leaves" then
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env:add_node({x=x,y=ground_y+1,z=z}, {name="snow:snow"})
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elseif ground_y and env:get_node({x=x,y=ground_y,z=z}).name == "default:papyrus" then
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for i=ground_y, ground_y-4, -1 do
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if env:get_node({x=x,y=i,z=z}).name == "default:papyrus" then
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env:add_node({x=x,y=ground_y+1,z=z}, {name="snow:snow"})
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env:add_node({x=x,y=i,z=z}, {name="snow:snow_block", param2=2})
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end
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end
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elseif ground_y and node.name == "default:water_source" then
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if not icesheet and not icecave and not icehole then
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--Coastal ice.
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local x1 = env:get_node({x=x+1,y=ground_y,z=z}).name
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local z1 = env:get_node({x=x,y=ground_y,z=z+1}).name
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local xz1 = env:get_node({x=x+1,y=ground_y,z=z+1}).name
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local xz2 = env:get_node({x=x-1,y=ground_y,z=z-1}).name
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local x2 = env:get_node({x=x-1,y=ground_y,z=z}).name
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local z2 = env:get_node({x=x,y=ground_y,z=z-1}).name
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local y = env:get_node({x=x,y=ground_y-1,z=z}).name
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local rand = pr:next(1,4) == 1
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if
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((x1 and x1 ~= "default:water_source" and x1 ~= "snow:ice" and x1 ~= "air" and x1 ~= "ignore") or ((cool or icebergs) and x1 == "snow:ice" and rand)) or
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((z1 and z1 ~= "default:water_source" and z1 ~= "snow:ice" and z1 ~= "air" and z1 ~= "ignore") or ((cool or icebergs) and z1 == "snow:ice" and rand)) or
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((xz1 and xz1 ~= "default:water_source" and xz1 ~= "snow:ice" and xz1 ~= "air"and xz1 ~= "ignore") or ((cool or icebergs) and xz1 == "snow:ice" and rand)) or
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((xz2 and xz2 ~= "default:water_source" and xz2 ~= "snow:ice" and xz2 ~= "air"and xz2 ~= "ignore") or ((cool or icebergs) and xz2 == "snow:ice" and rand)) or
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((x2 and x2 ~= "default:water_source" and x2 ~= "snow:ice" and x2 ~= "air" and x2 ~= "ignore") or ((cool or icebergs) and x2 == "snow:ice" and rand)) or
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((z2 and z2 ~= "default:water_source" and z2 ~= "snow:ice" and z2 ~= "air" and z2 ~= "ignore") or ((cool or icebergs) and z2 == "snow:ice" and rand)) or
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(y ~= "default:water_source" and y ~= "snow:ice" and y ~= "air") or (pr:next(1,6) == 1 and icebergs) then
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env:add_node({x=x,y=ground_y,z=z}, {name="snow:ice"})
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end
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else
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--Icesheets, Broken icesheet, Icecaves
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if (icehole and pr:next(1,10) > 1) or icecave or icesheet then
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env:add_node({x=x,y=ground_y,z=z}, {name="snow:ice"})
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end
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if icecave then
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--Gets rid of water underneath ice
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for y=ground_y-1,-60,-1 do
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if env:get_node({x=x,y=y,z=z}) and env:get_node({x=x,y=y,z=z}).name ~= "default:water_source" then
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break
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else
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env:remove_node({x=x,y=y,z=z})
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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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elseif ground_y and node.name == "snow:snow" and node.name ~= "snow:ice" then
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--Abort genaration.
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local name = env:get_node({x=x,y=ground_y-1,z=z}).name
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if name ~= "default:leaves" and name ~= "snow:needles" then
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if debug then
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print(biomeToString(biome)..": snow found ABORTED!")
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end
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return
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--~ elseif ground_y and node.name == "snow:snow" and node.name ~= "snow:ice" then
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--~ --Abort genaration.
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--~ local name = env:get_node({x=x,y=ground_y-1,z=z}).name
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--~ if name ~= "default:leaves" and name ~= "snow:needles" then
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--~ if debug then
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--~ print(biomeToString(biome)..": snow found ABORTED!")
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--~ end
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--~ return
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--~ end
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end
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end
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end
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