mtcontrib/minetest-mod-snow
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Add snowy alpine biome (dirt replaced with stone, trees removed)

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Splizard 2012-07-25 21:36:19 +12:00
parent 99461f150b
commit 88460f91da
1 changed files with 29 additions and 11 deletions
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40
mapgen.lua
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@ -26,10 +26,11 @@ if maxp.y >= -10 then
--Choose a biome type.
local pr = PseudoRandom(seed+57)
local biome = pr:next(1, 10)
local biome = pr:next(1, 12)
local icebergs = biome == 2
local icesheet = biome == 3
local cool = biome > 9 --only spawns ice on edge of water
local alpine = biome == 11 or biome == 12 --rocky terrain
local cool = biome == 9 or biome == 10 --only spawns ice on edge of water
local icecave = biome == 5
local icehole = biome == 6 --icesheet with holes
@ -47,6 +48,7 @@ if maxp.y >= -10 then
elseif num == 5 then return "icecave"
elseif num == 9 or num == 10 then return "cool"
elseif num == 6 then return "icehole"
elseif num == 11 or num == 12 then return "alpine"
else return "unknown "..num end
end
@ -107,6 +109,13 @@ if maxp.y >= -10 then
--Reseed random.
pr = PseudoRandom(seed+68)
if alpine then
trees = env:find_nodes_in_area(minp, maxp, {"default:leaves","default:tree"})
for i,v in pairs(trees) do
env:remove_node(v)
end
end
--Loop through chunk.
for j=0,divs do
@ -121,7 +130,7 @@ if maxp.y >= -10 then
-- Find ground level (0...15)
local ground_y = nil
for y=maxp.y,0,-1 do
for y=maxp.y,minp.y+1,-1 do
if env:get_node({x=x,y=y,z=z}).name ~= "air" then
ground_y = y
break
@ -132,22 +141,30 @@ if maxp.y >= -10 then
local node = env:get_node({x=x,y=ground_y,z=z})
if ground_y and node.name == "default:dirt_with_grass" then
if shrubs and pr:next(1,28) == 1 then
local veg
if mossy and pr:next(1,10) == 1 then veg = 1 end
if alpine then
--Gets rid of dirt
env:add_node({x=x,y=ground_y+1,z=z}, {name="snow:snow",param2=veg})
for y=ground_y,-6,-1 do
if env:get_node({x=x,y=y,z=z}) and env:get_node({x=x,y=y,z=z}).name == "default:stone" then
break
else
env:add_node({x=x,y=y,z=z},{name="default:stone"})
end
end
elseif shrubs and pr:next(1,28) == 1 then
--Spawns dry shrubs.
env:add_node({x=x,y=ground_y,z=z}, {name="snow:dirt_with_snow"})
env:add_node({x=x,y=ground_y+1,z=z}, {name="default:dry_shrub"})
elseif mossy and pr:next(1,10) == 1 then
--Spawns moss inside snow.
env:add_node({x=x,y=ground_y,z=z}, {name="snow:dirt_with_snow"})
env:add_node({x=x,y=ground_y+1,z=z}, {name="snow:snow",param2=1})
elseif pines and pr:next(1,36) == 1 then
--Spawns pines.
env:add_node({x=x,y=ground_y,z=z}, {name="snow:dirt_with_snow"})
env:add_node({x=x,y=ground_y,z=z}, {name="default:dirt_with_grass"})
make_pine({x=x,y=ground_y+1,z=z})
else
--Spawns snow.
env:add_node({x=x,y=ground_y,z=z}, {name="snow:dirt_with_snow"})
env:add_node({x=x,y=ground_y+1,z=z}, {name="snow:snow"})
env:add_node({x=x,y=ground_y+1,z=z}, {name="snow:snow",param2=veg})
end
elseif ground_y and node.name == "default:sand" then
--Spawns ice in sand if icy, otherwise spawns snow on top.
@ -200,6 +217,7 @@ if maxp.y >= -10 then
--Abort genaration.
if debug then
print(biomeToString(biome)..": desert found ABORTED!")
end
return
elseif ground_y and node.name == "snow:snow" and node.name ~= "snow:ice" then
--Abort genaration.
@ -214,7 +232,7 @@ if maxp.y >= -10 then
end
end
if debug then
print(biomeToString(biome)..": Snow Biome Genarated")
print(biomeToString(biome)..": Snow Biome Genarated near x"..minp.x.." z"..minp.y)
end
end
end