mtcontrib/minetest-mod-snow
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Fix a couple of errors with first commit.

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This commit is contained in:
Splizard 2012-07-22 20:03:31 +12:00
parent 0a0a6e0fdb
commit 1aa4296680
1 changed files with 13 additions and 12 deletions
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25
mapgen.lua
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@ -2,7 +2,7 @@
minetest.register_on_generated(function(minp, maxp, seed)
if maxp.y >= -10 then
local debug = snow.debug
--Choose a biome type.
local pr = PseudoRandom(seed+57)
local biome = pr:next(1, 10)
@ -11,7 +11,7 @@ if maxp.y >= -10 then
local cool = biome > 9 --only spawns ice on edge of water
local icecave = biome == 5
local icehole = biome == 6 --icesheet with holes
--Misc biome settings.
local icy = pr:next(1, 2) == 2 --If enabled spawns ice in sand instead of snow blocks.
local mossy = pr:next(1,2) == 1 --Spawns moss in snow.
@ -27,22 +27,22 @@ if maxp.y >= -10 then
--Should make things a bit faster.
local env = minetest.env
--Debugging function
local biomeToString = function(num)
if num == 1 or num == 7 or num == 8 then return "normal"
if num == 1 or num == 7 or num == 8 or num == 4 then return "normal"
elseif num == 2 then return "icebergs"
elseif num == 3 then return "icesheet"
elseif num == 5 then return "icecave"
elseif num == 9 or num == 10 then return "cool"
elseif num == 6 then return "icehole"
else return "unknown" end
else return "unknown "..num end
end
--Get map specific perlin
local perlin1 = env:get_perlin(112,3, 0.5, 150)
pr = PseudoRandom(seed+68)
--Speed hack: checks the corners and middle of the chunk for "snow biome".
if not (perlin1:get2d({x=x0, y=z0}) > 0.53) and not (perlin1:get2d({x=x1, y=z1}) > 0.53)
and not (perlin1:get2d({x=x0, y=z1}) > 0.53) and not (perlin1:get2d({x=x1, y=z0}) > 0.53)
@ -50,19 +50,18 @@ if maxp.y >= -10 then
if debug then print(biomeToString(biome)..": ABORTED!") end
return
end
--Loop through chunk.
for j=0,divs do
for i=0,divs do
local x = x0+i
local z = z0+j
local z = z0+j
--Check if we are in a "Snow biome"
local test = perlin1:get2d({x=x, y=z})
if test > 0.53 then
-- Find ground level (0...15)
local ground_y = nil
for y=maxp.y,0,-1 do
@ -74,9 +73,9 @@ if maxp.y >= -10 then
-- Snowy biome stuff
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
if 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"})
@ -97,6 +96,8 @@ if maxp.y >= -10 then
else
env:add_node({x=x,y=ground_y,z=z}, {name="snow:ice"})
end
elseif ground_y and env:get_node({x=x,y=ground_y,z=z}).name == "default:leaves" then
env:add_node({x=x,y=ground_y+1,z=z}, {name="snow:snow"})
elseif ground_y and node.name == "default:water_source" then
if not icesheet and not icecave and not icehole then
--Coastal ice.