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Lua mapgen optimizations, hopefully prevent OOM

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This commit is contained in:
Wuzzy 2017-05-09 16:30:30 +02:00
parent 09f4536569
commit bcc185f83f
1 changed files with 11 additions and 4 deletions
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15
mods/MAPGEN/mcl_mapgen_core/init.lua
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@ -810,6 +810,11 @@ else
minetest.set_mapgen_setting("mg_flags", "caves,nodungeons,decorations,light", true)
end
-- Perlin noise objects
local perlin
-- Generate clay and structures
-- TODO: Try to use more efficient structure generating code
minetest.register_on_generated(function(minp, maxp, seed)
if maxp.y >= 2 and minp.y <= 0 then
-- Generate clay
@ -850,7 +855,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
end
if maxp.y >= 3 and minp.y <= 64 then
-- Generate desert temples
local perlin1 = minetest.get_perlin(329, 3, 0.6, 100)
perlin = perlin or minetest.get_perlin(329, 3, 0.6, 100)
-- Assume X and Z lengths are equal
local divlen = 5
local divs = (maxp.x-minp.x)/divlen+1;
@ -861,7 +866,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
local x1 = minp.x + math.floor((divx+1)*divlen)
local z1 = minp.z + math.floor((divz+1)*divlen)
-- Determine amount from perlin noise
local amount = math.floor(perlin1:get2d({x=x0, y=z0}) * 9)
local amount = math.floor(perlin:get2d({x=x0, y=z0}) * 9)
-- Find random positions based on this random
local pr = PseudoRandom(seed+1)
for i=0, amount do
@ -903,11 +908,13 @@ end)
local BEDROCK_MIN = mcl_vars.mg_bedrock_overworld_min
local BEDROCK_MAX = mcl_vars.mg_bedrock_overworld_max
-- Below the bedrock, generate air/void
-- Buffer for LuaVoxelManip
local lvm_buffer = {}
-- Below the bedrock, generate air/void
minetest.register_on_generated(function(minp, maxp)
local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
local data = vm:get_data()
local data = vm:get_data(lvm_buffer)
local area = VoxelArea:new({MinEdge=emin, MaxEdge=emax})
local lvm_used = false