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[cavestuff] Optimize math.* call functions

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Sys Quatre
2020-07-23 22:14:52 +02:00
parent c2681261e0
commit f661500cb3
2 changed files with 15 additions and 10 deletions
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17
cavestuff/mapgen.lua
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@ -1,5 +1,8 @@
--Map Generation Stuff
local random = math.random
local floor = math.floor
minetest.register_on_generated(function(minp, maxp, seed)
if maxp.y >= 2 and minp.y <= 0 then
-- Generate pebbles
@ -9,12 +12,12 @@ minetest.register_on_generated(function(minp, maxp, seed)
local divs = (maxp.x-minp.x)/divlen+1;
for divx=0,divs-1 do
for divz=0,divs-1 do
local x0 = minp.x + math.floor((divx+0)*divlen)
local z0 = minp.z + math.floor((divz+0)*divlen)
local x1 = minp.x + math.floor((divx+1)*divlen)
local z1 = minp.z + math.floor((divz+1)*divlen)
local x0 = minp.x + floor((divx+0)*divlen)
local z0 = minp.z + floor((divz+0)*divlen)
local x1 = minp.x + floor((divx+1)*divlen)
local z1 = minp.z + floor((divz+1)*divlen)
-- Determine pebble amount from perlin noise
local pebble_amount = math.floor(perlin1:get2d({x=x0, y=z0}) ^ 2 * 2)
local pebble_amount = floor(perlin1:get2d({x=x0, y=z0}) ^ 2 * 2)
-- Find random positions for pebbles based on this random
local pr = PseudoRandom(seed+1)
for i=0,pebble_amount do
@ -38,9 +41,9 @@ minetest.register_on_generated(function(minp, maxp, seed)
nn = minetest.get_node({x=x,y=ground_y,z=z}).name
-- If desert sand, add dry shrub
if nn == "default:dirt_with_grass" then
minetest.swap_node(p,{name="cavestuff:pebble_"..pr:next(1,2), param2=math.random(0,3)})
minetest.swap_node(p,{name="cavestuff:pebble_"..pr:next(1,2), param2=random(0,3)})
elseif nn == "default:desert_sand" then
minetest.swap_node(p,{name="cavestuff:desert_pebble_"..pr:next(1,2), param2=math.random(0,3)})
minetest.swap_node(p,{name="cavestuff:desert_pebble_"..pr:next(1,2), param2=random(0,3)})
end
end
end