nalc/meru
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Corrected hardcoded chunksizes in meru and do not force meru mountain to spawn on chunk boundaries (it was dependant on chunksize = 5) Tested with chunksize = 3

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This commit is contained in:
Gael-de-Sailly 2016-03-05 12:10:26 +01:00
parent 0a1961a393
commit d54e399514
1 changed files with 30 additions and 24 deletions
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54
init.lua
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@ -55,14 +55,18 @@ local np_biome = {
-- Stuff -- Stuff
local cxmin = math.floor((XMIN + 32) / 80) -- limits in chunk co-ordinates local xmid = (XMIN + XMAX) / 2
local czmin = math.floor((ZMIN + 32) / 80) local zmid = (ZMIN + ZMAX) / 2
local cxmax = math.floor((XMAX + 32) / 80) local xrad = xmid - XMIN
local czmax = math.floor((ZMAX + 32) / 80) local zrad = zmid - ZMIN
local cxav = (cxmin + cxmax) / 2 -- spawn area midpoint in chunk co-ordinates
local czav = (czmin + czmax) / 2 local merux -- The position of the mountain is calculated on first mapgen
local xnom = (cxmax - cxmin) / 4 -- noise multipliers local meruz
local znom = (czmax - czmin) / 4
local merux_min
local merux_max
local meruz_min
local meruz_max
-- Nodes -- Nodes
@ -93,24 +97,26 @@ local nobj_biome = nil
-- On generated function -- On generated function
minetest.register_on_generated(function(minp, maxp, seed) minetest.register_on_generated(function(minp, maxp, seed)
if maxp.x < XMIN or minp.x > XMAX if not merux and not meruz then -- on first mapgen
or maxp.z < ZMIN or minp.z > ZMAX then local persist = math.sqrt(1.25) - 0.5 -- golden ratio - 1, solves the equation x²+x+1 = 2
return
local locnoise = minetest.get_perlin(5839090, 3, persist, 1)
local noisex = locnoise:get2d({x = 31, y = 23}) / 2
local noisez = locnoise:get2d({x = 17, y = 11}) / 2
merux = math.floor(xmid + noisex * xrad + 0.5)
meruz = math.floor(zmid + noisez * zrad + 0.5)
merux_min = merux - BASRAD
merux_max = merux + BASRAD
meruz_min = meruz - BASRAD
meruz_max = meruz + BASRAD
if COORD then
print ("[meru] at x " .. merux .. " z " .. meruz)
end
end end
local locnoise = minetest.get_perlin(5839090, 2, 0.5, 3) if minp.x > merux_max or maxp.x < merux_min or minp.z > meruz_max or maxp.z < meruz_min then
local noisex = locnoise:get2d({x = 31, y = 23})
local noisez = locnoise:get2d({x = 17, y = 11})
local cx = cxav + math.floor(noisex * xnom) -- chunk co ordinates
local cz = czav + math.floor(noisez * znom)
local merux = 80 * cx + 8
local meruz = 80 * cz + 8
if COORD then
print ("[meru] at x " .. merux .. " z " .. meruz)
end
if minp.x < merux - 120 or minp.x > merux + 40
or minp.z < meruz - 120 or minp.z > meruz + 40
or minp.y < -32 or minp.y > HEIGHT * 1.2 then
return return
end end