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Make function get_data_pos_table builtin 

Attempt to fix https://github.com/Megaf/nether-pack/issues/3
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Megaf 2017-12-20 19:14:53 -02:00 committed by GitHub
parent 8b37ba3a92
commit de1a29d6a5
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1 changed files with 35 additions and 1 deletions
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36
nether/init.lua
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@ -829,8 +829,42 @@ function nether.grow_tree(pos, generated)
local fruits = {}
local trunk_ps = {}
local count = 0
local ps, trmin, trmax, trunk_count = vector.get_data_pos_table(trunks)
local function funcs.get_data_pos_table(tab)
local t,n = {},1
local minz, miny, minx, maxz, maxy, maxx
for z,yxs in pairs(tab) do
if not minz then
minz = z
maxz = z
else
minz = math.min(minz, z)
maxz = math.max(maxz, z)
end
for y,xs in pairs(yxs) do
if not miny then
miny = y
maxy = y
else
miny = math.min(miny, y)
maxy = math.max(maxy, y)
end
for x,v in pairs(xs) do
if not minx then
minx = x
maxx = x
else
minx = math.min(minx, x)
maxx = math.max(maxx, x)
end
t[n] = {z,y,x, v}
n = n+1
end
end
end
return t, {x=minx, y=miny, z=minz}, {x=maxx, y=maxy, z=maxz}, n-1
end
update_minmax(min, max, trmin)
update_minmax(min, max, trmax)