Minetest-WorldEditAdditions/worldeditadditions/lib/walls.lua
2020-05-11 22:28:25 +01:00

38 lines
1.4 KiB
Lua

--- Creates vertical walls on the inside of the defined region.
-- @module worldeditadditions.walls
-- ██ ██ █████ ██ ██ ███████
-- ██ ██ ██ ██ ██ ██ ██
-- ██ █ ██ ███████ ██ ██ ███████
-- ██ ███ ██ ██ ██ ██ ██ ██
-- ███ ███ ██ ██ ███████ ███████ ███████
function worldeditadditions.walls(pos1, pos2, node_name)
pos1, pos2 = worldedit.sort_pos(pos1, pos2)
-- pos2 will always have the highest co-ordinates now
-- Fetch the nodes in the specified area
local manip, area = worldedit.manip_helpers.init(pos1, pos2)
local data = manip:get_data()
local node_id = minetest.get_content_id(node_name)
-- z y x is the preferred loop order (because CPU cache I'd guess, since then we're iterating linearly through the data array)
local count_replaced = 0
for z = pos2.z, pos1.z, -1 do
for y = pos2.y, pos1.y, -1 do
for x = pos2.x, pos1.x, -1 do
if x == pos1.x or x == pos2.x or z == pos1.z or z == pos2.z then
data[area:index(x, y, z)] = node_id
count_replaced = count_replaced + 1
end
end
end
end
-- Save the modified nodes back to disk & return
worldedit.manip_helpers.finish(manip, data)
return true, count_replaced
end