49 lines
1.9 KiB
Lua
49 lines
1.9 KiB
Lua
local wea_c = worldeditadditions_core
|
|
local Vector3 = wea_c.Vector3
|
|
|
|
-- ██ ██ ██████ ██ ██ ██████ ██ ██
|
|
-- ██ ██ ██ ██ ██ ██ ██ ██ ██ ██
|
|
-- ███████ ██ ██ ██ ██ ██ ██ ██ █ ██
|
|
-- ██ ██ ██ ██ ██ ██ ██ ██ ██ ███ ██
|
|
-- ██ ██ ██████ ███████ ███████ ██████ ███ ███
|
|
--- Hollows out the defined region, leaving a given number of nodes on the
|
|
-- outside.
|
|
-- (think of the bits of the outermost parts of the defined region as the
|
|
-- 'walls' to a box)
|
|
function worldeditadditions.hollow(pos1, pos2, wall_thickness)
|
|
pos1, pos2 = Vector3.sort(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_ignore = minetest.get_content_id("ignore")
|
|
local node_id_air = minetest.get_content_id("air")
|
|
|
|
-- minetest.log("action", "pos1: " ..pos1)
|
|
-- minetest.log("action", "pos2: " .. pos2)
|
|
|
|
local changes = { replaced = 0 }
|
|
for z = pos2.z - wall_thickness, pos1.z + wall_thickness, -1 do
|
|
for y = pos2.y - wall_thickness, pos1.y + wall_thickness, -1 do
|
|
for x = pos2.x - wall_thickness, pos1.x + wall_thickness, -1 do
|
|
local i = area:index(x, y, z)
|
|
|
|
local is_air = wea_c.is_airlike(data[i])
|
|
local is_ignore = data[i] == node_id_ignore
|
|
|
|
if not is_ignore and not is_air then
|
|
data[i] = node_id_air
|
|
changes.replaced = changes.replaced + 1
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
-- Save the modified nodes back to disk & return
|
|
worldedit.manip_helpers.finish(manip, data)
|
|
|
|
return true, changes
|
|
end
|