Minetest-WorldEditAdditions/worldeditadditions_commands/commands/hollow.lua

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worldeditadditions_core.register_command("hollow", {
params = "[<wall_thickness>]",
description = "Replaces nodes inside the defined region with air, but leaving a given number of nodes near the outermost edges alone. In other words, it makes the defined region hollow leaving walls of a given thickness (default: 1)",
privs = { worldedit = true },
require_pos = 2,
parse = function(params_text)
if not params_text or #params_text == 0 then params_text = "1" end
local wall_thickness = tonumber(params_text)
if not wall_thickness then
return false, "Error: Unrecognised number '"..params_text.."'."
end
2021-01-31 19:59:38 +00:00
return true, wall_thickness
end,
nodes_needed = function(name, wall_thickness)
-- //overlay only modifies up to 1 node per column in the selected region
local pos1, pos2 = worldedit.sort_pos(worldedit.pos1[name], worldedit.pos2[name])
return worldedit.volume(
{
x = pos2.x - wall_thickness,
y = pos2.y - wall_thickness,
z = pos2.z - wall_thickness
},
{
x = pos2.x + wall_thickness,
y = pos2.y + wall_thickness,
z = pos2.z + wall_thickness
}
)
end,
func = function(name, wall_thickness)
local start_time = worldeditadditions.get_ms_time()
local success, changes = worldeditadditions.hollow(worldedit.pos1[name], worldedit.pos2[name], wall_thickness)
local time_taken = worldeditadditions.get_ms_time() - start_time
if not success then return success, changes end
minetest.log("action", name .. " used //hollow at " .. worldeditadditions.vector.tostring(worldedit.pos1[name]) .. ", replacing " .. changes.replaced .. " nodes in " .. time_taken .. "s")
return true, changes.replaced .. " nodes replaced in " .. worldeditadditions.format.human_time(time_taken)
end
})