Minetest-WorldEditAdditions/worldeditadditions_commands/commands/floodfill.lua

49 lines
2.3 KiB
Lua

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worldedit.register_command("floodfill", {
params = "[<replace_node> [<radius>]]",
description = "Floods all connected nodes of the same type starting at pos1 with <replace_node> (which defaults to `water_source`), in a sphere with a radius of <radius> (which defaults to 20).",
privs = { worldedit = true },
require_pos = 1,
parse = function(params_text)
if not params_text then params_text = "" end
local found, _, replace_node, radius = params_text:find("([a-z:_\\-]+)%s+([0-9]+)")
if found == nil then
found, _, replace_node = params_text:find("([a-z:_\\-]+)")
radius = 20
end
if found == nil then
replace_node = "default:water_source"
end
radius = tonumber(radius)
replace_node = worldedit.normalize_nodename(replace_node)
if not replace_node then
worldedit.player_notify(name, "Error: Invalid node name.")
return false
end
return true, replace_node, radius
end,
nodes_needed = function(name, replace_node, radius)
-- Volume of a hemisphere
return math.ceil(((4 * math.pi * (tonumber(radius) ^ 3)) / 3) / 2)
end,
func = function(name, replace_node, radius)
local start_time = os.clock()
local nodes_replaced = worldeditadditions.floodfill(worldedit.pos1[name], radius, replace_node)
local time_taken = os.clock() - start_time
if nodes_replaced == false then
return false, "Error: The search node is the same as the replace node."
end
minetest.log("action", name .. " used //floodfill at " .. worldeditadditions.vector.tostring(worldedit.pos1[name]) .. ", replacing " .. nodes_replaced .. " nodes in " .. time_taken .. "s")
return true, nodes_replaced .. " nodes replaced in " .. time_taken .. "s"
end
})