Minetest-WorldEditAdditions/worldeditadditions_commands/commands/floodfill.lua
2020-05-03 00:37:18 +01:00

65 lines
2.7 KiB
Lua

local we_c = worldeditadditions_commands
-- ███████ ██ ██████ ██████ ██████ ███████ ██ ██ ██
-- ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██
-- █████ ██ ██ ██ ██ ██ ██ ██ █████ ██ ██ ██
-- ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██
-- ██ ███████ ██████ ██████ ██████ ██ ██ ███████ ███████
local function parse_params_floodfill(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)
return replace_node, radius
end
minetest.register_chatcommand("/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 },
func = we_c.safe_region(function(name, params_text)
local replace_node, radius = parse_params_floodfill(params_text)
if not replace_node then
worldedit.player_notify(name, "Error: Invalid node name.")
return false
end
if not worldedit.pos1[name] then
worldedit.player_notify(name, "Error: No pos1 defined.")
return false
end
local start_time = os.clock()
local nodes_replaced = worldedit.floodfill(worldedit.pos1[name], radius, replace_node)
local time_taken = os.clock() - start_time
if nodes_replaced == false then
worldedit.player_notify(name, "Error: The search node is the same as the replace node.")
return false
end
worldedit.player_notify(name, nodes_replaced .. " nodes replaced in " .. time_taken .. "s")
minetest.log("action", name .. " used //floodfill at " .. worldeditadditions.vector.tostring(worldedit.pos1[name]) .. ", replacing " .. nodes_replaced .. " nodes in " .. time_taken .. "s")
end, function(name, params_text)
local replace_node, radius = parse_params_floodfill(params_text)
if not worldedit.pos1[name] then
return 0 -- The actual command will send the error message to the client
end
-- Volume of a hemisphere
return math.ceil(((4 * math.pi * (tonumber(radius) ^ 3)) / 3) / 2)
end)
})