Minetest-WorldEditAdditions/worldeditadditions_commands/commands/spline.lua
2022-09-25 22:55:50 +01:00

93 lines
3.4 KiB
Lua

local wea_c = worldeditadditions_core
local Vector3 = wea_c.Vector3
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worldeditadditions_core.register_command("spline", {
params = "<replace_node> <width_start> [<width_end=width_start> [<steps=3>]]",
description = "Draws a spline through the defined points. NOTE: Uses the NEW worldeditadditions position system, not the existing WorldEdit one!",
privs = { worldedit = true },
require_pos = 3,
parse = function(params_text)
local parts = wea_c.split_shell(params_text)
local replace_node
local width_start
local width_end
local steps = 3
if #parts < 1 then
return false, "Error: The replace_node (e.g. dirt) was not specified."
end
if #parts < 2 then
return false, "Error: The starting width wasn't specified."
end
replace_node = worldedit.normalize_nodename(parts[1])
if not replace_node then
return false, "Error: Unknown node name '"..parts[1].."."
end
width_start = tonumber(parts[2])
if not width_start then
return false, "Error: width_start must be an integer greater than or equal to 0."
end
if width_start < 0 then
return false, "Error: width_start must be an integer greater than 0, but you passed '"..parts[2].."'."
end
if #parts >= 3 then
width_end = tonumber(parts[3])
if not width_end then
return false, "Error: width_end must be an integer greater than or equal to 0."
end
if width_end < 0 then
return false, "Error: width_end must be an integer greater than 0, but you passed '"..parts[3].."'."
end
else
width_end = width_start
end
if #parts >= 4 then
steps = tonumber(parts[4])
if not steps then
return false, "Error: steps must be an integer greater than or equal to 0."
end
if steps < 0 then
return false, "Error: steps must be an integer greater than or equal to 0, but you passed '"..parts[3].."'."
end
end
return true, replace_node, width_start, width_end, steps
end,
nodes_needed = function(player_name, _replace_node, _width_start, _width_end, steps)
if steps > 10 then return "may result in a large number of interpolated points" end
-- //overlay only modifies up to 1 node per column in the selected region
local pos1, pos2 = wea_c.pos.get_bounds(player_name)
return Vector3.volume(pos1, pos2)
end,
func = function(player_name, replace_node, width_start, width_end, steps)
local start_time = wea_c.get_ms_time()
local pos_list = wea_c.pos.get_all(player_name)
local success, nodes_replaced = worldeditadditions.spline(
pos_list,
width_start,
width_end,
steps,
replace_node
)
if not success then return success, nodes_replaced end
local time_taken = wea_c.format.human_time(wea_c.get_ms_time() - start_time)
minetest.log("action", player_name.." used //spline with "..#pos_list.." initial points and "..steps.." steps, replacing "..nodes_replaced.." nodes in "..time_taken)
return true, nodes_replaced.." nodes replaced in "..time_taken
end
})