mirror of
https://github.com/sbrl/Minetest-WorldEditAdditions.git
synced 2024-11-05 06:53:52 +01:00
b8a5bec987
This should avoid any crashes on startup because worldedit.alias_command is nil too (strange!)
75 lines
3.5 KiB
Lua
75 lines
3.5 KiB
Lua
-- ██████ ██████ ███ ██ ██ ██ ██████ ██ ██ ██ ███████
|
|
-- ██ ██ ██ ████ ██ ██ ██ ██ ██ ██ ██ ██ ██
|
|
-- ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ █████
|
|
-- ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██
|
|
-- ██████ ██████ ██ ████ ████ ██████ ███████ ████ ███████
|
|
worldedit.register_command("convolve", {
|
|
params = "<kernel> [<width>[,<height>]] [<sigma>]",
|
|
description = "Advanced version of //smooth from we_env. Convolves over the defined region with the given kernel. Possible kernels: box, pascal, gaussian. The width & height (if specified) must be odd integers. If the height is not specified, it defaults to the width. gaussian should give the smoothest result, but the width & height must be identical. The sigma value is only applicable to gaussian kernels, and can be thought of as the 'smoothness' to apply.",
|
|
privs = { worldedit = true },
|
|
require_pos = 2,
|
|
parse = function(params_text)
|
|
if not params_text then params_text = "" end
|
|
|
|
local parts = worldeditadditions.split(params_text, "%s+", false)
|
|
|
|
local kernel_name = "gaussian"
|
|
local width = 5
|
|
local height = 5
|
|
local sigma = nil
|
|
|
|
if #parts >= 1 and #parts[1] > 0 then
|
|
kernel_name = parts[1]
|
|
end
|
|
if #parts >= 2 then
|
|
local parts_dimension = worldeditadditions.split(parts[2], ",%s*", false)
|
|
print("[convolve] [str]width", parts_dimension[1], "[str]height", parts_dimension[2])
|
|
width = tonumber(parts_dimension[1])
|
|
if not width then
|
|
return false, "Error: Invalid width (it must be a positive odd integer)."
|
|
end
|
|
if #parts_dimension >= 2 then
|
|
height = tonumber(parts_dimension[2])
|
|
if not height then
|
|
return false, "Error: Invalid height (it must be a positive odd integer)."
|
|
end
|
|
else
|
|
height = width
|
|
end
|
|
end
|
|
if #parts >= 3 then
|
|
sigma = tonumber(parts[3])
|
|
if not sigma then
|
|
return false, "Error: Invalid sigma value (it must be a valid number - floating point numbers are allowed)"
|
|
end
|
|
end
|
|
|
|
return true, kernel_name, math.floor(width), math.floor(height), sigma
|
|
end,
|
|
nodes_needed = function(name)
|
|
return worldedit.volume(worldedit.pos1[name], worldedit.pos2[name])
|
|
end,
|
|
func = function(name, kernel_name, kernel_width, kernel_height, sigma)
|
|
local start_time = os.clock()
|
|
|
|
print("[exec] kernel_width", kernel_width, "kernel_height", kernel_height)
|
|
local success, kernel = worldeditadditions.get_conv_kernel(kernel_name, kernel_width, kernel_height, sigma)
|
|
if not success then return success, kernel end
|
|
|
|
local kernel_size = {}
|
|
kernel_size[0] = kernel_height
|
|
kernel_size[1] = kernel_width
|
|
|
|
local success, stats = worldeditadditions.convolve(
|
|
worldedit.pos1[name], worldedit.pos2[name],
|
|
kernel, kernel_size
|
|
)
|
|
|
|
local time_taken = os.clock() - start_time
|
|
|
|
|
|
minetest.log("action", name.." used //convolve at "..worldeditadditions.vector.tostring(worldedit.pos1[name]).." - "..worldeditadditions.vector.tostring(worldedit.pos2[name])..", adding "..stats.added.." nodes and removing "..stats.removed.." nodes in "..time_taken.."s")
|
|
return true, "Added "..stats.added.." and removed "..stats.removed.." nodes in " .. time_taken .. "s"
|
|
end
|
|
})
|