Add //convolve command

....but it's all untested of course :P
This commit is contained in:
Starbeamrainbowlabs 2020-06-09 21:11:34 +01:00
parent e5d847f7e6
commit 868052f945
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GPG Key ID: 1BE5172E637709C2
3 changed files with 79 additions and 2 deletions

@ -12,7 +12,7 @@ dofile(worldeditadditions.modpath.."/lib/conv/convolve.lua")
-- @param width number The width of the kernel to create (must be an odd integer). -- @param width number The width of the kernel to create (must be an odd integer).
-- @param height number The height of the kernel to create (must be an odd integer). -- @param height number The height of the kernel to create (must be an odd integer).
-- @param arg number The argument to pass when creating the kernel. Currently only used by gaussian kernel as the sigma value. -- @param arg number The argument to pass when creating the kernel. Currently only used by gaussian kernel as the sigma value.
function worldeditadditions.get_kernel(name, width, height, arg) function worldeditadditions.get_conv_kernel(name, width, height, arg)
if width % 2 ~= 1 then if width % 2 ~= 1 then
return false, "Error: The width must be an odd integer."; return false, "Error: The width must be an odd integer.";
end end
@ -33,6 +33,8 @@ function worldeditadditions.get_kernel(name, width, height, arg)
local success, result = worldeditadditions.conv.kernel_gaussian(width, arg) local success, result = worldeditadditions.conv.kernel_gaussian(width, arg)
return success, result return success, result
end end
return false, "Error: Unknown kernel. Valid values: box, pascal, gaussian"
end end

@ -0,0 +1,74 @@
-- ██████ ██████ ███ ██ ██ ██ ██████ ██ ██ ██ ███████
-- ██ ██ ██ ████ ██ ██ ██ ██ ██ ██ ██ ██ ██
-- ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ █████
-- ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██
-- ██████ ██████ ██ ████ ████ ██████ ███████ ████ ███████
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.",
privs = { worldedit = true },
require_pos = 2,
parse = function(params_text)
if not params_text or params_text == "" then
return false, "Error: No arguments specified"
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 then
kernel_name = parts[1]
end
if #parts >= 2 then
local parts_dimension = worldeditadditions.split(parts[2], ",%s*", false)
width = tonumber(parts[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[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(kernel_name, kernel_width, kernel_height, sigma)
local start_time = os.clock()
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"
end
})

@ -24,6 +24,7 @@ dofile(we_c.modpath.."/commands/torus.lua")
dofile(we_c.modpath.."/commands/walls.lua") dofile(we_c.modpath.."/commands/walls.lua")
dofile(we_c.modpath.."/commands/maze.lua") dofile(we_c.modpath.."/commands/maze.lua")
dofile(we_c.modpath.."/commands/replacemix.lua") dofile(we_c.modpath.."/commands/replacemix.lua")
dofile(we_c.modpath.."/commands/convolve.lua")
dofile(we_c.modpath.."/commands/count.lua") dofile(we_c.modpath.."/commands/count.lua")
@ -31,5 +32,5 @@ dofile(we_c.modpath.."/commands/count.lua")
if minetest.get_modpath("bonemeal") then if minetest.get_modpath("bonemeal") then
dofile(we_c.modpath.."/commands/bonemeal.lua") dofile(we_c.modpath.."/commands/bonemeal.lua")
else else
minetest.log("action", "[WorldEditAdditions] bonemeal mod not detected: //bonemeal command not registered") minetest.log("action", "[WorldEditAdditions] bonemeal mod not detected: //bonemeal command not registered (if you see this message and you're using an alternative mod that provides bonemeal, please get in touch by opening an issue)")
end end