Start working on //scale, but it isn't finished yet.

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Starbeamrainbowlabs 2021-02-07 23:39:09 +00:00
parent 03afd7e75c
commit ad9e5a26b1
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GPG Key ID: 1BE5172E637709C2
6 changed files with 299 additions and 0 deletions

@ -30,6 +30,9 @@ dofile(worldeditadditions.modpath.."/lib/replacemix.lua")
dofile(worldeditadditions.modpath.."/lib/maze2d.lua")
dofile(worldeditadditions.modpath.."/lib/maze3d.lua")
dofile(worldeditadditions.modpath.."/lib/hollow.lua")
dofile(worldeditadditions.modpath.."/lib/scale_up.lua")
dofile(worldeditadditions.modpath.."/lib/scale_down.lua")
dofile(worldeditadditions.modpath.."/lib/scale.lua")
dofile(worldeditadditions.modpath.."/lib/conv/conv.lua")
dofile(worldeditadditions.modpath.."/lib/erode/erode.lua")

@ -0,0 +1,44 @@
--- Scales the defined region by the given scale factor in the given directions.
-- Scale factor vectors containing both scale up and scale down operations are
-- split into 2 different scale operations automatically.
-- @param pos1 Vector Position 1 of the defined region,
-- @param pos2 Vector Position 2 of the defined region.
-- @param scale Vector The scale factor - as a vector - by which to scale (values between -1 and 1 are considered a scale down operation).
-- @param direction Vector The direction to scale in - as a vector. e.g. { x = -1, y = 1, z = -1 } would mean scale in the negative x, positive y, and nevative z directions.
-- @return boolean, string|table Whether the operation was successful or not. If not, then an error messagea as a string is also passed. If it was, then a statistics object is returned instead.
function worldeditadditions.scale(pos1, pos2, scale, direction)
if scale.x == 0 or scale.y == 0 or scale.z == 0 then
return false, "A component of the scale factoro was 0."
end
local scale_down = vector.new(1, 1, 1)
local scale_up = vector.new(1, 1, 1)
if scale.x > -1 and scale.x < 1 then scale_down.x = scale.x end
if scale.y > -1 and scale.y < 1 then scale_down.y = scale.y end
if scale.z > -1 and scale.z < 1 then scale_down.z = scale.z end
if scale.x > 1 or scale.x < -1 then scale_up.x = scale.x end
if scale.y > 1 or scale.y < -1 then scale_up.y = scale.y end
if scale.z > 1 or scale.z < -1 then scale_up.z = scale.z end
local stats_total = { updated = 0, operations = 0 }
local success, stats
if scale_up.x ~= 1 or scale_up.y ~= 1 or scale_up.z ~= 1 then
success, stats = worldeditadditions.scale_up(pos1, pos2, scale_up, direction)
if not success then return success, stats end
stats_total.updated = stats.updated
stats_total.operations = stats_total.operations + 1
stats_total.scale_down = stats.scale
end
if scale_down.x ~= 1 or scale_down.y ~= 1 or scale_down.z ~= 1 then
success, stats = worldeditadditions.scale_down(pos1, pos2, scale_down, direction)
if not success then return success, stats end
stats_total.updated = stats_total.updated + stats.updated
stats_total.operations = stats_total.operations + 1
end
return true, stats_total
end

@ -0,0 +1,78 @@
-- ███████ ██████ █████ ██ ███████ ██████ ██████ ██ ██ ███ ██
-- ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ████ ██
-- ███████ ██ ███████ ██ █████ ██ ██ ██ ██ ██ █ ██ ██ ██ ██
-- ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ███ ██ ██ ██ ██
-- ███████ ██████ ██ ██ ███████ ███████ ███████ ██████ ██████ ███ ███ ██ ████
--- Scales the defined region down by the given scale factor in the given directions.
-- @param pos1 Vector Position 1 of the defined region,
-- @param pos2 Vector Position 2 of the defined region.
-- @param scale Vector The scale factor - as a vector - by which to scale down.
-- @param direction Vector The direction to scale in - as a vector. e.g. { x = -1, y = 1, z = -1 } would mean scale in the negative x, positive y, and nevative z directions.
-- @return boolean, string|table Whether the operation was successful or not. If not, then an error messagea as a string is also passed. If it was, then a statistics object is returned instead.
function worldeditadditions.scale_down(pos1, pos2, scale, direction)
pos1, pos2 = worldedit.sort_pos(pos1, pos2)
if scale.x > 1 or scale.y > 1 or scale.z > 1 or scale.x < -1 or scale.y < -1 or scale.z < -1 then
return false, "Error: Scale factor vectors may not mix values -1 < factor < 1 and (1 < factor or factor < -1) - in other words, you can't scale both up and down at the same time (try worldeditadditions.scale, which automatically applies such scale factor vectors as 2 successive operations)"
end
if direction.x == 0 or direction.y == 0 or direction.z == 0 then
return false, "Error: One of the components of the direction vector was 0 (direction components should either be greater than or less than 0 to indicate the direction to scale in.)"
end
local scale_down = {
x = math.floor(1 / scale.x),
y = math.floor(1 / scale.y),
z = math.floor(1 / scale.z)
}
print("[DEBUG] scale_down", worldeditadditions.vector.tostring(scale_down))
local size = vector.subtract(pos2, pos1)
local data = manip:get_data()
local data_copy = worldeditadditions.shallowcopy(data)
local node_id_air = minetest.get_content_id("air")
local count = 0 -- The number of nodes replaced
local stats = { updated = 0, scale = scale_down }
-- Zero out the area we're scaling down into
for i in area:iterp(pos1, pos2) do
data_copy[i] = node_id_air
-- We update the entire area, even though we're scaling down
-- ....because we fill in the area we left behind with air
stats.updated = stats.updated + 1
end
for z = pos2.z, pos1.z, -1 do
for y = pos2.y, pos1.y, -1 do
for x = pos2.x, pos1.x, -1 do
local posi_rel = vector.subtract({ x = x, y = y, z = z }, pos1)
local posi_copy = worldeditadditions.shallowcopy(posi_rel)
posi_copy = vector.floor(vector.divide(scale_down))
if direction.x < 0 then posi_copy.x = size.x - posi_copy.x end
if direction.y < 0 then posi_copy.y = size.y - posi_copy.y end
if direction.z < 0 then posi_copy.z = size.z - posi_copy.z end
local posi_copy = vector.add(pos1, posi_copy)
local i_source = area:index(x, y, z)
local i_target = area:index(posi_copy.x, posi_copy.y, posi_copy.z)
-- Technically we could save some operations here by not setting
-- the target multiple times per copy, but the calculations
-- above are probably a lot more taxing
-- TODO Be more intelligent about deciding what node to replace with here
data_copy[i_target] = data[i_source]
end
end
end
-- Save the modified nodes back to disk & return
worldedit.manip_helpers.finish(manip, data_copy)
return true, changes
end

@ -0,0 +1,75 @@
-- ███████ ██████ █████ ██ ███████ ██ ██ ██████
-- ██ ██ ██ ██ ██ ██ ██ ██ ██ ██
-- ███████ ██ ███████ ██ █████ ██ ██ ██████
-- ██ ██ ██ ██ ██ ██ ██ ██ ██
-- ███████ ██████ ██ ██ ███████ ███████ ███████ ██████ ██
--- Scales the defined region down by the given scale factor in the given directions.
-- @param pos1 Vector Position 1 of the defined region,
-- @param pos2 Vector Position 2 of the defined region.
-- @param scale Vector The scale factor - as a vector - by which to scale down.
-- @param direction Vector The direction to scale in - as a vector. e.g. { x = -1, y = 1, z = -1 } would mean scale in the negative x, positive y, and nevative z directions.
-- @return boolean, string|table Whether the operation was successful or not. If not, then an error messagea as a string is also passed. If it was, then a statistics object is returned instead.
function worldeditadditions.scale_up(pos1, pos2, scale, direction)
return false, "Error: Scaling up isn't implemented yet."
-- pos1, pos2 = worldedit.sort_pos(pos1, pos2)
-- if scale.x > 1 or scale.y > 1 or scale.z > 1 or scale.x < -1 or scale.y < -1 or scale.z < -1 then
-- return false, "Error: Scale factor vectors may not mix values -1 < factor < 1 and (1 < factor or factor < -1) - in other words, you can't scale both up and down at the same time (try worldeditadditions.scale, which automatically applies such scale factor vectors as 2 successive operations)"
-- end
-- if direction.x == 0 or direction.y == 0 or direction.z == 0 then
-- return false, "Error: One of the components of the direction vector was 0 (direction components should either be greater than or less than 0 to indicate the direction to scale in.)"
-- end
--
-- local scale_down = {
-- x = math.floor(1 / scale.x),
-- y = math.floor(1 / scale.y),
-- z = math.floor(1 / scale.z)
-- }
-- local size = vector.subtract(pos2, pos1)
--
-- local data = manip:get_data()
-- local data_copy = worldeditadditions.shallowcopy(data)
--
-- local node_id_air = minetest.get_content_id("air")
--
--
-- local count = 0 -- The number of nodes replaced
--
-- -- Zero out the area we're scaling down into
-- for i in area:iterp(pos1, pos2) do
-- data_copy[i] = node_id_air
-- end
--
-- local changes = { replaced = 0 }
-- for z = pos2.z, pos1.z, -1 do
-- for y = pos2.y, pos1.y, -1 do
-- for x = pos2.x, pos1.x, -1 do
-- local posi_rel = vector.subtract({ x = x, y = y, z = z }, pos1)
--
-- local posi_copy = worldeditadditions.shallowcopy(posi_rel)
-- posi_copy = vector.floor(vector.divide(scale_down))
--
-- if direction.x < 0 then posi_copy.x = size.x - posi_copy.x end
-- if direction.y < 0 then posi_copy.y = size.y - posi_copy.y end
-- if direction.z < 0 then posi_copy.z = size.z - posi_copy.z end
--
-- local posi_copy = vector.add(pos1, posi_copy)
--
-- local i_source = area:index(x, y, z)
-- local i_target = area:index(posi_copy.x, posi_copy.y, posi_copy.z)
--
-- -- Technically we could save some operations here by not setting
-- -- the target multiple times per copy, but the calculations
-- -- above are probably a lot more taxing
-- -- TODO Be more intelligent about deciding what node to replace with here
-- data_copy[i_target] = data[i_source]
-- end
-- end
-- end
--
--
-- -- Save the modified nodes back to disk & return
-- worldedit.manip_helpers.finish(manip, data_copy)
--
-- return true, changes
end

@ -0,0 +1,98 @@
-- ███████ ██████ █████ ██ ███████
-- ██ ██ ██ ██ ██ ██
-- ███████ ██ ███████ ██ █████
-- ██ ██ ██ ██ ██ ██
-- ███████ ██████ ██ ██ ███████ ███████
worldedit.register_command("scale", {
params = "<axis> <scale_factor> | <factor_x> [<factor_y> <factor_z> [<anchor_x> <anchor_y> <anchor_z>]]",
description = "Combined scale up / down. Takes either an axis name + a scale factor (e.g. y 3 or -z 2; negative values swap the anchor point for the scale operation), or 3 scale factor values for x, y, and z respectively. In the latter mode, a set of anchors can also be specified, which indicate which size the scale operation should be anchored to.",
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 scale = vector.new(1, 1, 1)
local direction = vector.new(1, 1, 1)
if #parts == 2 then
if parts[1] ~= "x" or parts[1] ~= "y" or parts[1] ~= "z"
or parts[1] ~= "-x" or parts[1] ~= "-y" or parts[1] ~= "-z" then
return false, "Error: Got 2 arguments, but the first doesn't look like the name of an axis."
end
local axis = parts[1]
local factor = tonumber(parts[2])
if not factor then return false, "Error: Invalid scale factor." end
if axis:sub(1, 1) == "-" then
axis = axis:sub(2, 2)
direction[axis] = -1
end
scale[axis] = factor
elseif #parts >= 3 then
local val = tonumber(parts[1])
if not val then return false, "Error: x axis scale factor wasn't a number." end
scale.x = val
val = tonumber(parts[2])
if not val then return false, "Error: y axis scale factor wasn't a number." end
scale.y = val
val = tonumber(parts[3])
if not val then return false, "Error: z axis scale factor wasn't a number." end
scale.z = val
else
local val = tonumber(parts[1])
if not val then
return false, "Error: scale factor wasn't a number."
end
scale.x = val
scale.y = val
scale.z = val
end
if #parts == 6 then
local val = tonumber(parts[4])
if not val then return false, "Error: x axis anchor wasn't a number." end
direction.x = val
val = tonumber(parts[5])
if not val then return false, "Error: y axis anchor wasn't a number." end
direction.y = val
val = tonumber(parts[6])
if not val then return false, "Error: z axis anchor wasn't a number." end
direction.z = val
end
if scale.x == 0 then return false, "Error: x scale factor was 0" end
if scale.y == 0 then return false, "Error: y scale factor was 0" end
if scale.z == 0 then return false, "Error: z scale factor was 0" end
if direction.x == 0 then return false, "Error: x axis anchor was 0" end
if direction.y == 0 then return false, "Error: y axis anchor was 0" end
if direction.z == 0 then return false, "Error: z axis anchor was 0" end
return true, scale, direction
end,
nodes_needed = function(name, scale, direction)
local volume = worldedit.volume(worldedit.pos1[name], worldedit.pos2[name])
local factor = math.ceil(math.abs(scale.x))
* math.ceil(math.abs(scale.y))
* math.ceil(math.abs(scale.z))
return volume * factor
end,
func = function(name, scale, direction)
local start_time = worldeditadditions.get_ms_time()
local success, stats = worldeditadditions.scale(pos1, pos2, scale, direction)
if not success then return success, stats end
-- TODO read stats here
local time_taken = worldeditadditions.get_ms_time() - start_time
minetest.log("action", name.." used //scale at "..worldeditadditions.vector.tostring(worldedit.pos1[name]).." - "..worldeditadditions.vector.tostring(worldedit.pos2[name])..", updating "..stats.updated.." nodes in "..time_taken.."s")
return true, stats.updated.." nodes updated in " .. worldeditadditions.human_time(time_taken)
end
})

@ -32,6 +32,7 @@ dofile(we_c.modpath.."/commands/replacemix.lua")
dofile(we_c.modpath.."/commands/convolve.lua")
dofile(we_c.modpath.."/commands/erode.lua")
dofile(we_c.modpath.."/commands/hollow.lua")
dofile(we_c.modpath.."/commands/scale.lua")
dofile(we_c.modpath.."/commands/count.lua")
dofile(we_c.modpath.."/commands/saplingaliases.lua")