128 lines
5.3 KiB
Lua
128 lines
5.3 KiB
Lua
local function parse_scale_component(val)
|
|
local result = tonumber(val)
|
|
if result then return true, result end
|
|
if string.find(val, "/") then
|
|
local parts = worldeditadditions.split(val, "/", true)
|
|
local a = tonumber(parts[1])
|
|
local b = tonumber(parts[2])
|
|
if not b then return false, "Invalid number after the forward slash in scale component." end
|
|
if not a then return false, "Invalid number before the forward slash in scale component." end
|
|
return true, a / b
|
|
end
|
|
if string.find(val, "%%") then
|
|
local part = tonumber(string.sub(val, 1, -2))
|
|
if not part then return false, "We thought a scale component was a percentage, but failed to parse percentage as number." end
|
|
return true, part / 100
|
|
end
|
|
return false, "Failed to parse scale component (unrecognised format - we support things like '3', '0.5', '1/10', or '33%' without quotes)."
|
|
end
|
|
|
|
-- ███████ ██████ █████ ██ ███████
|
|
-- ██ ██ ██ ██ ██ ██
|
|
-- ███████ ██ ███████ ██ █████
|
|
-- ██ ██ ██ ██ ██ ██
|
|
-- ███████ ██████ ██ ██ ███████ ███████
|
|
worldeditadditions_core.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_shell(params_text)
|
|
|
|
local scale = vector.new(1, 1, 1)
|
|
local anchor = vector.new(1, 1, 1)
|
|
|
|
if #parts == 2 then
|
|
if not (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 success, factor = parse_scale_component(parts[2])
|
|
if not success then return success, "Error: Invalid scale factor. Details: "..factor end
|
|
|
|
if axis:sub(1, 1) == "-" then
|
|
axis = axis:sub(2, 2)
|
|
anchor[axis] = -1
|
|
end
|
|
|
|
scale[axis] = factor
|
|
elseif #parts >= 3 then
|
|
local success, val = parse_scale_component(parts[1])
|
|
if not success then return false, "Error: x axis scale factor wasn't a number. Details: "..val end
|
|
scale.x = val
|
|
|
|
success, val = parse_scale_component(parts[2])
|
|
if not success then return false, "Error: y axis scale factor wasn't a number. Details: "..val end
|
|
scale.y = val
|
|
|
|
success, val = parse_scale_component(parts[3])
|
|
if not success then return false, "Error: z axis scale factor wasn't a number. Details: "..val end
|
|
scale.z = val
|
|
else
|
|
local success, val = parse_scale_component(parts[1])
|
|
if not success then
|
|
return false, "Error: scale factor wasn't a number. Details: "..val
|
|
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
|
|
anchor.x = val
|
|
val = tonumber(parts[5])
|
|
if not val then return false, "Error: y axis anchor wasn't a number." end
|
|
anchor.y = val
|
|
val = tonumber(parts[6])
|
|
if not val then return false, "Error: z axis anchor wasn't a number." end
|
|
anchor.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 anchor.x == 0 then return false, "Error: x axis anchor was 0" end
|
|
if anchor.y == 0 then return false, "Error: y axis anchor was 0" end
|
|
if anchor.z == 0 then return false, "Error: z axis anchor was 0" end
|
|
|
|
return true, scale, anchor
|
|
end,
|
|
nodes_needed = function(name, scale, anchor)
|
|
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, anchor)
|
|
-- print("initial scale: "..worldeditadditions.vector.tostring(scale)..", anchor: "..worldeditadditions.vector.tostring(anchor))
|
|
|
|
|
|
local start_time = worldeditadditions.get_ms_time()
|
|
|
|
local success, stats = worldeditadditions.scale(
|
|
worldedit.pos1[name],
|
|
worldedit.pos2[name],
|
|
scale, anchor
|
|
)
|
|
if not success then return success, stats end
|
|
|
|
worldedit.pos1[name] = stats.pos1
|
|
worldedit.pos2[name] = stats.pos2
|
|
worldedit.marker_update(name)
|
|
|
|
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.format.human_time(time_taken)
|
|
end
|
|
})
|