minetest-mm/mods/Minetest-WorldEdit/worldedit_commands/cuboid.lua
2020-10-26 17:38:53 +01:00

266 lines
7.8 KiB
Lua

worldedit.register_command("outset", {
params = "[h/v] <amount>",
description = "Outset the selected region.",
privs = {worldedit=true},
require_pos = 2,
parse = function(param)
local find, _, dir, amount = param:find("(%a*)%s*([+-]?%d+)")
if find == nil then
return false
end
local hv_test = dir:find("[^hv]+")
if hv_test ~= nil then
return false, "Invalid direction."
end
return true, dir, tonumber(amount)
end,
func = function(name, dir, amount)
if dir == "" or dir == "hv" or dir == "vh" then
assert(worldedit.cuboid_volumetric_expand(name, amount))
elseif dir == "h" then
assert(worldedit.cuboid_linear_expand(name, 'x', 1, amount))
assert(worldedit.cuboid_linear_expand(name, 'x', -1, amount))
assert(worldedit.cuboid_linear_expand(name, 'z', 1, amount))
assert(worldedit.cuboid_linear_expand(name, 'z', -1, amount))
elseif dir == "v" then
assert(worldedit.cuboid_linear_expand(name, 'y', 1, amount))
assert(worldedit.cuboid_linear_expand(name, 'y', -1, amount))
else
return false, "Invalid number of arguments"
end
worldedit.marker_update(name)
return true, "Region outset by " .. amount .. " blocks"
end,
})
worldedit.register_command("inset", {
params = "[h/v] <amount>",
description = "Inset the selected region.",
privs = {worldedit=true},
require_pos = 2,
parse = function(param)
local find, _, dir, amount = param:find("(%a*)%s*([+-]?%d+)")
if find == nil then
return false
end
if dir:find("[^hv]") ~= nil then
return false, "Invalid direction."
end
return true, dir, tonumber(amount)
end,
func = function(name, dir, amount)
if dir == "" or dir == "vh" or dir == "hv" then
assert(worldedit.cuboid_volumetric_expand(name, -amount))
elseif dir == "h" then
assert(worldedit.cuboid_linear_expand(name, 'x', 1, -amount))
assert(worldedit.cuboid_linear_expand(name, 'x', -1, -amount))
assert(worldedit.cuboid_linear_expand(name, 'z', 1, -amount))
assert(worldedit.cuboid_linear_expand(name, 'z', -1, -amount))
elseif dir == "v" then
assert(worldedit.cuboid_linear_expand(name, 'y', 1, -amount))
assert(worldedit.cuboid_linear_expand(name, 'y', -1, -amount))
else
return false, "Invalid number of arguments"
end
worldedit.marker_update(name)
return true, "Region inset by " .. amount .. " blocks"
end,
})
worldedit.register_command("shift", {
params = "x/y/z/?/up/down/left/right/front/back [+/-]<amount>",
description = "Shifts the selection area without moving its contents",
privs = {worldedit=true},
require_pos = 2,
parse = function(param)
local find, _, direction, amount = param:find("([%?%l]+)%s*([+-]?%d+)")
if find == nil then
return false
end
return true, direction, tonumber(amount)
end,
func = function(name, direction, amount)
local axis, dir
if direction == "x" or direction == "y" or direction == "z" then
axis, dir = direction, 1
elseif direction == "?" then
axis, dir = worldedit.player_axis(name)
else
axis, dir = worldedit.translate_direction(name, direction)
end
if axis == nil or dir == nil then
return false, "Invalid if looking straight up or down"
end
assert(worldedit.cuboid_shift(name, axis, amount * dir))
worldedit.marker_update(name)
return true, "Region shifted by " .. amount .. " nodes"
end,
})
worldedit.register_command("expand", {
params = "[+/-]x/y/z/?/up/down/left/right/front/back <amount> [reverse amount]",
description = "Expands the selection in the selected absolute or relative axis",
privs = {worldedit=true},
require_pos = 2,
parse = function(param)
local find, _, sign, direction, amount,
rev_amount = param:find("([+-]?)([%?%l]+)%s*(%d+)%s*(%d*)")
if find == nil then
return false
end
if rev_amount == "" then
rev_amount = "0"
end
return true, sign, direction, tonumber(amount), tonumber(rev_amount)
end,
func = function(name, sign, direction, amount, rev_amount)
local absolute = direction:find("[xyz?]")
local dir, axis
if absolute == nil then
axis, dir = worldedit.translate_direction(name, direction)
if axis == nil or dir == nil then
return false, "Invalid if looking straight up or down"
end
else
if direction == "?" then
axis, dir = worldedit.player_axis(name)
else
axis = direction
dir = 1
end
end
if sign == "-" then
dir = -dir
end
worldedit.cuboid_linear_expand(name, axis, dir, amount)
worldedit.cuboid_linear_expand(name, axis, -dir, rev_amount)
worldedit.marker_update(name)
return true, "Region expanded by " .. (amount + rev_amount) .. " nodes"
end,
})
worldedit.register_command("contract", {
params = "[+/-]x/y/z/?/up/down/left/right/front/back <amount> [reverse amount]",
description = "Contracts the selection in the selected absolute or relative axis",
privs = {worldedit=true},
require_pos = 2,
parse = function(param)
local find, _, sign, direction, amount,
rev_amount = param:find("([+-]?)([%?%l]+)%s*(%d+)%s*(%d*)")
if find == nil then
return false
end
if rev_amount == "" then
rev_amount = "0"
end
return true, sign, direction, tonumber(amount), tonumber(rev_amount)
end,
func = function(name, sign, direction, amount, rev_amount)
local absolute = direction:find("[xyz?]")
local dir, axis
if absolute == nil then
axis, dir = worldedit.translate_direction(name, direction)
if axis == nil or dir == nil then
return false, "Invalid if looking straight up or down"
end
else
if direction == "?" then
axis, dir = worldedit.player_axis(name)
else
axis = direction
dir = 1
end
end
if sign == "-" then
dir = -dir
end
worldedit.cuboid_linear_expand(name, axis, dir, -amount)
worldedit.cuboid_linear_expand(name, axis, -dir, -rev_amount)
worldedit.marker_update(name)
return true, "Region contracted by " .. (amount + rev_amount) .. " nodes"
end,
})
worldedit.register_command("cubeapply", {
params = "<size>/(<sizex> <sizey> <sizez>) <command> [parameters]",
description = "Select a cube with side length <size> around position 1 and run <command> on region",
privs = {worldedit=true},
require_pos = 1,
parse = function(param)
local found, _, sidex, sidey, sidez, cmd, args =
param:find("^(%d+)%s+(%d+)%s+(%d+)%s+([^%s]+)%s*(.*)$")
if found == nil then
found, _, sidex, cmd, args = param:find("^(%d+)%s+([^%s]+)%s*(.*)$")
if found == nil then
return false
end
sidey = sidex
sidez = sidex
end
sidex = tonumber(sidex)
sidey = tonumber(sidey)
sidez = tonumber(sidez)
if sidex < 1 or sidey < 1 or sidez < 1 then
return false
end
local cmddef = worldedit.registered_commands[cmd]
if cmddef == nil or cmddef.require_pos ~= 2 then
return false, "invalid usage: //" .. cmd .. " cannot be used with cubeapply"
end
-- run parsing of target command
local parsed = {cmddef.parse(args)}
if not table.remove(parsed, 1) then
return false, parsed[1]
end
return true, sidex, sidey, sidez, cmd, parsed
end,
nodes_needed = function(name, sidex, sidey, sidez, cmd, parsed)
-- its not possible to defer to the target command at this point
return sidex * sidey * sidez
end,
func = function(name, sidex, sidey, sidez, cmd, parsed)
local cmddef = assert(worldedit.registered_commands[cmd])
local success, missing_privs = minetest.check_player_privs(name, cmddef.privs)
if not success then
worldedit.player_notify(name, "Missing privileges: " ..
table.concat(missing_privs, ", "))
return
end
-- update region to be the cuboid the user wanted
local half = vector.divide(vector.new(sidex, sidey, sidez), 2)
local sizea, sizeb = vector.apply(half, math.floor), vector.apply(half, math.ceil)
local center = worldedit.pos1[name]
worldedit.pos1[name] = vector.subtract(center, sizea)
worldedit.pos2[name] = vector.add(center, vector.subtract(sizeb, 1))
worldedit.marker_update(name)
-- actually run target command
return cmddef.func(name, unpack(parsed))
end,
})