Minetest-WorldEdit/worldedit/cuboid.lua

244 lines
5.2 KiB
Lua

-- Expands or contracts the cuboid in all axes by amount (positive or negative)
worldedit.cuboid_volumetric_expand = function(name, amount)
local pos1 = worldedit.pos1[name]
local pos2 = worldedit.pos2[name]
if pos1 == nil or pos2 == nil then
return false, "Undefined cuboid"
end
local delta1 = vector.new()
local delta2 = vector.new()
local delta_dir1
local delta_dir2
delta1 = vector.add(delta1, amount)
delta2 = vector.add(delta2, amount)
delta_dir1, delta_dir2 = worldedit.get_expansion_directions(pos1, pos2)
delta1 = vector.multiply(delta1, delta_dir1)
delta2 = vector.multiply(delta2, delta_dir2)
worldedit.pos1[name] = vector.add(pos1, delta1)
worldedit.pos2[name] = vector.add(pos2, delta2)
return true
end
-- Expands or contracts the cuboid in a single axis by amount (positive or negative)
worldedit.cuboid_linear_expand = function(name, axis, direction, amount)
local pos1 = worldedit.pos1[name]
local pos2 = worldedit.pos2[name]
if pos1 == nil or pos2 == nil then
return false, "undefined cuboid"
end
if direction ~= 1 and direction ~= -1 then
return false, "invalid marker"
end
local marker = worldedit.marker_get_closest_to_axis(name, axis, direction)
local deltavect = vector.new()
if axis == 'x' then
deltavect.x = amount * direction
elseif axis == 'y' then
deltavect.y = amount * direction
elseif axis == 'z' then
deltavect.z = amount * direction
else
return false, "invalid axis"
end
worldedit.marker_move(name, marker, deltavect)
return true
end
-- Shifts the cuboid by '+-amount' in axis 'axis'
worldedit.cuboid_shift = function(name, axis, amount)
local pos1 = worldedit.pos1[name]
local pos2 = worldedit.pos2[name]
if pos1 == nil or pos2 == nil then
return false, "undefined cuboid"
end
if axis == 'x' then
worldedit.pos1[name].x = pos1.x + amount
worldedit.pos2[name].x = pos2.x + amount
elseif axis == 'y' then
worldedit.pos1[name].y = pos1.y + amount
worldedit.pos2[name].y = pos2.y + amount
elseif axis == 'z' then
worldedit.pos1[name].z = pos1.z + amount
worldedit.pos2[name].z = pos2.z + amount
else
return false, "invalid axis"
end
return true
end
-- Moves the location of a single marker by adding deltavector
worldedit.marker_move = function(name, marker, deltavector)
if marker ~= 1 and marker ~= 2 then
return false
end
if marker == 1 then
local pos = worldedit.pos1[name]
worldedit.pos1[name] = vector.add(deltavector, pos)
else
local pos = worldedit.pos2[name]
worldedit.pos2[name] = vector.add(deltavector, pos)
end
return true
end
-- Returns two vectors with the directions for volumetric expansion
worldedit.get_expansion_directions = function(mark1, mark2)
if mark1 == nil or mark2 == nil then
return
end
local dir1 = vector.new()
local dir2 = vector.new()
if mark1.x < mark2.x then
dir1.x = -1
dir2.x = 1
else
dir1.x = 1
dir2.x = -1
end
if mark1.y < mark2.y then
dir1.y = -1
dir2.y = 1
else
dir1.y = 1
dir2.y = -1
end
if mark1.z < mark2.z then
dir1.z = -1
dir2.z = 1
else
dir1.z = 1
dir2.z = -1
end
return dir1, dir2
end
-- Return the marker that is closest to the player
worldedit.marker_get_closest_to_player = function(name)
local playerpos = minetest.get_player_by_name(name):get_pos()
local dist1 = vector.distance(playerpos, worldedit.pos1[name])
local dist2 = vector.distance(playerpos, worldedit.pos2[name])
if dist1 < dist2 then
return 1
else
return 2
end
end
-- Returns the closest marker to the specified axis and direction
worldedit.marker_get_closest_to_axis = function(name, axis, direction)
local pos1 = vector.new()
local pos2 = vector.new()
if direction ~= 1 and direction ~= -1 then
return nil
end
if axis == 'x' then
pos1.x = worldedit.pos1[name].x * direction
pos2.x = worldedit.pos2[name].x * direction
if pos1.x > pos2.x then
return 1
else
return 2
end
elseif axis == 'y' then
pos1.y = worldedit.pos1[name].y * direction
pos2.y = worldedit.pos2[name].y * direction
if pos1.y > pos2.y then
return 1
else
return 2
end
elseif axis == 'z' then
pos1.z = worldedit.pos1[name].z * direction
pos2.z = worldedit.pos2[name].z * direction
if pos1.z > pos2.z then
return 1
else
return 2
end
else
return nil
end
end
-- Translates up, down, left, right, front, back to their corresponding axes and
-- directions according to faced direction
worldedit.translate_direction = function(name, direction)
local axis, dir = worldedit.player_axis(name)
local resaxis, resdir
if direction == "up" then
return 'y', 1
end
if direction == "down" then
return 'y', -1
end
if direction == "front" then
if axis == "y" then
resaxis = nil
resdir = nil
else
resaxis = axis
resdir = dir
end
end
if direction == "back" then
if axis == "y" then
resaxis = nil
resdir = nil
else
resaxis = axis
resdir = -dir
end
end
if direction == "left" then
if axis == 'x' then
resaxis = 'z'
resdir = dir
elseif axis == 'z' then
resaxis = 'x'
resdir = -dir
end
end
if direction == "right" then
if axis == 'x' then
resaxis = 'z'
resdir = -dir
elseif axis == 'z' then
resaxis = 'x'
resdir = dir
end
end
return resaxis, resdir
end