local Direction = require("lib.direction")

---@class Position
---@field x number
---@field y number
---@field z number
---@field dir Direction
local Position = {}
Position.__index = Position

---@return Position
function Position:Empty()
	local t = {}
	setmetatable(t, Position)

	t.x = 0
	t.y = 0
	t.z = 0
	t.dir = Direction.NORTH

	return t
end

---@param x number
---@param y number
---@param z number
---@param dir Direction
---@return Position
function Position:Create(x, y, z, dir)
	local t = {}
	setmetatable(t, Position)

	t.x = x
	t.y = y
	t.z = z
	t.dir = dir or Direction.NORTH

	return t
end

---@param other Position
---@return Position
function Position:Copy(other)
	local t = {}
	setmetatable(t, Position)

	t.x = other.x
	t.y = other.y
	t.z = other.z
	t.dir = other.dir

	return t
end

---@param other Position
function Position:Add(other)
	self.x = self.x + other.x
	self.y = self.y + other.y
	self.z = self.z + other.z
end

---@param other Position
function Position:Subtract(other)
	self.x = self.x - other.x
	self.y = self.y - other.y
	self.z = self.z - other.z
end

return Position