hololib.lua

local hololib = {}

local component = require("component")
local os = require("os")
if component.hologram == nil then
  error("Requires hologram projector")
end

local DIM_X = 48
local DIM_Y = 32
local DIM_Z = 48

hololib.device = component.hologram
hololib.data = ""

local function dataInit()
  hololib.data = string.rep(string.char(0), DIM_X*DIM_Y*DIM_Z)
end
dataInit()

local function coordsToIndex(x, y, z)
  return ((y - 1) + DIM_Y * (z - 1) + (DIM_Z * DIM_Y) * (x - 1)) + 1
end

function hololib:set(x, y, z, n)
  local index = coordsToIndex(x, y, z)
  self.data = self.data:sub(1, index - 1) .. string.char(n) .. self.data:sub(index + 1)
end

function hololib:get(x, y, z, n)
  return string.byte(self.data, coordsToIndex(x, y, z))
end

function hololib:readFromDevice()
  for x = 1, DIM_X, 1 do
    for y = 1, DIM_Y, 1 do
      for z = 1, DIM_Z, 1 do
        self:set(x, y, z, self.device.get(x, y, z))
      end
      os.sleep(0)
    end
  end
end

function hololib:flush()
  self.device.setRaw(self.data)
end

return hololib