Rubik's_cube_gui

local tCube = {}

rednet.open('back')

local tCoords = {
  {{12, 13, 14}, {7, 8, 9}},
  {{15, 16, 17}, {7, 8, 9}},
  {{14, 13, 12}, {6, 5, 4}},
  {{9, 10, 11}, {7, 8, 9}},
  {{12, 13, 14}, {10, 11, 12}},
  {{12, 13, 14}, {13, 14, 15}},

  ['buttons'] = {
    {12, 3, '04'}, {13, 2, '05'}, {14, 3, '06'}, -- up
    {12, 16, '14'}, {13, 17, '15'}, {14, 16, '16'}, -- down
    {8, 7, '17'}, {7, 8, '18'}, {8, 9, '19'}, -- left
    {18, 7, '07'}, {19, 8, '08'}, {18, 9, '09'}, -- right
    {11, 10, '01'}, {10, 11, '02'}, {11, 12, '03'}, -- cw
    {15, 10, '11'}, {16, 11, '12'}, {15, 12, '13'}, -- ccw
    {2, 16, 'reset'}, {18, 16, 'shuffle'} -- reset, shuffle
}}

local function drawButtons()
  for b = 1, #tCoords['buttons'] do
    paintutils.drawPixel(tCoords['buttons'][b][1], tCoords['buttons'][b][2], 0x100)
  end

  term.setBackgroundColor(0x8000)
  term.setCursorPos(tCoords['buttons'][19][1]+1, tCoords['buttons'][19][2])
  write('RESET')

  term.setCursorPos(tCoords['buttons'][20][1]+1, tCoords['buttons'][20][2])
  write('SHUFFLE')
end

local function drawNet()
  for side = 1, 6 do
    for cell = 1, 9 do
      if cell == 1 then x, y = 1, 1
        elseif cell == 2 then x, y = 2, 1
        elseif cell == 3 then x, y = 3, 1

        elseif cell == 4 then x, y = 1, 2
        elseif cell == 5 then x, y = 2, 2
        elseif cell == 6 then x, y = 3, 2

        elseif cell == 7 then x, y = 1, 3
        elseif cell == 8 then x, y = 2, 3
        elseif cell == 9 then x, y = 3, 3
      end

      s = ('s'..side)

      color = tCube[s][cell]

      if color == 14 then color = 0x4000
        elseif color == 0 then color = 0x1
        elseif color == 13 then color = 0x2000
        elseif color == 4 then color = 0x10
        elseif color == 11 then color = 0x800
        elseif color == 1 then color = 0x2
      end

      paintutils.drawPixel(tCoords[side][1][x], tCoords[side][2][y], color)
    end
  end
end

while true do
  term.setBackgroundColor(0x8000)
  term.clear()
  term.setCursorPos(1, 1)

  local id, msg = rednet.receive('cube_0')
  tCube = textutils.unserialize(msg)
  tCube['s2'][1], tCube['s2'][3], tCube['s2'][9], tCube['s2'][7] =
  tCube['s2'][3], tCube['s2'][9], tCube['s2'][7], tCube['s2'][1]
  tCube['s2'][2], tCube['s2'][6], tCube['s2'][8], tCube['s2'][4] =
  tCube['s2'][6], tCube['s2'][8], tCube['s2'][4], tCube['s2'][2]
  tCube['s4'][1], tCube['s4'][7], tCube['s4'][9], tCube['s4'][3] =
  tCube['s4'][7], tCube['s4'][9], tCube['s4'][3], tCube['s4'][1]
  tCube['s4'][2], tCube['s4'][4], tCube['s4'][8], tCube['s4'][6] =
  tCube['s4'][4], tCube['s4'][8], tCube['s4'][6], tCube['s4'][2]

  drawButtons()
  drawNet()

  local et, bn, x, y = os.pullEvent("mouse_click")
  for i = 1, #tCoords['buttons'] do
    if x == tCoords['buttons'][i][1] and y == tCoords['buttons'][i][2] then
      rednet.broadcast(tCoords['buttons'][i][3], 'cube_0')
    end
  end
end