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-- Active Cooling Big Reactor Monitor                   --
--                                                      --
-- Minecraft HermitCraft FTB Infinity Episode 28        --
-- https://www.youtube.com/watch?v=cIPxwZJWOiE          --
--                                                      --
-- YouTube Channel http://youtube.com/hypnotizd         --
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local mon = {}
local hasMon = false
local hasRMon = false
local rMonName = ""
local cPort = {}
local hasCPort = false
local hasRCPort = false
local rCPortName = ""
local directions = {"top", "bottom", "front", "back", "left", "right"}
local minX = 0
local minY = 0
local minZ = 0
local maxX = 0
local maxY = 0
local maxZ = 0
local crPrevCoreTemp = 0
local crCoreTemp = 0
local crCoreChangeWait = 0
 
local table = {}
 
local function findPeripherals()
  for k, v in pairs(peripheral.getNames()) do
    if string.find(v, "Reactor") then
      hasCPort = true
      hasRCPort = true
      rCPortName = v
      print("INFO: Found remote "..v)
      os.sleep(1)
    elseif string.find(v, "monitor") then
      hasMon = true
      hasRMon = true
      rMonName = v
      print("INFO: Found remote "..v)
      os.sleep(1)
    end
  end
end
 
local function findCPort()
  if hasRCPort then return end
  for k, v in pairs(directions) do
    local p = peripheral.wrap(v)
    if p ~= nil then
      if string.find(peripheral.getType(v), "Reactor") then
        cPort = p
        hasCPort = true
        return
      end
    end
  end
  print("ERROR: No computer port detected!")
end
 
local function findMon()
  if hasRMon then return end
  for k, v in pairs(directions) do
    local p = peripheral.wrap(v)
    if p ~= nil then
      if string.find(peripheral.getType(v), "monitor") then
        mon = p
        hasMon = true
        return
      end
    end
  end
  print("WARNING: No monitor detected!")
  os.sleep(5)
end
 
local function monClear()
  if hasMon then
    if hasRMon then
      peripheral.call(rMonName, "setCursorPos", 1, 1)
      peripheral.call(rMonName, "clear")
    else
      mon.setCursorPos(1, 1)
      mon.clear()
    end
  else
    term.clear()
    term.setCursorPos(1, 1)
  end
end
 
local function monWrite(x, y, text)
  if hasMon then
    if hasRMon then
      peripheral.call(rMonName, "setCursorPos", x, y)
      peripheral.call(rMonName, "write", text)
    else
      mon.setCursorPos(x, y)
      mon.write(text)
    end
  else
    term.setCursorPos(x, y)
    term.write(text)
  end
end
 
local function getSize()
  if hasRCPort then
    minX, minY, minZ = peripheral.call(rCPortName, "getMinimumCoordinate")
    maxX, maxY, maxZ = peripheral.call(rCPortName, "getMaximumCoordinate")
  else
    minX, minY, minZ = cPort.getMinimumCoordinate()  
    maxX, maxY, maxZ = cPort.getMaximumCoordinate()
  end
end
 
local function setAllControlRodLevels(x)
  if hasRCPort then
    peripheral.call(rCPortName, "setAllControlRodLevels", x)
  else
    cPort.setAllControlRodLevels(x)
  end
end
 
local function getActive()
  local ret = false
  if hasRCPort then
    ret = peripheral.call(rCPortName, "getActive")
  else
    ret = cPort.getActive()
  end
  return ret
end
 
local function getControlRodLevel()
  local ret = 0
  if hasRCPort then
    ret = peripheral.call(rCPortName, "getControlRodLevel", 0)
  else
    ret = cPort.getControlRodLevel(0)
  end
  return ret
end
 
local function getFuelTemperature()
  local ret
  if hasRCPort then
    ret = peripheral.call(rCPortName, "getFuelTemperature")
  else
    ret = cPort.getFuelTemperature()
  end
  return ret
end
 
local function setControlRods()
  if getActive() then
    if crCoreTemp ~= 0 then
      crPrevCoreTemp = crCoreTemp
      crCoreTemp = getFuelTemperature()
      local ctrlRodLevel = getControlRodLevel()
      local tempDiff = crPrevCoreTemp - crCoreTemp
      if crCoreChangeWait > 0 then
        crCoreChangeWait = crCoreChangeWait - 1
        return
      end
      if crCoreTemp >= 1350 then
        setAllControlRodLevels(ctrlRodLevel+1)
      elseif crCoreTemp >= 1050 then
        setAllControlRodLevels(ctrlRodLevel+1)
        crCoreChangeWait = 1
      elseif crCoreTemp <= 600 then
        setAllControlRodLevels(ctrlRodLevel-1)
      elseif crCoreTemp <= 950 then
        setAllControlRodLevels(ctrlRodLevel-1)
        crCoreChangeWait = 1
      end
    else
      crCoreTemp = getFuelTemperature()
      if getControlRodLevel() == 100 then
        setAllControlRodLevels(99)
      end
      crCoreChangeWait = 1
    end
  end
end
 
local function init()
  term.clear()
  term.setCursorPos(1, 1)
  findPeripherals()
  findCPort()
  findMon()
  getSize()
  monClear()
end
 
local function displayInfo()
  local rods = 0
  local casingTemp = 0
  local coreTemp = 0
  local rodLevel = 0
  local fuelReactivity = 0
  local fuelConsumed = 0
  local steamProduced = 0
 
  if hasRCPort then
    rods = peripheral.call(rCPortName, "getNumberOfControlRods")
    casingTemp = peripheral.call(rCPortName, "getCasingTemperature")
    coreTemp = peripheral.call(rCPortName, "getFuelTemperature")
    rodLevel = peripheral.call(rCPortName, "getControlRodLevel", 0)
    fuelReactivity = peripheral.call(rCPortName, "getFuelReactivity")
    fuelConsumed = peripheral.call(rCPortName, "getFuelConsumedLastTick")
    steamProduced = peripheral.call(rCPortName, "getHotFluidProducedLastTick")
  else
    rods = cPort.getNumberOfControlRods()
    casingTemp = cPort.getCasingTemperature()
    coreTemp = cPort.getFuelTemperature()
    rodLevel = cPort.getControlRodLevel(0)
    fuelReactivity = cPort.getFuelReactivity()
    fuelConsumed = cPort.getFuelConsumedLastTick()
    steamProduced = cPort.getHotFluidProducedLastTick()
  end
 
  local active = "Inactive"
  if getActive() then
    active = "Active"
  end
  
  X = 1+maxX-minX
  Y = 1+maxY-minY
  Z = 1+maxZ-minZ
 
  table[0] = rods
  table[1] = casingTemp
  table[2] = coreTemp
  table[3] = rodLevel
  table[4] = fuelReactivity
  table[5] = fuelConsumed
  table[6] = steamProduced
  table[7] = active
  table[8] = X
  table[9] = Y
  table[10] = Z
  
 
  local msg = textutils.serialize(table)
  rednet.open("back")
  rednet.broadcast(msg)
 
  monClear()
  monWrite(1, 1, "   Reactor Status: "..active)
  monWrite(1, 2, "     Reactor Size: "..X.."x"..Y.."x"..Z)
  monWrite(1, 3, " Num Control Rods: "..rods)
  monWrite(1, 4, "     Casing Temp.: "..casingTemp)
  monWrite(1, 5, "       Core Temp.: "..coreTemp)
  monWrite(1, 6, "Control Rod Level: "..rodLevel)
  monWrite(1, 7, "  Fuel Reactivity: "..fuelReactivity)
  monWrite(1, 8, "  Fuel Usage/tick: "..fuelConsumed)
  monWrite(1, 9, "   Steam Produced: "..steamProduced)
end
 
init()
if hasCPort == false then return end
 
while true do
  setControlRods()
  displayInfo()
  os.sleep(3)
end