function constrain(value, min, max)
  --[[
    value - Incoming value to be converted
    min - Minimum limit
    max - Maxmimum limit
  ]]

  local value2 = value
  if value2 > max then value2 = max elseif value2 < min then value2 = min end

  return value2
end

function map(value, start1, stop1, start2, stop2)
  --[[
    value - Incoming value to be converted
    start1 - Lower bound of the value's current range
    stop1 - Upper bound of the value's current range
    start2 - Lower bound of the value's target range
    stop2 - Upper bound of the value's target range
  ]]

  local value2 = ((value - start1) / (stop1 - start1)) * (stop2 - start2) + start2
  return value2
end

local currentMap = {width = 800, height = 400}
local textAreaDisplay = {width = 200, height = 100}

function eventLoop()
  for n in pairs(tfm.get.room.playerList) do
    local data = tfm.get.room.playerList[n]
    -- This uses the map function to create a simple textArea minimap of the player's position.
    local textAreaCoords = {
      x = (800 - textAreaDisplay.width) - 20,
      y = 4
    }
    ui.addTextArea(0, "", n, textAreaCoords.x, textAreaCoords.y, textAreaDisplay.width, textAreaDisplay.height, 0x324650, 0x000000, 0.5, true)

    local playerMapCoords = {
      x = constrain(map(data.x, 0, currentMap.width, textAreaCoords.x, textAreaCoords.x + textAreaDisplay.width), textAreaCoords.x, textAreaCoords.x + textAreaDisplay.width),
      y = constrain(map(data.y, 0, currentMap.height, textAreaCoords.y, textAreaCoords.y + textAreaDisplay.height), textAreaCoords.y, textAreaCoords.y + textAreaDisplay.height),
    }
    ui.addTextArea(1, "<p align='center'><font face='Wingdings' size='15'><rose>l", n, playerMapCoords.x, playerMapCoords.y, 30, 20, 0x324650, 0x000000, 0, true)
  end
end