ComputerCraft + Computronics Radar

-- Wrap the radar peripheral and open port 420
local radar = peripheral.wrap("left")
rednet.open("right") -- Assuming the modem is on the right side, adjust as needed
local port = 420

-- Function to get player distances
local function getPlayerDistances()
    local players = radar.getPlayers()
    local playerData = {}

    for i = 1, #players do
        local playerName = players[i].name or "Unknown"
        local distance = players[i].distance or 0
        table.insert(playerData, {name = playerName, distance = distance})
    end

    return playerData
end

-- Main loop
while true do
    local senderID, message, protocol = rednet.receive(port)
    if message == "request_distance" then
        local playerData = getPlayerDistances()
        rednet.send(senderID, playerData, port)
        print("Sent player distances to " .. senderID)
    end
end