Audio Transfer and Hologram Test Send

-- sender.lua
-- Transmits camera/hologram data and voice recordings to another computer

local camera = peripheral.find("camera")
local microphone = peripheral.find("microphone")
local modem = peripheral.find("modem")

if not camera then
    print("No camera found!")
    return
end

if not microphone then
    print("No microphone found!")
    return
end

if not modem then
    print("No modem found!")
    return
end

-- Configuration
local CHANNEL_SEND = 1
local CHANNEL_REPLY = 100
local CAMERA_NETWORK = "security"

-- Setup
camera.setNetwork(CAMERA_NETWORK)
camera.start()
microphone.startListening()
modem.open(CHANNEL_REPLY)

print("=== Camera & Voice Sender ===")
print("Camera network: " .. CAMERA_NETWORK)
print("Sending on channel: " .. CHANNEL_SEND)
print("Press Ctrl+T to stop")
print("")

-- Track if someone is speaking
local currentRecording = nil
local recordingStartTime = 0
local MAX_RECORDING_TIME = 5  -- Max seconds per recording chunk

while true do
    -- Check for voice events
    while microphone.hasVoiceEvent() do
        local event = microphone.getVoiceEvent()
        if event then
            if event.event == "start" then
                -- Start recording when someone speaks
                currentRecording = "voice_" .. os.epoch("utc")
                microphone.startRecording(currentRecording)
                recordingStartTime = os.epoch("utc") / 1000
                print("[VOICE] " .. event.player .. " started speaking")
            elseif event.event == "stop" then
                -- Stop recording and send when they stop
                if currentRecording then
                    microphone.stopRecording()

                    local packets = microphone.getRecordingPackets(currentRecording)
                    if packets and #packets > 0 then
                        print("[VOICE] Sending " .. #packets .. " audio packets")
                        modem.transmit(CHANNEL_SEND, CHANNEL_REPLY, {
                            type = "voice",
                            player = event.player,
                            packets = packets
                        })
                    end

                    -- Clean up recording
                    microphone.deleteRecording(currentRecording)
                    currentRecording = nil
                end
                print("[VOICE] " .. event.player .. " stopped speaking")
            end
        end
    end

    -- Check if recording is too long (chunk it)
    if currentRecording then
        local elapsed = (os.epoch("utc") / 1000) - recordingStartTime
        if elapsed >= MAX_RECORDING_TIME then
            -- Send current chunk and start new recording
            microphone.stopRecording()

            local packets = microphone.getRecordingPackets(currentRecording)
            if packets and #packets > 0 then
                print("[VOICE] Sending chunk: " .. #packets .. " packets")
                modem.transmit(CHANNEL_SEND, CHANNEL_REPLY, {
                    type = "voice",
                    player = "chunk",
                    packets = packets
                })
            end

            microphone.deleteRecording(currentRecording)

            -- Start new recording immediately
            currentRecording = "voice_" .. os.epoch("utc")
            microphone.startRecording(currentRecording)
            recordingStartTime = os.epoch("utc") / 1000
        end
    end

    -- Send camera/hologram data
    local playerData = camera.get3DPlayerData()
    local center = camera.getNetworkCenter()

    if center then
        modem.transmit(CHANNEL_SEND, CHANNEL_REPLY, {
            type = "hologram",
            players = playerData,
            center = center
        })

        if #playerData > 0 then
            print("[CAM] Tracking " .. #playerData .. " player(s)")
        end
    end

    sleep(0.05)  -- 20 updates per second
end