259 lines
11 KiB
Plaintext
259 lines
11 KiB
Plaintext
|
extends Node
|
||
|
|
#{
|
||
|
|
#var mic_capture : AudioEffectOpusChunked
|
||
|
|
#var audio_stats : Dictionary[int, Array] # id->[last_number, packetsreceived, packetslost]
|
||
|
|
#var packets_sent: int = 0
|
||
|
|
#
|
||
|
|
#var packet_queue: Dictionary[int, Array] # sender_id -> Array of PackedByteArrays
|
||
|
|
#
|
||
|
|
#
|
||
|
|
#func _ready():
|
||
|
|
#playstuff()
|
||
|
|
#var mic_bus = AudioServer.get_bus_index("Mic")
|
||
|
|
#mic_capture = AudioServer.get_bus_effect(mic_bus, 0)
|
||
|
|
#
|
||
|
|
#func _process(_delta: float):
|
||
|
|
#if !mic_capture or Multiplayer.playerDict.is_empty():
|
||
|
|
#return
|
||
|
|
#if Input.is_action_just_pressed("noise"):
|
||
|
|
#play_note(69)
|
||
|
|
#print("test")
|
||
|
|
#var t1 = Time.get_unix_time_from_system()
|
||
|
|
#for sender in packet_queue.keys():
|
||
|
|
#var VoiceChatPlayerOutputNode: AudioStreamPlayer3D = Multiplayer.playerDict.get(sender).VoiceChat
|
||
|
|
#var OpusStream : AudioStreamOpusChunked = VoiceChatPlayerOutputNode.stream
|
||
|
|
#while OpusStream.chunk_space_available() and packet_queue.get(sender).size() > 0:
|
||
|
|
#var pkt: PackedByteArray = packet_queue.get(sender).pop_front()
|
||
|
|
#print(packet_queue.get(sender).size())
|
||
|
|
#OpusStream.queue_length_frames()
|
||
|
|
#OpusStream.push_opus_packet(pkt, 8, 0)
|
||
|
|
#var t2 = Time.get_unix_time_from_system()
|
||
|
|
#print("Time 1: ", 1000*(t2-t1), "ms")
|
||
|
|
#var seq_num : PackedByteArray = PackedByteArray()
|
||
|
|
#seq_num.resize(8)
|
||
|
|
#while mic_capture.chunk_available():
|
||
|
|
#if multiplayer.multiplayer_peer.get_connection_status() != MultiplayerPeer.CONNECTION_CONNECTED:
|
||
|
|
#mic_capture.drop_chunk()
|
||
|
|
#continue
|
||
|
|
#seq_num.encode_u64(0,packets_sent+1)
|
||
|
|
#var packet = mic_capture.read_opus_packet(seq_num)
|
||
|
|
#mic_capture.drop_chunk()
|
||
|
|
#_voice_packet_received.rpc(packet)
|
||
|
|
#packets_sent += 1
|
||
|
|
#if (packets_sent % 500) == 0:
|
||
|
|
#print("Packets sent: ", packets_sent, " from id ", multiplayer.get_unique_id(), " ", hash(packet))
|
||
|
|
#print("Size before: ", packet.size())
|
||
|
|
#print("Hash send: ", hash(packet))
|
||
|
|
#var t3 = Time.get_unix_time_from_system()
|
||
|
|
#print("Time 2: ", 1000*(t3-t2), "ms")
|
||
|
|
#
|
||
|
|
#@rpc("any_peer", "call_remote" ,"unreliable_ordered", 1)
|
||
|
|
#func _voice_packet_received(packet: PackedByteArray):
|
||
|
|
#var sender_id = multiplayer.get_remote_sender_id()
|
||
|
|
#
|
||
|
|
##Stats for printing
|
||
|
|
#var sender_stats = audio_stats.get(sender_id, [0,0,0])
|
||
|
|
#if (sender_stats[0]+1 != packet.decode_u32(0)):
|
||
|
|
#sender_stats[2]+=1
|
||
|
|
#sender_stats[0]=packet.decode_u64(0)
|
||
|
|
#sender_stats[1]+=1
|
||
|
|
#audio_stats.set(sender_id, sender_stats)
|
||
|
|
#if (sender_stats[1] % 500) == 0:
|
||
|
|
#print("Packets received: ", sender_stats[1], " from id ", sender_id, " Lossrate: ", sender_stats[2], "/", sender_stats[1], "(" , str(100*(sender_stats[2]/sender_stats[1])), "%)")
|
||
|
|
#print("Size after: ", packet.size())
|
||
|
|
#print("Hash received: ", hash(packet))
|
||
|
|
#print("Packet no.: ", packet.decode_u64(0))
|
||
|
|
#var VoiceChatPlayerOutputNode: AudioStreamPlayer3D = Multiplayer.playerDict.get(sender_id).VoiceChat
|
||
|
|
#var _OpusStream : AudioStreamOpusChunked = VoiceChatPlayerOutputNode.stream
|
||
|
|
## OpusSteam
|
||
|
|
#if not packet_queue.has(sender_id):
|
||
|
|
#var x : Array[PackedByteArray] = []
|
||
|
|
#packet_queue.set(sender_id, x)
|
||
|
|
#if packet_queue.get(sender_id).size() > 250:
|
||
|
|
#push_error("VoiceChat buffer for user ", sender_id, " too large!")
|
||
|
|
#var x : Array[PackedByteArray] = []
|
||
|
|
#packet_queue.set(sender_id, x)
|
||
|
|
#packet_queue.get(sender_id).append(packet)
|
||
|
|
#
|
||
|
|
#var playback: AudioStreamGeneratorPlayback
|
||
|
|
#var player : AudioStreamPlayer
|
||
|
|
#
|
||
|
|
#func playstuff():
|
||
|
|
#var generator = AudioStreamGenerator.new()
|
||
|
|
#generator.mix_rate = 44100
|
||
|
|
#generator.buffer_length = 2
|
||
|
|
#player = AudioStreamPlayer.new()
|
||
|
|
#player.bus = "Mic"
|
||
|
|
#player.stream = generator
|
||
|
|
#add_child(player)
|
||
|
|
#player.play()
|
||
|
|
#playback = player.get_stream_playback()
|
||
|
|
#
|
||
|
|
#func play_note(midi_note: int):
|
||
|
|
#var freq = 440.0 * pow(2.0, (midi_note - 69) / 12.0) # MIDI ? Hz
|
||
|
|
#generate_sine_wave(freq)
|
||
|
|
#
|
||
|
|
#func generate_sine_wave(frequency: float):
|
||
|
|
#var sample_rate = 44100.0
|
||
|
|
#var increment = TAU * frequency / sample_rate
|
||
|
|
#var phase = 0.0
|
||
|
|
#var num_samples = int(sample_rate * 2) # 0.5 seconds
|
||
|
|
#var buffer = PackedVector2Array()
|
||
|
|
#for i in num_samples:
|
||
|
|
#var sample = sin(phase)
|
||
|
|
#buffer.append(Vector2(sample, sample)) # stereo
|
||
|
|
#phase += increment
|
||
|
|
#playback.push_buffer(buffer)
|
||
|
|
#}
|
||
|
|
var current_sample_rate: int = 48000
|
||
|
|
var has_loopback: bool = false
|
||
|
|
var local_playback: AudioStreamGeneratorPlayback = null
|
||
|
|
var local_voice_buffer: PackedByteArray = PackedByteArray()
|
||
|
|
var network_playback: Dictionary[int, AudioStreamGeneratorPlayback] = {}
|
||
|
|
var network_voice_buffer: Dictionary[int, PackedByteArray] = {}
|
||
|
|
var max_buffer_size: int = 1000
|
||
|
|
|
||
|
|
@onready var loopback_player : AudioStreamPlayer= $/root/Main/VoiceLoopback
|
||
|
|
|
||
|
|
func _ready() -> void:
|
||
|
|
if not Steamworks.is_initiallized:
|
||
|
|
push_warning("[VoiceChat] VoiceChat disabled due to SteamAPI.")
|
||
|
|
return
|
||
|
|
record_voice(true)
|
||
|
|
loopback_player.stream.mix_rate = current_sample_rate
|
||
|
|
loopback_player.play()
|
||
|
|
local_playback = loopback_player.get_stream_playback()
|
||
|
|
multiplayer.peer_disconnected.connect(remove_disconnected_peer)
|
||
|
|
multiplayer.peer_connected.connect(add_joined_peer)
|
||
|
|
|
||
|
|
|
||
|
|
func _process(_delta: float) -> void:
|
||
|
|
if not Steamworks.is_initiallized:
|
||
|
|
return
|
||
|
|
check_for_voice_local()
|
||
|
|
for player : int in network_voice_buffer:
|
||
|
|
process_voice_data(network_voice_buffer.get(player), str(player))
|
||
|
|
|
||
|
|
func add_joined_peer(id):
|
||
|
|
var remote_audio_stream_player : Node3D = get_node_or_null(NodePath("/root/Main/Players/%d/VoiceChat_a" % id))
|
||
|
|
network_playback.set(id, remote_audio_stream_player)
|
||
|
|
network_voice_buffer.set(id,PackedByteArray())
|
||
|
|
|
||
|
|
func remove_disconnected_peer(id):
|
||
|
|
network_playback.erase(id)
|
||
|
|
network_voice_buffer.erase(id)
|
||
|
|
|
||
|
|
func check_for_voice_local() -> void:
|
||
|
|
var available_voice: Dictionary = Steam.getAvailableVoice()
|
||
|
|
if !available_voice:
|
||
|
|
return
|
||
|
|
# Seems there is voice data
|
||
|
|
if available_voice['result'] == Steam.VOICE_RESULT_OK and available_voice['buffer'] > 0:
|
||
|
|
# Valve's getVoice uses 1024 but GodotSteam's is set at 8192?
|
||
|
|
# Our sizes might be way off; internal GodotSteam notes that Valve suggests 8kb
|
||
|
|
# However, this is not mentioned in the header nor the SpaceWar example but -is- in Valve's docs which are usually wrong
|
||
|
|
var voice_data: Dictionary = Steam.getVoice()
|
||
|
|
if voice_data['result'] == Steam.VOICE_RESULT_OK and voice_data['written']:
|
||
|
|
print("Voice message has data: %s / %s" % [voice_data['result'], voice_data['written']])
|
||
|
|
|
||
|
|
# Here we can pass this voice data off on the network
|
||
|
|
send_voice.rpc(voice_data['buffer'])
|
||
|
|
|
||
|
|
# If loopback is enable, play it back at this point
|
||
|
|
if has_loopback:
|
||
|
|
print("Loopback on")
|
||
|
|
# Our sample rate function above without toggling
|
||
|
|
get_sample_rate()
|
||
|
|
process_voice_data(voice_data['buffer'], "local")
|
||
|
|
|
||
|
|
@rpc("any_peer","call_remote","unreliable")
|
||
|
|
func send_voice(voice_buffer : PackedByteArray):
|
||
|
|
var sender_id : int = multiplayer.get_remote_sender_id()
|
||
|
|
if not network_playback.has(sender_id):
|
||
|
|
push_error("[VoiceChat] Received audio data, but there is no AudioStreamPlayer available for that user. Emitter: " + str(sender_id))
|
||
|
|
return
|
||
|
|
if not network_voice_buffer.has(sender_id):
|
||
|
|
push_error("[VoiceChat] Received audio data without allocated voice buffer for that user. Emitter: " + str(sender_id))
|
||
|
|
return
|
||
|
|
var local_peer_buffer : PackedByteArray = network_voice_buffer.get(sender_id)
|
||
|
|
if local_peer_buffer.size() >= max_buffer_size:
|
||
|
|
push_error("[VoiceChat] AudioBuffer exeeding size limit. Emitter: " + str(sender_id))
|
||
|
|
local_peer_buffer.append_array(voice_buffer)
|
||
|
|
print_debug("[VoiceChat] AudioBuffer size: " + str(local_peer_buffer.size()))
|
||
|
|
|
||
|
|
@rpc("any_peer","call_remote","reliable")
|
||
|
|
func send_sample_rate(sample_rate : int):
|
||
|
|
if sample_rate < 11025 || sample_rate > 48000:
|
||
|
|
return
|
||
|
|
var sender_id : int = multiplayer.get_remote_sender_id()
|
||
|
|
if network_playback.has(sender_id):
|
||
|
|
network_playback.get(sender_id).stream.mix_rate = sample_rate
|
||
|
|
network_playback.get(sender_id).clear_buffer()
|
||
|
|
network_voice_buffer.get(sender_id).clear()
|
||
|
|
|
||
|
|
func get_sample_rate() -> void:
|
||
|
|
current_sample_rate = Steam.getVoiceOptimalSampleRate()
|
||
|
|
if loopback_player.stream.mix_rate != current_sample_rate:
|
||
|
|
send_sample_rate.rpc(current_sample_rate)
|
||
|
|
loopback_player.stream.mix_rate = current_sample_rate
|
||
|
|
print("[VoiceChat] Changed own sample rate to: %s", current_sample_rate)
|
||
|
|
|
||
|
|
func process_voice_data(voice_data: PackedByteArray, voice_source: String) -> void:
|
||
|
|
|
||
|
|
var decompressed_voice: Dictionary = Steam.decompressVoice(voice_data, current_sample_rate)
|
||
|
|
|
||
|
|
if decompressed_voice['result'] == Steam.VOICE_RESULT_OK and decompressed_voice['size'] > 0:
|
||
|
|
print("[VoiceChat] Decompressed voice: %s" % decompressed_voice['size'])
|
||
|
|
|
||
|
|
if voice_source == "local":
|
||
|
|
local_voice_buffer = decompressed_voice['uncompressed']
|
||
|
|
local_voice_buffer.resize(decompressed_voice['size'])
|
||
|
|
|
||
|
|
# We now iterate through the local_voice_buffer and push the samples to the audio generator
|
||
|
|
for i: int in local_playback.get_frames_available():
|
||
|
|
if local_voice_buffer.size() == 0: break
|
||
|
|
# Steam's audio data is represented as 16-bit single channel PCM audio, so we need to convert it to amplitudes
|
||
|
|
# Combine the low and high bits to get full 16-bit value
|
||
|
|
var raw_value: int = local_voice_buffer[0] | (local_voice_buffer[1] << 8)
|
||
|
|
# Make it a 16-bit signed integer
|
||
|
|
raw_value = (raw_value + 32768) & 0xffff
|
||
|
|
# Convert the 16-bit integer to a float on from -1 to 1
|
||
|
|
var amplitude: float = float(raw_value - 32768) / 32768.0
|
||
|
|
|
||
|
|
# push_frame() takes a Vector2. The x represents the left channel and the y represents the right channel
|
||
|
|
local_playback.push_frame(Vector2(amplitude, amplitude))
|
||
|
|
|
||
|
|
# Delete the used samples
|
||
|
|
local_voice_buffer.remove_at(0)
|
||
|
|
local_voice_buffer.remove_at(0)
|
||
|
|
else:
|
||
|
|
#TODO: Better naming
|
||
|
|
#Better explanation for 16-bit conversions
|
||
|
|
network_voice_buffer.set(voice_source, decompressed_voice['uncompressed'])
|
||
|
|
var _network_voice_buffer : PackedByteArray = network_voice_buffer.get(voice_source)
|
||
|
|
_network_voice_buffer.resize(decompressed_voice['size'])
|
||
|
|
var _network_playback : AudioStreamGenerator = network_playback.get(voice_source)
|
||
|
|
for i: int in _network_playback.get_frames_available():
|
||
|
|
if _network_playback.size() == 0: break
|
||
|
|
var raw_value: int = _network_voice_buffer[0] | (_network_voice_buffer[1] << 8)
|
||
|
|
# Make it a 16-bit signed integer
|
||
|
|
raw_value = (raw_value + 32768) & 0xffff
|
||
|
|
# Convert the 16-bit integer to a float on from -1 to 1
|
||
|
|
var amplitude: float = float(raw_value - 32768) / 32768.0
|
||
|
|
|
||
|
|
# push_frame() takes a Vector2. The x represents the left channel and the y represents the right channel
|
||
|
|
_network_playback.push_frame(Vector2(amplitude, amplitude))
|
||
|
|
|
||
|
|
# Delete the used samples
|
||
|
|
_network_playback.remove_at(0)
|
||
|
|
_network_playback.remove_at(0)
|
||
|
|
|
||
|
|
func record_voice(is_recording: bool) -> void:
|
||
|
|
# If talking, suppress all other audio or voice comms from the Steam UI
|
||
|
|
Steam.setInGameVoiceSpeaking(Steamworks.steam_id, is_recording)
|
||
|
|
|
||
|
|
if is_recording:
|
||
|
|
Steam.startVoiceRecording()
|
||
|
|
else:
|
||
|
|
Steam.stopVoiceRecording()
|