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https://codeberg.org/StreamGraph/StreamGraph.git
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107 lines
2.1 KiB
GDScript
107 lines
2.1 KiB
GDScript
extends Websocket_Client
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const eventsub_url := "wss://eventsub.wss.twitch.tv/ws"
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## Stores the "session id" for this EventSub connection.
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var session_id
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var connection : Twitch_Connection
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signal notif_received(data)
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signal welcome_received()
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var keepalive_timer := 0
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var timeout_time : int
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var subscribed_events : Array[Twitch_Connection.EventSub_Subscription]
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func _init(owner, timeout : int):
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connection = owner
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timeout_time = timeout
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packet_received.connect(data_received)
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## Overrides the default poll function for [Websocket_Client] to add functionality for a keepalive timer and reconnecting when the connection is lost.
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func poll_socket():
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super()
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keepalive_timer += connection.get_process_delta_time()
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if keepalive_timer >= timeout_time:
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socket_closed.emit()
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close()
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connect_to_eventsub(subscribed_events)
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## Handles setting up the connection to EventSub with an Array of the Events that should be subscribed to.
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func connect_to_eventsub(events : Array[Twitch_Connection.EventSub_Subscription]):
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connect_to_url(eventsub_url)
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await welcome_received
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subscribed_events = events
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return await subscribe_to_events(events)
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## Utility function for subscribing to multiple Twitch EventSub events at once.
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func subscribe_to_events(events : Array[Twitch_Connection.EventSub_Subscription]):
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var responses : Array[Twitch_Connection.HTTPResponse]
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for all in events:
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responses.append(await connection.add_eventsub_subscription(all))
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if responses.size() == 1:
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return responses[0]
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return responses
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func data_received(packet : PackedByteArray):
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var info = JSON.parse_string(packet.get_string_from_utf8())
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match info.metadata.message_type:
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"session_welcome":
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session_id = info.payload.session.id
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welcome_received.emit()
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"session_ping":
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print("Ping Received")
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send_pong(info)
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"notification":
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notif_received.emit(info)
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"session_keepalive":
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keepalive_timer = 0
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print(info)
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func send_pong(pong):
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pong.metadata.message_type = "session_pong"
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send_text(str(pong))
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