61 lines
1.6 KiB
Elixir
61 lines
1.6 KiB
Elixir
defmodule BackendWeb.GameChannel do
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@moduledoc """
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Channel for handling game events and player movements.
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"""
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use BackendWeb, :channel
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require Logger
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@impl true
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def join("game:lobby", _payload, socket) do
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Logger.info("WebSocket connected to #{node()}, waiting for name")
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Phoenix.PubSub.subscribe(Backend.PubSub, "game_state")
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current_state = Backend.GameState.get_state()
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{:ok, %{players: current_state}, socket}
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end
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@impl true
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def handle_info({:game_state_updated, state}, socket) do
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push(socket, "game_state", %{players: state})
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{:noreply, socket}
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end
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@impl true
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def handle_in("join_game", %{"name" => name}, socket) do
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Logger.info("Player '#{name}' joining game on #{node()}")
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socket = assign(socket, :player_name, name)
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Backend.GameState.add_player(name)
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{:reply, :ok, socket}
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end
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@impl true
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def handle_in("move", %{"directions" => directions}, socket) do
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case socket.assigns[:player_name] do
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nil ->
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Logger.warning("Move attempted without joining game")
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{:noreply, socket}
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player_name ->
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Logger.debug("Player '#{player_name}' moved #{inspect(directions)} on #{node()}")
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Backend.GameState.move_player(player_name, directions)
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{:noreply, socket}
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end
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end
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@impl true
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def terminate(_reason, socket) do
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case socket.assigns[:player_name] do
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nil ->
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Logger.info("WebSocket disconnected from #{node()}")
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player_name ->
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Logger.info("Player '#{player_name}' disconnected from #{node()}")
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Backend.GameState.remove_player(player_name)
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end
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:ok
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end
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end
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