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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,153 @@ | ||
| import gleam/erlang/process | ||
| import gleam/float | ||
| import gleam/function.{identity} | ||
| import gleam/int | ||
| import gleam/list | ||
| import gleam/otp/actor | ||
| import gleam/result.{try} | ||
| import luster/games/three_line_poker as tlp | ||
| import luster/systems/session | ||
| import luster/web/socket | ||
|
|
||
| pub type Message { | ||
| AssessMove | ||
| Stop | ||
| } | ||
|
|
||
| type State { | ||
| State( | ||
| self: process.Subject(Message), | ||
| session_id: String, | ||
| player: tlp.Player, | ||
| session: process.Subject(session.Message), | ||
| pubsub: socket.PubSub, | ||
| ) | ||
| } | ||
|
|
||
| pub fn start( | ||
| player: tlp.Player, | ||
| session: process.Subject(session.Message), | ||
| pubsub: socket.PubSub, | ||
| ) -> Result(process.Subject(Message), actor.StartError) { | ||
| actor.start_spec(actor.Spec( | ||
| init: fn() { handle_init(player, session, pubsub) }, | ||
| init_timeout: 10, | ||
| loop: handle_message, | ||
| )) | ||
| } | ||
|
|
||
| fn handle_init( | ||
| player: tlp.Player, | ||
| session: process.Subject(session.Message), | ||
| pubsub: socket.PubSub, | ||
| ) -> actor.InitResult(State, Message) { | ||
| let self = process.new_subject() | ||
|
|
||
| let session_id = session.id(session) | ||
|
|
||
| process.send_after(self, 5000, AssessMove) | ||
|
|
||
| actor.Ready( | ||
| State(self, session_id, player, session, pubsub), | ||
| process.new_selector() | ||
| |> process.selecting(self, identity), | ||
| ) | ||
| } | ||
|
|
||
| fn handle_message(message: Message, state: State) -> actor.Next(Message, State) { | ||
| case message { | ||
| AssessMove -> { | ||
| let _ = { | ||
| use gamestate <- try(session.get(state.session)) | ||
| use message <- try(assess_move(state.player, gamestate)) | ||
| use gamestate <- try(make_move(gamestate, message)) | ||
| let Nil = session.set(state.session, gamestate) | ||
| let Nil = | ||
| socket.broadcast( | ||
| state.pubsub, | ||
| state.session_id, | ||
| socket.UpdateGameState, | ||
| ) | ||
|
|
||
| Ok(Nil) | ||
| } | ||
|
|
||
| let _timer = | ||
| process.send_after(state.self, between(1000, 2500), AssessMove) | ||
|
|
||
| actor.continue(state) | ||
| } | ||
|
|
||
| Stop -> { | ||
| actor.Stop(process.Normal) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| fn assess_move( | ||
| player: tlp.Player, | ||
| gamestate: tlp.GameState, | ||
| ) -> Result(tlp.Message, Nil) { | ||
| let hand = tlp.player_hand(gamestate, player) | ||
| let slots = tlp.available_plays(gamestate, player) | ||
|
|
||
| case list.length(hand), tlp.current_player(gamestate) { | ||
| size, current if size == tlp.max_hand_size && current == player -> { | ||
| Ok(play_card(player, slots, hand)) | ||
| } | ||
|
|
||
| size, current if size == tlp.max_hand_size && current != player -> { | ||
| Error(Nil) | ||
| } | ||
|
|
||
| _size, current if current != player -> { | ||
| Ok(draw_card(player)) | ||
| } | ||
|
|
||
| 0, _player -> { | ||
| Ok(draw_card(player)) | ||
| } | ||
|
|
||
| _size, player -> { | ||
| let assert Ok(move) = | ||
| [play_card(player, slots, hand), draw_card(player)] | ||
| |> list.shuffle() | ||
| |> list.first() | ||
|
|
||
| Ok(move) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| fn play_card(player, slots, hand) -> tlp.Message { | ||
| let assert Ok(slot) = | ||
| slots | ||
| |> list.shuffle() | ||
| |> list.first() | ||
| let assert Ok(card) = | ||
| hand | ||
| |> list.shuffle() | ||
| |> list.first() | ||
| tlp.PlayCard(player, slot, card) | ||
| } | ||
|
|
||
| fn draw_card(player) -> tlp.Message { | ||
| tlp.DrawCard(player) | ||
| } | ||
|
|
||
| fn make_move(gamestate, message) { | ||
| case tlp.next(gamestate, message) { | ||
| Ok(gamestate) -> Ok(gamestate) | ||
| Error(_) -> Error(Nil) | ||
| } | ||
| } | ||
|
|
||
| fn between(start: Int, end: Int) -> Int { | ||
| let period = int.to_float(end - start) | ||
| let random = | ||
| period | ||
| |> float.multiply(float.random()) | ||
| |> float.round() | ||
|
|
||
| random + start | ||
| } |
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