490 lines
14 KiB
Rust
490 lines
14 KiB
Rust
use crate::user_handler::*;
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use crate::AppState;
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use crate::GameHandlerMessage::*;
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use crate::User;
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use anyhow::{Context, Result};
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use lib::*;
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use rand::prelude::IteratorRandom;
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use rand::thread_rng;
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use serde::Deserialize;
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use std::{
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collections::HashMap,
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fs::read_to_string,
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net::SocketAddr,
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sync::{Arc, RwLock},
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};
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use uuid::Uuid;
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/// For interacting with the game handler
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pub enum GameHandlerMessage {
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NewGame {
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addr: SocketAddr,
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new_game: NewGameRequest,
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},
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JoinGame {
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addr: SocketAddr,
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id: String,
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},
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}
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/// Handles game stuff
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pub struct GameHandler {
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/// Global state pointer
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state: Arc<AppState>,
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}
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impl GameHandler {
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/// Returns a new game handler
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pub fn new(state: Arc<AppState>) -> Self {
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GameHandler { state }
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}
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/// Handles incoming messages
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pub async fn handle(&self, message: GameHandlerMessage) {
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match message {
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NewGame { addr, new_game } => self.new_game(addr, new_game).await,
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JoinGame { addr, id } => self.join_game(addr, id).await,
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}
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}
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/// Puts a user in a game
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async fn join_game(&self, addr: SocketAddr, id: String) {
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// Get pointers
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let this_game = self.state.games.read().unwrap().get(&id).unwrap().clone();
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let this_user = self
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.state
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.online_users
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.read()
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.unwrap()
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.get(&addr)
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.unwrap()
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.clone();
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// Create player
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this_game.write().unwrap().create_player(this_user);
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// Send updates for all players
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for player in this_game.read().unwrap().players.values() {
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// Create update for user's game view
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let meta = GameStateMeta {
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uuid: id.clone(),
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name: this_game.read().unwrap().name.clone(),
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host: this_game.read().unwrap().host.read().unwrap().name.clone(),
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players: this_game
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.read()
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.unwrap()
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.players
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.values()
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.map(|player| player.user.read().unwrap().name.clone())
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.collect(),
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czar: this_game.read().unwrap().host.read().unwrap().name.clone(),
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black: (
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this_game.read().unwrap().current_black.text.clone(),
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this_game.read().unwrap().current_black.pick,
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),
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white: player.white.iter().map(|card| card.text.clone()).collect(),
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packs: this_game.read().unwrap().packs.clone(),
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};
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// Send user's update
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let msg = serde_json::to_string(&meta).unwrap();
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let user_tx = player.user.read().unwrap().tx.clone();
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tokio::spawn(async move { user_tx.send(msg).await });
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}
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// Broadcast game browser update
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self.state
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.broadcast_tx
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.send(meta_games_browser_update(&self.state))
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.unwrap();
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// Broadcast server meta update
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self.state
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.broadcast_tx
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.send(meta_server_summary_update(&self.state))
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.unwrap();
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}
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/// Creates a new game
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async fn new_game(&self, addr: SocketAddr, new_game: NewGameRequest) {
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if new_game.packs.is_empty() {
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tracing::error!("New game cards are empty!");
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return;
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} else if new_game.name.is_empty() {
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tracing::error!("New game name is empty!");
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return;
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}
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// Get host pointer
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let host = self
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.state
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.online_users
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.read()
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.unwrap()
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.get(&addr)
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.unwrap()
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.clone();
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// Create manifest
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let manifest = NewGameManifest {
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name: new_game.name,
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host: host.clone(),
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packs: new_game.packs,
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};
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tracing::debug!("{:#?}", host.clone().read().unwrap().uuid);
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// Create game using manifest
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let mut new_game_object = Game::new(self.state.clone(), manifest);
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// Don't forget to create the host player!!!
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new_game_object.create_player(host.clone());
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// Create update for user's game view
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let meta = GameStateMeta {
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uuid: new_game_object.uuid.to_string(),
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name: new_game_object.name.clone(),
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host: new_game_object.host.read().unwrap().name.clone(),
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players: new_game_object
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.players
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.iter()
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.map(|player| {
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self.state
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.user_uuid
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.read()
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.unwrap()
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.get(player.0)
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.unwrap()
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.read()
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.unwrap()
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.name
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.clone()
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})
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.collect(),
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czar: new_game_object.host.read().unwrap().name.clone(),
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black: (
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new_game_object.current_black.text.clone(),
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new_game_object.current_black.pick,
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),
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white: new_game_object
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.players
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.get(&new_game_object.host.read().unwrap().uuid)
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.unwrap()
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.white
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.iter()
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.map(|card| card.text.clone())
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.collect(),
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packs: new_game_object.packs.clone(),
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};
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// Send user's update
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let tx = host.read().unwrap().tx.clone();
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tx.send(serde_json::to_string(&meta).unwrap())
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.await
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.unwrap();
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// Add game to active list
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self.state.games.write().unwrap().insert(
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new_game_object.uuid.to_string(),
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Arc::new(RwLock::new(new_game_object)),
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);
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// Broadcast game browser update
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self.state
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.broadcast_tx
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.send(meta_games_browser_update(&self.state))
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.unwrap();
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// Broadcast server meta update
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self.state
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.broadcast_tx
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.send(meta_server_summary_update(&self.state))
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.unwrap();
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}
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}
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/// Card Set
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#[derive(Debug)]
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struct CardSet {
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white: Option<Vec<Arc<CardWhiteWithID>>>,
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black: Option<Vec<Arc<CardBlackWithID>>>,
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}
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/// Card Packs
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#[derive(Debug)]
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pub struct CardPacks {
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official: HashMap<u8, CardSet>,
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unofficial: HashMap<u8, CardSet>,
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}
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/// A raw white card as it exists in the source json
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#[derive(Debug, Deserialize)]
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struct CardWhiteFromJSON {
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/// Card text
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text: String,
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/// ID of the pack it came from
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pack: u8,
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}
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/// A raw black card as it exists in the source json
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#[derive(Debug, Deserialize)]
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struct CardBlackFromJSON {
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/// Card text
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text: String,
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/// Amount of cards to submit for judging
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pick: u8,
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/// ID of the pack it came from
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pack: u8,
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}
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/// A processed white card for use server-side
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#[derive(Debug)]
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struct CardWhiteWithID {
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/// Unique identifier
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uuid: Uuid,
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/// Card text
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text: String,
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}
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/// A processed black card for use server-side
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#[derive(Debug)]
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struct CardBlackWithID {
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/// Unique identifier
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uuid: Uuid,
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/// Card text
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text: String,
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/// Amount of cards to submit for judging
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pick: u8,
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}
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/// A card pack
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#[derive(Debug, Deserialize)]
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struct CardPack {
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/// Name of the pack
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name: String,
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/// Whether or not this is an official card pack
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official: bool,
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/// White card data
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white: Option<Vec<CardWhiteFromJSON>>,
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/// Black card data
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black: Option<Vec<CardBlackFromJSON>>,
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}
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/// Internal manifest for making a new game
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#[derive(Debug)]
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struct NewGameManifest {
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/// Game name
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name: String,
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/// Game host
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host: Arc<RwLock<User>>,
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/// Selected game packs
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packs: Vec<u8>,
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}
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/// A player
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#[derive(Debug)]
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pub struct Player {
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/// Pointer to user
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user: Arc<RwLock<User>>,
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/// The player's hand
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white: Vec<Arc<CardWhiteWithID>>,
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/// The player's wins
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black: Vec<Arc<CardBlackWithID>>,
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}
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/// The game object
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#[derive(Debug)]
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pub struct Game {
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/// Game's UUID
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pub uuid: Uuid,
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/// The name of the game
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pub name: String,
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/// The host user of the game
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pub host: Arc<RwLock<User>>,
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/// White draw pile
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pub white: Vec<Arc<CardWhiteWithID>>,
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/// Black draw pile
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black: Vec<Arc<CardBlackWithID>>,
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pub players: HashMap<Uuid, Player>,
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/// Black card for the current round
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current_black: Arc<CardBlackWithID>,
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pub packs: Vec<u8>,
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}
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impl Game {
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/// Returns a new game object
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fn new(state: Arc<AppState>, request: NewGameManifest) -> Self {
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// Build the decks
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let mut white = vec![];
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let mut black = vec![];
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for pack_num in &request.packs {
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if let Some(pack) = state.packs.official.get(&pack_num) {
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if let Some(card) = &pack.white {
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white.extend(card.clone())
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}
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if let Some(card) = &pack.black {
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black.extend(card.clone())
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}
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} else if let Some(pack) = state.packs.unofficial.get(&pack_num) {
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if let Some(card) = &pack.white {
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white.extend(card.clone())
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}
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if let Some(card) = &pack.black {
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black.extend(card.clone())
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}
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}
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}
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// Draw first black card
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let current_black = black.swap_remove(
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(0..black.len())
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.choose(&mut thread_rng())
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.expect("No black cards to draw from!"),
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);
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// These are at the largest size they should ever be
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white.shrink_to_fit();
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black.shrink_to_fit();
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// Return game object
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Game {
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uuid: Uuid::now_v7(),
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name: request.name,
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host: request.host.clone(),
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white,
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black,
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players: HashMap::new(),
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current_black,
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packs: request.packs.clone(),
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}
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}
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/// Draw one white card at random from play deck.
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fn draw_one_white(&mut self) -> Option<Arc<CardWhiteWithID>> {
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let deck = &mut self.white;
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if let Some(index) = (0..deck.len()).choose(&mut thread_rng()) {
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Some(deck.swap_remove(index))
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} else {
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tracing::error!("Tried to draw white card that doesn't exist!");
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None
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}
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}
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/// Create a new player and add them to the game.
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pub fn create_player(&mut self, user: Arc<RwLock<User>>) {
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// Build hand of 10 white cards
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let mut white = vec![];
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for _ in 0..10 {
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if let Some(card) = self.draw_one_white() {
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white.push(card);
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}
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}
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// New player object
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let new_player = Player {
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user: user.clone(),
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white,
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black: vec![],
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};
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// Add player to game
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self.players
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.insert(user.read().unwrap().uuid.clone(), new_player);
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}
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}
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/// Parse json for card data
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pub fn load_cards_from_json(path: &str) -> Result<(CardPacks, CardPacksMeta)> {
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// Load in json
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let data: String =
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read_to_string(path).with_context(|| format!("Invalid JSON path: \"{}\"", path))?;
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let jayson: Vec<CardPack> = serde_json::from_str(&data)
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.with_context(|| format!("The contents of \"{path}\" is not valid JSON."))?;
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// For global state
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let mut official: HashMap<u8, CardSet> = HashMap::new();
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let mut unofficial: HashMap<u8, CardSet> = HashMap::new();
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let mut official_meta: Vec<CardPackMeta> = vec![];
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let mut unofficial_meta: Vec<CardPackMeta> = vec![];
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// Unpack the json
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for sets in jayson {
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let mut num_white = 0;
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let mut num_black = 0;
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let mut newset = CardSet {
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white: Option::None,
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black: Option::None,
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};
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// No safe default for this so make it an Option
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let mut pack: Option<u8> = Option::None;
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// Process white cards if there are any
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if let Some(ref white) = sets.white {
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num_white = white.len();
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if num_white > 0 {
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pack = Some(white[0].pack);
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let mut white_buf = vec![];
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for card in sets.white.unwrap() {
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white_buf.push(Arc::new(CardWhiteWithID {
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uuid: Uuid::now_v7(),
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text: card.text,
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}));
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}
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newset.white = Some(white_buf);
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}
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}
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// Process black cards if there are any
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if let Some(ref black) = sets.black {
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num_black = black.len();
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if num_black > 0 {
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pack = Some(black[0].pack);
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let mut black_buf = vec![];
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for card in sets.black.unwrap() {
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black_buf.push(Arc::new(CardBlackWithID {
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uuid: Uuid::now_v7(),
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text: card.text,
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pick: card.pick,
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}));
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}
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newset.black = Some(black_buf);
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}
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}
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// Start repackaging
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let meta = CardPackMeta {
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name: sets.name,
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pack: pack.expect("No card pack number!"),
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num_white,
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num_black,
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};
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if sets.official {
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official_meta.push(meta);
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official.insert(pack.unwrap(), newset);
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} else {
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unofficial_meta.push(meta);
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unofficial.insert(pack.unwrap(), newset);
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}
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}
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// These are now the largest size they should ever be
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official.shrink_to_fit();
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unofficial.shrink_to_fit();
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official_meta.shrink_to_fit();
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unofficial_meta.shrink_to_fit();
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// Package for export
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let packs = CardPacks {
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official,
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unofficial,
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};
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let packs_meta = CardPacksMeta {
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official_meta,
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unofficial_meta,
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};
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Ok((packs, packs_meta))
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}
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