+
+<!--
+// TODO: movelist dans basegame et chat ici
+// ==> après, implémenter/vérifier les passages de challenges + parties en cours
+// observer,
+// + problèmes, habiller et publier. (+ corr...)
+ // TODO: how to know who is observing ? Send message to everyone with game ID ?
+ // and then just listen to (dis)connect events
+ // server always send "connect on " + URL ; then add to observers if game...
+// router when access a game page tell to server I joined + game ID (no need rid)
+// and ask server for current joined (= observers)
+// when send to chat (or a move), reach only this group (send gid along)
+// -> doivent être enregistrés comme observers au niveau du serveur...
+ // non: poll users + events startObserving / stopObserving
+ // (à faire au niveau du routeur ?)
+-->
+
+<script>
+import BaseGame from "@/components/BaseGame.vue";
+//import Chat from "@/components/Chat.vue";
+//import MoveList from "@/components/MoveList.vue";
+import { store } from "@/store";
+import { GameStorage } from "@/utils/gameStorage";
+import { ppt } from "@/utils/datetime";
+import { extractTime } from "@/utils/timeControl";
+
+export default {
+ name: 'my-game',
+ components: {
+ BaseGame,
+ },
+ // gameRef: to find the game in (potentially remote) storage
+ data: function() {
+ return {
+ st: store.state,
+ gameRef: { //given in URL (rid = remote ID)
+ id: "",
+ rid: ""
+ },
+ game: { }, //passed to BaseGame
+ oppConnected: false, //TODO: use for styling
+ corrMsg: "", //to send offline messages in corr games
+ virtualClocks: [0, 0], //initialized with true game.clocks
+ vr: null, //"variant rules" object initialized from FEN
+ drawOffer: "", //TODO: use for button style
+ people: [ ], //potential observers (TODO)
+ };
+ },
+ watch: {
+ '$route' (to, from) {
+ if (!!to.params["id"])
+ {
+ this.gameRef.id = to.params["id"];
+ this.gameRef.rid = to.query["rid"];
+ this.loadGame();
+ }
+ },
+ "game.clocks": function(newState) {
+ if (this.game.moves.length < 2)
+ {
+ // 1st move not completed yet: freeze time
+ this.virtualClocks = newState.map(s => ppt(s));
+ return;
+ }
+ const currentTurn = this.vr.turn;
+ const colorIdx = ["w","b"].indexOf(currentTurn);
+ let countdown = newState[colorIdx] -
+ (Date.now() - this.game.initime[colorIdx])/1000;
+ this.virtualClocks = [0,1].map(i => {
+ const removeTime = i == colorIdx
+ ? (Date.now() - this.game.initime[colorIdx])/1000
+ : 0;
+ return ppt(newState[i] - removeTime);
+ });
+ const myTurn = (currentTurn == this.game.mycolor);
+ let clockUpdate = setInterval(() => {
+ if (countdown <= 0 || this.vr.turn != currentTurn)
+ {
+ clearInterval(clockUpdate);
+ if (countdown <= 0 && myTurn)
+ {
+ this.$refs["basegame"].endGame(
+ this.game.mycolor=="w" ? "0-1" : "1-0", "Time");
+ this.st.conn.send(JSON.stringify({
+ code: "timeover",
+ target: this.game.oppid,
+ }));
+ }
+ }
+ else
+ {
+ // TODO: with Vue 3, just do this.virtualClocks[colorIdx] = ppt(--countdown)
+ this.$set(this.virtualClocks, colorIdx, ppt(Math.max(0, --countdown)));
+ }
+ }, 1000);
+ },
+ // In case variants array was't loaded when game was retrieved
+ "st.variants": function(variantArray) {
+ if (!!this.game.vname && this.game.vname == "")
+ this.game.vname = variantArray.filter(v => v.id == this.game.vid)[0].name;
+ },
+ },
+ created: function() {
+ if (!!this.$route.params["id"])
+ {
+ this.gameRef.id = this.$route.params["id"];
+ this.gameRef.rid = this.$route.query["rid"];
+ this.loadGame();
+ }
+ // TODO: onopen, ask lastState informations + update observers and players status
+ const socketCloseListener = () => {
+ store.socketCloseListener(); //reinitialize connexion (in store.js)
+ this.st.conn.addEventListener('message', this.socketMessageListener);
+ this.st.conn.addEventListener('close', socketCloseListener);
+ };
+ this.st.conn.onmessage = this.socketMessageListener;
+ this.st.conn.onclose = socketCloseListener;
+ },
+ methods: {
+ socketMessageListener: function(msg) {
+ const data = JSON.parse(msg.data);
+ switch (data.code)
+ {
+ case "newmove":
+ // NOTE: next call will trigger processMove()
+ this.$refs["basegame"].play(data.move,
+ "receive", this.game.vname!="Dark" ? "animate" : null);
+ break;
+ case "pong": //received if we sent a ping (game still alive on our side)
+ {
+ this.oppConnected = true;
+ if (this.game.type == "live") //corr games are always complete
+ {
+ // Send our "last state" informations to opponent(s)
+ const L = this.game.moves.length;
+ this.st.conn.send(JSON.stringify({
+ code: "lastate",
+ target: this.game.oppid,
+ gameId: this.gameRef.id,
+ lastMove: (L>0 ? this.game.moves[L-1] : undefined),
+ score: this.game.score,
+ movesCount: L,
+ drawOffer: this.drawOffer,
+ clocks: this.game.clocks,
+ }));
+ }
+ break;
+ }
+ case "lastate": //got opponent infos about last move
+ {
+ const L = this.game.moves.length;
+ if (this.gameRef.id != data.gameId)
+ break; //games IDs don't match: nothing we can do...
+ // OK, opponent still in game (which might be over)
+ if (data.movesCount > L)
+ {
+ // Just got last move from him
+ this.$refs["basegame"].play(data.lastMove, "receive");
+ if (data.score != "*" && this.game.score == "*")
+ {
+ // Opponent resigned or aborted game, or accepted draw offer
+ // (this is not a stalemate or checkmate)
+ this.$refs["basegame"].endGame(data.score, "Opponent action");
+ }
+ this.game.clocks = data.clocks;
+ this.drawOffer = data.drawOffer;
+ }
+ else if (data.movesCount < L)
+ {
+ // We must tell last move to opponent
+ this.st.conn.send(JSON.stringify({
+ code: "lastate",
+ target: this.game.oppid,
+ gameId: this.gameRef.id,
+ lastMove: (L>0 ? this.game.moves[L-1] : undefined),
+ score: this.game.score,
+ movesCount: L,
+ drawOffer: this.drawOffer,
+ clocks: this.game.clocks,
+ }));
+ }
+ break;
+ }
+ case "resign":
+ this.$refs["basegame"].endGame(
+ this.game.mycolor=="w" ? "1-0" : "0-1", "Resign");
+ break;
+ case "timeover":
+ this.$refs["basegame"].endGame(
+ this.game.mycolor=="w" ? "1-0" : "0-1", "Time");
+ break;
+ case "abort":
+ this.$refs["basegame"].endGame("?", "Abort: " + data.msg);
+ break;
+ case "draw":
+ this.$refs["basegame"].endGame("1/2", "Mutual agreement");
+ break;
+ case "drawoffer":
+ this.drawOffer = "received";
+ break;
+ case "askfullgame":
+ // TODO: just give game; observers are listed here anyway:
+ // gameconnect?
+ break;
+ // TODO: drawaccepted (click draw button before sending move ==> draw offer in move)
+ // ==> on "newmove", check "drawOffer" field
+ // TODO: also use (dis)connect info to count online players?
+ case "gameconnect":
+ case "gamedisconnect":
+ const online = (data.code == "gameconnect");
+ // If this is an opponent ?
+ if (this.game.oppid == data.id)
+ this.oppConnected = true;
+ else
+ {
+ // Or an observer ?
+ if (!online)
+ delete this.people[data.id];
+ else
+ this.people[data.id] = data.name;
+ }
+ break;
+ }
+ },
+ offerDraw: function() {
+ // TODO: also for corr games
+ if (this.drawOffer == "received")
+ {
+ if (!confirm("Accept draw?"))
+ return;
+ this.st.conn.send(JSON.stringify({code:"draw", target:this.game.oppid}));
+ this.$refs["basegame"].endGame("1/2", "Mutual agreement");
+ }
+ else if (this.drawOffer == "sent")
+ this.drawOffer = "";
+ else
+ {
+ if (!confirm("Offer draw?"))
+ return;
+ this.st.conn.send(JSON.stringify({code:"drawoffer", target:this.game.oppid}));
+ }
+ },
+ // + conn handling: "draw" message ==> agree for draw (if we have "drawOffered" at true)
+ receiveDrawOffer: function() {
+ //if (...)
+ // TODO: ignore if preventDrawOffer is set; otherwise show modal box with option "prevent future offers"
+ // if accept: send message "draw"
+ },
+ abortGame: function(event) {
+ let modalBox = document.getElementById("modalAbort");
+ if (!event)
+ {
+ // First call show options:
+ modalBox.checked = true;
+ }
+ else
+ {
+ modalBox.checked = false; //decision made: box disappear
+ const message = event.target.innerText;
+ // Next line will trigger a "gameover" event, bubbling up till here
+ this.$refs["basegame"].endGame("?", "Abort: " + message);
+ this.st.conn.send(JSON.stringify({
+ code: "abort",
+ msg: message,
+ target: this.game.oppid,
+ }));
+ }
+ },
+ resign: function(e) {
+ if (!confirm("Resign the game?"))
+ return;
+ this.st.conn.send(JSON.stringify({
+ code: "resign",
+ target: this.game.oppid,
+ }));
+ // Next line will trigger a "gameover" event, bubbling up till here
+ this.$refs["basegame"].endGame(
+ this.game.mycolor=="w" ? "0-1" : "1-0", "Resign");
+ },
+ // 3 cases for loading a game:
+ // - from indexedDB (running or completed live game I play)
+ // - from server (one correspondance game I play[ed] or not)
+ // - from remote peer (one live game I don't play, finished or not)
+ loadGame: function(game) {
+ const afterRetrieval = async (game) => {
+ // NOTE: variants array might not be available yet, thus the two next lines
+ const variantCell = this.st.variants.filter(v => v.id == game.vid);
+ const vname = (variantCell.length > 0 ? variantCell[0].name : "");
+ if (!game.fen)
+ game.fen = game.fenStart; //game wasn't started
+ const gtype = (game.timeControl.indexOf('d') >= 0 ? "corr" : "live");
+ if (gtype == "corr")
+ {
+ // corr game: needs to compute the clocks + initime
+ //if (game.players[i].rtime < 0) initime = Date.now(), else compute,
+ //also using move.played fields
+ game.clocks = [-1, -1];
+ game.initime = [0, 0];
+ // TODO: compute clocks + initime
+ }
+ const tc = extractTime(game.timeControl);
+ // TODO: this is not really beautiful (uid on corr players...)
+ if (gtype == "corr" && game.players[0].color == "b")
+ [ game.players[0], game.players[1] ] = [ game.players[1], game.players[0] ];
+ const myIdx = game.players.findIndex(p => {
+ return p.sid == this.st.user.sid || p.uid == this.st.user.id;
+ });
+ if (game.clocks[0] < 0) //game unstarted
+ {
+ game.clocks = [tc.mainTime, tc.mainTime];
+ game.initime[0] = Date.now();
+ if (myIdx >= 0) //I play in this game
+ {
+ GameStorage.update(game.gameId,
+ {
+ clocks: game.clocks,
+ initime: game.initime,
+ });
+ }
+ }
+ const vModule = await import("@/variants/" + vname + ".js");
+ window.V = vModule.VariantRules;
+ this.vr = new V(game.fen);
+ this.game = Object.assign({},
+ game,
+ // NOTE: assign mycolor here, since BaseGame could also bs VS computer
+ {
+ type: gtype,
+ increment: tc.increment,
+ vname: vname,
+ mycolor: [undefined,"w","b"][myIdx+1],
+ // opponent sid not strictly required, but easier
+ oppid: (myIdx < 0 ? undefined : game.players[1-myIdx].sid),
+ }
+ );
+ if (!!this.game.oppid)
+ {
+ // Send ping to server (answer pong if players[s] are connected)
+ this.st.conn.send(JSON.stringify({code:"ping", target:this.game.oppid}));
+ }
+ };
+ if (!!game)
+ return afterRetrival(game);
+ if (!!this.gameRef.rid)
+ {
+ this.st.conn.send(JSON.stringify({code:"askfullgame", target:this.gameRef.rid}));
+ // TODO: just send a game request message to the remote player,
+ // and when receiving answer just call loadGame(received_game)
+ // + remote peer should have registered us as an observer
+ // (send moves updates + resign/abort/draw actions)
+ }
+ else
+ {
+ GameStorage.get(this.gameRef.id, async (game) => {
+ afterRetrieval(game);
+ });
+ }
+ },
+ // Post-process a move (which was just played)
+ processMove: function(move) {
+ if (!this.game.mycolor)
+ return; //I'm just an observer
+ // Update storage (corr or live)
+ const colorIdx = ["w","b"].indexOf(move.color);
+ // https://stackoverflow.com/a/38750895
+ const allowed_fields = ["appear", "vanish", "start", "end"];
+ const filtered_move = Object.keys(move)
+ .filter(key => allowed_fields.includes(key))
+ .reduce((obj, key) => {
+ obj[key] = move[key];
+ return obj;
+ }, {});
+ // Send move ("newmove" event) to opponent(s) (if ours)
+ let addTime = 0;
+ if (move.color == this.game.mycolor)
+ {
+ if (this.game.moves.length >= 2) //after first move
+ {
+ const elapsed = Date.now() - this.game.initime[colorIdx];
+ // elapsed time is measured in milliseconds
+ addTime = this.game.increment - elapsed/1000;
+ }
+ this.st.conn.send(JSON.stringify({
+ code: "newmove",
+ target: this.game.oppid,
+ move: Object.assign({}, filtered_move, {addTime: addTime}),
+ }));
+ }
+ else
+ addTime = move.addTime; //supposed transmitted
+ const nextIdx = ["w","b"].indexOf(this.vr.turn);
+ GameStorage.update(this.gameRef.id,
+ {
+ move: filtered_move,
+ fen: move.fen,
+ clocks: this.game.clocks.map((t,i) => i==colorIdx
+ ? this.game.clocks[i] + addTime
+ : this.game.clocks[i]),
+ initime: this.game.initime.map((t,i) => i==nextIdx
+ ? Date.now()
+ : this.game.initime[i]),
+ });
+ // Also update current game object:
+ this.game.moves.push(move);
+ this.game.fen = move.fen;
+ //TODO: just this.game.clocks[colorIdx] += addTime;
+ this.$set(this.game.clocks, colorIdx, this.game.clocks[colorIdx] + addTime);
+ this.game.initime[nextIdx] = Date.now();
+ },
+ // TODO: this update function should also work for corr games
+ gameOver: function(score) {
+ this.game.mode = "analyze";
+ GameStorage.update(this.gameRef.id, { score: score });
+ },
+ },
+};
+</script>
+
+<style lang="sass">
+// TODO
+</style>