X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=client%2Fsrc%2Fviews%2FGame.vue;h=6cb75f47339d9e4872217817fd31c01299706e74;hb=efdfb4c70f4a4391b8571726d924cdf58baba41c;hp=1c25688aab8505e9deb370ef1e87a2439ccba423;hpb=d263438699b50b97b60fa8112fbc1e030b41f771;p=vchess.git

diff --git a/client/src/views/Game.vue b/client/src/views/Game.vue
index 1c25688a..8f49c5d7 100644
--- a/client/src/views/Game.vue
+++ b/client/src/views/Game.vue
@@ -1,251 +1,867 @@
-<!-- TODO: component Game, + handle players + observers connect/disconnect
-  event = "gameconnect" ...etc
-  connect/disconnect with sid+name (ID not required); name slightly redundant but easier
-quand on arrive dans la partie, on poll les sids pour savoir qui est en ligne (ping)
-(éventuel échange lastate avec les connectés, pong ...etc)
-ensuite quand qqun se deco il suffit d'écouter "disconnect"
-pareil quand quelqu'un reco.
-(c'est assez rudimentaire et écoute trop de messages, mais dans un premier temps...)
-      // TODO: [in game] send move + elapsed time (in milliseconds); in case of "lastate" message too
-// TODO: if I'm an observer and player(s) disconnect/reconnect, how to find me ?
-//      onClick :: ask full game to remote player, and register as an observer in game
-//      (use gameId to communicate)
-//      on landing on game :: if gameId not found locally, check remotely
-//      ==> il manque un param dans game : "remoteId"
--->
 <template lang="pug">
-.row
-  .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
-    BaseGame(:game="game" :analyze="analyze"
-      :vr="vr" :fen-start="fenStart" :players="players" :mycolor="mycolor"
-      ref="basegame" @newmove="processMove")
-    .button-group(v-if="mode!='analyze'")
-      button(@click="offerDraw") Draw
-      button(@click="abortGame") Abort
-      button(@click="resign") Resign
-    div(v-if="mode=='corr'")
-      textarea(v-show="score=='*' && vr.turn==mycolor" v-model="corrMsg")
-      div(v-show="cursor>=0") {{ moves[cursor].message }}
+main
+  input#modalChat.modal(
+    type="checkbox"
+    @click="resetChatColor()"
+  )
+  div#chatWrap(
+    role="dialog"
+    data-checkbox="modalChat"
+  )
+    #chat.card
+      label.modal-close(for="modalChat")
+      #participants
+        span {{ Object.keys(people).length + " " + st.tr["participant(s):"] }} 
+        span(
+          v-for="p in Object.values(people)"
+          v-if="p.name"
+        )
+          | {{ p.name }} 
+        span.anonymous(v-if="Object.values(people).some(p => !p.name && p.id === 0)")
+          | + @nonymous
+      Chat(
+        :players="game.players"
+        :pastChats="game.chats"
+        :newChat="newChat"
+        @mychat="processChat"
+        @chatcleared="clearChat"
+      )
+  .row
+    #aboveBoard.col-sm-12.col-md-9.col-md-offset-3.col-lg-10.col-lg-offset-2
+      span.variant-cadence {{ game.cadence }}
+      span.variant-name {{ game.vname }}
+      button#chatBtn(onClick="window.doClick('modalChat')") Chat
+      #actions(v-if="game.score=='*'")
+        button(
+          @click="clickDraw()"
+          :class="{['draw-' + drawOffer]: true}"
+        )
+          | {{ st.tr["Draw"] }}
+        button(
+          v-if="!!game.mycolor"
+          @click="abortGame()"
+        )
+          | {{ st.tr["Abort"] }}
+        button(
+          v-if="!!game.mycolor"
+          @click="resign()"
+        )
+          | {{ st.tr["Resign"] }}
+      #playersInfo
+        p
+          span.name(:class="{connected: isConnected(0)}")
+            | {{ game.players[0].name || "@nonymous" }}
+          span.time(v-if="game.score=='*'") {{ virtualClocks[0] }}
+          span.split-names -
+          span.name(:class="{connected: isConnected(1)}")
+            | {{ game.players[1].name || "@nonymous" }}
+          span.time(v-if="game.score=='*'") {{ virtualClocks[1] }}
+  BaseGame(
+    ref="basegame"
+    :game="game"
+    @newmove="processMove"
+    @gameover="gameOver"
+  )
 </template>
 
 <script>
 import BaseGame from "@/components/BaseGame.vue";
-//import Chat from "@/components/Chat.vue";
-//import MoveList from "@/components/MoveList.vue";
+import Chat from "@/components/Chat.vue";
 import { store } from "@/store";
-import { GameStorage } from "@/utils/storage";
-
+import { GameStorage } from "@/utils/gameStorage";
+import { ppt } from "@/utils/datetime";
+import { ajax } from "@/utils/ajax";
+import { extractTime } from "@/utils/timeControl";
+import { getRandString } from "@/utils/alea";
+import { processModalClick } from "@/utils/modalClick";
+import { getFullNotation } from "@/utils/notation";
+import { playMove, getFilteredMove } from "@/utils/playUndo";
+import { getScoreMessage } from "@/utils/scoring";
+import { ArrayFun } from "@/utils/array";
+import params from "@/parameters";
 export default {
-  name: 'my-game',
+  name: "my-game",
   components: {
     BaseGame,
+    Chat
   },
   // gameRef: to find the game in (potentially remote) storage
-  // mode: "live" or "corr" (correspondance game), or "analyze"
   data: function() {
     return {
       st: store.state,
-      gameRef: {id: "", rid: ""}, //given in URL (rid = remote ID)
-      game: null, //passed to BaseGame
-      drawOfferSent: false, //did I just ask for draw? (TODO: draw variables?)
-      people: [], //potential observers (TODO)
+      gameRef: {
+        // rid = remote (socket) ID
+        id: "",
+        rid: ""
+      },
+      game: {
+        // Passed to BaseGame
+        players: [{ name: "" }, { name: "" }],
+        chats: [],
+        rendered: false
+      },
+      virtualClocks: [0, 0], //initialized with true game.clocks
+      vr: null, //"variant rules" object initialized from FEN
+      drawOffer: "",
+      people: {}, //players + observers
+      onMygames: [], //opponents (or me) on "MyGames" page
+      lastate: undefined, //used if opponent send lastate before game is ready
+      repeat: {}, //detect position repetition
+      newChat: "",
+      conn: null,
+      connexionString: "",
+      // Related to (killing of) self multi-connects:
+      newConnect: {},
+      killed: {}
     };
   },
-  computed: {
-    analyze: function() {
-      return this.mode == "analyze";
-    },
-  },
   watch: {
-    '$route' (to, from) {
+    $route: function(to) {
       this.gameRef.id = to.params["id"];
       this.gameRef.rid = to.query["rid"];
       this.loadGame();
-    },
+    }
   },
+  // NOTE: some redundant code with Hall.vue (mostly related to people array)
   created: function() {
-    if (!!this.$route.params["id"])
-    {
-      this.gameRef.id = this.$route.params["id"];
-      this.gameRef.rid = this.$route.query["rid"];
-      this.loadGame();
-    }
-    // Poll all players except me (if I'm playing) to know online status.
-    // --> Send ping to server (answer pong if players[s] are connected)
-    if (!!this.gameRef.id)
-    {
-      this.players.forEach(p => {
-        if (p.sid != this.st.user.sid)
-          this.st.conn.send(JSON.stringify({code:"ping", oppid:p.sid}));
-      });
-    }
-    // TODO: how to know who is observing ? Send message to everyone with game ID ?
-    // and then just listen to (dis)connect events
-
-    // TODO: also handle "draw accepted" (use opponents array?)
-    // --> must give this info also when sending lastState...
-    // and, if all players agree then OK draw (end game ...etc)
-    const socketMessageListener = msg => {
+    // Always add myself to players' list
+    const my = this.st.user;
+    this.$set(this.people, my.sid, { id: my.id, name: my.name });
+    this.gameRef.id = this.$route.params["id"];
+    this.gameRef.rid = this.$route.query["rid"]; //may be undefined
+    // Initialize connection
+    this.connexionString =
+      params.socketUrl +
+      "/?sid=" +
+      this.st.user.sid +
+      "&tmpId=" +
+      getRandString() +
+      "&page=" +
+      encodeURIComponent(this.$route.path);
+    this.conn = new WebSocket(this.connexionString);
+    this.conn.onmessage = this.socketMessageListener;
+    this.conn.onclose = this.socketCloseListener;
+    // Socket init required before loading remote game:
+    const socketInit = callback => {
+      if (!!this.conn && this.conn.readyState == 1)
+        // 1 == OPEN state
+        callback();
+      else
+        // Socket not ready yet (initial loading)
+        // NOTE: it's important to call callback without arguments,
+        // otherwise first arg is Websocket object and loadGame fails.
+        this.conn.onopen = () => callback();
+    };
+    if (!this.gameRef.rid)
+      // Game stored locally or on server
+      this.loadGame(null, () => socketInit(this.roomInit));
+    else
+      // Game stored remotely: need socket to retrieve it
+      // NOTE: the callback "roomInit" will be lost, so we don't provide it.
+      // --> It will be given when receiving "fullgame" socket event.
+      socketInit(this.loadGame);
+  },
+  mounted: function() {
+    document
+      .getElementById("chatWrap")
+      .addEventListener("click", processModalClick);
+  },
+  beforeDestroy: function() {
+    this.send("disconnect");
+  },
+  methods: {
+    roomInit: function() {
+      // Notify the room only now that I connected, because
+      // messages might be lost otherwise (if game loading is slow)
+      this.send("connect");
+      this.send("pollclients");
+    },
+    send: function(code, obj) {
+      if (this.conn)
+        this.conn.send(JSON.stringify(Object.assign({ code: code }, obj)));
+    },
+    isConnected: function(index) {
+      const player = this.game.players[index];
+      // Is it me ?
+      if (this.st.user.sid == player.sid || this.st.user.id == player.uid)
+        return true;
+      // Try to find a match in people:
+      return (
+        (
+          player.sid &&
+          Object.keys(this.people).some(sid => sid == player.sid)
+        )
+        ||
+        (
+          player.uid &&
+          Object.values(this.people).some(p => p.id == player.uid)
+        )
+      );
+    },
+    resetChatColor: function() {
+      // TODO: this is called twice, once on opening an once on closing
+      document.getElementById("chatBtn").classList.remove("somethingnew");
+    },
+    processChat: function(chat) {
+      this.send("newchat", { data: chat });
+      // NOTE: anonymous chats in corr games are not stored on server (TODO?)
+      if (this.game.type == "corr" && this.st.user.id > 0)
+        GameStorage.update(this.gameRef.id, { chat: chat });
+    },
+    clearChat: function() {
+      // Nothing more to do if game is live (chats not recorded)
+      if (this.game.type == "corr") {
+        if (this.game.mycolor)
+          ajax("/chats", "DELETE", {gid: this.game.id});
+        this.game.chats = [];
+      }
+    },
+    // Notify turn after a new move (to opponent and me on MyGames page)
+    notifyTurn: function(sid) {
+      const player = this.people[sid];
+      const colorIdx = this.game.players.findIndex(
+        p => p.sid == sid || p.id == player.id);
+      const color = ["w","b"][colorIdx];
+      const yourTurn =
+        (
+          color == "w" &&
+          this.game.movesCount % 2 == 0
+        )
+        ||
+        (
+          color == "b" &&
+          this.game.movesCount % 2 == 1
+        );
+      this.send("turnchange", { target: sid, yourTurn: yourTurn });
+    },
+    socketMessageListener: function(msg) {
+      if (!this.conn) return;
       const data = JSON.parse(msg.data);
-      let L = undefined;
-      switch (data.code)
-      {
-        case "newmove":
-          // TODO: observer on dark games must see all board ? Or alternate ? (seems better)
-          // ...or just see nothing as on buho21
-          this.$refs["baseGame"].play(
-            data.move, this.vname!="Dark" ? "animate" : null);
-          break;
-        case "pong": //received if we sent a ping (game still alive on our side)
-          if (this.gameRef.id != data.gameId)
-            break; //games IDs don't match: the game is definitely over...
-          this.oppConnected = true;
-          // Send our "last state" informations to opponent(s)
-          L = this.vr.moves.length;
-          Object.keys(this.opponents).forEach(oid => {
-            this.conn.send(JSON.stringify({
-              code: "lastate",
-              oppid: oid,
-              gameId: this.gameRef.id,
-              lastMove: (L>0?this.vr.moves[L-1]:undefined),
-              movesCount: L,
-            }));
+      switch (data.code) {
+        case "pollclients":
+          data.sockIds.forEach(sid => {
+            if (sid != this.st.user.sid) {
+              this.send("askidentity", { target: sid });
+              // Ask potentially missed last state, if opponent and I play
+              if (
+                this.game.mycolor &&
+                this.game.type == "live" &&
+                this.game.score == "*" &&
+                this.game.players.some(p => p.sid == sid)
+              ) {
+                this.send("asklastate", { target: sid });
+              }
+            }
           });
           break;
-        // TODO: refactor this, because at 3 or 4 players we may have missed 2 or 3 moves
-        case "lastate": //got opponent infos about last move
-          L = this.vr.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 (this.score != "*")
-          {
-            // We finished the game (any result possible)
-            this.conn.send(JSON.stringify({
-              code: "lastate",
-              oppid: data.oppid,
-              gameId: this.gameRef.id,
-              score: this.score,
-            }));
-          }
-          else if (!!data.score) //opponent finished the game
-            this.endGame(data.score);
-          else if (data.movesCount < L)
-          {
-            // We must tell last move to opponent
-            this.conn.send(JSON.stringify({
-              code: "lastate",
-              oppid: this.opponent.id,
-              gameId: this.gameRef.id,
-              lastMove: this.vr.moves[L-1],
-              movesCount: L,
-            }));
+        case "connect":
+          if (!this.people[data.from]) {
+            this.newConnect[data.from] = true; //for self multi-connects tests
+            this.send("askidentity", { target: data.from });
           }
-          else if (data.movesCount > L) //just got last move from him
-            this.play(data.lastMove, "animate");
           break;
-        case "resign": //..you won!
-          this.endGame(this.mycolor=="w"?"1-0":"0-1");
+        case "disconnect":
+          this.$delete(this.people, data.from);
           break;
-        // TODO: also use (dis)connect info to count online players?
-        case "gameconnect":
-        case "gamedisconnect":
-          if (this.mode=="human")
+        case "mconnect": {
+          // TODO: from MyGames page : send mconnect message with the list of gid (live and corr)
+          // Either me (another tab) or opponent
+          const sid = data.from;
+          if (!this.onMygames.some(s => s == sid))
           {
-            const online = (data.code == "connect");
-            // If this is an opponent ?
-            if (!!this.opponents[data.id])
-              this.opponents[data.id].online = online;
-            else
-            {
-              // Or an observer ?
-              if (!online)
-                delete this.people[data.id];
-              else
-                this.people[data.id] = data.name;
-            }
+            this.onMygames.push(sid);
+            this.notifyTurn(sid); //TODO: this may require server ID (so, notify after receiving identity)
           }
           break;
-      }
-    };
-    const socketCloseListener = () => {
-      this.conn.addEventListener('message', socketMessageListener);
-      this.conn.addEventListener('close', socketCloseListener);
-    };
-    if (!!this.conn)
-    {
-      this.conn.onmessage = socketMessageListener;
-      this.conn.onclose = socketCloseListener;
-    }
-  },
-  // dans variant.js (plutôt room.js) conn gère aussi les challenges
-  // et les chats dans chat.js. Puis en webRTC, repenser tout ça.
-  methods: {
-    offerDraw: function() {
-      if (!confirm("Offer draw?"))
-        return;
-      // Stay in "draw offer sent" state until next move is played
-      this.drawOfferSent = true;
-      if (this.subMode == "corr")
-      {
-        // TODO: set drawOffer on in game (how ?)
-      }
-      else //live game
-      {
-        this.opponents.forEach(o => {
-          if (!!o.online)
-          {
-            try {
-              this.conn.send(JSON.stringify({code: "draw", oppid: o.id}));
-            } catch (INVALID_STATE_ERR) {
-              return;
+          if (!this.people[sid])
+            this.send("askidentity", { target: sid });
+        }
+        case "mdisconnect":
+          ArrayFun.remove(this.onMygames, sid => sid == data.from);
+          break;
+        case "killed":
+          // I logged in elsewhere:
+          this.conn = null;
+          alert(this.st.tr["New connexion detected: tab now offline"]);
+          break;
+        case "askidentity": {
+          // Request for identification
+          const me = {
+            // Decompose to avoid revealing email
+            name: this.st.user.name,
+            sid: this.st.user.sid,
+            id: this.st.user.id
+          };
+          this.send("identity", { data: me, target: data.from });
+          break;
+        }
+        case "identity": {
+          const user = data.data;
+          this.$set(this.people, user.sid, { name: user.name, id: user.id });
+          if (user.name) {
+            // If I multi-connect, kill current connexion if no mark (I'm older)
+            if (
+              this.newConnect[user.sid] &&
+              user.id > 0 &&
+              user.id == this.st.user.id &&
+              user.sid != this.st.user.sid
+            ) {
+              if (!this.killed[this.st.user.sid]) {
+                this.send("killme", { sid: this.st.user.sid });
+                this.killed[this.st.user.sid] = true;
+              }
             }
           }
-        });
+          delete this.newConnect[user.sid];
+          break;
+        }
+        case "askgame":
+          // Send current (live) game if not asked by any of the players
+          if (
+            this.game.type == "live" &&
+            this.game.players.every(p => p.sid != data.from[0])
+          ) {
+            const myGame = {
+              id: this.game.id,
+              fen: this.game.fen,
+              players: this.game.players,
+              vid: this.game.vid,
+              cadence: this.game.cadence,
+              score: this.game.score,
+              rid: this.st.user.sid //useful in Hall if I'm an observer
+            };
+            this.send("game", { data: myGame, target: data.from });
+          }
+          break;
+        case "askfullgame":
+          this.send("fullgame", { data: this.game, target: data.from });
+          break;
+        case "fullgame":
+          // Callback "roomInit" to poll clients only after game is loaded
+          let game = data.data;
+          // Move format isn't the same in storage and in browser,
+          // because of the 'addTime' field.
+          game.moves = game.moves.map(m => { return m.move || m; });
+          this.loadGame(game, this.roomInit);
+          break;
+        case "asklastate":
+          // Sending last state if I played a move or score != "*"
+          if (
+            (this.game.moves.length > 0 && this.vr.turn != this.game.mycolor) ||
+            this.game.score != "*" ||
+            this.drawOffer == "sent"
+          ) {
+            // Send our "last state" informations to opponent
+            const L = this.game.moves.length;
+            const myIdx = ["w", "b"].indexOf(this.game.mycolor);
+            const myLastate = {
+              // NOTE: lastMove (when defined) includes addTime
+              lastMove: L > 0 ? this.game.moves[L - 1] : undefined,
+              // Since we played a move (or abort or resign),
+              // only drawOffer=="sent" is possible
+              drawSent: this.drawOffer == "sent",
+              score: this.game.score,
+              movesCount: L,
+              initime: this.game.initime[1 - myIdx] //relevant only if I played
+            };
+            this.send("lastate", { data: myLastate, target: data.from });
+          }
+          break;
+        case "lastate": //got opponent infos about last move
+          this.lastate = data.data;
+          if (this.game.rendered)
+            // Game is rendered (Board component)
+            this.processLastate();
+          // Else: will be processed when game is ready
+          break;
+        case "newmove": {
+          const move = data.data;
+          if (move.cancelDrawOffer) {
+            // Opponent refuses draw
+            this.drawOffer = "";
+            // NOTE for corr games: drawOffer reset by player in turn
+            if (this.game.type == "live" && !!this.game.mycolor)
+              GameStorage.update(this.gameRef.id, { drawOffer: "" });
+          }
+          this.$refs["basegame"].play(
+            move.move,
+            "received",
+            null,
+            {addTime: move.addTime});
+          break;
+        }
+        case "resign":
+          const score = data.side == "b" ? "1-0" : "0-1";
+          const side = data.side == "w" ? "White" : "Black";
+          this.gameOver(score, side + " surrender");
+          break;
+        case "abort":
+          this.gameOver("?", "Stop");
+          break;
+        case "draw":
+          this.gameOver("1/2", data.data);
+          break;
+        case "drawoffer":
+          // NOTE: observers don't know who offered draw
+          this.drawOffer = "received";
+          break;
+        case "newchat":
+          this.newChat = data.data;
+          if (!document.getElementById("modalChat").checked)
+            document.getElementById("chatBtn").classList.add("somethingnew");
+          break;
       }
     },
-    // + 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"
+    socketCloseListener: function() {
+      this.conn = new WebSocket(this.connexionString);
+      this.conn.addEventListener("message", this.socketMessageListener);
+      this.conn.addEventListener("close", this.socketCloseListener);
     },
-    abortGame: function() {
-      if (!confirm("Abort the game?"))
-        return;
-      //+ bouton "abort" avec score == "?" + demander confirmation pour toutes ces actions,
-      //send message: "gameOver" avec score "?"
+    // lastate was received, but maybe game wasn't ready yet:
+    processLastate: function() {
+      const data = this.lastate;
+      this.lastate = undefined; //security...
+      const L = this.game.moves.length;
+      if (data.movesCount > L) {
+        // Just got last move from him
+        this.$refs["basegame"].play(
+          data.lastMove.move,
+          "received",
+          null,
+          {addTime: data.lastMove.addTime, initime: data.initime});
+      }
+      if (data.drawSent) this.drawOffer = "received";
+      if (data.score != "*") {
+        this.drawOffer = "";
+        if (this.game.score == "*") this.gameOver(data.score);
+      }
     },
-    resign: function(e) {
-      if (!confirm("Resign the game?"))
-        return;
-      if (this.mode == "human" && this.oppConnected(this.oppid))
-      {
-        try {
-          this.conn.send(JSON.stringify({code: "resign", oppid: this.oppid}));
-        } catch (INVALID_STATE_ERR) {
+    clickDraw: function() {
+      if (!this.game.mycolor) return; //I'm just spectator
+      if (["received", "threerep"].includes(this.drawOffer)) {
+        if (!confirm(this.st.tr["Accept draw?"])) return;
+        const message =
+          this.drawOffer == "received"
+            ? "Mutual agreement"
+            : "Three repetitions";
+        this.send("draw", { data: message });
+        this.gameOver("1/2", message);
+      } else if (this.drawOffer == "") {
+        // No effect if drawOffer == "sent"
+        if (this.game.mycolor != this.vr.turn) {
+          alert(this.st.tr["Draw offer only in your turn"]);
           return;
         }
+        if (!confirm(this.st.tr["Offer draw?"])) return;
+        this.drawOffer = "sent";
+        this.send("drawoffer");
+        GameStorage.update(this.gameRef.id, { drawOffer: this.game.mycolor });
       }
-      this.endGame(this.mycolor=="w"?"0-1":"1-0");
     },
-    // 4 cases for loading a game:
-    //  - from localStorage (one running game I play)
-    //  - from indexedDB (one completed live game)
+    abortGame: function() {
+      if (!this.game.mycolor || !confirm(this.st.tr["Terminate game?"])) return;
+      this.gameOver("?", "Stop");
+      this.send("abort");
+    },
+    resign: function() {
+      if (!this.game.mycolor || !confirm(this.st.tr["Resign the game?"]))
+        return;
+      this.send("resign", { data: this.game.mycolor });
+      const score = this.game.mycolor == "w" ? "0-1" : "1-0";
+      const side = this.game.mycolor == "w" ? "White" : "Black";
+      this.gameOver(score, side + " surrender");
+    },
+    // 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: async function() {
-      const game = GameStorage.get(this.gameRef);
-      this.game = game;
-      this.cursor = game.moves.length-1;
-      // TODO: lastMove must be in BaseGame, not here
-      this.lastMove = (game.moves.length > 0 ? game.moves[this.cursor] : null);
-      const vModule = await import("@/variants/" + game.vname + ".js");
-      window.V = vModule.VariantRules;
-    },
-    oppConnected: function(uid) {
-      return this.opponents.some(o => o.id == uid && o.online);
+    loadGame: function(game, callback) {
+      const afterRetrieval = async game => {
+        const vModule = await import("@/variants/" + game.vname + ".js");
+        window.V = vModule.VariantRules;
+        this.vr = new V(game.fen);
+        const gtype = game.cadence.indexOf("d") >= 0 ? "corr" : "live";
+        const tc = extractTime(game.cadence);
+        const myIdx = game.players.findIndex(p => {
+          return p.sid == this.st.user.sid || p.uid == this.st.user.id;
+        });
+        const mycolor = [undefined, "w", "b"][myIdx + 1]; //undefined for observers
+        if (!game.chats) game.chats = []; //live games don't have chat history
+        if (gtype == "corr") {
+          if (game.players[0].color == "b") {
+            // Adopt the same convention for live and corr games: [0] = white
+            [game.players[0], game.players[1]] = [
+              game.players[1],
+              game.players[0]
+            ];
+          }
+          // NOTE: clocks in seconds, initime in milliseconds
+          game.moves.sort((m1, m2) => m1.idx - m2.idx); //in case of
+          const L = game.moves.length;
+          if (game.score == "*") {
+            // Set clocks + initime
+            game.clocks = [tc.mainTime, tc.mainTime];
+            game.initime = [0, 0];
+            if (L >= 1) {
+              const gameLastupdate = game.moves[L-1].played;
+              game.initime[L % 2] = gameLastupdate;
+              if (L >= 2) {
+                game.clocks[L % 2] =
+                  tc.mainTime - (Date.now() - gameLastupdate) / 1000;
+              }
+            }
+          }
+          // Sort chat messages from newest to oldest
+          game.chats.sort((c1, c2) => {
+            return c2.added - c1.added;
+          });
+          if (myIdx >= 0 && game.score == "*" && game.chats.length > 0) {
+            // Did a chat message arrive after my last move?
+            let dtLastMove = 0;
+            if (L == 1 && myIdx == 0)
+              dtLastMove = game.moves[0].played;
+            else if (L >= 2) {
+              if (L % 2 == 0) {
+                // It's now white turn
+                dtLastMove = game.moves[L-1-(1-myIdx)].played;
+              } else {
+                // Black turn:
+                dtLastMove = game.moves[L-1-myIdx].played;
+              }
+            }
+            if (dtLastMove < game.chats[0].added)
+              document.getElementById("chatBtn").classList.add("somethingnew");
+          }
+          // Now that we used idx and played, re-format moves as for live games
+          game.moves = game.moves.map(m => m.squares);
+        }
+        if (gtype == "live" && game.clocks[0] < 0) {
+          // Game is unstarted
+          game.clocks = [tc.mainTime, tc.mainTime];
+          if (game.score == "*") {
+            game.initime[0] = Date.now();
+            if (myIdx >= 0) {
+              // I play in this live game; corr games don't have clocks+initime
+              GameStorage.update(game.id, {
+                clocks: game.clocks,
+                initime: game.initime
+              });
+            }
+          }
+        }
+        if (game.drawOffer) {
+          if (game.drawOffer == "t")
+            // Three repetitions
+            this.drawOffer = "threerep";
+          else {
+            // Draw offered by any of the players:
+            if (myIdx < 0) this.drawOffer = "received";
+            else {
+              // I play in this game:
+              if (
+                (game.drawOffer == "w" && myIdx == 0) ||
+                (game.drawOffer == "b" && myIdx == 1)
+              )
+                this.drawOffer = "sent";
+              else this.drawOffer = "received";
+            }
+          }
+        }
+        this.repeat = {}; //reset: scan past moves' FEN:
+        let repIdx = 0;
+        let vr_tmp = new V(game.fenStart);
+        let curTurn = "n";
+        game.moves.forEach(m => {
+          playMove(m, vr_tmp);
+          const fenIdx = vr_tmp.getFen().replace(/ /g, "_");
+          this.repeat[fenIdx] = this.repeat[fenIdx]
+            ? this.repeat[fenIdx] + 1
+            : 1;
+        });
+        if (this.repeat[repIdx] >= 3) this.drawOffer = "threerep";
+        this.game = Object.assign(
+          // NOTE: assign mycolor here, since BaseGame could also be VS computer
+          {
+            type: gtype,
+            increment: tc.increment,
+            mycolor: mycolor,
+            // opponent sid not strictly required (or available), but easier
+            // at least oppsid or oppid is available anyway:
+            oppsid: myIdx < 0 ? undefined : game.players[1 - myIdx].sid,
+            oppid: myIdx < 0 ? undefined : game.players[1 - myIdx].uid,
+            movesCount: game.moves.length
+          },
+          game,
+        );
+        this.re_setClocks();
+        this.$nextTick(() => {
+          this.game.rendered = true;
+          // Did lastate arrive before game was rendered?
+          if (this.lastate) this.processLastate();
+        });
+        if (callback) callback();
+      };
+      if (game) {
+        afterRetrieval(game);
+        return;
+      }
+      if (this.gameRef.rid) {
+        // Remote live game: forgetting about callback func... (TODO: design)
+        this.send("askfullgame", { target: this.gameRef.rid });
+      } else {
+        // Local or corr game
+        // NOTE: afterRetrieval() is never called if game not found
+        GameStorage.get(this.gameRef.id, afterRetrieval);
+      }
     },
-  },
+    re_setClocks: function() {
+      if (this.game.movesCount < 2 || this.game.score != "*") {
+        // 1st move not completed yet, or game over: freeze time
+        this.virtualClocks = this.game.clocks.map(s => ppt(s));
+        return;
+      }
+      const currentTurn = this.vr.turn;
+      const currentMovesCount = this.game.moves.length;
+      const colorIdx = ["w", "b"].indexOf(currentTurn);
+      let countdown =
+        this.game.clocks[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(this.game.clocks[i] - removeTime);
+      });
+      let clockUpdate = setInterval(() => {
+        if (
+          countdown < 0 ||
+          this.game.moves.length > currentMovesCount ||
+          this.game.score != "*"
+        ) {
+          clearInterval(clockUpdate);
+          if (countdown < 0)
+            this.gameOver(
+              currentTurn == "w" ? "0-1" : "1-0",
+              "Time"
+            );
+        } else
+          this.$set(
+            this.virtualClocks,
+            colorIdx,
+            ppt(Math.max(0, --countdown))
+          );
+      }, 1000);
+    },
+    // Post-process a (potentially partial) move (which was just played in BaseGame)
+    // TODO?: wait for AJAX return to finish processing a move,
+    //   and for opponent pingback in case of live game : if none received after e.g. 500ms, re-send newmove
+    //   ...and provide move index with newmove event for basic check after receiving
+    processMove: function(move, data) {
+      const moveCol = this.vr.turn;
+      const doProcessMove = () => {
+        const colorIdx = ["w", "b"].indexOf(moveCol);
+        const nextIdx = 1 - colorIdx;
+        if (this.game.mycolor) {
+          // NOTE: 'var' to see that variable outside this block
+          var filtered_move = getFilteredMove(move);
+        }
+        // Send move ("newmove" event) to people in the room (if our turn)
+        let addTime = (data && this.game.type == "live") ? data.addTime : 0;
+        if (moveCol == this.game.mycolor) {
+          if (this.drawOffer == "received")
+            // I refuse draw
+            this.drawOffer = "";
+          // 'addTime' is irrelevant for corr games:
+          if (this.game.type == "live" && this.game.movesCount >= 2) {
+            const elapsed = Date.now() - this.game.initime[colorIdx];
+            // elapsed time is measured in milliseconds
+            addTime = this.game.increment - elapsed / 1000;
+          }
+          const sendMove = {
+            move: filtered_move,
+            addTime: addTime, //undefined for corr games
+            cancelDrawOffer: this.drawOffer == "",
+            // Players' SID required for /mygames page
+            // TODO: precompute and add this field to game object?
+            players: this.game.players.map(p => p.sid)
+          };
+          this.send("newmove", { data: sendMove });
+        }
+        // Update current game object (no need for moves stack):
+        playMove(move, this.vr);
+        this.game.movesCount++;
+        // TODO: notifyTurn
+        // (add)Time indication: useful in case of lastate infos requested
+        this.game.moves.push(this.game.type == "live"
+          ? {move:move, addTime:addTime}
+          : move);
+        this.game.fen = this.vr.getFen();
+        if (this.game.type == "live") this.game.clocks[colorIdx] += addTime;
+        // In corr games, just reset clock to mainTime:
+        else this.game.clocks[colorIdx] = extractTime(this.game.cadence).mainTime;
+        // data.initime is set only when I receive a "lastate" move from opponent
+        this.game.initime[nextIdx] = (data && data.initime) ? data.initime : Date.now();
+        this.re_setClocks();
+        // If repetition detected, consider that a draw offer was received:
+        const fenObj = V.ParseFen(this.game.fen);
+        let repIdx = fenObj.position + "_" + fenObj.turn;
+        if (fenObj.flags) repIdx += "_" + fenObj.flags;
+        this.repeat[repIdx] = this.repeat[repIdx] ? this.repeat[repIdx] + 1 : 1;
+        if (this.repeat[repIdx] >= 3) this.drawOffer = "threerep";
+        else if (this.drawOffer == "threerep") this.drawOffer = "";
+        // Since corr games are stored at only one location, update should be
+        // done only by one player for each move:
+        if (
+          this.game.mycolor &&
+          (this.game.type == "live" || moveCol == this.game.mycolor)
+        ) {
+          let drawCode = "";
+          switch (this.drawOffer) {
+            case "threerep":
+              drawCode = "t";
+              break;
+            case "sent":
+              drawCode = this.game.mycolor;
+              break;
+            case "received":
+              drawCode = V.GetOppCol(this.game.mycolor);
+              break;
+          }
+          if (this.game.type == "corr") {
+            GameStorage.update(this.gameRef.id, {
+              fen: this.game.fen,
+              move: {
+                squares: filtered_move,
+                played: Date.now(),
+                idx: this.game.moves.length - 1
+              },
+              // Code "n" for "None" to force reset (otherwise it's ignored)
+              drawOffer: drawCode || "n"
+            });
+          }
+          else {
+            // Live game:
+            GameStorage.update(this.gameRef.id, {
+              fen: this.game.fen,
+              move: filtered_move,
+              clocks: this.game.clocks,
+              initime: this.game.initime,
+              drawOffer: drawCode
+            });
+          }
+        }
+      };
+      if (this.game.type == "corr" && moveCol == this.game.mycolor) {
+        setTimeout(() => {
+          if (
+            !confirm(
+              this.st.tr["Move played:"] +
+                " " +
+                getFullNotation(move) +
+                "\n" +
+                this.st.tr["Are you sure?"]
+            )
+          ) {
+            this.$refs["basegame"].cancelLastMove();
+            return;
+          }
+          doProcessMove();
+        // Let small time to finish drawing current move attempt:
+        }, 500);
+      }
+      else doProcessMove();
+    },
+    gameOver: function(score, scoreMsg) {
+      this.game.score = score;
+      this.$set(this.game, "scoreMsg", scoreMsg || getScoreMessage(score));
+      const myIdx = this.game.players.findIndex(p => {
+        return p.sid == this.st.user.sid || p.uid == this.st.user.id;
+      });
+      if (myIdx >= 0) {
+        // OK, I play in this game
+        GameStorage.update(this.gameRef.id, {
+          score: score,
+          scoreMsg: scoreMsg
+        });
+        // Notify the score to main Hall. TODO: only one player (currently double send)
+        this.send("result", { gid: this.game.id, score: score });
+      }
+    }
+  }
 };
 </script>
+
+<style lang="sass" scoped>
+.connected
+  background-color: lightgreen
+
+#participants
+  margin-left: 5px
+
+.anonymous
+  color: grey
+  font-style: italic
+
+#playersInfo > p
+  margin: 0
+
+@media screen and (min-width: 768px)
+  #actions
+    width: 300px
+@media screen and (max-width: 767px)
+  .game
+    width: 100%
+
+#actions
+  display: inline-block
+  margin: 0
+  button
+    display: inline-block
+    margin: 0
+
+@media screen and (max-width: 767px)
+  #aboveBoard
+    text-align: center
+@media screen and (min-width: 768px)
+  #aboveBoard
+    margin-left: 30%
+
+.variant-cadence
+  padding-right: 10px
+
+.variant-name
+  font-weight: bold
+  padding-right: 10px
+
+.name
+  font-size: 1.5rem
+  padding: 1px
+
+.time
+  font-size: 2rem
+  display: inline-block
+  margin-left: 10px
+
+.split-names
+  display: inline-block
+  margin: 0 15px
+
+#chat
+  padding-top: 20px
+  max-width: 767px
+  border: none;
+
+#chatBtn
+  margin: 0 10px 0 0
+
+.draw-sent, .draw-sent:hover
+  background-color: lightyellow
+
+.draw-received, .draw-received:hover
+  background-color: lightgreen
+
+.draw-threerep, .draw-threerep:hover
+  background-color: #e4d1fc
+
+.somethingnew
+  background-color: #c5fefe
+</style>