From 41cb9b940084d6f56351a772f0340ebf0bc8d1bc Mon Sep 17 00:00:00 2001
From: Benjamin Auder <benjamin.auder@somewhere>
Date: Wed, 22 Jan 2020 12:33:57 +0100
Subject: [PATCH] Some changes to the logic in Rules.vue: weird behavior, TODO

---
 client/src/App.vue                     |  3 +-
 client/src/base_rules.js               |  5 ++-
 client/src/components/BaseGame.vue     |  5 ++-
 client/src/components/Board.vue        |  4 +-
 client/src/components/ComputerGame.vue | 61 +++++++++++++++++---------
 client/src/components/GameList.vue     |  1 +
 client/src/router.js                   |  3 --
 client/src/views/Rules.vue             | 27 ++++++++----
 8 files changed, 70 insertions(+), 39 deletions(-)

diff --git a/client/src/App.vue b/client/src/App.vue
index e06a2fef..84f4b51e 100644
--- a/client/src/App.vue
+++ b/client/src/App.vue
@@ -22,8 +22,7 @@
                 | {{ st.tr["Variants"] }}
               router-link(to="/mygames")
                 | {{ st.tr["My games"] }}
-              // TODO: parametric URL, "forumURL"
-              a(href="https://forum.vchess.club")
+              a(href="https://groups.google.com/forum/#!forum/vchess-club")
                 | {{ st.tr["Forum"] }}
             #rightMenu
               .clickable(onClick="doClick('modalUser')")
diff --git a/client/src/base_rules.js b/client/src/base_rules.js
index 5fb00277..169fb2d9 100644
--- a/client/src/base_rules.js
+++ b/client/src/base_rules.js
@@ -192,7 +192,7 @@ export const ChessRules = class ChessRules
     // Argument is a move:
     const move = moveOrSquare;
     const [sx,sy,ex] = [move.start.x,move.start.y,move.end.x];
-    // TODO: next conditions are first for Atomic, and last for Checkered
+    // NOTE: next conditions are first for Atomic, and last for Checkered
     if (move.appear.length > 0 && Math.abs(sx - ex) == 2
       && move.appear[0].p == V.PAWN && ["w","b"].includes(move.appear[0].c))
     {
@@ -1128,7 +1128,6 @@ export const ChessRules = class ChessRules
   // Search depth: 2 for high branching factor, 4 for small (Loser chess, eg.)
   static get SEARCH_DEPTH() { return 3; }
 
-  // Assumption: at least one legal move
   // NOTE: works also for extinction chess because depth is 3...
   getComputerMove()
   {
@@ -1137,6 +1136,8 @@ export const ChessRules = class ChessRules
     // Some variants may show a bigger moves list to the human (Switching),
     // thus the argument "computer" below (which is generally ignored)
     let moves1 = this.getAllValidMoves("computer");
+    if (moves1.length == 0) //TODO: this situation should not happen
+      return null;
 
     // Can I mate in 1 ? (for Magnetic & Extinction)
     for (let i of shuffle(ArrayFun.range(moves1.length)))
diff --git a/client/src/components/BaseGame.vue b/client/src/components/BaseGame.vue
index 3b15742d..f10420d7 100644
--- a/client/src/components/BaseGame.vue
+++ b/client/src/components/BaseGame.vue
@@ -59,6 +59,9 @@ export default {
     "game.fenStart": function() {
       this.re_setVariables();
     },
+    "game.score": function() {
+      this.score = this.game.score;
+    },
   },
   computed: {
     showMoves: function() {
@@ -69,7 +72,7 @@ export default {
       return this.game.vname != "Dark" || this.score != "*";
     },
     analyze: function() {
-      return this.game.mode == "analyze" || this.game.score != "*";
+      return this.game.mode == "analyze" || this.score != "*";
     },
   },
   created: function() {
diff --git a/client/src/components/Board.vue b/client/src/components/Board.vue
index f97a2c5a..4da64271 100644
--- a/client/src/components/Board.vue
+++ b/client/src/components/Board.vue
@@ -370,6 +370,8 @@ export default {
 .reserve-row-1
   margin-bottom: 15px
 
+// NOTE: no variants with reserve of size != 8
+
 div.board
   float: left
   height: 0
@@ -388,8 +390,6 @@ div.board11
   width: 9.09%
   padding-bottom: 9.1%
 
-// NOTE: no variants with reserve of size != 8
-
 .game
   width: 80vh
   margin: 0 auto
diff --git a/client/src/components/ComputerGame.vue b/client/src/components/ComputerGame.vue
index 9f8e1a30..5b04cd8c 100644
--- a/client/src/components/ComputerGame.vue
+++ b/client/src/components/ComputerGame.vue
@@ -8,10 +8,10 @@
 <script>
 import BaseGame from "@/components/BaseGame.vue";
 import { store } from "@/store";
-import Worker from 'worker-loader!@/playCompMove';
+import Worker from "worker-loader!@/playCompMove";
 
 export default {
-  name: 'my-computer-game',
+  name: "my-computer-game",
   components: {
     BaseGame,
   },
@@ -21,47 +21,64 @@ export default {
   data: function() {
     return {
       st: store.state,
-      game: { },
+      game: {},
       vr: null,
       // Web worker to play computer moves without freezing interface:
       timeStart: undefined, //time when computer starts thinking
-      lockCompThink: false, //to avoid some ghost moves
+      compThink: false, //avoid asking a new move while one is being searched
       compWorker: null,
     };
   },
   watch: {
     "gameInfo.fen": function() {
-      // (Security) No effect if a computer move is in progress:
-      if (this.lockCompThink)
-        return this.$emit("computer-think");
       this.launchGame();
     },
-    "gameInfo.userStop": function() {
-      if (this.gameInfo.userStop)
+    "gameInfo.score": function(newScore) {
+      if (newScore != "*")
       {
-        // User stopped the game: unknown result
+        this.game.score = newScore; //user action
         this.game.mode = "analyze";
+        if (!this.compThink)
+          this.$emit("game-stopped"); //otherwise wait for comp
       }
     },
   },
   // Modal end of game, and then sub-components
   created: function() {
-    // Computer moves web worker logic: (TODO: also for observers in HH games ?)
-    this.compWorker = new Worker(); //'/javascripts/playCompMove.js'),
+    // Computer moves web worker logic:
+    this.compWorker = new Worker();
     this.compWorker.onmessage = e => {
-      this.lockCompThink = true; //to avoid some ghost moves
       let compMove = e.data;
+      if (!compMove)
+        return; //after game ends, no more moves, nothing to do
       if (!Array.isArray(compMove))
         compMove = [compMove]; //to deal with MarseilleRules
       // Small delay for the bot to appear "more human"
-      const delay = Math.max(500-(Date.now()-this.timeStart), 0);
+// TODO: debug delay, 2000 --> 0
+      const delay = 2000 + Math.max(500-(Date.now()-this.timeStart), 0);
+console.log("GOT MOVE: " + this.compThink);
       setTimeout(() => {
+        // NOTE: Dark and 2-moves are incompatible
         const animate = (this.gameInfo.vname != "Dark");
         this.$refs.basegame.play(compMove[0], animate);
+        const waitEndOfAnimation = () => {
+          // 250ms = length of animation (TODO: some constant somewhere)
+          setTimeout( () => {
+console.log("RESET: " + this.compThink);
+            this.compThink = false;
+            if (this.game.score != "*") //user action
+              this.$emit("game-stopped");
+          }, animate ? 250 : 0);
+        };
         if (compMove.length == 2)
-          setTimeout( () => { this.$refs.basegame.play(compMove[1], animate); }, 750);
-        else //250 == length of animation (TODO: should be a constant somewhere)
-          setTimeout( () => this.lockCompThink = false, 250);
+        {
+          setTimeout( () => {
+            this.$refs.basegame.play(compMove[1], animate);
+            waitEndOfAnimation();
+          }, 750);
+        }
+        else
+          waitEndOfAnimation();
       }, delay);
     }
     if (!!this.gameInfo.fen)
@@ -77,10 +94,10 @@ export default {
       this.compWorker.postMessage(["init",this.gameInfo.fen]);
       this.vr = new V(this.gameInfo.fen);
       const mycolor = (Math.random() < 0.5 ? "w" : "b");
-      let players = ["Myself","Computer"];
+      let players = [{name:"Myself"},{name:"Computer"}];
       if (mycolor == "b")
         players = players.reverse();
-      // NOTE: (TODO?) fen and fenStart are redundant in game object
+      // NOTE: fen and fenStart are redundant in game object
       this.game = Object.assign({},
         this.gameInfo,
         {
@@ -95,9 +112,10 @@ export default {
     },
     playComputerMove: function() {
       this.timeStart = Date.now();
+      this.compThink = true;
+console.log("ASK MOVE (SET TRUE): " + this.compThink);
       this.compWorker.postMessage(["askmove"]);
     },
-    // TODO: do not process if game is over (check score ?)
     processMove: function(move) {
       // Send the move to web worker (including his own moves)
       this.compWorker.postMessage(["newmove",move]);
@@ -109,8 +127,9 @@ export default {
       }
     },
     gameOver: function(score) {
-      // Just switch to analyze mode: no user action can set score
+      this.game.score = score;
       this.game.mode = "analyze";
+      this.$emit("game-over", score); //bubble up to Rules.vue
     },
   },
 };
diff --git a/client/src/components/GameList.vue b/client/src/components/GameList.vue
index 2b7f6573..bf9c8ffc 100644
--- a/client/src/components/GameList.vue
+++ b/client/src/components/GameList.vue
@@ -6,6 +6,7 @@ table
     th Black
     th Time control
     th(v-if="showResult") Result
+  // TODO: show my games first (st.user.id or sid)
   tr(v-for="g in games" @click="$emit('show-game',g)")
     td {{ g.vname }}
     td {{ g.players[0].name || "@nonymous" }}
diff --git a/client/src/router.js b/client/src/router.js
index 26bdee94..a4d32369 100644
--- a/client/src/router.js
+++ b/client/src/router.js
@@ -86,9 +86,6 @@ router.beforeEach((to, from, next) => {
     store.state.conn.send(JSON.stringify({code: "pagechange", page: to.path}));
   }
   next();
-  // TODO?: redirect to current game (through GameStorage.getCurrent()) if any?
-  // (and if the URL doesn't already match it) (use next("/game/GID"))
-  //https://router.vuejs.org/guide/advanced/navigation-guards.html#global-before-guards
 });
 
 export default router;
diff --git a/client/src/views/Rules.vue b/client/src/views/Rules.vue
index f196e355..c77294ff 100644
--- a/client/src/views/Rules.vue
+++ b/client/src/views/Rules.vue
@@ -2,16 +2,17 @@
 .row
   .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
     .button-group
-      button(@click="display='rules'") Read the rules
+      button(@click="clickReadRules") Read the rules
       button(v-show="!gameInProgress" @click="() => startGame('auto')")
         | Observe a sample game
       button(v-show="!gameInProgress" @click="() => startGame('versus')")
         | Beat the computer!
-      button(v-show="gameInProgress" @click="stopGame")
+      button(v-show="gameInProgress" @click="() => stopGame()")
         | Stop game
     .section-content(v-show="display=='rules'" v-html="content")
     ComputerGame(v-show="display=='computer'" :game-info="gameInfo"
-      @computer-think="gameInProgress=false" @game-over="stopGame")
+      @computer-think="gameInProgress=false" @game-over="stopGame"
+      @game-stopped="gameStopped")
 </template>
 
 <script>
@@ -35,7 +36,7 @@ export default {
         vname: "_unknown",
         mode: "versus",
         fen: "",
-        userStop: false,
+        score: "*",
       }
     };
   },
@@ -49,6 +50,12 @@ export default {
     this.tryChangeVariant(this.$route.params["vname"]);
   },
   methods: {
+    clickReadRules: function() {
+      if (this.display != "rules")
+        this.display = "rules";
+      else if (this.gameInProgress)
+        this.display = "computer";
+    },
     parseFen(fen) {
       const fenParts = fen.split(" ");
       return {
@@ -83,14 +90,18 @@ export default {
       this.gameInProgress = true;
       this.display = "computer";
       this.gameInfo.mode = mode;
-      this.gameInfo.userStop = false;
+      this.gameInfo.score = "*";
       this.gameInfo.fen = V.GenRandInitFen();
     },
-    stopGame: function() {
-      this.gameInProgress = false;
-      this.gameInfo.userStop = true;
+    // user is willing to stop the game:
+    stopGame: function(score) {
+      this.gameInfo.score = score || "?";
       this.gameInfo.mode = "analyze";
     },
+    // The game is effectively stopped:
+    gameStopped: function() {
+      this.gameInProgress = false;
+    },
   },
 };
 </script>
-- 
2.44.0