Experimental fix attempt in Board.vue (bad behavior on smartphones)
[vchess.git] / client / src / components / Board.vue
index 5163231..0f6bae3 100644 (file)
@@ -1,43 +1,57 @@
 <script>
-// This can work for squared boards (2 or 4 players), with some adaptations (TODO)
-// TODO: for 3 players, write a "board3.js"
+import { getSquareId, getSquareFromId } from "@/utils/squareId";
+import { ArrayFun } from "@/utils/array";
+import { store } from "@/store";
 export default {
   name: 'my-board',
   // Last move cannot be guessed from here, and is required to highlight squares
   // vr: object to check moves, print board...
-  // mode: HH, HC or analyze
-  // userColor: for mode HH or HC
-  props: ["vr","lastMove","mode","orientation","userColor"],
+  // userColor is left undefined for an external observer
+  props: ["vr","lastMove","analyze","incheck","orientation","userColor","vname"],
   data: function () {
     return {
-      hints: (!localStorage["hints"] ? true : localStorage["hints"] === "1"),
-      bcolor: localStorage["bcolor"] || "lichess", //lichess, chesscom or chesstempo
       possibleMoves: [], //filled after each valid click/dragstart
       choices: [], //promotion pieces, or checkered captures... (as moves)
       selectedPiece: null, //moving piece (or clicked piece)
-      incheck: [],
       start: {}, //pixels coordinates + id of starting square (click or drag)
+      settings: store.state.settings,
     };
   },
   render(h) {
     if (!this.vr)
-      return;
+    {
+      // Return empty div of class 'game' to avoid error when setting size
+      return h("div",
+        {
+          "class": {
+            "game": true,
+          },
+        });
+    }
     const [sizeX,sizeY] = [V.size.x,V.size.y];
     // Precompute hints squares to facilitate rendering
-    let hintSquares = doubleArray(sizeX, sizeY, false);
+    let hintSquares = ArrayFun.init(sizeX, sizeY, false);
     this.possibleMoves.forEach(m => { hintSquares[m.end.x][m.end.y] = true; });
     // Also precompute in-check squares
-    let incheckSq = doubleArray(sizeX, sizeY, false);
+    let incheckSq = ArrayFun.init(sizeX, sizeY, false);
     this.incheck.forEach(sq => { incheckSq[sq[0]][sq[1]] = true; });
-    const squareWidth = 40; //TODO: compute this
+
+    let boardElt = document.querySelector(".game");
+    const squareWidth = (!!boardElt
+      ? boardElt.offsetWidth / sizeY
+      : 40); //arbitrary value (not relevant)
+    const offset = (!!boardElt
+      ? [boardElt.offsetTop, boardElt.offsetLeft]
+      : [0, 0]);
     const choices = h(
       'div',
       {
         attrs: { "id": "choices" },
         'class': { 'row': true },
         style: {
-          "display": this.choices.length>0?"block":"none",
-          "top": "-" + ((sizeY/2)*squareWidth+squareWidth/2) + "px",
+          "display": (this.choices.length > 0 ? "block" : "none"),
+          "top": (offset[0] + (sizeY/2)*squareWidth-squareWidth/2) + "px",
+          "left": (offset[1] + squareWidth*(sizeY - this.choices.length)/2) + "px",
           "width": (this.choices.length * squareWidth) + "px",
           "height": squareWidth + "px",
         },
@@ -62,7 +76,7 @@ export default {
               on: {
                 "click": e => { this.play(m); this.choices=[]; },
                 // NOTE: add 'touchstart' event to fix a problem on smartphones
-                "touchstart": e => { this.play(m); this.choices=[]; },
+                //"touchstart": e => { this.play(m); this.choices=[]; },
               },
             })
           ]
@@ -71,7 +85,7 @@ export default {
     );
     // Create board element (+ reserves if needed by variant or mode)
     const lm = this.lastMove;
-    const showLight = this.hints && variant.name != "Dark";
+    const showLight = this.settings.highlight && this.vname != "Dark";
     const gameDiv = h(
       'div',
       {
@@ -93,9 +107,9 @@ export default {
           [...Array(sizeY).keys()].map(j => {
             let cj = (this.orientation=='w' ? j : sizeY-j-1);
             let elems = [];
-            if (this.vr.board[ci][cj] != V.EMPTY && (variant.name!="Dark"
-              || this.gameOver || this.mode == "analyze"
-              || this.vr.enlightened[this.userColor][ci][cj]))
+            if (this.vr.board[ci][cj] != V.EMPTY && (this.vname!="Dark"
+              || this.analyze || (!!this.userColor
+                && this.vr.enlightened[this.userColor][ci][cj])))
             {
               elems.push(
                 h(
@@ -114,7 +128,7 @@ export default {
                 )
               );
             }
-            if (this.hints && hintSquares[ci][cj])
+            if (this.settings.hints && hintSquares[ci][cj])
             {
               elems.push(
                 h(
@@ -138,10 +152,10 @@ export default {
                   ['board'+sizeY]: true,
                   'light-square': (i+j)%2==0,
                   'dark-square': (i+j)%2==1,
-                  [this.bcolor]: true,
-                  'in-shadow': variant.name=="Dark" && !this.gameOver
-                    && this.mode != "analyze"
-                    && !this.vr.enlightened[this.userColor][ci][cj],
+                  [this.settings.bcolor]: true,
+                  'in-shadow': this.vname=="Dark" && !this.analyze
+                    && (!this.userColor
+                      || !this.vr.enlightened[this.userColor][ci][cj]),
                   'highlight': showLight && !!lm && lm.end.x == ci && lm.end.y == cj,
                   'incheck': showLight && incheckSq[ci][cj],
                 },
@@ -155,10 +169,11 @@ export default {
         );
       })
     );
+    const playingColor = this.userColor || "w"; //default for an observer
     let elementArray = [choices, gameDiv];
     if (!!this.vr.reserve)
     {
-      const shiftIdx = (this.userColor=="w" ? 0 : 1);
+      const shiftIdx = (playingColor=="w" ? 0 : 1);
       let myReservePiecesArray = [];
       for (let i=0; i<V.RESERVE_PIECES.length; i++)
       {
@@ -173,17 +188,17 @@ export default {
             'class': {"piece":true, "reserve":true},
             attrs: {
               "src": "/images/pieces/" +
-                this.vr.getReservePpath(this.userColor,i) + ".svg",
+                this.vr.getReservePpath(playingColor,i) + ".svg",
             }
           }),
           h('sup',
             {"class": { "reserve-count": true } },
-            [ this.vr.reserve[this.userColor][V.RESERVE_PIECES[i]] ]
+            [ this.vr.reserve[playingColor][V.RESERVE_PIECES[i]] ]
           )
         ]));
       }
       let oppReservePiecesArray = [];
-      const oppCol = V.GetOppCol(this.userColor);
+      const oppCol = V.GetOppCol(playingColor);
       for (let i=0; i<V.RESERVE_PIECES.length; i++)
       {
         oppReservePiecesArray.push(h('div',
@@ -234,18 +249,11 @@ export default {
     return h(
       'div',
       {
-        'class': {
-          "col-sm-12":true,
-          "col-md-10":true,
-          "col-md-offset-1":true,
-          "col-lg-8":true,
-          "col-lg-offset-2":true,
-        },
         // NOTE: click = mousedown + mouseup
         on: {
-          mousedown: this.mousedown,
-          mousemove: this.mousemove,
-          mouseup: this.mouseup,
+//          mousedown: this.mousedown,
+//          mousemove: this.mousemove,
+//          mouseup: this.mouseup,
           touchstart: this.mousedown,
           touchmove: this.mousemove,
           touchend: this.mouseup,
@@ -273,28 +281,28 @@ export default {
       e.preventDefault(); //disable native drag & drop
       if (!this.selectedPiece && e.target.classList.contains("piece"))
       {
+        let parent = e.target.parentNode;
         // Next few lines to center the piece on mouse cursor
-        let rect = e.target.parentNode.getBoundingClientRect();
+        let rect = parent.getBoundingClientRect();
         this.start = {
           x: rect.x + rect.width/2,
           y: rect.y + rect.width/2,
-          id: e.target.parentNode.id
+          id: parent.id
         };
         this.selectedPiece = e.target.cloneNode();
-        this.selectedPiece.style.position = "absolute";
-        this.selectedPiece.style.top = 0;
-        this.selectedPiece.style.display = "inline-block";
-        this.selectedPiece.style.zIndex = 3000;
-        const startSquare = getSquareFromId(e.target.parentNode.id);
+        let spStyle = this.selectedPiece.style
+        spStyle.position = "absolute";
+        spStyle.top = 0;
+        spStyle.display = "inline-block";
+        spStyle.zIndex = 3000;
+        const startSquare = getSquareFromId(parent.id);
         this.possibleMoves = [];
-        const color = this.mode=="analyze" || this.gameOver
-          ? this.vr.turn
-          : this.userColor;
+        const color = (this.analyze ? this.vr.turn : this.userColor);
         if (this.vr.canIplay(color,startSquare))
           this.possibleMoves = this.vr.getPossibleMovesFrom(startSquare);
         // Next line add moving piece just after current image
         // (required for Crazyhouse reserve)
-        e.target.parentNode.insertBefore(this.selectedPiece, e.target.nextSibling);
+        parent.insertBefore(this.selectedPiece, e.target.nextSibling);
       }
     },
     mousemove: function(e) {
@@ -315,7 +323,6 @@ export default {
       if (!this.selectedPiece)
         return;
       e = e || window.event;
-      // Read drop target (or parentElement, parentNode... if type == "img")
       this.selectedPiece.style.zIndex = -3000; //HACK to find square from final coords
       const [offsetX,offsetY] = !!e.clientX
         ? [e.clientX,e.clientY]
@@ -330,7 +337,7 @@ export default {
         // A click: selectedPiece and possibleMoves are already filled
         return;
       }
-      // OK: process move attempt
+      // OK: process move attempt, landing is a square node
       let endSquare = getSquareFromId(landing.id);
       let moves = this.findMatchingMoves(endSquare);
       this.possibleMoves = [];
@@ -358,3 +365,64 @@ export default {
   },
 };
 </script>
+
+<style lang="sass" scoped>
+.game.reserve-div
+  margin-bottom: 18px
+
+.reserve-count
+  padding-left: 40%
+
+.reserve-row-1
+  margin-bottom: 15px
+
+// NOTE: no variants with reserve of size != 8
+
+.game
+  width: 100%
+  margin: 0
+  .board
+    cursor: pointer
+
+#choices
+  margin: 0
+  position: absolute
+  z-index: 300
+  overflow-y: inherit
+  background-color: rgba(0,0,0,0)
+  img
+    cursor: pointer
+    background-color: #e6ee9c
+    &:hover
+      background-color: skyblue
+    &.choice-piece
+      width: 100%
+      height: auto
+      display: block
+
+img.ghost
+  position: absolute
+  opacity: 0.4
+  top: 0
+
+.highlight
+  background-color: #00cc66 !important
+
+.incheck
+  background-color: #cc3300 !important
+
+.light-square.lichess
+  background-color: #f0d9b5;
+.dark-square.lichess
+  background-color: #b58863;
+
+.light-square.chesscom
+  background-color: #e5e5ca;
+.dark-square.chesscom
+  background-color: #6f8f57;
+
+.light-square.chesstempo
+  background-color: #fdfdfd;
+.dark-square.chesstempo
+  background-color: #88a0a8;
+</style>