Refactor Games structure on server: no longer use an extra 'Players' table

[vchess.git] / client / src / variants / Eightpieces.js

diff --git a/client/src/variants/Eightpieces.js b/client/src/variants/Eightpieces.js
index 46fe6b8..76f72b0 100644 (file)
--- a/client/src/variants/Eightpieces.js
+++ b/client/src/variants/Eightpieces.js
@@ -13,6 +13,11 @@ export const VariantRules = class EightpiecesRules extends ChessRules {
     return "l";
   }
 
+  static get IMAGE_EXTENSION() {
+    // Temporarily, for the time SVG pieces are being designed:
+    return ".png";
+  }
+
   // Lancer directions *from white perspective*
   static get LANCER_DIRS() {
     return {
@@ -41,9 +46,9 @@ export const VariantRules = class EightpiecesRules extends ChessRules {
   }
 
   getPpath(b, color, score, orientation) {
-    if ([V.JAILER, V.SENTRY].includes(b[1])) return "Eightpieces/" + b;
+    if ([V.JAILER, V.SENTRY].includes(b[1])) return "Eightpieces/tmp_png/" + b;
     if (Object.keys(V.LANCER_DIRS).includes(b[1])) {
-      if (orientation == 'w') return "Eightpieces/" + b;
+      if (orientation == 'w') return "Eightpieces/tmp_png/" + b;
       // Find opposite direction for adequate display:
       let oppDir = '';
       switch (b[1]) {
@@ -72,9 +77,10 @@ export const VariantRules = class EightpiecesRules extends ChessRules {
           oppDir = 'f';
           break;
       }
-      return "Eightpieces/" + b[0] + oppDir;
+      return "Eightpieces/tmp_png/" + b[0] + oppDir;
     }
-    return b;
+    // TODO: after we have SVG pieces, remove the folder and next prefix:
+    return "Eightpieces/tmp_png/" + b;
   }
 
   getPPpath(b, orientation) {
@@ -284,12 +290,14 @@ export const VariantRules = class EightpiecesRules extends ChessRules {
 
   getPotentialMovesFrom([x, y]) {
     // At subTurn == 2, jailers aren't effective (Jeff K)
+    const piece = this.getPiece(x, y);
+    const L = this.sentryPush.length;
     if (this.subTurn == 1) {
       const jsq = this.isImmobilized([x, y]);
       if (!!jsq) {
         let moves = [];
         // Special pass move if king:
-        if (this.getPiece(x, y) == V.KING) {
+        if (piece == V.KING) {
           moves.push(
             new Move({
               appear: [],
@@ -299,11 +307,26 @@ export const VariantRules = class EightpiecesRules extends ChessRules {
             })
           );
         }
+        else if (piece == V.LANCER && !!this.sentryPush[L-1]) {
+          // A pushed lancer next to the jailer: reorient
+          const color = this.getColor(x, y);
+          const curDir = this.board[x][y].charAt(1);
+          Object.keys(V.LANCER_DIRS).forEach(k => {
+            moves.push(
+              new Move({
+                appear: [{ x: x, y: y, c: color, p: k }],
+                vanish: [{ x: x, y: y, c: color, p: curDir }],
+                start: { x: x, y: y },
+                end: { x: jsq[0], y: jsq[1] }
+              })
+            );
+          });
+        }
         return moves;
       }
     }
     let moves = [];
-    switch (this.getPiece(x, y)) {
+    switch (piece) {
       case V.JAILER:
         moves = this.getPotentialJailerMoves([x, y]);
         break;
@@ -317,12 +340,15 @@ export const VariantRules = class EightpiecesRules extends ChessRules {
         moves = super.getPotentialMovesFrom([x, y]);
         break;
     }
-    const L = this.sentryPush.length;
     if (!!this.sentryPush[L-1]) {
-      // Delete moves walking back on sentry push path
+      // Delete moves walking back on sentry push path,
+      // only if not a pawn, and the piece is the pushed one.
+      const pl = this.sentryPush[L-1].length;
+      const finalPushedSq = this.sentryPush[L-1][pl-1];
       moves = moves.filter(m => {
         if (
           m.vanish[0].p != V.PAWN &&
+          m.start.x == finalPushedSq.x && m.start.y == finalPushedSq.y &&
           this.sentryPush[L-1].some(sq => sq.x == m.end.x && sq.y == m.end.y)
         ) {
           return false;
@@ -898,7 +924,7 @@ export const VariantRules = class EightpiecesRules extends ChessRules {
             absDeltaX = Math.abs(deltaX);
       const deltaY = y2 - y1,
             absDeltaY = Math.abs(deltaY);
-      const step = [ deltaX / absDeltaX, deltaY / absDeltaY ];
+      const step = [ deltaX / absDeltaX || 0, deltaY / absDeltaY || 0 ];
       if (
         // Check that the step is a priori valid:
         (absDeltaX != absDeltaY && deltaX != 0 && deltaY != 0) ||
@@ -907,7 +933,7 @@ export const VariantRules = class EightpiecesRules extends ChessRules {
         return false;
       }
       let sq = [ x1 + step[0], y1 + step[1] ];
-      while (sq[0] != x2 && sq[1] != y2) {
+      while (sq[0] != x2 || sq[1] != y2) {
         if (
           // NOTE: no need to check OnBoard in this special case
           (!lancer && this.board[sq[0]][sq[1]] != V.EMPTY) ||
@@ -1054,9 +1080,24 @@ export const VariantRules = class EightpiecesRules extends ChessRules {
     return (!choice.second ? choice : [choice, choice.second]);
   }
 
+  // For moves notation:
+  static get LANCER_DIRNAMES() {
+    return {
+      'c': "N",
+      'd': "NE",
+      'e': "E",
+      'f': "SE",
+      'g': "S",
+      'h': "SW",
+      'm': "W",
+      'o': "NW"
+    };
+  }
+
   getNotation(move) {
     // Special case "king takes jailer" is a pass move
     if (move.appear.length == 0 && move.vanish.length == 0) return "pass";
+    let notation = undefined;
     if (this.subTurn == 2) {
       // Do not consider appear[1] (sentry) for sentry pushes
       const simpleMove = {
@@ -1065,8 +1106,11 @@ export const VariantRules = class EightpiecesRules extends ChessRules {
         start: move.start,
         end: move.end
       };
-      return super.getNotation(simpleMove);
-    }
-    return super.getNotation(move);
+      notation = super.getNotation(simpleMove);
+    } else notation = super.getNotation(move);
+    if (Object.keys(V.LANCER_DIRNAMES).includes(move.vanish[0].p))
+      // Lancer: add direction info
+      notation += "=" + V.LANCER_DIRNAMES[move.appear[0].p];
+    return notation;
   }
 };