X-Git-Url: https://git.auder.net/?p=vchess.git;a=blobdiff_plain;f=client%2Fsrc%2Fvariants%2FMagnetic.js;h=3789de38aee2582630c86d2344b52f9ef4e041fe;hp=ea745dd6b95f360a6599c5c20dbbb222cd44670d;hb=dac395887d96e2d642b209c6db6aaacc3ffacb34;hpb=5fde3a01497262862afc4cb4c9457d4e0ad69a4a

diff --git a/client/src/variants/Magnetic.js b/client/src/variants/Magnetic.js
index ea745dd6..3789de38 100644
--- a/client/src/variants/Magnetic.js
+++ b/client/src/variants/Magnetic.js
@@ -2,210 +2,210 @@ import { ChessRules, PiPo } from "@/base_rules";
 
 export const VariantRules = class  MagneticRules extends ChessRules
 {
-	static get HasEnpassant() { return false; }
+  static get HasEnpassant() { return false; }
 
-	getPotentialMovesFrom([x,y])
-	{
-		let standardMoves = super.getPotentialMovesFrom([x,y]);
-		let moves = [];
-		standardMoves.forEach(m => {
-			let newMove_s = this.applyMagneticLaws(m);
-			if (newMove_s.length == 1)
-				moves.push(newMove_s[0]);
-			else //promotion
-				moves = moves.concat(newMove_s);
-		});
-		return moves;
-	}
+  getPotentialMovesFrom([x,y])
+  {
+    let standardMoves = super.getPotentialMovesFrom([x,y]);
+    let moves = [];
+    standardMoves.forEach(m => {
+      let newMove_s = this.applyMagneticLaws(m);
+      if (newMove_s.length == 1)
+        moves.push(newMove_s[0]);
+      else //promotion
+        moves = moves.concat(newMove_s);
+    });
+    return moves;
+  }
 
-	// Complete a move with magnetic actions
-	// TODO: job is done multiple times for (normal) promotions.
-	applyMagneticLaws(move)
-	{
-		if (move.appear[0].p == V.KING && move.appear.length==1)
-			return [move]; //kings are not charged
-		const aIdx = (move.appear[0].p != V.KING ? 0 : 1); //if castling, rook is charged
-		const [x,y] = [move.appear[aIdx].x, move.appear[aIdx].y];
-		const color = this.turn;
-		const lastRank = (color=="w" ? 0 : 7);
-		const standardMove = JSON.parse(JSON.stringify(move));
-		this.play(standardMove);
-		for (let step of [[-1,0],[1,0],[0,-1],[0,1]])
-		{
-			let [i,j] = [x+step[0],y+step[1]];
-			while (V.OnBoard(i,j))
-			{
-				if (this.board[i][j] != V.EMPTY)
-				{
-					// Found something. Same color or not?
-					if (this.getColor(i,j) != color)
-					{
-						// Attraction
-						if ((Math.abs(i-x)>=2 || Math.abs(j-y)>=2) && this.getPiece(i,j) != V.KING)
-						{
-							move.vanish.push(
-								new PiPo({
-									p:this.getPiece(i,j),
-									c:this.getColor(i,j),
-									x:i,
-									y:j
-								})
-							);
-							move.appear.push(
-								new PiPo({
-									p:this.getPiece(i,j),
-									c:this.getColor(i,j),
-									x:x+step[0],
-									y:y+step[1]
-								})
-							);
-						}
-					}
-					else
-					{
-						// Repulsion
-						if (this.getPiece(i,j) != V.KING)
-						{
-							// Push it until we meet an obstacle or edge of the board
-							let [ii,jj] = [i+step[0],j+step[1]];
-							while (V.OnBoard(ii,jj))
-							{
-								if (this.board[ii][jj] != V.EMPTY)
-									break;
-								ii += step[0];
-								jj += step[1];
-							}
-							ii -= step[0];
-							jj -= step[1];
-							if (Math.abs(ii-i)>=1 || Math.abs(jj-j)>=1)
-							{
-								move.vanish.push(
-									new PiPo({
-										p:this.getPiece(i,j),
-										c:this.getColor(i,j),
-										x:i,
-										y:j
-									})
-								);
-								move.appear.push(
-									new PiPo({
-										p:this.getPiece(i,j),
-										c:this.getColor(i,j),
-										x:ii,
-										y:jj
-									})
-								);
-							}
-						}
-					}
-					break;
-				}
-				i += step[0];
-				j += step[1];
-			}
-		}
-		this.undo(standardMove);
-		let moves = [];
-		// Scan move for pawn (max 1) on 8th rank
-		for (let i=1; i<move.appear.length; i++)
-		{
-			if (move.appear[i].p==V.PAWN && move.appear[i].c==color
-				&& move.appear[i].x==lastRank)
-			{
-				move.appear[i].p = V.ROOK;
-				moves.push(move);
-				for (let piece of [V.KNIGHT, V.BISHOP, V.QUEEN])
-				{
-					let cmove = JSON.parse(JSON.stringify(move));
-					cmove.appear[i].p = piece;
-					moves.push(cmove);
-				}
-				// Swap appear[i] and appear[0] for moves presentation (TODO: this is awkward)
-				moves.forEach(m => {
-					let tmp = m.appear[0];
-					m.appear[0] = m.appear[i];
-					m.appear[i] = tmp;
-				});
-				break;
-			}
-		}
-		if (moves.length == 0) //no pawn on 8th rank
-			moves.push(move);
-		return moves;
-	}
+  // Complete a move with magnetic actions
+  // TODO: job is done multiple times for (normal) promotions.
+  applyMagneticLaws(move)
+  {
+    if (move.appear[0].p == V.KING && move.appear.length==1)
+      return [move]; //kings are not charged
+    const aIdx = (move.appear[0].p != V.KING ? 0 : 1); //if castling, rook is charged
+    const [x,y] = [move.appear[aIdx].x, move.appear[aIdx].y];
+    const color = this.turn;
+    const lastRank = (color=="w" ? 0 : 7);
+    const standardMove = JSON.parse(JSON.stringify(move));
+    this.play(standardMove);
+    for (let step of [[-1,0],[1,0],[0,-1],[0,1]])
+    {
+      let [i,j] = [x+step[0],y+step[1]];
+      while (V.OnBoard(i,j))
+      {
+        if (this.board[i][j] != V.EMPTY)
+        {
+          // Found something. Same color or not?
+          if (this.getColor(i,j) != color)
+          {
+            // Attraction
+            if ((Math.abs(i-x)>=2 || Math.abs(j-y)>=2) && this.getPiece(i,j) != V.KING)
+            {
+              move.vanish.push(
+                new PiPo({
+                  p:this.getPiece(i,j),
+                  c:this.getColor(i,j),
+                  x:i,
+                  y:j
+                })
+              );
+              move.appear.push(
+                new PiPo({
+                  p:this.getPiece(i,j),
+                  c:this.getColor(i,j),
+                  x:x+step[0],
+                  y:y+step[1]
+                })
+              );
+            }
+          }
+          else
+          {
+            // Repulsion
+            if (this.getPiece(i,j) != V.KING)
+            {
+              // Push it until we meet an obstacle or edge of the board
+              let [ii,jj] = [i+step[0],j+step[1]];
+              while (V.OnBoard(ii,jj))
+              {
+                if (this.board[ii][jj] != V.EMPTY)
+                  break;
+                ii += step[0];
+                jj += step[1];
+              }
+              ii -= step[0];
+              jj -= step[1];
+              if (Math.abs(ii-i)>=1 || Math.abs(jj-j)>=1)
+              {
+                move.vanish.push(
+                  new PiPo({
+                    p:this.getPiece(i,j),
+                    c:this.getColor(i,j),
+                    x:i,
+                    y:j
+                  })
+                );
+                move.appear.push(
+                  new PiPo({
+                    p:this.getPiece(i,j),
+                    c:this.getColor(i,j),
+                    x:ii,
+                    y:jj
+                  })
+                );
+              }
+            }
+          }
+          break;
+        }
+        i += step[0];
+        j += step[1];
+      }
+    }
+    this.undo(standardMove);
+    let moves = [];
+    // Scan move for pawn (max 1) on 8th rank
+    for (let i=1; i<move.appear.length; i++)
+    {
+      if (move.appear[i].p==V.PAWN && move.appear[i].c==color
+        && move.appear[i].x==lastRank)
+      {
+        move.appear[i].p = V.ROOK;
+        moves.push(move);
+        for (let piece of [V.KNIGHT, V.BISHOP, V.QUEEN])
+        {
+          let cmove = JSON.parse(JSON.stringify(move));
+          cmove.appear[i].p = piece;
+          moves.push(cmove);
+        }
+        // Swap appear[i] and appear[0] for moves presentation (TODO: this is awkward)
+        moves.forEach(m => {
+          let tmp = m.appear[0];
+          m.appear[0] = m.appear[i];
+          m.appear[i] = tmp;
+        });
+        break;
+      }
+    }
+    if (moves.length == 0) //no pawn on 8th rank
+      moves.push(move);
+    return moves;
+  }
 
-	atLeastOneMove()
-	{
-		if (this.kingPos[this.turn][0] < 0)
-			return false;
-		return true; //TODO: is it right?
-	}
+  atLeastOneMove()
+  {
+    if (this.kingPos[this.turn][0] < 0)
+      return false;
+    return true; //TODO: is it right?
+  }
 
-	underCheck(color)
-	{
-		return false; //there is no check
-	}
+  underCheck(color)
+  {
+    return false; //there is no check
+  }
 
-	getCheckSquares(move)
-	{
-		return [];
-	}
+  getCheckSquares(move)
+  {
+    return [];
+  }
 
-	updateVariables(move)
-	{
-		super.updateVariables(move);
-		const c = move.vanish[0].c;
-		if (move.vanish.length >= 2 && move.vanish[1].p == V.KING)
-		{
-			// We took opponent king !
-			const oppCol = V.GetOppCol(c);
-			this.kingPos[oppCol] = [-1,-1];
-			this.castleFlags[oppCol] = [false,false];
-		}
-		// Did we magnetically move our (init) rooks or opponents' ones ?
-		const firstRank = (c == "w" ? 7 : 0);
-		const oppFirstRank = 7 - firstRank;
-		const oppCol = V.GetOppCol(c);
-		move.vanish.forEach(psq => {
-			if (psq.x == firstRank && this.INIT_COL_ROOK[c].includes(psq.y))
-				this.castleFlags[c][psq.y==this.INIT_COL_ROOK[c][0] ? 0 : 1] = false;
-			else if (psq.x == oppFirstRank && this.INIT_COL_ROOK[oppCol].includes(psq.y))
-				this.castleFlags[oppCol][psq.y==this.INIT_COL_ROOK[oppCol][0] ? 0 : 1] = false;
-		});
-	}
+  updateVariables(move)
+  {
+    super.updateVariables(move);
+    const c = move.vanish[0].c;
+    if (move.vanish.length >= 2 && move.vanish[1].p == V.KING)
+    {
+      // We took opponent king !
+      const oppCol = V.GetOppCol(c);
+      this.kingPos[oppCol] = [-1,-1];
+      this.castleFlags[oppCol] = [false,false];
+    }
+    // Did we magnetically move our (init) rooks or opponents' ones ?
+    const firstRank = (c == "w" ? 7 : 0);
+    const oppFirstRank = 7 - firstRank;
+    const oppCol = V.GetOppCol(c);
+    move.vanish.forEach(psq => {
+      if (psq.x == firstRank && this.INIT_COL_ROOK[c].includes(psq.y))
+        this.castleFlags[c][psq.y==this.INIT_COL_ROOK[c][0] ? 0 : 1] = false;
+      else if (psq.x == oppFirstRank && this.INIT_COL_ROOK[oppCol].includes(psq.y))
+        this.castleFlags[oppCol][psq.y==this.INIT_COL_ROOK[oppCol][0] ? 0 : 1] = false;
+    });
+  }
 
-	unupdateVariables(move)
-	{
-		super.unupdateVariables(move);
-		const c = move.vanish[0].c;
-		const oppCol = V.GetOppCol(c);
-		if (this.kingPos[oppCol][0] < 0)
-		{
-			// Last move took opponent's king
-			for (let psq of move.vanish)
-			{
-				if (psq.p == 'k')
-				{
-					this.kingPos[oppCol] = [psq.x, psq.y];
-					break;
-				}
-			}
-		}
-	}
+  unupdateVariables(move)
+  {
+    super.unupdateVariables(move);
+    const c = move.vanish[0].c;
+    const oppCol = V.GetOppCol(c);
+    if (this.kingPos[oppCol][0] < 0)
+    {
+      // Last move took opponent's king
+      for (let psq of move.vanish)
+      {
+        if (psq.p == 'k')
+        {
+          this.kingPos[oppCol] = [psq.x, psq.y];
+          break;
+        }
+      }
+    }
+  }
 
-	getCurrentScore()
-	{
-		const color = this.turn;
-		const kp = this.kingPos[color];
-		if (kp[0] < 0) //king disappeared
-			return (color == "w" ? "0-1" : "1-0");
+  getCurrentScore()
+  {
+    const color = this.turn;
+    const kp = this.kingPos[color];
+    if (kp[0] < 0) //king disappeared
+      return (color == "w" ? "0-1" : "1-0");
     if (this.atLeastOneMove()) // game not over
       return "*";
     return "1/2"; //no moves but kings still there
-	}
+  }
 
-	static get THRESHOLD_MATE()
-	{
-		return 500; //checkmates evals may be slightly below 1000
-	}
+  static get THRESHOLD_MATE()
+  {
+    return 500; //checkmates evals may be slightly below 1000
+  }
 }