X-Git-Url: https://git.auder.net/images/pieces/current/gitweb.js?a=blobdiff_plain;f=public%2Fjavascripts%2Fvariants%2FCrazyhouse.js;h=b297f1fb78cbe776d3abb3d65e18ce2ac9d9da37;hb=18f9c763d17110b75489f721bf155bb88ac6c5c1;hp=37337650c7bb94bf506cfd5fe8fab251eef8677f;hpb=6752407b88b6d7678b9b19df4ffe1224d17625d7;p=vchess.git

diff --git a/public/javascripts/variants/Crazyhouse.js b/public/javascripts/variants/Crazyhouse.js
index 37337650..b297f1fb 100644
--- a/public/javascripts/variants/Crazyhouse.js
+++ b/public/javascripts/variants/Crazyhouse.js
@@ -51,7 +51,7 @@ class CrazyhouseRules extends ChessRules
 		return color + VariantRules.RESERVE_PIECES[index];
 	}
 
-	// Put an ordering on reserve pieces
+	// Ordering on reserve pieces
 	static get RESERVE_PIECES() {
 		const V = VariantRules;
 		return [V.PAWN,V.ROOK,V.KNIGHT,V.BISHOP,V.QUEEN];
@@ -97,7 +97,7 @@ class CrazyhouseRules extends ChessRules
 		const sizeX = VariantRules.size[0];
 		if (x >= sizeX)
 		{
-			// Reserves, outside of board: x == sizeX
+			// Reserves, outside of board: x == sizeX(+1)
 			return this.getReserveMoves([x,y]);
 		}
 		// Standard moves
@@ -138,80 +138,41 @@ class CrazyhouseRules extends ChessRules
 			return; //skip castle
 		const color = this.turn;
 		const V = VariantRules;
-		// Three types of move:
-		//   1. Rebirth: just update material
-		//   2. Standard move:
-		//     a. check if a promoted piece is moving
-		//     b. check if it's a promotion (mutually exclusive)
-		//   3. Capture:
-		//     a. check if a promoted piece is captured (and mark move)
-		//     b. check if a promoted piece is moving
-		//     c. check if it's a promotion (mutually exclusive with b)
 		if (move.vanish.length == 0)
-			this.reserve[color][move.appear[0].p]--;
-		else if (move.vanish.length == 1)
-		{
-			if (this.promoted[move.start.x][move.start.y])
-			{
-				this.promoted[move.start.x][move.start.y] = false;
-				this.promoted[move.end.x][move.end.y] = true;
-			}
-			else if (move.vanish[0].p == V.PAWN && move.appear[0].p != V.PAWN)
-				this.promoted[move.end.x][move.end.y] = true;
-		}
-		else //capture
 		{
-			if (this.promoted[move.end.x][move.end.y])
-			{
-				move.capturePromoted = true; //required for undo
-				this.reserve[color][VariantRules.PAWN]++;
-				this.promoted[move.end.x][move.end.y] = false;
-			}
-			else
-				this.reserve[color][move.vanish[1].p]++;
-			if (this.promoted[move.start.x][move.start.y])
-			{
-				this.promoted[move.start.x][move.start.y] = false;
-				this.promoted[move.end.x][move.end.y] = true;
-			}
-			else if (move.vanish[0].p == V.PAWN && move.appear[0].p != V.PAWN)
-				this.promoted[move.end.x][move.end.y] = true;
+			this.reserve[color][move.appear[0].p]--;
+			return;
 		}
+		move.movePromoted = this.promoted[move.start.x][move.start.y];
+		move.capturePromoted = this.promoted[move.end.x][move.end.y]
+		this.promoted[move.start.x][move.start.y] = false;
+		this.promoted[move.end.x][move.end.y] = move.movePromoted
+			|| (move.vanish[0].p == V.PAWN && move.appear[0].p != V.PAWN);
+		if (move.capturePromoted)
+			this.reserve[color][VariantRules.PAWN]++;
+		else if (move.vanish.length == 2)
+			this.reserve[color][move.vanish[1].p]++;
 	}
 
 	unupdateVariables(move)
 	{
 		super.unupdateVariables(move);
+		if (move.vanish.length == 2 && move.appear.length == 2)
+			return;
 		const color = this.turn;
 		const V = VariantRules;
 		if (move.vanish.length == 0)
-			this.reserve[color][move.appear[0].p]++;
-		else if (move.vanish.length == 1)
-		{
-			if (this.promoted[move.end.x][move.end.y])
-			{
-				this.promoted[move.end.x][move.end.y] = false;
-				if (move.vanish[0].p != V.PAWN || move.appear[0].p == V.PAWN)
-				{
-					// Not a promotion (= promoted piece creation)
-					this.promoted[move.start.x][move.start.y] = true;
-				}
-			}
-		}
-		else //capture
 		{
-			if (this.promoted[move.end.x][move.end.y])
-			{
-				this.promoted[move.end.x][move.end.y] = !!move.capturePromoted;
-				if (move.vanish[0].p != V.PAWN || move.appear[0].p == V.PAWN)
-					this.promoted[move.start.x][move.start.y] = true;
-			}
-			// Un-update material:
-			if (move.capturePromoted)
-				this.reserve[color][VariantRules.PAWN]--;
-			else
-				this.reserve[color][move.vanish[1].p]--;
+			this.reserve[color][move.appear[0].p]++;
+			return;
 		}
+		if (move.movePromoted)
+			this.promoted[move.start.x][move.start.y] = true;
+		this.promoted[move.end.x][move.end.y] = move.capturePromoted;
+		if (move.capturePromoted)
+			this.reserve[color][VariantRules.PAWN]--;
+		else if (move.vanish.length == 2)
+			this.reserve[color][move.vanish[1].p]--;
 	}
 
 	static get SEARCH_DEPTH() { return 2; } //high branching factor