X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=public%2Fjavascripts%2Futils%2FprintDiagram.js;fp=public%2Fjavascripts%2Futils%2FprintDiagram.js;h=ef750490ed02ad88c3af54663ac3de12606e78b1;hb=da06a6eb0237123ce43fdb01cb06246b8b57f5e5;hp=0000000000000000000000000000000000000000;hpb=4ecf423bce243e8e10b5b777a95f67ecc9f8d8d3;p=vchess.git

diff --git a/public/javascripts/utils/printDiagram.js b/public/javascripts/utils/printDiagram.js
new file mode 100644
index 00000000..ef750490
--- /dev/null
+++ b/public/javascripts/utils/printDiagram.js
@@ -0,0 +1,46 @@
+// Assuming V(ariantRules) class is loaded.
+// args: object with position (mandatory), orientation, marks (optional)
+function getDiagram(args)
+{
+	const [sizeX,sizeY] = [V.size.x,V.size.y];
+	// Obtain array of pieces images names
+	const board = VariantRules.GetBoard(args.position);
+	const orientation = args.orientation || "w";
+	let markArray = [];
+	if (!!args.marks)
+	{
+		// Turn (human) marks into coordinates
+		markArray = doubleArray(sizeX, sizeY, false);
+		let squares = args.marks.split(",");
+		for (let i=0; i<squares.length; i++)
+		{
+			const res = /^([a-z]+)([0-9]+)$/i.exec(squares[i]);
+			const x = sizeX - parseInt(res[2]); //white at bottom, so counting is reversed
+			const y = res[1].charCodeAt(0)-97; //always one char: max 26, big enough
+			markArray[x][y] = true;
+		}
+	}
+	let boardDiv = "";
+	const [startX,startY,inc] = orientation == 'w'
+		? [0, 0, 1]
+		: [sizeX-1, sizeY-1, -1];
+	for (let i=startX; i>=0 && i<sizeX; i+=inc)
+	{
+		boardDiv += "<div class='row'>";
+		for (let j=startY; j>=0 && j<sizeY; j+=inc)
+		{
+			boardDiv += "<div class='board board" + sizeY + " " +
+				((i+j)%2==0 ? "light-square-diag" : "dark-square-diag") + "'>";
+			if (board[i][j] != V.EMPTY)
+			{
+				boardDiv += "<img src='/images/pieces/" +
+					V.getPpath(board[i][j]) + ".svg' class='piece'/>";
+			}
+			if (!!args.marks && markArray[i][j])
+				boardDiv += "<img src='/images/mark.svg' class='mark-square'/>";
+			boardDiv += "</div>";
+		}
+		boardDiv += "</div>";
+	}
+	return boardDiv;
+}