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da06a6eb BA |
1 | // Assuming V(ariantRules) class is loaded. |
2 | // args: object with position (mandatory), orientation, marks (optional) | |
3 | function getDiagram(args) | |
4 | { | |
5 | const [sizeX,sizeY] = [V.size.x,V.size.y]; | |
6 | // Obtain array of pieces images names | |
7 | const board = VariantRules.GetBoard(args.position); | |
8 | const orientation = args.orientation || "w"; | |
9 | let markArray = []; | |
5915f720 | 10 | if (!!args.marks && args.marks != "-") |
da06a6eb BA |
11 | { |
12 | // Turn (human) marks into coordinates | |
13 | markArray = doubleArray(sizeX, sizeY, false); | |
14 | let squares = args.marks.split(","); | |
15 | for (let i=0; i<squares.length; i++) | |
16 | { | |
5915f720 | 17 | const coords = V.SquareToCoords(squares[i]); |
26c1e3bd | 18 | markArray[coords.x][coords.y] = true; |
da06a6eb BA |
19 | } |
20 | } | |
5915f720 BA |
21 | let shadowArray = []; |
22 | if (!!args.shadow && args.shadow != "-") | |
23 | { | |
24 | // Turn (human) shadow indications into coordinates | |
25 | shadowArray = doubleArray(sizeX, sizeY, false); | |
26 | let squares = args.shadow.split(","); | |
27 | for (let i=0; i<squares.length; i++) | |
28 | { | |
29 | const rownum = V.size.x - parseInt(squares[i]); | |
30 | if (!isNaN(rownum)) | |
31 | { | |
32 | // Shadow a full row | |
33 | for (let i=0; i<V.size.y; i++) | |
34 | shadowArray[rownum][i] = true; | |
35 | continue; | |
36 | } | |
37 | if (squares[i].length == 1) | |
38 | { | |
39 | // Shadow a full column | |
40 | const colnum = V.ColumnToCoord(squares[i]); | |
41 | for (let i=0; i<V.size.x; i++) | |
42 | shadowArray[i][colnum] = true; | |
43 | continue; | |
44 | } | |
45 | // Shadow just one square: | |
46 | const coords = V.SquareToCoords(squares[i]); | |
47 | shadowArray[coords.x][coords.y] = true; | |
48 | } | |
49 | } | |
da06a6eb BA |
50 | let boardDiv = ""; |
51 | const [startX,startY,inc] = orientation == 'w' | |
52 | ? [0, 0, 1] | |
53 | : [sizeX-1, sizeY-1, -1]; | |
54 | for (let i=startX; i>=0 && i<sizeX; i+=inc) | |
55 | { | |
56 | boardDiv += "<div class='row'>"; | |
57 | for (let j=startY; j>=0 && j<sizeY; j+=inc) | |
58 | { | |
59 | boardDiv += "<div class='board board" + sizeY + " " + | |
5915f720 BA |
60 | ((i+j)%2==0 ? "light-square-diag" : "dark-square-diag") + |
61 | (shadowArray.length > 0 && shadowArray[i][j] ? " in-shadow" : "") + | |
62 | "'>"; | |
da06a6eb BA |
63 | if (board[i][j] != V.EMPTY) |
64 | { | |
65 | boardDiv += "<img src='/images/pieces/" + | |
66 | V.getPpath(board[i][j]) + ".svg' class='piece'/>"; | |
67 | } | |
5915f720 | 68 | if (markArray.length > 0 && markArray[i][j]) |
da06a6eb BA |
69 | boardDiv += "<img src='/images/mark.svg' class='mark-square'/>"; |
70 | boardDiv += "</div>"; | |
71 | } | |
72 | boardDiv += "</div>"; | |
73 | } | |
74 | return boardDiv; | |
75 | } |