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viewer.js
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viewer.js
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window.viewer = {};
(function() {
var isMouseDown = false;
var dragFromX = 0;
var dragFromY = 0;
var imageFromX = 0;
var imageFromY = 0;
var targetImage = null;
var targetPiece = null;
var cloneElement = null;
viewer.isDraggable = false;
viewer.isSente = false;
var clearDragAndDrop = function() {
if(cloneElement && cloneElement.parentNode) {
cloneElement.parentNode.removeChild(cloneElement);
}
if(elements["focusMasu"].parentNode) {
elements["focusMasu"].parentNode.removeChild(elements["focusMasu"]);
}
isMouseDown = false;
dragFromX = 0;
dragFromY = 0;
targetImage = null;
targetPiece = null;
};
document.addEventListener("mousedown", function(e) {
if(isMouseDown || !viewer.isDraggable) {
return;
}
var element = e.target;
for(var i = 0; i < pieceImageList.length; i++) {
var pieceImage = pieceImageList[i];
if(element == pieceImage) {
break;
}
}
if(pieceList && i != pieceImageList.length) {
e.preventDefault();
//console.log(pieceList[i]);
dragFromX = e.screenX;
dragFromY = e.screenY;
imageFromX = parseInt(element.style.left);
imageFromY = parseInt(element.style.top);
targetImage = element;
for(var i = 0; i < pieceList.length; i ++) {
if(pieceImageList[pieceList[i].index] == element) {
break;
}
}
targetPiece = pieceList[i];
if(targetPiece.sente != viewer.isSente) {
return;
}
targetImage.parentNode.appendChild(targetImage);
isMouseDown = true;
if(!targetPiece.onBoard) {
elements["board"].appendChild(targetImage);
if(targetPiece.sente && !flip || !targetPiece.sente && flip) {
imageFromX -= elements["board"].offsetLeft - elements["sente"].offsetLeft;
imageFromY -= elements["board"].offsetTop - elements["sente"].offsetTop;
} else {
imageFromX -= elements["board"].offsetLeft - elements["gote"].offsetLeft;
imageFromY -= elements["board"].offsetTop - elements["gote"].offsetTop;
}
element.style.left = imageFromX + "px";
element.style.top = imageFromY + "px";
}
cloneElement = element.cloneNode(true);
cloneElement.style.opacity = "0.2";
elements["board"].appendChild(cloneElement);
}
}, false);
document.addEventListener("mousemove", function(e) {
e.preventDefault();
if(isMouseDown) {
var x = imageFromX + e.screenX - dragFromX;
var y = imageFromY + e.screenY - dragFromY;
targetImage.style.left = x + "px";
targetImage.style.top = y + "px";
x = ((x - 1) / (pieceWidth - 1) + 0.5) | 0;
y = ((y - 1) / (pieceHeight - 1) + 0.5) | 0;
var focusElement = elements["focusMasu"];
if(!focusElement.parentNode) {
elements["board"].insertBefore(focusElement, pieceImageList[0]);
}
if(x < 0 || x > 8 || y < 0 || y > 8) {
focusElement.style.display = "none";
} else {
focusElement.style.display = "block";
}
focusElement.style.left = ((x * (pieceWidth + 1)) + 1) + "px";
focusElement.style.top = ((y * (pieceHeight + 1)) + 1) + "px";
}
}, false);
document.addEventListener("mouseup", function(e) {
if(isMouseDown) {
isMouseDown = false;
if(cloneElement && cloneElement.parentNode) {
elements["board"].removeChild(cloneElement);
}
if(elements["focusMasu"].parentNode) {
elements["board"].removeChild(elements["focusMasu"]);
targetImage.style.left = elements["focusMasu"].style.left;
targetImage.style.top = elements["focusMasu"].style.top;
var fromX = 9 - targetPiece.x;
var fromY = targetPiece.y + 1;
var x = ((parseInt(targetImage.style.left) - 1) / (pieceWidth - 1)) | 0;
var y = ((parseInt(targetImage.style.top) - 1) / (pieceHeight - 1)) | 0;
var toX = 9 - x;
var toY = y + 1;
if(flip) {
toX = 10 - toX;
toY = 10 - toY;
}
if(toX < 1 || toX > 9 || toY < 1 || toY > 9 || (targetPiece.onBoard && fromX == toX && fromY == toY)) {
showBoard();
return;
}
//var type = { FU: 1, TO: 2, KY: 3, NY: 4, KE: 5, NK: 6, GI: 7,
// NG: 8, KI: 9, KA: 10, UM: 11, HI: 12, RY: 13, OU: 14
var type = targetPiece.type;
var types = ["", "FU", "TO", "KY", "NY", "KE", "NK", "GI",
"NG", "KI", "KA", "UM", "HI", "RY", "OU"];
if(!targetPiece.onBoard) {
fromX = 0;
fromY = 0;
}
if(targetPiece.type == targetPiece.screen) {
if(type == 1 || type == 3 || type == 5 || type == 7 || type == 10 || type == 12) {
//console.log(fromY, toY, targetPiece.sente, targetPiece, fromX);
if(fromX != 0 && ((fromY >=7 || toY >= 7) && !targetPiece.sente || (fromY <= 3 || toY <= 3) && targetPiece.sente)) {
if(confirm("成りますか？")) {
type++;
}
}
}
} else {
type = targetPiece.screen;
}
if(viewer.onmoveenter) {
viewer.onmoveenter("" + fromX + fromY, "" + toX + toY, types[type]);
}
viewer.isDraggable = false;
}
}
}, false);
// const
var pieceWidth = 43;
var pieceHeight = 48;
var flip = false;
viewer.setFlip = function(f) {
flip = f;
};
// instance
var imageList = {};
var pieceLetterList = ["", "fu", "to", "kyo", "nkyo", "kei", "nkei", "gin", "ngin", "kin", "kaku", "uma", "hi", "ryu", "ou"];
var elements = {};
var pieceImageList = [];
// by game
var pieceList;
var lastHand;
var inited = false;
viewer.init = function() {
if(inited) {
initialize();
return;
}
inited = true;
var needToBeLoaded = 0;
for(var j = 0; j < 2; j++) {
var sg = (j == 0)? "S": "G";
for(var i = 0; i < pieceLetterList.length; i++) {
var piece = pieceLetterList[i];
if(piece.length == 0) {
// null piece
continue;
}
var key = sg + piece;
var url = "img/" + key + ".png";
needToBeLoaded++;
var img = document.createElement("img");
img. {
needToBeLoaded--;
if(needToBeLoaded == 0) {
initialize();
}
};
img. {
Error("load failure");
};
img.src = url;
imageList[key] = img;
}
}
// create board on html
var board = document.getElementById("board");
board.style.width = ((pieceWidth + 1) * 9 + 1) + "px";
board.style.height = ((pieceHeight + 1) * 9 + 1) + "px";
for(var x = 0; x < 9; x++) {
for(var y = 0; y < 9; y++) {
var masu = document.createElement("div");
masu.style.position = "absolute";
masu.style.backgroundColor = "#fff";
masu.style.left = ((x * (pieceWidth + 1)) + 1) + "px";
masu.style.top = ((y * (pieceHeight + 1)) + 1) + "px";
masu.style.width = pieceWidth + "px";
masu.style.height = pieceHeight + "px";
board.appendChild(masu);
}
}
elements["board"] = board;
var gote = document.getElementById("gote_mochigoma");
gote.style.width = ((pieceWidth + 1) * 9 + 1) + "px";
gote.style.height = ((pieceHeight + 1) * 1 + 1) + "px";
elements["gote"] = gote;
var sente = document.getElementById("sente_mochigoma");
sente.style.width = ((pieceWidth + 1) * 9 + 1) + "px";
sente.style.height = ((pieceHeight + 1) * 1 + 1) + "px";
elements["sente"] = sente;
elements["comment"] = document.getElementById("comment");
elements["kifu"] = document.getElementById("kifu");
// create piece images
for(var i = 0; i < (9 + 2 + 9) * 2; i++) {
var img = document.createElement("img");
img.style.position = "absolute";
img.style.width = pieceWidth + "px";
img.style.height = pieceHeight + "px";
pieceImageList.push(img);
}
var div = document.createElement("div");
div.style.position = "absolute";
div.style.width = pieceWidth + "px";
div.style.height = pieceHeight + "px";
div.style.backgroundColor = "rgba(255,0,0,0.2)";
elements["focusMasu"] = div;
};
var showBoard = function(hand) {
hand = hand || lastHand;
lastHand = hand;
clearDragAndDrop();
for(var i = 0; i < pieceImageList.length; i++) {
var pieceImage = pieceImageList[i];
if(pieceImage.parentNode) {
pieceImage.parentNode.removeChild(pieceImage);
}
pieceImage.style.backgroundColor = "";
}
var bin = [[],[]];
pieceList = hand.pieceList;
for(var i = 0; i < pieceList.length; i++) {
var piece = pieceList[i];
var key = ((!flip && piece.sente || flip && !piece.sente)? "S": "G") + pieceLetterList[piece.screen];
if(piece.onBoard) {
var x = flip ? 8 - piece.x : piece.x;
var y = flip ? 8 - piece.y : piece.y;
var pieceImage = pieceImageList[piece.index];
pieceImage.src = imageList[key].src;
pieceImage.style.zIndex = "";
pieceImage.style.left = ((x * (pieceWidth + 1)) + 1) + "px";
pieceImage.style.top = ((y * (pieceHeight + 1)) + 1) + "px";
if(piece.x == hand.lastX && piece.y == hand.lastY) {
pieceImage.style.backgroundColor = "#ff0";
}
elements["board"].appendChild(pieceImage);
} else {
// mark mochigoma
if(!flip && piece.sente || flip && !piece.sente) {
bin[0][piece.type] = (bin[0][piece.type] || []);
bin[0][piece.type].push(piece);
} else {
bin[1][piece.type] = (bin[1][piece.type] || []);
bin[1][piece.type].push(piece);
}
}
}
// mochigoma
count = 0;
for(var t = 0; t < 2; t++) {
var k = (t == 0)? 1: -1;
var currentPos = (t == 0)? 1: pieceWidth * 8 + 1;
for(var i = bin[t].length - 1; i >= 0; i--) {
if(bin[t][i]) {
var key = ((t == 0)? "S": "G") + pieceLetterList[i];
for(var j = 0; j < bin[t][i].length; j++) {
var piece = bin[t][i][j];
var image = pieceImageList[piece.index];
image.src = imageList[key].src;
image.style.top = 1 + "px";
image.style.left = currentPos + "px";
image.style.zIndex = 100 + k * (count++);
currentPos += k * pieceWidth * ((bin[t][i].length > 3)? 0.3: 0.4);
elements[(t == 0)?"sente":"gote"].appendChild(image);
}
currentPos += k * pieceWidth * 0.5;
}
}
}
// comment
elements["comment"].value = hand.comment;
};
viewer.showBoard = showBoard;
var lastPosition = 0;
var initialize = function() {
while(elements["kifu"].firstChild) {
elements["kifu"].removeChild(elements["kifu"].firstChild);
}
for(var i = 0; i < parser.handList.length; i++) {
var option = document.createElement("option");
option.value = i;
var hand = parser.handList[i];
option.appendChild(document.createTextNode(hand.text));
elements["kifu"].appendChild(option);
}
var i = 0;
/*
(function test() {
showBoard(parser.handList[i++]);
if(i < parser.handList.length) {
setTimeout(test, 100);
}
});
*/
if(lastPosition >= parser.handList.length) {
lastPosition = parser.handList.length - 1;
}
if(lastPosition == parser.handList.length - 2) {
lastPosition = parser.handList.length - 1;
}
showBoard(parser.handList[lastPosition]);
elements["kifu"].options[lastPosition].selected = true;
elements["kifu"].focus();
elements["kifu"]. {
lastPosition = +elements["kifu"].value;
showBoard(parser.handList[+elements["kifu"].value]);
};
};
})();