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-rw-r--r--mines.js243
1 files changed, 229 insertions, 14 deletions
diff --git a/mines.js b/mines.js
index a2ed0fa..beae4d8 100644
--- a/mines.js
+++ b/mines.js
@@ -17,6 +17,7 @@ function Board(){
this.running = false;
this.started = false;
+
}
Board.prototype = {
@@ -24,14 +25,14 @@ Board.prototype = {
//Second
sec: function(){
- let c = parseInt(sTime.textContent);
- c++;
- sTime.textContent = c;
+ this.time++;
+ sTime.textContent = this.time;
},
//Game states
win: function(){
+ if(!this.running) return;
this.running = false;
clearInterval(this.clock);
this.clock = -1;
@@ -41,6 +42,7 @@ Board.prototype = {
},
lose: function(x, y){
+ if(!this.running) return;
this.running = false;
clearInterval(this.clock);
this.clock = -1;
@@ -63,20 +65,44 @@ Board.prototype = {
}
},
- start: function(x, y){
- this.started = true;
+ closeToStart: function(x, y, sx, sy){
+ let length = Math.sqrt((x-sx)*(x-sx) + (y-sy)*(y-sy));
+ if(length < 1.5) return true;
+ return false;
+ },
+
+ replaceMine: function(x, y, sx, sy){
let flag = false;
- if(this.isMine(x, y)){
+ if(!this.isMine(x, y)) return;
+ while(!flag){
for(let i = 0; i < this.boardDim[1] && !flag; i++){
for(let j = 0; j < this.boardDim[0] && !flag; j++){
- if(!this.isMine(j, i)){
+ if(!this.isMine(i, j) && !this.closeToStart(j, i, sx, sy) && Math.floor(Math.random()*4) == 0){
this.mines[i].push(j);
flag = true;
}
}
}
- this.mines[y].splice(this.mines[y].indexOf(x), 1);
}
+ this.mines[y].splice(this.mines[y].indexOf(x), 1);
+ },
+
+ start: function(x, y){
+ this.started = true;
+
+ let dx = x;
+ this.replaceMine(dx, y, x, y);
+ this.replaceMine(dx, y+1, x, y);
+ this.replaceMine(dx, y-1, x, y);
+ dx++;
+ this.replaceMine(dx, y, x, y);
+ this.replaceMine(dx, y+1, x, y);
+ this.replaceMine(dx, y-1, x, y);
+ dx -= 2;
+ this.replaceMine(dx, y, x, y);
+ this.replaceMine(dx, y+1, x, y);
+ this.replaceMine(dx, y-1, x, y);
+
this.clock = setInterval(this.sec.bind(this), 1000);
},
@@ -86,7 +112,7 @@ Board.prototype = {
let el = e.target;
var x = parseInt(el.getAttribute("x")), y = parseInt(el.getAttribute("y"));
- if(!this.running || el.textContent !== "" || el.classList.contains("chkd")) return;
+ if(!this.running || el.textContent !== " " || el.classList.contains("chkd")) return;
if(!this.started){
this.start(x, y);
@@ -115,7 +141,7 @@ Board.prototype = {
this.mChecked--;
}else if(el.textContent == "?"){
- el.textContent = "";
+ el.textContent = " ";
}else{
el.textContent = "!";
@@ -195,8 +221,15 @@ Board.prototype = {
//Managing the board
reset: function(){
+ setTimeout(this.loading(), 10);
+ setTimeout(this.setup.bind(this), 100);
+ },
+
+ loading: function(){
circle.className = "loading";
-
+ },
+
+ setup: function(){
let x = xIn.value;
let y = yIn.value;
@@ -204,8 +237,13 @@ Board.prototype = {
if(parseFloat(dIn.value) !== 0) mines = Math.round(x*y*parseFloat(dIn.value));
- if(mines >= x*y-1) {
+ if(x <= 3 && y <= 3){
circle.className = "lose";
+ alert("Board size too small!");
+ return;
+ }else if(mines > x*y-9) {
+ circle.className = "lose";
+ alert("Too many mines selected!");
return;
}
@@ -220,10 +258,13 @@ Board.prototype = {
this.mTotal = mines;
this.mChecked = 0;
this.mines = [];
+
this.checked = 0;
+
sMines.textContent = mines;
- sTime.textContent = 0;
+ this.time = 0;
+ sTime.textContent = this.time;
if(this.clock !== -1) clearInterval(this.clock);
this.clock = -1;
@@ -238,6 +279,7 @@ Board.prototype = {
for(let j = 0; j < x; j++){
let cell = document.createElement("td");
+ cell.textContent = " ";
cell.setAttribute("x", j);
cell.setAttribute("y", i);
cell.classList = ["wt"];
@@ -269,5 +311,178 @@ Board.prototype = {
circle.className = "ingame";
this.running = true;
+ },
+
+ // Loading a previously saved game
+
+ getSaveData: function(){
+ var data = {};
+
+ data.mines = this.mines;
+ data.mTotal = this.mTotal;
+ data.checked = this.checked;
+ data.time = this.time;
+
+ var boardState = [];
+
+ for(var i = 0; i < table.children.length; i++){
+ boardState.push([]);
+ let row = table.children[i];
+ for(var j = 0; j < row.children.length; j++){
+ if(row.children[j].textContent == " "){
+ if(row.children[j].classList.contains("chkd")) boardState[i].push("0");
+ else boardState[i].push(" ");
+ }else boardState[i].push(row.children[j].textContent);
+ }
+ }
+
+ data.boardState = boardState;
+
+ return data;
+ },
+
+ loadSaveData: function(e){
+ if(this.clock !== -1) clearInterval(this.clock);
+ this.clock = -1;
+
+ var data;
+
+ try{
+ data = JSON.parse(e.target.result);
+ }catch(err){
+ this.loadError(err);
+ return;
+ }
+
+ while(table.firstChild){
+ table.firstChild.remove();
+ }
+
+ this.mines = data.mines;
+ this.mTotal = data.mTotal;
+ this.mChecked = 0;
+
+ this.boardDim = [data.boardState[0].length, data.boardState.length];
+ this.checked = data.checked;
+
+ this.time = data.time;
+
+ var finFlag = false;
+
+ for(let i = 0; i < data.boardState.length; i++){
+
+ let row = document.createElement("tr");
+
+ this.mines.push([]);
+
+ for(let j = 0; j < data.boardState[0].length; j++){
+
+ let cell = document.createElement("td");
+ cell.classList = ["wt"];
+
+ switch(data.boardState[i][j]){
+ case mine:
+ finFlag = true;
+ case "!":
+ this.mChecked++;
+ default:
+ cell.textContent = data.boardState[i][j];
+ let n = parseInt(data.boardState[i][j]);
+ if(!isNaN(n)){
+ cell.style.color = colors[n-1];
+ cell.className = "chkd";
+ }
+ break;
+
+ case "0":
+ cell.className = "chkd";
+ cell.textContent = " ";
+ break;
+ }
+
+ cell.setAttribute("x", j);
+ cell.setAttribute("y", i);
+
+ cell.addEventListener("click", this.click.bind(this));
+ cell.addEventListener("contextmenu", this.ctxMenu.bind(this));
+ row.appendChild(cell);
+
+ if(mines > 0 && Math.floor(Math.random()*mRarity) == 0){
+ this.mines[i].push(j);
+ mines--;
+ }
+ }
+
+ table.appendChild(row);
+ }
+
+ sMines.textContent = this.mTotal - this.mChecked;
+ sTime.textContent = this.time;
+
+ this.clock = setInterval(this.sec.bind(this), 1000);
+
+ circle.className = "ingame";
+
+ this.running = true;
+ this.started = true;
+
+ if(finFlag){
+ if(this.checked == (this.boardDim[0]*this.boardDim[1] - this.mTotal)) this.win();
+ else this.lose();
+ }
+ },
+
+ loadError: function(err){
+ alert("Error loading previously saved game!\nCheck the console for more info.");
+ throw err;
+ },
+
+ save: function(){
+ if(!this.started){
+ alert("Start a game to save it!");
+ return;
+ }
+ var dat = this.getSaveData();
+ download(JSON.stringify(dat), "MinesSave.mgs", "text/plain");
+ },
+
+ loadFromFile: function(){
+ if(this.running){
+ this.running = false;
+ clearInterval(this.clock);
+ this.clock = -1;
+ circle.className = "loading";
+ }
+
+ if(fileSel.files.length < 1){
+ alert("No file selected!");
+ return;
+ }
+ var file = fileSel.files[0];
+ var fr = new FileReader();
+ fr.addEventListener("load", this.loadSaveData.bind(this));
+ fr.addEventListener("error", this.loadError);
+
+ fr.readAsText(file);
+ }
+};
+
+//Taken from Kanchu on Sack Overflow
+//Reference: https://stackoverflow.com/questions/13405129/javascript-create-and-save-file
+function download(data, filename, type) {
+ var file = new Blob([data], {type: type});
+ if (window.navigator.msSaveOrOpenBlob) // IE10+
+ window.navigator.msSaveOrOpenBlob(file, filename);
+ else { // Others
+ var a = document.createElement("a"),
+ url = URL.createObjectURL(file);
+ a.href = url;
+ a.download = filename;
+ document.body.appendChild(a);
+ a.click();
+ setTimeout(function() {
+ document.body.removeChild(a);
+ window.URL.revokeObjectURL(url);
+ }, 0);
}
-}; \ No newline at end of file
+} \ No newline at end of file