340 lines
6.9 KiB
JavaScript
340 lines
6.9 KiB
JavaScript
var xhr = new XMLHttpRequest();
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xhr.open('GET', 'woods.md?v='+Math.random());
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xhr.onload = function() {
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if(xhr.status===200){
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Game.onload(xhr.responseText);
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}
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};
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xhr.send();
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/*****************************/
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/*****************************/
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/*****************************/
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window._ = {};
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window.Game = {};
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Game.sections = {};
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Game.startSectionID = null;
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Game.dom = document.querySelector("#game_container");
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Game.wordsDOM = document.querySelector("#game_words");
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Game.choicesDOM = document.querySelector("#game_choices");
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Game.queue = [];
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// Parse data!
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Game.onload = function(data){
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// THE FIRST ID
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Game.startSectionID = null;
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// Split into sections...
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data = data.trim();
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data = "\n" + data;
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var sections = data.split(/\n\#\s*/);
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sections.shift();
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sections.forEach(function(section){
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var split_index = section.indexOf("\n\n");
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var id = section.slice(0, split_index).toLocaleLowerCase();
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var text = section.slice(split_index+2);
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// Split into lines
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text = text.trim();
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var lines = text.split("\n\n");
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for(var i=0; i<lines.length; i++) lines[i]=lines[i].trim(); // trim it all!
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// New section
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Game.sections[id] = {
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id: id,
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lines: lines
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};
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if(!Game.startSectionID){
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Game.startSectionID = id;
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}
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});
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// Animation!
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Game.wordsDOM.style.top = "80px";
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var animloop = function(){
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Game.update();
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requestAnimationFrame(animloop);
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};
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requestAnimationFrame(animloop);
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// Let's go!
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Game.start();
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}
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Game.start = function(){
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window._ = {}; // global var, reset
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Game.goto(Game.startSectionID);
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};
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Game.update = function(){
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var wordsHeight = 80 + Game.wordsDOM.getBoundingClientRect().height;
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var currentY = parseFloat(Game.wordsDOM.style.top) || 80;
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var gotoY = (wordsHeight<260) ? 0 : wordsHeight-260;
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gotoY = 80 - gotoY;
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var nextY = currentY*0.9 + gotoY*0.1;
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Game.wordsDOM.style.top = nextY+"px";
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};
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Game.goto = function(sectionID){
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// Clear choices
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Game.choicesDOM.innerHTML = "";
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// Show each line...
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var section = Game.sections[sectionID];
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if(!section){
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throw "NO SECTION NAMED "+sectionID;
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}
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var lines = section.lines;
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Game.queue = Game.queue.concat(lines);
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Game.executeNextLine();
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};
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Game.executeNextLine = function(){
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var doNextLineImmediately = false;
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// Parse handlebars
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var originalLine = Game.queue.shift();
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if(!originalLine) return; // END OF QUEUE.
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line = Game.parseLine(originalLine);
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// Execute line
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var promiseNext;
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if(line!=""){ // none, don't execute...
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// Execute based on what type it is!
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var lineType = Game.getLineType(line);
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switch(lineType){
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case "text":
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promiseNext = Game.executeText(line);
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break;
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case "choice":
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promiseNext = Game.executeChoice(line);
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doNextLineImmediately = true;
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break;
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case "code":
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promiseNext = Game.executeCode(line);
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doNextLineImmediately = true;
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break;
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}
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// If it's a goto, end THIS section immediately.
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if(lineType=="goto"){
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Game.clearQueue(); // CLEAR ALL ELSE IN QUEUE
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Game.executeGoto(line);
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return;
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}
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}
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// Do next line?
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if(Game.queue.length>0){
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promiseNext.then(function(){
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Game.executeNextLine();
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});
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}
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};
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Game.clearQueue = function(){
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Game.queue = [];
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};
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Game.addToQueue = function(line){
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Game.queue.push(line);
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}
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// Execute text! Just add it to text DOM.
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Game.executeText = function(line){
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var div = document.createElement("div");
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var promiseDone = pinkySwear();
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// Is it human or wolf?
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var dialogue;
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var isWolf = /^\>(.*)/.test(line);
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if(isWolf){
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div.className = "wolf-bubble";
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dialogue = line.match(/^\>(.*)/)[1].trim();
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}else{
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div.className = "human-bubble";
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dialogue = line;
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}
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// Add the bubble, with animation
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Game.wordsDOM.appendChild(div);
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requestAnimationFrame(function(){
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requestAnimationFrame(function(){
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div.style.opacity = 1;
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div.style.left = 0;
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});
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});
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// Add the text, letter by letter!
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var interval = 0;
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var SPEED = 40;
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for(var i=0; i<dialogue.length; i++){
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var ch = dialogue[i];
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// for scopin'
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(function(ch, interval){
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setTimeout(function(){
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div.innerHTML += ch;
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}, interval);
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})(ch, interval);
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// Bigger interval
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if(ch=="."){
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interval += SPEED*10;
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}else{
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interval += SPEED;
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}
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}
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// Return promise
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setTimeout(function(){
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promiseDone(true, []);
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}, interval+200);
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return promiseDone;
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}
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// Execute choice! Add it to choice DOM.
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Game.executeChoice = function(line){
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var choiceText = line.match(/\[(.*)\]/)[1].trim();
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var choiceID = line.match(/\(\#(.*)\)/)[1].trim().toLocaleLowerCase();
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var div = document.createElement("div");
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div.innerHTML = choiceText;
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div.onclick = function(){
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Game.addToQueue("> "+choiceText);
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Game.goto(choiceID);
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};
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Game.choicesDOM.appendChild(div);
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// Return promise
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var promiseImmediate = new pinkySwear();
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promiseImmediate(true, []);
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return promiseImmediate;
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}
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// Execute code!
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Game.executeCode = function(line){
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var code = line.match(/\`+([^\`]*)\`+/)[1].trim();
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try{
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eval(code);
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}catch(e){
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console.log(e);
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}
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// Return promise
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var promiseImmediate = new pinkySwear();
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promiseImmediate(true, []);
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return promiseImmediate;
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}
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// Execute goto! Just goto.
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Game.executeGoto = function(line){
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var gotoID = line.match(/^\(\#(.*)\)/)[1].trim().toLocaleLowerCase();
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Game.goto(gotoID);
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}
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// Determine line type... text, choice, or code?
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Game.getLineType = function(line){
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// Is it a choice?
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var isChoice = /\[.*\]\(\#.*\)/.test(line);
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if(isChoice) return "choice";
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// Is it a goto?
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var isGoto = /^\(\#(.*)\)/.test(line);
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if(isGoto) return "goto";
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// Is it code?
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var isCode = /^\`/.test(line);
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if(isCode) return "code";
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// Otherwise, it's text.
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return "text";
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};
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// Parse all the handlebars...
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Game.parseLine = function(line){
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// Get the IFs, if any
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var lookForIfs = true;
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while(lookForIfs){
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lookForIfs = false;
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// Look for an IF!
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var regex = /\{\{if.*\/if\}\}/ig;
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var regexResult = regex.exec(line);
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if(regexResult){
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// The result...
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var fullConditional = regexResult[0];
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var startsAtIndex = regexResult.index;
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var endsAtIndex = startsAtIndex + fullConditional.length;
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// Extract the condition
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var condition = fullConditional.match(/\{\{if\s+([^\{\}]*)\}\}/)[1];
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// Extract the inside text
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var insideText = fullConditional.match(/\}\}([^\{\}]*)\{\{/)[1].trim();
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// Eval condition!
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var conditionIsTrue = false;
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try{
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conditionIsTrue = eval(condition);
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}catch(e){
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console.log(e);
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}
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// Edit the line
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var insert = conditionIsTrue ? insideText : "";
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line = line.slice(0,startsAtIndex) + insert + line.slice(endsAtIndex);
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// Keep searching...
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lookForIfs = true;
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}
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}
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// Return line!
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return line;
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};
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/*****************************/
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/*****************************/
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/*****************************/
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Game.canvas = document.querySelector("#game_canvas");
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Game.canvas.width = 360 * 2;
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Game.canvas.height = 450 * 2;
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Game.canvas.style.width = Game.canvas.width/2 + "px";
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Game.canvas.style.height = Game.canvas.height/2 + "px";
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