v0.36.0 - Bladeburner BitNode (BN-6)

src/CinematicText.js

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+import {Engine}                             from "./engine.js";
+
+import {removeChildrenFromElement,
+        createElement, exceptionAlert}      from "../utils/HelperFunctions.js";
+import {isString}                           from "../utils/StringHelperFunctions.js";
+
+var cinematicTextFlag = false;
+
+//Lines must be an array of strings
+function writeCinematicText(lines) {
+    cinematicTextFlag = true;
+
+    if (lines.constructor !== Array) {
+        throw new Error("Invalid non-array argument passed into writeCinematicText()");
+    }
+
+    //We'll reuse the 'Red Pill' content
+    Engine.loadCinematicTextContent();
+    var container = document.getElementById("cinematic-text-container");
+    container.style.width = "75%";
+    if (container == null) {throw new Error("Could not find cinematic-text-container for writeCinematicText()");}
+    removeChildrenFromElement(container);
+
+    for (var i = 0; i < lines.length; ++i) {
+        if (!isString(lines[i])) {
+            throw new Error("Invalid non-string element in 'lines' argument. writeCinematicText() failed");
+        }
+    }
+
+    return writeCinematicTextRecurse(lines).then(function() {
+        return cinematicTextEnd(); //Puts the continue button
+    }).catch(function(e) {
+        exceptionAlert(e);
+    });
+}
+
+function writeCinematicTextRecurse(lines, lineNumber=0) {
+    if (lineNumber >= lines.length) {return Promise.resolve(true);}
+    return writeCinematicTextLine(lines[lineNumber]).then(function() {
+        return writeCinematicTextRecurse(lines, lineNumber+1);
+    });
+}
+
+function writeCinematicTextLine(line) {
+    return new Promise(function(resolve, reject) {
+        var container = document.getElementById("cinematic-text-container");
+        var pElem = document.createElement("p");
+        container.appendChild(pElem);
+
+        var promise = writeCinematicTextLetter(pElem, line, 0);
+        promise.then(function(res) {
+            resolve(res);
+        }, function(e) {
+            reject(e);
+        });
+    });
+}
+
+function writeCinematicTextLetter(pElem, line, i=0) {
+    return new Promise(function(resolve, reject) {
+        setTimeout(function() {
+            if (i >= line.length) {
+                var textToShow = line.substring(0, i);
+                pElem.innerHTML = textToShow;
+                return resolve(true);
+            }
+            var textToShow = line.substring(0, i);
+            pElem.innerHTML = textToShow + "<span class='typed-cursor'> &#9608; </span>";
+            var promise = writeCinematicTextLetter(pElem, line, i+1);
+            promise.then(function(res) {
+                resolve(res);
+            }, function(e) {
+                reject(e);
+            });
+        }, 15);
+    });
+}
+
+function cinematicTextEnd() {
+    var container = document.getElementById("cinematic-text-container");
+    var mainMenu = document.getElementById("mainmenu-container");
+    container.appendChild(createElement("br"));
+
+    return new Promise (function(resolve, reject) {
+        container.appendChild(createElement("a", {
+            class:"a-link-button", innerText:"Continue...",
+            clickListener:()=>{
+                removeChildrenFromElement(container);
+                Engine.loadTerminalContent();
+                mainMenu.style.visibility = "visible";
+                cinematicTextFlag = false;
+                resolve();
+            }
+        }));
+    });
+}
+
+export {cinematicTextFlag, writeCinematicText};