File indexing completed on 2024-04-28 15:07:59

 /* GCompris - railroad.js
  *
  * SPDX-FileCopyrightText: 2016 Utkarsh Tiwari <iamutkarshtiwari@kde.org>
  * SPDX-FileCopyrightText: 2018 Amit Sagtani <asagtani06@gmail.com>
  *
  * Authors:
  *   <Pascal Georges> (GTK+ version)
  *   Utkarsh Tiwari <iamutkarshtiwari@kde.org> (Qt Quick port)
  *   Amit Sagtani <asagtani06@gmail.com> (Qt Quick port)
  *
  *   SPDX-License-Identifier: GPL-3.0-or-later
  */
 .pragma library
 .import QtQuick 2.12 as Quick
 .import GCompris 1.0 as GCompris
 .import "qrc:/gcompris/src/core/core.js" as Core
 
 var numberOfLevel = 10
 var solutionArray = []
 var backupListModel = []
 var isNewLevel = true
 var resourceURL = "qrc:/gcompris/src/activities/railroad/resource/"
 var items
 
 /**
 * Stores configuration for each level.
 * 'WagonsInCorrectAnswers' contains no. of wagons in correct answer.
 * 'memoryTime' contains time(in seconds) for memorizing the wagons.
 * 'numberOfSubLevels' contains no. of sublevels in each level.
 * 'columnsInHorizontalMode' contains no. of columns in a row of sampleZone in horizontal mode.
 * 'columnsInVerticalMode' contains no. of columns in a row of sampleZone in vertical mode.
 * 'noOfLocos' stores no. of locos to be displayed in sampleZone.
 * 'noOfWagons' stores no. of wagons to be displayed in sampleZone.
 */
 var dataset = {
     "WagonsInCorrectAnswers": [1, 1, 2, 2, 3, 3, 4, 4, 5, 5],
     "memoryTime": [4, 4, 6, 6, 7, 7, 8, 8, 10, 10],
     "numberOfSubLevels": 3,
     "columnsInHorizontalMode": [3, 5, 3, 5, 3, 5, 3, 5, 3, 5],
     "columsInVerticalMode": [3, 4, 3, 4, 3, 4, 3, 4, 3, 4],
     "noOfLocos": [8, 9, 4, 9, 4, 9, 4, 9, 4, 9],
     "noOfWagons": [4, 11, 8, 11, 8, 11, 8, 11, 8, 11]
 }
 
 function start(items_) {
     items = items_;
     items.score.numberOfSubLevels = dataset["numberOfSubLevels"];
     items.currentLevel = Core.getInitialLevel(numberOfLevel);
     items.score.currentSubLevel = 0;
     initLevel();
 }
 
 function stop() {
     items.trainAnimationTimer.stop();
 }
 
 function initLevel() {
     items.errorRectangle.resetState();
     generateUniqueId();
     items.mouseEnabled = true;
     items.memoryMode = false;
     items.trainAnimationTimer.stop();
     items.animateFlow.stop(); // Stops any previous animations
     items.listModel.clear();
     items.answerZone.currentIndex = 0;
     items.sampleList.currentIndex = 0;
     items.answerZone.selectedSwapIndex = -1;
     if(isNewLevel) {
         // Initiates a new level
         backupListModel = [];
         solutionArray = [];
         //Adds wagons to display in answerZone
         var identifier;
         var idLoco;
         // Adds a loco at the beginning
         idLoco = "loco" + Math.floor(Math.random() * dataset["noOfLocos"][items.currentLevel])
         addWagon(idLoco, items.listModel.length);
         for(var i = 0; i < dataset["WagonsInCorrectAnswers"][items.currentLevel] - 1; i++) {
             do {
                 identifier = "wagon" + Math.floor(Math.random() * dataset["noOfWagons"][items.currentLevel])
             } while (solutionArray.indexOf(identifier) != -1)
             solutionArray.push(identifier);
             addWagon(identifier, i);
         }
         solutionArray.push(idLoco);
 
     } else {
         // Re-setup the same level
         for(var i = 0; i < solutionArray.length; i++) {
             addWagon(solutionArray[i], i);
         }
     }
     if(items.introMessage.visible === false && isNewLevel) {
         items.trainAnimationTimer.start();
     }
     items.trainAnimationTimer.interval = dataset["memoryTime"][items.currentLevel] * 1000;
 }
 
 function nextLevel() {
     items.score.stopWinAnimation();
     items.currentLevel = Core.getNextLevel(items.currentLevel, numberOfLevel);
     items.score.currentSubLevel = 0;
     isNewLevel = true;
     initLevel();
 }
 
 function previousLevel() {
     items.score.stopWinAnimation();
     items.currentLevel = Core.getPreviousLevel(items.currentLevel, numberOfLevel);
     items.score.currentSubLevel = 0;
     isNewLevel = true;
     initLevel();
 }
 
 function restoreLevel() {
     backupListModel = [];
     for (var index = 0; index < items.listModel.count; index++) {
         backupListModel.push(items.listModel.get(index).id);
     }
     isNewLevel = false;
     initLevel();
 }
 
 function nextSubLevel() {
     /* Sets up the next sublevel */
     if(items.score.currentSubLevel >= dataset["numberOfSubLevels"]) {
         items.bonus.good("flower");
     }
     else {
         isNewLevel = true;
         initLevel();
     }
 }
 
 function checkAnswer() {
     items.mouseEnabled = false; // Disables the touch
     /* Checks if the top level setup equals the solutions */
     if(items.listModel.count === solutionArray.length) {
         var isSolution = true;
         for (var index = 0; index < items.listModel.count; index++) {
             if(items.listModel.get(index).id !== solutionArray[index]) {
                 isSolution = false;
                 break;
             }
         }
         if(isSolution == true) {
             items.score.currentSubLevel += 1;
             items.score.playWinAnimation();
             items.audioEffects.play("qrc:/gcompris/src/core/resource/sounds/completetask.wav");
         }
         else {
             items.audioEffects.play("qrc:/gcompris/src/core/resource/sounds/crash.wav");
             items.errorRectangle.startAnimation();
         }
     }
     else {
         items.audioEffects.play("qrc:/gcompris/src/core/resource/sounds/crash.wav");
         items.errorRectangle.startAnimation();
     }
 }
 
 function addWagon(uniqueID, dropIndex) {
     /* Appends wagons to the display area */
     items.listModel.insert(dropIndex, {"id": uniqueID});
 }
 
 function getDropIndex(x) {
     var count = items.listModel.count;
     for (var index = 0; index < count; index++) {
         var xVal = items.answerZone.cellWidth * index;
         var itemWidth = items.answerZone.cellWidth;
         if(x < xVal && index == 0) {
             return 0;
         }
         else if((xVal + itemWidth + items.background.width * 0.0025) <= x && index == (count - 1)) {
             return count;
         }
         else if(xVal <= x && x < (xVal + itemWidth + items.background.width * 0.0025)) {
             return index + 1;
         }
     }
     return 0;
 }
 
 function generateUniqueId() {
     var uniqueIds = [];
     var index;
     for(index = 0; index < dataset["noOfLocos"][items.currentLevel]; index++) {
         uniqueIds.push("loco" + index);
     }
     for(index = 0; index < dataset["noOfWagons"][items.currentLevel]; index++) {
         uniqueIds.push("wagon" + index);
     }
     items.uniqueId = uniqueIds;
 }