Ifractions-web/js/customMenu.js

/**
 * SECUNDARY MENU STATE: player can select game mode, math operation and overall game difficulty
 * 
 * @namespace
 */
const customMenuState = {

  /**
   * Preloads media for current state
   */
  preload: function () {

    // LOADING MEDIA
    game.load.sprite(url[gameTypeString].sprite);
    game.load.image(url[gameTypeString].image);

  },

  /**
   * Main code
   */
  create: function () {

    const iconScale = 0.7;
    const baseY = 270 - 40;
    this.menuIcons = [];
    this.activeIcons = this.menuIcons;

    // Background color
    game.add.graphic.rect(0, 0, 900, 600, undefined, 0, colors.blueBckg, 1);
    // Floor
    for (let i = 0; i < defaultWidth / 100; i++) { game.add.image(i * 100, 501, 'floor'); }

    // Overtitle : Selected game
    game.add.text(defaultWidth / 2, 40, game.lang.game + ": " + menuState.menuIcons, textStyles.h4_brown);
    // Title : Customize the selected game
    game.add.text(defaultWidth / 2, 80, game.lang.custom_game, textStyles.h1_green);

    // Loads navigation icons
    navigationIcons.func_addIcons(
      true, false, false,
      true, true,
      'menu', false);

    let x = 150;
    let y = 200 - 40;
    let width = 5;
    let height = 280 + 80;
    let offsetW = 600 / 6;
    let offsetH, infoIcon;

    // Label 'Game Mode'
    game.add.text(x + offsetW - 12, y, game.lang.game_mode, textStyles.h2_blue_2);

    infoIcon = game.add.image(x + 2 * offsetW - 30, y - 40, 'info', 0.5, 0.6);
    infoIcon.anchor(0.5, 0.5);
    infoIcon.iconType = 'infoIcon';
    this.menuIcons.push(infoIcon);

    // Label 'Operation'
    game.add.text(x + 3 * offsetW, y, game.lang.operation, textStyles.h2_blue_2);

    infoIcon = game.add.image(x + 4 * offsetW - 30, y - 40, 'info', 0.5, 0.6);
    infoIcon.anchor(0.5, 0.5);
    infoIcon.iconType = 'infoIcon';
    this.menuIcons.push(infoIcon);

    // Label 'Difficulty'
    game.add.text(x + 5 * offsetW, y, game.lang.difficulty, textStyles.h2_blue_2);

    infoIcon = game.add.image(x + 6 * offsetW - 30, y - 40, 'info', 0.5, 0.6);
    infoIcon.anchor(0.5, 0.5);
    infoIcon.iconType = 'infoIcon';
    this.menuIcons.push(infoIcon);

    // Horizontal line
    game.add.graphic.rect(x - 25, y + 10, 600 + 50, width, undefined, 0, colors.blueMenuLine).anchor(0, 0.5);
    // Vertical lines
    game.add.graphic.rect(x + 2 * offsetW, y - 25, width, height, undefined, 0, colors.blueMenuLine).anchor(0.5, 0);
    game.add.graphic.rect(x + 4 * offsetW, y - 25, width, height, undefined, 0, colors.blueMenuLine).anchor(0.5, 0);

    // --------------------------- TURN ON/OFF FRACTION LABELS / RECTANGLE GUIDE

    // Horizontal line
    game.add.graphic.rect(x + 4 * offsetW, y + 136, 200 + 25, width, undefined, 0, colors.blueMenuLine).anchor(0, 0.5);

    // Label 'Show Fractions / Auxiliar rectangles'
    game.add.text(x + 5 * offsetW, y + 102, game.lang.show, textStyles.h4_blue_2);

    infoIcon = game.add.image(x + 6 * offsetW + 20, y + 102, 'info', 0.5, 0.6);
    infoIcon.anchor(0.5, 0.5);
    infoIcon.iconType = 'infoIcon';
    this.menuIcons.push(infoIcon);

    if (gameTypeString == 'squareTwo') {
      game.add.text(x + 5 * offsetW + 10, y + 102 + 24, game.lang.aux_rectangle, textStyles.h4_blue_2);
    } else {
      game.add.text(x + 5 * offsetW, y + 102 + 24, game.lang.title, textStyles.h2_blue_2);
    }

    // Selection box
    y += 40;
    const frame = (fractionLabel) ? 1 : 0;

    const selectionBox = game.add.sprite(x + 5 * offsetW, y + 102 + 24 - 2, 'select', frame, 0.11);
    selectionBox.anchor(0.5, 0.5);
    selectionBox.iconType = 'selectionBox';
    this.menuIcons.push(selectionBox);

    // --------------------------- GAME MODE ICONS

    x = 150 + offsetW;
    y = baseY;
    offsetH = this.func_getOffset(height, info[gameTypeString].gameModeType.length);

    for (let i = 0; i < info[gameTypeString].gameModeTypeUrl.length; i++, y += offsetH) {
      const icon = game.add.sprite(x, y, info[gameTypeString].gameModeTypeUrl[i], 0, iconScale, 1);
      icon.anchor(0.5, 0.5);

      icon.gameModeType = info[gameTypeString].gameModeType[i];
      icon.iconType = 'gameMode';
      if (i == 0) {
        gameModeType = icon.gameModeType;
        icon.curFrame = 1;
      }

      this.menuIcons.push(icon);
    }

    // --------------------------- GAME OPERATION ICONS

    x += 2 * offsetW;
    y = baseY;
    offsetH = this.func_getOffset(height, info[gameTypeString].gameOperationType.length);

    let icon;
    let aux = [];
    aux['squareOne'] = [
      ['operation_plus', 'Plus'],
      ['operation_minus', 'Minus']
    ];
    aux['circleOne'] = [
      ['operation_plus', 'Plus'],
      ['operation_minus', 'Minus'],
      ['operation_mixed', 'Mixed']
    ];
    aux['squareTwo'] = [
      ['operation_equals', 'Equals'],
    ];

    // Placing math operation icons
    for (let i = 0; i < aux[gameTypeString].length; i++, y += offsetH) {
      icon = game.add.sprite(x, y, aux[gameTypeString][i][0], 0, iconScale, 1);
      icon.anchor(0.5, 0.5);

      icon.gameOperationType = aux[gameTypeString][i][1];
      icon.iconType = 'gameOperation';

      if (i == 0) {
        gameOperationType = icon.gameOperationType;
        icon.curFrame = 1;
      }

      this.menuIcons.push(icon);
    }

    // --------------------------- DIFFICULTY ICONS

    x = (gameTypeString == 'squareOne') ? 625 : 585;
    y = baseY - 25;

    for (let i = 0; i < info[gameTypeString].gameDifficulty; i++) {
      // Parameters
      const curX = x + (30 + 10) * i;

      // Difficulty menuIcons
      const icon = game.add.graphic.rect(curX, y, 30, 30, undefined, 0, colors.gray, 1);
      icon.anchor(0.5, 0.5);
      icon.difficulty = i + 1;
      icon.iconType = 'difficulty';

      if (i == 0) {
        gameDifficulty = icon.difficulty;
        icon.fillColor = colors.blue;
      }
      this.menuIcons.push(icon);

      // Difficulty numbers
      game.add.text(curX, y + 7, i + 1, textStyles.h4_white);
    }

    // --------------------------- ENTER ICON

    x = defaultWidth - 100;
    y = defaultHeight - 110;

    const enterIcon = game.add.image(x, y, 'bush');
    enterIcon.anchor(0.5, 0.5);
    enterIcon.iconType = 'enter';

    this.menuIcons.push(enterIcon);

    this.enterText = game.add.text(x, y, game.lang.continue, textStyles.h4_white);

    // --------------------------- INFORMATION BOX

    let cur;
    this.infoBoxElements = []; // grouped to be displayed/hidden when info box is oppened/closed

    cur = game.add.graphic.rect(0, 0, defaultWidth, defaultHeight, undefined, 0, colors.black, 0.6);
    cur.alpha = 0;
    cur.originalAlpha = 0.6;
    this.infoBoxElements.push(cur);

    cur = game.add.graphic.rect(100, 100, defaultWidth - 200, defaultHeight - 200, colors.blue, 2, colors.blueBckg, 1);
    cur.alpha = 0;
    this.infoBoxElements.push(cur);

    this.closeIcon = game.add.image(defaultWidth - 128, 125, 'close', 0.12);
    this.closeIcon.anchor(0.5, 0.5);
    this.closeIcon.alpha = 0;
    this.closeIcon.iconType = 'infoBox';
    this.infoBoxElements.push(this.closeIcon);

    // ------------- EVENTS

    game.event.add('click', this.func_onInputDown);
    game.event.add('mousemove', this.func_onInputOver);

  },

  /**
   * Saves information selected by the player 
   * 
   * @param {object} icon selected icon
   */
  func_load: function (icon) {

    if (audioStatus) game.audio.beepSound.play();

    const type = icon.iconType;
    switch (type) {
      case 'gameMode': gameModeType = icon.gameModeType; break;
      case 'gameOperation': gameOperationType = icon.gameOperationType; break;
      case 'difficulty': gameDifficulty = icon.difficulty; break;
      case 'infoIcon': self.func_showInfoBox(); break;
      case 'infoBox': self.func_closeInfoBox(); break;
      case 'selectionBox':
        if (icon.curFrame == 0) {
          icon.curFrame = 1;
          fractionLabel = true;
        } else {
          icon.curFrame = 0;
          fractionLabel = false;
        }
        game.render.all();
        break;
      case 'enter':
        if (debugMode) console.log('Game State: ' + gameTypeString + ', ' + gameModeType);
        mapPosition = 0;      // Map position
        mapMove = true;       // Move no next point
        completedLevels = 0;  // Reset the game progress when entering a new level
        game.state.start('map');
        break;
    }

  },

  /**
   * Calculate spacing for icons on the menu screen
   * 
   * @param {number} width width of the available part of the screen
   * @param {number} numberOfIcons number or icons to be put on the screen
   * @returns {number}
   */
  func_getOffset: function (width, numberOfIcons) {
    return width / (numberOfIcons + 1);
  },

  /**
   * Displays game menu information boxes.
   */
  func_showInfoBox: function () {
    navigationIcons.func_addIcons( // Turn off navigation icons
      false, false, false,
      false, false,
      false, false);
    self.infoBoxElements.forEach(cur => { cur.alpha = (cur.originalAlpha) ? cur.originalAlpha : 1; }); // Make info box visible
    self.activeIcons = [self.closeIcon]; // Update activeIcons to info box icons
  },

  /**
   * Closes game menu information boxes.
   */
  func_closeInfoBox: function () {
    navigationIcons.func_addIcons( // Turn on navigation icons
      true, false, false,
      true, true,
      'menu', false);
    self.infoBoxElements.forEach(cur => { cur.alpha = 0; }); // Make info box invisible
    self.activeIcons = self.menuIcons; // Update activeIcons to custom menu icons
  },

  /**
   * Called by mouse click event
   * 
   * @param {object} mouseEvent contains the mouse click coordinates
   */
  func_onInputDown: function (mouseEvent) {
    const x = mouseEvent.offsetX, y = mouseEvent.offsetY;
    let overIcon;

    // Check if clicked on an icon
    for (let i in self.activeIcons) {
      if (game.math.isOverIcon(x, y, self.activeIcons[i])) {
        overIcon = i;
        break;
      }
    }

    // Update gui
    if (overIcon) { // if has clicked on an icon
      document.body.style.cursor = 'pointer';
      self.activeIcons.forEach(cur => {
        if (cur.iconType == self.activeIcons[overIcon].iconType) { // if its in the same icon category
          if (cur == self.activeIcons[overIcon]) { // if its the clicked icon
            if (cur.iconType == 'gameMode' || cur.iconType == 'gameOperation') cur.curFrame = 1;
            else if (cur.iconType == 'difficulty') cur.fillColor = colors.blue;
          } else {
            if (cur.iconType == 'gameMode' || cur.iconType == 'gameOperation') cur.curFrame = 0;
            else if (cur.iconType == 'difficulty') cur.fillColor = colors.gray;
          }
        }
      });

      self.func_load(self.activeIcons[overIcon]);

    } else document.body.style.cursor = 'auto';

    navigationIcons.func_onInputDown(x, y);

    game.render.all();

  },

  /**
   * Called by mouse move event
   * 
   * @param {object} mouseEvent contains the mouse move coordinates
   */
  func_onInputOver: function (mouseEvent) {
    const x = mouseEvent.offsetX, y = mouseEvent.offsetY;
    let overIcon;

    // Check if pointer is over an icon
    for (let i in self.activeIcons) {
      if (game.math.isOverIcon(x, y, self.activeIcons[i])) {
        overIcon = i;
        break;
      }
    }

    // Update gui
    if (overIcon) { // if pointer is over icon
      document.body.style.cursor = 'pointer';
      self.activeIcons.forEach(cur => {
        if (cur.iconType == self.activeIcons[overIcon].iconType) { // if its in the same icon category
          if (cur == self.activeIcons[overIcon]) { // if its the icon the pointer is over 
            if (cur.iconType == 'enter') self.enterText.style = textStyles.h3__white;
            cur.scale = cur.originalScale * 1.1;
          } else {
            cur.scale = cur.originalScale;
          }
        }
      });
    } else { // if pointer is not over icon
      self.enterText.style = textStyles.h4_white;
      self.activeIcons.forEach(cur => { cur.scale = cur.originalScale; });
      document.body.style.cursor = 'auto';
    }

    // Check navigation icons
    navigationIcons.func_onInputOver(x, y);

    game.render.all();

  },

}