blocks.js

var i18n = require('./locale');

var blocksToDisplayText = {
  bedrock: i18n.blockTypeBedrock(),
  bricks: i18n.blockTypeBricks(),
  clay: i18n.blockTypeClay(),
  oreCoal: i18n.blockTypeOreCoal(),
  dirtCoarse: i18n.blockTypeDirtCoarse(),
  doorIron: i18n.blockTypeDoorIron(),
  cobblestone: i18n.blockTypeCobblestone(),
  oreDiamond: i18n.blockTypeOreDiamond(),
  dirt: i18n.blockTypeDirt(),
  oreEmerald: i18n.blockTypeOreEmerald(),
  farmlandWet: i18n.blockTypeFarmlandWet(),
  glass: i18n.blockTypeGlass(),
  glowstone: i18n.blockTypeGlowstone(),
  oreGold: i18n.blockTypeOreGold(),
  grass: i18n.blockTypeGrass(),
  gravel: i18n.blockTypeGravel(),
  clayHardened: i18n.blockTypeClayHardened(),
  oreIron: i18n.blockTypeOreIron(),
  oreLapis: i18n.blockTypeOreLapis(),
  lava: i18n.blockTypeLava(),
  logAcacia: i18n.blockTypeLogAcacia(),
  logBirch: i18n.blockTypeLogBirch(),
  logJungle: i18n.blockTypeLogJungle(),
  logOak: i18n.blockTypeLogOak(),
  logSpruce: i18n.blockTypeLogSpruce(),
  planksAcacia: i18n.blockTypePlanksAcacia(),
  planksBirch: i18n.blockTypePlanksBirch(),
  planksJungle: i18n.blockTypePlanksJungle(),
  planksOak: i18n.blockTypePlanksOak(),
  planksSpruce: i18n.blockTypePlanksSpruce(),
  pressurePlateUp: i18n.blockTypePressurePlateUp(),
  oreRedstone: i18n.blockTypeOreRedstone(),
  rail: i18n.blockTypeRail(),
  railsRedstoneTorch: i18n.blockTypeRailsRedstoneTorch(),
  redstoneWire: i18n.blockTypeRedstoneWire(),
  sand: i18n.blockTypeSand(),
  sandstone: i18n.blockTypeSandstone(),
  stone: i18n.blockTypeStone(),
  tnt: i18n.blockTypeTnt(),
  tree: i18n.blockTypeTree(),
  water: i18n.blockTypeWater(),
  wool: i18n.blockTypeWool(),
  wool_orange: i18n.blockTypeWoolOrange(),
  wool_blue: i18n.blockTypeWoolBlue(),
  wool_magenta: i18n.blockTypeWoolMagenta(),
  wool_pink: i18n.blockTypeWoolPink(),
  wool_red: i18n.blockTypeWoolRed(),
  wool_yellow: i18n.blockTypeWoolYellow(),
  '': i18n.blockTypeEmpty()
};

var allBlocks = [
  'bedrock',
  'bricks',
  'clay',
  'oreCoal',
  'dirtCoarse',
  'cobblestone',
  'oreDiamond',
  'dirt',
  'oreEmerald',
  'farmlandWet',
  'glass',
  'oreGold',
  'grass',
  'gravel',
  'clayHardened',
  'oreIron',
  'oreLapis',
  'lava',
  'logAcacia',
  'logBirch',
  'logJungle',
  'logOak',
  'logSpruce',
  'planksAcacia',
  'planksBirch',
  'planksJungle',
  'planksOak',
  'planksSpruce',
  'oreRedstone',
  'sand',
  'sandstone',
  'stone',
  'tnt',
  'tree',
  'wool'];

function keysToDropdownOptions(keysList) {
  return keysList.map(function (key) {
    var displayText = (blocksToDisplayText[key] || key);
    return [displayText, key];
  });
}

// Install extensions to Blockly's language and JavaScript generator.
exports.install = function (blockly, blockInstallOptions) {
  var dropdownBlocks = (blockInstallOptions.level.availableBlocks || []).concat(
    JSON.parse(window.localStorage.getItem('craftPlayerInventory')) || []);

  var dropdownBlockSet = {};

  dropdownBlocks.forEach(function (type) {
    dropdownBlockSet[type] = true;
  });

  var craftBlockOptions = {
    inventoryBlocks: Object.keys(dropdownBlockSet),
    ifBlockOptions: blockInstallOptions.level.ifBlockOptions,
    placeBlockOptions: blockInstallOptions.level.placeBlockOptions
  };

  var inventoryBlocksEmpty = !craftBlockOptions.inventoryBlocks ||
      craftBlockOptions.inventoryBlocks.length === 0;
  var allDropdownBlocks = inventoryBlocksEmpty ?
      allBlocks : craftBlockOptions.inventoryBlocks;

  blockly.Blocks.craft_moveForward = {
    helpUrl: '',
    init: function () {
      this.setHSV(184, 1.00, 0.74);
      this.appendDummyInput()
          .appendTitle(new blockly.FieldLabel(i18n.blockMoveForward()));
      this.setPreviousStatement(true);
      this.setNextStatement(true);
    }
  };

  blockly.Generator.get('JavaScript').craft_moveForward = function () {
    return 'moveForward(\'block_id_' + this.id + '\');\n';
  };

  blockly.Blocks.craft_moveBackward = {
    helpUrl: '',
    init: function () {
      this.setHSV(184, 1.00, 0.74);
      this.appendDummyInput()
          .appendTitle(new blockly.FieldLabel(i18n.blockMoveBackward()));
      this.setPreviousStatement(true);
      this.setNextStatement(true);
    }
  };

  blockly.Generator.get('JavaScript').craft_moveBackward = function () {
    return 'moveBackward(\'block_id_' + this.id + '\');\n';
  };

  blockly.Blocks.craft_turn = {
    // Block for turning left or right.
    helpUrl: 'http://code.google.com/p/blockly/wiki/Turn',
    init: function () {
      this.setHSV(184, 1.00, 0.74);
      this.appendDummyInput()
          .appendTitle(new blockly.FieldDropdown(this.DIRECTIONS), 'DIR');
      this.setPreviousStatement(true);
      this.setNextStatement(true);
    }
  };

  blockly.Blocks.craft_turn.DIRECTIONS =
      [[i18n.blockTurnLeft() + ' \u21BA', 'left'],
       [i18n.blockTurnRight() + ' \u21BB', 'right']];

  blockly.Generator.get('JavaScript').craft_turn = function () {
    // Generate JavaScript for turning left or right.
    var dir = this.getTitleValue('DIR');
    var methodCall = dir === "left" ? "turnLeft" : "turnRight";
    return methodCall + '(\'block_id_' + this.id + '\');\n';
  };

  blockly.Blocks.craft_destroyBlock = {
    helpUrl: '',
    init: function () {
      this.setHSV(184, 1.00, 0.74);
      this.appendDummyInput()
          .appendTitle(new blockly.FieldLabel(i18n.blockDestroyBlock()));
      this.setPreviousStatement(true);
      this.setNextStatement(true);
    }
  };

  blockly.Generator.get('JavaScript').craft_destroyBlock = function () {
    return 'destroyBlock(\'block_id_' + this.id + '\');\n';
  };

  blockly.Blocks.craft_ifBlockAhead = {
    helpUrl: '',
    init: function () {
      var dropdownOptions = keysToDropdownOptions(craftBlockOptions.ifBlockOptions || allDropdownBlocks);
      var dropdown = new blockly.FieldDropdown(dropdownOptions);
      dropdown.setValue(dropdownOptions[0][1]);
      this.setHSV(196, 1.0, 0.79);
      this.appendDummyInput()
          .appendTitle(i18n.blockIf())
          .appendTitle(dropdown, 'TYPE')
          .appendTitle(i18n.blockWhileXAheadAhead());
      this.appendStatementInput('DO')
          .appendTitle(i18n.blockWhileXAheadDo());
      this.setPreviousStatement(true);
      this.setNextStatement(true);
    }
  };

  blockly.Generator.get('JavaScript').craft_ifBlockAhead = function () {
    var innerCode = blockly.Generator.get('JavaScript').statementToCode(this, 'DO');
    var blockType = this.getTitleValue('TYPE');
    return 'ifBlockAhead("' + blockType + '", function() {\n' +
      innerCode +
    '}, \'block_id_' + this.id + '\');\n';
  };


  blockly.Blocks.craft_ifLavaAhead = {
    helpUrl: '',
    init: function () {
      this.setHSV(196, 1.0, 0.79);
      this.appendDummyInput()
          .appendTitle(i18n.blockIfLavaAhead());
      this.appendStatementInput('DO')
          .appendTitle(i18n.blockWhileXAheadDo());
      this.setPreviousStatement(true);
      this.setNextStatement(true);
    }
  };

  blockly.Generator.get('JavaScript').craft_ifLavaAhead = function () {
    var innerCode = blockly.Generator.get('JavaScript').statementToCode(this, 'DO');
    return 'ifLavaAhead(function() {\n' +
      innerCode +
    '}, \'block_id_' + this.id + '\');\n';
  };

  blockly.Blocks.craft_placeBlock = {
    helpUrl: '',
    init: function () {
      var dropdownOptions = keysToDropdownOptions(craftBlockOptions.placeBlockOptions || allDropdownBlocks);
      var dropdown = new blockly.FieldDropdown(dropdownOptions);
      dropdown.setValue(dropdownOptions[0][1]);

      this.setHSV(184, 1.00, 0.74);
      this.appendDummyInput()
          .appendTitle(i18n.blockPlaceXPlace())
          .appendTitle(dropdown, 'TYPE');
      this.setPreviousStatement(true);
      this.setNextStatement(true);
    }
  };

  blockly.Generator.get('JavaScript').craft_placeBlock = function () {
    var blockType = this.getTitleValue('TYPE');
    return 'placeBlock("' + blockType + '", \'block_id_' + this.id + '\');\n';
  };

  const fourDirections = [
    [i18n.directionForward(), '0'],
    [i18n.directionBack(), '2'],
    [i18n.directionLeft(), '3'],
    [i18n.directionRight(), '1'],
  ];

  blockly.Blocks.craft_placeBlockDirection = {
    helpUrl: '',
    init: function () {
      var dropdownOptions = keysToDropdownOptions(craftBlockOptions.placeBlockOptions || allDropdownBlocks);
      var dropdown = new blockly.FieldDropdown(dropdownOptions);
      dropdown.setValue(dropdownOptions[0][1]);

      this.setHSV(184, 1.00, 0.74);
      this.appendDummyInput()
        .appendTitle(i18n.blockPlaceXPlace())
        .appendTitle(dropdown, 'TYPE')
        .appendTitle(' ')
        .appendTitle(new blockly.FieldDropdown(fourDirections), 'DIR');
      this.setPreviousStatement(true);
      this.setNextStatement(true);
    }
  };

  blockly.Generator.get('JavaScript').craft_placeBlockDirection = function () {
    var blockType = this.getTitleValue('TYPE');
    var direction = this.getTitleValue('DIR');
    return 'placeDirection("' + blockType + '", "' + direction + '", \'block_id_' + this.id + '\');\n';
  };
};