倉庫番サンプルプラグイン

BoxyBoySample.js

(() => {
  'use strict';

  const pluginName = document.currentScript.src.replace(/^.*\/(.*).js$/, function () {
    return arguments[1];
  });

  const BOXY_BOY_MODE_SWITCH = 41;

  /**
   * @param {Game_Temp.prototype} gameTemp
   */
  function Game_Temp_BoxyBoyMixIn(gameTemp) {
    /**
     * @return {boolean}
     */
    gameTemp.isBoxyBoyMode = function () {
      return $gameSwitches.value(BOXY_BOY_MODE_SWITCH);
    };
  }

  Game_Temp_BoxyBoyMixIn(Game_Temp.prototype);

  /**
   * @param {Game_CharacterBase.prototype} gameCharacterBase
   */
  function Game_CharacterBase_BoxyBoyMixIn(gameCharacterBase) {
    /**
     * @return {boolean}
     */
    gameCharacterBase.canMoveBox = function () {
      return false;
    };

    const _isCollidedWithEvents = gameCharacterBase.isCollidedWithEvents;
    gameCharacterBase.isCollidedWithEvents = function (x, y) {
      /**
       * 倉庫番モードの際、箱はイベントとしてではなく箱として扱う
       */
      return _isCollidedWithEvents.call(this, x, y) && !this.isCollidedWithBox(x, y);
    };

    /**
     * @param {number} x
     * @param {number} y
     * @return {boolean}
     */
    gameCharacterBase.isCollidedWithBox = function (x, y) {
      return !!this.collidedBox(x, y);
    };

    /**
     * 指定座標にいる自身以外の箱をひとつ返す
     * 複数イベントが重なっているケースは考慮していない
     * @param {number} x
     * @param {number} y
     * @return {Game_Event|null}
     */
    gameCharacterBase.collidedBox = function (x, y) {
      return $gameTemp.isBoxyBoyMode() ? $gameMap.eventsXyNt(x, y)
        .find(event => event !== this && event.isNormalPriority() && event.isBox()) : null;
    };

    const _canPass = gameCharacterBase.canPass;
    gameCharacterBase.canPass = function (x, y, d) {
      const canPass = _canPass.call(this, x, y, d);
      const x2 = $gameMap.roundXWithDirection(x, d);
      const y2 = $gameMap.roundYWithDirection(y, d);
      const collidedBox = this.collidedBox(x2, y2);
      if (collidedBox && this.canMoveBox()) {
        /**
         * 押そうとしている箱が動かせるか
         */
        return collidedBox.canPass(x2, y2, d);
      }
      return canPass;
    };

    const _moveStraight = gameCharacterBase.moveStraight;
    gameCharacterBase.moveStraight = function (d) {
      _moveStraight.call(this, d);
      /**
       * 直進した際、押した箱も直進する
       */
      const collidedBox = this.collidedBox(this.x, this.y);
      if (this.isMovementSucceeded() && collidedBox) {
        collidedBox.moveStraight(d);
      }
    };
  }

  Game_CharacterBase_BoxyBoyMixIn(Game_CharacterBase.prototype);

  /**
   * @param {Game_Player.prototype} gamePlayer
   */
  function Game_Player_BoxyBoyMixIn(gamePlayer) {
    /**
     * @return {boolean}
     */
    gamePlayer.canMoveBox = function () {
      return true;
    };
  }

  Game_Player_BoxyBoyMixIn(Game_Player.prototype);

  /**
   * @param {Game_Event.prototype} gameEvent
   */
  function Game_Event_BoxyBoyMixIn(gameEvent) {
    /**
     * @return {boolean}
     */
    gameEvent.canMoveBox = function () {
      return this.isBox();
    };

    /**
     * @return {boolean}
     */
    gameEvent.isBox = function () {
      return this.event() && this.event().meta && this.event().meta.box;
    };
  }

  Game_Event_BoxyBoyMixIn(Game_Event.prototype);
})();