custom_object.js

/* *** ship ***************************************************************** */
function ship(){
  var slot1 = new equip();
  var slot2 = new equip();
  var slot3 = new equip();
  var slot4 = new equip();
  this.firepower = 0;
  this.topedo = 0;
  this.antisubmarine = 0;
  this.equipments = {
                slot1:{
                  equip:slot1,
                  mount:0},
                slot2:{
                  equip:slot2,
                  mount:0},
                slot3:{
                  equip:slot3,
                  mount:0},
                slot4:{
                  equip:slot4,
                  mount:0}
                };
}

//カプセル化のためにアクセサ(getter,setter)は必要。
ship.prototype.getFirepower = function(){
  return this.firepower;
}

ship.prototype.setFirepower = function(fp){
  (! numericCheck(fp) || fp < 0) ? this.firepower = 0 : this.firepower = parseInt(fp);
}

ship.prototype.getTopedo = function(){
  return this.topedo;
}

ship.prototype.setTopedo = function(to){
  (! numericCheck(to) || to < 0) ? this.topedo = 0: this.topedo = parseInt(to);
}
ship.prototype.getMount = function(x){
  var slots = 4;
  if(numericCheck(x) && x >= 0 && x < slots){
    switch (x){
      case 0:
        return this.equipments.slot1.mount;
        break;
      case 1:
        return this.equipments.slot2.mount;
        break;
      case 2:
        return this.equipments.slot3.mount;
        break;
      case 3:
        return this.equipments.slot4.mount;
        break;
      default:
        return null;
    }
  }else{
    return null;
  }
}

ship.prototype.setMount = function(mo, slot){
  var slots = 4;
  var moNumCheck = (numericCheck(mo) && mo > 0) ? true : false;
  var slotNumCheck = (numericCheck(slot) && slot >= 0 && slot < slots) ? true : false;
  if(moNumCheck && slotNumCheck){
    switch (slot){
      case 0:
        this.equipments.slot1.mount = parseInt(mo);
        break;
      case 1:
        this.equipments.slot2.mount = parseInt(mo);
        break;
      case 2:
        this.equipments.slot3.mount = parseInt(mo);
        break;
      case 3:
        this.equipments.slot4.mount = parseInt(mo);
        break;
      default:
        return null;
    }
  }
}

ship.prototype.getAllProp = function(){
  var self = this;
  var keys = Object.keys(this);
  var list = keys.map(function(x){
    return self[x];
  });
  return list;
}

ship.prototype.getEquipFirepower = function(){
  return [this.equipments.slot1.equip.getFirepower(),
          this.equipments.slot2.equip.getFirepower(),
          this.equipments.slot3.equip.getFirepower(),
          this.equipments.slot4.equip.getFirepower()];
}

ship.prototype.sumEquipFirepower = function(){
  var fp = [this.equipments.slot1.equip.getFirepower(),
            this.equipments.slot2.equip.getFirepower(),
            this.equipments.slot3.equip.getFirepower(),
            this.equipments.slot4.equip.getFirepower()];
  return fp.reduce(function(x,y){return x + y;});
}

ship.prototype.getEquipAntisub = function(){
  return [this.equipments.slot1.equip.getAntisubArray(),
          this.equipments.slot2.equip.getAntisubArray(),
          this.equipments.slot3.equip.getAntisubArray(),
          this.equipments.slot4.equip.getAntisubArray()];
}

ship.prototype.sumSurvAntisub = function(){
  var antisubs = [this.equipments.slot1.equip.getAntisubmarine(),
                  this.equipments.slot2.equip.getAntisubmarine(),
                  this.equipments.slot3.equip.getAntisubmarine(),
                  this.equipments.slot4.equip.getAntisubmarine()];
  var types = [this.equipments.slot1.equip.getType(),
               this.equipments.slot2.equip.getType(),
               this.equipments.slot3.equip.getType(),
               this.equipments.slot4.equip.getType()];
  return antisubs.map(function(x,y){return types[y] == 1 ? x : 0;}).reduce(function(x,y){return x + y;});
}

ship.prototype.sumNotSurvAntisub = function(){
  var antisubs = [this.equipments.slot1.equip.getAntisubmarine(),
                  this.equipments.slot2.equip.getAntisubmarine(),
                  this.equipments.slot3.equip.getAntisubmarine(),
                  this.equipments.slot4.equip.getAntisubmarine()];
  var types = [this.equipments.slot1.equip.getType(),
               this.equipments.slot2.equip.getType(),
               this.equipments.slot3.equip.getType(),
               this.equipments.slot4.equip.getType()];
  return antisubs.map(function(x,y){return types[y] != 1 ? x : 0;}).reduce(function(x,y){return x + y;});
}

ship.prototype.getEquipBomb = function(){
  return [this.equipments.slot1.equip.getBomb(),
          this.equipments.slot2.equip.getBomb(),
          this.equipments.slot3.equip.getBomb(),
          this.equipments.slot4.equip.getBomb()];
}

/* *** equip **************************************************************** */
function equip() {
  this.firepower = 0;
  this.topedo = 0;
  this.antisubmarine = 0;
  this.bomb = 0;
  this.type = 0;
}

equip.prototype.getFirepower = function(){
  return this.firepower;
}

equip.prototype.setFirepower = function(fp){
  (! numericCheck(fp) || fp < 0) ? this.firepower = 0 : this.firepower = parseInt(fp);
}

equip.prototype.getTopedo = function(){
  return this.topedo;
}

equip.prototype.setTopedo = function(to){
  (! numericCheck(to) || to < 0) ? this.topedo = 0 : this.topedo = parseInt(to);
}

equip.prototype.getAntisubmarine = function(){
  return this.antisubmarine;
}

equip.prototype.setAntisubmarine = function(as){
  (! numericCheck(as) || as < 0) ? this.antisubmarine = 0 : this.antisubmarine = parseInt(as);
}

equip.prototype.getBomb = function(){
  return this.bomb;
}

equip.prototype.setBomb = function(bo){
  (! numericCheck(bo) || bo < 0) ? this.bomb = 0 : this.bomb = parseInt(bo);
}

equip.prototype.getType = function(){
  return this.type;
}

equip.prototype.setType = function(ty){
  (! numericCheck(ty) || ty < 0) ? this.type = 0 : this.type = parseInt(ty);
}

equip.prototype.getAntisubArray = function(){
  return [this.antisubmarine,
          this.type];
}


/* *** utility ************************************************************** */
function numericCheck(x){
  return (isFinite(x)) ? true : false;
}