applyDamage(attackerPlayer: RpgPlayer, skill?: any): {
    damage: number;
    critical: boolean;
    elementVulnerable: boolean;
    guard: boolean;
    superGuard: boolean;
  }

// Physical attack
const result = player.applyDamage(attackerPlayer);
console.log(`Physical damage: ${result.damage}, Critical: ${result.critical}`);

// Magical attack with skill
const fireSkill = { id: 'fire', power: 50, element: 'fire' };
const magicResult = player.applyDamage(attackerPlayer, fireSkill);
console.log(`Magic damage: ${magicResult.damage}, Vulnerable: ${magicResult.elementVulnerable}`);

// Check for guard effects
if (result.guard) {
  console.log('Attack was partially blocked!');
}
if (result.superGuard) {
  console.log('Attack was heavily reduced by super guard!');
}

getFormulas(name: string)

// Get physical damage formula
const physicFormula = player.getFormulas('damagePhysic');
if (physicFormula) {
  const damage = physicFormula(attackerParams, defenderParams);
}

// Get critical damage formula
const criticalFormula = player.getFormulas('damageCritical');
if (criticalFormula) {
  const criticalDamage = criticalFormula(baseDamage, attackerParams, defenderParams);
}