example.cpp

#include <iostream>
#include <string>
#include <sstream>
using namespace std;

struct statsBase {
  int stamina;
  int agility;
  int defence;
  int intellect;
  statsBase(int s = 0, int a = 0, int d = 0, int i = 0 ):stamina(s), agility(a), defence(d), intellect(i) {}
};
// matrix {1,1,1,1}

struct armorItem {
  statsBase stats;
  armorItem(int s = 0, int a = 0, int d = 0, int i = 0):stats(s,a,d,i) {}
};

struct armorBase {
  armorItem healm;
  armorItem chest;
  armorItem pants;
  armorItem boots;
};

struct raceBase {
  statsBase boost;
};

struct characterBase {
  statsBase stats;
  raceBase race;
  armorBase armor;
} characterDefault;

// a player is really just a character, so inherit the struct
class Player : public characterBase {
  
  // how much damage the player has taken
  int healthDeficit;
  
  // calculate the total health value
  int totalStamina() {
    int health = 
      stats.stamina +             // base HP
      race.boost.stamina +        // racial HP boost
      armor.healm.stats.stamina + // Armor HP
      armor.chest.stats.stamina +
      armor.pants.stats.stamina +
      armor.boots.stats.stamina ;
    return health;
  }
  
public:
  
  // constructor
  Player() {
    healthDeficit = 0;
  }
  
  // do damage to the player
  void hit(int amount = 0) {
    healthDeficit += amount;
  }
  
  // whats the players HP
  int health() {
    return totalStamina() - healthDeficit;
  }
  
};

int main() {
  
  // create our player
  Player player;
  
  // give the player a nice item
  player.armor.healm = armorItem(15,0,5,3);
  
  // whats our HP ?
  printf( "HP: %d \n", player.health() );
  
  // hit our player for 5 damage
  player.hit(5);
  
  // whats our HP ?
  printf( "HP: %d \n", player.health() );
  
  return 0;
}