Game.cpp - master - haseew/Lab_6

Game.cpp
129 строк5 KB
Egorchik
Lab_6
28 апр 2026, 17:44
28 апр 2026, 17:44f0a1a80
#include "Game.h"
#include <cmath>

// реализация базового исключения игры
GameException::GameException(const std::string& msg) : std::runtime_error(msg) {}

// исключение при действии мертвого персонажа
ActionByDeadException::ActionByDeadException() : GameException("oshibka: mertvyj personazh ne mozhet deystvovat!") {}

// исключение при неверных характеристиках
InvalidStatsException::InvalidStatsException(const std::string& msg) : GameException(msg) {}

// конструкторы оружия
Weapon::Weapon() : name("bezoruzhen"), damage(0), range(0.0) {}
Weapon::Weapon(std::string n, int d, double r) : name(n), damage(d), range(r) {
    if (damage < 0 || range < 0) {
        throw InvalidStatsException("oshibka: uron i dalnost ne mogut byt otricatelnymi!");
    }
}

std::string Weapon::get_name() const { return name; }

void Weapon::hit(BaseCharacter& actor, BaseCharacter& target) {
    if (!actor.is_alive()) {
        throw ActionByDeadException();
    }
    if (!target.is_alive()) {
        std::cout << "[bozhit] cel uzhe mertva!" << std::endl;
        return;
    }
    // расчет дистанции между персонажами на карте
    double dist = std::sqrt(std::pow(actor.get_x() - target.get_x(), 2) + std::pow(actor.get_y() - target.get_y(), 2));
    if (dist > range) {
        std::cout << "[propah] cel slishkom daleko dlya " << name << " (dist: " << dist << ", range: " << range << ")" << std::endl;
    } else {
        std::cout << "[udar] " << name << " nanosit " << damage << " urona!" << std::endl;
        target.get_damage(damage);
    }
}

std::ostream& operator<<(std::ostream& os, const Weapon& w) {
    os << w.name << " (uron: " << w.damage << ", dist: " << w.range << ")";
    return os;
}

std::istream& operator>>(std::istream& is, Weapon& w) {
    is >> w.name >> w.damage >> w.range;
    return is;
}

// методы базового персонажа
BaseCharacter::BaseCharacter(double x, double y, int health) : pos_x(x), pos_y(y), hp(health) {
    if (hp < 0) {
        throw InvalidStatsException("oshibka: zdorovie ne mozhet byt otricatelnym!");
    }
}

void BaseCharacter::move(double delta_x, double delta_y) {
    if (!is_alive()) throw ActionByDeadException();
    pos_x += delta_x;
    pos_y += delta_y;
    std::cout << "[dvizhenie] peremestilsya na (" << pos_x << ", " << pos_y << ")" << std::endl;
}

bool BaseCharacter::is_alive() const { return hp > 0; }

void BaseCharacter::get_damage(int amount) {
    if (amount < 0) return;
    hp -= amount;
    if (hp < 0) hp = 0;
    std::cout << "[uron] polucheno " << amount << " urona, tekushchee zdorovie: " << hp << std::endl;
}

double BaseCharacter::get_x() const { return pos_x; }
double BaseCharacter::get_y() const { return pos_y; }
int BaseCharacter::get_hp() const { return hp; }

// методы базового врага
BaseEnemy::BaseEnemy(double x, double y, Weapon w, int health) : BaseCharacter(x, y, health), weapon(w) {}

void BaseEnemy::hit(BaseCharacter& target) {
    weapon.hit(*this, target);
}

std::ostream& operator<<(std::ostream& os, const BaseEnemy& e) {
    os << "vrag (hp: " << e.get_hp() << ", poz: " << e.get_x() << "," << e.get_y() << ")";
    return os;
}

// методы главного героя
MainHero::MainHero(double x, double y, std::string n, int health) 
    : BaseCharacter(x, y, health), name(n), current_weapon_idx(-1) {}

void MainHero::hit(BaseCharacter& target) {
    if (current_weapon_idx == -1 || inventory.empty()) {
        std::cout << "Ya bezoruzhen" << std::endl;
        return;
    }
    inventory[current_weapon_idx].hit(*this, target);
}

void MainHero::add_weapon(const Weapon& w) {
    inventory.push_back(w);
    std::cout << "Podobral <" << w.get_name() << ">" << std::endl;
    if (inventory.size() == 1) {
        current_weapon_idx = 0;
    }
}

void MainHero::next_weapon() {
    if (inventory.empty()) {
        std::cout << "Ya bezoruzhen" << std::endl;
        return;
    }
    if (inventory.size() == 1) {
        std::cout << "U menya tolko odno oruzhie" << std::endl;
        return;
    }
    current_weapon_idx = (current_weapon_idx + 1) % inventory.size();
    std::cout << "Smenil oruzhie na <" << inventory[current_weapon_idx].get_name() << ">" << std::endl;
}

void MainHero::heal(int amount) {
    if (!is_alive()) throw ActionByDeadException();
    if (amount < 0) return;
    hp += amount;
    if (hp > 200) hp = 200; // ограничение максимального здоровья по заданию
    std::cout << "Polechilsya, teper zdorovya <" << hp << ">" << std::endl;
}