114 lines
2.9 KiB
C++
114 lines
2.9 KiB
C++
#include "bullet.h"
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#include <memory> // Para allocator, unique_ptr, make_unique
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#include <string> // Para char_traits, basic_string, operator+, string
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#include "param.h" // Para Param, ParamGame, param
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#include "resource.h" // Para Resource
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// Constructor
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Bullet::Bullet(float x, float y, BulletType bullet_type, bool powered, Player::Id owner)
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: sprite_(std::make_unique<AnimatedSprite>(Resource::get()->getTexture("bullet.png"), Resource::get()->getAnimation("bullet.ani"))),
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bullet_type_(bullet_type),
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owner_(owner),
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pos_x_(x),
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pos_y_(y) {
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vel_x_ = calculateVelocity(bullet_type_);
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sprite_->setCurrentAnimation(buildAnimationString(bullet_type_, powered));
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collider_.r = WIDTH / 2;
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shiftColliders();
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}
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// Calcula la velocidad horizontal de la bala basada en su tipo
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auto Bullet::calculateVelocity(BulletType bullet_type) -> float {
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switch (bullet_type) {
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case BulletType::LEFT:
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return VEL_X_LEFT;
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case BulletType::RIGHT:
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return VEL_X_RIGHT;
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default:
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return VEL_X_CENTER;
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}
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}
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// Construye el string de animación basado en el tipo de bala y si está potenciada
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auto Bullet::buildAnimationString(BulletType bullet_type, bool powered) -> std::string {
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std::string animation_string = powered ? "powered_" : "normal_";
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switch (bullet_type) {
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case BulletType::UP:
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animation_string += "up";
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break;
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case BulletType::LEFT:
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animation_string += "left";
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break;
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case BulletType::RIGHT:
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animation_string += "right";
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break;
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default:
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break;
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}
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return animation_string;
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}
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// Implementación de render (llama al render del sprite_)
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void Bullet::render() {
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if (bullet_type_ != BulletType::NONE) {
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sprite_->render();
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}
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}
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// Actualiza el estado del objeto
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auto Bullet::update() -> BulletMoveStatus {
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sprite_->update();
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return move();
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}
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// Implementación del movimiento usando BulletMoveStatus
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auto Bullet::move() -> BulletMoveStatus {
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pos_x_ += vel_x_;
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if (pos_x_ < param.game.play_area.rect.x - WIDTH || pos_x_ > param.game.play_area.rect.w) {
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disable();
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return BulletMoveStatus::OUT;
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}
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pos_y_ += VEL_Y;
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if (pos_y_ < param.game.play_area.rect.y - HEIGHT) {
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disable();
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return BulletMoveStatus::OUT;
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}
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shiftSprite();
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shiftColliders();
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return BulletMoveStatus::OK;
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}
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auto Bullet::isEnabled() const -> bool {
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return bullet_type_ != BulletType::NONE;
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}
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void Bullet::disable() {
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bullet_type_ = BulletType::NONE;
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}
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auto Bullet::getOwner() const -> Player::Id {
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return owner_;
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}
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auto Bullet::getCollider() -> Circle& {
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return collider_;
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}
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void Bullet::shiftColliders() {
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collider_.x = pos_x_ + collider_.r;
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collider_.y = pos_y_ + collider_.r;
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}
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void Bullet::shiftSprite() {
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sprite_->setX(pos_x_);
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sprite_->setY(pos_y_);
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}
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