Merge branch 'feat/entities-yaml-player': configuració del player en YAML

data/entities/player/player.yaml

@@ -0,0 +1,43 @@
+name: player_ship
+
+# Shape de la nau. Resolt per ShapeLoader (busca a "shapes/<path>").
+# Nota: el segon jugador rep un override del shape ("ship2.shp") al ctor.
+# Quan s'introdueixin variants reals de nau, es crearà un YAML separat
+# per cada model.
+shape:
+  path: ship.shp
+
+physics:
+  mass: 10.0
+  restitution: 0.6
+  linear_damping: 1.5
+  angular_damping: 0.0
+  collision_radius: 12.0
+  rotation_speed: 3.14   # rad/s (~180 deg/s, input-driven sense inercia)
+  acceleration: 400.0    # px/s^2 multiplicat per la massa quan THRUST
+  max_velocity: 180.0    # px/s (clamp post-integració per preservar feel arcade)
+  # Factor de transferència del moment lineal de la nau a l'enemic en el
+  # frame exacte que mor per col·lisió (afegit per damunt del rebot natural).
+  death_impact_factor: 0.3
+
+invulnerability:
+  duration: 3.0          # segons d'invulnerabilitat post-respawn
+  blink_visible: 0.1     # segons visible per cicle de parpelleig
+  blink_invisible: 0.1   # segons invisible per cicle de parpelleig
+
+hurt:
+  duration: 15.0         # segons en estat "ferit" abans de tornar a normal
+  blink_hz: 10.0         # freqüència parpelleig color normal <-> color hurt
+
+# Empenta visual: la nau s'escala lleugerament amb la velocitat.
+# Manté la sensació del Pascal original (0..MAX_VEL → 1.0..~1.5).
+visual_thrust:
+  push_divisor: 33.33
+  scale_divisor: 12.0
+
+colors:
+  normal: [255, 255, 255]  # blanc neutre
+  hurt:   [255, 220, 60]   # daurat (estat ferit)
+
+weapon:
+  bullet_speed: 700.0      # velocitat escalar de la bullet (px/s)

source/core/defaults.hpp

@@ -25,7 +25,6 @@
 #include "core/defaults/physics.hpp"
 #include "core/defaults/playfield.hpp"
 #include "core/defaults/rendering.hpp"
-#include "core/defaults/ship.hpp"
 #include "core/defaults/starfield_parallax.hpp"
 #include "core/defaults/title.hpp"
 #include "core/defaults/trail.hpp"

source/core/defaults/enemies.hpp

@@ -3,8 +3,6 @@
 
 #pragma once
 
-#include "core/defaults/entities.hpp"
-
 namespace Defaults::Enemies {
 
     // Cuerpo físico común (valores por defecto del constructor)
@@ -78,10 +76,13 @@ namespace Defaults::Enemies {
 
     // Spawn safety and invulnerability system
     namespace Spawn {
-        // Safe spawn distance from player
-        constexpr float SAFETY_DISTANCE_MULTIPLIER = 3.0F;                                               // 3x ship radius
-        constexpr float SAFETY_DISTANCE = Defaults::Entities::SHIP_RADIUS * SAFETY_DISTANCE_MULTIPLIER;  // 36.0f px
-        constexpr int MAX_SPAWN_ATTEMPTS = 50;                                                           // Max attempts to find safe position
+        // Safe spawn distance from player. Antic: SHIP_RADIUS(12) * 3 = 36 px.
+        // SHIP_RADIUS ha migrat al YAML del player; aquesta constant es
+        // mantindrà fixa fins al PR de migració dels enemics a YAML, on
+        // passarà a derivar-se en runtime del player_config.
+        constexpr float SAFETY_DISTANCE_MULTIPLIER = 3.0F;
+        constexpr float SAFETY_DISTANCE = 36.0F;
+        constexpr int MAX_SPAWN_ATTEMPTS = 50;  // Max attempts to find safe position
 
         // Invulnerability system
         constexpr float INVULNERABILITY_DURATION = 3.0F;          // Seconds

source/core/defaults/entities.hpp

@@ -8,7 +8,7 @@ namespace Defaults::Entities {
     constexpr int MAX_ORNIS = 15;
     constexpr int MAX_BULLETS = 50;
 
-    constexpr float SHIP_RADIUS = 12.0F;
+    // SHIP_RADIUS migrat a data/entities/player/player.yaml (physics.collision_radius).
     constexpr float ENEMY_RADIUS = 20.0F;
     constexpr float BULLET_RADIUS = 3.0F;
 

source/core/defaults/game.hpp

@@ -29,7 +29,7 @@ namespace Defaults::Game {
     // Friendly fire system
     constexpr bool FRIENDLY_FIRE_ENABLED = true;               // Activar friendly fire
     constexpr float COLLISION_BULLET_PLAYER_AMPLIFIER = 1.0F;  // Hitbox exacto (100%)
-    constexpr float BULLET_SPEED = 700.0F;                     // Velocidad escalar (px/s). Pascal: 7 px/frame × 20 FPS
+    // BULLET_SPEED migrat a data/entities/player/player.yaml (weapon.bullet_speed).
 
     // Transición LEVEL_START (mensajes aleatorios PRE-level)
     constexpr float LEVEL_START_DURATION = 3.0F;      // Duración total

source/core/defaults/physics.hpp

@@ -5,10 +5,10 @@
 
 namespace Defaults::Physics {
 
-    constexpr float ROTATION_SPEED = 3.14F;  // rad/s (~180°/s)
-    constexpr float ACCELERATION = 400.0F;   // px/s²
-    constexpr float MAX_VELOCITY = 180.0F;   // px/s
-    constexpr float FRICTION = 20.0F;        // px/s²
+    // NOTA: els paràmetres específics de la nau del player (rotation_speed,
+    // acceleration, max_velocity, death_impact_factor) viuen ara a
+    // data/entities/player/player.yaml. La migració d'aquests fitxers va
+    // començar amb la nau; els enemics i les bales són els següents.
 
     // Bullet — impacto físico contra enemigo (impulse mass-aware).
     // Model: el impulse és el moment lineal de la bala (m·v) multiplicat per
@@ -18,14 +18,6 @@ namespace Defaults::Physics {
         constexpr float IMPACT_MOMENTUM_FACTOR = 3.0F;  // Factor de transferència de moment bala→enemic
     }  // namespace Bullet
 
-    // Ship → enemy: impuls explícit aplicat a l'enemic en el moment exacte
-    // que la nau mor per col·lisió amb ell (afegit per damunt del rebot
-    // natural de PhysicsWorld, que ja és present però subtil amb la
-    // damping de la nau).
-    namespace Ship {
-        constexpr float DEATH_IMPACT_MOMENTUM_FACTOR = 0.3F;
-    }  // namespace Ship
-
     // Explosions (debris physics)
     namespace Debris {
         constexpr float SPEED_BASE = 80.0F;      // Velocidad inicial (px/s)

source/core/defaults/ship.hpp

@@ -1,33 +0,0 @@
-// ship.hpp - Configuració de la nau (invulnerabilitat, parpelleig)
-// © 2026 JailDesigner
-
-#pragma once
-
-namespace Defaults::Ship {
-
-    // Invulnerabilidad post-respawn
-    constexpr float INVULNERABILITY_DURATION = 3.0F;  // Segundos de invulnerabilidad
-
-    // Parpadeo visual durante invulnerabilidad
-    constexpr float BLINK_VISIBLE_TIME = 0.1F;    // Tiempo visible (segundos)
-    constexpr float BLINK_INVISIBLE_TIME = 0.1F;  // Tiempo invisible (segundos)
-    // Frecuencia total: 0.2s/ciclo = 5 Hz (~15 parpadeos en 3s)
-
-    // Cuerpo físico
-    constexpr float MASS = 10.0F;            // Masa de referencia para choques
-    constexpr float RESTITUTION = 0.6F;      // Rebote moderado contra paredes
-    constexpr float LINEAR_DAMPING = 1.5F;   // Fricción exponencial (s⁻¹)
-    constexpr float ANGULAR_DAMPING = 0.0F;  // Rotación 100% por input (no inercial)
-
-    // Empuje visual: escala proporcional a la velocidad (0..200 px/s → 1.0..1.5)
-    // Mantiene la sensación del Pascal original.
-    constexpr float VISUAL_PUSH_DIVISOR = 33.33F;  // SPEED / DIVISOR = empuje visual
-    constexpr float VISUAL_SCALE_DIVISOR = 12.0F;  // SCALE = 1 + (PUSH / DIVISOR)
-
-    // Estat "ferit": entre primera col·lisió amb enemic i recuperació o segona col·lisió mortal.
-    namespace Hurt {
-        constexpr float DURATION = 15.0F;  // Segons en estat ferit (provisional)
-        constexpr float BLINK_HZ = 10.0F;  // Freqüència parpelleig color normal ↔ ferit
-    }  // namespace Hurt
-
-}  // namespace Defaults::Ship

source/core/defaults/trail.hpp

@@ -7,7 +7,7 @@ namespace Defaults::Trail {
 
     constexpr int POOL_SIZE = 200;
 
-    constexpr float SPEED_THRESHOLD_PX_S = 54.0F;  // 30% de Physics::MAX_VELOCITY (180)
+    constexpr float SPEED_THRESHOLD_PX_S = 54.0F;  // 30% de player.yaml::physics.max_velocity (180 px/s)
     constexpr float EMIT_INTERVAL_S = 0.04F;       // ~25 Hz nominal
     constexpr float EMIT_JITTER_S = 0.015F;        // ±15 ms al cooldown
     constexpr float POSITION_JITTER_PX = 2.5F;     // jitter al punt de naixement

source/core/entities/entity_loader.cpp

@@ -0,0 +1,56 @@
+// entity_loader.cpp - Implementació del carregador d'entitats YAML
+// © 2026 JailDesigner
+
+#include "core/entities/entity_loader.hpp"
+
+#include <cstdint>
+#include <exception>
+#include <iostream>
+#include <sstream>
+#include <string>
+#include <vector>
+
+#include "core/resources/resource_helper.hpp"
+
+namespace Entities {
+
+    std::unordered_map<std::string, std::shared_ptr<fkyaml::node>> EntityLoader::cache;
+
+    auto EntityLoader::load(const std::string& name) -> std::shared_ptr<fkyaml::node> {
+        // Cache hit
+        auto it = cache.find(name);
+        if (it != cache.end()) {
+            std::cout << "[EntityLoader] Cache hit: " << name << '\n';
+            return it->second;
+        }
+
+        const std::string PATH = "entities/" + name + "/" + name + ".yaml";
+
+        std::vector<uint8_t> data = Resource::Helper::loadFile(PATH);
+        if (data.empty()) {
+            std::cerr << "[EntityLoader] Error: no s'ha pogut load " << PATH << '\n';
+            return nullptr;
+        }
+
+        try {
+            std::string yaml_content(data.begin(), data.end());
+            std::stringstream stream(yaml_content);
+            auto node = std::make_shared<fkyaml::node>(fkyaml::node::deserialize(stream));
+
+            std::cout << "[EntityLoader] Carregat: " << PATH << '\n';
+            cache[name] = node;
+            return node;
+        } catch (const std::exception& e) {
+            std::cerr << "[EntityLoader] Excepció parsejant " << PATH << ": " << e.what() << '\n';
+            return nullptr;
+        }
+    }
+
+    void EntityLoader::clearCache() {
+        std::cout << "[EntityLoader] Netejant caché (" << cache.size() << " entitats)" << '\n';
+        cache.clear();
+    }
+
+    auto EntityLoader::getCacheSize() -> size_t { return cache.size(); }
+
+}  // namespace Entities

source/core/entities/entity_loader.hpp

@@ -0,0 +1,38 @@
+// entity_loader.hpp - Carregador genèric de descriptors d'entitats en YAML
+// © 2026 JailDesigner
+//
+// Cada entitat viu a `data/entities/<name>/<name>.yaml` (mateix patró que el
+// projecte germà aee_arcade). Aquest loader resol el path, llegeix del
+// resource pack via Resource::Helper, parseja amb fkyaml i cacheja el node
+// per evitar relectures. Retorna nullptr en cas d'error (el caller decideix
+// si abortar).
+
+#pragma once
+
+#include <memory>
+#include <string>
+#include <unordered_map>
+
+#include "external/fkyaml_node.hpp"
+
+namespace Entities {
+
+    class EntityLoader {
+       public:
+        EntityLoader() = delete;  // tot estàtic
+
+        // Carrega el descriptor d'una entitat per nom (ex. "player" →
+        // "entities/player/player.yaml"). Retorna nullptr si no es pot
+        // carregar o parsejar. Cachejat per nom.
+        static auto load(const std::string& name) -> std::shared_ptr<fkyaml::node>;
+
+        // Buidar caché (útil per debug/recàrrega).
+        static void clearCache();
+
+        [[nodiscard]] static auto getCacheSize() -> size_t;
+
+       private:
+        static std::unordered_map<std::string, std::shared_ptr<fkyaml::node>> cache;
+    };
+
+}  // namespace Entities

source/game/entities/bullet.cpp

@@ -53,7 +53,7 @@ void Bullet::init() {
     body_.clearAccumulators();
 }
 
-void Bullet::fire(const Vec2& position, float angle, uint8_t owner_id) {
+void Bullet::fire(const Vec2& position, float angle, uint8_t owner_id, float bullet_speed) {
     // Activar bullet
     is_active_ = true;
 
@@ -71,7 +71,7 @@ void Bullet::fire(const Vec2& position, float angle, uint8_t owner_id) {
     body_.angle = angle;
     const float DIR_X = std::cos(angle - (Constants::PI / 2.0F));
     const float DIR_Y = std::sin(angle - (Constants::PI / 2.0F));
-    body_.velocity = Vec2{.x = DIR_X * Defaults::Game::BULLET_SPEED, .y = DIR_Y * Defaults::Game::BULLET_SPEED};
+    body_.velocity = Vec2{.x = DIR_X * bullet_speed, .y = DIR_Y * bullet_speed};
     body_.angular_velocity = 0.0F;
     body_.clearAccumulators();
 

source/game/entities/bullet.hpp

@@ -17,7 +17,7 @@ class Bullet : public Entities::Entity {
     explicit Bullet(Rendering::Renderer* renderer);
 
     void init() override;
-    void fire(const Vec2& position, float angle, uint8_t owner_id);
+    void fire(const Vec2& position, float angle, uint8_t owner_id, float bullet_speed);
     void update(float delta_time) override;
     void postUpdate(float delta_time) override;
     void draw() const override;

source/game/entities/player_config.cpp

@@ -0,0 +1,108 @@
+// player_config.cpp - Implementació del parser de PlayerConfig
+// © 2026 JailDesigner
+
+#include "game/entities/player_config.hpp"
+
+#include <cstdint>
+#include <exception>
+#include <iostream>
+#include <string>
+#include <vector>
+
+namespace {
+
+    // Helper: extreu un SDL_Color d'una seqüència de 3 enters [r, g, b] del YAML.
+    // Retorna true si el format és vàlid.
+    auto parseColor(const fkyaml::node& node, SDL_Color& out) -> bool {
+        if (!node.is_sequence() || node.size() != 3) {
+            return false;
+        }
+        const auto R = node[0].get_value<uint32_t>();
+        const auto G = node[1].get_value<uint32_t>();
+        const auto B = node[2].get_value<uint32_t>();
+        out = SDL_Color{
+            .r = static_cast<uint8_t>(R),
+            .g = static_cast<uint8_t>(G),
+            .b = static_cast<uint8_t>(B),
+            .a = 255};
+        return true;
+    }
+
+}  // namespace
+
+auto PlayerConfig::fromYaml(const fkyaml::node& node) -> std::optional<PlayerConfig> {
+    try {
+        PlayerConfig cfg;
+
+        cfg.name = node.contains("name") ? node["name"].get_value<std::string>() : "player";
+
+        // shape
+        if (!node.contains("shape") || !node["shape"].contains("path")) {
+            std::cerr << "[PlayerConfig] Error: falta 'shape.path'" << '\n';
+            return std::nullopt;
+        }
+        cfg.shape.path = node["shape"]["path"].get_value<std::string>();
+
+        // physics
+        if (!node.contains("physics")) {
+            std::cerr << "[PlayerConfig] Error: falta 'physics'" << '\n';
+            return std::nullopt;
+        }
+        const auto& physics = node["physics"];
+        cfg.physics.mass = physics["mass"].get_value<float>();
+        cfg.physics.restitution = physics["restitution"].get_value<float>();
+        cfg.physics.linear_damping = physics["linear_damping"].get_value<float>();
+        cfg.physics.angular_damping = physics["angular_damping"].get_value<float>();
+        cfg.physics.collision_radius = physics["collision_radius"].get_value<float>();
+        cfg.physics.rotation_speed = physics["rotation_speed"].get_value<float>();
+        cfg.physics.acceleration = physics["acceleration"].get_value<float>();
+        cfg.physics.max_velocity = physics["max_velocity"].get_value<float>();
+        cfg.physics.death_impact_factor = physics["death_impact_factor"].get_value<float>();
+
+        // invulnerability
+        if (!node.contains("invulnerability")) {
+            std::cerr << "[PlayerConfig] Error: falta 'invulnerability'" << '\n';
+            return std::nullopt;
+        }
+        const auto& invul = node["invulnerability"];
+        cfg.invulnerability.duration = invul["duration"].get_value<float>();
+        cfg.invulnerability.blink_visible = invul["blink_visible"].get_value<float>();
+        cfg.invulnerability.blink_invisible = invul["blink_invisible"].get_value<float>();
+
+        // hurt
+        if (!node.contains("hurt")) {
+            std::cerr << "[PlayerConfig] Error: falta 'hurt'" << '\n';
+            return std::nullopt;
+        }
+        cfg.hurt.duration = node["hurt"]["duration"].get_value<float>();
+        cfg.hurt.blink_hz = node["hurt"]["blink_hz"].get_value<float>();
+
+        // visual_thrust
+        if (!node.contains("visual_thrust")) {
+            std::cerr << "[PlayerConfig] Error: falta 'visual_thrust'" << '\n';
+            return std::nullopt;
+        }
+        cfg.visual_thrust.push_divisor = node["visual_thrust"]["push_divisor"].get_value<float>();
+        cfg.visual_thrust.scale_divisor = node["visual_thrust"]["scale_divisor"].get_value<float>();
+
+        // colors
+        if (!node.contains("colors") ||
+            !parseColor(node["colors"]["normal"], cfg.colors.normal) ||
+            !parseColor(node["colors"]["hurt"], cfg.colors.hurt)) {
+            std::cerr << "[PlayerConfig] Error: 'colors.normal' / 'colors.hurt' no són seqüències [r,g,b]" << '\n';
+            return std::nullopt;
+        }
+
+        // weapon
+        if (!node.contains("weapon")) {
+            std::cerr << "[PlayerConfig] Error: falta 'weapon'" << '\n';
+            return std::nullopt;
+        }
+        cfg.weapon.bullet_speed = node["weapon"]["bullet_speed"].get_value<float>();
+
+        return cfg;
+    } catch (const std::exception& e) {
+        std::cerr << "[PlayerConfig] Excepció parsejant: " << e.what() << '\n';
+        return std::nullopt;
+    }
+}

source/game/entities/player_config.hpp

@@ -0,0 +1,72 @@
+// player_config.hpp - Configuració de la nau del player carregada des de YAML
+// © 2026 JailDesigner
+//
+// POD struct amb sub-structs per organitzar els paràmetres del jugador
+// (física, invulnerabilitat, hurt, empenta visual, colors, weapon). Es
+// construeix a partir d'un node fkyaml carregat per EntityLoader.
+
+#pragma once
+
+#include <SDL3/SDL.h>
+
+#include <optional>
+#include <string>
+
+#include "external/fkyaml_node.hpp"
+
+struct PlayerConfig {
+    struct ShapeCfg {
+        std::string path;
+    };
+
+    struct PhysicsCfg {
+        float mass;
+        float restitution;
+        float linear_damping;
+        float angular_damping;
+        float collision_radius;
+        float rotation_speed;       // rad/s
+        float acceleration;         // px/s^2 multiplicat per la massa
+        float max_velocity;         // px/s (clamp post-integració)
+        float death_impact_factor;  // [0..1] moment transferit a l'enemic al morir
+    };
+
+    struct InvulnerabilityCfg {
+        float duration;
+        float blink_visible;
+        float blink_invisible;
+    };
+
+    struct HurtCfg {
+        float duration;
+        float blink_hz;
+    };
+
+    struct VisualThrustCfg {
+        float push_divisor;
+        float scale_divisor;
+    };
+
+    struct ColorsCfg {
+        SDL_Color normal;
+        SDL_Color hurt;
+    };
+
+    struct WeaponCfg {
+        float bullet_speed;
+    };
+
+    std::string name;
+    ShapeCfg shape;
+    PhysicsCfg physics;
+    InvulnerabilityCfg invulnerability;
+    HurtCfg hurt;
+    VisualThrustCfg visual_thrust;
+    ColorsCfg colors;
+    WeaponCfg weapon;
+
+    // Construeix un PlayerConfig a partir del node YAML. Retorna std::nullopt
+    // si falten camps requerits o el format no és vàlid (el caller decideix
+    // si abortar).
+    static auto fromYaml(const fkyaml::node& node) -> std::optional<PlayerConfig>;
+};

source/game/entities/ship.cpp

@@ -9,6 +9,7 @@
 #include <cmath>
 #include <cstdint>
 #include <iostream>
+#include <utility>
 
 #include "core/audio/audio.hpp"
 #include "core/defaults.hpp"
@@ -20,27 +21,26 @@
 #include "core/types.hpp"
 #include "game/constants.hpp"
 
-Ship::Ship(Rendering::Renderer* renderer, const char* shape_file)
-    : Entity(renderer) {
-    // Brightness específico para naves
+Ship::Ship(Rendering::Renderer* renderer, PlayerConfig config, const char* shape_override)
+    : Entity(renderer),
+      config_(std::move(config)) {
     brightness_ = Defaults::Brightness::NAU;
 
-    // Configuración del cuerpo físico
-    body_.setMass(Defaults::Ship::MASS);
-    body_.radius = Defaults::Entities::SHIP_RADIUS;
-    body_.restitution = Defaults::Ship::RESTITUTION;
-    body_.linear_damping = Defaults::Ship::LINEAR_DAMPING;
-    body_.angular_damping = Defaults::Ship::ANGULAR_DAMPING;
+    body_.setMass(config_.physics.mass);
+    body_.radius = config_.physics.collision_radius;
+    body_.restitution = config_.physics.restitution;
+    body_.linear_damping = config_.physics.linear_damping;
+    body_.angular_damping = config_.physics.angular_damping;
 
-    // Cargar shape compartida desde archivo
-    shape_ = Graphics::ShapeLoader::load(shape_file);
+    // El shape pot venir del YAML o ser overridden (ex: P2 amb "ship2.shp").
+    const std::string SHAPE_PATH = (shape_override != nullptr) ? shape_override : config_.shape.path;
+    shape_ = Graphics::ShapeLoader::load(SHAPE_PATH);
     if (!shape_ || !shape_->isValid()) {
-        std::cerr << "[Ship] Error: no se ha podido cargar " << shape_file << '\n';
+        std::cerr << "[Ship] Error: no se ha podido cargar " << SHAPE_PATH << '\n';
     }
 }
 
 void Ship::init(const Vec2* spawn_point, bool activar_invulnerabilitat) {
-    // Posición inicial
     if (spawn_point != nullptr) {
         center_ = *spawn_point;
     } else {
@@ -50,34 +50,27 @@ void Ship::init(const Vec2* spawn_point, bool activar_invulnerabilitat) {
         center_ = {.x = center_x, .y = center_y};
     }
 
-    // Reset orientación
     angle_ = 0.0F;
 
-    // Sincronizar cuerpo físico con la posición/orientación inicial
     body_.position = center_;
     body_.angle = angle_;
     body_.velocity = Vec2{};
     body_.angular_velocity = 0.0F;
     body_.clearAccumulators();
 
-    // Activar invulnerabilidad solo si es respawn
-    invulnerable_timer_ = activar_invulnerabilitat ? Defaults::Ship::INVULNERABILITY_DURATION : 0.0F;
+    invulnerable_timer_ = activar_invulnerabilitat ? config_.invulnerability.duration : 0.0F;
     is_hit_ = false;
     hurt_timer_ = 0.0F;
     touching_enemy_prev_frame_ = false;
 }
 
 void Ship::processInput(float delta_time, uint8_t player_id) {
-    // Solo procesa input si la nave está viva
     if (is_hit_) {
         return;
     }
 
     auto* input = Input::get();
 
-    // Rotación: control directo del ángulo (no física, no inercial).
-    // Se actualiza también body_.angle para que el dibujado tras
-    // postUpdate refleje el cambio inmediatamente.
     const bool ROTATE_RIGHT = (player_id == 0)
         ? input->checkActionPlayer1(InputAction::RIGHT, Input::ALLOW_REPEAT)
         : input->checkActionPlayer2(InputAction::RIGHT, Input::ALLOW_REPEAT);
@@ -89,10 +82,10 @@ void Ship::processInput(float delta_time, uint8_t player_id) {
         : input->checkActionPlayer2(InputAction::THRUST, Input::ALLOW_REPEAT);
 
     if (ROTATE_RIGHT) {
-        body_.angle += Defaults::Physics::ROTATION_SPEED * delta_time;
+        body_.angle += config_.physics.rotation_speed * delta_time;
     }
     if (ROTATE_LEFT) {
-        body_.angle -= Defaults::Physics::ROTATION_SPEED * delta_time;
+        body_.angle -= config_.physics.rotation_speed * delta_time;
     }
 
     // Thrust: fuerza vectorial en la dirección de la nariz.
@@ -100,44 +93,36 @@ void Ship::processInput(float delta_time, uint8_t player_id) {
     if (THRUST) {
         const float DIR_X = std::cos(body_.angle - (Constants::PI / 2.0F));
         const float DIR_Y = std::sin(body_.angle - (Constants::PI / 2.0F));
-        // Fuerza = masa * aceleración: 10 kg * 400 px/s² = 4000 (unidades arcade)
-        const float MAGNITUDE = body_.mass * Defaults::Physics::ACCELERATION;
+        const float MAGNITUDE = body_.mass * config_.physics.acceleration;
         body_.applyForce(Vec2{.x = DIR_X * MAGNITUDE, .y = DIR_Y * MAGNITUDE});
     }
 }
 
 void Ship::update(float delta_time) {
-    // Solo update si la nave está viva
     if (is_hit_) {
         return;
     }
 
-    // Decrementar timer de invulnerabilidad
     if (invulnerable_timer_ > 0.0F) {
         invulnerable_timer_ -= delta_time;
         invulnerable_timer_ = std::max(invulnerable_timer_, 0.0F);
     }
 
-    // Decrementar timer d'estat HURT (a 0 → torna a normal sense efecte extern)
     if (hurt_timer_ > 0.0F) {
         hurt_timer_ -= delta_time;
         hurt_timer_ = std::max(hurt_timer_, 0.0F);
     }
 
-    // El movimiento real lo hace PhysicsWorld::update().
-    // Aquí solo lógica de estado.
-
     // Cap de velocidad: el thrust acumula fuerza sin límite; limitamos
     // la magnitud de body_.velocity tras aplicar fuerzas para preservar
     // el feel arcade del MAX_VELOCITY original.
     const float CURRENT_SPEED = body_.velocity.length();
-    if (CURRENT_SPEED > Defaults::Physics::MAX_VELOCITY) {
-        body_.velocity = body_.velocity * (Defaults::Physics::MAX_VELOCITY / CURRENT_SPEED);
+    if (CURRENT_SPEED > config_.physics.max_velocity) {
+        body_.velocity = body_.velocity * (config_.physics.max_velocity / CURRENT_SPEED);
     }
 }
 
 void Ship::postUpdate(float /*delta_time*/) {
-    // Sincronizar mirror desde body_ tras la integración del world.
     center_ = body_.position;
     angle_ = body_.angle;
 }
@@ -147,11 +132,10 @@ void Ship::draw() const {
         return;
     }
 
-    // Parpadeo si invulnerable
     if (isInvulnerable()) {
-        const float BLINK_CYCLE = Defaults::Ship::BLINK_VISIBLE_TIME + Defaults::Ship::BLINK_INVISIBLE_TIME;
+        const float BLINK_CYCLE = config_.invulnerability.blink_visible + config_.invulnerability.blink_invisible;
         const float TIME_IN_CYCLE = std::fmod(invulnerable_timer_, BLINK_CYCLE);
-        if (TIME_IN_CYCLE < Defaults::Ship::BLINK_INVISIBLE_TIME) {
+        if (TIME_IN_CYCLE < config_.invulnerability.blink_invisible) {
             return;
         }
     }
@@ -161,19 +145,17 @@ void Ship::draw() const {
     }
 
     // Efecto visual de empuje: escala proporcional a la velocidad.
-    // 0..200 px/s → escala 1.0..1.5 (manteniendo la sensación del Pascal original).
     const float SPEED = getSpeed();
-    const float VISUAL_PUSH = SPEED / Defaults::Ship::VISUAL_PUSH_DIVISOR;
-    const float SCALE = 1.0F + (VISUAL_PUSH / Defaults::Ship::VISUAL_SCALE_DIVISOR);
+    const float VISUAL_PUSH = SPEED / config_.visual_thrust.push_divisor;
+    const float SCALE = 1.0F + (VISUAL_PUSH / config_.visual_thrust.scale_divisor);
 
-    // Parpelleig daurat mentre està ferida: alterna color normal ↔ color hurt
-    // a Hurt::BLINK_HZ (mateixa estètica que el wounded dels enemics).
-    SDL_Color color = color_normal_;
+    // Parpelleig daurat mentre està ferida: alterna color normal ↔ color hurt.
+    SDL_Color color = config_.colors.normal;
     if (hurt_timer_ > 0.0F) {
-        const float CYCLE = 1.0F / Defaults::Ship::Hurt::BLINK_HZ;
+        const float CYCLE = 1.0F / config_.hurt.blink_hz;
         const float T = std::fmod(hurt_timer_, CYCLE);
         if (T < (CYCLE / 2.0F)) {
-            color = color_hurt_;
+            color = config_.colors.hurt;
         }
     }
 
@@ -181,6 +163,6 @@ void Ship::draw() const {
 }
 
 void Ship::hurt() {
-    hurt_timer_ = Defaults::Ship::Hurt::DURATION;
+    hurt_timer_ = config_.hurt.duration;
     Audio::get()->playSound(Defaults::Sound::HURT, Audio::Group::GAME);
 }

source/game/entities/ship.hpp

@@ -9,12 +9,16 @@
 #include "core/defaults.hpp"
 #include "core/entities/entity.hpp"
 #include "core/types.hpp"
+#include "game/entities/player_config.hpp"
 
 class Ship : public Entities::Entity {
    public:
     Ship()
         : Entity(nullptr) {}
-    explicit Ship(Rendering::Renderer* renderer, const char* shape_file = "ship.shp");
+    // shape_override: si no és nullptr, substitueix config.shape.path
+    // (utilitzat per donar al P2 un model visual diferent compartint la
+    // mateixa configuració del player).
+    explicit Ship(Rendering::Renderer* renderer, PlayerConfig config, const char* shape_override = nullptr);
 
     void init() override { init(nullptr, false); }
     void init(const Vec2* spawn_point, bool activar_invulnerabilitat = false);
@@ -28,7 +32,7 @@ class Ship : public Entities::Entity {
 
     // Override: Interfaz de colisión
     [[nodiscard]] auto getCollisionRadius() const -> float override {
-        return Defaults::Entities::SHIP_RADIUS;
+        return config_.physics.collision_radius;
     }
     [[nodiscard]] auto isCollidable() const -> bool override {
         return !is_hit_ && invulnerable_timer_ <= 0.0F;
@@ -36,10 +40,9 @@ class Ship : public Entities::Entity {
 
     // Getters
     [[nodiscard]] auto isInvulnerable() const -> bool { return invulnerable_timer_ > 0.0F; }
-    // Velocidad como vector cartesiano (ahora viene directa del body_).
     [[nodiscard]] auto getVelocityVector() const -> Vec2 { return body_.velocity; }
-    // Velocidad escalar (utilidad para draw y debugging).
     [[nodiscard]] auto getSpeed() const -> float { return body_.velocity.length(); }
+    [[nodiscard]] auto getConfig() const -> const PlayerConfig& { return config_; }
 
     // Setters
     void setCenter(const Vec2& nou_centre) {
@@ -65,17 +68,15 @@ class Ship : public Entities::Entity {
     void setTouchingEnemyPrevFrame(bool touching) { touching_enemy_prev_frame_ = touching; }
 
    private:
-    // Miembros específicos de Ship (heredados: renderer_, shape_, center_, angle_, brightness_, body_).
-    // Inicializados en la declaración: el ctor por defecto deja la nave "viva y sin invulnerabilidad",
-    // que es el estado coherente al que llevan tanto init() como el ctor con renderer.
+    // Configuració carregada des de YAML. Default-init zero permet el ctor
+    // per defecte (necessari per a `std::array<Ship, N>`); s'omple via
+    // copy/move-assignment quan GameScene crea la nau real.
+    PlayerConfig config_{};
+
     bool is_hit_{false};
     float invulnerable_timer_{0.0F};  // 0.0f = vulnerable, >0.0f = invulnerable
 
-    // Colors de la nau (propietats, prep per migració a YAML).
-    SDL_Color color_normal_{Defaults::Palette::SHIP};
-    SDL_Color color_hurt_{Defaults::Palette::WOUNDED};
-
-    // >0 → estat HURT (parpelleig color_normal_ ↔ color_hurt_).
+    // >0 → estat HURT (parpelleig color normal ↔ color hurt).
     float hurt_timer_{0.0F};
 
     // Edge-trigger: true si el frame anterior la nau ja estava en contacte amb un enemic.

source/game/scenes/game_scene.cpp

@@ -10,10 +10,12 @@
 #include <iostream>
 
 #include "core/audio/audio.hpp"
+#include "core/entities/entity_loader.hpp"
 #include "core/input/input.hpp"
 #include "core/locale/locale.hpp"
 #include "core/system/scene_context.hpp"
 #include "core/system/service_menu.hpp"
+#include "game/entities/player_config.hpp"
 #include "game/stage_system/stage_loader.hpp"
 #include "game/systems/collision_system.hpp"
 #include "game/systems/continue_system.hpp"
@@ -49,9 +51,22 @@ GameScene::GameScene(SDLManager& sdl, SceneContext& context)
     auto option = context_.consumeOption();
     (void)option;  // Suprimir warning de variable no usada
 
-    // Inicialitzar naves con renderer (P1=ship.shp, P2=ship2.shp)
-    ships_[0] = Ship(sdl.getRenderer(), "ship.shp");   // Jugador 1: nave estàndar
-    ships_[1] = Ship(sdl.getRenderer(), "ship2.shp");  // Jugador 2: interceptor con ales
+    // Carregar la configuració del player des de YAML. Sense fallback: si
+    // falla, abortem (la nau no és construïble sense paràmetres).
+    auto player_yaml = Entities::EntityLoader::load("player");
+    if (!player_yaml) {
+        std::cerr << "[GameScene] FATAL: no s'ha pogut carregar data/entities/player/player.yaml\n";
+        std::exit(EXIT_FAILURE);
+    }
+    auto player_config = PlayerConfig::fromYaml(*player_yaml);
+    if (!player_config) {
+        std::cerr << "[GameScene] FATAL: player.yaml mal format\n";
+        std::exit(EXIT_FAILURE);
+    }
+
+    // Inicialitzar naves: P1 amb el shape del YAML, P2 amb override visual.
+    ships_[0] = Ship(sdl.getRenderer(), *player_config);               // Jugador 1: nau estàndard
+    ships_[1] = Ship(sdl.getRenderer(), *player_config, "ship2.shp");  // Jugador 2: interceptor amb ales
 
     // Inicialitzar balas con renderer
     std::ranges::fill(bullets_, Bullet(sdl.getRenderer()));
@@ -944,7 +959,7 @@ void GameScene::fireBullet(uint8_t player_id) {
     const int START_IDX = player_id * SLOTS_PER_PLAYER;
     for (int i = START_IDX; i < START_IDX + SLOTS_PER_PLAYER; i++) {
         if (!bullets_[i].isActive()) {
-            bullets_[i].fire(fire_position, ship_angle, player_id);
+            bullets_[i].fire(fire_position, ship_angle, player_id, ships_[player_id].getConfig().weapon.bullet_speed);
             break;
         }
     }

source/game/systems/collision_system.cpp

@@ -224,7 +224,8 @@ namespace Systems::Collision {
                     // Segon impacte durant HURT → mort. Aplica un impuls afegit
                     // perquè l'enemic surti disparat (feedback visible).
                     const Vec2 SHIP_VEL = ctx.ships[i].getVelocityVector();
-                    const Vec2 IMPULSE = SHIP_VEL * (Defaults::Ship::MASS * Defaults::Physics::Ship::DEATH_IMPACT_MOMENTUM_FACTOR);
+                    const float DEATH_FACTOR = ctx.ships[i].getConfig().physics.death_impact_factor;
+                    const Vec2 IMPULSE = SHIP_VEL * (ctx.ships[i].getBody().mass * DEATH_FACTOR);
                     touched_enemy->applyImpulse(IMPULSE);
                     ctx.on_player_hit(i);
                 } else {