feat(player): clamp permet pujar al passadís + porta tancada bloqueja via Map::collides

source/game/entities/player.cpp

@@ -987,11 +987,27 @@ void Player::clampToPlayfield() {
     const auto MIN_X = static_cast<float>(map_.playfield_x - collision_x_offset);
     const auto MAX_X = static_cast<float>(
         map_.playfield_x + map_.playfield_w - collision_x_offset - collision_size);
-    const auto MIN_Y = static_cast<float>(map_.playfield_y - collision_y_offset);
+    auto min_y = static_cast<float>(map_.playfield_y - collision_y_offset);
     const auto MAX_Y = static_cast<float>(
         map_.playfield_y + map_.playfield_h - collision_y_offset - collision_size);
+
+    // Passadís de sortida: si la base box queda enterament dins del rang
+    // X del passadís de la porta, deixem que pugi al strip del mur trasser
+    // (fins a `door_corridor.y`). Fora del rang, MIN_Y es queda al
+    // playfield. La regla "enterament dins" exigeix alinear-se al passadís
+    // abans de pujar — la base box (12 px) hi cap amb 4 px de marge.
+    if (map_.door_corridor_w > 0) {
+        const float BASE_X = getPosX() + static_cast<float>(collision_x_offset);
+        const float BASE_RIGHT = BASE_X + static_cast<float>(collision_size);
+        const auto CORRIDOR_LEFT = static_cast<float>(map_.door_corridor_x);
+        const auto CORRIDOR_RIGHT = static_cast<float>(map_.door_corridor_x + map_.door_corridor_w);
+        if (BASE_X >= CORRIDOR_LEFT && BASE_RIGHT <= CORRIDOR_RIGHT) {
+            min_y = static_cast<float>(map_.door_corridor_y - collision_y_offset);
+        }
+    }
+
     setPosX(std::clamp(getPosX(), MIN_X, MAX_X));
-    setPosY(std::clamp(getPosY(), MIN_Y, MAX_Y));
+    setPosY(std::clamp(getPosY(), min_y, MAX_Y));
 }
 
 auto Player::getBaseBox() const -> SDL_FRect {