feat(whip): separa draw_rect i damage_rect; sprites 80×32 / 16×96; feet_y delegat a l'owner; recover_* per al cooldown

source/game/entities/concrete/whip_attack.cpp

@@ -89,18 +89,81 @@ WhipAttack::WhipAttack(const fkyaml::node& yaml) {
     anim_ = anim_swing_;
 }
 
-void WhipAttack::configure(Direction dir, float spawn_x, float spawn_y, float range_px) {
+void WhipAttack::configure(Direction dir, const SDL_FRect& owner_box, float range_px) {
     direction_ = dir;
     range_px_ = range_px;
 
+    // Draw rect (= pixel_rect_): cobreix tot el sprite del látigo segons
+    // la taula d'offsets del disseny:
+    //   E: (player.x - 16, player.y       ),  80×32
+    //   W: (player.x - 48, player.y       ),  80×32
+    //   N: (player.x,      player.y - 48  ),  16×96
+    //   S: (player.x,      player.y - 16  ),  16×96
     const auto& chosen = spriteFor(dir);
-    setPixelRect({.x = spawn_x, .y = spawn_y, .w = chosen.frame_w, .h = chosen.frame_h});
+    SDL_FRect draw{0.0F, 0.0F, chosen.frame_w, chosen.frame_h};
+    switch (dir) {
+        case Direction::EAST:
+            draw.x = owner_box.x - 16.0F;
+            draw.y = owner_box.y;
+            break;
+        case Direction::WEST:
+            draw.x = owner_box.x - 48.0F;
+            draw.y = owner_box.y;
+            break;
+        case Direction::NORTH:
+            draw.x = owner_box.x;
+            draw.y = owner_box.y - 48.0F;
+            break;
+        case Direction::SOUTH:
+            draw.x = owner_box.x;
+            draw.y = owner_box.y - 16.0F;
+            break;
+    }
+    setPixelRect(draw);
 
+    // Damage rect: 48×16 (E/W) o 16×48 (N/S) al nivell dels peus del
+    // jugador (els últims 16 px del seu pixel_rect — convenció estàndard
+    // del player AEE), pegat al borde en la direcció d'atac.
+    // computeDamageRect rep la cantonada del rect MÀXIM (sense retallar)
+    // i recorre internament la línia per topar amb el primer bloquejador.
+    const float COLLISION_TOP_Y = owner_box.y + owner_box.h - 16.0F;
+    const float OWNER_RIGHT = owner_box.x + owner_box.w;
+    const float OWNER_BOTTOM = owner_box.y + owner_box.h;
+    float spawn_x = 0.0F;
+    float spawn_y = 0.0F;
+    switch (dir) {
+        case Direction::EAST:
+            spawn_x = OWNER_RIGHT;
+            spawn_y = COLLISION_TOP_Y;
+            break;
+        case Direction::WEST:
+            spawn_x = owner_box.x - range_px;
+            spawn_y = COLLISION_TOP_Y;
+            break;
+        case Direction::NORTH:
+            spawn_x = owner_box.x;
+            spawn_y = COLLISION_TOP_Y - range_px;
+            break;
+        case Direction::SOUTH:
+            spawn_x = owner_box.x;
+            spawn_y = OWNER_BOTTOM;
+            break;
+    }
     computeDamageRect(dir, spawn_x, spawn_y, range_px);
 
+    // Snapshot del feet_y del jugador. La convenció estàndard del Player
+    // AEE té el seu feet_y a la base inferior del pixel_rect (collision
+    // 16×16 als últims 16 px del sprite 16×32), així que owner_box.y +
+    // owner_box.h reprodueix `Player::getFeetY()` exactament.
+    owner_feet_y_ = owner_box.y + owner_box.h;
+
     if (anim_.has_value()) { anim_->reset(); }
 }
 
+auto WhipAttack::getFeetY() const -> float {
+    return owner_feet_y_;
+}
+
 void WhipAttack::setWorldContext(EntityManager* manager, const std::vector<Player*>* players) {
     entity_manager_ = manager;
     players_ = players;