feat(ui): flight animation + commentary on card play

src/ui/scenes/training_room.gd

@@ -83,15 +83,55 @@ func _on_pass_pressed() -> void:
 		status_label.text = "✓ 已过牌"
 
 func _on_cards_played(player_idx: int, play: HandEvaluator.EvaluatedPlay) -> void:
-	# 显示出的牌
+	hand_area.disable_input()
-	_show_table_cards(play.cards)
-	var player_name := controller.game_state.player_names[player_idx]
-	var type_name := _get_type_name(play.type)
-	if status_label:
-		status_label.text = "%s 出了 %s（%d张）" % [player_name, type_name, play.cards.size()]
 
-	# 延迟刷新手牌，让玩家看到出牌效果
+	var sorted_cards: Array[Card] = []
-	await get_tree().create_timer(0.8).timeout
+	for c in play.cards:
+		sorted_cards.append(c)
+	sorted_cards.sort_custom(func(a: Card, b: Card): return a.compare_to(b) < 0)
+
+	var card_w := 60.0
+	var total_w := card_w * sorted_cards.size()
+	var start_x := (1280.0 - total_w) / 2.0
+	var table_y := 80.0
+
+	var ghosts: Array[CardNode] = []
+	var targets: Array[Vector2] = []
+
+	for i in range(sorted_cards.size()):
+		var src_node := _find_hand_node(sorted_cards[i])
+		var src_pos := src_node.global_position if src_node else Vector2(start_x + i * card_w, 600.0)
+
+		var ghost := CARD_NODE_SCENE.instantiate() as CardNode
+		get_tree().root.add_child(ghost)
+		ghost.setup(sorted_cards[i])
+		ghost.global_position = src_pos
+		ghost.mouse_filter = Control.MOUSE_FILTER_IGNORE
+		ghosts.append(ghost)
+		targets.append(Vector2(start_x + i * card_w, table_y))
+
+	for i in range(ghosts.size()):
+		var g := ghosts[i]
+		var t := create_tween().set_parallel(true)
+		t.tween_property(g, "global_position", targets[i], FLIGHT_DURATION) \
+			.set_trans(Tween.TRANS_QUAD).set_ease(Tween.EASE_OUT)
+		t.tween_property(g, "scale", Vector2(0.7, 0.7), FLIGHT_DURATION) \
+			.set_trans(Tween.TRANS_QUAD).set_ease(Tween.EASE_IN)
+
+	await get_tree().create_timer(FLIGHT_DURATION).timeout
+
+	for g in ghosts:
+		g.queue_free()
+	_show_table_cards(sorted_cards)
+
+	_show_commentary(player_idx, play)
+	await get_tree().create_timer(COMMENTARY_HOLD).timeout
+
+	var fade := create_tween()
+	fade.tween_property(commentary_label, "modulate:a", 0.0, COMMENTARY_FADE_OUT)
+	await get_tree().create_timer(COMMENTARY_FADE_OUT).timeout
+
+	_clear_table_cards()
 	_refresh_ui()
 
 func _on_player_passed(player_idx: int) -> void: