feat: 完成房间添加和移除玩家逻辑

scripts/autoload/GameLoopManager.gd

@@ -3,7 +3,13 @@ extends Node
 var peer: ENetMultiplayerPeer = ENetMultiplayerPeer.new()
 
 var max_player_num: int
-var player_num: int
+var player_num: int = 0
+var players_id: Array[int]
+var players_data: Dictionary[int, Dictionary]
+var reaction_area: Dictionary[int, Array]
+var card_order: Array[int]
+var deck_cards: Dictionary[String, int]
+var max_hp: int
 
 func create_server(playern: int) -> void:
 	max_player_num = playern
@@ -34,12 +40,33 @@ func _on_peer_disconnected(id: int):
 
 
 func add_player(id: int) -> void:
-	pass
+	if player_num >= max_player_num:
+		return
+	player_num += 1
+	players_data[id] = {
+		"id": id,
+		"nickname": "Player%d" % [player_num],
+		"cards": [],
+		"hp": max_hp,
+	}
+	reaction_area[id] = []
+	players_id.append(id)
 
 
 func remove_player(id: int) -> void:
-	pass
+	player_num -= 1
+	players_data.erase(id)
+	reaction_area.erase(id)
+	players_id.erase(id)
 
 
-func start_game() -> void:
+func server_start_game() -> void:
+	if player_num <= max_player_num:
+		return
+	if multiplayer.is_server():
+		client_start_game.rpc()
+	
+
+@rpc("any_peer", "call_local", "reliable")
+func client_start_game() -> void:
 	pass