network_gamelist.c
author bjarni
Sat, 12 Aug 2006 10:41:29 +0000
changeset 4251 e8f69de723e1
parent 4077 d4d440dd8925
child 4826 6a545d194528
permissions -rw-r--r--
(svn r5853) -Fix: [elrails] FS#178 Electric Trains can leave Conventional Depot
now the user will get an error if he tries to start the train and the status bar will say "no power" instead of "stopped"
Electric trains already driving in and out of non-electrified depots will still do so, but you can't start new ones
/* $Id$ */

#include "stdafx.h"
#include "debug.h"
#include "network_data.h"

#ifdef ENABLE_NETWORK

// This file handles the GameList
// Also, it handles the request to a server for data about the server

extern void UpdateNetworkGameWindow(bool unselect);

/** Add a new item to the linked gamelist. If the IP and Port match
 * return the existing item instead of adding it again
 * @param ip the IP-address (inet_addr) of the to-be added item
 * @param port the port the server is running on
 * @return a point to the newly added or already existing item */
NetworkGameList *NetworkGameListAddItem(uint32 ip, uint16 port)
{
	NetworkGameList *item, *prev_item;

	prev_item = NULL;
	for (item = _network_game_list; item != NULL; item = item->next) {
		if (item->ip == ip && item->port == port) return item;
		prev_item = item;
	}

	item = malloc(sizeof(*item));
	memset(item, 0, sizeof(*item));
	item->next = NULL;
	item->ip = ip;
	item->port = port;

	if (prev_item == NULL) {
		_network_game_list = item;
	} else {
		prev_item->next = item;
	}
	DEBUG(net, 4) ("[NET][GameList] Added server to list");

	UpdateNetworkGameWindow(false);

	return item;
}

/** Remove an item from the gamelist linked list
 * @param remove pointer to the item to be removed */
void NetworkGameListRemoveItem(NetworkGameList *remove)
{
	NetworkGameList *item, *prev_item;

	prev_item = NULL;
	for (item = _network_game_list; item != NULL; item = item->next) {
		if (remove == item) {
			if (prev_item == NULL) {
				_network_game_list = remove->next;
			} else {
				prev_item->next = remove->next;
			}

			free(remove);
			DEBUG(net, 4) ("[NET][GameList] Removed server from list");
			UpdateNetworkGameWindow(false);
			return;
		}
		prev_item = item;
	}
}

#endif /* ENABLE_NETWORK */