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OpenRCT2/src/openrct2-ui/windows/ServerList.cpp

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#pragma region Copyright (c) 2014-2018 OpenRCT2 Developers
/*****************************************************************************
* OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
*
* OpenRCT2 is the work of many authors, a full list can be found in contributors.md
* For more information, visit https://github.com/OpenRCT2/OpenRCT2
*
* OpenRCT2 is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* A full copy of the GNU General Public License can be found in licence.txt
*****************************************************************************/
#pragma endregion
#include <algorithm>
#include <mutex>
#include <numeric>
#include <vector>
#include <openrct2/config/Config.h>
#include <openrct2/core/String.hpp>
#include <openrct2/Context.h>
#include <openrct2/localisation/Localisation.h>
#include <openrct2/network/Http.h>
#include <openrct2/network/network.h>
#include <openrct2/network/ServerList.h>
#include <openrct2/sprites.h>
#include <openrct2/util/Util.h>
#include <openrct2-ui/interface/Widget.h>
#include <openrct2-ui/interface/Dropdown.h>
#include <openrct2-ui/windows/Window.h>
#include <openrct2/interface/Colour.h>
#include <openrct2/drawing/Drawing.h>
#ifndef DISABLE_HTTP
using namespace OpenRCT2::Network;
#endif
#define WWIDTH_MIN 500
#define WHEIGHT_MIN 300
#define WWIDTH_MAX 1200
#define WHEIGHT_MAX 800
#define ITEM_HEIGHT (3 + 9 + 3)
static char _playerName[32 + 1];
static std::vector<server_entry> _serverEntries;
static std::mutex _mutex;
static uint32 _numPlayersOnline = 0;
static rct_string_id status_text = STR_SERVER_LIST_CONNECTING;
// clang-format off
enum {
WIDX_BACKGROUND,
WIDX_TITLE,
WIDX_CLOSE,
WIDX_PLAYER_NAME_INPUT,
WIDX_LIST,
WIDX_FETCH_SERVERS,
WIDX_ADD_SERVER,
WIDX_START_SERVER
};
enum {
WIDX_LIST_REMOVE,
WIDX_LIST_SPECTATE
};
static rct_widget window_server_list_widgets[] = {
{ WWT_FRAME, 0, 0, 340, 0, 90, STR_NONE, STR_NONE }, // panel / background
{ WWT_CAPTION, 0, 1, 338, 1, 14, STR_SERVER_LIST, STR_WINDOW_TITLE_TIP }, // title bar
{ WWT_CLOSEBOX, 0, 327, 337, 2, 13, STR_CLOSE_X, STR_CLOSE_WINDOW_TIP }, // close x button
{ WWT_TEXT_BOX, 1, 100, 344, 20, 31, STR_NONE, STR_NONE }, // player name text box
{ WWT_SCROLL, 1, 6, 337, 37, 50, STR_NONE, STR_NONE }, // server list
{ WWT_BUTTON, 1, 6, 106, 53, 66, STR_FETCH_SERVERS, STR_NONE }, // fetch servers button
{ WWT_BUTTON, 1, 112, 212, 53, 66, STR_ADD_SERVER, STR_NONE }, // add server button
{ WWT_BUTTON, 1, 218, 318, 53, 66, STR_START_SERVER, STR_NONE }, // start server button
{ WIDGETS_END },
};
static void window_server_list_close(rct_window *w);
static void window_server_list_mouseup(rct_window *w, rct_widgetindex widgetIndex);
static void window_server_list_resize(rct_window *w);
static void window_server_list_dropdown(rct_window *w, rct_widgetindex widgetIndex, sint32 dropdownIndex);
static void window_server_list_update(rct_window *w);
static void window_server_list_scroll_getsize(rct_window *w, sint32 scrollIndex, sint32 *width, sint32 *height);
static void window_server_list_scroll_mousedown(rct_window *w, sint32 scrollIndex, sint32 x, sint32 y);
static void window_server_list_scroll_mouseover(rct_window *w, sint32 scrollIndex, sint32 x, sint32 y);
static void window_server_list_textinput(rct_window *w, rct_widgetindex widgetIndex, char *text);
static void window_server_list_invalidate(rct_window *w);
static void window_server_list_paint(rct_window *w, rct_drawpixelinfo *dpi);
static void window_server_list_scrollpaint(rct_window *w, rct_drawpixelinfo *dpi, sint32 scrollIndex);
static rct_window_event_list window_server_list_events = {
window_server_list_close,
window_server_list_mouseup,
window_server_list_resize,
nullptr,
window_server_list_dropdown,
nullptr,
window_server_list_update,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr,
window_server_list_scroll_getsize,
window_server_list_scroll_mousedown,
nullptr,
window_server_list_scroll_mouseover,
window_server_list_textinput,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr,
window_server_list_invalidate,
window_server_list_paint,
window_server_list_scrollpaint
};
// clang-format on
enum {
DDIDX_JOIN,
DDIDX_FAVOURITE
};
static sint32 _hoverButtonIndex = -1;
static std::string _version;
static void server_list_get_item_button(sint32 buttonIndex, sint32 x, sint32 y, sint32 width, sint32 *outX, sint32 *outY);
static void server_list_load_server_entries();
static void server_list_save_server_entries();
static void dispose_server_entry_list();
static server_entry & add_server_entry(const std::string &address);
static void sort_servers();
static void join_server(std::string address);
#ifndef DISABLE_HTTP
static void fetch_servers();
static void fetch_servers_callback(Http::Response & response);
#endif
static bool is_version_valid(const std::string &version);
rct_window * window_server_list_open()
{
rct_window* window;
// Check if window is already open
window = window_bring_to_front_by_class(WC_SERVER_LIST);
if (window != nullptr)
return window;
window = window_create_centred(WWIDTH_MIN, WHEIGHT_MIN, &window_server_list_events, WC_SERVER_LIST, WF_10 | WF_RESIZABLE);
window_server_list_widgets[WIDX_PLAYER_NAME_INPUT].string = _playerName;
window->widgets = window_server_list_widgets;
window->enabled_widgets = (
(1 << WIDX_CLOSE) |
(1 << WIDX_PLAYER_NAME_INPUT) |
(1 << WIDX_FETCH_SERVERS) |
(1 << WIDX_ADD_SERVER) |
(1 << WIDX_START_SERVER)
);
window_init_scroll_widgets(window);
window->no_list_items = 0;
window->selected_list_item = -1;
window->frame_no = 0;
window->min_width = 320;
window->min_height = 90;
window->max_width = window->min_width;
window->max_height = window->min_height;
window->page = 0;
window->list_information_type = 0;
window_set_resize(window, WWIDTH_MIN, WHEIGHT_MIN, WWIDTH_MAX, WHEIGHT_MAX);
safe_strcpy(_playerName, gConfigNetwork.player_name, sizeof(_playerName));
server_list_load_server_entries();
window->no_list_items = (uint16)_serverEntries.size();
#ifndef DISABLE_HTTP
fetch_servers();
#endif
return window;
}
static void window_server_list_close(rct_window *w)
{
std::lock_guard<std::mutex> guard(_mutex);
dispose_server_entry_list();
}
static void window_server_list_mouseup(rct_window *w, rct_widgetindex widgetIndex)
{
switch (widgetIndex)
{
case WIDX_CLOSE:
window_close(w);
break;
case WIDX_PLAYER_NAME_INPUT:
window_start_textbox(w, widgetIndex, STR_STRING, _playerName, 63);
break;
case WIDX_LIST:
{
sint32 serverIndex = w->selected_list_item;
if (serverIndex >= 0 && serverIndex < (sint32)_serverEntries.size())
{
const auto &server = _serverEntries[serverIndex];
if (is_version_valid(server.version))
{
join_server(server.address);
}
else
{
set_format_arg(0, void *, server.version.c_str());
context_show_error(STR_UNABLE_TO_CONNECT_TO_SERVER, STR_MULTIPLAYER_INCORRECT_SOFTWARE_VERSION);
}
}
break;
}
case WIDX_FETCH_SERVERS:
#ifndef DISABLE_HTTP
fetch_servers();
#endif
break;
case WIDX_ADD_SERVER:
window_text_input_open(w, widgetIndex, STR_ADD_SERVER, STR_ENTER_HOSTNAME_OR_IP_ADDRESS, STR_NONE, 0, 128);
break;
case WIDX_START_SERVER:
context_open_window(WC_SERVER_START);
break;
}
}
static void window_server_list_resize(rct_window *w)
{
window_set_resize(w, WWIDTH_MIN, WHEIGHT_MIN, WWIDTH_MAX, WHEIGHT_MAX);
}
static void window_server_list_dropdown(rct_window *w, rct_widgetindex widgetIndex, sint32 dropdownIndex)
{
auto serverIndex = w->selected_list_item;
if (serverIndex >= 0 && serverIndex < (sint32)_serverEntries.size())
{
auto &server = _serverEntries[serverIndex];
switch (dropdownIndex)
{
case DDIDX_JOIN:
if (is_version_valid(server.version))
{
join_server(server.address);
}
else
{
set_format_arg(0, void *, _serverEntries[serverIndex].version.c_str());
context_show_error(STR_UNABLE_TO_CONNECT_TO_SERVER, STR_MULTIPLAYER_INCORRECT_SOFTWARE_VERSION);
}
break;
case DDIDX_FAVOURITE:
{
std::lock_guard<std::mutex> guard(_mutex);
server.favourite = !server.favourite;
server_list_save_server_entries();
}
break;
}
}
}
static void window_server_list_update(rct_window *w)
{
if (gCurrentTextBox.window.classification == w->classification && gCurrentTextBox.window.number == w->number) {
window_update_textbox_caret();
widget_invalidate(w, WIDX_PLAYER_NAME_INPUT);
}
}
static void window_server_list_scroll_getsize(rct_window *w, sint32 scrollIndex, sint32 *width, sint32 *height)
{
*width = 0;
*height = w->no_list_items * ITEM_HEIGHT;
}
static void window_server_list_scroll_mousedown(rct_window *w, sint32 scrollIndex, sint32 x, sint32 y)
{
sint32 serverIndex = w->selected_list_item;
if (serverIndex < 0) return;
if (serverIndex >= (sint32)_serverEntries.size()) return;
rct_widget *listWidget = &w->widgets[WIDX_LIST];
sint32 ddx = w->x + listWidget->left + x + 2 - w->scrolls[0].h_left;
sint32 ddy = w->y + listWidget->top + y + 2 - w->scrolls[0].v_top;
gDropdownItemsFormat[0] = STR_JOIN_GAME;
if (_serverEntries[serverIndex].favourite) {
gDropdownItemsFormat[1] = STR_REMOVE_FROM_FAVOURITES;
} else {
gDropdownItemsFormat[1] = STR_ADD_TO_FAVOURITES;
}
window_dropdown_show_text(ddx, ddy, 0, COLOUR_GREY, 0, 2);
}
static void window_server_list_scroll_mouseover(rct_window *w, sint32 scrollIndex, sint32 x, sint32 y)
{
// Item
sint32 index = y / ITEM_HEIGHT;
if (index < 0 || index >= w->no_list_items) {
index = -1;
}
sint32 hoverButtonIndex = -1;
if (index != -1) {
sint32 width = w->widgets[WIDX_LIST].right - w->widgets[WIDX_LIST].left;
sint32 sy = index * ITEM_HEIGHT;
for (sint32 i = 0; i < 2; i++) {
sint32 bx, by;
server_list_get_item_button(i, 0, sy, width, &bx, &by);
if (x >= bx && y >= by && x < bx + 24 && y < by + 24) {
hoverButtonIndex = i;
break;
}
}
}
sint32 width = w->widgets[WIDX_LIST].right - w->widgets[WIDX_LIST].left;
sint32 right = width - 3 - 14 - 10;
if (x < right)
{
w->widgets[WIDX_LIST].tooltip = STR_NONE;
window_tooltip_close();
}
if (w->selected_list_item != index || _hoverButtonIndex != hoverButtonIndex) {
w->selected_list_item = index;
_hoverButtonIndex = hoverButtonIndex;
window_tooltip_close();
window_invalidate(w);
}
}
static void window_server_list_textinput(rct_window *w, rct_widgetindex widgetIndex, char *text)
{
if (text == nullptr || text[0] == 0) return;
switch (widgetIndex) {
case WIDX_PLAYER_NAME_INPUT:
if (strcmp(_playerName, text) == 0)
return;
if (strlen(text) == 0) {
memset(_playerName, 0, sizeof(_playerName));
} else {
memset(_playerName, 0, sizeof(_playerName));
safe_strcpy(_playerName, text, sizeof(_playerName));
}
if (strlen(_playerName) > 0) {
SafeFree(gConfigNetwork.player_name);
gConfigNetwork.player_name = _strdup(_playerName);
config_save_default();
}
widget_invalidate(w, WIDX_PLAYER_NAME_INPUT);
break;
case WIDX_ADD_SERVER:
{
std::lock_guard<std::mutex> guard(_mutex);
auto &entry = add_server_entry(text);
entry.favourite = true;
sort_servers();
server_list_save_server_entries();
}
window_invalidate(w);
break;
}
}
static void window_server_list_invalidate(rct_window *w)
{
set_format_arg(0, char *, _version.c_str());
window_server_list_widgets[WIDX_BACKGROUND].right = w->width - 1;
window_server_list_widgets[WIDX_BACKGROUND].bottom = w->height - 1;
window_server_list_widgets[WIDX_TITLE].right = w->width - 2;
window_server_list_widgets[WIDX_CLOSE].left = w->width - 2 - 11;
window_server_list_widgets[WIDX_CLOSE].right = w->width - 2 - 11 + 10;
sint32 margin = 6;
sint32 buttonHeight = 13;
sint32 buttonTop = w->height - margin - buttonHeight - 13;
sint32 buttonBottom = buttonTop + buttonHeight;
sint32 listBottom = buttonTop - margin;
window_server_list_widgets[WIDX_PLAYER_NAME_INPUT].right = w->width - 6;
window_server_list_widgets[WIDX_LIST].left = 6;
window_server_list_widgets[WIDX_LIST].right = w->width - 6;
window_server_list_widgets[WIDX_LIST].bottom = listBottom;
window_server_list_widgets[WIDX_FETCH_SERVERS].top = buttonTop;
window_server_list_widgets[WIDX_FETCH_SERVERS].bottom = buttonBottom;
window_server_list_widgets[WIDX_ADD_SERVER].top = buttonTop;
window_server_list_widgets[WIDX_ADD_SERVER].bottom = buttonBottom;
window_server_list_widgets[WIDX_START_SERVER].top = buttonTop;
window_server_list_widgets[WIDX_START_SERVER].bottom = buttonBottom;
w->no_list_items = (uint16)_serverEntries.size();
}
static void window_server_list_paint(rct_window *w, rct_drawpixelinfo *dpi)
{
window_draw_widgets(w, dpi);
gfx_draw_string_left(dpi, STR_PLAYER_NAME, nullptr, COLOUR_WHITE, w->x + 6, w->y + w->widgets[WIDX_PLAYER_NAME_INPUT].top);
// Draw version number
std::string version = network_get_version();
const char * versionCStr = version.c_str();
gfx_draw_string_left(dpi, STR_NETWORK_VERSION, (void*)&versionCStr, COLOUR_WHITE, w->x + 324, w->y + w->widgets[WIDX_START_SERVER].top + 1);
gfx_draw_string_left(dpi, status_text, (void *)&_numPlayersOnline, COLOUR_WHITE, w->x + 8, w->y + w->height - 15);
}
static void window_server_list_scrollpaint(rct_window *w, rct_drawpixelinfo *dpi, sint32 scrollIndex)
{
std::lock_guard<std::mutex> guard(_mutex);
uint8 paletteIndex = ColourMapA[w->colours[1]].mid_light;
gfx_clear(dpi, paletteIndex);
sint32 width = w->widgets[WIDX_LIST].right - w->widgets[WIDX_LIST].left;
sint32 y = 0;
w->widgets[WIDX_LIST].tooltip = STR_NONE;
for (sint32 i = 0; i < w->no_list_items; i++) {
if (y >= dpi->y + dpi->height) continue;
// if (y + ITEM_HEIGHT < dpi->y) continue;
server_entry *serverDetails = &_serverEntries[i];
bool highlighted = i == w->selected_list_item;
// Draw hover highlight
if (highlighted) {
gfx_filter_rect(dpi, 0, y, width, y + ITEM_HEIGHT, PALETTE_DARKEN_1);
_version = serverDetails->version;
w->widgets[WIDX_LIST].tooltip = STR_NETWORK_VERSION_TIP;
}
sint32 colour = w->colours[1];
if (serverDetails->favourite) {
colour = COLOUR_YELLOW;
}
// Draw server information
if (highlighted && !serverDetails->description.empty()) {
gfx_draw_string(dpi, serverDetails->description.c_str(), colour, 3, y + 3);
} else {
gfx_draw_string(dpi, serverDetails->name.c_str(), colour, 3, y + 3);
}
sint32 right = width - 3 - 14;
// Draw compatibility icon
right -= 10;
sint32 compatibilitySpriteId;
if (serverDetails->version.empty()) {
// Server not online...
compatibilitySpriteId = SPR_G2_RCT1_CLOSE_BUTTON_0;
} else {
// Server online... check version
bool correctVersion = serverDetails->version == network_get_version();
compatibilitySpriteId = correctVersion ? SPR_G2_RCT1_OPEN_BUTTON_2 : SPR_G2_RCT1_CLOSE_BUTTON_2;
}
gfx_draw_sprite(dpi, compatibilitySpriteId, right, y + 1, 0);
right -= 4;
// Draw lock icon
right -= 8;
if (serverDetails->requiresPassword) {
gfx_draw_sprite(dpi, SPR_G2_LOCKED, right, y + 4, 0);
}
right -= 6;
// Draw number of players
char players[32];
players[0] = 0;
if (serverDetails->maxplayers > 0) {
snprintf(players, 32, "%d/%d", serverDetails->players, serverDetails->maxplayers);
}
sint32 numPlayersStringWidth = gfx_get_string_width(players);
gfx_draw_string(dpi, players, w->colours[1], right - numPlayersStringWidth, y + 3);
y += ITEM_HEIGHT;
}
}
static void server_list_get_item_button(sint32 buttonIndex, sint32 x, sint32 y, sint32 width, sint32 *outX, sint32 *outY)
{
*outX = width - 3 - 36 - (30 * buttonIndex);
*outY = y + 2;
}
static void server_list_load_server_entries()
{
auto entries = server_list_read();
{
std::lock_guard<std::mutex> guard(_mutex);
dispose_server_entry_list();
_serverEntries = entries;
sort_servers();
}
}
static void server_list_save_server_entries()
{
// Save just favourite servers
std::vector<server_entry> favouriteServers;
std::copy_if(
_serverEntries.begin(),
_serverEntries.end(),
std::back_inserter(favouriteServers),
[](const server_entry &entry)
{
return entry.favourite;
});
server_list_write(favouriteServers);
}
static void dispose_server_entry_list()
{
_serverEntries.clear();
_serverEntries.shrink_to_fit();
}
static server_entry & add_server_entry(const std::string &address)
{
auto entry = std::find_if(
std::begin(_serverEntries),
std::end(_serverEntries),
[address](const server_entry &e)
{
return e.address == address;
});
if (entry != _serverEntries.end())
{
return *entry;
}
server_entry newserver;
newserver.address = address;
newserver.name = address;
_serverEntries.push_back(newserver);
return _serverEntries.back();
}
static bool server_compare(const server_entry &a, const server_entry &b)
{
// Order by favourite
if (a.favourite != b.favourite)
{
return a.favourite;
}
// Then by version
bool serverACompatible = a.version == network_get_version();
bool serverBCompatible = b.version == network_get_version();
if (serverACompatible != serverBCompatible)
{
return serverACompatible;
}
// Then by password protection
if (a.requiresPassword != b.requiresPassword)
{
return !a.requiresPassword;
}
// Then by name
return String::Compare(a.name, b.name, true) < 0;
}
static void sort_servers()
{
std::sort(
_serverEntries.begin(),
_serverEntries.end(),
server_compare);
}
static void join_server(std::string address)
{
sint32 port = gConfigNetwork.default_port;
auto beginBracketIndex = address.find('[');
auto endBracketIndex = address.find(']');
auto dotIndex = address.find('.');
auto colonIndex = address.find_last_of(':');
if (colonIndex != std::string::npos)
{
if (endBracketIndex != std::string::npos || dotIndex != std::string::npos)
{
std::sscanf(&address[colonIndex + 1], "%d", &port);
address = address.substr(0, colonIndex);
}
}
if (beginBracketIndex != std::string::npos && endBracketIndex != std::string::npos)
{
address = address.substr(beginBracketIndex + 1, endBracketIndex - beginBracketIndex - 1);
}
if (!network_begin_client(address.c_str(), port))
{
context_show_error(STR_UNABLE_TO_CONNECT_TO_SERVER, STR_NONE);
}
}
#ifndef DISABLE_HTTP
static void fetch_servers()
{
const char *masterServerUrl = OPENRCT2_MASTER_SERVER_URL;
if (!str_is_null_or_empty(gConfigNetwork.master_server_url)) {
masterServerUrl = gConfigNetwork.master_server_url;
}
{
std::lock_guard<std::mutex> guard(_mutex);
_serverEntries.erase(
std::remove_if(
_serverEntries.begin(),
_serverEntries.end(),
[](const server_entry &server)
{
return !server.favourite;
}),
_serverEntries.end());
sort_servers();
}
Http::Request request;
request.url = masterServerUrl;
request.method = Http::Method::GET;
request.header["Accept"] = "application/json";
status_text = STR_SERVER_LIST_CONNECTING;
Http::DoAsync(request, fetch_servers_callback);
}
static uint32 get_total_player_count()
{
return std::accumulate(
_serverEntries.begin(),
_serverEntries.end(),
0,
[](uint32 acc, const server_entry &entry)
{
return acc + entry.players;
});
}
static void fetch_servers_callback(Http::Response & response)
{
if (response.status != Http::Status::OK)
{
status_text = STR_SERVER_LIST_NO_CONNECTION;
window_invalidate_by_class(WC_SERVER_LIST);
log_warning("Unable to connect to master server");
return;
}
json_t * root = Json::FromString(response.body);
json_t * jsonStatus = json_object_get(root, "status");
if (!json_is_number(jsonStatus)) {
status_text = STR_SERVER_LIST_INVALID_RESPONSE_JSON_NUMBER;
window_invalidate_by_class(WC_SERVER_LIST);
log_warning("Invalid response from master server");
return;
}
sint32 status = (sint32)json_integer_value(jsonStatus);
if (status != 200) {
status_text = STR_SERVER_LIST_MASTER_SERVER_FAILED;
window_invalidate_by_class(WC_SERVER_LIST);
log_warning("Master server failed to return servers");
return;
}
json_t * jsonServers = json_object_get(root, "servers");
if (!json_is_array(jsonServers)) {
status_text = STR_SERVER_LIST_INVALID_RESPONSE_JSON_ARRAY;
window_invalidate_by_class(WC_SERVER_LIST);
log_warning("Invalid response from master server");
return;
}
sint32 count = (sint32)json_array_size(jsonServers);
for (sint32 i = 0; i < count; i++) {
json_t *server = json_array_get(jsonServers, i);
if (!json_is_object(server)) {
continue;
}
json_t *port = json_object_get(server, "port");
json_t *name = json_object_get(server, "name");
json_t *description = json_object_get(server, "description");
json_t *requiresPassword = json_object_get(server, "requiresPassword");
json_t *version = json_object_get(server, "version");
json_t *players = json_object_get(server, "players");
json_t *maxPlayers = json_object_get(server, "maxPlayers");
json_t *ip = json_object_get(server, "ip");
json_t *ip4 = json_object_get(ip, "v4");
json_t *addressIp = json_array_get(ip4, 0);
if (name == nullptr || version == nullptr)
{
log_verbose("Cowardly refusing to add server without name or version specified.");
continue;
}
auto address = String::StdFormat("%s:%d", json_string_value(addressIp), (sint32)json_integer_value(port));
{
std::lock_guard<std::mutex> guard(_mutex);
auto &newserver = add_server_entry(address);
newserver.name = json_string_value(name);
newserver.requiresPassword = json_is_true(requiresPassword);
newserver.description = (description == nullptr ? "" : json_string_value(description));
newserver.version = json_string_value(version);
newserver.players = (uint8)json_integer_value(players);
newserver.maxplayers = (uint8)json_integer_value(maxPlayers);
}
}
sort_servers();
_numPlayersOnline = get_total_player_count();
status_text = STR_X_PLAYERS_ONLINE;
window_invalidate_by_class(WC_SERVER_LIST);
}
#endif
static bool is_version_valid(const std::string &version)
{
return version.empty() || version == network_get_version();
}
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