ref: 1b53d785acee74cfb4a5d9e08ca27f25d07e9b14
dir: /src/net_gui.c/
//
// Copyright(C) 2005-2014 Simon Howard
//
// This program 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 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// Graphical stuff related to the networking code:
//
// * The client waiting screen when we are waiting for the server to
// start the game.
//
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include "config.h"
#include "doomkeys.h"
#include "i_system.h"
#include "i_timer.h"
#include "i_video.h"
#include "m_argv.h"
#include "m_misc.h"
#include "net_client.h"
#include "net_gui.h"
#include "net_query.h"
#include "net_server.h"
#include "textscreen.h"
static txt_window_t *window;
static int old_max_players;
static txt_label_t *player_labels[NET_MAXPLAYERS];
static txt_label_t *ip_labels[NET_MAXPLAYERS];
static txt_label_t *drone_label;
static txt_label_t *master_msg_label;
static boolean had_warning;
// Number of players we expect to be in the game. When the number is
// reached, we auto-start the game (if we're the controller). If
// zero, do not autostart.
static int expected_nodes;
static void EscapePressed(TXT_UNCAST_ARG(widget), void *unused)
{
TXT_Shutdown();
I_Quit();
}
static void StartGame(TXT_UNCAST_ARG(widget), TXT_UNCAST_ARG(unused))
{
NET_CL_LaunchGame();
}
static void OpenWaitDialog(void)
{
txt_window_action_t *cancel;
TXT_SetDesktopTitle(PACKAGE_STRING);
window = TXT_NewWindow("Waiting for game start...");
TXT_AddWidget(window, TXT_NewLabel("\nPlease wait...\n\n"));
cancel = TXT_NewWindowAction(KEY_ESCAPE, "Cancel");
TXT_SignalConnect(cancel, "pressed", EscapePressed, NULL);
TXT_SetWindowAction(window, TXT_HORIZ_LEFT, cancel);
TXT_SetWindowPosition(window, TXT_HORIZ_CENTER, TXT_VERT_BOTTOM,
TXT_SCREEN_W / 2, TXT_SCREEN_H - 9);
old_max_players = 0;
}
static void BuildWindow(void)
{
char buf[50];
txt_table_t *table;
int i;
TXT_ClearTable(window);
table = TXT_NewTable(3);
TXT_AddWidget(window, table);
// Add spacers
TXT_AddWidget(table, NULL);
TXT_AddWidget(table, TXT_NewStrut(25, 1));
TXT_AddWidget(table, TXT_NewStrut(17, 1));
// Player labels
for (i = 0; i < net_client_wait_data.max_players; ++i)
{
M_snprintf(buf, sizeof(buf), " %i. ", i + 1);
TXT_AddWidget(table, TXT_NewLabel(buf));
player_labels[i] = TXT_NewLabel("");
ip_labels[i] = TXT_NewLabel("");
TXT_AddWidget(table, player_labels[i]);
TXT_AddWidget(table, ip_labels[i]);
}
drone_label = TXT_NewLabel("");
TXT_AddWidget(window, drone_label);
}
static void UpdateGUI(void)
{
txt_window_action_t *startgame;
char buf[50];
unsigned int i;
// If the value of max_players changes, we must rebuild the
// contents of the window. This includes when the first
// waiting data packet is received.
if (net_client_received_wait_data)
{
if (net_client_wait_data.max_players != old_max_players)
{
BuildWindow();
}
}
else
{
return;
}
for (i = 0; i < net_client_wait_data.max_players; ++i)
{
txt_color_t color = TXT_COLOR_BRIGHT_WHITE;
if ((signed) i == net_client_wait_data.consoleplayer)
{
color = TXT_COLOR_YELLOW;
}
TXT_SetFGColor(player_labels[i], color);
TXT_SetFGColor(ip_labels[i], color);
if (i < net_client_wait_data.num_players)
{
TXT_SetLabel(player_labels[i],
net_client_wait_data.player_names[i]);
TXT_SetLabel(ip_labels[i],
net_client_wait_data.player_addrs[i]);
}
else
{
TXT_SetLabel(player_labels[i], "");
TXT_SetLabel(ip_labels[i], "");
}
}
if (net_client_wait_data.num_drones > 0)
{
M_snprintf(buf, sizeof(buf), " (+%i observer clients)",
net_client_wait_data.num_drones);
TXT_SetLabel(drone_label, buf);
}
else
{
TXT_SetLabel(drone_label, "");
}
if (net_client_wait_data.is_controller)
{
startgame = TXT_NewWindowAction(' ', "Start game");
TXT_SignalConnect(startgame, "pressed", StartGame, NULL);
}
else
{
startgame = NULL;
}
TXT_SetWindowAction(window, TXT_HORIZ_RIGHT, startgame);
}
static void BuildMasterStatusWindow(void)
{
txt_window_t *master_window;
master_window = TXT_NewWindow(NULL);
master_msg_label = TXT_NewLabel("");
TXT_AddWidget(master_window, master_msg_label);
// This window is here purely for information, so it should be
// in the background.
TXT_LowerWindow(master_window);
TXT_SetWindowPosition(master_window, TXT_HORIZ_CENTER, TXT_VERT_CENTER,
TXT_SCREEN_W / 2, TXT_SCREEN_H - 4);
TXT_SetWindowAction(master_window, TXT_HORIZ_LEFT, NULL);
TXT_SetWindowAction(master_window, TXT_HORIZ_CENTER, NULL);
TXT_SetWindowAction(master_window, TXT_HORIZ_RIGHT, NULL);
}
static void CheckMasterStatus(void)
{
boolean added;
if (!NET_Query_CheckAddedToMaster(&added))
{
return;
}
if (master_msg_label == NULL)
{
BuildMasterStatusWindow();
}
if (added)
{
TXT_SetLabel(master_msg_label,
"Your server is now registered with the global master server.\n"
"Other players can find your server online.");
}
else
{
TXT_SetLabel(master_msg_label,
"Failed to register with the master server. Your server is not\n"
"publicly accessible. You may need to reconfigure your Internet\n"
"router to add a port forward for UDP port 2342. Look up\n"
"information on port forwarding online.");
}
}
static void PrintSHA1Digest(char *s, byte *digest)
{
unsigned int i;
printf("%s: ", s);
for (i=0; i<sizeof(sha1_digest_t); ++i)
{
printf("%02x", digest[i]);
}
printf("\n");
}
static void CloseWindow(TXT_UNCAST_ARG(widget), TXT_UNCAST_ARG(window))
{
TXT_CAST_ARG(txt_window_t, window);
TXT_CloseWindow(window);
}
static void CheckSHA1Sums(void)
{
boolean correct_wad, correct_deh;
boolean same_freedoom;
txt_window_t *window;
txt_window_action_t *cont_button;
if (!net_client_received_wait_data || had_warning)
{
return;
}
correct_wad = memcmp(net_local_wad_sha1sum,
net_client_wait_data.wad_sha1sum,
sizeof(sha1_digest_t)) == 0;
correct_deh = memcmp(net_local_deh_sha1sum,
net_client_wait_data.deh_sha1sum,
sizeof(sha1_digest_t)) == 0;
same_freedoom = net_client_wait_data.is_freedoom == net_local_is_freedoom;
if (correct_wad && correct_deh && same_freedoom)
{
return;
}
if (!correct_wad)
{
printf("Warning: WAD SHA1 does not match server:\n");
PrintSHA1Digest("Local", net_local_wad_sha1sum);
PrintSHA1Digest("Server", net_client_wait_data.wad_sha1sum);
}
if (!same_freedoom)
{
printf("Warning: Mixing Freedoom with non-Freedoom\n");
printf("Local: %i Server: %i\n",
net_local_is_freedoom,
net_client_wait_data.is_freedoom);
}
if (!correct_deh)
{
printf("Warning: Dehacked SHA1 does not match server:\n");
PrintSHA1Digest("Local", net_local_deh_sha1sum);
PrintSHA1Digest("Server", net_client_wait_data.deh_sha1sum);
}
window = TXT_NewWindow("WARNING!");
cont_button = TXT_NewWindowAction(KEY_ENTER, "Continue");
TXT_SignalConnect(cont_button, "pressed", CloseWindow, window);
TXT_SetWindowAction(window, TXT_HORIZ_LEFT, NULL);
TXT_SetWindowAction(window, TXT_HORIZ_CENTER, cont_button);
TXT_SetWindowAction(window, TXT_HORIZ_RIGHT, NULL);
if (!same_freedoom)
{
// If Freedoom and Doom IWADs are mixed, the WAD directory
// will be wrong, but this is not neccessarily a problem.
// Display a different message to the WAD directory message.
if (net_local_is_freedoom)
{
TXT_AddWidget(window, TXT_NewLabel
("You are using the Freedoom IWAD to play with players\n"
"using an official Doom IWAD. Make sure that you are\n"
"playing the same levels as other players.\n"));
}
else
{
TXT_AddWidget(window, TXT_NewLabel
("You are using an official IWAD to play with players\n"
"using the Freedoom IWAD. Make sure that you are\n"
"playing the same levels as other players.\n"));
}
}
else if (!correct_wad)
{
TXT_AddWidget(window, TXT_NewLabel
("Your WAD directory does not match other players in the game.\n"
"Check that you have loaded the exact same WAD files as other\n"
"players.\n"));
}
if (!correct_deh)
{
TXT_AddWidget(window, TXT_NewLabel
("Your dehacked signature does not match other players in the\n"
"game. Check that you have loaded the same dehacked patches\n"
"as other players.\n"));
}
TXT_AddWidget(window, TXT_NewLabel
("If you continue, this may cause your game to desync."));
had_warning = true;
}
static void ParseCommandLineArgs(void)
{
int i;
//!
// @arg <n>
// @category net
//
// Autostart the netgame when n nodes (clients) have joined the server.
//
i = M_CheckParmWithArgs("-nodes", 1);
if (i > 0)
{
expected_nodes = atoi(myargv[i + 1]);
}
}
static void CheckAutoLaunch(void)
{
int nodes;
if (net_client_received_wait_data
&& net_client_wait_data.is_controller
&& expected_nodes > 0)
{
nodes = net_client_wait_data.num_players
+ net_client_wait_data.num_drones;
if (nodes >= expected_nodes)
{
StartGame(NULL, NULL);
expected_nodes = 0;
}
}
}
void NET_WaitForLaunch(void)
{
if (!TXT_Init())
{
fprintf(stderr, "Failed to initialize GUI\n");
exit(-1);
}
I_InitWindowIcon();
ParseCommandLineArgs();
OpenWaitDialog();
had_warning = false;
while (net_waiting_for_launch)
{
UpdateGUI();
CheckAutoLaunch();
CheckSHA1Sums();
CheckMasterStatus();
TXT_DispatchEvents();
TXT_DrawDesktop();
NET_CL_Run();
NET_SV_Run();
if (!net_client_connected)
{
I_Error("Lost connection to server");
}
TXT_Sleep(100);
}
TXT_Shutdown();
}