422 lines
15 KiB
C++
422 lines
15 KiB
C++
/*
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** Command & Conquer Red Alert(tm)
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** Copyright 2025 Electronic Arts Inc.
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**
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** This program is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/***************************************************************************
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* *
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* Project Name : Command & Conquer *
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* *
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* File Name : CCMPATH.CPP *
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* *
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* Programmer : Bill R. Randolph *
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* *
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* Start Date : 01/09/96 *
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* *
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* Last Update : January 11, 1996 [BRR] *
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* *
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*-------------------------------------------------------------------------*
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* Functions: *
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* Init_MPATH -- Performs MPATH-specific initialization *
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* Shutdown_MPATH -- Shuts down MPATH connections *
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* Connect_MPATH -- Waits for connections to other players *
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* Destroy_MPATH_Connection -- Destroys the given connection *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#include "function.h"
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/***************************************************************************
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* Init_MPATH -- Performs MPATH-specific initialization *
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* *
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* INPUT: *
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* none. *
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* *
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* OUTPUT: *
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* 1 = OK, 0 = error *
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* *
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* WARNINGS: *
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* none. *
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* *
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* HISTORY: *
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* 01/09/1996 BRR : Created. *
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*=========================================================================*/
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int Init_MPATH(void)
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{
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#if(MPATH)
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//------------------------------------------------------------------------
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// Allocate a packet buffer for MPATH's use
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//------------------------------------------------------------------------
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Session.MPathPacket = new char[Session.MPathSize];
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//------------------------------------------------------------------------
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// Read the multiplayer settings from the CONQUER.INI file, and the game
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// options from the options file.
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//------------------------------------------------------------------------
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Session.Read_MultiPlayer_Settings();
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if (!Read_MPATH_Game_Options()) {
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WWMessageBox().Process("Unable to load game settings!");
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//Prog_End();
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Emergency_Exit(0);
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}
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//------------------------------------------------------------------------
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// Flush all incoming packets
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//------------------------------------------------------------------------
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MPath->Flush_All();
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//------------------------------------------------------------------------
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// Form connections to all other players
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//------------------------------------------------------------------------
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Connect_MPATH();
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//------------------------------------------------------------------------
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// Set multiplayer values for the local system, and timing values.
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//------------------------------------------------------------------------
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Session.CommProtocol = COMM_PROTOCOL_MULTI_E_COMP;
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return (1);
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#else
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return (1);
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#endif
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} // end of Init_MPATH
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/***************************************************************************
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* Shutdown_MPATH -- Shuts down MPATH connections *
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* *
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* INPUT: *
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* none. *
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* *
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* OUTPUT: *
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* none. *
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* *
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* WARNINGS: *
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* none. *
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* *
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* HISTORY: *
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* 01/09/1996 BRR : Created. *
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*=========================================================================*/
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void Shutdown_MPATH(void)
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{
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#if(MPATH)
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CDTimerClass<SystemTimerClass> timer;
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//------------------------------------------------------------------------
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// Wait a full second before exiting, to ensure all packets get sent.
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//------------------------------------------------------------------------
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timer = 60;
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while (timer) ;
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//------------------------------------------------------------------------
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// Free memory
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//------------------------------------------------------------------------
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if (Session.MPathPacket) {
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delete [] Session.MPathPacket;
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Session.MPathPacket = NULL;
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}
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if (MPath) {
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delete MPath;
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MPath = NULL;
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}
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return;
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#endif
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} // end of Shutdown_MPATH
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/***************************************************************************
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* Connect_MPATH -- Waits for connections to other players *
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* *
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* INPUT: *
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* none. *
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* *
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* OUTPUT: *
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* none. *
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* *
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* WARNINGS: *
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* none. *
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* *
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* HISTORY: *
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* 01/10/1996 BRR : Created. *
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*=========================================================================*/
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void Connect_MPATH(void)
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{
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#if(MPATH)
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typedef struct ConnectPacketTag {
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NetCommandType Dummy; // packet type; set to PING
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char Name[MPLAYER_NAME_MAX]; // player's name
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HousesType House; // player's ActLike
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unsigned char Color; // player's Color
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} ConnectPacketType;
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int num_players;
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int num_found;
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ConnectPacketType send_packet;
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ConnectPacketType receive_packet;
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int address;
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int found;
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int size;
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int i;
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CDTimerClass<SystemTimerClass> send_timer;
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NodeNameType *who;
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enum {
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D_TXT6_H = 7,
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D_MARGIN = 5,
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};
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static int x,y,w,h;
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char const *buf1;
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char const *buf2;
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int display = 0;
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RemapControlType * scheme = GadgetClass::Get_Color_Scheme();
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//
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// Clear the Players list
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//
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while (Session.Players.Count() > 0) {
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delete Session.Players[0];
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Session.Players.Delete(Session.Players[0]);
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}
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//
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// Add myself to the list first thing
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//
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who = new NodeNameType;
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strcpy(who->Name, Session.Handle);
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who->Player.House = Session.House;
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who->Player.Color = Session.ColorIdx;
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Session.Players.Add (who);
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//
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// Find out how many players to wait for
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//
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num_players = MPath->Find_Num_Connections();
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num_found = 0;
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Session.NumPlayers = num_players + 1;
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//
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// Send out a packet announcing my presence
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//
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send_packet.Dummy = NET_PING;
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strcpy(send_packet.Name, Session.Handle);
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send_packet.House = Session.House;
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send_packet.Color = Session.ColorIdx;
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MPath->Send_Global_Message(&send_packet, sizeof(send_packet), 0, 0);
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//
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// Start our packet-sending timer
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//
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send_timer = 240;
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//
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// Wait for all players to enter the game
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//
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display = 1;
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while (num_found < num_players) {
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#ifdef WIN32
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/*
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** If we have just received input focus again after running in the background then
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** we need to redraw.
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*/
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if (AllSurfaces.SurfacesRestored) {
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AllSurfaces.SurfacesRestored=FALSE;
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display = 1;
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}
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#endif
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if (display) {
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Fancy_Text_Print("", 0, 0, 0, 0, TPF_TEXT);
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buf1 = Text_String(TXT_WAITING_FOR_CONNECTIONS);
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buf2 = Text_String(TXT_PRESS_ESC);
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w = MAX(String_Pixel_Width(buf1),String_Pixel_Width(buf2));
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w += (D_MARGIN * 2);
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h = (D_TXT6_H * 2) + (D_MARGIN * 7);
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x = 160 - (w / 2);
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y = 100 - (h / 2);
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Hide_Mouse();
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//Set_Logic_Page(SeenBuff);
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Dialog_Box(x * RESFACTOR, y * RESFACTOR, w * RESFACTOR, h * RESFACTOR);
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Fancy_Text_Print(buf1,
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160 * RESFACTOR,
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(y + (D_MARGIN * 2)) * RESFACTOR,
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scheme, TBLACK, TPF_CENTER | TPF_TEXT);
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Fancy_Text_Print(buf2,
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160 * RESFACTOR,
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(y + (D_MARGIN * 2) + D_TXT6_H + D_MARGIN) * RESFACTOR,
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scheme, TBLACK, TPF_CENTER | TPF_TEXT);
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Show_Mouse();
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display = 0;
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}
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MPath->Service();
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//
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// Check for an incoming packet; if a PING comes in, see if we already
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// have this player in our Players list. If not, add him.
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//
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if (MPath->Get_Global_Message (&receive_packet, &size, &address) &&
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receive_packet.Dummy == NET_PING) {
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found = 0;
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for (i = 1; i < Session.Players.Count(); i++) {
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if (Session.Players[i]->MPathAddress == address) {
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found = 1;
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break;
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}
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}
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//
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// Create a new connection and a new node in the list.
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//
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if (!found) {
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who = new NodeNameType;
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strcpy(who->Name, receive_packet.Name);
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who->MPathAddress = address;
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who->Player.House = receive_packet.House;
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who->Player.Color = (PlayerColorType)receive_packet.Color;
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Session.Players.Add (who);
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num_found++;
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MPath->Send_Global_Message(&send_packet, sizeof(send_packet), 1,
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address);
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}
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}
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//
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// If the user hits ESC, bail out.
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//
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if (Keyboard->Check()) {
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if (Keyboard->Get() == KN_ESC) {
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//Prog_End();
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Emergency_Exit(0);
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}
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}
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//
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// When our timer expires, re-send the packet.
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//
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if (!send_timer) {
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send_packet.Dummy = NET_PING;
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MPath->Send_Global_Message(&send_packet, sizeof(send_packet), 0, 0);
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send_timer = 240;
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}
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}
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#else
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return;
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#endif
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}
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/***************************************************************************
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* Destroy_MPATH_Connection -- Destroys the given connection *
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* *
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* INPUT: *
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* id connection ID to destroy *
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* error 0 = user signed off; 1 = connection error; otherwise, *
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* no error is shown. *
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* *
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* OUTPUT: *
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* none. *
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* *
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* WARNINGS: *
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* none. *
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* *
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* HISTORY: *
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* 01/11/1996 BRR : Created. *
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*=========================================================================*/
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void Destroy_MPATH_Connection(int id, int error)
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{
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#if(MPATH)
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int i;
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HouseClass *housep;
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char txt[80];
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//------------------------------------------------------------------------
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// Do nothing if the house isn't human.
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//------------------------------------------------------------------------
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housep = HouseClass::As_Pointer((HousesType)id);
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if (!housep || !housep->IsHuman)
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return;
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/*------------------------------------------------------------------------
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Create a message to display to the user
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------------------------------------------------------------------------*/
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txt[0] = '\0';
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if (error==1) {
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sprintf(txt,Text_String(TXT_CONNECTION_LOST),MPath->Connection_Name(id));
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} else if (error==0) {
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sprintf(txt,Text_String(TXT_LEFT_GAME),MPath->Connection_Name(id));
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}
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if (strlen(txt)) {
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Session.Messages.Add_Message (NULL,0, txt, housep->RemapColor,
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TPF_TEXT, Rule.MessageDelay * TICKS_PER_MINUTE);
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Map.Flag_To_Redraw(false);
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}
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//------------------------------------------------------------------------
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// Remove this player from the Players vector
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//------------------------------------------------------------------------
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for (i = 0; i < Session.Players.Count(); i++) {
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if (!stricmp(Session.Players[i]->Name,housep->IniName)) {
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delete Session.Players[i];
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Session.Players.Delete(Session.Players[i]);
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break;
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}
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}
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/*------------------------------------------------------------------------
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Delete the MPATH connection
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------------------------------------------------------------------------*/
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MPath->Delete_Connection(id);
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//------------------------------------------------------------------------
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// Turn the player's house over to the computer's AI
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//------------------------------------------------------------------------
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housep->IsHuman = false;
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housep->IQ = Rule.MaxIQ;
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strcpy (housep->IniName,Text_String(TXT_COMPUTER));
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Session.NumPlayers--;
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/*------------------------------------------------------------------------
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If we're the last player left, tell the user.
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------------------------------------------------------------------------*/
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if (Session.NumPlayers == 1) {
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sprintf(txt,"%s",Text_String(TXT_JUST_YOU_AND_ME));
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Session.Messages.Add_Message (NULL, 0, txt, housep->RemapColor,
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TPF_TEXT, Rule.MessageDelay * TICKS_PER_MINUTE);
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Map.Flag_To_Redraw(false);
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}
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#else
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id = id;
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error = error;
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#endif
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} // end of Destroy_MPATH_Connection
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/***************************** end of ccmpath.cpp **************************/
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