Descent3/netcon/mtclient/mtgametrack.h

/*
* Descent 3
* Copyright (C) 2024 Parallax Software
*
* 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 3 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.
*
* You should have received a copy of the GNU General Public License
* along with this program.  If not, see <http://www.gnu.org/licenses/>.

--- HISTORICAL COMMENTS FOLLOW ---

* $Logfile: /DescentIII/Main/mtclient/mtgametrack.h $
* $Revision: 1.1.1.1 $
* $Date: 2003-08-26 03:58:40 $
* $Author: kevinb $
*
* Game Tracker client code header
*
* $Log: not supported by cvs2svn $
 *
 * 14    10/03/01 12:44a Kevin
 * Smaller version of pxo packets
 *
 * 13    4/29/99 10:13a Kevin
 * reduced time between game updates
 *
 * 12    4/19/99 8:35p Jeff
 * compile under Linux
 *
 * 11    4/17/99 3:44p Kevin
 * Demo2 changes & fixes
 *
 * 10    4/07/99 9:15a Kevin
 * Changed PXO server addresses for release builds
 *
 * 9     3/25/99 3:26p Kevin
 * Made PXO games be based on your chat channel
 *
 * 8     2/16/99 12:36a Kevin
 * Fixes for release builds of OEM V3 and KAtmai
 *
 * 7     2/03/99 6:14p Kevin
 * OEM changes
 *
 * 6     1/07/99 11:51a Kevin
 * Added support for joining servers on alternate ports and hosting behind
 * a proxy/firewall
 *
 * 5     12/23/98 6:38p Kevin
 * All UDP data (except gamespy) now uses one (registered) port number
 *
 * 4     10/09/98 2:56p Kevin
 * Changed IP addresses for PXO demo
 *
 * 3     10/01/98 11:37a Kevin
 * UI fixes and stuff
 *
 * 2     6/01/98 10:10a Kevin
 * Added DLL connection interface and auto update DLL
 *
 * 1     5/21/98 11:08a Kevin
 *
 * 5     5/14/98 11:07a Kevin
 * Made gameover packet to the tracker reliable
 *
 * 4     4/30/98 3:49p Kevin
 * Mastertracker pilot stats
 *
 * 3     4/24/98 3:50p Kevin
 * Added mastertracker game tracking support
 *
 * 2     4/23/98 4:49p Kevin
 * Added Master tracker Game tracker support
 *
 * 1     4/23/98 3:28p Kevin
*
* $NoKeywords: $
*/

#include "pstypes.h"

#ifndef _GAMETRACK_HEADER_DEFINED
#define _GAMETRACK_HEADER_DEFINED

#ifdef WIN32
#pragma pack(push, r_udp)
#endif
#pragma pack(1)

// Definitions
#define GAMETRACKERNAME "tracker.pxo.nottheeye.com"
#define GAMEPORT 3445

#define MAX_GAME_BUFFERS 20 // Thats a lot considering 20 games per game_list struct

#define TRACKER_UPDATE_INTERVAL 60.0 // 300 seconds
#define TRACKER_RESEND_TIME 2.0      // 2 seconds
#define TRACKER_TIMEOUT 20           // 20 seconds

#define MAX_NET_RETRIES 30
#define NET_ACK_TIMEOUT 1.5
#define NET_GAME_TIMEOUT 300.0 // time in seconds

#define MAX_GT_GAME_DATA_SIZE 1500

#define MAX_GENERIC_GAME_NAME_LEN 32

#define MAX_GAME_LISTS_PER_PACKET 20

#define MAX_D3_PLAYERS 32
#define MAX_D3_MISSION_NAME_LEN 32
#define MAX_D3_PLAYER_NAME_LEN 20
#define MAX_D3_MISSION_FILE_LEN 32
#define MAX_D3_MISSION_URL_LEN 100

#define GNT_SERVER_ACK 0
#define GNT_CLIENT_ACK 1
#define GNT_GAMESTARTED 2
#define GNT_GAMEOVER 3
#define GNT_GAMEUPDATE 4
#define GNT_GAMELIST_REQ 5
#define GNT_GAMELIST_DATA 6
#define GNT_GAMELIST_FILTER_REQ 7
#define GNT_GAMEUPDATE_SHORT 8
#define GNT_GAMEUPDATE_TINY 9
#define GNT_GAMELIST_LITE_DATA 10
#define GNT_GAMELIST_LITE_FILTER_REQ 11

#define GT_FREESPACE 1
#define GT_DESCENT3 2
#define GT_TUBERACER 3
#define GT_UNUSED 0
#define GT_D3TNG 42
#define GAME_HEADER_ONLY_SIZE (sizeof(game_packet_header) - MAX_GT_GAME_DATA_SIZE)

struct game_packet_header {
  uint32_t len;      // Length of entire packet;
  uint8_t game_type; // 1==freespace (GT_FREESPACE), 2==D3, 3==tuberacer, etc.
  SOCKADDR_IN addr;
  int type; // Used to specify what to do ie. Add a new net game (GNT_GAMESTARTED), remove a net game (game over), etc.
  uint32_t sig; // Unique identifier for client ACKs (The server always fills this in, the client responds)

  char data[MAX_GT_GAME_DATA_SIZE];
};

struct d3_net_game_data {
  char game_name[MAX_GENERIC_GAME_NAME_LEN];
  int difficulty;
  int type; // game type;
  int state;
  int max_players;
  int current_num_players;
  char mission_name[MAX_D3_MISSION_NAME_LEN];
  char mission_file[MAX_D3_MISSION_FILE_LEN];
  char mission_url[MAX_D3_MISSION_URL_LEN];
  char players[MAX_D3_PLAYERS][MAX_D3_PLAYER_NAME_LEN];
  int player_rank[MAX_D3_PLAYERS];
};

struct d3_net_game_data_short {
  char game_name[MAX_GENERIC_GAME_NAME_LEN];
  int type; // game type;
  int state;
  int max_players;
  int current_num_players;
  char mission_name[MAX_D3_MISSION_NAME_LEN];
  char lobby[MAX_GENERIC_GAME_NAME_LEN * 2];
};

struct d3_net_game_data_tiny {
  int options; // 1==force port to arg1
  int arg1;
  char lobby[MAX_GENERIC_GAME_NAME_LEN * 2];
};

/*
struct filter_game_list_struct {
        int	rank;
        char	preferred_players[][];

};
*/

struct active_games {
  int game_type; // ie. GT_FREESPACE GT_DESCENT3, etc.
  SOCKADDR addr;
  uint32_t last_update;             // Time we last got an update from this game
  char data[MAX_GT_GAME_DATA_SIZE]; // memory to hold the game specific data
  active_games *next;
};
/*
struct game_list {
        uint8_t game_type;
        char game_name[MAX_GAME_LISTS_PER_PACKET][MAX_GENERIC_GAME_NAME_LEN];
        uint32_t	game_server[MAX_GAME_LISTS_PER_PACKET];
        uint16_t game_port[MAX_GAME_LISTS_PER_PACKET];
};
*/

struct game_list {
  uint8_t game_type;
  uint32_t game_server[MAX_GAME_LISTS_PER_PACKET * 4];
  uint16_t game_port[MAX_GAME_LISTS_PER_PACKET * 4];
};

// Function prototypes

int InitGameTrackerClient(int gametype);
void IdleGameTracker();
void UpdateGameData(void *buffer);
game_list *GetGameList();
void RequestGameList();
int SendGameOver();
void StartTrackerGame(void *buffer);
void HandleGamePacket(uint8_t *data, int len, network_address *from);
void AckPacket(int sig);

#ifdef WIN32
#pragma pack(pop, r_udp)
#else
#pragma pack()
#endif
#endif