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/*
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* Portions of this file are copyright Rebirth contributors and licensed as
* described in COPYING . txt .
* Portions of this file are copyright Parallax Software and licensed
* according to the Parallax license below .
* See COPYING . txt for license details .
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THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
SOFTWARE CORPORATION ( " PARALLAX " ) . PARALLAX , IN DISTRIBUTING THE CODE TO
END - USERS , AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN , GRANTS A
ROYALTY - FREE , PERPETUAL LICENSE TO SUCH END - USERS FOR USE BY SUCH END - USERS
IN USING , DISPLAYING , AND CREATING DERIVATIVE WORKS THEREOF , SO LONG AS
SUCH USE , DISPLAY OR CREATION IS FOR NON - COMMERCIAL , ROYALTY OR REVENUE
FREE PURPOSES . IN NO EVENT SHALL THE END - USER USE THE COMPUTER CODE
CONTAINED HEREIN FOR REVENUE - BEARING PURPOSES . THE END - USER UNDERSTANDS
AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE .
COPYRIGHT 1993 - 1999 PARALLAX SOFTWARE CORPORATION . ALL RIGHTS RESERVED .
*/
/*
*
* Defines and exported variables for multi . c
*
*/
# ifndef _MULTI_H
# define _MULTI_H
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# include "player.h"
# include "mission.h"
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# include "newmenu.h"
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# include "powerup.h"
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# include "fwdobject.h"
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# ifdef USE_UDP
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# ifdef _WIN32
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# ifdef _WIN32_WINNT
# undef _WIN32_WINNT
# endif
# define _WIN32_WINNT 0x0501 // for get/freeaddrinfo()
# include <winsock2.h>
# include <ws2tcpip.h>
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# include <io.h>
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# else
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# include <sys/socket.h>
# include <netinet/in.h>
# include <netdb.h>
# include <arpa/inet.h>
# include <unistd.h>
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# include <stdint.h>
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# include <sys/time.h>
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# endif
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# ifdef __cplusplus
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# include "pack.h"
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# include "compiler-array.h"
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# ifdef IPv6
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# define _sockaddr sockaddr_in6
# define _af AF_INET6
# define _pf PF_INET6
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# else
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# define _sockaddr sockaddr_in
# define _af AF_INET
# define _pf PF_INET
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# endif
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# endif
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// PROTOCOL VARIABLES AND DEFINES
extern int multi_protocol ; // set and determinate used protocol
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# define MULTI_PROTO_UDP 1 // UDP protocol
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// What version of the multiplayer protocol is this? Increment each time something drastic changes in Multiplayer without the version number changes. Reset to 0 each time the version of the game changes
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# define MULTI_PROTO_VERSION 15
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// PROTOCOL VARIABLES AND DEFINES - END
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// limits for Packets (i.e. positional updates) per sec
# define MIN_PPS 5
# define MAX_PPS 40
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# define MAX_MESSAGE_LEN 35
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# if defined(DXX_BUILD_DESCENT_I)
# define MAX_NET_CREATE_OBJECTS 20
# define MAX_MULTI_MESSAGE_LEN 90 //didn't change it, just moved it up
# elif defined(DXX_BUILD_DESCENT_II)
# define MAX_NET_CREATE_OBJECTS 40
# define MAX_MULTI_MESSAGE_LEN 120
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# endif
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# define NETGAME_ANARCHY 0
# define NETGAME_TEAM_ANARCHY 1
# define NETGAME_ROBOT_ANARCHY 2
# define NETGAME_COOPERATIVE 3
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# if defined(DXX_BUILD_DESCENT_II)
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# define NETGAME_CAPTURE_FLAG 4
# define NETGAME_HOARD 5
# define NETGAME_TEAM_HOARD 6
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# endif
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# define NETGAME_BOUNTY 7
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# define NETSTAT_MENU 0
# define NETSTAT_PLAYING 1
# define NETSTAT_BROWSING 2
# define NETSTAT_WAITING 3
# define NETSTAT_STARTING 4
# define NETSTAT_ENDLEVEL 5
# define CONNECT_DISCONNECTED 0
# define CONNECT_PLAYING 1
# define CONNECT_WAITING 2
# define CONNECT_DIED_IN_MINE 3
# define CONNECT_FOUND_SECRET 4
# define CONNECT_ESCAPE_TUNNEL 5
# define CONNECT_END_MENU 6
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# if defined(DXX_BUILD_DESCENT_II)
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# define CONNECT_KMATRIX_WAITING 7 // Like CONNECT_WAITING but used especially in kmatrix.c to seperate "escaped" and "waiting"
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# endif
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// reasons for a packet with type PID_DUMP
# define DUMP_CLOSED 0 // no new players allowed after game started
# define DUMP_FULL 1 // player cound maxed out
# define DUMP_ENDLEVEL 2
# define DUMP_DORK 3
# define DUMP_ABORTED 4
# define DUMP_CONNECTED 5 // never used
# define DUMP_LEVEL 6
# define DUMP_KICKED 7
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# define DUMP_PKTTIMEOUT 8
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# if defined(DXX_BUILD_DESCENT_I) || defined(DXX_BUILD_DESCENT_II)
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# define for_each_netflag_value(VALUE) \
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VALUE ( NETFLAG_DOLASER , " Laser upgrade " ) \
VALUE ( NETFLAG_DOQUAD , " Quad Lasers " ) \
VALUE ( NETFLAG_DOVULCAN , " Vulcan cannon " ) \
VALUE ( NETFLAG_DOSPREAD , " Spreadfire cannon " ) \
VALUE ( NETFLAG_DOPLASMA , " Plasma cannon " ) \
VALUE ( NETFLAG_DOFUSION , " Fusion cannon " ) \
VALUE ( NETFLAG_DOHOMING , " Homing Missiles " ) \
VALUE ( NETFLAG_DOPROXIM , " Proximity Bombs " ) \
VALUE ( NETFLAG_DOSMART , " Smart Missiles " ) \
VALUE ( NETFLAG_DOMEGA , " Mega Missiles " ) \
VALUE ( NETFLAG_DOCLOAK , " Cloaking " ) \
VALUE ( NETFLAG_DOINVUL , " Invulnerability " ) \
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D2X_MP_NETFLAGS ( VALUE ) \
# define MULTI_GAME_TYPE_COUNT 8
# if defined(DXX_BUILD_DESCENT_I)
# define MULTI_GAME_NAME_LENGTH 13
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# define MULTI_ALLOW_POWERUP_TEXT_LENGTH 18
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# define MULTI_ALLOW_POWERUP_MAX 12
# define D2X_MP_NETFLAGS(VALUE)
# elif defined(DXX_BUILD_DESCENT_II)
# define MULTI_GAME_NAME_LENGTH 17
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# define MULTI_ALLOW_POWERUP_TEXT_LENGTH 21
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# define MULTI_ALLOW_POWERUP_MAX 26
# define D2X_MP_NETFLAGS(VALUE) \
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VALUE ( NETFLAG_DOSUPERLASER , " Super lasers " ) \
VALUE ( NETFLAG_DOGAUSS , " Gauss cannon " ) \
VALUE ( NETFLAG_DOHELIX , " Helix cannon " ) \
VALUE ( NETFLAG_DOPHOENIX , " Phoenix cannon " ) \
VALUE ( NETFLAG_DOOMEGA , " Omega cannon " ) \
VALUE ( NETFLAG_DOFLASH , " Flash Missiles " ) \
VALUE ( NETFLAG_DOGUIDED , " Guided Missiles " ) \
VALUE ( NETFLAG_DOSMARTMINE , " Smart Mines " ) \
VALUE ( NETFLAG_DOMERCURY , " Mercury Missiles " ) \
VALUE ( NETFLAG_DOSHAKER , " EarthShaker Missiles " ) \
VALUE ( NETFLAG_DOAFTERBURNER , " Afterburners " ) \
VALUE ( NETFLAG_DOAMMORACK , " Ammo rack " ) \
VALUE ( NETFLAG_DOCONVERTER , " Energy Converter " ) \
VALUE ( NETFLAG_DOHEADLIGHT , " Headlight " ) \
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# endif
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# define define_netflag_bit_enum(NAME,STR) BIT_##NAME,
# define define_netflag_bit_mask(NAME,STR) NAME = (1 << BIT_##NAME),
# define define_netflag_powerup_mask(NAME,STR) | (NAME)
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enum { for_each_netflag_value ( define_netflag_bit_enum ) } ;
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// Bitmask for netgame_info->AllowedItems to set allowed items in Netgame
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enum { for_each_netflag_value ( define_netflag_bit_mask ) } ;
enum { NETFLAG_DOPOWERUP = 0 for_each_netflag_value ( define_netflag_powerup_mask ) } ;
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extern const char multi_allow_powerup_text [ MULTI_ALLOW_POWERUP_MAX ] [ MULTI_ALLOW_POWERUP_TEXT_LENGTH ] ;
extern const char GMNames [ MULTI_GAME_TYPE_COUNT ] [ MULTI_GAME_NAME_LENGTH ] ;
extern const char GMNamesShrt [ MULTI_GAME_TYPE_COUNT ] [ 8 ] ;
extern ubyte multibuf [ MAX_MULTI_MESSAGE_LEN + 4 ] ;
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extern objnum_t Net_create_objnums [ MAX_NET_CREATE_OBJECTS ] ;
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extern int Net_create_loc ;
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extern array < uint8_t , MAX_POWERUP_TYPES > PowerupsInMine , MaxPowerupsAllowed ;
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# endif
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enum msgsend_state_t {
msgsend_none ,
msgsend_typing ,
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msgsend_automap ,
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} ;
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enum deres_type_t {
deres_explode ,
deres_drop ,
} ;
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// Exported functions
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struct owned_remote_objnum
{
int8_t owner ;
int16_t objnum ;
} ;
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extern int GetMyNetRanking ( ) ;
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extern void ClipRank ( ubyte * rank ) ;
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objnum_t objnum_remote_to_local ( int remote_obj , int owner ) ;
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short objnum_local_to_remote ( objnum_t local_obj , sbyte * owner ) ;
owned_remote_objnum objnum_local_to_remote ( objnum_t local ) ;
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void map_objnum_local_to_remote ( int local , int remote , int owner ) ;
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void map_objnum_local_to_local ( objnum_t objnum ) ;
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void reset_network_objects ( ) ;
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int multi_objnum_is_past ( objnum_t objnum ) ;
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void multi_do_ping_frame ( ) ;
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void multi_init_objects ( void ) ;
void multi_show_player_list ( void ) ;
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void multi_do_protocol_frame ( int force , int listen ) ;
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void multi_do_frame ( void ) ;
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void multi_send_fire ( int laser_gun , int laser_level , int laser_flags , int laser_fired , objnum_t laser_track , objptridx_t is_bomb_objnum ) ;
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void multi_send_destroy_controlcen ( objnum_t objnum , int player ) ;
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void multi_send_endlevel_start ( int ) ;
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void multi_send_player_deres ( deres_type_t type ) ;
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void multi_send_message ( void ) ;
void multi_send_position ( int objnum ) ;
void multi_send_reappear ( ) ;
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void multi_send_kill ( vobjptridx_t objnum ) ;
void multi_send_remobj ( vobjptridx_t objnum ) ;
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void multi_send_door_open ( segnum_t segnum , int side , ubyte flag ) ;
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void multi_send_create_explosion ( playernum_t ) ;
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void multi_send_controlcen_fire ( const vms_vector & to_target , int gun_num , int objnum ) ;
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void multi_send_cloak ( void ) ;
void multi_send_decloak ( void ) ;
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void multi_send_create_powerup ( int powerup_type , segnum_t segnum , objnum_t objnum , const vms_vector & pos ) ;
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void multi_send_play_sound ( int sound_num , fix volume ) ;
void multi_send_score ( void ) ;
void multi_send_trigger ( int trigger ) ;
void multi_send_hostage_door_status ( int wallnum ) ;
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# if defined(DXX_BUILD_DESCENT_II)
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extern char Multi_is_guided ;
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void multi_send_flags ( playernum_t ) ;
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void multi_send_drop_weapon ( objnum_t objnum , int seed ) ;
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struct marker_message_text_t ;
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void multi_send_drop_marker ( int player , const vms_vector & position , char messagenum , const marker_message_text_t & text ) ;
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void multi_send_markers ( ) ;
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void multi_send_guided_info ( vobjptr_t miss , char ) ;
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void multi_send_orb_bonus ( playernum_t pnum ) ;
void multi_send_got_orb ( playernum_t pnum ) ;
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void multi_send_effect_blowup ( segnum_t segnum , int side , const vms_vector & pnt ) ;
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# endif
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void multi_add_lifetime_kills ( void ) ;
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void multi_send_bounty ( void ) ;
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void multi_endlevel_score ( void ) ;
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void multi_consistency_error ( int reset ) ;
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void multi_prep_level ( void ) ;
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int multi_level_sync ( void ) ;
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int multi_endlevel ( int * secret ) ;
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int multi_endlevel_poll1 ( newmenu * menu , const d_event & event , const unused_newmenu_userdata_t * ) ;
int multi_endlevel_poll2 ( newmenu * menu , const d_event & event , const unused_newmenu_userdata_t * ) ;
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void multi_send_endlevel_packet ( ) ;
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void multi_leave_game ( void ) ;
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void multi_process_bigdata ( playernum_t pnum , const ubyte * buf , uint_fast32_t len ) ;
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void multi_do_death ( int objnum ) ;
void multi_send_message_dialog ( void ) ;
int multi_delete_extra_objects ( void ) ;
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void multi_make_ghost_player ( playernum_t ) ;
void multi_make_player_ghost ( playernum_t ) ;
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void multi_reset_player_object ( vobjptridx_t objp ) ;
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void multi_define_macro ( int key ) ;
void multi_send_macro ( int key ) ;
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int multi_get_kill_list ( playernum_array_t & sorted_kills ) ;
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void multi_new_game ( void ) ;
void multi_sort_kill_list ( void ) ;
void multi_reset_stuff ( void ) ;
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int get_team ( playernum_t pnum ) ;
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int multi_maybe_disable_friendly_fire ( cobjptridx_t killer ) ;
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void multi_initiate_save_game ( ) ;
void multi_initiate_restore_game ( ) ;
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void multi_disconnect_player ( playernum_t ) ;
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void multi_object_to_object_rw ( vobjptr_t obj , object_rw * obj_rw ) ;
void multi_object_rw_to_object ( object_rw * obj_rw , vobjptr_t obj ) ;
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# if defined(DXX_BUILD_DESCENT_I)
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static inline void multi_send_got_flag ( playernum_t a ) { ( void ) a ; }
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# elif defined(DXX_BUILD_DESCENT_II)
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void multi_send_got_flag ( playernum_t ) ;
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# endif
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// Exported variables
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extern int Network_status ;
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extern array < grs_bitmap , 2 > Orb_icons ;
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// IMPORTANT: These variables needed for player rejoining done by protocol-specific code
extern int Network_send_objects ;
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extern int Network_send_object_mode ;
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extern int Network_send_objnum ;
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extern int Network_rejoined ;
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extern int Network_sending_extras ;
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extern int VerifyPlayerJoined ;
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extern int Player_joining_extras ;
extern int Network_player_added ;
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extern array < array < short , MAX_PLAYERS > , MAX_PLAYERS > kill_matrix ;
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extern array < uint16_t , 2 > team_kills ;
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extern int multi_goto_secret ;
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extern ushort my_segments_checksum ;
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//do we draw the kill list on the HUD?
extern int Show_kill_list ;
extern int Show_reticle_name ;
extern fix Show_kill_list_timer ;
// Used to send network messages
extern char Network_message [ MAX_MESSAGE_LEN ] ;
extern int Network_message_reciever ;
// Which player 'owns' each local object for network purposes
extern sbyte object_owner [ MAX_OBJECTS ] ;
extern int multi_quit_game ;
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extern msgsend_state_t multi_sending_message [ MAX_PLAYERS ] ;
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extern int multi_defining_message ;
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window_event_result multi_message_input_sub ( int key ) ;
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extern void multi_send_message_start ( ) ;
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void multi_send_msgsend_state ( msgsend_state_t state ) ;
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extern int multi_powerup_is_4pack ( int ) ;
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extern int PhallicLimit , PhallicMan ;
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extern int Bounty_target ;
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extern bitmap_index multi_player_textures [ MAX_PLAYERS ] [ N_PLAYER_SHIP_TEXTURES ] ;
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extern const char RankStrings [ 10 ] [ 14 ] ;
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// Globals for protocol-bound Refuse-functions
extern char RefuseThisPlayer , WaitForRefuseAnswer , RefuseTeam , RefusePlayerName [ 12 ] ;
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extern fix64 RefuseTimeLimit ;
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# define REFUSE_INTERVAL (F1_0*8)
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struct bit_game_flags {
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unsigned closed : 1 ;
unsigned : 1 ;
unsigned show_on_map : 1 ;
/*
* These # define are written to . NGP files and to the network .
* Changing them breaks ABI compatibility .
* The bit flags need not match in value , and are converted below in
* pack_game_flags / unpack_game_flags .
*/
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# define NETGAME_FLAG_CLOSED 1
# define NETGAME_FLAG_SHOW_MAP 4
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# if defined(DXX_BUILD_DESCENT_II)
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unsigned hoard : 1 ;
unsigned team_hoard : 1 ;
unsigned endlevel : 1 ;
unsigned forming : 1 ;
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# define NETGAME_FLAG_HOARD 8
# define NETGAME_FLAG_TEAM_HOARD 16
# define NETGAME_FLAG_REALLY_ENDLEVEL 32
# define NETGAME_FLAG_REALLY_FORMING 64
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# endif
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} __pack__ ;
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struct packed_game_flags
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{
unsigned char value ;
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} ;
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static inline bit_game_flags unpack_game_flags ( const packed_game_flags * p )
{
bit_game_flags flags ;
flags . closed = ! ! ( p - > value & NETGAME_FLAG_CLOSED ) ;
flags . show_on_map = ! ! ( p - > value & NETGAME_FLAG_SHOW_MAP ) ;
# if defined(DXX_BUILD_DESCENT_II)
flags . hoard = ! ! ( p - > value & NETGAME_FLAG_HOARD ) ;
flags . team_hoard = ! ! ( p - > value & NETGAME_FLAG_TEAM_HOARD ) ;
flags . endlevel = ! ! ( p - > value & NETGAME_FLAG_REALLY_ENDLEVEL ) ;
flags . forming = ! ! ( p - > value & NETGAME_FLAG_REALLY_FORMING ) ;
# endif
return flags ;
}
static inline packed_game_flags pack_game_flags ( const bit_game_flags * flags )
{
packed_game_flags p ;
p . value =
( flags - > closed ? NETGAME_FLAG_CLOSED : 0 ) |
( flags - > show_on_map ? NETGAME_FLAG_SHOW_MAP : 0 ) |
# if defined(DXX_BUILD_DESCENT_II)
( flags - > hoard ? NETGAME_FLAG_HOARD : 0 ) |
( flags - > team_hoard ? NETGAME_FLAG_TEAM_HOARD : 0 ) |
( flags - > endlevel ? NETGAME_FLAG_REALLY_ENDLEVEL : 0 ) |
( flags - > forming ? NETGAME_FLAG_REALLY_FORMING : 0 ) |
# endif
0 ;
return p ;
}
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# define NETGAME_NAME_LEN 15
extern struct netgame_info Netgame ;
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int multi_i_am_master ( void ) ;
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playernum_t multi_who_is_master ( ) ;
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void change_playernum_to ( int new_pnum ) ;
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// Multiplayer powerup capping
extern void multi_powcap_count_powerups_in_mine ( void ) ;
extern void multi_powcap_cap_objects ( ) ;
extern void multi_do_powcap_update ( ) ;
extern void multi_send_powcap_update ( ) ;
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extern void multi_send_kill_goal_counts ( ) ;
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void multi_check_for_killgoal_winner ( ) ;
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# if defined(DXX_BUILD_DESCENT_II)
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extern void multi_send_stolen_items ( ) ;
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void multi_send_trigger_specific ( playernum_t pnum , char trig ) ;
void multi_send_door_open_specific ( playernum_t pnum , segnum_t segnum , int side , ubyte flag ) ;
void multi_send_wall_status_specific ( playernum_t pnum , int wallnum , ubyte type , ubyte flags , ubyte state ) ;
void multi_send_light_specific ( playernum_t pnum , segnum_t segnum , ubyte val ) ;
void multi_send_capture_bonus ( playernum_t pnum ) ;
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int multi_all_players_alive ( ) ;
void multi_send_seismic ( fix64 , fix64 ) ;
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void multi_send_drop_blobs ( playernum_t ) ;
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void multi_send_sound_function ( char , char ) ;
void DropFlag ( ) ;
int multi_powerup_is_allowed ( int ) ;
void multi_send_finish_game ( ) ;
void init_hoard_data ( ) ;
void multi_apply_goal_textures ( ) ;
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int HoardEquipped ( ) ;
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# ifdef EDITOR
void save_hoard_data ( void ) ;
# endif
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# endif
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//how to encode missiles & flares in weapon packets
# define MISSILE_ADJUST 100
# define FLARE_ADJUST 127
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/*
* The Network Players structure
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* Contains protocol - specific data with designated prefixes and general player - related data .
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* Note that not all of these infos will be sent to other users - some are used and / or set locally , only .
*/
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struct netplayer_info : prohibit_void_ptr < netplayer_info >
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{
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# if defined(USE_UDP)
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union
{
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# ifdef USE_UDP
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struct
{
struct _sockaddr addr ; // IP address of this peer
} udp ;
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# endif
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} protocol ;
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# endif
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callsign_t callsign ;
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sbyte connected ;
ubyte rank ;
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fix ping ;
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fix64 LastPacketTime ;
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} ;
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/*
* The Network Game structure
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* Contains protocol - specific data with designated prefixes and general game - related data .
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* Note that not all of these infos will be sent to clients - some are used and / or set locally , only .
*/
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struct netgame_info : prohibit_void_ptr < netgame_info > , ignore_window_pointer_t
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{
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# if defined(USE_UDP)
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union
{
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# ifdef USE_UDP
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struct
{
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struct _sockaddr addr ; // IP address of this netgame's host
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short program_iver [ 4 ] ; // IVER of program for version checking
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sbyte valid ; // Status of Netgame info: -1 = Failed, Wrong version; 0 = No info, yet; 1 = Success
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uint8_t your_index ; // Tell player his designated (re)join position in players[]
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fix GameID ;
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} udp ;
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# endif
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} protocol ;
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# endif
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array < netplayer_info , MAX_PLAYERS > players ;
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char game_name [ NETGAME_NAME_LEN + 1 ] ;
char mission_title [ MISSION_NAME_LEN + 1 ] ;
char mission_name [ 9 ] ;
int levelnum ;
ubyte gamemode ;
ubyte RefusePlayers ;
ubyte difficulty ;
ubyte game_status ;
ubyte numplayers ;
ubyte max_numplayers ;
ubyte numconnected ;
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bit_game_flags game_flag ;
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ubyte team_vector ;
u_int32_t AllowedItems ;
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# if defined(DXX_BUILD_DESCENT_II)
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/*
* Only used in Descent II , but defined in both for historical
* reasons
*/
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short Allow_marker_view ;
short AlwaysLighting ;
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/* End Descent II */
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# endif
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short ShowEnemyNames ;
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short BrightPlayers ;
short InvulAppear ;
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ushort segments_checksum ;
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int KillGoal ;
fix PlayTimeAllowed ;
fix level_time ;
int control_invul_time ;
int monitor_vector ;
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short PacketsPerSec ;
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ubyte PacketLossPrevention ;
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ubyte NoFriendlyFire ;
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array < callsign_t , 2 > team_name ;
array < uint32_t , MAX_PLAYERS > locations ;
array < array < uint16_t , MAX_PLAYERS > , MAX_PLAYERS > kills ;
array < uint16_t , 2 > team_kills ;
array < uint16_t , MAX_PLAYERS > killed ;
array < uint16_t , MAX_PLAYERS > player_kills ;
array < uint32_t , MAX_PLAYERS > player_score ;
array < uint8_t , MAX_PLAYERS > player_flags ;
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# ifdef USE_TRACKER
ubyte Tracker ;
# endif
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} ;
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# endif
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# endif /* _MULTI_H */