protocol.h

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/*
Copyright (C) 1996-1997 Id Software, Inc.
 
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.
 
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
*/
// protocol.h -- communications protocols
 
#include "bothdefs.h"
 
#define PEXT_SETVIEW                    0x00000001
 
#define PEXT_SCALE                              0x00000002
#define PEXT_LIGHTSTYLECOL              0x00000004
#define PEXT_TRANS                              0x00000008
#define PEXT_VIEW2_                             0x00000010
//#define PEXT_BULLETENS                        0x00000020 //obsolete
#define PEXT_ACCURATETIMINGS    0x00000040
#define PEXT_SOUNDDBL                   0x00000080      //revised startsound protocol
#define PEXT_FATNESS                    0x00000100      //GL only (or servers)
#define PEXT_HLBSP                              0x00000200
#define PEXT_TE_BULLET                  0x00000400
#define PEXT_HULLSIZE                   0x00000800
#define PEXT_MODELDBL                   0x00001000
#define PEXT_ENTITYDBL                  0x00002000      //max of 1024 ents instead of 512
#define PEXT_ENTITYDBL2                 0x00004000      //max of 1024 ents instead of 512
#define PEXT_FLOATCOORDS                0x00008000      //supports floating point origins.
//#define PEXT_VWEAP                            0x00010000      //cause an extra qbyte to be sent, and an extra list of models for vweaps.
#define PEXT_Q2BSP_                             0x00020000
#define PEXT_Q3BSP_                             0x00040000
 
#define PEXT_COLOURMOD                  0x00080000      //this replaces an older value which would rarly have caried any actual data.
 
#define PEXT_SPLITSCREEN                0x00100000
#define PEXT_HEXEN2                             0x00200000      //more stats and working particle builtin.
#define PEXT_SPAWNSTATIC2               0x00400000      //Sends an entity delta instead of a baseline.
#define PEXT_CUSTOMTEMPEFFECTS  0x00800000      //supports custom temp ents.
#define PEXT_256PACKETENTITIES  0x01000000      //Client can recieve 256 packet entities.
//#define PEXT_NEVERUSED                0x02000000      //reserved for a future multicastmask
#define PEXT_SHOWPIC                    0x04000000
#define PEXT_SETATTACHMENT              0x08000000      //md3 tags (needs networking, they need to lerp).
//#define PEXT_NEVERUSED                0x10000000      //reserved for a future multicastmask
#define PEXT_CHUNKEDDOWNLOADS   0x20000000      //alternate file download method. Hopefully it'll give quadroupled download speed, especially on higher pings.
#define PEXT_CSQC                               0x40000000      //csqc additions
#define PEXT_DPFLAGS                    0x80000000      //extra flags for viewmodel/externalmodel and possible other persistant style flags.
#define PEXT_SERVERADVERTISE    ~0u
#define PEXT_CLIENTSUPPORT              (PEXT_SETVIEW|PEXT_SCALE|PEXT_LIGHTSTYLECOL|PEXT_TRANS|PEXT_VIEW2_|PEXT_ACCURATETIMINGS|PEXT_SOUNDDBL|PEXT_FATNESS|PEXT_HLBSP|PEXT_TE_BULLET|PEXT_HULLSIZE|PEXT_MODELDBL|PEXT_ENTITYDBL|PEXT_ENTITYDBL2|PEXT_FLOATCOORDS|PEXT_Q2BSP_|PEXT_Q3BSP_|PEXT_COLOURMOD|PEXT_SPLITSCREEN|PEXT_HEXEN2|PEXT_SPAWNSTATIC2|PEXT_CUSTOMTEMPEFFECTS|PEXT_256PACKETENTITIES|PEXT_SHOWPIC|PEXT_SETATTACHMENT|PEXT_CHUNKEDDOWNLOADS|PEXT_CSQC|PEXT_DPFLAGS)
 
#ifdef CSQC_DAT
        #define PEXT_BIGUSERINFOS       PEXT_CSQC       //FIXME: while useful for csqc, we should include something else that isn't so often stripped, or is available in ezquake, or something.
#else
        #define PEXT_BIGUSERINFOS       0xffffffff
#endif
#ifdef SIDEVIEWS
        #define PEXT_VIEW2                      PEXT_VIEW2_
#endif
#ifdef Q2BSPS
        #define PEXT_Q2BSP                      PEXT_Q2BSP_
#endif
#ifdef Q3BSPS
        #define PEXT_Q3BSP                      PEXT_Q3BSP_
#endif
#define PEXT1_HIDEPROTOCOLS             (PEXT_Q3BSP_|PEXT_Q2BSP_|PEXT_HLBSP)    //These are hints for the server, and not useful to the client (they can figure stuff out themselves)
 
#define PEXT2_PRYDONCURSOR                      0x00000001
#define PEXT2_VOICECHAT                         0x00000002
#define PEXT2_SETANGLEDELTA                     0x00000004
#define PEXT2_REPLACEMENTDELTAS         0x00000008      //weaponframe was part of the entity state. that flag is now the player's v_angle.
#define PEXT2_MAXPLAYERS                        0x00000010      //Client is able to cope with more players than 32. abs max becomes 255, due to colormap issues.
#define PEXT2_PREDINFO                          0x00000020      //movevar stats, NQ input sequences+acks.
#define PEXT2_NEWSIZEENCODING           0x00000040      //richer size encoding.
#define PEXT2_INFOBLOBS                         0x00000080      //serverinfo+userinfo lengths can be MUCH higher (protocol is unbounded, but expect low sanity limits on userinfo), and contain nulls etc.
#define PEXT2_STUNAWARE                         0x00000100      //changes the netchan to biased-bigendian (so lead two bits are 1 and not stun's 0, so we don't get confused)
#define PEXT2_VRINPUTS                          0x00000200      //clc_move changes, more buttons etc. vr stuff!
#define PEXT2_LERPTIME                          0x00000400      //fitz-bloat parity. redefines UF_16BIT as UF_LERPEND in favour of length coding.
#define PEXT2_SERVERADVERTISE           ~0u
#define PEXT2_CLIENTSUPPORT                     (PEXT2_PRYDONCURSOR|PEXT2_VOICECHAT|PEXT2_SETANGLEDELTA|PEXT2_REPLACEMENTDELTAS|PEXT2_MAXPLAYERS|PEXT2_PREDINFO|PEXT2_NEWSIZEENCODING|PEXT2_INFOBLOBS|PEXT2_STUNAWARE|PEXT2_VRINPUTS|PEXT2_LERPTIME) //warn if we see bits not listed here.
 
//EzQuake/Mvdsv extensions. (use ezquake name, to avoid confusion about .mvd format and its protocol differences)
#define EZPEXT1_FLOATENTCOORDS          0x00000001      //quirky - doesn't apply to broadcasts, just players+ents. this gives more precision, but will bug out if you try using it to increase map bounds in ways that may not be immediately apparent. iiuc this was added instead of fixing some inconsistent rounding...
#define EZPEXT1_SETANGLEREASON          0x00000002      //specifies the reason for an svc_setangles call. the mvdsv implementation will fuck over any mods that writebyte them. we'd need to modify our preparse stuff to work around the issue.
#define EZPEXT1_SERVERADVERTISE         EZPEXT1_FLOATENTCOORDS/* - implemented, but interactions with replacementdeltas is not defined*/ /*EZPEXT1_SETANGLEREASON - potentially causes compat issues with mods that stuffcmd it (common in nq)*/
#define EZPEXT1_CLIENTADVERTISE         EZPEXT1_FLOATENTCOORDS                  //might as well ask for it, as a way around mvdsv's writecoord/PM_NudgePosition rounding difference bug.
#define EZPEXT1_CLIENTSUPPORT           (EZPEXT1_FLOATENTCOORDS|EZPEXT1_SETANGLEREASON) //ones we can support in demos. warning if other bits.
 
//ZQuake transparent protocol extensions.
#define Z_EXT_PM_TYPE           (1<<0)  // basic PM_TYPE functionality (reliable jump_held)
#define Z_EXT_PM_TYPE_NEW       (1<<1)  // adds PM_FLY, PM_SPECTATOR
#define Z_EXT_VIEWHEIGHT        (1<<2)  // STAT_VIEWHEIGHT
#define Z_EXT_SERVERTIME        (1<<3)  // STAT_TIME
#define Z_EXT_PITCHLIMITS       (1<<4)  // serverinfo maxpitch & minpitch
#define Z_EXT_JOIN_OBSERVE      (1<<5)  // server: "join" and "observe" commands are supported
                                                                        // client: on-the-fly spectator <-> player switching supported
 
#define Z_EXT_PF_ONGROUND       (1<<6)  // server: PF_ONGROUND is valid for all svc_playerinfo
#define Z_EXT_VWEP                      (1<<7)
#define Z_EXT_PF_SOLID          (1<<8)  //conflicts with many FTE extensions.
 
#ifdef QUAKESTATS
#define SERVER_SUPPORTED_Z_EXTENSIONS (Z_EXT_PM_TYPE|Z_EXT_PM_TYPE_NEW|Z_EXT_VIEWHEIGHT|Z_EXT_SERVERTIME|Z_EXT_PITCHLIMITS|Z_EXT_JOIN_OBSERVE|Z_EXT_PF_ONGROUND|Z_EXT_VWEP|Z_EXT_PF_SOLID)
#else
#define SERVER_SUPPORTED_Z_EXTENSIONS (Z_EXT_PM_TYPE|Z_EXT_PM_TYPE_NEW|Z_EXT_PITCHLIMITS|Z_EXT_JOIN_OBSERVE|Z_EXT_PF_ONGROUND|Z_EXT_VWEP|Z_EXT_PF_SOLID)
#endif
#define BUGGY_EZQUAKE_Z_EXTENSIONS    (Z_EXT_PF_ONGROUND|Z_EXT_PF_SOLID) //ezquake bugs out on these when ANY fteextension is present. hack the serverinfo to hide these.
#define CLIENT_SUPPORTED_Z_EXTENSIONS (SERVER_SUPPORTED_Z_EXTENSIONS|Z_EXT_PF_ONGROUND|Z_EXT_PF_SOLID)
 
 
#define PROTOCOL_VERSION_VARLENGTH              (('v'<<0) + ('l'<<8) + ('e'<<16) + ('n' << 24)) //variable length handshake
 
#define PROTOCOL_VERSION_FTE1                   (('F'<<0) + ('T'<<8) + ('E'<<16) + ('X' << 24)) //fte extensions.
#define PROTOCOL_VERSION_FTE2                   (('F'<<0) + ('T'<<8) + ('E'<<16) + ('2' << 24)) //fte extensions.
#define PROTOCOL_VERSION_EZQUAKE1               (('M'<<0) + ('V'<<8) + ('D'<<16) + ('1' << 24)) //ezquake/mvdsv extensions
#define PROTOCOL_VERSION_HUFFMAN                (('H'<<0) + ('U'<<8) + ('F'<<16) + ('F' << 24)) //packet compression
#define PROTOCOL_VERSION_FRAGMENT               (('F'<<0) + ('R'<<8) + ('A'<<16) + ('G' << 24)) //supports fragmentation/packets larger than 1450
#ifdef HAVE_DTLS
#define PROTOCOL_VERSION_DTLSUPGRADE    (('D'<<0) + ('T'<<8) + ('L'<<16) + ('S' << 24)) //server supports dtls. clients should dtlsconnect THEN continue connecting (also allows dtls rcon!).
#endif
 
#define PROTOCOL_INFO_GUID                              (('G'<<0) + ('U'<<8) + ('I'<<16) + ('D' << 24)) //globally 'unique' client id info.
 
#define PROTOCOL_VERSION_QW                             28
 
#define PROTOCOL_VERSION_Q2_DEMO_MIN    26      //we can parse this server
#define PROTOCOL_VERSION_Q2_MIN                 31      //we can join these outdated servers
#define PROTOCOL_VERSION_Q2                             34      //we host this
#define PROTOCOL_VERSION_R1Q2                   35
#define PROTOCOL_VERSION_Q2PRO                  36
 
#define PROTOCOL_VERSION_Q2_DEMO_MAX    PROTOCOL_VERSION_Q2PRO
 
//=========================================
 
//#define       GAME_DEFAULTPORT        XXXXX   //rebranding allows selection of a different default port, which slightly reduces protocol conflicts.
#define PORT_NQSERVER   26000
#define PORT_DPMASTER   PORT_Q3MASTER
#define PORT_QWCLIENT   27001
#define PORT_QWMASTER   27000
#define PORT_QWSERVER   27500
#define PORT_H2SERVER   26900
#define PORT_Q2MASTER   27900
#define PORT_Q2CLIENT   27901
#define PORT_Q2SERVER   27910
#define PORT_Q3MASTER   27950
#define PORT_Q3SERVER   27960
#define PORT_ICEBROKER  PORT_DPMASTER
 
#ifdef GAME_DEFAULTPORT
        #define PORT_DEFAULTSERVER      GAME_DEFAULTPORT
#else
        #define PORT_DEFAULTSERVER      PORT_QWSERVER
#endif
 
//=========================================
 
// out of band message id bytes
 
// M = master, S = server, C = client, A = any
// the second character will always be \n if the message isn't a single
// qbyte long (?? not true anymore?)
 
#define S2C_CHALLENGE           'c'
#define S2C_CONNECTION          'j'
#define A2A_PING                        'k'     // respond with an A2A_ACK
#define A2A_ACK                         'l'     // general acknowledgement without info
#define A2A_NACK                        'm'     // [+ comment] general failure
#define A2A_ECHO                        'e' // for echoing
#define A2C_PRINT                       'n'     // print a message on client
 
#define S2M_HEARTBEAT           'a'     // + serverinfo + userlist + fraglist
#define A2C_CLIENT_COMMAND      'B'     // + command line
#define S2M_SHUTDOWN            'C'
 
#define C2M_MASTER_REQUEST  'c'
#define M2C_MASTER_REPLY        'd'     // + \n + qw server port list
//==================
// note that there are some defs.qc that mirror to these numbers
// also related to svc_strings[] in cl_parse
//==================
 
//
// server to client
//
#define svc_bad                                         0
#define svc_nop                                         1
#define svc_disconnect                          2
#define svcqw_updatestatbyte            3       // [qbyte] [qbyte]
#define svcnq_updatestatlong            3       // [qbyte] [long]
#define svc_version                                     4       // [long] server version
#define svc_setview                                     5       // [short] entity number
#define svc_sound                                       6       // <see code>
#define svc_time                                        7       // [float] server time
#define svc_print                                       8       // [qbyte] id [string] null terminated string
#define svc_stufftext                           9       // [string] stuffed into client's console buffer
                                                                                // the string should be \n terminated
#define svc_setangle                            10      // [angle3] set the view angle to this absolute value
 
#define svc_serverdata                          11      // [long] protocol ...
#define svc_lightstyle                          12      // [qbyte] [string]
#define svc_updatename                          13      // [qbyte] [string]
#define svc_updatefrags                         14      // [qbyte] [short]
#define svcnq_clientdata                        15      // <shortbits + data>
#define svc_stopsound                           16      // <see code>
#define svc_updatecolors                        17      // [qbyte] [qbyte] [qbyte]
#define svc_particle                            18      // [vec3] <variable>
#define svc_damage                                      19
 
#define svc_spawnstatic                         20
#define svcfte_spawnstatic2                     21
#define svc_spawnbaseline                       22
 
#define svc_temp_entity                         23      // variable
#define svc_setpause                            24      // [qbyte] on / off
#define svcnq_signonnum                         25      // [qbyte]  used for the signon sequence
#define svcfte_splitscreenconfig        25      // [qbyte] seats, player[seat]. spectator flags passed via userinfo.
 
#define svc_centerprint                         26      // [string] to put in center of the screen
 
#define svc_killedmonster                       27
#define svc_foundsecret                         28
 
#define svc_spawnstaticsound            29      // [coord3] [qbyte] samp [qbyte] vol [qbyte] aten
 
#define svc_intermission                        30              // [vec3_t] origin [vec3_t] angle
#define svc_finale                                      31              // [string] text
 
#define svc_cdtrack                                     32              // [qbyte] track
#define svc_sellscreen                          33
 
#define svc_cutscene                            34      //hmm... nq only... added after qw tree splitt?
 
 
 
//QW svcs
#define svc_smallkick                           34              // set client punchangle to 2
#define svc_bigkick                                     35              // set client punchangle to 4
 
#define svc_updateping                          36              // [qbyte] [short]
#define svc_updateentertime                     37              // [qbyte] [float]
 
#define svcqw_updatestatlong            38              // [qbyte] [long]
 
#define svc_muzzleflash                         39              // [short] entity
 
#define svc_updateuserinfo                      40              // [qbyte] slot [long] uid [string] userinfo
 
#define svc_download                            41              // [short] size [size bytes]
#define svc_playerinfo                          42              // variable
#define svc_nails                                       43              // [qbyte] num [48 bits] xyzpy 12 12 12 4 8
#define svc_chokecount                          44              // [qbyte] packets choked
#define svc_modellist                           45              // [strings]
#define svc_soundlist                           46              // [strings]
#define svc_packetentities                      47              // [...]
#define svc_deltapacketentities         48              // [...]
#define svc_maxspeed                            49              // maxspeed change, for prediction
#define svc_entgravity                          50              // gravity change, for prediction
#define svc_setinfo                                     51              // setinfo on a client
#define svc_serverinfo                          52              // serverinfo
#define svc_updatepl                            53              // [qbyte] [qbyte]
 
//mvdsv extended svcs (for mvd playback)
#define svc_nails2                                      54              //qwe - [qbyte] num [52 bits] nxyzpy 8 12 12 12 4 8
 
//FTE extended svcs
#ifdef PEXT_SOUNDDBL
#define svcfte_soundextended            55
#define svcfte_soundlistshort           56
#endif
#ifdef PEXT_LIGHTSTYLECOL
#define svcfte_lightstylecol            57
#endif
 
//#define svcfte_svcremoved                     58
 
//#define       svcfte_svcremoved               59
 
#ifdef PEXT_MODELDBL
#define svcfte_modellistshort           60              // [strings]
#endif
 
//#define svc_ftesetclientpersist       61      //ushort DATA
 
#define svc_setportalstate                      62
 
#define svcfte_particle2                        63
#define svcfte_particle3                        64
#define svcfte_particle4                        65
#define svcfte_spawnbaseline2           66
 
#define svcfte_customtempent            67
 
#define svcfte_choosesplitclient        68
#define svcfte_showpic                          69
#define svcfte_hidepic                          70
#define svcfte_movepic                          71
#define svcfte_updatepic                        72
 
//73
 
#define svcfte_effect                           74              // [vector] org [byte] modelindex [byte] startframe [byte] framecount [byte] framerate
#define svcfte_effect2                          75              // [vector] org [short] modelindex [short] startframe [byte] framecount [byte] framerate
 
#define svcfte_csqcentities                     76      //entity lump for csqc
 
#define svcfte_precache                         77
 
#define svcfte_updatestatstring         78
#define svcfte_updatestatfloat          79
 
#define svcfte_trailparticles           80              // [short] entnum [short] effectnum [vector] start [vector] end
#define svcfte_pointparticles           81              // [short] effectnum [vector] start [vector] velocity [short] count
#define svcfte_pointparticles1          82              // [short] effectnum [vector] start, same as svc_pointparticles except velocity is zero and count is 1
 
#define svcfte_cgamepacket                      83
#define svcfte_voicechat                        84
#define svcfte_setangledelta            85      // [angle3] add this to the current viewangles
#define svcfte_updateentities           86
#define svcfte_brushedit                        87      // networked brush editing, paired with clcfte_brushedit.
#define svcfte_updateseats                      88      // byte count, byte playernum[count]
#define svcfte_setinfoblob                      89      // [8] 1-based index [string] key [32] isfinal<<31|offset [16] chunksize [chunksize] data
#define svcfte_cgamepacket_sized        90      //svcfte_cgamepacket with an extra short size right after the svc.
#define svcfte_temp_entity_sized        91      //svc_temp_entity with an extra short size right after the svc (high bit means nq, unset means qw).
#define svcfte_csqcentities_sized       92      //entity lump for csqc (with size info)
#define svcfte_setanglebase                     93      //updates the base angle (and optionally locks the view, otherwise nudging it without race conditions.)
#define svcfte_spawnstaticsound2        94      //*sigh*
 
//fitz svcs
#define svcfitz_skybox                          37
#define svcfitz_bf                                      40
#define svcfitz_fog                                     41
#define svcfitz_spawnbaseline2          42
#define svcfitz_spawnstatic2            43
#define svcfitz_spawnstaticsound2       44
 
//nehahra svcs
#define svcneh_skyboxsize                       50  // [coord] size (default is 4096)
#define svcneh_fog                                      51      // [byte] enable <optional past this point, only included if enable is true> [float] density [byte] red [byte] green [byte] blue
 
//QuakeEx(aka: rerelease) svcs.
//      these are not really documented anywhere. we're trying to stick with protocol 15 (because that's the only documented protocol it supports properly thanks to demos)
//      however we still need some special case svcs
//  (there's also some problematic c2s differences too)
#define svcqex_updateping                       46      // [byte] slot, [signed_qe] ping
#define svcqex_updatesocial                     47      // [byte] slot, 8 bytes of unknown
#define svcqex_updateplinfo                     48      // [byte] slot, [leb128] health, [leb128] armour
#define svcqex_locprint                         49      // uses qe's localised string formatting, otherwise treat as svc_print.
#define svcqex_servervars                       50      // [leb128] changedvalues, [???] value...
#define svcqex_seq                                      51      // [leb128] input sequence ack
#define svcqex_achievement                      52      // [string] codename
#define svcqex_chat                                     53
#define svcqex_levelcompleted           54
#define svcqex_backtolobby                      55
#define svcqex_localsound                       56
#define svcqex_prompt                           57
#define svcqex_loccenterprint           58      // [string] codename
 
//DP extended svcs
#define svcdp_downloaddata                      50
#define svcdp_updatestatbyte            51
#define svcnq_effect                            52              // [vector] org [byte] modelindex [byte] startframe [byte] framecount [byte] framerate
#define svcnq_effect2                           53              // [vector] org [short] modelindex [short] startframe [byte] framecount [byte] framerate
#define svcdp_precache                          54              // [short] precacheindex [string] filename, precacheindex is + 0 for modelindex and +32768 for soundindex
#define svcdp_spawnbaseline2            55
#define svcdp_spawnstatic2                      56
#define svcdp_entities                          57
#define svcdp_csqcentities                      58
#define svcdp_spawnstaticsound2         59      // [coord3] [short] samp [byte] vol [byte] aten
#define svcdp_trailparticles            60              // [short] entnum [short] effectnum [vector] start [vector] end
#define svcdp_pointparticles            61              // [short] effectnum [vector] start [vector] velocity [short] count
#define svcdp_pointparticles1           62              // [short] effectnum [vector] start, same as svc_pointparticles except velocity is zero and count is 1
 
 
 
#define svc_invalid                     256
 
 
enum clustercmdops_e
{
        ccmd_bad = 0,                   //abort!
        ccmd_stuffcmd,          //regular ol stuffcmd
                        //string concommand
        ccmd_setcvar,           //master->server to order a cvar change.
        ccmd_print,
                        //string message
        ccmd_acceptserver,
                        //serverid
        ccmd_lostplayer,        //player dropped/timed out
                        //long plid
        ccmd_foundplayer,       //server->master, saying that a player tried to connect directly (and we need their info)
                        //string name
                        //string clientaddress
                        //string guid
        ccmd_takeplayer,        //master->server, saying to allocate a slot for a player.
                        //long plid
                        //long fromsvid (0=no reply needed)
                        //byte statcount
                        //float stats[statcount]
        ccmd_transferplayer,    //server->master, asking to move them to a new server.
                        //long plid
                        //string map
                        //byte ipv4=0, ipv6=1
                        //byte statcount
                        //float stats[statcount]
        ccmd_transferedplayer,  //master->server, saying the transfer was completed. original server no longer owns the player.
                        //long toserver,
                        //long playerid
        ccmd_tookplayer,        //server->master->server, saying that a player was taken.
                        //long svid (this is always the *other* server)
                        //long plid
                        //string addr (this is the client's address when sent to the master, and the server's address that took the message in the message to the source server)
        ccmd_transferabort,     //server->master->server, saying that a player was rejected.
                        //long plid
                        //long fromsvid
                        //string server
        ccmd_saveplayer,        //server->master, saves a player's stats.
                        //long plid
                        //byte statcount
                        //float stats[statcount]
        ccmd_serveraddress,     //server->master, contains a few net addresses
                        //string addresses[]
                        //byte 0
        ccmd_stringcmd,
                        //string dest (black = broadcast to all)
                        //string source (player name)
                        //string cmd (type of event, handled by receiving server/forwarded to client)
                        //string msg (extra info, like the typed text)
};
 
 
enum svcq2_ops_e
{
        svcq2_bad,      //0
 
        // these ops are known to the game dll
        svcq2_muzzleflash,      //1
        svcq2_muzzleflash2,     //2
        svcq2_temp_entity,      //3
        svcq2_layout,           //4
        svcq2_inventory,        //5
 
        // the rest are private to the client and server
        svcq2_nop,                      //6
        svcq2_disconnect,       //7
        svcq2_reconnect,        //8
        svcq2_sound,            //9                     // <see code>
        svcq2_print,            //10                    // [qbyte] id [string] null terminated string
        svcq2_stufftext,        //11                    // [string] stuffed into client's console buffer, should be \n terminated
        svcq2_serverdata,       //12                    // [long] protocol ...
        svcq2_configstring,     //13            // [short] [string]
        svcq2_spawnbaseline,//14
        svcq2_centerprint,      //15            // [string] to put in center of the screen
        svcq2_download,         //16            // [short] size [size bytes]
        svcq2_playerinfo,       //17                    // variable
        svcq2_packetentities,//18                       // [...]
        svcq2_deltapacketentities,//19  // [...]
        svcq2_frame,                    //20 (the bastard to implement.)
 
 
        svcr1q2_zpacket = 21,
        svcr1q2_zdownload = 22,
        svcr1q2_playerupdate = 23,
        svcr1q2_setting = 24,
        svcq2pro_gamestate = 23,
        svcq2pro_setting = 24,
};
 
enum clcq2_ops_e
{
        clcq2_bad = 0,
        clcq2_nop = 1,
        clcq2_move = 2,                 // [[usercmd_t]
        clcq2_userinfo = 3,             // [[userinfo string]
        clcq2_stringcmd = 4,    // [string] message
 
        clcr1q2_setting = 5,    // [setting][value] R1Q2 settings support.
        clcr1q2_multimoves = 6, // for crappy clients that can't lerp
 
        //fte-extended
        clcq2_stringcmd_seat = 30,
#ifdef VOICECHAT
        clcq2_voicechat = 31
#endif
};
 
enum {
        R1Q2_CLSET_NOGUN                        = 0,
        R1Q2_CLSET_NOBLEND                      = 1,
        R1Q2_CLSET_RECORDING            = 2,
        R1Q2_CLSET_PLAYERUPDATES        = 3,
        R1Q2_CLSET_FPS                          = 4
};
enum {
        R1Q2_SVSET_PLAYERUPDATES        = 0,
        R1Q2_SVSET_FPS                          = 1
};
 
//==============================================
 
//
// client to server
//
#define clc_bad                         0
#define clc_nop                         1
#define clc_disconnect          2       //nq only
#define clc_move                        3       // [[usercmd_t]
#define clc_stringcmd           4       // [string] message
#define clc_delta                       5       // [qbyte] sequence number, requests delta compression of message
#define clc_tmove                       6       // teleport request, spectator only
#define clc_upload                      7       // 
 
#define clcdp_ackframe                  50
#define clcdp_ackdownloaddata   51
 
#define clcfte_qcrequest                81
#define clcfte_prydoncursor             82
#define clcfte_voicechat                83
#define clcfte_brushedit                84
#define clcfte_move                             85      //part of PEXT2_VRINPUTS. replaces clc_move+clcfte_prydoncursor+clcdp_ackframe
#define clcfte_stringcmd_seat   86
 
#define VRM_LOSS        (1u<<0) //for server packetloss reports
#define VRM_DELAY       (1u<<1) //for server to compute lag properly.
#define VRM_SEATS       (1u<<2) //for splitscreen to work properly
#define VRM_FRAMES      (1u<<3) //number of input frames in this packet.
#define VRM_ACKS        (1u<<4) //number of sequence acks included in message.
 
//==============================================
 
#define DLERR_FILENOTFOUND      -1      //server cannot serve the file
#define DLERR_PERMISSIONS       -2      //server refuses to serve the file
#define DLERR_UNKNOWN           -3      //server bugged out while trying to serve the request
#define DLERR_REDIRECTFILE      -4      //client should download the specified file instead.
#define DLERR_REDIRECTPACK      -5      //client should download the specified package instead.
#define DLERR_PACKAGE           -6      //not networked. packages require special file access.
 
#define DLBLOCKSIZE                     1024 //chunked downloads use fixed-size chunks (which I somewhat regret, but too late now I guess, really ought to use ranges.).
 
//these flags are sent as part of the svc_precache index, for any-time precaches. using the upper two bits means we still have 16k available models/sounds/etc
#define PC_TYPE                 0xc000
#define PC_MODEL                0x0000
#define PC_SOUND                0x8000
#define PC_PARTICLE             0x4000
#define PC_UNUSED               0xc000
 
#define GAME_COOP               0
#define GAME_DEATHMATCH 1
 
 
// playerinfo flags from server
// playerinfo always sends: playernum, flags, origin[] and framenumber
 
#define PF_MSEC                 (1<<0)  //msecs says how long the player command was sitting on the server before it was sent back to the client
#define PF_COMMAND              (1<<1)  //angles and movement values for other players (no msec or impulse)
#define PF_VELOCITY1    (1<<2)
#define PF_VELOCITY2    (1<<3)
#define PF_VELOCITY3    (1<<4)
#define PF_MODEL                (1<<5)
#define PF_SKINNUM              (1<<6)
#define PF_EFFECTS              (1<<7)
#define PF_WEAPONFRAME  (1<<8)          // only sent for view player
#define PF_DEAD                 (1<<9)          // don't block movement any more
#define PF_GIB                  (1<<10)         // offset the view height differently
 
//ZQuake.
#define PF_PMC_SHIFT    11
#define PF_PMC_MASK             ((1<<11) | \
                                                 (1<<12) | \
                                                 (1<<13))
#ifdef PEXT_HULLSIZE
#define PF_HULLSIZE_Z   (1<<14)
#endif
#define PF_EXTRA_PFS    (1<<15)
 
#ifdef PEXT_SCALE
#define PF_SCALE                (1<<16)
#endif
#ifdef PEXT_TRANS
#define PF_TRANS                (1<<17)
#endif
#ifdef PEXT_FATNESS
#define PF_FATNESS              (1<<18)
#endif
 
#define PF_COLOURMOD    (1<<19)
//#define       PF_UNUSED       (1<<20) //remember to faff with zext
//#define       PF_UNUSED       (1<<21) //remember to faff with zext
//note that if you add any more, you may need to change the check in the client so more can be parsed
#define PF_ONGROUND             (1<<22) //or 14, depending on extensions... messy.
#define PF_SOLID                (1<<23) //or 15, depending on extensions... messy.
 
 
//not networked
#define PF_INWATER              (1u<<31) //for network smartjump.
 
 
 
// player move types
#define PMC_NORMAL                      0               // normal ground movement
#define PMC_NORMAL_JUMP_HELD    1       // normal ground novement + jump_held
#define PMC_OLD_SPECTATOR       2               // fly through walls (QW compatibility mode)
#define PMC_SPECTATOR           3               // fly through walls
#define PMC_FLY                         4               // fly, bump into walls
#define PMC_NONE                        5               // can't move (client had better lerp the origin...)
#define PMC_FREEZE                      6               // TODO: lerp movement and viewangles
#define PMC_WALLWALK            7               // future extension
 
//any more will require a different protocol message.
 
//==============================================
 
// if the high bit of the client to server qbyte is set, the low bits are
// client move cmd bits
// ms and angle2 are always sent, the others are optional
#define CM_ANGLE1       (1<<0)
#define CM_ANGLE3       (1<<1)
#define CM_FORWARD      (1<<2)
#define CM_SIDE         (1<<3)
#define CM_UP           (1<<4)
#define CM_BUTTONS      (1<<5)
#define CM_IMPULSE      (1<<6)
#define CM_ANGLE2       (1<<7)
 
//sigh...
#define Q2CM_ANGLE1     (1<<0)
#define Q2CM_ANGLE2     (1<<1)
#define Q2CM_ANGLE3     (1<<2)
#define Q2CM_FORWARD    (1<<3)
#define Q2CM_SIDE               (1<<4)
#define Q2CM_UP                 (1<<5)
#define Q2CM_BUTTONS    (1<<6)
#define Q2CM_IMPULSE    (1<<7)
 
#define R1Q2_BUTTON_BYTE_FORWARD  4
#define R1Q2_BUTTON_BYTE_SIDE     8
#define R1Q2_BUTTON_BYTE_UP       16
#define R1Q2_BUTTON_BYTE_ANGLE1   32
#define R1Q2_BUTTON_BYTE_ANGLE2   64
 
//==============================================
 
// the first 16 bits of a packetentities update holds 9 bits
// of entity number and 7 bits of flags
#define U_UNUSABLE      (1<<8)
#define U_ORIGIN1       (1<<9)
#define U_ORIGIN2       (1<<10)
#define U_ORIGIN3       (1<<11)
#define U_ANGLE2        (1<<12)
#define U_FRAME         (1<<13)
#define U_REMOVE        (1<<14)         // REMOVE this entity, don't add it
#define U_MOREBITS      (1<<15)
 
// if MOREBITS is set, these additional flags are read in next
#define U_ANGLE1        (1<<0)
#define U_ANGLE3        (1<<1)
#define U_MODEL         (1<<2)
#define U_COLORMAP      (1<<3)
#define U_SKIN          (1<<4)
#define U_EFFECTS       (1<<5)
#define U_SOLID         (1<<6)          // the entity should be solid for prediction
#ifdef PROTOCOLEXTENSIONS
#define U_EVENMORE      (1<<7)  //extension info follows
 
//fte extensions
//EVENMORE flags
#ifdef PEXT_SCALE
#define U_SCALE         (1<<0)  //scaler of alias models
#endif
#ifdef PEXT_TRANS
#define U_TRANS         (1<<1)  //transparency value
#endif
#ifdef PEXT_FATNESS
#define U_FATNESS       (1<<2)  //qbyte describing how fat an alias model should be. (moves verticies along normals). Useful for vacuum chambers...
#endif
#ifdef PEXT_MODELDBL
#define U_MODELDBL      (1<<3)  //extra bit for modelindexes
#endif
#define U_UNUSED1       (1<<4)
//FIXME: IMPLEMENT
#ifdef PEXT_ENTITYDBL
#define U_ENTITYDBL     (1<<5)  //use an extra qbyte for origin parts, cos one of them is off
#endif
#ifdef PEXT_ENTITYDBL2
#define U_ENTITYDBL2 (1<<6)     //use an extra qbyte for origin parts, cos one of them is off
#endif
#define U_YETMORE       (1<<7)  //even more extension info stuff.
 
#define U_DRAWFLAGS     (1<<8)  //use an extra qbyte for origin parts, cos one of them is off
#define U_ABSLIGHT      (1<<9)  //Force a lightlevel
 
#define U_COLOURMOD     (1<<10) //rgb
 
#define U_DPFLAGS (1<<11)
 
 
#define U_TAGINFO (1<<12)
#define U_LIGHT (1<<13)
#define U_EFFECTS16     (1<<14)
 
#define U_FARMORE (1<<15)
 
#endif
 
//FTE Replacement Deltas
//first byte contains the stuff that's most likely to change constantly
#define UF_FRAME                (1u<<0)
#define UF_ORIGINXY             (1u<<1)
#define UF_ORIGINZ              (1u<<2)
#define UF_ANGLESXZ             (1u<<3)
#define UF_ANGLESY              (1u<<4)
#define UF_EFFECTS              (1u<<5)
#define UF_PREDINFO             (1u<<6) /*ent is predicted, probably a player*/
#define UF_EXTEND1              (1u<<7)
 
/*stuff which is common on ent spawning*/
#define UF_RESET                (1u<<8) /*client will reset entire strict to its baseline*/
#define UF_16BIT_LERPTIME       (1u<<9) /*either included frame/skin/model is 16bit (not part of the deltaing itself), or there's nextthink info*/
#define UF_MODEL                (1u<<10)
#define UF_SKIN                 (1u<<11)
#define UF_COLORMAP             (1u<<12)
#define UF_SOLID                (1u<<13)
#define UF_FLAGS                (1u<<14)
#define UF_EXTEND2              (1u<<15)
 
/*the rest is optional extensions*/
#define UF_ALPHA                (1u<<16)
#define UF_SCALE                (1u<<17)
#define UF_BONEDATA             (1u<<18)
#define UF_DRAWFLAGS    (1u<<19)
#define UF_TAGINFO              (1u<<20)
#define UF_LIGHT                (1u<<21)
#define UF_TRAILEFFECT  (1u<<22)
#define UF_EXTEND3              (1u<<23)
 
#define UF_COLORMOD             (1u<<24)
#define UF_GLOW                 (1u<<25)
#define UF_FATNESS              (1u<<26)
#define UF_MODELINDEX2  (1u<<27)
#define UF_GRAVITYDIR   (1u<<28)
#define UF_EFFECTS2_OLD (1u<<29) /*specified >8bit effects, replaced with variable length*/
#define UF_UNUSED1              (1u<<30)
#define UF_EXTEND4              (1u<<31)
 
/*these flags are generally not deltaed as they're changing constantly*/
#define UFP_FORWARD             (1u<<0)
#define UFP_SIDE                (1u<<1)
#define UFP_UP                  (1u<<2)
#define UFP_MOVETYPE    (1u<<3) /*deltaed*/
#define UFP_VELOCITYXY  (1u<<4)
#define UFP_VELOCITYZ   (1u<<5)
#define UFP_MSEC                (1u<<6)
#define UFP_WEAPONFRAME_OLD     (1u<<7) //no longer used. just a stat now that I rewrote stat deltas.
#define UFP_VIEWANGLE   (1u<<7)
 
#define UF_SV_REMOVE   UF_16BIT_LERPTIME        /*special flag  - lerptime isn't delta tracked serverside (reset sent as required with other fields)*/
 
 
 
#ifdef NQPROT
//NQ svc_clientdata stat updates.
#define SU_VIEWHEIGHT   (1<<0)
#define SU_IDEALPITCH   (1<<1)
#define SU_PUNCH1               (1<<2)
#define SU_PUNCH2               (1<<3)
#define SU_PUNCH3               (1<<4)
#define SU_VELOCITY1    (1<<5)
#define SU_VELOCITY2    (1<<6)
#define SU_VELOCITY3    (1<<7)
//define        SU_AIMENT               (1<<8)  AVAILABLE BIT
#define SU_ITEMS                (1<<9)
#define SU_ONGROUND             (1<<10)         // no data follows, the bit is it
#define SU_INWATER              (1<<11)         // no data follows, the bit is it
#define SU_WEAPONFRAME  (1<<12)
#define SU_ARMOR                (1<<13)
#define SU_WEAPONMODEL  (1<<14)
#define SU_EXTEND1              (1<<15)
 
#define FITZSU_WEAPONMODEL2     (1<<16) // 1 byte, this is .weaponmodel & 0xFF00 (second byte)
#define FITZSU_ARMOR2           (1<<17) // 1 byte, this is .armorvalue & 0xFF00 (second byte)
#define FITZSU_AMMO2            (1<<18) // 1 byte, this is .currentammo & 0xFF00 (second byte)
#define FITZSU_SHELLS2          (1<<19) // 1 byte, this is .ammo_shells & 0xFF00 (second byte)
#define FITZSU_NAILS2           (1<<20) // 1 byte, this is .ammo_nails & 0xFF00 (second byte)
#define FITZSU_ROCKETS2         (1<<21) // 1 byte, this is .ammo_rockets & 0xFF00 (second byte)
#define FITZSU_CELLS2           (1<<22) // 1 byte, this is .ammo_cells & 0xFF00 (second byte)
#define SU_EXTEND2              (1<<23) // another byte to follow
 
#define FITZSU_WEAPONFRAME2     (1<<24) // 1 byte, this is .weaponframe & 0xFF00 (second byte)
#define FITZSU_WEAPONALPHA      (1<<25) // 1 byte, this is alpha for weaponmodel, uses ENTALPHA_ENCODE, not sent if ENTALPHA_DEFAULT
#define FITZSU_UNUSED26         (1<<26)
#define FITZSU_UNUSED27         (1<<27)
#define FITZSU_UNUSED28         (1<<28)
#define FITZSU_UNUSED29         (1<<29)
#define FITZSU_UNUSED30         (1<<30)
#define SU_EXTEND3              (1<<31) // another byte to follow, future expansion
 
//builds on top of fitz
#define QEX_SU_FLOATCOORDS      (1<<8)
#define QEX_SU_ENTFLAGS         (1<<26) // ULEB128 copy of the player's .flags field
 
// first extend byte
#define DPSU_PUNCHVEC1          (1<<16)
#define DPSU_PUNCHVEC2          (1<<17)
#define DPSU_PUNCHVEC3          (1<<18)
#define DPSU_VIEWZOOM           (1<<19) // byte factor (0 = 0.0 (not valid), 255 = 1.0)
#define DPSU_UNUSED20           (1<<20)
#define DPSU_UNUSED21           (1<<21)
#define DPSU_UNUSED22           (1<<22)
// second extend byte
#define DPSU_UNUSED24           (1<<24)
#define DPSU_UNUSED25           (1<<25)
#define DPSU_UNUSED26           (1<<26)
#define DPSU_UNUSED27           (1<<27)
#define DPSU_UNUSED28           (1<<28)
#define DPSU_UNUSED29           (1<<29)
#define DPSU_UNUSED30           (1<<30)
 
 
 
//NQ fast updates
#define NQU_MOREBITS    (1<<0)
#define NQU_ORIGIN1     (1<<1)
#define NQU_ORIGIN2     (1<<2)
#define NQU_ORIGIN3     (1<<3)
#define NQU_ANGLE2      (1<<4)
#define NQU_NOLERP      (1<<5)          // don't interpolate movement
#define NQU_FRAME               (1<<6)
#define NQU_SIGNAL      (1<<7)          // just differentiates from other updates
 
// svc_update can pass all of the fast update bits, plus more
#define NQU_ANGLE1      (1<<8)
#define NQU_ANGLE3      (1<<9)
#define NQU_MODEL               (1<<10)
#define NQU_COLORMAP    (1<<11)
#define NQU_SKIN                (1<<12)
#define NQU_EFFECTS     (1<<13)
#define NQU_LONGENTITY  (1<<14)
 
 
// LordHavoc's: protocol extension
#define DPU_EXTEND1             (1<<15)
// LordHavoc: first extend byte
#define DPU_DELTA                       (1<<16) // no data, while this is set the entity is delta compressed (uses previous frame as a baseline, meaning only things that have changed from the previous frame are sent, except for the forced full update every half second)
#define DPU_ALPHA                       (1<<17) // 1 byte, 0.0-1.0 maps to 0-255, not sent if exactly 1, and the entity is not sent if <=0 unless it has effects (model effects are checked as well)
#define DPU_SCALE                       (1<<18) // 1 byte, scale / 16 positive, not sent if 1.0
#define DPU_EFFECTS2            (1<<19) // 1 byte, this is .effects & 0xFF00 (second byte)
#define DPU_GLOWSIZE            (1<<20) // 1 byte, encoding is float/4.0, unsigned, not sent if 0
#define DPU_GLOWCOLOR           (1<<21) // 1 byte, palette index, default is 254 (white), this IS used for darklight (allowing colored darklight), however the particles from a darklight are always black, not sent if default value (even if glowsize or glowtrail is set)
// LordHavoc: colormod feature has been removed, because no one used it
#define DPU_COLORMOD            (1<<22) // 1 byte, 3 bit red, 3 bit green, 2 bit blue, this lets you tint an object artifically, so you could make a red rocket, or a blue fiend...
#define DPU_EXTEND2             (1<<23) // another byte to follow
// LordHavoc: second extend byte
#define DPU_GLOWTRAIL           (1<<24) // leaves a trail of particles (of color .glowcolor, or black if it is a negative glowsize)
#define DPU_VIEWMODEL           (1<<25) // attachs the model to the view (origin and angles become relative to it), only shown to owner, a more powerful alternative to .weaponmodel and such
#define DPU_FRAME2              (1<<26) // 1 byte, this is .frame & 0xFF00 (second byte)
#define DPU_MODEL2              (1<<27) // 1 byte, this is .modelindex & 0xFF00 (second byte)
#define DPU_EXTERIORMODEL       (1<<28) // causes this model to not be drawn when using a first person view (third person will draw it, first person will not)
#define DPU_UNUSED29            (1<<29) // future expansion
#define DPU_UNUSED30            (1<<30) // future expansion
#define DPU_EXTEND3             (1<<31) // another byte to follow, future expansion
 
#define FITZU_ALPHA                     (1<<16)
#define FITZU_FRAME2            (1<<17)
#define FITZU_MODEL2            (1<<18)
#define FITZU_LERPFINISH        (1<<19)
#define RMQU_SCALE                      (1<<20)
 
#define QE_U_FLOATCOORDS        (1<<21) //set on the local player entity, to boost precision for prediction.
#define QE_U_SOLIDTYPE          (1<<22) //for prediction I suppose.
//#define QE_U_EXTEND           (1<<23)
#define QE_U_ENTFLAGS           (1<<24) //not sure why this needs to be networked, oh well. redundant with clientdata
#define QE_U_HEALTH                     (1<<25) //not sure why this needs to be networked, oh well.
#define QE_U_UNKNOWN26          (1<<26) //seems to be some sort of nodraw flag (presumably for solid bmodels that need a modelindex for collisions).
#define QE_U_UNUSED27           (1<<27)
#define QE_U_UNUSED28           (1<<28)
#define QE_U_UNUSED29           (1<<29)
#define QE_U_UNUSED30           (1<<30)
#define QE_U_UNUSED31           (1u<<31)
 
#endif
 
 
 
#define Q2U_ORIGIN1     (1<<0)
#define Q2U_ORIGIN2     (1<<1)
#define Q2U_ANGLE2      (1<<2)
#define Q2U_ANGLE3      (1<<3)
#define Q2U_FRAME8      (1<<4)          // frame is a qbyte
#define Q2U_EVENT               (1<<5)
#define Q2U_REMOVE      (1<<6)          // REMOVE this entity, don't add it
#define Q2U_MOREBITS1   (1<<7)          // read one additional qbyte
 
// second qbyte
#define Q2U_NUMBER16    (1<<8)          // NUMBER8 is implicit if not set
#define Q2U_ORIGIN3     (1<<9)
#define Q2U_ANGLE1      (1<<10)
#define Q2U_MODEL               (1<<11)
#define Q2U_RENDERFX8   (1<<12)         // fullbright, etc
#define Q2UX_ANGLE16    (1<<13)
#define Q2U_EFFECTS8    (1<<14)         // autorotate, trails, etc
#define Q2U_MOREBITS2   (1<<15)         // read one additional qbyte
 
// third qbyte
#define Q2U_SKIN8               (1<<16)
#define Q2U_FRAME16     (1<<17)         // frame is a short
#define Q2U_RENDERFX16 (1<<18)  // 8 + 16 = 32
#define Q2U_EFFECTS16   (1<<19)         // 8 + 16 = 32
#define Q2U_MODEL2      (1<<20)         // weapons, flags, etc
#define Q2U_MODEL3      (1<<21)
#define Q2U_MODEL4      (1<<22)
#define Q2U_MOREBITS3   (1<<23)         // read one additional qbyte
 
// fourth qbyte
#define Q2U_OLDORIGIN   (1<<24)         // FIXME: get rid of this
#define Q2U_SKIN16      (1<<25)
#define Q2U_SOUND               (1<<26)
#define Q2U_SOLID               (1<<27)
#define Q2UX_INDEX16    (1<<28)         //model or sound is 16bit
#define Q2UX_UNUSED3    (1<<29)
#define Q2UX_UNUSED2    (1<<30)
#define Q2UX_UNUSED1    (1<<31)
 
#define Q2UX_UNUSED             (Q2UX_UNUSED1|Q2UX_UNUSED2|Q2UX_UNUSED3|Q2UX_UNUSED4)
 
//QuakeEx-specific stuff
//gamevar info
#define QEX_GV_DEATHMATCH               (1<<0)
#define QEX_GV_IDEALPITCHSCALE  (1<<1)
#define QEX_GV_FRICTION                 (1<<2)
#define QEX_GV_EDGEFRICTION             (1<<3)
#define QEX_GV_STOPSPEED                (1<<4)
#define QEX_GV_MAXVELOCITY              (1<<5)
#define QEX_GV_GRAVITY                  (1<<6)
#define QEX_GV_NOSTEP                   (1<<7)
#define QEX_GV_MAXSPEED                 (1<<8)
#define QEX_GV_ACCELERATE               (1<<9)
#define QEX_GV_CONTROLLERONLY   (1<<10)
#define QEX_GV_TIMELIMIT                (1<<11)
#define QEX_GV_FRAGLIMIT                (1<<12)
#define QEX_GV_TEAMPLAY                 (1<<13)
#define QEX_GV_ALL                              ((1<<14)-1)
 
//==============================================
//obsolete demo players info
#define DF_ORIGINX              (1u<<0)
#define DF_ORIGINY              (1u<<1)
#define DF_ORIGINZ              (1u<<2)
#define DF_ORIGINALL    (DF_ORIGINX|DF_ORIGINY|DF_ORIGINZ)
#define DF_ANGLEX               (1u<<3)
#define DF_ANGLEY               (1u<<4)
#define DF_ANGLEZ               (1u<<5)
#define DF_ANGLESALL    (DF_ANGLEX|DF_ANGLEY|DF_ANGLEZ)
#define DF_EFFECTS              (1u<<6)
#define DF_SKINNUM              (1u<<7)
#define DF_DEAD                 (1u<<8)
#define DF_GIB                  (1u<<9)
#define DF_WEAPONFRAME  (1u<<10)
#define DF_MODEL                (1u<<11)
#define DF_RESET (DF_ORIGINALL|DF_ANGLESALL|DF_EFFECTS|DF_SKINNUM|DF_WEAPONFRAME|DF_MODEL)
 
//==============================================
 
// a sound with no channel is a local only sound
// the sound field has bits 0-2: channel, 3-12: entity, 13: unused, 14-15: flags
#define QWSND_VOLUME            (1<<15)         // a qbyte
#define QWSND_ATTENUATION       (1<<14)         // a qbyte
 
#define NQSND_VOLUME            (1<<0)          // a qbyte
#define NQSND_ATTENUATION       (1<<1)          // a qbyte
//#define DPSND_LOOPING         (1<<2)          // a long, supposedly
#define FTESND_MOREFLAGS        (1<<2)          // actually, chan flags, mostly.
#define NQSND_LARGEENTITY       (1<<3)          //both dp+fitz
#define NQSND_LARGESOUND        (1<<4)          //both dp+fitz
#define DPSND_SPEEDUSHORT4000   (1<<5)          // ushort speed*4000 (speed is usually 1.0, a value of 0.0 is the same as 1.0)
#define FTESND_TIMEOFS          (1<<6)          //signed short, in milliseconds.
#define FTESND_PITCHADJ         (1<<7)                  //a byte (speed percent (0=100%))
//more flags are weird.
#define FTESND_VELOCITY         (CF_NET_SENTVELOCITY<<8)        //borrowed.
//FTESND_NOSPACIALISE           (CF_NOSPACIALISE<<8)
//FTESND_NOREVERB                       (CF_NOREVERB<<8)
//FTESND_FORCELOOP                      (CF_FORCELOOP<<8)
//FTESND_FOLLOW                         (CF_FOLLOW<<8)
//FTESND_RESERVED                       (CF_RESERVEDN<<8)
 
#define DEFAULT_SOUND_PACKET_VOLUME 255
#define DEFAULT_SOUND_PACKET_ATTENUATION 1.0
 
//baseline flags
#define FITZ_B_LARGEMODEL       (1<<0)
#define FITZ_B_LARGEFRAME       (1<<1)
#define FITZ_B_ALPHA            (1<<2)
#define RMQFITZ_B_SCALE         (1<<3)
 
#define QEX_B_SOLID                     (1<<3)
#define QEX_B_UNKNOWN4          (1<<4)
#define QEX_B_UNKNOWN5          (1<<5)
#define QEX_B_UNKNOWN6          (1<<6)
#define QEX_B_UNKNOWN7          (1<<7)
 
#define DEFAULT_VIEWHEIGHT      22
 
 
// svc_print messages have an id, so messages can be filtered
#define PRINT_LOW                       0
#define PRINT_MEDIUM            1
#define PRINT_HIGH                      2
#define PRINT_CHAT                      3       // also go to chat buffer
 
//
// temp entity events
//
enum {
        TE_SPIKE                                = 0,
        TE_SUPERSPIKE                   = 1,
        TEQW_QWGUNSHOT                  = 2,    //qw has count byte, nq does not
        TENQ_NQGUNSHOT                  = 2,    //nq has no count byte
        TEQW_QWEXPLOSION                = 3,    //remapped to TEQW_EXPLOSIONNOSPRITE for nq.
        TENQ_NQEXPLOSION                = 3,    //remapped to TEQW_EXPLOSIONNOSPRITE for nq.
        TE_TAREXPLOSION                 = 4,
        TE_LIGHTNING1                   = 5,
        TE_LIGHTNING2                   = 6,
        TE_WIZSPIKE                             = 7,
        TE_KNIGHTSPIKE                  = 8,
        TE_LIGHTNING3                   = 9,
        TE_LAVASPLASH                   = 10,
        TE_TELEPORT                             = 11,
 
        TEQW_QWBLOOD                    = 12,   //implemented as a particle() in nq
        TENQ_EXPLOSION2                 = 12,   //remapped to TEQW_EXPLOSION2 for qw
        TEQW_LIGHTNINGBLOOD             = 13,   //implemented as a particle() in nq
        TENQ_BEAM                               = 13,   //remapped to TEQW_BEAM for qw
 
#ifdef PEXT_TE_BULLET
        TE_BULLET                               = 14,
        TEQW_SUPERBULLET                = 15,
#endif
        TENQ_RAILTRAIL                  = 15,   //gah   [vector] origin [coord] red [coord] green [coord] blue
        TE_EXPLOSION3_NEH               = 16,   //gah   [vector] origin [coord] red [coord] green [coord] blue
        TEQW_RAILTRAIL                  = 17,   //use the builtin, luke.
        TENQ_NEHLIGHTNING4              = 17,   //gah   [string] model [entity] entity [vector] start [vector] end
        TEQW_NEHLIGHTNING4              = 1000, //give a real value if its ever properly implemented
        TEQW_BEAM                               = 18,   //use the builtin, luke.
        TENQ_NEHSMOKE                   = 18,   //gah   [vector] origin [byte] palette
        TEQW_EXPLOSION2                 = 19,   //use the builtin, luke.
        TEQW_NQEXPLOSION                = 20,   //nq-style explosion over qw
        TENQ_QWEXPLOSION                = 20,   //qw-style explosion over nq
        TEQW_NQGUNSHOT                  = 21,   //nq has count byte, qw does not
        TENQ_QWGUNSHOT                  = 21,   //nq has count byte, qw does not
 
        // hexen 2
        TEH2_STREAM_LIGHTNING_SMALL     = 24,
        TEH2_STREAM_CHAIN                       = 25,
        TEH2_STREAM_SUNSTAFF1           = 26,
        TEH2_STREAM_SUNSTAFF2           = 27,
        TEH2_STREAM_LIGHTNING           = 28,
        TEH2_STREAM_COLORBEAM           = 29,
        TEH2_STREAM_ICECHUNKS           = 30,
        TEH2_STREAM_GAZE                        = 31,
        TEH2_STREAM_FAMINE              = 32,
        TEH2_PARTICLEEXPLOSION = 33,
 
        TEDP_BLOOD                      = 50, // [coord*3] origin [byte*3] vel [byte] count
        TEDP_SPARK                      = 51,
        TEDP_BLOODSHOWER        = 52,
        TEDP_EXPLOSIONRGB       = 53,
        TEDP_PARTICLECUBE       = 54,
        TEDP_PARTICLERAIN       = 55, // [vector] min [vector] max [vector] dir [short] count [byte] color
        TEDP_PARTICLESNOW       = 56, // [vector] min [vector] max [vector] dir [short] count [byte] color
        TEDP_GUNSHOTQUAD        = 57, // [vector] origin
        TEDP_SPIKEQUAD          = 58, // [vector] origin
        TEDP_SUPERSPIKEQUAD     = 59, // [vector] origin
        TEDP_EXPLOSIONQUAD      = 70, // [vector] origin
        TEDP_SMALLFLASH         = 72, // [vector] origin
        TEDP_CUSTOMFLASH        = 73,
        TEDP_FLAMEJET           = 74,
        TEDP_PLASMABURN         = 75,
        TEDP_TEI_G3                     = 76,
        TEDP_SMOKE                      = 77,
        TEDP_TEI_BIGEXPLOSION = 78,
        TEDP_TEI_PLASMAHIT      = 79,
};
 
 
#define CTE_CUSTOMCOUNT         1
#define CTE_CUSTOMDIRECTION     2
#define CTE_STAINS                      4
#define CTE_GLOWS                       8
#define CTE_CHANNELFADE         16
#define CTE_CUSTOMVELOCITY      32
#define CTE_PERSISTANT          64
#define CTE_ISBEAM                      128
//CTE_ISBEAM && (CTE_CUSTOMVELOCITY||CTE_CUSTOMDIRECTION) = BOX particles.
 
//FTE's version of TEI_SHOWLMP2. tei's values and coding scheme which makes no sense to anyone but him.
#define SL_ORG_NW       0
#define SL_ORG_NE       1
#define SL_ORG_SW       2
#define SL_ORG_SE       3
#define SL_ORG_CC       4
#define SL_ORG_CN       5
#define SL_ORG_CS       6
#define SL_ORG_CW       7
#define SL_ORG_CE       8
 
//relative coding where offsets are predictable
#define SL_ORG_TL       20
#define SL_ORG_TR       21
#define SL_ORG_BL       22
#define SL_ORG_BR       23
#define SL_ORG_MM       24
#define SL_ORG_TM       25
#define SL_ORG_BM       26
#define SL_ORG_ML       27
#define SL_ORG_MR       28
 
/*
==========================================================
 
  ELEMENTS COMMUNICATED ACROSS THE NET
 
==========================================================
*/
 
#define MAX_CLIENTS             255     /*max 255, min 32*/
#define QWMAX_CLIENTS   32 /*QW's standard max. clients might have issues above this value*/
#define NQMAX_CLIENTS   16 /*NQ's standard max. clients might have issues above this value*/
 
#define UPDATE_BACKUP   64      // copies of entity_state_t to keep buffered
                                                        // must be power of two
#define UPDATE_MASK             (UPDATE_BACKUP-1)
 
#define Q2UPDATE_BACKUP 16      // copies of entity_state_t to keep buffered
                                                        // must be power of two
#define Q2UPDATE_MASK           (Q2UPDATE_BACKUP-1)
 
#define Q3UPDATE_BACKUP 32      // copies of entity_state_t to keep buffered
                                                        // must be power of two
#define Q3UPDATE_MASK           (Q3UPDATE_BACKUP-1)
 
 
// entity_state_t is the information conveyed from the server
// in an update message
 
typedef struct entity_state_s
{
        unsigned int            number;                 // edict index
        unsigned int            sequence;
 
        unsigned short          modelindex;
        qbyte                           inactiveflag;
        qbyte                           bonecount;              //for networked bones
        unsigned int            boneoffset;             //offset into the frame (not a pointer, to avoid issues with reallocing extra storage)
 
//      unsigned int            eflags;                 // nolerp, etc
 
        unsigned int            effects;
 
        vec3_t  origin;
        vec3_t  angles;
        union
        {
#if defined(Q2CLIENT) || defined(Q2SERVER)
                struct
                {
                        int             renderfx;               //q2
                        vec3_t  old_origin;             //q2/q3
 
                        unsigned short          modelindex3;    //q2
                        unsigned short          modelindex4;    //q2
                        unsigned short          sound;                  //q2
                        qbyte                           event;                  //q2
                } q2;
#endif
                struct
                {
                        /*info to predict other players, so I don't get yelled at if fte were to stop supporting it*/
                        qbyte pmovetype;        //&128 means onground.
                        qbyte msec;
                        short vangle[3];
 
                        short movement[3];
                        short velocity[3]; // 1/8th
 
                        unsigned short weaponframe;
                        unsigned char gravitydir[2];    //pitch/yaw, no roll
 
                        unsigned short traileffectnum;
                        unsigned short emiteffectnum;
 
                        vec3_t predorg;
                } q1;
        } u;
 
        unsigned short          modelindex2;    //q2/vweps
        unsigned short          frame;
 
        unsigned short          baseframe;
        qbyte                           basebone;
        qbyte                           pad;
 
        unsigned int            skinnum; /*for q2 this often contains rgba*/
 
        unsigned short          colormap;
        qbyte glowsize;
        qbyte glowcolour;
 
        qbyte   scale;  //4.4 precision
        char    fatness;
        qbyte   hexen2flags;
        qbyte   abslight;
 
        qbyte   dpflags;
        qbyte   colormod[3];//3.5 precision
 
        qbyte   glowmod[3];     //3.5 precision
        qbyte   trans;  //254==1, 255==1-or-wateralpha
 
        unsigned short light[4];
 
        float lerpend;  //fitz rubbish
 
        qbyte lightstyle;
        qbyte lightpflags;
        unsigned short tagindex;        //~0 == weird portal thing.
 
        unsigned int tagentity;
 
        unsigned int solidsize;
#define ES_SOLID_NOT 0
#define ES_SOLID_BSP 31
#define ES_SOLID_HULL1 0x80201810
#define ES_SOLID_HULL2 0x80401820
#define ES_SOLID_HAS_EXTRA_BITS(solid) ((solid&0x0707) || (((solid>>16)-32768+32) & 7))
} entity_state_t;
extern entity_state_t nullentitystate;
 
 
#define MAX_EXTENDED_PACKET_ENTITIES    256     //sanity limit.
#define MAX_STANDARD_PACKET_ENTITIES    64      // doesn't count nails
#define MAX_MVDPACKET_ENTITIES  196     // doesn't count nails
typedef struct
{
        float                   servertime;
        int                             num_entities;
        int                             max_entities;
        entity_state_t  *entities;
        int                             fixangles[MAX_SPLITS];  //these should not be in here
        vec3_t                  fixedangles[MAX_SPLITS];
        vec3_t                  punchangle[MAX_SPLITS];
        vec3_t                  punchorigin[MAX_SPLITS];
 
        qbyte                   *bonedata;
        size_t                  bonedatacur;
        size_t                  bonedatamax;
} packet_entities_t;
 
struct vrdevinfo_s
{
        unsigned int    status;
#define VRSTATUS_ORG    (1u<<0)
#define VRSTATUS_ANG    (1u<<1)
#define VRSTATUS_VEL    (1u<<2)
#define VRSTATUS_AVEL   (1u<<3)
        short                   angles[3];
        short                   avelocity[3];
        vec3_t                  origin;
        vec3_t                  velocity;
        unsigned int    weapon;
#define VRDEV_LEFT      0
#define VRDEV_RIGHT     1
#define VRDEV_HEAD      2
#define VRDEV_COUNT     3
};
typedef struct usercmd_s
{
        short   angles[3];
        signed int              forwardmove,sidemove,upmove;
        unsigned int    impulse;
        unsigned int    lightlevel;
 
        unsigned int    sequence;       // just for debugging prints
        float   msec;           //replace msec, but with more precision
        unsigned int buttons;   //replaces buttons, but with more bits.
        unsigned int weapon;//q3 has a separate weapon field to supplement impulse.
        unsigned int servertime;        //q3 networks the time in order to calculate msecs
        double  fservertime;//used as part of nq msec calcs
        double  fclienttime;//not used?
 
        //prydon cursor crap
        vec2_t  cursor_screen;
        vec3_t  cursor_start;
        vec3_t  cursor_impact;
        unsigned int    cursor_entitynumber;
 
        //vr things
        struct vrdevinfo_s vr[VRDEV_COUNT];     //left, right, head.
} usercmd_t;
 
typedef struct q2usercmd_s
{       //visible to gamecode so can't be changed (and the prediction code)
        qbyte   msec;
        qbyte   buttons;
        short   angles[3];
        short   forwardmove, sidemove, upmove;
        qbyte   impulse;
        qbyte   lightlevel;
} q2usercmd_t;
 
typedef struct q1usercmd_s
{       //as written to qwd demos so can't be changed.
        qbyte   msec;
        vec3_t  angles;
        short   forwardmove, sidemove, upmove;
        qbyte   buttons;
        qbyte   impulse;
} q1usercmd_t;
#define SHORT2ANGLE(x) (x) * (360.0/65536)
#define ANGLE2SHORT(x) (x) * (65536/360.0)
 
 
 
 
//
// per-level limits
//
#define Q2MAX_CLIENTS                   256             // absolute limit
#define Q2MAX_EDICTS                    1024    // must change protocol to increase more
#define Q2MAX_LIGHTSTYLES               256
#define Q2MAX_MODELS                    256             // these are sent over the net as bytes
#define Q2MAX_SOUNDS                    256             // so they cannot be blindly increased
#define Q2MAX_IMAGES                    256
#define Q2MAX_ITEMS                             256
#define Q2MAX_GENERAL                   (Q2MAX_CLIENTS*2)       // general config strings
 
 
#define Q2CS_NAME                               0
#define Q2CS_CDTRACK                    1
#define Q2CS_SKY                                2
#define Q2CS_SKYAXIS                    3               // %f %f %f format
#define Q2CS_SKYROTATE                  4
#define Q2CS_STATUSBAR                  5               // display program string
 
#define Q2CS_AIRACCEL                   29              // air acceleration control
#define Q2CS_MAXCLIENTS                 30
#define Q2CS_MAPCHECKSUM                31              // for catching cheater maps
 
#define Q2CS_MODELS                             32
#define Q2CS_SOUNDS                             (Q2CS_MODELS    +Q2MAX_MODELS)
#define Q2CS_IMAGES                             (Q2CS_SOUNDS    +Q2MAX_SOUNDS)
#define Q2CS_LIGHTS                             (Q2CS_IMAGES    +Q2MAX_IMAGES)
#define Q2CS_ITEMS                              (Q2CS_LIGHTS    +Q2MAX_LIGHTSTYLES)
#define Q2CS_PLAYERSKINS                (Q2CS_ITEMS             +Q2MAX_ITEMS)
#define Q2CS_GENERAL                    (Q2CS_PLAYERSKINS       +Q2MAX_CLIENTS)
#define Q2MAX_CONFIGSTRINGS             (Q2CS_GENERAL   +Q2MAX_GENERAL)
 
 
// player_state->stats[] indexes
#define Q2STAT_HEALTH_ICON              0
#define Q2STAT_HEALTH                           1
#define Q2STAT_AMMO_ICON                        2
#define Q2STAT_AMMO                             3
#define Q2STAT_ARMOR_ICON                       4
#define Q2STAT_ARMOR                            5
#define Q2STAT_SELECTED_ICON            6
#define Q2STAT_PICKUP_ICON              7
#define Q2STAT_PICKUP_STRING            8
#define Q2STAT_TIMER_ICON                       9
#define Q2STAT_TIMER                            10
#define Q2STAT_HELPICON                 11
#define Q2STAT_SELECTED_ITEM            12
#define Q2STAT_LAYOUTS                  13
#define Q2STAT_FRAGS                            14
#define Q2STAT_FLASHES                  15              // cleared each frame, 1 = health, 2 = armor
#define Q2STAT_CHASE                            16
#define Q2STAT_SPECTATOR                        17
 
#define Q2MAX_STATS                             32
 
 
//for the local player
#define Q2PS_M_TYPE                             (1<<0)
#define Q2PS_M_ORIGIN                   (1<<1)
#define Q2PS_M_VELOCITY                 (1<<2)
#define Q2PS_M_TIME                             (1<<3)
#define Q2PS_M_FLAGS                    (1<<4)
#define Q2PS_M_GRAVITY                  (1<<5)
#define Q2PS_M_DELTA_ANGLES             (1<<6)
#define Q2PS_VIEWOFFSET                 (1<<7)
#define Q2PS_VIEWANGLES                 (1<<8)
#define Q2PS_KICKANGLES                 (1<<9)
#define Q2PS_BLEND                              (1<<10)
#define Q2PS_FOV                                (1<<11)
#define Q2PS_WEAPONINDEX                (1<<12)
#define Q2PS_WEAPONFRAME                (1<<13)
#define Q2PS_RDFLAGS                    (1<<14)
#define Q2PS_EXTRABITS                  (1<<15)
#define Q2PS_INDEX16                    (1<<16)
#define Q2PS_CLIENTNUM                  (1<<17)
#define Q2PS_UNUSED6                    (1<<18)
#define Q2PS_UNUSED5                    (1<<19)
#define Q2PS_UNUSED4                    (1<<20)
#define Q2PS_UNUSED3                    (1<<21)
#define Q2PS_UNUSED2                    (1<<22)
#define Q2PS_UNUSED1                    (1<<23)
 
#define Q2PSX_GUNOFFSET                 (1<<0)
#define Q2PSX_GUNANGLES                 (1<<1)
#define Q2PSX_M_VELOCITY2               (1<<2)
#define Q2PSX_M_ORIGIN2                 (1<<3)
#define Q2PSX_VIEWANGLE2                (1<<4)
#define Q2PSX_STATS                             (1<<5)
#define Q2PSX_CLIENTNUM                 (1<<6)
#define Q2PSX_OLD                               (1<<8)  //not part of the protocol, just lazy handling.
 
 
// entity_state_t->renderfx flags
#define Q2RF_MINLIGHT                   (1u<<0)         //ni    always have some light (viewmodel)
#define RF_EXTERNALMODEL                (1u<<1)         //i     don't draw through eyes, only mirrors
#define RF_WEAPONMODEL                  (1u<<2)         //i     only draw through eyes
#define RF_FULLBRIGHT                   (1u<<3)         //i     always draw full intensity
#define RF_DEPTHHACK                    (1u<<4)         //i     for view weapon Z crunching
#define RF_TRANSLUCENT                  (1u<<5)         //forces shader sort order and BEF_FORCETRANSPARENT
#define Q2RF_FRAMELERP                  (1u<<6)         //q2only
#define Q2RF_BEAM                               (1u<<7)         //mostly q2only
 
#define Q2RF_CUSTOMSKIN                 (1u<<8)         //not even in q2                skin is an index in image_precache
#define Q2RF_GLOW                               (1u<<9)         //i             pulse lighting for bonus items
#define Q2RF_SHELL_RED                  (1u<<10)        //q2only
#define Q2RF_SHELL_GREEN                (1u<<11)        //q2only
#define Q2RF_SHELL_BLUE                 (1u<<12)        //q2only
 
//ROGUE
#define Q2RF_IR_VISIBLE                 (1u<<15)        // shows red with Q2RDF_IRGOGGLES
#define Q2RF_SHELL_DOUBLE               (1u<<16)        //q2only
#define Q2RF_SHELL_HALF_DAM             (1u<<17)        //q2only
#define Q2RF_USE_DISGUISE               (1u<<18)        //ni    entity is displayed with skin 'players/$MODEL/disguise.pcx' instead
//ROGUE
 
#define RF_ADDITIVE                             (1u<<19)        //forces shader sort order and BEF_FORCEADDITIVE
#define RF_NOSHADOW                             (1u<<20)        //disables shadow casting
#define RF_NODEPTHTEST                  (1u<<21)        //forces shader sort order and BEF_FORCENODEPTH
#define RF_FORCECOLOURMOD               (1u<<22)        //forces BEF_FORCECOLOURMOD
#define RF_WEAPONMODELNOBOB             (1u<<23)
#define RF_FIRSTPERSON                  (1u<<24)        //only draw through eyes
#define RF_XFLIP                                (1u<<25)        //flip horizontally (for q2's left-handed weapons)
 
// player_state_t->refdef flags
#define RDF_UNDERWATER                  (1u<<0)         // warp the screen as apropriate (fov trick)
#define RDF_NOWORLDMODEL                (1u<<1)         // used for player configuration screen
//ROGUE
#define Q2RDF_IRGOGGLES                 (1u<<2)         //ents with Q2RF_IR_VISIBLE show up pure red.
#define Q2RDF_UVGOGGLES                 (1u<<3)         //usused / reserved
//ROGUE
 
#define RDF_BLOOM                               (1u<<16)
#define RDF_FISHEYE                             (1u<<17)
#define RDF_WATERWARP                   (1u<<18)
#define RDF_CUSTOMPOSTPROC              (1u<<19)
#define RDF_ANTIALIAS                   (1u<<20)        //fxaa, or possibly even just fsaa
#define RDF_RENDERSCALE                 (1u<<21)
#define RDF_SCENEGAMMA                  (1u<<22)
#define RDF_DISABLEPARTICLES    (1u<<23)        //mostly for skyrooms
#define RDF_SKIPSKY                             (1u<<24)        //we drew a skyroom, skip drawing sky chains for this scene.
#define RDF_SKYROOMENABLED              (1u<<25)        //skyroom position is known, be prepared to draw the skyroom if its visible.
 
#define RDF_ALLPOSTPROC                 (RDF_BLOOM|RDF_FISHEYE|RDF_WATERWARP|RDF_CUSTOMPOSTPROC|RDF_ANTIALIAS|RDF_SCENEGAMMA)   //these flags require rendering to an fbo for the various different post-processing shaders.
 
 
 
 
 
#define Q2SND_VOLUME            (1u<<0)         // a qbyte
#define Q2SND_ATTENUATION       (1u<<1)         // a qbyte
#define Q2SND_POS                       (1u<<2)         // three coordinates
#define Q2SND_ENT                       (1u<<3)         // a short 0-2: channel, 3-12: entity
#define Q2SND_OFFSET            (1u<<4)         // a qbyte, msec offset from frame start
#define Q2SND_LARGEIDX          (1u<<5)         // idx is a short
#define Q2SND_LARGEPOS          (1u<<6)         // float coord
#define Q2SND_EXTRABITS         (1u<<7)         // unused for now, reserved.
 
#define Q2DEFAULT_SOUND_PACKET_VOLUME   1.0
#define Q2DEFAULT_SOUND_PACKET_ATTENUATION 1.0
 
 
#define ATTN_NONE       0
#define ATTN_NORM       1
#define CHAN_AUTO   0
#define CHAN_WEAPON 1
#define CHAN_VOICE  2
#define CHAN_ITEM   3
#define CHAN_BODY   4
 
#define Q2MZ_BLASTER                    0
#define Q2MZ_MACHINEGUN         1
#define Q2MZ_SHOTGUN                    2
#define Q2MZ_CHAINGUN1          3
#define Q2MZ_CHAINGUN2          4
#define Q2MZ_CHAINGUN3          5
#define Q2MZ_RAILGUN                    6
#define Q2MZ_ROCKET                     7
#define Q2MZ_GRENADE                    8
#define Q2MZ_LOGIN                      9
#define Q2MZ_LOGOUT                     10
#define Q2MZ_RESPAWN                    11
#define Q2MZ_BFG                                12
#define Q2MZ_SSHOTGUN                   13
#define Q2MZ_HYPERBLASTER               14
#define Q2MZ_ITEMRESPAWN                15
// RAFAEL
#define Q2MZ_IONRIPPER          16
#define Q2MZ_BLUEHYPERBLASTER 17
#define Q2MZ_PHALANX                    18
#define Q2MZ_SILENCED                   128             // bit flag ORed with one of the above numbers
 
//ROGUE
#define Q2MZ_ETF_RIFLE          30
#define Q2MZ_UNUSED                     31
#define Q2MZ_SHOTGUN2                   32
#define Q2MZ_HEATBEAM                   33
#define Q2MZ_BLASTER2                   34
#define Q2MZ_TRACKER                    35
#define Q2MZ_NUKE1                      36
#define Q2MZ_NUKE2                      37
#define Q2MZ_NUKE4                      38
#define Q2MZ_NUKE8                      39
//ROGUE
 
//
// monster muzzle flashes
//
#define Q2MZ2_TANK_BLASTER_1                            1
#define Q2MZ2_TANK_BLASTER_2                            2
#define Q2MZ2_TANK_BLASTER_3                            3
#define Q2MZ2_TANK_MACHINEGUN_1                 4
#define Q2MZ2_TANK_MACHINEGUN_2                 5
#define Q2MZ2_TANK_MACHINEGUN_3                 6
#define Q2MZ2_TANK_MACHINEGUN_4                 7
#define Q2MZ2_TANK_MACHINEGUN_5                 8
#define Q2MZ2_TANK_MACHINEGUN_6                 9
#define Q2MZ2_TANK_MACHINEGUN_7                 10
#define Q2MZ2_TANK_MACHINEGUN_8                 11
#define Q2MZ2_TANK_MACHINEGUN_9                 12
#define Q2MZ2_TANK_MACHINEGUN_10                        13
#define Q2MZ2_TANK_MACHINEGUN_11                        14
#define Q2MZ2_TANK_MACHINEGUN_12                        15
#define Q2MZ2_TANK_MACHINEGUN_13                        16
#define Q2MZ2_TANK_MACHINEGUN_14                        17
#define Q2MZ2_TANK_MACHINEGUN_15                        18
#define Q2MZ2_TANK_MACHINEGUN_16                        19
#define Q2MZ2_TANK_MACHINEGUN_17                        20
#define Q2MZ2_TANK_MACHINEGUN_18                        21
#define Q2MZ2_TANK_MACHINEGUN_19                        22
#define Q2MZ2_TANK_ROCKET_1                             23
#define Q2MZ2_TANK_ROCKET_2                             24
#define Q2MZ2_TANK_ROCKET_3                             25
 
#define Q2MZ2_INFANTRY_MACHINEGUN_1             26
#define Q2MZ2_INFANTRY_MACHINEGUN_2             27
#define Q2MZ2_INFANTRY_MACHINEGUN_3             28
#define Q2MZ2_INFANTRY_MACHINEGUN_4             29
#define Q2MZ2_INFANTRY_MACHINEGUN_5             30
#define Q2MZ2_INFANTRY_MACHINEGUN_6             31
#define Q2MZ2_INFANTRY_MACHINEGUN_7             32
#define Q2MZ2_INFANTRY_MACHINEGUN_8             33
#define Q2MZ2_INFANTRY_MACHINEGUN_9             34
#define Q2MZ2_INFANTRY_MACHINEGUN_10            35
#define Q2MZ2_INFANTRY_MACHINEGUN_11            36
#define Q2MZ2_INFANTRY_MACHINEGUN_12            37
#define Q2MZ2_INFANTRY_MACHINEGUN_13            38
 
#define Q2MZ2_SOLDIER_BLASTER_1                 39
#define Q2MZ2_SOLDIER_BLASTER_2                 40
#define Q2MZ2_SOLDIER_SHOTGUN_1                 41
#define Q2MZ2_SOLDIER_SHOTGUN_2                 42
#define Q2MZ2_SOLDIER_MACHINEGUN_1              43
#define Q2MZ2_SOLDIER_MACHINEGUN_2              44
 
#define Q2MZ2_GUNNER_MACHINEGUN_1                       45
#define Q2MZ2_GUNNER_MACHINEGUN_2                       46
#define Q2MZ2_GUNNER_MACHINEGUN_3                       47
#define Q2MZ2_GUNNER_MACHINEGUN_4                       48
#define Q2MZ2_GUNNER_MACHINEGUN_5                       49
#define Q2MZ2_GUNNER_MACHINEGUN_6                       50
#define Q2MZ2_GUNNER_MACHINEGUN_7                       51
#define Q2MZ2_GUNNER_MACHINEGUN_8                       52
#define Q2MZ2_GUNNER_GRENADE_1                  53
#define Q2MZ2_GUNNER_GRENADE_2                  54
#define Q2MZ2_GUNNER_GRENADE_3                  55
#define Q2MZ2_GUNNER_GRENADE_4                  56
 
#define Q2MZ2_CHICK_ROCKET_1                            57
 
#define Q2MZ2_FLYER_BLASTER_1                           58
#define Q2MZ2_FLYER_BLASTER_2                           59
 
#define Q2MZ2_MEDIC_BLASTER_1                           60
 
#define Q2MZ2_GLADIATOR_RAILGUN_1                       61
 
#define Q2MZ2_HOVER_BLASTER_1                           62
 
#define Q2MZ2_ACTOR_MACHINEGUN_1                        63
 
#define Q2MZ2_SUPERTANK_MACHINEGUN_1            64
#define Q2MZ2_SUPERTANK_MACHINEGUN_2            65
#define Q2MZ2_SUPERTANK_MACHINEGUN_3            66
#define Q2MZ2_SUPERTANK_MACHINEGUN_4            67
#define Q2MZ2_SUPERTANK_MACHINEGUN_5            68
#define Q2MZ2_SUPERTANK_MACHINEGUN_6            69
#define Q2MZ2_SUPERTANK_ROCKET_1                        70
#define Q2MZ2_SUPERTANK_ROCKET_2                        71
#define Q2MZ2_SUPERTANK_ROCKET_3                        72
 
#define Q2MZ2_BOSS2_MACHINEGUN_L1                       73
#define Q2MZ2_BOSS2_MACHINEGUN_L2                       74
#define Q2MZ2_BOSS2_MACHINEGUN_L3                       75
#define Q2MZ2_BOSS2_MACHINEGUN_L4                       76
#define Q2MZ2_BOSS2_MACHINEGUN_L5                       77
#define Q2MZ2_BOSS2_ROCKET_1                            78
#define Q2MZ2_BOSS2_ROCKET_2                            79
#define Q2MZ2_BOSS2_ROCKET_3                            80
#define Q2MZ2_BOSS2_ROCKET_4                            81
 
#define Q2MZ2_FLOAT_BLASTER_1                           82
 
#define Q2MZ2_SOLDIER_BLASTER_3                 83
#define Q2MZ2_SOLDIER_SHOTGUN_3                 84
#define Q2MZ2_SOLDIER_MACHINEGUN_3              85
#define Q2MZ2_SOLDIER_BLASTER_4                 86
#define Q2MZ2_SOLDIER_SHOTGUN_4                 87
#define Q2MZ2_SOLDIER_MACHINEGUN_4              88
#define Q2MZ2_SOLDIER_BLASTER_5                 89
#define Q2MZ2_SOLDIER_SHOTGUN_5                 90
#define Q2MZ2_SOLDIER_MACHINEGUN_5              91
#define Q2MZ2_SOLDIER_BLASTER_6                 92
#define Q2MZ2_SOLDIER_SHOTGUN_6                 93
#define Q2MZ2_SOLDIER_MACHINEGUN_6              94
#define Q2MZ2_SOLDIER_BLASTER_7                 95
#define Q2MZ2_SOLDIER_SHOTGUN_7                 96
#define Q2MZ2_SOLDIER_MACHINEGUN_7              97
#define Q2MZ2_SOLDIER_BLASTER_8                 98
#define Q2MZ2_SOLDIER_SHOTGUN_8                 99
#define Q2MZ2_SOLDIER_MACHINEGUN_8              100
 
// --- Xian shit below ---
#define Q2MZ2_MAKRON_BFG                                        101
#define Q2MZ2_MAKRON_BLASTER_1                  102
#define Q2MZ2_MAKRON_BLASTER_2                  103
#define Q2MZ2_MAKRON_BLASTER_3                  104
#define Q2MZ2_MAKRON_BLASTER_4                  105
#define Q2MZ2_MAKRON_BLASTER_5                  106
#define Q2MZ2_MAKRON_BLASTER_6                  107
#define Q2MZ2_MAKRON_BLASTER_7                  108
#define Q2MZ2_MAKRON_BLASTER_8                  109
#define Q2MZ2_MAKRON_BLASTER_9                  110
#define Q2MZ2_MAKRON_BLASTER_10                 111
#define Q2MZ2_MAKRON_BLASTER_11                 112
#define Q2MZ2_MAKRON_BLASTER_12                 113
#define Q2MZ2_MAKRON_BLASTER_13                 114
#define Q2MZ2_MAKRON_BLASTER_14                 115
#define Q2MZ2_MAKRON_BLASTER_15                 116
#define Q2MZ2_MAKRON_BLASTER_16                 117
#define Q2MZ2_MAKRON_BLASTER_17                 118
#define Q2MZ2_MAKRON_RAILGUN_1                  119
#define Q2MZ2_JORG_MACHINEGUN_L1                        120
#define Q2MZ2_JORG_MACHINEGUN_L2                        121
#define Q2MZ2_JORG_MACHINEGUN_L3                        122
#define Q2MZ2_JORG_MACHINEGUN_L4                        123
#define Q2MZ2_JORG_MACHINEGUN_L5                        124
#define Q2MZ2_JORG_MACHINEGUN_L6                        125
#define Q2MZ2_JORG_MACHINEGUN_R1                        126
#define Q2MZ2_JORG_MACHINEGUN_R2                        127
#define Q2MZ2_JORG_MACHINEGUN_R3                        128
#define Q2MZ2_JORG_MACHINEGUN_R4                        129
#define Q2MZ2_JORG_MACHINEGUN_R5                        130
#define Q2MZ2_JORG_MACHINEGUN_R6                        131
#define Q2MZ2_JORG_BFG_1                                        132
#define Q2MZ2_BOSS2_MACHINEGUN_R1                       133
#define Q2MZ2_BOSS2_MACHINEGUN_R2                       134
#define Q2MZ2_BOSS2_MACHINEGUN_R3                       135
#define Q2MZ2_BOSS2_MACHINEGUN_R4                       136
#define Q2MZ2_BOSS2_MACHINEGUN_R5                       137
 
//ROGUE
#define Q2MZ2_CARRIER_MACHINEGUN_L1             138
#define Q2MZ2_CARRIER_MACHINEGUN_R1             139
#define Q2MZ2_CARRIER_GRENADE                           140
#define Q2MZ2_TURRET_MACHINEGUN                 141
#define Q2MZ2_TURRET_ROCKET                             142
#define Q2MZ2_TURRET_BLASTER                            143
#define Q2MZ2_STALKER_BLASTER                           144
#define Q2MZ2_DAEDALUS_BLASTER                  145
#define Q2MZ2_MEDIC_BLASTER_2                           146
#define Q2MZ2_CARRIER_RAILGUN                           147
#define Q2MZ2_WIDOW_DISRUPTOR                           148
#define Q2MZ2_WIDOW_BLASTER                             149
#define Q2MZ2_WIDOW_RAIL                                        150
#define Q2MZ2_WIDOW_PLASMABEAM                  151             // PMM - not used
#define Q2MZ2_CARRIER_MACHINEGUN_L2             152
#define Q2MZ2_CARRIER_MACHINEGUN_R2             153
#define Q2MZ2_WIDOW_RAIL_LEFT                           154
#define Q2MZ2_WIDOW_RAIL_RIGHT                  155
#define Q2MZ2_WIDOW_BLASTER_SWEEP1              156
#define Q2MZ2_WIDOW_BLASTER_SWEEP2              157
#define Q2MZ2_WIDOW_BLASTER_SWEEP3              158
#define Q2MZ2_WIDOW_BLASTER_SWEEP4              159
#define Q2MZ2_WIDOW_BLASTER_SWEEP5              160
#define Q2MZ2_WIDOW_BLASTER_SWEEP6              161
#define Q2MZ2_WIDOW_BLASTER_SWEEP7              162
#define Q2MZ2_WIDOW_BLASTER_SWEEP8              163
#define Q2MZ2_WIDOW_BLASTER_SWEEP9              164
#define Q2MZ2_WIDOW_BLASTER_100                 165
#define Q2MZ2_WIDOW_BLASTER_90                  166
#define Q2MZ2_WIDOW_BLASTER_80                  167
#define Q2MZ2_WIDOW_BLASTER_70                  168
#define Q2MZ2_WIDOW_BLASTER_60                  169
#define Q2MZ2_WIDOW_BLASTER_50                  170
#define Q2MZ2_WIDOW_BLASTER_40                  171
#define Q2MZ2_WIDOW_BLASTER_30                  172
#define Q2MZ2_WIDOW_BLASTER_20                  173
#define Q2MZ2_WIDOW_BLASTER_10                  174
#define Q2MZ2_WIDOW_BLASTER_0                           175
#define Q2MZ2_WIDOW_BLASTER_10L                 176
#define Q2MZ2_WIDOW_BLASTER_20L                 177
#define Q2MZ2_WIDOW_BLASTER_30L                 178
#define Q2MZ2_WIDOW_BLASTER_40L                 179
#define Q2MZ2_WIDOW_BLASTER_50L                 180
#define Q2MZ2_WIDOW_BLASTER_60L                 181
#define Q2MZ2_WIDOW_BLASTER_70L                 182
#define Q2MZ2_WIDOW_RUN_1                                       183
#define Q2MZ2_WIDOW_RUN_2                                       184
#define Q2MZ2_WIDOW_RUN_3                                       185
#define Q2MZ2_WIDOW_RUN_4                                       186
#define Q2MZ2_WIDOW_RUN_5                                       187
#define Q2MZ2_WIDOW_RUN_6                                       188
#define Q2MZ2_WIDOW_RUN_7                                       189
#define Q2MZ2_WIDOW_RUN_8                                       190
#define Q2MZ2_CARRIER_ROCKET_1                  191
#define Q2MZ2_CARRIER_ROCKET_2                  192
#define Q2MZ2_CARRIER_ROCKET_3                  193
#define Q2MZ2_CARRIER_ROCKET_4                  194
#define Q2MZ2_WIDOW2_BEAMER_1                           195
#define Q2MZ2_WIDOW2_BEAMER_2                           196
#define Q2MZ2_WIDOW2_BEAMER_3                           197
#define Q2MZ2_WIDOW2_BEAMER_4                           198
#define Q2MZ2_WIDOW2_BEAMER_5                           199
#define Q2MZ2_WIDOW2_BEAM_SWEEP_1                       200
#define Q2MZ2_WIDOW2_BEAM_SWEEP_2                       201
#define Q2MZ2_WIDOW2_BEAM_SWEEP_3                       202
#define Q2MZ2_WIDOW2_BEAM_SWEEP_4                       203
#define Q2MZ2_WIDOW2_BEAM_SWEEP_5                       204
#define Q2MZ2_WIDOW2_BEAM_SWEEP_6                       205
#define Q2MZ2_WIDOW2_BEAM_SWEEP_7                       206
#define Q2MZ2_WIDOW2_BEAM_SWEEP_8                       207
#define Q2MZ2_WIDOW2_BEAM_SWEEP_9                       208
#define Q2MZ2_WIDOW2_BEAM_SWEEP_10              209
#define Q2MZ2_WIDOW2_BEAM_SWEEP_11              210
 
 
 
 
 
 
#define MAX_MAP_AREA_BYTES              32
 
// edict->drawflags (hexen2 stuff)
#define MLS_MASK                                7       // Model Light Style
#define MLS_NONE                                0
#define MLS_FULLBRIGHT                  1
#define MLS_POWERMODE                   2
#define MLS_TORCH                               3
#define MLS_TOTALDARK                   4
#define MLS_UNUSED                              4
#define MLS_ADDLIGHT                    6
#define MLS_ABSLIGHT                    (MLS_MASK)
#define SCALE_TYPE_MASK                 (SCALE_TYPE_UNIFORM|SCALE_TYPE_XYONLY|SCALE_TYPE_ZONLY)
#define SCALE_TYPE_UNIFORM              0       // Scale X, Y, and Z
#define SCALE_TYPE_XYONLY               8       // Scale X and Y
#define SCALE_TYPE_ZONLY                16      // Scale Z
#define SCALE_TYPE_UNUSED               (SCALE_TYPE_XYONLY|SCALE_TYPE_ZONLY)
#define SCALE_ORIGIN_MASK               (SCALE_ORIGIN_TOP|SCALE_ORIGIN_BOTTOM|SCALE_ORIGIN_CENTER)
#define SCALE_ORIGIN_CENTER             0       // Scaling origin at object center
#define SCALE_ORIGIN_BOTTOM             32      // Scaling origin at object bottom
#define SCALE_ORIGIN_TOP                64      // Scaling origin at object top
#define SCALE_ORIGIN_ORIGIN             (SCALE_ORIGIN_TOP|SCALE_ORIGIN_BOTTOM)  // Scaling origin at object origin
#define DRF_TRANSLUCENT                 128
 
 
//TENEBRAE_GFX_DLIGHTS
#define PFLAGS_NOSHADOW         1
#define PFLAGS_CORONA           2
#define PFLAGS_FULLDYNAMIC      128     //NOTE: this is a dp-ism. for tenebrae compat, this should be effects&16 and not pflags&128, as effects&16 already means something else
 
#define RENDER_STEP 1
#define RENDER_GLOWTRAIL 2
#define RENDER_VIEWMODEL 4
#define RENDER_EXTERIORMODEL 8
#define RENDER_LOWPRECISION 16 // send as low precision coordinates to save bandwidth
#define RENDER_COLORMAPPED 32
//#define RENDER_WORLDOBJECT 64
#define RENDER_COMPLEXANIMATION 128
 
//darkplaces protocols 5 to 7 use these
// reset all entity fields (typically used if status changed)
#define E5_FULLUPDATE (1<<0)
// E5_ORIGIN32=0: short[3] = s->origin[0] * 8, s->origin[1] * 8, s->origin[2] * 8
// E5_ORIGIN32=1: float[3] = s->origin[0], s->origin[1], s->origin[2]
#define E5_ORIGIN (1<<1)
// E5_ANGLES16=0: byte[3] = s->angle[0] * 256 / 360, s->angle[1] * 256 / 360, s->angle[2] * 256 / 360
// E5_ANGLES16=1: short[3] = s->angle[0] * 65536 / 360, s->angle[1] * 65536 / 360, s->angle[2] * 65536 / 360
#define E5_ANGLES (1<<2)
// E5_MODEL16=0: byte = s->modelindex
// E5_MODEL16=1: short = s->modelindex
#define E5_MODEL (1<<3)
// E5_FRAME16=0: byte = s->frame
// E5_FRAME16=1: short = s->frame
#define E5_FRAME (1<<4)
// byte = s->skin
#define E5_SKIN (1<<5)
// E5_EFFECTS16=0 && E5_EFFECTS32=0: byte = s->effects
// E5_EFFECTS16=1 && E5_EFFECTS32=0: short = s->effects
// E5_EFFECTS16=0 && E5_EFFECTS32=1: int = s->effects
// E5_EFFECTS16=1 && E5_EFFECTS32=1: int = s->effects
#define E5_EFFECTS (1<<6)
// bits >= (1<<8)
#define E5_EXTEND1 (1<<7)
 
// byte = s->renderflags
#define E5_FLAGS (1<<8)
// byte = bound(0, s->alpha * 255, 255)
#define E5_ALPHA (1<<9)
// byte = bound(0, s->scale * 16, 255)
#define E5_SCALE (1<<10)
// flag
#define E5_ORIGIN32 (1<<11)
// flag
#define E5_ANGLES16 (1<<12)
// flag
#define E5_MODEL16 (1<<13)
// byte = s->colormap
#define E5_COLORMAP (1<<14)
// bits >= (1<<16)
#define E5_EXTEND2 (1<<15)
 
// short = s->tagentity
// byte = s->tagindex
#define E5_ATTACHMENT (1<<16)
// short[4] = s->light[0], s->light[1], s->light[2], s->light[3]
// byte = s->lightstyle
// byte = s->lightpflags
#define E5_LIGHT (1<<17)
// byte = s->glowsize
// byte = s->glowcolor
#define E5_GLOW (1<<18)
// short = s->effects
#define E5_EFFECTS16 (1<<19)
// int = s->effects
#define E5_EFFECTS32 (1<<20)
// flag
#define E5_FRAME16 (1<<21)
// unused
#define E5_COLORMOD (1<<22)
// bits >= (1<<24)
#define E5_EXTEND3 (1<<23)
 
// unused
#define E5_GLOWMOD (1<<24)
// unused
#define E5_COMPLEXANIMATION (1<<25)
// unused
#define E5_TRAILEFFECTNUM (1<<26)
// unused
#define E5_UNUSED27 (1<<27)
// unused
#define E5_UNUSED28 (1<<28)
// unused
#define E5_UNUSED29 (1<<29)
// unused
#define E5_UNUSED30 (1<<30)
// bits2 > 0
#define E5_EXTEND4 (1u<<31)
 
#define E5_ALLUNUSED (E5_UNUSED27|E5_UNUSED28|E5_UNUSED29|E5_UNUSED30)
#define E5_SERVERPRIVATE (E5_EXTEND1|E5_EXTEND2|E5_EXTEND3|E5_EXTEND4)
#define E5_SERVERREMOVE E5_EXTEND1