sv_main.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // sv_main.c -- server main program
  21
  22 #include "quakedef.h"
  23 #include "sv_demo.h"
  24 #include "libcurl.h"
  25 #include "csprogs.h"
  26
  27 static void SV_SaveEntFile_f(void);
  28 static void SV_StartDownload_f(void);
  29 static void SV_Download_f(void);
  30 static void SV_VM_Setup(void);
  31 extern cvar_t net_connecttimeout;
  32
  33 void VM_CustomStats_Clear (void);
  34 void VM_SV_UpdateCustomStats (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats);
  35
  36 cvar_t coop = {0, "coop","0", "coop mode, 0 = no coop, 1 = coop mode, multiple players playing through the singleplayer game (coop mode also shuts off deathmatch)"};
  37 cvar_t deathmatch = {0, "deathmatch","0", "deathmatch mode, values depend on mod but typically 0 = no deathmatch, 1 = normal deathmatch with respawning weapons, 2 = weapons stay (players can only pick up new weapons)"};
  38 cvar_t fraglimit = {CVAR_NOTIFY, "fraglimit","0", "ends level if this many frags is reached by any player"};
  39 cvar_t gamecfg = {0, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
  40 cvar_t noexit = {CVAR_NOTIFY, "noexit","0", "kills anyone attempting to use an exit"};
  41 cvar_t nomonsters = {0, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
  42 cvar_t pausable = {0, "pausable","1", "allow players to pause or not"};
  43 cvar_t pr_checkextension = {CVAR_READONLY, "pr_checkextension", "1", "indicates to QuakeC that the standard quakec extensions system is available (if 0, quakec should not attempt to use extensions)"};
  44 cvar_t samelevel = {CVAR_NOTIFY, "samelevel","0", "repeats same level if level ends (due to timelimit or someone hitting an exit)"};
  45 cvar_t skill = {0, "skill","1", "difficulty level of game, affects monster layouts in levels, 0 = easy, 1 = normal, 2 = hard, 3 = nightmare (same layout as hard but monsters fire twice)"};
  46 cvar_t slowmo = {0, "slowmo", "1.0", "controls game speed, 0.5 is half speed, 2 is double speed"};
  47
  48 cvar_t sv_accelerate = {0, "sv_accelerate", "10", "rate at which a player accelerates to sv_maxspeed"};
  49 cvar_t sv_aim = {CVAR_SAVE, "sv_aim", "2", "maximum cosine angle for quake's vertical autoaim, a value above 1 completely disables the autoaim, quake used 0.93"};
  50 cvar_t sv_airaccel_qw = {0, "sv_airaccel_qw", "1", "ratio of QW-style air control as opposed to simple acceleration"};
  51 cvar_t sv_airaccel_sideways_friction = {0, "sv_airaccel_sideways_friction", "", "anti-sideways movement stabilization (reduces speed gain when zigzagging)"};
  52 cvar_t sv_airaccelerate = {0, "sv_airaccelerate", "-1", "rate at which a player accelerates to sv_maxairspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
  53 cvar_t sv_airstopaccelerate = {0, "sv_airstopaccelerate", "0", "when set, replacement for sv_airaccelerate when moving backwards"};
  54 cvar_t sv_airstrafeaccelerate = {0, "sv_airstrafeaccelerate", "0", "when set, replacement for sv_airaccelerate when just strafing"};
  55 cvar_t sv_maxairstrafespeed = {0, "sv_maxairstrafespeed", "0", "when set, replacement for sv_maxairspeed when just strafing"};
  56 cvar_t sv_aircontrol = {0, "sv_aircontrol", "0", "CPMA-style air control"};
  57 cvar_t sv_allowdownloads = {0, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
  58 cvar_t sv_allowdownloads_archive = {0, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
  59 cvar_t sv_allowdownloads_config = {0, "sv_allowdownloads_config", "0", "whether to allow downloads of config files (cfg)"};
  60 cvar_t sv_allowdownloads_dlcache = {0, "sv_allowdownloads_dlcache", "0", "whether to allow downloads of dlcache files (dlcache/)"};
  61 cvar_t sv_allowdownloads_inarchive = {0, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
  62 cvar_t sv_areagrid_mingridsize = {CVAR_NOTIFY, "sv_areagrid_mingridsize", "64", "minimum areagrid cell size, smaller values work better for lots of small objects, higher values for large objects"};
  63 cvar_t sv_checkforpacketsduringsleep = {0, "sv_checkforpacketsduringsleep", "0", "uses select() function to wait between frames which can be interrupted by packets being received, instead of Sleep()/usleep()/SDL_Sleep() functions which do not check for packets"};
  64 cvar_t sv_clmovement_enable = {0, "sv_clmovement_enable", "1", "whether to allow clients to use cl_movement prediction, which can cause choppy movement on the server which may annoy other players"};
  65 cvar_t sv_clmovement_minping = {0, "sv_clmovement_minping", "0", "if client ping is below this time in milliseconds, then their ability to use cl_movement prediction is disabled for a while (as they don't need it)"};
  66 cvar_t sv_clmovement_minping_disabletime = {0, "sv_clmovement_minping_disabletime", "1000", "when client falls below minping, disable their prediction for this many milliseconds (should be at least 1000 or else their prediction may turn on/off frequently)"};
  67 cvar_t sv_clmovement_inputtimeout = {0, "sv_clmovement_inputtimeout", "0.2", "when a client does not send input for this many seconds, force them to move anyway (unlike QuakeWorld)"};
  68 cvar_t sv_cullentities_nevercullbmodels = {0, "sv_cullentities_nevercullbmodels", "0", "if enabled the clients are always notified of moving doors and lifts and other submodels of world (warning: eats a lot of network bandwidth on some levels!)"};
  69 cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"};
  70 cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
  71 cvar_t sv_cullentities_trace = {0, "sv_cullentities_trace", "0", "somewhat slow but very tight culling of hidden entities, minimizes network traffic and makes wallhack cheats useless"};
  72 cvar_t sv_cullentities_trace_delay = {0, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
  73 cvar_t sv_cullentities_trace_delay_players = {0, "sv_cullentities_trace_delay_players", "0.2", "number of seconds until the entity gets actually culled if it is a player entity"};
  74 cvar_t sv_cullentities_trace_enlarge = {0, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
  75 cvar_t sv_cullentities_trace_prediction = {0, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
  76 cvar_t sv_cullentities_trace_prediction_time = {0, "sv_cullentities_trace_prediction_time", "0.2", "how many seconds of prediction to use"};
  77 cvar_t sv_cullentities_trace_entityocclusion = {0, "sv_cullentities_trace_entityocclusion", "0", "also check if doors and other bsp models are in the way"};
  78 cvar_t sv_cullentities_trace_samples = {0, "sv_cullentities_trace_samples", "1", "number of samples to test for entity culling"};
  79 cvar_t sv_cullentities_trace_samples_extra = {0, "sv_cullentities_trace_samples_extra", "2", "number of samples to test for entity culling when the entity affects its surroundings by e.g. dlight"};
  80 cvar_t sv_cullentities_trace_samples_players = {0, "sv_cullentities_trace_samples_players", "8", "number of samples to test for entity culling when the entity is a player entity"};
  81 cvar_t sv_debugmove = {CVAR_NOTIFY, "sv_debugmove", "0", "disables collision detection optimizations for debugging purposes"};
  82 cvar_t sv_echobprint = {CVAR_SAVE, "sv_echobprint", "1", "prints gamecode bprint() calls to server console"};
  83 cvar_t sv_edgefriction = {0, "edgefriction", "1", "how much you slow down when nearing a ledge you might fall off, multiplier of sv_friction (Quake used 2, QuakeWorld used 1 due to a bug in physics code)"};
  84 cvar_t sv_entpatch = {0, "sv_entpatch", "1", "enables loading of .ent files to override entities in the bsp (for example Threewave CTF server pack contains .ent patch files enabling play of CTF on id1 maps)"};
  85 cvar_t sv_fixedframeratesingleplayer = {0, "sv_fixedframeratesingleplayer", "1", "allows you to use server-style timing system in singleplayer (don't run faster than sys_ticrate)"};
  86 cvar_t sv_freezenonclients = {CVAR_NOTIFY, "sv_freezenonclients", "0", "freezes time, except for players, allowing you to walk around and take screenshots of explosions"};
  87 cvar_t sv_friction = {CVAR_NOTIFY, "sv_friction","4", "how fast you slow down"};
  88 cvar_t sv_gameplayfix_blowupfallenzombies = {0, "sv_gameplayfix_blowupfallenzombies", "1", "causes findradius to detect SOLID_NOT entities such as zombies and corpses on the floor, allowing splash damage to apply to them"};
  89 cvar_t sv_gameplayfix_consistentplayerprethink = {0, "sv_gameplayfix_consistentplayerprethink", "1", "improves fairness in multiplayer by running all PlayerPreThink functions (which fire weapons) before performing physics, then runing all PlayerPostThink functions"};
  90 cvar_t sv_gameplayfix_delayprojectiles = {0, "sv_gameplayfix_delayprojectiles", "1", "causes entities to not move on the same frame they are spawned, meaning that projectiles wait until the next frame to perform their first move, giving proper interpolation and rocket trails, but making weapons harder to use at low framerates"};
  91 cvar_t sv_gameplayfix_droptofloorstartsolid = {0, "sv_gameplayfix_droptofloorstartsolid", "1", "prevents items and monsters that start in a solid area from falling out of the level (makes droptofloor treat trace_startsolid as an acceptable outcome)"};
  92 cvar_t sv_gameplayfix_droptofloorstartsolid_nudgetocorrect = {0, "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect", "1", "tries to nudge stuck items and monsters out of walls before droptofloor is performed"};
  93 cvar_t sv_gameplayfix_easierwaterjump = {0, "sv_gameplayfix_easierwaterjump", "1", "changes water jumping to make it easier to get out of water (exactly like in QuakeWorld)"};
  94 cvar_t sv_gameplayfix_findradiusdistancetobox = {0, "sv_gameplayfix_findradiusdistancetobox", "1", "causes findradius to check the distance to the corner of a box rather than the center of the box, makes findradius detect bmodels such as very large doors that would otherwise be unaffected by splash damage"};
  95 cvar_t sv_gameplayfix_gravityunaffectedbyticrate = {0, "sv_gameplayfix_gravityunaffectedbyticrate", "0", "fix some ticrate issues in physics."};
  96 cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
  97 cvar_t sv_gameplayfix_multiplethinksperframe = {0, "sv_gameplayfix_multiplethinksperframe", "1", "allows entities to think more often than the server framerate, primarily useful for very high fire rate weapons"};
  98 cvar_t sv_gameplayfix_noairborncorpse = {0, "sv_gameplayfix_noairborncorpse", "1", "causes entities (corpses, items, etc) sitting ontop of moving entities (players) to fall when the moving entity (player) is no longer supporting them"};
  99 cvar_t sv_gameplayfix_noairborncorpse_allowsuspendeditems = {0, "sv_gameplayfix_noairborncorpse_allowsuspendeditems", "1", "causes entities sitting ontop of objects that are instantaneously remove to float in midair (special hack to allow a common level design trick for floating items)"};
 100 cvar_t sv_gameplayfix_nudgeoutofsolid = {0, "sv_gameplayfix_nudgeoutofsolid", "1", "attempts to fix physics errors (where an object ended up in solid for some reason)"};
 101 cvar_t sv_gameplayfix_nudgeoutofsolid_bias = {0, "sv_gameplayfix_nudgeoutofsolid_bias", "0.03125", "over-correction on nudgeoutofsolid logic, to prevent constant contact"};
 102 cvar_t sv_gameplayfix_q2airaccelerate = {0, "sv_gameplayfix_q2airaccelerate", "0", "Quake2-style air acceleration"};
 103 cvar_t sv_gameplayfix_setmodelrealbox = {0, "sv_gameplayfix_setmodelrealbox", "1", "fixes a bug in Quake that made setmodel always set the entity box to ('-16 -16 -16', '16 16 16') rather than properly checking the model box, breaks some poorly coded mods"};
 104 cvar_t sv_gameplayfix_slidemoveprojectiles = {0, "sv_gameplayfix_slidemoveprojectiles", "1", "allows MOVETYPE_FLY/FLYMISSILE/TOSS/BOUNCE/BOUNCEMISSILE entities to finish their move in a frame even if they hit something, fixes 'gravity accumulation' bug for grenades on steep slopes"};
 105 cvar_t sv_gameplayfix_stepdown = {0, "sv_gameplayfix_stepdown", "0", "attempts to step down stairs, not just up them (prevents the familiar thud..thud..thud.. when running down stairs and slopes)"};
 106 cvar_t sv_gameplayfix_stepwhilejumping = {0, "sv_gameplayfix_stepwhilejumping", "1", "applies step-up onto a ledge even while airborn, useful if you would otherwise just-miss the floor when running across small areas with gaps (for instance running across the moving platforms in dm2, or jumping to the megahealth and red armor in dm2 rather than using the bridge)"};
 107 cvar_t sv_gameplayfix_swiminbmodels = {0, "sv_gameplayfix_swiminbmodels", "1", "causes pointcontents (used to determine if you are in a liquid) to check bmodel entities as well as the world model, so you can swim around in (possibly moving) water bmodel entities"};
 108 cvar_t sv_gameplayfix_upwardvelocityclearsongroundflag = {0, "sv_gameplayfix_upwardvelocityclearsongroundflag", "1", "prevents monsters, items, and most other objects from being stuck to the floor when pushed around by damage, and other situations in mods"};
 109 cvar_t sv_gravity = {CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
 110 cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
 111 cvar_t sv_jumpstep = {CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping (sv_gameplayfix_stepwhilejumping must also be 1)"};
 112 cvar_t sv_jumpvelocity = {0, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
 113 cvar_t sv_maxairspeed = {0, "sv_maxairspeed", "30", "maximum speed a player can accelerate to when airborn (note that it is possible to completely stop by moving the opposite direction)"};
 114 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
 115 cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
 116 cvar_t sv_maxvelocity = {CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
 117 cvar_t sv_newflymove = {CVAR_NOTIFY, "sv_newflymove", "0", "enables simpler/buggier player physics (not recommended)"};
 118 cvar_t sv_nostep = {CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
 119 cvar_t sv_playerphysicsqc = {CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
 120 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
 121 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
 122 cvar_t sv_random_seed = {0, "sv_random_seed", "", "random seed; when set, on every map start this random seed is used to initialize the random number generator. Don't touch it unless for benchmarking or debugging"};
 123 cvar_t sv_ratelimitlocalplayer = {0, "sv_ratelimitlocalplayer", "0", "whether to apply rate limiting to the local player in a listen server (only useful for testing)"};
 124 cvar_t sv_sound_land = {0, "sv_sound_land", "demon/dland2.wav", "sound to play when MOVETYPE_STEP entity hits the ground at high speed (empty cvar disables the sound)"};
 125 cvar_t sv_sound_watersplash = {0, "sv_sound_watersplash", "misc/h2ohit1.wav", "sound to play when MOVETYPE_FLY/TOSS/BOUNCE/STEP entity enters or leaves water (empty cvar disables the sound)"};
 126 cvar_t sv_stepheight = {CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
 127 cvar_t sv_stopspeed = {CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
 128 cvar_t sv_wallfriction = {CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
 129 cvar_t sv_wateraccelerate = {0, "sv_wateraccelerate", "-1", "rate at which a player accelerates to sv_maxspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
 130 cvar_t sv_waterfriction = {CVAR_NOTIFY, "sv_waterfriction","-1", "how fast you slow down, if less than 0 the sv_friction variable is used instead"};
 131 cvar_t sv_warsowbunny_airforwardaccel = {0, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
 132 cvar_t sv_warsowbunny_accel = {0, "sv_warsowbunny_accel", "0.1585", "how fast you accelerate until after reaching sv_maxspeed (it gets harder as you near sv_warsowbunny_topspeed)"};
 133 cvar_t sv_warsowbunny_topspeed = {0, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
 134 cvar_t sv_warsowbunny_turnaccel = {0, "sv_warsowbunny_turnaccel", "0", "max sharpness of turns (also master switch for the sv_warsowbunny_* mode; set this to 9 to enable)"};
 135 cvar_t sv_warsowbunny_backtosideratio = {0, "sv_warsowbunny_backtosideratio", "0.8", "lower values make it easier to change direction without losing speed; the drawback is \"understeering\" in sharp turns"};
 136 cvar_t sv_onlycsqcnetworking = {0, "sv_onlycsqcnetworking", "0", "disables legacy entity networking code for higher performance (except on clients, which can still be legacy)"};
 137 cvar_t sys_ticrate = {CVAR_SAVE, "sys_ticrate","0.0138889", "how long a server frame is in seconds, 0.05 is 20fps server rate, 0.1 is 10fps (can not be set higher than 0.1), 0 runs as many server frames as possible (makes games against bots a little smoother, overwhelms network players), 0.0138889 matches QuakeWorld physics"};
 138 cvar_t teamplay = {CVAR_NOTIFY, "teamplay","0", "teamplay mode, values depend on mod but typically 0 = no teams, 1 = no team damage no self damage, 2 = team damage and self damage, some mods support 3 = no team damage but can damage self"};
 139 cvar_t timelimit = {CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
 140
 141 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 142 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 143 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 144 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 145 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 146 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
 147 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
 148 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
 149 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
 150 cvar_t temp1 = {0, "temp1","0", "general cvar for mods to use, in stock id1 this selects which death animation to use on players (0 = random death, other values select specific death scenes)"};
 151
 152 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
 153 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
 154 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
 155 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
 156 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
 157 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
 158 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
 159 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
 160 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
 161 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
 162 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
 163 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
 164 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
 165 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
 166 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
 167 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
 168 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
 169 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
 170 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
 171 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
 172 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
 173
 174 cvar_t sv_autodemo_perclient = {CVAR_SAVE, "sv_autodemo_perclient", "0", "set to 1 to enable autorecorded per-client demos (they'll start to record at the beginning of a match); set it to 2 to also record client->server packets (for debugging)"};
 175 cvar_t sv_autodemo_perclient_nameformat = {CVAR_SAVE, "sv_autodemo_perclient_nameformat", "sv_autodemos/%Y-%m-%d_%H-%M", "The format of the sv_autodemo_perclient filename, followed by the map name, the client number and the IP address + port number, separated by underscores (the date is encoded using strftime escapes)" };
 176
 177 cvar_t halflifebsp = {0, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
 178
 179 server_t sv;
 180 server_static_t svs;
 181
 182 mempool_t *sv_mempool = NULL;
 183
 184 extern cvar_t slowmo;
 185 extern float            scr_centertime_off;
 186
 187 // MUST match effectnameindex_t in client.h
 188 static const char *standardeffectnames[EFFECT_TOTAL] =
 189 {
 190         "",
 191         "TE_GUNSHOT",
 192         "TE_GUNSHOTQUAD",
 193         "TE_SPIKE",
 194         "TE_SPIKEQUAD",
 195         "TE_SUPERSPIKE",
 196         "TE_SUPERSPIKEQUAD",
 197         "TE_WIZSPIKE",
 198         "TE_KNIGHTSPIKE",
 199         "TE_EXPLOSION",
 200         "TE_EXPLOSIONQUAD",
 201         "TE_TAREXPLOSION",
 202         "TE_TELEPORT",
 203         "TE_LAVASPLASH",
 204         "TE_SMALLFLASH",
 205         "TE_FLAMEJET",
 206         "EF_FLAME",
 207         "TE_BLOOD",
 208         "TE_SPARK",
 209         "TE_PLASMABURN",
 210         "TE_TEI_G3",
 211         "TE_TEI_SMOKE",
 212         "TE_TEI_BIGEXPLOSION",
 213         "TE_TEI_PLASMAHIT",
 214         "EF_STARDUST",
 215         "TR_ROCKET",
 216         "TR_GRENADE",
 217         "TR_BLOOD",
 218         "TR_WIZSPIKE",
 219         "TR_SLIGHTBLOOD",
 220         "TR_KNIGHTSPIKE",
 221         "TR_VORESPIKE",
 222         "TR_NEHAHRASMOKE",
 223         "TR_NEXUIZPLASMA",
 224         "TR_GLOWTRAIL",
 225         "SVC_PARTICLE"
 226 };
 227
 228 #define REQFIELDS (sizeof(reqfields) / sizeof(prvm_required_field_t))
 229
 230 prvm_required_field_t reqfields[] =
 231 {
 232         {ev_entity, "cursor_trace_ent"},
 233         {ev_entity, "drawonlytoclient"},
 234         {ev_entity, "exteriormodeltoclient"},
 235         {ev_entity, "nodrawtoclient"},
 236         {ev_entity, "tag_entity"},
 237         {ev_entity, "viewmodelforclient"},
 238         {ev_float, "SendFlags"},
 239         {ev_float, "Version"},
 240         {ev_float, "alpha"},
 241         {ev_float, "ammo_cells1"},
 242         {ev_float, "ammo_lava_nails"},
 243         {ev_float, "ammo_multi_rockets"},
 244         {ev_float, "ammo_nails1"},
 245         {ev_float, "ammo_plasma"},
 246         {ev_float, "ammo_rockets1"},
 247         {ev_float, "ammo_shells1"},
 248         {ev_float, "button3"},
 249         {ev_float, "button4"},
 250         {ev_float, "button5"},
 251         {ev_float, "button6"},
 252         {ev_float, "button7"},
 253         {ev_float, "button8"},
 254         {ev_float, "button9"},
 255         {ev_float, "button10"},
 256         {ev_float, "button11"},
 257         {ev_float, "button12"},
 258         {ev_float, "button13"},
 259         {ev_float, "button14"},
 260         {ev_float, "button15"},
 261         {ev_float, "button16"},
 262         {ev_float, "buttonchat"},
 263         {ev_float, "buttonuse"},
 264         {ev_float, "clientcolors"},
 265         {ev_float, "cursor_active"},
 266         {ev_float, "disableclientprediction"},
 267         {ev_float, "fullbright"},
 268         {ev_float, "glow_color"},
 269         {ev_float, "glow_size"},
 270         {ev_float, "glow_trail"},
 271         {ev_float, "gravity"},
 272         {ev_float, "idealpitch"},
 273         {ev_float, "items2"},
 274         {ev_float, "light_lev"},
 275         {ev_float, "modelflags"},
 276         {ev_float, "pflags"},
 277         {ev_float, "ping"},
 278         {ev_float, "pitch_speed"},
 279         {ev_float, "pmodel"},
 280         {ev_float, "renderamt"}, // HalfLife support
 281         {ev_float, "rendermode"}, // HalfLife support
 282         {ev_float, "scale"},
 283         {ev_float, "style"},
 284         {ev_float, "tag_index"},
 285         {ev_float, "viewzoom"},
 286         {ev_function, "SendEntity"},
 287         {ev_function, "contentstransition"}, // DRESK - Support for Entity Contents Transition Event
 288         {ev_function, "customizeentityforclient"},
 289         {ev_function, "movetypesteplandevent"}, // DRESK - Support for MOVETYPE_STEP Entity Land Event
 290         {ev_string, "netaddress"},
 291         {ev_string, "playermodel"},
 292         {ev_string, "playerskin"},
 293         {ev_vector, "color"},
 294         {ev_vector, "colormod"},
 295         {ev_vector, "cursor_screen"},
 296         {ev_vector, "cursor_trace_endpos"},
 297         {ev_vector, "cursor_trace_start"},
 298         {ev_vector, "glowmod"},
 299         {ev_vector, "movement"},
 300         {ev_vector, "punchvector"},
 301
 302         // physics
 303         //{ev_float, "solid"},
 304         //{ev_float, "movetype"},
 305         //{ev_float, "modelindex"},
 306         {ev_vector, "mass"},
 307         //{ev_vector, "origin"},
 308         //{ev_vector, "velocity"},
 309         //{ev_vector, "axis_forward"},
 310         //{ev_vector, "axis_left"},
 311         //{ev_vector, "axis_up"},
 312         //{ev_vector, "spinvelocity"},
 313         //{ev_vector, "angles"},
 314         //{ev_vector, "avelocity"},
 315
 316 };
 317
 318
 319
 320 //============================================================================
 321
 322 void SV_AreaStats_f(void)
 323 {
 324         World_PrintAreaStats(&sv.world, "server");
 325 }
 326
 327 /*
 328 ===============
 329 SV_Init
 330 ===============
 331 */
 332 void SV_Init (void)
 333 {
 334         // init the csqc progs cvars, since they are updated/used by the server code
 335         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
 336         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
 337         extern cvar_t csqc_progcrc;
 338         extern cvar_t csqc_progsize;
 339         Cvar_RegisterVariable (&csqc_progname);
 340         Cvar_RegisterVariable (&csqc_progcrc);
 341         Cvar_RegisterVariable (&csqc_progsize);
 342
 343         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
 344         Cmd_AddCommand("sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
 345         Cmd_AddCommand_WithClientCommand("sv_startdownload", NULL, SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
 346         Cmd_AddCommand_WithClientCommand("download", NULL, SV_Download_f, "downloads a specified file from the server");
 347
 348         Cvar_RegisterVariable (&coop);
 349         Cvar_RegisterVariable (&deathmatch);
 350         Cvar_RegisterVariable (&fraglimit);
 351         Cvar_RegisterVariable (&gamecfg);
 352         Cvar_RegisterVariable (&noexit);
 353         Cvar_RegisterVariable (&nomonsters);
 354         Cvar_RegisterVariable (&pausable);
 355         Cvar_RegisterVariable (&pr_checkextension);
 356         Cvar_RegisterVariable (&samelevel);
 357         Cvar_RegisterVariable (&skill);
 358         Cvar_RegisterVariable (&slowmo);
 359         Cvar_RegisterVariable (&sv_accelerate);
 360         Cvar_RegisterVariable (&sv_aim);
 361         Cvar_RegisterVariable (&sv_airaccel_qw);
 362         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
 363         Cvar_RegisterVariable (&sv_airaccelerate);
 364         Cvar_RegisterVariable (&sv_airstopaccelerate);
 365         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
 366         Cvar_RegisterVariable (&sv_maxairstrafespeed);
 367         Cvar_RegisterVariable (&sv_aircontrol);
 368         Cvar_RegisterVariable (&sv_allowdownloads);
 369         Cvar_RegisterVariable (&sv_allowdownloads_archive);
 370         Cvar_RegisterVariable (&sv_allowdownloads_config);
 371         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
 372         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
 373         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
 374         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
 375         Cvar_RegisterVariable (&sv_clmovement_enable);
 376         Cvar_RegisterVariable (&sv_clmovement_minping);
 377         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
 378         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
 379         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
 380         Cvar_RegisterVariable (&sv_cullentities_pvs);
 381         Cvar_RegisterVariable (&sv_cullentities_stats);
 382         Cvar_RegisterVariable (&sv_cullentities_trace);
 383         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
 384         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
 385         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
 386         Cvar_RegisterVariable (&sv_cullentities_trace_entityocclusion);
 387         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
 388         Cvar_RegisterVariable (&sv_cullentities_trace_prediction_time);
 389         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
 390         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
 391         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
 392         Cvar_RegisterVariable (&sv_debugmove);
 393         Cvar_RegisterVariable (&sv_echobprint);
 394         Cvar_RegisterVariable (&sv_edgefriction);
 395         Cvar_RegisterVariable (&sv_entpatch);
 396         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
 397         Cvar_RegisterVariable (&sv_freezenonclients);
 398         Cvar_RegisterVariable (&sv_friction);
 399         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
 400         Cvar_RegisterVariable (&sv_gameplayfix_consistentplayerprethink);
 401         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
 402         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
 403         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
 404         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
 405         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
 406         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
 407         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
 408         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
 409         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
 410         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
 411         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid);
 412         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid_bias);
 413         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
 414         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
 415         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
 416         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
 417         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
 418         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
 419         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
 420         Cvar_RegisterVariable (&sv_gravity);
 421         Cvar_RegisterVariable (&sv_idealpitchscale);
 422         Cvar_RegisterVariable (&sv_jumpstep);
 423         Cvar_RegisterVariable (&sv_jumpvelocity);
 424         Cvar_RegisterVariable (&sv_maxairspeed);
 425         Cvar_RegisterVariable (&sv_maxrate);
 426         Cvar_RegisterVariable (&sv_maxspeed);
 427         Cvar_RegisterVariable (&sv_maxvelocity);
 428         Cvar_RegisterVariable (&sv_newflymove);
 429         Cvar_RegisterVariable (&sv_nostep);
 430         Cvar_RegisterVariable (&sv_playerphysicsqc);
 431         Cvar_RegisterVariable (&sv_progs);
 432         Cvar_RegisterVariable (&sv_protocolname);
 433         Cvar_RegisterVariable (&sv_random_seed);
 434         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
 435         Cvar_RegisterVariable (&sv_sound_land);
 436         Cvar_RegisterVariable (&sv_sound_watersplash);
 437         Cvar_RegisterVariable (&sv_stepheight);
 438         Cvar_RegisterVariable (&sv_stopspeed);
 439         Cvar_RegisterVariable (&sv_wallfriction);
 440         Cvar_RegisterVariable (&sv_wateraccelerate);
 441         Cvar_RegisterVariable (&sv_waterfriction);
 442         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
 443         Cvar_RegisterVariable (&sv_warsowbunny_accel);
 444         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
 445         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
 446         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
 447         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
 448         Cvar_RegisterVariable (&sys_ticrate);
 449         Cvar_RegisterVariable (&teamplay);
 450         Cvar_RegisterVariable (&timelimit);
 451
 452         Cvar_RegisterVariable (&saved1);
 453         Cvar_RegisterVariable (&saved2);
 454         Cvar_RegisterVariable (&saved3);
 455         Cvar_RegisterVariable (&saved4);
 456         Cvar_RegisterVariable (&savedgamecfg);
 457         Cvar_RegisterVariable (&scratch1);
 458         Cvar_RegisterVariable (&scratch2);
 459         Cvar_RegisterVariable (&scratch3);
 460         Cvar_RegisterVariable (&scratch4);
 461         Cvar_RegisterVariable (&temp1);
 462
 463         // LordHavoc: Nehahra uses these to pass data around cutscene demos
 464         if (gamemode == GAME_NEHAHRA)
 465         {
 466                 Cvar_RegisterVariable (&nehx00);
 467                 Cvar_RegisterVariable (&nehx01);
 468                 Cvar_RegisterVariable (&nehx02);
 469                 Cvar_RegisterVariable (&nehx03);
 470                 Cvar_RegisterVariable (&nehx04);
 471                 Cvar_RegisterVariable (&nehx05);
 472                 Cvar_RegisterVariable (&nehx06);
 473                 Cvar_RegisterVariable (&nehx07);
 474                 Cvar_RegisterVariable (&nehx08);
 475                 Cvar_RegisterVariable (&nehx09);
 476                 Cvar_RegisterVariable (&nehx10);
 477                 Cvar_RegisterVariable (&nehx11);
 478                 Cvar_RegisterVariable (&nehx12);
 479                 Cvar_RegisterVariable (&nehx13);
 480                 Cvar_RegisterVariable (&nehx14);
 481                 Cvar_RegisterVariable (&nehx15);
 482                 Cvar_RegisterVariable (&nehx16);
 483                 Cvar_RegisterVariable (&nehx17);
 484                 Cvar_RegisterVariable (&nehx18);
 485                 Cvar_RegisterVariable (&nehx19);
 486         }
 487         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
 488
 489         Cvar_RegisterVariable (&sv_autodemo_perclient);
 490         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
 491
 492         Cvar_RegisterVariable (&halflifebsp);
 493
 494         // any special defaults for gamemodes go here
 495         if (gamemode == GAME_NEHAHRA)
 496         {
 497                 // Nehahra pushable crates malfunction in some levels if this is on
 498                 Cvar_SetValueQuick (&sv_gameplayfix_upwardvelocityclearsongroundflag, 0);
 499                 // Nehahra NPC AI is confused by this feature
 500                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
 501         }
 502         if (gamemode == GAME_HIPNOTIC)
 503         {
 504                 // hipnotic mission pack has issues in their 'friendly monster' ai, which seem to attempt to attack themselves for some reason when findradius() returns non-solid entities.
 505                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
 506                 // hipnotic mission pack has issues with bobbing water entities 'jittering' between different heights on alternate frames at the default 0.0138889 ticrate, 0.02 avoids this issue
 507                 Cvar_SetValueQuick (&sys_ticrate, 0.02);
 508                 // hipnotic mission pack has issues in their proximity mine sticking code, which causes them to bounce off.
 509                 Cvar_SetValueQuick (&sv_gameplayfix_slidemoveprojectiles, 0);
 510         }
 511         if (gamemode == GAME_ROGUE)
 512         {
 513                 // rogue mission pack has a guardian boss that does not wake up if findradius returns one of the entities around its spawn area
 514                 Cvar_SetValueQuick (&sv_gameplayfix_findradiusdistancetobox, 0);
 515         }
 516         if (gamemode == GAME_NEXUIZ)
 517         {
 518                 // rogue mission pack has a guardian boss that does not wake up if findradius returns one of the entities around its spawn area
 519                 Cvar_SetValueQuick (&sv_gameplayfix_q2airaccelerate, 1);
 520         }
 521
 522         sv_mempool = Mem_AllocPool("server", 0, NULL);
 523 }
 524
 525 static void SV_SaveEntFile_f(void)
 526 {
 527         char basename[MAX_QPATH];
 528         if (!sv.active || !sv.worldmodel)
 529         {
 530                 Con_Print("Not running a server\n");
 531                 return;
 532         }
 533         FS_StripExtension(sv.worldmodel->name, basename, sizeof(basename));
 534         FS_WriteFile(va("%s.ent", basename), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
 535 }
 536
 537
 538 /*
 539 =============================================================================
 540
 541 EVENT MESSAGES
 542
 543 =============================================================================
 544 */
 545
 546 /*
 547 ==================
 548 SV_StartParticle
 549
 550 Make sure the event gets sent to all clients
 551 ==================
 552 */
 553 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 554 {
 555         int i;
 556
 557         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 558                 return;
 559         MSG_WriteByte (&sv.datagram, svc_particle);
 560         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 561         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 562         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 563         for (i=0 ; i<3 ; i++)
 564                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
 565         MSG_WriteByte (&sv.datagram, count);
 566         MSG_WriteByte (&sv.datagram, color);
 567         SV_FlushBroadcastMessages();
 568 }
 569
 570 /*
 571 ==================
 572 SV_StartEffect
 573
 574 Make sure the event gets sent to all clients
 575 ==================
 576 */
 577 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 578 {
 579         if (modelindex >= 256 || startframe >= 256)
 580         {
 581                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 582                         return;
 583                 MSG_WriteByte (&sv.datagram, svc_effect2);
 584                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 585                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 586                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 587                 MSG_WriteShort (&sv.datagram, modelindex);
 588                 MSG_WriteShort (&sv.datagram, startframe);
 589                 MSG_WriteByte (&sv.datagram, framecount);
 590                 MSG_WriteByte (&sv.datagram, framerate);
 591         }
 592         else
 593         {
 594                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 595                         return;
 596                 MSG_WriteByte (&sv.datagram, svc_effect);
 597                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 598                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 599                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 600                 MSG_WriteByte (&sv.datagram, modelindex);
 601                 MSG_WriteByte (&sv.datagram, startframe);
 602                 MSG_WriteByte (&sv.datagram, framecount);
 603                 MSG_WriteByte (&sv.datagram, framerate);
 604         }
 605         SV_FlushBroadcastMessages();
 606 }
 607
 608 /*
 609 ==================
 610 SV_StartSound
 611
 612 Each entity can have eight independant sound sources, like voice,
 613 weapon, feet, etc.
 614
 615 Channel 0 is an auto-allocate channel, the others override anything
 616 already running on that entity/channel pair.
 617
 618 An attenuation of 0 will play full volume everywhere in the level.
 619 Larger attenuations will drop off.  (max 4 attenuation)
 620
 621 ==================
 622 */
 623 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation)
 624 {
 625         int sound_num, field_mask, i, ent;
 626
 627         if (volume < 0 || volume > 255)
 628         {
 629                 Con_Printf ("SV_StartSound: volume = %i\n", volume);
 630                 return;
 631         }
 632
 633         if (attenuation < 0 || attenuation > 4)
 634         {
 635                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
 636                 return;
 637         }
 638
 639         if (channel < 0 || channel > 7)
 640         {
 641                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
 642                 return;
 643         }
 644
 645         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 646                 return;
 647
 648 // find precache number for sound
 649         sound_num = SV_SoundIndex(sample, 1);
 650         if (!sound_num)
 651                 return;
 652
 653         ent = PRVM_NUM_FOR_EDICT(entity);
 654
 655         field_mask = 0;
 656         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 657                 field_mask |= SND_VOLUME;
 658         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 659                 field_mask |= SND_ATTENUATION;
 660         if (ent >= 8192)
 661                 field_mask |= SND_LARGEENTITY;
 662         if (sound_num >= 256 || channel >= 8)
 663                 field_mask |= SND_LARGESOUND;
 664
 665 // directed messages go only to the entity they are targeted on
 666         MSG_WriteByte (&sv.datagram, svc_sound);
 667         MSG_WriteByte (&sv.datagram, field_mask);
 668         if (field_mask & SND_VOLUME)
 669                 MSG_WriteByte (&sv.datagram, volume);
 670         if (field_mask & SND_ATTENUATION)
 671                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 672         if (field_mask & SND_LARGEENTITY)
 673         {
 674                 MSG_WriteShort (&sv.datagram, ent);
 675                 MSG_WriteByte (&sv.datagram, channel);
 676         }
 677         else
 678                 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
 679         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
 680                 MSG_WriteShort (&sv.datagram, sound_num);
 681         else
 682                 MSG_WriteByte (&sv.datagram, sound_num);
 683         for (i = 0;i < 3;i++)
 684                 MSG_WriteCoord (&sv.datagram, entity->fields.server->origin[i]+0.5*(entity->fields.server->mins[i]+entity->fields.server->maxs[i]), sv.protocol);
 685         SV_FlushBroadcastMessages();
 686 }
 687
 688 /*
 689 ==================
 690 SV_StartPointSound
 691
 692 Nearly the same logic as SV_StartSound, except an origin
 693 instead of an entity is provided and channel is omitted.
 694
 695 The entity sent to the client is 0 (world) and the channel
 696 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
 697 function, therefore the check for it is omitted.
 698
 699 ==================
 700 */
 701 void SV_StartPointSound (vec3_t origin, const char *sample, int volume, float attenuation)
 702 {
 703         int sound_num, field_mask, i;
 704
 705         if (volume < 0 || volume > 255)
 706         {
 707                 Con_Printf ("SV_StartPointSound: volume = %i\n", volume);
 708                 return;
 709         }
 710
 711         if (attenuation < 0 || attenuation > 4)
 712         {
 713                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
 714                 return;
 715         }
 716
 717         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 718                 return;
 719
 720         // find precache number for sound
 721         sound_num = SV_SoundIndex(sample, 1);
 722         if (!sound_num)
 723                 return;
 724
 725         field_mask = 0;
 726         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 727                 field_mask |= SND_VOLUME;
 728         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 729                 field_mask |= SND_ATTENUATION;
 730         if (sound_num >= 256)
 731                 field_mask |= SND_LARGESOUND;
 732
 733 // directed messages go only to the entity they are targeted on
 734         MSG_WriteByte (&sv.datagram, svc_sound);
 735         MSG_WriteByte (&sv.datagram, field_mask);
 736         if (field_mask & SND_VOLUME)
 737                 MSG_WriteByte (&sv.datagram, volume);
 738         if (field_mask & SND_ATTENUATION)
 739                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 740         // Always write entnum 0 for the world entity
 741         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
 742         if (field_mask & SND_LARGESOUND)
 743                 MSG_WriteShort (&sv.datagram, sound_num);
 744         else
 745                 MSG_WriteByte (&sv.datagram, sound_num);
 746         for (i = 0;i < 3;i++)
 747                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
 748         SV_FlushBroadcastMessages();
 749 }
 750
 751 /*
 752 ==============================================================================
 753
 754 CLIENT SPAWNING
 755
 756 ==============================================================================
 757 */
 758
 759 /*
 760 ================
 761 SV_SendServerinfo
 762
 763 Sends the first message from the server to a connected client.
 764 This will be sent on the initial connection and upon each server load.
 765 ================
 766 */
 767 void SV_SendServerinfo (client_t *client)
 768 {
 769         int i;
 770         char message[128];
 771
 772         // we know that this client has a netconnection and thus is not a bot
 773
 774         // edicts get reallocated on level changes, so we need to update it here
 775         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
 776
 777         // clear cached stuff that depends on the level
 778         client->weaponmodel[0] = 0;
 779         client->weaponmodelindex = 0;
 780
 781         // LordHavoc: clear entityframe tracking
 782         client->latestframenum = 0;
 783
 784         // initialize the movetime, so a speedhack can't make use of the time before this client joined
 785         client->cmd.time = sv.time;
 786
 787         if (client->entitydatabase)
 788                 EntityFrame_FreeDatabase(client->entitydatabase);
 789         if (client->entitydatabase4)
 790                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 791         if (client->entitydatabase5)
 792                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 793
 794         memset(client->stats, 0, sizeof(client->stats));
 795         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
 796
 797         if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE && sv.protocol != PROTOCOL_NEHAHRABJP && sv.protocol != PROTOCOL_NEHAHRABJP2 && sv.protocol != PROTOCOL_NEHAHRABJP3)
 798         {
 799                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 800                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
 801                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
 802                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
 803                 else
 804                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
 805         }
 806
 807         // reset csqc entity versions
 808         for (i = 0;i < prog->max_edicts;i++)
 809         {
 810                 client->csqcentityscope[i] = 0;
 811                 client->csqcentitysendflags[i] = 0xFFFFFF;
 812                 client->csqcentityglobalhistory[i] = 0;
 813         }
 814         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
 815         {
 816                 client->csqcentityframehistory[i].num = 0;
 817                 client->csqcentityframehistory[i].framenum = -1;
 818         }
 819         client->csqcnumedicts = 0;
 820         client->csqcentityframehistory_next = 0;
 821
 822         SZ_Clear (&client->netconnection->message);
 823         MSG_WriteByte (&client->netconnection->message, svc_print);
 824         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)", gamename, buildstring, prog->filecrc);
 825         MSG_WriteString (&client->netconnection->message,message);
 826
 827         SV_StopDemoRecording(client); // to split up demos into different files
 828         if(sv_autodemo_perclient.integer && client->netconnection)
 829         {
 830                 char demofile[MAX_OSPATH];
 831                 char levelname[MAX_QPATH];
 832                 char ipaddress[MAX_QPATH];
 833                 size_t i;
 834
 835                 // start a new demo file
 836                 strlcpy(levelname, FS_FileWithoutPath(sv.worldmodel->name), sizeof(levelname));
 837                 if (strrchr(levelname, '.'))
 838                         *(strrchr(levelname, '.')) = 0;
 839
 840                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
 841                 for(i = 0; ipaddress[i]; ++i)
 842                         if(!isalnum(ipaddress[i]))
 843                                 ipaddress[i] = '-';
 844                 dpsnprintf (demofile, sizeof(demofile), "%s_%s_%d_%s.dem", Sys_TimeString (sv_autodemo_perclient_nameformat.string), levelname, PRVM_NUM_FOR_EDICT(client->edict), ipaddress);
 845
 846                 SV_StartDemoRecording(client, demofile, -1);
 847         }
 848
 849         //[515]: init csprogs according to version of svprogs, check the crc, etc.
 850         if (sv.csqc_progname[0])
 851         {
 852                 prvm_eval_t *val;
 853                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
 854                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 855                 MSG_WriteString (&client->netconnection->message, va("csqc_progname %s\n", sv.csqc_progname));
 856                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 857                 MSG_WriteString (&client->netconnection->message, va("csqc_progsize %i\n", sv.csqc_progsize));
 858                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 859                 MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i\n", sv.csqc_progcrc));
 860
 861                 if(client->sv_demo_file != NULL)
 862                 {
 863                         int i;
 864                         char buf[NET_MAXMESSAGE];
 865                         sizebuf_t sb;
 866
 867                         sb.data = (unsigned char *) buf;
 868                         sb.maxsize = sizeof(buf);
 869                         i = 0;
 870                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, i++, &sb, sv.protocol))
 871                                 SV_WriteDemoMessage(client, &sb, false);
 872                 }
 873
 874                 //[515]: init stufftext string (it is sent before svc_serverinfo)
 875                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.SV_InitCmd);
 876                 if (val)
 877                 {
 878                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 879                         MSG_WriteString (&client->netconnection->message, va("%s\n", PRVM_GetString(val->string)));
 880                 }
 881         }
 882
 883         //if (sv_allowdownloads.integer)
 884         // always send the info that the server supports the protocol, even if downloads are forbidden
 885         // only because of that, the CSQC exception can work
 886         {
 887                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 888                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
 889         }
 890
 891         // send at this time so it's guaranteed to get executed at the right time
 892         {
 893                 client_t *save;
 894                 save = host_client;
 895                 host_client = client;
 896                 Curl_SendRequirements();
 897                 host_client = save;
 898         }
 899
 900         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
 901         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
 902         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
 903
 904         if (!coop.integer && deathmatch.integer)
 905                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
 906         else
 907                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
 908
 909         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog->edicts->fields.server->message));
 910
 911         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
 912                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
 913         MSG_WriteByte (&client->netconnection->message, 0);
 914
 915         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
 916                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
 917         MSG_WriteByte (&client->netconnection->message, 0);
 918
 919 // send music
 920         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
 921         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
 922         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
 923
 924 // set view
 925 // store this in clientcamera, too
 926         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
 927         MSG_WriteByte (&client->netconnection->message, svc_setview);
 928         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
 929
 930         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
 931         MSG_WriteByte (&client->netconnection->message, 1);
 932
 933         client->spawned = false;                // need prespawn, spawn, etc
 934         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
 935
 936         // clear movement info until client enters the new level properly
 937         memset(&client->cmd, 0, sizeof(client->cmd));
 938         client->movesequence = 0;
 939 #ifdef NUM_PING_TIMES
 940         for (i = 0;i < NUM_PING_TIMES;i++)
 941                 client->ping_times[i] = 0;
 942         client->num_pings = 0;
 943 #endif
 944         client->ping = 0;
 945
 946         // allow the client some time to send his keepalives, even if map loading took ages
 947         client->netconnection->timeout = realtime + net_connecttimeout.value;
 948 }
 949
 950 /*
 951 ================
 952 SV_ConnectClient
 953
 954 Initializes a client_t for a new net connection.  This will only be called
 955 once for a player each game, not once for each level change.
 956 ================
 957 */
 958 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
 959 {
 960         client_t                *client;
 961         int                             i;
 962         float                   spawn_parms[NUM_SPAWN_PARMS];
 963
 964         client = svs.clients + clientnum;
 965
 966 // set up the client_t
 967         if (sv.loadgame)
 968                 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
 969         memset (client, 0, sizeof(*client));
 970         client->active = true;
 971         client->netconnection = netconnection;
 972
 973         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
 974
 975         strlcpy(client->name, "unconnected", sizeof(client->name));
 976         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
 977         client->spawned = false;
 978         client->edict = PRVM_EDICT_NUM(clientnum+1);
 979         if (client->netconnection)
 980                 client->netconnection->message.allowoverflow = true;            // we can catch it
 981         // prepare the unreliable message buffer
 982         client->unreliablemsg.data = client->unreliablemsg_data;
 983         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
 984         // updated by receiving "rate" command from client, this is also the default if not using a DP client
 985         client->rate = 1000000000;
 986         // no limits for local player
 987         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
 988                 client->rate = 1000000000;
 989         client->connecttime = realtime;
 990
 991         if (sv.loadgame)
 992                 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
 993         else
 994         {
 995                 // call the progs to get default spawn parms for the new client
 996                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
 997                 prog->globals.server->self = 0;
 998                 PRVM_ExecuteProgram (prog->globals.server->SetNewParms, "QC function SetNewParms is missing");
 999                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1000                         client->spawn_parms[i] = (&prog->globals.server->parm1)[i];
1001
1002                 // set up the entity for this client (including .colormap, .team, etc)
1003                 PRVM_ED_ClearEdict(client->edict);
1004         }
1005
1006         // don't call SendServerinfo for a fresh botclient because its fields have
1007         // not been set up by the qc yet
1008         if (client->netconnection)
1009                 SV_SendServerinfo (client);
1010         else
1011                 client->spawned = true;
1012 }
1013
1014
1015 /*
1016 ===============================================================================
1017
1018 FRAME UPDATES
1019
1020 ===============================================================================
1021 */
1022
1023 /*
1024 =============================================================================
1025
1026 The PVS must include a small area around the client to allow head bobbing
1027 or other small motion on the client side.  Otherwise, a bob might cause an
1028 entity that should be visible to not show up, especially when the bob
1029 crosses a waterline.
1030
1031 =============================================================================
1032 */
1033
1034 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1035 {
1036         int i;
1037         unsigned int sendflags;
1038         unsigned int version;
1039         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1040         unsigned int customizeentityforclient;
1041         unsigned int sendentity;
1042         float f;
1043         vec3_t cullmins, cullmaxs;
1044         dp_model_t *model;
1045         prvm_eval_t *val, *val2;
1046
1047         // fast path for games that do not use legacy entity networking
1048         // note: still networks clients even if they are legacy
1049         sendentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendEntity)->function;
1050         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1051                 return false;
1052
1053         // this 2 billion unit check is actually to detect NAN origins
1054         // (we really don't want to send those)
1055         if (!(VectorLength2(ent->fields.server->origin) < 2000000000.0*2000000000.0))
1056                 return false;
1057
1058         // EF_NODRAW prevents sending for any reason except for your own
1059         // client, so we must keep all clients in this superset
1060         effects = (unsigned)ent->fields.server->effects;
1061
1062         // we can omit invisible entities with no effects that are not clients
1063         // LordHavoc: this could kill tags attached to an invisible entity, I
1064         // just hope we never have to support that case
1065         i = (int)ent->fields.server->modelindex;
1066         modelindex = (i >= 1 && i < MAX_MODELS && ent->fields.server->model && *PRVM_GetString(ent->fields.server->model)) ? i : 0;
1067
1068         flags = 0;
1069         i = (int)(PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_size)->_float * 0.25f);
1070         glowsize = (unsigned char)bound(0, i, 255);
1071         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_trail)->_float)
1072                 flags |= RENDER_GLOWTRAIL;
1073         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict)
1074                 flags |= RENDER_VIEWMODEL;
1075
1076         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[0]*256;
1077         light[0] = (unsigned short)bound(0, f, 65535);
1078         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[1]*256;
1079         light[1] = (unsigned short)bound(0, f, 65535);
1080         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[2]*256;
1081         light[2] = (unsigned short)bound(0, f, 65535);
1082         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.light_lev)->_float;
1083         light[3] = (unsigned short)bound(0, f, 65535);
1084         lightstyle = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.style)->_float;
1085         lightpflags = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.pflags)->_float;
1086
1087         if (gamemode == GAME_TENEBRAE)
1088         {
1089                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1090                 if (effects & 16)
1091                 {
1092                         effects &= ~16;
1093                         lightpflags |= PFLAGS_FULLDYNAMIC;
1094                 }
1095                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1096                 if (effects & 32)
1097                 {
1098                         effects &= ~32;
1099                         light[0] = (int)(0.2*256);
1100                         light[1] = (int)(1.0*256);
1101                         light[2] = (int)(0.2*256);
1102                         light[3] = 200;
1103                         lightpflags |= PFLAGS_FULLDYNAMIC;
1104                 }
1105         }
1106
1107         specialvisibilityradius = 0;
1108         if (lightpflags & PFLAGS_FULLDYNAMIC)
1109                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1110         if (glowsize)
1111                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1112         if (flags & RENDER_GLOWTRAIL)
1113                 specialvisibilityradius = max(specialvisibilityradius, 100);
1114         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1115         {
1116                 if (effects & EF_BRIGHTFIELD)
1117                         specialvisibilityradius = max(specialvisibilityradius, 80);
1118                 if (effects & EF_MUZZLEFLASH)
1119                         specialvisibilityradius = max(specialvisibilityradius, 100);
1120                 if (effects & EF_BRIGHTLIGHT)
1121                         specialvisibilityradius = max(specialvisibilityradius, 400);
1122                 if (effects & EF_DIMLIGHT)
1123                         specialvisibilityradius = max(specialvisibilityradius, 200);
1124                 if (effects & EF_RED)
1125                         specialvisibilityradius = max(specialvisibilityradius, 200);
1126                 if (effects & EF_BLUE)
1127                         specialvisibilityradius = max(specialvisibilityradius, 200);
1128                 if (effects & EF_FLAME)
1129                         specialvisibilityradius = max(specialvisibilityradius, 250);
1130                 if (effects & EF_STARDUST)
1131                         specialvisibilityradius = max(specialvisibilityradius, 100);
1132         }
1133
1134         // early culling checks
1135         // (final culling is done by SV_MarkWriteEntityStateToClient)
1136         customizeentityforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.customizeentityforclient)->function;
1137         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1138                 return false;
1139
1140         *cs = defaultstate;
1141         cs->active = ACTIVE_NETWORK;
1142         cs->number = enumber;
1143         VectorCopy(ent->fields.server->origin, cs->origin);
1144         VectorCopy(ent->fields.server->angles, cs->angles);
1145         cs->flags = flags;
1146         cs->effects = effects;
1147         cs->colormap = (unsigned)ent->fields.server->colormap;
1148         cs->modelindex = modelindex;
1149         cs->skin = (unsigned)ent->fields.server->skin;
1150         cs->frame = (unsigned)ent->fields.server->frame;
1151         cs->viewmodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict;
1152         cs->exteriormodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.exteriormodeltoclient)->edict;
1153         cs->nodrawtoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.nodrawtoclient)->edict;
1154         cs->drawonlytoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.drawonlytoclient)->edict;
1155         cs->customizeentityforclient = customizeentityforclient;
1156         cs->tagentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_entity)->edict;
1157         cs->tagindex = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_index)->_float;
1158         cs->glowsize = glowsize;
1159
1160         // don't need to init cs->colormod because the defaultstate did that for us
1161         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1162         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.colormod);
1163         if (val->vector[0] || val->vector[1] || val->vector[2])
1164         {
1165                 i = (int)(val->vector[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1166                 i = (int)(val->vector[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1167                 i = (int)(val->vector[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1168         }
1169
1170         // don't need to init cs->glowmod because the defaultstate did that for us
1171         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1172         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glowmod);
1173         if (val->vector[0] || val->vector[1] || val->vector[2])
1174         {
1175                 i = (int)(val->vector[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1176                 i = (int)(val->vector[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1177                 i = (int)(val->vector[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1178         }
1179
1180         cs->modelindex = modelindex;
1181
1182         cs->alpha = 255;
1183         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.alpha)->_float * 255.0f);
1184         if (f)
1185         {
1186                 i = (int)f;
1187                 cs->alpha = (unsigned char)bound(0, i, 255);
1188         }
1189         // halflife
1190         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.renderamt)->_float);
1191         if (f)
1192         {
1193                 i = (int)f;
1194                 cs->alpha = (unsigned char)bound(0, i, 255);
1195         }
1196
1197         cs->scale = 16;
1198         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.scale)->_float * 16.0f);
1199         if (f)
1200         {
1201                 i = (int)f;
1202                 cs->scale = (unsigned char)bound(0, i, 255);
1203         }
1204
1205         cs->glowcolor = 254;
1206         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_color)->_float);
1207         if (f)
1208                 cs->glowcolor = (int)f;
1209
1210         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.fullbright)->_float)
1211                 cs->effects |= EF_FULLBRIGHT;
1212
1213         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.modelflags);
1214         if (val && val->_float)
1215                 cs->effects |= ((unsigned int)val->_float & 0xff) << 24;
1216
1217         if (ent->fields.server->movetype == MOVETYPE_STEP)
1218                 cs->flags |= RENDER_STEP;
1219         if (cs->number != sv.writeentitiestoclient_cliententitynumber && (cs->effects & EF_LOWPRECISION) && cs->origin[0] >= -32768 && cs->origin[1] >= -32768 && cs->origin[2] >= -32768 && cs->origin[0] <= 32767 && cs->origin[1] <= 32767 && cs->origin[2] <= 32767)
1220                 cs->flags |= RENDER_LOWPRECISION;
1221         if (ent->fields.server->colormap >= 1024)
1222                 cs->flags |= RENDER_COLORMAPPED;
1223         if (cs->viewmodelforclient)
1224                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1225
1226         cs->light[0] = light[0];
1227         cs->light[1] = light[1];
1228         cs->light[2] = light[2];
1229         cs->light[3] = light[3];
1230         cs->lightstyle = lightstyle;
1231         cs->lightpflags = lightpflags;
1232
1233         cs->specialvisibilityradius = specialvisibilityradius;
1234
1235         // calculate the visible box of this entity (don't use the physics box
1236         // as that is often smaller than a model, and would not count
1237         // specialvisibilityradius)
1238         if ((model = sv.models[modelindex]) && (model->type != mod_null))
1239         {
1240                 float scale = cs->scale * (1.0f / 16.0f);
1241                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1242                 {
1243                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1244                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1245                 }
1246                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1247                 {
1248                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1249                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1250                 }
1251                 else
1252                 {
1253                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1254                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1255                 }
1256         }
1257         else
1258         {
1259                 // if there is no model (or it could not be loaded), use the physics box
1260                 VectorAdd(cs->origin, ent->fields.server->mins, cullmins);
1261                 VectorAdd(cs->origin, ent->fields.server->maxs, cullmaxs);
1262         }
1263         if (specialvisibilityradius)
1264         {
1265                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1266                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1267                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1268                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1269                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1270                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1271         }
1272
1273         // calculate center of bbox for network prioritization purposes
1274         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1275
1276         // if culling box has moved, update pvs cluster links
1277         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1278         {
1279                 VectorCopy(cullmins, ent->priv.server->cullmins);
1280                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1281                 // a value of -1 for pvs_numclusters indicates that the links are not
1282                 // cached, and should be re-tested each time, this is the case if the
1283                 // culling box touches too many pvs clusters to store, or if the world
1284                 // model does not support FindBoxClusters
1285                 ent->priv.server->pvs_numclusters = -1;
1286                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1287                 {
1288                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1289                         if (i <= MAX_ENTITYCLUSTERS)
1290                                 ent->priv.server->pvs_numclusters = i;
1291                 }
1292         }
1293
1294         // we need to do some csqc entity upkeep here
1295         // get self.SendFlags and clear them
1296         // (to let the QC know that they've been read)
1297         if (sendentity)
1298         {
1299                 val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendFlags);
1300                 sendflags = (unsigned int)val->_float;
1301                 val->_float = 0;
1302                 // legacy self.Version system
1303                 val2 = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.Version);
1304                 if (val2->_float)
1305                 {
1306                         version = (unsigned int)val2->_float;
1307                         if (sv.csqcentityversion[enumber] != version)
1308                                 sendflags = 0xFFFFFF;
1309                         sv.csqcentityversion[enumber] = version;
1310                 }
1311                 // move sendflags into the per-client sendflags
1312                 if (sendflags)
1313                         for (i = 0;i < svs.maxclients;i++)
1314                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1315                 // mark it as inactive for non-csqc networking
1316                 cs->active = ACTIVE_SHARED;
1317         }
1318
1319         return true;
1320 }
1321
1322 void SV_PrepareEntitiesForSending(void)
1323 {
1324         int e;
1325         prvm_edict_t *ent;
1326         // send all entities that touch the pvs
1327         sv.numsendentities = 0;
1328         sv.sendentitiesindex[0] = NULL;
1329         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1330         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1331         {
1332                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1333                 {
1334                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1335                         sv.numsendentities++;
1336                 }
1337         }
1338 }
1339
1340 #define MAX_LINEOFSIGHTTRACES 64
1341
1342 qboolean SV_CanSeeBox(int numtraces, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1343 {
1344         float pitchsign;
1345         float alpha;
1346         float starttransformed[3], endtransformed[3];
1347         int blocked = 0;
1348         int traceindex;
1349         int originalnumtouchedicts;
1350         int numtouchedicts = 0;
1351         int touchindex;
1352         matrix4x4_t matrix, imatrix;
1353         dp_model_t *model;
1354         prvm_edict_t *touch;
1355         prvm_edict_t *touchedicts[MAX_EDICTS];
1356         unsigned int modelindex;
1357         vec3_t boxmins, boxmaxs;
1358         vec3_t clipboxmins, clipboxmaxs;
1359         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1360
1361         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1362
1363         // expand the box a little
1364         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
1365         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
1366         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
1367         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
1368         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
1369         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
1370
1371         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1372         for (traceindex = 1;traceindex < numtraces;traceindex++)
1373                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1374
1375         // calculate sweep box for the entire swarm of traces
1376         VectorCopy(eye, clipboxmins);
1377         VectorCopy(eye, clipboxmaxs);
1378         for (traceindex = 0;traceindex < numtraces;traceindex++)
1379         {
1380                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1381                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1382                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1383                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1384                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1385                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1386         }
1387
1388         // get the list of entities in the sweep box
1389         if (sv_cullentities_trace_entityocclusion.integer)
1390                 numtouchedicts = World_EntitiesInBox(&sv.world, clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1391         if (numtouchedicts > MAX_EDICTS)
1392         {
1393                 // this never happens
1394                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1395                 numtouchedicts = MAX_EDICTS;
1396         }
1397         // iterate the entities found in the sweep box and filter them
1398         originalnumtouchedicts = numtouchedicts;
1399         numtouchedicts = 0;
1400         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1401         {
1402                 touch = touchedicts[touchindex];
1403                 if (touch->fields.server->solid != SOLID_BSP)
1404                         continue;
1405                 modelindex = (unsigned int)touch->fields.server->modelindex;
1406                 if (!modelindex)
1407                         continue;
1408                 if (modelindex >= MAX_MODELS)
1409                         continue; // error?
1410                 model = sv.models[(int)touch->fields.server->modelindex];
1411                 if (!model->brush.TraceLineOfSight)
1412                         continue;
1413                 // skip obviously transparent entities
1414                 alpha = PRVM_EDICTFIELDVALUE(touch, prog->fieldoffsets.alpha)->_float;
1415                 if (alpha && alpha < 1)
1416                         continue;
1417                 if ((int)touch->fields.server->effects & EF_ADDITIVE)
1418                         continue;
1419                 touchedicts[numtouchedicts++] = touch;
1420         }
1421
1422         // now that we have a filtered list of "interesting" entities, fire each
1423         // ray against all of them, this gives us an early-out case when something
1424         // is visible (which it often is)
1425
1426         for (traceindex = 0;traceindex < numtraces;traceindex++)
1427         {
1428                 // check world occlusion
1429                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1430                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, eye, endpoints[traceindex]))
1431                                 continue;
1432                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1433                 {
1434                         touch = touchedicts[touchindex];
1435                         modelindex = (unsigned int)touch->fields.server->modelindex;
1436                         model = (modelindex >= 1 && modelindex < MAX_MODELS) ? sv.models[(int)touch->fields.server->modelindex] : NULL;
1437                         if(model && model->brush.TraceLineOfSight)
1438                         {
1439                                 // get the entity matrix
1440                                 pitchsign = SV_GetPitchSign(touch);
1441                                 Matrix4x4_CreateFromQuakeEntity(&matrix, touch->fields.server->origin[0], touch->fields.server->origin[1], touch->fields.server->origin[2], pitchsign * touch->fields.server->angles[0], touch->fields.server->angles[1], touch->fields.server->angles[2], 1);
1442                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1443                                 // see if the ray hits this entity
1444                                 Matrix4x4_Transform(&imatrix, eye, starttransformed);
1445                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1446                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed))
1447                                 {
1448                                         blocked++;
1449                                         break;
1450                                 }
1451                         }
1452                 }
1453                 // check if the ray was blocked
1454                 if (touchindex < numtouchedicts)
1455                         continue;
1456                 // return if the ray was not blocked
1457                 return true;
1458         }
1459
1460         // no rays survived
1461         return false;
1462 }
1463
1464 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1465 {
1466         int isbmodel;
1467         dp_model_t *model;
1468         prvm_edict_t *ed;
1469         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1470                 return;
1471         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1472         sv.writeentitiestoclient_stats_totalentities++;
1473
1474         if (s->customizeentityforclient)
1475         {
1476                 prog->globals.server->self = s->number;
1477                 prog->globals.server->other = sv.writeentitiestoclient_cliententitynumber;
1478                 PRVM_ExecuteProgram(s->customizeentityforclient, "customizeentityforclient: NULL function");
1479                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1480                         return;
1481         }
1482
1483         // never reject player
1484         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1485         {
1486                 // check various rejection conditions
1487                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1488                         return;
1489                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1490                         return;
1491                 if (s->effects & EF_NODRAW)
1492                         return;
1493                 // LordHavoc: only send entities with a model or important effects
1494                 if (!s->modelindex && s->specialvisibilityradius == 0)
1495                         return;
1496
1497                 isbmodel = (model = sv.models[s->modelindex]) != NULL && model->name[0] == '*';
1498                 // viewmodels don't have visibility checking
1499                 if (s->viewmodelforclient)
1500                 {
1501                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1502                                 return;
1503                 }
1504                 else if (s->tagentity)
1505                 {
1506                         // tag attached entities simply check their parent
1507                         if (!sv.sendentitiesindex[s->tagentity])
1508                                 return;
1509                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1510                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1511                                 return;
1512                 }
1513                 // always send world submodels in newer protocols because they don't
1514                 // generate much traffic (in old protocols they hog bandwidth)
1515                 // but only if sv_cullentities_nevercullbmodels is off
1516                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1517                 {
1518                         // entity has survived every check so far, check if visible
1519                         ed = PRVM_EDICT_NUM(s->number);
1520
1521                         // if not touching a visible leaf
1522                         if (sv_cullentities_pvs.integer && !r_novis.integer && sv.writeentitiestoclient_pvsbytes)
1523                         {
1524                                 if (ed->priv.server->pvs_numclusters < 0)
1525                                 {
1526                                         // entity too big for clusters list
1527                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1528                                         {
1529                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1530                                                 return;
1531                                         }
1532                                 }
1533                                 else
1534                                 {
1535                                         int i;
1536                                         // check cached clusters list
1537                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1538                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1539                                                         break;
1540                                         if (i == ed->priv.server->pvs_numclusters)
1541                                         {
1542                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1543                                                 return;
1544                                         }
1545                                 }
1546                         }
1547
1548                         // or not seen by random tracelines
1549                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel->brush.TraceLineOfSight)
1550                         {
1551                                 int samples =
1552                                         s->number <= svs.maxclients
1553                                                 ? sv_cullentities_trace_samples_players.integer
1554                                                 :
1555                                         s->specialvisibilityradius
1556                                                 ? sv_cullentities_trace_samples_extra.integer
1557                                                 : sv_cullentities_trace_samples.integer;
1558                                 float enlarge = sv_cullentities_trace_enlarge.value;
1559
1560                                 if(samples > 0)
1561                                 {
1562                                         int eyeindex;
1563                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1564                                                 if(SV_CanSeeBox(samples, enlarge, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1565                                                         break;
1566                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1567                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1568                                                         realtime + (
1569                                                                 s->number <= svs.maxclients
1570                                                                         ? sv_cullentities_trace_delay_players.value
1571                                                                         : sv_cullentities_trace_delay.value
1572                                                         );
1573                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1574                                         {
1575                                                 sv.writeentitiestoclient_stats_culled_trace++;
1576                                                 return;
1577                                         }
1578                                 }
1579                         }
1580                 }
1581         }
1582
1583         // this just marks it for sending
1584         // FIXME: it would be more efficient to send here, but the entity
1585         // compressor isn't that flexible
1586         sv.writeentitiestoclient_stats_visibleentities++;
1587         sv.sententities[s->number] = sv.sententitiesmark;
1588 }
1589
1590 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1591 {
1592         qboolean need_empty = false;
1593         int i, numsendstates, numcsqcsendstates;
1594         entity_state_t *s;
1595         prvm_edict_t *camera;
1596         qboolean success;
1597         vec3_t eye;
1598
1599         // if there isn't enough space to accomplish anything, skip it
1600         if (msg->cursize + 25 > maxsize)
1601                 return;
1602
1603         sv.writeentitiestoclient_msg = msg;
1604         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1605
1606         sv.writeentitiestoclient_stats_culled_pvs = 0;
1607         sv.writeentitiestoclient_stats_culled_trace = 0;
1608         sv.writeentitiestoclient_stats_visibleentities = 0;
1609         sv.writeentitiestoclient_stats_totalentities = 0;
1610         sv.writeentitiestoclient_numeyes = 0;
1611
1612         // get eye location
1613         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1614         camera = PRVM_EDICT_NUM( client->clientcamera );
1615         VectorAdd(camera->fields.server->origin, clent->fields.server->view_ofs, eye);
1616         sv.writeentitiestoclient_pvsbytes = 0;
1617         // get the PVS values for the eye location, later FatPVS calls will merge
1618         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1619                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1620
1621         // add the eye to a list for SV_CanSeeBox tests
1622         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1623         sv.writeentitiestoclient_numeyes++;
1624
1625         // calculate predicted eye origin for SV_CanSeeBox tests
1626         if (sv_cullentities_trace_prediction.integer)
1627         {
1628                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1629                 vec3_t predeye;
1630                 VectorMA(eye, predtime, camera->fields.server->velocity, predeye);
1631                 if (SV_CanSeeBox(1, 0, eye, predeye, predeye))
1632                 {
1633                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1634                         sv.writeentitiestoclient_numeyes++;
1635                 }
1636                 //if (!sv.writeentitiestoclient_useprediction)
1637                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1638         }
1639
1640         // TODO: check line of sight to portal entities and add them to PVS
1641
1642         sv.sententitiesmark++;
1643
1644         for (i = 0;i < sv.numsendentities;i++)
1645                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1646
1647         numsendstates = 0;
1648         numcsqcsendstates = 0;
1649         for (i = 0;i < sv.numsendentities;i++)
1650         {
1651                 if (sv.sententities[sv.sendentities[i].number] == sv.sententitiesmark)
1652                 {
1653                         if(sv.sendentities[i].active == ACTIVE_NETWORK)
1654                         {
1655                                 s = &sv.writeentitiestoclient_sendstates[numsendstates++];
1656                                 *s = sv.sendentities[i];
1657                                 if (s->exteriormodelforclient && s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1658                                         s->flags |= RENDER_EXTERIORMODEL;
1659                         }
1660                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1661                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = sv.sendentities[i].number;
1662                         else
1663                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", sv.sendentities[i].number);
1664                 }
1665         }
1666
1667         if (sv_cullentities_stats.integer)
1668                 Con_Printf("client \"%s\" entities: %d total, %d visible, %d culled by: %d pvs %d trace\n", client->name, sv.writeentitiestoclient_stats_totalentities, sv.writeentitiestoclient_stats_visibleentities, sv.writeentitiestoclient_stats_culled_pvs + sv.writeentitiestoclient_stats_culled_trace, sv.writeentitiestoclient_stats_culled_pvs, sv.writeentitiestoclient_stats_culled_trace);
1669
1670         if(client->entitydatabase5)
1671                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1672         else
1673                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1674
1675         if(client->num_skippedentityframes >= 10)
1676                 need_empty = true; // force every 10th frame to be not empty (or cl_movement replay takes too long)
1677
1678         if (client->entitydatabase5)
1679                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1680         else if (client->entitydatabase4)
1681         {
1682                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1683                 Protocol_WriteStatsReliable();
1684         }
1685         else if (client->entitydatabase)
1686         {
1687                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1688                 Protocol_WriteStatsReliable();
1689         }
1690         else
1691         {
1692                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1693                 Protocol_WriteStatsReliable();
1694         }
1695
1696         if(success)
1697                 client->num_skippedentityframes = 0;
1698         else
1699                 ++client->num_skippedentityframes;
1700 }
1701
1702 /*
1703 =============
1704 SV_CleanupEnts
1705
1706 =============
1707 */
1708 static void SV_CleanupEnts (void)
1709 {
1710         int             e;
1711         prvm_edict_t    *ent;
1712
1713         ent = PRVM_NEXT_EDICT(prog->edicts);
1714         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1715                 ent->fields.server->effects = (int)ent->fields.server->effects & ~EF_MUZZLEFLASH;
1716 }
1717
1718 /*
1719 ==================
1720 SV_WriteClientdataToMessage
1721
1722 ==================
1723 */
1724 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1725 {
1726         int             bits;
1727         int             i;
1728         prvm_edict_t    *other;
1729         int             items;
1730         prvm_eval_t     *val;
1731         vec3_t  punchvector;
1732         int             viewzoom;
1733         const char *s;
1734         float   *statsf = (float *)stats;
1735
1736 //
1737 // send a damage message
1738 //
1739         if (ent->fields.server->dmg_take || ent->fields.server->dmg_save)
1740         {
1741                 other = PRVM_PROG_TO_EDICT(ent->fields.server->dmg_inflictor);
1742                 MSG_WriteByte (msg, svc_damage);
1743                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_save);
1744                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_take);
1745                 for (i=0 ; i<3 ; i++)
1746                         MSG_WriteCoord (msg, other->fields.server->origin[i] + 0.5*(other->fields.server->mins[i] + other->fields.server->maxs[i]), sv.protocol);
1747
1748                 ent->fields.server->dmg_take = 0;
1749                 ent->fields.server->dmg_save = 0;
1750         }
1751
1752 //
1753 // send the current viewpos offset from the view entity
1754 //
1755         SV_SetIdealPitch ();            // how much to look up / down ideally
1756
1757 // a fixangle might get lost in a dropped packet.  Oh well.
1758         if(ent->fields.server->fixangle)
1759         {
1760                 // angle fixing was requested by global thinking code...
1761                 // so store the current angles for later use
1762                 memcpy(host_client->fixangle_angles, ent->fields.server->angles, sizeof(host_client->fixangle_angles));
1763                 host_client->fixangle_angles_set = TRUE;
1764
1765                 // and clear fixangle for the next frame
1766                 ent->fields.server->fixangle = 0;
1767         }
1768
1769         if (host_client->fixangle_angles_set)
1770         {
1771                 MSG_WriteByte (msg, svc_setangle);
1772                 for (i=0 ; i < 3 ; i++)
1773                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
1774                 host_client->fixangle_angles_set = FALSE;
1775         }
1776
1777         // stuff the sigil bits into the high bits of items for sbar, or else
1778         // mix in items2
1779         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.items2);
1780         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1781                 items = (int)ent->fields.server->items | ((int)val->_float << 23);
1782         else
1783                 items = (int)ent->fields.server->items | ((int)prog->globals.server->serverflags << 28);
1784
1785         VectorClear(punchvector);
1786         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.punchvector)))
1787                 VectorCopy(val->vector, punchvector);
1788
1789         // cache weapon model name and index in client struct to save time
1790         // (this search can be almost 1% of cpu time!)
1791         s = PRVM_GetString(ent->fields.server->weaponmodel);
1792         if (strcmp(s, client->weaponmodel))
1793         {
1794                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
1795                 client->weaponmodelindex = SV_ModelIndex(s, 1);
1796         }
1797
1798         viewzoom = 255;
1799         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewzoom)))
1800                 viewzoom = (int)(val->_float * 255.0f);
1801         if (viewzoom == 0)
1802                 viewzoom = 255;
1803
1804         bits = 0;
1805
1806         if ((int)ent->fields.server->flags & FL_ONGROUND)
1807                 bits |= SU_ONGROUND;
1808         if (ent->fields.server->waterlevel >= 2)
1809                 bits |= SU_INWATER;
1810         if (ent->fields.server->idealpitch)
1811                 bits |= SU_IDEALPITCH;
1812
1813         for (i=0 ; i<3 ; i++)
1814         {
1815                 if (ent->fields.server->punchangle[i])
1816                         bits |= (SU_PUNCH1<<i);
1817                 if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE && sv.protocol != PROTOCOL_NEHAHRABJP && sv.protocol != PROTOCOL_NEHAHRABJP2 && sv.protocol != PROTOCOL_NEHAHRABJP3)
1818                         if (punchvector[i])
1819                                 bits |= (SU_PUNCHVEC1<<i);
1820                 if (ent->fields.server->velocity[i])
1821                         bits |= (SU_VELOCITY1<<i);
1822         }
1823
1824         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
1825         stats[STAT_VIEWHEIGHT] = (int)ent->fields.server->view_ofs[2];
1826         stats[STAT_ITEMS] = items;
1827         stats[STAT_WEAPONFRAME] = (int)ent->fields.server->weaponframe;
1828         stats[STAT_ARMOR] = (int)ent->fields.server->armorvalue;
1829         stats[STAT_WEAPON] = client->weaponmodelindex;
1830         stats[STAT_HEALTH] = (int)ent->fields.server->health;
1831         stats[STAT_AMMO] = (int)ent->fields.server->currentammo;
1832         stats[STAT_SHELLS] = (int)ent->fields.server->ammo_shells;
1833         stats[STAT_NAILS] = (int)ent->fields.server->ammo_nails;
1834         stats[STAT_ROCKETS] = (int)ent->fields.server->ammo_rockets;
1835         stats[STAT_CELLS] = (int)ent->fields.server->ammo_cells;
1836         stats[STAT_ACTIVEWEAPON] = (int)ent->fields.server->weapon;
1837         stats[STAT_VIEWZOOM] = viewzoom;
1838         stats[STAT_TOTALSECRETS] = (int)prog->globals.server->total_secrets;
1839         stats[STAT_TOTALMONSTERS] = (int)prog->globals.server->total_monsters;
1840         // the QC bumps these itself by sending svc_'s, so we have to keep them
1841         // zero or they'll be corrected by the engine
1842         //stats[STAT_SECRETS] = prog->globals.server->found_secrets;
1843         //stats[STAT_MONSTERS] = prog->globals.server->killed_monsters;
1844
1845         // movement settings for prediction
1846         // note: these are not sent in protocols with lower MAX_CL_STATS limits
1847         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
1848                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
1849         ;
1850         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
1851         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
1852         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
1853         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
1854         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
1855         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
1856         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
1857         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
1858         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
1859         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.gravity);
1860         statsf[STAT_MOVEVARS_ENTGRAVITY] = (val && val->_float != 0) ? val->_float : 1.0f;
1861         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
1862         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
1863         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
1864         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
1865         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
1866         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
1867         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
1868         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
1869         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
1870         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
1871         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
1872         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
1873         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
1874         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
1875         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
1876         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
1877         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
1878         statsf[STAT_FRAGLIMIT] = fraglimit.value;
1879         statsf[STAT_TIMELIMIT] = timelimit.value;
1880
1881         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
1882         {
1883                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
1884                 bits |= SU_ITEMS;
1885                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
1886                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
1887                 bits |= SU_WEAPON;
1888                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
1889                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
1890                         if (viewzoom != 255)
1891                                 bits |= SU_VIEWZOOM;
1892         }
1893
1894         if (bits >= 65536)
1895                 bits |= SU_EXTEND1;
1896         if (bits >= 16777216)
1897                 bits |= SU_EXTEND2;
1898
1899         // send the data
1900         MSG_WriteByte (msg, svc_clientdata);
1901         MSG_WriteShort (msg, bits);
1902         if (bits & SU_EXTEND1)
1903                 MSG_WriteByte(msg, bits >> 16);
1904         if (bits & SU_EXTEND2)
1905                 MSG_WriteByte(msg, bits >> 24);
1906
1907         if (bits & SU_VIEWHEIGHT)
1908                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
1909
1910         if (bits & SU_IDEALPITCH)
1911                 MSG_WriteChar (msg, (int)ent->fields.server->idealpitch);
1912
1913         for (i=0 ; i<3 ; i++)
1914         {
1915                 if (bits & (SU_PUNCH1<<i))
1916                 {
1917                         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
1918                                 MSG_WriteChar(msg, (int)ent->fields.server->punchangle[i]);
1919                         else
1920                                 MSG_WriteAngle16i(msg, ent->fields.server->punchangle[i]);
1921                 }
1922                 if (bits & (SU_PUNCHVEC1<<i))
1923                 {
1924                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1925                                 MSG_WriteCoord16i(msg, punchvector[i]);
1926                         else
1927                                 MSG_WriteCoord32f(msg, punchvector[i]);
1928                 }
1929                 if (bits & (SU_VELOCITY1<<i))
1930                 {
1931                         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1932                                 MSG_WriteChar(msg, (int)(ent->fields.server->velocity[i] * (1.0f / 16.0f)));
1933                         else
1934                                 MSG_WriteCoord32f(msg, ent->fields.server->velocity[i]);
1935                 }
1936         }
1937
1938         if (bits & SU_ITEMS)
1939                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
1940
1941         if (sv.protocol == PROTOCOL_DARKPLACES5)
1942         {
1943                 if (bits & SU_WEAPONFRAME)
1944                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
1945                 if (bits & SU_ARMOR)
1946                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
1947                 if (bits & SU_WEAPON)
1948                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
1949                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1950                 MSG_WriteShort (msg, stats[STAT_AMMO]);
1951                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
1952                 MSG_WriteShort (msg, stats[STAT_NAILS]);
1953                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
1954                 MSG_WriteShort (msg, stats[STAT_CELLS]);
1955                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
1956                 if (bits & SU_VIEWZOOM)
1957                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
1958         }
1959         else if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1960         {
1961                 if (bits & SU_WEAPONFRAME)
1962                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
1963                 if (bits & SU_ARMOR)
1964                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
1965                 if (bits & SU_WEAPON)
1966                 {
1967                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
1968                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
1969                         else
1970                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
1971                 }
1972                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1973                 MSG_WriteByte (msg, stats[STAT_AMMO]);
1974                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
1975                 MSG_WriteByte (msg, stats[STAT_NAILS]);
1976                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
1977                 MSG_WriteByte (msg, stats[STAT_CELLS]);
1978                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
1979                 {
1980                         for (i = 0;i < 32;i++)
1981                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
1982                                         break;
1983                         MSG_WriteByte (msg, i);
1984                 }
1985                 else
1986                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
1987                 if (bits & SU_VIEWZOOM)
1988                 {
1989                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1990                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
1991                         else
1992                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
1993                 }
1994         }
1995 }
1996
1997 void SV_FlushBroadcastMessages(void)
1998 {
1999         int i;
2000         client_t *client;
2001         if (sv.datagram.cursize <= 0)
2002                 return;
2003         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2004         {
2005                 if (!client->spawned || !client->netconnection || client->unreliablemsg.cursize + sv.datagram.cursize > client->unreliablemsg.maxsize || client->unreliablemsg_splitpoints >= (int)(sizeof(client->unreliablemsg_splitpoint)/sizeof(client->unreliablemsg_splitpoint[0])))
2006                         continue;
2007                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2008                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2009         }
2010         SZ_Clear(&sv.datagram);
2011 }
2012
2013 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2014 {
2015         // scan the splitpoints to find out how many we can fit in
2016         int numsegments, j, split;
2017         if (!client->unreliablemsg_splitpoints)
2018                 return;
2019         // always accept the first one if it's within 1024 bytes, this ensures
2020         // that very big datagrams which are over the rate limit still get
2021         // through, just to keep it working
2022         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2023                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2024                         break;
2025         // the first segment gets an exemption from the rate limiting, otherwise
2026         // it could get dropped consistently due to a low rate limit
2027         if (numsegments == 1)
2028                 maxsize = maxsize2;
2029         // some will fit, so add the ones that will fit
2030         split = client->unreliablemsg_splitpoint[numsegments-1];
2031         // note this discards ones that were accepted by the segments scan but
2032         // can not fit, such as a really huge first one that will never ever
2033         // fit in a packet...
2034         if (msg->cursize + split <= maxsize)
2035                 SZ_Write(msg, client->unreliablemsg.data, split);
2036         // remove the part we sent, keeping any remaining data
2037         client->unreliablemsg.cursize -= split;
2038         if (client->unreliablemsg.cursize > 0)
2039                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2040         // adjust remaining splitpoints
2041         client->unreliablemsg_splitpoints -= numsegments;
2042         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2043                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2044 }
2045
2046 /*
2047 =======================
2048 SV_SendClientDatagram
2049 =======================
2050 */
2051 static void SV_SendClientDatagram (client_t *client)
2052 {
2053         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2054         sizebuf_t msg;
2055         int stats[MAX_CL_STATS];
2056         unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2057
2058         // obey rate limit by limiting packet frequency if the packet size
2059         // limiting fails
2060         // (usually this is caused by reliable messages)
2061         if (!NetConn_CanSend(client->netconnection))
2062                 return;
2063
2064         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2065         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2066         if (sv_maxrate.integer != maxrate)
2067                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2068
2069         // clientrate determines the 'cleartime' of a packet
2070         // (how long to wait before sending another, based on this packet's size)
2071         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2072
2073         switch (sv.protocol)
2074         {
2075         case PROTOCOL_QUAKE:
2076         case PROTOCOL_QUAKEDP:
2077         case PROTOCOL_NEHAHRAMOVIE:
2078         case PROTOCOL_NEHAHRABJP:
2079         case PROTOCOL_NEHAHRABJP2:
2080         case PROTOCOL_NEHAHRABJP3:
2081         case PROTOCOL_QUAKEWORLD:
2082                 // no packet size limit support on Quake protocols because it just
2083                 // causes missing entities/effects
2084                 // packets are simply sent less often to obey the rate limit
2085                 maxsize = 1024;
2086                 maxsize2 = 1024;
2087                 break;
2088         case PROTOCOL_DARKPLACES1:
2089         case PROTOCOL_DARKPLACES2:
2090         case PROTOCOL_DARKPLACES3:
2091         case PROTOCOL_DARKPLACES4:
2092                 // no packet size limit support on DP1-4 protocols because they kick
2093                 // the client off if they overflow, and miss effects
2094                 // packets are simply sent less often to obey the rate limit
2095                 maxsize = sizeof(sv_sendclientdatagram_buf);
2096                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2097                 break;
2098         default:
2099                 // DP5 and later protocols support packet size limiting which is a
2100                 // better method than limiting packet frequency as QW does
2101                 //
2102                 // at very low rates (or very small sys_ticrate) the packet size is
2103                 // not reduced below 128, but packets may be sent less often
2104                 maxsize = (int)(clientrate * sys_ticrate.value);
2105                 maxsize = bound(128, maxsize, 1400);
2106                 maxsize2 = 1400;
2107                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2108                 // mods that use csqc (they are likely to use less bandwidth anyway)
2109                 if (sv.csqc_progsize > 0)
2110                         maxsize = maxsize2;
2111                 break;
2112         }
2113
2114         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2115         {
2116                 // for good singleplayer, send huge packets
2117                 maxsize = sizeof(sv_sendclientdatagram_buf);
2118                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2119                 // never limit frequency in singleplayer
2120                 clientrate = 1000000000;
2121         }
2122
2123         // while downloading, limit entity updates to half the packet
2124         // (any leftover space will be used for downloading)
2125         if (host_client->download_file)
2126                 maxsize /= 2;
2127
2128         msg.data = sv_sendclientdatagram_buf;
2129         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2130         msg.cursize = 0;
2131         msg.allowoverflow = false;
2132
2133         if (host_client->spawned)
2134         {
2135                 // the player is in the game
2136                 MSG_WriteByte (&msg, svc_time);
2137                 MSG_WriteFloat (&msg, sv.time);
2138
2139                 // add the client specific data to the datagram
2140                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2141                 // now update the stats[] array using any registered custom fields
2142                 VM_SV_UpdateCustomStats (client, client->edict, &msg, stats);
2143                 // set host_client->statsdeltabits
2144                 Protocol_UpdateClientStats (stats);
2145
2146                 // add as many queued unreliable messages (effects) as we can fit
2147                 // limit effects to half of the remaining space
2148                 if (client->unreliablemsg.cursize)
2149                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2150
2151                 // now write as many entities as we can fit, and also sends stats
2152                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2153         }
2154         else if (realtime > client->keepalivetime)
2155         {
2156                 // the player isn't totally in the game yet
2157                 // send small keepalive messages if too much time has passed
2158                 // (may also be sending downloads)
2159                 client->keepalivetime = realtime + 5;
2160                 MSG_WriteChar (&msg, svc_nop);
2161         }
2162
2163         // if a download is active, see if there is room to fit some download data
2164         // in this packet
2165         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2166         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2167         {
2168                 fs_offset_t downloadstart;
2169                 unsigned char data[1400];
2170                 downloadstart = FS_Tell(host_client->download_file);
2171                 downloadsize = min(downloadsize, (int)sizeof(data));
2172                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2173                 // note this sends empty messages if at the end of the file, which is
2174                 // necessary to keep the packet loss logic working
2175                 // (the last blocks may be lost and need to be re-sent, and that will
2176                 //  only occur if the client acks the empty end messages, revealing
2177                 //  a gap in the download progress, causing the last blocks to be
2178                 //  sent again)
2179                 MSG_WriteChar (&msg, svc_downloaddata);
2180                 MSG_WriteLong (&msg, downloadstart);
2181                 MSG_WriteShort (&msg, downloadsize);
2182                 if (downloadsize > 0)
2183                         SZ_Write (&msg, data, downloadsize);
2184         }
2185
2186         // reliable only if none is in progress
2187         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2188                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2189         // unreliable
2190         SV_WriteDemoMessage(client, &msg, false);
2191
2192 // send the datagram
2193         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2194         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2195                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2196 }
2197
2198 /*
2199 =======================
2200 SV_UpdateToReliableMessages
2201 =======================
2202 */
2203 static void SV_UpdateToReliableMessages (void)
2204 {
2205         int i, j;
2206         client_t *client;
2207         prvm_eval_t *val;
2208         const char *name;
2209         const char *model;
2210         const char *skin;
2211
2212 // check for changes to be sent over the reliable streams
2213         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2214         {
2215                 // update the host_client fields we care about according to the entity fields
2216                 host_client->edict = PRVM_EDICT_NUM(i+1);
2217
2218                 // DP_SV_CLIENTNAME
2219                 name = PRVM_GetString(host_client->edict->fields.server->netname);
2220                 if (name == NULL)
2221                         name = "";
2222                 // always point the string back at host_client->name to keep it safe
2223                 strlcpy (host_client->name, name, sizeof (host_client->name));
2224                 host_client->edict->fields.server->netname = PRVM_SetEngineString(host_client->name);
2225                 if (strcmp(host_client->old_name, host_client->name))
2226                 {
2227                         if (host_client->spawned)
2228                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2229                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2230                         // send notification to all clients
2231                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2232                         MSG_WriteByte (&sv.reliable_datagram, i);
2233                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2234                         SV_WriteNetnameIntoDemo(host_client);
2235                 }
2236
2237                 // DP_SV_CLIENTCOLORS
2238                 // this is always found (since it's added by the progs loader)
2239                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcolors)))
2240                         host_client->colors = (int)val->_float;
2241                 if (host_client->old_colors != host_client->colors)
2242                 {
2243                         host_client->old_colors = host_client->colors;
2244                         // send notification to all clients
2245                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2246                         MSG_WriteByte (&sv.reliable_datagram, i);
2247                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2248                 }
2249
2250                 // NEXUIZ_PLAYERMODEL
2251                 if( prog->fieldoffsets.playermodel >= 0 ) {
2252                         model = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string);
2253                         if (model == NULL)
2254                                 model = "";
2255                         // always point the string back at host_client->name to keep it safe
2256                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2257                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(host_client->playermodel);
2258                 }
2259
2260                 // NEXUIZ_PLAYERSKIN
2261                 if( prog->fieldoffsets.playerskin >= 0 ) {
2262                         skin = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string);
2263                         if (skin == NULL)
2264                                 skin = "";
2265                         // always point the string back at host_client->name to keep it safe
2266                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2267                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(host_client->playerskin);
2268                 }
2269
2270                 // TODO: add an extension name for this [1/17/2008 Black]
2271                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcamera)) && val->edict > 0 ) {
2272                         int oldclientcamera = host_client->clientcamera;
2273                         if( val->edict >= prog->max_edicts || PRVM_EDICT_NUM( val->edict )->priv.required->free ) {
2274                                 val->edict = host_client->clientcamera = PRVM_NUM_FOR_EDICT( host_client->edict );
2275                         } else {
2276                                 host_client->clientcamera = val->edict;
2277                         }
2278
2279                         if( oldclientcamera != host_client->clientcamera ) {
2280                                 MSG_WriteByte (&sv.reliable_datagram, svc_setview );
2281                                 MSG_WriteShort (&host_client->netconnection->message, host_client->clientcamera);
2282                         }
2283                 }
2284
2285                 // frags
2286                 host_client->frags = (int)host_client->edict->fields.server->frags;
2287                 if(gamemode == GAME_NEXUIZ)
2288                         if(!host_client->spawned && host_client->netconnection)
2289                                 host_client->frags = -666;
2290                 if (host_client->old_frags != host_client->frags)
2291                 {
2292                         host_client->old_frags = host_client->frags;
2293                         // send notification to all clients
2294                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2295                         MSG_WriteByte (&sv.reliable_datagram, i);
2296                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2297                 }
2298         }
2299
2300         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2301                 if (client->netconnection && (client->spawned || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2302                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2303
2304         SZ_Clear (&sv.reliable_datagram);
2305 }
2306
2307
2308 /*
2309 =======================
2310 SV_SendClientMessages
2311 =======================
2312 */
2313 void SV_SendClientMessages (void)
2314 {
2315         int i, prepared = false;
2316
2317         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2318                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2319
2320         SV_FlushBroadcastMessages();
2321
2322 // update frags, names, etc
2323         SV_UpdateToReliableMessages();
2324
2325 // build individual updates
2326         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2327         {
2328                 if (!host_client->active)
2329                         continue;
2330                 if (!host_client->netconnection)
2331                         continue;
2332
2333                 if (host_client->netconnection->message.overflowed)
2334                 {
2335                         SV_DropClient (true);   // if the message couldn't send, kick off
2336                         continue;
2337                 }
2338
2339                 if (!prepared)
2340                 {
2341                         prepared = true;
2342                         // only prepare entities once per frame
2343                         SV_PrepareEntitiesForSending();
2344                 }
2345                 SV_SendClientDatagram (host_client);
2346         }
2347
2348 // clear muzzle flashes
2349         SV_CleanupEnts();
2350 }
2351
2352 static void SV_StartDownload_f(void)
2353 {
2354         if (host_client->download_file)
2355                 host_client->download_started = true;
2356 }
2357
2358 /*
2359  * Compression extension negotiation:
2360  *
2361  * Server to client:
2362  *   cl_serverextension_download 2
2363  *
2364  * Client to server:
2365  *   download <filename> <list of zero or more suppported compressions in order of preference>
2366  * e.g.
2367  *   download maps/map1.bsp lzo deflate huffman
2368  *
2369  * Server to client:
2370  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2371  * e.g.
2372  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2373  *
2374  * The server may choose not to compress the file by sending no compression name, like:
2375  *   cl_downloadbegin 345678 maps/map1.bsp
2376  *
2377  * NOTE: the "download" command may only specify compression algorithms if
2378  *       cl_serverextension_download is 2!
2379  *       If cl_serverextension_download has a different value, the client must
2380  *       assume this extension is not supported!
2381  */
2382
2383 static void Download_CheckExtensions(void)
2384 {
2385         int i;
2386         int argc = Cmd_Argc();
2387
2388         // first reset them all
2389         host_client->download_deflate = false;
2390
2391         for(i = 2; i < argc; ++i)
2392         {
2393                 if(!strcmp(Cmd_Argv(i), "deflate"))
2394                 {
2395                         host_client->download_deflate = true;
2396                         break;
2397                 }
2398         }
2399 }
2400
2401 static void SV_Download_f(void)
2402 {
2403         const char *whichpack, *whichpack2, *extension;
2404         qboolean is_csqc; // so we need to check only once
2405
2406         if (Cmd_Argc() < 2)
2407         {
2408                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2409                 SV_ClientPrintf("       supported extensions: deflate\n");
2410                 return;
2411         }
2412
2413         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2414         {
2415                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2416                 return;
2417         }
2418
2419         if (host_client->download_file)
2420         {
2421                 // at this point we'll assume the previous download should be aborted
2422                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2423                 Host_ClientCommands("\nstopdownload\n");
2424
2425                 // close the file and reset variables
2426                 FS_Close(host_client->download_file);
2427                 host_client->download_file = NULL;
2428                 host_client->download_name[0] = 0;
2429                 host_client->download_expectedposition = 0;
2430                 host_client->download_started = false;
2431         }
2432
2433         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2434
2435         if (!sv_allowdownloads.integer && !is_csqc)
2436         {
2437                 SV_ClientPrintf("Downloads are disabled on this server\n");
2438                 Host_ClientCommands("\nstopdownload\n");
2439                 return;
2440         }
2441
2442         Download_CheckExtensions();
2443
2444         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2445         extension = FS_FileExtension(host_client->download_name);
2446
2447         // host_client is asking to download a specified file
2448         if (developer.integer >= 100)
2449                 Con_Printf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2450
2451         if(is_csqc)
2452         {
2453                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2454                 extensions[0] = '\0';
2455
2456                 if(host_client->download_deflate)
2457                         strlcat(extensions, " deflate", sizeof(extensions));
2458
2459                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2460
2461                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2462                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2463                 else
2464                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2465
2466                 // no, no space is needed between %s and %s :P
2467                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2468
2469                 host_client->download_expectedposition = 0;
2470                 host_client->download_started = false;
2471                 host_client->sendsignon = true; // make sure this message is sent
2472                 return;
2473         }
2474
2475         if (!FS_FileExists(host_client->download_name))
2476         {
2477                 SV_ClientPrintf("Download rejected: server does not have the file \"%s\"\nYou may need to separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
2478                 Host_ClientCommands("\nstopdownload\n");
2479                 return;
2480         }
2481
2482         // check if the user is trying to download part of registered Quake(r)
2483         whichpack = FS_WhichPack(host_client->download_name);
2484         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2485         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2486         {
2487                 SV_ClientPrintf("Download rejected: file \"%s\" is part of registered Quake(r)\nYou must purchase Quake(r) from id Software or a retailer to get this file\nPlease go to http://www.idsoftware.com/games/quake/quake/index.php?game_section=buy\n", host_client->download_name);
2488                 Host_ClientCommands("\nstopdownload\n");
2489                 return;
2490         }
2491
2492         // check if the server has forbidden archive downloads entirely
2493         if (!sv_allowdownloads_inarchive.integer)
2494         {
2495                 whichpack = FS_WhichPack(host_client->download_name);
2496                 if (whichpack)
2497                 {
2498                         SV_ClientPrintf("Download rejected: file \"%s\" is in an archive (\"%s\")\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name, whichpack);
2499                         Host_ClientCommands("\nstopdownload\n");
2500                         return;
2501                 }
2502         }
2503
2504         if (!sv_allowdownloads_config.integer)
2505         {
2506                 if (!strcasecmp(extension, "cfg"))
2507                 {
2508                         SV_ClientPrintf("Download rejected: file \"%s\" is a .cfg file which is forbidden for security reasons\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
2509                         Host_ClientCommands("\nstopdownload\n");
2510                         return;
2511                 }
2512         }
2513
2514         if (!sv_allowdownloads_dlcache.integer)
2515         {
2516                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2517                 {
2518                         SV_ClientPrintf("Download rejected: file \"%s\" is in the dlcache/ directory which is forbidden for security reasons\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
2519                         Host_ClientCommands("\nstopdownload\n");
2520                         return;
2521                 }
2522         }
2523
2524         if (!sv_allowdownloads_archive.integer)
2525         {
2526                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2527                 {
2528                         SV_ClientPrintf("Download rejected: file \"%s\" is an archive\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
2529                         Host_ClientCommands("\nstopdownload\n");
2530                         return;
2531                 }
2532         }
2533
2534         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2535         if (!host_client->download_file)
2536         {
2537                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2538                 Host_ClientCommands("\nstopdownload\n");
2539                 return;
2540         }
2541
2542         if (FS_FileSize(host_client->download_file) > 1<<30)
2543         {
2544                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2545                 Host_ClientCommands("\nstopdownload\n");
2546                 FS_Close(host_client->download_file);
2547                 host_client->download_file = NULL;
2548                 return;
2549         }
2550
2551         if (FS_FileSize(host_client->download_file) < 0)
2552         {
2553                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2554                 Host_ClientCommands("\nstopdownload\n");
2555                 FS_Close(host_client->download_file);
2556                 host_client->download_file = NULL;
2557                 return;
2558         }
2559
2560         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2561
2562         /*
2563          * we can only do this if we would actually deflate on the fly
2564          * which we do not (yet)!
2565         {
2566                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2567                 extensions[0] = '\0';
2568
2569                 if(host_client->download_deflate)
2570                         strlcat(extensions, " deflate", sizeof(extensions));
2571
2572                 // no, no space is needed between %s and %s :P
2573                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2574         }
2575         */
2576         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2577
2578         host_client->download_expectedposition = 0;
2579         host_client->download_started = false;
2580         host_client->sendsignon = true; // make sure this message is sent
2581
2582         // the rest of the download process is handled in SV_SendClientDatagram
2583         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2584         //
2585         // no svc_downloaddata messages will be sent until sv_startdownload is
2586         // sent by the client
2587 }
2588
2589 /*
2590 ==============================================================================
2591
2592 SERVER SPAWNING
2593
2594 ==============================================================================
2595 */
2596
2597 /*
2598 ================
2599 SV_ModelIndex
2600
2601 ================
2602 */
2603 int SV_ModelIndex(const char *s, int precachemode)
2604 {
2605         int i, limit = ((sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3) ? 256 : MAX_MODELS);
2606         char filename[MAX_QPATH];
2607         if (!s || !*s)
2608                 return 0;
2609         // testing
2610         //if (precachemode == 2)
2611         //      return 0;
2612         strlcpy(filename, s, sizeof(filename));
2613         for (i = 2;i < limit;i++)
2614         {
2615                 if (!sv.model_precache[i][0])
2616                 {
2617                         if (precachemode)
2618                         {
2619                                 if (sv.state != ss_loading && (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5))
2620                                 {
2621                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2622                                         return 0;
2623                                 }
2624                                 if (precachemode == 1)
2625                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2626                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2627                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.modelname : NULL);
2628                                 if (sv.state != ss_loading)
2629                                 {
2630                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2631                                         MSG_WriteShort(&sv.reliable_datagram, i);
2632                                         MSG_WriteString(&sv.reliable_datagram, filename);
2633                                 }
2634                                 return i;
2635                         }
2636                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2637                         return 0;
2638                 }
2639                 if (!strcmp(sv.model_precache[i], filename))
2640                         return i;
2641         }
2642         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2643         return 0;
2644 }
2645
2646 /*
2647 ================
2648 SV_SoundIndex
2649
2650 ================
2651 */
2652 int SV_SoundIndex(const char *s, int precachemode)
2653 {
2654         int i, limit = ((sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3) ? 256 : MAX_SOUNDS);
2655         char filename[MAX_QPATH];
2656         if (!s || !*s)
2657                 return 0;
2658         // testing
2659         //if (precachemode == 2)
2660         //      return 0;
2661         strlcpy(filename, s, sizeof(filename));
2662         for (i = 1;i < limit;i++)
2663         {
2664                 if (!sv.sound_precache[i][0])
2665                 {
2666                         if (precachemode)
2667                         {
2668                                 if (sv.state != ss_loading && (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5))
2669                                 {
2670                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2671                                         return 0;
2672                                 }
2673                                 if (precachemode == 1)
2674                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2675                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2676                                 if (sv.state != ss_loading)
2677                                 {
2678                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2679                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2680                                         MSG_WriteString(&sv.reliable_datagram, filename);
2681                                 }
2682                                 return i;
2683                         }
2684                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2685                         return 0;
2686                 }
2687                 if (!strcmp(sv.sound_precache[i], filename))
2688                         return i;
2689         }
2690         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2691         return 0;
2692 }
2693
2694 /*
2695 ================
2696 SV_ParticleEffectIndex
2697
2698 ================
2699 */
2700 int SV_ParticleEffectIndex(const char *name)
2701 {
2702         int i, argc, linenumber, effectnameindex;
2703         fs_offset_t filesize;
2704         unsigned char *filedata;
2705         const char *text, *textstart, *textend;
2706         char argv[16][1024];
2707         if (!sv.particleeffectnamesloaded)
2708         {
2709                 sv.particleeffectnamesloaded = true;
2710                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2711                 for (i = 0;i < EFFECT_TOTAL;i++)
2712                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2713                 filedata = FS_LoadFile("effectinfo.txt", tempmempool, true, &filesize);
2714                 if (filedata)
2715                 {
2716                         textstart = (const char *)filedata;
2717                         textend = (const char *)filedata + filesize;
2718                         text = textstart;
2719                         for (linenumber = 1;;linenumber++)
2720                         {
2721                                 argc = 0;
2722                                 for (;;)
2723                                 {
2724                                         if (!COM_ParseToken_Simple(&text, true, false) || !strcmp(com_token, "\n"))
2725                                                 break;
2726                                         if (argc < 16)
2727                                         {
2728                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2729                                                 argc++;
2730                                         }
2731                                 }
2732                                 if (com_token[0] == 0)
2733                                         break; // if the loop exited and it's not a \n, it's EOF
2734                                 if (argc < 1)
2735                                         continue;
2736                                 if (!strcmp(argv[0], "effect"))
2737                                 {
2738                                         if (argc == 2)
2739                                         {
2740                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
2741                                                 {
2742                                                         if (sv.particleeffectname[effectnameindex][0])
2743                                                         {
2744                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
2745                                                                         break;
2746                                                         }
2747                                                         else
2748                                                         {
2749                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
2750                                                                 break;
2751                                                         }
2752                                                 }
2753                                                 // if we run out of names, abort
2754                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
2755                                                 {
2756                                                         Con_Printf("effectinfo.txt:%i: too many effects!\n", linenumber);
2757                                                         break;
2758                                                 }
2759                                         }
2760                                 }
2761                         }
2762                         Mem_Free(filedata);
2763                 }
2764         }
2765         // search for the name
2766         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
2767                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
2768                         return effectnameindex;
2769         // return 0 if we couldn't find it
2770         return 0;
2771 }
2772
2773 /*
2774 ================
2775 SV_CreateBaseline
2776
2777 ================
2778 */
2779 static void SV_CreateBaseline (void)
2780 {
2781         int i, entnum, large;
2782         prvm_edict_t *svent;
2783
2784         // LordHavoc: clear *all* states (note just active ones)
2785         for (entnum = 0;entnum < prog->max_edicts;entnum++)
2786         {
2787                 // get the current server version
2788                 svent = PRVM_EDICT_NUM(entnum);
2789
2790                 // LordHavoc: always clear state values, whether the entity is in use or not
2791                 svent->priv.server->baseline = defaultstate;
2792
2793                 if (svent->priv.server->free)
2794                         continue;
2795                 if (entnum > svs.maxclients && !svent->fields.server->modelindex)
2796                         continue;
2797
2798                 // create entity baseline
2799                 VectorCopy (svent->fields.server->origin, svent->priv.server->baseline.origin);
2800                 VectorCopy (svent->fields.server->angles, svent->priv.server->baseline.angles);
2801                 svent->priv.server->baseline.frame = (int)svent->fields.server->frame;
2802                 svent->priv.server->baseline.skin = (int)svent->fields.server->skin;
2803                 if (entnum > 0 && entnum <= svs.maxclients)
2804                 {
2805                         svent->priv.server->baseline.colormap = entnum;
2806                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
2807                 }
2808                 else
2809                 {
2810                         svent->priv.server->baseline.colormap = 0;
2811                         svent->priv.server->baseline.modelindex = (int)svent->fields.server->modelindex;
2812                 }
2813
2814                 large = false;
2815                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
2816                 {
2817                         large = true;
2818                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2819                                 large = false;
2820                 }
2821
2822                 // add to the message
2823                 if (large)
2824                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
2825                 else
2826                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
2827                 MSG_WriteShort (&sv.signon, entnum);
2828
2829                 if (large)
2830                 {
2831                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2832                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
2833                 }
2834                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2835                 {
2836                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2837                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2838                 }
2839                 else
2840                 {
2841                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
2842                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2843                 }
2844                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
2845                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
2846                 for (i=0 ; i<3 ; i++)
2847                 {
2848                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
2849                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
2850                 }
2851         }
2852 }
2853
2854 /*
2855 ================
2856 SV_Prepare_CSQC
2857
2858 Load csprogs.dat and comperss it so it doesn't need to be
2859 reloaded on request.
2860 ================
2861 */
2862 void SV_Prepare_CSQC(void)
2863 {
2864         fs_offset_t progsize;
2865
2866         if(svs.csqc_progdata)
2867         {
2868                 Con_DPrintf("Unloading old CSQC data.\n");
2869                 Mem_Free(svs.csqc_progdata);
2870                 if(svs.csqc_progdata_deflated)
2871                         Mem_Free(svs.csqc_progdata_deflated);
2872         }
2873
2874         svs.csqc_progdata = NULL;
2875         svs.csqc_progdata_deflated = NULL;
2876
2877         Con_Print("Loading csprogs.dat\n");
2878
2879         sv.csqc_progname[0] = 0;
2880         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
2881
2882         if(progsize > 0)
2883         {
2884                 size_t deflated_size;
2885
2886                 sv.csqc_progsize = (int)progsize;
2887                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
2888                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
2889                 Con_Printf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
2890
2891                 Con_Print("Compressing csprogs.dat\n");
2892                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
2893                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
2894                 svs.csqc_progsize_deflated = (int)deflated_size;
2895                 if(svs.csqc_progdata_deflated)
2896                 {
2897                         Con_Printf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
2898                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
2899                 }
2900                 else
2901                         Con_Printf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
2902         }
2903 }
2904
2905 /*
2906 ================
2907 SV_SaveSpawnparms
2908
2909 Grabs the current state of each client for saving across the
2910 transition to another level
2911 ================
2912 */
2913 void SV_SaveSpawnparms (void)
2914 {
2915         int             i, j;
2916
2917         svs.serverflags = (int)prog->globals.server->serverflags;
2918
2919         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2920         {
2921                 if (!host_client->active)
2922                         continue;
2923
2924         // call the progs to get default spawn parms for the new client
2925                 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
2926                 PRVM_ExecuteProgram (prog->globals.server->SetChangeParms, "QC function SetChangeParms is missing");
2927                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
2928                         host_client->spawn_parms[j] = (&prog->globals.server->parm1)[j];
2929         }
2930 }
2931
2932 /*
2933 ================
2934 SV_SpawnServer
2935
2936 This is called at the start of each level
2937 ================
2938 */
2939
2940 void SV_SpawnServer (const char *server)
2941 {
2942         prvm_edict_t *ent;
2943         int i;
2944         char *entities;
2945         dp_model_t *worldmodel;
2946         char modelname[sizeof(sv.modelname)];
2947
2948         Con_DPrintf("SpawnServer: %s\n", server);
2949
2950         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
2951
2952         if (!FS_FileExists(modelname))
2953         {
2954                 Con_Printf("SpawnServer: no map file named %s\n", modelname);
2955                 return;
2956         }
2957
2958         if (cls.state != ca_dedicated)
2959         {
2960                 SCR_BeginLoadingPlaque();
2961                 S_StopAllSounds();
2962         }
2963
2964         if(sv.active)
2965         {
2966                 SV_VM_Begin();
2967                 World_End(&sv.world);
2968                 if(prog->funcoffsets.SV_Shutdown)
2969                 {
2970                         func_t s = prog->funcoffsets.SV_Shutdown;
2971                         prog->funcoffsets.SV_Shutdown = 0; // prevent it from getting called again
2972                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
2973                 }
2974                 SV_VM_End();
2975         }
2976
2977         // free q3 shaders so that any newly downloaded shaders will be active
2978         Mod_FreeQ3Shaders();
2979
2980         worldmodel = Mod_ForName(modelname, false, true, NULL);
2981         if (!worldmodel || !worldmodel->TraceBox)
2982         {
2983                 Con_Printf("Couldn't load map %s\n", modelname);
2984                 return;
2985         }
2986
2987         // let's not have any servers with no name
2988         if (hostname.string[0] == 0)
2989                 Cvar_Set ("hostname", "UNNAMED");
2990         scr_centertime_off = 0;
2991
2992         svs.changelevel_issued = false;         // now safe to issue another
2993
2994         // make the map a required file for clients
2995         Curl_ClearRequirements();
2996         Curl_RequireFile(modelname);
2997
2998 //
2999 // tell all connected clients that we are going to a new level
3000 //
3001         if (sv.active)
3002         {
3003                 client_t *client;
3004                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3005                 {
3006                         if (client->netconnection)
3007                         {
3008                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3009                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3010                         }
3011                 }
3012         }
3013         else
3014         {
3015                 // open server port
3016                 NetConn_OpenServerPorts(true);
3017         }
3018
3019 //
3020 // make cvars consistant
3021 //
3022         if (coop.integer)
3023                 Cvar_SetValue ("deathmatch", 0);
3024         // LordHavoc: it can be useful to have skills outside the range 0-3...
3025         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3026         //Cvar_SetValue ("skill", (float)current_skill);
3027         current_skill = (int)(skill.value + 0.5);
3028
3029 //
3030 // set up the new server
3031 //
3032         memset (&sv, 0, sizeof(sv));
3033         // if running a local client, make sure it doesn't try to access the last
3034         // level's data which is no longer valiud
3035         cls.signon = 0;
3036
3037         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
3038
3039         if(*sv_random_seed.string)
3040         {
3041                 srand(sv_random_seed.integer);
3042                 Con_Printf("NOTE: random seed is %d; use for debugging/benchmarking only!\nUnset sv_random_seed to get real random numbers again.\n", sv_random_seed.integer);
3043         }
3044
3045         SV_VM_Setup();
3046
3047         sv.active = true;
3048
3049         strlcpy (sv.name, server, sizeof (sv.name));
3050
3051         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3052         if (sv.protocol == PROTOCOL_UNKNOWN)
3053         {
3054                 char buffer[1024];
3055                 Protocol_Names(buffer, sizeof(buffer));
3056                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3057                 sv.protocol = PROTOCOL_QUAKE;
3058         }
3059
3060         SV_VM_Begin();
3061
3062 // load progs to get entity field count
3063         //PR_LoadProgs ( sv_progs.string );
3064
3065         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3066         sv.datagram.cursize = 0;
3067         sv.datagram.data = sv.datagram_buf;
3068
3069         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3070         sv.reliable_datagram.cursize = 0;
3071         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3072
3073         sv.signon.maxsize = sizeof(sv.signon_buf);
3074         sv.signon.cursize = 0;
3075         sv.signon.data = sv.signon_buf;
3076
3077 // leave slots at start for clients only
3078         //prog->num_edicts = svs.maxclients+1;
3079
3080         sv.state = ss_loading;
3081         prog->allowworldwrites = true;
3082         sv.paused = false;
3083
3084         prog->globals.server->time = sv.time = 1.0;
3085
3086         Mod_ClearUsed();
3087         worldmodel->used = true;
3088
3089         strlcpy (sv.name, server, sizeof (sv.name));
3090         strlcpy(sv.modelname, modelname, sizeof(sv.modelname));
3091         sv.worldmodel = worldmodel;
3092         sv.models[1] = sv.worldmodel;
3093
3094 //
3095 // clear world interaction links
3096 //
3097         World_SetSize(&sv.world, sv.worldmodel->name, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs);
3098         World_Start(&sv.world);
3099
3100         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3101
3102         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3103         strlcpy(sv.model_precache[1], sv.modelname, sizeof(sv.model_precache[1]));
3104         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3105         {
3106                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3107                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.modelname);
3108         }
3109         if(i < sv.worldmodel->brush.numsubmodels)
3110                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3111
3112 //
3113 // load the rest of the entities
3114 //
3115         // AK possible hack since num_edicts is still 0
3116         ent = PRVM_EDICT_NUM(0);
3117         memset (ent->fields.server, 0, prog->progs->entityfields * 4);
3118         ent->priv.server->free = false;
3119         ent->fields.server->model = PRVM_SetEngineString(sv.modelname);
3120         ent->fields.server->modelindex = 1;             // world model
3121         ent->fields.server->solid = SOLID_BSP;
3122         ent->fields.server->movetype = MOVETYPE_PUSH;
3123         VectorCopy(sv.world.mins, ent->fields.server->mins);
3124         VectorCopy(sv.world.maxs, ent->fields.server->maxs);
3125         VectorCopy(sv.world.mins, ent->fields.server->absmin);
3126         VectorCopy(sv.world.maxs, ent->fields.server->absmax);
3127
3128         if (coop.value)
3129                 prog->globals.server->coop = coop.integer;
3130         else
3131                 prog->globals.server->deathmatch = deathmatch.integer;
3132
3133         prog->globals.server->mapname = PRVM_SetEngineString(sv.name);
3134
3135 // serverflags are for cross level information (sigils)
3136         prog->globals.server->serverflags = svs.serverflags;
3137
3138         // we need to reset the spawned flag on all connected clients here so that
3139         // their thinks don't run during startup (before PutClientInServer)
3140         // we also need to set up the client entities now
3141         // and we need to set the ->edict pointers to point into the progs edicts
3142         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3143         {
3144                 host_client->spawned = false;
3145                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3146                 PRVM_ED_ClearEdict(host_client->edict);
3147         }
3148
3149         // load replacement entity file if found
3150         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va("maps/%s.ent", sv.name), tempmempool, true, NULL)))
3151         {
3152                 Con_Printf("Loaded maps/%s.ent\n", sv.name);
3153                 PRVM_ED_LoadFromFile (entities);
3154                 Mem_Free(entities);
3155         }
3156         else
3157                 PRVM_ED_LoadFromFile (sv.worldmodel->brush.entities);
3158
3159
3160         // LordHavoc: clear world angles (to fix e3m3.bsp)
3161         VectorClear(prog->edicts->fields.server->angles);
3162
3163 // all setup is completed, any further precache statements are errors
3164 //      sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3165         prog->allowworldwrites = false;
3166
3167 // run two frames to allow everything to settle
3168         prog->globals.server->time = sv.time = 1.0001;
3169         for (i = 0;i < 2;i++)
3170         {
3171                 sv.frametime = 0.1;
3172                 SV_Physics ();
3173         }
3174
3175         if (cls.state == ca_dedicated)
3176                 Mod_PurgeUnused();
3177
3178 // create a baseline for more efficient communications
3179         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3180                 SV_CreateBaseline ();
3181
3182         sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3183
3184         // to prevent network timeouts
3185         realtime = Sys_DoubleTime();
3186
3187 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3188         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3189         {
3190                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3191                 if (!host_client->active)
3192                         continue;
3193                 if (host_client->netconnection)
3194                         SV_SendServerinfo(host_client);
3195                 else
3196                 {
3197                         int j;
3198                         // if client is a botclient coming from a level change, we need to
3199                         // set up client info that normally requires networking
3200
3201                         // copy spawn parms out of the client_t
3202                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3203                                 (&prog->globals.server->parm1)[j] = host_client->spawn_parms[j];
3204
3205                         // call the spawn function
3206                         host_client->clientconnectcalled = true;
3207                         prog->globals.server->time = sv.time;
3208                         prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
3209                         PRVM_ExecuteProgram (prog->globals.server->ClientConnect, "QC function ClientConnect is missing");
3210                         PRVM_ExecuteProgram (prog->globals.server->PutClientInServer, "QC function PutClientInServer is missing");
3211                         host_client->spawned = true;
3212                 }
3213         }
3214
3215         Con_DPrint("Server spawned.\n");
3216         NetConn_Heartbeat (2);
3217
3218         SV_VM_End();
3219 }
3220
3221 /////////////////////////////////////////////////////
3222 // SV VM stuff
3223
3224 static void SV_VM_CB_BeginIncreaseEdicts(void)
3225 {
3226         // links don't survive the transition, so unlink everything
3227         World_UnlinkAll(&sv.world);
3228 }
3229
3230 static void SV_VM_CB_EndIncreaseEdicts(void)
3231 {
3232         int i;
3233         prvm_edict_t *ent;
3234
3235         // link every entity except world
3236         for (i = 1, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
3237                 if (!ent->priv.server->free)
3238                         SV_LinkEdict(ent);
3239 }
3240
3241 static void SV_VM_CB_InitEdict(prvm_edict_t *e)
3242 {
3243         // LordHavoc: for consistency set these here
3244         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3245
3246         e->priv.server->move = false; // don't move on first frame
3247
3248         if (num >= 0 && num < svs.maxclients)
3249         {
3250                 prvm_eval_t *val;
3251                 // set colormap and team on newly created player entity
3252                 e->fields.server->colormap = num + 1;
3253                 e->fields.server->team = (svs.clients[num].colors & 15) + 1;
3254                 // set netname/clientcolors back to client values so that
3255                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3256                 // reset them
3257                 e->fields.server->netname = PRVM_SetEngineString(svs.clients[num].name);
3258                 if ((val = PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.clientcolors)))
3259                         val->_float = svs.clients[num].colors;
3260                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3261                 if( prog->fieldoffsets.playermodel >= 0 )
3262                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(svs.clients[num].playermodel);
3263                 if( prog->fieldoffsets.playerskin >= 0 )
3264                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(svs.clients[num].playerskin);
3265                 // Assign netaddress (IP Address, etc)
3266                 if(prog->fieldoffsets.netaddress >= 0)
3267                 { // Valid Field; Process
3268                         if(svs.clients[num].netconnection != NULL)
3269                         {// Valid Address; Assign
3270                                 // Acquire Readable Address
3271                                 LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3272                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.netaddress)->string = PRVM_SetEngineString(svs.clients[num].netaddress);
3273                         }
3274                         else
3275                                 // Invalid / Bot
3276                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.netaddress)->string = PRVM_SetEngineString("null/botclient");
3277                 }
3278         }
3279 }
3280
3281 static void SV_VM_CB_FreeEdict(prvm_edict_t *ed)
3282 {
3283         int i;
3284         int e;
3285
3286         World_UnlinkEdict(ed);          // unlink from world bsp
3287
3288         ed->fields.server->model = 0;
3289         ed->fields.server->takedamage = 0;
3290         ed->fields.server->modelindex = 0;
3291         ed->fields.server->colormap = 0;
3292         ed->fields.server->skin = 0;
3293         ed->fields.server->frame = 0;
3294         VectorClear(ed->fields.server->origin);
3295         VectorClear(ed->fields.server->angles);
3296         ed->fields.server->nextthink = -1;
3297         ed->fields.server->solid = 0;
3298
3299         World_Physics_RemoveFromEntity(&sv.world, ed);
3300         World_Physics_RemoveJointFromEntity(&sv.world, ed);
3301
3302         // make sure csqc networking is aware of the removed entity
3303         e = PRVM_NUM_FOR_EDICT(ed);
3304         sv.csqcentityversion[e] = 0;
3305         for (i = 0;i < svs.maxclients;i++)
3306         {
3307                 if (svs.clients[i].csqcentityscope[e])
3308                         svs.clients[i].csqcentityscope[e] = 1; // removed, awaiting send
3309                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3310         }
3311 }
3312
3313 static void SV_VM_CB_CountEdicts(void)
3314 {
3315         int             i;
3316         prvm_edict_t    *ent;
3317         int             active, models, solid, step;
3318
3319         active = models = solid = step = 0;
3320         for (i=0 ; i<prog->num_edicts ; i++)
3321         {
3322                 ent = PRVM_EDICT_NUM(i);
3323                 if (ent->priv.server->free)
3324                         continue;
3325                 active++;
3326                 if (ent->fields.server->solid)
3327                         solid++;
3328                 if (ent->fields.server->model)
3329                         models++;
3330                 if (ent->fields.server->movetype == MOVETYPE_STEP)
3331                         step++;
3332         }
3333
3334         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3335         Con_Printf("active    :%3i\n", active);
3336         Con_Printf("view      :%3i\n", models);
3337         Con_Printf("touch     :%3i\n", solid);
3338         Con_Printf("step      :%3i\n", step);
3339 }
3340
3341 static qboolean SV_VM_CB_LoadEdict(prvm_edict_t *ent)
3342 {
3343         // remove things from different skill levels or deathmatch
3344         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3345         {
3346                 if (deathmatch.integer)
3347                 {
3348                         if (((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_DEATHMATCH))
3349                         {
3350                                 return false;
3351                         }
3352                 }
3353                 else if ((current_skill <= 0 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_EASY  ))
3354                         || (current_skill == 1 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_MEDIUM))
3355                         || (current_skill >= 2 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_HARD  )))
3356                 {
3357                         return false;
3358                 }
3359         }
3360         return true;
3361 }
3362
3363 static void SV_VM_Setup(void)
3364 {
3365         PRVM_Begin;
3366         PRVM_InitProg( PRVM_SERVERPROG );
3367
3368         // allocate the mempools
3369         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3370         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3371         prog->builtins = vm_sv_builtins;
3372         prog->numbuiltins = vm_sv_numbuiltins;
3373         prog->headercrc = PROGHEADER_CRC;
3374         prog->headercrc2 = PROGHEADER_CRC_TENEBRAE;
3375         prog->max_edicts = 512;
3376         if (sv.protocol == PROTOCOL_QUAKE)
3377                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3378         else if (sv.protocol == PROTOCOL_QUAKEDP)
3379                 prog->limit_edicts = 2048; // guessing
3380         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3381                 prog->limit_edicts = 2048; // guessing!
3382         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3383                 prog->limit_edicts = 4096; // guessing!
3384         else
3385                 prog->limit_edicts = MAX_EDICTS;
3386         prog->reserved_edicts = svs.maxclients;
3387         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3388         prog->name = "server";
3389         prog->extensionstring = vm_sv_extensions;
3390         prog->loadintoworld = true;
3391
3392         prog->begin_increase_edicts = SV_VM_CB_BeginIncreaseEdicts;
3393         prog->end_increase_edicts = SV_VM_CB_EndIncreaseEdicts;
3394         prog->init_edict = SV_VM_CB_InitEdict;
3395         prog->free_edict = SV_VM_CB_FreeEdict;
3396         prog->count_edicts = SV_VM_CB_CountEdicts;
3397         prog->load_edict = SV_VM_CB_LoadEdict;
3398         prog->init_cmd = VM_SV_Cmd_Init;
3399         prog->reset_cmd = VM_SV_Cmd_Reset;
3400         prog->error_cmd = Host_Error;
3401         prog->ExecuteProgram = SVVM_ExecuteProgram;
3402
3403         // TODO: add a requiredfuncs list (ask LH if this is necessary at all)
3404         PRVM_LoadProgs( sv_progs.string, 0, NULL, REQFIELDS, reqfields, 0, NULL );
3405
3406         // some mods compiled with scrambling compilers lack certain critical
3407         // global names and field names such as "self" and "time" and "nextthink"
3408         // so we have to set these offsets manually, matching the entvars_t
3409         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3410         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3411         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3412         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3413         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3414         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
3415         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3416         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3417         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
3418         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
3419         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
3420         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
3421         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
3422         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
3423         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
3424         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
3425         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
3426         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
3427         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
3428         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
3429         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
3430         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
3431         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
3432         // OP_STATE is always supported on server (due to entvars_t)
3433         prog->flag |= PRVM_OP_STATE;
3434
3435         VM_CustomStats_Clear();//[515]: csqc
3436
3437         PRVM_End;
3438
3439         SV_Prepare_CSQC();
3440 }
3441
3442 void SV_VM_Begin(void)
3443 {
3444         PRVM_Begin;
3445         PRVM_SetProg( PRVM_SERVERPROG );
3446
3447         prog->globals.server->time = (float) sv.time;
3448 }
3449
3450 void SV_VM_End(void)
3451 {
3452         PRVM_End;
3453 }