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 sv_worldmessage = {CVAR_READONLY, "sv_worldmessage", "", "title of current level"};
  37 cvar_t sv_worldname = {CVAR_READONLY, "sv_worldname", "", "name of current worldmodel"};
  38 cvar_t sv_worldnamenoextension = {CVAR_READONLY, "sv_worldnamenoextension", "", "name of current worldmodel without extension"};
  39 cvar_t sv_worldbasename = {CVAR_READONLY, "sv_worldbasename", "", "name of current worldmodel without maps/ prefix or extension"};
  40
  41 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)"};
  42 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)"};
  43 cvar_t fraglimit = {CVAR_NOTIFY, "fraglimit","0", "ends level if this many frags is reached by any player"};
  44 cvar_t gamecfg = {0, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
  45 cvar_t noexit = {CVAR_NOTIFY, "noexit","0", "kills anyone attempting to use an exit"};
  46 cvar_t nomonsters = {0, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
  47 cvar_t pausable = {0, "pausable","1", "allow players to pause or not"};
  48 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)"};
  49 cvar_t samelevel = {CVAR_NOTIFY, "samelevel","0", "repeats same level if level ends (due to timelimit or someone hitting an exit)"};
  50 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)"};
  51 cvar_t slowmo = {0, "slowmo", "1.0", "controls game speed, 0.5 is half speed, 2 is double speed"};
  52
  53 cvar_t sv_accelerate = {0, "sv_accelerate", "10", "rate at which a player accelerates to sv_maxspeed"};
  54 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"};
  55 cvar_t sv_airaccel_qw = {0, "sv_airaccel_qw", "1", "ratio of QW-style air control as opposed to simple acceleration; when < 0, the speed is clamped against the maximum allowed forward speed after the move"};
  56 cvar_t sv_airaccel_sideways_friction = {0, "sv_airaccel_sideways_friction", "", "anti-sideways movement stabilization (reduces speed gain when zigzagging); when < 0, only so much friction is applied that braking (by accelerating backwards) cannot be stronger"};
  57 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"};
  58 cvar_t sv_airstopaccelerate = {0, "sv_airstopaccelerate", "0", "when set, replacement for sv_airaccelerate when moving backwards"};
  59 cvar_t sv_airspeedlimit_nonqw = {0, "sv_airspeedlimit_nonqw", "0", "when set, this is a soft speed limit while in air when using airaccel_qw not equal to 1"};
  60 cvar_t sv_airstrafeaccelerate = {0, "sv_airstrafeaccelerate", "0", "when set, replacement for sv_airaccelerate when just strafing"};
  61 cvar_t sv_maxairstrafespeed = {0, "sv_maxairstrafespeed", "0", "when set, replacement for sv_maxairspeed when just strafing"};
  62 cvar_t sv_airstrafeaccel_qw = {0, "sv_airstrafeaccel_qw", "0", "when set, replacement for sv_airaccel_qw when just strafing"};
  63 cvar_t sv_aircontrol = {0, "sv_aircontrol", "0", "CPMA-style air control"};
  64 cvar_t sv_aircontrol_power = {0, "sv_aircontrol_power", "2", "CPMA-style air control exponent"};
  65 cvar_t sv_aircontrol_penalty = {0, "sv_aircontrol_penalty", "0", "deceleration while using CPMA-style air control"};
  66 cvar_t sv_allowdownloads = {0, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
  67 cvar_t sv_allowdownloads_archive = {0, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
  68 cvar_t sv_allowdownloads_config = {0, "sv_allowdownloads_config", "0", "whether to allow downloads of config files (cfg)"};
  69 cvar_t sv_allowdownloads_dlcache = {0, "sv_allowdownloads_dlcache", "0", "whether to allow downloads of dlcache files (dlcache/)"};
  70 cvar_t sv_allowdownloads_inarchive = {0, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
  71 cvar_t sv_areagrid_mingridsize = {CVAR_NOTIFY, "sv_areagrid_mingridsize", "128", "minimum areagrid cell size, smaller values work better for lots of small objects, higher values for large objects"};
  72 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"};
  73 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"};
  74 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)"};
  75 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)"};
  76 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)"};
  77 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!)"};
  78 cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"};
  79 cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
  80 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"};
  81 cvar_t sv_cullentities_trace_delay = {0, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
  82 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"};
  83 cvar_t sv_cullentities_trace_enlarge = {0, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
  84 cvar_t sv_cullentities_trace_prediction = {0, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
  85 cvar_t sv_cullentities_trace_prediction_time = {0, "sv_cullentities_trace_prediction_time", "0.2", "how many seconds of prediction to use"};
  86 cvar_t sv_cullentities_trace_entityocclusion = {0, "sv_cullentities_trace_entityocclusion", "0", "also check if doors and other bsp models are in the way"};
  87 cvar_t sv_cullentities_trace_samples = {0, "sv_cullentities_trace_samples", "2", "number of samples to test for entity culling"};
  88 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"};
  89 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"};
  90 cvar_t sv_debugmove = {CVAR_NOTIFY, "sv_debugmove", "0", "disables collision detection optimizations for debugging purposes"};
  91 cvar_t sv_echobprint = {CVAR_SAVE, "sv_echobprint", "1", "prints gamecode bprint() calls to server console"};
  92 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)"};
  93 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)"};
  94 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)"};
  95 cvar_t sv_freezenonclients = {CVAR_NOTIFY, "sv_freezenonclients", "0", "freezes time, except for players, allowing you to walk around and take screenshots of explosions"};
  96 cvar_t sv_friction = {CVAR_NOTIFY, "sv_friction","4", "how fast you slow down"};
  97 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"};
  98 cvar_t sv_gameplayfix_consistentplayerprethink = {0, "sv_gameplayfix_consistentplayerprethink", "0", "improves fairness in multiplayer by running all PlayerPreThink functions (which fire weapons) before performing physics, then runing all PlayerPostThink functions"};
  99 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"};
 100 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)"};
 101 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"};
 102 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)"};
 103 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"};
 104 cvar_t sv_gameplayfix_gravityunaffectedbyticrate = {0, "sv_gameplayfix_gravityunaffectedbyticrate", "0", "fix some ticrate issues in physics."};
 105 cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
 106 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"};
 107 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"};
 108 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)"};
 109 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)"};
 110 cvar_t sv_gameplayfix_nudgeoutofsolid_bias = {0, "sv_gameplayfix_nudgeoutofsolid_bias", "0", "over-correction on nudgeoutofsolid logic, to prevent constant contact"};
 111 cvar_t sv_gameplayfix_q2airaccelerate = {0, "sv_gameplayfix_q2airaccelerate", "0", "Quake2-style air acceleration"};
 112 cvar_t sv_gameplayfix_nogravityonground = {0, "sv_gameplayfix_nogravityonground", "0", "Quake2-style air acceleration"};
 113 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"};
 114 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"};
 115 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)"};
 116 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)"};
 117 cvar_t sv_gameplayfix_stepmultipletimes = {0, "sv_gameplayfix_stepmultipletimes", "1", "applies step-up onto a ledge more than once in a single frame, when running quickly up stairs"};
 118 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"};
 119 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"};
 120 cvar_t sv_gameplayfix_downtracesupportsongroundflag = {0, "sv_gameplayfix_downtracesupportsongroundflag", "1", "prevents very short moves from clearing onground (which may make the player stick to the floor at high netfps)"};
 121 cvar_t sv_gravity = {CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
 122 cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
 123 cvar_t sv_jumpstep = {CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping (sv_gameplayfix_stepwhilejumping must also be 1)"};
 124 cvar_t sv_jumpvelocity = {0, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
 125 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)"};
 126 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
 127 cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
 128 cvar_t sv_maxvelocity = {CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
 129 cvar_t sv_nostep = {CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
 130 cvar_t sv_playerphysicsqc = {CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
 131 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
 132 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
 133 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"};
 134 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)"};
 135 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)"};
 136 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)"};
 137 cvar_t sv_stepheight = {CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
 138 cvar_t sv_stopspeed = {CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
 139 cvar_t sv_wallfriction = {CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
 140 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"};
 141 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"};
 142 cvar_t sv_warsowbunny_airforwardaccel = {0, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
 143 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)"};
 144 cvar_t sv_warsowbunny_topspeed = {0, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
 145 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)"};
 146 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"};
 147 cvar_t sv_onlycsqcnetworking = {0, "sv_onlycsqcnetworking", "0", "disables legacy entity networking code for higher performance (except on clients, which can still be legacy)"};
 148 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"};
 149 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"};
 150 cvar_t timelimit = {CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
 151
 152 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 153 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 154 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 155 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 156 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 157 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
 158 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
 159 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
 160 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
 161 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)"};
 162
 163 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
 164 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
 165 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
 166 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
 167 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
 168 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
 169 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
 170 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
 171 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
 172 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
 173 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
 174 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
 175 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
 176 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
 177 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
 178 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
 179 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
 180 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
 181 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
 182 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
 183 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
 184
 185 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)"};
 186 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)" };
 187 cvar_t sv_autodemo_perclient_discardable = {CVAR_SAVE, "sv_autodemo_perclient_discardable", "0", "Allow game code to decide whether a demo should be kept or discarded."};
 188
 189 cvar_t halflifebsp = {0, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
 190
 191 server_t sv;
 192 server_static_t svs;
 193
 194 mempool_t *sv_mempool = NULL;
 195
 196 extern cvar_t slowmo;
 197 extern float            scr_centertime_off;
 198
 199 // MUST match effectnameindex_t in client.h
 200 static const char *standardeffectnames[EFFECT_TOTAL] =
 201 {
 202         "",
 203         "TE_GUNSHOT",
 204         "TE_GUNSHOTQUAD",
 205         "TE_SPIKE",
 206         "TE_SPIKEQUAD",
 207         "TE_SUPERSPIKE",
 208         "TE_SUPERSPIKEQUAD",
 209         "TE_WIZSPIKE",
 210         "TE_KNIGHTSPIKE",
 211         "TE_EXPLOSION",
 212         "TE_EXPLOSIONQUAD",
 213         "TE_TAREXPLOSION",
 214         "TE_TELEPORT",
 215         "TE_LAVASPLASH",
 216         "TE_SMALLFLASH",
 217         "TE_FLAMEJET",
 218         "EF_FLAME",
 219         "TE_BLOOD",
 220         "TE_SPARK",
 221         "TE_PLASMABURN",
 222         "TE_TEI_G3",
 223         "TE_TEI_SMOKE",
 224         "TE_TEI_BIGEXPLOSION",
 225         "TE_TEI_PLASMAHIT",
 226         "EF_STARDUST",
 227         "TR_ROCKET",
 228         "TR_GRENADE",
 229         "TR_BLOOD",
 230         "TR_WIZSPIKE",
 231         "TR_SLIGHTBLOOD",
 232         "TR_KNIGHTSPIKE",
 233         "TR_VORESPIKE",
 234         "TR_NEHAHRASMOKE",
 235         "TR_NEXUIZPLASMA",
 236         "TR_GLOWTRAIL",
 237         "SVC_PARTICLE"
 238 };
 239
 240 #define REQFIELDS (sizeof(reqfields) / sizeof(prvm_required_field_t))
 241
 242 prvm_required_field_t reqfields[] =
 243 {
 244         {ev_entity, "cursor_trace_ent"},
 245         {ev_entity, "drawonlytoclient"},
 246         {ev_entity, "exteriormodeltoclient"},
 247         {ev_entity, "nodrawtoclient"},
 248         {ev_entity, "tag_entity"},
 249         {ev_entity, "viewmodelforclient"},
 250         {ev_float, "SendFlags"},
 251         {ev_float, "Version"},
 252         {ev_float, "alpha"},
 253         {ev_float, "ammo_cells1"},
 254         {ev_float, "ammo_lava_nails"},
 255         {ev_float, "ammo_multi_rockets"},
 256         {ev_float, "ammo_nails1"},
 257         {ev_float, "ammo_plasma"},
 258         {ev_float, "ammo_rockets1"},
 259         {ev_float, "ammo_shells1"},
 260         {ev_float, "button3"},
 261         {ev_float, "button4"},
 262         {ev_float, "button5"},
 263         {ev_float, "button6"},
 264         {ev_float, "button7"},
 265         {ev_float, "button8"},
 266         {ev_float, "button9"},
 267         {ev_float, "button10"},
 268         {ev_float, "button11"},
 269         {ev_float, "button12"},
 270         {ev_float, "button13"},
 271         {ev_float, "button14"},
 272         {ev_float, "button15"},
 273         {ev_float, "button16"},
 274         {ev_float, "buttonchat"},
 275         {ev_float, "buttonuse"},
 276         {ev_float, "clientcolors"},
 277         {ev_float, "cursor_active"},
 278         {ev_float, "disableclientprediction"},
 279         {ev_float, "fullbright"},
 280         {ev_float, "glow_color"},
 281         {ev_float, "glow_size"},
 282         {ev_float, "glow_trail"},
 283         {ev_float, "gravity"},
 284         {ev_float, "idealpitch"},
 285         {ev_float, "items2"},
 286         {ev_float, "light_lev"},
 287         {ev_float, "modelflags"},
 288         {ev_float, "pflags"},
 289         {ev_float, "ping"},
 290         {ev_float, "pitch_speed"},
 291         {ev_float, "pmodel"},
 292         {ev_float, "renderamt"}, // HalfLife support
 293         {ev_float, "rendermode"}, // HalfLife support
 294         {ev_float, "scale"},
 295         {ev_float, "style"},
 296         {ev_float, "tag_index"},
 297         {ev_float, "viewzoom"},
 298         {ev_function, "SendEntity"},
 299         {ev_function, "contentstransition"}, // DRESK - Support for Entity Contents Transition Event
 300         {ev_function, "customizeentityforclient"},
 301         {ev_function, "movetypesteplandevent"}, // DRESK - Support for MOVETYPE_STEP Entity Land Event
 302         {ev_string, "netaddress"},
 303         {ev_string, "playermodel"},
 304         {ev_string, "playerskin"},
 305         {ev_vector, "color"},
 306         {ev_vector, "colormod"},
 307         {ev_vector, "cursor_screen"},
 308         {ev_vector, "cursor_trace_endpos"},
 309         {ev_vector, "cursor_trace_start"},
 310         {ev_vector, "glowmod"},
 311         {ev_vector, "movement"},
 312         {ev_vector, "punchvector"},
 313
 314         // physics
 315         //{ev_float, "solid"},
 316         //{ev_float, "movetype"},
 317         //{ev_float, "modelindex"},
 318         {ev_vector, "mass"},
 319         //{ev_vector, "origin"},
 320         //{ev_vector, "velocity"},
 321         //{ev_vector, "axis_forward"},
 322         //{ev_vector, "axis_left"},
 323         //{ev_vector, "axis_up"},
 324         //{ev_vector, "spinvelocity"},
 325         //{ev_vector, "angles"},
 326         //{ev_vector, "avelocity"},
 327
 328 };
 329
 330
 331
 332 //============================================================================
 333
 334 void SV_AreaStats_f(void)
 335 {
 336         World_PrintAreaStats(&sv.world, "server");
 337 }
 338
 339 /*
 340 ===============
 341 SV_Init
 342 ===============
 343 */
 344 void SV_Init (void)
 345 {
 346         // init the csqc progs cvars, since they are updated/used by the server code
 347         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
 348         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
 349         extern cvar_t csqc_progcrc;
 350         extern cvar_t csqc_progsize;
 351
 352         Cvar_RegisterVariable(&sv_worldmessage);
 353         Cvar_RegisterVariable(&sv_worldname);
 354         Cvar_RegisterVariable(&sv_worldnamenoextension);
 355         Cvar_RegisterVariable(&sv_worldbasename);
 356
 357         Cvar_RegisterVariable (&csqc_progname);
 358         Cvar_RegisterVariable (&csqc_progcrc);
 359         Cvar_RegisterVariable (&csqc_progsize);
 360
 361         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
 362         Cmd_AddCommand("sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
 363         Cmd_AddCommand_WithClientCommand("sv_startdownload", NULL, SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
 364         Cmd_AddCommand_WithClientCommand("download", NULL, SV_Download_f, "downloads a specified file from the server");
 365
 366         Cvar_RegisterVariable (&coop);
 367         Cvar_RegisterVariable (&deathmatch);
 368         Cvar_RegisterVariable (&fraglimit);
 369         Cvar_RegisterVariable (&gamecfg);
 370         Cvar_RegisterVariable (&noexit);
 371         Cvar_RegisterVariable (&nomonsters);
 372         Cvar_RegisterVariable (&pausable);
 373         Cvar_RegisterVariable (&pr_checkextension);
 374         Cvar_RegisterVariable (&samelevel);
 375         Cvar_RegisterVariable (&skill);
 376         Cvar_RegisterVariable (&slowmo);
 377         Cvar_RegisterVariable (&sv_accelerate);
 378         Cvar_RegisterVariable (&sv_aim);
 379         Cvar_RegisterVariable (&sv_airaccel_qw);
 380         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
 381         Cvar_RegisterVariable (&sv_airaccelerate);
 382         Cvar_RegisterVariable (&sv_airstopaccelerate);
 383         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
 384         Cvar_RegisterVariable (&sv_maxairstrafespeed);
 385         Cvar_RegisterVariable (&sv_airstrafeaccel_qw);
 386         Cvar_RegisterVariable (&sv_airspeedlimit_nonqw);
 387         Cvar_RegisterVariable (&sv_aircontrol);
 388         Cvar_RegisterVariable (&sv_aircontrol_power);
 389         Cvar_RegisterVariable (&sv_aircontrol_penalty);
 390         Cvar_RegisterVariable (&sv_allowdownloads);
 391         Cvar_RegisterVariable (&sv_allowdownloads_archive);
 392         Cvar_RegisterVariable (&sv_allowdownloads_config);
 393         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
 394         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
 395         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
 396         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
 397         Cvar_RegisterVariable (&sv_clmovement_enable);
 398         Cvar_RegisterVariable (&sv_clmovement_minping);
 399         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
 400         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
 401         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
 402         Cvar_RegisterVariable (&sv_cullentities_pvs);
 403         Cvar_RegisterVariable (&sv_cullentities_stats);
 404         Cvar_RegisterVariable (&sv_cullentities_trace);
 405         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
 406         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
 407         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
 408         Cvar_RegisterVariable (&sv_cullentities_trace_entityocclusion);
 409         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
 410         Cvar_RegisterVariable (&sv_cullentities_trace_prediction_time);
 411         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
 412         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
 413         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
 414         Cvar_RegisterVariable (&sv_debugmove);
 415         Cvar_RegisterVariable (&sv_echobprint);
 416         Cvar_RegisterVariable (&sv_edgefriction);
 417         Cvar_RegisterVariable (&sv_entpatch);
 418         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
 419         Cvar_RegisterVariable (&sv_freezenonclients);
 420         Cvar_RegisterVariable (&sv_friction);
 421         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
 422         Cvar_RegisterVariable (&sv_gameplayfix_consistentplayerprethink);
 423         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
 424         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
 425         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
 426         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
 427         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
 428         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
 429         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
 430         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
 431         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
 432         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
 433         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid);
 434         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid_bias);
 435         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
 436         Cvar_RegisterVariable (&sv_gameplayfix_nogravityonground);
 437         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
 438         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
 439         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
 440         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
 441         Cvar_RegisterVariable (&sv_gameplayfix_stepmultipletimes);
 442         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
 443         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
 444         Cvar_RegisterVariable (&sv_gameplayfix_downtracesupportsongroundflag);
 445         Cvar_RegisterVariable (&sv_gravity);
 446         Cvar_RegisterVariable (&sv_idealpitchscale);
 447         Cvar_RegisterVariable (&sv_jumpstep);
 448         Cvar_RegisterVariable (&sv_jumpvelocity);
 449         Cvar_RegisterVariable (&sv_maxairspeed);
 450         Cvar_RegisterVariable (&sv_maxrate);
 451         Cvar_RegisterVariable (&sv_maxspeed);
 452         Cvar_RegisterVariable (&sv_maxvelocity);
 453         Cvar_RegisterVariable (&sv_nostep);
 454         Cvar_RegisterVariable (&sv_playerphysicsqc);
 455         Cvar_RegisterVariable (&sv_progs);
 456         Cvar_RegisterVariable (&sv_protocolname);
 457         Cvar_RegisterVariable (&sv_random_seed);
 458         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
 459         Cvar_RegisterVariable (&sv_sound_land);
 460         Cvar_RegisterVariable (&sv_sound_watersplash);
 461         Cvar_RegisterVariable (&sv_stepheight);
 462         Cvar_RegisterVariable (&sv_stopspeed);
 463         Cvar_RegisterVariable (&sv_wallfriction);
 464         Cvar_RegisterVariable (&sv_wateraccelerate);
 465         Cvar_RegisterVariable (&sv_waterfriction);
 466         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
 467         Cvar_RegisterVariable (&sv_warsowbunny_accel);
 468         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
 469         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
 470         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
 471         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
 472         Cvar_RegisterVariable (&sys_ticrate);
 473         Cvar_RegisterVariable (&teamplay);
 474         Cvar_RegisterVariable (&timelimit);
 475
 476         Cvar_RegisterVariable (&saved1);
 477         Cvar_RegisterVariable (&saved2);
 478         Cvar_RegisterVariable (&saved3);
 479         Cvar_RegisterVariable (&saved4);
 480         Cvar_RegisterVariable (&savedgamecfg);
 481         Cvar_RegisterVariable (&scratch1);
 482         Cvar_RegisterVariable (&scratch2);
 483         Cvar_RegisterVariable (&scratch3);
 484         Cvar_RegisterVariable (&scratch4);
 485         Cvar_RegisterVariable (&temp1);
 486
 487         // LordHavoc: Nehahra uses these to pass data around cutscene demos
 488         if (gamemode == GAME_NEHAHRA)
 489         {
 490                 Cvar_RegisterVariable (&nehx00);
 491                 Cvar_RegisterVariable (&nehx01);
 492                 Cvar_RegisterVariable (&nehx02);
 493                 Cvar_RegisterVariable (&nehx03);
 494                 Cvar_RegisterVariable (&nehx04);
 495                 Cvar_RegisterVariable (&nehx05);
 496                 Cvar_RegisterVariable (&nehx06);
 497                 Cvar_RegisterVariable (&nehx07);
 498                 Cvar_RegisterVariable (&nehx08);
 499                 Cvar_RegisterVariable (&nehx09);
 500                 Cvar_RegisterVariable (&nehx10);
 501                 Cvar_RegisterVariable (&nehx11);
 502                 Cvar_RegisterVariable (&nehx12);
 503                 Cvar_RegisterVariable (&nehx13);
 504                 Cvar_RegisterVariable (&nehx14);
 505                 Cvar_RegisterVariable (&nehx15);
 506                 Cvar_RegisterVariable (&nehx16);
 507                 Cvar_RegisterVariable (&nehx17);
 508                 Cvar_RegisterVariable (&nehx18);
 509                 Cvar_RegisterVariable (&nehx19);
 510         }
 511         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
 512
 513         Cvar_RegisterVariable (&sv_autodemo_perclient);
 514         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
 515         Cvar_RegisterVariable (&sv_autodemo_perclient_discardable);
 516
 517         Cvar_RegisterVariable (&halflifebsp);
 518
 519         // any special defaults for gamemodes go here
 520         if (gamemode == GAME_NEHAHRA)
 521         {
 522                 // Nehahra pushable crates malfunction in some levels if this is on
 523                 Cvar_SetValueQuick (&sv_gameplayfix_upwardvelocityclearsongroundflag, 0);
 524                 // Nehahra NPC AI is confused by this feature
 525                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
 526         }
 527         if (gamemode == GAME_HIPNOTIC)
 528         {
 529                 // 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.
 530                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
 531                 // 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
 532                 Cvar_SetValueQuick (&sys_ticrate, 0.02);
 533                 // hipnotic mission pack has issues in their proximity mine sticking code, which causes them to bounce off.
 534                 Cvar_SetValueQuick (&sv_gameplayfix_slidemoveprojectiles, 0);
 535         }
 536         if (gamemode == GAME_ROGUE)
 537         {
 538                 // rogue mission pack has a guardian boss that does not wake up if findradius returns one of the entities around its spawn area
 539                 Cvar_SetValueQuick (&sv_gameplayfix_findradiusdistancetobox, 0);
 540         }
 541         if (gamemode == GAME_NEXUIZ)
 542         {
 543                 Cvar_SetValueQuick (&sv_gameplayfix_q2airaccelerate, 1);
 544         }
 545
 546         sv_mempool = Mem_AllocPool("server", 0, NULL);
 547 }
 548
 549 static void SV_SaveEntFile_f(void)
 550 {
 551         if (!sv.active || !sv.worldmodel)
 552         {
 553                 Con_Print("Not running a server\n");
 554                 return;
 555         }
 556         FS_WriteFile(va("%s.ent", sv.worldnamenoextension), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
 557 }
 558
 559
 560 /*
 561 =============================================================================
 562
 563 EVENT MESSAGES
 564
 565 =============================================================================
 566 */
 567
 568 /*
 569 ==================
 570 SV_StartParticle
 571
 572 Make sure the event gets sent to all clients
 573 ==================
 574 */
 575 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 576 {
 577         int i;
 578
 579         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 580                 return;
 581         MSG_WriteByte (&sv.datagram, svc_particle);
 582         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 583         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 584         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 585         for (i=0 ; i<3 ; i++)
 586                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
 587         MSG_WriteByte (&sv.datagram, count);
 588         MSG_WriteByte (&sv.datagram, color);
 589         SV_FlushBroadcastMessages();
 590 }
 591
 592 /*
 593 ==================
 594 SV_StartEffect
 595
 596 Make sure the event gets sent to all clients
 597 ==================
 598 */
 599 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 600 {
 601         if (modelindex >= 256 || startframe >= 256)
 602         {
 603                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 604                         return;
 605                 MSG_WriteByte (&sv.datagram, svc_effect2);
 606                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 607                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 608                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 609                 MSG_WriteShort (&sv.datagram, modelindex);
 610                 MSG_WriteShort (&sv.datagram, startframe);
 611                 MSG_WriteByte (&sv.datagram, framecount);
 612                 MSG_WriteByte (&sv.datagram, framerate);
 613         }
 614         else
 615         {
 616                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 617                         return;
 618                 MSG_WriteByte (&sv.datagram, svc_effect);
 619                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 620                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 621                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 622                 MSG_WriteByte (&sv.datagram, modelindex);
 623                 MSG_WriteByte (&sv.datagram, startframe);
 624                 MSG_WriteByte (&sv.datagram, framecount);
 625                 MSG_WriteByte (&sv.datagram, framerate);
 626         }
 627         SV_FlushBroadcastMessages();
 628 }
 629
 630 /*
 631 ==================
 632 SV_StartSound
 633
 634 Each entity can have eight independant sound sources, like voice,
 635 weapon, feet, etc.
 636
 637 Channel 0 is an auto-allocate channel, the others override anything
 638 already running on that entity/channel pair.
 639
 640 An attenuation of 0 will play full volume everywhere in the level.
 641 Larger attenuations will drop off.  (max 4 attenuation)
 642
 643 ==================
 644 */
 645 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation)
 646 {
 647         int sound_num, field_mask, i, ent;
 648
 649         if (volume < 0 || volume > 255)
 650         {
 651                 Con_Printf ("SV_StartSound: volume = %i\n", volume);
 652                 return;
 653         }
 654
 655         if (attenuation < 0 || attenuation > 4)
 656         {
 657                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
 658                 return;
 659         }
 660
 661         if (channel < 0 || channel > 7)
 662         {
 663                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
 664                 return;
 665         }
 666
 667         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 668                 return;
 669
 670 // find precache number for sound
 671         sound_num = SV_SoundIndex(sample, 1);
 672         if (!sound_num)
 673                 return;
 674
 675         ent = PRVM_NUM_FOR_EDICT(entity);
 676
 677         field_mask = 0;
 678         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 679                 field_mask |= SND_VOLUME;
 680         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 681                 field_mask |= SND_ATTENUATION;
 682         if (ent >= 8192)
 683                 field_mask |= SND_LARGEENTITY;
 684         if (sound_num >= 256 || channel >= 8)
 685                 field_mask |= SND_LARGESOUND;
 686
 687 // directed messages go only to the entity they are targeted on
 688         MSG_WriteByte (&sv.datagram, svc_sound);
 689         MSG_WriteByte (&sv.datagram, field_mask);
 690         if (field_mask & SND_VOLUME)
 691                 MSG_WriteByte (&sv.datagram, volume);
 692         if (field_mask & SND_ATTENUATION)
 693                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 694         if (field_mask & SND_LARGEENTITY)
 695         {
 696                 MSG_WriteShort (&sv.datagram, ent);
 697                 MSG_WriteByte (&sv.datagram, channel);
 698         }
 699         else
 700                 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
 701         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
 702                 MSG_WriteShort (&sv.datagram, sound_num);
 703         else
 704                 MSG_WriteByte (&sv.datagram, sound_num);
 705         for (i = 0;i < 3;i++)
 706                 MSG_WriteCoord (&sv.datagram, entity->fields.server->origin[i]+0.5*(entity->fields.server->mins[i]+entity->fields.server->maxs[i]), sv.protocol);
 707         SV_FlushBroadcastMessages();
 708 }
 709
 710 /*
 711 ==================
 712 SV_StartPointSound
 713
 714 Nearly the same logic as SV_StartSound, except an origin
 715 instead of an entity is provided and channel is omitted.
 716
 717 The entity sent to the client is 0 (world) and the channel
 718 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
 719 function, therefore the check for it is omitted.
 720
 721 ==================
 722 */
 723 void SV_StartPointSound (vec3_t origin, const char *sample, int volume, float attenuation)
 724 {
 725         int sound_num, field_mask, i;
 726
 727         if (volume < 0 || volume > 255)
 728         {
 729                 Con_Printf ("SV_StartPointSound: volume = %i\n", volume);
 730                 return;
 731         }
 732
 733         if (attenuation < 0 || attenuation > 4)
 734         {
 735                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
 736                 return;
 737         }
 738
 739         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 740                 return;
 741
 742         // find precache number for sound
 743         sound_num = SV_SoundIndex(sample, 1);
 744         if (!sound_num)
 745                 return;
 746
 747         field_mask = 0;
 748         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 749                 field_mask |= SND_VOLUME;
 750         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 751                 field_mask |= SND_ATTENUATION;
 752         if (sound_num >= 256)
 753                 field_mask |= SND_LARGESOUND;
 754
 755 // directed messages go only to the entity they are targeted on
 756         MSG_WriteByte (&sv.datagram, svc_sound);
 757         MSG_WriteByte (&sv.datagram, field_mask);
 758         if (field_mask & SND_VOLUME)
 759                 MSG_WriteByte (&sv.datagram, volume);
 760         if (field_mask & SND_ATTENUATION)
 761                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 762         // Always write entnum 0 for the world entity
 763         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
 764         if (field_mask & SND_LARGESOUND)
 765                 MSG_WriteShort (&sv.datagram, sound_num);
 766         else
 767                 MSG_WriteByte (&sv.datagram, sound_num);
 768         for (i = 0;i < 3;i++)
 769                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
 770         SV_FlushBroadcastMessages();
 771 }
 772
 773 /*
 774 ==============================================================================
 775
 776 CLIENT SPAWNING
 777
 778 ==============================================================================
 779 */
 780
 781 /*
 782 ================
 783 SV_SendServerinfo
 784
 785 Sends the first message from the server to a connected client.
 786 This will be sent on the initial connection and upon each server load.
 787 ================
 788 */
 789 void SV_SendServerinfo (client_t *client)
 790 {
 791         int i;
 792         char message[128];
 793
 794         // we know that this client has a netconnection and thus is not a bot
 795
 796         // edicts get reallocated on level changes, so we need to update it here
 797         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
 798
 799         // clear cached stuff that depends on the level
 800         client->weaponmodel[0] = 0;
 801         client->weaponmodelindex = 0;
 802
 803         // LordHavoc: clear entityframe tracking
 804         client->latestframenum = 0;
 805
 806         // initialize the movetime, so a speedhack can't make use of the time before this client joined
 807         client->cmd.time = sv.time;
 808
 809         if (client->entitydatabase)
 810                 EntityFrame_FreeDatabase(client->entitydatabase);
 811         if (client->entitydatabase4)
 812                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 813         if (client->entitydatabase5)
 814                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 815
 816         memset(client->stats, 0, sizeof(client->stats));
 817         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
 818
 819         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)
 820         {
 821                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 822                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
 823                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
 824                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
 825                 else
 826                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
 827         }
 828
 829         // reset csqc entity versions
 830         for (i = 0;i < prog->max_edicts;i++)
 831         {
 832                 client->csqcentityscope[i] = 0;
 833                 client->csqcentitysendflags[i] = 0xFFFFFF;
 834                 client->csqcentityglobalhistory[i] = 0;
 835         }
 836         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
 837         {
 838                 client->csqcentityframehistory[i].num = 0;
 839                 client->csqcentityframehistory[i].framenum = -1;
 840         }
 841         client->csqcnumedicts = 0;
 842         client->csqcentityframehistory_next = 0;
 843
 844         SZ_Clear (&client->netconnection->message);
 845         MSG_WriteByte (&client->netconnection->message, svc_print);
 846         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)\n", gamename, buildstring, prog->filecrc);
 847         MSG_WriteString (&client->netconnection->message,message);
 848
 849         SV_StopDemoRecording(client); // to split up demos into different files
 850         if(sv_autodemo_perclient.integer && client->netconnection)
 851         {
 852                 char demofile[MAX_OSPATH];
 853                 char ipaddress[MAX_QPATH];
 854                 size_t i;
 855
 856                 // start a new demo file
 857                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
 858                 for(i = 0; ipaddress[i]; ++i)
 859                         if(!isalnum(ipaddress[i]))
 860                                 ipaddress[i] = '-';
 861                 dpsnprintf (demofile, sizeof(demofile), "%s_%s_%d_%s.dem", Sys_TimeString (sv_autodemo_perclient_nameformat.string), sv.worldbasename, PRVM_NUM_FOR_EDICT(client->edict), ipaddress);
 862
 863                 SV_StartDemoRecording(client, demofile, -1);
 864         }
 865
 866         //[515]: init csprogs according to version of svprogs, check the crc, etc.
 867         if (sv.csqc_progname[0])
 868         {
 869                 prvm_eval_t *val;
 870                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
 871                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 872                 MSG_WriteString (&client->netconnection->message, va("csqc_progname %s\n", sv.csqc_progname));
 873                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 874                 MSG_WriteString (&client->netconnection->message, va("csqc_progsize %i\n", sv.csqc_progsize));
 875                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 876                 MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i\n", sv.csqc_progcrc));
 877
 878                 if(client->sv_demo_file != NULL)
 879                 {
 880                         int i;
 881                         static char buf[NET_MAXMESSAGE];
 882                         sizebuf_t sb;
 883
 884                         sb.data = (unsigned char *) buf;
 885                         sb.maxsize = sizeof(buf);
 886                         i = 0;
 887                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, i++, &sb, sv.protocol))
 888                                 SV_WriteDemoMessage(client, &sb, false);
 889                 }
 890
 891                 //[515]: init stufftext string (it is sent before svc_serverinfo)
 892                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.SV_InitCmd);
 893                 if (val)
 894                 {
 895                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 896                         MSG_WriteString (&client->netconnection->message, va("%s\n", PRVM_GetString(val->string)));
 897                 }
 898         }
 899
 900         //if (sv_allowdownloads.integer)
 901         // always send the info that the server supports the protocol, even if downloads are forbidden
 902         // only because of that, the CSQC exception can work
 903         {
 904                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 905                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
 906         }
 907
 908         // send at this time so it's guaranteed to get executed at the right time
 909         {
 910                 client_t *save;
 911                 save = host_client;
 912                 host_client = client;
 913                 Curl_SendRequirements();
 914                 host_client = save;
 915         }
 916
 917         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
 918         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
 919         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
 920
 921         if (!coop.integer && deathmatch.integer)
 922                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
 923         else
 924                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
 925
 926         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog->edicts->fields.server->message));
 927
 928         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
 929                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
 930         MSG_WriteByte (&client->netconnection->message, 0);
 931
 932         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
 933                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
 934         MSG_WriteByte (&client->netconnection->message, 0);
 935
 936 // send music
 937         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
 938         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
 939         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
 940
 941 // set view
 942 // store this in clientcamera, too
 943         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
 944         MSG_WriteByte (&client->netconnection->message, svc_setview);
 945         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
 946
 947         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
 948         MSG_WriteByte (&client->netconnection->message, 1);
 949
 950         client->spawned = false;                // need prespawn, spawn, etc
 951         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
 952
 953         // clear movement info until client enters the new level properly
 954         memset(&client->cmd, 0, sizeof(client->cmd));
 955         client->movesequence = 0;
 956         client->movement_highestsequence_seen = 0;
 957         memset(&client->movement_count, 0, sizeof(client->movement_count));
 958 #ifdef NUM_PING_TIMES
 959         for (i = 0;i < NUM_PING_TIMES;i++)
 960                 client->ping_times[i] = 0;
 961         client->num_pings = 0;
 962 #endif
 963         client->ping = 0;
 964
 965         // allow the client some time to send his keepalives, even if map loading took ages
 966         client->netconnection->timeout = realtime + net_connecttimeout.value;
 967 }
 968
 969 /*
 970 ================
 971 SV_ConnectClient
 972
 973 Initializes a client_t for a new net connection.  This will only be called
 974 once for a player each game, not once for each level change.
 975 ================
 976 */
 977 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
 978 {
 979         client_t                *client;
 980         int                             i;
 981         float                   spawn_parms[NUM_SPAWN_PARMS];
 982
 983         client = svs.clients + clientnum;
 984
 985 // set up the client_t
 986         if (sv.loadgame)
 987                 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
 988         memset (client, 0, sizeof(*client));
 989         client->active = true;
 990         client->netconnection = netconnection;
 991
 992         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
 993
 994         strlcpy(client->name, "unconnected", sizeof(client->name));
 995         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
 996         client->spawned = false;
 997         client->edict = PRVM_EDICT_NUM(clientnum+1);
 998         if (client->netconnection)
 999                 client->netconnection->message.allowoverflow = true;            // we can catch it
1000         // prepare the unreliable message buffer
1001         client->unreliablemsg.data = client->unreliablemsg_data;
1002         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
1003         // updated by receiving "rate" command from client, this is also the default if not using a DP client
1004         client->rate = 1000000000;
1005         // no limits for local player
1006         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
1007                 client->rate = 1000000000;
1008         client->connecttime = realtime;
1009
1010         if (sv.loadgame)
1011                 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
1012         else
1013         {
1014                 // call the progs to get default spawn parms for the new client
1015                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
1016                 prog->globals.server->self = 0;
1017                 PRVM_ExecuteProgram (prog->globals.server->SetNewParms, "QC function SetNewParms is missing");
1018                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1019                         client->spawn_parms[i] = (&prog->globals.server->parm1)[i];
1020
1021                 // set up the entity for this client (including .colormap, .team, etc)
1022                 PRVM_ED_ClearEdict(client->edict);
1023         }
1024
1025         // don't call SendServerinfo for a fresh botclient because its fields have
1026         // not been set up by the qc yet
1027         if (client->netconnection)
1028                 SV_SendServerinfo (client);
1029         else
1030                 client->spawned = true;
1031 }
1032
1033
1034 /*
1035 ===============================================================================
1036
1037 FRAME UPDATES
1038
1039 ===============================================================================
1040 */
1041
1042 /*
1043 =============================================================================
1044
1045 The PVS must include a small area around the client to allow head bobbing
1046 or other small motion on the client side.  Otherwise, a bob might cause an
1047 entity that should be visible to not show up, especially when the bob
1048 crosses a waterline.
1049
1050 =============================================================================
1051 */
1052
1053 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1054 {
1055         int i;
1056         unsigned int sendflags;
1057         unsigned int version;
1058         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1059         unsigned int customizeentityforclient;
1060         unsigned int sendentity;
1061         float f;
1062         vec3_t cullmins, cullmaxs;
1063         dp_model_t *model;
1064         prvm_eval_t *val, *val2;
1065
1066         // fast path for games that do not use legacy entity networking
1067         // note: still networks clients even if they are legacy
1068         sendentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendEntity)->function;
1069         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1070                 return false;
1071
1072         // this 2 billion unit check is actually to detect NAN origins
1073         // (we really don't want to send those)
1074         if (!(VectorLength2(ent->fields.server->origin) < 2000000000.0*2000000000.0))
1075                 return false;
1076
1077         // EF_NODRAW prevents sending for any reason except for your own
1078         // client, so we must keep all clients in this superset
1079         effects = (unsigned)ent->fields.server->effects;
1080
1081         // we can omit invisible entities with no effects that are not clients
1082         // LordHavoc: this could kill tags attached to an invisible entity, I
1083         // just hope we never have to support that case
1084         i = (int)ent->fields.server->modelindex;
1085         modelindex = (i >= 1 && i < MAX_MODELS && ent->fields.server->model && *PRVM_GetString(ent->fields.server->model) && sv.models[i]) ? i : 0;
1086
1087         flags = 0;
1088         i = (int)(PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_size)->_float * 0.25f);
1089         glowsize = (unsigned char)bound(0, i, 255);
1090         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_trail)->_float)
1091                 flags |= RENDER_GLOWTRAIL;
1092         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict)
1093                 flags |= RENDER_VIEWMODEL;
1094
1095         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[0]*256;
1096         light[0] = (unsigned short)bound(0, f, 65535);
1097         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[1]*256;
1098         light[1] = (unsigned short)bound(0, f, 65535);
1099         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[2]*256;
1100         light[2] = (unsigned short)bound(0, f, 65535);
1101         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.light_lev)->_float;
1102         light[3] = (unsigned short)bound(0, f, 65535);
1103         lightstyle = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.style)->_float;
1104         lightpflags = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.pflags)->_float;
1105
1106         if (gamemode == GAME_TENEBRAE)
1107         {
1108                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1109                 if (effects & 16)
1110                 {
1111                         effects &= ~16;
1112                         lightpflags |= PFLAGS_FULLDYNAMIC;
1113                 }
1114                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1115                 if (effects & 32)
1116                 {
1117                         effects &= ~32;
1118                         light[0] = (int)(0.2*256);
1119                         light[1] = (int)(1.0*256);
1120                         light[2] = (int)(0.2*256);
1121                         light[3] = 200;
1122                         lightpflags |= PFLAGS_FULLDYNAMIC;
1123                 }
1124         }
1125
1126         specialvisibilityradius = 0;
1127         if (lightpflags & PFLAGS_FULLDYNAMIC)
1128                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1129         if (glowsize)
1130                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1131         if (flags & RENDER_GLOWTRAIL)
1132                 specialvisibilityradius = max(specialvisibilityradius, 100);
1133         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1134         {
1135                 if (effects & EF_BRIGHTFIELD)
1136                         specialvisibilityradius = max(specialvisibilityradius, 80);
1137                 if (effects & EF_MUZZLEFLASH)
1138                         specialvisibilityradius = max(specialvisibilityradius, 100);
1139                 if (effects & EF_BRIGHTLIGHT)
1140                         specialvisibilityradius = max(specialvisibilityradius, 400);
1141                 if (effects & EF_DIMLIGHT)
1142                         specialvisibilityradius = max(specialvisibilityradius, 200);
1143                 if (effects & EF_RED)
1144                         specialvisibilityradius = max(specialvisibilityradius, 200);
1145                 if (effects & EF_BLUE)
1146                         specialvisibilityradius = max(specialvisibilityradius, 200);
1147                 if (effects & EF_FLAME)
1148                         specialvisibilityradius = max(specialvisibilityradius, 250);
1149                 if (effects & EF_STARDUST)
1150                         specialvisibilityradius = max(specialvisibilityradius, 100);
1151         }
1152
1153         // early culling checks
1154         // (final culling is done by SV_MarkWriteEntityStateToClient)
1155         customizeentityforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.customizeentityforclient)->function;
1156         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1157                 return false;
1158
1159         *cs = defaultstate;
1160         cs->active = ACTIVE_NETWORK;
1161         cs->number = enumber;
1162         VectorCopy(ent->fields.server->origin, cs->origin);
1163         VectorCopy(ent->fields.server->angles, cs->angles);
1164         cs->flags = flags;
1165         cs->effects = effects;
1166         cs->colormap = (unsigned)ent->fields.server->colormap;
1167         cs->modelindex = modelindex;
1168         cs->skin = (unsigned)ent->fields.server->skin;
1169         cs->frame = (unsigned)ent->fields.server->frame;
1170         cs->viewmodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict;
1171         cs->exteriormodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.exteriormodeltoclient)->edict;
1172         cs->nodrawtoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.nodrawtoclient)->edict;
1173         cs->drawonlytoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.drawonlytoclient)->edict;
1174         cs->customizeentityforclient = customizeentityforclient;
1175         cs->tagentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_entity)->edict;
1176         cs->tagindex = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_index)->_float;
1177         cs->glowsize = glowsize;
1178
1179         // don't need to init cs->colormod because the defaultstate did that for us
1180         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1181         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.colormod);
1182         if (val->vector[0] || val->vector[1] || val->vector[2])
1183         {
1184                 i = (int)(val->vector[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1185                 i = (int)(val->vector[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1186                 i = (int)(val->vector[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1187         }
1188
1189         // don't need to init cs->glowmod because the defaultstate did that for us
1190         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1191         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glowmod);
1192         if (val->vector[0] || val->vector[1] || val->vector[2])
1193         {
1194                 i = (int)(val->vector[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1195                 i = (int)(val->vector[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1196                 i = (int)(val->vector[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1197         }
1198
1199         cs->modelindex = modelindex;
1200
1201         cs->alpha = 255;
1202         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.alpha)->_float * 255.0f);
1203         if (f)
1204         {
1205                 i = (int)f;
1206                 cs->alpha = (unsigned char)bound(0, i, 255);
1207         }
1208         // halflife
1209         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.renderamt)->_float);
1210         if (f)
1211         {
1212                 i = (int)f;
1213                 cs->alpha = (unsigned char)bound(0, i, 255);
1214         }
1215
1216         cs->scale = 16;
1217         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.scale)->_float * 16.0f);
1218         if (f)
1219         {
1220                 i = (int)f;
1221                 cs->scale = (unsigned char)bound(0, i, 255);
1222         }
1223
1224         cs->glowcolor = 254;
1225         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_color)->_float);
1226         if (f)
1227                 cs->glowcolor = (int)f;
1228
1229         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.fullbright)->_float)
1230                 cs->effects |= EF_FULLBRIGHT;
1231
1232         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.modelflags);
1233         if (val && val->_float)
1234                 cs->effects |= ((unsigned int)val->_float & 0xff) << 24;
1235
1236         if (ent->fields.server->movetype == MOVETYPE_STEP)
1237                 cs->flags |= RENDER_STEP;
1238         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)
1239                 cs->flags |= RENDER_LOWPRECISION;
1240         if (ent->fields.server->colormap >= 1024)
1241                 cs->flags |= RENDER_COLORMAPPED;
1242         if (cs->viewmodelforclient)
1243                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1244
1245         cs->light[0] = light[0];
1246         cs->light[1] = light[1];
1247         cs->light[2] = light[2];
1248         cs->light[3] = light[3];
1249         cs->lightstyle = lightstyle;
1250         cs->lightpflags = lightpflags;
1251
1252         cs->specialvisibilityradius = specialvisibilityradius;
1253
1254         // calculate the visible box of this entity (don't use the physics box
1255         // as that is often smaller than a model, and would not count
1256         // specialvisibilityradius)
1257         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1258         {
1259                 float scale = cs->scale * (1.0f / 16.0f);
1260                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1261                 {
1262                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1263                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1264                 }
1265                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1266                 {
1267                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1268                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1269                 }
1270                 else
1271                 {
1272                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1273                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1274                 }
1275         }
1276         else
1277         {
1278                 // if there is no model (or it could not be loaded), use the physics box
1279                 VectorAdd(cs->origin, ent->fields.server->mins, cullmins);
1280                 VectorAdd(cs->origin, ent->fields.server->maxs, cullmaxs);
1281         }
1282         if (specialvisibilityradius)
1283         {
1284                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1285                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1286                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1287                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1288                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1289                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1290         }
1291
1292         // calculate center of bbox for network prioritization purposes
1293         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1294
1295         // if culling box has moved, update pvs cluster links
1296         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1297         {
1298                 VectorCopy(cullmins, ent->priv.server->cullmins);
1299                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1300                 // a value of -1 for pvs_numclusters indicates that the links are not
1301                 // cached, and should be re-tested each time, this is the case if the
1302                 // culling box touches too many pvs clusters to store, or if the world
1303                 // model does not support FindBoxClusters
1304                 ent->priv.server->pvs_numclusters = -1;
1305                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1306                 {
1307                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1308                         if (i <= MAX_ENTITYCLUSTERS)
1309                                 ent->priv.server->pvs_numclusters = i;
1310                 }
1311         }
1312
1313         // we need to do some csqc entity upkeep here
1314         // get self.SendFlags and clear them
1315         // (to let the QC know that they've been read)
1316         if (sendentity)
1317         {
1318                 val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendFlags);
1319                 sendflags = (unsigned int)val->_float;
1320                 val->_float = 0;
1321                 // legacy self.Version system
1322                 val2 = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.Version);
1323                 if (val2->_float)
1324                 {
1325                         version = (unsigned int)val2->_float;
1326                         if (sv.csqcentityversion[enumber] != version)
1327                                 sendflags = 0xFFFFFF;
1328                         sv.csqcentityversion[enumber] = version;
1329                 }
1330                 // move sendflags into the per-client sendflags
1331                 if (sendflags)
1332                         for (i = 0;i < svs.maxclients;i++)
1333                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1334                 // mark it as inactive for non-csqc networking
1335                 cs->active = ACTIVE_SHARED;
1336         }
1337
1338         return true;
1339 }
1340
1341 void SV_PrepareEntitiesForSending(void)
1342 {
1343         int e;
1344         prvm_edict_t *ent;
1345         // send all entities that touch the pvs
1346         sv.numsendentities = 0;
1347         sv.sendentitiesindex[0] = NULL;
1348         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1349         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1350         {
1351                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1352                 {
1353                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1354                         sv.numsendentities++;
1355                 }
1356         }
1357 }
1358
1359 #define MAX_LINEOFSIGHTTRACES 64
1360
1361 qboolean SV_CanSeeBox(int numtraces, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1362 {
1363         float pitchsign;
1364         float alpha;
1365         float starttransformed[3], endtransformed[3];
1366         int blocked = 0;
1367         int traceindex;
1368         int originalnumtouchedicts;
1369         int numtouchedicts = 0;
1370         int touchindex;
1371         matrix4x4_t matrix, imatrix;
1372         dp_model_t *model;
1373         prvm_edict_t *touch;
1374         static prvm_edict_t *touchedicts[MAX_EDICTS];
1375         vec3_t boxmins, boxmaxs;
1376         vec3_t clipboxmins, clipboxmaxs;
1377         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1378
1379         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1380
1381         // expand the box a little
1382         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
1383         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
1384         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
1385         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
1386         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
1387         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
1388
1389         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1390         for (traceindex = 1;traceindex < numtraces;traceindex++)
1391                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1392
1393         // calculate sweep box for the entire swarm of traces
1394         VectorCopy(eye, clipboxmins);
1395         VectorCopy(eye, clipboxmaxs);
1396         for (traceindex = 0;traceindex < numtraces;traceindex++)
1397         {
1398                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1399                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1400                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1401                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1402                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1403                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1404         }
1405
1406         // get the list of entities in the sweep box
1407         if (sv_cullentities_trace_entityocclusion.integer)
1408                 numtouchedicts = World_EntitiesInBox(&sv.world, clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1409         if (numtouchedicts > MAX_EDICTS)
1410         {
1411                 // this never happens
1412                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1413                 numtouchedicts = MAX_EDICTS;
1414         }
1415         // iterate the entities found in the sweep box and filter them
1416         originalnumtouchedicts = numtouchedicts;
1417         numtouchedicts = 0;
1418         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1419         {
1420                 touch = touchedicts[touchindex];
1421                 if (touch->fields.server->solid != SOLID_BSP)
1422                         continue;
1423                 model = SV_GetModelFromEdict(touch);
1424                 if (!model || !model->brush.TraceLineOfSight)
1425                         continue;
1426                 // skip obviously transparent entities
1427                 alpha = PRVM_EDICTFIELDVALUE(touch, prog->fieldoffsets.alpha)->_float;
1428                 if (alpha && alpha < 1)
1429                         continue;
1430                 if ((int)touch->fields.server->effects & EF_ADDITIVE)
1431                         continue;
1432                 touchedicts[numtouchedicts++] = touch;
1433         }
1434
1435         // now that we have a filtered list of "interesting" entities, fire each
1436         // ray against all of them, this gives us an early-out case when something
1437         // is visible (which it often is)
1438
1439         for (traceindex = 0;traceindex < numtraces;traceindex++)
1440         {
1441                 // check world occlusion
1442                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1443                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, eye, endpoints[traceindex]))
1444                                 continue;
1445                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1446                 {
1447                         touch = touchedicts[touchindex];
1448                         model = SV_GetModelFromEdict(touch);
1449                         if(model && model->brush.TraceLineOfSight)
1450                         {
1451                                 // get the entity matrix
1452                                 pitchsign = SV_GetPitchSign(touch);
1453                                 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);
1454                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1455                                 // see if the ray hits this entity
1456                                 Matrix4x4_Transform(&imatrix, eye, starttransformed);
1457                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1458                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed))
1459                                 {
1460                                         blocked++;
1461                                         break;
1462                                 }
1463                         }
1464                 }
1465                 // check if the ray was blocked
1466                 if (touchindex < numtouchedicts)
1467                         continue;
1468                 // return if the ray was not blocked
1469                 return true;
1470         }
1471
1472         // no rays survived
1473         return false;
1474 }
1475
1476 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1477 {
1478         int isbmodel;
1479         dp_model_t *model;
1480         prvm_edict_t *ed;
1481         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1482                 return;
1483         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1484         sv.writeentitiestoclient_stats_totalentities++;
1485
1486         if (s->customizeentityforclient)
1487         {
1488                 prog->globals.server->self = s->number;
1489                 prog->globals.server->other = sv.writeentitiestoclient_cliententitynumber;
1490                 PRVM_ExecuteProgram(s->customizeentityforclient, "customizeentityforclient: NULL function");
1491                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1492                         return;
1493         }
1494
1495         // never reject player
1496         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1497         {
1498                 // check various rejection conditions
1499                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1500                         return;
1501                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1502                         return;
1503                 if (s->effects & EF_NODRAW)
1504                         return;
1505                 // LordHavoc: only send entities with a model or important effects
1506                 if (!s->modelindex && s->specialvisibilityradius == 0)
1507                         return;
1508
1509                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1510                 // viewmodels don't have visibility checking
1511                 if (s->viewmodelforclient)
1512                 {
1513                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1514                                 return;
1515                 }
1516                 else if (s->tagentity)
1517                 {
1518                         // tag attached entities simply check their parent
1519                         if (!sv.sendentitiesindex[s->tagentity])
1520                                 return;
1521                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1522                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1523                                 return;
1524                 }
1525                 // always send world submodels in newer protocols because they don't
1526                 // generate much traffic (in old protocols they hog bandwidth)
1527                 // but only if sv_cullentities_nevercullbmodels is off
1528                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1529                 {
1530                         // entity has survived every check so far, check if visible
1531                         ed = PRVM_EDICT_NUM(s->number);
1532
1533                         // if not touching a visible leaf
1534                         if (sv_cullentities_pvs.integer && !r_novis.integer && sv.writeentitiestoclient_pvsbytes)
1535                         {
1536                                 if (ed->priv.server->pvs_numclusters < 0)
1537                                 {
1538                                         // entity too big for clusters list
1539                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1540                                         {
1541                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1542                                                 return;
1543                                         }
1544                                 }
1545                                 else
1546                                 {
1547                                         int i;
1548                                         // check cached clusters list
1549                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1550                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1551                                                         break;
1552                                         if (i == ed->priv.server->pvs_numclusters)
1553                                         {
1554                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1555                                                 return;
1556                                         }
1557                                 }
1558                         }
1559
1560                         // or not seen by random tracelines
1561                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel->brush.TraceLineOfSight)
1562                         {
1563                                 int samples =
1564                                         s->number <= svs.maxclients
1565                                                 ? sv_cullentities_trace_samples_players.integer
1566                                                 :
1567                                         s->specialvisibilityradius
1568                                                 ? sv_cullentities_trace_samples_extra.integer
1569                                                 : sv_cullentities_trace_samples.integer;
1570                                 float enlarge = sv_cullentities_trace_enlarge.value;
1571
1572                                 if(samples > 0)
1573                                 {
1574                                         int eyeindex;
1575                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1576                                                 if(SV_CanSeeBox(samples, enlarge, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1577                                                         break;
1578                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1579                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1580                                                         realtime + (
1581                                                                 s->number <= svs.maxclients
1582                                                                         ? sv_cullentities_trace_delay_players.value
1583                                                                         : sv_cullentities_trace_delay.value
1584                                                         );
1585                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1586                                         {
1587                                                 sv.writeentitiestoclient_stats_culled_trace++;
1588                                                 return;
1589                                         }
1590                                 }
1591                         }
1592                 }
1593         }
1594
1595         // this just marks it for sending
1596         // FIXME: it would be more efficient to send here, but the entity
1597         // compressor isn't that flexible
1598         sv.writeentitiestoclient_stats_visibleentities++;
1599         sv.sententities[s->number] = sv.sententitiesmark;
1600 }
1601
1602 #if MAX_LEVELNETWORKEYES > 0
1603 #define MAX_EYE_RECURSION 1 // increase if recursion gets supported by portals
1604 void SV_AddCameraEyes(void)
1605 {
1606         int e, i, j, k;
1607         prvm_edict_t *ed;
1608         int cameras[MAX_LEVELNETWORKEYES];
1609         vec3_t camera_origins[MAX_LEVELNETWORKEYES];
1610         int eye_levels[MAX_CLIENTNETWORKEYES];
1611         int n_cameras = 0;
1612         vec3_t mi, ma;
1613         prvm_eval_t *valendpos, *val;
1614
1615         if(!prog->fieldoffsets.camera_transform)
1616                 return;
1617         valendpos = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_endpos);
1618         if(!valendpos)
1619                 return;
1620
1621         for(i = 0; i < sv.writeentitiestoclient_numeyes; ++i)
1622                 eye_levels[i] = 0;
1623
1624         // check line of sight to portal entities and add them to PVS
1625         for (e = 1, ed = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ed = PRVM_NEXT_EDICT(ed))
1626         {
1627                 if (!ed->priv.server->free)
1628                 {
1629                         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.camera_transform)) && val->function)
1630                         {
1631                                 prog->globals.server->self = e;
1632                                 prog->globals.server->other = sv.writeentitiestoclient_cliententitynumber;
1633                                 VectorCopy(sv.writeentitiestoclient_eyes[0], valendpos->vector);
1634                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_G_VECTOR(OFS_PARM0));
1635                                 VectorClear(PRVM_G_VECTOR(OFS_PARM1));
1636                                 PRVM_ExecuteProgram(val->function, "QC function e.camera_transform is missing");
1637                                 if(!VectorCompare(valendpos->vector, sv.writeentitiestoclient_eyes[0]))
1638                                         VectorCopy(valendpos->vector, camera_origins[n_cameras]);
1639                                 cameras[n_cameras] = e;
1640                                 ++n_cameras;
1641                                 if(n_cameras >= MAX_LEVELNETWORKEYES)
1642                                         break;
1643                         }
1644                 }
1645         }
1646
1647         if(!n_cameras)
1648                 return;
1649
1650         // i is loop counter, is reset to 0 when an eye got added
1651         // j is camera index to check
1652         for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras)
1653         {
1654                 if(!cameras[j])
1655                         continue;
1656                 ed = PRVM_EDICT_NUM(cameras[j]);
1657                 VectorAdd(ed->fields.server->origin, ed->fields.server->mins, mi);
1658                 VectorAdd(ed->fields.server->origin, ed->fields.server->maxs, ma);
1659                 for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k)
1660                 if(eye_levels[k] <= MAX_EYE_RECURSION)
1661                 {
1662                         if(SV_CanSeeBox(sv_cullentities_trace_samples.integer, sv_cullentities_trace_enlarge.value, sv.writeentitiestoclient_eyes[k], mi, ma))
1663                         {
1664                                 eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1;
1665                                 VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1666                                 // Con_Printf("added eye %d: %f %f %f because we can see %f %f %f .. %f %f %f from eye %d\n", j, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes][0], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes][1], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes][2], mi[0], mi[1], mi[2], ma[0], ma[1], ma[2], k);
1667                                 sv.writeentitiestoclient_numeyes++;
1668                                 cameras[j] = 0;
1669                                 i = 0;
1670                                 break;
1671                         }
1672                 }
1673         }
1674 }
1675 #else
1676 void SV_AddCameraEyes(void)
1677 {
1678 }
1679 #endif
1680
1681 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1682 {
1683         qboolean need_empty = false;
1684         int i, numsendstates, numcsqcsendstates;
1685         entity_state_t *s;
1686         prvm_edict_t *camera;
1687         qboolean success;
1688         vec3_t eye;
1689
1690         // if there isn't enough space to accomplish anything, skip it
1691         if (msg->cursize + 25 > maxsize)
1692                 return;
1693
1694         sv.writeentitiestoclient_msg = msg;
1695         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1696
1697         sv.writeentitiestoclient_stats_culled_pvs = 0;
1698         sv.writeentitiestoclient_stats_culled_trace = 0;
1699         sv.writeentitiestoclient_stats_visibleentities = 0;
1700         sv.writeentitiestoclient_stats_totalentities = 0;
1701         sv.writeentitiestoclient_numeyes = 0;
1702
1703         // get eye location
1704         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1705         camera = PRVM_EDICT_NUM( client->clientcamera );
1706         VectorAdd(camera->fields.server->origin, clent->fields.server->view_ofs, eye);
1707         sv.writeentitiestoclient_pvsbytes = 0;
1708         // get the PVS values for the eye location, later FatPVS calls will merge
1709         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1710                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1711
1712         // add the eye to a list for SV_CanSeeBox tests
1713         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1714         sv.writeentitiestoclient_numeyes++;
1715
1716         // calculate predicted eye origin for SV_CanSeeBox tests
1717         if (sv_cullentities_trace_prediction.integer)
1718         {
1719                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1720                 vec3_t predeye;
1721                 VectorMA(eye, predtime, camera->fields.server->velocity, predeye);
1722                 if (SV_CanSeeBox(1, 0, eye, predeye, predeye))
1723                 {
1724                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1725                         sv.writeentitiestoclient_numeyes++;
1726                 }
1727                 //if (!sv.writeentitiestoclient_useprediction)
1728                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1729         }
1730
1731         SV_AddCameraEyes();
1732
1733         // build PVS from the new eyes
1734         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1735                 for(i = 1; i < sv.writeentitiestoclient_numeyes; ++i)
1736                         sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, sv.writeentitiestoclient_eyes[i], 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1737
1738         sv.sententitiesmark++;
1739
1740         for (i = 0;i < sv.numsendentities;i++)
1741                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1742
1743         numsendstates = 0;
1744         numcsqcsendstates = 0;
1745         for (i = 0;i < sv.numsendentities;i++)
1746         {
1747                 s = &sv.sendentities[i];
1748                 if (sv.sententities[s->number] == sv.sententitiesmark)
1749                 {
1750                         if(s->active == ACTIVE_NETWORK)
1751                         {
1752                                 if (s->exteriormodelforclient)
1753                                 {
1754                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1755                                                 s->flags |= RENDER_EXTERIORMODEL;
1756                                         else
1757                                                 s->flags &= ~RENDER_EXTERIORMODEL;
1758                                 }
1759                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
1760                         }
1761                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1762                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
1763                         else
1764                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
1765                 }
1766         }
1767
1768         if (sv_cullentities_stats.integer)
1769                 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);
1770
1771         if(client->entitydatabase5)
1772                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1773         else
1774                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1775
1776         if(client->num_skippedentityframes >= 10)
1777                 need_empty = true; // force every 10th frame to be not empty (or cl_movement replay takes too long)
1778
1779         if (client->entitydatabase5)
1780                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1781         else if (client->entitydatabase4)
1782         {
1783                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1784                 Protocol_WriteStatsReliable();
1785         }
1786         else if (client->entitydatabase)
1787         {
1788                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1789                 Protocol_WriteStatsReliable();
1790         }
1791         else
1792         {
1793                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1794                 Protocol_WriteStatsReliable();
1795         }
1796
1797         if(success)
1798                 client->num_skippedentityframes = 0;
1799         else
1800                 ++client->num_skippedentityframes;
1801 }
1802
1803 /*
1804 =============
1805 SV_CleanupEnts
1806
1807 =============
1808 */
1809 static void SV_CleanupEnts (void)
1810 {
1811         int             e;
1812         prvm_edict_t    *ent;
1813
1814         ent = PRVM_NEXT_EDICT(prog->edicts);
1815         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1816                 ent->fields.server->effects = (int)ent->fields.server->effects & ~EF_MUZZLEFLASH;
1817 }
1818
1819 /*
1820 ==================
1821 SV_WriteClientdataToMessage
1822
1823 ==================
1824 */
1825 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1826 {
1827         int             bits;
1828         int             i;
1829         prvm_edict_t    *other;
1830         int             items;
1831         prvm_eval_t     *val;
1832         vec3_t  punchvector;
1833         int             viewzoom;
1834         const char *s;
1835         float   *statsf = (float *)stats;
1836
1837 //
1838 // send a damage message
1839 //
1840         if (ent->fields.server->dmg_take || ent->fields.server->dmg_save)
1841         {
1842                 other = PRVM_PROG_TO_EDICT(ent->fields.server->dmg_inflictor);
1843                 MSG_WriteByte (msg, svc_damage);
1844                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_save);
1845                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_take);
1846                 for (i=0 ; i<3 ; i++)
1847                         MSG_WriteCoord (msg, other->fields.server->origin[i] + 0.5*(other->fields.server->mins[i] + other->fields.server->maxs[i]), sv.protocol);
1848
1849                 ent->fields.server->dmg_take = 0;
1850                 ent->fields.server->dmg_save = 0;
1851         }
1852
1853 //
1854 // send the current viewpos offset from the view entity
1855 //
1856         SV_SetIdealPitch ();            // how much to look up / down ideally
1857
1858 // a fixangle might get lost in a dropped packet.  Oh well.
1859         if(ent->fields.server->fixangle)
1860         {
1861                 // angle fixing was requested by global thinking code...
1862                 // so store the current angles for later use
1863                 memcpy(host_client->fixangle_angles, ent->fields.server->angles, sizeof(host_client->fixangle_angles));
1864                 host_client->fixangle_angles_set = TRUE;
1865
1866                 // and clear fixangle for the next frame
1867                 ent->fields.server->fixangle = 0;
1868         }
1869
1870         if (host_client->fixangle_angles_set)
1871         {
1872                 MSG_WriteByte (msg, svc_setangle);
1873                 for (i=0 ; i < 3 ; i++)
1874                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
1875                 host_client->fixangle_angles_set = FALSE;
1876         }
1877
1878         // stuff the sigil bits into the high bits of items for sbar, or else
1879         // mix in items2
1880         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.items2);
1881         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1882                 items = (int)ent->fields.server->items | ((int)val->_float << 23);
1883         else
1884                 items = (int)ent->fields.server->items | ((int)prog->globals.server->serverflags << 28);
1885
1886         VectorClear(punchvector);
1887         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.punchvector)))
1888                 VectorCopy(val->vector, punchvector);
1889
1890         // cache weapon model name and index in client struct to save time
1891         // (this search can be almost 1% of cpu time!)
1892         s = PRVM_GetString(ent->fields.server->weaponmodel);
1893         if (strcmp(s, client->weaponmodel))
1894         {
1895                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
1896                 client->weaponmodelindex = SV_ModelIndex(s, 1);
1897         }
1898
1899         viewzoom = 255;
1900         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewzoom)))
1901                 viewzoom = (int)(val->_float * 255.0f);
1902         if (viewzoom == 0)
1903                 viewzoom = 255;
1904
1905         bits = 0;
1906
1907         if ((int)ent->fields.server->flags & FL_ONGROUND)
1908                 bits |= SU_ONGROUND;
1909         if (ent->fields.server->waterlevel >= 2)
1910                 bits |= SU_INWATER;
1911         if (ent->fields.server->idealpitch)
1912                 bits |= SU_IDEALPITCH;
1913
1914         for (i=0 ; i<3 ; i++)
1915         {
1916                 if (ent->fields.server->punchangle[i])
1917                         bits |= (SU_PUNCH1<<i);
1918                 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)
1919                         if (punchvector[i])
1920                                 bits |= (SU_PUNCHVEC1<<i);
1921                 if (ent->fields.server->velocity[i])
1922                         bits |= (SU_VELOCITY1<<i);
1923         }
1924
1925         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
1926         stats[STAT_VIEWHEIGHT] = (int)ent->fields.server->view_ofs[2];
1927         stats[STAT_ITEMS] = items;
1928         stats[STAT_WEAPONFRAME] = (int)ent->fields.server->weaponframe;
1929         stats[STAT_ARMOR] = (int)ent->fields.server->armorvalue;
1930         stats[STAT_WEAPON] = client->weaponmodelindex;
1931         stats[STAT_HEALTH] = (int)ent->fields.server->health;
1932         stats[STAT_AMMO] = (int)ent->fields.server->currentammo;
1933         stats[STAT_SHELLS] = (int)ent->fields.server->ammo_shells;
1934         stats[STAT_NAILS] = (int)ent->fields.server->ammo_nails;
1935         stats[STAT_ROCKETS] = (int)ent->fields.server->ammo_rockets;
1936         stats[STAT_CELLS] = (int)ent->fields.server->ammo_cells;
1937         stats[STAT_ACTIVEWEAPON] = (int)ent->fields.server->weapon;
1938         stats[STAT_VIEWZOOM] = viewzoom;
1939         stats[STAT_TOTALSECRETS] = (int)prog->globals.server->total_secrets;
1940         stats[STAT_TOTALMONSTERS] = (int)prog->globals.server->total_monsters;
1941         // the QC bumps these itself by sending svc_'s, so we have to keep them
1942         // zero or they'll be corrected by the engine
1943         //stats[STAT_SECRETS] = prog->globals.server->found_secrets;
1944         //stats[STAT_MONSTERS] = prog->globals.server->killed_monsters;
1945
1946         // movement settings for prediction
1947         // note: these are not sent in protocols with lower MAX_CL_STATS limits
1948         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
1949                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
1950                 | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0)
1951                 | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0)
1952         ;
1953         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
1954         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
1955         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
1956         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
1957         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
1958         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
1959         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
1960         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
1961         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
1962         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.gravity);
1963         statsf[STAT_MOVEVARS_ENTGRAVITY] = (val && val->_float != 0) ? val->_float : 1.0f;
1964         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
1965         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
1966         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
1967         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
1968         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
1969         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
1970         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
1971         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
1972         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
1973         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
1974         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
1975         statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value;
1976         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
1977         statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value;
1978         statsf[STAT_MOVEVARS_AIRCONTROL_PENALTY] = sv_aircontrol_penalty.value;
1979         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
1980         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
1981         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
1982         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
1983         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
1984         statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW] = sv_airspeedlimit_nonqw.value;
1985         statsf[STAT_FRAGLIMIT] = fraglimit.value;
1986         statsf[STAT_TIMELIMIT] = timelimit.value;
1987
1988         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)
1989         {
1990                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
1991                 bits |= SU_ITEMS;
1992                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
1993                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
1994                 bits |= SU_WEAPON;
1995                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
1996                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
1997                         if (viewzoom != 255)
1998                                 bits |= SU_VIEWZOOM;
1999         }
2000
2001         if (bits >= 65536)
2002                 bits |= SU_EXTEND1;
2003         if (bits >= 16777216)
2004                 bits |= SU_EXTEND2;
2005
2006         // send the data
2007         MSG_WriteByte (msg, svc_clientdata);
2008         MSG_WriteShort (msg, bits);
2009         if (bits & SU_EXTEND1)
2010                 MSG_WriteByte(msg, bits >> 16);
2011         if (bits & SU_EXTEND2)
2012                 MSG_WriteByte(msg, bits >> 24);
2013
2014         if (bits & SU_VIEWHEIGHT)
2015                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
2016
2017         if (bits & SU_IDEALPITCH)
2018                 MSG_WriteChar (msg, (int)ent->fields.server->idealpitch);
2019
2020         for (i=0 ; i<3 ; i++)
2021         {
2022                 if (bits & (SU_PUNCH1<<i))
2023                 {
2024                         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)
2025                                 MSG_WriteChar(msg, (int)ent->fields.server->punchangle[i]);
2026                         else
2027                                 MSG_WriteAngle16i(msg, ent->fields.server->punchangle[i]);
2028                 }
2029                 if (bits & (SU_PUNCHVEC1<<i))
2030                 {
2031                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2032                                 MSG_WriteCoord16i(msg, punchvector[i]);
2033                         else
2034                                 MSG_WriteCoord32f(msg, punchvector[i]);
2035                 }
2036                 if (bits & (SU_VELOCITY1<<i))
2037                 {
2038                         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)
2039                                 MSG_WriteChar(msg, (int)(ent->fields.server->velocity[i] * (1.0f / 16.0f)));
2040                         else
2041                                 MSG_WriteCoord32f(msg, ent->fields.server->velocity[i]);
2042                 }
2043         }
2044
2045         if (bits & SU_ITEMS)
2046                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
2047
2048         if (sv.protocol == PROTOCOL_DARKPLACES5)
2049         {
2050                 if (bits & SU_WEAPONFRAME)
2051                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
2052                 if (bits & SU_ARMOR)
2053                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
2054                 if (bits & SU_WEAPON)
2055                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
2056                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2057                 MSG_WriteShort (msg, stats[STAT_AMMO]);
2058                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
2059                 MSG_WriteShort (msg, stats[STAT_NAILS]);
2060                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
2061                 MSG_WriteShort (msg, stats[STAT_CELLS]);
2062                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
2063                 if (bits & SU_VIEWZOOM)
2064                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2065         }
2066         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)
2067         {
2068                 if (bits & SU_WEAPONFRAME)
2069                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
2070                 if (bits & SU_ARMOR)
2071                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
2072                 if (bits & SU_WEAPON)
2073                 {
2074                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2075                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
2076                         else
2077                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
2078                 }
2079                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2080                 MSG_WriteByte (msg, stats[STAT_AMMO]);
2081                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
2082                 MSG_WriteByte (msg, stats[STAT_NAILS]);
2083                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
2084                 MSG_WriteByte (msg, stats[STAT_CELLS]);
2085                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
2086                 {
2087                         for (i = 0;i < 32;i++)
2088                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
2089                                         break;
2090                         MSG_WriteByte (msg, i);
2091                 }
2092                 else
2093                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
2094                 if (bits & SU_VIEWZOOM)
2095                 {
2096                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2097                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
2098                         else
2099                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2100                 }
2101         }
2102 }
2103
2104 void SV_FlushBroadcastMessages(void)
2105 {
2106         int i;
2107         client_t *client;
2108         if (sv.datagram.cursize <= 0)
2109                 return;
2110         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2111         {
2112                 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])))
2113                         continue;
2114                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2115                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2116         }
2117         SZ_Clear(&sv.datagram);
2118 }
2119
2120 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2121 {
2122         // scan the splitpoints to find out how many we can fit in
2123         int numsegments, j, split;
2124         if (!client->unreliablemsg_splitpoints)
2125                 return;
2126         // always accept the first one if it's within 1024 bytes, this ensures
2127         // that very big datagrams which are over the rate limit still get
2128         // through, just to keep it working
2129         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2130                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2131                         break;
2132         // the first segment gets an exemption from the rate limiting, otherwise
2133         // it could get dropped consistently due to a low rate limit
2134         if (numsegments == 1)
2135                 maxsize = maxsize2;
2136         // some will fit, so add the ones that will fit
2137         split = client->unreliablemsg_splitpoint[numsegments-1];
2138         // note this discards ones that were accepted by the segments scan but
2139         // can not fit, such as a really huge first one that will never ever
2140         // fit in a packet...
2141         if (msg->cursize + split <= maxsize)
2142                 SZ_Write(msg, client->unreliablemsg.data, split);
2143         // remove the part we sent, keeping any remaining data
2144         client->unreliablemsg.cursize -= split;
2145         if (client->unreliablemsg.cursize > 0)
2146                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2147         // adjust remaining splitpoints
2148         client->unreliablemsg_splitpoints -= numsegments;
2149         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2150                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2151 }
2152
2153 /*
2154 =======================
2155 SV_SendClientDatagram
2156 =======================
2157 */
2158 static void SV_SendClientDatagram (client_t *client)
2159 {
2160         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2161         sizebuf_t msg;
2162         int stats[MAX_CL_STATS];
2163         static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2164
2165         // obey rate limit by limiting packet frequency if the packet size
2166         // limiting fails
2167         // (usually this is caused by reliable messages)
2168         if (!NetConn_CanSend(client->netconnection))
2169                 return;
2170
2171         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2172         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2173         if (sv_maxrate.integer != maxrate)
2174                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2175
2176         // clientrate determines the 'cleartime' of a packet
2177         // (how long to wait before sending another, based on this packet's size)
2178         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2179
2180         switch (sv.protocol)
2181         {
2182         case PROTOCOL_QUAKE:
2183         case PROTOCOL_QUAKEDP:
2184         case PROTOCOL_NEHAHRAMOVIE:
2185         case PROTOCOL_NEHAHRABJP:
2186         case PROTOCOL_NEHAHRABJP2:
2187         case PROTOCOL_NEHAHRABJP3:
2188         case PROTOCOL_QUAKEWORLD:
2189                 // no packet size limit support on Quake protocols because it just
2190                 // causes missing entities/effects
2191                 // packets are simply sent less often to obey the rate limit
2192                 maxsize = 1024;
2193                 maxsize2 = 1024;
2194                 break;
2195         case PROTOCOL_DARKPLACES1:
2196         case PROTOCOL_DARKPLACES2:
2197         case PROTOCOL_DARKPLACES3:
2198         case PROTOCOL_DARKPLACES4:
2199                 // no packet size limit support on DP1-4 protocols because they kick
2200                 // the client off if they overflow, and miss effects
2201                 // packets are simply sent less often to obey the rate limit
2202                 maxsize = sizeof(sv_sendclientdatagram_buf);
2203                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2204                 break;
2205         default:
2206                 // DP5 and later protocols support packet size limiting which is a
2207                 // better method than limiting packet frequency as QW does
2208                 //
2209                 // at very low rates (or very small sys_ticrate) the packet size is
2210                 // not reduced below 128, but packets may be sent less often
2211                 maxsize = (int)(clientrate * sys_ticrate.value);
2212                 maxsize = bound(128, maxsize, 1400);
2213                 maxsize2 = 1400;
2214                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2215                 // mods that use csqc (they are likely to use less bandwidth anyway)
2216                 if (sv.csqc_progsize > 0)
2217                         maxsize = maxsize2;
2218                 break;
2219         }
2220
2221         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2222         {
2223                 // for good singleplayer, send huge packets
2224                 maxsize = sizeof(sv_sendclientdatagram_buf);
2225                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2226                 // never limit frequency in singleplayer
2227                 clientrate = 1000000000;
2228         }
2229
2230         // while downloading, limit entity updates to half the packet
2231         // (any leftover space will be used for downloading)
2232         if (host_client->download_file)
2233                 maxsize /= 2;
2234
2235         msg.data = sv_sendclientdatagram_buf;
2236         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2237         msg.cursize = 0;
2238         msg.allowoverflow = false;
2239
2240         if (host_client->spawned)
2241         {
2242                 // the player is in the game
2243                 MSG_WriteByte (&msg, svc_time);
2244                 MSG_WriteFloat (&msg, sv.time);
2245
2246                 // add the client specific data to the datagram
2247                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2248                 // now update the stats[] array using any registered custom fields
2249                 VM_SV_UpdateCustomStats (client, client->edict, &msg, stats);
2250                 // set host_client->statsdeltabits
2251                 Protocol_UpdateClientStats (stats);
2252
2253                 // add as many queued unreliable messages (effects) as we can fit
2254                 // limit effects to half of the remaining space
2255                 if (client->unreliablemsg.cursize)
2256                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2257
2258                 // now write as many entities as we can fit, and also sends stats
2259                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2260         }
2261         else if (realtime > client->keepalivetime)
2262         {
2263                 // the player isn't totally in the game yet
2264                 // send small keepalive messages if too much time has passed
2265                 // (may also be sending downloads)
2266                 client->keepalivetime = realtime + 5;
2267                 MSG_WriteChar (&msg, svc_nop);
2268         }
2269
2270         // if a download is active, see if there is room to fit some download data
2271         // in this packet
2272         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2273         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2274         {
2275                 fs_offset_t downloadstart;
2276                 unsigned char data[1400];
2277                 downloadstart = FS_Tell(host_client->download_file);
2278                 downloadsize = min(downloadsize, (int)sizeof(data));
2279                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2280                 // note this sends empty messages if at the end of the file, which is
2281                 // necessary to keep the packet loss logic working
2282                 // (the last blocks may be lost and need to be re-sent, and that will
2283                 //  only occur if the client acks the empty end messages, revealing
2284                 //  a gap in the download progress, causing the last blocks to be
2285                 //  sent again)
2286                 MSG_WriteChar (&msg, svc_downloaddata);
2287                 MSG_WriteLong (&msg, downloadstart);
2288                 MSG_WriteShort (&msg, downloadsize);
2289                 if (downloadsize > 0)
2290                         SZ_Write (&msg, data, downloadsize);
2291         }
2292
2293         // reliable only if none is in progress
2294         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2295                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2296         // unreliable
2297         SV_WriteDemoMessage(client, &msg, false);
2298
2299 // send the datagram
2300         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2301         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2302                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2303 }
2304
2305 /*
2306 =======================
2307 SV_UpdateToReliableMessages
2308 =======================
2309 */
2310 static void SV_UpdateToReliableMessages (void)
2311 {
2312         int i, j;
2313         client_t *client;
2314         prvm_eval_t *val;
2315         const char *name;
2316         const char *model;
2317         const char *skin;
2318
2319 // check for changes to be sent over the reliable streams
2320         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2321         {
2322                 // update the host_client fields we care about according to the entity fields
2323                 host_client->edict = PRVM_EDICT_NUM(i+1);
2324
2325                 // DP_SV_CLIENTNAME
2326                 name = PRVM_GetString(host_client->edict->fields.server->netname);
2327                 if (name == NULL)
2328                         name = "";
2329                 // always point the string back at host_client->name to keep it safe
2330                 strlcpy (host_client->name, name, sizeof (host_client->name));
2331                 host_client->edict->fields.server->netname = PRVM_SetEngineString(host_client->name);
2332                 if (strcmp(host_client->old_name, host_client->name))
2333                 {
2334                         if (host_client->spawned)
2335                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2336                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2337                         // send notification to all clients
2338                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2339                         MSG_WriteByte (&sv.reliable_datagram, i);
2340                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2341                         SV_WriteNetnameIntoDemo(host_client);
2342                 }
2343
2344                 // DP_SV_CLIENTCOLORS
2345                 // this is always found (since it's added by the progs loader)
2346                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcolors)))
2347                         host_client->colors = (int)val->_float;
2348                 if (host_client->old_colors != host_client->colors)
2349                 {
2350                         host_client->old_colors = host_client->colors;
2351                         // send notification to all clients
2352                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2353                         MSG_WriteByte (&sv.reliable_datagram, i);
2354                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2355                 }
2356
2357                 // NEXUIZ_PLAYERMODEL
2358                 if( prog->fieldoffsets.playermodel >= 0 ) {
2359                         model = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string);
2360                         if (model == NULL)
2361                                 model = "";
2362                         // always point the string back at host_client->name to keep it safe
2363                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2364                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(host_client->playermodel);
2365                 }
2366
2367                 // NEXUIZ_PLAYERSKIN
2368                 if( prog->fieldoffsets.playerskin >= 0 ) {
2369                         skin = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string);
2370                         if (skin == NULL)
2371                                 skin = "";
2372                         // always point the string back at host_client->name to keep it safe
2373                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2374                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(host_client->playerskin);
2375                 }
2376
2377                 // TODO: add an extension name for this [1/17/2008 Black]
2378                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcamera)) && val->edict > 0 ) {
2379                         int oldclientcamera = host_client->clientcamera;
2380                         if( val->edict >= prog->max_edicts || PRVM_EDICT_NUM( val->edict )->priv.required->free ) {
2381                                 val->edict = host_client->clientcamera = PRVM_NUM_FOR_EDICT( host_client->edict );
2382                         } else {
2383                                 host_client->clientcamera = val->edict;
2384                         }
2385
2386                         if( oldclientcamera != host_client->clientcamera ) {
2387                                 MSG_WriteByte (&host_client->netconnection->message, svc_setview );
2388                                 MSG_WriteShort (&host_client->netconnection->message, host_client->clientcamera);
2389                         }
2390                 }
2391
2392                 // frags
2393                 host_client->frags = (int)host_client->edict->fields.server->frags;
2394                 if(gamemode == GAME_NEXUIZ)
2395                         if(!host_client->spawned && host_client->netconnection)
2396                                 host_client->frags = -666;
2397                 if (host_client->old_frags != host_client->frags)
2398                 {
2399                         host_client->old_frags = host_client->frags;
2400                         // send notification to all clients
2401                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2402                         MSG_WriteByte (&sv.reliable_datagram, i);
2403                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2404                 }
2405         }
2406
2407         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2408                 if (client->netconnection && (client->spawned || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2409                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2410
2411         SZ_Clear (&sv.reliable_datagram);
2412 }
2413
2414
2415 /*
2416 =======================
2417 SV_SendClientMessages
2418 =======================
2419 */
2420 void SV_SendClientMessages (void)
2421 {
2422         int i, prepared = false;
2423
2424         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2425                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2426
2427         SV_FlushBroadcastMessages();
2428
2429 // update frags, names, etc
2430         SV_UpdateToReliableMessages();
2431
2432 // build individual updates
2433         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2434         {
2435                 if (!host_client->active)
2436                         continue;
2437                 if (!host_client->netconnection)
2438                         continue;
2439
2440                 if (host_client->netconnection->message.overflowed)
2441                 {
2442                         SV_DropClient (true);   // if the message couldn't send, kick off
2443                         continue;
2444                 }
2445
2446                 if (!prepared)
2447                 {
2448                         prepared = true;
2449                         // only prepare entities once per frame
2450                         SV_PrepareEntitiesForSending();
2451                 }
2452                 SV_SendClientDatagram (host_client);
2453         }
2454
2455 // clear muzzle flashes
2456         SV_CleanupEnts();
2457 }
2458
2459 static void SV_StartDownload_f(void)
2460 {
2461         if (host_client->download_file)
2462                 host_client->download_started = true;
2463 }
2464
2465 /*
2466  * Compression extension negotiation:
2467  *
2468  * Server to client:
2469  *   cl_serverextension_download 2
2470  *
2471  * Client to server:
2472  *   download <filename> <list of zero or more suppported compressions in order of preference>
2473  * e.g.
2474  *   download maps/map1.bsp lzo deflate huffman
2475  *
2476  * Server to client:
2477  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2478  * e.g.
2479  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2480  *
2481  * The server may choose not to compress the file by sending no compression name, like:
2482  *   cl_downloadbegin 345678 maps/map1.bsp
2483  *
2484  * NOTE: the "download" command may only specify compression algorithms if
2485  *       cl_serverextension_download is 2!
2486  *       If cl_serverextension_download has a different value, the client must
2487  *       assume this extension is not supported!
2488  */
2489
2490 static void Download_CheckExtensions(void)
2491 {
2492         int i;
2493         int argc = Cmd_Argc();
2494
2495         // first reset them all
2496         host_client->download_deflate = false;
2497
2498         for(i = 2; i < argc; ++i)
2499         {
2500                 if(!strcmp(Cmd_Argv(i), "deflate"))
2501                 {
2502                         host_client->download_deflate = true;
2503                         break;
2504                 }
2505         }
2506 }
2507
2508 static void SV_Download_f(void)
2509 {
2510         const char *whichpack, *whichpack2, *extension;
2511         qboolean is_csqc; // so we need to check only once
2512
2513         if (Cmd_Argc() < 2)
2514         {
2515                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2516                 SV_ClientPrintf("       supported extensions: deflate\n");
2517                 return;
2518         }
2519
2520         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2521         {
2522                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2523                 return;
2524         }
2525
2526         if (host_client->download_file)
2527         {
2528                 // at this point we'll assume the previous download should be aborted
2529                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2530                 Host_ClientCommands("\nstopdownload\n");
2531
2532                 // close the file and reset variables
2533                 FS_Close(host_client->download_file);
2534                 host_client->download_file = NULL;
2535                 host_client->download_name[0] = 0;
2536                 host_client->download_expectedposition = 0;
2537                 host_client->download_started = false;
2538         }
2539
2540         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2541
2542         if (!sv_allowdownloads.integer && !is_csqc)
2543         {
2544                 SV_ClientPrintf("Downloads are disabled on this server\n");
2545                 Host_ClientCommands("\nstopdownload\n");
2546                 return;
2547         }
2548
2549         Download_CheckExtensions();
2550
2551         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2552         extension = FS_FileExtension(host_client->download_name);
2553
2554         // host_client is asking to download a specified file
2555         if (developer_extra.integer)
2556                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2557
2558         if(is_csqc)
2559         {
2560                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2561                 extensions[0] = '\0';
2562
2563                 if(host_client->download_deflate)
2564                         strlcat(extensions, " deflate", sizeof(extensions));
2565
2566                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2567
2568                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2569                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2570                 else
2571                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2572
2573                 // no, no space is needed between %s and %s :P
2574                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2575
2576                 host_client->download_expectedposition = 0;
2577                 host_client->download_started = false;
2578                 host_client->sendsignon = true; // make sure this message is sent
2579                 return;
2580         }
2581
2582         if (!FS_FileExists(host_client->download_name))
2583         {
2584                 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);
2585                 Host_ClientCommands("\nstopdownload\n");
2586                 return;
2587         }
2588
2589         // check if the user is trying to download part of registered Quake(r)
2590         whichpack = FS_WhichPack(host_client->download_name);
2591         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2592         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2593         {
2594                 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);
2595                 Host_ClientCommands("\nstopdownload\n");
2596                 return;
2597         }
2598
2599         // check if the server has forbidden archive downloads entirely
2600         if (!sv_allowdownloads_inarchive.integer)
2601         {
2602                 whichpack = FS_WhichPack(host_client->download_name);
2603                 if (whichpack)
2604                 {
2605                         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);
2606                         Host_ClientCommands("\nstopdownload\n");
2607                         return;
2608                 }
2609         }
2610
2611         if (!sv_allowdownloads_config.integer)
2612         {
2613                 if (!strcasecmp(extension, "cfg"))
2614                 {
2615                         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);
2616                         Host_ClientCommands("\nstopdownload\n");
2617                         return;
2618                 }
2619         }
2620
2621         if (!sv_allowdownloads_dlcache.integer)
2622         {
2623                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2624                 {
2625                         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);
2626                         Host_ClientCommands("\nstopdownload\n");
2627                         return;
2628                 }
2629         }
2630
2631         if (!sv_allowdownloads_archive.integer)
2632         {
2633                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2634                 {
2635                         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);
2636                         Host_ClientCommands("\nstopdownload\n");
2637                         return;
2638                 }
2639         }
2640
2641         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2642         if (!host_client->download_file)
2643         {
2644                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2645                 Host_ClientCommands("\nstopdownload\n");
2646                 return;
2647         }
2648
2649         if (FS_FileSize(host_client->download_file) > 1<<30)
2650         {
2651                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2652                 Host_ClientCommands("\nstopdownload\n");
2653                 FS_Close(host_client->download_file);
2654                 host_client->download_file = NULL;
2655                 return;
2656         }
2657
2658         if (FS_FileSize(host_client->download_file) < 0)
2659         {
2660                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2661                 Host_ClientCommands("\nstopdownload\n");
2662                 FS_Close(host_client->download_file);
2663                 host_client->download_file = NULL;
2664                 return;
2665         }
2666
2667         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2668
2669         /*
2670          * we can only do this if we would actually deflate on the fly
2671          * which we do not (yet)!
2672         {
2673                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2674                 extensions[0] = '\0';
2675
2676                 if(host_client->download_deflate)
2677                         strlcat(extensions, " deflate", sizeof(extensions));
2678
2679                 // no, no space is needed between %s and %s :P
2680                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2681         }
2682         */
2683         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2684
2685         host_client->download_expectedposition = 0;
2686         host_client->download_started = false;
2687         host_client->sendsignon = true; // make sure this message is sent
2688
2689         // the rest of the download process is handled in SV_SendClientDatagram
2690         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2691         //
2692         // no svc_downloaddata messages will be sent until sv_startdownload is
2693         // sent by the client
2694 }
2695
2696 /*
2697 ==============================================================================
2698
2699 SERVER SPAWNING
2700
2701 ==============================================================================
2702 */
2703
2704 /*
2705 ================
2706 SV_ModelIndex
2707
2708 ================
2709 */
2710 int SV_ModelIndex(const char *s, int precachemode)
2711 {
2712         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);
2713         char filename[MAX_QPATH];
2714         if (!s || !*s)
2715                 return 0;
2716         // testing
2717         //if (precachemode == 2)
2718         //      return 0;
2719         strlcpy(filename, s, sizeof(filename));
2720         for (i = 2;i < limit;i++)
2721         {
2722                 if (!sv.model_precache[i][0])
2723                 {
2724                         if (precachemode)
2725                         {
2726                                 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))
2727                                 {
2728                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2729                                         return 0;
2730                                 }
2731                                 if (precachemode == 1)
2732                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2733                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2734                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2735                                 if (sv.state != ss_loading)
2736                                 {
2737                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2738                                         MSG_WriteShort(&sv.reliable_datagram, i);
2739                                         MSG_WriteString(&sv.reliable_datagram, filename);
2740                                 }
2741                                 return i;
2742                         }
2743                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2744                         return 0;
2745                 }
2746                 if (!strcmp(sv.model_precache[i], filename))
2747                         return i;
2748         }
2749         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2750         return 0;
2751 }
2752
2753 /*
2754 ================
2755 SV_SoundIndex
2756
2757 ================
2758 */
2759 int SV_SoundIndex(const char *s, int precachemode)
2760 {
2761         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);
2762         char filename[MAX_QPATH];
2763         if (!s || !*s)
2764                 return 0;
2765         // testing
2766         //if (precachemode == 2)
2767         //      return 0;
2768         strlcpy(filename, s, sizeof(filename));
2769         for (i = 1;i < limit;i++)
2770         {
2771                 if (!sv.sound_precache[i][0])
2772                 {
2773                         if (precachemode)
2774                         {
2775                                 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))
2776                                 {
2777                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2778                                         return 0;
2779                                 }
2780                                 if (precachemode == 1)
2781                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2782                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2783                                 if (sv.state != ss_loading)
2784                                 {
2785                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2786                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2787                                         MSG_WriteString(&sv.reliable_datagram, filename);
2788                                 }
2789                                 return i;
2790                         }
2791                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2792                         return 0;
2793                 }
2794                 if (!strcmp(sv.sound_precache[i], filename))
2795                         return i;
2796         }
2797         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2798         return 0;
2799 }
2800
2801 /*
2802 ================
2803 SV_ParticleEffectIndex
2804
2805 ================
2806 */
2807 int SV_ParticleEffectIndex(const char *name)
2808 {
2809         int i, argc, linenumber, effectnameindex;
2810         int filepass;
2811         fs_offset_t filesize;
2812         unsigned char *filedata;
2813         const char *text;
2814         const char *textstart;
2815         //const char *textend;
2816         char argv[16][1024];
2817         char filename[MAX_QPATH];
2818         if (!sv.particleeffectnamesloaded)
2819         {
2820                 sv.particleeffectnamesloaded = true;
2821                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2822                 for (i = 0;i < EFFECT_TOTAL;i++)
2823                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2824                 for (filepass = 0;;filepass++)
2825                 {
2826                         if (filepass == 0)
2827                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
2828                         else if (filepass == 1)
2829                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
2830                         else
2831                                 break;
2832                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
2833                         if (!filedata)
2834                                 continue;
2835                         textstart = (const char *)filedata;
2836                         //textend = (const char *)filedata + filesize;
2837                         text = textstart;
2838                         for (linenumber = 1;;linenumber++)
2839                         {
2840                                 argc = 0;
2841                                 for (;;)
2842                                 {
2843                                         if (!COM_ParseToken_Simple(&text, true, false) || !strcmp(com_token, "\n"))
2844                                                 break;
2845                                         if (argc < 16)
2846                                         {
2847                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2848                                                 argc++;
2849                                         }
2850                                 }
2851                                 if (com_token[0] == 0)
2852                                         break; // if the loop exited and it's not a \n, it's EOF
2853                                 if (argc < 1)
2854                                         continue;
2855                                 if (!strcmp(argv[0], "effect"))
2856                                 {
2857                                         if (argc == 2)
2858                                         {
2859                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
2860                                                 {
2861                                                         if (sv.particleeffectname[effectnameindex][0])
2862                                                         {
2863                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
2864                                                                         break;
2865                                                         }
2866                                                         else
2867                                                         {
2868                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
2869                                                                 break;
2870                                                         }
2871                                                 }
2872                                                 // if we run out of names, abort
2873                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
2874                                                 {
2875                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
2876                                                         break;
2877                                                 }
2878                                         }
2879                                 }
2880                         }
2881                         Mem_Free(filedata);
2882                 }
2883         }
2884         // search for the name
2885         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
2886                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
2887                         return effectnameindex;
2888         // return 0 if we couldn't find it
2889         return 0;
2890 }
2891
2892 dp_model_t *SV_GetModelByIndex(int modelindex)
2893 {
2894         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2895 }
2896
2897 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
2898 {
2899         int modelindex;
2900         if (!ed || ed->priv.server->free)
2901                 return NULL;
2902         modelindex = (int)ed->fields.server->modelindex;
2903         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2904 }
2905
2906 /*
2907 ================
2908 SV_CreateBaseline
2909
2910 ================
2911 */
2912 static void SV_CreateBaseline (void)
2913 {
2914         int i, entnum, large;
2915         prvm_edict_t *svent;
2916
2917         // LordHavoc: clear *all* states (note just active ones)
2918         for (entnum = 0;entnum < prog->max_edicts;entnum++)
2919         {
2920                 // get the current server version
2921                 svent = PRVM_EDICT_NUM(entnum);
2922
2923                 // LordHavoc: always clear state values, whether the entity is in use or not
2924                 svent->priv.server->baseline = defaultstate;
2925
2926                 if (svent->priv.server->free)
2927                         continue;
2928                 if (entnum > svs.maxclients && !svent->fields.server->modelindex)
2929                         continue;
2930
2931                 // create entity baseline
2932                 VectorCopy (svent->fields.server->origin, svent->priv.server->baseline.origin);
2933                 VectorCopy (svent->fields.server->angles, svent->priv.server->baseline.angles);
2934                 svent->priv.server->baseline.frame = (int)svent->fields.server->frame;
2935                 svent->priv.server->baseline.skin = (int)svent->fields.server->skin;
2936                 if (entnum > 0 && entnum <= svs.maxclients)
2937                 {
2938                         svent->priv.server->baseline.colormap = entnum;
2939                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
2940                 }
2941                 else
2942                 {
2943                         svent->priv.server->baseline.colormap = 0;
2944                         svent->priv.server->baseline.modelindex = (int)svent->fields.server->modelindex;
2945                 }
2946
2947                 large = false;
2948                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
2949                 {
2950                         large = true;
2951                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2952                                 large = false;
2953                 }
2954
2955                 // add to the message
2956                 if (large)
2957                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
2958                 else
2959                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
2960                 MSG_WriteShort (&sv.signon, entnum);
2961
2962                 if (large)
2963                 {
2964                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2965                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
2966                 }
2967                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2968                 {
2969                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2970                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2971                 }
2972                 else
2973                 {
2974                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
2975                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2976                 }
2977                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
2978                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
2979                 for (i=0 ; i<3 ; i++)
2980                 {
2981                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
2982                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
2983                 }
2984         }
2985 }
2986
2987 /*
2988 ================
2989 SV_Prepare_CSQC
2990
2991 Load csprogs.dat and comperss it so it doesn't need to be
2992 reloaded on request.
2993 ================
2994 */
2995 void SV_Prepare_CSQC(void)
2996 {
2997         fs_offset_t progsize;
2998
2999         if(svs.csqc_progdata)
3000         {
3001                 Con_DPrintf("Unloading old CSQC data.\n");
3002                 Mem_Free(svs.csqc_progdata);
3003                 if(svs.csqc_progdata_deflated)
3004                         Mem_Free(svs.csqc_progdata_deflated);
3005         }
3006
3007         svs.csqc_progdata = NULL;
3008         svs.csqc_progdata_deflated = NULL;
3009
3010         sv.csqc_progname[0] = 0;
3011         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
3012
3013         if(progsize > 0)
3014         {
3015                 size_t deflated_size;
3016
3017                 sv.csqc_progsize = (int)progsize;
3018                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
3019                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
3020                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
3021
3022                 Con_DPrint("Compressing csprogs.dat\n");
3023                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
3024                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
3025                 svs.csqc_progsize_deflated = (int)deflated_size;
3026                 if(svs.csqc_progdata_deflated)
3027                 {
3028                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
3029                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
3030                 }
3031                 else
3032                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
3033         }
3034 }
3035
3036 /*
3037 ================
3038 SV_SaveSpawnparms
3039
3040 Grabs the current state of each client for saving across the
3041 transition to another level
3042 ================
3043 */
3044 void SV_SaveSpawnparms (void)
3045 {
3046         int             i, j;
3047
3048         svs.serverflags = (int)prog->globals.server->serverflags;
3049
3050         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3051         {
3052                 if (!host_client->active)
3053                         continue;
3054
3055         // call the progs to get default spawn parms for the new client
3056                 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
3057                 PRVM_ExecuteProgram (prog->globals.server->SetChangeParms, "QC function SetChangeParms is missing");
3058                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
3059                         host_client->spawn_parms[j] = (&prog->globals.server->parm1)[j];
3060         }
3061 }
3062
3063 /*
3064 ================
3065 SV_SpawnServer
3066
3067 This is called at the start of each level
3068 ================
3069 */
3070
3071 void SV_SpawnServer (const char *server)
3072 {
3073         prvm_edict_t *ent;
3074         int i;
3075         char *entities;
3076         dp_model_t *worldmodel;
3077         char modelname[sizeof(sv.worldname)];
3078
3079         Con_DPrintf("SpawnServer: %s\n", server);
3080
3081         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
3082
3083         if (!FS_FileExists(modelname))
3084         {
3085                 dpsnprintf (modelname, sizeof(modelname), "maps/%s", server);
3086                 if (!FS_FileExists(modelname))
3087                 {
3088                         Con_Printf("SpawnServer: no map file named maps/%s.bsp\n", server);
3089                         return;
3090                 }
3091         }
3092
3093         if (cls.state != ca_dedicated)
3094         {
3095                 SCR_BeginLoadingPlaque();
3096                 S_StopAllSounds();
3097         }
3098
3099         if(sv.active)
3100         {
3101                 SV_VM_Begin();
3102                 World_End(&sv.world);
3103                 if(prog->funcoffsets.SV_Shutdown)
3104                 {
3105                         func_t s = prog->funcoffsets.SV_Shutdown;
3106                         prog->funcoffsets.SV_Shutdown = 0; // prevent it from getting called again
3107                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
3108                 }
3109                 SV_VM_End();
3110         }
3111
3112         // free q3 shaders so that any newly downloaded shaders will be active
3113         Mod_FreeQ3Shaders();
3114
3115         worldmodel = Mod_ForName(modelname, false, developer.integer > 0, NULL);
3116         if (!worldmodel || !worldmodel->TraceBox)
3117         {
3118                 Con_Printf("Couldn't load map %s\n", modelname);
3119                 return;
3120         }
3121
3122         // let's not have any servers with no name
3123         if (hostname.string[0] == 0)
3124                 Cvar_Set ("hostname", "UNNAMED");
3125         scr_centertime_off = 0;
3126
3127         svs.changelevel_issued = false;         // now safe to issue another
3128
3129         // make the map a required file for clients
3130         Curl_ClearRequirements();
3131         Curl_RequireFile(modelname);
3132
3133 //
3134 // tell all connected clients that we are going to a new level
3135 //
3136         if (sv.active)
3137         {
3138                 client_t *client;
3139                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3140                 {
3141                         if (client->netconnection)
3142                         {
3143                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3144                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3145                         }
3146                 }
3147         }
3148         else
3149         {
3150                 // open server port
3151                 NetConn_OpenServerPorts(true);
3152         }
3153
3154 //
3155 // make cvars consistant
3156 //
3157         if (coop.integer)
3158                 Cvar_SetValue ("deathmatch", 0);
3159         // LordHavoc: it can be useful to have skills outside the range 0-3...
3160         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3161         //Cvar_SetValue ("skill", (float)current_skill);
3162         current_skill = (int)(skill.value + 0.5);
3163
3164 //
3165 // set up the new server
3166 //
3167         memset (&sv, 0, sizeof(sv));
3168         // if running a local client, make sure it doesn't try to access the last
3169         // level's data which is no longer valiud
3170         cls.signon = 0;
3171
3172         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
3173
3174         if(*sv_random_seed.string)
3175         {
3176                 srand(sv_random_seed.integer);
3177                 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);
3178         }
3179
3180         SV_VM_Setup();
3181
3182         sv.active = true;
3183
3184         // set level base name variables for later use
3185         strlcpy (sv.name, server, sizeof (sv.name));
3186         strlcpy(sv.worldname, modelname, sizeof(sv.worldname));
3187         FS_StripExtension(sv.worldname, sv.worldnamenoextension, sizeof(sv.worldnamenoextension));
3188         strlcpy(sv.worldbasename, !strncmp(sv.worldnamenoextension, "maps/", 5) ? sv.worldnamenoextension + 5 : sv.worldnamenoextension, sizeof(sv.worldbasename));
3189         //Cvar_SetQuick(&sv_worldmessage, sv.worldmessage); // set later after QC is spawned
3190         Cvar_SetQuick(&sv_worldname, sv.worldname);
3191         Cvar_SetQuick(&sv_worldnamenoextension, sv.worldnamenoextension);
3192         Cvar_SetQuick(&sv_worldbasename, sv.worldbasename);
3193
3194         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3195         if (sv.protocol == PROTOCOL_UNKNOWN)
3196         {
3197                 char buffer[1024];
3198                 Protocol_Names(buffer, sizeof(buffer));
3199                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3200                 sv.protocol = PROTOCOL_QUAKE;
3201         }
3202
3203         SV_VM_Begin();
3204
3205 // load progs to get entity field count
3206         //PR_LoadProgs ( sv_progs.string );
3207
3208         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3209         sv.datagram.cursize = 0;
3210         sv.datagram.data = sv.datagram_buf;
3211
3212         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3213         sv.reliable_datagram.cursize = 0;
3214         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3215
3216         sv.signon.maxsize = sizeof(sv.signon_buf);
3217         sv.signon.cursize = 0;
3218         sv.signon.data = sv.signon_buf;
3219
3220 // leave slots at start for clients only
3221         //prog->num_edicts = svs.maxclients+1;
3222
3223         sv.state = ss_loading;
3224         prog->allowworldwrites = true;
3225         sv.paused = false;
3226
3227         prog->globals.server->time = sv.time = 1.0;
3228
3229         Mod_ClearUsed();
3230         worldmodel->used = true;
3231
3232         sv.worldmodel = worldmodel;
3233         sv.models[1] = sv.worldmodel;
3234
3235 //
3236 // clear world interaction links
3237 //
3238         World_SetSize(&sv.world, sv.worldname, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs);
3239         World_Start(&sv.world);
3240
3241         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3242
3243         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3244         strlcpy(sv.model_precache[1], sv.worldname, sizeof(sv.model_precache[1]));
3245         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3246         {
3247                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3248                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.worldname);
3249         }
3250         if(i < sv.worldmodel->brush.numsubmodels)
3251                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3252
3253 //
3254 // load the rest of the entities
3255 //
3256         // AK possible hack since num_edicts is still 0
3257         ent = PRVM_EDICT_NUM(0);
3258         memset (ent->fields.server, 0, prog->progs->entityfields * 4);
3259         ent->priv.server->free = false;
3260         ent->fields.server->model = PRVM_SetEngineString(sv.worldname);
3261         ent->fields.server->modelindex = 1;             // world model
3262         ent->fields.server->solid = SOLID_BSP;
3263         ent->fields.server->movetype = MOVETYPE_PUSH;
3264         VectorCopy(sv.world.mins, ent->fields.server->mins);
3265         VectorCopy(sv.world.maxs, ent->fields.server->maxs);
3266         VectorCopy(sv.world.mins, ent->fields.server->absmin);
3267         VectorCopy(sv.world.maxs, ent->fields.server->absmax);
3268
3269         if (coop.value)
3270                 prog->globals.server->coop = coop.integer;
3271         else
3272                 prog->globals.server->deathmatch = deathmatch.integer;
3273
3274         prog->globals.server->mapname = PRVM_SetEngineString(sv.name);
3275
3276 // serverflags are for cross level information (sigils)
3277         prog->globals.server->serverflags = svs.serverflags;
3278
3279         // we need to reset the spawned flag on all connected clients here so that
3280         // their thinks don't run during startup (before PutClientInServer)
3281         // we also need to set up the client entities now
3282         // and we need to set the ->edict pointers to point into the progs edicts
3283         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3284         {
3285                 host_client->spawned = false;
3286                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3287                 PRVM_ED_ClearEdict(host_client->edict);
3288         }
3289
3290         // load replacement entity file if found
3291         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va("%s.ent", sv.worldnamenoextension), tempmempool, true, NULL)))
3292         {
3293                 Con_Printf("Loaded %s.ent\n", sv.worldnamenoextension);
3294                 PRVM_ED_LoadFromFile (entities);
3295                 Mem_Free(entities);
3296         }
3297         else
3298                 PRVM_ED_LoadFromFile (sv.worldmodel->brush.entities);
3299
3300
3301         // LordHavoc: clear world angles (to fix e3m3.bsp)
3302         VectorClear(prog->edicts->fields.server->angles);
3303
3304 // all setup is completed, any further precache statements are errors
3305 //      sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3306         prog->allowworldwrites = false;
3307
3308 // run two frames to allow everything to settle
3309         prog->globals.server->time = sv.time = 1.0001;
3310         for (i = 0;i < 2;i++)
3311         {
3312                 sv.frametime = 0.1;
3313                 SV_Physics ();
3314         }
3315
3316         if (cls.state == ca_dedicated)
3317                 Mod_PurgeUnused();
3318
3319 // create a baseline for more efficient communications
3320         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)
3321                 SV_CreateBaseline ();
3322
3323         sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3324
3325         // to prevent network timeouts
3326         realtime = Sys_DoubleTime();
3327
3328 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3329         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3330         {
3331                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3332                 if (!host_client->active)
3333                         continue;
3334                 if (host_client->netconnection)
3335                         SV_SendServerinfo(host_client);
3336                 else
3337                 {
3338                         int j;
3339                         // if client is a botclient coming from a level change, we need to
3340                         // set up client info that normally requires networking
3341
3342                         // copy spawn parms out of the client_t
3343                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3344                                 (&prog->globals.server->parm1)[j] = host_client->spawn_parms[j];
3345
3346                         // call the spawn function
3347                         host_client->clientconnectcalled = true;
3348                         prog->globals.server->time = sv.time;
3349                         prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
3350                         PRVM_ExecuteProgram (prog->globals.server->ClientConnect, "QC function ClientConnect is missing");
3351                         PRVM_ExecuteProgram (prog->globals.server->PutClientInServer, "QC function PutClientInServer is missing");
3352                         host_client->spawned = true;
3353                 }
3354         }
3355
3356         // update the map title cvar
3357         strlcpy(sv.worldmessage, PRVM_GetString(prog->edicts->fields.server->message), sizeof(sv.worldmessage)); // map title (not related to filename)
3358         Cvar_SetQuick(&sv_worldmessage, sv.worldmessage);
3359
3360         Con_DPrint("Server spawned.\n");
3361         NetConn_Heartbeat (2);
3362
3363         SV_VM_End();
3364 }
3365
3366 /////////////////////////////////////////////////////
3367 // SV VM stuff
3368
3369 static void SV_VM_CB_BeginIncreaseEdicts(void)
3370 {
3371         // links don't survive the transition, so unlink everything
3372         World_UnlinkAll(&sv.world);
3373 }
3374
3375 static void SV_VM_CB_EndIncreaseEdicts(void)
3376 {
3377         int i;
3378         prvm_edict_t *ent;
3379
3380         // link every entity except world
3381         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
3382                 if (!ent->priv.server->free)
3383                         SV_LinkEdict(ent);
3384 }
3385
3386 static void SV_VM_CB_InitEdict(prvm_edict_t *e)
3387 {
3388         // LordHavoc: for consistency set these here
3389         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3390
3391         e->priv.server->move = false; // don't move on first frame
3392
3393         if (num >= 0 && num < svs.maxclients)
3394         {
3395                 prvm_eval_t *val;
3396                 // set colormap and team on newly created player entity
3397                 e->fields.server->colormap = num + 1;
3398                 e->fields.server->team = (svs.clients[num].colors & 15) + 1;
3399                 // set netname/clientcolors back to client values so that
3400                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3401                 // reset them
3402                 e->fields.server->netname = PRVM_SetEngineString(svs.clients[num].name);
3403                 if ((val = PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.clientcolors)))
3404                         val->_float = svs.clients[num].colors;
3405                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3406                 if( prog->fieldoffsets.playermodel >= 0 )
3407                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(svs.clients[num].playermodel);
3408                 if( prog->fieldoffsets.playerskin >= 0 )
3409                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(svs.clients[num].playerskin);
3410                 // Assign netaddress (IP Address, etc)
3411                 if(prog->fieldoffsets.netaddress >= 0)
3412                 { // Valid Field; Process
3413                         if(svs.clients[num].netconnection != NULL)
3414                         {// Valid Address; Assign
3415                                 // Acquire Readable Address
3416                                 LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3417                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.netaddress)->string = PRVM_SetEngineString(svs.clients[num].netaddress);
3418                         }
3419                         else
3420                                 // Invalid / Bot
3421                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.netaddress)->string = PRVM_SetEngineString("null/botclient");
3422                 }
3423         }
3424 }
3425
3426 static void SV_VM_CB_FreeEdict(prvm_edict_t *ed)
3427 {
3428         int i;
3429         int e;
3430
3431         World_UnlinkEdict(ed);          // unlink from world bsp
3432
3433         ed->fields.server->model = 0;
3434         ed->fields.server->takedamage = 0;
3435         ed->fields.server->modelindex = 0;
3436         ed->fields.server->colormap = 0;
3437         ed->fields.server->skin = 0;
3438         ed->fields.server->frame = 0;
3439         VectorClear(ed->fields.server->origin);
3440         VectorClear(ed->fields.server->angles);
3441         ed->fields.server->nextthink = -1;
3442         ed->fields.server->solid = 0;
3443
3444         VM_RemoveEdictSkeleton(ed);
3445         World_Physics_RemoveFromEntity(&sv.world, ed);
3446         World_Physics_RemoveJointFromEntity(&sv.world, ed);
3447
3448         // make sure csqc networking is aware of the removed entity
3449         e = PRVM_NUM_FOR_EDICT(ed);
3450         sv.csqcentityversion[e] = 0;
3451         for (i = 0;i < svs.maxclients;i++)
3452         {
3453                 if (svs.clients[i].csqcentityscope[e])
3454                         svs.clients[i].csqcentityscope[e] = 1; // removed, awaiting send
3455                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3456         }
3457 }
3458
3459 static void SV_VM_CB_CountEdicts(void)
3460 {
3461         int             i;
3462         prvm_edict_t    *ent;
3463         int             active, models, solid, step;
3464
3465         active = models = solid = step = 0;
3466         for (i=0 ; i<prog->num_edicts ; i++)
3467         {
3468                 ent = PRVM_EDICT_NUM(i);
3469                 if (ent->priv.server->free)
3470                         continue;
3471                 active++;
3472                 if (ent->fields.server->solid)
3473                         solid++;
3474                 if (ent->fields.server->model)
3475                         models++;
3476                 if (ent->fields.server->movetype == MOVETYPE_STEP)
3477                         step++;
3478         }
3479
3480         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3481         Con_Printf("active    :%3i\n", active);
3482         Con_Printf("view      :%3i\n", models);
3483         Con_Printf("touch     :%3i\n", solid);
3484         Con_Printf("step      :%3i\n", step);
3485 }
3486
3487 static qboolean SV_VM_CB_LoadEdict(prvm_edict_t *ent)
3488 {
3489         // remove things from different skill levels or deathmatch
3490         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3491         {
3492                 if (deathmatch.integer)
3493                 {
3494                         if (((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_DEATHMATCH))
3495                         {
3496                                 return false;
3497                         }
3498                 }
3499                 else if ((current_skill <= 0 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_EASY  ))
3500                         || (current_skill == 1 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_MEDIUM))
3501                         || (current_skill >= 2 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_HARD  )))
3502                 {
3503                         return false;
3504                 }
3505         }
3506         return true;
3507 }
3508
3509 static void SV_VM_Setup(void)
3510 {
3511         PRVM_Begin;
3512         PRVM_InitProg( PRVM_SERVERPROG );
3513
3514         // allocate the mempools
3515         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3516         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3517         prog->builtins = vm_sv_builtins;
3518         prog->numbuiltins = vm_sv_numbuiltins;
3519         prog->headercrc = PROGHEADER_CRC;
3520         prog->headercrc2 = PROGHEADER_CRC_TENEBRAE;
3521         prog->max_edicts = 512;
3522         if (sv.protocol == PROTOCOL_QUAKE)
3523                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3524         else if (sv.protocol == PROTOCOL_QUAKEDP)
3525                 prog->limit_edicts = 2048; // guessing
3526         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3527                 prog->limit_edicts = 2048; // guessing!
3528         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3529                 prog->limit_edicts = 4096; // guessing!
3530         else
3531                 prog->limit_edicts = MAX_EDICTS;
3532         prog->reserved_edicts = svs.maxclients;
3533         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3534         prog->name = "server";
3535         prog->extensionstring = vm_sv_extensions;
3536         prog->loadintoworld = true;
3537
3538         prog->begin_increase_edicts = SV_VM_CB_BeginIncreaseEdicts;
3539         prog->end_increase_edicts = SV_VM_CB_EndIncreaseEdicts;
3540         prog->init_edict = SV_VM_CB_InitEdict;
3541         prog->free_edict = SV_VM_CB_FreeEdict;
3542         prog->count_edicts = SV_VM_CB_CountEdicts;
3543         prog->load_edict = SV_VM_CB_LoadEdict;
3544         prog->init_cmd = VM_SV_Cmd_Init;
3545         prog->reset_cmd = VM_SV_Cmd_Reset;
3546         prog->error_cmd = Host_Error;
3547         prog->ExecuteProgram = SVVM_ExecuteProgram;
3548
3549         // TODO: add a requiredfuncs list (ask LH if this is necessary at all)
3550         PRVM_LoadProgs( sv_progs.string, 0, NULL, REQFIELDS, reqfields, 0, NULL );
3551
3552         // some mods compiled with scrambling compilers lack certain critical
3553         // global names and field names such as "self" and "time" and "nextthink"
3554         // so we have to set these offsets manually, matching the entvars_t
3555         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3556         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3557         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3558         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3559         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3560         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
3561         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3562         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3563         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
3564         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
3565         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
3566         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
3567         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
3568         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
3569         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
3570         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
3571         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
3572         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
3573         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
3574         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
3575         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
3576         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
3577         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
3578         // OP_STATE is always supported on server (due to entvars_t)
3579         prog->flag |= PRVM_OP_STATE;
3580
3581         VM_CustomStats_Clear();//[515]: csqc
3582
3583         PRVM_End;
3584
3585         SV_Prepare_CSQC();
3586 }
3587
3588 void SV_VM_Begin(void)
3589 {
3590         PRVM_Begin;
3591         PRVM_SetProg( PRVM_SERVERPROG );
3592
3593         prog->globals.server->time = (float) sv.time;
3594 }
3595
3596 void SV_VM_End(void)
3597 {
3598         PRVM_End;
3599 }