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 #include "thread.h"
  27
  28 // current client
  29 client_t *host_client;
  30
  31 static void SV_SaveEntFile_f(cmd_state_t *cmd);
  32 static void SV_StartDownload_f(cmd_state_t *cmd);
  33 static void SV_Download_f(cmd_state_t *cmd);
  34 static void SV_VM_Setup(void);
  35 extern cvar_t net_connecttimeout;
  36
  37 cvar_t sv_worldmessage = {CVAR_SERVER | CVAR_READONLY, "sv_worldmessage", "", "title of current level"};
  38 cvar_t sv_worldname = {CVAR_SERVER | CVAR_READONLY, "sv_worldname", "", "name of current worldmodel"};
  39 cvar_t sv_worldnamenoextension = {CVAR_SERVER | CVAR_READONLY, "sv_worldnamenoextension", "", "name of current worldmodel without extension"};
  40 cvar_t sv_worldbasename = {CVAR_SERVER | CVAR_READONLY, "sv_worldbasename", "", "name of current worldmodel without maps/ prefix or extension"};
  41
  42 cvar_t sv_disablenotify = {CVAR_SERVER, "sv_disablenotify", "0", "suppress broadcast prints when certain cvars are changed (CVAR_NOTIFY flag in engine code)"};
  43 cvar_t coop = {CVAR_SERVER, "coop","0", "coop mode, 0 = no coop, 1 = coop mode, multiple players playing through the singleplayer game (coop mode also shuts off deathmatch)"};
  44 cvar_t deathmatch = {CVAR_SERVER, "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)"};
  45 cvar_t fraglimit = {CVAR_SERVER | CVAR_NOTIFY, "fraglimit","0", "ends level if this many frags is reached by any player"};
  46 cvar_t gamecfg = {CVAR_SERVER, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
  47 cvar_t noexit = {CVAR_SERVER | CVAR_NOTIFY, "noexit","0", "kills anyone attempting to use an exit"};
  48 cvar_t nomonsters = {CVAR_SERVER, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
  49 cvar_t pausable = {CVAR_SERVER, "pausable","1", "allow players to pause or not (otherwise, only the server admin can)"};
  50 cvar_t pr_checkextension = {CVAR_SERVER | 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)"};
  51 cvar_t samelevel = {CVAR_SERVER | CVAR_NOTIFY, "samelevel","0", "repeats same level if level ends (due to timelimit or someone hitting an exit)"};
  52 cvar_t skill = {CVAR_SERVER, "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)"};
  53 cvar_t host_timescale = {CVAR_CLIENT | CVAR_SERVER, "host_timescale", "1.0", "controls game speed, 0.5 is half speed, 2 is double speed"};
  54
  55 cvar_t sv_accelerate = {CVAR_SERVER, "sv_accelerate", "10", "rate at which a player accelerates to sv_maxspeed"};
  56 cvar_t sv_aim = {CVAR_SERVER | 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"};
  57 cvar_t sv_airaccel_qw = {CVAR_SERVER, "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"};
  58 cvar_t sv_airaccel_qw_stretchfactor = {CVAR_SERVER, "sv_airaccel_qw_stretchfactor", "0", "when set, the maximum acceleration increase the player may get compared to forward-acceleration when strafejumping"};
  59 cvar_t sv_airaccel_sideways_friction = {CVAR_SERVER, "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"};
  60 cvar_t sv_airaccelerate = {CVAR_SERVER, "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"};
  61 cvar_t sv_airstopaccelerate = {CVAR_SERVER, "sv_airstopaccelerate", "0", "when set, replacement for sv_airaccelerate when moving backwards"};
  62 cvar_t sv_airspeedlimit_nonqw = {CVAR_SERVER, "sv_airspeedlimit_nonqw", "0", "when set, this is a soft speed limit while in air when using airaccel_qw not equal to 1"};
  63 cvar_t sv_airstrafeaccelerate = {CVAR_SERVER, "sv_airstrafeaccelerate", "0", "when set, replacement for sv_airaccelerate when just strafing"};
  64 cvar_t sv_maxairstrafespeed = {CVAR_SERVER, "sv_maxairstrafespeed", "0", "when set, replacement for sv_maxairspeed when just strafing"};
  65 cvar_t sv_airstrafeaccel_qw = {CVAR_SERVER, "sv_airstrafeaccel_qw", "0", "when set, replacement for sv_airaccel_qw when just strafing"};
  66 cvar_t sv_aircontrol = {CVAR_SERVER, "sv_aircontrol", "0", "CPMA-style air control"};
  67 cvar_t sv_aircontrol_power = {CVAR_SERVER, "sv_aircontrol_power", "2", "CPMA-style air control exponent"};
  68 cvar_t sv_aircontrol_penalty = {CVAR_SERVER, "sv_aircontrol_penalty", "0", "deceleration while using CPMA-style air control"};
  69 cvar_t sv_allowdownloads = {CVAR_SERVER, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
  70 cvar_t sv_allowdownloads_archive = {CVAR_SERVER, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
  71 cvar_t sv_allowdownloads_config = {CVAR_SERVER, "sv_allowdownloads_config", "0", "whether to allow downloads of config files (cfg)"};
  72 cvar_t sv_allowdownloads_dlcache = {CVAR_SERVER, "sv_allowdownloads_dlcache", "0", "whether to allow downloads of dlcache files (dlcache/)"};
  73 cvar_t sv_allowdownloads_inarchive = {CVAR_SERVER, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
  74 cvar_t sv_areagrid_mingridsize = {CVAR_SERVER | CVAR_NOTIFY, "sv_areagrid_mingridsize", "128", "minimum areagrid cell size, smaller values work better for lots of small objects, higher values for large objects"};
  75 cvar_t sv_checkforpacketsduringsleep = {CVAR_SERVER, "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"};
  76 cvar_t sv_clmovement_enable = {CVAR_SERVER, "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"};
  77 cvar_t sv_clmovement_minping = {CVAR_SERVER, "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)"};
  78 cvar_t sv_clmovement_minping_disabletime = {CVAR_SERVER, "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)"};
  79 cvar_t sv_clmovement_inputtimeout = {CVAR_SERVER, "sv_clmovement_inputtimeout", "0.2", "when a client does not send input for this many seconds, force them to move anyway (unlike QuakeWorld)"};
  80 cvar_t sv_cullentities_nevercullbmodels = {CVAR_SERVER, "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!)"};
  81 cvar_t sv_cullentities_pvs = {CVAR_SERVER, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"};
  82 cvar_t sv_cullentities_stats = {CVAR_SERVER, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
  83 cvar_t sv_cullentities_trace = {CVAR_SERVER, "sv_cullentities_trace", "0", "somewhat slow but very tight culling of hidden entities, minimizes network traffic and makes wallhack cheats useless"};
  84 cvar_t sv_cullentities_trace_delay = {CVAR_SERVER, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
  85 cvar_t sv_cullentities_trace_delay_players = {CVAR_SERVER, "sv_cullentities_trace_delay_players", "0.2", "number of seconds until the entity gets actually culled if it is a player entity"};
  86 cvar_t sv_cullentities_trace_enlarge = {CVAR_SERVER, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
  87 cvar_t sv_cullentities_trace_expand = {CVAR_SERVER, "sv_cullentities_trace_expand", "0", "box is expanded by this many units for entity culling"};
  88 cvar_t sv_cullentities_trace_eyejitter = {CVAR_SERVER, "sv_cullentities_trace_eyejitter", "16", "jitter the eye by this much for each trace"};
  89 cvar_t sv_cullentities_trace_prediction = {CVAR_SERVER, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
  90 cvar_t sv_cullentities_trace_prediction_time = {CVAR_SERVER, "sv_cullentities_trace_prediction_time", "0.2", "how many seconds of prediction to use"};
  91 cvar_t sv_cullentities_trace_entityocclusion = {CVAR_SERVER, "sv_cullentities_trace_entityocclusion", "0", "also check if doors and other bsp models are in the way"};
  92 cvar_t sv_cullentities_trace_samples = {CVAR_SERVER, "sv_cullentities_trace_samples", "2", "number of samples to test for entity culling"};
  93 cvar_t sv_cullentities_trace_samples_extra = {CVAR_SERVER, "sv_cullentities_trace_samples_extra", "2", "number of samples to test for entity culling when the entity affects its surroundings by e.g. dlight"};
  94 cvar_t sv_cullentities_trace_samples_players = {CVAR_SERVER, "sv_cullentities_trace_samples_players", "8", "number of samples to test for entity culling when the entity is a player entity"};
  95 cvar_t sv_debugmove = {CVAR_SERVER | CVAR_NOTIFY, "sv_debugmove", "0", "disables collision detection optimizations for debugging purposes"};
  96 cvar_t sv_echobprint = {CVAR_SERVER | CVAR_SAVE, "sv_echobprint", "1", "prints gamecode bprint() calls to server console"};
  97 cvar_t sv_edgefriction = {CVAR_SERVER, "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)"};
  98 cvar_t sv_entpatch = {CVAR_SERVER, "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)"};
  99 cvar_t sv_fixedframeratesingleplayer = {CVAR_SERVER, "sv_fixedframeratesingleplayer", "1", "allows you to use server-style timing system in singleplayer (don't run faster than sys_ticrate)"};
 100 cvar_t sv_freezenonclients = {CVAR_SERVER | CVAR_NOTIFY, "sv_freezenonclients", "0", "freezes time, except for players, allowing you to walk around and take screenshots of explosions"};
 101 cvar_t sv_friction = {CVAR_SERVER | CVAR_NOTIFY, "sv_friction","4", "how fast you slow down"};
 102 cvar_t sv_gameplayfix_blowupfallenzombies = {CVAR_SERVER, "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"};
 103 cvar_t sv_gameplayfix_consistentplayerprethink = {CVAR_SERVER, "sv_gameplayfix_consistentplayerprethink", "0", "improves fairness in multiplayer by running all PlayerPreThink functions (which fire weapons) before performing physics, then running all PlayerPostThink functions"};
 104 cvar_t sv_gameplayfix_delayprojectiles = {CVAR_SERVER, "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"};
 105 cvar_t sv_gameplayfix_droptofloorstartsolid = {CVAR_SERVER, "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)"};
 106 cvar_t sv_gameplayfix_droptofloorstartsolid_nudgetocorrect = {CVAR_SERVER, "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect", "1", "tries to nudge stuck items and monsters out of walls before droptofloor is performed"};
 107 cvar_t sv_gameplayfix_easierwaterjump = {CVAR_SERVER, "sv_gameplayfix_easierwaterjump", "1", "changes water jumping to make it easier to get out of water (exactly like in QuakeWorld)"};
 108 cvar_t sv_gameplayfix_findradiusdistancetobox = {CVAR_SERVER, "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"};
 109 cvar_t sv_gameplayfix_gravityunaffectedbyticrate = {CVAR_SERVER, "sv_gameplayfix_gravityunaffectedbyticrate", "0", "fix some ticrate issues in physics."};
 110 cvar_t sv_gameplayfix_grenadebouncedownslopes = {CVAR_SERVER, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
 111 cvar_t sv_gameplayfix_multiplethinksperframe = {CVAR_SERVER, "sv_gameplayfix_multiplethinksperframe", "1", "allows entities to think more often than the server framerate, primarily useful for very high fire rate weapons"};
 112 cvar_t sv_gameplayfix_noairborncorpse = {CVAR_SERVER, "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"};
 113 cvar_t sv_gameplayfix_noairborncorpse_allowsuspendeditems = {CVAR_SERVER, "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)"};
 114 cvar_t sv_gameplayfix_nudgeoutofsolid = {CVAR_SERVER, "sv_gameplayfix_nudgeoutofsolid", "0", "attempts to fix physics errors (where an object ended up in solid for some reason)"};
 115 cvar_t sv_gameplayfix_nudgeoutofsolid_separation = {CVAR_SERVER, "sv_gameplayfix_nudgeoutofsolid_separation", "0.03125", "keep objects this distance apart to prevent collision issues on seams"};
 116 cvar_t sv_gameplayfix_q2airaccelerate = {CVAR_SERVER, "sv_gameplayfix_q2airaccelerate", "0", "Quake2-style air acceleration"};
 117 cvar_t sv_gameplayfix_nogravityonground = {CVAR_SERVER, "sv_gameplayfix_nogravityonground", "0", "turn off gravity when on ground (to get rid of sliding)"};
 118 cvar_t sv_gameplayfix_setmodelrealbox = {CVAR_SERVER, "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"};
 119 cvar_t sv_gameplayfix_slidemoveprojectiles = {CVAR_SERVER, "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"};
 120 cvar_t sv_gameplayfix_stepdown = {CVAR_SERVER, "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)"};
 121 cvar_t sv_gameplayfix_stepmultipletimes = {CVAR_SERVER, "sv_gameplayfix_stepmultipletimes", "0", "applies step-up onto a ledge more than once in a single frame, when running quickly up stairs"};
 122 cvar_t sv_gameplayfix_nostepmoveonsteepslopes = {CVAR_SERVER, "sv_gameplayfix_nostepmoveonsteepslopes", "0", "crude fix which prevents MOVETYPE_STEP (not swimming or flying) to move on slopes whose angle is bigger than 45 degree"};
 123 cvar_t sv_gameplayfix_swiminbmodels = {CVAR_SERVER, "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"};
 124 cvar_t sv_gameplayfix_upwardvelocityclearsongroundflag = {CVAR_SERVER, "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"};
 125 cvar_t sv_gameplayfix_downtracesupportsongroundflag = {CVAR_SERVER, "sv_gameplayfix_downtracesupportsongroundflag", "1", "prevents very short moves from clearing onground (which may make the player stick to the floor at high netfps)"};
 126 cvar_t sv_gameplayfix_q1bsptracelinereportstexture = {CVAR_SERVER, "sv_gameplayfix_q1bsptracelinereportstexture", "1", "enables mods to get accurate trace_texture results on q1bsp by using a surface-hitting traceline implementation rather than the standard solidbsp method, q3bsp always reports texture accurately"};
 127 cvar_t sv_gameplayfix_unstickplayers = {CVAR_SERVER, "sv_gameplayfix_unstickplayers", "1", "big hack to try and fix the rare case of MOVETYPE_WALK entities getting stuck in the world clipping hull."};
 128 cvar_t sv_gameplayfix_unstickentities = {CVAR_SERVER, "sv_gameplayfix_unstickentities", "1", "hack to check if entities are crossing world collision hull and try to move them to the right position"};
 129 cvar_t sv_gameplayfix_fixedcheckwatertransition = {CVAR_SERVER, "sv_gameplayfix_fixedcheckwatertransition", "1", "fix two very stupid bugs in SV_CheckWaterTransition when watertype is CONTENTS_EMPTY (the bugs causes waterlevel to be 1 on first frame, -1 on second frame - the fix makes it 0 on both frames)"};
 130 cvar_t sv_gameplayfix_customstats = {CVAR_SERVER, "sv_gameplayfix_customstats", "0", "Disable stats higher than 220, for use by certain games such as Xonotic"};
 131 cvar_t sv_gravity = {CVAR_SERVER | CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
 132 cvar_t sv_init_frame_count = {CVAR_SERVER, "sv_init_frame_count", "2", "number of frames to run to allow everything to settle before letting clients connect"};
 133 cvar_t sv_idealpitchscale = {CVAR_SERVER, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
 134 cvar_t sv_jumpstep = {CVAR_SERVER | CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping"};
 135 cvar_t sv_jumpvelocity = {CVAR_SERVER, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
 136 cvar_t sv_maxairspeed = {CVAR_SERVER, "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)"};
 137 cvar_t sv_maxrate = {CVAR_SERVER | CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
 138 cvar_t sv_maxspeed = {CVAR_SERVER | CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
 139 cvar_t sv_maxvelocity = {CVAR_SERVER | CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
 140 cvar_t sv_nostep = {CVAR_SERVER | CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
 141 cvar_t sv_playerphysicsqc = {CVAR_SERVER | CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
 142 cvar_t sv_progs = {CVAR_SERVER, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
 143 cvar_t sv_protocolname = {CVAR_SERVER, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
 144 cvar_t sv_random_seed = {CVAR_SERVER, "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"};
 145 cvar_t host_limitlocal = {CVAR_SERVER, "host_limitlocal", "0", "whether to apply rate limiting to the local player in a listen server (only useful for testing)"};
 146 cvar_t sv_sound_land = {CVAR_SERVER, "sv_sound_land", "demon/dland2.wav", "sound to play when MOVETYPE_STEP entity hits the ground at high speed (empty cvar disables the sound)"};
 147 cvar_t sv_sound_watersplash = {CVAR_SERVER, "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)"};
 148 cvar_t sv_stepheight = {CVAR_SERVER | CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
 149 cvar_t sv_stopspeed = {CVAR_SERVER | CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
 150 cvar_t sv_wallfriction = {CVAR_SERVER | CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
 151 cvar_t sv_wateraccelerate = {CVAR_SERVER, "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"};
 152 cvar_t sv_waterfriction = {CVAR_SERVER | CVAR_NOTIFY, "sv_waterfriction","-1", "how fast you slow down, if less than 0 the sv_friction variable is used instead"};
 153 cvar_t sv_warsowbunny_airforwardaccel = {CVAR_SERVER, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
 154 cvar_t sv_warsowbunny_accel = {CVAR_SERVER, "sv_warsowbunny_accel", "0.1585", "how fast you accelerate until after reaching sv_maxspeed (it gets harder as you near sv_warsowbunny_topspeed)"};
 155 cvar_t sv_warsowbunny_topspeed = {CVAR_SERVER, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
 156 cvar_t sv_warsowbunny_turnaccel = {CVAR_SERVER, "sv_warsowbunny_turnaccel", "0", "max sharpness of turns (also master switch for the sv_warsowbunny_* mode; set this to 9 to enable)"};
 157 cvar_t sv_warsowbunny_backtosideratio = {CVAR_SERVER, "sv_warsowbunny_backtosideratio", "0.8", "lower values make it easier to change direction without losing speed; the drawback is \"understeering\" in sharp turns"};
 158 cvar_t sv_onlycsqcnetworking = {CVAR_SERVER, "sv_onlycsqcnetworking", "0", "disables legacy entity networking code for higher performance (except on clients, which can still be legacy)"};
 159 cvar_t sv_areadebug = {CVAR_SERVER, "sv_areadebug", "0", "disables physics culling for debugging purposes (only for development)"};
 160 cvar_t sys_ticrate = {CVAR_SERVER | 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"};
 161 cvar_t teamplay = {CVAR_SERVER | 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"};
 162 cvar_t timelimit = {CVAR_SERVER | CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
 163 cvar_t sv_threaded = {CVAR_SERVER, "sv_threaded", "0", "enables a separate thread for server code, improving performance, especially when hosting a game while playing, EXPERIMENTAL, may be crashy"};
 164
 165 cvar_t saved1 = {CVAR_SERVER | CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 166 cvar_t saved2 = {CVAR_SERVER | CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 167 cvar_t saved3 = {CVAR_SERVER | CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 168 cvar_t saved4 = {CVAR_SERVER | CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 169 cvar_t savedgamecfg = {CVAR_SERVER | CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 170 cvar_t scratch1 = {CVAR_SERVER, "scratch1", "0", "unused cvar in quake, can be used by mods"};
 171 cvar_t scratch2 = {CVAR_SERVER,"scratch2", "0", "unused cvar in quake, can be used by mods"};
 172 cvar_t scratch3 = {CVAR_SERVER, "scratch3", "0", "unused cvar in quake, can be used by mods"};
 173 cvar_t scratch4 = {CVAR_SERVER, "scratch4", "0", "unused cvar in quake, can be used by mods"};
 174 cvar_t temp1 = {CVAR_SERVER, "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)"};
 175
 176 cvar_t nehx00 = {CVAR_SERVER, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
 177 cvar_t nehx01 = {CVAR_SERVER, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
 178 cvar_t nehx02 = {CVAR_SERVER, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
 179 cvar_t nehx03 = {CVAR_SERVER, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
 180 cvar_t nehx04 = {CVAR_SERVER, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
 181 cvar_t nehx05 = {CVAR_SERVER, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
 182 cvar_t nehx06 = {CVAR_SERVER, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
 183 cvar_t nehx07 = {CVAR_SERVER, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
 184 cvar_t nehx08 = {CVAR_SERVER, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
 185 cvar_t nehx09 = {CVAR_SERVER, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
 186 cvar_t nehx10 = {CVAR_SERVER, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
 187 cvar_t nehx11 = {CVAR_SERVER, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
 188 cvar_t nehx12 = {CVAR_SERVER, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
 189 cvar_t nehx13 = {CVAR_SERVER, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
 190 cvar_t nehx14 = {CVAR_SERVER, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
 191 cvar_t nehx15 = {CVAR_SERVER, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
 192 cvar_t nehx16 = {CVAR_SERVER, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
 193 cvar_t nehx17 = {CVAR_SERVER, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
 194 cvar_t nehx18 = {CVAR_SERVER, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
 195 cvar_t nehx19 = {CVAR_SERVER, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
 196 cvar_t cutscene = {CVAR_SERVER, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
 197
 198 cvar_t sv_autodemo_perclient = {CVAR_SERVER | 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)"};
 199 cvar_t sv_autodemo_perclient_nameformat = {CVAR_SERVER | 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)" };
 200 cvar_t sv_autodemo_perclient_discardable = {CVAR_SERVER | CVAR_SAVE, "sv_autodemo_perclient_discardable", "0", "Allow game code to decide whether a demo should be kept or discarded."};
 201
 202 cvar_t halflifebsp = {CVAR_SERVER, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
 203 cvar_t sv_mapformat_is_quake2 = {CVAR_SERVER, "sv_mapformat_is_quake2", "0", "indicates the current map is q2bsp format (useful to know because of different entity behaviors, .frame on submodels and other things)"};
 204 cvar_t sv_mapformat_is_quake3 = {CVAR_SERVER, "sv_mapformat_is_quake3", "0", "indicates the current map is q2bsp format (useful to know because of different entity behaviors)"};
 205
 206 server_t sv;
 207 server_static_t svs;
 208
 209 mempool_t *sv_mempool = NULL;
 210
 211 extern cvar_t host_timescale;
 212 extern float            scr_centertime_off;
 213
 214 // MUST match effectnameindex_t in client.h
 215 static const char *standardeffectnames[EFFECT_TOTAL] =
 216 {
 217         "",
 218         "TE_GUNSHOT",
 219         "TE_GUNSHOTQUAD",
 220         "TE_SPIKE",
 221         "TE_SPIKEQUAD",
 222         "TE_SUPERSPIKE",
 223         "TE_SUPERSPIKEQUAD",
 224         "TE_WIZSPIKE",
 225         "TE_KNIGHTSPIKE",
 226         "TE_EXPLOSION",
 227         "TE_EXPLOSIONQUAD",
 228         "TE_TAREXPLOSION",
 229         "TE_TELEPORT",
 230         "TE_LAVASPLASH",
 231         "TE_SMALLFLASH",
 232         "TE_FLAMEJET",
 233         "EF_FLAME",
 234         "TE_BLOOD",
 235         "TE_SPARK",
 236         "TE_PLASMABURN",
 237         "TE_TEI_G3",
 238         "TE_TEI_SMOKE",
 239         "TE_TEI_BIGEXPLOSION",
 240         "TE_TEI_PLASMAHIT",
 241         "EF_STARDUST",
 242         "TR_ROCKET",
 243         "TR_GRENADE",
 244         "TR_BLOOD",
 245         "TR_WIZSPIKE",
 246         "TR_SLIGHTBLOOD",
 247         "TR_KNIGHTSPIKE",
 248         "TR_VORESPIKE",
 249         "TR_NEHAHRASMOKE",
 250         "TR_NEXUIZPLASMA",
 251         "TR_GLOWTRAIL",
 252         "SVC_PARTICLE"
 253 };
 254
 255 #define SV_REQFUNCS 0
 256 #define sv_reqfuncs NULL
 257
 258 //#define SV_REQFUNCS (sizeof(sv_reqfuncs) / sizeof(const char *))
 259 //static const char *sv_reqfuncs[] = {
 260 //};
 261
 262 #define SV_REQFIELDS (sizeof(sv_reqfields) / sizeof(prvm_required_field_t))
 263
 264 prvm_required_field_t sv_reqfields[] =
 265 {
 266 #define PRVM_DECLARE_serverglobalfloat(x)
 267 #define PRVM_DECLARE_serverglobalvector(x)
 268 #define PRVM_DECLARE_serverglobalstring(x)
 269 #define PRVM_DECLARE_serverglobaledict(x)
 270 #define PRVM_DECLARE_serverglobalfunction(x)
 271 #define PRVM_DECLARE_clientglobalfloat(x)
 272 #define PRVM_DECLARE_clientglobalvector(x)
 273 #define PRVM_DECLARE_clientglobalstring(x)
 274 #define PRVM_DECLARE_clientglobaledict(x)
 275 #define PRVM_DECLARE_clientglobalfunction(x)
 276 #define PRVM_DECLARE_menuglobalfloat(x)
 277 #define PRVM_DECLARE_menuglobalvector(x)
 278 #define PRVM_DECLARE_menuglobalstring(x)
 279 #define PRVM_DECLARE_menuglobaledict(x)
 280 #define PRVM_DECLARE_menuglobalfunction(x)
 281 #define PRVM_DECLARE_serverfieldfloat(x) {ev_float, #x},
 282 #define PRVM_DECLARE_serverfieldvector(x) {ev_vector, #x},
 283 #define PRVM_DECLARE_serverfieldstring(x) {ev_string, #x},
 284 #define PRVM_DECLARE_serverfieldedict(x) {ev_entity, #x},
 285 #define PRVM_DECLARE_serverfieldfunction(x) {ev_function, #x},
 286 #define PRVM_DECLARE_clientfieldfloat(x)
 287 #define PRVM_DECLARE_clientfieldvector(x)
 288 #define PRVM_DECLARE_clientfieldstring(x)
 289 #define PRVM_DECLARE_clientfieldedict(x)
 290 #define PRVM_DECLARE_clientfieldfunction(x)
 291 #define PRVM_DECLARE_menufieldfloat(x)
 292 #define PRVM_DECLARE_menufieldvector(x)
 293 #define PRVM_DECLARE_menufieldstring(x)
 294 #define PRVM_DECLARE_menufieldedict(x)
 295 #define PRVM_DECLARE_menufieldfunction(x)
 296 #define PRVM_DECLARE_serverfunction(x)
 297 #define PRVM_DECLARE_clientfunction(x)
 298 #define PRVM_DECLARE_menufunction(x)
 299 #define PRVM_DECLARE_field(x)
 300 #define PRVM_DECLARE_global(x)
 301 #define PRVM_DECLARE_function(x)
 302 #include "prvm_offsets.h"
 303 #undef PRVM_DECLARE_serverglobalfloat
 304 #undef PRVM_DECLARE_serverglobalvector
 305 #undef PRVM_DECLARE_serverglobalstring
 306 #undef PRVM_DECLARE_serverglobaledict
 307 #undef PRVM_DECLARE_serverglobalfunction
 308 #undef PRVM_DECLARE_clientglobalfloat
 309 #undef PRVM_DECLARE_clientglobalvector
 310 #undef PRVM_DECLARE_clientglobalstring
 311 #undef PRVM_DECLARE_clientglobaledict
 312 #undef PRVM_DECLARE_clientglobalfunction
 313 #undef PRVM_DECLARE_menuglobalfloat
 314 #undef PRVM_DECLARE_menuglobalvector
 315 #undef PRVM_DECLARE_menuglobalstring
 316 #undef PRVM_DECLARE_menuglobaledict
 317 #undef PRVM_DECLARE_menuglobalfunction
 318 #undef PRVM_DECLARE_serverfieldfloat
 319 #undef PRVM_DECLARE_serverfieldvector
 320 #undef PRVM_DECLARE_serverfieldstring
 321 #undef PRVM_DECLARE_serverfieldedict
 322 #undef PRVM_DECLARE_serverfieldfunction
 323 #undef PRVM_DECLARE_clientfieldfloat
 324 #undef PRVM_DECLARE_clientfieldvector
 325 #undef PRVM_DECLARE_clientfieldstring
 326 #undef PRVM_DECLARE_clientfieldedict
 327 #undef PRVM_DECLARE_clientfieldfunction
 328 #undef PRVM_DECLARE_menufieldfloat
 329 #undef PRVM_DECLARE_menufieldvector
 330 #undef PRVM_DECLARE_menufieldstring
 331 #undef PRVM_DECLARE_menufieldedict
 332 #undef PRVM_DECLARE_menufieldfunction
 333 #undef PRVM_DECLARE_serverfunction
 334 #undef PRVM_DECLARE_clientfunction
 335 #undef PRVM_DECLARE_menufunction
 336 #undef PRVM_DECLARE_field
 337 #undef PRVM_DECLARE_global
 338 #undef PRVM_DECLARE_function
 339 };
 340
 341 #define SV_REQGLOBALS (sizeof(sv_reqglobals) / sizeof(prvm_required_field_t))
 342
 343 prvm_required_field_t sv_reqglobals[] =
 344 {
 345 #define PRVM_DECLARE_serverglobalfloat(x) {ev_float, #x},
 346 #define PRVM_DECLARE_serverglobalvector(x) {ev_vector, #x},
 347 #define PRVM_DECLARE_serverglobalstring(x) {ev_string, #x},
 348 #define PRVM_DECLARE_serverglobaledict(x) {ev_entity, #x},
 349 #define PRVM_DECLARE_serverglobalfunction(x) {ev_function, #x},
 350 #define PRVM_DECLARE_clientglobalfloat(x)
 351 #define PRVM_DECLARE_clientglobalvector(x)
 352 #define PRVM_DECLARE_clientglobalstring(x)
 353 #define PRVM_DECLARE_clientglobaledict(x)
 354 #define PRVM_DECLARE_clientglobalfunction(x)
 355 #define PRVM_DECLARE_menuglobalfloat(x)
 356 #define PRVM_DECLARE_menuglobalvector(x)
 357 #define PRVM_DECLARE_menuglobalstring(x)
 358 #define PRVM_DECLARE_menuglobaledict(x)
 359 #define PRVM_DECLARE_menuglobalfunction(x)
 360 #define PRVM_DECLARE_serverfieldfloat(x)
 361 #define PRVM_DECLARE_serverfieldvector(x)
 362 #define PRVM_DECLARE_serverfieldstring(x)
 363 #define PRVM_DECLARE_serverfieldedict(x)
 364 #define PRVM_DECLARE_serverfieldfunction(x)
 365 #define PRVM_DECLARE_clientfieldfloat(x)
 366 #define PRVM_DECLARE_clientfieldvector(x)
 367 #define PRVM_DECLARE_clientfieldstring(x)
 368 #define PRVM_DECLARE_clientfieldedict(x)
 369 #define PRVM_DECLARE_clientfieldfunction(x)
 370 #define PRVM_DECLARE_menufieldfloat(x)
 371 #define PRVM_DECLARE_menufieldvector(x)
 372 #define PRVM_DECLARE_menufieldstring(x)
 373 #define PRVM_DECLARE_menufieldedict(x)
 374 #define PRVM_DECLARE_menufieldfunction(x)
 375 #define PRVM_DECLARE_serverfunction(x)
 376 #define PRVM_DECLARE_clientfunction(x)
 377 #define PRVM_DECLARE_menufunction(x)
 378 #define PRVM_DECLARE_field(x)
 379 #define PRVM_DECLARE_global(x)
 380 #define PRVM_DECLARE_function(x)
 381 #include "prvm_offsets.h"
 382 #undef PRVM_DECLARE_serverglobalfloat
 383 #undef PRVM_DECLARE_serverglobalvector
 384 #undef PRVM_DECLARE_serverglobalstring
 385 #undef PRVM_DECLARE_serverglobaledict
 386 #undef PRVM_DECLARE_serverglobalfunction
 387 #undef PRVM_DECLARE_clientglobalfloat
 388 #undef PRVM_DECLARE_clientglobalvector
 389 #undef PRVM_DECLARE_clientglobalstring
 390 #undef PRVM_DECLARE_clientglobaledict
 391 #undef PRVM_DECLARE_clientglobalfunction
 392 #undef PRVM_DECLARE_menuglobalfloat
 393 #undef PRVM_DECLARE_menuglobalvector
 394 #undef PRVM_DECLARE_menuglobalstring
 395 #undef PRVM_DECLARE_menuglobaledict
 396 #undef PRVM_DECLARE_menuglobalfunction
 397 #undef PRVM_DECLARE_serverfieldfloat
 398 #undef PRVM_DECLARE_serverfieldvector
 399 #undef PRVM_DECLARE_serverfieldstring
 400 #undef PRVM_DECLARE_serverfieldedict
 401 #undef PRVM_DECLARE_serverfieldfunction
 402 #undef PRVM_DECLARE_clientfieldfloat
 403 #undef PRVM_DECLARE_clientfieldvector
 404 #undef PRVM_DECLARE_clientfieldstring
 405 #undef PRVM_DECLARE_clientfieldedict
 406 #undef PRVM_DECLARE_clientfieldfunction
 407 #undef PRVM_DECLARE_menufieldfloat
 408 #undef PRVM_DECLARE_menufieldvector
 409 #undef PRVM_DECLARE_menufieldstring
 410 #undef PRVM_DECLARE_menufieldedict
 411 #undef PRVM_DECLARE_menufieldfunction
 412 #undef PRVM_DECLARE_serverfunction
 413 #undef PRVM_DECLARE_clientfunction
 414 #undef PRVM_DECLARE_menufunction
 415 #undef PRVM_DECLARE_field
 416 #undef PRVM_DECLARE_global
 417 #undef PRVM_DECLARE_function
 418 };
 419
 420 static void Host_Timescale_c(cvar_t *var)
 421 {
 422         if(var->value < 0.00001 && var->value != 0)
 423                 Cvar_SetValueQuick(var, 0);
 424 }
 425
 426 //============================================================================
 427
 428 static void SV_AreaStats_f(cmd_state_t *cmd)
 429 {
 430         World_PrintAreaStats(&sv.world, "server");
 431 }
 432
 433 /*
 434 ===============
 435 SV_Init
 436 ===============
 437 */
 438 void SV_Init (void)
 439 {
 440         // init the csqc progs cvars, since they are updated/used by the server code
 441         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
 442         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
 443         extern cvar_t csqc_progcrc;
 444         extern cvar_t csqc_progsize;
 445         extern cvar_t csqc_usedemoprogs;
 446
 447         Cvar_RegisterVariable(&sv_worldmessage);
 448         Cvar_RegisterVariable(&sv_worldname);
 449         Cvar_RegisterVariable(&sv_worldnamenoextension);
 450         Cvar_RegisterVariable(&sv_worldbasename);
 451
 452         Cvar_RegisterVariable (&csqc_progname);
 453         Cvar_RegisterVariable (&csqc_progcrc);
 454         Cvar_RegisterVariable (&csqc_progsize);
 455         Cvar_RegisterVariable (&csqc_usedemoprogs);
 456
 457         Cmd_AddCommand(CMD_SHARED, "sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
 458         Cmd_AddCommand(CMD_SHARED, "sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
 459         Cmd_AddCommand(CMD_CLIENT | CMD_SERVER_FROM_CLIENT, "sv_startdownload", SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
 460         Cmd_AddCommand(CMD_CLIENT | CMD_SERVER_FROM_CLIENT, "download", SV_Download_f, "downloads a specified file from the server");
 461
 462         Cvar_RegisterVariable (&sv_disablenotify);
 463         Cvar_RegisterVariable (&coop);
 464         Cvar_RegisterVariable (&deathmatch);
 465         Cvar_RegisterVariable (&fraglimit);
 466         Cvar_RegisterVariable (&gamecfg);
 467         Cvar_RegisterVariable (&noexit);
 468         Cvar_RegisterVariable (&nomonsters);
 469         Cvar_RegisterVariable (&pausable);
 470         Cvar_RegisterVariable (&pr_checkextension);
 471         Cvar_RegisterVariable (&samelevel);
 472         Cvar_RegisterVariable (&skill);
 473         Cvar_RegisterVariable (&host_timescale);
 474         Cvar_RegisterCallback (&host_timescale, Host_Timescale_c);
 475         Cvar_RegisterAlias (&host_timescale, "slowmo");
 476         Cvar_RegisterAlias (&host_timescale, "timescale");
 477         Cvar_RegisterVariable (&sv_accelerate);
 478         Cvar_RegisterVariable (&sv_aim);
 479         Cvar_RegisterVariable (&sv_airaccel_qw);
 480         Cvar_RegisterVariable (&sv_airaccel_qw_stretchfactor);
 481         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
 482         Cvar_RegisterVariable (&sv_airaccelerate);
 483         Cvar_RegisterVariable (&sv_airstopaccelerate);
 484         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
 485         Cvar_RegisterVariable (&sv_maxairstrafespeed);
 486         Cvar_RegisterVariable (&sv_airstrafeaccel_qw);
 487         Cvar_RegisterVariable (&sv_airspeedlimit_nonqw);
 488         Cvar_RegisterVariable (&sv_aircontrol);
 489         Cvar_RegisterVariable (&sv_aircontrol_power);
 490         Cvar_RegisterVariable (&sv_aircontrol_penalty);
 491         Cvar_RegisterVariable (&sv_allowdownloads);
 492         Cvar_RegisterVariable (&sv_allowdownloads_archive);
 493         Cvar_RegisterVariable (&sv_allowdownloads_config);
 494         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
 495         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
 496         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
 497         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
 498         Cvar_RegisterVariable (&sv_clmovement_enable);
 499         Cvar_RegisterVariable (&sv_clmovement_minping);
 500         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
 501         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
 502         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
 503         Cvar_RegisterVariable (&sv_cullentities_pvs);
 504         Cvar_RegisterVariable (&sv_cullentities_stats);
 505         Cvar_RegisterVariable (&sv_cullentities_trace);
 506         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
 507         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
 508         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
 509         Cvar_RegisterVariable (&sv_cullentities_trace_expand);
 510         Cvar_RegisterVariable (&sv_cullentities_trace_eyejitter);
 511         Cvar_RegisterVariable (&sv_cullentities_trace_entityocclusion);
 512         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
 513         Cvar_RegisterVariable (&sv_cullentities_trace_prediction_time);
 514         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
 515         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
 516         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
 517         Cvar_RegisterVariable (&sv_debugmove);
 518         Cvar_RegisterVariable (&sv_echobprint);
 519         Cvar_RegisterVariable (&sv_edgefriction);
 520         Cvar_RegisterVariable (&sv_entpatch);
 521         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
 522         Cvar_RegisterVariable (&sv_freezenonclients);
 523         Cvar_RegisterVariable (&sv_friction);
 524         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
 525         Cvar_RegisterVariable (&sv_gameplayfix_consistentplayerprethink);
 526         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
 527         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
 528         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
 529         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
 530         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
 531         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
 532         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
 533         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
 534         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
 535         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
 536         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid);
 537         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid_separation);
 538         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
 539         Cvar_RegisterVariable (&sv_gameplayfix_nogravityonground);
 540         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
 541         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
 542         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
 543         Cvar_RegisterVariable (&sv_gameplayfix_stepmultipletimes);
 544         Cvar_RegisterVariable (&sv_gameplayfix_nostepmoveonsteepslopes);
 545         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
 546         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
 547         Cvar_RegisterVariable (&sv_gameplayfix_downtracesupportsongroundflag);
 548         Cvar_RegisterVariable (&sv_gameplayfix_q1bsptracelinereportstexture);
 549         Cvar_RegisterVariable (&sv_gameplayfix_unstickplayers);
 550         Cvar_RegisterVariable (&sv_gameplayfix_unstickentities);
 551         Cvar_RegisterVariable (&sv_gameplayfix_fixedcheckwatertransition);
 552         Cvar_RegisterVariable (&sv_gameplayfix_customstats);
 553         Cvar_RegisterVariable (&sv_gravity);
 554         Cvar_RegisterVariable (&sv_init_frame_count);
 555         Cvar_RegisterVariable (&sv_idealpitchscale);
 556         Cvar_RegisterVariable (&sv_jumpstep);
 557         Cvar_RegisterVariable (&sv_jumpvelocity);
 558         Cvar_RegisterVariable (&sv_maxairspeed);
 559         Cvar_RegisterVariable (&sv_maxrate);
 560         Cvar_RegisterVariable (&sv_maxspeed);
 561         Cvar_RegisterVariable (&sv_maxvelocity);
 562         Cvar_RegisterVariable (&sv_nostep);
 563         Cvar_RegisterVariable (&sv_playerphysicsqc);
 564         Cvar_RegisterVariable (&sv_progs);
 565         Cvar_RegisterVariable (&sv_protocolname);
 566         Cvar_RegisterVariable (&sv_random_seed);
 567         Cvar_RegisterVariable (&host_limitlocal);
 568         Cvar_RegisterAlias(&host_limitlocal, "sv_ratelimitlocalplayer");
 569         Cvar_RegisterVariable (&sv_sound_land);
 570         Cvar_RegisterVariable (&sv_sound_watersplash);
 571         Cvar_RegisterVariable (&sv_stepheight);
 572         Cvar_RegisterVariable (&sv_stopspeed);
 573         Cvar_RegisterVariable (&sv_wallfriction);
 574         Cvar_RegisterVariable (&sv_wateraccelerate);
 575         Cvar_RegisterVariable (&sv_waterfriction);
 576         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
 577         Cvar_RegisterVariable (&sv_warsowbunny_accel);
 578         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
 579         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
 580         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
 581         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
 582         Cvar_RegisterVariable (&sv_areadebug);
 583         Cvar_RegisterVariable (&sys_ticrate);
 584         Cvar_RegisterVariable (&teamplay);
 585         Cvar_RegisterVariable (&timelimit);
 586         Cvar_RegisterVariable (&sv_threaded);
 587
 588         Cvar_RegisterVariable (&saved1);
 589         Cvar_RegisterVariable (&saved2);
 590         Cvar_RegisterVariable (&saved3);
 591         Cvar_RegisterVariable (&saved4);
 592         Cvar_RegisterVariable (&savedgamecfg);
 593         Cvar_RegisterVariable (&scratch1);
 594         Cvar_RegisterVariable (&scratch2);
 595         Cvar_RegisterVariable (&scratch3);
 596         Cvar_RegisterVariable (&scratch4);
 597         Cvar_RegisterVariable (&temp1);
 598
 599         // LadyHavoc: Nehahra uses these to pass data around cutscene demos
 600         Cvar_RegisterVariable (&nehx00);
 601         Cvar_RegisterVariable (&nehx01);
 602         Cvar_RegisterVariable (&nehx02);
 603         Cvar_RegisterVariable (&nehx03);
 604         Cvar_RegisterVariable (&nehx04);
 605         Cvar_RegisterVariable (&nehx05);
 606         Cvar_RegisterVariable (&nehx06);
 607         Cvar_RegisterVariable (&nehx07);
 608         Cvar_RegisterVariable (&nehx08);
 609         Cvar_RegisterVariable (&nehx09);
 610         Cvar_RegisterVariable (&nehx10);
 611         Cvar_RegisterVariable (&nehx11);
 612         Cvar_RegisterVariable (&nehx12);
 613         Cvar_RegisterVariable (&nehx13);
 614         Cvar_RegisterVariable (&nehx14);
 615         Cvar_RegisterVariable (&nehx15);
 616         Cvar_RegisterVariable (&nehx16);
 617         Cvar_RegisterVariable (&nehx17);
 618         Cvar_RegisterVariable (&nehx18);
 619         Cvar_RegisterVariable (&nehx19);
 620         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
 621
 622         Cvar_RegisterVariable (&sv_autodemo_perclient);
 623         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
 624         Cvar_RegisterVariable (&sv_autodemo_perclient_discardable);
 625
 626         Cvar_RegisterVariable (&halflifebsp);
 627         Cvar_RegisterVariable (&sv_mapformat_is_quake2);
 628         Cvar_RegisterVariable (&sv_mapformat_is_quake3);
 629
 630         SV_InitOperatorCommands();
 631
 632         sv_mempool = Mem_AllocPool("server", 0, NULL);
 633 }
 634
 635 static void SV_SaveEntFile_f(cmd_state_t *cmd)
 636 {
 637         char vabuf[1024];
 638         if (!sv.active || !sv.worldmodel)
 639         {
 640                 Con_Print("Not running a server\n");
 641                 return;
 642         }
 643         FS_WriteFile(va(vabuf, sizeof(vabuf), "%s.ent", sv.worldnamenoextension), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
 644 }
 645
 646
 647 /*
 648 =============================================================================
 649
 650 EVENT MESSAGES
 651
 652 =============================================================================
 653 */
 654
 655 /*
 656 ==================
 657 SV_StartParticle
 658
 659 Make sure the event gets sent to all clients
 660 ==================
 661 */
 662 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 663 {
 664         int i;
 665
 666         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 667                 return;
 668         MSG_WriteByte (&sv.datagram, svc_particle);
 669         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 670         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 671         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 672         for (i=0 ; i<3 ; i++)
 673                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
 674         MSG_WriteByte (&sv.datagram, count);
 675         MSG_WriteByte (&sv.datagram, color);
 676         SV_FlushBroadcastMessages();
 677 }
 678
 679 /*
 680 ==================
 681 SV_StartEffect
 682
 683 Make sure the event gets sent to all clients
 684 ==================
 685 */
 686 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 687 {
 688         if (modelindex >= 256 || startframe >= 256)
 689         {
 690                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 691                         return;
 692                 MSG_WriteByte (&sv.datagram, svc_effect2);
 693                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 694                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 695                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 696                 MSG_WriteShort (&sv.datagram, modelindex);
 697                 MSG_WriteShort (&sv.datagram, startframe);
 698                 MSG_WriteByte (&sv.datagram, framecount);
 699                 MSG_WriteByte (&sv.datagram, framerate);
 700         }
 701         else
 702         {
 703                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 704                         return;
 705                 MSG_WriteByte (&sv.datagram, svc_effect);
 706                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 707                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 708                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 709                 MSG_WriteByte (&sv.datagram, modelindex);
 710                 MSG_WriteByte (&sv.datagram, startframe);
 711                 MSG_WriteByte (&sv.datagram, framecount);
 712                 MSG_WriteByte (&sv.datagram, framerate);
 713         }
 714         SV_FlushBroadcastMessages();
 715 }
 716
 717 /*
 718 ==================
 719 SV_StartSound
 720
 721 Each entity can have eight independant sound sources, like voice,
 722 weapon, feet, etc.
 723
 724 Channel 0 is an auto-allocate channel, the others override anything
 725 already running on that entity/channel pair.
 726
 727 An attenuation of 0 will play full volume everywhere in the level.
 728 Larger attenuations will drop off.  (max 4 attenuation)
 729
 730 ==================
 731 */
 732 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int nvolume, float attenuation, qboolean reliable, float speed)
 733 {
 734         prvm_prog_t *prog = SVVM_prog;
 735         sizebuf_t *dest;
 736         int sound_num, field_mask, i, ent, speed4000;
 737
 738         dest = (reliable ? &sv.reliable_datagram : &sv.datagram);
 739
 740         if (nvolume < 0 || nvolume > 255)
 741         {
 742                 Con_Printf ("SV_StartSound: volume = %i\n", nvolume);
 743                 return;
 744         }
 745
 746         if (attenuation < 0 || attenuation > 4)
 747         {
 748                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
 749                 return;
 750         }
 751
 752         if (!IS_CHAN(channel))
 753         {
 754                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
 755                 return;
 756         }
 757
 758         channel = CHAN_ENGINE2NET(channel);
 759
 760         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 761                 return;
 762
 763 // find precache number for sound
 764         sound_num = SV_SoundIndex(sample, 1);
 765         if (!sound_num)
 766                 return;
 767
 768         ent = PRVM_NUM_FOR_EDICT(entity);
 769
 770         speed4000 = (int)floor(speed * 4000.0f + 0.5f);
 771         field_mask = 0;
 772         if (nvolume != DEFAULT_SOUND_PACKET_VOLUME)
 773                 field_mask |= SND_VOLUME;
 774         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 775                 field_mask |= SND_ATTENUATION;
 776         if (speed4000 && speed4000 != 4000)
 777                 field_mask |= SND_SPEEDUSHORT4000;
 778         if (ent >= 8192 || channel < 0 || channel > 7)
 779                 field_mask |= SND_LARGEENTITY;
 780         if (sound_num >= 256)
 781                 field_mask |= SND_LARGESOUND;
 782
 783 // directed messages go only to the entity they are targeted on
 784         MSG_WriteByte (dest, svc_sound);
 785         MSG_WriteByte (dest, field_mask);
 786         if (field_mask & SND_VOLUME)
 787                 MSG_WriteByte (dest, nvolume);
 788         if (field_mask & SND_ATTENUATION)
 789                 MSG_WriteByte (dest, (int)(attenuation*64));
 790         if (field_mask & SND_SPEEDUSHORT4000)
 791                 MSG_WriteShort (dest, speed4000);
 792         if (field_mask & SND_LARGEENTITY)
 793         {
 794                 MSG_WriteShort (dest, ent);
 795                 MSG_WriteChar (dest, channel);
 796         }
 797         else
 798                 MSG_WriteShort (dest, (ent<<3) | channel);
 799         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
 800                 MSG_WriteShort (dest, sound_num);
 801         else
 802                 MSG_WriteByte (dest, sound_num);
 803         for (i = 0;i < 3;i++)
 804                 MSG_WriteCoord (dest, PRVM_serveredictvector(entity, origin)[i]+0.5*(PRVM_serveredictvector(entity, mins)[i]+PRVM_serveredictvector(entity, maxs)[i]), sv.protocol);
 805
 806         // TODO do we have to do anything here when dest is &sv.reliable_datagram?
 807         if(!reliable)
 808                 SV_FlushBroadcastMessages();
 809 }
 810
 811 /*
 812 ==================
 813 SV_StartPointSound
 814
 815 Nearly the same logic as SV_StartSound, except an origin
 816 instead of an entity is provided and channel is omitted.
 817
 818 The entity sent to the client is 0 (world) and the channel
 819 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
 820 function, therefore the check for it is omitted.
 821
 822 ==================
 823 */
 824 void SV_StartPointSound (vec3_t origin, const char *sample, int nvolume, float attenuation, float speed)
 825 {
 826         int sound_num, field_mask, i, speed4000;
 827
 828         if (nvolume < 0 || nvolume > 255)
 829         {
 830                 Con_Printf ("SV_StartPointSound: volume = %i\n", nvolume);
 831                 return;
 832         }
 833
 834         if (attenuation < 0 || attenuation > 4)
 835         {
 836                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
 837                 return;
 838         }
 839
 840         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 841                 return;
 842
 843         // find precache number for sound
 844         sound_num = SV_SoundIndex(sample, 1);
 845         if (!sound_num)
 846                 return;
 847
 848         speed4000 = (int)(speed * 40.0f);
 849         field_mask = 0;
 850         if (nvolume != DEFAULT_SOUND_PACKET_VOLUME)
 851                 field_mask |= SND_VOLUME;
 852         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 853                 field_mask |= SND_ATTENUATION;
 854         if (sound_num >= 256)
 855                 field_mask |= SND_LARGESOUND;
 856         if (speed4000 && speed4000 != 4000)
 857                 field_mask |= SND_SPEEDUSHORT4000;
 858
 859 // directed messages go only to the entity they are targeted on
 860         MSG_WriteByte (&sv.datagram, svc_sound);
 861         MSG_WriteByte (&sv.datagram, field_mask);
 862         if (field_mask & SND_VOLUME)
 863                 MSG_WriteByte (&sv.datagram, nvolume);
 864         if (field_mask & SND_ATTENUATION)
 865                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 866         if (field_mask & SND_SPEEDUSHORT4000)
 867                 MSG_WriteShort (&sv.datagram, speed4000);
 868         // Always write entnum 0 for the world entity
 869         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
 870         if (field_mask & SND_LARGESOUND)
 871                 MSG_WriteShort (&sv.datagram, sound_num);
 872         else
 873                 MSG_WriteByte (&sv.datagram, sound_num);
 874         for (i = 0;i < 3;i++)
 875                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
 876         SV_FlushBroadcastMessages();
 877 }
 878
 879 /*
 880 ==============================================================================
 881
 882 CLIENT SPAWNING
 883
 884 ==============================================================================
 885 */
 886
 887 /*
 888 ================
 889 SV_SendServerinfo
 890
 891 Sends the first message from the server to a connected client.
 892 This will be sent on the initial connection and upon each server load.
 893 ================
 894 */
 895 void SV_SendServerinfo (client_t *client)
 896 {
 897         prvm_prog_t *prog = SVVM_prog;
 898         int i;
 899         char message[128];
 900         char vabuf[1024];
 901
 902         // we know that this client has a netconnection and thus is not a bot
 903
 904         // edicts get reallocated on level changes, so we need to update it here
 905         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
 906
 907         // clear cached stuff that depends on the level
 908         client->weaponmodel[0] = 0;
 909         client->weaponmodelindex = 0;
 910
 911         // LadyHavoc: clear entityframe tracking
 912         client->latestframenum = 0;
 913
 914         // initialize the movetime, so a speedhack can't make use of the time before this client joined
 915         client->cmd.time = sv.time;
 916
 917         if (client->entitydatabase)
 918                 EntityFrame_FreeDatabase(client->entitydatabase);
 919         if (client->entitydatabase4)
 920                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 921         if (client->entitydatabase5)
 922                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 923
 924         memset(client->stats, 0, sizeof(client->stats));
 925         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
 926
 927         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)
 928         {
 929                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 930                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
 931                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
 932                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
 933                 else
 934                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
 935         }
 936
 937         // reset csqc entity versions
 938         for (i = 0;i < prog->max_edicts;i++)
 939         {
 940                 client->csqcentityscope[i] = 0;
 941                 client->csqcentitysendflags[i] = 0xFFFFFF;
 942         }
 943         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
 944         {
 945                 client->csqcentityframehistory[i].num = 0;
 946                 client->csqcentityframehistory[i].framenum = -1;
 947         }
 948         client->csqcnumedicts = 0;
 949         client->csqcentityframehistory_next = 0;
 950
 951         SZ_Clear (&client->netconnection->message);
 952         MSG_WriteByte (&client->netconnection->message, svc_print);
 953         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)\n", gamename, buildstring, prog->filecrc);
 954         MSG_WriteString (&client->netconnection->message,message);
 955
 956         SV_StopDemoRecording(client); // to split up demos into different files
 957         if(sv_autodemo_perclient.integer)
 958         {
 959                 char demofile[MAX_OSPATH];
 960                 char ipaddress[MAX_QPATH];
 961                 size_t j;
 962
 963                 // start a new demo file
 964                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
 965                 for(j = 0; ipaddress[j]; ++j)
 966                         if(!isalnum(ipaddress[j]))
 967                                 ipaddress[j] = '-';
 968                 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);
 969
 970                 SV_StartDemoRecording(client, demofile, -1);
 971         }
 972
 973         //[515]: init csprogs according to version of svprogs, check the crc, etc.
 974         if (sv.csqc_progname[0])
 975         {
 976                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
 977                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 978                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progname %s\n", sv.csqc_progname));
 979                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 980                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progsize %i\n", sv.csqc_progsize));
 981                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 982                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progcrc %i\n", sv.csqc_progcrc));
 983
 984                 if(client->sv_demo_file != NULL)
 985                 {
 986                         int k;
 987                         static char buf[NET_MAXMESSAGE];
 988                         sizebuf_t sb;
 989
 990                         sb.data = (unsigned char *) buf;
 991                         sb.maxsize = sizeof(buf);
 992                         k = 0;
 993                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, k++, &sb, sv.protocol))
 994                                 SV_WriteDemoMessage(client, &sb, false);
 995                 }
 996
 997                 //[515]: init stufftext string (it is sent before svc_serverinfo)
 998                 if (PRVM_GetString(prog, PRVM_serverglobalstring(SV_InitCmd)))
 999                 {
1000                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
1001                         MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "%s\n", PRVM_GetString(prog, PRVM_serverglobalstring(SV_InitCmd))));
1002                 }
1003         }
1004
1005         //if (sv_allowdownloads.integer)
1006         // always send the info that the server supports the protocol, even if downloads are forbidden
1007         // only because of that, the CSQC exception can work
1008         {
1009                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
1010                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
1011         }
1012
1013         // send at this time so it's guaranteed to get executed at the right time
1014         {
1015                 client_t *save;
1016                 save = host_client;
1017                 host_client = client;
1018                 Curl_SendRequirements();
1019                 host_client = save;
1020         }
1021
1022         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
1023         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
1024         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
1025
1026         if (!coop.integer && deathmatch.integer)
1027                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
1028         else
1029                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
1030
1031         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog, PRVM_serveredictstring(prog->edicts, message)));
1032
1033         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
1034                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
1035         MSG_WriteByte (&client->netconnection->message, 0);
1036
1037         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
1038                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
1039         MSG_WriteByte (&client->netconnection->message, 0);
1040
1041 // send music
1042         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
1043         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
1044         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
1045
1046 // set view
1047 // store this in clientcamera, too
1048         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
1049         MSG_WriteByte (&client->netconnection->message, svc_setview);
1050         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
1051
1052         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
1053         MSG_WriteByte (&client->netconnection->message, 1);
1054
1055         client->prespawned = false;             // need prespawn, spawn, etc
1056         client->spawned = false;                // need prespawn, spawn, etc
1057         client->begun = false;                  // need prespawn, spawn, etc
1058         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
1059
1060         // clear movement info until client enters the new level properly
1061         memset(&client->cmd, 0, sizeof(client->cmd));
1062         client->movesequence = 0;
1063         client->movement_highestsequence_seen = 0;
1064         memset(&client->movement_count, 0, sizeof(client->movement_count));
1065 #ifdef NUM_PING_TIMES
1066         for (i = 0;i < NUM_PING_TIMES;i++)
1067                 client->ping_times[i] = 0;
1068         client->num_pings = 0;
1069 #endif
1070         client->ping = 0;
1071
1072         // allow the client some time to send his keepalives, even if map loading took ages
1073         client->netconnection->timeout = host.realtime + net_connecttimeout.value;
1074 }
1075
1076 /*
1077 ================
1078 SV_ConnectClient
1079
1080 Initializes a client_t for a new net connection.  This will only be called
1081 once for a player each game, not once for each level change.
1082 ================
1083 */
1084 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
1085 {
1086         prvm_prog_t *prog = SVVM_prog;
1087         client_t                *client;
1088         int                             i;
1089
1090         client = svs.clients + clientnum;
1091
1092 // set up the client_t
1093         if (sv.loadgame)
1094         {
1095                 float backupparms[NUM_SPAWN_PARMS];
1096                 memcpy(backupparms, client->spawn_parms, sizeof(backupparms));
1097                 memset(client, 0, sizeof(*client));
1098                 memcpy(client->spawn_parms, backupparms, sizeof(backupparms));
1099         }
1100         else
1101                 memset(client, 0, sizeof(*client));
1102         client->active = true;
1103         client->netconnection = netconnection;
1104
1105         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
1106
1107         if(client->netconnection && client->netconnection->crypto.authenticated)
1108         {
1109                 Con_Printf("%s connection to %s has been established: client is %s@%s%.*s, I am %.*s@%s%.*s\n",
1110                                 client->netconnection->crypto.use_aes ? "Encrypted" : "Authenticated",
1111                                 client->netconnection->address,
1112                                 client->netconnection->crypto.client_idfp[0] ? client->netconnection->crypto.client_idfp : "-",
1113                                 (client->netconnection->crypto.client_issigned || !client->netconnection->crypto.client_keyfp[0]) ? "" : "~",
1114                                 crypto_keyfp_recommended_length, client->netconnection->crypto.client_keyfp[0] ? client->netconnection->crypto.client_keyfp : "-",
1115                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_idfp[0] ? client->netconnection->crypto.server_idfp : "-",
1116                                 (client->netconnection->crypto.server_issigned || !client->netconnection->crypto.server_keyfp[0]) ? "" : "~",
1117                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_keyfp[0] ? client->netconnection->crypto.server_keyfp : "-"
1118                                 );
1119         }
1120
1121         strlcpy(client->name, "unconnected", sizeof(client->name));
1122         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
1123         client->prespawned = false;
1124         client->spawned = false;
1125         client->begun = false;
1126         client->edict = PRVM_EDICT_NUM(clientnum+1);
1127         if (client->netconnection)
1128                 client->netconnection->message.allowoverflow = true;            // we can catch it
1129         // prepare the unreliable message buffer
1130         client->unreliablemsg.data = client->unreliablemsg_data;
1131         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
1132         // updated by receiving "rate" command from client, this is also the default if not using a DP client
1133         client->rate = 1000000000;
1134         client->connecttime = host.realtime;
1135
1136         if (!sv.loadgame)
1137         {
1138                 // call the progs to get default spawn parms for the new client
1139                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
1140                 PRVM_serverglobalfloat(time) = sv.time;
1141                 PRVM_serverglobaledict(self) = 0;
1142                 prog->ExecuteProgram(prog, PRVM_serverfunction(SetNewParms), "QC function SetNewParms is missing");
1143                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1144                         client->spawn_parms[i] = (&PRVM_serverglobalfloat(parm1))[i];
1145
1146                 // set up the entity for this client (including .colormap, .team, etc)
1147                 PRVM_ED_ClearEdict(prog, client->edict);
1148         }
1149
1150         // don't call SendServerinfo for a fresh botclient because its fields have
1151         // not been set up by the qc yet
1152         if (client->netconnection)
1153                 SV_SendServerinfo (client);
1154         else
1155                 client->prespawned = client->spawned = client->begun = true;
1156 }
1157
1158 /*
1159 =====================
1160 SV_DropClient
1161
1162 Called when the player is getting totally kicked off the host
1163 if (crash = true), don't bother sending signofs
1164 =====================
1165 */
1166 void SV_DropClient(qboolean crash)
1167 {
1168         prvm_prog_t *prog = SVVM_prog;
1169         int i;
1170         Con_Printf("Client \"%s\" dropped\n", host_client->name);
1171
1172         SV_StopDemoRecording(host_client);
1173
1174         // make sure edict is not corrupt (from a level change for example)
1175         host_client->edict = PRVM_EDICT_NUM(host_client - svs.clients + 1);
1176
1177         if (host_client->netconnection)
1178         {
1179                 // tell the client to be gone
1180                 if (!crash)
1181                 {
1182                         // LadyHavoc: no opportunity for resending, so use unreliable 3 times
1183                         unsigned char bufdata[8];
1184                         sizebuf_t buf;
1185                         memset(&buf, 0, sizeof(buf));
1186                         buf.data = bufdata;
1187                         buf.maxsize = sizeof(bufdata);
1188                         MSG_WriteByte(&buf, svc_disconnect);
1189                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, 0, false);
1190                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, 0, false);
1191                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, 0, false);
1192                 }
1193         }
1194
1195         // call qc ClientDisconnect function
1196         // LadyHavoc: don't call QC if server is dead (avoids recursive
1197         // Host_Error in some mods when they run out of edicts)
1198         if (host_client->clientconnectcalled && sv.active && host_client->edict)
1199         {
1200                 // call the prog function for removing a client
1201                 // this will set the body to a dead frame, among other things
1202                 int saveSelf = PRVM_serverglobaledict(self);
1203                 host_client->clientconnectcalled = false;
1204                 PRVM_serverglobalfloat(time) = sv.time;
1205                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
1206                 prog->ExecuteProgram(prog, PRVM_serverfunction(ClientDisconnect), "QC function ClientDisconnect is missing");
1207                 PRVM_serverglobaledict(self) = saveSelf;
1208         }
1209
1210         if (host_client->netconnection)
1211         {
1212                 // break the net connection
1213                 NetConn_Close(host_client->netconnection);
1214                 host_client->netconnection = NULL;
1215         }
1216
1217         // if a download is active, close it
1218         if (host_client->download_file)
1219         {
1220                 Con_DPrintf("Download of %s aborted when %s dropped\n", host_client->download_name, host_client->name);
1221                 FS_Close(host_client->download_file);
1222                 host_client->download_file = NULL;
1223                 host_client->download_name[0] = 0;
1224                 host_client->download_expectedposition = 0;
1225                 host_client->download_started = false;
1226         }
1227
1228         // remove leaving player from scoreboard
1229         host_client->name[0] = 0;
1230         host_client->colors = 0;
1231         host_client->frags = 0;
1232         // send notification to all clients
1233         // get number of client manually just to make sure we get it right...
1234         i = host_client - svs.clients;
1235         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
1236         MSG_WriteByte (&sv.reliable_datagram, i);
1237         MSG_WriteString (&sv.reliable_datagram, host_client->name);
1238         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
1239         MSG_WriteByte (&sv.reliable_datagram, i);
1240         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
1241         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
1242         MSG_WriteByte (&sv.reliable_datagram, i);
1243         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
1244
1245         // free the client now
1246         if (host_client->entitydatabase)
1247                 EntityFrame_FreeDatabase(host_client->entitydatabase);
1248         if (host_client->entitydatabase4)
1249                 EntityFrame4_FreeDatabase(host_client->entitydatabase4);
1250         if (host_client->entitydatabase5)
1251                 EntityFrame5_FreeDatabase(host_client->entitydatabase5);
1252
1253         if (sv.active)
1254         {
1255                 // clear a fields that matter to DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS, and also frags
1256                 PRVM_ED_ClearEdict(prog, host_client->edict);
1257         }
1258
1259         // clear the client struct (this sets active to false)
1260         memset(host_client, 0, sizeof(*host_client));
1261
1262         // update server listing on the master because player count changed
1263         // (which the master uses for filtering empty/full servers)
1264         NetConn_Heartbeat(1);
1265
1266         if (sv.loadgame)
1267         {
1268                 for (i = 0;i < svs.maxclients;i++)
1269                         if (svs.clients[i].active && !svs.clients[i].spawned)
1270                                 break;
1271                 if (i == svs.maxclients)
1272                 {
1273                         Con_Printf("Loaded game, everyone rejoined - unpausing\n");
1274                         sv.paused = sv.loadgame = false; // we're basically done with loading now
1275                 }
1276         }
1277 }
1278
1279 /*
1280 ===============================================================================
1281
1282 FRAME UPDATES
1283
1284 ===============================================================================
1285 */
1286
1287 /*
1288 =============================================================================
1289
1290 The PVS must include a small area around the client to allow head bobbing
1291 or other small motion on the client side.  Otherwise, a bob might cause an
1292 entity that should be visible to not show up, especially when the bob
1293 crosses a waterline.
1294
1295 =============================================================================
1296 */
1297
1298 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1299 {
1300         prvm_prog_t *prog = SVVM_prog;
1301         int i;
1302         unsigned int sendflags;
1303         unsigned int version;
1304         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1305         unsigned int customizeentityforclient;
1306         unsigned int sendentity;
1307         float f;
1308         prvm_vec_t *v;
1309         vec3_t cullmins, cullmaxs;
1310         dp_model_t *model;
1311
1312         // fast path for games that do not use legacy entity networking
1313         // note: still networks clients even if they are legacy
1314         sendentity = PRVM_serveredictfunction(ent, SendEntity);
1315         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1316                 return false;
1317
1318         // this 2 billion unit check is actually to detect NAN origins
1319         // (we really don't want to send those)
1320         if (!(VectorLength2(PRVM_serveredictvector(ent, origin)) < 2000000000.0*2000000000.0))
1321                 return false;
1322
1323         // EF_NODRAW prevents sending for any reason except for your own
1324         // client, so we must keep all clients in this superset
1325         effects = (unsigned)PRVM_serveredictfloat(ent, effects);
1326
1327         // we can omit invisible entities with no effects that are not clients
1328         // LadyHavoc: this could kill tags attached to an invisible entity, I
1329         // just hope we never have to support that case
1330         i = (int)PRVM_serveredictfloat(ent, modelindex);
1331         modelindex = (i >= 1 && i < MAX_MODELS && PRVM_serveredictstring(ent, model) && *PRVM_GetString(prog, PRVM_serveredictstring(ent, model)) && sv.models[i]) ? i : 0;
1332
1333         flags = 0;
1334         i = (int)(PRVM_serveredictfloat(ent, glow_size) * 0.25f);
1335         glowsize = (unsigned char)bound(0, i, 255);
1336         if (PRVM_serveredictfloat(ent, glow_trail))
1337                 flags |= RENDER_GLOWTRAIL;
1338         if (PRVM_serveredictedict(ent, viewmodelforclient))
1339                 flags |= RENDER_VIEWMODEL;
1340
1341         v = PRVM_serveredictvector(ent, color);
1342         f = v[0]*256;
1343         light[0] = (unsigned short)bound(0, f, 65535);
1344         f = v[1]*256;
1345         light[1] = (unsigned short)bound(0, f, 65535);
1346         f = v[2]*256;
1347         light[2] = (unsigned short)bound(0, f, 65535);
1348         f = PRVM_serveredictfloat(ent, light_lev);
1349         light[3] = (unsigned short)bound(0, f, 65535);
1350         lightstyle = (unsigned char)PRVM_serveredictfloat(ent, style);
1351         lightpflags = (unsigned char)PRVM_serveredictfloat(ent, pflags);
1352
1353         if (gamemode == GAME_TENEBRAE)
1354         {
1355                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1356                 if (effects & 16)
1357                 {
1358                         effects &= ~16;
1359                         lightpflags |= PFLAGS_FULLDYNAMIC;
1360                 }
1361                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1362                 if (effects & 32)
1363                 {
1364                         effects &= ~32;
1365                         light[0] = (int)(0.2*256);
1366                         light[1] = (int)(1.0*256);
1367                         light[2] = (int)(0.2*256);
1368                         light[3] = 200;
1369                         lightpflags |= PFLAGS_FULLDYNAMIC;
1370                 }
1371         }
1372
1373         specialvisibilityradius = 0;
1374         if (lightpflags & PFLAGS_FULLDYNAMIC)
1375                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1376         if (glowsize)
1377                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1378         if (flags & RENDER_GLOWTRAIL)
1379                 specialvisibilityradius = max(specialvisibilityradius, 100);
1380         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1381         {
1382                 if (effects & EF_BRIGHTFIELD)
1383                         specialvisibilityradius = max(specialvisibilityradius, 80);
1384                 if (effects & EF_MUZZLEFLASH)
1385                         specialvisibilityradius = max(specialvisibilityradius, 100);
1386                 if (effects & EF_BRIGHTLIGHT)
1387                         specialvisibilityradius = max(specialvisibilityradius, 400);
1388                 if (effects & EF_DIMLIGHT)
1389                         specialvisibilityradius = max(specialvisibilityradius, 200);
1390                 if (effects & EF_RED)
1391                         specialvisibilityradius = max(specialvisibilityradius, 200);
1392                 if (effects & EF_BLUE)
1393                         specialvisibilityradius = max(specialvisibilityradius, 200);
1394                 if (effects & EF_FLAME)
1395                         specialvisibilityradius = max(specialvisibilityradius, 250);
1396                 if (effects & EF_STARDUST)
1397                         specialvisibilityradius = max(specialvisibilityradius, 100);
1398         }
1399
1400         // early culling checks
1401         // (final culling is done by SV_MarkWriteEntityStateToClient)
1402         customizeentityforclient = PRVM_serveredictfunction(ent, customizeentityforclient);
1403         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1404                 return false;
1405
1406         *cs = defaultstate;
1407         cs->active = ACTIVE_NETWORK;
1408         cs->number = enumber;
1409         VectorCopy(PRVM_serveredictvector(ent, origin), cs->origin);
1410         VectorCopy(PRVM_serveredictvector(ent, angles), cs->angles);
1411         cs->flags = flags;
1412         cs->effects = effects;
1413         cs->colormap = (unsigned)PRVM_serveredictfloat(ent, colormap);
1414         cs->modelindex = modelindex;
1415         cs->skin = (unsigned)PRVM_serveredictfloat(ent, skin);
1416         cs->frame = (unsigned)PRVM_serveredictfloat(ent, frame);
1417         cs->viewmodelforclient = PRVM_serveredictedict(ent, viewmodelforclient);
1418         cs->exteriormodelforclient = PRVM_serveredictedict(ent, exteriormodeltoclient);
1419         cs->nodrawtoclient = PRVM_serveredictedict(ent, nodrawtoclient);
1420         cs->drawonlytoclient = PRVM_serveredictedict(ent, drawonlytoclient);
1421         cs->customizeentityforclient = customizeentityforclient;
1422         cs->tagentity = PRVM_serveredictedict(ent, tag_entity);
1423         cs->tagindex = (unsigned char)PRVM_serveredictfloat(ent, tag_index);
1424         cs->glowsize = glowsize;
1425         cs->traileffectnum = PRVM_serveredictfloat(ent, traileffectnum);
1426
1427         // don't need to init cs->colormod because the defaultstate did that for us
1428         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1429         v = PRVM_serveredictvector(ent, colormod);
1430         if (VectorLength2(v))
1431         {
1432                 i = (int)(v[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1433                 i = (int)(v[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1434                 i = (int)(v[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1435         }
1436
1437         // don't need to init cs->glowmod because the defaultstate did that for us
1438         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1439         v = PRVM_serveredictvector(ent, glowmod);
1440         if (VectorLength2(v))
1441         {
1442                 i = (int)(v[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1443                 i = (int)(v[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1444                 i = (int)(v[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1445         }
1446
1447         cs->modelindex = modelindex;
1448
1449         cs->alpha = 255;
1450         f = (PRVM_serveredictfloat(ent, alpha) * 255.0f);
1451         if (f)
1452         {
1453                 i = (int)f;
1454                 cs->alpha = (unsigned char)bound(0, i, 255);
1455         }
1456         // halflife
1457         f = (PRVM_serveredictfloat(ent, renderamt));
1458         if (f)
1459         {
1460                 i = (int)f;
1461                 cs->alpha = (unsigned char)bound(0, i, 255);
1462         }
1463
1464         cs->scale = 16;
1465         f = (PRVM_serveredictfloat(ent, scale) * 16.0f);
1466         if (f)
1467         {
1468                 i = (int)f;
1469                 cs->scale = (unsigned char)bound(0, i, 255);
1470         }
1471
1472         cs->glowcolor = 254;
1473         f = PRVM_serveredictfloat(ent, glow_color);
1474         if (f)
1475                 cs->glowcolor = (int)f;
1476
1477         if (PRVM_serveredictfloat(ent, fullbright))
1478                 cs->effects |= EF_FULLBRIGHT;
1479
1480         f = PRVM_serveredictfloat(ent, modelflags);
1481         if (f)
1482                 cs->effects |= ((unsigned int)f & 0xff) << 24;
1483
1484         if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
1485                 cs->flags |= RENDER_STEP;
1486         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)
1487                 cs->flags |= RENDER_LOWPRECISION;
1488         if (PRVM_serveredictfloat(ent, colormap) >= 1024)
1489                 cs->flags |= RENDER_COLORMAPPED;
1490         if (cs->viewmodelforclient)
1491                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1492
1493         if (PRVM_serveredictfloat(ent, sendcomplexanimation))
1494         {
1495                 cs->flags |= RENDER_COMPLEXANIMATION;
1496                 if (PRVM_serveredictfloat(ent, skeletonindex) >= 1)
1497                         cs->skeletonobject = ent->priv.server->skeleton;
1498                 cs->framegroupblend[0].frame = PRVM_serveredictfloat(ent, frame);
1499                 cs->framegroupblend[1].frame = PRVM_serveredictfloat(ent, frame2);
1500                 cs->framegroupblend[2].frame = PRVM_serveredictfloat(ent, frame3);
1501                 cs->framegroupblend[3].frame = PRVM_serveredictfloat(ent, frame4);
1502                 cs->framegroupblend[0].start = PRVM_serveredictfloat(ent, frame1time);
1503                 cs->framegroupblend[1].start = PRVM_serveredictfloat(ent, frame2time);
1504                 cs->framegroupblend[2].start = PRVM_serveredictfloat(ent, frame3time);
1505                 cs->framegroupblend[3].start = PRVM_serveredictfloat(ent, frame4time);
1506                 cs->framegroupblend[1].lerp = PRVM_serveredictfloat(ent, lerpfrac);
1507                 cs->framegroupblend[2].lerp = PRVM_serveredictfloat(ent, lerpfrac3);
1508                 cs->framegroupblend[3].lerp = PRVM_serveredictfloat(ent, lerpfrac4);
1509                 cs->framegroupblend[0].lerp = 1.0f - cs->framegroupblend[1].lerp - cs->framegroupblend[2].lerp - cs->framegroupblend[3].lerp;
1510                 cs->frame = 0; // don't need the legacy frame
1511         }
1512
1513         cs->light[0] = light[0];
1514         cs->light[1] = light[1];
1515         cs->light[2] = light[2];
1516         cs->light[3] = light[3];
1517         cs->lightstyle = lightstyle;
1518         cs->lightpflags = lightpflags;
1519
1520         cs->specialvisibilityradius = specialvisibilityradius;
1521
1522         // calculate the visible box of this entity (don't use the physics box
1523         // as that is often smaller than a model, and would not count
1524         // specialvisibilityradius)
1525         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1526         {
1527                 float scale = cs->scale * (1.0f / 16.0f);
1528                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1529                 {
1530                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1531                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1532                 }
1533                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1534                 {
1535                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1536                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1537                 }
1538                 else
1539                 {
1540                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1541                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1542                 }
1543         }
1544         else
1545         {
1546                 // if there is no model (or it could not be loaded), use the physics box
1547                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, mins), cullmins);
1548                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, maxs), cullmaxs);
1549         }
1550         if (specialvisibilityradius)
1551         {
1552                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1553                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1554                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1555                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1556                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1557                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1558         }
1559
1560         // calculate center of bbox for network prioritization purposes
1561         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1562
1563         // if culling box has moved, update pvs cluster links
1564         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1565         {
1566                 VectorCopy(cullmins, ent->priv.server->cullmins);
1567                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1568                 // a value of -1 for pvs_numclusters indicates that the links are not
1569                 // cached, and should be re-tested each time, this is the case if the
1570                 // culling box touches too many pvs clusters to store, or if the world
1571                 // model does not support FindBoxClusters
1572                 ent->priv.server->pvs_numclusters = -1;
1573                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1574                 {
1575                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1576                         if (i <= MAX_ENTITYCLUSTERS)
1577                                 ent->priv.server->pvs_numclusters = i;
1578                 }
1579         }
1580
1581         // we need to do some csqc entity upkeep here
1582         // get self.SendFlags and clear them
1583         // (to let the QC know that they've been read)
1584         if (sendentity)
1585         {
1586                 sendflags = (unsigned int)PRVM_serveredictfloat(ent, SendFlags);
1587                 PRVM_serveredictfloat(ent, SendFlags) = 0;
1588                 // legacy self.Version system
1589                 if ((version = (unsigned int)PRVM_serveredictfloat(ent, Version)))
1590                 {
1591                         if (sv.csqcentityversion[enumber] != version)
1592                                 sendflags = 0xFFFFFF;
1593                         sv.csqcentityversion[enumber] = version;
1594                 }
1595                 // move sendflags into the per-client sendflags
1596                 if (sendflags)
1597                         for (i = 0;i < svs.maxclients;i++)
1598                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1599                 // mark it as inactive for non-csqc networking
1600                 cs->active = ACTIVE_SHARED;
1601         }
1602
1603         return true;
1604 }
1605
1606 static void SV_PrepareEntitiesForSending(void)
1607 {
1608         prvm_prog_t *prog = SVVM_prog;
1609         int e;
1610         prvm_edict_t *ent;
1611         // send all entities that touch the pvs
1612         sv.numsendentities = 0;
1613         sv.sendentitiesindex[0] = NULL;
1614         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1615         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1616         {
1617                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1618                 {
1619                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1620                         sv.numsendentities++;
1621                 }
1622         }
1623 }
1624
1625 #define MAX_LINEOFSIGHTTRACES 64
1626
1627 qboolean SV_CanSeeBox(int numtraces, vec_t eyejitter, vec_t enlarge, vec_t entboxexpand, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1628 {
1629         prvm_prog_t *prog = SVVM_prog;
1630         float pitchsign;
1631         float alpha;
1632         float starttransformed[3], endtransformed[3];
1633         float boxminstransformed[3], boxmaxstransformed[3];
1634         float localboxcenter[3], localboxextents[3], localboxmins[3], localboxmaxs[3];
1635         int blocked = 0;
1636         int traceindex;
1637         int originalnumtouchedicts;
1638         int numtouchedicts = 0;
1639         int touchindex;
1640         matrix4x4_t matrix, imatrix;
1641         dp_model_t *model;
1642         prvm_edict_t *touch;
1643         static prvm_edict_t *touchedicts[MAX_EDICTS];
1644         vec3_t eyemins, eyemaxs, start;
1645         vec3_t boxmins, boxmaxs;
1646         vec3_t clipboxmins, clipboxmaxs;
1647         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1648
1649         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1650
1651         // jitter the eye location within this box
1652         eyemins[0] = eye[0] - eyejitter;
1653         eyemaxs[0] = eye[0] + eyejitter;
1654         eyemins[1] = eye[1] - eyejitter;
1655         eyemaxs[1] = eye[1] + eyejitter;
1656         eyemins[2] = eye[2] - eyejitter;
1657         eyemaxs[2] = eye[2] + eyejitter;
1658         // expand the box a little
1659         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0] - entboxexpand;
1660         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0] + entboxexpand;
1661         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1] - entboxexpand;
1662         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1] + entboxexpand;
1663         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2] - entboxexpand;
1664         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2] + entboxexpand;
1665
1666         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1667         for (traceindex = 1;traceindex < numtraces;traceindex++)
1668                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1669
1670         // calculate sweep box for the entire swarm of traces
1671         VectorCopy(eyemins, clipboxmins);
1672         VectorCopy(eyemaxs, clipboxmaxs);
1673         for (traceindex = 0;traceindex < numtraces;traceindex++)
1674         {
1675                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1676                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1677                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1678                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1679                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1680                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1681         }
1682
1683         // get the list of entities in the sweep box
1684         if (sv_cullentities_trace_entityocclusion.integer)
1685                 numtouchedicts = SV_EntitiesInBox(clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1686         if (numtouchedicts > MAX_EDICTS)
1687         {
1688                 // this never happens
1689                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1690                 numtouchedicts = MAX_EDICTS;
1691         }
1692         // iterate the entities found in the sweep box and filter them
1693         originalnumtouchedicts = numtouchedicts;
1694         numtouchedicts = 0;
1695         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1696         {
1697                 touch = touchedicts[touchindex];
1698                 if (PRVM_serveredictfloat(touch, solid) != SOLID_BSP)
1699                         continue;
1700                 model = SV_GetModelFromEdict(touch);
1701                 if (!model || !model->brush.TraceLineOfSight)
1702                         continue;
1703                 // skip obviously transparent entities
1704                 alpha = PRVM_serveredictfloat(touch, alpha);
1705                 if (alpha && alpha < 1)
1706                         continue;
1707                 if ((int)PRVM_serveredictfloat(touch, effects) & EF_ADDITIVE)
1708                         continue;
1709                 touchedicts[numtouchedicts++] = touch;
1710         }
1711
1712         // now that we have a filtered list of "interesting" entities, fire each
1713         // ray against all of them, this gives us an early-out case when something
1714         // is visible (which it often is)
1715
1716         for (traceindex = 0;traceindex < numtraces;traceindex++)
1717         {
1718                 VectorSet(start, lhrandom(eyemins[0], eyemaxs[0]), lhrandom(eyemins[1], eyemaxs[1]), lhrandom(eyemins[2], eyemaxs[2]));
1719                 // check world occlusion
1720                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1721                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, start, endpoints[traceindex], boxmins, boxmaxs))
1722                                 continue;
1723                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1724                 {
1725                         touch = touchedicts[touchindex];
1726                         model = SV_GetModelFromEdict(touch);
1727                         if(model && model->brush.TraceLineOfSight)
1728                         {
1729                                 // get the entity matrix
1730                                 pitchsign = SV_GetPitchSign(prog, touch);
1731                                 Matrix4x4_CreateFromQuakeEntity(&matrix, PRVM_serveredictvector(touch, origin)[0], PRVM_serveredictvector(touch, origin)[1], PRVM_serveredictvector(touch, origin)[2], pitchsign * PRVM_serveredictvector(touch, angles)[0], PRVM_serveredictvector(touch, angles)[1], PRVM_serveredictvector(touch, angles)[2], 1);
1732                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1733                                 // see if the ray hits this entity
1734                                 Matrix4x4_Transform(&imatrix, start, starttransformed);
1735                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1736                                 Matrix4x4_Transform(&imatrix, boxmins, boxminstransformed);
1737                                 Matrix4x4_Transform(&imatrix, boxmaxs, boxmaxstransformed);
1738                                 // transform the AABB to local space
1739                                 VectorMAM(0.5f, boxminstransformed, 0.5f, boxmaxstransformed, localboxcenter);
1740                                 localboxextents[0] = fabs(boxmaxstransformed[0] - localboxcenter[0]);
1741                                 localboxextents[1] = fabs(boxmaxstransformed[1] - localboxcenter[1]);
1742                                 localboxextents[2] = fabs(boxmaxstransformed[2] - localboxcenter[2]);
1743                                 localboxmins[0] = localboxcenter[0] - localboxextents[0];
1744                                 localboxmins[1] = localboxcenter[1] - localboxextents[1];
1745                                 localboxmins[2] = localboxcenter[2] - localboxextents[2];
1746                                 localboxmaxs[0] = localboxcenter[0] + localboxextents[0];
1747                                 localboxmaxs[1] = localboxcenter[1] + localboxextents[1];
1748                                 localboxmaxs[2] = localboxcenter[2] + localboxextents[2];
1749                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed, localboxmins, localboxmaxs))
1750                                 {
1751                                         blocked++;
1752                                         break;
1753                                 }
1754                         }
1755                 }
1756                 // check if the ray was blocked
1757                 if (touchindex < numtouchedicts)
1758                         continue;
1759                 // return if the ray was not blocked
1760                 return true;
1761         }
1762
1763         // no rays survived
1764         return false;
1765 }
1766
1767 static void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1768 {
1769         prvm_prog_t *prog = SVVM_prog;
1770         int isbmodel;
1771         dp_model_t *model;
1772         prvm_edict_t *ed;
1773         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1774                 return;
1775         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1776         sv.writeentitiestoclient_stats_totalentities++;
1777
1778         if (s->customizeentityforclient)
1779         {
1780                 PRVM_serverglobalfloat(time) = sv.time;
1781                 PRVM_serverglobaledict(self) = s->number;
1782                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1783                 prog->ExecuteProgram(prog, s->customizeentityforclient, "customizeentityforclient: NULL function");
1784                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1785                         return;
1786         }
1787
1788         // never reject player
1789         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1790         {
1791                 // check various rejection conditions
1792                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1793                         return;
1794                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1795                         return;
1796                 if (s->effects & EF_NODRAW)
1797                         return;
1798                 // LadyHavoc: only send entities with a model or important effects
1799                 if (!s->modelindex && s->specialvisibilityradius == 0)
1800                         return;
1801
1802                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1803                 // viewmodels don't have visibility checking
1804                 if (s->viewmodelforclient)
1805                 {
1806                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1807                                 return;
1808                 }
1809                 else if (s->tagentity)
1810                 {
1811                         // tag attached entities simply check their parent
1812                         if (!sv.sendentitiesindex[s->tagentity])
1813                                 return;
1814                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1815                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1816                                 return;
1817                 }
1818                 // always send world submodels in newer protocols because they don't
1819                 // generate much traffic (in old protocols they hog bandwidth)
1820                 // but only if sv_cullentities_nevercullbmodels is off
1821                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1822                 {
1823                         // entity has survived every check so far, check if visible
1824                         ed = PRVM_EDICT_NUM(s->number);
1825
1826                         // if not touching a visible leaf
1827                         if (sv_cullentities_pvs.integer && !r_novis.integer && !r_trippy.integer && sv.writeentitiestoclient_pvsbytes)
1828                         {
1829                                 if (ed->priv.server->pvs_numclusters < 0)
1830                                 {
1831                                         // entity too big for clusters list
1832                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1833                                         {
1834                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1835                                                 return;
1836                                         }
1837                                 }
1838                                 else
1839                                 {
1840                                         int i;
1841                                         // check cached clusters list
1842                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1843                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1844                                                         break;
1845                                         if (i == ed->priv.server->pvs_numclusters)
1846                                         {
1847                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1848                                                 return;
1849                                         }
1850                                 }
1851                         }
1852
1853                         // or not seen by random tracelines
1854                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight && !r_trippy.integer)
1855                         {
1856                                 int samples =
1857                                         s->number <= svs.maxclients
1858                                                 ? sv_cullentities_trace_samples_players.integer
1859                                                 :
1860                                         s->specialvisibilityradius
1861                                                 ? sv_cullentities_trace_samples_extra.integer
1862                                                 : sv_cullentities_trace_samples.integer;
1863                                 float enlarge = sv_cullentities_trace_enlarge.value;
1864
1865                                 if(samples > 0)
1866                                 {
1867                                         int eyeindex;
1868                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1869                                                 if(SV_CanSeeBox(samples, sv_cullentities_trace_eyejitter.value, enlarge, sv_cullentities_trace_expand.value, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1870                                                         break;
1871                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1872                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1873                                                         host.realtime + (
1874                                                                 s->number <= svs.maxclients
1875                                                                         ? sv_cullentities_trace_delay_players.value
1876                                                                         : sv_cullentities_trace_delay.value
1877                                                         );
1878                                         else if (host.realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1879                                         {
1880                                                 sv.writeentitiestoclient_stats_culled_trace++;
1881                                                 return;
1882                                         }
1883                                 }
1884                         }
1885                 }
1886         }
1887
1888         // this just marks it for sending
1889         // FIXME: it would be more efficient to send here, but the entity
1890         // compressor isn't that flexible
1891         sv.writeentitiestoclient_stats_visibleentities++;
1892         sv.sententities[s->number] = sv.sententitiesmark;
1893 }
1894
1895 #if MAX_LEVELNETWORKEYES > 0
1896 #define MAX_EYE_RECURSION 1 // increase if recursion gets supported by portals
1897 static void SV_AddCameraEyes(void)
1898 {
1899         prvm_prog_t *prog = SVVM_prog;
1900         int e, i, j, k;
1901         prvm_edict_t *ed;
1902         static int cameras[MAX_LEVELNETWORKEYES];
1903         static vec3_t camera_origins[MAX_LEVELNETWORKEYES];
1904         static int eye_levels[MAX_CLIENTNETWORKEYES];
1905         int n_cameras = 0;
1906         vec3_t mi, ma;
1907
1908         for(i = 0; i < sv.writeentitiestoclient_numeyes; ++i)
1909                 eye_levels[i] = 0;
1910
1911         // check line of sight to portal entities and add them to PVS
1912         for (e = 1, ed = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ed = PRVM_NEXT_EDICT(ed))
1913         {
1914                 if (!ed->priv.server->free)
1915                 {
1916                         if(PRVM_serveredictfunction(ed, camera_transform))
1917                         {
1918                                 PRVM_serverglobalfloat(time) = sv.time;
1919                                 PRVM_serverglobaledict(self) = e;
1920                                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1921                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_serverglobalvector(trace_endpos));
1922                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_G_VECTOR(OFS_PARM0));
1923                                 VectorClear(PRVM_G_VECTOR(OFS_PARM1));
1924                                 prog->ExecuteProgram(prog, PRVM_serveredictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1925                                 if(!VectorCompare(PRVM_serverglobalvector(trace_endpos), sv.writeentitiestoclient_eyes[0]))
1926                                 {
1927                                         VectorCopy(PRVM_serverglobalvector(trace_endpos), camera_origins[n_cameras]);
1928                                         cameras[n_cameras] = e;
1929                                         ++n_cameras;
1930                                         if(n_cameras >= MAX_LEVELNETWORKEYES)
1931                                                 break;
1932                                 }
1933                         }
1934                 }
1935         }
1936
1937         if(!n_cameras)
1938                 return;
1939
1940         // i is loop counter, is reset to 0 when an eye got added
1941         // j is camera index to check
1942         for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras)
1943         {
1944                 if(!cameras[j])
1945                         continue;
1946                 ed = PRVM_EDICT_NUM(cameras[j]);
1947                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, mins), mi);
1948                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, maxs), ma);
1949                 for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k)
1950                 if(eye_levels[k] <= MAX_EYE_RECURSION)
1951                 {
1952                         if(SV_CanSeeBox(sv_cullentities_trace_samples.integer, sv_cullentities_trace_eyejitter.value, sv_cullentities_trace_enlarge.value, sv_cullentities_trace_expand.value, sv.writeentitiestoclient_eyes[k], mi, ma))
1953                         {
1954                                 eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1;
1955                                 VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1956                                 // 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);
1957                                 sv.writeentitiestoclient_numeyes++;
1958                                 cameras[j] = 0;
1959                                 i = 0;
1960                                 break;
1961                         }
1962                 }
1963         }
1964 }
1965 #else
1966 void SV_AddCameraEyes(void)
1967 {
1968 }
1969 #endif
1970
1971 static void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1972 {
1973         prvm_prog_t *prog = SVVM_prog;
1974         qboolean need_empty = false;
1975         int i, numsendstates, numcsqcsendstates;
1976         entity_state_t *s;
1977         prvm_edict_t *camera;
1978         qboolean success;
1979         vec3_t eye;
1980
1981         // if there isn't enough space to accomplish anything, skip it
1982         if (msg->cursize + 25 > maxsize)
1983                 return;
1984
1985         sv.writeentitiestoclient_msg = msg;
1986         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1987
1988         sv.writeentitiestoclient_stats_culled_pvs = 0;
1989         sv.writeentitiestoclient_stats_culled_trace = 0;
1990         sv.writeentitiestoclient_stats_visibleentities = 0;
1991         sv.writeentitiestoclient_stats_totalentities = 0;
1992         sv.writeentitiestoclient_numeyes = 0;
1993
1994         // get eye location
1995         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LadyHavoc: for comparison purposes
1996         camera = PRVM_EDICT_NUM( client->clientcamera );
1997         VectorAdd(PRVM_serveredictvector(camera, origin), PRVM_serveredictvector(clent, view_ofs), eye);
1998         sv.writeentitiestoclient_pvsbytes = 0;
1999         // get the PVS values for the eye location, later FatPVS calls will merge
2000         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
2001                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
2002
2003         // add the eye to a list for SV_CanSeeBox tests
2004         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
2005         sv.writeentitiestoclient_numeyes++;
2006
2007         // calculate predicted eye origin for SV_CanSeeBox tests
2008         if (sv_cullentities_trace_prediction.integer)
2009         {
2010                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
2011                 vec3_t predeye;
2012                 VectorMA(eye, predtime, PRVM_serveredictvector(camera, velocity), predeye);
2013                 if (SV_CanSeeBox(1, 0, 0, 0, eye, predeye, predeye))
2014                 {
2015                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
2016                         sv.writeentitiestoclient_numeyes++;
2017                 }
2018                 //if (!sv.writeentitiestoclient_useprediction)
2019                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
2020         }
2021
2022         SV_AddCameraEyes();
2023
2024         // build PVS from the new eyes
2025         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
2026                 for(i = 1; i < sv.writeentitiestoclient_numeyes; ++i)
2027                         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);
2028
2029         sv.sententitiesmark++;
2030
2031         for (i = 0;i < sv.numsendentities;i++)
2032                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
2033
2034         numsendstates = 0;
2035         numcsqcsendstates = 0;
2036         for (i = 0;i < sv.numsendentities;i++)
2037         {
2038                 s = &sv.sendentities[i];
2039                 if (sv.sententities[s->number] == sv.sententitiesmark)
2040                 {
2041                         if(s->active == ACTIVE_NETWORK)
2042                         {
2043                                 if (s->exteriormodelforclient)
2044                                 {
2045                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
2046                                                 s->flags |= RENDER_EXTERIORMODEL;
2047                                         else
2048                                                 s->flags &= ~RENDER_EXTERIORMODEL;
2049                                 }
2050                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
2051                         }
2052                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
2053                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
2054                         else
2055                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
2056                 }
2057         }
2058
2059         if (sv_cullentities_stats.integer)
2060                 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);
2061
2062         if(client->entitydatabase5)
2063                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
2064         else
2065                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
2066
2067         // force every 16th frame to be not empty (or cl_movement replay takes
2068         // too long)
2069         // BTW, this should normally not kick in any more due to the check
2070         // below, except if the client stopped sending movement frames
2071         if(client->num_skippedentityframes >= 16)
2072                 need_empty = true;
2073
2074         // help cl_movement a bit more
2075         if(client->movesequence != client->lastmovesequence)
2076                 need_empty = true;
2077         client->lastmovesequence = client->movesequence;
2078
2079         if (client->entitydatabase5)
2080                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
2081         else if (client->entitydatabase4)
2082         {
2083                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
2084                 Protocol_WriteStatsReliable();
2085         }
2086         else if (client->entitydatabase)
2087         {
2088                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
2089                 Protocol_WriteStatsReliable();
2090         }
2091         else
2092         {
2093                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
2094                 Protocol_WriteStatsReliable();
2095         }
2096
2097         if(success)
2098                 client->num_skippedentityframes = 0;
2099         else
2100                 ++client->num_skippedentityframes;
2101 }
2102
2103 /*
2104 =============
2105 SV_CleanupEnts
2106
2107 =============
2108 */
2109 static void SV_CleanupEnts (void)
2110 {
2111         prvm_prog_t *prog = SVVM_prog;
2112         int             e;
2113         prvm_edict_t    *ent;
2114
2115         ent = PRVM_NEXT_EDICT(prog->edicts);
2116         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
2117                 PRVM_serveredictfloat(ent, effects) = (int)PRVM_serveredictfloat(ent, effects) & ~EF_MUZZLEFLASH;
2118 }
2119
2120 /*
2121 ==================
2122 SV_WriteClientdataToMessage
2123
2124 ==================
2125 */
2126 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
2127 {
2128         prvm_prog_t *prog = SVVM_prog;
2129         int             bits;
2130         int             i;
2131         prvm_edict_t    *other;
2132         int             items;
2133         vec3_t  punchvector;
2134         int             viewzoom;
2135         const char *s;
2136         float   *statsf = (float *)stats;
2137         float gravity;
2138
2139 //
2140 // send a damage message
2141 //
2142         if (PRVM_serveredictfloat(ent, dmg_take) || PRVM_serveredictfloat(ent, dmg_save))
2143         {
2144                 other = PRVM_PROG_TO_EDICT(PRVM_serveredictedict(ent, dmg_inflictor));
2145                 MSG_WriteByte (msg, svc_damage);
2146                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_save));
2147                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_take));
2148                 for (i=0 ; i<3 ; i++)
2149                         MSG_WriteCoord (msg, PRVM_serveredictvector(other, origin)[i] + 0.5*(PRVM_serveredictvector(other, mins)[i] + PRVM_serveredictvector(other, maxs)[i]), sv.protocol);
2150
2151                 PRVM_serveredictfloat(ent, dmg_take) = 0;
2152                 PRVM_serveredictfloat(ent, dmg_save) = 0;
2153         }
2154
2155 //
2156 // send the current viewpos offset from the view entity
2157 //
2158         SV_SetIdealPitch ();            // how much to look up / down ideally
2159
2160 // a fixangle might get lost in a dropped packet.  Oh well.
2161         if(PRVM_serveredictfloat(ent, fixangle))
2162         {
2163                 // angle fixing was requested by global thinking code...
2164                 // so store the current angles for later use
2165                 VectorCopy(PRVM_serveredictvector(ent, angles), host_client->fixangle_angles);
2166                 host_client->fixangle_angles_set = true;
2167
2168                 // and clear fixangle for the next frame
2169                 PRVM_serveredictfloat(ent, fixangle) = 0;
2170         }
2171
2172         if (host_client->fixangle_angles_set)
2173         {
2174                 MSG_WriteByte (msg, svc_setangle);
2175                 for (i=0 ; i < 3 ; i++)
2176                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
2177                 host_client->fixangle_angles_set = false;
2178         }
2179
2180         // the runes are in serverflags, pack them into the items value, also pack
2181         // in the items2 value for mission pack huds
2182         // (used only in the mission packs, which do not use serverflags)
2183         items = (int)PRVM_serveredictfloat(ent, items) | ((int)PRVM_serveredictfloat(ent, items2) << 23) | ((int)PRVM_serverglobalfloat(serverflags) << 28);
2184
2185         VectorCopy(PRVM_serveredictvector(ent, punchvector), punchvector);
2186
2187         // cache weapon model name and index in client struct to save time
2188         // (this search can be almost 1% of cpu time!)
2189         s = PRVM_GetString(prog, PRVM_serveredictstring(ent, weaponmodel));
2190         if (strcmp(s, client->weaponmodel))
2191         {
2192                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
2193                 client->weaponmodelindex = SV_ModelIndex(s, 1);
2194         }
2195
2196         viewzoom = (int)(PRVM_serveredictfloat(ent, viewzoom) * 255.0f);
2197         if (viewzoom == 0)
2198                 viewzoom = 255;
2199
2200         bits = 0;
2201
2202         if ((int)PRVM_serveredictfloat(ent, flags) & FL_ONGROUND)
2203                 bits |= SU_ONGROUND;
2204         if (PRVM_serveredictfloat(ent, waterlevel) >= 2)
2205                 bits |= SU_INWATER;
2206         if (PRVM_serveredictfloat(ent, idealpitch))
2207                 bits |= SU_IDEALPITCH;
2208
2209         for (i=0 ; i<3 ; i++)
2210         {
2211                 if (PRVM_serveredictvector(ent, punchangle)[i])
2212                         bits |= (SU_PUNCH1<<i);
2213                 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)
2214                         if (punchvector[i])
2215                                 bits |= (SU_PUNCHVEC1<<i);
2216                 if (PRVM_serveredictvector(ent, velocity)[i])
2217                         bits |= (SU_VELOCITY1<<i);
2218         }
2219
2220         gravity = PRVM_serveredictfloat(ent, gravity);if (!gravity) gravity = 1.0f;
2221
2222         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
2223         stats[STAT_VIEWHEIGHT] = (int)PRVM_serveredictvector(ent, view_ofs)[2];
2224         stats[STAT_ITEMS] = items;
2225         stats[STAT_WEAPONFRAME] = (int)PRVM_serveredictfloat(ent, weaponframe);
2226         stats[STAT_ARMOR] = (int)PRVM_serveredictfloat(ent, armorvalue);
2227         stats[STAT_WEAPON] = client->weaponmodelindex;
2228         stats[STAT_HEALTH] = (int)PRVM_serveredictfloat(ent, health);
2229         stats[STAT_AMMO] = (int)PRVM_serveredictfloat(ent, currentammo);
2230         stats[STAT_SHELLS] = (int)PRVM_serveredictfloat(ent, ammo_shells);
2231         stats[STAT_NAILS] = (int)PRVM_serveredictfloat(ent, ammo_nails);
2232         stats[STAT_ROCKETS] = (int)PRVM_serveredictfloat(ent, ammo_rockets);
2233         stats[STAT_CELLS] = (int)PRVM_serveredictfloat(ent, ammo_cells);
2234         stats[STAT_ACTIVEWEAPON] = (int)PRVM_serveredictfloat(ent, weapon);
2235         stats[STAT_VIEWZOOM] = viewzoom;
2236         stats[STAT_TOTALSECRETS] = (int)PRVM_serverglobalfloat(total_secrets);
2237         stats[STAT_TOTALMONSTERS] = (int)PRVM_serverglobalfloat(total_monsters);
2238         // the QC bumps these itself by sending svc_'s, so we have to keep them
2239         // zero or they'll be corrected by the engine
2240         //stats[STAT_SECRETS] = PRVM_serverglobalfloat(found_secrets);
2241         //stats[STAT_MONSTERS] = PRVM_serverglobalfloat(killed_monsters);
2242
2243         if(!sv_gameplayfix_customstats.integer)
2244         {
2245                 statsf[STAT_MOVEVARS_AIRACCEL_QW_STRETCHFACTOR] = sv_airaccel_qw_stretchfactor.value;
2246                 statsf[STAT_MOVEVARS_AIRCONTROL_PENALTY] = sv_aircontrol_penalty.value;
2247                 statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW] = sv_airspeedlimit_nonqw.value;
2248                 statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value;
2249                 statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value;
2250                 // movement settings for prediction
2251                 // note: these are not sent in protocols with lower MAX_CL_STATS limits
2252                 stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
2253                         | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
2254                         | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0)
2255                         | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0)
2256                 ;
2257                 statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
2258                 statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
2259                 statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
2260                 statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
2261                 statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
2262                 statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
2263                 statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
2264                 statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
2265                 statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
2266                 statsf[STAT_FRAGLIMIT] = fraglimit.value;
2267                 statsf[STAT_TIMELIMIT] = timelimit.value;
2268                 statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
2269                 statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
2270                 statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
2271                 statsf[STAT_MOVEVARS_TIMESCALE] = host_timescale.value;
2272                 statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
2273                 statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
2274                 statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
2275                 statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
2276                 statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
2277                 statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
2278                 statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
2279                 statsf[STAT_MOVEVARS_ENTGRAVITY] = gravity;
2280                 statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
2281                 statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
2282                 statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
2283                 statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
2284                 statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
2285                 statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
2286         }
2287
2288         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)
2289         {
2290                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
2291                 bits |= SU_ITEMS;
2292                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
2293                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
2294                 bits |= SU_WEAPON;
2295                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
2296                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2297                         if (viewzoom != 255)
2298                                 bits |= SU_VIEWZOOM;
2299         }
2300
2301         if (bits >= 65536)
2302                 bits |= SU_EXTEND1;
2303         if (bits >= 16777216)
2304                 bits |= SU_EXTEND2;
2305
2306         // send the data
2307         MSG_WriteByte (msg, svc_clientdata);
2308         MSG_WriteShort (msg, bits);
2309         if (bits & SU_EXTEND1)
2310                 MSG_WriteByte(msg, bits >> 16);
2311         if (bits & SU_EXTEND2)
2312                 MSG_WriteByte(msg, bits >> 24);
2313
2314         if (bits & SU_VIEWHEIGHT)
2315                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
2316
2317         if (bits & SU_IDEALPITCH)
2318                 MSG_WriteChar (msg, (int)PRVM_serveredictfloat(ent, idealpitch));
2319
2320         for (i=0 ; i<3 ; i++)
2321         {
2322                 if (bits & (SU_PUNCH1<<i))
2323                 {
2324                         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)
2325                                 MSG_WriteChar(msg, (int)PRVM_serveredictvector(ent, punchangle)[i]);
2326                         else
2327                                 MSG_WriteAngle16i(msg, PRVM_serveredictvector(ent, punchangle)[i]);
2328                 }
2329                 if (bits & (SU_PUNCHVEC1<<i))
2330                 {
2331                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2332                                 MSG_WriteCoord16i(msg, punchvector[i]);
2333                         else
2334                                 MSG_WriteCoord32f(msg, punchvector[i]);
2335                 }
2336                 if (bits & (SU_VELOCITY1<<i))
2337                 {
2338                         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)
2339                                 MSG_WriteChar(msg, (int)(PRVM_serveredictvector(ent, velocity)[i] * (1.0f / 16.0f)));
2340                         else
2341                                 MSG_WriteCoord32f(msg, PRVM_serveredictvector(ent, velocity)[i]);
2342                 }
2343         }
2344
2345         if (bits & SU_ITEMS)
2346                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
2347
2348         if (sv.protocol == PROTOCOL_DARKPLACES5)
2349         {
2350                 if (bits & SU_WEAPONFRAME)
2351                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
2352                 if (bits & SU_ARMOR)
2353                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
2354                 if (bits & SU_WEAPON)
2355                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
2356                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2357                 MSG_WriteShort (msg, stats[STAT_AMMO]);
2358                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
2359                 MSG_WriteShort (msg, stats[STAT_NAILS]);
2360                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
2361                 MSG_WriteShort (msg, stats[STAT_CELLS]);
2362                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
2363                 if (bits & SU_VIEWZOOM)
2364                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2365         }
2366         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)
2367         {
2368                 if (bits & SU_WEAPONFRAME)
2369                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
2370                 if (bits & SU_ARMOR)
2371                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
2372                 if (bits & SU_WEAPON)
2373                 {
2374                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2375                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
2376                         else
2377                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
2378                 }
2379                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2380                 MSG_WriteByte (msg, stats[STAT_AMMO]);
2381                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
2382                 MSG_WriteByte (msg, stats[STAT_NAILS]);
2383                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
2384                 MSG_WriteByte (msg, stats[STAT_CELLS]);
2385                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_QUOTH || IS_OLDNEXUIZ_DERIVED(gamemode))
2386                 {
2387                         for (i = 0;i < 32;i++)
2388                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
2389                                         break;
2390                         MSG_WriteByte (msg, i);
2391                 }
2392                 else
2393                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
2394                 if (bits & SU_VIEWZOOM)
2395                 {
2396                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2397                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
2398                         else
2399                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2400                 }
2401         }
2402 }
2403
2404 void SV_FlushBroadcastMessages(void)
2405 {
2406         int i;
2407         client_t *client;
2408         if (sv.datagram.cursize <= 0)
2409                 return;
2410         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2411         {
2412                 if (!client->begun || !client->netconnection || client->unreliablemsg.cursize + sv.datagram.cursize > client->unreliablemsg.maxsize || client->unreliablemsg_splitpoints >= (int)(sizeof(client->unreliablemsg_splitpoint)/sizeof(client->unreliablemsg_splitpoint[0])))
2413                         continue;
2414                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2415                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2416         }
2417         SZ_Clear(&sv.datagram);
2418 }
2419
2420 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2421 {
2422         // scan the splitpoints to find out how many we can fit in
2423         int numsegments, j, split;
2424         if (!client->unreliablemsg_splitpoints)
2425                 return;
2426         // always accept the first one if it's within 1024 bytes, this ensures
2427         // that very big datagrams which are over the rate limit still get
2428         // through, just to keep it working
2429         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2430                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2431                         break;
2432         // the first segment gets an exemption from the rate limiting, otherwise
2433         // it could get dropped consistently due to a low rate limit
2434         if (numsegments == 1)
2435                 maxsize = maxsize2;
2436         // some will fit, so add the ones that will fit
2437         split = client->unreliablemsg_splitpoint[numsegments-1];
2438         // note this discards ones that were accepted by the segments scan but
2439         // can not fit, such as a really huge first one that will never ever
2440         // fit in a packet...
2441         if (msg->cursize + split <= maxsize)
2442                 SZ_Write(msg, client->unreliablemsg.data, split);
2443         // remove the part we sent, keeping any remaining data
2444         client->unreliablemsg.cursize -= split;
2445         if (client->unreliablemsg.cursize > 0)
2446                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2447         // adjust remaining splitpoints
2448         client->unreliablemsg_splitpoints -= numsegments;
2449         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2450                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2451 }
2452
2453 /*
2454 =======================
2455 SV_SendClientDatagram
2456 =======================
2457 */
2458 static void SV_SendClientDatagram (client_t *client)
2459 {
2460         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2461         sizebuf_t msg;
2462         int stats[MAX_CL_STATS];
2463         static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2464         double timedelta;
2465
2466         // obey rate limit by limiting packet frequency if the packet size
2467         // limiting fails
2468         // (usually this is caused by reliable messages)
2469         if (!NetConn_CanSend(client->netconnection))
2470                 return;
2471
2472         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2473         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2474         if (sv_maxrate.integer != maxrate)
2475                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2476
2477         // clientrate determines the 'cleartime' of a packet
2478         // (how long to wait before sending another, based on this packet's size)
2479         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2480
2481         switch (sv.protocol)
2482         {
2483         case PROTOCOL_QUAKE:
2484         case PROTOCOL_QUAKEDP:
2485         case PROTOCOL_NEHAHRAMOVIE:
2486         case PROTOCOL_NEHAHRABJP:
2487         case PROTOCOL_NEHAHRABJP2:
2488         case PROTOCOL_NEHAHRABJP3:
2489         case PROTOCOL_QUAKEWORLD:
2490                 // no packet size limit support on Quake protocols because it just
2491                 // causes missing entities/effects
2492                 // packets are simply sent less often to obey the rate limit
2493                 maxsize = 1024;
2494                 maxsize2 = 1024;
2495                 break;
2496         case PROTOCOL_DARKPLACES1:
2497         case PROTOCOL_DARKPLACES2:
2498         case PROTOCOL_DARKPLACES3:
2499         case PROTOCOL_DARKPLACES4:
2500                 // no packet size limit support on DP1-4 protocols because they kick
2501                 // the client off if they overflow, and miss effects
2502                 // packets are simply sent less often to obey the rate limit
2503                 maxsize = sizeof(sv_sendclientdatagram_buf);
2504                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2505                 break;
2506         default:
2507                 // DP5 and later protocols support packet size limiting which is a
2508                 // better method than limiting packet frequency as QW does
2509                 //
2510                 // at very low rates (or very small sys_ticrate) the packet size is
2511                 // not reduced below 128, but packets may be sent less often
2512
2513                 // how long are bursts?
2514                 timedelta = host_client->rate_burstsize / (double)client->rate;
2515
2516                 // how much of the burst do we keep reserved?
2517                 timedelta *= 1 - net_burstreserve.value;
2518
2519                 // only try to use excess time
2520                 timedelta = bound(0, host.realtime - host_client->netconnection->cleartime, timedelta);
2521
2522                 // but we know next packet will be in sys_ticrate, so we can use up THAT bandwidth
2523                 timedelta += sys_ticrate.value;
2524
2525                 // note: packet overhead (not counted in maxsize) is 28 bytes
2526                 maxsize = (int)(clientrate * timedelta) - 28;
2527
2528                 // put it in sound bounds
2529                 maxsize = bound(128, maxsize, 1400);
2530                 maxsize2 = 1400;
2531
2532                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2533                 // mods that use csqc (they are likely to use less bandwidth anyway)
2534                 if((net_usesizelimit.integer == 1) ? (sv.csqc_progsize > 0) : (net_usesizelimit.integer < 1))
2535                         maxsize = maxsize2;
2536
2537                 break;
2538         }
2539
2540         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !host_limitlocal.integer)
2541         {
2542                 // for good singleplayer, send huge packets
2543                 maxsize = sizeof(sv_sendclientdatagram_buf);
2544                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2545                 // never limit frequency in singleplayer
2546                 clientrate = 1000000000;
2547         }
2548
2549         // while downloading, limit entity updates to half the packet
2550         // (any leftover space will be used for downloading)
2551         if (host_client->download_file)
2552                 maxsize /= 2;
2553
2554         msg.data = sv_sendclientdatagram_buf;
2555         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2556         msg.cursize = 0;
2557         msg.allowoverflow = false;
2558
2559         if (host_client->begun)
2560         {
2561                 // the player is in the game
2562                 MSG_WriteByte (&msg, svc_time);
2563                 MSG_WriteFloat (&msg, sv.time);
2564
2565                 // add the client specific data to the datagram
2566                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2567                 // now update the stats[] array using any registered custom fields
2568                 VM_SV_UpdateCustomStats(client, client->edict, &msg, stats);
2569                 // set host_client->statsdeltabits
2570                 Protocol_UpdateClientStats (stats);
2571
2572                 // add as many queued unreliable messages (effects) as we can fit
2573                 // limit effects to half of the remaining space
2574                 if (client->unreliablemsg.cursize)
2575                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2576
2577                 // now write as many entities as we can fit, and also sends stats
2578                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2579         }
2580         else if (host.realtime > client->keepalivetime)
2581         {
2582                 // the player isn't totally in the game yet
2583                 // send small keepalive messages if too much time has passed
2584                 // (may also be sending downloads)
2585                 client->keepalivetime = host.realtime + 5;
2586                 MSG_WriteChar (&msg, svc_nop);
2587         }
2588
2589         // if a download is active, see if there is room to fit some download data
2590         // in this packet
2591         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2592         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2593         {
2594                 fs_offset_t downloadstart;
2595                 unsigned char data[1400];
2596                 downloadstart = FS_Tell(host_client->download_file);
2597                 downloadsize = min(downloadsize, (int)sizeof(data));
2598                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2599                 // note this sends empty messages if at the end of the file, which is
2600                 // necessary to keep the packet loss logic working
2601                 // (the last blocks may be lost and need to be re-sent, and that will
2602                 //  only occur if the client acks the empty end messages, revealing
2603                 //  a gap in the download progress, causing the last blocks to be
2604                 //  sent again)
2605                 MSG_WriteChar (&msg, svc_downloaddata);
2606                 MSG_WriteLong (&msg, downloadstart);
2607                 MSG_WriteShort (&msg, downloadsize);
2608                 if (downloadsize > 0)
2609                         SZ_Write (&msg, data, downloadsize);
2610         }
2611
2612         // reliable only if none is in progress
2613         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2614                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2615         // unreliable
2616         SV_WriteDemoMessage(client, &msg, false);
2617
2618 // send the datagram
2619         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->rate_burstsize, client->sendsignon == 2);
2620         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2621                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2622 }
2623
2624 /*
2625 =======================
2626 SV_UpdateToReliableMessages
2627 =======================
2628 */
2629 static void SV_UpdateToReliableMessages (void)
2630 {
2631         prvm_prog_t *prog = SVVM_prog;
2632         int i, j;
2633         client_t *client;
2634         const char *name;
2635         const char *model;
2636         const char *skin;
2637         int clientcamera;
2638
2639 // check for changes to be sent over the reliable streams
2640         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2641         {
2642                 // update the host_client fields we care about according to the entity fields
2643                 host_client->edict = PRVM_EDICT_NUM(i+1);
2644
2645                 // DP_SV_CLIENTNAME
2646                 name = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, netname));
2647                 if (name == NULL)
2648                         name = "";
2649                 // always point the string back at host_client->name to keep it safe
2650                 //strlcpy (host_client->name, name, sizeof (host_client->name));
2651                 if (name != host_client->name) // prevent buffer overlap SIGABRT on Mac OSX
2652                         strlcpy (host_client->name, name, sizeof (host_client->name));
2653                 PRVM_serveredictstring(host_client->edict, netname) = PRVM_SetEngineString(prog, host_client->name);
2654                 if (strcmp(host_client->old_name, host_client->name))
2655                 {
2656                         if (host_client->begun)
2657                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2658                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2659                         // send notification to all clients
2660                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2661                         MSG_WriteByte (&sv.reliable_datagram, i);
2662                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2663                         SV_WriteNetnameIntoDemo(host_client);
2664                 }
2665
2666                 // DP_SV_CLIENTCOLORS
2667                 host_client->colors = (int)PRVM_serveredictfloat(host_client->edict, clientcolors);
2668                 if (host_client->old_colors != host_client->colors)
2669                 {
2670                         host_client->old_colors = host_client->colors;
2671                         // send notification to all clients
2672                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2673                         MSG_WriteByte (&sv.reliable_datagram, i);
2674                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2675                 }
2676
2677                 // NEXUIZ_PLAYERMODEL
2678                 model = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, playermodel));
2679                 if (model == NULL)
2680                         model = "";
2681                 // always point the string back at host_client->name to keep it safe
2682                 //strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2683                 if (model != host_client->playermodel) // prevent buffer overlap SIGABRT on Mac OSX
2684                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2685                 PRVM_serveredictstring(host_client->edict, playermodel) = PRVM_SetEngineString(prog, host_client->playermodel);
2686
2687                 // NEXUIZ_PLAYERSKIN
2688                 skin = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, playerskin));
2689                 if (skin == NULL)
2690                         skin = "";
2691                 // always point the string back at host_client->name to keep it safe
2692                 //strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2693                 if (skin != host_client->playerskin) // prevent buffer overlap SIGABRT on Mac OSX
2694                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2695                 PRVM_serveredictstring(host_client->edict, playerskin) = PRVM_SetEngineString(prog, host_client->playerskin);
2696
2697                 // TODO: add an extension name for this [1/17/2008 Black]
2698                 clientcamera = PRVM_serveredictedict(host_client->edict, clientcamera);
2699                 if (clientcamera > 0)
2700                 {
2701                         int oldclientcamera = host_client->clientcamera;
2702                         if (clientcamera >= prog->max_edicts || PRVM_EDICT_NUM(clientcamera)->priv.required->free)
2703                                 clientcamera = PRVM_NUM_FOR_EDICT(host_client->edict);
2704                         host_client->clientcamera = clientcamera;
2705
2706                         if (oldclientcamera != host_client->clientcamera && host_client->netconnection)
2707                         {
2708                                 MSG_WriteByte(&host_client->netconnection->message, svc_setview);
2709                                 MSG_WriteShort(&host_client->netconnection->message, host_client->clientcamera);
2710                         }
2711                 }
2712
2713                 // frags
2714                 host_client->frags = (int)PRVM_serveredictfloat(host_client->edict, frags);
2715                 if(IS_OLDNEXUIZ_DERIVED(gamemode))
2716                         if(!host_client->begun && host_client->netconnection)
2717                                 host_client->frags = -666;
2718                 if (host_client->old_frags != host_client->frags)
2719                 {
2720                         host_client->old_frags = host_client->frags;
2721                         // send notification to all clients
2722                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2723                         MSG_WriteByte (&sv.reliable_datagram, i);
2724                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2725                 }
2726         }
2727
2728         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2729                 if (client->netconnection && (client->begun || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2730                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2731
2732         SZ_Clear (&sv.reliable_datagram);
2733 }
2734
2735
2736 /*
2737 =======================
2738 SV_SendClientMessages
2739 =======================
2740 */
2741 void SV_SendClientMessages(void)
2742 {
2743         int i, prepared = false;
2744
2745         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2746                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2747
2748         SV_FlushBroadcastMessages();
2749
2750 // update frags, names, etc
2751         SV_UpdateToReliableMessages();
2752
2753 // build individual updates
2754         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2755         {
2756                 if (!host_client->active)
2757                         continue;
2758                 if (!host_client->netconnection)
2759                         continue;
2760
2761                 if (host_client->netconnection->message.overflowed)
2762                 {
2763                         SV_DropClient (true);   // if the message couldn't send, kick off
2764                         continue;
2765                 }
2766
2767                 if (!prepared)
2768                 {
2769                         prepared = true;
2770                         // only prepare entities once per frame
2771                         SV_PrepareEntitiesForSending();
2772                 }
2773                 SV_SendClientDatagram(host_client);
2774         }
2775
2776 // clear muzzle flashes
2777         SV_CleanupEnts();
2778 }
2779
2780 static void SV_StartDownload_f(cmd_state_t *cmd)
2781 {
2782         if (host_client->download_file)
2783                 host_client->download_started = true;
2784 }
2785
2786 /*
2787  * Compression extension negotiation:
2788  *
2789  * Server to client:
2790  *   cl_serverextension_download 2
2791  *
2792  * Client to server:
2793  *   download <filename> <list of zero or more suppported compressions in order of preference>
2794  * e.g.
2795  *   download maps/map1.bsp lzo deflate huffman
2796  *
2797  * Server to client:
2798  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2799  * e.g.
2800  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2801  *
2802  * The server may choose not to compress the file by sending no compression name, like:
2803  *   cl_downloadbegin 345678 maps/map1.bsp
2804  *
2805  * NOTE: the "download" command may only specify compression algorithms if
2806  *       cl_serverextension_download is 2!
2807  *       If cl_serverextension_download has a different value, the client must
2808  *       assume this extension is not supported!
2809  */
2810
2811 static void Download_CheckExtensions(cmd_state_t *cmd)
2812 {
2813         int i;
2814         int argc = Cmd_Argc(cmd);
2815
2816         // first reset them all
2817         host_client->download_deflate = false;
2818
2819         for(i = 2; i < argc; ++i)
2820         {
2821                 if(!strcmp(Cmd_Argv(cmd, i), "deflate"))
2822                 {
2823                         host_client->download_deflate = true;
2824                         break;
2825                 }
2826         }
2827 }
2828
2829 static void SV_Download_f(cmd_state_t *cmd)
2830 {
2831         const char *whichpack, *whichpack2, *extension;
2832         qboolean is_csqc; // so we need to check only once
2833
2834         if (Cmd_Argc(cmd) < 2)
2835         {
2836                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2837                 SV_ClientPrintf("       supported extensions: deflate\n");
2838                 return;
2839         }
2840
2841         if (FS_CheckNastyPath(Cmd_Argv(cmd, 1), false))
2842         {
2843                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(cmd, 1));
2844                 return;
2845         }
2846
2847         if (host_client->download_file)
2848         {
2849                 // at this point we'll assume the previous download should be aborted
2850                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2851                 SV_ClientCommands("\nstopdownload\n");
2852
2853                 // close the file and reset variables
2854                 FS_Close(host_client->download_file);
2855                 host_client->download_file = NULL;
2856                 host_client->download_name[0] = 0;
2857                 host_client->download_expectedposition = 0;
2858                 host_client->download_started = false;
2859         }
2860
2861         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(cmd, 1), sv.csqc_progname) == 0);
2862
2863         if (!sv_allowdownloads.integer && !is_csqc)
2864         {
2865                 SV_ClientPrintf("Downloads are disabled on this server\n");
2866                 SV_ClientCommands("\nstopdownload\n");
2867                 return;
2868         }
2869
2870         Download_CheckExtensions(cmd);
2871
2872         strlcpy(host_client->download_name, Cmd_Argv(cmd, 1), sizeof(host_client->download_name));
2873         extension = FS_FileExtension(host_client->download_name);
2874
2875         // host_client is asking to download a specified file
2876         if (developer_extra.integer)
2877                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2878
2879         if(is_csqc)
2880         {
2881                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2882                 extensions[0] = '\0';
2883
2884                 if(host_client->download_deflate)
2885                         strlcat(extensions, " deflate", sizeof(extensions));
2886
2887                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2888
2889                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2890                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2891                 else
2892                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2893
2894                 // no, no space is needed between %s and %s :P
2895                 SV_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2896
2897                 host_client->download_expectedposition = 0;
2898                 host_client->download_started = false;
2899                 host_client->sendsignon = true; // make sure this message is sent
2900                 return;
2901         }
2902
2903         if (!FS_FileExists(host_client->download_name))
2904         {
2905                 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);
2906                 SV_ClientCommands("\nstopdownload\n");
2907                 return;
2908         }
2909
2910         // check if the user is trying to download part of registered Quake(r)
2911         whichpack = FS_WhichPack(host_client->download_name);
2912         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2913         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2914         {
2915                 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);
2916                 SV_ClientCommands("\nstopdownload\n");
2917                 return;
2918         }
2919
2920         // check if the server has forbidden archive downloads entirely
2921         if (!sv_allowdownloads_inarchive.integer)
2922         {
2923                 whichpack = FS_WhichPack(host_client->download_name);
2924                 if (whichpack)
2925                 {
2926                         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);
2927                         SV_ClientCommands("\nstopdownload\n");
2928                         return;
2929                 }
2930         }
2931
2932         if (!sv_allowdownloads_config.integer)
2933         {
2934                 if (!strcasecmp(extension, "cfg"))
2935                 {
2936                         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);
2937                         SV_ClientCommands("\nstopdownload\n");
2938                         return;
2939                 }
2940         }
2941
2942         if (!sv_allowdownloads_dlcache.integer)
2943         {
2944                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2945                 {
2946                         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);
2947                         SV_ClientCommands("\nstopdownload\n");
2948                         return;
2949                 }
2950         }
2951
2952         if (!sv_allowdownloads_archive.integer)
2953         {
2954                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2955                 {
2956                         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);
2957                         SV_ClientCommands("\nstopdownload\n");
2958                         return;
2959                 }
2960         }
2961
2962         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2963         if (!host_client->download_file)
2964         {
2965                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2966                 SV_ClientCommands("\nstopdownload\n");
2967                 return;
2968         }
2969
2970         if (FS_FileSize(host_client->download_file) > 1<<30)
2971         {
2972                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2973                 SV_ClientCommands("\nstopdownload\n");
2974                 FS_Close(host_client->download_file);
2975                 host_client->download_file = NULL;
2976                 return;
2977         }
2978
2979         if (FS_FileSize(host_client->download_file) < 0)
2980         {
2981                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2982                 SV_ClientCommands("\nstopdownload\n");
2983                 FS_Close(host_client->download_file);
2984                 host_client->download_file = NULL;
2985                 return;
2986         }
2987
2988         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2989
2990         /*
2991          * we can only do this if we would actually deflate on the fly
2992          * which we do not (yet)!
2993         {
2994                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2995                 extensions[0] = '\0';
2996
2997                 if(host_client->download_deflate)
2998                         strlcat(extensions, " deflate", sizeof(extensions));
2999
3000                 // no, no space is needed between %s and %s :P
3001                 SV_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
3002         }
3003         */
3004         SV_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
3005
3006         host_client->download_expectedposition = 0;
3007         host_client->download_started = false;
3008         host_client->sendsignon = true; // make sure this message is sent
3009
3010         // the rest of the download process is handled in SV_SendClientDatagram
3011         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
3012         //
3013         // no svc_downloaddata messages will be sent until sv_startdownload is
3014         // sent by the client
3015 }
3016
3017 /*
3018 ==============================================================================
3019
3020 SERVER SPAWNING
3021
3022 ==============================================================================
3023 */
3024
3025 /*
3026 ================
3027 SV_ModelIndex
3028
3029 ================
3030 */
3031 int SV_ModelIndex(const char *s, int precachemode)
3032 {
3033         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);
3034         char filename[MAX_QPATH];
3035         if (!s || !*s)
3036                 return 0;
3037         // testing
3038         //if (precachemode == 2)
3039         //      return 0;
3040         strlcpy(filename, s, sizeof(filename));
3041         for (i = 2;i < limit;i++)
3042         {
3043                 if (!sv.model_precache[i][0])
3044                 {
3045                         if (precachemode)
3046                         {
3047                                 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))
3048                                 {
3049                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
3050                                         return 0;
3051                                 }
3052                                 if (precachemode == 1)
3053                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
3054                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
3055                                 if (sv.state == ss_loading)
3056                                 {
3057                                         // running from SV_SpawnServer which is launched from the client console command interpreter
3058                                         sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
3059                                 }
3060                                 else
3061                                 {
3062                                         if (svs.threaded)
3063                                         {
3064                                                 // this is running on the server thread, we can't load a model here (it would crash on renderer calls), so only look it up, the svc_precache will cause it to be loaded when it reaches the client
3065                                                 sv.models[i] = Mod_FindName (sv.model_precache[i], s[0] == '*' ? sv.worldname : NULL);
3066                                         }
3067                                         else
3068                                         {
3069                                                 // running single threaded, so we can load the model here
3070                                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
3071                                         }
3072                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
3073                                         MSG_WriteShort(&sv.reliable_datagram, i);
3074                                         MSG_WriteString(&sv.reliable_datagram, filename);
3075                                 }
3076                                 return i;
3077                         }
3078                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
3079                         return 0;
3080                 }
3081                 if (!strcmp(sv.model_precache[i], filename))
3082                         return i;
3083         }
3084         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
3085         return 0;
3086 }
3087
3088 /*
3089 ================
3090 SV_SoundIndex
3091
3092 ================
3093 */
3094 int SV_SoundIndex(const char *s, int precachemode)
3095 {
3096         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);
3097         char filename[MAX_QPATH];
3098         if (!s || !*s)
3099                 return 0;
3100         // testing
3101         //if (precachemode == 2)
3102         //      return 0;
3103         strlcpy(filename, s, sizeof(filename));
3104         for (i = 1;i < limit;i++)
3105         {
3106                 if (!sv.sound_precache[i][0])
3107                 {
3108                         if (precachemode)
3109                         {
3110                                 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))
3111                                 {
3112                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
3113                                         return 0;
3114                                 }
3115                                 if (precachemode == 1)
3116                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
3117                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
3118                                 if (sv.state != ss_loading)
3119                                 {
3120                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
3121                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
3122                                         MSG_WriteString(&sv.reliable_datagram, filename);
3123                                 }
3124                                 return i;
3125                         }
3126                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
3127                         return 0;
3128                 }
3129                 if (!strcmp(sv.sound_precache[i], filename))
3130                         return i;
3131         }
3132         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
3133         return 0;
3134 }
3135
3136 /*
3137 ================
3138 SV_ParticleEffectIndex
3139
3140 ================
3141 */
3142 int SV_ParticleEffectIndex(const char *name)
3143 {
3144         int i, argc, linenumber, effectnameindex;
3145         int filepass;
3146         fs_offset_t filesize;
3147         unsigned char *filedata;
3148         const char *text;
3149         const char *textstart;
3150         //const char *textend;
3151         char argv[16][1024];
3152         char filename[MAX_QPATH];
3153         if (!sv.particleeffectnamesloaded)
3154         {
3155                 sv.particleeffectnamesloaded = true;
3156                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
3157                 for (i = 0;i < EFFECT_TOTAL;i++)
3158                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
3159                 for (filepass = 0;;filepass++)
3160                 {
3161                         if (filepass == 0)
3162                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
3163                         else if (filepass == 1)
3164                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
3165                         else
3166                                 break;
3167                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
3168                         if (!filedata)
3169                                 continue;
3170                         textstart = (const char *)filedata;
3171                         //textend = (const char *)filedata + filesize;
3172                         text = textstart;
3173                         for (linenumber = 1;;linenumber++)
3174                         {
3175                                 argc = 0;
3176                                 for (;;)
3177                                 {
3178                                         if (!COM_ParseToken_Simple(&text, true, false, true) || !strcmp(com_token, "\n"))
3179                                                 break;
3180                                         if (argc < 16)
3181                                         {
3182                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
3183                                                 argc++;
3184                                         }
3185                                 }
3186                                 if (com_token[0] == 0)
3187                                         break; // if the loop exited and it's not a \n, it's EOF
3188                                 if (argc < 1)
3189                                         continue;
3190                                 if (!strcmp(argv[0], "effect"))
3191                                 {
3192                                         if (argc == 2)
3193                                         {
3194                                                 for (effectnameindex = 1;effectnameindex < MAX_PARTICLEEFFECTNAME;effectnameindex++)
3195                                                 {
3196                                                         if (sv.particleeffectname[effectnameindex][0])
3197                                                         {
3198                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
3199                                                                         break;
3200                                                         }
3201                                                         else
3202                                                         {
3203                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
3204                                                                 break;
3205                                                         }
3206                                                 }
3207                                                 // if we run out of names, abort
3208                                                 if (effectnameindex == MAX_PARTICLEEFFECTNAME)
3209                                                 {
3210                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
3211                                                         break;
3212                                                 }
3213                                         }
3214                                 }
3215                         }
3216                         Mem_Free(filedata);
3217                 }
3218         }
3219         // search for the name
3220         for (effectnameindex = 1;effectnameindex < MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
3221                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
3222                         return effectnameindex;
3223         // return 0 if we couldn't find it
3224         return 0;
3225 }
3226
3227 dp_model_t *SV_GetModelByIndex(int modelindex)
3228 {
3229         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3230 }
3231
3232 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
3233 {
3234         prvm_prog_t *prog = SVVM_prog;
3235         int modelindex;
3236         if (!ed || ed->priv.server->free)
3237                 return NULL;
3238         modelindex = (int)PRVM_serveredictfloat(ed, modelindex);
3239         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3240 }
3241
3242 /*
3243 ================
3244 SV_CreateBaseline
3245
3246 ================
3247 */
3248 static void SV_CreateBaseline (void)
3249 {
3250         prvm_prog_t *prog = SVVM_prog;
3251         int i, entnum, large;
3252         prvm_edict_t *svent;
3253
3254         // LadyHavoc: clear *all* baselines (not just active ones)
3255         for (entnum = 0;entnum < prog->max_edicts;entnum++)
3256         {
3257                 // get the current server version
3258                 svent = PRVM_EDICT_NUM(entnum);
3259
3260                 // LadyHavoc: always clear state values, whether the entity is in use or not
3261                 svent->priv.server->baseline = defaultstate;
3262
3263                 if (svent->priv.server->free)
3264                         continue;
3265                 if (entnum > svs.maxclients && !PRVM_serveredictfloat(svent, modelindex))
3266                         continue;
3267
3268                 // create entity baseline
3269                 VectorCopy (PRVM_serveredictvector(svent, origin), svent->priv.server->baseline.origin);
3270                 VectorCopy (PRVM_serveredictvector(svent, angles), svent->priv.server->baseline.angles);
3271                 svent->priv.server->baseline.frame = (int)PRVM_serveredictfloat(svent, frame);
3272                 svent->priv.server->baseline.skin = (int)PRVM_serveredictfloat(svent, skin);
3273                 if (entnum > 0 && entnum <= svs.maxclients)
3274                 {
3275                         svent->priv.server->baseline.colormap = entnum;
3276                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
3277                 }
3278                 else
3279                 {
3280                         svent->priv.server->baseline.colormap = 0;
3281                         svent->priv.server->baseline.modelindex = (int)PRVM_serveredictfloat(svent, modelindex);
3282                 }
3283
3284                 large = false;
3285                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
3286                 {
3287                         large = true;
3288                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3289                                 large = false;
3290                 }
3291
3292                 // add to the message
3293                 if (large)
3294                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
3295                 else
3296                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
3297                 MSG_WriteShort (&sv.signon, entnum);
3298
3299                 if (large)
3300                 {
3301                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3302                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
3303                 }
3304                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3305                 {
3306                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3307                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3308                 }
3309                 else
3310                 {
3311                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
3312                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3313                 }
3314                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
3315                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
3316                 for (i=0 ; i<3 ; i++)
3317                 {
3318                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
3319                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
3320                 }
3321         }
3322 }
3323
3324 /*
3325 ================
3326 SV_Prepare_CSQC
3327
3328 Load csprogs.dat and comperss it so it doesn't need to be
3329 reloaded on request.
3330 ================
3331 */
3332 static void SV_Prepare_CSQC(void)
3333 {
3334         fs_offset_t progsize;
3335
3336         if(svs.csqc_progdata)
3337         {
3338                 Con_DPrintf("Unloading old CSQC data.\n");
3339                 Mem_Free(svs.csqc_progdata);
3340                 if(svs.csqc_progdata_deflated)
3341                         Mem_Free(svs.csqc_progdata_deflated);
3342         }
3343
3344         svs.csqc_progdata = NULL;
3345         svs.csqc_progdata_deflated = NULL;
3346
3347         sv.csqc_progname[0] = 0;
3348         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
3349
3350         if(progsize > 0)
3351         {
3352                 size_t deflated_size;
3353
3354                 sv.csqc_progsize = (int)progsize;
3355                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
3356                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
3357                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
3358
3359                 Con_DPrint("Compressing csprogs.dat\n");
3360                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
3361                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
3362                 svs.csqc_progsize_deflated = (int)deflated_size;
3363                 if(svs.csqc_progdata_deflated)
3364                 {
3365                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
3366                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
3367                 }
3368                 else
3369                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
3370         }
3371 }
3372
3373 /*
3374 ================
3375 SV_SaveSpawnparms
3376
3377 Grabs the current state of each client for saving across the
3378 transition to another level
3379 ================
3380 */
3381 void SV_SaveSpawnparms (void)
3382 {
3383         prvm_prog_t *prog = SVVM_prog;
3384         int             i, j;
3385
3386         svs.serverflags = (int)PRVM_serverglobalfloat(serverflags);
3387
3388         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3389         {
3390                 if (!host_client->active)
3391                         continue;
3392
3393         // call the progs to get default spawn parms for the new client
3394                 PRVM_serverglobalfloat(time) = sv.time;
3395                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3396                 prog->ExecuteProgram(prog, PRVM_serverfunction(SetChangeParms), "QC function SetChangeParms is missing");
3397                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
3398                         host_client->spawn_parms[j] = (&PRVM_serverglobalfloat(parm1))[j];
3399         }
3400 }
3401
3402 /*
3403 ================
3404 SV_SpawnServer
3405
3406 This is called at the start of each level
3407 ================
3408 */
3409
3410 void SV_SpawnServer (const char *map)
3411 {
3412         prvm_prog_t *prog = SVVM_prog;
3413         prvm_edict_t *ent;
3414         int i;
3415         char *entities;
3416         dp_model_t *worldmodel;
3417         char modelname[sizeof(sv.worldname)];
3418         char vabuf[1024];
3419
3420         Con_DPrintf("SpawnServer: %s\n", map);
3421
3422         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", map);
3423
3424         if (!FS_FileExists(modelname))
3425         {
3426                 dpsnprintf (modelname, sizeof(modelname), "maps/%s", map);
3427                 if (!FS_FileExists(modelname))
3428                 {
3429                         Con_Printf("SpawnServer: no map file named maps/%s.bsp\n", map);
3430                         return;
3431                 }
3432         }
3433
3434 //      SV_LockThreadMutex();
3435
3436         if(cls.state == ca_dedicated)
3437                 Sys_MakeProcessNice();
3438
3439         if (cls.state != ca_dedicated)
3440         {
3441                 SCR_BeginLoadingPlaque(false);
3442                 S_StopAllSounds();
3443         }
3444
3445         if(sv.active)
3446         {
3447                 client_t *client;
3448                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3449                 {
3450                         if (client->netconnection)
3451                         {
3452                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3453                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3454                         }
3455                 }
3456                 World_End(&sv.world);
3457                 if(PRVM_serverfunction(SV_Shutdown))
3458                 {
3459                         func_t s = PRVM_serverfunction(SV_Shutdown);
3460                         PRVM_serverglobalfloat(time) = sv.time;
3461                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
3462                         prog->ExecuteProgram(prog, s,"SV_Shutdown() required");
3463                 }
3464         }
3465
3466         // free q3 shaders so that any newly downloaded shaders will be active
3467         Mod_FreeQ3Shaders();
3468
3469         worldmodel = Mod_ForName(modelname, false, developer.integer > 0, NULL);
3470         if (!worldmodel || !worldmodel->TraceBox)
3471         {
3472                 Con_Printf("Couldn't load map %s\n", modelname);
3473
3474                 if(cls.state == ca_dedicated)
3475                         Sys_MakeProcessMean();
3476
3477 //              SV_UnlockThreadMutex();
3478
3479                 return;
3480         }
3481
3482         Collision_Cache_Reset(true);
3483
3484         // let's not have any servers with no name
3485         if (hostname.string[0] == 0)
3486                 Cvar_SetQuick(&hostname, "UNNAMED");
3487         scr_centertime_off = 0;
3488
3489         svs.changelevel_issued = false;         // now safe to issue another
3490
3491         // make the map a required file for clients
3492         Curl_ClearRequirements();
3493         Curl_RequireFile(modelname);
3494
3495 //
3496 // tell all connected clients that we are going to a new level
3497 //
3498         if (!sv.active)
3499                 NetConn_OpenServerPorts(true);
3500
3501 //
3502 // make cvars consistant
3503 //
3504         if (coop.integer)
3505                 Cvar_SetValueQuick(&deathmatch, 0);
3506         // LadyHavoc: it can be useful to have skills outside the range 0-3...
3507         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3508         //Cvar_SetValue ("skill", (float)current_skill);
3509         current_skill = (int)(skill.value + 0.5);
3510
3511 //
3512 // set up the new server
3513 //
3514         memset (&sv, 0, sizeof(sv));
3515         // if running a local client, make sure it doesn't try to access the last
3516         // level's data which is no longer valiud
3517         cls.signon = 0;
3518
3519         Cvar_SetValueQuick(&halflifebsp, worldmodel->brush.ishlbsp);
3520         Cvar_SetValueQuick(&sv_mapformat_is_quake2, worldmodel->brush.isq2bsp);
3521         Cvar_SetValueQuick(&sv_mapformat_is_quake3, worldmodel->brush.isq3bsp);
3522
3523         if(*sv_random_seed.string)
3524         {
3525                 srand(sv_random_seed.integer);
3526                 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);
3527         }
3528
3529         SV_VM_Setup();
3530
3531         sv.active = true;
3532
3533         // set level base name variables for later use
3534         strlcpy (sv.name, map, sizeof (sv.name));
3535         strlcpy(sv.worldname, modelname, sizeof(sv.worldname));
3536         FS_StripExtension(sv.worldname, sv.worldnamenoextension, sizeof(sv.worldnamenoextension));
3537         strlcpy(sv.worldbasename, !strncmp(sv.worldnamenoextension, "maps/", 5) ? sv.worldnamenoextension + 5 : sv.worldnamenoextension, sizeof(sv.worldbasename));
3538         //Cvar_SetQuick(&sv_worldmessage, sv.worldmessage); // set later after QC is spawned
3539         Cvar_SetQuick(&sv_worldname, sv.worldname);
3540         Cvar_SetQuick(&sv_worldnamenoextension, sv.worldnamenoextension);
3541         Cvar_SetQuick(&sv_worldbasename, sv.worldbasename);
3542
3543         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3544         if (sv.protocol == PROTOCOL_UNKNOWN)
3545         {
3546                 char buffer[1024];
3547                 Protocol_Names(buffer, sizeof(buffer));
3548                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3549                 sv.protocol = PROTOCOL_QUAKE;
3550         }
3551
3552 // load progs to get entity field count
3553         //PR_LoadProgs ( sv_progs.string );
3554
3555         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3556         sv.datagram.cursize = 0;
3557         sv.datagram.data = sv.datagram_buf;
3558
3559         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3560         sv.reliable_datagram.cursize = 0;
3561         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3562
3563         sv.signon.maxsize = sizeof(sv.signon_buf);
3564         sv.signon.cursize = 0;
3565         sv.signon.data = sv.signon_buf;
3566
3567 // leave slots at start for clients only
3568         //prog->num_edicts = svs.maxclients+1;
3569
3570         sv.state = ss_loading;
3571         prog->allowworldwrites = true;
3572         sv.paused = false;
3573
3574         sv.time = 1.0;
3575
3576         Mod_ClearUsed();
3577         worldmodel->used = true;
3578
3579         sv.worldmodel = worldmodel;
3580         sv.models[1] = sv.worldmodel;
3581
3582 //
3583 // clear world interaction links
3584 //
3585         World_SetSize(&sv.world, sv.worldname, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs, prog);
3586         World_Start(&sv.world);
3587
3588         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3589
3590         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3591         strlcpy(sv.model_precache[1], sv.worldname, sizeof(sv.model_precache[1]));
3592         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3593         {
3594                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3595                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.worldname);
3596         }
3597         if(i < sv.worldmodel->brush.numsubmodels)
3598                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3599
3600 //
3601 // load the rest of the entities
3602 //
3603         // AK possible hack since num_edicts is still 0
3604         ent = PRVM_EDICT_NUM(0);
3605         memset (ent->fields.fp, 0, prog->entityfields * sizeof(prvm_vec_t));
3606         ent->priv.server->free = false;
3607         PRVM_serveredictstring(ent, model) = PRVM_SetEngineString(prog, sv.worldname);
3608         PRVM_serveredictfloat(ent, modelindex) = 1;             // world model
3609         PRVM_serveredictfloat(ent, solid) = SOLID_BSP;
3610         PRVM_serveredictfloat(ent, movetype) = MOVETYPE_PUSH;
3611         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, mins));
3612         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, maxs));
3613         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, absmin));
3614         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, absmax));
3615
3616         if (coop.value)
3617                 PRVM_serverglobalfloat(coop) = coop.integer;
3618         else
3619                 PRVM_serverglobalfloat(deathmatch) = deathmatch.integer;
3620
3621         PRVM_serverglobalstring(mapname) = PRVM_SetEngineString(prog, sv.name);
3622
3623 // serverflags are for cross level information (sigils)
3624         PRVM_serverglobalfloat(serverflags) = svs.serverflags;
3625
3626         // we need to reset the spawned flag on all connected clients here so that
3627         // their thinks don't run during startup (before PutClientInServer)
3628         // we also need to set up the client entities now
3629         // and we need to set the ->edict pointers to point into the progs edicts
3630         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3631         {
3632                 host_client->begun = false;
3633                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3634                 PRVM_ED_ClearEdict(prog, host_client->edict);
3635         }
3636
3637         // load replacement entity file if found
3638         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va(vabuf, sizeof(vabuf), "%s.ent", sv.worldnamenoextension), tempmempool, true, NULL)))
3639         {
3640                 Con_Printf("Loaded %s.ent\n", sv.worldnamenoextension);
3641                 PRVM_ED_LoadFromFile(prog, entities);
3642                 Mem_Free(entities);
3643         }
3644         else
3645                 PRVM_ED_LoadFromFile(prog, sv.worldmodel->brush.entities);
3646
3647
3648         // LadyHavoc: clear world angles (to fix e3m3.bsp)
3649         VectorClear(PRVM_serveredictvector(prog->edicts, angles));
3650
3651 // all setup is completed, any further precache statements are errors
3652 //      sv.state = ss_active; // LadyHavoc: workaround for svc_precache bug
3653         prog->allowworldwrites = false;
3654
3655 // run two frames to allow everything to settle
3656         sv.time = 1.0001;
3657         for (i = 0;i < sv_init_frame_count.integer;i++)
3658         {
3659                 sv.frametime = 0.1;
3660                 SV_Physics ();
3661         }
3662
3663         // Once all init frames have been run, we consider svqc code fully initialized.
3664         prog->inittime = host.realtime;
3665
3666         if (cls.state == ca_dedicated)
3667                 Mod_PurgeUnused();
3668
3669 // create a baseline for more efficient communications
3670         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)
3671                 SV_CreateBaseline ();
3672
3673         sv.state = ss_active; // LadyHavoc: workaround for svc_precache bug
3674
3675 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3676         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3677         {
3678                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3679                 if (!host_client->active)
3680                         continue;
3681                 if (host_client->netconnection)
3682                         SV_SendServerinfo(host_client);
3683                 else
3684                 {
3685                         int j;
3686                         // if client is a botclient coming from a level change, we need to
3687                         // set up client info that normally requires networking
3688
3689                         // copy spawn parms out of the client_t
3690                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3691                                 (&PRVM_serverglobalfloat(parm1))[j] = host_client->spawn_parms[j];
3692
3693                         // call the spawn function
3694                         host_client->clientconnectcalled = true;
3695                         PRVM_serverglobalfloat(time) = sv.time;
3696                         PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3697                         prog->ExecuteProgram(prog, PRVM_serverfunction(ClientConnect), "QC function ClientConnect is missing");
3698                         prog->ExecuteProgram(prog, PRVM_serverfunction(PutClientInServer), "QC function PutClientInServer is missing");
3699                         host_client->begun = true;
3700                 }
3701         }
3702
3703         // update the map title cvar
3704         strlcpy(sv.worldmessage, PRVM_GetString(prog, PRVM_serveredictstring(prog->edicts, message)), sizeof(sv.worldmessage)); // map title (not related to filename)
3705         Cvar_SetQuick(&sv_worldmessage, sv.worldmessage);
3706
3707         Con_DPrint("Server spawned.\n");
3708         NetConn_Heartbeat (2);
3709
3710         if(cls.state == ca_dedicated)
3711                 Sys_MakeProcessMean();
3712
3713 //      SV_UnlockThreadMutex();
3714 }
3715
3716 /*
3717 ==================
3718 SV_Shutdown
3719
3720 This only happens at the end of a game, not between levels
3721 ==================
3722 */
3723 void SV_Shutdown(void)
3724 {
3725         prvm_prog_t *prog = SVVM_prog;
3726         int i;
3727
3728         Con_DPrintf("SV_Shutdown\n");
3729
3730         if (!sv.active)
3731                 return;
3732
3733         NetConn_Heartbeat(2);
3734         NetConn_Heartbeat(2);
3735
3736 // make sure all the clients know we're disconnecting
3737         World_End(&sv.world);
3738         if(prog->loaded)
3739         {
3740                 if(PRVM_serverfunction(SV_Shutdown))
3741                 {
3742                         func_t s = PRVM_serverfunction(SV_Shutdown);
3743                         PRVM_serverglobalfloat(time) = sv.time;
3744                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
3745                         prog->ExecuteProgram(prog, s,"SV_Shutdown() required");
3746                 }
3747         }
3748         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3749                 if (host_client->active)
3750                         SV_DropClient(false); // server shutdown
3751
3752         NetConn_CloseServerPorts();
3753
3754         sv.active = false;
3755 //
3756 // clear structures
3757 //
3758         memset(&sv, 0, sizeof(sv));
3759         memset(svs.clients, 0, svs.maxclients*sizeof(client_t));
3760
3761         cl.islocalgame = false;
3762 }
3763
3764 /////////////////////////////////////////////////////
3765 // SV VM stuff
3766
3767 static void SVVM_begin_increase_edicts(prvm_prog_t *prog)
3768 {
3769         // links don't survive the transition, so unlink everything
3770         World_UnlinkAll(&sv.world);
3771 }
3772
3773 static void SVVM_end_increase_edicts(prvm_prog_t *prog)
3774 {
3775         int i;
3776         prvm_edict_t *ent;
3777
3778         // link every entity except world
3779         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
3780                 if (!ent->priv.server->free && !VectorCompare(PRVM_serveredictvector(ent, absmin), PRVM_serveredictvector(ent, absmax)))
3781                         SV_LinkEdict(ent);
3782 }
3783
3784 static void SVVM_init_edict(prvm_prog_t *prog, prvm_edict_t *e)
3785 {
3786         // LadyHavoc: for consistency set these here
3787         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3788
3789         e->priv.server->move = false; // don't move on first frame
3790
3791         if (num >= 0 && num < svs.maxclients)
3792         {
3793                 // set colormap and team on newly created player entity
3794                 PRVM_serveredictfloat(e, colormap) = num + 1;
3795                 PRVM_serveredictfloat(e, team) = (svs.clients[num].colors & 15) + 1;
3796                 // set netname/clientcolors back to client values so that
3797                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3798                 // reset them
3799                 PRVM_serveredictstring(e, netname) = PRVM_SetEngineString(prog, svs.clients[num].name);
3800                 PRVM_serveredictfloat(e, clientcolors) = svs.clients[num].colors;
3801                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3802                 PRVM_serveredictstring(e, playermodel) = PRVM_SetEngineString(prog, svs.clients[num].playermodel);
3803                 PRVM_serveredictstring(e, playerskin) = PRVM_SetEngineString(prog, svs.clients[num].playerskin);
3804                 // Assign netaddress (IP Address, etc)
3805                 if(svs.clients[num].netconnection != NULL)
3806                 {
3807                         // Acquire Readable Address
3808                         LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3809                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(prog, svs.clients[num].netaddress);
3810                 }
3811                 else
3812                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(prog, "null/botclient");
3813                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_idfp[0])
3814                         PRVM_serveredictstring(e, crypto_idfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.client_idfp);
3815                 else
3816                         PRVM_serveredictstring(e, crypto_idfp) = 0;
3817                 PRVM_serveredictfloat(e, crypto_idfp_signed) = (svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_issigned);
3818                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_keyfp[0])
3819                         PRVM_serveredictstring(e, crypto_keyfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.client_keyfp);
3820                 else
3821                         PRVM_serveredictstring(e, crypto_keyfp) = 0;
3822                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.server_keyfp[0])
3823                         PRVM_serveredictstring(e, crypto_mykeyfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.server_keyfp);
3824                 else
3825                         PRVM_serveredictstring(e, crypto_mykeyfp) = 0;
3826                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.use_aes)
3827                         PRVM_serveredictstring(e, crypto_encryptmethod) = PRVM_SetEngineString(prog, "AES128");
3828                 else
3829                         PRVM_serveredictstring(e, crypto_encryptmethod) = 0;
3830                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated)
3831                         PRVM_serveredictstring(e, crypto_signmethod) = PRVM_SetEngineString(prog, "HMAC-SHA256");
3832                 else
3833                         PRVM_serveredictstring(e, crypto_signmethod) = 0;
3834         }
3835 }
3836
3837 static void SVVM_free_edict(prvm_prog_t *prog, prvm_edict_t *ed)
3838 {
3839         int i;
3840         int e;
3841
3842         World_UnlinkEdict(ed);          // unlink from world bsp
3843
3844         PRVM_serveredictstring(ed, model) = 0;
3845         PRVM_serveredictfloat(ed, takedamage) = 0;
3846         PRVM_serveredictfloat(ed, modelindex) = 0;
3847         PRVM_serveredictfloat(ed, colormap) = 0;
3848         PRVM_serveredictfloat(ed, skin) = 0;
3849         PRVM_serveredictfloat(ed, frame) = 0;
3850         VectorClear(PRVM_serveredictvector(ed, origin));
3851         VectorClear(PRVM_serveredictvector(ed, angles));
3852         PRVM_serveredictfloat(ed, nextthink) = -1;
3853         PRVM_serveredictfloat(ed, solid) = 0;
3854
3855         VM_RemoveEdictSkeleton(prog, ed);
3856         World_Physics_RemoveFromEntity(&sv.world, ed);
3857         World_Physics_RemoveJointFromEntity(&sv.world, ed);
3858
3859         // make sure csqc networking is aware of the removed entity
3860         e = PRVM_NUM_FOR_EDICT(ed);
3861         sv.csqcentityversion[e] = 0;
3862         for (i = 0;i < svs.maxclients;i++)
3863                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3864 }
3865
3866 static void SVVM_count_edicts(prvm_prog_t *prog)
3867 {
3868         int             i;
3869         prvm_edict_t    *ent;
3870         int             active, models, solid, step;
3871
3872         active = models = solid = step = 0;
3873         for (i=0 ; i<prog->num_edicts ; i++)
3874         {
3875                 ent = PRVM_EDICT_NUM(i);
3876                 if (ent->priv.server->free)
3877                         continue;
3878                 active++;
3879                 if (PRVM_serveredictfloat(ent, solid))
3880                         solid++;
3881                 if (PRVM_serveredictstring(ent, model))
3882                         models++;
3883                 if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
3884                         step++;
3885         }
3886
3887         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3888         Con_Printf("active    :%3i\n", active);
3889         Con_Printf("view      :%3i\n", models);
3890         Con_Printf("touch     :%3i\n", solid);
3891         Con_Printf("step      :%3i\n", step);
3892 }
3893
3894 static qboolean SVVM_load_edict(prvm_prog_t *prog, prvm_edict_t *ent)
3895 {
3896         // remove things from different skill levels or deathmatch
3897         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3898         {
3899                 if (deathmatch.integer)
3900                 {
3901                         if (((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_DEATHMATCH))
3902                         {
3903                                 return false;
3904                         }
3905                 }
3906                 else if ((current_skill <= 0 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_EASY  ))
3907                         || (current_skill == 1 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_MEDIUM))
3908                         || (current_skill >= 2 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_HARD  )))
3909                 {
3910                         return false;
3911                 }
3912         }
3913         return true;
3914 }
3915
3916 static void SV_VM_Setup(void)
3917 {
3918         prvm_prog_t *prog = SVVM_prog;
3919         PRVM_Prog_Init(prog, &cmd_server);
3920
3921         // allocate the mempools
3922         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3923         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3924         prog->builtins = vm_sv_builtins;
3925         prog->numbuiltins = vm_sv_numbuiltins;
3926         prog->max_edicts = 512;
3927         if (sv.protocol == PROTOCOL_QUAKE)
3928                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3929         else if (sv.protocol == PROTOCOL_QUAKEDP)
3930                 prog->limit_edicts = 2048; // guessing
3931         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3932                 prog->limit_edicts = 2048; // guessing!
3933         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3934                 prog->limit_edicts = 4096; // guessing!
3935         else
3936                 prog->limit_edicts = MAX_EDICTS;
3937         prog->reserved_edicts = svs.maxclients;
3938         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3939         prog->name = "server";
3940         prog->extensionstring = vm_sv_extensions;
3941         prog->loadintoworld = true;
3942
3943         // all callbacks must be defined (pointers are not checked before calling)
3944         prog->begin_increase_edicts = SVVM_begin_increase_edicts;
3945         prog->end_increase_edicts   = SVVM_end_increase_edicts;
3946         prog->init_edict            = SVVM_init_edict;
3947         prog->free_edict            = SVVM_free_edict;
3948         prog->count_edicts          = SVVM_count_edicts;
3949         prog->load_edict            = SVVM_load_edict;
3950         prog->init_cmd              = SVVM_init_cmd;
3951         prog->reset_cmd             = SVVM_reset_cmd;
3952         prog->error_cmd             = Host_Error;
3953         prog->ExecuteProgram        = SVVM_ExecuteProgram;
3954
3955         PRVM_Prog_Load(prog, sv_progs.string, NULL, 0, SV_REQFUNCS, sv_reqfuncs, SV_REQFIELDS, sv_reqfields, SV_REQGLOBALS, sv_reqglobals);
3956
3957         // some mods compiled with scrambling compilers lack certain critical
3958         // global names and field names such as "self" and "time" and "nextthink"
3959         // so we have to set these offsets manually, matching the entvars_t
3960         // but we only do this if the prog header crc matches, otherwise it's totally freeform
3961         if (prog->progs_crc == PROGHEADER_CRC || prog->progs_crc == PROGHEADER_CRC_TENEBRAE)
3962         {
3963                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, modelindex);
3964                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmin);
3965                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmax);
3966                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ltime);
3967                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movetype);
3968                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, solid);
3969                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, origin);
3970                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, oldorigin);
3971                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, velocity);
3972                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3973                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, avelocity);
3974                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, punchangle);
3975                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3976                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, model);
3977                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3978                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, skin);
3979                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, effects);
3980                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, mins);
3981                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, maxs);
3982                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, size);
3983                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, touch);
3984                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, use);
3985                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3986                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, blocked);
3987                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3988                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3989                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, health);
3990                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frags);
3991                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weapon);
3992                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponmodel);
3993                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponframe);
3994                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, currentammo);
3995                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_shells);
3996                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_nails);
3997                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_rockets);
3998                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_cells);
3999                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, items);
4000                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, takedamage);
4001                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
4002                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, deadflag);
4003                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, view_ofs);
4004                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button0);
4005                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button1);
4006                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button2);
4007                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, impulse);
4008                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, fixangle);
4009                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, v_angle);
4010                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, idealpitch);
4011                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, netname);
4012                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, enemy);
4013                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, flags);
4014                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, colormap);
4015                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, team);
4016                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, max_health);
4017                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, teleport_time);
4018                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armortype);
4019                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armorvalue);
4020                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, waterlevel);
4021                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, watertype);
4022                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
4023                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
4024                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, aiment);
4025                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, goalentity);
4026                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, spawnflags);
4027                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, target);
4028                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, targetname);
4029                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_take);
4030                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_save);
4031                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_inflictor);
4032                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, owner);
4033                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movedir);
4034                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, message);
4035                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, sounds);
4036                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise);
4037                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise1);
4038                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise2);
4039                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise3);
4040                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
4041                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, other);
4042                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, world);
4043                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
4044                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, frametime);
4045                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, force_retouch);
4046                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, mapname);
4047                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, deathmatch);
4048                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, coop);
4049                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, teamplay);
4050                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, serverflags);
4051                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_secrets);
4052                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_monsters);
4053                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, found_secrets);
4054                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, killed_monsters);
4055                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm1);
4056                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm2);
4057                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm3);
4058                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm4);
4059                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm5);
4060                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm6);
4061                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm7);
4062                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm8);
4063                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm9);
4064                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm10);
4065                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm11);
4066                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm12);
4067                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm13);
4068                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm14);
4069                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm15);
4070                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm16);
4071                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
4072                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
4073                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
4074                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
4075                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
4076                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
4077                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
4078                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
4079                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
4080                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
4081                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
4082                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
4083                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, msg_entity);
4084 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, main);
4085 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, StartFrame);
4086 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPreThink);
4087 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPostThink);
4088 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientKill);
4089 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientConnect);
4090 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PutClientInServer);
4091 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientDisconnect);
4092 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetNewParms);
4093 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetChangeParms);
4094         }
4095         else
4096                 Con_DPrintf("%s: %s system vars have been modified (CRC %i != engine %i), will not load in other engines\n", prog->name, sv_progs.string, prog->progs_crc, PROGHEADER_CRC);
4097
4098         // OP_STATE is always supported on server because we add fields/globals for it
4099         prog->flag |= PRVM_OP_STATE;
4100
4101         VM_CustomStats_Clear();//[515]: csqc
4102
4103         SV_Prepare_CSQC();
4104 }
4105
4106 extern cvar_t host_maxwait;
4107 extern cvar_t host_framerate;
4108 static int SV_ThreadFunc(void *voiddata)
4109 {
4110         prvm_prog_t *prog = SVVM_prog;
4111         qboolean playing = false;
4112         double sv_timer = 0;
4113         double sv_deltarealtime, sv_oldrealtime, sv_realtime;
4114         double wait;
4115         int i;
4116         char vabuf[1024];
4117         sv_realtime = Sys_DirtyTime();
4118         while (!svs.threadstop)
4119         {
4120                 // FIXME: we need to handle Host_Error in the server thread somehow
4121 //              if (setjmp(sv_abortframe))
4122 //                      continue;                       // something bad happened in the server game
4123
4124                 sv_oldrealtime = sv_realtime;
4125                 sv_realtime = Sys_DirtyTime();
4126                 sv_deltarealtime = sv_realtime - sv_oldrealtime;
4127                 if (sv_deltarealtime < 0 || sv_deltarealtime >= 1800) sv_deltarealtime = 0;
4128
4129                 sv_timer += sv_deltarealtime;
4130
4131                 svs.perf_acc_realtime += sv_deltarealtime;
4132
4133                 // at this point we start doing real server work, and must block on any client activity pertaining to the server (such as executing SV_SpawnServer)
4134                 SV_LockThreadMutex();
4135
4136                 // Look for clients who have spawned
4137                 playing = false;
4138                 if (sv.active)
4139                         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
4140                                 if(host_client->begun)
4141                                         if(host_client->netconnection)
4142                                                 playing = true;
4143                 if(sv.time < 10)
4144                 {
4145                         // don't accumulate time for the first 10 seconds of a match
4146                         // so things can settle
4147                         svs.perf_acc_realtime = svs.perf_acc_sleeptime = svs.perf_acc_lost = svs.perf_acc_offset = svs.perf_acc_offset_squared = svs.perf_acc_offset_max = svs.perf_acc_offset_samples = 0;
4148                 }
4149                 else if(svs.perf_acc_realtime > 5)
4150                 {
4151                         svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
4152                         svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
4153                         if(svs.perf_acc_offset_samples > 0)
4154                         {
4155                                 svs.perf_offset_max = svs.perf_acc_offset_max;
4156                                 svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
4157                                 svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
4158                         }
4159                         if(svs.perf_lost > 0 && developer_extra.integer)
4160                                 if(playing)
4161                                         Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport(vabuf, sizeof(vabuf)));
4162                         svs.perf_acc_realtime = svs.perf_acc_sleeptime = svs.perf_acc_lost = svs.perf_acc_offset = svs.perf_acc_offset_squared = svs.perf_acc_offset_max = svs.perf_acc_offset_samples = 0;
4163                 }
4164
4165                 // get new packets
4166                 if (sv.active)
4167                         NetConn_ServerFrame();
4168
4169                 // if the accumulators haven't become positive yet, wait a while
4170                 wait = sv_timer * -1000000.0;
4171                 if (wait >= 1)
4172                 {
4173                         double time0, delta;
4174                         SV_UnlockThreadMutex(); // don't keep mutex locked while sleeping
4175                         if (host_maxwait.value <= 0)
4176                                 wait = min(wait, 1000000.0);
4177                         else
4178                                 wait = min(wait, host_maxwait.value * 1000.0);
4179                         if(wait < 1)
4180                                 wait = 1; // because we cast to int
4181                         time0 = Sys_DirtyTime();
4182                         Sys_Sleep((int)wait);
4183                         delta = Sys_DirtyTime() - time0;if (delta < 0 || delta >= 1800) delta = 0;
4184                         svs.perf_acc_sleeptime += delta;
4185                         continue;
4186                 }
4187
4188                 if (sv.active && sv_timer > 0)
4189                 {
4190                         // execute one server frame
4191                         double advancetime;
4192                         float offset;
4193
4194                         if (sys_ticrate.value <= 0)
4195                                 advancetime = min(sv_timer, 0.1); // don't step more than 100ms
4196                         else
4197                                 advancetime = sys_ticrate.value;
4198
4199                         if(advancetime > 0)
4200                         {
4201                                 offset = sv_timer + (Sys_DirtyTime() - sv_realtime); // LadyHavoc: FIXME: I don't understand this line
4202                                 ++svs.perf_acc_offset_samples;
4203                                 svs.perf_acc_offset += offset;
4204                                 svs.perf_acc_offset_squared += offset * offset;
4205                                 if(svs.perf_acc_offset_max < offset)
4206                                         svs.perf_acc_offset_max = offset;
4207                         }
4208
4209                         // only advance time if not paused
4210                         // the game also pauses in singleplayer when menu or console is used
4211                         sv.frametime = advancetime * host_timescale.value;
4212                         if (host_framerate.value)
4213                                 sv.frametime = host_framerate.value;
4214                         if (sv.paused || host.paused)
4215                                 sv.frametime = 0;
4216
4217                         sv_timer -= advancetime;
4218
4219                         // move things around and think unless paused
4220                         if (sv.frametime)
4221                                 SV_Physics();
4222
4223                         // send all messages to the clients
4224                         SV_SendClientMessages();
4225
4226                         if (sv.paused == 1 && sv_realtime > sv.pausedstart && sv.pausedstart > 0)
4227                         {
4228                                 PRVM_serverglobalfloat(time) = sv.time;
4229                                 prog->globals.fp[OFS_PARM0] = sv_realtime - sv.pausedstart;
4230                                 prog->ExecuteProgram(prog, PRVM_serverfunction(SV_PausedTic), "QC function SV_PausedTic is missing");
4231                         }
4232
4233                         // send an heartbeat if enough time has passed since the last one
4234                         NetConn_Heartbeat(0);
4235
4236                 }
4237
4238                 // we're back to safe code now
4239                 SV_UnlockThreadMutex();
4240
4241                 // if there is some time remaining from this frame, reset the timers
4242                 if (sv_timer >= 0)
4243                 {
4244                         svs.perf_acc_lost += sv_timer;
4245                         sv_timer = 0;
4246                 }
4247         }
4248         return 0;
4249 }
4250
4251 void SV_StartThread(void)
4252 {
4253         if (!sv_threaded.integer || !Thread_HasThreads())
4254                 return;
4255         svs.threaded = true;
4256         svs.threadstop = false;
4257         svs.threadmutex = Thread_CreateMutex();
4258         svs.thread = Thread_CreateThread(SV_ThreadFunc, NULL);
4259 }
4260
4261 void SV_StopThread(void)
4262 {
4263         if (!svs.threaded)
4264                 return;
4265         svs.threadstop = true;
4266         Thread_WaitThread(svs.thread, 0);
4267         Thread_DestroyMutex(svs.threadmutex);
4268         svs.threaded = false;
4269 }