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 static void SV_SaveEntFile_f(cmd_state_t *cmd);
  29 static void SV_StartDownload_f(cmd_state_t *cmd);
  30 static void SV_Download_f(cmd_state_t *cmd);
  31 static void SV_VM_Setup(void);
  32 extern cvar_t net_connecttimeout;
  33
  34 cvar_t sv_worldmessage = {CVAR_SERVER | CVAR_READONLY, "sv_worldmessage", "", "title of current level"};
  35 cvar_t sv_worldname = {CVAR_SERVER | CVAR_READONLY, "sv_worldname", "", "name of current worldmodel"};
  36 cvar_t sv_worldnamenoextension = {CVAR_SERVER | CVAR_READONLY, "sv_worldnamenoextension", "", "name of current worldmodel without extension"};
  37 cvar_t sv_worldbasename = {CVAR_SERVER | CVAR_READONLY, "sv_worldbasename", "", "name of current worldmodel without maps/ prefix or extension"};
  38
  39 cvar_t sv_disablenotify = {CVAR_SERVER, "sv_disablenotify", "0", "suppress broadcast prints when certain cvars are changed (CVAR_NOTIFY flag in engine code)"};
  40 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)"};
  41 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)"};
  42 cvar_t fraglimit = {CVAR_SERVER | CVAR_NOTIFY, "fraglimit","0", "ends level if this many frags is reached by any player"};
  43 cvar_t gamecfg = {CVAR_SERVER, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
  44 cvar_t noexit = {CVAR_SERVER | CVAR_NOTIFY, "noexit","0", "kills anyone attempting to use an exit"};
  45 cvar_t nomonsters = {CVAR_SERVER, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
  46 cvar_t pausable = {CVAR_SERVER, "pausable","1", "allow players to pause or not (otherwise, only the server admin can)"};
  47 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)"};
  48 cvar_t samelevel = {CVAR_SERVER | CVAR_NOTIFY, "samelevel","0", "repeats same level if level ends (due to timelimit or someone hitting an exit)"};
  49 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)"};
  50 cvar_t host_timescale = {CVAR_CLIENT | CVAR_SERVER, "host_timescale", "1.0", "controls game speed, 0.5 is half speed, 2 is double speed"};
  51
  52 cvar_t sv_accelerate = {CVAR_SERVER, "sv_accelerate", "10", "rate at which a player accelerates to sv_maxspeed"};
  53 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"};
  54 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"};
  55 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"};
  56 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"};
  57 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"};
  58 cvar_t sv_airstopaccelerate = {CVAR_SERVER, "sv_airstopaccelerate", "0", "when set, replacement for sv_airaccelerate when moving backwards"};
  59 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"};
  60 cvar_t sv_airstrafeaccelerate = {CVAR_SERVER, "sv_airstrafeaccelerate", "0", "when set, replacement for sv_airaccelerate when just strafing"};
  61 cvar_t sv_maxairstrafespeed = {CVAR_SERVER, "sv_maxairstrafespeed", "0", "when set, replacement for sv_maxairspeed when just strafing"};
  62 cvar_t sv_airstrafeaccel_qw = {CVAR_SERVER, "sv_airstrafeaccel_qw", "0", "when set, replacement for sv_airaccel_qw when just strafing"};
  63 cvar_t sv_aircontrol = {CVAR_SERVER, "sv_aircontrol", "0", "CPMA-style air control"};
  64 cvar_t sv_aircontrol_power = {CVAR_SERVER, "sv_aircontrol_power", "2", "CPMA-style air control exponent"};
  65 cvar_t sv_aircontrol_penalty = {CVAR_SERVER, "sv_aircontrol_penalty", "0", "deceleration while using CPMA-style air control"};
  66 cvar_t sv_allowdownloads = {CVAR_SERVER, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
  67 cvar_t sv_allowdownloads_archive = {CVAR_SERVER, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
  68 cvar_t sv_allowdownloads_config = {CVAR_SERVER, "sv_allowdownloads_config", "0", "whether to allow downloads of config files (cfg)"};
  69 cvar_t sv_allowdownloads_dlcache = {CVAR_SERVER, "sv_allowdownloads_dlcache", "0", "whether to allow downloads of dlcache files (dlcache/)"};
  70 cvar_t sv_allowdownloads_inarchive = {CVAR_SERVER, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
  71 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"};
  72 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"};
  73 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"};
  74 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)"};
  75 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)"};
  76 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)"};
  77 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!)"};
  78 cvar_t sv_cullentities_pvs = {CVAR_SERVER, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"};
  79 cvar_t sv_cullentities_stats = {CVAR_SERVER, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
  80 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"};
  81 cvar_t sv_cullentities_trace_delay = {CVAR_SERVER, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
  82 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"};
  83 cvar_t sv_cullentities_trace_enlarge = {CVAR_SERVER, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
  84 cvar_t sv_cullentities_trace_expand = {CVAR_SERVER, "sv_cullentities_trace_expand", "0", "box is expanded by this many units for entity culling"};
  85 cvar_t sv_cullentities_trace_eyejitter = {CVAR_SERVER, "sv_cullentities_trace_eyejitter", "16", "jitter the eye by this much for each trace"};
  86 cvar_t sv_cullentities_trace_prediction = {CVAR_SERVER, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
  87 cvar_t sv_cullentities_trace_prediction_time = {CVAR_SERVER, "sv_cullentities_trace_prediction_time", "0.2", "how many seconds of prediction to use"};
  88 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"};
  89 cvar_t sv_cullentities_trace_samples = {CVAR_SERVER, "sv_cullentities_trace_samples", "2", "number of samples to test for entity culling"};
  90 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"};
  91 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"};
  92 cvar_t sv_debugmove = {CVAR_SERVER | CVAR_NOTIFY, "sv_debugmove", "0", "disables collision detection optimizations for debugging purposes"};
  93 cvar_t sv_echobprint = {CVAR_SERVER | CVAR_SAVE, "sv_echobprint", "1", "prints gamecode bprint() calls to server console"};
  94 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)"};
  95 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)"};
  96 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)"};
  97 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"};
  98 cvar_t sv_friction = {CVAR_SERVER | CVAR_NOTIFY, "sv_friction","4", "how fast you slow down"};
  99 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"};
 100 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"};
 101 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"};
 102 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)"};
 103 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"};
 104 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)"};
 105 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"};
 106 cvar_t sv_gameplayfix_gravityunaffectedbyticrate = {CVAR_SERVER, "sv_gameplayfix_gravityunaffectedbyticrate", "0", "fix some ticrate issues in physics."};
 107 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"};
 108 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"};
 109 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"};
 110 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)"};
 111 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)"};
 112 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"};
 113 cvar_t sv_gameplayfix_q2airaccelerate = {CVAR_SERVER, "sv_gameplayfix_q2airaccelerate", "0", "Quake2-style air acceleration"};
 114 cvar_t sv_gameplayfix_nogravityonground = {CVAR_SERVER, "sv_gameplayfix_nogravityonground", "0", "turn off gravity when on ground (to get rid of sliding)"};
 115 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"};
 116 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"};
 117 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)"};
 118 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"};
 119 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"};
 120 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"};
 121 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"};
 122 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)"};
 123 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"};
 124 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."};
 125 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"};
 126 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)"};
 127 cvar_t sv_gameplayfix_customstats = {CVAR_SERVER, "sv_gameplayfix_customstats", "0", "Disable stats higher than 220, for use by certain games such as Xonotic"};
 128 cvar_t sv_gravity = {CVAR_SERVER | CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
 129 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"};
 130 cvar_t sv_idealpitchscale = {CVAR_SERVER, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
 131 cvar_t sv_jumpstep = {CVAR_SERVER | CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping"};
 132 cvar_t sv_jumpvelocity = {CVAR_SERVER, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
 133 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)"};
 134 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"};
 135 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)"};
 136 cvar_t sv_maxvelocity = {CVAR_SERVER | CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
 137 cvar_t sv_nostep = {CVAR_SERVER | CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
 138 cvar_t sv_playerphysicsqc = {CVAR_SERVER | CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
 139 cvar_t sv_progs = {CVAR_SERVER, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
 140 cvar_t sv_protocolname = {CVAR_SERVER, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
 141 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"};
 142 cvar_t sv_ratelimitlocalplayer = {CVAR_SERVER, "sv_ratelimitlocalplayer", "0", "whether to apply rate limiting to the local player in a listen server (only useful for testing)"};
 143 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)"};
 144 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)"};
 145 cvar_t sv_stepheight = {CVAR_SERVER | CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
 146 cvar_t sv_stopspeed = {CVAR_SERVER | CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
 147 cvar_t sv_wallfriction = {CVAR_SERVER | CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
 148 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"};
 149 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"};
 150 cvar_t sv_warsowbunny_airforwardaccel = {CVAR_SERVER, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
 151 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)"};
 152 cvar_t sv_warsowbunny_topspeed = {CVAR_SERVER, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
 153 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)"};
 154 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"};
 155 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)"};
 156 cvar_t sv_areadebug = {CVAR_SERVER, "sv_areadebug", "0", "disables physics culling for debugging purposes (only for development)"};
 157 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"};
 158 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"};
 159 cvar_t timelimit = {CVAR_SERVER | CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
 160 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"};
 161
 162 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"};
 163 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"};
 164 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"};
 165 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"};
 166 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"};
 167 cvar_t scratch1 = {CVAR_SERVER, "scratch1", "0", "unused cvar in quake, can be used by mods"};
 168 cvar_t scratch2 = {CVAR_SERVER,"scratch2", "0", "unused cvar in quake, can be used by mods"};
 169 cvar_t scratch3 = {CVAR_SERVER, "scratch3", "0", "unused cvar in quake, can be used by mods"};
 170 cvar_t scratch4 = {CVAR_SERVER, "scratch4", "0", "unused cvar in quake, can be used by mods"};
 171 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)"};
 172
 173 cvar_t nehx00 = {CVAR_SERVER, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
 174 cvar_t nehx01 = {CVAR_SERVER, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
 175 cvar_t nehx02 = {CVAR_SERVER, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
 176 cvar_t nehx03 = {CVAR_SERVER, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
 177 cvar_t nehx04 = {CVAR_SERVER, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
 178 cvar_t nehx05 = {CVAR_SERVER, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
 179 cvar_t nehx06 = {CVAR_SERVER, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
 180 cvar_t nehx07 = {CVAR_SERVER, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
 181 cvar_t nehx08 = {CVAR_SERVER, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
 182 cvar_t nehx09 = {CVAR_SERVER, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
 183 cvar_t nehx10 = {CVAR_SERVER, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
 184 cvar_t nehx11 = {CVAR_SERVER, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
 185 cvar_t nehx12 = {CVAR_SERVER, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
 186 cvar_t nehx13 = {CVAR_SERVER, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
 187 cvar_t nehx14 = {CVAR_SERVER, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
 188 cvar_t nehx15 = {CVAR_SERVER, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
 189 cvar_t nehx16 = {CVAR_SERVER, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
 190 cvar_t nehx17 = {CVAR_SERVER, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
 191 cvar_t nehx18 = {CVAR_SERVER, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
 192 cvar_t nehx19 = {CVAR_SERVER, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
 193 cvar_t cutscene = {CVAR_SERVER, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
 194
 195 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)"};
 196 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)" };
 197 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."};
 198
 199 cvar_t halflifebsp = {CVAR_SERVER, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
 200 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)"};
 201 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)"};
 202
 203 server_t sv;
 204 server_static_t svs;
 205
 206 mempool_t *sv_mempool = NULL;
 207
 208 extern cvar_t host_timescale;
 209 extern float            scr_centertime_off;
 210
 211 // MUST match effectnameindex_t in client.h
 212 static const char *standardeffectnames[EFFECT_TOTAL] =
 213 {
 214         "",
 215         "TE_GUNSHOT",
 216         "TE_GUNSHOTQUAD",
 217         "TE_SPIKE",
 218         "TE_SPIKEQUAD",
 219         "TE_SUPERSPIKE",
 220         "TE_SUPERSPIKEQUAD",
 221         "TE_WIZSPIKE",
 222         "TE_KNIGHTSPIKE",
 223         "TE_EXPLOSION",
 224         "TE_EXPLOSIONQUAD",
 225         "TE_TAREXPLOSION",
 226         "TE_TELEPORT",
 227         "TE_LAVASPLASH",
 228         "TE_SMALLFLASH",
 229         "TE_FLAMEJET",
 230         "EF_FLAME",
 231         "TE_BLOOD",
 232         "TE_SPARK",
 233         "TE_PLASMABURN",
 234         "TE_TEI_G3",
 235         "TE_TEI_SMOKE",
 236         "TE_TEI_BIGEXPLOSION",
 237         "TE_TEI_PLASMAHIT",
 238         "EF_STARDUST",
 239         "TR_ROCKET",
 240         "TR_GRENADE",
 241         "TR_BLOOD",
 242         "TR_WIZSPIKE",
 243         "TR_SLIGHTBLOOD",
 244         "TR_KNIGHTSPIKE",
 245         "TR_VORESPIKE",
 246         "TR_NEHAHRASMOKE",
 247         "TR_NEXUIZPLASMA",
 248         "TR_GLOWTRAIL",
 249         "SVC_PARTICLE"
 250 };
 251
 252 #define SV_REQFUNCS 0
 253 #define sv_reqfuncs NULL
 254
 255 //#define SV_REQFUNCS (sizeof(sv_reqfuncs) / sizeof(const char *))
 256 //static const char *sv_reqfuncs[] = {
 257 //};
 258
 259 #define SV_REQFIELDS (sizeof(sv_reqfields) / sizeof(prvm_required_field_t))
 260
 261 prvm_required_field_t sv_reqfields[] =
 262 {
 263 #define PRVM_DECLARE_serverglobalfloat(x)
 264 #define PRVM_DECLARE_serverglobalvector(x)
 265 #define PRVM_DECLARE_serverglobalstring(x)
 266 #define PRVM_DECLARE_serverglobaledict(x)
 267 #define PRVM_DECLARE_serverglobalfunction(x)
 268 #define PRVM_DECLARE_clientglobalfloat(x)
 269 #define PRVM_DECLARE_clientglobalvector(x)
 270 #define PRVM_DECLARE_clientglobalstring(x)
 271 #define PRVM_DECLARE_clientglobaledict(x)
 272 #define PRVM_DECLARE_clientglobalfunction(x)
 273 #define PRVM_DECLARE_menuglobalfloat(x)
 274 #define PRVM_DECLARE_menuglobalvector(x)
 275 #define PRVM_DECLARE_menuglobalstring(x)
 276 #define PRVM_DECLARE_menuglobaledict(x)
 277 #define PRVM_DECLARE_menuglobalfunction(x)
 278 #define PRVM_DECLARE_serverfieldfloat(x) {ev_float, #x},
 279 #define PRVM_DECLARE_serverfieldvector(x) {ev_vector, #x},
 280 #define PRVM_DECLARE_serverfieldstring(x) {ev_string, #x},
 281 #define PRVM_DECLARE_serverfieldedict(x) {ev_entity, #x},
 282 #define PRVM_DECLARE_serverfieldfunction(x) {ev_function, #x},
 283 #define PRVM_DECLARE_clientfieldfloat(x)
 284 #define PRVM_DECLARE_clientfieldvector(x)
 285 #define PRVM_DECLARE_clientfieldstring(x)
 286 #define PRVM_DECLARE_clientfieldedict(x)
 287 #define PRVM_DECLARE_clientfieldfunction(x)
 288 #define PRVM_DECLARE_menufieldfloat(x)
 289 #define PRVM_DECLARE_menufieldvector(x)
 290 #define PRVM_DECLARE_menufieldstring(x)
 291 #define PRVM_DECLARE_menufieldedict(x)
 292 #define PRVM_DECLARE_menufieldfunction(x)
 293 #define PRVM_DECLARE_serverfunction(x)
 294 #define PRVM_DECLARE_clientfunction(x)
 295 #define PRVM_DECLARE_menufunction(x)
 296 #define PRVM_DECLARE_field(x)
 297 #define PRVM_DECLARE_global(x)
 298 #define PRVM_DECLARE_function(x)
 299 #include "prvm_offsets.h"
 300 #undef PRVM_DECLARE_serverglobalfloat
 301 #undef PRVM_DECLARE_serverglobalvector
 302 #undef PRVM_DECLARE_serverglobalstring
 303 #undef PRVM_DECLARE_serverglobaledict
 304 #undef PRVM_DECLARE_serverglobalfunction
 305 #undef PRVM_DECLARE_clientglobalfloat
 306 #undef PRVM_DECLARE_clientglobalvector
 307 #undef PRVM_DECLARE_clientglobalstring
 308 #undef PRVM_DECLARE_clientglobaledict
 309 #undef PRVM_DECLARE_clientglobalfunction
 310 #undef PRVM_DECLARE_menuglobalfloat
 311 #undef PRVM_DECLARE_menuglobalvector
 312 #undef PRVM_DECLARE_menuglobalstring
 313 #undef PRVM_DECLARE_menuglobaledict
 314 #undef PRVM_DECLARE_menuglobalfunction
 315 #undef PRVM_DECLARE_serverfieldfloat
 316 #undef PRVM_DECLARE_serverfieldvector
 317 #undef PRVM_DECLARE_serverfieldstring
 318 #undef PRVM_DECLARE_serverfieldedict
 319 #undef PRVM_DECLARE_serverfieldfunction
 320 #undef PRVM_DECLARE_clientfieldfloat
 321 #undef PRVM_DECLARE_clientfieldvector
 322 #undef PRVM_DECLARE_clientfieldstring
 323 #undef PRVM_DECLARE_clientfieldedict
 324 #undef PRVM_DECLARE_clientfieldfunction
 325 #undef PRVM_DECLARE_menufieldfloat
 326 #undef PRVM_DECLARE_menufieldvector
 327 #undef PRVM_DECLARE_menufieldstring
 328 #undef PRVM_DECLARE_menufieldedict
 329 #undef PRVM_DECLARE_menufieldfunction
 330 #undef PRVM_DECLARE_serverfunction
 331 #undef PRVM_DECLARE_clientfunction
 332 #undef PRVM_DECLARE_menufunction
 333 #undef PRVM_DECLARE_field
 334 #undef PRVM_DECLARE_global
 335 #undef PRVM_DECLARE_function
 336 };
 337
 338 #define SV_REQGLOBALS (sizeof(sv_reqglobals) / sizeof(prvm_required_field_t))
 339
 340 prvm_required_field_t sv_reqglobals[] =
 341 {
 342 #define PRVM_DECLARE_serverglobalfloat(x) {ev_float, #x},
 343 #define PRVM_DECLARE_serverglobalvector(x) {ev_vector, #x},
 344 #define PRVM_DECLARE_serverglobalstring(x) {ev_string, #x},
 345 #define PRVM_DECLARE_serverglobaledict(x) {ev_entity, #x},
 346 #define PRVM_DECLARE_serverglobalfunction(x) {ev_function, #x},
 347 #define PRVM_DECLARE_clientglobalfloat(x)
 348 #define PRVM_DECLARE_clientglobalvector(x)
 349 #define PRVM_DECLARE_clientglobalstring(x)
 350 #define PRVM_DECLARE_clientglobaledict(x)
 351 #define PRVM_DECLARE_clientglobalfunction(x)
 352 #define PRVM_DECLARE_menuglobalfloat(x)
 353 #define PRVM_DECLARE_menuglobalvector(x)
 354 #define PRVM_DECLARE_menuglobalstring(x)
 355 #define PRVM_DECLARE_menuglobaledict(x)
 356 #define PRVM_DECLARE_menuglobalfunction(x)
 357 #define PRVM_DECLARE_serverfieldfloat(x)
 358 #define PRVM_DECLARE_serverfieldvector(x)
 359 #define PRVM_DECLARE_serverfieldstring(x)
 360 #define PRVM_DECLARE_serverfieldedict(x)
 361 #define PRVM_DECLARE_serverfieldfunction(x)
 362 #define PRVM_DECLARE_clientfieldfloat(x)
 363 #define PRVM_DECLARE_clientfieldvector(x)
 364 #define PRVM_DECLARE_clientfieldstring(x)
 365 #define PRVM_DECLARE_clientfieldedict(x)
 366 #define PRVM_DECLARE_clientfieldfunction(x)
 367 #define PRVM_DECLARE_menufieldfloat(x)
 368 #define PRVM_DECLARE_menufieldvector(x)
 369 #define PRVM_DECLARE_menufieldstring(x)
 370 #define PRVM_DECLARE_menufieldedict(x)
 371 #define PRVM_DECLARE_menufieldfunction(x)
 372 #define PRVM_DECLARE_serverfunction(x)
 373 #define PRVM_DECLARE_clientfunction(x)
 374 #define PRVM_DECLARE_menufunction(x)
 375 #define PRVM_DECLARE_field(x)
 376 #define PRVM_DECLARE_global(x)
 377 #define PRVM_DECLARE_function(x)
 378 #include "prvm_offsets.h"
 379 #undef PRVM_DECLARE_serverglobalfloat
 380 #undef PRVM_DECLARE_serverglobalvector
 381 #undef PRVM_DECLARE_serverglobalstring
 382 #undef PRVM_DECLARE_serverglobaledict
 383 #undef PRVM_DECLARE_serverglobalfunction
 384 #undef PRVM_DECLARE_clientglobalfloat
 385 #undef PRVM_DECLARE_clientglobalvector
 386 #undef PRVM_DECLARE_clientglobalstring
 387 #undef PRVM_DECLARE_clientglobaledict
 388 #undef PRVM_DECLARE_clientglobalfunction
 389 #undef PRVM_DECLARE_menuglobalfloat
 390 #undef PRVM_DECLARE_menuglobalvector
 391 #undef PRVM_DECLARE_menuglobalstring
 392 #undef PRVM_DECLARE_menuglobaledict
 393 #undef PRVM_DECLARE_menuglobalfunction
 394 #undef PRVM_DECLARE_serverfieldfloat
 395 #undef PRVM_DECLARE_serverfieldvector
 396 #undef PRVM_DECLARE_serverfieldstring
 397 #undef PRVM_DECLARE_serverfieldedict
 398 #undef PRVM_DECLARE_serverfieldfunction
 399 #undef PRVM_DECLARE_clientfieldfloat
 400 #undef PRVM_DECLARE_clientfieldvector
 401 #undef PRVM_DECLARE_clientfieldstring
 402 #undef PRVM_DECLARE_clientfieldedict
 403 #undef PRVM_DECLARE_clientfieldfunction
 404 #undef PRVM_DECLARE_menufieldfloat
 405 #undef PRVM_DECLARE_menufieldvector
 406 #undef PRVM_DECLARE_menufieldstring
 407 #undef PRVM_DECLARE_menufieldedict
 408 #undef PRVM_DECLARE_menufieldfunction
 409 #undef PRVM_DECLARE_serverfunction
 410 #undef PRVM_DECLARE_clientfunction
 411 #undef PRVM_DECLARE_menufunction
 412 #undef PRVM_DECLARE_field
 413 #undef PRVM_DECLARE_global
 414 #undef PRVM_DECLARE_function
 415 };
 416
 417 static void Host_Timescale_c(char *string)
 418 {
 419         double value;
 420         value = atof(string);
 421
 422         if(value < 0.00001 && value != 0)
 423                 string[0] = '0', string[1] = 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 (&sv_ratelimitlocalplayer);
 568         Cvar_RegisterVariable (&sv_sound_land);
 569         Cvar_RegisterVariable (&sv_sound_watersplash);
 570         Cvar_RegisterVariable (&sv_stepheight);
 571         Cvar_RegisterVariable (&sv_stopspeed);
 572         Cvar_RegisterVariable (&sv_wallfriction);
 573         Cvar_RegisterVariable (&sv_wateraccelerate);
 574         Cvar_RegisterVariable (&sv_waterfriction);
 575         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
 576         Cvar_RegisterVariable (&sv_warsowbunny_accel);
 577         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
 578         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
 579         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
 580         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
 581         Cvar_RegisterVariable (&sv_areadebug);
 582         Cvar_RegisterVariable (&sys_ticrate);
 583         Cvar_RegisterVariable (&teamplay);
 584         Cvar_RegisterVariable (&timelimit);
 585         Cvar_RegisterVariable (&sv_threaded);
 586
 587         Cvar_RegisterVariable (&saved1);
 588         Cvar_RegisterVariable (&saved2);
 589         Cvar_RegisterVariable (&saved3);
 590         Cvar_RegisterVariable (&saved4);
 591         Cvar_RegisterVariable (&savedgamecfg);
 592         Cvar_RegisterVariable (&scratch1);
 593         Cvar_RegisterVariable (&scratch2);
 594         Cvar_RegisterVariable (&scratch3);
 595         Cvar_RegisterVariable (&scratch4);
 596         Cvar_RegisterVariable (&temp1);
 597
 598         // LadyHavoc: Nehahra uses these to pass data around cutscene demos
 599         Cvar_RegisterVariable (&nehx00);
 600         Cvar_RegisterVariable (&nehx01);
 601         Cvar_RegisterVariable (&nehx02);
 602         Cvar_RegisterVariable (&nehx03);
 603         Cvar_RegisterVariable (&nehx04);
 604         Cvar_RegisterVariable (&nehx05);
 605         Cvar_RegisterVariable (&nehx06);
 606         Cvar_RegisterVariable (&nehx07);
 607         Cvar_RegisterVariable (&nehx08);
 608         Cvar_RegisterVariable (&nehx09);
 609         Cvar_RegisterVariable (&nehx10);
 610         Cvar_RegisterVariable (&nehx11);
 611         Cvar_RegisterVariable (&nehx12);
 612         Cvar_RegisterVariable (&nehx13);
 613         Cvar_RegisterVariable (&nehx14);
 614         Cvar_RegisterVariable (&nehx15);
 615         Cvar_RegisterVariable (&nehx16);
 616         Cvar_RegisterVariable (&nehx17);
 617         Cvar_RegisterVariable (&nehx18);
 618         Cvar_RegisterVariable (&nehx19);
 619         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
 620
 621         Cvar_RegisterVariable (&sv_autodemo_perclient);
 622         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
 623         Cvar_RegisterVariable (&sv_autodemo_perclient_discardable);
 624
 625         Cvar_RegisterVariable (&halflifebsp);
 626         Cvar_RegisterVariable (&sv_mapformat_is_quake2);
 627         Cvar_RegisterVariable (&sv_mapformat_is_quake3);
 628
 629         sv_mempool = Mem_AllocPool("server", 0, NULL);
 630 }
 631
 632 static void SV_SaveEntFile_f(cmd_state_t *cmd)
 633 {
 634         char vabuf[1024];
 635         if (!sv.active || !sv.worldmodel)
 636         {
 637                 Con_Print("Not running a server\n");
 638                 return;
 639         }
 640         FS_WriteFile(va(vabuf, sizeof(vabuf), "%s.ent", sv.worldnamenoextension), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
 641 }
 642
 643
 644 /*
 645 =============================================================================
 646
 647 EVENT MESSAGES
 648
 649 =============================================================================
 650 */
 651
 652 /*
 653 ==================
 654 SV_StartParticle
 655
 656 Make sure the event gets sent to all clients
 657 ==================
 658 */
 659 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 660 {
 661         int i;
 662
 663         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 664                 return;
 665         MSG_WriteByte (&sv.datagram, svc_particle);
 666         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 667         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 668         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 669         for (i=0 ; i<3 ; i++)
 670                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
 671         MSG_WriteByte (&sv.datagram, count);
 672         MSG_WriteByte (&sv.datagram, color);
 673         SV_FlushBroadcastMessages();
 674 }
 675
 676 /*
 677 ==================
 678 SV_StartEffect
 679
 680 Make sure the event gets sent to all clients
 681 ==================
 682 */
 683 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 684 {
 685         if (modelindex >= 256 || startframe >= 256)
 686         {
 687                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 688                         return;
 689                 MSG_WriteByte (&sv.datagram, svc_effect2);
 690                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 691                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 692                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 693                 MSG_WriteShort (&sv.datagram, modelindex);
 694                 MSG_WriteShort (&sv.datagram, startframe);
 695                 MSG_WriteByte (&sv.datagram, framecount);
 696                 MSG_WriteByte (&sv.datagram, framerate);
 697         }
 698         else
 699         {
 700                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 701                         return;
 702                 MSG_WriteByte (&sv.datagram, svc_effect);
 703                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 704                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 705                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 706                 MSG_WriteByte (&sv.datagram, modelindex);
 707                 MSG_WriteByte (&sv.datagram, startframe);
 708                 MSG_WriteByte (&sv.datagram, framecount);
 709                 MSG_WriteByte (&sv.datagram, framerate);
 710         }
 711         SV_FlushBroadcastMessages();
 712 }
 713
 714 /*
 715 ==================
 716 SV_StartSound
 717
 718 Each entity can have eight independant sound sources, like voice,
 719 weapon, feet, etc.
 720
 721 Channel 0 is an auto-allocate channel, the others override anything
 722 already running on that entity/channel pair.
 723
 724 An attenuation of 0 will play full volume everywhere in the level.
 725 Larger attenuations will drop off.  (max 4 attenuation)
 726
 727 ==================
 728 */
 729 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int nvolume, float attenuation, qboolean reliable, float speed)
 730 {
 731         prvm_prog_t *prog = SVVM_prog;
 732         sizebuf_t *dest;
 733         int sound_num, field_mask, i, ent, speed4000;
 734
 735         dest = (reliable ? &sv.reliable_datagram : &sv.datagram);
 736
 737         if (nvolume < 0 || nvolume > 255)
 738         {
 739                 Con_Printf ("SV_StartSound: volume = %i\n", nvolume);
 740                 return;
 741         }
 742
 743         if (attenuation < 0 || attenuation > 4)
 744         {
 745                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
 746                 return;
 747         }
 748
 749         if (!IS_CHAN(channel))
 750         {
 751                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
 752                 return;
 753         }
 754
 755         channel = CHAN_ENGINE2NET(channel);
 756
 757         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 758                 return;
 759
 760 // find precache number for sound
 761         sound_num = SV_SoundIndex(sample, 1);
 762         if (!sound_num)
 763                 return;
 764
 765         ent = PRVM_NUM_FOR_EDICT(entity);
 766
 767         speed4000 = (int)floor(speed * 4000.0f + 0.5f);
 768         field_mask = 0;
 769         if (nvolume != DEFAULT_SOUND_PACKET_VOLUME)
 770                 field_mask |= SND_VOLUME;
 771         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 772                 field_mask |= SND_ATTENUATION;
 773         if (speed4000 && speed4000 != 4000)
 774                 field_mask |= SND_SPEEDUSHORT4000;
 775         if (ent >= 8192 || channel < 0 || channel > 7)
 776                 field_mask |= SND_LARGEENTITY;
 777         if (sound_num >= 256)
 778                 field_mask |= SND_LARGESOUND;
 779
 780 // directed messages go only to the entity they are targeted on
 781         MSG_WriteByte (dest, svc_sound);
 782         MSG_WriteByte (dest, field_mask);
 783         if (field_mask & SND_VOLUME)
 784                 MSG_WriteByte (dest, nvolume);
 785         if (field_mask & SND_ATTENUATION)
 786                 MSG_WriteByte (dest, (int)(attenuation*64));
 787         if (field_mask & SND_SPEEDUSHORT4000)
 788                 MSG_WriteShort (dest, speed4000);
 789         if (field_mask & SND_LARGEENTITY)
 790         {
 791                 MSG_WriteShort (dest, ent);
 792                 MSG_WriteChar (dest, channel);
 793         }
 794         else
 795                 MSG_WriteShort (dest, (ent<<3) | channel);
 796         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
 797                 MSG_WriteShort (dest, sound_num);
 798         else
 799                 MSG_WriteByte (dest, sound_num);
 800         for (i = 0;i < 3;i++)
 801                 MSG_WriteCoord (dest, PRVM_serveredictvector(entity, origin)[i]+0.5*(PRVM_serveredictvector(entity, mins)[i]+PRVM_serveredictvector(entity, maxs)[i]), sv.protocol);
 802
 803         // TODO do we have to do anything here when dest is &sv.reliable_datagram?
 804         if(!reliable)
 805                 SV_FlushBroadcastMessages();
 806 }
 807
 808 /*
 809 ==================
 810 SV_StartPointSound
 811
 812 Nearly the same logic as SV_StartSound, except an origin
 813 instead of an entity is provided and channel is omitted.
 814
 815 The entity sent to the client is 0 (world) and the channel
 816 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
 817 function, therefore the check for it is omitted.
 818
 819 ==================
 820 */
 821 void SV_StartPointSound (vec3_t origin, const char *sample, int nvolume, float attenuation, float speed)
 822 {
 823         int sound_num, field_mask, i, speed4000;
 824
 825         if (nvolume < 0 || nvolume > 255)
 826         {
 827                 Con_Printf ("SV_StartPointSound: volume = %i\n", nvolume);
 828                 return;
 829         }
 830
 831         if (attenuation < 0 || attenuation > 4)
 832         {
 833                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
 834                 return;
 835         }
 836
 837         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 838                 return;
 839
 840         // find precache number for sound
 841         sound_num = SV_SoundIndex(sample, 1);
 842         if (!sound_num)
 843                 return;
 844
 845         speed4000 = (int)(speed * 40.0f);
 846         field_mask = 0;
 847         if (nvolume != DEFAULT_SOUND_PACKET_VOLUME)
 848                 field_mask |= SND_VOLUME;
 849         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 850                 field_mask |= SND_ATTENUATION;
 851         if (sound_num >= 256)
 852                 field_mask |= SND_LARGESOUND;
 853         if (speed4000 && speed4000 != 4000)
 854                 field_mask |= SND_SPEEDUSHORT4000;
 855
 856 // directed messages go only to the entity they are targeted on
 857         MSG_WriteByte (&sv.datagram, svc_sound);
 858         MSG_WriteByte (&sv.datagram, field_mask);
 859         if (field_mask & SND_VOLUME)
 860                 MSG_WriteByte (&sv.datagram, nvolume);
 861         if (field_mask & SND_ATTENUATION)
 862                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 863         if (field_mask & SND_SPEEDUSHORT4000)
 864                 MSG_WriteShort (&sv.datagram, speed4000);
 865         // Always write entnum 0 for the world entity
 866         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
 867         if (field_mask & SND_LARGESOUND)
 868                 MSG_WriteShort (&sv.datagram, sound_num);
 869         else
 870                 MSG_WriteByte (&sv.datagram, sound_num);
 871         for (i = 0;i < 3;i++)
 872                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
 873         SV_FlushBroadcastMessages();
 874 }
 875
 876 /*
 877 ==============================================================================
 878
 879 CLIENT SPAWNING
 880
 881 ==============================================================================
 882 */
 883
 884 /*
 885 ================
 886 SV_SendServerinfo
 887
 888 Sends the first message from the server to a connected client.
 889 This will be sent on the initial connection and upon each server load.
 890 ================
 891 */
 892 void SV_SendServerinfo (client_t *client)
 893 {
 894         prvm_prog_t *prog = SVVM_prog;
 895         int i;
 896         char message[128];
 897         char vabuf[1024];
 898
 899         // we know that this client has a netconnection and thus is not a bot
 900
 901         // edicts get reallocated on level changes, so we need to update it here
 902         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
 903
 904         // clear cached stuff that depends on the level
 905         client->weaponmodel[0] = 0;
 906         client->weaponmodelindex = 0;
 907
 908         // LadyHavoc: clear entityframe tracking
 909         client->latestframenum = 0;
 910
 911         // initialize the movetime, so a speedhack can't make use of the time before this client joined
 912         client->cmd.time = sv.time;
 913
 914         if (client->entitydatabase)
 915                 EntityFrame_FreeDatabase(client->entitydatabase);
 916         if (client->entitydatabase4)
 917                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 918         if (client->entitydatabase5)
 919                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 920
 921         memset(client->stats, 0, sizeof(client->stats));
 922         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
 923
 924         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)
 925         {
 926                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 927                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
 928                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
 929                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
 930                 else
 931                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
 932         }
 933
 934         // reset csqc entity versions
 935         for (i = 0;i < prog->max_edicts;i++)
 936         {
 937                 client->csqcentityscope[i] = 0;
 938                 client->csqcentitysendflags[i] = 0xFFFFFF;
 939         }
 940         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
 941         {
 942                 client->csqcentityframehistory[i].num = 0;
 943                 client->csqcentityframehistory[i].framenum = -1;
 944         }
 945         client->csqcnumedicts = 0;
 946         client->csqcentityframehistory_next = 0;
 947
 948         SZ_Clear (&client->netconnection->message);
 949         MSG_WriteByte (&client->netconnection->message, svc_print);
 950         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)\n", gamename, buildstring, prog->filecrc);
 951         MSG_WriteString (&client->netconnection->message,message);
 952
 953         SV_StopDemoRecording(client); // to split up demos into different files
 954         if(sv_autodemo_perclient.integer)
 955         {
 956                 char demofile[MAX_OSPATH];
 957                 char ipaddress[MAX_QPATH];
 958                 size_t j;
 959
 960                 // start a new demo file
 961                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
 962                 for(j = 0; ipaddress[j]; ++j)
 963                         if(!isalnum(ipaddress[j]))
 964                                 ipaddress[j] = '-';
 965                 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);
 966
 967                 SV_StartDemoRecording(client, demofile, -1);
 968         }
 969
 970         //[515]: init csprogs according to version of svprogs, check the crc, etc.
 971         if (sv.csqc_progname[0])
 972         {
 973                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
 974                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 975                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progname %s\n", sv.csqc_progname));
 976                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 977                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progsize %i\n", sv.csqc_progsize));
 978                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 979                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progcrc %i\n", sv.csqc_progcrc));
 980
 981                 if(client->sv_demo_file != NULL)
 982                 {
 983                         int k;
 984                         static char buf[NET_MAXMESSAGE];
 985                         sizebuf_t sb;
 986
 987                         sb.data = (unsigned char *) buf;
 988                         sb.maxsize = sizeof(buf);
 989                         k = 0;
 990                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, k++, &sb, sv.protocol))
 991                                 SV_WriteDemoMessage(client, &sb, false);
 992                 }
 993
 994                 //[515]: init stufftext string (it is sent before svc_serverinfo)
 995                 if (PRVM_GetString(prog, PRVM_serverglobalstring(SV_InitCmd)))
 996                 {
 997                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 998                         MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "%s\n", PRVM_GetString(prog, PRVM_serverglobalstring(SV_InitCmd))));
 999                 }
1000         }
1001
1002         //if (sv_allowdownloads.integer)
1003         // always send the info that the server supports the protocol, even if downloads are forbidden
1004         // only because of that, the CSQC exception can work
1005         {
1006                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
1007                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
1008         }
1009
1010         // send at this time so it's guaranteed to get executed at the right time
1011         {
1012                 client_t *save;
1013                 save = host_client;
1014                 host_client = client;
1015                 Curl_SendRequirements();
1016                 host_client = save;
1017         }
1018
1019         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
1020         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
1021         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
1022
1023         if (!coop.integer && deathmatch.integer)
1024                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
1025         else
1026                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
1027
1028         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog, PRVM_serveredictstring(prog->edicts, message)));
1029
1030         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
1031                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
1032         MSG_WriteByte (&client->netconnection->message, 0);
1033
1034         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
1035                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
1036         MSG_WriteByte (&client->netconnection->message, 0);
1037
1038 // send music
1039         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
1040         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
1041         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
1042
1043 // set view
1044 // store this in clientcamera, too
1045         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
1046         MSG_WriteByte (&client->netconnection->message, svc_setview);
1047         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
1048
1049         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
1050         MSG_WriteByte (&client->netconnection->message, 1);
1051
1052         client->prespawned = false;             // need prespawn, spawn, etc
1053         client->spawned = false;                // need prespawn, spawn, etc
1054         client->begun = false;                  // need prespawn, spawn, etc
1055         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
1056
1057         // clear movement info until client enters the new level properly
1058         memset(&client->cmd, 0, sizeof(client->cmd));
1059         client->movesequence = 0;
1060         client->movement_highestsequence_seen = 0;
1061         memset(&client->movement_count, 0, sizeof(client->movement_count));
1062 #ifdef NUM_PING_TIMES
1063         for (i = 0;i < NUM_PING_TIMES;i++)
1064                 client->ping_times[i] = 0;
1065         client->num_pings = 0;
1066 #endif
1067         client->ping = 0;
1068
1069         // allow the client some time to send his keepalives, even if map loading took ages
1070         client->netconnection->timeout = host.realtime + net_connecttimeout.value;
1071 }
1072
1073 /*
1074 ================
1075 SV_ConnectClient
1076
1077 Initializes a client_t for a new net connection.  This will only be called
1078 once for a player each game, not once for each level change.
1079 ================
1080 */
1081 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
1082 {
1083         prvm_prog_t *prog = SVVM_prog;
1084         client_t                *client;
1085         int                             i;
1086
1087         client = svs.clients + clientnum;
1088
1089 // set up the client_t
1090         if (sv.loadgame)
1091         {
1092                 float backupparms[NUM_SPAWN_PARMS];
1093                 memcpy(backupparms, client->spawn_parms, sizeof(backupparms));
1094                 memset(client, 0, sizeof(*client));
1095                 memcpy(client->spawn_parms, backupparms, sizeof(backupparms));
1096         }
1097         else
1098                 memset(client, 0, sizeof(*client));
1099         client->active = true;
1100         client->netconnection = netconnection;
1101
1102         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
1103
1104         if(client->netconnection && client->netconnection->crypto.authenticated)
1105         {
1106                 Con_Printf("%s connection to %s has been established: client is %s@%s%.*s, I am %.*s@%s%.*s\n",
1107                                 client->netconnection->crypto.use_aes ? "Encrypted" : "Authenticated",
1108                                 client->netconnection->address,
1109                                 client->netconnection->crypto.client_idfp[0] ? client->netconnection->crypto.client_idfp : "-",
1110                                 (client->netconnection->crypto.client_issigned || !client->netconnection->crypto.client_keyfp[0]) ? "" : "~",
1111                                 crypto_keyfp_recommended_length, client->netconnection->crypto.client_keyfp[0] ? client->netconnection->crypto.client_keyfp : "-",
1112                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_idfp[0] ? client->netconnection->crypto.server_idfp : "-",
1113                                 (client->netconnection->crypto.server_issigned || !client->netconnection->crypto.server_keyfp[0]) ? "" : "~",
1114                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_keyfp[0] ? client->netconnection->crypto.server_keyfp : "-"
1115                                 );
1116         }
1117
1118         strlcpy(client->name, "unconnected", sizeof(client->name));
1119         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
1120         client->prespawned = false;
1121         client->spawned = false;
1122         client->begun = false;
1123         client->edict = PRVM_EDICT_NUM(clientnum+1);
1124         if (client->netconnection)
1125                 client->netconnection->message.allowoverflow = true;            // we can catch it
1126         // prepare the unreliable message buffer
1127         client->unreliablemsg.data = client->unreliablemsg_data;
1128         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
1129         // updated by receiving "rate" command from client, this is also the default if not using a DP client
1130         client->rate = 1000000000;
1131         client->connecttime = host.realtime;
1132
1133         if (!sv.loadgame)
1134         {
1135                 // call the progs to get default spawn parms for the new client
1136                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
1137                 PRVM_serverglobalfloat(time) = sv.time;
1138                 PRVM_serverglobaledict(self) = 0;
1139                 prog->ExecuteProgram(prog, PRVM_serverfunction(SetNewParms), "QC function SetNewParms is missing");
1140                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1141                         client->spawn_parms[i] = (&PRVM_serverglobalfloat(parm1))[i];
1142
1143                 // set up the entity for this client (including .colormap, .team, etc)
1144                 PRVM_ED_ClearEdict(prog, client->edict);
1145         }
1146
1147         // don't call SendServerinfo for a fresh botclient because its fields have
1148         // not been set up by the qc yet
1149         if (client->netconnection)
1150                 SV_SendServerinfo (client);
1151         else
1152                 client->prespawned = client->spawned = client->begun = true;
1153 }
1154
1155 /*
1156 =====================
1157 SV_DropClient
1158
1159 Called when the player is getting totally kicked off the host
1160 if (crash = true), don't bother sending signofs
1161 =====================
1162 */
1163 void SV_DropClient(qboolean crash)
1164 {
1165         prvm_prog_t *prog = SVVM_prog;
1166         int i;
1167         Con_Printf("Client \"%s\" dropped\n", host_client->name);
1168
1169         SV_StopDemoRecording(host_client);
1170
1171         // make sure edict is not corrupt (from a level change for example)
1172         host_client->edict = PRVM_EDICT_NUM(host_client - svs.clients + 1);
1173
1174         if (host_client->netconnection)
1175         {
1176                 // tell the client to be gone
1177                 if (!crash)
1178                 {
1179                         // LadyHavoc: no opportunity for resending, so use unreliable 3 times
1180                         unsigned char bufdata[8];
1181                         sizebuf_t buf;
1182                         memset(&buf, 0, sizeof(buf));
1183                         buf.data = bufdata;
1184                         buf.maxsize = sizeof(bufdata);
1185                         MSG_WriteByte(&buf, svc_disconnect);
1186                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, 0, false);
1187                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, 0, false);
1188                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, 0, false);
1189                 }
1190         }
1191
1192         // call qc ClientDisconnect function
1193         // LadyHavoc: don't call QC if server is dead (avoids recursive
1194         // Host_Error in some mods when they run out of edicts)
1195         if (host_client->clientconnectcalled && sv.active && host_client->edict)
1196         {
1197                 // call the prog function for removing a client
1198                 // this will set the body to a dead frame, among other things
1199                 int saveSelf = PRVM_serverglobaledict(self);
1200                 host_client->clientconnectcalled = false;
1201                 PRVM_serverglobalfloat(time) = sv.time;
1202                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
1203                 prog->ExecuteProgram(prog, PRVM_serverfunction(ClientDisconnect), "QC function ClientDisconnect is missing");
1204                 PRVM_serverglobaledict(self) = saveSelf;
1205         }
1206
1207         if (host_client->netconnection)
1208         {
1209                 // break the net connection
1210                 NetConn_Close(host_client->netconnection);
1211                 host_client->netconnection = NULL;
1212         }
1213
1214         // if a download is active, close it
1215         if (host_client->download_file)
1216         {
1217                 Con_DPrintf("Download of %s aborted when %s dropped\n", host_client->download_name, host_client->name);
1218                 FS_Close(host_client->download_file);
1219                 host_client->download_file = NULL;
1220                 host_client->download_name[0] = 0;
1221                 host_client->download_expectedposition = 0;
1222                 host_client->download_started = false;
1223         }
1224
1225         // remove leaving player from scoreboard
1226         host_client->name[0] = 0;
1227         host_client->colors = 0;
1228         host_client->frags = 0;
1229         // send notification to all clients
1230         // get number of client manually just to make sure we get it right...
1231         i = host_client - svs.clients;
1232         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
1233         MSG_WriteByte (&sv.reliable_datagram, i);
1234         MSG_WriteString (&sv.reliable_datagram, host_client->name);
1235         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
1236         MSG_WriteByte (&sv.reliable_datagram, i);
1237         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
1238         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
1239         MSG_WriteByte (&sv.reliable_datagram, i);
1240         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
1241
1242         // free the client now
1243         if (host_client->entitydatabase)
1244                 EntityFrame_FreeDatabase(host_client->entitydatabase);
1245         if (host_client->entitydatabase4)
1246                 EntityFrame4_FreeDatabase(host_client->entitydatabase4);
1247         if (host_client->entitydatabase5)
1248                 EntityFrame5_FreeDatabase(host_client->entitydatabase5);
1249
1250         if (sv.active)
1251         {
1252                 // clear a fields that matter to DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS, and also frags
1253                 PRVM_ED_ClearEdict(prog, host_client->edict);
1254         }
1255
1256         // clear the client struct (this sets active to false)
1257         memset(host_client, 0, sizeof(*host_client));
1258
1259         // update server listing on the master because player count changed
1260         // (which the master uses for filtering empty/full servers)
1261         NetConn_Heartbeat(1);
1262
1263         if (sv.loadgame)
1264         {
1265                 for (i = 0;i < svs.maxclients;i++)
1266                         if (svs.clients[i].active && !svs.clients[i].spawned)
1267                                 break;
1268                 if (i == svs.maxclients)
1269                 {
1270                         Con_Printf("Loaded game, everyone rejoined - unpausing\n");
1271                         sv.paused = sv.loadgame = false; // we're basically done with loading now
1272                 }
1273         }
1274 }
1275
1276 /*
1277 ===============================================================================
1278
1279 FRAME UPDATES
1280
1281 ===============================================================================
1282 */
1283
1284 /*
1285 =============================================================================
1286
1287 The PVS must include a small area around the client to allow head bobbing
1288 or other small motion on the client side.  Otherwise, a bob might cause an
1289 entity that should be visible to not show up, especially when the bob
1290 crosses a waterline.
1291
1292 =============================================================================
1293 */
1294
1295 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1296 {
1297         prvm_prog_t *prog = SVVM_prog;
1298         int i;
1299         unsigned int sendflags;
1300         unsigned int version;
1301         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1302         unsigned int customizeentityforclient;
1303         unsigned int sendentity;
1304         float f;
1305         prvm_vec_t *v;
1306         vec3_t cullmins, cullmaxs;
1307         dp_model_t *model;
1308
1309         // fast path for games that do not use legacy entity networking
1310         // note: still networks clients even if they are legacy
1311         sendentity = PRVM_serveredictfunction(ent, SendEntity);
1312         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1313                 return false;
1314
1315         // this 2 billion unit check is actually to detect NAN origins
1316         // (we really don't want to send those)
1317         if (!(VectorLength2(PRVM_serveredictvector(ent, origin)) < 2000000000.0*2000000000.0))
1318                 return false;
1319
1320         // EF_NODRAW prevents sending for any reason except for your own
1321         // client, so we must keep all clients in this superset
1322         effects = (unsigned)PRVM_serveredictfloat(ent, effects);
1323
1324         // we can omit invisible entities with no effects that are not clients
1325         // LadyHavoc: this could kill tags attached to an invisible entity, I
1326         // just hope we never have to support that case
1327         i = (int)PRVM_serveredictfloat(ent, modelindex);
1328         modelindex = (i >= 1 && i < MAX_MODELS && PRVM_serveredictstring(ent, model) && *PRVM_GetString(prog, PRVM_serveredictstring(ent, model)) && sv.models[i]) ? i : 0;
1329
1330         flags = 0;
1331         i = (int)(PRVM_serveredictfloat(ent, glow_size) * 0.25f);
1332         glowsize = (unsigned char)bound(0, i, 255);
1333         if (PRVM_serveredictfloat(ent, glow_trail))
1334                 flags |= RENDER_GLOWTRAIL;
1335         if (PRVM_serveredictedict(ent, viewmodelforclient))
1336                 flags |= RENDER_VIEWMODEL;
1337
1338         v = PRVM_serveredictvector(ent, color);
1339         f = v[0]*256;
1340         light[0] = (unsigned short)bound(0, f, 65535);
1341         f = v[1]*256;
1342         light[1] = (unsigned short)bound(0, f, 65535);
1343         f = v[2]*256;
1344         light[2] = (unsigned short)bound(0, f, 65535);
1345         f = PRVM_serveredictfloat(ent, light_lev);
1346         light[3] = (unsigned short)bound(0, f, 65535);
1347         lightstyle = (unsigned char)PRVM_serveredictfloat(ent, style);
1348         lightpflags = (unsigned char)PRVM_serveredictfloat(ent, pflags);
1349
1350         if (gamemode == GAME_TENEBRAE)
1351         {
1352                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1353                 if (effects & 16)
1354                 {
1355                         effects &= ~16;
1356                         lightpflags |= PFLAGS_FULLDYNAMIC;
1357                 }
1358                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1359                 if (effects & 32)
1360                 {
1361                         effects &= ~32;
1362                         light[0] = (int)(0.2*256);
1363                         light[1] = (int)(1.0*256);
1364                         light[2] = (int)(0.2*256);
1365                         light[3] = 200;
1366                         lightpflags |= PFLAGS_FULLDYNAMIC;
1367                 }
1368         }
1369
1370         specialvisibilityradius = 0;
1371         if (lightpflags & PFLAGS_FULLDYNAMIC)
1372                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1373         if (glowsize)
1374                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1375         if (flags & RENDER_GLOWTRAIL)
1376                 specialvisibilityradius = max(specialvisibilityradius, 100);
1377         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1378         {
1379                 if (effects & EF_BRIGHTFIELD)
1380                         specialvisibilityradius = max(specialvisibilityradius, 80);
1381                 if (effects & EF_MUZZLEFLASH)
1382                         specialvisibilityradius = max(specialvisibilityradius, 100);
1383                 if (effects & EF_BRIGHTLIGHT)
1384                         specialvisibilityradius = max(specialvisibilityradius, 400);
1385                 if (effects & EF_DIMLIGHT)
1386                         specialvisibilityradius = max(specialvisibilityradius, 200);
1387                 if (effects & EF_RED)
1388                         specialvisibilityradius = max(specialvisibilityradius, 200);
1389                 if (effects & EF_BLUE)
1390                         specialvisibilityradius = max(specialvisibilityradius, 200);
1391                 if (effects & EF_FLAME)
1392                         specialvisibilityradius = max(specialvisibilityradius, 250);
1393                 if (effects & EF_STARDUST)
1394                         specialvisibilityradius = max(specialvisibilityradius, 100);
1395         }
1396
1397         // early culling checks
1398         // (final culling is done by SV_MarkWriteEntityStateToClient)
1399         customizeentityforclient = PRVM_serveredictfunction(ent, customizeentityforclient);
1400         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1401                 return false;
1402
1403         *cs = defaultstate;
1404         cs->active = ACTIVE_NETWORK;
1405         cs->number = enumber;
1406         VectorCopy(PRVM_serveredictvector(ent, origin), cs->origin);
1407         VectorCopy(PRVM_serveredictvector(ent, angles), cs->angles);
1408         cs->flags = flags;
1409         cs->effects = effects;
1410         cs->colormap = (unsigned)PRVM_serveredictfloat(ent, colormap);
1411         cs->modelindex = modelindex;
1412         cs->skin = (unsigned)PRVM_serveredictfloat(ent, skin);
1413         cs->frame = (unsigned)PRVM_serveredictfloat(ent, frame);
1414         cs->viewmodelforclient = PRVM_serveredictedict(ent, viewmodelforclient);
1415         cs->exteriormodelforclient = PRVM_serveredictedict(ent, exteriormodeltoclient);
1416         cs->nodrawtoclient = PRVM_serveredictedict(ent, nodrawtoclient);
1417         cs->drawonlytoclient = PRVM_serveredictedict(ent, drawonlytoclient);
1418         cs->customizeentityforclient = customizeentityforclient;
1419         cs->tagentity = PRVM_serveredictedict(ent, tag_entity);
1420         cs->tagindex = (unsigned char)PRVM_serveredictfloat(ent, tag_index);
1421         cs->glowsize = glowsize;
1422         cs->traileffectnum = PRVM_serveredictfloat(ent, traileffectnum);
1423
1424         // don't need to init cs->colormod because the defaultstate did that for us
1425         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1426         v = PRVM_serveredictvector(ent, colormod);
1427         if (VectorLength2(v))
1428         {
1429                 i = (int)(v[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1430                 i = (int)(v[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1431                 i = (int)(v[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1432         }
1433
1434         // don't need to init cs->glowmod because the defaultstate did that for us
1435         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1436         v = PRVM_serveredictvector(ent, glowmod);
1437         if (VectorLength2(v))
1438         {
1439                 i = (int)(v[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1440                 i = (int)(v[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1441                 i = (int)(v[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1442         }
1443
1444         cs->modelindex = modelindex;
1445
1446         cs->alpha = 255;
1447         f = (PRVM_serveredictfloat(ent, alpha) * 255.0f);
1448         if (f)
1449         {
1450                 i = (int)f;
1451                 cs->alpha = (unsigned char)bound(0, i, 255);
1452         }
1453         // halflife
1454         f = (PRVM_serveredictfloat(ent, renderamt));
1455         if (f)
1456         {
1457                 i = (int)f;
1458                 cs->alpha = (unsigned char)bound(0, i, 255);
1459         }
1460
1461         cs->scale = 16;
1462         f = (PRVM_serveredictfloat(ent, scale) * 16.0f);
1463         if (f)
1464         {
1465                 i = (int)f;
1466                 cs->scale = (unsigned char)bound(0, i, 255);
1467         }
1468
1469         cs->glowcolor = 254;
1470         f = PRVM_serveredictfloat(ent, glow_color);
1471         if (f)
1472                 cs->glowcolor = (int)f;
1473
1474         if (PRVM_serveredictfloat(ent, fullbright))
1475                 cs->effects |= EF_FULLBRIGHT;
1476
1477         f = PRVM_serveredictfloat(ent, modelflags);
1478         if (f)
1479                 cs->effects |= ((unsigned int)f & 0xff) << 24;
1480
1481         if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
1482                 cs->flags |= RENDER_STEP;
1483         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)
1484                 cs->flags |= RENDER_LOWPRECISION;
1485         if (PRVM_serveredictfloat(ent, colormap) >= 1024)
1486                 cs->flags |= RENDER_COLORMAPPED;
1487         if (cs->viewmodelforclient)
1488                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1489
1490         if (PRVM_serveredictfloat(ent, sendcomplexanimation))
1491         {
1492                 cs->flags |= RENDER_COMPLEXANIMATION;
1493                 if (PRVM_serveredictfloat(ent, skeletonindex) >= 1)
1494                         cs->skeletonobject = ent->priv.server->skeleton;
1495                 cs->framegroupblend[0].frame = PRVM_serveredictfloat(ent, frame);
1496                 cs->framegroupblend[1].frame = PRVM_serveredictfloat(ent, frame2);
1497                 cs->framegroupblend[2].frame = PRVM_serveredictfloat(ent, frame3);
1498                 cs->framegroupblend[3].frame = PRVM_serveredictfloat(ent, frame4);
1499                 cs->framegroupblend[0].start = PRVM_serveredictfloat(ent, frame1time);
1500                 cs->framegroupblend[1].start = PRVM_serveredictfloat(ent, frame2time);
1501                 cs->framegroupblend[2].start = PRVM_serveredictfloat(ent, frame3time);
1502                 cs->framegroupblend[3].start = PRVM_serveredictfloat(ent, frame4time);
1503                 cs->framegroupblend[1].lerp = PRVM_serveredictfloat(ent, lerpfrac);
1504                 cs->framegroupblend[2].lerp = PRVM_serveredictfloat(ent, lerpfrac3);
1505                 cs->framegroupblend[3].lerp = PRVM_serveredictfloat(ent, lerpfrac4);
1506                 cs->framegroupblend[0].lerp = 1.0f - cs->framegroupblend[1].lerp - cs->framegroupblend[2].lerp - cs->framegroupblend[3].lerp;
1507                 cs->frame = 0; // don't need the legacy frame
1508         }
1509
1510         cs->light[0] = light[0];
1511         cs->light[1] = light[1];
1512         cs->light[2] = light[2];
1513         cs->light[3] = light[3];
1514         cs->lightstyle = lightstyle;
1515         cs->lightpflags = lightpflags;
1516
1517         cs->specialvisibilityradius = specialvisibilityradius;
1518
1519         // calculate the visible box of this entity (don't use the physics box
1520         // as that is often smaller than a model, and would not count
1521         // specialvisibilityradius)
1522         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1523         {
1524                 float scale = cs->scale * (1.0f / 16.0f);
1525                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1526                 {
1527                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1528                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1529                 }
1530                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1531                 {
1532                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1533                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1534                 }
1535                 else
1536                 {
1537                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1538                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1539                 }
1540         }
1541         else
1542         {
1543                 // if there is no model (or it could not be loaded), use the physics box
1544                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, mins), cullmins);
1545                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, maxs), cullmaxs);
1546         }
1547         if (specialvisibilityradius)
1548         {
1549                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1550                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1551                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1552                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1553                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1554                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1555         }
1556
1557         // calculate center of bbox for network prioritization purposes
1558         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1559
1560         // if culling box has moved, update pvs cluster links
1561         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1562         {
1563                 VectorCopy(cullmins, ent->priv.server->cullmins);
1564                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1565                 // a value of -1 for pvs_numclusters indicates that the links are not
1566                 // cached, and should be re-tested each time, this is the case if the
1567                 // culling box touches too many pvs clusters to store, or if the world
1568                 // model does not support FindBoxClusters
1569                 ent->priv.server->pvs_numclusters = -1;
1570                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1571                 {
1572                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1573                         if (i <= MAX_ENTITYCLUSTERS)
1574                                 ent->priv.server->pvs_numclusters = i;
1575                 }
1576         }
1577
1578         // we need to do some csqc entity upkeep here
1579         // get self.SendFlags and clear them
1580         // (to let the QC know that they've been read)
1581         if (sendentity)
1582         {
1583                 sendflags = (unsigned int)PRVM_serveredictfloat(ent, SendFlags);
1584                 PRVM_serveredictfloat(ent, SendFlags) = 0;
1585                 // legacy self.Version system
1586                 if ((version = (unsigned int)PRVM_serveredictfloat(ent, Version)))
1587                 {
1588                         if (sv.csqcentityversion[enumber] != version)
1589                                 sendflags = 0xFFFFFF;
1590                         sv.csqcentityversion[enumber] = version;
1591                 }
1592                 // move sendflags into the per-client sendflags
1593                 if (sendflags)
1594                         for (i = 0;i < svs.maxclients;i++)
1595                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1596                 // mark it as inactive for non-csqc networking
1597                 cs->active = ACTIVE_SHARED;
1598         }
1599
1600         return true;
1601 }
1602
1603 static void SV_PrepareEntitiesForSending(void)
1604 {
1605         prvm_prog_t *prog = SVVM_prog;
1606         int e;
1607         prvm_edict_t *ent;
1608         // send all entities that touch the pvs
1609         sv.numsendentities = 0;
1610         sv.sendentitiesindex[0] = NULL;
1611         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1612         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1613         {
1614                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1615                 {
1616                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1617                         sv.numsendentities++;
1618                 }
1619         }
1620 }
1621
1622 #define MAX_LINEOFSIGHTTRACES 64
1623
1624 qboolean SV_CanSeeBox(int numtraces, vec_t eyejitter, vec_t enlarge, vec_t entboxexpand, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1625 {
1626         prvm_prog_t *prog = SVVM_prog;
1627         float pitchsign;
1628         float alpha;
1629         float starttransformed[3], endtransformed[3];
1630         float boxminstransformed[3], boxmaxstransformed[3];
1631         float localboxcenter[3], localboxextents[3], localboxmins[3], localboxmaxs[3];
1632         int blocked = 0;
1633         int traceindex;
1634         int originalnumtouchedicts;
1635         int numtouchedicts = 0;
1636         int touchindex;
1637         matrix4x4_t matrix, imatrix;
1638         dp_model_t *model;
1639         prvm_edict_t *touch;
1640         static prvm_edict_t *touchedicts[MAX_EDICTS];
1641         vec3_t eyemins, eyemaxs, start;
1642         vec3_t boxmins, boxmaxs;
1643         vec3_t clipboxmins, clipboxmaxs;
1644         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1645
1646         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1647
1648         // jitter the eye location within this box
1649         eyemins[0] = eye[0] - eyejitter;
1650         eyemaxs[0] = eye[0] + eyejitter;
1651         eyemins[1] = eye[1] - eyejitter;
1652         eyemaxs[1] = eye[1] + eyejitter;
1653         eyemins[2] = eye[2] - eyejitter;
1654         eyemaxs[2] = eye[2] + eyejitter;
1655         // expand the box a little
1656         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0] - entboxexpand;
1657         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0] + entboxexpand;
1658         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1] - entboxexpand;
1659         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1] + entboxexpand;
1660         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2] - entboxexpand;
1661         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2] + entboxexpand;
1662
1663         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1664         for (traceindex = 1;traceindex < numtraces;traceindex++)
1665                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1666
1667         // calculate sweep box for the entire swarm of traces
1668         VectorCopy(eyemins, clipboxmins);
1669         VectorCopy(eyemaxs, clipboxmaxs);
1670         for (traceindex = 0;traceindex < numtraces;traceindex++)
1671         {
1672                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1673                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1674                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1675                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1676                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1677                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1678         }
1679
1680         // get the list of entities in the sweep box
1681         if (sv_cullentities_trace_entityocclusion.integer)
1682                 numtouchedicts = SV_EntitiesInBox(clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1683         if (numtouchedicts > MAX_EDICTS)
1684         {
1685                 // this never happens
1686                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1687                 numtouchedicts = MAX_EDICTS;
1688         }
1689         // iterate the entities found in the sweep box and filter them
1690         originalnumtouchedicts = numtouchedicts;
1691         numtouchedicts = 0;
1692         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1693         {
1694                 touch = touchedicts[touchindex];
1695                 if (PRVM_serveredictfloat(touch, solid) != SOLID_BSP)
1696                         continue;
1697                 model = SV_GetModelFromEdict(touch);
1698                 if (!model || !model->brush.TraceLineOfSight)
1699                         continue;
1700                 // skip obviously transparent entities
1701                 alpha = PRVM_serveredictfloat(touch, alpha);
1702                 if (alpha && alpha < 1)
1703                         continue;
1704                 if ((int)PRVM_serveredictfloat(touch, effects) & EF_ADDITIVE)
1705                         continue;
1706                 touchedicts[numtouchedicts++] = touch;
1707         }
1708
1709         // now that we have a filtered list of "interesting" entities, fire each
1710         // ray against all of them, this gives us an early-out case when something
1711         // is visible (which it often is)
1712
1713         for (traceindex = 0;traceindex < numtraces;traceindex++)
1714         {
1715                 VectorSet(start, lhrandom(eyemins[0], eyemaxs[0]), lhrandom(eyemins[1], eyemaxs[1]), lhrandom(eyemins[2], eyemaxs[2]));
1716                 // check world occlusion
1717                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1718                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, start, endpoints[traceindex], boxmins, boxmaxs))
1719                                 continue;
1720                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1721                 {
1722                         touch = touchedicts[touchindex];
1723                         model = SV_GetModelFromEdict(touch);
1724                         if(model && model->brush.TraceLineOfSight)
1725                         {
1726                                 // get the entity matrix
1727                                 pitchsign = SV_GetPitchSign(prog, touch);
1728                                 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);
1729                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1730                                 // see if the ray hits this entity
1731                                 Matrix4x4_Transform(&imatrix, start, starttransformed);
1732                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1733                                 Matrix4x4_Transform(&imatrix, boxmins, boxminstransformed);
1734                                 Matrix4x4_Transform(&imatrix, boxmaxs, boxmaxstransformed);
1735                                 // transform the AABB to local space
1736                                 VectorMAM(0.5f, boxminstransformed, 0.5f, boxmaxstransformed, localboxcenter);
1737                                 localboxextents[0] = fabs(boxmaxstransformed[0] - localboxcenter[0]);
1738                                 localboxextents[1] = fabs(boxmaxstransformed[1] - localboxcenter[1]);
1739                                 localboxextents[2] = fabs(boxmaxstransformed[2] - localboxcenter[2]);
1740                                 localboxmins[0] = localboxcenter[0] - localboxextents[0];
1741                                 localboxmins[1] = localboxcenter[1] - localboxextents[1];
1742                                 localboxmins[2] = localboxcenter[2] - localboxextents[2];
1743                                 localboxmaxs[0] = localboxcenter[0] + localboxextents[0];
1744                                 localboxmaxs[1] = localboxcenter[1] + localboxextents[1];
1745                                 localboxmaxs[2] = localboxcenter[2] + localboxextents[2];
1746                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed, localboxmins, localboxmaxs))
1747                                 {
1748                                         blocked++;
1749                                         break;
1750                                 }
1751                         }
1752                 }
1753                 // check if the ray was blocked
1754                 if (touchindex < numtouchedicts)
1755                         continue;
1756                 // return if the ray was not blocked
1757                 return true;
1758         }
1759
1760         // no rays survived
1761         return false;
1762 }
1763
1764 static void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1765 {
1766         prvm_prog_t *prog = SVVM_prog;
1767         int isbmodel;
1768         dp_model_t *model;
1769         prvm_edict_t *ed;
1770         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1771                 return;
1772         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1773         sv.writeentitiestoclient_stats_totalentities++;
1774
1775         if (s->customizeentityforclient)
1776         {
1777                 PRVM_serverglobalfloat(time) = sv.time;
1778                 PRVM_serverglobaledict(self) = s->number;
1779                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1780                 prog->ExecuteProgram(prog, s->customizeentityforclient, "customizeentityforclient: NULL function");
1781                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1782                         return;
1783         }
1784
1785         // never reject player
1786         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1787         {
1788                 // check various rejection conditions
1789                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1790                         return;
1791                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1792                         return;
1793                 if (s->effects & EF_NODRAW)
1794                         return;
1795                 // LadyHavoc: only send entities with a model or important effects
1796                 if (!s->modelindex && s->specialvisibilityradius == 0)
1797                         return;
1798
1799                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1800                 // viewmodels don't have visibility checking
1801                 if (s->viewmodelforclient)
1802                 {
1803                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1804                                 return;
1805                 }
1806                 else if (s->tagentity)
1807                 {
1808                         // tag attached entities simply check their parent
1809                         if (!sv.sendentitiesindex[s->tagentity])
1810                                 return;
1811                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1812                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1813                                 return;
1814                 }
1815                 // always send world submodels in newer protocols because they don't
1816                 // generate much traffic (in old protocols they hog bandwidth)
1817                 // but only if sv_cullentities_nevercullbmodels is off
1818                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1819                 {
1820                         // entity has survived every check so far, check if visible
1821                         ed = PRVM_EDICT_NUM(s->number);
1822
1823                         // if not touching a visible leaf
1824                         if (sv_cullentities_pvs.integer && !r_novis.integer && !r_trippy.integer && sv.writeentitiestoclient_pvsbytes)
1825                         {
1826                                 if (ed->priv.server->pvs_numclusters < 0)
1827                                 {
1828                                         // entity too big for clusters list
1829                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1830                                         {
1831                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1832                                                 return;
1833                                         }
1834                                 }
1835                                 else
1836                                 {
1837                                         int i;
1838                                         // check cached clusters list
1839                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1840                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1841                                                         break;
1842                                         if (i == ed->priv.server->pvs_numclusters)
1843                                         {
1844                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1845                                                 return;
1846                                         }
1847                                 }
1848                         }
1849
1850                         // or not seen by random tracelines
1851                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight && !r_trippy.integer)
1852                         {
1853                                 int samples =
1854                                         s->number <= svs.maxclients
1855                                                 ? sv_cullentities_trace_samples_players.integer
1856                                                 :
1857                                         s->specialvisibilityradius
1858                                                 ? sv_cullentities_trace_samples_extra.integer
1859                                                 : sv_cullentities_trace_samples.integer;
1860                                 float enlarge = sv_cullentities_trace_enlarge.value;
1861
1862                                 if(samples > 0)
1863                                 {
1864                                         int eyeindex;
1865                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1866                                                 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))
1867                                                         break;
1868                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1869                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1870                                                         host.realtime + (
1871                                                                 s->number <= svs.maxclients
1872                                                                         ? sv_cullentities_trace_delay_players.value
1873                                                                         : sv_cullentities_trace_delay.value
1874                                                         );
1875                                         else if (host.realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1876                                         {
1877                                                 sv.writeentitiestoclient_stats_culled_trace++;
1878                                                 return;
1879                                         }
1880                                 }
1881                         }
1882                 }
1883         }
1884
1885         // this just marks it for sending
1886         // FIXME: it would be more efficient to send here, but the entity
1887         // compressor isn't that flexible
1888         sv.writeentitiestoclient_stats_visibleentities++;
1889         sv.sententities[s->number] = sv.sententitiesmark;
1890 }
1891
1892 #if MAX_LEVELNETWORKEYES > 0
1893 #define MAX_EYE_RECURSION 1 // increase if recursion gets supported by portals
1894 static void SV_AddCameraEyes(void)
1895 {
1896         prvm_prog_t *prog = SVVM_prog;
1897         int e, i, j, k;
1898         prvm_edict_t *ed;
1899         static int cameras[MAX_LEVELNETWORKEYES];
1900         static vec3_t camera_origins[MAX_LEVELNETWORKEYES];
1901         static int eye_levels[MAX_CLIENTNETWORKEYES];
1902         int n_cameras = 0;
1903         vec3_t mi, ma;
1904
1905         for(i = 0; i < sv.writeentitiestoclient_numeyes; ++i)
1906                 eye_levels[i] = 0;
1907
1908         // check line of sight to portal entities and add them to PVS
1909         for (e = 1, ed = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ed = PRVM_NEXT_EDICT(ed))
1910         {
1911                 if (!ed->priv.server->free)
1912                 {
1913                         if(PRVM_serveredictfunction(ed, camera_transform))
1914                         {
1915                                 PRVM_serverglobalfloat(time) = sv.time;
1916                                 PRVM_serverglobaledict(self) = e;
1917                                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1918                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_serverglobalvector(trace_endpos));
1919                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_G_VECTOR(OFS_PARM0));
1920                                 VectorClear(PRVM_G_VECTOR(OFS_PARM1));
1921                                 prog->ExecuteProgram(prog, PRVM_serveredictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1922                                 if(!VectorCompare(PRVM_serverglobalvector(trace_endpos), sv.writeentitiestoclient_eyes[0]))
1923                                 {
1924                                         VectorCopy(PRVM_serverglobalvector(trace_endpos), camera_origins[n_cameras]);
1925                                         cameras[n_cameras] = e;
1926                                         ++n_cameras;
1927                                         if(n_cameras >= MAX_LEVELNETWORKEYES)
1928                                                 break;
1929                                 }
1930                         }
1931                 }
1932         }
1933
1934         if(!n_cameras)
1935                 return;
1936
1937         // i is loop counter, is reset to 0 when an eye got added
1938         // j is camera index to check
1939         for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras)
1940         {
1941                 if(!cameras[j])
1942                         continue;
1943                 ed = PRVM_EDICT_NUM(cameras[j]);
1944                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, mins), mi);
1945                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, maxs), ma);
1946                 for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k)
1947                 if(eye_levels[k] <= MAX_EYE_RECURSION)
1948                 {
1949                         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))
1950                         {
1951                                 eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1;
1952                                 VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1953                                 // 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);
1954                                 sv.writeentitiestoclient_numeyes++;
1955                                 cameras[j] = 0;
1956                                 i = 0;
1957                                 break;
1958                         }
1959                 }
1960         }
1961 }
1962 #else
1963 void SV_AddCameraEyes(void)
1964 {
1965 }
1966 #endif
1967
1968 static void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1969 {
1970         prvm_prog_t *prog = SVVM_prog;
1971         qboolean need_empty = false;
1972         int i, numsendstates, numcsqcsendstates;
1973         entity_state_t *s;
1974         prvm_edict_t *camera;
1975         qboolean success;
1976         vec3_t eye;
1977
1978         // if there isn't enough space to accomplish anything, skip it
1979         if (msg->cursize + 25 > maxsize)
1980                 return;
1981
1982         sv.writeentitiestoclient_msg = msg;
1983         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1984
1985         sv.writeentitiestoclient_stats_culled_pvs = 0;
1986         sv.writeentitiestoclient_stats_culled_trace = 0;
1987         sv.writeentitiestoclient_stats_visibleentities = 0;
1988         sv.writeentitiestoclient_stats_totalentities = 0;
1989         sv.writeentitiestoclient_numeyes = 0;
1990
1991         // get eye location
1992         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LadyHavoc: for comparison purposes
1993         camera = PRVM_EDICT_NUM( client->clientcamera );
1994         VectorAdd(PRVM_serveredictvector(camera, origin), PRVM_serveredictvector(clent, view_ofs), eye);
1995         sv.writeentitiestoclient_pvsbytes = 0;
1996         // get the PVS values for the eye location, later FatPVS calls will merge
1997         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1998                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1999
2000         // add the eye to a list for SV_CanSeeBox tests
2001         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
2002         sv.writeentitiestoclient_numeyes++;
2003
2004         // calculate predicted eye origin for SV_CanSeeBox tests
2005         if (sv_cullentities_trace_prediction.integer)
2006         {
2007                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
2008                 vec3_t predeye;
2009                 VectorMA(eye, predtime, PRVM_serveredictvector(camera, velocity), predeye);
2010                 if (SV_CanSeeBox(1, 0, 0, 0, eye, predeye, predeye))
2011                 {
2012                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
2013                         sv.writeentitiestoclient_numeyes++;
2014                 }
2015                 //if (!sv.writeentitiestoclient_useprediction)
2016                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
2017         }
2018
2019         SV_AddCameraEyes();
2020
2021         // build PVS from the new eyes
2022         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
2023                 for(i = 1; i < sv.writeentitiestoclient_numeyes; ++i)
2024                         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);
2025
2026         sv.sententitiesmark++;
2027
2028         for (i = 0;i < sv.numsendentities;i++)
2029                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
2030
2031         numsendstates = 0;
2032         numcsqcsendstates = 0;
2033         for (i = 0;i < sv.numsendentities;i++)
2034         {
2035                 s = &sv.sendentities[i];
2036                 if (sv.sententities[s->number] == sv.sententitiesmark)
2037                 {
2038                         if(s->active == ACTIVE_NETWORK)
2039                         {
2040                                 if (s->exteriormodelforclient)
2041                                 {
2042                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
2043                                                 s->flags |= RENDER_EXTERIORMODEL;
2044                                         else
2045                                                 s->flags &= ~RENDER_EXTERIORMODEL;
2046                                 }
2047                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
2048                         }
2049                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
2050                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
2051                         else
2052                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
2053                 }
2054         }
2055
2056         if (sv_cullentities_stats.integer)
2057                 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);
2058
2059         if(client->entitydatabase5)
2060                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
2061         else
2062                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
2063
2064         // force every 16th frame to be not empty (or cl_movement replay takes
2065         // too long)
2066         // BTW, this should normally not kick in any more due to the check
2067         // below, except if the client stopped sending movement frames
2068         if(client->num_skippedentityframes >= 16)
2069                 need_empty = true;
2070
2071         // help cl_movement a bit more
2072         if(client->movesequence != client->lastmovesequence)
2073                 need_empty = true;
2074         client->lastmovesequence = client->movesequence;
2075
2076         if (client->entitydatabase5)
2077                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
2078         else if (client->entitydatabase4)
2079         {
2080                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
2081                 Protocol_WriteStatsReliable();
2082         }
2083         else if (client->entitydatabase)
2084         {
2085                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
2086                 Protocol_WriteStatsReliable();
2087         }
2088         else
2089         {
2090                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
2091                 Protocol_WriteStatsReliable();
2092         }
2093
2094         if(success)
2095                 client->num_skippedentityframes = 0;
2096         else
2097                 ++client->num_skippedentityframes;
2098 }
2099
2100 /*
2101 =============
2102 SV_CleanupEnts
2103
2104 =============
2105 */
2106 static void SV_CleanupEnts (void)
2107 {
2108         prvm_prog_t *prog = SVVM_prog;
2109         int             e;
2110         prvm_edict_t    *ent;
2111
2112         ent = PRVM_NEXT_EDICT(prog->edicts);
2113         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
2114                 PRVM_serveredictfloat(ent, effects) = (int)PRVM_serveredictfloat(ent, effects) & ~EF_MUZZLEFLASH;
2115 }
2116
2117 /*
2118 ==================
2119 SV_WriteClientdataToMessage
2120
2121 ==================
2122 */
2123 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
2124 {
2125         prvm_prog_t *prog = SVVM_prog;
2126         int             bits;
2127         int             i;
2128         prvm_edict_t    *other;
2129         int             items;
2130         vec3_t  punchvector;
2131         int             viewzoom;
2132         const char *s;
2133         float   *statsf = (float *)stats;
2134         float gravity;
2135
2136 //
2137 // send a damage message
2138 //
2139         if (PRVM_serveredictfloat(ent, dmg_take) || PRVM_serveredictfloat(ent, dmg_save))
2140         {
2141                 other = PRVM_PROG_TO_EDICT(PRVM_serveredictedict(ent, dmg_inflictor));
2142                 MSG_WriteByte (msg, svc_damage);
2143                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_save));
2144                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_take));
2145                 for (i=0 ; i<3 ; i++)
2146                         MSG_WriteCoord (msg, PRVM_serveredictvector(other, origin)[i] + 0.5*(PRVM_serveredictvector(other, mins)[i] + PRVM_serveredictvector(other, maxs)[i]), sv.protocol);
2147
2148                 PRVM_serveredictfloat(ent, dmg_take) = 0;
2149                 PRVM_serveredictfloat(ent, dmg_save) = 0;
2150         }
2151
2152 //
2153 // send the current viewpos offset from the view entity
2154 //
2155         SV_SetIdealPitch ();            // how much to look up / down ideally
2156
2157 // a fixangle might get lost in a dropped packet.  Oh well.
2158         if(PRVM_serveredictfloat(ent, fixangle))
2159         {
2160                 // angle fixing was requested by global thinking code...
2161                 // so store the current angles for later use
2162                 VectorCopy(PRVM_serveredictvector(ent, angles), host_client->fixangle_angles);
2163                 host_client->fixangle_angles_set = true;
2164
2165                 // and clear fixangle for the next frame
2166                 PRVM_serveredictfloat(ent, fixangle) = 0;
2167         }
2168
2169         if (host_client->fixangle_angles_set)
2170         {
2171                 MSG_WriteByte (msg, svc_setangle);
2172                 for (i=0 ; i < 3 ; i++)
2173                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
2174                 host_client->fixangle_angles_set = false;
2175         }
2176
2177         // the runes are in serverflags, pack them into the items value, also pack
2178         // in the items2 value for mission pack huds
2179         // (used only in the mission packs, which do not use serverflags)
2180         items = (int)PRVM_serveredictfloat(ent, items) | ((int)PRVM_serveredictfloat(ent, items2) << 23) | ((int)PRVM_serverglobalfloat(serverflags) << 28);
2181
2182         VectorCopy(PRVM_serveredictvector(ent, punchvector), punchvector);
2183
2184         // cache weapon model name and index in client struct to save time
2185         // (this search can be almost 1% of cpu time!)
2186         s = PRVM_GetString(prog, PRVM_serveredictstring(ent, weaponmodel));
2187         if (strcmp(s, client->weaponmodel))
2188         {
2189                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
2190                 client->weaponmodelindex = SV_ModelIndex(s, 1);
2191         }
2192
2193         viewzoom = (int)(PRVM_serveredictfloat(ent, viewzoom) * 255.0f);
2194         if (viewzoom == 0)
2195                 viewzoom = 255;
2196
2197         bits = 0;
2198
2199         if ((int)PRVM_serveredictfloat(ent, flags) & FL_ONGROUND)
2200                 bits |= SU_ONGROUND;
2201         if (PRVM_serveredictfloat(ent, waterlevel) >= 2)
2202                 bits |= SU_INWATER;
2203         if (PRVM_serveredictfloat(ent, idealpitch))
2204                 bits |= SU_IDEALPITCH;
2205
2206         for (i=0 ; i<3 ; i++)
2207         {
2208                 if (PRVM_serveredictvector(ent, punchangle)[i])
2209                         bits |= (SU_PUNCH1<<i);
2210                 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)
2211                         if (punchvector[i])
2212                                 bits |= (SU_PUNCHVEC1<<i);
2213                 if (PRVM_serveredictvector(ent, velocity)[i])
2214                         bits |= (SU_VELOCITY1<<i);
2215         }
2216
2217         gravity = PRVM_serveredictfloat(ent, gravity);if (!gravity) gravity = 1.0f;
2218
2219         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
2220         stats[STAT_VIEWHEIGHT] = (int)PRVM_serveredictvector(ent, view_ofs)[2];
2221         stats[STAT_ITEMS] = items;
2222         stats[STAT_WEAPONFRAME] = (int)PRVM_serveredictfloat(ent, weaponframe);
2223         stats[STAT_ARMOR] = (int)PRVM_serveredictfloat(ent, armorvalue);
2224         stats[STAT_WEAPON] = client->weaponmodelindex;
2225         stats[STAT_HEALTH] = (int)PRVM_serveredictfloat(ent, health);
2226         stats[STAT_AMMO] = (int)PRVM_serveredictfloat(ent, currentammo);
2227         stats[STAT_SHELLS] = (int)PRVM_serveredictfloat(ent, ammo_shells);
2228         stats[STAT_NAILS] = (int)PRVM_serveredictfloat(ent, ammo_nails);
2229         stats[STAT_ROCKETS] = (int)PRVM_serveredictfloat(ent, ammo_rockets);
2230         stats[STAT_CELLS] = (int)PRVM_serveredictfloat(ent, ammo_cells);
2231         stats[STAT_ACTIVEWEAPON] = (int)PRVM_serveredictfloat(ent, weapon);
2232         stats[STAT_VIEWZOOM] = viewzoom;
2233         stats[STAT_TOTALSECRETS] = (int)PRVM_serverglobalfloat(total_secrets);
2234         stats[STAT_TOTALMONSTERS] = (int)PRVM_serverglobalfloat(total_monsters);
2235         // the QC bumps these itself by sending svc_'s, so we have to keep them
2236         // zero or they'll be corrected by the engine
2237         //stats[STAT_SECRETS] = PRVM_serverglobalfloat(found_secrets);
2238         //stats[STAT_MONSTERS] = PRVM_serverglobalfloat(killed_monsters);
2239
2240         if(!sv_gameplayfix_customstats.integer)
2241         {
2242                 statsf[STAT_MOVEVARS_AIRACCEL_QW_STRETCHFACTOR] = sv_airaccel_qw_stretchfactor.value;
2243                 statsf[STAT_MOVEVARS_AIRCONTROL_PENALTY] = sv_aircontrol_penalty.value;
2244                 statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW] = sv_airspeedlimit_nonqw.value;
2245                 statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value;
2246                 statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value;
2247                 // movement settings for prediction
2248                 // note: these are not sent in protocols with lower MAX_CL_STATS limits
2249                 stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
2250                         | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
2251                         | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0)
2252                         | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0)
2253                 ;
2254                 statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
2255                 statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
2256                 statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
2257                 statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
2258                 statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
2259                 statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
2260                 statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
2261                 statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
2262                 statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
2263                 statsf[STAT_FRAGLIMIT] = fraglimit.value;
2264                 statsf[STAT_TIMELIMIT] = timelimit.value;
2265                 statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
2266                 statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
2267                 statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
2268                 statsf[STAT_MOVEVARS_TIMESCALE] = host_timescale.value;
2269                 statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
2270                 statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
2271                 statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
2272                 statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
2273                 statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
2274                 statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
2275                 statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
2276                 statsf[STAT_MOVEVARS_ENTGRAVITY] = gravity;
2277                 statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
2278                 statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
2279                 statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
2280                 statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
2281                 statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
2282                 statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
2283         }
2284
2285         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)
2286         {
2287                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
2288                 bits |= SU_ITEMS;
2289                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
2290                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
2291                 bits |= SU_WEAPON;
2292                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
2293                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2294                         if (viewzoom != 255)
2295                                 bits |= SU_VIEWZOOM;
2296         }
2297
2298         if (bits >= 65536)
2299                 bits |= SU_EXTEND1;
2300         if (bits >= 16777216)
2301                 bits |= SU_EXTEND2;
2302
2303         // send the data
2304         MSG_WriteByte (msg, svc_clientdata);
2305         MSG_WriteShort (msg, bits);
2306         if (bits & SU_EXTEND1)
2307                 MSG_WriteByte(msg, bits >> 16);
2308         if (bits & SU_EXTEND2)
2309                 MSG_WriteByte(msg, bits >> 24);
2310
2311         if (bits & SU_VIEWHEIGHT)
2312                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
2313
2314         if (bits & SU_IDEALPITCH)
2315                 MSG_WriteChar (msg, (int)PRVM_serveredictfloat(ent, idealpitch));
2316
2317         for (i=0 ; i<3 ; i++)
2318         {
2319                 if (bits & (SU_PUNCH1<<i))
2320                 {
2321                         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)
2322                                 MSG_WriteChar(msg, (int)PRVM_serveredictvector(ent, punchangle)[i]);
2323                         else
2324                                 MSG_WriteAngle16i(msg, PRVM_serveredictvector(ent, punchangle)[i]);
2325                 }
2326                 if (bits & (SU_PUNCHVEC1<<i))
2327                 {
2328                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2329                                 MSG_WriteCoord16i(msg, punchvector[i]);
2330                         else
2331                                 MSG_WriteCoord32f(msg, punchvector[i]);
2332                 }
2333                 if (bits & (SU_VELOCITY1<<i))
2334                 {
2335                         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)
2336                                 MSG_WriteChar(msg, (int)(PRVM_serveredictvector(ent, velocity)[i] * (1.0f / 16.0f)));
2337                         else
2338                                 MSG_WriteCoord32f(msg, PRVM_serveredictvector(ent, velocity)[i]);
2339                 }
2340         }
2341
2342         if (bits & SU_ITEMS)
2343                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
2344
2345         if (sv.protocol == PROTOCOL_DARKPLACES5)
2346         {
2347                 if (bits & SU_WEAPONFRAME)
2348                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
2349                 if (bits & SU_ARMOR)
2350                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
2351                 if (bits & SU_WEAPON)
2352                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
2353                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2354                 MSG_WriteShort (msg, stats[STAT_AMMO]);
2355                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
2356                 MSG_WriteShort (msg, stats[STAT_NAILS]);
2357                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
2358                 MSG_WriteShort (msg, stats[STAT_CELLS]);
2359                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
2360                 if (bits & SU_VIEWZOOM)
2361                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2362         }
2363         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)
2364         {
2365                 if (bits & SU_WEAPONFRAME)
2366                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
2367                 if (bits & SU_ARMOR)
2368                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
2369                 if (bits & SU_WEAPON)
2370                 {
2371                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2372                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
2373                         else
2374                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
2375                 }
2376                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2377                 MSG_WriteByte (msg, stats[STAT_AMMO]);
2378                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
2379                 MSG_WriteByte (msg, stats[STAT_NAILS]);
2380                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
2381                 MSG_WriteByte (msg, stats[STAT_CELLS]);
2382                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_QUOTH || IS_OLDNEXUIZ_DERIVED(gamemode))
2383                 {
2384                         for (i = 0;i < 32;i++)
2385                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
2386                                         break;
2387                         MSG_WriteByte (msg, i);
2388                 }
2389                 else
2390                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
2391                 if (bits & SU_VIEWZOOM)
2392                 {
2393                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2394                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
2395                         else
2396                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2397                 }
2398         }
2399 }
2400
2401 void SV_FlushBroadcastMessages(void)
2402 {
2403         int i;
2404         client_t *client;
2405         if (sv.datagram.cursize <= 0)
2406                 return;
2407         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2408         {
2409                 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])))
2410                         continue;
2411                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2412                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2413         }
2414         SZ_Clear(&sv.datagram);
2415 }
2416
2417 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2418 {
2419         // scan the splitpoints to find out how many we can fit in
2420         int numsegments, j, split;
2421         if (!client->unreliablemsg_splitpoints)
2422                 return;
2423         // always accept the first one if it's within 1024 bytes, this ensures
2424         // that very big datagrams which are over the rate limit still get
2425         // through, just to keep it working
2426         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2427                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2428                         break;
2429         // the first segment gets an exemption from the rate limiting, otherwise
2430         // it could get dropped consistently due to a low rate limit
2431         if (numsegments == 1)
2432                 maxsize = maxsize2;
2433         // some will fit, so add the ones that will fit
2434         split = client->unreliablemsg_splitpoint[numsegments-1];
2435         // note this discards ones that were accepted by the segments scan but
2436         // can not fit, such as a really huge first one that will never ever
2437         // fit in a packet...
2438         if (msg->cursize + split <= maxsize)
2439                 SZ_Write(msg, client->unreliablemsg.data, split);
2440         // remove the part we sent, keeping any remaining data
2441         client->unreliablemsg.cursize -= split;
2442         if (client->unreliablemsg.cursize > 0)
2443                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2444         // adjust remaining splitpoints
2445         client->unreliablemsg_splitpoints -= numsegments;
2446         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2447                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2448 }
2449
2450 /*
2451 =======================
2452 SV_SendClientDatagram
2453 =======================
2454 */
2455 static void SV_SendClientDatagram (client_t *client)
2456 {
2457         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2458         sizebuf_t msg;
2459         int stats[MAX_CL_STATS];
2460         static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2461         double timedelta;
2462
2463         // obey rate limit by limiting packet frequency if the packet size
2464         // limiting fails
2465         // (usually this is caused by reliable messages)
2466         if (!NetConn_CanSend(client->netconnection))
2467                 return;
2468
2469         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2470         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2471         if (sv_maxrate.integer != maxrate)
2472                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2473
2474         // clientrate determines the 'cleartime' of a packet
2475         // (how long to wait before sending another, based on this packet's size)
2476         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2477
2478         switch (sv.protocol)
2479         {
2480         case PROTOCOL_QUAKE:
2481         case PROTOCOL_QUAKEDP:
2482         case PROTOCOL_NEHAHRAMOVIE:
2483         case PROTOCOL_NEHAHRABJP:
2484         case PROTOCOL_NEHAHRABJP2:
2485         case PROTOCOL_NEHAHRABJP3:
2486         case PROTOCOL_QUAKEWORLD:
2487                 // no packet size limit support on Quake protocols because it just
2488                 // causes missing entities/effects
2489                 // packets are simply sent less often to obey the rate limit
2490                 maxsize = 1024;
2491                 maxsize2 = 1024;
2492                 break;
2493         case PROTOCOL_DARKPLACES1:
2494         case PROTOCOL_DARKPLACES2:
2495         case PROTOCOL_DARKPLACES3:
2496         case PROTOCOL_DARKPLACES4:
2497                 // no packet size limit support on DP1-4 protocols because they kick
2498                 // the client off if they overflow, and miss effects
2499                 // packets are simply sent less often to obey the rate limit
2500                 maxsize = sizeof(sv_sendclientdatagram_buf);
2501                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2502                 break;
2503         default:
2504                 // DP5 and later protocols support packet size limiting which is a
2505                 // better method than limiting packet frequency as QW does
2506                 //
2507                 // at very low rates (or very small sys_ticrate) the packet size is
2508                 // not reduced below 128, but packets may be sent less often
2509
2510                 // how long are bursts?
2511                 timedelta = host_client->rate_burstsize / (double)client->rate;
2512
2513                 // how much of the burst do we keep reserved?
2514                 timedelta *= 1 - net_burstreserve.value;
2515
2516                 // only try to use excess time
2517                 timedelta = bound(0, host.realtime - host_client->netconnection->cleartime, timedelta);
2518
2519                 // but we know next packet will be in sys_ticrate, so we can use up THAT bandwidth
2520                 timedelta += sys_ticrate.value;
2521
2522                 // note: packet overhead (not counted in maxsize) is 28 bytes
2523                 maxsize = (int)(clientrate * timedelta) - 28;
2524
2525                 // put it in sound bounds
2526                 maxsize = bound(128, maxsize, 1400);
2527                 maxsize2 = 1400;
2528
2529                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2530                 // mods that use csqc (they are likely to use less bandwidth anyway)
2531                 if((net_usesizelimit.integer == 1) ? (sv.csqc_progsize > 0) : (net_usesizelimit.integer < 1))
2532                         maxsize = maxsize2;
2533
2534                 break;
2535         }
2536
2537         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2538         {
2539                 // for good singleplayer, send huge packets
2540                 maxsize = sizeof(sv_sendclientdatagram_buf);
2541                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2542                 // never limit frequency in singleplayer
2543                 clientrate = 1000000000;
2544         }
2545
2546         // while downloading, limit entity updates to half the packet
2547         // (any leftover space will be used for downloading)
2548         if (host_client->download_file)
2549                 maxsize /= 2;
2550
2551         msg.data = sv_sendclientdatagram_buf;
2552         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2553         msg.cursize = 0;
2554         msg.allowoverflow = false;
2555
2556         if (host_client->begun)
2557         {
2558                 // the player is in the game
2559                 MSG_WriteByte (&msg, svc_time);
2560                 MSG_WriteFloat (&msg, sv.time);
2561
2562                 // add the client specific data to the datagram
2563                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2564                 // now update the stats[] array using any registered custom fields
2565                 VM_SV_UpdateCustomStats(client, client->edict, &msg, stats);
2566                 // set host_client->statsdeltabits
2567                 Protocol_UpdateClientStats (stats);
2568
2569                 // add as many queued unreliable messages (effects) as we can fit
2570                 // limit effects to half of the remaining space
2571                 if (client->unreliablemsg.cursize)
2572                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2573
2574                 // now write as many entities as we can fit, and also sends stats
2575                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2576         }
2577         else if (host.realtime > client->keepalivetime)
2578         {
2579                 // the player isn't totally in the game yet
2580                 // send small keepalive messages if too much time has passed
2581                 // (may also be sending downloads)
2582                 client->keepalivetime = host.realtime + 5;
2583                 MSG_WriteChar (&msg, svc_nop);
2584         }
2585
2586         // if a download is active, see if there is room to fit some download data
2587         // in this packet
2588         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2589         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2590         {
2591                 fs_offset_t downloadstart;
2592                 unsigned char data[1400];
2593                 downloadstart = FS_Tell(host_client->download_file);
2594                 downloadsize = min(downloadsize, (int)sizeof(data));
2595                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2596                 // note this sends empty messages if at the end of the file, which is
2597                 // necessary to keep the packet loss logic working
2598                 // (the last blocks may be lost and need to be re-sent, and that will
2599                 //  only occur if the client acks the empty end messages, revealing
2600                 //  a gap in the download progress, causing the last blocks to be
2601                 //  sent again)
2602                 MSG_WriteChar (&msg, svc_downloaddata);
2603                 MSG_WriteLong (&msg, downloadstart);
2604                 MSG_WriteShort (&msg, downloadsize);
2605                 if (downloadsize > 0)
2606                         SZ_Write (&msg, data, downloadsize);
2607         }
2608
2609         // reliable only if none is in progress
2610         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2611                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2612         // unreliable
2613         SV_WriteDemoMessage(client, &msg, false);
2614
2615 // send the datagram
2616         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->rate_burstsize, client->sendsignon == 2);
2617         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2618                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2619 }
2620
2621 /*
2622 =======================
2623 SV_UpdateToReliableMessages
2624 =======================
2625 */
2626 static void SV_UpdateToReliableMessages (void)
2627 {
2628         prvm_prog_t *prog = SVVM_prog;
2629         int i, j;
2630         client_t *client;
2631         const char *name;
2632         const char *model;
2633         const char *skin;
2634         int clientcamera;
2635
2636 // check for changes to be sent over the reliable streams
2637         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2638         {
2639                 // update the host_client fields we care about according to the entity fields
2640                 host_client->edict = PRVM_EDICT_NUM(i+1);
2641
2642                 // DP_SV_CLIENTNAME
2643                 name = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, netname));
2644                 if (name == NULL)
2645                         name = "";
2646                 // always point the string back at host_client->name to keep it safe
2647                 //strlcpy (host_client->name, name, sizeof (host_client->name));
2648                 if (name != host_client->name) // prevent buffer overlap SIGABRT on Mac OSX
2649                         strlcpy (host_client->name, name, sizeof (host_client->name));
2650                 PRVM_serveredictstring(host_client->edict, netname) = PRVM_SetEngineString(prog, host_client->name);
2651                 if (strcmp(host_client->old_name, host_client->name))
2652                 {
2653                         if (host_client->begun)
2654                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2655                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2656                         // send notification to all clients
2657                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2658                         MSG_WriteByte (&sv.reliable_datagram, i);
2659                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2660                         SV_WriteNetnameIntoDemo(host_client);
2661                 }
2662
2663                 // DP_SV_CLIENTCOLORS
2664                 host_client->colors = (int)PRVM_serveredictfloat(host_client->edict, clientcolors);
2665                 if (host_client->old_colors != host_client->colors)
2666                 {
2667                         host_client->old_colors = host_client->colors;
2668                         // send notification to all clients
2669                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2670                         MSG_WriteByte (&sv.reliable_datagram, i);
2671                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2672                 }
2673
2674                 // NEXUIZ_PLAYERMODEL
2675                 model = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, playermodel));
2676                 if (model == NULL)
2677                         model = "";
2678                 // always point the string back at host_client->name to keep it safe
2679                 //strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2680                 if (model != host_client->playermodel) // prevent buffer overlap SIGABRT on Mac OSX
2681                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2682                 PRVM_serveredictstring(host_client->edict, playermodel) = PRVM_SetEngineString(prog, host_client->playermodel);
2683
2684                 // NEXUIZ_PLAYERSKIN
2685                 skin = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, playerskin));
2686                 if (skin == NULL)
2687                         skin = "";
2688                 // always point the string back at host_client->name to keep it safe
2689                 //strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2690                 if (skin != host_client->playerskin) // prevent buffer overlap SIGABRT on Mac OSX
2691                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2692                 PRVM_serveredictstring(host_client->edict, playerskin) = PRVM_SetEngineString(prog, host_client->playerskin);
2693
2694                 // TODO: add an extension name for this [1/17/2008 Black]
2695                 clientcamera = PRVM_serveredictedict(host_client->edict, clientcamera);
2696                 if (clientcamera > 0)
2697                 {
2698                         int oldclientcamera = host_client->clientcamera;
2699                         if (clientcamera >= prog->max_edicts || PRVM_EDICT_NUM(clientcamera)->priv.required->free)
2700                                 clientcamera = PRVM_NUM_FOR_EDICT(host_client->edict);
2701                         host_client->clientcamera = clientcamera;
2702
2703                         if (oldclientcamera != host_client->clientcamera && host_client->netconnection)
2704                         {
2705                                 MSG_WriteByte(&host_client->netconnection->message, svc_setview);
2706                                 MSG_WriteShort(&host_client->netconnection->message, host_client->clientcamera);
2707                         }
2708                 }
2709
2710                 // frags
2711                 host_client->frags = (int)PRVM_serveredictfloat(host_client->edict, frags);
2712                 if(IS_OLDNEXUIZ_DERIVED(gamemode))
2713                         if(!host_client->begun && host_client->netconnection)
2714                                 host_client->frags = -666;
2715                 if (host_client->old_frags != host_client->frags)
2716                 {
2717                         host_client->old_frags = host_client->frags;
2718                         // send notification to all clients
2719                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2720                         MSG_WriteByte (&sv.reliable_datagram, i);
2721                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2722                 }
2723         }
2724
2725         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2726                 if (client->netconnection && (client->begun || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2727                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2728
2729         SZ_Clear (&sv.reliable_datagram);
2730 }
2731
2732
2733 /*
2734 =======================
2735 SV_SendClientMessages
2736 =======================
2737 */
2738 void SV_SendClientMessages(void)
2739 {
2740         int i, prepared = false;
2741
2742         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2743                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2744
2745         SV_FlushBroadcastMessages();
2746
2747 // update frags, names, etc
2748         SV_UpdateToReliableMessages();
2749
2750 // build individual updates
2751         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2752         {
2753                 if (!host_client->active)
2754                         continue;
2755                 if (!host_client->netconnection)
2756                         continue;
2757
2758                 if (host_client->netconnection->message.overflowed)
2759                 {
2760                         SV_DropClient (true);   // if the message couldn't send, kick off
2761                         continue;
2762                 }
2763
2764                 if (!prepared)
2765                 {
2766                         prepared = true;
2767                         // only prepare entities once per frame
2768                         SV_PrepareEntitiesForSending();
2769                 }
2770                 SV_SendClientDatagram(host_client);
2771         }
2772
2773 // clear muzzle flashes
2774         SV_CleanupEnts();
2775 }
2776
2777 static void SV_StartDownload_f(cmd_state_t *cmd)
2778 {
2779         if (host_client->download_file)
2780                 host_client->download_started = true;
2781 }
2782
2783 /*
2784  * Compression extension negotiation:
2785  *
2786  * Server to client:
2787  *   cl_serverextension_download 2
2788  *
2789  * Client to server:
2790  *   download <filename> <list of zero or more suppported compressions in order of preference>
2791  * e.g.
2792  *   download maps/map1.bsp lzo deflate huffman
2793  *
2794  * Server to client:
2795  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2796  * e.g.
2797  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2798  *
2799  * The server may choose not to compress the file by sending no compression name, like:
2800  *   cl_downloadbegin 345678 maps/map1.bsp
2801  *
2802  * NOTE: the "download" command may only specify compression algorithms if
2803  *       cl_serverextension_download is 2!
2804  *       If cl_serverextension_download has a different value, the client must
2805  *       assume this extension is not supported!
2806  */
2807
2808 static void Download_CheckExtensions(cmd_state_t *cmd)
2809 {
2810         int i;
2811         int argc = Cmd_Argc(cmd);
2812
2813         // first reset them all
2814         host_client->download_deflate = false;
2815
2816         for(i = 2; i < argc; ++i)
2817         {
2818                 if(!strcmp(Cmd_Argv(cmd, i), "deflate"))
2819                 {
2820                         host_client->download_deflate = true;
2821                         break;
2822                 }
2823         }
2824 }
2825
2826 static void SV_Download_f(cmd_state_t *cmd)
2827 {
2828         const char *whichpack, *whichpack2, *extension;
2829         qboolean is_csqc; // so we need to check only once
2830
2831         if (Cmd_Argc(cmd) < 2)
2832         {
2833                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2834                 SV_ClientPrintf("       supported extensions: deflate\n");
2835                 return;
2836         }
2837
2838         if (FS_CheckNastyPath(Cmd_Argv(cmd, 1), false))
2839         {
2840                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(cmd, 1));
2841                 return;
2842         }
2843
2844         if (host_client->download_file)
2845         {
2846                 // at this point we'll assume the previous download should be aborted
2847                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2848                 SV_ClientCommands("\nstopdownload\n");
2849
2850                 // close the file and reset variables
2851                 FS_Close(host_client->download_file);
2852                 host_client->download_file = NULL;
2853                 host_client->download_name[0] = 0;
2854                 host_client->download_expectedposition = 0;
2855                 host_client->download_started = false;
2856         }
2857
2858         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(cmd, 1), sv.csqc_progname) == 0);
2859
2860         if (!sv_allowdownloads.integer && !is_csqc)
2861         {
2862                 SV_ClientPrintf("Downloads are disabled on this server\n");
2863                 SV_ClientCommands("\nstopdownload\n");
2864                 return;
2865         }
2866
2867         Download_CheckExtensions(cmd);
2868
2869         strlcpy(host_client->download_name, Cmd_Argv(cmd, 1), sizeof(host_client->download_name));
2870         extension = FS_FileExtension(host_client->download_name);
2871
2872         // host_client is asking to download a specified file
2873         if (developer_extra.integer)
2874                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2875
2876         if(is_csqc)
2877         {
2878                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2879                 extensions[0] = '\0';
2880
2881                 if(host_client->download_deflate)
2882                         strlcat(extensions, " deflate", sizeof(extensions));
2883
2884                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2885
2886                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2887                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2888                 else
2889                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2890
2891                 // no, no space is needed between %s and %s :P
2892                 SV_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2893
2894                 host_client->download_expectedposition = 0;
2895                 host_client->download_started = false;
2896                 host_client->sendsignon = true; // make sure this message is sent
2897                 return;
2898         }
2899
2900         if (!FS_FileExists(host_client->download_name))
2901         {
2902                 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);
2903                 SV_ClientCommands("\nstopdownload\n");
2904                 return;
2905         }
2906
2907         // check if the user is trying to download part of registered Quake(r)
2908         whichpack = FS_WhichPack(host_client->download_name);
2909         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2910         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2911         {
2912                 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);
2913                 SV_ClientCommands("\nstopdownload\n");
2914                 return;
2915         }
2916
2917         // check if the server has forbidden archive downloads entirely
2918         if (!sv_allowdownloads_inarchive.integer)
2919         {
2920                 whichpack = FS_WhichPack(host_client->download_name);
2921                 if (whichpack)
2922                 {
2923                         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);
2924                         SV_ClientCommands("\nstopdownload\n");
2925                         return;
2926                 }
2927         }
2928
2929         if (!sv_allowdownloads_config.integer)
2930         {
2931                 if (!strcasecmp(extension, "cfg"))
2932                 {
2933                         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);
2934                         SV_ClientCommands("\nstopdownload\n");
2935                         return;
2936                 }
2937         }
2938
2939         if (!sv_allowdownloads_dlcache.integer)
2940         {
2941                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2942                 {
2943                         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);
2944                         SV_ClientCommands("\nstopdownload\n");
2945                         return;
2946                 }
2947         }
2948
2949         if (!sv_allowdownloads_archive.integer)
2950         {
2951                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2952                 {
2953                         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);
2954                         SV_ClientCommands("\nstopdownload\n");
2955                         return;
2956                 }
2957         }
2958
2959         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2960         if (!host_client->download_file)
2961         {
2962                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2963                 SV_ClientCommands("\nstopdownload\n");
2964                 return;
2965         }
2966
2967         if (FS_FileSize(host_client->download_file) > 1<<30)
2968         {
2969                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2970                 SV_ClientCommands("\nstopdownload\n");
2971                 FS_Close(host_client->download_file);
2972                 host_client->download_file = NULL;
2973                 return;
2974         }
2975
2976         if (FS_FileSize(host_client->download_file) < 0)
2977         {
2978                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2979                 SV_ClientCommands("\nstopdownload\n");
2980                 FS_Close(host_client->download_file);
2981                 host_client->download_file = NULL;
2982                 return;
2983         }
2984
2985         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2986
2987         /*
2988          * we can only do this if we would actually deflate on the fly
2989          * which we do not (yet)!
2990         {
2991                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2992                 extensions[0] = '\0';
2993
2994                 if(host_client->download_deflate)
2995                         strlcat(extensions, " deflate", sizeof(extensions));
2996
2997                 // no, no space is needed between %s and %s :P
2998                 SV_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2999         }
3000         */
3001         SV_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
3002
3003         host_client->download_expectedposition = 0;
3004         host_client->download_started = false;
3005         host_client->sendsignon = true; // make sure this message is sent
3006
3007         // the rest of the download process is handled in SV_SendClientDatagram
3008         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
3009         //
3010         // no svc_downloaddata messages will be sent until sv_startdownload is
3011         // sent by the client
3012 }
3013
3014 /*
3015 ==============================================================================
3016
3017 SERVER SPAWNING
3018
3019 ==============================================================================
3020 */
3021
3022 /*
3023 ================
3024 SV_ModelIndex
3025
3026 ================
3027 */
3028 int SV_ModelIndex(const char *s, int precachemode)
3029 {
3030         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);
3031         char filename[MAX_QPATH];
3032         if (!s || !*s)
3033                 return 0;
3034         // testing
3035         //if (precachemode == 2)
3036         //      return 0;
3037         strlcpy(filename, s, sizeof(filename));
3038         for (i = 2;i < limit;i++)
3039         {
3040                 if (!sv.model_precache[i][0])
3041                 {
3042                         if (precachemode)
3043                         {
3044                                 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))
3045                                 {
3046                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
3047                                         return 0;
3048                                 }
3049                                 if (precachemode == 1)
3050                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
3051                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
3052                                 if (sv.state == ss_loading)
3053                                 {
3054                                         // running from SV_SpawnServer which is launched from the client console command interpreter
3055                                         sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
3056                                 }
3057                                 else
3058                                 {
3059                                         if (svs.threaded)
3060                                         {
3061                                                 // 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
3062                                                 sv.models[i] = Mod_FindName (sv.model_precache[i], s[0] == '*' ? sv.worldname : NULL);
3063                                         }
3064                                         else
3065                                         {
3066                                                 // running single threaded, so we can load the model here
3067                                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
3068                                         }
3069                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
3070                                         MSG_WriteShort(&sv.reliable_datagram, i);
3071                                         MSG_WriteString(&sv.reliable_datagram, filename);
3072                                 }
3073                                 return i;
3074                         }
3075                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
3076                         return 0;
3077                 }
3078                 if (!strcmp(sv.model_precache[i], filename))
3079                         return i;
3080         }
3081         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
3082         return 0;
3083 }
3084
3085 /*
3086 ================
3087 SV_SoundIndex
3088
3089 ================
3090 */
3091 int SV_SoundIndex(const char *s, int precachemode)
3092 {
3093         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);
3094         char filename[MAX_QPATH];
3095         if (!s || !*s)
3096                 return 0;
3097         // testing
3098         //if (precachemode == 2)
3099         //      return 0;
3100         strlcpy(filename, s, sizeof(filename));
3101         for (i = 1;i < limit;i++)
3102         {
3103                 if (!sv.sound_precache[i][0])
3104                 {
3105                         if (precachemode)
3106                         {
3107                                 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))
3108                                 {
3109                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
3110                                         return 0;
3111                                 }
3112                                 if (precachemode == 1)
3113                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
3114                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
3115                                 if (sv.state != ss_loading)
3116                                 {
3117                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
3118                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
3119                                         MSG_WriteString(&sv.reliable_datagram, filename);
3120                                 }
3121                                 return i;
3122                         }
3123                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
3124                         return 0;
3125                 }
3126                 if (!strcmp(sv.sound_precache[i], filename))
3127                         return i;
3128         }
3129         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
3130         return 0;
3131 }
3132
3133 /*
3134 ================
3135 SV_ParticleEffectIndex
3136
3137 ================
3138 */
3139 int SV_ParticleEffectIndex(const char *name)
3140 {
3141         int i, argc, linenumber, effectnameindex;
3142         int filepass;
3143         fs_offset_t filesize;
3144         unsigned char *filedata;
3145         const char *text;
3146         const char *textstart;
3147         //const char *textend;
3148         char argv[16][1024];
3149         char filename[MAX_QPATH];
3150         if (!sv.particleeffectnamesloaded)
3151         {
3152                 sv.particleeffectnamesloaded = true;
3153                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
3154                 for (i = 0;i < EFFECT_TOTAL;i++)
3155                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
3156                 for (filepass = 0;;filepass++)
3157                 {
3158                         if (filepass == 0)
3159                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
3160                         else if (filepass == 1)
3161                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
3162                         else
3163                                 break;
3164                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
3165                         if (!filedata)
3166                                 continue;
3167                         textstart = (const char *)filedata;
3168                         //textend = (const char *)filedata + filesize;
3169                         text = textstart;
3170                         for (linenumber = 1;;linenumber++)
3171                         {
3172                                 argc = 0;
3173                                 for (;;)
3174                                 {
3175                                         if (!COM_ParseToken_Simple(&text, true, false, true) || !strcmp(com_token, "\n"))
3176                                                 break;
3177                                         if (argc < 16)
3178                                         {
3179                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
3180                                                 argc++;
3181                                         }
3182                                 }
3183                                 if (com_token[0] == 0)
3184                                         break; // if the loop exited and it's not a \n, it's EOF
3185                                 if (argc < 1)
3186                                         continue;
3187                                 if (!strcmp(argv[0], "effect"))
3188                                 {
3189                                         if (argc == 2)
3190                                         {
3191                                                 for (effectnameindex = 1;effectnameindex < MAX_PARTICLEEFFECTNAME;effectnameindex++)
3192                                                 {
3193                                                         if (sv.particleeffectname[effectnameindex][0])
3194                                                         {
3195                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
3196                                                                         break;
3197                                                         }
3198                                                         else
3199                                                         {
3200                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
3201                                                                 break;
3202                                                         }
3203                                                 }
3204                                                 // if we run out of names, abort
3205                                                 if (effectnameindex == MAX_PARTICLEEFFECTNAME)
3206                                                 {
3207                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
3208                                                         break;
3209                                                 }
3210                                         }
3211                                 }
3212                         }
3213                         Mem_Free(filedata);
3214                 }
3215         }
3216         // search for the name
3217         for (effectnameindex = 1;effectnameindex < MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
3218                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
3219                         return effectnameindex;
3220         // return 0 if we couldn't find it
3221         return 0;
3222 }
3223
3224 dp_model_t *SV_GetModelByIndex(int modelindex)
3225 {
3226         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3227 }
3228
3229 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
3230 {
3231         prvm_prog_t *prog = SVVM_prog;
3232         int modelindex;
3233         if (!ed || ed->priv.server->free)
3234                 return NULL;
3235         modelindex = (int)PRVM_serveredictfloat(ed, modelindex);
3236         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3237 }
3238
3239 /*
3240 ================
3241 SV_CreateBaseline
3242
3243 ================
3244 */
3245 static void SV_CreateBaseline (void)
3246 {
3247         prvm_prog_t *prog = SVVM_prog;
3248         int i, entnum, large;
3249         prvm_edict_t *svent;
3250
3251         // LadyHavoc: clear *all* baselines (not just active ones)
3252         for (entnum = 0;entnum < prog->max_edicts;entnum++)
3253         {
3254                 // get the current server version
3255                 svent = PRVM_EDICT_NUM(entnum);
3256
3257                 // LadyHavoc: always clear state values, whether the entity is in use or not
3258                 svent->priv.server->baseline = defaultstate;
3259
3260                 if (svent->priv.server->free)
3261                         continue;
3262                 if (entnum > svs.maxclients && !PRVM_serveredictfloat(svent, modelindex))
3263                         continue;
3264
3265                 // create entity baseline
3266                 VectorCopy (PRVM_serveredictvector(svent, origin), svent->priv.server->baseline.origin);
3267                 VectorCopy (PRVM_serveredictvector(svent, angles), svent->priv.server->baseline.angles);
3268                 svent->priv.server->baseline.frame = (int)PRVM_serveredictfloat(svent, frame);
3269                 svent->priv.server->baseline.skin = (int)PRVM_serveredictfloat(svent, skin);
3270                 if (entnum > 0 && entnum <= svs.maxclients)
3271                 {
3272                         svent->priv.server->baseline.colormap = entnum;
3273                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
3274                 }
3275                 else
3276                 {
3277                         svent->priv.server->baseline.colormap = 0;
3278                         svent->priv.server->baseline.modelindex = (int)PRVM_serveredictfloat(svent, modelindex);
3279                 }
3280
3281                 large = false;
3282                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
3283                 {
3284                         large = true;
3285                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3286                                 large = false;
3287                 }
3288
3289                 // add to the message
3290                 if (large)
3291                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
3292                 else
3293                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
3294                 MSG_WriteShort (&sv.signon, entnum);
3295
3296                 if (large)
3297                 {
3298                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3299                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
3300                 }
3301                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3302                 {
3303                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3304                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3305                 }
3306                 else
3307                 {
3308                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
3309                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3310                 }
3311                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
3312                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
3313                 for (i=0 ; i<3 ; i++)
3314                 {
3315                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
3316                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
3317                 }
3318         }
3319 }
3320
3321 /*
3322 ================
3323 SV_Prepare_CSQC
3324
3325 Load csprogs.dat and comperss it so it doesn't need to be
3326 reloaded on request.
3327 ================
3328 */
3329 static void SV_Prepare_CSQC(void)
3330 {
3331         fs_offset_t progsize;
3332
3333         if(svs.csqc_progdata)
3334         {
3335                 Con_DPrintf("Unloading old CSQC data.\n");
3336                 Mem_Free(svs.csqc_progdata);
3337                 if(svs.csqc_progdata_deflated)
3338                         Mem_Free(svs.csqc_progdata_deflated);
3339         }
3340
3341         svs.csqc_progdata = NULL;
3342         svs.csqc_progdata_deflated = NULL;
3343
3344         sv.csqc_progname[0] = 0;
3345         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
3346
3347         if(progsize > 0)
3348         {
3349                 size_t deflated_size;
3350
3351                 sv.csqc_progsize = (int)progsize;
3352                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
3353                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
3354                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
3355
3356                 Con_DPrint("Compressing csprogs.dat\n");
3357                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
3358                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
3359                 svs.csqc_progsize_deflated = (int)deflated_size;
3360                 if(svs.csqc_progdata_deflated)
3361                 {
3362                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
3363                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
3364                 }
3365                 else
3366                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
3367         }
3368 }
3369
3370 /*
3371 ================
3372 SV_SaveSpawnparms
3373
3374 Grabs the current state of each client for saving across the
3375 transition to another level
3376 ================
3377 */
3378 void SV_SaveSpawnparms (void)
3379 {
3380         prvm_prog_t *prog = SVVM_prog;
3381         int             i, j;
3382
3383         svs.serverflags = (int)PRVM_serverglobalfloat(serverflags);
3384
3385         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3386         {
3387                 if (!host_client->active)
3388                         continue;
3389
3390         // call the progs to get default spawn parms for the new client
3391                 PRVM_serverglobalfloat(time) = sv.time;
3392                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3393                 prog->ExecuteProgram(prog, PRVM_serverfunction(SetChangeParms), "QC function SetChangeParms is missing");
3394                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
3395                         host_client->spawn_parms[j] = (&PRVM_serverglobalfloat(parm1))[j];
3396         }
3397 }
3398
3399 /*
3400 ================
3401 SV_SpawnServer
3402
3403 This is called at the start of each level
3404 ================
3405 */
3406
3407 void SV_SpawnServer (const char *server)
3408 {
3409         prvm_prog_t *prog = SVVM_prog;
3410         prvm_edict_t *ent;
3411         int i;
3412         char *entities;
3413         dp_model_t *worldmodel;
3414         char modelname[sizeof(sv.worldname)];
3415         char vabuf[1024];
3416
3417         Con_DPrintf("SpawnServer: %s\n", server);
3418
3419         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
3420
3421         if (!FS_FileExists(modelname))
3422         {
3423                 dpsnprintf (modelname, sizeof(modelname), "maps/%s", server);
3424                 if (!FS_FileExists(modelname))
3425                 {
3426                         Con_Printf("SpawnServer: no map file named maps/%s.bsp\n", server);
3427                         return;
3428                 }
3429         }
3430
3431 //      SV_LockThreadMutex();
3432
3433         if(cls.state == ca_dedicated)
3434                 Sys_MakeProcessNice();
3435
3436         if (cls.state != ca_dedicated)
3437         {
3438                 SCR_BeginLoadingPlaque(false);
3439                 S_StopAllSounds();
3440         }
3441
3442         if(sv.active)
3443         {
3444                 World_End(&sv.world);
3445                 if(PRVM_serverfunction(SV_Shutdown))
3446                 {
3447                         func_t s = PRVM_serverfunction(SV_Shutdown);
3448                         PRVM_serverglobalfloat(time) = sv.time;
3449                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
3450                         prog->ExecuteProgram(prog, s,"SV_Shutdown() required");
3451                 }
3452         }
3453
3454         // free q3 shaders so that any newly downloaded shaders will be active
3455         Mod_FreeQ3Shaders();
3456
3457         worldmodel = Mod_ForName(modelname, false, developer.integer > 0, NULL);
3458         if (!worldmodel || !worldmodel->TraceBox)
3459         {
3460                 Con_Printf("Couldn't load map %s\n", modelname);
3461
3462                 if(cls.state == ca_dedicated)
3463                         Sys_MakeProcessMean();
3464
3465 //              SV_UnlockThreadMutex();
3466
3467                 return;
3468         }
3469
3470         Collision_Cache_Reset(true);
3471
3472         // let's not have any servers with no name
3473         if (hostname.string[0] == 0)
3474                 Cvar_SetQuick(&hostname, "UNNAMED");
3475         scr_centertime_off = 0;
3476
3477         svs.changelevel_issued = false;         // now safe to issue another
3478
3479         // make the map a required file for clients
3480         Curl_ClearRequirements();
3481         Curl_RequireFile(modelname);
3482
3483 //
3484 // tell all connected clients that we are going to a new level
3485 //
3486         if (sv.active)
3487         {
3488                 client_t *client;
3489                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3490                 {
3491                         if (client->netconnection)
3492                         {
3493                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3494                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3495                         }
3496                 }
3497         }
3498         else
3499         {
3500                 // open server port
3501                 NetConn_OpenServerPorts(true);
3502         }
3503
3504 //
3505 // make cvars consistant
3506 //
3507         if (coop.integer)
3508                 Cvar_SetValueQuick(&deathmatch, 0);
3509         // LadyHavoc: it can be useful to have skills outside the range 0-3...
3510         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3511         //Cvar_SetValue ("skill", (float)current_skill);
3512         current_skill = (int)(skill.value + 0.5);
3513
3514 //
3515 // set up the new server
3516 //
3517         memset (&sv, 0, sizeof(sv));
3518         // if running a local client, make sure it doesn't try to access the last
3519         // level's data which is no longer valiud
3520         cls.signon = 0;
3521
3522         Cvar_SetValueQuick(&halflifebsp, worldmodel->brush.ishlbsp);
3523         Cvar_SetValueQuick(&sv_mapformat_is_quake2, worldmodel->brush.isq2bsp);
3524         Cvar_SetValueQuick(&sv_mapformat_is_quake3, worldmodel->brush.isq3bsp);
3525
3526         if(*sv_random_seed.string)
3527         {
3528                 srand(sv_random_seed.integer);
3529                 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);
3530         }
3531
3532         SV_VM_Setup();
3533
3534         sv.active = true;
3535
3536         // set level base name variables for later use
3537         strlcpy (sv.name, server, sizeof (sv.name));
3538         strlcpy(sv.worldname, modelname, sizeof(sv.worldname));
3539         FS_StripExtension(sv.worldname, sv.worldnamenoextension, sizeof(sv.worldnamenoextension));
3540         strlcpy(sv.worldbasename, !strncmp(sv.worldnamenoextension, "maps/", 5) ? sv.worldnamenoextension + 5 : sv.worldnamenoextension, sizeof(sv.worldbasename));
3541         //Cvar_SetQuick(&sv_worldmessage, sv.worldmessage); // set later after QC is spawned
3542         Cvar_SetQuick(&sv_worldname, sv.worldname);
3543         Cvar_SetQuick(&sv_worldnamenoextension, sv.worldnamenoextension);
3544         Cvar_SetQuick(&sv_worldbasename, sv.worldbasename);
3545
3546         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3547         if (sv.protocol == PROTOCOL_UNKNOWN)
3548         {
3549                 char buffer[1024];
3550                 Protocol_Names(buffer, sizeof(buffer));
3551                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3552                 sv.protocol = PROTOCOL_QUAKE;
3553         }
3554
3555 // load progs to get entity field count
3556         //PR_LoadProgs ( sv_progs.string );
3557
3558         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3559         sv.datagram.cursize = 0;
3560         sv.datagram.data = sv.datagram_buf;
3561
3562         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3563         sv.reliable_datagram.cursize = 0;
3564         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3565
3566         sv.signon.maxsize = sizeof(sv.signon_buf);
3567         sv.signon.cursize = 0;
3568         sv.signon.data = sv.signon_buf;
3569
3570 // leave slots at start for clients only
3571         //prog->num_edicts = svs.maxclients+1;
3572
3573         sv.state = ss_loading;
3574         prog->allowworldwrites = true;
3575         sv.paused = false;
3576
3577         sv.time = 1.0;
3578
3579         Mod_ClearUsed();
3580         worldmodel->used = true;
3581
3582         sv.worldmodel = worldmodel;
3583         sv.models[1] = sv.worldmodel;
3584
3585 //
3586 // clear world interaction links
3587 //
3588         World_SetSize(&sv.world, sv.worldname, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs, prog);
3589         World_Start(&sv.world);
3590
3591         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3592
3593         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3594         strlcpy(sv.model_precache[1], sv.worldname, sizeof(sv.model_precache[1]));
3595         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3596         {
3597                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3598                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.worldname);
3599         }
3600         if(i < sv.worldmodel->brush.numsubmodels)
3601                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3602
3603 //
3604 // load the rest of the entities
3605 //
3606         // AK possible hack since num_edicts is still 0
3607         ent = PRVM_EDICT_NUM(0);
3608         memset (ent->fields.fp, 0, prog->entityfields * sizeof(prvm_vec_t));
3609         ent->priv.server->free = false;
3610         PRVM_serveredictstring(ent, model) = PRVM_SetEngineString(prog, sv.worldname);
3611         PRVM_serveredictfloat(ent, modelindex) = 1;             // world model
3612         PRVM_serveredictfloat(ent, solid) = SOLID_BSP;
3613         PRVM_serveredictfloat(ent, movetype) = MOVETYPE_PUSH;
3614         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, mins));
3615         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, maxs));
3616         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, absmin));
3617         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, absmax));
3618
3619         if (coop.value)
3620                 PRVM_serverglobalfloat(coop) = coop.integer;
3621         else
3622                 PRVM_serverglobalfloat(deathmatch) = deathmatch.integer;
3623
3624         PRVM_serverglobalstring(mapname) = PRVM_SetEngineString(prog, sv.name);
3625
3626 // serverflags are for cross level information (sigils)
3627         PRVM_serverglobalfloat(serverflags) = svs.serverflags;
3628
3629         // we need to reset the spawned flag on all connected clients here so that
3630         // their thinks don't run during startup (before PutClientInServer)
3631         // we also need to set up the client entities now
3632         // and we need to set the ->edict pointers to point into the progs edicts
3633         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3634         {
3635                 host_client->begun = false;
3636                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3637                 PRVM_ED_ClearEdict(prog, host_client->edict);
3638         }
3639
3640         // load replacement entity file if found
3641         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va(vabuf, sizeof(vabuf), "%s.ent", sv.worldnamenoextension), tempmempool, true, NULL)))
3642         {
3643                 Con_Printf("Loaded %s.ent\n", sv.worldnamenoextension);
3644                 PRVM_ED_LoadFromFile(prog, entities);
3645                 Mem_Free(entities);
3646         }
3647         else
3648                 PRVM_ED_LoadFromFile(prog, sv.worldmodel->brush.entities);
3649
3650
3651         // LadyHavoc: clear world angles (to fix e3m3.bsp)
3652         VectorClear(PRVM_serveredictvector(prog->edicts, angles));
3653
3654 // all setup is completed, any further precache statements are errors
3655 //      sv.state = ss_active; // LadyHavoc: workaround for svc_precache bug
3656         prog->allowworldwrites = false;
3657
3658 // run two frames to allow everything to settle
3659         sv.time = 1.0001;
3660         for (i = 0;i < sv_init_frame_count.integer;i++)
3661         {
3662                 sv.frametime = 0.1;
3663                 SV_Physics ();
3664         }
3665
3666         // Once all init frames have been run, we consider svqc code fully initialized.
3667         prog->inittime = host.realtime;
3668
3669         if (cls.state == ca_dedicated)
3670                 Mod_PurgeUnused();
3671
3672 // create a baseline for more efficient communications
3673         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)
3674                 SV_CreateBaseline ();
3675
3676         sv.state = ss_active; // LadyHavoc: workaround for svc_precache bug
3677
3678 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3679         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3680         {
3681                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3682                 if (!host_client->active)
3683                         continue;
3684                 if (host_client->netconnection)
3685                         SV_SendServerinfo(host_client);
3686                 else
3687                 {
3688                         int j;
3689                         // if client is a botclient coming from a level change, we need to
3690                         // set up client info that normally requires networking
3691
3692                         // copy spawn parms out of the client_t
3693                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3694                                 (&PRVM_serverglobalfloat(parm1))[j] = host_client->spawn_parms[j];
3695
3696                         // call the spawn function
3697                         host_client->clientconnectcalled = true;
3698                         PRVM_serverglobalfloat(time) = sv.time;
3699                         PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3700                         prog->ExecuteProgram(prog, PRVM_serverfunction(ClientConnect), "QC function ClientConnect is missing");
3701                         prog->ExecuteProgram(prog, PRVM_serverfunction(PutClientInServer), "QC function PutClientInServer is missing");
3702                         host_client->begun = true;
3703                 }
3704         }
3705
3706         // update the map title cvar
3707         strlcpy(sv.worldmessage, PRVM_GetString(prog, PRVM_serveredictstring(prog->edicts, message)), sizeof(sv.worldmessage)); // map title (not related to filename)
3708         Cvar_SetQuick(&sv_worldmessage, sv.worldmessage);
3709
3710         Con_DPrint("Server spawned.\n");
3711         NetConn_Heartbeat (2);
3712
3713         if(cls.state == ca_dedicated)
3714                 Sys_MakeProcessMean();
3715
3716 //      SV_UnlockThreadMutex();
3717 }
3718
3719 /*
3720 ==================
3721 SV_Shutdown
3722
3723 This only happens at the end of a game, not between levels
3724 ==================
3725 */
3726 void SV_Shutdown(void)
3727 {
3728         prvm_prog_t *prog = SVVM_prog;
3729         int i;
3730
3731         Con_DPrintf("SV_Shutdown\n");
3732
3733         if (!sv.active)
3734                 return;
3735
3736         NetConn_Heartbeat(2);
3737         NetConn_Heartbeat(2);
3738
3739 // make sure all the clients know we're disconnecting
3740         World_End(&sv.world);
3741         if(prog->loaded)
3742         {
3743                 if(PRVM_serverfunction(SV_Shutdown))
3744                 {
3745                         func_t s = PRVM_serverfunction(SV_Shutdown);
3746                         PRVM_serverglobalfloat(time) = sv.time;
3747                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
3748                         prog->ExecuteProgram(prog, s,"SV_Shutdown() required");
3749                 }
3750         }
3751         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3752                 if (host_client->active)
3753                         SV_DropClient(false); // server shutdown
3754
3755         NetConn_CloseServerPorts();
3756
3757         sv.active = false;
3758 //
3759 // clear structures
3760 //
3761         memset(&sv, 0, sizeof(sv));
3762         memset(svs.clients, 0, svs.maxclients*sizeof(client_t));
3763
3764         cl.islocalgame = false;
3765 }
3766
3767 /////////////////////////////////////////////////////
3768 // SV VM stuff
3769
3770 static void SVVM_begin_increase_edicts(prvm_prog_t *prog)
3771 {
3772         // links don't survive the transition, so unlink everything
3773         World_UnlinkAll(&sv.world);
3774 }
3775
3776 static void SVVM_end_increase_edicts(prvm_prog_t *prog)
3777 {
3778         int i;
3779         prvm_edict_t *ent;
3780
3781         // link every entity except world
3782         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
3783                 if (!ent->priv.server->free && !VectorCompare(PRVM_serveredictvector(ent, absmin), PRVM_serveredictvector(ent, absmax)))
3784                         SV_LinkEdict(ent);
3785 }
3786
3787 static void SVVM_init_edict(prvm_prog_t *prog, prvm_edict_t *e)
3788 {
3789         // LadyHavoc: for consistency set these here
3790         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3791
3792         e->priv.server->move = false; // don't move on first frame
3793
3794         if (num >= 0 && num < svs.maxclients)
3795         {
3796                 // set colormap and team on newly created player entity
3797                 PRVM_serveredictfloat(e, colormap) = num + 1;
3798                 PRVM_serveredictfloat(e, team) = (svs.clients[num].colors & 15) + 1;
3799                 // set netname/clientcolors back to client values so that
3800                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3801                 // reset them
3802                 PRVM_serveredictstring(e, netname) = PRVM_SetEngineString(prog, svs.clients[num].name);
3803                 PRVM_serveredictfloat(e, clientcolors) = svs.clients[num].colors;
3804                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3805                 PRVM_serveredictstring(e, playermodel) = PRVM_SetEngineString(prog, svs.clients[num].playermodel);
3806                 PRVM_serveredictstring(e, playerskin) = PRVM_SetEngineString(prog, svs.clients[num].playerskin);
3807                 // Assign netaddress (IP Address, etc)
3808                 if(svs.clients[num].netconnection != NULL)
3809                 {
3810                         // Acquire Readable Address
3811                         LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3812                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(prog, svs.clients[num].netaddress);
3813                 }
3814                 else
3815                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(prog, "null/botclient");
3816                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_idfp[0])
3817                         PRVM_serveredictstring(e, crypto_idfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.client_idfp);
3818                 else
3819                         PRVM_serveredictstring(e, crypto_idfp) = 0;
3820                 PRVM_serveredictfloat(e, crypto_idfp_signed) = (svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_issigned);
3821                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_keyfp[0])
3822                         PRVM_serveredictstring(e, crypto_keyfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.client_keyfp);
3823                 else
3824                         PRVM_serveredictstring(e, crypto_keyfp) = 0;
3825                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.server_keyfp[0])
3826                         PRVM_serveredictstring(e, crypto_mykeyfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.server_keyfp);
3827                 else
3828                         PRVM_serveredictstring(e, crypto_mykeyfp) = 0;
3829                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.use_aes)
3830                         PRVM_serveredictstring(e, crypto_encryptmethod) = PRVM_SetEngineString(prog, "AES128");
3831                 else
3832                         PRVM_serveredictstring(e, crypto_encryptmethod) = 0;
3833                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated)
3834                         PRVM_serveredictstring(e, crypto_signmethod) = PRVM_SetEngineString(prog, "HMAC-SHA256");
3835                 else
3836                         PRVM_serveredictstring(e, crypto_signmethod) = 0;
3837         }
3838 }
3839
3840 static void SVVM_free_edict(prvm_prog_t *prog, prvm_edict_t *ed)
3841 {
3842         int i;
3843         int e;
3844
3845         World_UnlinkEdict(ed);          // unlink from world bsp
3846
3847         PRVM_serveredictstring(ed, model) = 0;
3848         PRVM_serveredictfloat(ed, takedamage) = 0;
3849         PRVM_serveredictfloat(ed, modelindex) = 0;
3850         PRVM_serveredictfloat(ed, colormap) = 0;
3851         PRVM_serveredictfloat(ed, skin) = 0;
3852         PRVM_serveredictfloat(ed, frame) = 0;
3853         VectorClear(PRVM_serveredictvector(ed, origin));
3854         VectorClear(PRVM_serveredictvector(ed, angles));
3855         PRVM_serveredictfloat(ed, nextthink) = -1;
3856         PRVM_serveredictfloat(ed, solid) = 0;
3857
3858         VM_RemoveEdictSkeleton(prog, ed);
3859         World_Physics_RemoveFromEntity(&sv.world, ed);
3860         World_Physics_RemoveJointFromEntity(&sv.world, ed);
3861
3862         // make sure csqc networking is aware of the removed entity
3863         e = PRVM_NUM_FOR_EDICT(ed);
3864         sv.csqcentityversion[e] = 0;
3865         for (i = 0;i < svs.maxclients;i++)
3866                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3867 }
3868
3869 static void SVVM_count_edicts(prvm_prog_t *prog)
3870 {
3871         int             i;
3872         prvm_edict_t    *ent;
3873         int             active, models, solid, step;
3874
3875         active = models = solid = step = 0;
3876         for (i=0 ; i<prog->num_edicts ; i++)
3877         {
3878                 ent = PRVM_EDICT_NUM(i);
3879                 if (ent->priv.server->free)
3880                         continue;
3881                 active++;
3882                 if (PRVM_serveredictfloat(ent, solid))
3883                         solid++;
3884                 if (PRVM_serveredictstring(ent, model))
3885                         models++;
3886                 if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
3887                         step++;
3888         }
3889
3890         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3891         Con_Printf("active    :%3i\n", active);
3892         Con_Printf("view      :%3i\n", models);
3893         Con_Printf("touch     :%3i\n", solid);
3894         Con_Printf("step      :%3i\n", step);
3895 }
3896
3897 static qboolean SVVM_load_edict(prvm_prog_t *prog, prvm_edict_t *ent)
3898 {
3899         // remove things from different skill levels or deathmatch
3900         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3901         {
3902                 if (deathmatch.integer)
3903                 {
3904                         if (((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_DEATHMATCH))
3905                         {
3906                                 return false;
3907                         }
3908                 }
3909                 else if ((current_skill <= 0 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_EASY  ))
3910                         || (current_skill == 1 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_MEDIUM))
3911                         || (current_skill >= 2 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_HARD  )))
3912                 {
3913                         return false;
3914                 }
3915         }
3916         return true;
3917 }
3918
3919 static void SV_VM_Setup(void)
3920 {
3921         prvm_prog_t *prog = SVVM_prog;
3922         PRVM_Prog_Init(prog, &cmd_server);
3923
3924         // allocate the mempools
3925         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3926         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3927         prog->builtins = vm_sv_builtins;
3928         prog->numbuiltins = vm_sv_numbuiltins;
3929         prog->max_edicts = 512;
3930         if (sv.protocol == PROTOCOL_QUAKE)
3931                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3932         else if (sv.protocol == PROTOCOL_QUAKEDP)
3933                 prog->limit_edicts = 2048; // guessing
3934         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3935                 prog->limit_edicts = 2048; // guessing!
3936         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3937                 prog->limit_edicts = 4096; // guessing!
3938         else
3939                 prog->limit_edicts = MAX_EDICTS;
3940         prog->reserved_edicts = svs.maxclients;
3941         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3942         prog->name = "server";
3943         prog->extensionstring = vm_sv_extensions;
3944         prog->loadintoworld = true;
3945
3946         // all callbacks must be defined (pointers are not checked before calling)
3947         prog->begin_increase_edicts = SVVM_begin_increase_edicts;
3948         prog->end_increase_edicts   = SVVM_end_increase_edicts;
3949         prog->init_edict            = SVVM_init_edict;
3950         prog->free_edict            = SVVM_free_edict;
3951         prog->count_edicts          = SVVM_count_edicts;
3952         prog->load_edict            = SVVM_load_edict;
3953         prog->init_cmd              = SVVM_init_cmd;
3954         prog->reset_cmd             = SVVM_reset_cmd;
3955         prog->error_cmd             = Host_Error;
3956         prog->ExecuteProgram        = SVVM_ExecuteProgram;
3957
3958         PRVM_Prog_Load(prog, sv_progs.string, NULL, 0, SV_REQFUNCS, sv_reqfuncs, SV_REQFIELDS, sv_reqfields, SV_REQGLOBALS, sv_reqglobals);
3959
3960         // some mods compiled with scrambling compilers lack certain critical
3961         // global names and field names such as "self" and "time" and "nextthink"
3962         // so we have to set these offsets manually, matching the entvars_t
3963         // but we only do this if the prog header crc matches, otherwise it's totally freeform
3964         if (prog->progs_crc == PROGHEADER_CRC || prog->progs_crc == PROGHEADER_CRC_TENEBRAE)
3965         {
3966                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, modelindex);
3967                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmin);
3968                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmax);
3969                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ltime);
3970                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movetype);
3971                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, solid);
3972                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, origin);
3973                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, oldorigin);
3974                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, velocity);
3975                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3976                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, avelocity);
3977                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, punchangle);
3978                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3979                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, model);
3980                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3981                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, skin);
3982                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, effects);
3983                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, mins);
3984                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, maxs);
3985                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, size);
3986                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, touch);
3987                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, use);
3988                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3989                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, blocked);
3990                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3991                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3992                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, health);
3993                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frags);
3994                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weapon);
3995                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponmodel);
3996                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponframe);
3997                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, currentammo);
3998                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_shells);
3999                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_nails);
4000                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_rockets);
4001                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_cells);
4002                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, items);
4003                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, takedamage);
4004                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
4005                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, deadflag);
4006                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, view_ofs);
4007                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button0);
4008                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button1);
4009                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button2);
4010                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, impulse);
4011                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, fixangle);
4012                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, v_angle);
4013                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, idealpitch);
4014                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, netname);
4015                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, enemy);
4016                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, flags);
4017                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, colormap);
4018                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, team);
4019                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, max_health);
4020                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, teleport_time);
4021                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armortype);
4022                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armorvalue);
4023                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, waterlevel);
4024                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, watertype);
4025                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
4026                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
4027                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, aiment);
4028                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, goalentity);
4029                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, spawnflags);
4030                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, target);
4031                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, targetname);
4032                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_take);
4033                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_save);
4034                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_inflictor);
4035                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, owner);
4036                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movedir);
4037                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, message);
4038                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, sounds);
4039                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise);
4040                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise1);
4041                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise2);
4042                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise3);
4043                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
4044                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, other);
4045                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, world);
4046                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
4047                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, frametime);
4048                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, force_retouch);
4049                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, mapname);
4050                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, deathmatch);
4051                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, coop);
4052                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, teamplay);
4053                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, serverflags);
4054                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_secrets);
4055                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_monsters);
4056                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, found_secrets);
4057                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, killed_monsters);
4058                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm1);
4059                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm2);
4060                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm3);
4061                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm4);
4062                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm5);
4063                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm6);
4064                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm7);
4065                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm8);
4066                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm9);
4067                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm10);
4068                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm11);
4069                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm12);
4070                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm13);
4071                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm14);
4072                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm15);
4073                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm16);
4074                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
4075                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
4076                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
4077                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
4078                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
4079                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
4080                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
4081                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
4082                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
4083                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
4084                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
4085                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
4086                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, msg_entity);
4087 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, main);
4088 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, StartFrame);
4089 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPreThink);
4090 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPostThink);
4091 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientKill);
4092 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientConnect);
4093 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PutClientInServer);
4094 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientDisconnect);
4095 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetNewParms);
4096 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetChangeParms);
4097         }
4098         else
4099                 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);
4100
4101         // OP_STATE is always supported on server because we add fields/globals for it
4102         prog->flag |= PRVM_OP_STATE;
4103
4104         VM_CustomStats_Clear();//[515]: csqc
4105
4106         SV_Prepare_CSQC();
4107 }
4108
4109 extern cvar_t host_maxwait;
4110 extern cvar_t host_framerate;
4111 static int SV_ThreadFunc(void *voiddata)
4112 {
4113         prvm_prog_t *prog = SVVM_prog;
4114         qboolean playing = false;
4115         double sv_timer = 0;
4116         double sv_deltarealtime, sv_oldrealtime, sv_realtime;
4117         double wait;
4118         int i;
4119         char vabuf[1024];
4120         sv_realtime = Sys_DirtyTime();
4121         while (!svs.threadstop)
4122         {
4123                 // FIXME: we need to handle Host_Error in the server thread somehow
4124 //              if (setjmp(sv_abortframe))
4125 //                      continue;                       // something bad happened in the server game
4126
4127                 sv_oldrealtime = sv_realtime;
4128                 sv_realtime = Sys_DirtyTime();
4129                 sv_deltarealtime = sv_realtime - sv_oldrealtime;
4130                 if (sv_deltarealtime < 0 || sv_deltarealtime >= 1800) sv_deltarealtime = 0;
4131
4132                 sv_timer += sv_deltarealtime;
4133
4134                 svs.perf_acc_realtime += sv_deltarealtime;
4135
4136                 // 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)
4137                 SV_LockThreadMutex();
4138
4139                 // Look for clients who have spawned
4140                 playing = false;
4141                 if (sv.active)
4142                         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
4143                                 if(host_client->begun)
4144                                         if(host_client->netconnection)
4145                                                 playing = true;
4146                 if(sv.time < 10)
4147                 {
4148                         // don't accumulate time for the first 10 seconds of a match
4149                         // so things can settle
4150                         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;
4151                 }
4152                 else if(svs.perf_acc_realtime > 5)
4153                 {
4154                         svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
4155                         svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
4156                         if(svs.perf_acc_offset_samples > 0)
4157                         {
4158                                 svs.perf_offset_max = svs.perf_acc_offset_max;
4159                                 svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
4160                                 svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
4161                         }
4162                         if(svs.perf_lost > 0 && developer_extra.integer)
4163                                 if(playing)
4164                                         Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport(vabuf, sizeof(vabuf)));
4165                         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;
4166                 }
4167
4168                 // get new packets
4169                 if (sv.active)
4170                         NetConn_ServerFrame();
4171
4172                 // if the accumulators haven't become positive yet, wait a while
4173                 wait = sv_timer * -1000000.0;
4174                 if (wait >= 1)
4175                 {
4176                         double time0, delta;
4177                         SV_UnlockThreadMutex(); // don't keep mutex locked while sleeping
4178                         if (host_maxwait.value <= 0)
4179                                 wait = min(wait, 1000000.0);
4180                         else
4181                                 wait = min(wait, host_maxwait.value * 1000.0);
4182                         if(wait < 1)
4183                                 wait = 1; // because we cast to int
4184                         time0 = Sys_DirtyTime();
4185                         Sys_Sleep((int)wait);
4186                         delta = Sys_DirtyTime() - time0;if (delta < 0 || delta >= 1800) delta = 0;
4187                         svs.perf_acc_sleeptime += delta;
4188                         continue;
4189                 }
4190
4191                 if (sv.active && sv_timer > 0)
4192                 {
4193                         // execute one server frame
4194                         double advancetime;
4195                         float offset;
4196
4197                         if (sys_ticrate.value <= 0)
4198                                 advancetime = min(sv_timer, 0.1); // don't step more than 100ms
4199                         else
4200                                 advancetime = sys_ticrate.value;
4201
4202                         if(advancetime > 0)
4203                         {
4204                                 offset = sv_timer + (Sys_DirtyTime() - sv_realtime); // LadyHavoc: FIXME: I don't understand this line
4205                                 ++svs.perf_acc_offset_samples;
4206                                 svs.perf_acc_offset += offset;
4207                                 svs.perf_acc_offset_squared += offset * offset;
4208                                 if(svs.perf_acc_offset_max < offset)
4209                                         svs.perf_acc_offset_max = offset;
4210                         }
4211
4212                         // only advance time if not paused
4213                         // the game also pauses in singleplayer when menu or console is used
4214                         sv.frametime = advancetime * host_timescale.value;
4215                         if (host_framerate.value)
4216                                 sv.frametime = host_framerate.value;
4217                         if (sv.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
4218                                 sv.frametime = 0;
4219
4220                         sv_timer -= advancetime;
4221
4222                         // move things around and think unless paused
4223                         if (sv.frametime)
4224                                 SV_Physics();
4225
4226                         // send all messages to the clients
4227                         SV_SendClientMessages();
4228
4229                         if (sv.paused == 1 && sv_realtime > sv.pausedstart && sv.pausedstart > 0)
4230                         {
4231                                 PRVM_serverglobalfloat(time) = sv.time;
4232                                 prog->globals.fp[OFS_PARM0] = sv_realtime - sv.pausedstart;
4233                                 prog->ExecuteProgram(prog, PRVM_serverfunction(SV_PausedTic), "QC function SV_PausedTic is missing");
4234                         }
4235
4236                         // send an heartbeat if enough time has passed since the last one
4237                         NetConn_Heartbeat(0);
4238
4239                 }
4240
4241                 // we're back to safe code now
4242                 SV_UnlockThreadMutex();
4243
4244                 // if there is some time remaining from this frame, reset the timers
4245                 if (sv_timer >= 0)
4246                 {
4247                         svs.perf_acc_lost += sv_timer;
4248                         sv_timer = 0;
4249                 }
4250         }
4251         return 0;
4252 }
4253
4254 void SV_StartThread(void)
4255 {
4256         if (!sv_threaded.integer || !Thread_HasThreads())
4257                 return;
4258         svs.threaded = true;
4259         svs.threadstop = false;
4260         svs.threadmutex = Thread_CreateMutex();
4261         svs.thread = Thread_CreateThread(SV_ThreadFunc, NULL);
4262 }
4263
4264 void SV_StopThread(void)
4265 {
4266         if (!svs.threaded)
4267                 return;
4268         svs.threadstop = true;
4269         Thread_WaitThread(svs.thread, 0);
4270         Thread_DestroyMutex(svs.threadmutex);
4271         svs.threaded = false;
4272 }