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(cvar_t *var)
 418 {
 419         if(var->value < 0.00001 && var->value != 0)
 420                 Cvar_SetValueQuick(var, 0);
 421 }
 422
 423 //============================================================================
 424
 425 static void SV_AreaStats_f(cmd_state_t *cmd)
 426 {
 427         World_PrintAreaStats(&sv.world, "server");
 428 }
 429
 430 /*
 431 ===============
 432 SV_Init
 433 ===============
 434 */
 435 void SV_Init (void)
 436 {
 437         // init the csqc progs cvars, since they are updated/used by the server code
 438         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
 439         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
 440         extern cvar_t csqc_progcrc;
 441         extern cvar_t csqc_progsize;
 442         extern cvar_t csqc_usedemoprogs;
 443
 444         Cvar_RegisterVariable(&sv_worldmessage);
 445         Cvar_RegisterVariable(&sv_worldname);
 446         Cvar_RegisterVariable(&sv_worldnamenoextension);
 447         Cvar_RegisterVariable(&sv_worldbasename);
 448
 449         Cvar_RegisterVariable (&csqc_progname);
 450         Cvar_RegisterVariable (&csqc_progcrc);
 451         Cvar_RegisterVariable (&csqc_progsize);
 452         Cvar_RegisterVariable (&csqc_usedemoprogs);
 453
 454         Cmd_AddCommand(CMD_SHARED, "sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
 455         Cmd_AddCommand(CMD_SHARED, "sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
 456         Cmd_AddCommand(CMD_CLIENT | CMD_SERVER_FROM_CLIENT, "sv_startdownload", SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
 457         Cmd_AddCommand(CMD_CLIENT | CMD_SERVER_FROM_CLIENT, "download", SV_Download_f, "downloads a specified file from the server");
 458
 459         Cvar_RegisterVariable (&sv_disablenotify);
 460         Cvar_RegisterVariable (&coop);
 461         Cvar_RegisterVariable (&deathmatch);
 462         Cvar_RegisterVariable (&fraglimit);
 463         Cvar_RegisterVariable (&gamecfg);
 464         Cvar_RegisterVariable (&noexit);
 465         Cvar_RegisterVariable (&nomonsters);
 466         Cvar_RegisterVariable (&pausable);
 467         Cvar_RegisterVariable (&pr_checkextension);
 468         Cvar_RegisterVariable (&samelevel);
 469         Cvar_RegisterVariable (&skill);
 470         Cvar_RegisterVariable (&host_timescale);
 471         Cvar_RegisterCallback (&host_timescale, Host_Timescale_c);
 472         Cvar_RegisterAlias (&host_timescale, "slowmo");
 473         Cvar_RegisterAlias (&host_timescale, "timescale");
 474         Cvar_RegisterVariable (&sv_accelerate);
 475         Cvar_RegisterVariable (&sv_aim);
 476         Cvar_RegisterVariable (&sv_airaccel_qw);
 477         Cvar_RegisterVariable (&sv_airaccel_qw_stretchfactor);
 478         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
 479         Cvar_RegisterVariable (&sv_airaccelerate);
 480         Cvar_RegisterVariable (&sv_airstopaccelerate);
 481         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
 482         Cvar_RegisterVariable (&sv_maxairstrafespeed);
 483         Cvar_RegisterVariable (&sv_airstrafeaccel_qw);
 484         Cvar_RegisterVariable (&sv_airspeedlimit_nonqw);
 485         Cvar_RegisterVariable (&sv_aircontrol);
 486         Cvar_RegisterVariable (&sv_aircontrol_power);
 487         Cvar_RegisterVariable (&sv_aircontrol_penalty);
 488         Cvar_RegisterVariable (&sv_allowdownloads);
 489         Cvar_RegisterVariable (&sv_allowdownloads_archive);
 490         Cvar_RegisterVariable (&sv_allowdownloads_config);
 491         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
 492         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
 493         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
 494         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
 495         Cvar_RegisterVariable (&sv_clmovement_enable);
 496         Cvar_RegisterVariable (&sv_clmovement_minping);
 497         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
 498         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
 499         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
 500         Cvar_RegisterVariable (&sv_cullentities_pvs);
 501         Cvar_RegisterVariable (&sv_cullentities_stats);
 502         Cvar_RegisterVariable (&sv_cullentities_trace);
 503         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
 504         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
 505         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
 506         Cvar_RegisterVariable (&sv_cullentities_trace_expand);
 507         Cvar_RegisterVariable (&sv_cullentities_trace_eyejitter);
 508         Cvar_RegisterVariable (&sv_cullentities_trace_entityocclusion);
 509         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
 510         Cvar_RegisterVariable (&sv_cullentities_trace_prediction_time);
 511         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
 512         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
 513         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
 514         Cvar_RegisterVariable (&sv_debugmove);
 515         Cvar_RegisterVariable (&sv_echobprint);
 516         Cvar_RegisterVariable (&sv_edgefriction);
 517         Cvar_RegisterVariable (&sv_entpatch);
 518         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
 519         Cvar_RegisterVariable (&sv_freezenonclients);
 520         Cvar_RegisterVariable (&sv_friction);
 521         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
 522         Cvar_RegisterVariable (&sv_gameplayfix_consistentplayerprethink);
 523         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
 524         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
 525         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
 526         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
 527         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
 528         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
 529         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
 530         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
 531         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
 532         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
 533         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid);
 534         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid_separation);
 535         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
 536         Cvar_RegisterVariable (&sv_gameplayfix_nogravityonground);
 537         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
 538         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
 539         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
 540         Cvar_RegisterVariable (&sv_gameplayfix_stepmultipletimes);
 541         Cvar_RegisterVariable (&sv_gameplayfix_nostepmoveonsteepslopes);
 542         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
 543         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
 544         Cvar_RegisterVariable (&sv_gameplayfix_downtracesupportsongroundflag);
 545         Cvar_RegisterVariable (&sv_gameplayfix_q1bsptracelinereportstexture);
 546         Cvar_RegisterVariable (&sv_gameplayfix_unstickplayers);
 547         Cvar_RegisterVariable (&sv_gameplayfix_unstickentities);
 548         Cvar_RegisterVariable (&sv_gameplayfix_fixedcheckwatertransition);
 549         Cvar_RegisterVariable (&sv_gameplayfix_customstats);
 550         Cvar_RegisterVariable (&sv_gravity);
 551         Cvar_RegisterVariable (&sv_init_frame_count);
 552         Cvar_RegisterVariable (&sv_idealpitchscale);
 553         Cvar_RegisterVariable (&sv_jumpstep);
 554         Cvar_RegisterVariable (&sv_jumpvelocity);
 555         Cvar_RegisterVariable (&sv_maxairspeed);
 556         Cvar_RegisterVariable (&sv_maxrate);
 557         Cvar_RegisterVariable (&sv_maxspeed);
 558         Cvar_RegisterVariable (&sv_maxvelocity);
 559         Cvar_RegisterVariable (&sv_nostep);
 560         Cvar_RegisterVariable (&sv_playerphysicsqc);
 561         Cvar_RegisterVariable (&sv_progs);
 562         Cvar_RegisterVariable (&sv_protocolname);
 563         Cvar_RegisterVariable (&sv_random_seed);
 564         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
 565         Cvar_RegisterVariable (&sv_sound_land);
 566         Cvar_RegisterVariable (&sv_sound_watersplash);
 567         Cvar_RegisterVariable (&sv_stepheight);
 568         Cvar_RegisterVariable (&sv_stopspeed);
 569         Cvar_RegisterVariable (&sv_wallfriction);
 570         Cvar_RegisterVariable (&sv_wateraccelerate);
 571         Cvar_RegisterVariable (&sv_waterfriction);
 572         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
 573         Cvar_RegisterVariable (&sv_warsowbunny_accel);
 574         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
 575         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
 576         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
 577         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
 578         Cvar_RegisterVariable (&sv_areadebug);
 579         Cvar_RegisterVariable (&sys_ticrate);
 580         Cvar_RegisterVariable (&teamplay);
 581         Cvar_RegisterVariable (&timelimit);
 582         Cvar_RegisterVariable (&sv_threaded);
 583
 584         Cvar_RegisterVariable (&saved1);
 585         Cvar_RegisterVariable (&saved2);
 586         Cvar_RegisterVariable (&saved3);
 587         Cvar_RegisterVariable (&saved4);
 588         Cvar_RegisterVariable (&savedgamecfg);
 589         Cvar_RegisterVariable (&scratch1);
 590         Cvar_RegisterVariable (&scratch2);
 591         Cvar_RegisterVariable (&scratch3);
 592         Cvar_RegisterVariable (&scratch4);
 593         Cvar_RegisterVariable (&temp1);
 594
 595         // LadyHavoc: Nehahra uses these to pass data around cutscene demos
 596         Cvar_RegisterVariable (&nehx00);
 597         Cvar_RegisterVariable (&nehx01);
 598         Cvar_RegisterVariable (&nehx02);
 599         Cvar_RegisterVariable (&nehx03);
 600         Cvar_RegisterVariable (&nehx04);
 601         Cvar_RegisterVariable (&nehx05);
 602         Cvar_RegisterVariable (&nehx06);
 603         Cvar_RegisterVariable (&nehx07);
 604         Cvar_RegisterVariable (&nehx08);
 605         Cvar_RegisterVariable (&nehx09);
 606         Cvar_RegisterVariable (&nehx10);
 607         Cvar_RegisterVariable (&nehx11);
 608         Cvar_RegisterVariable (&nehx12);
 609         Cvar_RegisterVariable (&nehx13);
 610         Cvar_RegisterVariable (&nehx14);
 611         Cvar_RegisterVariable (&nehx15);
 612         Cvar_RegisterVariable (&nehx16);
 613         Cvar_RegisterVariable (&nehx17);
 614         Cvar_RegisterVariable (&nehx18);
 615         Cvar_RegisterVariable (&nehx19);
 616         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
 617
 618         Cvar_RegisterVariable (&sv_autodemo_perclient);
 619         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
 620         Cvar_RegisterVariable (&sv_autodemo_perclient_discardable);
 621
 622         Cvar_RegisterVariable (&halflifebsp);
 623         Cvar_RegisterVariable (&sv_mapformat_is_quake2);
 624         Cvar_RegisterVariable (&sv_mapformat_is_quake3);
 625
 626         SV_InitOperatorCommands();
 627
 628         sv_mempool = Mem_AllocPool("server", 0, NULL);
 629 }
 630
 631 static void SV_SaveEntFile_f(cmd_state_t *cmd)
 632 {
 633         char vabuf[1024];
 634         if (!sv.active || !sv.worldmodel)
 635         {
 636                 Con_Print("Not running a server\n");
 637                 return;
 638         }
 639         FS_WriteFile(va(vabuf, sizeof(vabuf), "%s.ent", sv.worldnamenoextension), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
 640 }
 641
 642
 643 /*
 644 =============================================================================
 645
 646 EVENT MESSAGES
 647
 648 =============================================================================
 649 */
 650
 651 /*
 652 ==================
 653 SV_StartParticle
 654
 655 Make sure the event gets sent to all clients
 656 ==================
 657 */
 658 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 659 {
 660         int i;
 661
 662         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 663                 return;
 664         MSG_WriteByte (&sv.datagram, svc_particle);
 665         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 666         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 667         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 668         for (i=0 ; i<3 ; i++)
 669                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
 670         MSG_WriteByte (&sv.datagram, count);
 671         MSG_WriteByte (&sv.datagram, color);
 672         SV_FlushBroadcastMessages();
 673 }
 674
 675 /*
 676 ==================
 677 SV_StartEffect
 678
 679 Make sure the event gets sent to all clients
 680 ==================
 681 */
 682 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 683 {
 684         if (modelindex >= 256 || startframe >= 256)
 685         {
 686                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 687                         return;
 688                 MSG_WriteByte (&sv.datagram, svc_effect2);
 689                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 690                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 691                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 692                 MSG_WriteShort (&sv.datagram, modelindex);
 693                 MSG_WriteShort (&sv.datagram, startframe);
 694                 MSG_WriteByte (&sv.datagram, framecount);
 695                 MSG_WriteByte (&sv.datagram, framerate);
 696         }
 697         else
 698         {
 699                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 700                         return;
 701                 MSG_WriteByte (&sv.datagram, svc_effect);
 702                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 703                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 704                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 705                 MSG_WriteByte (&sv.datagram, modelindex);
 706                 MSG_WriteByte (&sv.datagram, startframe);
 707                 MSG_WriteByte (&sv.datagram, framecount);
 708                 MSG_WriteByte (&sv.datagram, framerate);
 709         }
 710         SV_FlushBroadcastMessages();
 711 }
 712
 713 /*
 714 ==================
 715 SV_StartSound
 716
 717 Each entity can have eight independant sound sources, like voice,
 718 weapon, feet, etc.
 719
 720 Channel 0 is an auto-allocate channel, the others override anything
 721 already running on that entity/channel pair.
 722
 723 An attenuation of 0 will play full volume everywhere in the level.
 724 Larger attenuations will drop off.  (max 4 attenuation)
 725
 726 ==================
 727 */
 728 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int nvolume, float attenuation, qboolean reliable, float speed)
 729 {
 730         prvm_prog_t *prog = SVVM_prog;
 731         sizebuf_t *dest;
 732         int sound_num, field_mask, i, ent, speed4000;
 733
 734         dest = (reliable ? &sv.reliable_datagram : &sv.datagram);
 735
 736         if (nvolume < 0 || nvolume > 255)
 737         {
 738                 Con_Printf ("SV_StartSound: volume = %i\n", nvolume);
 739                 return;
 740         }
 741
 742         if (attenuation < 0 || attenuation > 4)
 743         {
 744                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
 745                 return;
 746         }
 747
 748         if (!IS_CHAN(channel))
 749         {
 750                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
 751                 return;
 752         }
 753
 754         channel = CHAN_ENGINE2NET(channel);
 755
 756         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 757                 return;
 758
 759 // find precache number for sound
 760         sound_num = SV_SoundIndex(sample, 1);
 761         if (!sound_num)
 762                 return;
 763
 764         ent = PRVM_NUM_FOR_EDICT(entity);
 765
 766         speed4000 = (int)floor(speed * 4000.0f + 0.5f);
 767         field_mask = 0;
 768         if (nvolume != DEFAULT_SOUND_PACKET_VOLUME)
 769                 field_mask |= SND_VOLUME;
 770         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 771                 field_mask |= SND_ATTENUATION;
 772         if (speed4000 && speed4000 != 4000)
 773                 field_mask |= SND_SPEEDUSHORT4000;
 774         if (ent >= 8192 || channel < 0 || channel > 7)
 775                 field_mask |= SND_LARGEENTITY;
 776         if (sound_num >= 256)
 777                 field_mask |= SND_LARGESOUND;
 778
 779 // directed messages go only to the entity they are targeted on
 780         MSG_WriteByte (dest, svc_sound);
 781         MSG_WriteByte (dest, field_mask);
 782         if (field_mask & SND_VOLUME)
 783                 MSG_WriteByte (dest, nvolume);
 784         if (field_mask & SND_ATTENUATION)
 785                 MSG_WriteByte (dest, (int)(attenuation*64));
 786         if (field_mask & SND_SPEEDUSHORT4000)
 787                 MSG_WriteShort (dest, speed4000);
 788         if (field_mask & SND_LARGEENTITY)
 789         {
 790                 MSG_WriteShort (dest, ent);
 791                 MSG_WriteChar (dest, channel);
 792         }
 793         else
 794                 MSG_WriteShort (dest, (ent<<3) | channel);
 795         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
 796                 MSG_WriteShort (dest, sound_num);
 797         else
 798                 MSG_WriteByte (dest, sound_num);
 799         for (i = 0;i < 3;i++)
 800                 MSG_WriteCoord (dest, PRVM_serveredictvector(entity, origin)[i]+0.5*(PRVM_serveredictvector(entity, mins)[i]+PRVM_serveredictvector(entity, maxs)[i]), sv.protocol);
 801
 802         // TODO do we have to do anything here when dest is &sv.reliable_datagram?
 803         if(!reliable)
 804                 SV_FlushBroadcastMessages();
 805 }
 806
 807 /*
 808 ==================
 809 SV_StartPointSound
 810
 811 Nearly the same logic as SV_StartSound, except an origin
 812 instead of an entity is provided and channel is omitted.
 813
 814 The entity sent to the client is 0 (world) and the channel
 815 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
 816 function, therefore the check for it is omitted.
 817
 818 ==================
 819 */
 820 void SV_StartPointSound (vec3_t origin, const char *sample, int nvolume, float attenuation, float speed)
 821 {
 822         int sound_num, field_mask, i, speed4000;
 823
 824         if (nvolume < 0 || nvolume > 255)
 825         {
 826                 Con_Printf ("SV_StartPointSound: volume = %i\n", nvolume);
 827                 return;
 828         }
 829
 830         if (attenuation < 0 || attenuation > 4)
 831         {
 832                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
 833                 return;
 834         }
 835
 836         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 837                 return;
 838
 839         // find precache number for sound
 840         sound_num = SV_SoundIndex(sample, 1);
 841         if (!sound_num)
 842                 return;
 843
 844         speed4000 = (int)(speed * 40.0f);
 845         field_mask = 0;
 846         if (nvolume != DEFAULT_SOUND_PACKET_VOLUME)
 847                 field_mask |= SND_VOLUME;
 848         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 849                 field_mask |= SND_ATTENUATION;
 850         if (sound_num >= 256)
 851                 field_mask |= SND_LARGESOUND;
 852         if (speed4000 && speed4000 != 4000)
 853                 field_mask |= SND_SPEEDUSHORT4000;
 854
 855 // directed messages go only to the entity they are targeted on
 856         MSG_WriteByte (&sv.datagram, svc_sound);
 857         MSG_WriteByte (&sv.datagram, field_mask);
 858         if (field_mask & SND_VOLUME)
 859                 MSG_WriteByte (&sv.datagram, nvolume);
 860         if (field_mask & SND_ATTENUATION)
 861                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 862         if (field_mask & SND_SPEEDUSHORT4000)
 863                 MSG_WriteShort (&sv.datagram, speed4000);
 864         // Always write entnum 0 for the world entity
 865         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
 866         if (field_mask & SND_LARGESOUND)
 867                 MSG_WriteShort (&sv.datagram, sound_num);
 868         else
 869                 MSG_WriteByte (&sv.datagram, sound_num);
 870         for (i = 0;i < 3;i++)
 871                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
 872         SV_FlushBroadcastMessages();
 873 }
 874
 875 /*
 876 ==============================================================================
 877
 878 CLIENT SPAWNING
 879
 880 ==============================================================================
 881 */
 882
 883 /*
 884 ================
 885 SV_SendServerinfo
 886
 887 Sends the first message from the server to a connected client.
 888 This will be sent on the initial connection and upon each server load.
 889 ================
 890 */
 891 void SV_SendServerinfo (client_t *client)
 892 {
 893         prvm_prog_t *prog = SVVM_prog;
 894         int i;
 895         char message[128];
 896         char vabuf[1024];
 897
 898         // we know that this client has a netconnection and thus is not a bot
 899
 900         // edicts get reallocated on level changes, so we need to update it here
 901         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
 902
 903         // clear cached stuff that depends on the level
 904         client->weaponmodel[0] = 0;
 905         client->weaponmodelindex = 0;
 906
 907         // LadyHavoc: clear entityframe tracking
 908         client->latestframenum = 0;
 909
 910         // initialize the movetime, so a speedhack can't make use of the time before this client joined
 911         client->cmd.time = sv.time;
 912
 913         if (client->entitydatabase)
 914                 EntityFrame_FreeDatabase(client->entitydatabase);
 915         if (client->entitydatabase4)
 916                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 917         if (client->entitydatabase5)
 918                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 919
 920         memset(client->stats, 0, sizeof(client->stats));
 921         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
 922
 923         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)
 924         {
 925                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 926                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
 927                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
 928                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
 929                 else
 930                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
 931         }
 932
 933         // reset csqc entity versions
 934         for (i = 0;i < prog->max_edicts;i++)
 935         {
 936                 client->csqcentityscope[i] = 0;
 937                 client->csqcentitysendflags[i] = 0xFFFFFF;
 938         }
 939         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
 940         {
 941                 client->csqcentityframehistory[i].num = 0;
 942                 client->csqcentityframehistory[i].framenum = -1;
 943         }
 944         client->csqcnumedicts = 0;
 945         client->csqcentityframehistory_next = 0;
 946
 947         SZ_Clear (&client->netconnection->message);
 948         MSG_WriteByte (&client->netconnection->message, svc_print);
 949         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)\n", gamename, buildstring, prog->filecrc);
 950         MSG_WriteString (&client->netconnection->message,message);
 951
 952         SV_StopDemoRecording(client); // to split up demos into different files
 953         if(sv_autodemo_perclient.integer)
 954         {
 955                 char demofile[MAX_OSPATH];
 956                 char ipaddress[MAX_QPATH];
 957                 size_t j;
 958
 959                 // start a new demo file
 960                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
 961                 for(j = 0; ipaddress[j]; ++j)
 962                         if(!isalnum(ipaddress[j]))
 963                                 ipaddress[j] = '-';
 964                 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);
 965
 966                 SV_StartDemoRecording(client, demofile, -1);
 967         }
 968
 969         //[515]: init csprogs according to version of svprogs, check the crc, etc.
 970         if (sv.csqc_progname[0])
 971         {
 972                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
 973                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 974                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progname %s\n", sv.csqc_progname));
 975                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 976                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progsize %i\n", sv.csqc_progsize));
 977                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 978                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progcrc %i\n", sv.csqc_progcrc));
 979
 980                 if(client->sv_demo_file != NULL)
 981                 {
 982                         int k;
 983                         static char buf[NET_MAXMESSAGE];
 984                         sizebuf_t sb;
 985
 986                         sb.data = (unsigned char *) buf;
 987                         sb.maxsize = sizeof(buf);
 988                         k = 0;
 989                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, k++, &sb, sv.protocol))
 990                                 SV_WriteDemoMessage(client, &sb, false);
 991                 }
 992
 993                 //[515]: init stufftext string (it is sent before svc_serverinfo)
 994                 if (PRVM_GetString(prog, PRVM_serverglobalstring(SV_InitCmd)))
 995                 {
 996                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 997                         MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "%s\n", PRVM_GetString(prog, PRVM_serverglobalstring(SV_InitCmd))));
 998                 }
 999         }
1000
1001         //if (sv_allowdownloads.integer)
1002         // always send the info that the server supports the protocol, even if downloads are forbidden
1003         // only because of that, the CSQC exception can work
1004         {
1005                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
1006                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
1007         }
1008
1009         // send at this time so it's guaranteed to get executed at the right time
1010         {
1011                 client_t *save;
1012                 save = host_client;
1013                 host_client = client;
1014                 Curl_SendRequirements();
1015                 host_client = save;
1016         }
1017
1018         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
1019         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
1020         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
1021
1022         if (!coop.integer && deathmatch.integer)
1023                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
1024         else
1025                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
1026
1027         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog, PRVM_serveredictstring(prog->edicts, message)));
1028
1029         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
1030                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
1031         MSG_WriteByte (&client->netconnection->message, 0);
1032
1033         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
1034                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
1035         MSG_WriteByte (&client->netconnection->message, 0);
1036
1037 // send music
1038         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
1039         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
1040         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
1041
1042 // set view
1043 // store this in clientcamera, too
1044         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
1045         MSG_WriteByte (&client->netconnection->message, svc_setview);
1046         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
1047
1048         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
1049         MSG_WriteByte (&client->netconnection->message, 1);
1050
1051         client->prespawned = false;             // need prespawn, spawn, etc
1052         client->spawned = false;                // need prespawn, spawn, etc
1053         client->begun = false;                  // need prespawn, spawn, etc
1054         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
1055
1056         // clear movement info until client enters the new level properly
1057         memset(&client->cmd, 0, sizeof(client->cmd));
1058         client->movesequence = 0;
1059         client->movement_highestsequence_seen = 0;
1060         memset(&client->movement_count, 0, sizeof(client->movement_count));
1061 #ifdef NUM_PING_TIMES
1062         for (i = 0;i < NUM_PING_TIMES;i++)
1063                 client->ping_times[i] = 0;
1064         client->num_pings = 0;
1065 #endif
1066         client->ping = 0;
1067
1068         // allow the client some time to send his keepalives, even if map loading took ages
1069         client->netconnection->timeout = host.realtime + net_connecttimeout.value;
1070 }
1071
1072 /*
1073 ================
1074 SV_ConnectClient
1075
1076 Initializes a client_t for a new net connection.  This will only be called
1077 once for a player each game, not once for each level change.
1078 ================
1079 */
1080 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
1081 {
1082         prvm_prog_t *prog = SVVM_prog;
1083         client_t                *client;
1084         int                             i;
1085
1086         client = svs.clients + clientnum;
1087
1088 // set up the client_t
1089         if (sv.loadgame)
1090         {
1091                 float backupparms[NUM_SPAWN_PARMS];
1092                 memcpy(backupparms, client->spawn_parms, sizeof(backupparms));
1093                 memset(client, 0, sizeof(*client));
1094                 memcpy(client->spawn_parms, backupparms, sizeof(backupparms));
1095         }
1096         else
1097                 memset(client, 0, sizeof(*client));
1098         client->active = true;
1099         client->netconnection = netconnection;
1100
1101         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
1102
1103         if(client->netconnection && client->netconnection->crypto.authenticated)
1104         {
1105                 Con_Printf("%s connection to %s has been established: client is %s@%s%.*s, I am %.*s@%s%.*s\n",
1106                                 client->netconnection->crypto.use_aes ? "Encrypted" : "Authenticated",
1107                                 client->netconnection->address,
1108                                 client->netconnection->crypto.client_idfp[0] ? client->netconnection->crypto.client_idfp : "-",
1109                                 (client->netconnection->crypto.client_issigned || !client->netconnection->crypto.client_keyfp[0]) ? "" : "~",
1110                                 crypto_keyfp_recommended_length, client->netconnection->crypto.client_keyfp[0] ? client->netconnection->crypto.client_keyfp : "-",
1111                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_idfp[0] ? client->netconnection->crypto.server_idfp : "-",
1112                                 (client->netconnection->crypto.server_issigned || !client->netconnection->crypto.server_keyfp[0]) ? "" : "~",
1113                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_keyfp[0] ? client->netconnection->crypto.server_keyfp : "-"
1114                                 );
1115         }
1116
1117         strlcpy(client->name, "unconnected", sizeof(client->name));
1118         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
1119         client->prespawned = false;
1120         client->spawned = false;
1121         client->begun = false;
1122         client->edict = PRVM_EDICT_NUM(clientnum+1);
1123         if (client->netconnection)
1124                 client->netconnection->message.allowoverflow = true;            // we can catch it
1125         // prepare the unreliable message buffer
1126         client->unreliablemsg.data = client->unreliablemsg_data;
1127         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
1128         // updated by receiving "rate" command from client, this is also the default if not using a DP client
1129         client->rate = 1000000000;
1130         client->connecttime = host.realtime;
1131
1132         if (!sv.loadgame)
1133         {
1134                 // call the progs to get default spawn parms for the new client
1135                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
1136                 PRVM_serverglobalfloat(time) = sv.time;
1137                 PRVM_serverglobaledict(self) = 0;
1138                 prog->ExecuteProgram(prog, PRVM_serverfunction(SetNewParms), "QC function SetNewParms is missing");
1139                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1140                         client->spawn_parms[i] = (&PRVM_serverglobalfloat(parm1))[i];
1141
1142                 // set up the entity for this client (including .colormap, .team, etc)
1143                 PRVM_ED_ClearEdict(prog, client->edict);
1144         }
1145
1146         // don't call SendServerinfo for a fresh botclient because its fields have
1147         // not been set up by the qc yet
1148         if (client->netconnection)
1149                 SV_SendServerinfo (client);
1150         else
1151                 client->prespawned = client->spawned = client->begun = true;
1152 }
1153
1154 /*
1155 =====================
1156 SV_DropClient
1157
1158 Called when the player is getting totally kicked off the host
1159 if (crash = true), don't bother sending signofs
1160 =====================
1161 */
1162 void SV_DropClient(qboolean crash)
1163 {
1164         prvm_prog_t *prog = SVVM_prog;
1165         int i;
1166         Con_Printf("Client \"%s\" dropped\n", host_client->name);
1167
1168         SV_StopDemoRecording(host_client);
1169
1170         // make sure edict is not corrupt (from a level change for example)
1171         host_client->edict = PRVM_EDICT_NUM(host_client - svs.clients + 1);
1172
1173         if (host_client->netconnection)
1174         {
1175                 // tell the client to be gone
1176                 if (!crash)
1177                 {
1178                         // LadyHavoc: no opportunity for resending, so use unreliable 3 times
1179                         unsigned char bufdata[8];
1180                         sizebuf_t buf;
1181                         memset(&buf, 0, sizeof(buf));
1182                         buf.data = bufdata;
1183                         buf.maxsize = sizeof(bufdata);
1184                         MSG_WriteByte(&buf, svc_disconnect);
1185                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, 0, false);
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                 }
1189         }
1190
1191         // call qc ClientDisconnect function
1192         // LadyHavoc: don't call QC if server is dead (avoids recursive
1193         // Host_Error in some mods when they run out of edicts)
1194         if (host_client->clientconnectcalled && sv.active && host_client->edict)
1195         {
1196                 // call the prog function for removing a client
1197                 // this will set the body to a dead frame, among other things
1198                 int saveSelf = PRVM_serverglobaledict(self);
1199                 host_client->clientconnectcalled = false;
1200                 PRVM_serverglobalfloat(time) = sv.time;
1201                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
1202                 prog->ExecuteProgram(prog, PRVM_serverfunction(ClientDisconnect), "QC function ClientDisconnect is missing");
1203                 PRVM_serverglobaledict(self) = saveSelf;
1204         }
1205
1206         if (host_client->netconnection)
1207         {
1208                 // break the net connection
1209                 NetConn_Close(host_client->netconnection);
1210                 host_client->netconnection = NULL;
1211         }
1212
1213         // if a download is active, close it
1214         if (host_client->download_file)
1215         {
1216                 Con_DPrintf("Download of %s aborted when %s dropped\n", host_client->download_name, host_client->name);
1217                 FS_Close(host_client->download_file);
1218                 host_client->download_file = NULL;
1219                 host_client->download_name[0] = 0;
1220                 host_client->download_expectedposition = 0;
1221                 host_client->download_started = false;
1222         }
1223
1224         // remove leaving player from scoreboard
1225         host_client->name[0] = 0;
1226         host_client->colors = 0;
1227         host_client->frags = 0;
1228         // send notification to all clients
1229         // get number of client manually just to make sure we get it right...
1230         i = host_client - svs.clients;
1231         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
1232         MSG_WriteByte (&sv.reliable_datagram, i);
1233         MSG_WriteString (&sv.reliable_datagram, host_client->name);
1234         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
1235         MSG_WriteByte (&sv.reliable_datagram, i);
1236         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
1237         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
1238         MSG_WriteByte (&sv.reliable_datagram, i);
1239         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
1240
1241         // free the client now
1242         if (host_client->entitydatabase)
1243                 EntityFrame_FreeDatabase(host_client->entitydatabase);
1244         if (host_client->entitydatabase4)
1245                 EntityFrame4_FreeDatabase(host_client->entitydatabase4);
1246         if (host_client->entitydatabase5)
1247                 EntityFrame5_FreeDatabase(host_client->entitydatabase5);
1248
1249         if (sv.active)
1250         {
1251                 // clear a fields that matter to DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS, and also frags
1252                 PRVM_ED_ClearEdict(prog, host_client->edict);
1253         }
1254
1255         // clear the client struct (this sets active to false)
1256         memset(host_client, 0, sizeof(*host_client));
1257
1258         // update server listing on the master because player count changed
1259         // (which the master uses for filtering empty/full servers)
1260         NetConn_Heartbeat(1);
1261
1262         if (sv.loadgame)
1263         {
1264                 for (i = 0;i < svs.maxclients;i++)
1265                         if (svs.clients[i].active && !svs.clients[i].spawned)
1266                                 break;
1267                 if (i == svs.maxclients)
1268                 {
1269                         Con_Printf("Loaded game, everyone rejoined - unpausing\n");
1270                         sv.paused = sv.loadgame = false; // we're basically done with loading now
1271                 }
1272         }
1273 }
1274
1275 /*
1276 ===============================================================================
1277
1278 FRAME UPDATES
1279
1280 ===============================================================================
1281 */
1282
1283 /*
1284 =============================================================================
1285
1286 The PVS must include a small area around the client to allow head bobbing
1287 or other small motion on the client side.  Otherwise, a bob might cause an
1288 entity that should be visible to not show up, especially when the bob
1289 crosses a waterline.
1290
1291 =============================================================================
1292 */
1293
1294 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1295 {
1296         prvm_prog_t *prog = SVVM_prog;
1297         int i;
1298         unsigned int sendflags;
1299         unsigned int version;
1300         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1301         unsigned int customizeentityforclient;
1302         unsigned int sendentity;
1303         float f;
1304         prvm_vec_t *v;
1305         vec3_t cullmins, cullmaxs;
1306         dp_model_t *model;
1307
1308         // fast path for games that do not use legacy entity networking
1309         // note: still networks clients even if they are legacy
1310         sendentity = PRVM_serveredictfunction(ent, SendEntity);
1311         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1312                 return false;
1313
1314         // this 2 billion unit check is actually to detect NAN origins
1315         // (we really don't want to send those)
1316         if (!(VectorLength2(PRVM_serveredictvector(ent, origin)) < 2000000000.0*2000000000.0))
1317                 return false;
1318
1319         // EF_NODRAW prevents sending for any reason except for your own
1320         // client, so we must keep all clients in this superset
1321         effects = (unsigned)PRVM_serveredictfloat(ent, effects);
1322
1323         // we can omit invisible entities with no effects that are not clients
1324         // LadyHavoc: this could kill tags attached to an invisible entity, I
1325         // just hope we never have to support that case
1326         i = (int)PRVM_serveredictfloat(ent, modelindex);
1327         modelindex = (i >= 1 && i < MAX_MODELS && PRVM_serveredictstring(ent, model) && *PRVM_GetString(prog, PRVM_serveredictstring(ent, model)) && sv.models[i]) ? i : 0;
1328
1329         flags = 0;
1330         i = (int)(PRVM_serveredictfloat(ent, glow_size) * 0.25f);
1331         glowsize = (unsigned char)bound(0, i, 255);
1332         if (PRVM_serveredictfloat(ent, glow_trail))
1333                 flags |= RENDER_GLOWTRAIL;
1334         if (PRVM_serveredictedict(ent, viewmodelforclient))
1335                 flags |= RENDER_VIEWMODEL;
1336
1337         v = PRVM_serveredictvector(ent, color);
1338         f = v[0]*256;
1339         light[0] = (unsigned short)bound(0, f, 65535);
1340         f = v[1]*256;
1341         light[1] = (unsigned short)bound(0, f, 65535);
1342         f = v[2]*256;
1343         light[2] = (unsigned short)bound(0, f, 65535);
1344         f = PRVM_serveredictfloat(ent, light_lev);
1345         light[3] = (unsigned short)bound(0, f, 65535);
1346         lightstyle = (unsigned char)PRVM_serveredictfloat(ent, style);
1347         lightpflags = (unsigned char)PRVM_serveredictfloat(ent, pflags);
1348
1349         if (gamemode == GAME_TENEBRAE)
1350         {
1351                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1352                 if (effects & 16)
1353                 {
1354                         effects &= ~16;
1355                         lightpflags |= PFLAGS_FULLDYNAMIC;
1356                 }
1357                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1358                 if (effects & 32)
1359                 {
1360                         effects &= ~32;
1361                         light[0] = (int)(0.2*256);
1362                         light[1] = (int)(1.0*256);
1363                         light[2] = (int)(0.2*256);
1364                         light[3] = 200;
1365                         lightpflags |= PFLAGS_FULLDYNAMIC;
1366                 }
1367         }
1368
1369         specialvisibilityradius = 0;
1370         if (lightpflags & PFLAGS_FULLDYNAMIC)
1371                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1372         if (glowsize)
1373                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1374         if (flags & RENDER_GLOWTRAIL)
1375                 specialvisibilityradius = max(specialvisibilityradius, 100);
1376         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1377         {
1378                 if (effects & EF_BRIGHTFIELD)
1379                         specialvisibilityradius = max(specialvisibilityradius, 80);
1380                 if (effects & EF_MUZZLEFLASH)
1381                         specialvisibilityradius = max(specialvisibilityradius, 100);
1382                 if (effects & EF_BRIGHTLIGHT)
1383                         specialvisibilityradius = max(specialvisibilityradius, 400);
1384                 if (effects & EF_DIMLIGHT)
1385                         specialvisibilityradius = max(specialvisibilityradius, 200);
1386                 if (effects & EF_RED)
1387                         specialvisibilityradius = max(specialvisibilityradius, 200);
1388                 if (effects & EF_BLUE)
1389                         specialvisibilityradius = max(specialvisibilityradius, 200);
1390                 if (effects & EF_FLAME)
1391                         specialvisibilityradius = max(specialvisibilityradius, 250);
1392                 if (effects & EF_STARDUST)
1393                         specialvisibilityradius = max(specialvisibilityradius, 100);
1394         }
1395
1396         // early culling checks
1397         // (final culling is done by SV_MarkWriteEntityStateToClient)
1398         customizeentityforclient = PRVM_serveredictfunction(ent, customizeentityforclient);
1399         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1400                 return false;
1401
1402         *cs = defaultstate;
1403         cs->active = ACTIVE_NETWORK;
1404         cs->number = enumber;
1405         VectorCopy(PRVM_serveredictvector(ent, origin), cs->origin);
1406         VectorCopy(PRVM_serveredictvector(ent, angles), cs->angles);
1407         cs->flags = flags;
1408         cs->effects = effects;
1409         cs->colormap = (unsigned)PRVM_serveredictfloat(ent, colormap);
1410         cs->modelindex = modelindex;
1411         cs->skin = (unsigned)PRVM_serveredictfloat(ent, skin);
1412         cs->frame = (unsigned)PRVM_serveredictfloat(ent, frame);
1413         cs->viewmodelforclient = PRVM_serveredictedict(ent, viewmodelforclient);
1414         cs->exteriormodelforclient = PRVM_serveredictedict(ent, exteriormodeltoclient);
1415         cs->nodrawtoclient = PRVM_serveredictedict(ent, nodrawtoclient);
1416         cs->drawonlytoclient = PRVM_serveredictedict(ent, drawonlytoclient);
1417         cs->customizeentityforclient = customizeentityforclient;
1418         cs->tagentity = PRVM_serveredictedict(ent, tag_entity);
1419         cs->tagindex = (unsigned char)PRVM_serveredictfloat(ent, tag_index);
1420         cs->glowsize = glowsize;
1421         cs->traileffectnum = PRVM_serveredictfloat(ent, traileffectnum);
1422
1423         // don't need to init cs->colormod because the defaultstate did that for us
1424         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1425         v = PRVM_serveredictvector(ent, colormod);
1426         if (VectorLength2(v))
1427         {
1428                 i = (int)(v[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1429                 i = (int)(v[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1430                 i = (int)(v[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1431         }
1432
1433         // don't need to init cs->glowmod because the defaultstate did that for us
1434         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1435         v = PRVM_serveredictvector(ent, glowmod);
1436         if (VectorLength2(v))
1437         {
1438                 i = (int)(v[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1439                 i = (int)(v[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1440                 i = (int)(v[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1441         }
1442
1443         cs->modelindex = modelindex;
1444
1445         cs->alpha = 255;
1446         f = (PRVM_serveredictfloat(ent, alpha) * 255.0f);
1447         if (f)
1448         {
1449                 i = (int)f;
1450                 cs->alpha = (unsigned char)bound(0, i, 255);
1451         }
1452         // halflife
1453         f = (PRVM_serveredictfloat(ent, renderamt));
1454         if (f)
1455         {
1456                 i = (int)f;
1457                 cs->alpha = (unsigned char)bound(0, i, 255);
1458         }
1459
1460         cs->scale = 16;
1461         f = (PRVM_serveredictfloat(ent, scale) * 16.0f);
1462         if (f)
1463         {
1464                 i = (int)f;
1465                 cs->scale = (unsigned char)bound(0, i, 255);
1466         }
1467
1468         cs->glowcolor = 254;
1469         f = PRVM_serveredictfloat(ent, glow_color);
1470         if (f)
1471                 cs->glowcolor = (int)f;
1472
1473         if (PRVM_serveredictfloat(ent, fullbright))
1474                 cs->effects |= EF_FULLBRIGHT;
1475
1476         f = PRVM_serveredictfloat(ent, modelflags);
1477         if (f)
1478                 cs->effects |= ((unsigned int)f & 0xff) << 24;
1479
1480         if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
1481                 cs->flags |= RENDER_STEP;
1482         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)
1483                 cs->flags |= RENDER_LOWPRECISION;
1484         if (PRVM_serveredictfloat(ent, colormap) >= 1024)
1485                 cs->flags |= RENDER_COLORMAPPED;
1486         if (cs->viewmodelforclient)
1487                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1488
1489         if (PRVM_serveredictfloat(ent, sendcomplexanimation))
1490         {
1491                 cs->flags |= RENDER_COMPLEXANIMATION;
1492                 if (PRVM_serveredictfloat(ent, skeletonindex) >= 1)
1493                         cs->skeletonobject = ent->priv.server->skeleton;
1494                 cs->framegroupblend[0].frame = PRVM_serveredictfloat(ent, frame);
1495                 cs->framegroupblend[1].frame = PRVM_serveredictfloat(ent, frame2);
1496                 cs->framegroupblend[2].frame = PRVM_serveredictfloat(ent, frame3);
1497                 cs->framegroupblend[3].frame = PRVM_serveredictfloat(ent, frame4);
1498                 cs->framegroupblend[0].start = PRVM_serveredictfloat(ent, frame1time);
1499                 cs->framegroupblend[1].start = PRVM_serveredictfloat(ent, frame2time);
1500                 cs->framegroupblend[2].start = PRVM_serveredictfloat(ent, frame3time);
1501                 cs->framegroupblend[3].start = PRVM_serveredictfloat(ent, frame4time);
1502                 cs->framegroupblend[1].lerp = PRVM_serveredictfloat(ent, lerpfrac);
1503                 cs->framegroupblend[2].lerp = PRVM_serveredictfloat(ent, lerpfrac3);
1504                 cs->framegroupblend[3].lerp = PRVM_serveredictfloat(ent, lerpfrac4);
1505                 cs->framegroupblend[0].lerp = 1.0f - cs->framegroupblend[1].lerp - cs->framegroupblend[2].lerp - cs->framegroupblend[3].lerp;
1506                 cs->frame = 0; // don't need the legacy frame
1507         }
1508
1509         cs->light[0] = light[0];
1510         cs->light[1] = light[1];
1511         cs->light[2] = light[2];
1512         cs->light[3] = light[3];
1513         cs->lightstyle = lightstyle;
1514         cs->lightpflags = lightpflags;
1515
1516         cs->specialvisibilityradius = specialvisibilityradius;
1517
1518         // calculate the visible box of this entity (don't use the physics box
1519         // as that is often smaller than a model, and would not count
1520         // specialvisibilityradius)
1521         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1522         {
1523                 float scale = cs->scale * (1.0f / 16.0f);
1524                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1525                 {
1526                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1527                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1528                 }
1529                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1530                 {
1531                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1532                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1533                 }
1534                 else
1535                 {
1536                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1537                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1538                 }
1539         }
1540         else
1541         {
1542                 // if there is no model (or it could not be loaded), use the physics box
1543                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, mins), cullmins);
1544                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, maxs), cullmaxs);
1545         }
1546         if (specialvisibilityradius)
1547         {
1548                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1549                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1550                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1551                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1552                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1553                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1554         }
1555
1556         // calculate center of bbox for network prioritization purposes
1557         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1558
1559         // if culling box has moved, update pvs cluster links
1560         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1561         {
1562                 VectorCopy(cullmins, ent->priv.server->cullmins);
1563                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1564                 // a value of -1 for pvs_numclusters indicates that the links are not
1565                 // cached, and should be re-tested each time, this is the case if the
1566                 // culling box touches too many pvs clusters to store, or if the world
1567                 // model does not support FindBoxClusters
1568                 ent->priv.server->pvs_numclusters = -1;
1569                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1570                 {
1571                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1572                         if (i <= MAX_ENTITYCLUSTERS)
1573                                 ent->priv.server->pvs_numclusters = i;
1574                 }
1575         }
1576
1577         // we need to do some csqc entity upkeep here
1578         // get self.SendFlags and clear them
1579         // (to let the QC know that they've been read)
1580         if (sendentity)
1581         {
1582                 sendflags = (unsigned int)PRVM_serveredictfloat(ent, SendFlags);
1583                 PRVM_serveredictfloat(ent, SendFlags) = 0;
1584                 // legacy self.Version system
1585                 if ((version = (unsigned int)PRVM_serveredictfloat(ent, Version)))
1586                 {
1587                         if (sv.csqcentityversion[enumber] != version)
1588                                 sendflags = 0xFFFFFF;
1589                         sv.csqcentityversion[enumber] = version;
1590                 }
1591                 // move sendflags into the per-client sendflags
1592                 if (sendflags)
1593                         for (i = 0;i < svs.maxclients;i++)
1594                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1595                 // mark it as inactive for non-csqc networking
1596                 cs->active = ACTIVE_SHARED;
1597         }
1598
1599         return true;
1600 }
1601
1602 static void SV_PrepareEntitiesForSending(void)
1603 {
1604         prvm_prog_t *prog = SVVM_prog;
1605         int e;
1606         prvm_edict_t *ent;
1607         // send all entities that touch the pvs
1608         sv.numsendentities = 0;
1609         sv.sendentitiesindex[0] = NULL;
1610         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1611         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1612         {
1613                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1614                 {
1615                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1616                         sv.numsendentities++;
1617                 }
1618         }
1619 }
1620
1621 #define MAX_LINEOFSIGHTTRACES 64
1622
1623 qboolean SV_CanSeeBox(int numtraces, vec_t eyejitter, vec_t enlarge, vec_t entboxexpand, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1624 {
1625         prvm_prog_t *prog = SVVM_prog;
1626         float pitchsign;
1627         float alpha;
1628         float starttransformed[3], endtransformed[3];
1629         float boxminstransformed[3], boxmaxstransformed[3];
1630         float localboxcenter[3], localboxextents[3], localboxmins[3], localboxmaxs[3];
1631         int blocked = 0;
1632         int traceindex;
1633         int originalnumtouchedicts;
1634         int numtouchedicts = 0;
1635         int touchindex;
1636         matrix4x4_t matrix, imatrix;
1637         dp_model_t *model;
1638         prvm_edict_t *touch;
1639         static prvm_edict_t *touchedicts[MAX_EDICTS];
1640         vec3_t eyemins, eyemaxs, start;
1641         vec3_t boxmins, boxmaxs;
1642         vec3_t clipboxmins, clipboxmaxs;
1643         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1644
1645         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1646
1647         // jitter the eye location within this box
1648         eyemins[0] = eye[0] - eyejitter;
1649         eyemaxs[0] = eye[0] + eyejitter;
1650         eyemins[1] = eye[1] - eyejitter;
1651         eyemaxs[1] = eye[1] + eyejitter;
1652         eyemins[2] = eye[2] - eyejitter;
1653         eyemaxs[2] = eye[2] + eyejitter;
1654         // expand the box a little
1655         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0] - entboxexpand;
1656         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0] + entboxexpand;
1657         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1] - entboxexpand;
1658         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1] + entboxexpand;
1659         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2] - entboxexpand;
1660         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2] + entboxexpand;
1661
1662         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1663         for (traceindex = 1;traceindex < numtraces;traceindex++)
1664                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1665
1666         // calculate sweep box for the entire swarm of traces
1667         VectorCopy(eyemins, clipboxmins);
1668         VectorCopy(eyemaxs, clipboxmaxs);
1669         for (traceindex = 0;traceindex < numtraces;traceindex++)
1670         {
1671                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1672                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1673                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1674                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1675                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1676                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1677         }
1678
1679         // get the list of entities in the sweep box
1680         if (sv_cullentities_trace_entityocclusion.integer)
1681                 numtouchedicts = SV_EntitiesInBox(clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1682         if (numtouchedicts > MAX_EDICTS)
1683         {
1684                 // this never happens
1685                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1686                 numtouchedicts = MAX_EDICTS;
1687         }
1688         // iterate the entities found in the sweep box and filter them
1689         originalnumtouchedicts = numtouchedicts;
1690         numtouchedicts = 0;
1691         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1692         {
1693                 touch = touchedicts[touchindex];
1694                 if (PRVM_serveredictfloat(touch, solid) != SOLID_BSP)
1695                         continue;
1696                 model = SV_GetModelFromEdict(touch);
1697                 if (!model || !model->brush.TraceLineOfSight)
1698                         continue;
1699                 // skip obviously transparent entities
1700                 alpha = PRVM_serveredictfloat(touch, alpha);
1701                 if (alpha && alpha < 1)
1702                         continue;
1703                 if ((int)PRVM_serveredictfloat(touch, effects) & EF_ADDITIVE)
1704                         continue;
1705                 touchedicts[numtouchedicts++] = touch;
1706         }
1707
1708         // now that we have a filtered list of "interesting" entities, fire each
1709         // ray against all of them, this gives us an early-out case when something
1710         // is visible (which it often is)
1711
1712         for (traceindex = 0;traceindex < numtraces;traceindex++)
1713         {
1714                 VectorSet(start, lhrandom(eyemins[0], eyemaxs[0]), lhrandom(eyemins[1], eyemaxs[1]), lhrandom(eyemins[2], eyemaxs[2]));
1715                 // check world occlusion
1716                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1717                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, start, endpoints[traceindex], boxmins, boxmaxs))
1718                                 continue;
1719                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1720                 {
1721                         touch = touchedicts[touchindex];
1722                         model = SV_GetModelFromEdict(touch);
1723                         if(model && model->brush.TraceLineOfSight)
1724                         {
1725                                 // get the entity matrix
1726                                 pitchsign = SV_GetPitchSign(prog, touch);
1727                                 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);
1728                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1729                                 // see if the ray hits this entity
1730                                 Matrix4x4_Transform(&imatrix, start, starttransformed);
1731                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1732                                 Matrix4x4_Transform(&imatrix, boxmins, boxminstransformed);
1733                                 Matrix4x4_Transform(&imatrix, boxmaxs, boxmaxstransformed);
1734                                 // transform the AABB to local space
1735                                 VectorMAM(0.5f, boxminstransformed, 0.5f, boxmaxstransformed, localboxcenter);
1736                                 localboxextents[0] = fabs(boxmaxstransformed[0] - localboxcenter[0]);
1737                                 localboxextents[1] = fabs(boxmaxstransformed[1] - localboxcenter[1]);
1738                                 localboxextents[2] = fabs(boxmaxstransformed[2] - localboxcenter[2]);
1739                                 localboxmins[0] = localboxcenter[0] - localboxextents[0];
1740                                 localboxmins[1] = localboxcenter[1] - localboxextents[1];
1741                                 localboxmins[2] = localboxcenter[2] - localboxextents[2];
1742                                 localboxmaxs[0] = localboxcenter[0] + localboxextents[0];
1743                                 localboxmaxs[1] = localboxcenter[1] + localboxextents[1];
1744                                 localboxmaxs[2] = localboxcenter[2] + localboxextents[2];
1745                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed, localboxmins, localboxmaxs))
1746                                 {
1747                                         blocked++;
1748                                         break;
1749                                 }
1750                         }
1751                 }
1752                 // check if the ray was blocked
1753                 if (touchindex < numtouchedicts)
1754                         continue;
1755                 // return if the ray was not blocked
1756                 return true;
1757         }
1758
1759         // no rays survived
1760         return false;
1761 }
1762
1763 static void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1764 {
1765         prvm_prog_t *prog = SVVM_prog;
1766         int isbmodel;
1767         dp_model_t *model;
1768         prvm_edict_t *ed;
1769         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1770                 return;
1771         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1772         sv.writeentitiestoclient_stats_totalentities++;
1773
1774         if (s->customizeentityforclient)
1775         {
1776                 PRVM_serverglobalfloat(time) = sv.time;
1777                 PRVM_serverglobaledict(self) = s->number;
1778                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1779                 prog->ExecuteProgram(prog, s->customizeentityforclient, "customizeentityforclient: NULL function");
1780                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1781                         return;
1782         }
1783
1784         // never reject player
1785         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1786         {
1787                 // check various rejection conditions
1788                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1789                         return;
1790                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1791                         return;
1792                 if (s->effects & EF_NODRAW)
1793                         return;
1794                 // LadyHavoc: only send entities with a model or important effects
1795                 if (!s->modelindex && s->specialvisibilityradius == 0)
1796                         return;
1797
1798                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1799                 // viewmodels don't have visibility checking
1800                 if (s->viewmodelforclient)
1801                 {
1802                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1803                                 return;
1804                 }
1805                 else if (s->tagentity)
1806                 {
1807                         // tag attached entities simply check their parent
1808                         if (!sv.sendentitiesindex[s->tagentity])
1809                                 return;
1810                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1811                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1812                                 return;
1813                 }
1814                 // always send world submodels in newer protocols because they don't
1815                 // generate much traffic (in old protocols they hog bandwidth)
1816                 // but only if sv_cullentities_nevercullbmodels is off
1817                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1818                 {
1819                         // entity has survived every check so far, check if visible
1820                         ed = PRVM_EDICT_NUM(s->number);
1821
1822                         // if not touching a visible leaf
1823                         if (sv_cullentities_pvs.integer && !r_novis.integer && !r_trippy.integer && sv.writeentitiestoclient_pvsbytes)
1824                         {
1825                                 if (ed->priv.server->pvs_numclusters < 0)
1826                                 {
1827                                         // entity too big for clusters list
1828                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1829                                         {
1830                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1831                                                 return;
1832                                         }
1833                                 }
1834                                 else
1835                                 {
1836                                         int i;
1837                                         // check cached clusters list
1838                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1839                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1840                                                         break;
1841                                         if (i == ed->priv.server->pvs_numclusters)
1842                                         {
1843                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1844                                                 return;
1845                                         }
1846                                 }
1847                         }
1848
1849                         // or not seen by random tracelines
1850                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight && !r_trippy.integer)
1851                         {
1852                                 int samples =
1853                                         s->number <= svs.maxclients
1854                                                 ? sv_cullentities_trace_samples_players.integer
1855                                                 :
1856                                         s->specialvisibilityradius
1857                                                 ? sv_cullentities_trace_samples_extra.integer
1858                                                 : sv_cullentities_trace_samples.integer;
1859                                 float enlarge = sv_cullentities_trace_enlarge.value;
1860
1861                                 if(samples > 0)
1862                                 {
1863                                         int eyeindex;
1864                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1865                                                 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))
1866                                                         break;
1867                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1868                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1869                                                         host.realtime + (
1870                                                                 s->number <= svs.maxclients
1871                                                                         ? sv_cullentities_trace_delay_players.value
1872                                                                         : sv_cullentities_trace_delay.value
1873                                                         );
1874                                         else if (host.realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1875                                         {
1876                                                 sv.writeentitiestoclient_stats_culled_trace++;
1877                                                 return;
1878                                         }
1879                                 }
1880                         }
1881                 }
1882         }
1883
1884         // this just marks it for sending
1885         // FIXME: it would be more efficient to send here, but the entity
1886         // compressor isn't that flexible
1887         sv.writeentitiestoclient_stats_visibleentities++;
1888         sv.sententities[s->number] = sv.sententitiesmark;
1889 }
1890
1891 #if MAX_LEVELNETWORKEYES > 0
1892 #define MAX_EYE_RECURSION 1 // increase if recursion gets supported by portals
1893 static void SV_AddCameraEyes(void)
1894 {
1895         prvm_prog_t *prog = SVVM_prog;
1896         int e, i, j, k;
1897         prvm_edict_t *ed;
1898         static int cameras[MAX_LEVELNETWORKEYES];
1899         static vec3_t camera_origins[MAX_LEVELNETWORKEYES];
1900         static int eye_levels[MAX_CLIENTNETWORKEYES];
1901         int n_cameras = 0;
1902         vec3_t mi, ma;
1903
1904         for(i = 0; i < sv.writeentitiestoclient_numeyes; ++i)
1905                 eye_levels[i] = 0;
1906
1907         // check line of sight to portal entities and add them to PVS
1908         for (e = 1, ed = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ed = PRVM_NEXT_EDICT(ed))
1909         {
1910                 if (!ed->priv.server->free)
1911                 {
1912                         if(PRVM_serveredictfunction(ed, camera_transform))
1913                         {
1914                                 PRVM_serverglobalfloat(time) = sv.time;
1915                                 PRVM_serverglobaledict(self) = e;
1916                                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1917                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_serverglobalvector(trace_endpos));
1918                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_G_VECTOR(OFS_PARM0));
1919                                 VectorClear(PRVM_G_VECTOR(OFS_PARM1));
1920                                 prog->ExecuteProgram(prog, PRVM_serveredictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1921                                 if(!VectorCompare(PRVM_serverglobalvector(trace_endpos), sv.writeentitiestoclient_eyes[0]))
1922                                 {
1923                                         VectorCopy(PRVM_serverglobalvector(trace_endpos), camera_origins[n_cameras]);
1924                                         cameras[n_cameras] = e;
1925                                         ++n_cameras;
1926                                         if(n_cameras >= MAX_LEVELNETWORKEYES)
1927                                                 break;
1928                                 }
1929                         }
1930                 }
1931         }
1932
1933         if(!n_cameras)
1934                 return;
1935
1936         // i is loop counter, is reset to 0 when an eye got added
1937         // j is camera index to check
1938         for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras)
1939         {
1940                 if(!cameras[j])
1941                         continue;
1942                 ed = PRVM_EDICT_NUM(cameras[j]);
1943                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, mins), mi);
1944                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, maxs), ma);
1945                 for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k)
1946                 if(eye_levels[k] <= MAX_EYE_RECURSION)
1947                 {
1948                         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))
1949                         {
1950                                 eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1;
1951                                 VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1952                                 // 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);
1953                                 sv.writeentitiestoclient_numeyes++;
1954                                 cameras[j] = 0;
1955                                 i = 0;
1956                                 break;
1957                         }
1958                 }
1959         }
1960 }
1961 #else
1962 void SV_AddCameraEyes(void)
1963 {
1964 }
1965 #endif
1966
1967 static void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1968 {
1969         prvm_prog_t *prog = SVVM_prog;
1970         qboolean need_empty = false;
1971         int i, numsendstates, numcsqcsendstates;
1972         entity_state_t *s;
1973         prvm_edict_t *camera;
1974         qboolean success;
1975         vec3_t eye;
1976
1977         // if there isn't enough space to accomplish anything, skip it
1978         if (msg->cursize + 25 > maxsize)
1979                 return;
1980
1981         sv.writeentitiestoclient_msg = msg;
1982         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1983
1984         sv.writeentitiestoclient_stats_culled_pvs = 0;
1985         sv.writeentitiestoclient_stats_culled_trace = 0;
1986         sv.writeentitiestoclient_stats_visibleentities = 0;
1987         sv.writeentitiestoclient_stats_totalentities = 0;
1988         sv.writeentitiestoclient_numeyes = 0;
1989
1990         // get eye location
1991         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LadyHavoc: for comparison purposes
1992         camera = PRVM_EDICT_NUM( client->clientcamera );
1993         VectorAdd(PRVM_serveredictvector(camera, origin), PRVM_serveredictvector(clent, view_ofs), eye);
1994         sv.writeentitiestoclient_pvsbytes = 0;
1995         // get the PVS values for the eye location, later FatPVS calls will merge
1996         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1997                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1998
1999         // add the eye to a list for SV_CanSeeBox tests
2000         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
2001         sv.writeentitiestoclient_numeyes++;
2002
2003         // calculate predicted eye origin for SV_CanSeeBox tests
2004         if (sv_cullentities_trace_prediction.integer)
2005         {
2006                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
2007                 vec3_t predeye;
2008                 VectorMA(eye, predtime, PRVM_serveredictvector(camera, velocity), predeye);
2009                 if (SV_CanSeeBox(1, 0, 0, 0, eye, predeye, predeye))
2010                 {
2011                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
2012                         sv.writeentitiestoclient_numeyes++;
2013                 }
2014                 //if (!sv.writeentitiestoclient_useprediction)
2015                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
2016         }
2017
2018         SV_AddCameraEyes();
2019
2020         // build PVS from the new eyes
2021         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
2022                 for(i = 1; i < sv.writeentitiestoclient_numeyes; ++i)
2023                         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);
2024
2025         sv.sententitiesmark++;
2026
2027         for (i = 0;i < sv.numsendentities;i++)
2028                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
2029
2030         numsendstates = 0;
2031         numcsqcsendstates = 0;
2032         for (i = 0;i < sv.numsendentities;i++)
2033         {
2034                 s = &sv.sendentities[i];
2035                 if (sv.sententities[s->number] == sv.sententitiesmark)
2036                 {
2037                         if(s->active == ACTIVE_NETWORK)
2038                         {
2039                                 if (s->exteriormodelforclient)
2040                                 {
2041                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
2042                                                 s->flags |= RENDER_EXTERIORMODEL;
2043                                         else
2044                                                 s->flags &= ~RENDER_EXTERIORMODEL;
2045                                 }
2046                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
2047                         }
2048                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
2049                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
2050                         else
2051                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
2052                 }
2053         }
2054
2055         if (sv_cullentities_stats.integer)
2056                 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);
2057
2058         if(client->entitydatabase5)
2059                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
2060         else
2061                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
2062
2063         // force every 16th frame to be not empty (or cl_movement replay takes
2064         // too long)
2065         // BTW, this should normally not kick in any more due to the check
2066         // below, except if the client stopped sending movement frames
2067         if(client->num_skippedentityframes >= 16)
2068                 need_empty = true;
2069
2070         // help cl_movement a bit more
2071         if(client->movesequence != client->lastmovesequence)
2072                 need_empty = true;
2073         client->lastmovesequence = client->movesequence;
2074
2075         if (client->entitydatabase5)
2076                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
2077         else if (client->entitydatabase4)
2078         {
2079                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
2080                 Protocol_WriteStatsReliable();
2081         }
2082         else if (client->entitydatabase)
2083         {
2084                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
2085                 Protocol_WriteStatsReliable();
2086         }
2087         else
2088         {
2089                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
2090                 Protocol_WriteStatsReliable();
2091         }
2092
2093         if(success)
2094                 client->num_skippedentityframes = 0;
2095         else
2096                 ++client->num_skippedentityframes;
2097 }
2098
2099 /*
2100 =============
2101 SV_CleanupEnts
2102
2103 =============
2104 */
2105 static void SV_CleanupEnts (void)
2106 {
2107         prvm_prog_t *prog = SVVM_prog;
2108         int             e;
2109         prvm_edict_t    *ent;
2110
2111         ent = PRVM_NEXT_EDICT(prog->edicts);
2112         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
2113                 PRVM_serveredictfloat(ent, effects) = (int)PRVM_serveredictfloat(ent, effects) & ~EF_MUZZLEFLASH;
2114 }
2115
2116 /*
2117 ==================
2118 SV_WriteClientdataToMessage
2119
2120 ==================
2121 */
2122 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
2123 {
2124         prvm_prog_t *prog = SVVM_prog;
2125         int             bits;
2126         int             i;
2127         prvm_edict_t    *other;
2128         int             items;
2129         vec3_t  punchvector;
2130         int             viewzoom;
2131         const char *s;
2132         float   *statsf = (float *)stats;
2133         float gravity;
2134
2135 //
2136 // send a damage message
2137 //
2138         if (PRVM_serveredictfloat(ent, dmg_take) || PRVM_serveredictfloat(ent, dmg_save))
2139         {
2140                 other = PRVM_PROG_TO_EDICT(PRVM_serveredictedict(ent, dmg_inflictor));
2141                 MSG_WriteByte (msg, svc_damage);
2142                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_save));
2143                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_take));
2144                 for (i=0 ; i<3 ; i++)
2145                         MSG_WriteCoord (msg, PRVM_serveredictvector(other, origin)[i] + 0.5*(PRVM_serveredictvector(other, mins)[i] + PRVM_serveredictvector(other, maxs)[i]), sv.protocol);
2146
2147                 PRVM_serveredictfloat(ent, dmg_take) = 0;
2148                 PRVM_serveredictfloat(ent, dmg_save) = 0;
2149         }
2150
2151 //
2152 // send the current viewpos offset from the view entity
2153 //
2154         SV_SetIdealPitch ();            // how much to look up / down ideally
2155
2156 // a fixangle might get lost in a dropped packet.  Oh well.
2157         if(PRVM_serveredictfloat(ent, fixangle))
2158         {
2159                 // angle fixing was requested by global thinking code...
2160                 // so store the current angles for later use
2161                 VectorCopy(PRVM_serveredictvector(ent, angles), host_client->fixangle_angles);
2162                 host_client->fixangle_angles_set = true;
2163
2164                 // and clear fixangle for the next frame
2165                 PRVM_serveredictfloat(ent, fixangle) = 0;
2166         }
2167
2168         if (host_client->fixangle_angles_set)
2169         {
2170                 MSG_WriteByte (msg, svc_setangle);
2171                 for (i=0 ; i < 3 ; i++)
2172                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
2173                 host_client->fixangle_angles_set = false;
2174         }
2175
2176         // the runes are in serverflags, pack them into the items value, also pack
2177         // in the items2 value for mission pack huds
2178         // (used only in the mission packs, which do not use serverflags)
2179         items = (int)PRVM_serveredictfloat(ent, items) | ((int)PRVM_serveredictfloat(ent, items2) << 23) | ((int)PRVM_serverglobalfloat(serverflags) << 28);
2180
2181         VectorCopy(PRVM_serveredictvector(ent, punchvector), punchvector);
2182
2183         // cache weapon model name and index in client struct to save time
2184         // (this search can be almost 1% of cpu time!)
2185         s = PRVM_GetString(prog, PRVM_serveredictstring(ent, weaponmodel));
2186         if (strcmp(s, client->weaponmodel))
2187         {
2188                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
2189                 client->weaponmodelindex = SV_ModelIndex(s, 1);
2190         }
2191
2192         viewzoom = (int)(PRVM_serveredictfloat(ent, viewzoom) * 255.0f);
2193         if (viewzoom == 0)
2194                 viewzoom = 255;
2195
2196         bits = 0;
2197
2198         if ((int)PRVM_serveredictfloat(ent, flags) & FL_ONGROUND)
2199                 bits |= SU_ONGROUND;
2200         if (PRVM_serveredictfloat(ent, waterlevel) >= 2)
2201                 bits |= SU_INWATER;
2202         if (PRVM_serveredictfloat(ent, idealpitch))
2203                 bits |= SU_IDEALPITCH;
2204
2205         for (i=0 ; i<3 ; i++)
2206         {
2207                 if (PRVM_serveredictvector(ent, punchangle)[i])
2208                         bits |= (SU_PUNCH1<<i);
2209                 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)
2210                         if (punchvector[i])
2211                                 bits |= (SU_PUNCHVEC1<<i);
2212                 if (PRVM_serveredictvector(ent, velocity)[i])
2213                         bits |= (SU_VELOCITY1<<i);
2214         }
2215
2216         gravity = PRVM_serveredictfloat(ent, gravity);if (!gravity) gravity = 1.0f;
2217
2218         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
2219         stats[STAT_VIEWHEIGHT] = (int)PRVM_serveredictvector(ent, view_ofs)[2];
2220         stats[STAT_ITEMS] = items;
2221         stats[STAT_WEAPONFRAME] = (int)PRVM_serveredictfloat(ent, weaponframe);
2222         stats[STAT_ARMOR] = (int)PRVM_serveredictfloat(ent, armorvalue);
2223         stats[STAT_WEAPON] = client->weaponmodelindex;
2224         stats[STAT_HEALTH] = (int)PRVM_serveredictfloat(ent, health);
2225         stats[STAT_AMMO] = (int)PRVM_serveredictfloat(ent, currentammo);
2226         stats[STAT_SHELLS] = (int)PRVM_serveredictfloat(ent, ammo_shells);
2227         stats[STAT_NAILS] = (int)PRVM_serveredictfloat(ent, ammo_nails);
2228         stats[STAT_ROCKETS] = (int)PRVM_serveredictfloat(ent, ammo_rockets);
2229         stats[STAT_CELLS] = (int)PRVM_serveredictfloat(ent, ammo_cells);
2230         stats[STAT_ACTIVEWEAPON] = (int)PRVM_serveredictfloat(ent, weapon);
2231         stats[STAT_VIEWZOOM] = viewzoom;
2232         stats[STAT_TOTALSECRETS] = (int)PRVM_serverglobalfloat(total_secrets);
2233         stats[STAT_TOTALMONSTERS] = (int)PRVM_serverglobalfloat(total_monsters);
2234         // the QC bumps these itself by sending svc_'s, so we have to keep them
2235         // zero or they'll be corrected by the engine
2236         //stats[STAT_SECRETS] = PRVM_serverglobalfloat(found_secrets);
2237         //stats[STAT_MONSTERS] = PRVM_serverglobalfloat(killed_monsters);
2238
2239         if(!sv_gameplayfix_customstats.integer)
2240         {
2241                 statsf[STAT_MOVEVARS_AIRACCEL_QW_STRETCHFACTOR] = sv_airaccel_qw_stretchfactor.value;
2242                 statsf[STAT_MOVEVARS_AIRCONTROL_PENALTY] = sv_aircontrol_penalty.value;
2243                 statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW] = sv_airspeedlimit_nonqw.value;
2244                 statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value;
2245                 statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value;
2246                 // movement settings for prediction
2247                 // note: these are not sent in protocols with lower MAX_CL_STATS limits
2248                 stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
2249                         | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
2250                         | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0)
2251                         | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0)
2252                 ;
2253                 statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
2254                 statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
2255                 statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
2256                 statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
2257                 statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
2258                 statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
2259                 statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
2260                 statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
2261                 statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
2262                 statsf[STAT_FRAGLIMIT] = fraglimit.value;
2263                 statsf[STAT_TIMELIMIT] = timelimit.value;
2264                 statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
2265                 statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
2266                 statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
2267                 statsf[STAT_MOVEVARS_TIMESCALE] = host_timescale.value;
2268                 statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
2269                 statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
2270                 statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
2271                 statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
2272                 statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
2273                 statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
2274                 statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
2275                 statsf[STAT_MOVEVARS_ENTGRAVITY] = gravity;
2276                 statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
2277                 statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
2278                 statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
2279                 statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
2280                 statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
2281                 statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
2282         }
2283
2284         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)
2285         {
2286                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
2287                 bits |= SU_ITEMS;
2288                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
2289                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
2290                 bits |= SU_WEAPON;
2291                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
2292                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2293                         if (viewzoom != 255)
2294                                 bits |= SU_VIEWZOOM;
2295         }
2296
2297         if (bits >= 65536)
2298                 bits |= SU_EXTEND1;
2299         if (bits >= 16777216)
2300                 bits |= SU_EXTEND2;
2301
2302         // send the data
2303         MSG_WriteByte (msg, svc_clientdata);
2304         MSG_WriteShort (msg, bits);
2305         if (bits & SU_EXTEND1)
2306                 MSG_WriteByte(msg, bits >> 16);
2307         if (bits & SU_EXTEND2)
2308                 MSG_WriteByte(msg, bits >> 24);
2309
2310         if (bits & SU_VIEWHEIGHT)
2311                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
2312
2313         if (bits & SU_IDEALPITCH)
2314                 MSG_WriteChar (msg, (int)PRVM_serveredictfloat(ent, idealpitch));
2315
2316         for (i=0 ; i<3 ; i++)
2317         {
2318                 if (bits & (SU_PUNCH1<<i))
2319                 {
2320                         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)
2321                                 MSG_WriteChar(msg, (int)PRVM_serveredictvector(ent, punchangle)[i]);
2322                         else
2323                                 MSG_WriteAngle16i(msg, PRVM_serveredictvector(ent, punchangle)[i]);
2324                 }
2325                 if (bits & (SU_PUNCHVEC1<<i))
2326                 {
2327                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2328                                 MSG_WriteCoord16i(msg, punchvector[i]);
2329                         else
2330                                 MSG_WriteCoord32f(msg, punchvector[i]);
2331                 }
2332                 if (bits & (SU_VELOCITY1<<i))
2333                 {
2334                         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)
2335                                 MSG_WriteChar(msg, (int)(PRVM_serveredictvector(ent, velocity)[i] * (1.0f / 16.0f)));
2336                         else
2337                                 MSG_WriteCoord32f(msg, PRVM_serveredictvector(ent, velocity)[i]);
2338                 }
2339         }
2340
2341         if (bits & SU_ITEMS)
2342                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
2343
2344         if (sv.protocol == PROTOCOL_DARKPLACES5)
2345         {
2346                 if (bits & SU_WEAPONFRAME)
2347                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
2348                 if (bits & SU_ARMOR)
2349                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
2350                 if (bits & SU_WEAPON)
2351                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
2352                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2353                 MSG_WriteShort (msg, stats[STAT_AMMO]);
2354                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
2355                 MSG_WriteShort (msg, stats[STAT_NAILS]);
2356                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
2357                 MSG_WriteShort (msg, stats[STAT_CELLS]);
2358                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
2359                 if (bits & SU_VIEWZOOM)
2360                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2361         }
2362         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)
2363         {
2364                 if (bits & SU_WEAPONFRAME)
2365                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
2366                 if (bits & SU_ARMOR)
2367                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
2368                 if (bits & SU_WEAPON)
2369                 {
2370                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2371                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
2372                         else
2373                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
2374                 }
2375                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2376                 MSG_WriteByte (msg, stats[STAT_AMMO]);
2377                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
2378                 MSG_WriteByte (msg, stats[STAT_NAILS]);
2379                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
2380                 MSG_WriteByte (msg, stats[STAT_CELLS]);
2381                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_QUOTH || IS_OLDNEXUIZ_DERIVED(gamemode))
2382                 {
2383                         for (i = 0;i < 32;i++)
2384                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
2385                                         break;
2386                         MSG_WriteByte (msg, i);
2387                 }
2388                 else
2389                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
2390                 if (bits & SU_VIEWZOOM)
2391                 {
2392                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2393                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
2394                         else
2395                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2396                 }
2397         }
2398 }
2399
2400 void SV_FlushBroadcastMessages(void)
2401 {
2402         int i;
2403         client_t *client;
2404         if (sv.datagram.cursize <= 0)
2405                 return;
2406         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2407         {
2408                 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])))
2409                         continue;
2410                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2411                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2412         }
2413         SZ_Clear(&sv.datagram);
2414 }
2415
2416 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2417 {
2418         // scan the splitpoints to find out how many we can fit in
2419         int numsegments, j, split;
2420         if (!client->unreliablemsg_splitpoints)
2421                 return;
2422         // always accept the first one if it's within 1024 bytes, this ensures
2423         // that very big datagrams which are over the rate limit still get
2424         // through, just to keep it working
2425         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2426                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2427                         break;
2428         // the first segment gets an exemption from the rate limiting, otherwise
2429         // it could get dropped consistently due to a low rate limit
2430         if (numsegments == 1)
2431                 maxsize = maxsize2;
2432         // some will fit, so add the ones that will fit
2433         split = client->unreliablemsg_splitpoint[numsegments-1];
2434         // note this discards ones that were accepted by the segments scan but
2435         // can not fit, such as a really huge first one that will never ever
2436         // fit in a packet...
2437         if (msg->cursize + split <= maxsize)
2438                 SZ_Write(msg, client->unreliablemsg.data, split);
2439         // remove the part we sent, keeping any remaining data
2440         client->unreliablemsg.cursize -= split;
2441         if (client->unreliablemsg.cursize > 0)
2442                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2443         // adjust remaining splitpoints
2444         client->unreliablemsg_splitpoints -= numsegments;
2445         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2446                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2447 }
2448
2449 /*
2450 =======================
2451 SV_SendClientDatagram
2452 =======================
2453 */
2454 static void SV_SendClientDatagram (client_t *client)
2455 {
2456         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2457         sizebuf_t msg;
2458         int stats[MAX_CL_STATS];
2459         static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2460         double timedelta;
2461
2462         // obey rate limit by limiting packet frequency if the packet size
2463         // limiting fails
2464         // (usually this is caused by reliable messages)
2465         if (!NetConn_CanSend(client->netconnection))
2466                 return;
2467
2468         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2469         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2470         if (sv_maxrate.integer != maxrate)
2471                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2472
2473         // clientrate determines the 'cleartime' of a packet
2474         // (how long to wait before sending another, based on this packet's size)
2475         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2476
2477         switch (sv.protocol)
2478         {
2479         case PROTOCOL_QUAKE:
2480         case PROTOCOL_QUAKEDP:
2481         case PROTOCOL_NEHAHRAMOVIE:
2482         case PROTOCOL_NEHAHRABJP:
2483         case PROTOCOL_NEHAHRABJP2:
2484         case PROTOCOL_NEHAHRABJP3:
2485         case PROTOCOL_QUAKEWORLD:
2486                 // no packet size limit support on Quake protocols because it just
2487                 // causes missing entities/effects
2488                 // packets are simply sent less often to obey the rate limit
2489                 maxsize = 1024;
2490                 maxsize2 = 1024;
2491                 break;
2492         case PROTOCOL_DARKPLACES1:
2493         case PROTOCOL_DARKPLACES2:
2494         case PROTOCOL_DARKPLACES3:
2495         case PROTOCOL_DARKPLACES4:
2496                 // no packet size limit support on DP1-4 protocols because they kick
2497                 // the client off if they overflow, and miss effects
2498                 // packets are simply sent less often to obey the rate limit
2499                 maxsize = sizeof(sv_sendclientdatagram_buf);
2500                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2501                 break;
2502         default:
2503                 // DP5 and later protocols support packet size limiting which is a
2504                 // better method than limiting packet frequency as QW does
2505                 //
2506                 // at very low rates (or very small sys_ticrate) the packet size is
2507                 // not reduced below 128, but packets may be sent less often
2508
2509                 // how long are bursts?
2510                 timedelta = host_client->rate_burstsize / (double)client->rate;
2511
2512                 // how much of the burst do we keep reserved?
2513                 timedelta *= 1 - net_burstreserve.value;
2514
2515                 // only try to use excess time
2516                 timedelta = bound(0, host.realtime - host_client->netconnection->cleartime, timedelta);
2517
2518                 // but we know next packet will be in sys_ticrate, so we can use up THAT bandwidth
2519                 timedelta += sys_ticrate.value;
2520
2521                 // note: packet overhead (not counted in maxsize) is 28 bytes
2522                 maxsize = (int)(clientrate * timedelta) - 28;
2523
2524                 // put it in sound bounds
2525                 maxsize = bound(128, maxsize, 1400);
2526                 maxsize2 = 1400;
2527
2528                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2529                 // mods that use csqc (they are likely to use less bandwidth anyway)
2530                 if((net_usesizelimit.integer == 1) ? (sv.csqc_progsize > 0) : (net_usesizelimit.integer < 1))
2531                         maxsize = maxsize2;
2532
2533                 break;
2534         }
2535
2536         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2537         {
2538                 // for good singleplayer, send huge packets
2539                 maxsize = sizeof(sv_sendclientdatagram_buf);
2540                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2541                 // never limit frequency in singleplayer
2542                 clientrate = 1000000000;
2543         }
2544
2545         // while downloading, limit entity updates to half the packet
2546         // (any leftover space will be used for downloading)
2547         if (host_client->download_file)
2548                 maxsize /= 2;
2549
2550         msg.data = sv_sendclientdatagram_buf;
2551         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2552         msg.cursize = 0;
2553         msg.allowoverflow = false;
2554
2555         if (host_client->begun)
2556         {
2557                 // the player is in the game
2558                 MSG_WriteByte (&msg, svc_time);
2559                 MSG_WriteFloat (&msg, sv.time);
2560
2561                 // add the client specific data to the datagram
2562                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2563                 // now update the stats[] array using any registered custom fields
2564                 VM_SV_UpdateCustomStats(client, client->edict, &msg, stats);
2565                 // set host_client->statsdeltabits
2566                 Protocol_UpdateClientStats (stats);
2567
2568                 // add as many queued unreliable messages (effects) as we can fit
2569                 // limit effects to half of the remaining space
2570                 if (client->unreliablemsg.cursize)
2571                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2572
2573                 // now write as many entities as we can fit, and also sends stats
2574                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2575         }
2576         else if (host.realtime > client->keepalivetime)
2577         {
2578                 // the player isn't totally in the game yet
2579                 // send small keepalive messages if too much time has passed
2580                 // (may also be sending downloads)
2581                 client->keepalivetime = host.realtime + 5;
2582                 MSG_WriteChar (&msg, svc_nop);
2583         }
2584
2585         // if a download is active, see if there is room to fit some download data
2586         // in this packet
2587         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2588         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2589         {
2590                 fs_offset_t downloadstart;
2591                 unsigned char data[1400];
2592                 downloadstart = FS_Tell(host_client->download_file);
2593                 downloadsize = min(downloadsize, (int)sizeof(data));
2594                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2595                 // note this sends empty messages if at the end of the file, which is
2596                 // necessary to keep the packet loss logic working
2597                 // (the last blocks may be lost and need to be re-sent, and that will
2598                 //  only occur if the client acks the empty end messages, revealing
2599                 //  a gap in the download progress, causing the last blocks to be
2600                 //  sent again)
2601                 MSG_WriteChar (&msg, svc_downloaddata);
2602                 MSG_WriteLong (&msg, downloadstart);
2603                 MSG_WriteShort (&msg, downloadsize);
2604                 if (downloadsize > 0)
2605                         SZ_Write (&msg, data, downloadsize);
2606         }
2607
2608         // reliable only if none is in progress
2609         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2610                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2611         // unreliable
2612         SV_WriteDemoMessage(client, &msg, false);
2613
2614 // send the datagram
2615         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->rate_burstsize, client->sendsignon == 2);
2616         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2617                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2618 }
2619
2620 /*
2621 =======================
2622 SV_UpdateToReliableMessages
2623 =======================
2624 */
2625 static void SV_UpdateToReliableMessages (void)
2626 {
2627         prvm_prog_t *prog = SVVM_prog;
2628         int i, j;
2629         client_t *client;
2630         const char *name;
2631         const char *model;
2632         const char *skin;
2633         int clientcamera;
2634
2635 // check for changes to be sent over the reliable streams
2636         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2637         {
2638                 // update the host_client fields we care about according to the entity fields
2639                 host_client->edict = PRVM_EDICT_NUM(i+1);
2640
2641                 // DP_SV_CLIENTNAME
2642                 name = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, netname));
2643                 if (name == NULL)
2644                         name = "";
2645                 // always point the string back at host_client->name to keep it safe
2646                 //strlcpy (host_client->name, name, sizeof (host_client->name));
2647                 if (name != host_client->name) // prevent buffer overlap SIGABRT on Mac OSX
2648                         strlcpy (host_client->name, name, sizeof (host_client->name));
2649                 PRVM_serveredictstring(host_client->edict, netname) = PRVM_SetEngineString(prog, host_client->name);
2650                 if (strcmp(host_client->old_name, host_client->name))
2651                 {
2652                         if (host_client->begun)
2653                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2654                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2655                         // send notification to all clients
2656                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2657                         MSG_WriteByte (&sv.reliable_datagram, i);
2658                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2659                         SV_WriteNetnameIntoDemo(host_client);
2660                 }
2661
2662                 // DP_SV_CLIENTCOLORS
2663                 host_client->colors = (int)PRVM_serveredictfloat(host_client->edict, clientcolors);
2664                 if (host_client->old_colors != host_client->colors)
2665                 {
2666                         host_client->old_colors = host_client->colors;
2667                         // send notification to all clients
2668                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2669                         MSG_WriteByte (&sv.reliable_datagram, i);
2670                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2671                 }
2672
2673                 // NEXUIZ_PLAYERMODEL
2674                 model = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, playermodel));
2675                 if (model == NULL)
2676                         model = "";
2677                 // always point the string back at host_client->name to keep it safe
2678                 //strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2679                 if (model != host_client->playermodel) // prevent buffer overlap SIGABRT on Mac OSX
2680                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2681                 PRVM_serveredictstring(host_client->edict, playermodel) = PRVM_SetEngineString(prog, host_client->playermodel);
2682
2683                 // NEXUIZ_PLAYERSKIN
2684                 skin = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, playerskin));
2685                 if (skin == NULL)
2686                         skin = "";
2687                 // always point the string back at host_client->name to keep it safe
2688                 //strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2689                 if (skin != host_client->playerskin) // prevent buffer overlap SIGABRT on Mac OSX
2690                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2691                 PRVM_serveredictstring(host_client->edict, playerskin) = PRVM_SetEngineString(prog, host_client->playerskin);
2692
2693                 // TODO: add an extension name for this [1/17/2008 Black]
2694                 clientcamera = PRVM_serveredictedict(host_client->edict, clientcamera);
2695                 if (clientcamera > 0)
2696                 {
2697                         int oldclientcamera = host_client->clientcamera;
2698                         if (clientcamera >= prog->max_edicts || PRVM_EDICT_NUM(clientcamera)->priv.required->free)
2699                                 clientcamera = PRVM_NUM_FOR_EDICT(host_client->edict);
2700                         host_client->clientcamera = clientcamera;
2701
2702                         if (oldclientcamera != host_client->clientcamera && host_client->netconnection)
2703                         {
2704                                 MSG_WriteByte(&host_client->netconnection->message, svc_setview);
2705                                 MSG_WriteShort(&host_client->netconnection->message, host_client->clientcamera);
2706                         }
2707                 }
2708
2709                 // frags
2710                 host_client->frags = (int)PRVM_serveredictfloat(host_client->edict, frags);
2711                 if(IS_OLDNEXUIZ_DERIVED(gamemode))
2712                         if(!host_client->begun && host_client->netconnection)
2713                                 host_client->frags = -666;
2714                 if (host_client->old_frags != host_client->frags)
2715                 {
2716                         host_client->old_frags = host_client->frags;
2717                         // send notification to all clients
2718                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2719                         MSG_WriteByte (&sv.reliable_datagram, i);
2720                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2721                 }
2722         }
2723
2724         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2725                 if (client->netconnection && (client->begun || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2726                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2727
2728         SZ_Clear (&sv.reliable_datagram);
2729 }
2730
2731
2732 /*
2733 =======================
2734 SV_SendClientMessages
2735 =======================
2736 */
2737 void SV_SendClientMessages(void)
2738 {
2739         int i, prepared = false;
2740
2741         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2742                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2743
2744         SV_FlushBroadcastMessages();
2745
2746 // update frags, names, etc
2747         SV_UpdateToReliableMessages();
2748
2749 // build individual updates
2750         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2751         {
2752                 if (!host_client->active)
2753                         continue;
2754                 if (!host_client->netconnection)
2755                         continue;
2756
2757                 if (host_client->netconnection->message.overflowed)
2758                 {
2759                         SV_DropClient (true);   // if the message couldn't send, kick off
2760                         continue;
2761                 }
2762
2763                 if (!prepared)
2764                 {
2765                         prepared = true;
2766                         // only prepare entities once per frame
2767                         SV_PrepareEntitiesForSending();
2768                 }
2769                 SV_SendClientDatagram(host_client);
2770         }
2771
2772 // clear muzzle flashes
2773         SV_CleanupEnts();
2774 }
2775
2776 static void SV_StartDownload_f(cmd_state_t *cmd)
2777 {
2778         if (host_client->download_file)
2779                 host_client->download_started = true;
2780 }
2781
2782 /*
2783  * Compression extension negotiation:
2784  *
2785  * Server to client:
2786  *   cl_serverextension_download 2
2787  *
2788  * Client to server:
2789  *   download <filename> <list of zero or more suppported compressions in order of preference>
2790  * e.g.
2791  *   download maps/map1.bsp lzo deflate huffman
2792  *
2793  * Server to client:
2794  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2795  * e.g.
2796  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2797  *
2798  * The server may choose not to compress the file by sending no compression name, like:
2799  *   cl_downloadbegin 345678 maps/map1.bsp
2800  *
2801  * NOTE: the "download" command may only specify compression algorithms if
2802  *       cl_serverextension_download is 2!
2803  *       If cl_serverextension_download has a different value, the client must
2804  *       assume this extension is not supported!
2805  */
2806
2807 static void Download_CheckExtensions(cmd_state_t *cmd)
2808 {
2809         int i;
2810         int argc = Cmd_Argc(cmd);
2811
2812         // first reset them all
2813         host_client->download_deflate = false;
2814
2815         for(i = 2; i < argc; ++i)
2816         {
2817                 if(!strcmp(Cmd_Argv(cmd, i), "deflate"))
2818                 {
2819                         host_client->download_deflate = true;
2820                         break;
2821                 }
2822         }
2823 }
2824
2825 static void SV_Download_f(cmd_state_t *cmd)
2826 {
2827         const char *whichpack, *whichpack2, *extension;
2828         qboolean is_csqc; // so we need to check only once
2829
2830         if (Cmd_Argc(cmd) < 2)
2831         {
2832                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2833                 SV_ClientPrintf("       supported extensions: deflate\n");
2834                 return;
2835         }
2836
2837         if (FS_CheckNastyPath(Cmd_Argv(cmd, 1), false))
2838         {
2839                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(cmd, 1));
2840                 return;
2841         }
2842
2843         if (host_client->download_file)
2844         {
2845                 // at this point we'll assume the previous download should be aborted
2846                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2847                 SV_ClientCommands("\nstopdownload\n");
2848
2849                 // close the file and reset variables
2850                 FS_Close(host_client->download_file);
2851                 host_client->download_file = NULL;
2852                 host_client->download_name[0] = 0;
2853                 host_client->download_expectedposition = 0;
2854                 host_client->download_started = false;
2855         }
2856
2857         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(cmd, 1), sv.csqc_progname) == 0);
2858
2859         if (!sv_allowdownloads.integer && !is_csqc)
2860         {
2861                 SV_ClientPrintf("Downloads are disabled on this server\n");
2862                 SV_ClientCommands("\nstopdownload\n");
2863                 return;
2864         }
2865
2866         Download_CheckExtensions(cmd);
2867
2868         strlcpy(host_client->download_name, Cmd_Argv(cmd, 1), sizeof(host_client->download_name));
2869         extension = FS_FileExtension(host_client->download_name);
2870
2871         // host_client is asking to download a specified file
2872         if (developer_extra.integer)
2873                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2874
2875         if(is_csqc)
2876         {
2877                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2878                 extensions[0] = '\0';
2879
2880                 if(host_client->download_deflate)
2881                         strlcat(extensions, " deflate", sizeof(extensions));
2882
2883                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2884
2885                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2886                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2887                 else
2888                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2889
2890                 // no, no space is needed between %s and %s :P
2891                 SV_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2892
2893                 host_client->download_expectedposition = 0;
2894                 host_client->download_started = false;
2895                 host_client->sendsignon = true; // make sure this message is sent
2896                 return;
2897         }
2898
2899         if (!FS_FileExists(host_client->download_name))
2900         {
2901                 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);
2902                 SV_ClientCommands("\nstopdownload\n");
2903                 return;
2904         }
2905
2906         // check if the user is trying to download part of registered Quake(r)
2907         whichpack = FS_WhichPack(host_client->download_name);
2908         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2909         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2910         {
2911                 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);
2912                 SV_ClientCommands("\nstopdownload\n");
2913                 return;
2914         }
2915
2916         // check if the server has forbidden archive downloads entirely
2917         if (!sv_allowdownloads_inarchive.integer)
2918         {
2919                 whichpack = FS_WhichPack(host_client->download_name);
2920                 if (whichpack)
2921                 {
2922                         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);
2923                         SV_ClientCommands("\nstopdownload\n");
2924                         return;
2925                 }
2926         }
2927
2928         if (!sv_allowdownloads_config.integer)
2929         {
2930                 if (!strcasecmp(extension, "cfg"))
2931                 {
2932                         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);
2933                         SV_ClientCommands("\nstopdownload\n");
2934                         return;
2935                 }
2936         }
2937
2938         if (!sv_allowdownloads_dlcache.integer)
2939         {
2940                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2941                 {
2942                         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);
2943                         SV_ClientCommands("\nstopdownload\n");
2944                         return;
2945                 }
2946         }
2947
2948         if (!sv_allowdownloads_archive.integer)
2949         {
2950                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2951                 {
2952                         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);
2953                         SV_ClientCommands("\nstopdownload\n");
2954                         return;
2955                 }
2956         }
2957
2958         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2959         if (!host_client->download_file)
2960         {
2961                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2962                 SV_ClientCommands("\nstopdownload\n");
2963                 return;
2964         }
2965
2966         if (FS_FileSize(host_client->download_file) > 1<<30)
2967         {
2968                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2969                 SV_ClientCommands("\nstopdownload\n");
2970                 FS_Close(host_client->download_file);
2971                 host_client->download_file = NULL;
2972                 return;
2973         }
2974
2975         if (FS_FileSize(host_client->download_file) < 0)
2976         {
2977                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2978                 SV_ClientCommands("\nstopdownload\n");
2979                 FS_Close(host_client->download_file);
2980                 host_client->download_file = NULL;
2981                 return;
2982         }
2983
2984         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2985
2986         /*
2987          * we can only do this if we would actually deflate on the fly
2988          * which we do not (yet)!
2989         {
2990                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2991                 extensions[0] = '\0';
2992
2993                 if(host_client->download_deflate)
2994                         strlcat(extensions, " deflate", sizeof(extensions));
2995
2996                 // no, no space is needed between %s and %s :P
2997                 SV_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2998         }
2999         */
3000         SV_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
3001
3002         host_client->download_expectedposition = 0;
3003         host_client->download_started = false;
3004         host_client->sendsignon = true; // make sure this message is sent
3005
3006         // the rest of the download process is handled in SV_SendClientDatagram
3007         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
3008         //
3009         // no svc_downloaddata messages will be sent until sv_startdownload is
3010         // sent by the client
3011 }
3012
3013 /*
3014 ==============================================================================
3015
3016 SERVER SPAWNING
3017
3018 ==============================================================================
3019 */
3020
3021 /*
3022 ================
3023 SV_ModelIndex
3024
3025 ================
3026 */
3027 int SV_ModelIndex(const char *s, int precachemode)
3028 {
3029         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);
3030         char filename[MAX_QPATH];
3031         if (!s || !*s)
3032                 return 0;
3033         // testing
3034         //if (precachemode == 2)
3035         //      return 0;
3036         strlcpy(filename, s, sizeof(filename));
3037         for (i = 2;i < limit;i++)
3038         {
3039                 if (!sv.model_precache[i][0])
3040                 {
3041                         if (precachemode)
3042                         {
3043                                 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))
3044                                 {
3045                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
3046                                         return 0;
3047                                 }
3048                                 if (precachemode == 1)
3049                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
3050                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
3051                                 if (sv.state == ss_loading)
3052                                 {
3053                                         // running from SV_SpawnServer which is launched from the client console command interpreter
3054                                         sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
3055                                 }
3056                                 else
3057                                 {
3058                                         if (svs.threaded)
3059                                         {
3060                                                 // 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
3061                                                 sv.models[i] = Mod_FindName (sv.model_precache[i], s[0] == '*' ? sv.worldname : NULL);
3062                                         }
3063                                         else
3064                                         {
3065                                                 // running single threaded, so we can load the model here
3066                                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
3067                                         }
3068                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
3069                                         MSG_WriteShort(&sv.reliable_datagram, i);
3070                                         MSG_WriteString(&sv.reliable_datagram, filename);
3071                                 }
3072                                 return i;
3073                         }
3074                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
3075                         return 0;
3076                 }
3077                 if (!strcmp(sv.model_precache[i], filename))
3078                         return i;
3079         }
3080         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
3081         return 0;
3082 }
3083
3084 /*
3085 ================
3086 SV_SoundIndex
3087
3088 ================
3089 */
3090 int SV_SoundIndex(const char *s, int precachemode)
3091 {
3092         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);
3093         char filename[MAX_QPATH];
3094         if (!s || !*s)
3095                 return 0;
3096         // testing
3097         //if (precachemode == 2)
3098         //      return 0;
3099         strlcpy(filename, s, sizeof(filename));
3100         for (i = 1;i < limit;i++)
3101         {
3102                 if (!sv.sound_precache[i][0])
3103                 {
3104                         if (precachemode)
3105                         {
3106                                 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))
3107                                 {
3108                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
3109                                         return 0;
3110                                 }
3111                                 if (precachemode == 1)
3112                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
3113                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
3114                                 if (sv.state != ss_loading)
3115                                 {
3116                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
3117                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
3118                                         MSG_WriteString(&sv.reliable_datagram, filename);
3119                                 }
3120                                 return i;
3121                         }
3122                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
3123                         return 0;
3124                 }
3125                 if (!strcmp(sv.sound_precache[i], filename))
3126                         return i;
3127         }
3128         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
3129         return 0;
3130 }
3131
3132 /*
3133 ================
3134 SV_ParticleEffectIndex
3135
3136 ================
3137 */
3138 int SV_ParticleEffectIndex(const char *name)
3139 {
3140         int i, argc, linenumber, effectnameindex;
3141         int filepass;
3142         fs_offset_t filesize;
3143         unsigned char *filedata;
3144         const char *text;
3145         const char *textstart;
3146         //const char *textend;
3147         char argv[16][1024];
3148         char filename[MAX_QPATH];
3149         if (!sv.particleeffectnamesloaded)
3150         {
3151                 sv.particleeffectnamesloaded = true;
3152                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
3153                 for (i = 0;i < EFFECT_TOTAL;i++)
3154                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
3155                 for (filepass = 0;;filepass++)
3156                 {
3157                         if (filepass == 0)
3158                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
3159                         else if (filepass == 1)
3160                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
3161                         else
3162                                 break;
3163                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
3164                         if (!filedata)
3165                                 continue;
3166                         textstart = (const char *)filedata;
3167                         //textend = (const char *)filedata + filesize;
3168                         text = textstart;
3169                         for (linenumber = 1;;linenumber++)
3170                         {
3171                                 argc = 0;
3172                                 for (;;)
3173                                 {
3174                                         if (!COM_ParseToken_Simple(&text, true, false, true) || !strcmp(com_token, "\n"))
3175                                                 break;
3176                                         if (argc < 16)
3177                                         {
3178                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
3179                                                 argc++;
3180                                         }
3181                                 }
3182                                 if (com_token[0] == 0)
3183                                         break; // if the loop exited and it's not a \n, it's EOF
3184                                 if (argc < 1)
3185                                         continue;
3186                                 if (!strcmp(argv[0], "effect"))
3187                                 {
3188                                         if (argc == 2)
3189                                         {
3190                                                 for (effectnameindex = 1;effectnameindex < MAX_PARTICLEEFFECTNAME;effectnameindex++)
3191                                                 {
3192                                                         if (sv.particleeffectname[effectnameindex][0])
3193                                                         {
3194                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
3195                                                                         break;
3196                                                         }
3197                                                         else
3198                                                         {
3199                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
3200                                                                 break;
3201                                                         }
3202                                                 }
3203                                                 // if we run out of names, abort
3204                                                 if (effectnameindex == MAX_PARTICLEEFFECTNAME)
3205                                                 {
3206                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
3207                                                         break;
3208                                                 }
3209                                         }
3210                                 }
3211                         }
3212                         Mem_Free(filedata);
3213                 }
3214         }
3215         // search for the name
3216         for (effectnameindex = 1;effectnameindex < MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
3217                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
3218                         return effectnameindex;
3219         // return 0 if we couldn't find it
3220         return 0;
3221 }
3222
3223 dp_model_t *SV_GetModelByIndex(int modelindex)
3224 {
3225         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3226 }
3227
3228 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
3229 {
3230         prvm_prog_t *prog = SVVM_prog;
3231         int modelindex;
3232         if (!ed || ed->priv.server->free)
3233                 return NULL;
3234         modelindex = (int)PRVM_serveredictfloat(ed, modelindex);
3235         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3236 }
3237
3238 /*
3239 ================
3240 SV_CreateBaseline
3241
3242 ================
3243 */
3244 static void SV_CreateBaseline (void)
3245 {
3246         prvm_prog_t *prog = SVVM_prog;
3247         int i, entnum, large;
3248         prvm_edict_t *svent;
3249
3250         // LadyHavoc: clear *all* baselines (not just active ones)
3251         for (entnum = 0;entnum < prog->max_edicts;entnum++)
3252         {
3253                 // get the current server version
3254                 svent = PRVM_EDICT_NUM(entnum);
3255
3256                 // LadyHavoc: always clear state values, whether the entity is in use or not
3257                 svent->priv.server->baseline = defaultstate;
3258
3259                 if (svent->priv.server->free)
3260                         continue;
3261                 if (entnum > svs.maxclients && !PRVM_serveredictfloat(svent, modelindex))
3262                         continue;
3263
3264                 // create entity baseline
3265                 VectorCopy (PRVM_serveredictvector(svent, origin), svent->priv.server->baseline.origin);
3266                 VectorCopy (PRVM_serveredictvector(svent, angles), svent->priv.server->baseline.angles);
3267                 svent->priv.server->baseline.frame = (int)PRVM_serveredictfloat(svent, frame);
3268                 svent->priv.server->baseline.skin = (int)PRVM_serveredictfloat(svent, skin);
3269                 if (entnum > 0 && entnum <= svs.maxclients)
3270                 {
3271                         svent->priv.server->baseline.colormap = entnum;
3272                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
3273                 }
3274                 else
3275                 {
3276                         svent->priv.server->baseline.colormap = 0;
3277                         svent->priv.server->baseline.modelindex = (int)PRVM_serveredictfloat(svent, modelindex);
3278                 }
3279
3280                 large = false;
3281                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
3282                 {
3283                         large = true;
3284                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3285                                 large = false;
3286                 }
3287
3288                 // add to the message
3289                 if (large)
3290                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
3291                 else
3292                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
3293                 MSG_WriteShort (&sv.signon, entnum);
3294
3295                 if (large)
3296                 {
3297                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3298                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
3299                 }
3300                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3301                 {
3302                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3303                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3304                 }
3305                 else
3306                 {
3307                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
3308                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3309                 }
3310                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
3311                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
3312                 for (i=0 ; i<3 ; i++)
3313                 {
3314                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
3315                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
3316                 }
3317         }
3318 }
3319
3320 /*
3321 ================
3322 SV_Prepare_CSQC
3323
3324 Load csprogs.dat and comperss it so it doesn't need to be
3325 reloaded on request.
3326 ================
3327 */
3328 static void SV_Prepare_CSQC(void)
3329 {
3330         fs_offset_t progsize;
3331
3332         if(svs.csqc_progdata)
3333         {
3334                 Con_DPrintf("Unloading old CSQC data.\n");
3335                 Mem_Free(svs.csqc_progdata);
3336                 if(svs.csqc_progdata_deflated)
3337                         Mem_Free(svs.csqc_progdata_deflated);
3338         }
3339
3340         svs.csqc_progdata = NULL;
3341         svs.csqc_progdata_deflated = NULL;
3342
3343         sv.csqc_progname[0] = 0;
3344         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
3345
3346         if(progsize > 0)
3347         {
3348                 size_t deflated_size;
3349
3350                 sv.csqc_progsize = (int)progsize;
3351                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
3352                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
3353                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
3354
3355                 Con_DPrint("Compressing csprogs.dat\n");
3356                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
3357                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
3358                 svs.csqc_progsize_deflated = (int)deflated_size;
3359                 if(svs.csqc_progdata_deflated)
3360                 {
3361                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
3362                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
3363                 }
3364                 else
3365                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
3366         }
3367 }
3368
3369 /*
3370 ================
3371 SV_SaveSpawnparms
3372
3373 Grabs the current state of each client for saving across the
3374 transition to another level
3375 ================
3376 */
3377 void SV_SaveSpawnparms (void)
3378 {
3379         prvm_prog_t *prog = SVVM_prog;
3380         int             i, j;
3381
3382         svs.serverflags = (int)PRVM_serverglobalfloat(serverflags);
3383
3384         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3385         {
3386                 if (!host_client->active)
3387                         continue;
3388
3389         // call the progs to get default spawn parms for the new client
3390                 PRVM_serverglobalfloat(time) = sv.time;
3391                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3392                 prog->ExecuteProgram(prog, PRVM_serverfunction(SetChangeParms), "QC function SetChangeParms is missing");
3393                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
3394                         host_client->spawn_parms[j] = (&PRVM_serverglobalfloat(parm1))[j];
3395         }
3396 }
3397
3398 /*
3399 ================
3400 SV_SpawnServer
3401
3402 This is called at the start of each level
3403 ================
3404 */
3405
3406 void SV_SpawnServer (const char *server)
3407 {
3408         prvm_prog_t *prog = SVVM_prog;
3409         prvm_edict_t *ent;
3410         int i;
3411         char *entities;
3412         dp_model_t *worldmodel;
3413         char modelname[sizeof(sv.worldname)];
3414         char vabuf[1024];
3415
3416         Con_DPrintf("SpawnServer: %s\n", server);
3417
3418         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
3419
3420         if (!FS_FileExists(modelname))
3421         {
3422                 dpsnprintf (modelname, sizeof(modelname), "maps/%s", server);
3423                 if (!FS_FileExists(modelname))
3424                 {
3425                         Con_Printf("SpawnServer: no map file named maps/%s.bsp\n", server);
3426                         return;
3427                 }
3428         }
3429
3430 //      SV_LockThreadMutex();
3431
3432         if(cls.state == ca_dedicated)
3433                 Sys_MakeProcessNice();
3434
3435         if (cls.state != ca_dedicated)
3436         {
3437                 SCR_BeginLoadingPlaque(false);
3438                 S_StopAllSounds();
3439         }
3440
3441         if(sv.active)
3442         {
3443                 World_End(&sv.world);
3444                 if(PRVM_serverfunction(SV_Shutdown))
3445                 {
3446                         func_t s = PRVM_serverfunction(SV_Shutdown);
3447                         PRVM_serverglobalfloat(time) = sv.time;
3448                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
3449                         prog->ExecuteProgram(prog, s,"SV_Shutdown() required");
3450                 }
3451         }
3452
3453         // free q3 shaders so that any newly downloaded shaders will be active
3454         Mod_FreeQ3Shaders();
3455
3456         worldmodel = Mod_ForName(modelname, false, developer.integer > 0, NULL);
3457         if (!worldmodel || !worldmodel->TraceBox)
3458         {
3459                 Con_Printf("Couldn't load map %s\n", modelname);
3460
3461                 if(cls.state == ca_dedicated)
3462                         Sys_MakeProcessMean();
3463
3464 //              SV_UnlockThreadMutex();
3465
3466                 return;
3467         }
3468
3469         Collision_Cache_Reset(true);
3470
3471         // let's not have any servers with no name
3472         if (hostname.string[0] == 0)
3473                 Cvar_SetQuick(&hostname, "UNNAMED");
3474         scr_centertime_off = 0;
3475
3476         svs.changelevel_issued = false;         // now safe to issue another
3477
3478         // make the map a required file for clients
3479         Curl_ClearRequirements();
3480         Curl_RequireFile(modelname);
3481
3482 //
3483 // tell all connected clients that we are going to a new level
3484 //
3485         if (sv.active)
3486         {
3487                 client_t *client;
3488                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3489                 {
3490                         if (client->netconnection)
3491                         {
3492                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3493                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3494                         }
3495                 }
3496         }
3497         else
3498         {
3499                 // open server port
3500                 NetConn_OpenServerPorts(true);
3501         }
3502
3503 //
3504 // make cvars consistant
3505 //
3506         if (coop.integer)
3507                 Cvar_SetValueQuick(&deathmatch, 0);
3508         // LadyHavoc: it can be useful to have skills outside the range 0-3...
3509         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3510         //Cvar_SetValue ("skill", (float)current_skill);
3511         current_skill = (int)(skill.value + 0.5);
3512
3513 //
3514 // set up the new server
3515 //
3516         memset (&sv, 0, sizeof(sv));
3517         // if running a local client, make sure it doesn't try to access the last
3518         // level's data which is no longer valiud
3519         cls.signon = 0;
3520
3521         Cvar_SetValueQuick(&halflifebsp, worldmodel->brush.ishlbsp);
3522         Cvar_SetValueQuick(&sv_mapformat_is_quake2, worldmodel->brush.isq2bsp);
3523         Cvar_SetValueQuick(&sv_mapformat_is_quake3, worldmodel->brush.isq3bsp);
3524
3525         if(*sv_random_seed.string)
3526         {
3527                 srand(sv_random_seed.integer);
3528                 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);
3529         }
3530
3531         SV_VM_Setup();
3532
3533         sv.active = true;
3534
3535         // set level base name variables for later use
3536         strlcpy (sv.name, server, sizeof (sv.name));
3537         strlcpy(sv.worldname, modelname, sizeof(sv.worldname));
3538         FS_StripExtension(sv.worldname, sv.worldnamenoextension, sizeof(sv.worldnamenoextension));
3539         strlcpy(sv.worldbasename, !strncmp(sv.worldnamenoextension, "maps/", 5) ? sv.worldnamenoextension + 5 : sv.worldnamenoextension, sizeof(sv.worldbasename));
3540         //Cvar_SetQuick(&sv_worldmessage, sv.worldmessage); // set later after QC is spawned
3541         Cvar_SetQuick(&sv_worldname, sv.worldname);
3542         Cvar_SetQuick(&sv_worldnamenoextension, sv.worldnamenoextension);
3543         Cvar_SetQuick(&sv_worldbasename, sv.worldbasename);
3544
3545         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3546         if (sv.protocol == PROTOCOL_UNKNOWN)
3547         {
3548                 char buffer[1024];
3549                 Protocol_Names(buffer, sizeof(buffer));
3550                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3551                 sv.protocol = PROTOCOL_QUAKE;
3552         }
3553
3554 // load progs to get entity field count
3555         //PR_LoadProgs ( sv_progs.string );
3556
3557         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3558         sv.datagram.cursize = 0;
3559         sv.datagram.data = sv.datagram_buf;
3560
3561         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3562         sv.reliable_datagram.cursize = 0;
3563         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3564
3565         sv.signon.maxsize = sizeof(sv.signon_buf);
3566         sv.signon.cursize = 0;
3567         sv.signon.data = sv.signon_buf;
3568
3569 // leave slots at start for clients only
3570         //prog->num_edicts = svs.maxclients+1;
3571
3572         sv.state = ss_loading;
3573         prog->allowworldwrites = true;
3574         sv.paused = false;
3575
3576         sv.time = 1.0;
3577
3578         Mod_ClearUsed();
3579         worldmodel->used = true;
3580
3581         sv.worldmodel = worldmodel;
3582         sv.models[1] = sv.worldmodel;
3583
3584 //
3585 // clear world interaction links
3586 //
3587         World_SetSize(&sv.world, sv.worldname, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs, prog);
3588         World_Start(&sv.world);
3589
3590         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3591
3592         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3593         strlcpy(sv.model_precache[1], sv.worldname, sizeof(sv.model_precache[1]));
3594         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3595         {
3596                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3597                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.worldname);
3598         }
3599         if(i < sv.worldmodel->brush.numsubmodels)
3600                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3601
3602 //
3603 // load the rest of the entities
3604 //
3605         // AK possible hack since num_edicts is still 0
3606         ent = PRVM_EDICT_NUM(0);
3607         memset (ent->fields.fp, 0, prog->entityfields * sizeof(prvm_vec_t));
3608         ent->priv.server->free = false;
3609         PRVM_serveredictstring(ent, model) = PRVM_SetEngineString(prog, sv.worldname);
3610         PRVM_serveredictfloat(ent, modelindex) = 1;             // world model
3611         PRVM_serveredictfloat(ent, solid) = SOLID_BSP;
3612         PRVM_serveredictfloat(ent, movetype) = MOVETYPE_PUSH;
3613         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, mins));
3614         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, maxs));
3615         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, absmin));
3616         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, absmax));
3617
3618         if (coop.value)
3619                 PRVM_serverglobalfloat(coop) = coop.integer;
3620         else
3621                 PRVM_serverglobalfloat(deathmatch) = deathmatch.integer;
3622
3623         PRVM_serverglobalstring(mapname) = PRVM_SetEngineString(prog, sv.name);
3624
3625 // serverflags are for cross level information (sigils)
3626         PRVM_serverglobalfloat(serverflags) = svs.serverflags;
3627
3628         // we need to reset the spawned flag on all connected clients here so that
3629         // their thinks don't run during startup (before PutClientInServer)
3630         // we also need to set up the client entities now
3631         // and we need to set the ->edict pointers to point into the progs edicts
3632         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3633         {
3634                 host_client->begun = false;
3635                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3636                 PRVM_ED_ClearEdict(prog, host_client->edict);
3637         }
3638
3639         // load replacement entity file if found
3640         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va(vabuf, sizeof(vabuf), "%s.ent", sv.worldnamenoextension), tempmempool, true, NULL)))
3641         {
3642                 Con_Printf("Loaded %s.ent\n", sv.worldnamenoextension);
3643                 PRVM_ED_LoadFromFile(prog, entities);
3644                 Mem_Free(entities);
3645         }
3646         else
3647                 PRVM_ED_LoadFromFile(prog, sv.worldmodel->brush.entities);
3648
3649
3650         // LadyHavoc: clear world angles (to fix e3m3.bsp)
3651         VectorClear(PRVM_serveredictvector(prog->edicts, angles));
3652
3653 // all setup is completed, any further precache statements are errors
3654 //      sv.state = ss_active; // LadyHavoc: workaround for svc_precache bug
3655         prog->allowworldwrites = false;
3656
3657 // run two frames to allow everything to settle
3658         sv.time = 1.0001;
3659         for (i = 0;i < sv_init_frame_count.integer;i++)
3660         {
3661                 sv.frametime = 0.1;
3662                 SV_Physics ();
3663         }
3664
3665         // Once all init frames have been run, we consider svqc code fully initialized.
3666         prog->inittime = host.realtime;
3667
3668         if (cls.state == ca_dedicated)
3669                 Mod_PurgeUnused();
3670
3671 // create a baseline for more efficient communications
3672         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)
3673                 SV_CreateBaseline ();
3674
3675         sv.state = ss_active; // LadyHavoc: workaround for svc_precache bug
3676
3677 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3678         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3679         {
3680                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3681                 if (!host_client->active)
3682                         continue;
3683                 if (host_client->netconnection)
3684                         SV_SendServerinfo(host_client);
3685                 else
3686                 {
3687                         int j;
3688                         // if client is a botclient coming from a level change, we need to
3689                         // set up client info that normally requires networking
3690
3691                         // copy spawn parms out of the client_t
3692                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3693                                 (&PRVM_serverglobalfloat(parm1))[j] = host_client->spawn_parms[j];
3694
3695                         // call the spawn function
3696                         host_client->clientconnectcalled = true;
3697                         PRVM_serverglobalfloat(time) = sv.time;
3698                         PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3699                         prog->ExecuteProgram(prog, PRVM_serverfunction(ClientConnect), "QC function ClientConnect is missing");
3700                         prog->ExecuteProgram(prog, PRVM_serverfunction(PutClientInServer), "QC function PutClientInServer is missing");
3701                         host_client->begun = true;
3702                 }
3703         }
3704
3705         // update the map title cvar
3706         strlcpy(sv.worldmessage, PRVM_GetString(prog, PRVM_serveredictstring(prog->edicts, message)), sizeof(sv.worldmessage)); // map title (not related to filename)
3707         Cvar_SetQuick(&sv_worldmessage, sv.worldmessage);
3708
3709         Con_DPrint("Server spawned.\n");
3710         NetConn_Heartbeat (2);
3711
3712         if(cls.state == ca_dedicated)
3713                 Sys_MakeProcessMean();
3714
3715 //      SV_UnlockThreadMutex();
3716 }
3717
3718 /*
3719 ==================
3720 SV_Shutdown
3721
3722 This only happens at the end of a game, not between levels
3723 ==================
3724 */
3725 void SV_Shutdown(void)
3726 {
3727         prvm_prog_t *prog = SVVM_prog;
3728         int i;
3729
3730         Con_DPrintf("SV_Shutdown\n");
3731
3732         if (!sv.active)
3733                 return;
3734
3735         NetConn_Heartbeat(2);
3736         NetConn_Heartbeat(2);
3737
3738 // make sure all the clients know we're disconnecting
3739         World_End(&sv.world);
3740         if(prog->loaded)
3741         {
3742                 if(PRVM_serverfunction(SV_Shutdown))
3743                 {
3744                         func_t s = PRVM_serverfunction(SV_Shutdown);
3745                         PRVM_serverglobalfloat(time) = sv.time;
3746                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
3747                         prog->ExecuteProgram(prog, s,"SV_Shutdown() required");
3748                 }
3749         }
3750         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3751                 if (host_client->active)
3752                         SV_DropClient(false); // server shutdown
3753
3754         NetConn_CloseServerPorts();
3755
3756         sv.active = false;
3757 //
3758 // clear structures
3759 //
3760         memset(&sv, 0, sizeof(sv));
3761         memset(svs.clients, 0, svs.maxclients*sizeof(client_t));
3762
3763         cl.islocalgame = false;
3764 }
3765
3766 /////////////////////////////////////////////////////
3767 // SV VM stuff
3768
3769 static void SVVM_begin_increase_edicts(prvm_prog_t *prog)
3770 {
3771         // links don't survive the transition, so unlink everything
3772         World_UnlinkAll(&sv.world);
3773 }
3774
3775 static void SVVM_end_increase_edicts(prvm_prog_t *prog)
3776 {
3777         int i;
3778         prvm_edict_t *ent;
3779
3780         // link every entity except world
3781         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
3782                 if (!ent->priv.server->free && !VectorCompare(PRVM_serveredictvector(ent, absmin), PRVM_serveredictvector(ent, absmax)))
3783                         SV_LinkEdict(ent);
3784 }
3785
3786 static void SVVM_init_edict(prvm_prog_t *prog, prvm_edict_t *e)
3787 {
3788         // LadyHavoc: for consistency set these here
3789         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3790
3791         e->priv.server->move = false; // don't move on first frame
3792
3793         if (num >= 0 && num < svs.maxclients)
3794         {
3795                 // set colormap and team on newly created player entity
3796                 PRVM_serveredictfloat(e, colormap) = num + 1;
3797                 PRVM_serveredictfloat(e, team) = (svs.clients[num].colors & 15) + 1;
3798                 // set netname/clientcolors back to client values so that
3799                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3800                 // reset them
3801                 PRVM_serveredictstring(e, netname) = PRVM_SetEngineString(prog, svs.clients[num].name);
3802                 PRVM_serveredictfloat(e, clientcolors) = svs.clients[num].colors;
3803                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3804                 PRVM_serveredictstring(e, playermodel) = PRVM_SetEngineString(prog, svs.clients[num].playermodel);
3805                 PRVM_serveredictstring(e, playerskin) = PRVM_SetEngineString(prog, svs.clients[num].playerskin);
3806                 // Assign netaddress (IP Address, etc)
3807                 if(svs.clients[num].netconnection != NULL)
3808                 {
3809                         // Acquire Readable Address
3810                         LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3811                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(prog, svs.clients[num].netaddress);
3812                 }
3813                 else
3814                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(prog, "null/botclient");
3815                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_idfp[0])
3816                         PRVM_serveredictstring(e, crypto_idfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.client_idfp);
3817                 else
3818                         PRVM_serveredictstring(e, crypto_idfp) = 0;
3819                 PRVM_serveredictfloat(e, crypto_idfp_signed) = (svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_issigned);
3820                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_keyfp[0])
3821                         PRVM_serveredictstring(e, crypto_keyfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.client_keyfp);
3822                 else
3823                         PRVM_serveredictstring(e, crypto_keyfp) = 0;
3824                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.server_keyfp[0])
3825                         PRVM_serveredictstring(e, crypto_mykeyfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.server_keyfp);
3826                 else
3827                         PRVM_serveredictstring(e, crypto_mykeyfp) = 0;
3828                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.use_aes)
3829                         PRVM_serveredictstring(e, crypto_encryptmethod) = PRVM_SetEngineString(prog, "AES128");
3830                 else
3831                         PRVM_serveredictstring(e, crypto_encryptmethod) = 0;
3832                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated)
3833                         PRVM_serveredictstring(e, crypto_signmethod) = PRVM_SetEngineString(prog, "HMAC-SHA256");
3834                 else
3835                         PRVM_serveredictstring(e, crypto_signmethod) = 0;
3836         }
3837 }
3838
3839 static void SVVM_free_edict(prvm_prog_t *prog, prvm_edict_t *ed)
3840 {
3841         int i;
3842         int e;
3843
3844         World_UnlinkEdict(ed);          // unlink from world bsp
3845
3846         PRVM_serveredictstring(ed, model) = 0;
3847         PRVM_serveredictfloat(ed, takedamage) = 0;
3848         PRVM_serveredictfloat(ed, modelindex) = 0;
3849         PRVM_serveredictfloat(ed, colormap) = 0;
3850         PRVM_serveredictfloat(ed, skin) = 0;
3851         PRVM_serveredictfloat(ed, frame) = 0;
3852         VectorClear(PRVM_serveredictvector(ed, origin));
3853         VectorClear(PRVM_serveredictvector(ed, angles));
3854         PRVM_serveredictfloat(ed, nextthink) = -1;
3855         PRVM_serveredictfloat(ed, solid) = 0;
3856
3857         VM_RemoveEdictSkeleton(prog, ed);
3858         World_Physics_RemoveFromEntity(&sv.world, ed);
3859         World_Physics_RemoveJointFromEntity(&sv.world, ed);
3860
3861         // make sure csqc networking is aware of the removed entity
3862         e = PRVM_NUM_FOR_EDICT(ed);
3863         sv.csqcentityversion[e] = 0;
3864         for (i = 0;i < svs.maxclients;i++)
3865                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3866 }
3867
3868 static void SVVM_count_edicts(prvm_prog_t *prog)
3869 {
3870         int             i;
3871         prvm_edict_t    *ent;
3872         int             active, models, solid, step;
3873
3874         active = models = solid = step = 0;
3875         for (i=0 ; i<prog->num_edicts ; i++)
3876         {
3877                 ent = PRVM_EDICT_NUM(i);
3878                 if (ent->priv.server->free)
3879                         continue;
3880                 active++;
3881                 if (PRVM_serveredictfloat(ent, solid))
3882                         solid++;
3883                 if (PRVM_serveredictstring(ent, model))
3884                         models++;
3885                 if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
3886                         step++;
3887         }
3888
3889         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3890         Con_Printf("active    :%3i\n", active);
3891         Con_Printf("view      :%3i\n", models);
3892         Con_Printf("touch     :%3i\n", solid);
3893         Con_Printf("step      :%3i\n", step);
3894 }
3895
3896 static qboolean SVVM_load_edict(prvm_prog_t *prog, prvm_edict_t *ent)
3897 {
3898         // remove things from different skill levels or deathmatch
3899         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3900         {
3901                 if (deathmatch.integer)
3902                 {
3903                         if (((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_DEATHMATCH))
3904                         {
3905                                 return false;
3906                         }
3907                 }
3908                 else if ((current_skill <= 0 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_EASY  ))
3909                         || (current_skill == 1 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_MEDIUM))
3910                         || (current_skill >= 2 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_HARD  )))
3911                 {
3912                         return false;
3913                 }
3914         }
3915         return true;
3916 }
3917
3918 static void SV_VM_Setup(void)
3919 {
3920         prvm_prog_t *prog = SVVM_prog;
3921         PRVM_Prog_Init(prog, &cmd_server);
3922
3923         // allocate the mempools
3924         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3925         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3926         prog->builtins = vm_sv_builtins;
3927         prog->numbuiltins = vm_sv_numbuiltins;
3928         prog->max_edicts = 512;
3929         if (sv.protocol == PROTOCOL_QUAKE)
3930                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3931         else if (sv.protocol == PROTOCOL_QUAKEDP)
3932                 prog->limit_edicts = 2048; // guessing
3933         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3934                 prog->limit_edicts = 2048; // guessing!
3935         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3936                 prog->limit_edicts = 4096; // guessing!
3937         else
3938                 prog->limit_edicts = MAX_EDICTS;
3939         prog->reserved_edicts = svs.maxclients;
3940         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3941         prog->name = "server";
3942         prog->extensionstring = vm_sv_extensions;
3943         prog->loadintoworld = true;
3944
3945         // all callbacks must be defined (pointers are not checked before calling)
3946         prog->begin_increase_edicts = SVVM_begin_increase_edicts;
3947         prog->end_increase_edicts   = SVVM_end_increase_edicts;
3948         prog->init_edict            = SVVM_init_edict;
3949         prog->free_edict            = SVVM_free_edict;
3950         prog->count_edicts          = SVVM_count_edicts;
3951         prog->load_edict            = SVVM_load_edict;
3952         prog->init_cmd              = SVVM_init_cmd;
3953         prog->reset_cmd             = SVVM_reset_cmd;
3954         prog->error_cmd             = Host_Error;
3955         prog->ExecuteProgram        = SVVM_ExecuteProgram;
3956
3957         PRVM_Prog_Load(prog, sv_progs.string, NULL, 0, SV_REQFUNCS, sv_reqfuncs, SV_REQFIELDS, sv_reqfields, SV_REQGLOBALS, sv_reqglobals);
3958
3959         // some mods compiled with scrambling compilers lack certain critical
3960         // global names and field names such as "self" and "time" and "nextthink"
3961         // so we have to set these offsets manually, matching the entvars_t
3962         // but we only do this if the prog header crc matches, otherwise it's totally freeform
3963         if (prog->progs_crc == PROGHEADER_CRC || prog->progs_crc == PROGHEADER_CRC_TENEBRAE)
3964         {
3965                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, modelindex);
3966                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmin);
3967                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmax);
3968                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ltime);
3969                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movetype);
3970                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, solid);
3971                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, origin);
3972                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, oldorigin);
3973                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, velocity);
3974                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3975                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, avelocity);
3976                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, punchangle);
3977                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3978                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, model);
3979                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3980                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, skin);
3981                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, effects);
3982                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, mins);
3983                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, maxs);
3984                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, size);
3985                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, touch);
3986                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, use);
3987                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3988                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, blocked);
3989                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3990                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3991                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, health);
3992                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frags);
3993                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weapon);
3994                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponmodel);
3995                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponframe);
3996                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, currentammo);
3997                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_shells);
3998                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_nails);
3999                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_rockets);
4000                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_cells);
4001                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, items);
4002                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, takedamage);
4003                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
4004                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, deadflag);
4005                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, view_ofs);
4006                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button0);
4007                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button1);
4008                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button2);
4009                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, impulse);
4010                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, fixangle);
4011                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, v_angle);
4012                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, idealpitch);
4013                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, netname);
4014                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, enemy);
4015                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, flags);
4016                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, colormap);
4017                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, team);
4018                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, max_health);
4019                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, teleport_time);
4020                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armortype);
4021                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armorvalue);
4022                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, waterlevel);
4023                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, watertype);
4024                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
4025                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
4026                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, aiment);
4027                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, goalentity);
4028                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, spawnflags);
4029                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, target);
4030                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, targetname);
4031                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_take);
4032                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_save);
4033                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_inflictor);
4034                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, owner);
4035                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movedir);
4036                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, message);
4037                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, sounds);
4038                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise);
4039                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise1);
4040                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise2);
4041                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise3);
4042                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
4043                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, other);
4044                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, world);
4045                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
4046                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, frametime);
4047                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, force_retouch);
4048                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, mapname);
4049                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, deathmatch);
4050                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, coop);
4051                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, teamplay);
4052                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, serverflags);
4053                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_secrets);
4054                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_monsters);
4055                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, found_secrets);
4056                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, killed_monsters);
4057                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm1);
4058                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm2);
4059                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm3);
4060                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm4);
4061                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm5);
4062                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm6);
4063                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm7);
4064                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm8);
4065                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm9);
4066                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm10);
4067                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm11);
4068                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm12);
4069                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm13);
4070                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm14);
4071                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm15);
4072                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm16);
4073                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
4074                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
4075                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
4076                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
4077                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
4078                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
4079                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
4080                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
4081                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
4082                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
4083                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
4084                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
4085                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, msg_entity);
4086 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, main);
4087 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, StartFrame);
4088 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPreThink);
4089 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPostThink);
4090 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientKill);
4091 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientConnect);
4092 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PutClientInServer);
4093 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientDisconnect);
4094 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetNewParms);
4095 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetChangeParms);
4096         }
4097         else
4098                 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);
4099
4100         // OP_STATE is always supported on server because we add fields/globals for it
4101         prog->flag |= PRVM_OP_STATE;
4102
4103         VM_CustomStats_Clear();//[515]: csqc
4104
4105         SV_Prepare_CSQC();
4106 }
4107
4108 extern cvar_t host_maxwait;
4109 extern cvar_t host_framerate;
4110 static int SV_ThreadFunc(void *voiddata)
4111 {
4112         prvm_prog_t *prog = SVVM_prog;
4113         qboolean playing = false;
4114         double sv_timer = 0;
4115         double sv_deltarealtime, sv_oldrealtime, sv_realtime;
4116         double wait;
4117         int i;
4118         char vabuf[1024];
4119         sv_realtime = Sys_DirtyTime();
4120         while (!svs.threadstop)
4121         {
4122                 // FIXME: we need to handle Host_Error in the server thread somehow
4123 //              if (setjmp(sv_abortframe))
4124 //                      continue;                       // something bad happened in the server game
4125
4126                 sv_oldrealtime = sv_realtime;
4127                 sv_realtime = Sys_DirtyTime();
4128                 sv_deltarealtime = sv_realtime - sv_oldrealtime;
4129                 if (sv_deltarealtime < 0 || sv_deltarealtime >= 1800) sv_deltarealtime = 0;
4130
4131                 sv_timer += sv_deltarealtime;
4132
4133                 svs.perf_acc_realtime += sv_deltarealtime;
4134
4135                 // 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)
4136                 SV_LockThreadMutex();
4137
4138                 // Look for clients who have spawned
4139                 playing = false;
4140                 if (sv.active)
4141                         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
4142                                 if(host_client->begun)
4143                                         if(host_client->netconnection)
4144                                                 playing = true;
4145                 if(sv.time < 10)
4146                 {
4147                         // don't accumulate time for the first 10 seconds of a match
4148                         // so things can settle
4149                         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;
4150                 }
4151                 else if(svs.perf_acc_realtime > 5)
4152                 {
4153                         svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
4154                         svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
4155                         if(svs.perf_acc_offset_samples > 0)
4156                         {
4157                                 svs.perf_offset_max = svs.perf_acc_offset_max;
4158                                 svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
4159                                 svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
4160                         }
4161                         if(svs.perf_lost > 0 && developer_extra.integer)
4162                                 if(playing)
4163                                         Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport(vabuf, sizeof(vabuf)));
4164                         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;
4165                 }
4166
4167                 // get new packets
4168                 if (sv.active)
4169                         NetConn_ServerFrame();
4170
4171                 // if the accumulators haven't become positive yet, wait a while
4172                 wait = sv_timer * -1000000.0;
4173                 if (wait >= 1)
4174                 {
4175                         double time0, delta;
4176                         SV_UnlockThreadMutex(); // don't keep mutex locked while sleeping
4177                         if (host_maxwait.value <= 0)
4178                                 wait = min(wait, 1000000.0);
4179                         else
4180                                 wait = min(wait, host_maxwait.value * 1000.0);
4181                         if(wait < 1)
4182                                 wait = 1; // because we cast to int
4183                         time0 = Sys_DirtyTime();
4184                         Sys_Sleep((int)wait);
4185                         delta = Sys_DirtyTime() - time0;if (delta < 0 || delta >= 1800) delta = 0;
4186                         svs.perf_acc_sleeptime += delta;
4187                         continue;
4188                 }
4189
4190                 if (sv.active && sv_timer > 0)
4191                 {
4192                         // execute one server frame
4193                         double advancetime;
4194                         float offset;
4195
4196                         if (sys_ticrate.value <= 0)
4197                                 advancetime = min(sv_timer, 0.1); // don't step more than 100ms
4198                         else
4199                                 advancetime = sys_ticrate.value;
4200
4201                         if(advancetime > 0)
4202                         {
4203                                 offset = sv_timer + (Sys_DirtyTime() - sv_realtime); // LadyHavoc: FIXME: I don't understand this line
4204                                 ++svs.perf_acc_offset_samples;
4205                                 svs.perf_acc_offset += offset;
4206                                 svs.perf_acc_offset_squared += offset * offset;
4207                                 if(svs.perf_acc_offset_max < offset)
4208                                         svs.perf_acc_offset_max = offset;
4209                         }
4210
4211                         // only advance time if not paused
4212                         // the game also pauses in singleplayer when menu or console is used
4213                         sv.frametime = advancetime * host_timescale.value;
4214                         if (host_framerate.value)
4215                                 sv.frametime = host_framerate.value;
4216                         if (sv.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
4217                                 sv.frametime = 0;
4218
4219                         sv_timer -= advancetime;
4220
4221                         // move things around and think unless paused
4222                         if (sv.frametime)
4223                                 SV_Physics();
4224
4225                         // send all messages to the clients
4226                         SV_SendClientMessages();
4227
4228                         if (sv.paused == 1 && sv_realtime > sv.pausedstart && sv.pausedstart > 0)
4229                         {
4230                                 PRVM_serverglobalfloat(time) = sv.time;
4231                                 prog->globals.fp[OFS_PARM0] = sv_realtime - sv.pausedstart;
4232                                 prog->ExecuteProgram(prog, PRVM_serverfunction(SV_PausedTic), "QC function SV_PausedTic is missing");
4233                         }
4234
4235                         // send an heartbeat if enough time has passed since the last one
4236                         NetConn_Heartbeat(0);
4237
4238                 }
4239
4240                 // we're back to safe code now
4241                 SV_UnlockThreadMutex();
4242
4243                 // if there is some time remaining from this frame, reset the timers
4244                 if (sv_timer >= 0)
4245                 {
4246                         svs.perf_acc_lost += sv_timer;
4247                         sv_timer = 0;
4248                 }
4249         }
4250         return 0;
4251 }
4252
4253 void SV_StartThread(void)
4254 {
4255         if (!sv_threaded.integer || !Thread_HasThreads())
4256                 return;
4257         svs.threaded = true;
4258         svs.threadstop = false;
4259         svs.threadmutex = Thread_CreateMutex();
4260         svs.thread = Thread_CreateThread(SV_ThreadFunc, NULL);
4261 }
4262
4263 void SV_StopThread(void)
4264 {
4265         if (!svs.threaded)
4266                 return;
4267         svs.threadstop = true;
4268         Thread_WaitThread(svs.thread, 0);
4269         Thread_DestroyMutex(svs.threadmutex);
4270         svs.threaded = false;
4271 }