sv_main.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // sv_main.c -- server main program
  21
  22 #include "quakedef.h"
  23 #include "sv_demo.h"
  24 #include "libcurl.h"
  25 #include "csprogs.h"
  26 #include "thread.h"
  27
  28 // current client
  29 client_t *host_client;
  30
  31 static void SV_SaveEntFile_f(cmd_state_t *cmd);
  32 static void SV_StartDownload_f(cmd_state_t *cmd);
  33 static void SV_Download_f(cmd_state_t *cmd);
  34 static void SV_VM_Setup(void);
  35 extern cvar_t net_connecttimeout;
  36
  37 cvar_t sv_worldmessage = {CVAR_SERVER | CVAR_READONLY, "sv_worldmessage", "", "title of current level"};
  38 cvar_t sv_worldname = {CVAR_SERVER | CVAR_READONLY, "sv_worldname", "", "name of current worldmodel"};
  39 cvar_t sv_worldnamenoextension = {CVAR_SERVER | CVAR_READONLY, "sv_worldnamenoextension", "", "name of current worldmodel without extension"};
  40 cvar_t sv_worldbasename = {CVAR_SERVER | CVAR_READONLY, "sv_worldbasename", "", "name of current worldmodel without maps/ prefix or extension"};
  41
  42 cvar_t sv_disablenotify = {CVAR_SERVER, "sv_disablenotify", "0", "suppress broadcast prints when certain cvars are changed (CVAR_NOTIFY flag in engine code)"};
  43 cvar_t coop = {CVAR_SERVER, "coop","0", "coop mode, 0 = no coop, 1 = coop mode, multiple players playing through the singleplayer game (coop mode also shuts off deathmatch)"};
  44 cvar_t deathmatch = {CVAR_SERVER, "deathmatch","0", "deathmatch mode, values depend on mod but typically 0 = no deathmatch, 1 = normal deathmatch with respawning weapons, 2 = weapons stay (players can only pick up new weapons)"};
  45 cvar_t fraglimit = {CVAR_SERVER | CVAR_NOTIFY, "fraglimit","0", "ends level if this many frags is reached by any player"};
  46 cvar_t gamecfg = {CVAR_SERVER, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
  47 cvar_t noexit = {CVAR_SERVER | CVAR_NOTIFY, "noexit","0", "kills anyone attempting to use an exit"};
  48 cvar_t nomonsters = {CVAR_SERVER, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
  49 cvar_t pausable = {CVAR_SERVER, "pausable","1", "allow players to pause or not (otherwise, only the server admin can)"};
  50 cvar_t pr_checkextension = {CVAR_SERVER | CVAR_READONLY, "pr_checkextension", "1", "indicates to QuakeC that the standard quakec extensions system is available (if 0, quakec should not attempt to use extensions)"};
  51 cvar_t samelevel = {CVAR_SERVER | CVAR_NOTIFY, "samelevel","0", "repeats same level if level ends (due to timelimit or someone hitting an exit)"};
  52 cvar_t skill = {CVAR_SERVER, "skill","1", "difficulty level of game, affects monster layouts in levels, 0 = easy, 1 = normal, 2 = hard, 3 = nightmare (same layout as hard but monsters fire twice)"};
  53 cvar_t host_timescale = {CVAR_CLIENT | CVAR_SERVER, "host_timescale", "1.0", "controls game speed, 0.5 is half speed, 2 is double speed"};
  54
  55 cvar_t sv_accelerate = {CVAR_SERVER, "sv_accelerate", "10", "rate at which a player accelerates to sv_maxspeed"};
  56 cvar_t sv_aim = {CVAR_SERVER | CVAR_SAVE, "sv_aim", "2", "maximum cosine angle for quake's vertical autoaim, a value above 1 completely disables the autoaim, quake used 0.93"};
  57 cvar_t sv_airaccel_qw = {CVAR_SERVER, "sv_airaccel_qw", "1", "ratio of QW-style air control as opposed to simple acceleration; when < 0, the speed is clamped against the maximum allowed forward speed after the move"};
  58 cvar_t sv_airaccel_qw_stretchfactor = {CVAR_SERVER, "sv_airaccel_qw_stretchfactor", "0", "when set, the maximum acceleration increase the player may get compared to forward-acceleration when strafejumping"};
  59 cvar_t sv_airaccel_sideways_friction = {CVAR_SERVER, "sv_airaccel_sideways_friction", "", "anti-sideways movement stabilization (reduces speed gain when zigzagging); when < 0, only so much friction is applied that braking (by accelerating backwards) cannot be stronger"};
  60 cvar_t sv_airaccelerate = {CVAR_SERVER, "sv_airaccelerate", "-1", "rate at which a player accelerates to sv_maxairspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
  61 cvar_t sv_airstopaccelerate = {CVAR_SERVER, "sv_airstopaccelerate", "0", "when set, replacement for sv_airaccelerate when moving backwards"};
  62 cvar_t sv_airspeedlimit_nonqw = {CVAR_SERVER, "sv_airspeedlimit_nonqw", "0", "when set, this is a soft speed limit while in air when using airaccel_qw not equal to 1"};
  63 cvar_t sv_airstrafeaccelerate = {CVAR_SERVER, "sv_airstrafeaccelerate", "0", "when set, replacement for sv_airaccelerate when just strafing"};
  64 cvar_t sv_maxairstrafespeed = {CVAR_SERVER, "sv_maxairstrafespeed", "0", "when set, replacement for sv_maxairspeed when just strafing"};
  65 cvar_t sv_airstrafeaccel_qw = {CVAR_SERVER, "sv_airstrafeaccel_qw", "0", "when set, replacement for sv_airaccel_qw when just strafing"};
  66 cvar_t sv_aircontrol = {CVAR_SERVER, "sv_aircontrol", "0", "CPMA-style air control"};
  67 cvar_t sv_aircontrol_power = {CVAR_SERVER, "sv_aircontrol_power", "2", "CPMA-style air control exponent"};
  68 cvar_t sv_aircontrol_penalty = {CVAR_SERVER, "sv_aircontrol_penalty", "0", "deceleration while using CPMA-style air control"};
  69 cvar_t sv_allowdownloads = {CVAR_SERVER, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
  70 cvar_t sv_allowdownloads_archive = {CVAR_SERVER, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
  71 cvar_t sv_allowdownloads_config = {CVAR_SERVER, "sv_allowdownloads_config", "0", "whether to allow downloads of config files (cfg)"};
  72 cvar_t sv_allowdownloads_dlcache = {CVAR_SERVER, "sv_allowdownloads_dlcache", "0", "whether to allow downloads of dlcache files (dlcache/)"};
  73 cvar_t sv_allowdownloads_inarchive = {CVAR_SERVER, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
  74 cvar_t sv_areagrid_mingridsize = {CVAR_SERVER | CVAR_NOTIFY, "sv_areagrid_mingridsize", "128", "minimum areagrid cell size, smaller values work better for lots of small objects, higher values for large objects"};
  75 cvar_t sv_checkforpacketsduringsleep = {CVAR_SERVER, "sv_checkforpacketsduringsleep", "0", "uses select() function to wait between frames which can be interrupted by packets being received, instead of Sleep()/usleep()/SDL_Sleep() functions which do not check for packets"};
  76 cvar_t sv_clmovement_enable = {CVAR_SERVER, "sv_clmovement_enable", "1", "whether to allow clients to use cl_movement prediction, which can cause choppy movement on the server which may annoy other players"};
  77 cvar_t sv_clmovement_minping = {CVAR_SERVER, "sv_clmovement_minping", "0", "if client ping is below this time in milliseconds, then their ability to use cl_movement prediction is disabled for a while (as they don't need it)"};
  78 cvar_t sv_clmovement_minping_disabletime = {CVAR_SERVER, "sv_clmovement_minping_disabletime", "1000", "when client falls below minping, disable their prediction for this many milliseconds (should be at least 1000 or else their prediction may turn on/off frequently)"};
  79 cvar_t sv_clmovement_inputtimeout = {CVAR_SERVER, "sv_clmovement_inputtimeout", "0.2", "when a client does not send input for this many seconds, force them to move anyway (unlike QuakeWorld)"};
  80 cvar_t sv_cullentities_nevercullbmodels = {CVAR_SERVER, "sv_cullentities_nevercullbmodels", "0", "if enabled the clients are always notified of moving doors and lifts and other submodels of world (warning: eats a lot of network bandwidth on some levels!)"};
  81 cvar_t sv_cullentities_pvs = {CVAR_SERVER, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"};
  82 cvar_t sv_cullentities_stats = {CVAR_SERVER, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
  83 cvar_t sv_cullentities_trace = {CVAR_SERVER, "sv_cullentities_trace", "0", "somewhat slow but very tight culling of hidden entities, minimizes network traffic and makes wallhack cheats useless"};
  84 cvar_t sv_cullentities_trace_delay = {CVAR_SERVER, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
  85 cvar_t sv_cullentities_trace_delay_players = {CVAR_SERVER, "sv_cullentities_trace_delay_players", "0.2", "number of seconds until the entity gets actually culled if it is a player entity"};
  86 cvar_t sv_cullentities_trace_enlarge = {CVAR_SERVER, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
  87 cvar_t sv_cullentities_trace_expand = {CVAR_SERVER, "sv_cullentities_trace_expand", "0", "box is expanded by this many units for entity culling"};
  88 cvar_t sv_cullentities_trace_eyejitter = {CVAR_SERVER, "sv_cullentities_trace_eyejitter", "16", "jitter the eye by this much for each trace"};
  89 cvar_t sv_cullentities_trace_prediction = {CVAR_SERVER, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
  90 cvar_t sv_cullentities_trace_prediction_time = {CVAR_SERVER, "sv_cullentities_trace_prediction_time", "0.2", "how many seconds of prediction to use"};
  91 cvar_t sv_cullentities_trace_entityocclusion = {CVAR_SERVER, "sv_cullentities_trace_entityocclusion", "0", "also check if doors and other bsp models are in the way"};
  92 cvar_t sv_cullentities_trace_samples = {CVAR_SERVER, "sv_cullentities_trace_samples", "2", "number of samples to test for entity culling"};
  93 cvar_t sv_cullentities_trace_samples_extra = {CVAR_SERVER, "sv_cullentities_trace_samples_extra", "2", "number of samples to test for entity culling when the entity affects its surroundings by e.g. dlight"};
  94 cvar_t sv_cullentities_trace_samples_players = {CVAR_SERVER, "sv_cullentities_trace_samples_players", "8", "number of samples to test for entity culling when the entity is a player entity"};
  95 cvar_t sv_debugmove = {CVAR_SERVER | CVAR_NOTIFY, "sv_debugmove", "0", "disables collision detection optimizations for debugging purposes"};
  96 cvar_t sv_echobprint = {CVAR_SERVER | CVAR_SAVE, "sv_echobprint", "1", "prints gamecode bprint() calls to server console"};
  97 cvar_t sv_edgefriction = {CVAR_SERVER, "edgefriction", "1", "how much you slow down when nearing a ledge you might fall off, multiplier of sv_friction (Quake used 2, QuakeWorld used 1 due to a bug in physics code)"};
  98 cvar_t sv_entpatch = {CVAR_SERVER, "sv_entpatch", "1", "enables loading of .ent files to override entities in the bsp (for example Threewave CTF server pack contains .ent patch files enabling play of CTF on id1 maps)"};
  99 cvar_t sv_fixedframeratesingleplayer = {CVAR_SERVER, "sv_fixedframeratesingleplayer", "1", "allows you to use server-style timing system in singleplayer (don't run faster than sys_ticrate)"};
 100 cvar_t sv_freezenonclients = {CVAR_SERVER | CVAR_NOTIFY, "sv_freezenonclients", "0", "freezes time, except for players, allowing you to walk around and take screenshots of explosions"};
 101 cvar_t sv_friction = {CVAR_SERVER | CVAR_NOTIFY, "sv_friction","4", "how fast you slow down"};
 102 cvar_t sv_gameplayfix_blowupfallenzombies = {CVAR_SERVER, "sv_gameplayfix_blowupfallenzombies", "1", "causes findradius to detect SOLID_NOT entities such as zombies and corpses on the floor, allowing splash damage to apply to them"};
 103 cvar_t sv_gameplayfix_consistentplayerprethink = {CVAR_SERVER, "sv_gameplayfix_consistentplayerprethink", "0", "improves fairness in multiplayer by running all PlayerPreThink functions (which fire weapons) before performing physics, then running all PlayerPostThink functions"};
 104 cvar_t sv_gameplayfix_delayprojectiles = {CVAR_SERVER, "sv_gameplayfix_delayprojectiles", "1", "causes entities to not move on the same frame they are spawned, meaning that projectiles wait until the next frame to perform their first move, giving proper interpolation and rocket trails, but making weapons harder to use at low framerates"};
 105 cvar_t sv_gameplayfix_droptofloorstartsolid = {CVAR_SERVER, "sv_gameplayfix_droptofloorstartsolid", "1", "prevents items and monsters that start in a solid area from falling out of the level (makes droptofloor treat trace_startsolid as an acceptable outcome)"};
 106 cvar_t sv_gameplayfix_droptofloorstartsolid_nudgetocorrect = {CVAR_SERVER, "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect", "1", "tries to nudge stuck items and monsters out of walls before droptofloor is performed"};
 107 cvar_t sv_gameplayfix_easierwaterjump = {CVAR_SERVER, "sv_gameplayfix_easierwaterjump", "1", "changes water jumping to make it easier to get out of water (exactly like in QuakeWorld)"};
 108 cvar_t sv_gameplayfix_findradiusdistancetobox = {CVAR_SERVER, "sv_gameplayfix_findradiusdistancetobox", "1", "causes findradius to check the distance to the corner of a box rather than the center of the box, makes findradius detect bmodels such as very large doors that would otherwise be unaffected by splash damage"};
 109 cvar_t sv_gameplayfix_gravityunaffectedbyticrate = {CVAR_SERVER, "sv_gameplayfix_gravityunaffectedbyticrate", "0", "fix some ticrate issues in physics."};
 110 cvar_t sv_gameplayfix_grenadebouncedownslopes = {CVAR_SERVER, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
 111 cvar_t sv_gameplayfix_multiplethinksperframe = {CVAR_SERVER, "sv_gameplayfix_multiplethinksperframe", "1", "allows entities to think more often than the server framerate, primarily useful for very high fire rate weapons"};
 112 cvar_t sv_gameplayfix_noairborncorpse = {CVAR_SERVER, "sv_gameplayfix_noairborncorpse", "1", "causes entities (corpses, items, etc) sitting ontop of moving entities (players) to fall when the moving entity (player) is no longer supporting them"};
 113 cvar_t sv_gameplayfix_noairborncorpse_allowsuspendeditems = {CVAR_SERVER, "sv_gameplayfix_noairborncorpse_allowsuspendeditems", "1", "causes entities sitting ontop of objects that are instantaneously remove to float in midair (special hack to allow a common level design trick for floating items)"};
 114 cvar_t sv_gameplayfix_nudgeoutofsolid = {CVAR_SERVER, "sv_gameplayfix_nudgeoutofsolid", "0", "attempts to fix physics errors (where an object ended up in solid for some reason)"};
 115 cvar_t sv_gameplayfix_nudgeoutofsolid_separation = {CVAR_SERVER, "sv_gameplayfix_nudgeoutofsolid_separation", "0.03125", "keep objects this distance apart to prevent collision issues on seams"};
 116 cvar_t sv_gameplayfix_q2airaccelerate = {CVAR_SERVER, "sv_gameplayfix_q2airaccelerate", "0", "Quake2-style air acceleration"};
 117 cvar_t sv_gameplayfix_nogravityonground = {CVAR_SERVER, "sv_gameplayfix_nogravityonground", "0", "turn off gravity when on ground (to get rid of sliding)"};
 118 cvar_t sv_gameplayfix_setmodelrealbox = {CVAR_SERVER, "sv_gameplayfix_setmodelrealbox", "1", "fixes a bug in Quake that made setmodel always set the entity box to ('-16 -16 -16', '16 16 16') rather than properly checking the model box, breaks some poorly coded mods"};
 119 cvar_t sv_gameplayfix_slidemoveprojectiles = {CVAR_SERVER, "sv_gameplayfix_slidemoveprojectiles", "1", "allows MOVETYPE_FLY/FLYMISSILE/TOSS/BOUNCE/BOUNCEMISSILE entities to finish their move in a frame even if they hit something, fixes 'gravity accumulation' bug for grenades on steep slopes"};
 120 cvar_t sv_gameplayfix_stepdown = {CVAR_SERVER, "sv_gameplayfix_stepdown", "0", "attempts to step down stairs, not just up them (prevents the familiar thud..thud..thud.. when running down stairs and slopes)"};
 121 cvar_t sv_gameplayfix_stepmultipletimes = {CVAR_SERVER, "sv_gameplayfix_stepmultipletimes", "0", "applies step-up onto a ledge more than once in a single frame, when running quickly up stairs"};
 122 cvar_t sv_gameplayfix_nostepmoveonsteepslopes = {CVAR_SERVER, "sv_gameplayfix_nostepmoveonsteepslopes", "0", "crude fix which prevents MOVETYPE_STEP (not swimming or flying) to move on slopes whose angle is bigger than 45 degree"};
 123 cvar_t sv_gameplayfix_swiminbmodels = {CVAR_SERVER, "sv_gameplayfix_swiminbmodels", "1", "causes pointcontents (used to determine if you are in a liquid) to check bmodel entities as well as the world model, so you can swim around in (possibly moving) water bmodel entities"};
 124 cvar_t sv_gameplayfix_upwardvelocityclearsongroundflag = {CVAR_SERVER, "sv_gameplayfix_upwardvelocityclearsongroundflag", "1", "prevents monsters, items, and most other objects from being stuck to the floor when pushed around by damage, and other situations in mods"};
 125 cvar_t sv_gameplayfix_downtracesupportsongroundflag = {CVAR_SERVER, "sv_gameplayfix_downtracesupportsongroundflag", "1", "prevents very short moves from clearing onground (which may make the player stick to the floor at high netfps)"};
 126 cvar_t sv_gameplayfix_q1bsptracelinereportstexture = {CVAR_SERVER, "sv_gameplayfix_q1bsptracelinereportstexture", "1", "enables mods to get accurate trace_texture results on q1bsp by using a surface-hitting traceline implementation rather than the standard solidbsp method, q3bsp always reports texture accurately"};
 127 cvar_t sv_gameplayfix_unstickplayers = {CVAR_SERVER, "sv_gameplayfix_unstickplayers", "1", "big hack to try and fix the rare case of MOVETYPE_WALK entities getting stuck in the world clipping hull."};
 128 cvar_t sv_gameplayfix_unstickentities = {CVAR_SERVER, "sv_gameplayfix_unstickentities", "1", "hack to check if entities are crossing world collision hull and try to move them to the right position"};
 129 cvar_t sv_gameplayfix_fixedcheckwatertransition = {CVAR_SERVER, "sv_gameplayfix_fixedcheckwatertransition", "1", "fix two very stupid bugs in SV_CheckWaterTransition when watertype is CONTENTS_EMPTY (the bugs causes waterlevel to be 1 on first frame, -1 on second frame - the fix makes it 0 on both frames)"};
 130 cvar_t sv_gameplayfix_customstats = {CVAR_SERVER, "sv_gameplayfix_customstats", "0", "Disable stats higher than 220, for use by certain games such as Xonotic"};
 131 cvar_t sv_gravity = {CVAR_SERVER | CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
 132 cvar_t sv_init_frame_count = {CVAR_SERVER, "sv_init_frame_count", "2", "number of frames to run to allow everything to settle before letting clients connect"};
 133 cvar_t sv_idealpitchscale = {CVAR_SERVER, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
 134 cvar_t sv_jumpstep = {CVAR_SERVER | CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping"};
 135 cvar_t sv_jumpvelocity = {CVAR_SERVER, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
 136 cvar_t sv_maxairspeed = {CVAR_SERVER, "sv_maxairspeed", "30", "maximum speed a player can accelerate to when airborn (note that it is possible to completely stop by moving the opposite direction)"};
 137 cvar_t sv_maxrate = {CVAR_SERVER | CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
 138 cvar_t sv_maxspeed = {CVAR_SERVER | CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
 139 cvar_t sv_maxvelocity = {CVAR_SERVER | CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
 140 cvar_t sv_nostep = {CVAR_SERVER | CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
 141 cvar_t sv_playerphysicsqc = {CVAR_SERVER | CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
 142 cvar_t sv_progs = {CVAR_SERVER, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
 143 cvar_t sv_protocolname = {CVAR_SERVER, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
 144 cvar_t sv_random_seed = {CVAR_SERVER, "sv_random_seed", "", "random seed; when set, on every map start this random seed is used to initialize the random number generator. Don't touch it unless for benchmarking or debugging"};
 145 cvar_t sv_ratelimitlocalplayer = {CVAR_SERVER, "sv_ratelimitlocalplayer", "0", "whether to apply rate limiting to the local player in a listen server (only useful for testing)"};
 146 cvar_t sv_sound_land = {CVAR_SERVER, "sv_sound_land", "demon/dland2.wav", "sound to play when MOVETYPE_STEP entity hits the ground at high speed (empty cvar disables the sound)"};
 147 cvar_t sv_sound_watersplash = {CVAR_SERVER, "sv_sound_watersplash", "misc/h2ohit1.wav", "sound to play when MOVETYPE_FLY/TOSS/BOUNCE/STEP entity enters or leaves water (empty cvar disables the sound)"};
 148 cvar_t sv_stepheight = {CVAR_SERVER | CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
 149 cvar_t sv_stopspeed = {CVAR_SERVER | CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
 150 cvar_t sv_wallfriction = {CVAR_SERVER | CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
 151 cvar_t sv_wateraccelerate = {CVAR_SERVER, "sv_wateraccelerate", "-1", "rate at which a player accelerates to sv_maxspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
 152 cvar_t sv_waterfriction = {CVAR_SERVER | CVAR_NOTIFY, "sv_waterfriction","-1", "how fast you slow down, if less than 0 the sv_friction variable is used instead"};
 153 cvar_t sv_warsowbunny_airforwardaccel = {CVAR_SERVER, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
 154 cvar_t sv_warsowbunny_accel = {CVAR_SERVER, "sv_warsowbunny_accel", "0.1585", "how fast you accelerate until after reaching sv_maxspeed (it gets harder as you near sv_warsowbunny_topspeed)"};
 155 cvar_t sv_warsowbunny_topspeed = {CVAR_SERVER, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
 156 cvar_t sv_warsowbunny_turnaccel = {CVAR_SERVER, "sv_warsowbunny_turnaccel", "0", "max sharpness of turns (also master switch for the sv_warsowbunny_* mode; set this to 9 to enable)"};
 157 cvar_t sv_warsowbunny_backtosideratio = {CVAR_SERVER, "sv_warsowbunny_backtosideratio", "0.8", "lower values make it easier to change direction without losing speed; the drawback is \"understeering\" in sharp turns"};
 158 cvar_t sv_onlycsqcnetworking = {CVAR_SERVER, "sv_onlycsqcnetworking", "0", "disables legacy entity networking code for higher performance (except on clients, which can still be legacy)"};
 159 cvar_t sv_areadebug = {CVAR_SERVER, "sv_areadebug", "0", "disables physics culling for debugging purposes (only for development)"};
 160 cvar_t sys_ticrate = {CVAR_SERVER | CVAR_SAVE, "sys_ticrate","0.0138889", "how long a server frame is in seconds, 0.05 is 20fps server rate, 0.1 is 10fps (can not be set higher than 0.1), 0 runs as many server frames as possible (makes games against bots a little smoother, overwhelms network players), 0.0138889 matches QuakeWorld physics"};
 161 cvar_t teamplay = {CVAR_SERVER | CVAR_NOTIFY, "teamplay","0", "teamplay mode, values depend on mod but typically 0 = no teams, 1 = no team damage no self damage, 2 = team damage and self damage, some mods support 3 = no team damage but can damage self"};
 162 cvar_t timelimit = {CVAR_SERVER | CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
 163 cvar_t sv_threaded = {CVAR_SERVER, "sv_threaded", "0", "enables a separate thread for server code, improving performance, especially when hosting a game while playing, EXPERIMENTAL, may be crashy"};
 164
 165 cvar_t saved1 = {CVAR_SERVER | CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 166 cvar_t saved2 = {CVAR_SERVER | CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 167 cvar_t saved3 = {CVAR_SERVER | CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 168 cvar_t saved4 = {CVAR_SERVER | CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 169 cvar_t savedgamecfg = {CVAR_SERVER | CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 170 cvar_t scratch1 = {CVAR_SERVER, "scratch1", "0", "unused cvar in quake, can be used by mods"};
 171 cvar_t scratch2 = {CVAR_SERVER,"scratch2", "0", "unused cvar in quake, can be used by mods"};
 172 cvar_t scratch3 = {CVAR_SERVER, "scratch3", "0", "unused cvar in quake, can be used by mods"};
 173 cvar_t scratch4 = {CVAR_SERVER, "scratch4", "0", "unused cvar in quake, can be used by mods"};
 174 cvar_t temp1 = {CVAR_SERVER, "temp1","0", "general cvar for mods to use, in stock id1 this selects which death animation to use on players (0 = random death, other values select specific death scenes)"};
 175
 176 cvar_t nehx00 = {CVAR_SERVER, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
 177 cvar_t nehx01 = {CVAR_SERVER, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
 178 cvar_t nehx02 = {CVAR_SERVER, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
 179 cvar_t nehx03 = {CVAR_SERVER, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
 180 cvar_t nehx04 = {CVAR_SERVER, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
 181 cvar_t nehx05 = {CVAR_SERVER, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
 182 cvar_t nehx06 = {CVAR_SERVER, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
 183 cvar_t nehx07 = {CVAR_SERVER, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
 184 cvar_t nehx08 = {CVAR_SERVER, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
 185 cvar_t nehx09 = {CVAR_SERVER, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
 186 cvar_t nehx10 = {CVAR_SERVER, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
 187 cvar_t nehx11 = {CVAR_SERVER, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
 188 cvar_t nehx12 = {CVAR_SERVER, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
 189 cvar_t nehx13 = {CVAR_SERVER, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
 190 cvar_t nehx14 = {CVAR_SERVER, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
 191 cvar_t nehx15 = {CVAR_SERVER, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
 192 cvar_t nehx16 = {CVAR_SERVER, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
 193 cvar_t nehx17 = {CVAR_SERVER, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
 194 cvar_t nehx18 = {CVAR_SERVER, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
 195 cvar_t nehx19 = {CVAR_SERVER, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
 196 cvar_t cutscene = {CVAR_SERVER, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
 197
 198 cvar_t sv_autodemo_perclient = {CVAR_SERVER | CVAR_SAVE, "sv_autodemo_perclient", "0", "set to 1 to enable autorecorded per-client demos (they'll start to record at the beginning of a match); set it to 2 to also record client->server packets (for debugging)"};
 199 cvar_t sv_autodemo_perclient_nameformat = {CVAR_SERVER | CVAR_SAVE, "sv_autodemo_perclient_nameformat", "sv_autodemos/%Y-%m-%d_%H-%M", "The format of the sv_autodemo_perclient filename, followed by the map name, the client number and the IP address + port number, separated by underscores (the date is encoded using strftime escapes)" };
 200 cvar_t sv_autodemo_perclient_discardable = {CVAR_SERVER | CVAR_SAVE, "sv_autodemo_perclient_discardable", "0", "Allow game code to decide whether a demo should be kept or discarded."};
 201
 202 cvar_t halflifebsp = {CVAR_SERVER, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
 203 cvar_t sv_mapformat_is_quake2 = {CVAR_SERVER, "sv_mapformat_is_quake2", "0", "indicates the current map is q2bsp format (useful to know because of different entity behaviors, .frame on submodels and other things)"};
 204 cvar_t sv_mapformat_is_quake3 = {CVAR_SERVER, "sv_mapformat_is_quake3", "0", "indicates the current map is q2bsp format (useful to know because of different entity behaviors)"};
 205
 206 server_t sv;
 207 server_static_t svs;
 208
 209 mempool_t *sv_mempool = NULL;
 210
 211 extern cvar_t host_timescale;
 212 extern float            scr_centertime_off;
 213
 214 // MUST match effectnameindex_t in client.h
 215 static const char *standardeffectnames[EFFECT_TOTAL] =
 216 {
 217         "",
 218         "TE_GUNSHOT",
 219         "TE_GUNSHOTQUAD",
 220         "TE_SPIKE",
 221         "TE_SPIKEQUAD",
 222         "TE_SUPERSPIKE",
 223         "TE_SUPERSPIKEQUAD",
 224         "TE_WIZSPIKE",
 225         "TE_KNIGHTSPIKE",
 226         "TE_EXPLOSION",
 227         "TE_EXPLOSIONQUAD",
 228         "TE_TAREXPLOSION",
 229         "TE_TELEPORT",
 230         "TE_LAVASPLASH",
 231         "TE_SMALLFLASH",
 232         "TE_FLAMEJET",
 233         "EF_FLAME",
 234         "TE_BLOOD",
 235         "TE_SPARK",
 236         "TE_PLASMABURN",
 237         "TE_TEI_G3",
 238         "TE_TEI_SMOKE",
 239         "TE_TEI_BIGEXPLOSION",
 240         "TE_TEI_PLASMAHIT",
 241         "EF_STARDUST",
 242         "TR_ROCKET",
 243         "TR_GRENADE",
 244         "TR_BLOOD",
 245         "TR_WIZSPIKE",
 246         "TR_SLIGHTBLOOD",
 247         "TR_KNIGHTSPIKE",
 248         "TR_VORESPIKE",
 249         "TR_NEHAHRASMOKE",
 250         "TR_NEXUIZPLASMA",
 251         "TR_GLOWTRAIL",
 252         "SVC_PARTICLE"
 253 };
 254
 255 #define SV_REQFUNCS 0
 256 #define sv_reqfuncs NULL
 257
 258 //#define SV_REQFUNCS (sizeof(sv_reqfuncs) / sizeof(const char *))
 259 //static const char *sv_reqfuncs[] = {
 260 //};
 261
 262 #define SV_REQFIELDS (sizeof(sv_reqfields) / sizeof(prvm_required_field_t))
 263
 264 prvm_required_field_t sv_reqfields[] =
 265 {
 266 #define PRVM_DECLARE_serverglobalfloat(x)
 267 #define PRVM_DECLARE_serverglobalvector(x)
 268 #define PRVM_DECLARE_serverglobalstring(x)
 269 #define PRVM_DECLARE_serverglobaledict(x)
 270 #define PRVM_DECLARE_serverglobalfunction(x)
 271 #define PRVM_DECLARE_clientglobalfloat(x)
 272 #define PRVM_DECLARE_clientglobalvector(x)
 273 #define PRVM_DECLARE_clientglobalstring(x)
 274 #define PRVM_DECLARE_clientglobaledict(x)
 275 #define PRVM_DECLARE_clientglobalfunction(x)
 276 #define PRVM_DECLARE_menuglobalfloat(x)
 277 #define PRVM_DECLARE_menuglobalvector(x)
 278 #define PRVM_DECLARE_menuglobalstring(x)
 279 #define PRVM_DECLARE_menuglobaledict(x)
 280 #define PRVM_DECLARE_menuglobalfunction(x)
 281 #define PRVM_DECLARE_serverfieldfloat(x) {ev_float, #x},
 282 #define PRVM_DECLARE_serverfieldvector(x) {ev_vector, #x},
 283 #define PRVM_DECLARE_serverfieldstring(x) {ev_string, #x},
 284 #define PRVM_DECLARE_serverfieldedict(x) {ev_entity, #x},
 285 #define PRVM_DECLARE_serverfieldfunction(x) {ev_function, #x},
 286 #define PRVM_DECLARE_clientfieldfloat(x)
 287 #define PRVM_DECLARE_clientfieldvector(x)
 288 #define PRVM_DECLARE_clientfieldstring(x)
 289 #define PRVM_DECLARE_clientfieldedict(x)
 290 #define PRVM_DECLARE_clientfieldfunction(x)
 291 #define PRVM_DECLARE_menufieldfloat(x)
 292 #define PRVM_DECLARE_menufieldvector(x)
 293 #define PRVM_DECLARE_menufieldstring(x)
 294 #define PRVM_DECLARE_menufieldedict(x)
 295 #define PRVM_DECLARE_menufieldfunction(x)
 296 #define PRVM_DECLARE_serverfunction(x)
 297 #define PRVM_DECLARE_clientfunction(x)
 298 #define PRVM_DECLARE_menufunction(x)
 299 #define PRVM_DECLARE_field(x)
 300 #define PRVM_DECLARE_global(x)
 301 #define PRVM_DECLARE_function(x)
 302 #include "prvm_offsets.h"
 303 #undef PRVM_DECLARE_serverglobalfloat
 304 #undef PRVM_DECLARE_serverglobalvector
 305 #undef PRVM_DECLARE_serverglobalstring
 306 #undef PRVM_DECLARE_serverglobaledict
 307 #undef PRVM_DECLARE_serverglobalfunction
 308 #undef PRVM_DECLARE_clientglobalfloat
 309 #undef PRVM_DECLARE_clientglobalvector
 310 #undef PRVM_DECLARE_clientglobalstring
 311 #undef PRVM_DECLARE_clientglobaledict
 312 #undef PRVM_DECLARE_clientglobalfunction
 313 #undef PRVM_DECLARE_menuglobalfloat
 314 #undef PRVM_DECLARE_menuglobalvector
 315 #undef PRVM_DECLARE_menuglobalstring
 316 #undef PRVM_DECLARE_menuglobaledict
 317 #undef PRVM_DECLARE_menuglobalfunction
 318 #undef PRVM_DECLARE_serverfieldfloat
 319 #undef PRVM_DECLARE_serverfieldvector
 320 #undef PRVM_DECLARE_serverfieldstring
 321 #undef PRVM_DECLARE_serverfieldedict
 322 #undef PRVM_DECLARE_serverfieldfunction
 323 #undef PRVM_DECLARE_clientfieldfloat
 324 #undef PRVM_DECLARE_clientfieldvector
 325 #undef PRVM_DECLARE_clientfieldstring
 326 #undef PRVM_DECLARE_clientfieldedict
 327 #undef PRVM_DECLARE_clientfieldfunction
 328 #undef PRVM_DECLARE_menufieldfloat
 329 #undef PRVM_DECLARE_menufieldvector
 330 #undef PRVM_DECLARE_menufieldstring
 331 #undef PRVM_DECLARE_menufieldedict
 332 #undef PRVM_DECLARE_menufieldfunction
 333 #undef PRVM_DECLARE_serverfunction
 334 #undef PRVM_DECLARE_clientfunction
 335 #undef PRVM_DECLARE_menufunction
 336 #undef PRVM_DECLARE_field
 337 #undef PRVM_DECLARE_global
 338 #undef PRVM_DECLARE_function
 339 };
 340
 341 #define SV_REQGLOBALS (sizeof(sv_reqglobals) / sizeof(prvm_required_field_t))
 342
 343 prvm_required_field_t sv_reqglobals[] =
 344 {
 345 #define PRVM_DECLARE_serverglobalfloat(x) {ev_float, #x},
 346 #define PRVM_DECLARE_serverglobalvector(x) {ev_vector, #x},
 347 #define PRVM_DECLARE_serverglobalstring(x) {ev_string, #x},
 348 #define PRVM_DECLARE_serverglobaledict(x) {ev_entity, #x},
 349 #define PRVM_DECLARE_serverglobalfunction(x) {ev_function, #x},
 350 #define PRVM_DECLARE_clientglobalfloat(x)
 351 #define PRVM_DECLARE_clientglobalvector(x)
 352 #define PRVM_DECLARE_clientglobalstring(x)
 353 #define PRVM_DECLARE_clientglobaledict(x)
 354 #define PRVM_DECLARE_clientglobalfunction(x)
 355 #define PRVM_DECLARE_menuglobalfloat(x)
 356 #define PRVM_DECLARE_menuglobalvector(x)
 357 #define PRVM_DECLARE_menuglobalstring(x)
 358 #define PRVM_DECLARE_menuglobaledict(x)
 359 #define PRVM_DECLARE_menuglobalfunction(x)
 360 #define PRVM_DECLARE_serverfieldfloat(x)
 361 #define PRVM_DECLARE_serverfieldvector(x)
 362 #define PRVM_DECLARE_serverfieldstring(x)
 363 #define PRVM_DECLARE_serverfieldedict(x)
 364 #define PRVM_DECLARE_serverfieldfunction(x)
 365 #define PRVM_DECLARE_clientfieldfloat(x)
 366 #define PRVM_DECLARE_clientfieldvector(x)
 367 #define PRVM_DECLARE_clientfieldstring(x)
 368 #define PRVM_DECLARE_clientfieldedict(x)
 369 #define PRVM_DECLARE_clientfieldfunction(x)
 370 #define PRVM_DECLARE_menufieldfloat(x)
 371 #define PRVM_DECLARE_menufieldvector(x)
 372 #define PRVM_DECLARE_menufieldstring(x)
 373 #define PRVM_DECLARE_menufieldedict(x)
 374 #define PRVM_DECLARE_menufieldfunction(x)
 375 #define PRVM_DECLARE_serverfunction(x)
 376 #define PRVM_DECLARE_clientfunction(x)
 377 #define PRVM_DECLARE_menufunction(x)
 378 #define PRVM_DECLARE_field(x)
 379 #define PRVM_DECLARE_global(x)
 380 #define PRVM_DECLARE_function(x)
 381 #include "prvm_offsets.h"
 382 #undef PRVM_DECLARE_serverglobalfloat
 383 #undef PRVM_DECLARE_serverglobalvector
 384 #undef PRVM_DECLARE_serverglobalstring
 385 #undef PRVM_DECLARE_serverglobaledict
 386 #undef PRVM_DECLARE_serverglobalfunction
 387 #undef PRVM_DECLARE_clientglobalfloat
 388 #undef PRVM_DECLARE_clientglobalvector
 389 #undef PRVM_DECLARE_clientglobalstring
 390 #undef PRVM_DECLARE_clientglobaledict
 391 #undef PRVM_DECLARE_clientglobalfunction
 392 #undef PRVM_DECLARE_menuglobalfloat
 393 #undef PRVM_DECLARE_menuglobalvector
 394 #undef PRVM_DECLARE_menuglobalstring
 395 #undef PRVM_DECLARE_menuglobaledict
 396 #undef PRVM_DECLARE_menuglobalfunction
 397 #undef PRVM_DECLARE_serverfieldfloat
 398 #undef PRVM_DECLARE_serverfieldvector
 399 #undef PRVM_DECLARE_serverfieldstring
 400 #undef PRVM_DECLARE_serverfieldedict
 401 #undef PRVM_DECLARE_serverfieldfunction
 402 #undef PRVM_DECLARE_clientfieldfloat
 403 #undef PRVM_DECLARE_clientfieldvector
 404 #undef PRVM_DECLARE_clientfieldstring
 405 #undef PRVM_DECLARE_clientfieldedict
 406 #undef PRVM_DECLARE_clientfieldfunction
 407 #undef PRVM_DECLARE_menufieldfloat
 408 #undef PRVM_DECLARE_menufieldvector
 409 #undef PRVM_DECLARE_menufieldstring
 410 #undef PRVM_DECLARE_menufieldedict
 411 #undef PRVM_DECLARE_menufieldfunction
 412 #undef PRVM_DECLARE_serverfunction
 413 #undef PRVM_DECLARE_clientfunction
 414 #undef PRVM_DECLARE_menufunction
 415 #undef PRVM_DECLARE_field
 416 #undef PRVM_DECLARE_global
 417 #undef PRVM_DECLARE_function
 418 };
 419
 420 static void Host_Timescale_c(cvar_t *var)
 421 {
 422         if(var->value < 0.00001 && var->value != 0)
 423                 Cvar_SetValueQuick(var, 0);
 424 }
 425
 426 //============================================================================
 427
 428 static void SV_AreaStats_f(cmd_state_t *cmd)
 429 {
 430         World_PrintAreaStats(&sv.world, "server");
 431 }
 432
 433 /*
 434 ===============
 435 SV_Init
 436 ===============
 437 */
 438 void SV_Init (void)
 439 {
 440         // init the csqc progs cvars, since they are updated/used by the server code
 441         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
 442         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
 443         extern cvar_t csqc_progcrc;
 444         extern cvar_t csqc_progsize;
 445         extern cvar_t csqc_usedemoprogs;
 446
 447         Cvar_RegisterVariable(&sv_worldmessage);
 448         Cvar_RegisterVariable(&sv_worldname);
 449         Cvar_RegisterVariable(&sv_worldnamenoextension);
 450         Cvar_RegisterVariable(&sv_worldbasename);
 451
 452         Cvar_RegisterVariable (&csqc_progname);
 453         Cvar_RegisterVariable (&csqc_progcrc);
 454         Cvar_RegisterVariable (&csqc_progsize);
 455         Cvar_RegisterVariable (&csqc_usedemoprogs);
 456
 457         Cmd_AddCommand(CMD_SHARED, "sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
 458         Cmd_AddCommand(CMD_SHARED, "sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
 459         Cmd_AddCommand(CMD_CLIENT | CMD_SERVER_FROM_CLIENT, "sv_startdownload", SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
 460         Cmd_AddCommand(CMD_CLIENT | CMD_SERVER_FROM_CLIENT, "download", SV_Download_f, "downloads a specified file from the server");
 461
 462         Cvar_RegisterVariable (&sv_disablenotify);
 463         Cvar_RegisterVariable (&coop);
 464         Cvar_RegisterVariable (&deathmatch);
 465         Cvar_RegisterVariable (&fraglimit);
 466         Cvar_RegisterVariable (&gamecfg);
 467         Cvar_RegisterVariable (&noexit);
 468         Cvar_RegisterVariable (&nomonsters);
 469         Cvar_RegisterVariable (&pausable);
 470         Cvar_RegisterVariable (&pr_checkextension);
 471         Cvar_RegisterVariable (&samelevel);
 472         Cvar_RegisterVariable (&skill);
 473         Cvar_RegisterVariable (&host_timescale);
 474         Cvar_RegisterCallback (&host_timescale, Host_Timescale_c);
 475         Cvar_RegisterAlias (&host_timescale, "slowmo");
 476         Cvar_RegisterAlias (&host_timescale, "timescale");
 477         Cvar_RegisterVariable (&sv_accelerate);
 478         Cvar_RegisterVariable (&sv_aim);
 479         Cvar_RegisterVariable (&sv_airaccel_qw);
 480         Cvar_RegisterVariable (&sv_airaccel_qw_stretchfactor);
 481         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
 482         Cvar_RegisterVariable (&sv_airaccelerate);
 483         Cvar_RegisterVariable (&sv_airstopaccelerate);
 484         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
 485         Cvar_RegisterVariable (&sv_maxairstrafespeed);
 486         Cvar_RegisterVariable (&sv_airstrafeaccel_qw);
 487         Cvar_RegisterVariable (&sv_airspeedlimit_nonqw);
 488         Cvar_RegisterVariable (&sv_aircontrol);
 489         Cvar_RegisterVariable (&sv_aircontrol_power);
 490         Cvar_RegisterVariable (&sv_aircontrol_penalty);
 491         Cvar_RegisterVariable (&sv_allowdownloads);
 492         Cvar_RegisterVariable (&sv_allowdownloads_archive);
 493         Cvar_RegisterVariable (&sv_allowdownloads_config);
 494         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
 495         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
 496         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
 497         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
 498         Cvar_RegisterVariable (&sv_clmovement_enable);
 499         Cvar_RegisterVariable (&sv_clmovement_minping);
 500         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
 501         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
 502         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
 503         Cvar_RegisterVariable (&sv_cullentities_pvs);
 504         Cvar_RegisterVariable (&sv_cullentities_stats);
 505         Cvar_RegisterVariable (&sv_cullentities_trace);
 506         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
 507         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
 508         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
 509         Cvar_RegisterVariable (&sv_cullentities_trace_expand);
 510         Cvar_RegisterVariable (&sv_cullentities_trace_eyejitter);
 511         Cvar_RegisterVariable (&sv_cullentities_trace_entityocclusion);
 512         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
 513         Cvar_RegisterVariable (&sv_cullentities_trace_prediction_time);
 514         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
 515         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
 516         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
 517         Cvar_RegisterVariable (&sv_debugmove);
 518         Cvar_RegisterVariable (&sv_echobprint);
 519         Cvar_RegisterVariable (&sv_edgefriction);
 520         Cvar_RegisterVariable (&sv_entpatch);
 521         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
 522         Cvar_RegisterVariable (&sv_freezenonclients);
 523         Cvar_RegisterVariable (&sv_friction);
 524         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
 525         Cvar_RegisterVariable (&sv_gameplayfix_consistentplayerprethink);
 526         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
 527         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
 528         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
 529         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
 530         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
 531         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
 532         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
 533         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
 534         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
 535         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
 536         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid);
 537         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid_separation);
 538         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
 539         Cvar_RegisterVariable (&sv_gameplayfix_nogravityonground);
 540         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
 541         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
 542         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
 543         Cvar_RegisterVariable (&sv_gameplayfix_stepmultipletimes);
 544         Cvar_RegisterVariable (&sv_gameplayfix_nostepmoveonsteepslopes);
 545         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
 546         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
 547         Cvar_RegisterVariable (&sv_gameplayfix_downtracesupportsongroundflag);
 548         Cvar_RegisterVariable (&sv_gameplayfix_q1bsptracelinereportstexture);
 549         Cvar_RegisterVariable (&sv_gameplayfix_unstickplayers);
 550         Cvar_RegisterVariable (&sv_gameplayfix_unstickentities);
 551         Cvar_RegisterVariable (&sv_gameplayfix_fixedcheckwatertransition);
 552         Cvar_RegisterVariable (&sv_gameplayfix_customstats);
 553         Cvar_RegisterVariable (&sv_gravity);
 554         Cvar_RegisterVariable (&sv_init_frame_count);
 555         Cvar_RegisterVariable (&sv_idealpitchscale);
 556         Cvar_RegisterVariable (&sv_jumpstep);
 557         Cvar_RegisterVariable (&sv_jumpvelocity);
 558         Cvar_RegisterVariable (&sv_maxairspeed);
 559         Cvar_RegisterVariable (&sv_maxrate);
 560         Cvar_RegisterVariable (&sv_maxspeed);
 561         Cvar_RegisterVariable (&sv_maxvelocity);
 562         Cvar_RegisterVariable (&sv_nostep);
 563         Cvar_RegisterVariable (&sv_playerphysicsqc);
 564         Cvar_RegisterVariable (&sv_progs);
 565         Cvar_RegisterVariable (&sv_protocolname);
 566         Cvar_RegisterVariable (&sv_random_seed);
 567         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
 568         Cvar_RegisterVariable (&sv_sound_land);
 569         Cvar_RegisterVariable (&sv_sound_watersplash);
 570         Cvar_RegisterVariable (&sv_stepheight);
 571         Cvar_RegisterVariable (&sv_stopspeed);
 572         Cvar_RegisterVariable (&sv_wallfriction);
 573         Cvar_RegisterVariable (&sv_wateraccelerate);
 574         Cvar_RegisterVariable (&sv_waterfriction);
 575         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
 576         Cvar_RegisterVariable (&sv_warsowbunny_accel);
 577         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
 578         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
 579         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
 580         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
 581         Cvar_RegisterVariable (&sv_areadebug);
 582         Cvar_RegisterVariable (&sys_ticrate);
 583         Cvar_RegisterVariable (&teamplay);
 584         Cvar_RegisterVariable (&timelimit);
 585         Cvar_RegisterVariable (&sv_threaded);
 586
 587         Cvar_RegisterVariable (&saved1);
 588         Cvar_RegisterVariable (&saved2);
 589         Cvar_RegisterVariable (&saved3);
 590         Cvar_RegisterVariable (&saved4);
 591         Cvar_RegisterVariable (&savedgamecfg);
 592         Cvar_RegisterVariable (&scratch1);
 593         Cvar_RegisterVariable (&scratch2);
 594         Cvar_RegisterVariable (&scratch3);
 595         Cvar_RegisterVariable (&scratch4);
 596         Cvar_RegisterVariable (&temp1);
 597
 598         // LadyHavoc: Nehahra uses these to pass data around cutscene demos
 599         Cvar_RegisterVariable (&nehx00);
 600         Cvar_RegisterVariable (&nehx01);
 601         Cvar_RegisterVariable (&nehx02);
 602         Cvar_RegisterVariable (&nehx03);
 603         Cvar_RegisterVariable (&nehx04);
 604         Cvar_RegisterVariable (&nehx05);
 605         Cvar_RegisterVariable (&nehx06);
 606         Cvar_RegisterVariable (&nehx07);
 607         Cvar_RegisterVariable (&nehx08);
 608         Cvar_RegisterVariable (&nehx09);
 609         Cvar_RegisterVariable (&nehx10);
 610         Cvar_RegisterVariable (&nehx11);
 611         Cvar_RegisterVariable (&nehx12);
 612         Cvar_RegisterVariable (&nehx13);
 613         Cvar_RegisterVariable (&nehx14);
 614         Cvar_RegisterVariable (&nehx15);
 615         Cvar_RegisterVariable (&nehx16);
 616         Cvar_RegisterVariable (&nehx17);
 617         Cvar_RegisterVariable (&nehx18);
 618         Cvar_RegisterVariable (&nehx19);
 619         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
 620
 621         Cvar_RegisterVariable (&sv_autodemo_perclient);
 622         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
 623         Cvar_RegisterVariable (&sv_autodemo_perclient_discardable);
 624
 625         Cvar_RegisterVariable (&halflifebsp);
 626         Cvar_RegisterVariable (&sv_mapformat_is_quake2);
 627         Cvar_RegisterVariable (&sv_mapformat_is_quake3);
 628
 629         SV_InitOperatorCommands();
 630
 631         sv_mempool = Mem_AllocPool("server", 0, NULL);
 632 }
 633
 634 static void SV_SaveEntFile_f(cmd_state_t *cmd)
 635 {
 636         char vabuf[1024];
 637         if (!sv.active || !sv.worldmodel)
 638         {
 639                 Con_Print("Not running a server\n");
 640                 return;
 641         }
 642         FS_WriteFile(va(vabuf, sizeof(vabuf), "%s.ent", sv.worldnamenoextension), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
 643 }
 644
 645
 646 /*
 647 =============================================================================
 648
 649 EVENT MESSAGES
 650
 651 =============================================================================
 652 */
 653
 654 /*
 655 ==================
 656 SV_StartParticle
 657
 658 Make sure the event gets sent to all clients
 659 ==================
 660 */
 661 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 662 {
 663         int i;
 664
 665         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 666                 return;
 667         MSG_WriteByte (&sv.datagram, svc_particle);
 668         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 669         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 670         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 671         for (i=0 ; i<3 ; i++)
 672                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
 673         MSG_WriteByte (&sv.datagram, count);
 674         MSG_WriteByte (&sv.datagram, color);
 675         SV_FlushBroadcastMessages();
 676 }
 677
 678 /*
 679 ==================
 680 SV_StartEffect
 681
 682 Make sure the event gets sent to all clients
 683 ==================
 684 */
 685 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 686 {
 687         if (modelindex >= 256 || startframe >= 256)
 688         {
 689                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 690                         return;
 691                 MSG_WriteByte (&sv.datagram, svc_effect2);
 692                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 693                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 694                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 695                 MSG_WriteShort (&sv.datagram, modelindex);
 696                 MSG_WriteShort (&sv.datagram, startframe);
 697                 MSG_WriteByte (&sv.datagram, framecount);
 698                 MSG_WriteByte (&sv.datagram, framerate);
 699         }
 700         else
 701         {
 702                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 703                         return;
 704                 MSG_WriteByte (&sv.datagram, svc_effect);
 705                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 706                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 707                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 708                 MSG_WriteByte (&sv.datagram, modelindex);
 709                 MSG_WriteByte (&sv.datagram, startframe);
 710                 MSG_WriteByte (&sv.datagram, framecount);
 711                 MSG_WriteByte (&sv.datagram, framerate);
 712         }
 713         SV_FlushBroadcastMessages();
 714 }
 715
 716 /*
 717 ==================
 718 SV_StartSound
 719
 720 Each entity can have eight independant sound sources, like voice,
 721 weapon, feet, etc.
 722
 723 Channel 0 is an auto-allocate channel, the others override anything
 724 already running on that entity/channel pair.
 725
 726 An attenuation of 0 will play full volume everywhere in the level.
 727 Larger attenuations will drop off.  (max 4 attenuation)
 728
 729 ==================
 730 */
 731 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int nvolume, float attenuation, qboolean reliable, float speed)
 732 {
 733         prvm_prog_t *prog = SVVM_prog;
 734         sizebuf_t *dest;
 735         int sound_num, field_mask, i, ent, speed4000;
 736
 737         dest = (reliable ? &sv.reliable_datagram : &sv.datagram);
 738
 739         if (nvolume < 0 || nvolume > 255)
 740         {
 741                 Con_Printf ("SV_StartSound: volume = %i\n", nvolume);
 742                 return;
 743         }
 744
 745         if (attenuation < 0 || attenuation > 4)
 746         {
 747                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
 748                 return;
 749         }
 750
 751         if (!IS_CHAN(channel))
 752         {
 753                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
 754                 return;
 755         }
 756
 757         channel = CHAN_ENGINE2NET(channel);
 758
 759         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 760                 return;
 761
 762 // find precache number for sound
 763         sound_num = SV_SoundIndex(sample, 1);
 764         if (!sound_num)
 765                 return;
 766
 767         ent = PRVM_NUM_FOR_EDICT(entity);
 768
 769         speed4000 = (int)floor(speed * 4000.0f + 0.5f);
 770         field_mask = 0;
 771         if (nvolume != DEFAULT_SOUND_PACKET_VOLUME)
 772                 field_mask |= SND_VOLUME;
 773         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 774                 field_mask |= SND_ATTENUATION;
 775         if (speed4000 && speed4000 != 4000)
 776                 field_mask |= SND_SPEEDUSHORT4000;
 777         if (ent >= 8192 || channel < 0 || channel > 7)
 778                 field_mask |= SND_LARGEENTITY;
 779         if (sound_num >= 256)
 780                 field_mask |= SND_LARGESOUND;
 781
 782 // directed messages go only to the entity they are targeted on
 783         MSG_WriteByte (dest, svc_sound);
 784         MSG_WriteByte (dest, field_mask);
 785         if (field_mask & SND_VOLUME)
 786                 MSG_WriteByte (dest, nvolume);
 787         if (field_mask & SND_ATTENUATION)
 788                 MSG_WriteByte (dest, (int)(attenuation*64));
 789         if (field_mask & SND_SPEEDUSHORT4000)
 790                 MSG_WriteShort (dest, speed4000);
 791         if (field_mask & SND_LARGEENTITY)
 792         {
 793                 MSG_WriteShort (dest, ent);
 794                 MSG_WriteChar (dest, channel);
 795         }
 796         else
 797                 MSG_WriteShort (dest, (ent<<3) | channel);
 798         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
 799                 MSG_WriteShort (dest, sound_num);
 800         else
 801                 MSG_WriteByte (dest, sound_num);
 802         for (i = 0;i < 3;i++)
 803                 MSG_WriteCoord (dest, PRVM_serveredictvector(entity, origin)[i]+0.5*(PRVM_serveredictvector(entity, mins)[i]+PRVM_serveredictvector(entity, maxs)[i]), sv.protocol);
 804
 805         // TODO do we have to do anything here when dest is &sv.reliable_datagram?
 806         if(!reliable)
 807                 SV_FlushBroadcastMessages();
 808 }
 809
 810 /*
 811 ==================
 812 SV_StartPointSound
 813
 814 Nearly the same logic as SV_StartSound, except an origin
 815 instead of an entity is provided and channel is omitted.
 816
 817 The entity sent to the client is 0 (world) and the channel
 818 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
 819 function, therefore the check for it is omitted.
 820
 821 ==================
 822 */
 823 void SV_StartPointSound (vec3_t origin, const char *sample, int nvolume, float attenuation, float speed)
 824 {
 825         int sound_num, field_mask, i, speed4000;
 826
 827         if (nvolume < 0 || nvolume > 255)
 828         {
 829                 Con_Printf ("SV_StartPointSound: volume = %i\n", nvolume);
 830                 return;
 831         }
 832
 833         if (attenuation < 0 || attenuation > 4)
 834         {
 835                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
 836                 return;
 837         }
 838
 839         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 840                 return;
 841
 842         // find precache number for sound
 843         sound_num = SV_SoundIndex(sample, 1);
 844         if (!sound_num)
 845                 return;
 846
 847         speed4000 = (int)(speed * 40.0f);
 848         field_mask = 0;
 849         if (nvolume != DEFAULT_SOUND_PACKET_VOLUME)
 850                 field_mask |= SND_VOLUME;
 851         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 852                 field_mask |= SND_ATTENUATION;
 853         if (sound_num >= 256)
 854                 field_mask |= SND_LARGESOUND;
 855         if (speed4000 && speed4000 != 4000)
 856                 field_mask |= SND_SPEEDUSHORT4000;
 857
 858 // directed messages go only to the entity they are targeted on
 859         MSG_WriteByte (&sv.datagram, svc_sound);
 860         MSG_WriteByte (&sv.datagram, field_mask);
 861         if (field_mask & SND_VOLUME)
 862                 MSG_WriteByte (&sv.datagram, nvolume);
 863         if (field_mask & SND_ATTENUATION)
 864                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 865         if (field_mask & SND_SPEEDUSHORT4000)
 866                 MSG_WriteShort (&sv.datagram, speed4000);
 867         // Always write entnum 0 for the world entity
 868         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
 869         if (field_mask & SND_LARGESOUND)
 870                 MSG_WriteShort (&sv.datagram, sound_num);
 871         else
 872                 MSG_WriteByte (&sv.datagram, sound_num);
 873         for (i = 0;i < 3;i++)
 874                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
 875         SV_FlushBroadcastMessages();
 876 }
 877
 878 /*
 879 ==============================================================================
 880
 881 CLIENT SPAWNING
 882
 883 ==============================================================================
 884 */
 885
 886 /*
 887 ================
 888 SV_SendServerinfo
 889
 890 Sends the first message from the server to a connected client.
 891 This will be sent on the initial connection and upon each server load.
 892 ================
 893 */
 894 void SV_SendServerinfo (client_t *client)
 895 {
 896         prvm_prog_t *prog = SVVM_prog;
 897         int i;
 898         char message[128];
 899         char vabuf[1024];
 900
 901         // we know that this client has a netconnection and thus is not a bot
 902
 903         // edicts get reallocated on level changes, so we need to update it here
 904         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
 905
 906         // clear cached stuff that depends on the level
 907         client->weaponmodel[0] = 0;
 908         client->weaponmodelindex = 0;
 909
 910         // LadyHavoc: clear entityframe tracking
 911         client->latestframenum = 0;
 912
 913         // initialize the movetime, so a speedhack can't make use of the time before this client joined
 914         client->cmd.time = sv.time;
 915
 916         if (client->entitydatabase)
 917                 EntityFrame_FreeDatabase(client->entitydatabase);
 918         if (client->entitydatabase4)
 919                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 920         if (client->entitydatabase5)
 921                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 922
 923         memset(client->stats, 0, sizeof(client->stats));
 924         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
 925
 926         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)
 927         {
 928                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 929                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
 930                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
 931                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
 932                 else
 933                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
 934         }
 935
 936         // reset csqc entity versions
 937         for (i = 0;i < prog->max_edicts;i++)
 938         {
 939                 client->csqcentityscope[i] = 0;
 940                 client->csqcentitysendflags[i] = 0xFFFFFF;
 941         }
 942         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
 943         {
 944                 client->csqcentityframehistory[i].num = 0;
 945                 client->csqcentityframehistory[i].framenum = -1;
 946         }
 947         client->csqcnumedicts = 0;
 948         client->csqcentityframehistory_next = 0;
 949
 950         SZ_Clear (&client->netconnection->message);
 951         MSG_WriteByte (&client->netconnection->message, svc_print);
 952         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)\n", gamename, buildstring, prog->filecrc);
 953         MSG_WriteString (&client->netconnection->message,message);
 954
 955         SV_StopDemoRecording(client); // to split up demos into different files
 956         if(sv_autodemo_perclient.integer)
 957         {
 958                 char demofile[MAX_OSPATH];
 959                 char ipaddress[MAX_QPATH];
 960                 size_t j;
 961
 962                 // start a new demo file
 963                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
 964                 for(j = 0; ipaddress[j]; ++j)
 965                         if(!isalnum(ipaddress[j]))
 966                                 ipaddress[j] = '-';
 967                 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);
 968
 969                 SV_StartDemoRecording(client, demofile, -1);
 970         }
 971
 972         //[515]: init csprogs according to version of svprogs, check the crc, etc.
 973         if (sv.csqc_progname[0])
 974         {
 975                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
 976                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 977                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progname %s\n", sv.csqc_progname));
 978                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 979                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progsize %i\n", sv.csqc_progsize));
 980                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 981                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progcrc %i\n", sv.csqc_progcrc));
 982
 983                 if(client->sv_demo_file != NULL)
 984                 {
 985                         int k;
 986                         static char buf[NET_MAXMESSAGE];
 987                         sizebuf_t sb;
 988
 989                         sb.data = (unsigned char *) buf;
 990                         sb.maxsize = sizeof(buf);
 991                         k = 0;
 992                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, k++, &sb, sv.protocol))
 993                                 SV_WriteDemoMessage(client, &sb, false);
 994                 }
 995
 996                 //[515]: init stufftext string (it is sent before svc_serverinfo)
 997                 if (PRVM_GetString(prog, PRVM_serverglobalstring(SV_InitCmd)))
 998                 {
 999                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
1000                         MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "%s\n", PRVM_GetString(prog, PRVM_serverglobalstring(SV_InitCmd))));
1001                 }
1002         }
1003
1004         //if (sv_allowdownloads.integer)
1005         // always send the info that the server supports the protocol, even if downloads are forbidden
1006         // only because of that, the CSQC exception can work
1007         {
1008                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
1009                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
1010         }
1011
1012         // send at this time so it's guaranteed to get executed at the right time
1013         {
1014                 client_t *save;
1015                 save = host_client;
1016                 host_client = client;
1017                 Curl_SendRequirements();
1018                 host_client = save;
1019         }
1020
1021         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
1022         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
1023         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
1024
1025         if (!coop.integer && deathmatch.integer)
1026                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
1027         else
1028                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
1029
1030         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog, PRVM_serveredictstring(prog->edicts, message)));
1031
1032         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
1033                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
1034         MSG_WriteByte (&client->netconnection->message, 0);
1035
1036         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
1037                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
1038         MSG_WriteByte (&client->netconnection->message, 0);
1039
1040 // send music
1041         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
1042         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
1043         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
1044
1045 // set view
1046 // store this in clientcamera, too
1047         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
1048         MSG_WriteByte (&client->netconnection->message, svc_setview);
1049         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
1050
1051         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
1052         MSG_WriteByte (&client->netconnection->message, 1);
1053
1054         client->prespawned = false;             // need prespawn, spawn, etc
1055         client->spawned = false;                // need prespawn, spawn, etc
1056         client->begun = false;                  // need prespawn, spawn, etc
1057         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
1058
1059         // clear movement info until client enters the new level properly
1060         memset(&client->cmd, 0, sizeof(client->cmd));
1061         client->movesequence = 0;
1062         client->movement_highestsequence_seen = 0;
1063         memset(&client->movement_count, 0, sizeof(client->movement_count));
1064 #ifdef NUM_PING_TIMES
1065         for (i = 0;i < NUM_PING_TIMES;i++)
1066                 client->ping_times[i] = 0;
1067         client->num_pings = 0;
1068 #endif
1069         client->ping = 0;
1070
1071         // allow the client some time to send his keepalives, even if map loading took ages
1072         client->netconnection->timeout = host.realtime + net_connecttimeout.value;
1073 }
1074
1075 /*
1076 ================
1077 SV_ConnectClient
1078
1079 Initializes a client_t for a new net connection.  This will only be called
1080 once for a player each game, not once for each level change.
1081 ================
1082 */
1083 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
1084 {
1085         prvm_prog_t *prog = SVVM_prog;
1086         client_t                *client;
1087         int                             i;
1088
1089         client = svs.clients + clientnum;
1090
1091 // set up the client_t
1092         if (sv.loadgame)
1093         {
1094                 float backupparms[NUM_SPAWN_PARMS];
1095                 memcpy(backupparms, client->spawn_parms, sizeof(backupparms));
1096                 memset(client, 0, sizeof(*client));
1097                 memcpy(client->spawn_parms, backupparms, sizeof(backupparms));
1098         }
1099         else
1100                 memset(client, 0, sizeof(*client));
1101         client->active = true;
1102         client->netconnection = netconnection;
1103
1104         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
1105
1106         if(client->netconnection && client->netconnection->crypto.authenticated)
1107         {
1108                 Con_Printf("%s connection to %s has been established: client is %s@%s%.*s, I am %.*s@%s%.*s\n",
1109                                 client->netconnection->crypto.use_aes ? "Encrypted" : "Authenticated",
1110                                 client->netconnection->address,
1111                                 client->netconnection->crypto.client_idfp[0] ? client->netconnection->crypto.client_idfp : "-",
1112                                 (client->netconnection->crypto.client_issigned || !client->netconnection->crypto.client_keyfp[0]) ? "" : "~",
1113                                 crypto_keyfp_recommended_length, client->netconnection->crypto.client_keyfp[0] ? client->netconnection->crypto.client_keyfp : "-",
1114                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_idfp[0] ? client->netconnection->crypto.server_idfp : "-",
1115                                 (client->netconnection->crypto.server_issigned || !client->netconnection->crypto.server_keyfp[0]) ? "" : "~",
1116                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_keyfp[0] ? client->netconnection->crypto.server_keyfp : "-"
1117                                 );
1118         }
1119
1120         strlcpy(client->name, "unconnected", sizeof(client->name));
1121         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
1122         client->prespawned = false;
1123         client->spawned = false;
1124         client->begun = false;
1125         client->edict = PRVM_EDICT_NUM(clientnum+1);
1126         if (client->netconnection)
1127                 client->netconnection->message.allowoverflow = true;            // we can catch it
1128         // prepare the unreliable message buffer
1129         client->unreliablemsg.data = client->unreliablemsg_data;
1130         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
1131         // updated by receiving "rate" command from client, this is also the default if not using a DP client
1132         client->rate = 1000000000;
1133         client->connecttime = host.realtime;
1134
1135         if (!sv.loadgame)
1136         {
1137                 // call the progs to get default spawn parms for the new client
1138                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
1139                 PRVM_serverglobalfloat(time) = sv.time;
1140                 PRVM_serverglobaledict(self) = 0;
1141                 prog->ExecuteProgram(prog, PRVM_serverfunction(SetNewParms), "QC function SetNewParms is missing");
1142                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1143                         client->spawn_parms[i] = (&PRVM_serverglobalfloat(parm1))[i];
1144
1145                 // set up the entity for this client (including .colormap, .team, etc)
1146                 PRVM_ED_ClearEdict(prog, client->edict);
1147         }
1148
1149         // don't call SendServerinfo for a fresh botclient because its fields have
1150         // not been set up by the qc yet
1151         if (client->netconnection)
1152                 SV_SendServerinfo (client);
1153         else
1154                 client->prespawned = client->spawned = client->begun = true;
1155 }
1156
1157 /*
1158 =====================
1159 SV_DropClient
1160
1161 Called when the player is getting totally kicked off the host
1162 if (crash = true), don't bother sending signofs
1163 =====================
1164 */
1165 void SV_DropClient(qboolean crash)
1166 {
1167         prvm_prog_t *prog = SVVM_prog;
1168         int i;
1169         Con_Printf("Client \"%s\" dropped\n", host_client->name);
1170
1171         SV_StopDemoRecording(host_client);
1172
1173         // make sure edict is not corrupt (from a level change for example)
1174         host_client->edict = PRVM_EDICT_NUM(host_client - svs.clients + 1);
1175
1176         if (host_client->netconnection)
1177         {
1178                 // tell the client to be gone
1179                 if (!crash)
1180                 {
1181                         // LadyHavoc: no opportunity for resending, so use unreliable 3 times
1182                         unsigned char bufdata[8];
1183                         sizebuf_t buf;
1184                         memset(&buf, 0, sizeof(buf));
1185                         buf.data = bufdata;
1186                         buf.maxsize = sizeof(bufdata);
1187                         MSG_WriteByte(&buf, svc_disconnect);
1188                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, 0, false);
1189                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, 0, false);
1190                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, 0, false);
1191                 }
1192         }
1193
1194         // call qc ClientDisconnect function
1195         // LadyHavoc: don't call QC if server is dead (avoids recursive
1196         // Host_Error in some mods when they run out of edicts)
1197         if (host_client->clientconnectcalled && sv.active && host_client->edict)
1198         {
1199                 // call the prog function for removing a client
1200                 // this will set the body to a dead frame, among other things
1201                 int saveSelf = PRVM_serverglobaledict(self);
1202                 host_client->clientconnectcalled = false;
1203                 PRVM_serverglobalfloat(time) = sv.time;
1204                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
1205                 prog->ExecuteProgram(prog, PRVM_serverfunction(ClientDisconnect), "QC function ClientDisconnect is missing");
1206                 PRVM_serverglobaledict(self) = saveSelf;
1207         }
1208
1209         if (host_client->netconnection)
1210         {
1211                 // break the net connection
1212                 NetConn_Close(host_client->netconnection);
1213                 host_client->netconnection = NULL;
1214         }
1215
1216         // if a download is active, close it
1217         if (host_client->download_file)
1218         {
1219                 Con_DPrintf("Download of %s aborted when %s dropped\n", host_client->download_name, host_client->name);
1220                 FS_Close(host_client->download_file);
1221                 host_client->download_file = NULL;
1222                 host_client->download_name[0] = 0;
1223                 host_client->download_expectedposition = 0;
1224                 host_client->download_started = false;
1225         }
1226
1227         // remove leaving player from scoreboard
1228         host_client->name[0] = 0;
1229         host_client->colors = 0;
1230         host_client->frags = 0;
1231         // send notification to all clients
1232         // get number of client manually just to make sure we get it right...
1233         i = host_client - svs.clients;
1234         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
1235         MSG_WriteByte (&sv.reliable_datagram, i);
1236         MSG_WriteString (&sv.reliable_datagram, host_client->name);
1237         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
1238         MSG_WriteByte (&sv.reliable_datagram, i);
1239         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
1240         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
1241         MSG_WriteByte (&sv.reliable_datagram, i);
1242         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
1243
1244         // free the client now
1245         if (host_client->entitydatabase)
1246                 EntityFrame_FreeDatabase(host_client->entitydatabase);
1247         if (host_client->entitydatabase4)
1248                 EntityFrame4_FreeDatabase(host_client->entitydatabase4);
1249         if (host_client->entitydatabase5)
1250                 EntityFrame5_FreeDatabase(host_client->entitydatabase5);
1251
1252         if (sv.active)
1253         {
1254                 // clear a fields that matter to DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS, and also frags
1255                 PRVM_ED_ClearEdict(prog, host_client->edict);
1256         }
1257
1258         // clear the client struct (this sets active to false)
1259         memset(host_client, 0, sizeof(*host_client));
1260
1261         // update server listing on the master because player count changed
1262         // (which the master uses for filtering empty/full servers)
1263         NetConn_Heartbeat(1);
1264
1265         if (sv.loadgame)
1266         {
1267                 for (i = 0;i < svs.maxclients;i++)
1268                         if (svs.clients[i].active && !svs.clients[i].spawned)
1269                                 break;
1270                 if (i == svs.maxclients)
1271                 {
1272                         Con_Printf("Loaded game, everyone rejoined - unpausing\n");
1273                         sv.paused = sv.loadgame = false; // we're basically done with loading now
1274                 }
1275         }
1276 }
1277
1278 /*
1279 ===============================================================================
1280
1281 FRAME UPDATES
1282
1283 ===============================================================================
1284 */
1285
1286 /*
1287 =============================================================================
1288
1289 The PVS must include a small area around the client to allow head bobbing
1290 or other small motion on the client side.  Otherwise, a bob might cause an
1291 entity that should be visible to not show up, especially when the bob
1292 crosses a waterline.
1293
1294 =============================================================================
1295 */
1296
1297 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1298 {
1299         prvm_prog_t *prog = SVVM_prog;
1300         int i;
1301         unsigned int sendflags;
1302         unsigned int version;
1303         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1304         unsigned int customizeentityforclient;
1305         unsigned int sendentity;
1306         float f;
1307         prvm_vec_t *v;
1308         vec3_t cullmins, cullmaxs;
1309         dp_model_t *model;
1310
1311         // fast path for games that do not use legacy entity networking
1312         // note: still networks clients even if they are legacy
1313         sendentity = PRVM_serveredictfunction(ent, SendEntity);
1314         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1315                 return false;
1316
1317         // this 2 billion unit check is actually to detect NAN origins
1318         // (we really don't want to send those)
1319         if (!(VectorLength2(PRVM_serveredictvector(ent, origin)) < 2000000000.0*2000000000.0))
1320                 return false;
1321
1322         // EF_NODRAW prevents sending for any reason except for your own
1323         // client, so we must keep all clients in this superset
1324         effects = (unsigned)PRVM_serveredictfloat(ent, effects);
1325
1326         // we can omit invisible entities with no effects that are not clients
1327         // LadyHavoc: this could kill tags attached to an invisible entity, I
1328         // just hope we never have to support that case
1329         i = (int)PRVM_serveredictfloat(ent, modelindex);
1330         modelindex = (i >= 1 && i < MAX_MODELS && PRVM_serveredictstring(ent, model) && *PRVM_GetString(prog, PRVM_serveredictstring(ent, model)) && sv.models[i]) ? i : 0;
1331
1332         flags = 0;
1333         i = (int)(PRVM_serveredictfloat(ent, glow_size) * 0.25f);
1334         glowsize = (unsigned char)bound(0, i, 255);
1335         if (PRVM_serveredictfloat(ent, glow_trail))
1336                 flags |= RENDER_GLOWTRAIL;
1337         if (PRVM_serveredictedict(ent, viewmodelforclient))
1338                 flags |= RENDER_VIEWMODEL;
1339
1340         v = PRVM_serveredictvector(ent, color);
1341         f = v[0]*256;
1342         light[0] = (unsigned short)bound(0, f, 65535);
1343         f = v[1]*256;
1344         light[1] = (unsigned short)bound(0, f, 65535);
1345         f = v[2]*256;
1346         light[2] = (unsigned short)bound(0, f, 65535);
1347         f = PRVM_serveredictfloat(ent, light_lev);
1348         light[3] = (unsigned short)bound(0, f, 65535);
1349         lightstyle = (unsigned char)PRVM_serveredictfloat(ent, style);
1350         lightpflags = (unsigned char)PRVM_serveredictfloat(ent, pflags);
1351
1352         if (gamemode == GAME_TENEBRAE)
1353         {
1354                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1355                 if (effects & 16)
1356                 {
1357                         effects &= ~16;
1358                         lightpflags |= PFLAGS_FULLDYNAMIC;
1359                 }
1360                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1361                 if (effects & 32)
1362                 {
1363                         effects &= ~32;
1364                         light[0] = (int)(0.2*256);
1365                         light[1] = (int)(1.0*256);
1366                         light[2] = (int)(0.2*256);
1367                         light[3] = 200;
1368                         lightpflags |= PFLAGS_FULLDYNAMIC;
1369                 }
1370         }
1371
1372         specialvisibilityradius = 0;
1373         if (lightpflags & PFLAGS_FULLDYNAMIC)
1374                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1375         if (glowsize)
1376                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1377         if (flags & RENDER_GLOWTRAIL)
1378                 specialvisibilityradius = max(specialvisibilityradius, 100);
1379         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1380         {
1381                 if (effects & EF_BRIGHTFIELD)
1382                         specialvisibilityradius = max(specialvisibilityradius, 80);
1383                 if (effects & EF_MUZZLEFLASH)
1384                         specialvisibilityradius = max(specialvisibilityradius, 100);
1385                 if (effects & EF_BRIGHTLIGHT)
1386                         specialvisibilityradius = max(specialvisibilityradius, 400);
1387                 if (effects & EF_DIMLIGHT)
1388                         specialvisibilityradius = max(specialvisibilityradius, 200);
1389                 if (effects & EF_RED)
1390                         specialvisibilityradius = max(specialvisibilityradius, 200);
1391                 if (effects & EF_BLUE)
1392                         specialvisibilityradius = max(specialvisibilityradius, 200);
1393                 if (effects & EF_FLAME)
1394                         specialvisibilityradius = max(specialvisibilityradius, 250);
1395                 if (effects & EF_STARDUST)
1396                         specialvisibilityradius = max(specialvisibilityradius, 100);
1397         }
1398
1399         // early culling checks
1400         // (final culling is done by SV_MarkWriteEntityStateToClient)
1401         customizeentityforclient = PRVM_serveredictfunction(ent, customizeentityforclient);
1402         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1403                 return false;
1404
1405         *cs = defaultstate;
1406         cs->active = ACTIVE_NETWORK;
1407         cs->number = enumber;
1408         VectorCopy(PRVM_serveredictvector(ent, origin), cs->origin);
1409         VectorCopy(PRVM_serveredictvector(ent, angles), cs->angles);
1410         cs->flags = flags;
1411         cs->effects = effects;
1412         cs->colormap = (unsigned)PRVM_serveredictfloat(ent, colormap);
1413         cs->modelindex = modelindex;
1414         cs->skin = (unsigned)PRVM_serveredictfloat(ent, skin);
1415         cs->frame = (unsigned)PRVM_serveredictfloat(ent, frame);
1416         cs->viewmodelforclient = PRVM_serveredictedict(ent, viewmodelforclient);
1417         cs->exteriormodelforclient = PRVM_serveredictedict(ent, exteriormodeltoclient);
1418         cs->nodrawtoclient = PRVM_serveredictedict(ent, nodrawtoclient);
1419         cs->drawonlytoclient = PRVM_serveredictedict(ent, drawonlytoclient);
1420         cs->customizeentityforclient = customizeentityforclient;
1421         cs->tagentity = PRVM_serveredictedict(ent, tag_entity);
1422         cs->tagindex = (unsigned char)PRVM_serveredictfloat(ent, tag_index);
1423         cs->glowsize = glowsize;
1424         cs->traileffectnum = PRVM_serveredictfloat(ent, traileffectnum);
1425
1426         // don't need to init cs->colormod because the defaultstate did that for us
1427         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1428         v = PRVM_serveredictvector(ent, colormod);
1429         if (VectorLength2(v))
1430         {
1431                 i = (int)(v[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1432                 i = (int)(v[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1433                 i = (int)(v[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1434         }
1435
1436         // don't need to init cs->glowmod because the defaultstate did that for us
1437         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1438         v = PRVM_serveredictvector(ent, glowmod);
1439         if (VectorLength2(v))
1440         {
1441                 i = (int)(v[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1442                 i = (int)(v[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1443                 i = (int)(v[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1444         }
1445
1446         cs->modelindex = modelindex;
1447
1448         cs->alpha = 255;
1449         f = (PRVM_serveredictfloat(ent, alpha) * 255.0f);
1450         if (f)
1451         {
1452                 i = (int)f;
1453                 cs->alpha = (unsigned char)bound(0, i, 255);
1454         }
1455         // halflife
1456         f = (PRVM_serveredictfloat(ent, renderamt));
1457         if (f)
1458         {
1459                 i = (int)f;
1460                 cs->alpha = (unsigned char)bound(0, i, 255);
1461         }
1462
1463         cs->scale = 16;
1464         f = (PRVM_serveredictfloat(ent, scale) * 16.0f);
1465         if (f)
1466         {
1467                 i = (int)f;
1468                 cs->scale = (unsigned char)bound(0, i, 255);
1469         }
1470
1471         cs->glowcolor = 254;
1472         f = PRVM_serveredictfloat(ent, glow_color);
1473         if (f)
1474                 cs->glowcolor = (int)f;
1475
1476         if (PRVM_serveredictfloat(ent, fullbright))
1477                 cs->effects |= EF_FULLBRIGHT;
1478
1479         f = PRVM_serveredictfloat(ent, modelflags);
1480         if (f)
1481                 cs->effects |= ((unsigned int)f & 0xff) << 24;
1482
1483         if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
1484                 cs->flags |= RENDER_STEP;
1485         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)
1486                 cs->flags |= RENDER_LOWPRECISION;
1487         if (PRVM_serveredictfloat(ent, colormap) >= 1024)
1488                 cs->flags |= RENDER_COLORMAPPED;
1489         if (cs->viewmodelforclient)
1490                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1491
1492         if (PRVM_serveredictfloat(ent, sendcomplexanimation))
1493         {
1494                 cs->flags |= RENDER_COMPLEXANIMATION;
1495                 if (PRVM_serveredictfloat(ent, skeletonindex) >= 1)
1496                         cs->skeletonobject = ent->priv.server->skeleton;
1497                 cs->framegroupblend[0].frame = PRVM_serveredictfloat(ent, frame);
1498                 cs->framegroupblend[1].frame = PRVM_serveredictfloat(ent, frame2);
1499                 cs->framegroupblend[2].frame = PRVM_serveredictfloat(ent, frame3);
1500                 cs->framegroupblend[3].frame = PRVM_serveredictfloat(ent, frame4);
1501                 cs->framegroupblend[0].start = PRVM_serveredictfloat(ent, frame1time);
1502                 cs->framegroupblend[1].start = PRVM_serveredictfloat(ent, frame2time);
1503                 cs->framegroupblend[2].start = PRVM_serveredictfloat(ent, frame3time);
1504                 cs->framegroupblend[3].start = PRVM_serveredictfloat(ent, frame4time);
1505                 cs->framegroupblend[1].lerp = PRVM_serveredictfloat(ent, lerpfrac);
1506                 cs->framegroupblend[2].lerp = PRVM_serveredictfloat(ent, lerpfrac3);
1507                 cs->framegroupblend[3].lerp = PRVM_serveredictfloat(ent, lerpfrac4);
1508                 cs->framegroupblend[0].lerp = 1.0f - cs->framegroupblend[1].lerp - cs->framegroupblend[2].lerp - cs->framegroupblend[3].lerp;
1509                 cs->frame = 0; // don't need the legacy frame
1510         }
1511
1512         cs->light[0] = light[0];
1513         cs->light[1] = light[1];
1514         cs->light[2] = light[2];
1515         cs->light[3] = light[3];
1516         cs->lightstyle = lightstyle;
1517         cs->lightpflags = lightpflags;
1518
1519         cs->specialvisibilityradius = specialvisibilityradius;
1520
1521         // calculate the visible box of this entity (don't use the physics box
1522         // as that is often smaller than a model, and would not count
1523         // specialvisibilityradius)
1524         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1525         {
1526                 float scale = cs->scale * (1.0f / 16.0f);
1527                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1528                 {
1529                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1530                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1531                 }
1532                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1533                 {
1534                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1535                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1536                 }
1537                 else
1538                 {
1539                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1540                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1541                 }
1542         }
1543         else
1544         {
1545                 // if there is no model (or it could not be loaded), use the physics box
1546                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, mins), cullmins);
1547                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, maxs), cullmaxs);
1548         }
1549         if (specialvisibilityradius)
1550         {
1551                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1552                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1553                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1554                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1555                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1556                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1557         }
1558
1559         // calculate center of bbox for network prioritization purposes
1560         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1561
1562         // if culling box has moved, update pvs cluster links
1563         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1564         {
1565                 VectorCopy(cullmins, ent->priv.server->cullmins);
1566                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1567                 // a value of -1 for pvs_numclusters indicates that the links are not
1568                 // cached, and should be re-tested each time, this is the case if the
1569                 // culling box touches too many pvs clusters to store, or if the world
1570                 // model does not support FindBoxClusters
1571                 ent->priv.server->pvs_numclusters = -1;
1572                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1573                 {
1574                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1575                         if (i <= MAX_ENTITYCLUSTERS)
1576                                 ent->priv.server->pvs_numclusters = i;
1577                 }
1578         }
1579
1580         // we need to do some csqc entity upkeep here
1581         // get self.SendFlags and clear them
1582         // (to let the QC know that they've been read)
1583         if (sendentity)
1584         {
1585                 sendflags = (unsigned int)PRVM_serveredictfloat(ent, SendFlags);
1586                 PRVM_serveredictfloat(ent, SendFlags) = 0;
1587                 // legacy self.Version system
1588                 if ((version = (unsigned int)PRVM_serveredictfloat(ent, Version)))
1589                 {
1590                         if (sv.csqcentityversion[enumber] != version)
1591                                 sendflags = 0xFFFFFF;
1592                         sv.csqcentityversion[enumber] = version;
1593                 }
1594                 // move sendflags into the per-client sendflags
1595                 if (sendflags)
1596                         for (i = 0;i < svs.maxclients;i++)
1597                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1598                 // mark it as inactive for non-csqc networking
1599                 cs->active = ACTIVE_SHARED;
1600         }
1601
1602         return true;
1603 }
1604
1605 static void SV_PrepareEntitiesForSending(void)
1606 {
1607         prvm_prog_t *prog = SVVM_prog;
1608         int e;
1609         prvm_edict_t *ent;
1610         // send all entities that touch the pvs
1611         sv.numsendentities = 0;
1612         sv.sendentitiesindex[0] = NULL;
1613         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1614         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1615         {
1616                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1617                 {
1618                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1619                         sv.numsendentities++;
1620                 }
1621         }
1622 }
1623
1624 #define MAX_LINEOFSIGHTTRACES 64
1625
1626 qboolean SV_CanSeeBox(int numtraces, vec_t eyejitter, vec_t enlarge, vec_t entboxexpand, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1627 {
1628         prvm_prog_t *prog = SVVM_prog;
1629         float pitchsign;
1630         float alpha;
1631         float starttransformed[3], endtransformed[3];
1632         float boxminstransformed[3], boxmaxstransformed[3];
1633         float localboxcenter[3], localboxextents[3], localboxmins[3], localboxmaxs[3];
1634         int blocked = 0;
1635         int traceindex;
1636         int originalnumtouchedicts;
1637         int numtouchedicts = 0;
1638         int touchindex;
1639         matrix4x4_t matrix, imatrix;
1640         dp_model_t *model;
1641         prvm_edict_t *touch;
1642         static prvm_edict_t *touchedicts[MAX_EDICTS];
1643         vec3_t eyemins, eyemaxs, start;
1644         vec3_t boxmins, boxmaxs;
1645         vec3_t clipboxmins, clipboxmaxs;
1646         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1647
1648         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1649
1650         // jitter the eye location within this box
1651         eyemins[0] = eye[0] - eyejitter;
1652         eyemaxs[0] = eye[0] + eyejitter;
1653         eyemins[1] = eye[1] - eyejitter;
1654         eyemaxs[1] = eye[1] + eyejitter;
1655         eyemins[2] = eye[2] - eyejitter;
1656         eyemaxs[2] = eye[2] + eyejitter;
1657         // expand the box a little
1658         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0] - entboxexpand;
1659         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0] + entboxexpand;
1660         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1] - entboxexpand;
1661         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1] + entboxexpand;
1662         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2] - entboxexpand;
1663         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2] + entboxexpand;
1664
1665         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1666         for (traceindex = 1;traceindex < numtraces;traceindex++)
1667                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1668
1669         // calculate sweep box for the entire swarm of traces
1670         VectorCopy(eyemins, clipboxmins);
1671         VectorCopy(eyemaxs, clipboxmaxs);
1672         for (traceindex = 0;traceindex < numtraces;traceindex++)
1673         {
1674                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1675                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1676                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1677                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1678                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1679                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1680         }
1681
1682         // get the list of entities in the sweep box
1683         if (sv_cullentities_trace_entityocclusion.integer)
1684                 numtouchedicts = SV_EntitiesInBox(clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1685         if (numtouchedicts > MAX_EDICTS)
1686         {
1687                 // this never happens
1688                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1689                 numtouchedicts = MAX_EDICTS;
1690         }
1691         // iterate the entities found in the sweep box and filter them
1692         originalnumtouchedicts = numtouchedicts;
1693         numtouchedicts = 0;
1694         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1695         {
1696                 touch = touchedicts[touchindex];
1697                 if (PRVM_serveredictfloat(touch, solid) != SOLID_BSP)
1698                         continue;
1699                 model = SV_GetModelFromEdict(touch);
1700                 if (!model || !model->brush.TraceLineOfSight)
1701                         continue;
1702                 // skip obviously transparent entities
1703                 alpha = PRVM_serveredictfloat(touch, alpha);
1704                 if (alpha && alpha < 1)
1705                         continue;
1706                 if ((int)PRVM_serveredictfloat(touch, effects) & EF_ADDITIVE)
1707                         continue;
1708                 touchedicts[numtouchedicts++] = touch;
1709         }
1710
1711         // now that we have a filtered list of "interesting" entities, fire each
1712         // ray against all of them, this gives us an early-out case when something
1713         // is visible (which it often is)
1714
1715         for (traceindex = 0;traceindex < numtraces;traceindex++)
1716         {
1717                 VectorSet(start, lhrandom(eyemins[0], eyemaxs[0]), lhrandom(eyemins[1], eyemaxs[1]), lhrandom(eyemins[2], eyemaxs[2]));
1718                 // check world occlusion
1719                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1720                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, start, endpoints[traceindex], boxmins, boxmaxs))
1721                                 continue;
1722                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1723                 {
1724                         touch = touchedicts[touchindex];
1725                         model = SV_GetModelFromEdict(touch);
1726                         if(model && model->brush.TraceLineOfSight)
1727                         {
1728                                 // get the entity matrix
1729                                 pitchsign = SV_GetPitchSign(prog, touch);
1730                                 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);
1731                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1732                                 // see if the ray hits this entity
1733                                 Matrix4x4_Transform(&imatrix, start, starttransformed);
1734                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1735                                 Matrix4x4_Transform(&imatrix, boxmins, boxminstransformed);
1736                                 Matrix4x4_Transform(&imatrix, boxmaxs, boxmaxstransformed);
1737                                 // transform the AABB to local space
1738                                 VectorMAM(0.5f, boxminstransformed, 0.5f, boxmaxstransformed, localboxcenter);
1739                                 localboxextents[0] = fabs(boxmaxstransformed[0] - localboxcenter[0]);
1740                                 localboxextents[1] = fabs(boxmaxstransformed[1] - localboxcenter[1]);
1741                                 localboxextents[2] = fabs(boxmaxstransformed[2] - localboxcenter[2]);
1742                                 localboxmins[0] = localboxcenter[0] - localboxextents[0];
1743                                 localboxmins[1] = localboxcenter[1] - localboxextents[1];
1744                                 localboxmins[2] = localboxcenter[2] - localboxextents[2];
1745                                 localboxmaxs[0] = localboxcenter[0] + localboxextents[0];
1746                                 localboxmaxs[1] = localboxcenter[1] + localboxextents[1];
1747                                 localboxmaxs[2] = localboxcenter[2] + localboxextents[2];
1748                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed, localboxmins, localboxmaxs))
1749                                 {
1750                                         blocked++;
1751                                         break;
1752                                 }
1753                         }
1754                 }
1755                 // check if the ray was blocked
1756                 if (touchindex < numtouchedicts)
1757                         continue;
1758                 // return if the ray was not blocked
1759                 return true;
1760         }
1761
1762         // no rays survived
1763         return false;
1764 }
1765
1766 static void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1767 {
1768         prvm_prog_t *prog = SVVM_prog;
1769         int isbmodel;
1770         dp_model_t *model;
1771         prvm_edict_t *ed;
1772         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1773                 return;
1774         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1775         sv.writeentitiestoclient_stats_totalentities++;
1776
1777         if (s->customizeentityforclient)
1778         {
1779                 PRVM_serverglobalfloat(time) = sv.time;
1780                 PRVM_serverglobaledict(self) = s->number;
1781                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1782                 prog->ExecuteProgram(prog, s->customizeentityforclient, "customizeentityforclient: NULL function");
1783                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1784                         return;
1785         }
1786
1787         // never reject player
1788         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1789         {
1790                 // check various rejection conditions
1791                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1792                         return;
1793                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1794                         return;
1795                 if (s->effects & EF_NODRAW)
1796                         return;
1797                 // LadyHavoc: only send entities with a model or important effects
1798                 if (!s->modelindex && s->specialvisibilityradius == 0)
1799                         return;
1800
1801                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1802                 // viewmodels don't have visibility checking
1803                 if (s->viewmodelforclient)
1804                 {
1805                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1806                                 return;
1807                 }
1808                 else if (s->tagentity)
1809                 {
1810                         // tag attached entities simply check their parent
1811                         if (!sv.sendentitiesindex[s->tagentity])
1812                                 return;
1813                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1814                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1815                                 return;
1816                 }
1817                 // always send world submodels in newer protocols because they don't
1818                 // generate much traffic (in old protocols they hog bandwidth)
1819                 // but only if sv_cullentities_nevercullbmodels is off
1820                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1821                 {
1822                         // entity has survived every check so far, check if visible
1823                         ed = PRVM_EDICT_NUM(s->number);
1824
1825                         // if not touching a visible leaf
1826                         if (sv_cullentities_pvs.integer && !r_novis.integer && !r_trippy.integer && sv.writeentitiestoclient_pvsbytes)
1827                         {
1828                                 if (ed->priv.server->pvs_numclusters < 0)
1829                                 {
1830                                         // entity too big for clusters list
1831                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1832                                         {
1833                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1834                                                 return;
1835                                         }
1836                                 }
1837                                 else
1838                                 {
1839                                         int i;
1840                                         // check cached clusters list
1841                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1842                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1843                                                         break;
1844                                         if (i == ed->priv.server->pvs_numclusters)
1845                                         {
1846                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1847                                                 return;
1848                                         }
1849                                 }
1850                         }
1851
1852                         // or not seen by random tracelines
1853                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight && !r_trippy.integer)
1854                         {
1855                                 int samples =
1856                                         s->number <= svs.maxclients
1857                                                 ? sv_cullentities_trace_samples_players.integer
1858                                                 :
1859                                         s->specialvisibilityradius
1860                                                 ? sv_cullentities_trace_samples_extra.integer
1861                                                 : sv_cullentities_trace_samples.integer;
1862                                 float enlarge = sv_cullentities_trace_enlarge.value;
1863
1864                                 if(samples > 0)
1865                                 {
1866                                         int eyeindex;
1867                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1868                                                 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))
1869                                                         break;
1870                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1871                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1872                                                         host.realtime + (
1873                                                                 s->number <= svs.maxclients
1874                                                                         ? sv_cullentities_trace_delay_players.value
1875                                                                         : sv_cullentities_trace_delay.value
1876                                                         );
1877                                         else if (host.realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1878                                         {
1879                                                 sv.writeentitiestoclient_stats_culled_trace++;
1880                                                 return;
1881                                         }
1882                                 }
1883                         }
1884                 }
1885         }
1886
1887         // this just marks it for sending
1888         // FIXME: it would be more efficient to send here, but the entity
1889         // compressor isn't that flexible
1890         sv.writeentitiestoclient_stats_visibleentities++;
1891         sv.sententities[s->number] = sv.sententitiesmark;
1892 }
1893
1894 #if MAX_LEVELNETWORKEYES > 0
1895 #define MAX_EYE_RECURSION 1 // increase if recursion gets supported by portals
1896 static void SV_AddCameraEyes(void)
1897 {
1898         prvm_prog_t *prog = SVVM_prog;
1899         int e, i, j, k;
1900         prvm_edict_t *ed;
1901         static int cameras[MAX_LEVELNETWORKEYES];
1902         static vec3_t camera_origins[MAX_LEVELNETWORKEYES];
1903         static int eye_levels[MAX_CLIENTNETWORKEYES];
1904         int n_cameras = 0;
1905         vec3_t mi, ma;
1906
1907         for(i = 0; i < sv.writeentitiestoclient_numeyes; ++i)
1908                 eye_levels[i] = 0;
1909
1910         // check line of sight to portal entities and add them to PVS
1911         for (e = 1, ed = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ed = PRVM_NEXT_EDICT(ed))
1912         {
1913                 if (!ed->priv.server->free)
1914                 {
1915                         if(PRVM_serveredictfunction(ed, camera_transform))
1916                         {
1917                                 PRVM_serverglobalfloat(time) = sv.time;
1918                                 PRVM_serverglobaledict(self) = e;
1919                                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1920                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_serverglobalvector(trace_endpos));
1921                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_G_VECTOR(OFS_PARM0));
1922                                 VectorClear(PRVM_G_VECTOR(OFS_PARM1));
1923                                 prog->ExecuteProgram(prog, PRVM_serveredictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1924                                 if(!VectorCompare(PRVM_serverglobalvector(trace_endpos), sv.writeentitiestoclient_eyes[0]))
1925                                 {
1926                                         VectorCopy(PRVM_serverglobalvector(trace_endpos), camera_origins[n_cameras]);
1927                                         cameras[n_cameras] = e;
1928                                         ++n_cameras;
1929                                         if(n_cameras >= MAX_LEVELNETWORKEYES)
1930                                                 break;
1931                                 }
1932                         }
1933                 }
1934         }
1935
1936         if(!n_cameras)
1937                 return;
1938
1939         // i is loop counter, is reset to 0 when an eye got added
1940         // j is camera index to check
1941         for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras)
1942         {
1943                 if(!cameras[j])
1944                         continue;
1945                 ed = PRVM_EDICT_NUM(cameras[j]);
1946                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, mins), mi);
1947                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, maxs), ma);
1948                 for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k)
1949                 if(eye_levels[k] <= MAX_EYE_RECURSION)
1950                 {
1951                         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))
1952                         {
1953                                 eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1;
1954                                 VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1955                                 // 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);
1956                                 sv.writeentitiestoclient_numeyes++;
1957                                 cameras[j] = 0;
1958                                 i = 0;
1959                                 break;
1960                         }
1961                 }
1962         }
1963 }
1964 #else
1965 void SV_AddCameraEyes(void)
1966 {
1967 }
1968 #endif
1969
1970 static void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1971 {
1972         prvm_prog_t *prog = SVVM_prog;
1973         qboolean need_empty = false;
1974         int i, numsendstates, numcsqcsendstates;
1975         entity_state_t *s;
1976         prvm_edict_t *camera;
1977         qboolean success;
1978         vec3_t eye;
1979
1980         // if there isn't enough space to accomplish anything, skip it
1981         if (msg->cursize + 25 > maxsize)
1982                 return;
1983
1984         sv.writeentitiestoclient_msg = msg;
1985         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1986
1987         sv.writeentitiestoclient_stats_culled_pvs = 0;
1988         sv.writeentitiestoclient_stats_culled_trace = 0;
1989         sv.writeentitiestoclient_stats_visibleentities = 0;
1990         sv.writeentitiestoclient_stats_totalentities = 0;
1991         sv.writeentitiestoclient_numeyes = 0;
1992
1993         // get eye location
1994         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LadyHavoc: for comparison purposes
1995         camera = PRVM_EDICT_NUM( client->clientcamera );
1996         VectorAdd(PRVM_serveredictvector(camera, origin), PRVM_serveredictvector(clent, view_ofs), eye);
1997         sv.writeentitiestoclient_pvsbytes = 0;
1998         // get the PVS values for the eye location, later FatPVS calls will merge
1999         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
2000                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
2001
2002         // add the eye to a list for SV_CanSeeBox tests
2003         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
2004         sv.writeentitiestoclient_numeyes++;
2005
2006         // calculate predicted eye origin for SV_CanSeeBox tests
2007         if (sv_cullentities_trace_prediction.integer)
2008         {
2009                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
2010                 vec3_t predeye;
2011                 VectorMA(eye, predtime, PRVM_serveredictvector(camera, velocity), predeye);
2012                 if (SV_CanSeeBox(1, 0, 0, 0, eye, predeye, predeye))
2013                 {
2014                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
2015                         sv.writeentitiestoclient_numeyes++;
2016                 }
2017                 //if (!sv.writeentitiestoclient_useprediction)
2018                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
2019         }
2020
2021         SV_AddCameraEyes();
2022
2023         // build PVS from the new eyes
2024         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
2025                 for(i = 1; i < sv.writeentitiestoclient_numeyes; ++i)
2026                         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);
2027
2028         sv.sententitiesmark++;
2029
2030         for (i = 0;i < sv.numsendentities;i++)
2031                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
2032
2033         numsendstates = 0;
2034         numcsqcsendstates = 0;
2035         for (i = 0;i < sv.numsendentities;i++)
2036         {
2037                 s = &sv.sendentities[i];
2038                 if (sv.sententities[s->number] == sv.sententitiesmark)
2039                 {
2040                         if(s->active == ACTIVE_NETWORK)
2041                         {
2042                                 if (s->exteriormodelforclient)
2043                                 {
2044                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
2045                                                 s->flags |= RENDER_EXTERIORMODEL;
2046                                         else
2047                                                 s->flags &= ~RENDER_EXTERIORMODEL;
2048                                 }
2049                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
2050                         }
2051                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
2052                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
2053                         else
2054                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
2055                 }
2056         }
2057
2058         if (sv_cullentities_stats.integer)
2059                 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);
2060
2061         if(client->entitydatabase5)
2062                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
2063         else
2064                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
2065
2066         // force every 16th frame to be not empty (or cl_movement replay takes
2067         // too long)
2068         // BTW, this should normally not kick in any more due to the check
2069         // below, except if the client stopped sending movement frames
2070         if(client->num_skippedentityframes >= 16)
2071                 need_empty = true;
2072
2073         // help cl_movement a bit more
2074         if(client->movesequence != client->lastmovesequence)
2075                 need_empty = true;
2076         client->lastmovesequence = client->movesequence;
2077
2078         if (client->entitydatabase5)
2079                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
2080         else if (client->entitydatabase4)
2081         {
2082                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
2083                 Protocol_WriteStatsReliable();
2084         }
2085         else if (client->entitydatabase)
2086         {
2087                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
2088                 Protocol_WriteStatsReliable();
2089         }
2090         else
2091         {
2092                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
2093                 Protocol_WriteStatsReliable();
2094         }
2095
2096         if(success)
2097                 client->num_skippedentityframes = 0;
2098         else
2099                 ++client->num_skippedentityframes;
2100 }
2101
2102 /*
2103 =============
2104 SV_CleanupEnts
2105
2106 =============
2107 */
2108 static void SV_CleanupEnts (void)
2109 {
2110         prvm_prog_t *prog = SVVM_prog;
2111         int             e;
2112         prvm_edict_t    *ent;
2113
2114         ent = PRVM_NEXT_EDICT(prog->edicts);
2115         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
2116                 PRVM_serveredictfloat(ent, effects) = (int)PRVM_serveredictfloat(ent, effects) & ~EF_MUZZLEFLASH;
2117 }
2118
2119 /*
2120 ==================
2121 SV_WriteClientdataToMessage
2122
2123 ==================
2124 */
2125 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
2126 {
2127         prvm_prog_t *prog = SVVM_prog;
2128         int             bits;
2129         int             i;
2130         prvm_edict_t    *other;
2131         int             items;
2132         vec3_t  punchvector;
2133         int             viewzoom;
2134         const char *s;
2135         float   *statsf = (float *)stats;
2136         float gravity;
2137
2138 //
2139 // send a damage message
2140 //
2141         if (PRVM_serveredictfloat(ent, dmg_take) || PRVM_serveredictfloat(ent, dmg_save))
2142         {
2143                 other = PRVM_PROG_TO_EDICT(PRVM_serveredictedict(ent, dmg_inflictor));
2144                 MSG_WriteByte (msg, svc_damage);
2145                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_save));
2146                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_take));
2147                 for (i=0 ; i<3 ; i++)
2148                         MSG_WriteCoord (msg, PRVM_serveredictvector(other, origin)[i] + 0.5*(PRVM_serveredictvector(other, mins)[i] + PRVM_serveredictvector(other, maxs)[i]), sv.protocol);
2149
2150                 PRVM_serveredictfloat(ent, dmg_take) = 0;
2151                 PRVM_serveredictfloat(ent, dmg_save) = 0;
2152         }
2153
2154 //
2155 // send the current viewpos offset from the view entity
2156 //
2157         SV_SetIdealPitch ();            // how much to look up / down ideally
2158
2159 // a fixangle might get lost in a dropped packet.  Oh well.
2160         if(PRVM_serveredictfloat(ent, fixangle))
2161         {
2162                 // angle fixing was requested by global thinking code...
2163                 // so store the current angles for later use
2164                 VectorCopy(PRVM_serveredictvector(ent, angles), host_client->fixangle_angles);
2165                 host_client->fixangle_angles_set = true;
2166
2167                 // and clear fixangle for the next frame
2168                 PRVM_serveredictfloat(ent, fixangle) = 0;
2169         }
2170
2171         if (host_client->fixangle_angles_set)
2172         {
2173                 MSG_WriteByte (msg, svc_setangle);
2174                 for (i=0 ; i < 3 ; i++)
2175                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
2176                 host_client->fixangle_angles_set = false;
2177         }
2178
2179         // the runes are in serverflags, pack them into the items value, also pack
2180         // in the items2 value for mission pack huds
2181         // (used only in the mission packs, which do not use serverflags)
2182         items = (int)PRVM_serveredictfloat(ent, items) | ((int)PRVM_serveredictfloat(ent, items2) << 23) | ((int)PRVM_serverglobalfloat(serverflags) << 28);
2183
2184         VectorCopy(PRVM_serveredictvector(ent, punchvector), punchvector);
2185
2186         // cache weapon model name and index in client struct to save time
2187         // (this search can be almost 1% of cpu time!)
2188         s = PRVM_GetString(prog, PRVM_serveredictstring(ent, weaponmodel));
2189         if (strcmp(s, client->weaponmodel))
2190         {
2191                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
2192                 client->weaponmodelindex = SV_ModelIndex(s, 1);
2193         }
2194
2195         viewzoom = (int)(PRVM_serveredictfloat(ent, viewzoom) * 255.0f);
2196         if (viewzoom == 0)
2197                 viewzoom = 255;
2198
2199         bits = 0;
2200
2201         if ((int)PRVM_serveredictfloat(ent, flags) & FL_ONGROUND)
2202                 bits |= SU_ONGROUND;
2203         if (PRVM_serveredictfloat(ent, waterlevel) >= 2)
2204                 bits |= SU_INWATER;
2205         if (PRVM_serveredictfloat(ent, idealpitch))
2206                 bits |= SU_IDEALPITCH;
2207
2208         for (i=0 ; i<3 ; i++)
2209         {
2210                 if (PRVM_serveredictvector(ent, punchangle)[i])
2211                         bits |= (SU_PUNCH1<<i);
2212                 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)
2213                         if (punchvector[i])
2214                                 bits |= (SU_PUNCHVEC1<<i);
2215                 if (PRVM_serveredictvector(ent, velocity)[i])
2216                         bits |= (SU_VELOCITY1<<i);
2217         }
2218
2219         gravity = PRVM_serveredictfloat(ent, gravity);if (!gravity) gravity = 1.0f;
2220
2221         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
2222         stats[STAT_VIEWHEIGHT] = (int)PRVM_serveredictvector(ent, view_ofs)[2];
2223         stats[STAT_ITEMS] = items;
2224         stats[STAT_WEAPONFRAME] = (int)PRVM_serveredictfloat(ent, weaponframe);
2225         stats[STAT_ARMOR] = (int)PRVM_serveredictfloat(ent, armorvalue);
2226         stats[STAT_WEAPON] = client->weaponmodelindex;
2227         stats[STAT_HEALTH] = (int)PRVM_serveredictfloat(ent, health);
2228         stats[STAT_AMMO] = (int)PRVM_serveredictfloat(ent, currentammo);
2229         stats[STAT_SHELLS] = (int)PRVM_serveredictfloat(ent, ammo_shells);
2230         stats[STAT_NAILS] = (int)PRVM_serveredictfloat(ent, ammo_nails);
2231         stats[STAT_ROCKETS] = (int)PRVM_serveredictfloat(ent, ammo_rockets);
2232         stats[STAT_CELLS] = (int)PRVM_serveredictfloat(ent, ammo_cells);
2233         stats[STAT_ACTIVEWEAPON] = (int)PRVM_serveredictfloat(ent, weapon);
2234         stats[STAT_VIEWZOOM] = viewzoom;
2235         stats[STAT_TOTALSECRETS] = (int)PRVM_serverglobalfloat(total_secrets);
2236         stats[STAT_TOTALMONSTERS] = (int)PRVM_serverglobalfloat(total_monsters);
2237         // the QC bumps these itself by sending svc_'s, so we have to keep them
2238         // zero or they'll be corrected by the engine
2239         //stats[STAT_SECRETS] = PRVM_serverglobalfloat(found_secrets);
2240         //stats[STAT_MONSTERS] = PRVM_serverglobalfloat(killed_monsters);
2241
2242         if(!sv_gameplayfix_customstats.integer)
2243         {
2244                 statsf[STAT_MOVEVARS_AIRACCEL_QW_STRETCHFACTOR] = sv_airaccel_qw_stretchfactor.value;
2245                 statsf[STAT_MOVEVARS_AIRCONTROL_PENALTY] = sv_aircontrol_penalty.value;
2246                 statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW] = sv_airspeedlimit_nonqw.value;
2247                 statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value;
2248                 statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value;
2249                 // movement settings for prediction
2250                 // note: these are not sent in protocols with lower MAX_CL_STATS limits
2251                 stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
2252                         | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
2253                         | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0)
2254                         | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0)
2255                 ;
2256                 statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
2257                 statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
2258                 statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
2259                 statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
2260                 statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
2261                 statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
2262                 statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
2263                 statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
2264                 statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
2265                 statsf[STAT_FRAGLIMIT] = fraglimit.value;
2266                 statsf[STAT_TIMELIMIT] = timelimit.value;
2267                 statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
2268                 statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
2269                 statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
2270                 statsf[STAT_MOVEVARS_TIMESCALE] = host_timescale.value;
2271                 statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
2272                 statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
2273                 statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
2274                 statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
2275                 statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
2276                 statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
2277                 statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
2278                 statsf[STAT_MOVEVARS_ENTGRAVITY] = gravity;
2279                 statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
2280                 statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
2281                 statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
2282                 statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
2283                 statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
2284                 statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
2285         }
2286
2287         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)
2288         {
2289                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
2290                 bits |= SU_ITEMS;
2291                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
2292                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
2293                 bits |= SU_WEAPON;
2294                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
2295                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2296                         if (viewzoom != 255)
2297                                 bits |= SU_VIEWZOOM;
2298         }
2299
2300         if (bits >= 65536)
2301                 bits |= SU_EXTEND1;
2302         if (bits >= 16777216)
2303                 bits |= SU_EXTEND2;
2304
2305         // send the data
2306         MSG_WriteByte (msg, svc_clientdata);
2307         MSG_WriteShort (msg, bits);
2308         if (bits & SU_EXTEND1)
2309                 MSG_WriteByte(msg, bits >> 16);
2310         if (bits & SU_EXTEND2)
2311                 MSG_WriteByte(msg, bits >> 24);
2312
2313         if (bits & SU_VIEWHEIGHT)
2314                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
2315
2316         if (bits & SU_IDEALPITCH)
2317                 MSG_WriteChar (msg, (int)PRVM_serveredictfloat(ent, idealpitch));
2318
2319         for (i=0 ; i<3 ; i++)
2320         {
2321                 if (bits & (SU_PUNCH1<<i))
2322                 {
2323                         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)
2324                                 MSG_WriteChar(msg, (int)PRVM_serveredictvector(ent, punchangle)[i]);
2325                         else
2326                                 MSG_WriteAngle16i(msg, PRVM_serveredictvector(ent, punchangle)[i]);
2327                 }
2328                 if (bits & (SU_PUNCHVEC1<<i))
2329                 {
2330                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2331                                 MSG_WriteCoord16i(msg, punchvector[i]);
2332                         else
2333                                 MSG_WriteCoord32f(msg, punchvector[i]);
2334                 }
2335                 if (bits & (SU_VELOCITY1<<i))
2336                 {
2337                         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)
2338                                 MSG_WriteChar(msg, (int)(PRVM_serveredictvector(ent, velocity)[i] * (1.0f / 16.0f)));
2339                         else
2340                                 MSG_WriteCoord32f(msg, PRVM_serveredictvector(ent, velocity)[i]);
2341                 }
2342         }
2343
2344         if (bits & SU_ITEMS)
2345                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
2346
2347         if (sv.protocol == PROTOCOL_DARKPLACES5)
2348         {
2349                 if (bits & SU_WEAPONFRAME)
2350                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
2351                 if (bits & SU_ARMOR)
2352                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
2353                 if (bits & SU_WEAPON)
2354                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
2355                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2356                 MSG_WriteShort (msg, stats[STAT_AMMO]);
2357                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
2358                 MSG_WriteShort (msg, stats[STAT_NAILS]);
2359                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
2360                 MSG_WriteShort (msg, stats[STAT_CELLS]);
2361                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
2362                 if (bits & SU_VIEWZOOM)
2363                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2364         }
2365         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)
2366         {
2367                 if (bits & SU_WEAPONFRAME)
2368                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
2369                 if (bits & SU_ARMOR)
2370                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
2371                 if (bits & SU_WEAPON)
2372                 {
2373                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2374                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
2375                         else
2376                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
2377                 }
2378                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2379                 MSG_WriteByte (msg, stats[STAT_AMMO]);
2380                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
2381                 MSG_WriteByte (msg, stats[STAT_NAILS]);
2382                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
2383                 MSG_WriteByte (msg, stats[STAT_CELLS]);
2384                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_QUOTH || IS_OLDNEXUIZ_DERIVED(gamemode))
2385                 {
2386                         for (i = 0;i < 32;i++)
2387                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
2388                                         break;
2389                         MSG_WriteByte (msg, i);
2390                 }
2391                 else
2392                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
2393                 if (bits & SU_VIEWZOOM)
2394                 {
2395                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2396                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
2397                         else
2398                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2399                 }
2400         }
2401 }
2402
2403 void SV_FlushBroadcastMessages(void)
2404 {
2405         int i;
2406         client_t *client;
2407         if (sv.datagram.cursize <= 0)
2408                 return;
2409         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2410         {
2411                 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])))
2412                         continue;
2413                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2414                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2415         }
2416         SZ_Clear(&sv.datagram);
2417 }
2418
2419 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2420 {
2421         // scan the splitpoints to find out how many we can fit in
2422         int numsegments, j, split;
2423         if (!client->unreliablemsg_splitpoints)
2424                 return;
2425         // always accept the first one if it's within 1024 bytes, this ensures
2426         // that very big datagrams which are over the rate limit still get
2427         // through, just to keep it working
2428         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2429                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2430                         break;
2431         // the first segment gets an exemption from the rate limiting, otherwise
2432         // it could get dropped consistently due to a low rate limit
2433         if (numsegments == 1)
2434                 maxsize = maxsize2;
2435         // some will fit, so add the ones that will fit
2436         split = client->unreliablemsg_splitpoint[numsegments-1];
2437         // note this discards ones that were accepted by the segments scan but
2438         // can not fit, such as a really huge first one that will never ever
2439         // fit in a packet...
2440         if (msg->cursize + split <= maxsize)
2441                 SZ_Write(msg, client->unreliablemsg.data, split);
2442         // remove the part we sent, keeping any remaining data
2443         client->unreliablemsg.cursize -= split;
2444         if (client->unreliablemsg.cursize > 0)
2445                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2446         // adjust remaining splitpoints
2447         client->unreliablemsg_splitpoints -= numsegments;
2448         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2449                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2450 }
2451
2452 /*
2453 =======================
2454 SV_SendClientDatagram
2455 =======================
2456 */
2457 static void SV_SendClientDatagram (client_t *client)
2458 {
2459         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2460         sizebuf_t msg;
2461         int stats[MAX_CL_STATS];
2462         static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2463         double timedelta;
2464
2465         // obey rate limit by limiting packet frequency if the packet size
2466         // limiting fails
2467         // (usually this is caused by reliable messages)
2468         if (!NetConn_CanSend(client->netconnection))
2469                 return;
2470
2471         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2472         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2473         if (sv_maxrate.integer != maxrate)
2474                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2475
2476         // clientrate determines the 'cleartime' of a packet
2477         // (how long to wait before sending another, based on this packet's size)
2478         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2479
2480         switch (sv.protocol)
2481         {
2482         case PROTOCOL_QUAKE:
2483         case PROTOCOL_QUAKEDP:
2484         case PROTOCOL_NEHAHRAMOVIE:
2485         case PROTOCOL_NEHAHRABJP:
2486         case PROTOCOL_NEHAHRABJP2:
2487         case PROTOCOL_NEHAHRABJP3:
2488         case PROTOCOL_QUAKEWORLD:
2489                 // no packet size limit support on Quake protocols because it just
2490                 // causes missing entities/effects
2491                 // packets are simply sent less often to obey the rate limit
2492                 maxsize = 1024;
2493                 maxsize2 = 1024;
2494                 break;
2495         case PROTOCOL_DARKPLACES1:
2496         case PROTOCOL_DARKPLACES2:
2497         case PROTOCOL_DARKPLACES3:
2498         case PROTOCOL_DARKPLACES4:
2499                 // no packet size limit support on DP1-4 protocols because they kick
2500                 // the client off if they overflow, and miss effects
2501                 // packets are simply sent less often to obey the rate limit
2502                 maxsize = sizeof(sv_sendclientdatagram_buf);
2503                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2504                 break;
2505         default:
2506                 // DP5 and later protocols support packet size limiting which is a
2507                 // better method than limiting packet frequency as QW does
2508                 //
2509                 // at very low rates (or very small sys_ticrate) the packet size is
2510                 // not reduced below 128, but packets may be sent less often
2511
2512                 // how long are bursts?
2513                 timedelta = host_client->rate_burstsize / (double)client->rate;
2514
2515                 // how much of the burst do we keep reserved?
2516                 timedelta *= 1 - net_burstreserve.value;
2517
2518                 // only try to use excess time
2519                 timedelta = bound(0, host.realtime - host_client->netconnection->cleartime, timedelta);
2520
2521                 // but we know next packet will be in sys_ticrate, so we can use up THAT bandwidth
2522                 timedelta += sys_ticrate.value;
2523
2524                 // note: packet overhead (not counted in maxsize) is 28 bytes
2525                 maxsize = (int)(clientrate * timedelta) - 28;
2526
2527                 // put it in sound bounds
2528                 maxsize = bound(128, maxsize, 1400);
2529                 maxsize2 = 1400;
2530
2531                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2532                 // mods that use csqc (they are likely to use less bandwidth anyway)
2533                 if((net_usesizelimit.integer == 1) ? (sv.csqc_progsize > 0) : (net_usesizelimit.integer < 1))
2534                         maxsize = maxsize2;
2535
2536                 break;
2537         }
2538
2539         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2540         {
2541                 // for good singleplayer, send huge packets
2542                 maxsize = sizeof(sv_sendclientdatagram_buf);
2543                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2544                 // never limit frequency in singleplayer
2545                 clientrate = 1000000000;
2546         }
2547
2548         // while downloading, limit entity updates to half the packet
2549         // (any leftover space will be used for downloading)
2550         if (host_client->download_file)
2551                 maxsize /= 2;
2552
2553         msg.data = sv_sendclientdatagram_buf;
2554         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2555         msg.cursize = 0;
2556         msg.allowoverflow = false;
2557
2558         if (host_client->begun)
2559         {
2560                 // the player is in the game
2561                 MSG_WriteByte (&msg, svc_time);
2562                 MSG_WriteFloat (&msg, sv.time);
2563
2564                 // add the client specific data to the datagram
2565                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2566                 // now update the stats[] array using any registered custom fields
2567                 VM_SV_UpdateCustomStats(client, client->edict, &msg, stats);
2568                 // set host_client->statsdeltabits
2569                 Protocol_UpdateClientStats (stats);
2570
2571                 // add as many queued unreliable messages (effects) as we can fit
2572                 // limit effects to half of the remaining space
2573                 if (client->unreliablemsg.cursize)
2574                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2575
2576                 // now write as many entities as we can fit, and also sends stats
2577                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2578         }
2579         else if (host.realtime > client->keepalivetime)
2580         {
2581                 // the player isn't totally in the game yet
2582                 // send small keepalive messages if too much time has passed
2583                 // (may also be sending downloads)
2584                 client->keepalivetime = host.realtime + 5;
2585                 MSG_WriteChar (&msg, svc_nop);
2586         }
2587
2588         // if a download is active, see if there is room to fit some download data
2589         // in this packet
2590         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2591         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2592         {
2593                 fs_offset_t downloadstart;
2594                 unsigned char data[1400];
2595                 downloadstart = FS_Tell(host_client->download_file);
2596                 downloadsize = min(downloadsize, (int)sizeof(data));
2597                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2598                 // note this sends empty messages if at the end of the file, which is
2599                 // necessary to keep the packet loss logic working
2600                 // (the last blocks may be lost and need to be re-sent, and that will
2601                 //  only occur if the client acks the empty end messages, revealing
2602                 //  a gap in the download progress, causing the last blocks to be
2603                 //  sent again)
2604                 MSG_WriteChar (&msg, svc_downloaddata);
2605                 MSG_WriteLong (&msg, downloadstart);
2606                 MSG_WriteShort (&msg, downloadsize);
2607                 if (downloadsize > 0)
2608                         SZ_Write (&msg, data, downloadsize);
2609         }
2610
2611         // reliable only if none is in progress
2612         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2613                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2614         // unreliable
2615         SV_WriteDemoMessage(client, &msg, false);
2616
2617 // send the datagram
2618         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->rate_burstsize, client->sendsignon == 2);
2619         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2620                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2621 }
2622
2623 /*
2624 =======================
2625 SV_UpdateToReliableMessages
2626 =======================
2627 */
2628 static void SV_UpdateToReliableMessages (void)
2629 {
2630         prvm_prog_t *prog = SVVM_prog;
2631         int i, j;
2632         client_t *client;
2633         const char *name;
2634         const char *model;
2635         const char *skin;
2636         int clientcamera;
2637
2638 // check for changes to be sent over the reliable streams
2639         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2640         {
2641                 // update the host_client fields we care about according to the entity fields
2642                 host_client->edict = PRVM_EDICT_NUM(i+1);
2643
2644                 // DP_SV_CLIENTNAME
2645                 name = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, netname));
2646                 if (name == NULL)
2647                         name = "";
2648                 // always point the string back at host_client->name to keep it safe
2649                 //strlcpy (host_client->name, name, sizeof (host_client->name));
2650                 if (name != host_client->name) // prevent buffer overlap SIGABRT on Mac OSX
2651                         strlcpy (host_client->name, name, sizeof (host_client->name));
2652                 PRVM_serveredictstring(host_client->edict, netname) = PRVM_SetEngineString(prog, host_client->name);
2653                 if (strcmp(host_client->old_name, host_client->name))
2654                 {
2655                         if (host_client->begun)
2656                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2657                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2658                         // send notification to all clients
2659                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2660                         MSG_WriteByte (&sv.reliable_datagram, i);
2661                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2662                         SV_WriteNetnameIntoDemo(host_client);
2663                 }
2664
2665                 // DP_SV_CLIENTCOLORS
2666                 host_client->colors = (int)PRVM_serveredictfloat(host_client->edict, clientcolors);
2667                 if (host_client->old_colors != host_client->colors)
2668                 {
2669                         host_client->old_colors = host_client->colors;
2670                         // send notification to all clients
2671                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2672                         MSG_WriteByte (&sv.reliable_datagram, i);
2673                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2674                 }
2675
2676                 // NEXUIZ_PLAYERMODEL
2677                 model = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, playermodel));
2678                 if (model == NULL)
2679                         model = "";
2680                 // always point the string back at host_client->name to keep it safe
2681                 //strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2682                 if (model != host_client->playermodel) // prevent buffer overlap SIGABRT on Mac OSX
2683                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2684                 PRVM_serveredictstring(host_client->edict, playermodel) = PRVM_SetEngineString(prog, host_client->playermodel);
2685
2686                 // NEXUIZ_PLAYERSKIN
2687                 skin = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, playerskin));
2688                 if (skin == NULL)
2689                         skin = "";
2690                 // always point the string back at host_client->name to keep it safe
2691                 //strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2692                 if (skin != host_client->playerskin) // prevent buffer overlap SIGABRT on Mac OSX
2693                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2694                 PRVM_serveredictstring(host_client->edict, playerskin) = PRVM_SetEngineString(prog, host_client->playerskin);
2695
2696                 // TODO: add an extension name for this [1/17/2008 Black]
2697                 clientcamera = PRVM_serveredictedict(host_client->edict, clientcamera);
2698                 if (clientcamera > 0)
2699                 {
2700                         int oldclientcamera = host_client->clientcamera;
2701                         if (clientcamera >= prog->max_edicts || PRVM_EDICT_NUM(clientcamera)->priv.required->free)
2702                                 clientcamera = PRVM_NUM_FOR_EDICT(host_client->edict);
2703                         host_client->clientcamera = clientcamera;
2704
2705                         if (oldclientcamera != host_client->clientcamera && host_client->netconnection)
2706                         {
2707                                 MSG_WriteByte(&host_client->netconnection->message, svc_setview);
2708                                 MSG_WriteShort(&host_client->netconnection->message, host_client->clientcamera);
2709                         }
2710                 }
2711
2712                 // frags
2713                 host_client->frags = (int)PRVM_serveredictfloat(host_client->edict, frags);
2714                 if(IS_OLDNEXUIZ_DERIVED(gamemode))
2715                         if(!host_client->begun && host_client->netconnection)
2716                                 host_client->frags = -666;
2717                 if (host_client->old_frags != host_client->frags)
2718                 {
2719                         host_client->old_frags = host_client->frags;
2720                         // send notification to all clients
2721                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2722                         MSG_WriteByte (&sv.reliable_datagram, i);
2723                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2724                 }
2725         }
2726
2727         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2728                 if (client->netconnection && (client->begun || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2729                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2730
2731         SZ_Clear (&sv.reliable_datagram);
2732 }
2733
2734
2735 /*
2736 =======================
2737 SV_SendClientMessages
2738 =======================
2739 */
2740 void SV_SendClientMessages(void)
2741 {
2742         int i, prepared = false;
2743
2744         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2745                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2746
2747         SV_FlushBroadcastMessages();
2748
2749 // update frags, names, etc
2750         SV_UpdateToReliableMessages();
2751
2752 // build individual updates
2753         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2754         {
2755                 if (!host_client->active)
2756                         continue;
2757                 if (!host_client->netconnection)
2758                         continue;
2759
2760                 if (host_client->netconnection->message.overflowed)
2761                 {
2762                         SV_DropClient (true);   // if the message couldn't send, kick off
2763                         continue;
2764                 }
2765
2766                 if (!prepared)
2767                 {
2768                         prepared = true;
2769                         // only prepare entities once per frame
2770                         SV_PrepareEntitiesForSending();
2771                 }
2772                 SV_SendClientDatagram(host_client);
2773         }
2774
2775 // clear muzzle flashes
2776         SV_CleanupEnts();
2777 }
2778
2779 static void SV_StartDownload_f(cmd_state_t *cmd)
2780 {
2781         if (host_client->download_file)
2782                 host_client->download_started = true;
2783 }
2784
2785 /*
2786  * Compression extension negotiation:
2787  *
2788  * Server to client:
2789  *   cl_serverextension_download 2
2790  *
2791  * Client to server:
2792  *   download <filename> <list of zero or more suppported compressions in order of preference>
2793  * e.g.
2794  *   download maps/map1.bsp lzo deflate huffman
2795  *
2796  * Server to client:
2797  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2798  * e.g.
2799  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2800  *
2801  * The server may choose not to compress the file by sending no compression name, like:
2802  *   cl_downloadbegin 345678 maps/map1.bsp
2803  *
2804  * NOTE: the "download" command may only specify compression algorithms if
2805  *       cl_serverextension_download is 2!
2806  *       If cl_serverextension_download has a different value, the client must
2807  *       assume this extension is not supported!
2808  */
2809
2810 static void Download_CheckExtensions(cmd_state_t *cmd)
2811 {
2812         int i;
2813         int argc = Cmd_Argc(cmd);
2814
2815         // first reset them all
2816         host_client->download_deflate = false;
2817
2818         for(i = 2; i < argc; ++i)
2819         {
2820                 if(!strcmp(Cmd_Argv(cmd, i), "deflate"))
2821                 {
2822                         host_client->download_deflate = true;
2823                         break;
2824                 }
2825         }
2826 }
2827
2828 static void SV_Download_f(cmd_state_t *cmd)
2829 {
2830         const char *whichpack, *whichpack2, *extension;
2831         qboolean is_csqc; // so we need to check only once
2832
2833         if (Cmd_Argc(cmd) < 2)
2834         {
2835                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2836                 SV_ClientPrintf("       supported extensions: deflate\n");
2837                 return;
2838         }
2839
2840         if (FS_CheckNastyPath(Cmd_Argv(cmd, 1), false))
2841         {
2842                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(cmd, 1));
2843                 return;
2844         }
2845
2846         if (host_client->download_file)
2847         {
2848                 // at this point we'll assume the previous download should be aborted
2849                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2850                 SV_ClientCommands("\nstopdownload\n");
2851
2852                 // close the file and reset variables
2853                 FS_Close(host_client->download_file);
2854                 host_client->download_file = NULL;
2855                 host_client->download_name[0] = 0;
2856                 host_client->download_expectedposition = 0;
2857                 host_client->download_started = false;
2858         }
2859
2860         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(cmd, 1), sv.csqc_progname) == 0);
2861
2862         if (!sv_allowdownloads.integer && !is_csqc)
2863         {
2864                 SV_ClientPrintf("Downloads are disabled on this server\n");
2865                 SV_ClientCommands("\nstopdownload\n");
2866                 return;
2867         }
2868
2869         Download_CheckExtensions(cmd);
2870
2871         strlcpy(host_client->download_name, Cmd_Argv(cmd, 1), sizeof(host_client->download_name));
2872         extension = FS_FileExtension(host_client->download_name);
2873
2874         // host_client is asking to download a specified file
2875         if (developer_extra.integer)
2876                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2877
2878         if(is_csqc)
2879         {
2880                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2881                 extensions[0] = '\0';
2882
2883                 if(host_client->download_deflate)
2884                         strlcat(extensions, " deflate", sizeof(extensions));
2885
2886                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2887
2888                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2889                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2890                 else
2891                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2892
2893                 // no, no space is needed between %s and %s :P
2894                 SV_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2895
2896                 host_client->download_expectedposition = 0;
2897                 host_client->download_started = false;
2898                 host_client->sendsignon = true; // make sure this message is sent
2899                 return;
2900         }
2901
2902         if (!FS_FileExists(host_client->download_name))
2903         {
2904                 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);
2905                 SV_ClientCommands("\nstopdownload\n");
2906                 return;
2907         }
2908
2909         // check if the user is trying to download part of registered Quake(r)
2910         whichpack = FS_WhichPack(host_client->download_name);
2911         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2912         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2913         {
2914                 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);
2915                 SV_ClientCommands("\nstopdownload\n");
2916                 return;
2917         }
2918
2919         // check if the server has forbidden archive downloads entirely
2920         if (!sv_allowdownloads_inarchive.integer)
2921         {
2922                 whichpack = FS_WhichPack(host_client->download_name);
2923                 if (whichpack)
2924                 {
2925                         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);
2926                         SV_ClientCommands("\nstopdownload\n");
2927                         return;
2928                 }
2929         }
2930
2931         if (!sv_allowdownloads_config.integer)
2932         {
2933                 if (!strcasecmp(extension, "cfg"))
2934                 {
2935                         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);
2936                         SV_ClientCommands("\nstopdownload\n");
2937                         return;
2938                 }
2939         }
2940
2941         if (!sv_allowdownloads_dlcache.integer)
2942         {
2943                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2944                 {
2945                         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);
2946                         SV_ClientCommands("\nstopdownload\n");
2947                         return;
2948                 }
2949         }
2950
2951         if (!sv_allowdownloads_archive.integer)
2952         {
2953                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2954                 {
2955                         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);
2956                         SV_ClientCommands("\nstopdownload\n");
2957                         return;
2958                 }
2959         }
2960
2961         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2962         if (!host_client->download_file)
2963         {
2964                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2965                 SV_ClientCommands("\nstopdownload\n");
2966                 return;
2967         }
2968
2969         if (FS_FileSize(host_client->download_file) > 1<<30)
2970         {
2971                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2972                 SV_ClientCommands("\nstopdownload\n");
2973                 FS_Close(host_client->download_file);
2974                 host_client->download_file = NULL;
2975                 return;
2976         }
2977
2978         if (FS_FileSize(host_client->download_file) < 0)
2979         {
2980                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2981                 SV_ClientCommands("\nstopdownload\n");
2982                 FS_Close(host_client->download_file);
2983                 host_client->download_file = NULL;
2984                 return;
2985         }
2986
2987         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2988
2989         /*
2990          * we can only do this if we would actually deflate on the fly
2991          * which we do not (yet)!
2992         {
2993                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2994                 extensions[0] = '\0';
2995
2996                 if(host_client->download_deflate)
2997                         strlcat(extensions, " deflate", sizeof(extensions));
2998
2999                 // no, no space is needed between %s and %s :P
3000                 SV_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
3001         }
3002         */
3003         SV_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
3004
3005         host_client->download_expectedposition = 0;
3006         host_client->download_started = false;
3007         host_client->sendsignon = true; // make sure this message is sent
3008
3009         // the rest of the download process is handled in SV_SendClientDatagram
3010         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
3011         //
3012         // no svc_downloaddata messages will be sent until sv_startdownload is
3013         // sent by the client
3014 }
3015
3016 /*
3017 ==============================================================================
3018
3019 SERVER SPAWNING
3020
3021 ==============================================================================
3022 */
3023
3024 /*
3025 ================
3026 SV_ModelIndex
3027
3028 ================
3029 */
3030 int SV_ModelIndex(const char *s, int precachemode)
3031 {
3032         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);
3033         char filename[MAX_QPATH];
3034         if (!s || !*s)
3035                 return 0;
3036         // testing
3037         //if (precachemode == 2)
3038         //      return 0;
3039         strlcpy(filename, s, sizeof(filename));
3040         for (i = 2;i < limit;i++)
3041         {
3042                 if (!sv.model_precache[i][0])
3043                 {
3044                         if (precachemode)
3045                         {
3046                                 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))
3047                                 {
3048                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
3049                                         return 0;
3050                                 }
3051                                 if (precachemode == 1)
3052                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
3053                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
3054                                 if (sv.state == ss_loading)
3055                                 {
3056                                         // running from SV_SpawnServer which is launched from the client console command interpreter
3057                                         sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
3058                                 }
3059                                 else
3060                                 {
3061                                         if (svs.threaded)
3062                                         {
3063                                                 // 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
3064                                                 sv.models[i] = Mod_FindName (sv.model_precache[i], s[0] == '*' ? sv.worldname : NULL);
3065                                         }
3066                                         else
3067                                         {
3068                                                 // running single threaded, so we can load the model here
3069                                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
3070                                         }
3071                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
3072                                         MSG_WriteShort(&sv.reliable_datagram, i);
3073                                         MSG_WriteString(&sv.reliable_datagram, filename);
3074                                 }
3075                                 return i;
3076                         }
3077                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
3078                         return 0;
3079                 }
3080                 if (!strcmp(sv.model_precache[i], filename))
3081                         return i;
3082         }
3083         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
3084         return 0;
3085 }
3086
3087 /*
3088 ================
3089 SV_SoundIndex
3090
3091 ================
3092 */
3093 int SV_SoundIndex(const char *s, int precachemode)
3094 {
3095         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);
3096         char filename[MAX_QPATH];
3097         if (!s || !*s)
3098                 return 0;
3099         // testing
3100         //if (precachemode == 2)
3101         //      return 0;
3102         strlcpy(filename, s, sizeof(filename));
3103         for (i = 1;i < limit;i++)
3104         {
3105                 if (!sv.sound_precache[i][0])
3106                 {
3107                         if (precachemode)
3108                         {
3109                                 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))
3110                                 {
3111                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
3112                                         return 0;
3113                                 }
3114                                 if (precachemode == 1)
3115                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
3116                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
3117                                 if (sv.state != ss_loading)
3118                                 {
3119                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
3120                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
3121                                         MSG_WriteString(&sv.reliable_datagram, filename);
3122                                 }
3123                                 return i;
3124                         }
3125                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
3126                         return 0;
3127                 }
3128                 if (!strcmp(sv.sound_precache[i], filename))
3129                         return i;
3130         }
3131         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
3132         return 0;
3133 }
3134
3135 /*
3136 ================
3137 SV_ParticleEffectIndex
3138
3139 ================
3140 */
3141 int SV_ParticleEffectIndex(const char *name)
3142 {
3143         int i, argc, linenumber, effectnameindex;
3144         int filepass;
3145         fs_offset_t filesize;
3146         unsigned char *filedata;
3147         const char *text;
3148         const char *textstart;
3149         //const char *textend;
3150         char argv[16][1024];
3151         char filename[MAX_QPATH];
3152         if (!sv.particleeffectnamesloaded)
3153         {
3154                 sv.particleeffectnamesloaded = true;
3155                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
3156                 for (i = 0;i < EFFECT_TOTAL;i++)
3157                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
3158                 for (filepass = 0;;filepass++)
3159                 {
3160                         if (filepass == 0)
3161                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
3162                         else if (filepass == 1)
3163                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
3164                         else
3165                                 break;
3166                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
3167                         if (!filedata)
3168                                 continue;
3169                         textstart = (const char *)filedata;
3170                         //textend = (const char *)filedata + filesize;
3171                         text = textstart;
3172                         for (linenumber = 1;;linenumber++)
3173                         {
3174                                 argc = 0;
3175                                 for (;;)
3176                                 {
3177                                         if (!COM_ParseToken_Simple(&text, true, false, true) || !strcmp(com_token, "\n"))
3178                                                 break;
3179                                         if (argc < 16)
3180                                         {
3181                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
3182                                                 argc++;
3183                                         }
3184                                 }
3185                                 if (com_token[0] == 0)
3186                                         break; // if the loop exited and it's not a \n, it's EOF
3187                                 if (argc < 1)
3188                                         continue;
3189                                 if (!strcmp(argv[0], "effect"))
3190                                 {
3191                                         if (argc == 2)
3192                                         {
3193                                                 for (effectnameindex = 1;effectnameindex < MAX_PARTICLEEFFECTNAME;effectnameindex++)
3194                                                 {
3195                                                         if (sv.particleeffectname[effectnameindex][0])
3196                                                         {
3197                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
3198                                                                         break;
3199                                                         }
3200                                                         else
3201                                                         {
3202                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
3203                                                                 break;
3204                                                         }
3205                                                 }
3206                                                 // if we run out of names, abort
3207                                                 if (effectnameindex == MAX_PARTICLEEFFECTNAME)
3208                                                 {
3209                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
3210                                                         break;
3211                                                 }
3212                                         }
3213                                 }
3214                         }
3215                         Mem_Free(filedata);
3216                 }
3217         }
3218         // search for the name
3219         for (effectnameindex = 1;effectnameindex < MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
3220                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
3221                         return effectnameindex;
3222         // return 0 if we couldn't find it
3223         return 0;
3224 }
3225
3226 dp_model_t *SV_GetModelByIndex(int modelindex)
3227 {
3228         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3229 }
3230
3231 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
3232 {
3233         prvm_prog_t *prog = SVVM_prog;
3234         int modelindex;
3235         if (!ed || ed->priv.server->free)
3236                 return NULL;
3237         modelindex = (int)PRVM_serveredictfloat(ed, modelindex);
3238         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3239 }
3240
3241 /*
3242 ================
3243 SV_CreateBaseline
3244
3245 ================
3246 */
3247 static void SV_CreateBaseline (void)
3248 {
3249         prvm_prog_t *prog = SVVM_prog;
3250         int i, entnum, large;
3251         prvm_edict_t *svent;
3252
3253         // LadyHavoc: clear *all* baselines (not just active ones)
3254         for (entnum = 0;entnum < prog->max_edicts;entnum++)
3255         {
3256                 // get the current server version
3257                 svent = PRVM_EDICT_NUM(entnum);
3258
3259                 // LadyHavoc: always clear state values, whether the entity is in use or not
3260                 svent->priv.server->baseline = defaultstate;
3261
3262                 if (svent->priv.server->free)
3263                         continue;
3264                 if (entnum > svs.maxclients && !PRVM_serveredictfloat(svent, modelindex))
3265                         continue;
3266
3267                 // create entity baseline
3268                 VectorCopy (PRVM_serveredictvector(svent, origin), svent->priv.server->baseline.origin);
3269                 VectorCopy (PRVM_serveredictvector(svent, angles), svent->priv.server->baseline.angles);
3270                 svent->priv.server->baseline.frame = (int)PRVM_serveredictfloat(svent, frame);
3271                 svent->priv.server->baseline.skin = (int)PRVM_serveredictfloat(svent, skin);
3272                 if (entnum > 0 && entnum <= svs.maxclients)
3273                 {
3274                         svent->priv.server->baseline.colormap = entnum;
3275                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
3276                 }
3277                 else
3278                 {
3279                         svent->priv.server->baseline.colormap = 0;
3280                         svent->priv.server->baseline.modelindex = (int)PRVM_serveredictfloat(svent, modelindex);
3281                 }
3282
3283                 large = false;
3284                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
3285                 {
3286                         large = true;
3287                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3288                                 large = false;
3289                 }
3290
3291                 // add to the message
3292                 if (large)
3293                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
3294                 else
3295                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
3296                 MSG_WriteShort (&sv.signon, entnum);
3297
3298                 if (large)
3299                 {
3300                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3301                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
3302                 }
3303                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3304                 {
3305                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3306                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3307                 }
3308                 else
3309                 {
3310                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
3311                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3312                 }
3313                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
3314                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
3315                 for (i=0 ; i<3 ; i++)
3316                 {
3317                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
3318                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
3319                 }
3320         }
3321 }
3322
3323 /*
3324 ================
3325 SV_Prepare_CSQC
3326
3327 Load csprogs.dat and comperss it so it doesn't need to be
3328 reloaded on request.
3329 ================
3330 */
3331 static void SV_Prepare_CSQC(void)
3332 {
3333         fs_offset_t progsize;
3334
3335         if(svs.csqc_progdata)
3336         {
3337                 Con_DPrintf("Unloading old CSQC data.\n");
3338                 Mem_Free(svs.csqc_progdata);
3339                 if(svs.csqc_progdata_deflated)
3340                         Mem_Free(svs.csqc_progdata_deflated);
3341         }
3342
3343         svs.csqc_progdata = NULL;
3344         svs.csqc_progdata_deflated = NULL;
3345
3346         sv.csqc_progname[0] = 0;
3347         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
3348
3349         if(progsize > 0)
3350         {
3351                 size_t deflated_size;
3352
3353                 sv.csqc_progsize = (int)progsize;
3354                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
3355                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
3356                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
3357
3358                 Con_DPrint("Compressing csprogs.dat\n");
3359                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
3360                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
3361                 svs.csqc_progsize_deflated = (int)deflated_size;
3362                 if(svs.csqc_progdata_deflated)
3363                 {
3364                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
3365                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
3366                 }
3367                 else
3368                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
3369         }
3370 }
3371
3372 /*
3373 ================
3374 SV_SaveSpawnparms
3375
3376 Grabs the current state of each client for saving across the
3377 transition to another level
3378 ================
3379 */
3380 void SV_SaveSpawnparms (void)
3381 {
3382         prvm_prog_t *prog = SVVM_prog;
3383         int             i, j;
3384
3385         svs.serverflags = (int)PRVM_serverglobalfloat(serverflags);
3386
3387         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3388         {
3389                 if (!host_client->active)
3390                         continue;
3391
3392         // call the progs to get default spawn parms for the new client
3393                 PRVM_serverglobalfloat(time) = sv.time;
3394                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3395                 prog->ExecuteProgram(prog, PRVM_serverfunction(SetChangeParms), "QC function SetChangeParms is missing");
3396                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
3397                         host_client->spawn_parms[j] = (&PRVM_serverglobalfloat(parm1))[j];
3398         }
3399 }
3400
3401 /*
3402 ================
3403 SV_SpawnServer
3404
3405 This is called at the start of each level
3406 ================
3407 */
3408
3409 void SV_SpawnServer (const char *map)
3410 {
3411         prvm_prog_t *prog = SVVM_prog;
3412         prvm_edict_t *ent;
3413         int i;
3414         char *entities;
3415         dp_model_t *worldmodel;
3416         char modelname[sizeof(sv.worldname)];
3417         char vabuf[1024];
3418
3419         Con_DPrintf("SpawnServer: %s\n", map);
3420
3421         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", map);
3422
3423         if (!FS_FileExists(modelname))
3424         {
3425                 dpsnprintf (modelname, sizeof(modelname), "maps/%s", map);
3426                 if (!FS_FileExists(modelname))
3427                 {
3428                         Con_Printf("SpawnServer: no map file named maps/%s.bsp\n", map);
3429                         return;
3430                 }
3431         }
3432
3433 //      SV_LockThreadMutex();
3434
3435         if(cls.state == ca_dedicated)
3436                 Sys_MakeProcessNice();
3437
3438         if (cls.state != ca_dedicated)
3439         {
3440                 SCR_BeginLoadingPlaque(false);
3441                 S_StopAllSounds();
3442         }
3443
3444         if(sv.active)
3445         {
3446                 client_t *client;
3447                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3448                 {
3449                         if (client->netconnection)
3450                         {
3451                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3452                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3453                         }
3454                 }
3455                 World_End(&sv.world);
3456                 if(PRVM_serverfunction(SV_Shutdown))
3457                 {
3458                         func_t s = PRVM_serverfunction(SV_Shutdown);
3459                         PRVM_serverglobalfloat(time) = sv.time;
3460                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
3461                         prog->ExecuteProgram(prog, s,"SV_Shutdown() required");
3462                 }
3463         }
3464
3465         // free q3 shaders so that any newly downloaded shaders will be active
3466         Mod_FreeQ3Shaders();
3467
3468         worldmodel = Mod_ForName(modelname, false, developer.integer > 0, NULL);
3469         if (!worldmodel || !worldmodel->TraceBox)
3470         {
3471                 Con_Printf("Couldn't load map %s\n", modelname);
3472
3473                 if(cls.state == ca_dedicated)
3474                         Sys_MakeProcessMean();
3475
3476 //              SV_UnlockThreadMutex();
3477
3478                 return;
3479         }
3480
3481         Collision_Cache_Reset(true);
3482
3483         // let's not have any servers with no name
3484         if (hostname.string[0] == 0)
3485                 Cvar_SetQuick(&hostname, "UNNAMED");
3486         scr_centertime_off = 0;
3487
3488         svs.changelevel_issued = false;         // now safe to issue another
3489
3490         // make the map a required file for clients
3491         Curl_ClearRequirements();
3492         Curl_RequireFile(modelname);
3493
3494 //
3495 // tell all connected clients that we are going to a new level
3496 //
3497         if (!sv.active)
3498                 NetConn_OpenServerPorts(true);
3499
3500 //
3501 // make cvars consistant
3502 //
3503         if (coop.integer)
3504                 Cvar_SetValueQuick(&deathmatch, 0);
3505         // LadyHavoc: it can be useful to have skills outside the range 0-3...
3506         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3507         //Cvar_SetValue ("skill", (float)current_skill);
3508         current_skill = (int)(skill.value + 0.5);
3509
3510 //
3511 // set up the new server
3512 //
3513         memset (&sv, 0, sizeof(sv));
3514         // if running a local client, make sure it doesn't try to access the last
3515         // level's data which is no longer valiud
3516         cls.signon = 0;
3517
3518         Cvar_SetValueQuick(&halflifebsp, worldmodel->brush.ishlbsp);
3519         Cvar_SetValueQuick(&sv_mapformat_is_quake2, worldmodel->brush.isq2bsp);
3520         Cvar_SetValueQuick(&sv_mapformat_is_quake3, worldmodel->brush.isq3bsp);
3521
3522         if(*sv_random_seed.string)
3523         {
3524                 srand(sv_random_seed.integer);
3525                 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);
3526         }
3527
3528         SV_VM_Setup();
3529
3530         sv.active = true;
3531
3532         // set level base name variables for later use
3533         strlcpy (sv.name, map, sizeof (sv.name));
3534         strlcpy(sv.worldname, modelname, sizeof(sv.worldname));
3535         FS_StripExtension(sv.worldname, sv.worldnamenoextension, sizeof(sv.worldnamenoextension));
3536         strlcpy(sv.worldbasename, !strncmp(sv.worldnamenoextension, "maps/", 5) ? sv.worldnamenoextension + 5 : sv.worldnamenoextension, sizeof(sv.worldbasename));
3537         //Cvar_SetQuick(&sv_worldmessage, sv.worldmessage); // set later after QC is spawned
3538         Cvar_SetQuick(&sv_worldname, sv.worldname);
3539         Cvar_SetQuick(&sv_worldnamenoextension, sv.worldnamenoextension);
3540         Cvar_SetQuick(&sv_worldbasename, sv.worldbasename);
3541
3542         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3543         if (sv.protocol == PROTOCOL_UNKNOWN)
3544         {
3545                 char buffer[1024];
3546                 Protocol_Names(buffer, sizeof(buffer));
3547                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3548                 sv.protocol = PROTOCOL_QUAKE;
3549         }
3550
3551 // load progs to get entity field count
3552         //PR_LoadProgs ( sv_progs.string );
3553
3554         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3555         sv.datagram.cursize = 0;
3556         sv.datagram.data = sv.datagram_buf;
3557
3558         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3559         sv.reliable_datagram.cursize = 0;
3560         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3561
3562         sv.signon.maxsize = sizeof(sv.signon_buf);
3563         sv.signon.cursize = 0;
3564         sv.signon.data = sv.signon_buf;
3565
3566 // leave slots at start for clients only
3567         //prog->num_edicts = svs.maxclients+1;
3568
3569         sv.state = ss_loading;
3570         prog->allowworldwrites = true;
3571         sv.paused = false;
3572
3573         sv.time = 1.0;
3574
3575         Mod_ClearUsed();
3576         worldmodel->used = true;
3577
3578         sv.worldmodel = worldmodel;
3579         sv.models[1] = sv.worldmodel;
3580
3581 //
3582 // clear world interaction links
3583 //
3584         World_SetSize(&sv.world, sv.worldname, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs, prog);
3585         World_Start(&sv.world);
3586
3587         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3588
3589         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3590         strlcpy(sv.model_precache[1], sv.worldname, sizeof(sv.model_precache[1]));
3591         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3592         {
3593                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3594                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.worldname);
3595         }
3596         if(i < sv.worldmodel->brush.numsubmodels)
3597                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3598
3599 //
3600 // load the rest of the entities
3601 //
3602         // AK possible hack since num_edicts is still 0
3603         ent = PRVM_EDICT_NUM(0);
3604         memset (ent->fields.fp, 0, prog->entityfields * sizeof(prvm_vec_t));
3605         ent->priv.server->free = false;
3606         PRVM_serveredictstring(ent, model) = PRVM_SetEngineString(prog, sv.worldname);
3607         PRVM_serveredictfloat(ent, modelindex) = 1;             // world model
3608         PRVM_serveredictfloat(ent, solid) = SOLID_BSP;
3609         PRVM_serveredictfloat(ent, movetype) = MOVETYPE_PUSH;
3610         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, mins));
3611         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, maxs));
3612         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, absmin));
3613         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, absmax));
3614
3615         if (coop.value)
3616                 PRVM_serverglobalfloat(coop) = coop.integer;
3617         else
3618                 PRVM_serverglobalfloat(deathmatch) = deathmatch.integer;
3619
3620         PRVM_serverglobalstring(mapname) = PRVM_SetEngineString(prog, sv.name);
3621
3622 // serverflags are for cross level information (sigils)
3623         PRVM_serverglobalfloat(serverflags) = svs.serverflags;
3624
3625         // we need to reset the spawned flag on all connected clients here so that
3626         // their thinks don't run during startup (before PutClientInServer)
3627         // we also need to set up the client entities now
3628         // and we need to set the ->edict pointers to point into the progs edicts
3629         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3630         {
3631                 host_client->begun = false;
3632                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3633                 PRVM_ED_ClearEdict(prog, host_client->edict);
3634         }
3635
3636         // load replacement entity file if found
3637         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va(vabuf, sizeof(vabuf), "%s.ent", sv.worldnamenoextension), tempmempool, true, NULL)))
3638         {
3639                 Con_Printf("Loaded %s.ent\n", sv.worldnamenoextension);
3640                 PRVM_ED_LoadFromFile(prog, entities);
3641                 Mem_Free(entities);
3642         }
3643         else
3644                 PRVM_ED_LoadFromFile(prog, sv.worldmodel->brush.entities);
3645
3646
3647         // LadyHavoc: clear world angles (to fix e3m3.bsp)
3648         VectorClear(PRVM_serveredictvector(prog->edicts, angles));
3649
3650 // all setup is completed, any further precache statements are errors
3651 //      sv.state = ss_active; // LadyHavoc: workaround for svc_precache bug
3652         prog->allowworldwrites = false;
3653
3654 // run two frames to allow everything to settle
3655         sv.time = 1.0001;
3656         for (i = 0;i < sv_init_frame_count.integer;i++)
3657         {
3658                 sv.frametime = 0.1;
3659                 SV_Physics ();
3660         }
3661
3662         // Once all init frames have been run, we consider svqc code fully initialized.
3663         prog->inittime = host.realtime;
3664
3665         if (cls.state == ca_dedicated)
3666                 Mod_PurgeUnused();
3667
3668 // create a baseline for more efficient communications
3669         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)
3670                 SV_CreateBaseline ();
3671
3672         sv.state = ss_active; // LadyHavoc: workaround for svc_precache bug
3673
3674 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3675         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3676         {
3677                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3678                 if (!host_client->active)
3679                         continue;
3680                 if (host_client->netconnection)
3681                         SV_SendServerinfo(host_client);
3682                 else
3683                 {
3684                         int j;
3685                         // if client is a botclient coming from a level change, we need to
3686                         // set up client info that normally requires networking
3687
3688                         // copy spawn parms out of the client_t
3689                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3690                                 (&PRVM_serverglobalfloat(parm1))[j] = host_client->spawn_parms[j];
3691
3692                         // call the spawn function
3693                         host_client->clientconnectcalled = true;
3694                         PRVM_serverglobalfloat(time) = sv.time;
3695                         PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3696                         prog->ExecuteProgram(prog, PRVM_serverfunction(ClientConnect), "QC function ClientConnect is missing");
3697                         prog->ExecuteProgram(prog, PRVM_serverfunction(PutClientInServer), "QC function PutClientInServer is missing");
3698                         host_client->begun = true;
3699                 }
3700         }
3701
3702         // update the map title cvar
3703         strlcpy(sv.worldmessage, PRVM_GetString(prog, PRVM_serveredictstring(prog->edicts, message)), sizeof(sv.worldmessage)); // map title (not related to filename)
3704         Cvar_SetQuick(&sv_worldmessage, sv.worldmessage);
3705
3706         Con_DPrint("Server spawned.\n");
3707         NetConn_Heartbeat (2);
3708
3709         if(cls.state == ca_dedicated)
3710                 Sys_MakeProcessMean();
3711
3712 //      SV_UnlockThreadMutex();
3713 }
3714
3715 /*
3716 ==================
3717 SV_Shutdown
3718
3719 This only happens at the end of a game, not between levels
3720 ==================
3721 */
3722 void SV_Shutdown(void)
3723 {
3724         prvm_prog_t *prog = SVVM_prog;
3725         int i;
3726
3727         Con_DPrintf("SV_Shutdown\n");
3728
3729         if (!sv.active)
3730                 return;
3731
3732         NetConn_Heartbeat(2);
3733         NetConn_Heartbeat(2);
3734
3735 // make sure all the clients know we're disconnecting
3736         World_End(&sv.world);
3737         if(prog->loaded)
3738         {
3739                 if(PRVM_serverfunction(SV_Shutdown))
3740                 {
3741                         func_t s = PRVM_serverfunction(SV_Shutdown);
3742                         PRVM_serverglobalfloat(time) = sv.time;
3743                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
3744                         prog->ExecuteProgram(prog, s,"SV_Shutdown() required");
3745                 }
3746         }
3747         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3748                 if (host_client->active)
3749                         SV_DropClient(false); // server shutdown
3750
3751         NetConn_CloseServerPorts();
3752
3753         sv.active = false;
3754 //
3755 // clear structures
3756 //
3757         memset(&sv, 0, sizeof(sv));
3758         memset(svs.clients, 0, svs.maxclients*sizeof(client_t));
3759
3760         cl.islocalgame = false;
3761 }
3762
3763 /////////////////////////////////////////////////////
3764 // SV VM stuff
3765
3766 static void SVVM_begin_increase_edicts(prvm_prog_t *prog)
3767 {
3768         // links don't survive the transition, so unlink everything
3769         World_UnlinkAll(&sv.world);
3770 }
3771
3772 static void SVVM_end_increase_edicts(prvm_prog_t *prog)
3773 {
3774         int i;
3775         prvm_edict_t *ent;
3776
3777         // link every entity except world
3778         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
3779                 if (!ent->priv.server->free && !VectorCompare(PRVM_serveredictvector(ent, absmin), PRVM_serveredictvector(ent, absmax)))
3780                         SV_LinkEdict(ent);
3781 }
3782
3783 static void SVVM_init_edict(prvm_prog_t *prog, prvm_edict_t *e)
3784 {
3785         // LadyHavoc: for consistency set these here
3786         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3787
3788         e->priv.server->move = false; // don't move on first frame
3789
3790         if (num >= 0 && num < svs.maxclients)
3791         {
3792                 // set colormap and team on newly created player entity
3793                 PRVM_serveredictfloat(e, colormap) = num + 1;
3794                 PRVM_serveredictfloat(e, team) = (svs.clients[num].colors & 15) + 1;
3795                 // set netname/clientcolors back to client values so that
3796                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3797                 // reset them
3798                 PRVM_serveredictstring(e, netname) = PRVM_SetEngineString(prog, svs.clients[num].name);
3799                 PRVM_serveredictfloat(e, clientcolors) = svs.clients[num].colors;
3800                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3801                 PRVM_serveredictstring(e, playermodel) = PRVM_SetEngineString(prog, svs.clients[num].playermodel);
3802                 PRVM_serveredictstring(e, playerskin) = PRVM_SetEngineString(prog, svs.clients[num].playerskin);
3803                 // Assign netaddress (IP Address, etc)
3804                 if(svs.clients[num].netconnection != NULL)
3805                 {
3806                         // Acquire Readable Address
3807                         LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3808                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(prog, svs.clients[num].netaddress);
3809                 }
3810                 else
3811                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(prog, "null/botclient");
3812                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_idfp[0])
3813                         PRVM_serveredictstring(e, crypto_idfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.client_idfp);
3814                 else
3815                         PRVM_serveredictstring(e, crypto_idfp) = 0;
3816                 PRVM_serveredictfloat(e, crypto_idfp_signed) = (svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_issigned);
3817                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_keyfp[0])
3818                         PRVM_serveredictstring(e, crypto_keyfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.client_keyfp);
3819                 else
3820                         PRVM_serveredictstring(e, crypto_keyfp) = 0;
3821                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.server_keyfp[0])
3822                         PRVM_serveredictstring(e, crypto_mykeyfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.server_keyfp);
3823                 else
3824                         PRVM_serveredictstring(e, crypto_mykeyfp) = 0;
3825                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.use_aes)
3826                         PRVM_serveredictstring(e, crypto_encryptmethod) = PRVM_SetEngineString(prog, "AES128");
3827                 else
3828                         PRVM_serveredictstring(e, crypto_encryptmethod) = 0;
3829                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated)
3830                         PRVM_serveredictstring(e, crypto_signmethod) = PRVM_SetEngineString(prog, "HMAC-SHA256");
3831                 else
3832                         PRVM_serveredictstring(e, crypto_signmethod) = 0;
3833         }
3834 }
3835
3836 static void SVVM_free_edict(prvm_prog_t *prog, prvm_edict_t *ed)
3837 {
3838         int i;
3839         int e;
3840
3841         World_UnlinkEdict(ed);          // unlink from world bsp
3842
3843         PRVM_serveredictstring(ed, model) = 0;
3844         PRVM_serveredictfloat(ed, takedamage) = 0;
3845         PRVM_serveredictfloat(ed, modelindex) = 0;
3846         PRVM_serveredictfloat(ed, colormap) = 0;
3847         PRVM_serveredictfloat(ed, skin) = 0;
3848         PRVM_serveredictfloat(ed, frame) = 0;
3849         VectorClear(PRVM_serveredictvector(ed, origin));
3850         VectorClear(PRVM_serveredictvector(ed, angles));
3851         PRVM_serveredictfloat(ed, nextthink) = -1;
3852         PRVM_serveredictfloat(ed, solid) = 0;
3853
3854         VM_RemoveEdictSkeleton(prog, ed);
3855         World_Physics_RemoveFromEntity(&sv.world, ed);
3856         World_Physics_RemoveJointFromEntity(&sv.world, ed);
3857
3858         // make sure csqc networking is aware of the removed entity
3859         e = PRVM_NUM_FOR_EDICT(ed);
3860         sv.csqcentityversion[e] = 0;
3861         for (i = 0;i < svs.maxclients;i++)
3862                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3863 }
3864
3865 static void SVVM_count_edicts(prvm_prog_t *prog)
3866 {
3867         int             i;
3868         prvm_edict_t    *ent;
3869         int             active, models, solid, step;
3870
3871         active = models = solid = step = 0;
3872         for (i=0 ; i<prog->num_edicts ; i++)
3873         {
3874                 ent = PRVM_EDICT_NUM(i);
3875                 if (ent->priv.server->free)
3876                         continue;
3877                 active++;
3878                 if (PRVM_serveredictfloat(ent, solid))
3879                         solid++;
3880                 if (PRVM_serveredictstring(ent, model))
3881                         models++;
3882                 if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
3883                         step++;
3884         }
3885
3886         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3887         Con_Printf("active    :%3i\n", active);
3888         Con_Printf("view      :%3i\n", models);
3889         Con_Printf("touch     :%3i\n", solid);
3890         Con_Printf("step      :%3i\n", step);
3891 }
3892
3893 static qboolean SVVM_load_edict(prvm_prog_t *prog, prvm_edict_t *ent)
3894 {
3895         // remove things from different skill levels or deathmatch
3896         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3897         {
3898                 if (deathmatch.integer)
3899                 {
3900                         if (((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_DEATHMATCH))
3901                         {
3902                                 return false;
3903                         }
3904                 }
3905                 else if ((current_skill <= 0 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_EASY  ))
3906                         || (current_skill == 1 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_MEDIUM))
3907                         || (current_skill >= 2 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_HARD  )))
3908                 {
3909                         return false;
3910                 }
3911         }
3912         return true;
3913 }
3914
3915 static void SV_VM_Setup(void)
3916 {
3917         prvm_prog_t *prog = SVVM_prog;
3918         PRVM_Prog_Init(prog, &cmd_server);
3919
3920         // allocate the mempools
3921         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3922         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3923         prog->builtins = vm_sv_builtins;
3924         prog->numbuiltins = vm_sv_numbuiltins;
3925         prog->max_edicts = 512;
3926         if (sv.protocol == PROTOCOL_QUAKE)
3927                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3928         else if (sv.protocol == PROTOCOL_QUAKEDP)
3929                 prog->limit_edicts = 2048; // guessing
3930         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3931                 prog->limit_edicts = 2048; // guessing!
3932         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3933                 prog->limit_edicts = 4096; // guessing!
3934         else
3935                 prog->limit_edicts = MAX_EDICTS;
3936         prog->reserved_edicts = svs.maxclients;
3937         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3938         prog->name = "server";
3939         prog->extensionstring = vm_sv_extensions;
3940         prog->loadintoworld = true;
3941
3942         // all callbacks must be defined (pointers are not checked before calling)
3943         prog->begin_increase_edicts = SVVM_begin_increase_edicts;
3944         prog->end_increase_edicts   = SVVM_end_increase_edicts;
3945         prog->init_edict            = SVVM_init_edict;
3946         prog->free_edict            = SVVM_free_edict;
3947         prog->count_edicts          = SVVM_count_edicts;
3948         prog->load_edict            = SVVM_load_edict;
3949         prog->init_cmd              = SVVM_init_cmd;
3950         prog->reset_cmd             = SVVM_reset_cmd;
3951         prog->error_cmd             = Host_Error;
3952         prog->ExecuteProgram        = SVVM_ExecuteProgram;
3953
3954         PRVM_Prog_Load(prog, sv_progs.string, NULL, 0, SV_REQFUNCS, sv_reqfuncs, SV_REQFIELDS, sv_reqfields, SV_REQGLOBALS, sv_reqglobals);
3955
3956         // some mods compiled with scrambling compilers lack certain critical
3957         // global names and field names such as "self" and "time" and "nextthink"
3958         // so we have to set these offsets manually, matching the entvars_t
3959         // but we only do this if the prog header crc matches, otherwise it's totally freeform
3960         if (prog->progs_crc == PROGHEADER_CRC || prog->progs_crc == PROGHEADER_CRC_TENEBRAE)
3961         {
3962                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, modelindex);
3963                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmin);
3964                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmax);
3965                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ltime);
3966                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movetype);
3967                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, solid);
3968                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, origin);
3969                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, oldorigin);
3970                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, velocity);
3971                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3972                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, avelocity);
3973                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, punchangle);
3974                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3975                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, model);
3976                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3977                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, skin);
3978                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, effects);
3979                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, mins);
3980                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, maxs);
3981                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, size);
3982                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, touch);
3983                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, use);
3984                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3985                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, blocked);
3986                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3987                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3988                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, health);
3989                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frags);
3990                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weapon);
3991                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponmodel);
3992                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponframe);
3993                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, currentammo);
3994                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_shells);
3995                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_nails);
3996                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_rockets);
3997                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_cells);
3998                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, items);
3999                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, takedamage);
4000                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
4001                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, deadflag);
4002                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, view_ofs);
4003                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button0);
4004                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button1);
4005                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button2);
4006                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, impulse);
4007                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, fixangle);
4008                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, v_angle);
4009                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, idealpitch);
4010                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, netname);
4011                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, enemy);
4012                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, flags);
4013                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, colormap);
4014                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, team);
4015                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, max_health);
4016                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, teleport_time);
4017                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armortype);
4018                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armorvalue);
4019                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, waterlevel);
4020                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, watertype);
4021                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
4022                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
4023                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, aiment);
4024                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, goalentity);
4025                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, spawnflags);
4026                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, target);
4027                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, targetname);
4028                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_take);
4029                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_save);
4030                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_inflictor);
4031                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, owner);
4032                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movedir);
4033                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, message);
4034                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, sounds);
4035                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise);
4036                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise1);
4037                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise2);
4038                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise3);
4039                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
4040                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, other);
4041                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, world);
4042                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
4043                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, frametime);
4044                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, force_retouch);
4045                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, mapname);
4046                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, deathmatch);
4047                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, coop);
4048                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, teamplay);
4049                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, serverflags);
4050                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_secrets);
4051                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_monsters);
4052                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, found_secrets);
4053                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, killed_monsters);
4054                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm1);
4055                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm2);
4056                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm3);
4057                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm4);
4058                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm5);
4059                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm6);
4060                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm7);
4061                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm8);
4062                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm9);
4063                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm10);
4064                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm11);
4065                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm12);
4066                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm13);
4067                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm14);
4068                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm15);
4069                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm16);
4070                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
4071                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
4072                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
4073                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
4074                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
4075                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
4076                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
4077                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
4078                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
4079                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
4080                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
4081                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
4082                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, msg_entity);
4083 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, main);
4084 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, StartFrame);
4085 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPreThink);
4086 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPostThink);
4087 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientKill);
4088 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientConnect);
4089 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PutClientInServer);
4090 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientDisconnect);
4091 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetNewParms);
4092 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetChangeParms);
4093         }
4094         else
4095                 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);
4096
4097         // OP_STATE is always supported on server because we add fields/globals for it
4098         prog->flag |= PRVM_OP_STATE;
4099
4100         VM_CustomStats_Clear();//[515]: csqc
4101
4102         SV_Prepare_CSQC();
4103 }
4104
4105 extern cvar_t host_maxwait;
4106 extern cvar_t host_framerate;
4107 static int SV_ThreadFunc(void *voiddata)
4108 {
4109         prvm_prog_t *prog = SVVM_prog;
4110         qboolean playing = false;
4111         double sv_timer = 0;
4112         double sv_deltarealtime, sv_oldrealtime, sv_realtime;
4113         double wait;
4114         int i;
4115         char vabuf[1024];
4116         sv_realtime = Sys_DirtyTime();
4117         while (!svs.threadstop)
4118         {
4119                 // FIXME: we need to handle Host_Error in the server thread somehow
4120 //              if (setjmp(sv_abortframe))
4121 //                      continue;                       // something bad happened in the server game
4122
4123                 sv_oldrealtime = sv_realtime;
4124                 sv_realtime = Sys_DirtyTime();
4125                 sv_deltarealtime = sv_realtime - sv_oldrealtime;
4126                 if (sv_deltarealtime < 0 || sv_deltarealtime >= 1800) sv_deltarealtime = 0;
4127
4128                 sv_timer += sv_deltarealtime;
4129
4130                 svs.perf_acc_realtime += sv_deltarealtime;
4131
4132                 // 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)
4133                 SV_LockThreadMutex();
4134
4135                 // Look for clients who have spawned
4136                 playing = false;
4137                 if (sv.active)
4138                         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
4139                                 if(host_client->begun)
4140                                         if(host_client->netconnection)
4141                                                 playing = true;
4142                 if(sv.time < 10)
4143                 {
4144                         // don't accumulate time for the first 10 seconds of a match
4145                         // so things can settle
4146                         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;
4147                 }
4148                 else if(svs.perf_acc_realtime > 5)
4149                 {
4150                         svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
4151                         svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
4152                         if(svs.perf_acc_offset_samples > 0)
4153                         {
4154                                 svs.perf_offset_max = svs.perf_acc_offset_max;
4155                                 svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
4156                                 svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
4157                         }
4158                         if(svs.perf_lost > 0 && developer_extra.integer)
4159                                 if(playing)
4160                                         Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport(vabuf, sizeof(vabuf)));
4161                         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;
4162                 }
4163
4164                 // get new packets
4165                 if (sv.active)
4166                         NetConn_ServerFrame();
4167
4168                 // if the accumulators haven't become positive yet, wait a while
4169                 wait = sv_timer * -1000000.0;
4170                 if (wait >= 1)
4171                 {
4172                         double time0, delta;
4173                         SV_UnlockThreadMutex(); // don't keep mutex locked while sleeping
4174                         if (host_maxwait.value <= 0)
4175                                 wait = min(wait, 1000000.0);
4176                         else
4177                                 wait = min(wait, host_maxwait.value * 1000.0);
4178                         if(wait < 1)
4179                                 wait = 1; // because we cast to int
4180                         time0 = Sys_DirtyTime();
4181                         Sys_Sleep((int)wait);
4182                         delta = Sys_DirtyTime() - time0;if (delta < 0 || delta >= 1800) delta = 0;
4183                         svs.perf_acc_sleeptime += delta;
4184                         continue;
4185                 }
4186
4187                 if (sv.active && sv_timer > 0)
4188                 {
4189                         // execute one server frame
4190                         double advancetime;
4191                         float offset;
4192
4193                         if (sys_ticrate.value <= 0)
4194                                 advancetime = min(sv_timer, 0.1); // don't step more than 100ms
4195                         else
4196                                 advancetime = sys_ticrate.value;
4197
4198                         if(advancetime > 0)
4199                         {
4200                                 offset = sv_timer + (Sys_DirtyTime() - sv_realtime); // LadyHavoc: FIXME: I don't understand this line
4201                                 ++svs.perf_acc_offset_samples;
4202                                 svs.perf_acc_offset += offset;
4203                                 svs.perf_acc_offset_squared += offset * offset;
4204                                 if(svs.perf_acc_offset_max < offset)
4205                                         svs.perf_acc_offset_max = offset;
4206                         }
4207
4208                         // only advance time if not paused
4209                         // the game also pauses in singleplayer when menu or console is used
4210                         sv.frametime = advancetime * host_timescale.value;
4211                         if (host_framerate.value)
4212                                 sv.frametime = host_framerate.value;
4213                         if (sv.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
4214                                 sv.frametime = 0;
4215
4216                         sv_timer -= advancetime;
4217
4218                         // move things around and think unless paused
4219                         if (sv.frametime)
4220                                 SV_Physics();
4221
4222                         // send all messages to the clients
4223                         SV_SendClientMessages();
4224
4225                         if (sv.paused == 1 && sv_realtime > sv.pausedstart && sv.pausedstart > 0)
4226                         {
4227                                 PRVM_serverglobalfloat(time) = sv.time;
4228                                 prog->globals.fp[OFS_PARM0] = sv_realtime - sv.pausedstart;
4229                                 prog->ExecuteProgram(prog, PRVM_serverfunction(SV_PausedTic), "QC function SV_PausedTic is missing");
4230                         }
4231
4232                         // send an heartbeat if enough time has passed since the last one
4233                         NetConn_Heartbeat(0);
4234
4235                 }
4236
4237                 // we're back to safe code now
4238                 SV_UnlockThreadMutex();
4239
4240                 // if there is some time remaining from this frame, reset the timers
4241                 if (sv_timer >= 0)
4242                 {
4243                         svs.perf_acc_lost += sv_timer;
4244                         sv_timer = 0;
4245                 }
4246         }
4247         return 0;
4248 }
4249
4250 void SV_StartThread(void)
4251 {
4252         if (!sv_threaded.integer || !Thread_HasThreads())
4253                 return;
4254         svs.threaded = true;
4255         svs.threadstop = false;
4256         svs.threadmutex = Thread_CreateMutex();
4257         svs.thread = Thread_CreateThread(SV_ThreadFunc, NULL);
4258 }
4259
4260 void SV_StopThread(void)
4261 {
4262         if (!svs.threaded)
4263                 return;
4264         svs.threadstop = true;
4265         Thread_WaitThread(svs.thread, 0);
4266         Thread_DestroyMutex(svs.threadmutex);
4267         svs.threaded = false;
4268 }