misc/source/darkplaces-src/sv_main.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // sv_main.c -- server main program
  21
  22 #include "quakedef.h"
  23 #include "sv_demo.h"
  24 #include "libcurl.h"
  25 #include "csprogs.h"
  26 #include "thread.h"
  27
  28 static void SV_SaveEntFile_f(void);
  29 static void SV_StartDownload_f(void);
  30 static void SV_Download_f(void);
  31 static void SV_VM_Setup(void);
  32 extern cvar_t net_connecttimeout;
  33
  34 cvar_t sv_worldmessage = {CVAR_READONLY, "sv_worldmessage", "", "title of current level"};
  35 cvar_t sv_worldname = {CVAR_READONLY, "sv_worldname", "", "name of current worldmodel"};
  36 cvar_t sv_worldnamenoextension = {CVAR_READONLY, "sv_worldnamenoextension", "", "name of current worldmodel without extension"};
  37 cvar_t sv_worldbasename = {CVAR_READONLY, "sv_worldbasename", "", "name of current worldmodel without maps/ prefix or extension"};
  38
  39 cvar_t sv_disablenotify = {0, "sv_disablenotify", "1", "suppress broadcast prints when certain cvars are changed (CVAR_NOTIFY flag in engine code)"};
  40 cvar_t coop = {0, "coop","0", "coop mode, 0 = no coop, 1 = coop mode, multiple players playing through the singleplayer game (coop mode also shuts off deathmatch)"};
  41 cvar_t deathmatch = {0, "deathmatch","0", "deathmatch mode, values depend on mod but typically 0 = no deathmatch, 1 = normal deathmatch with respawning weapons, 2 = weapons stay (players can only pick up new weapons)"};
  42 cvar_t fraglimit = {CVAR_NOTIFY, "fraglimit","0", "ends level if this many frags is reached by any player"};
  43 cvar_t gamecfg = {0, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
  44 cvar_t noexit = {CVAR_NOTIFY, "noexit","0", "kills anyone attempting to use an exit"};
  45 cvar_t nomonsters = {0, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
  46 cvar_t pausable = {0, "pausable","1", "allow players to pause or not (otherwise, only the server admin can)"};
  47 cvar_t pr_checkextension = {CVAR_READONLY, "pr_checkextension", "1", "indicates to QuakeC that the standard quakec extensions system is available (if 0, quakec should not attempt to use extensions)"};
  48 cvar_t samelevel = {CVAR_NOTIFY, "samelevel","0", "repeats same level if level ends (due to timelimit or someone hitting an exit)"};
  49 cvar_t skill = {0, "skill","1", "difficulty level of game, affects monster layouts in levels, 0 = easy, 1 = normal, 2 = hard, 3 = nightmare (same layout as hard but monsters fire twice)"};
  50 cvar_t slowmo = {0, "slowmo", "1.0", "controls game speed, 0.5 is half speed, 2 is double speed"};
  51
  52 cvar_t sv_accelerate = {0, "sv_accelerate", "10", "rate at which a player accelerates to sv_maxspeed"};
  53 cvar_t sv_aim = {CVAR_SAVE, "sv_aim", "2", "maximum cosine angle for quake's vertical autoaim, a value above 1 completely disables the autoaim, quake used 0.93"};
  54 cvar_t sv_airaccel_qw = {0, "sv_airaccel_qw", "1", "ratio of QW-style air control as opposed to simple acceleration; when < 0, the speed is clamped against the maximum allowed forward speed after the move"};
  55 cvar_t sv_airaccel_qw_stretchfactor = {0, "sv_airaccel_qw_stretchfactor", "0", "when set, the maximum acceleration increase the player may get compared to forward-acceleration when strafejumping"};
  56 cvar_t sv_airaccel_sideways_friction = {0, "sv_airaccel_sideways_friction", "", "anti-sideways movement stabilization (reduces speed gain when zigzagging); when < 0, only so much friction is applied that braking (by accelerating backwards) cannot be stronger"};
  57 cvar_t sv_airaccelerate = {0, "sv_airaccelerate", "-1", "rate at which a player accelerates to sv_maxairspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
  58 cvar_t sv_airstopaccelerate = {0, "sv_airstopaccelerate", "0", "when set, replacement for sv_airaccelerate when moving backwards"};
  59 cvar_t sv_airspeedlimit_nonqw = {0, "sv_airspeedlimit_nonqw", "0", "when set, this is a soft speed limit while in air when using airaccel_qw not equal to 1"};
  60 cvar_t sv_airstrafeaccelerate = {0, "sv_airstrafeaccelerate", "0", "when set, replacement for sv_airaccelerate when just strafing"};
  61 cvar_t sv_maxairstrafespeed = {0, "sv_maxairstrafespeed", "0", "when set, replacement for sv_maxairspeed when just strafing"};
  62 cvar_t sv_airstrafeaccel_qw = {0, "sv_airstrafeaccel_qw", "0", "when set, replacement for sv_airaccel_qw when just strafing"};
  63 cvar_t sv_aircontrol = {0, "sv_aircontrol", "0", "CPMA-style air control"};
  64 cvar_t sv_aircontrol_power = {0, "sv_aircontrol_power", "2", "CPMA-style air control exponent"};
  65 cvar_t sv_aircontrol_penalty = {0, "sv_aircontrol_penalty", "0", "deceleration while using CPMA-style air control"};
  66 cvar_t sv_allowdownloads = {0, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
  67 cvar_t sv_allowdownloads_archive = {0, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
  68 cvar_t sv_allowdownloads_config = {0, "sv_allowdownloads_config", "0", "whether to allow downloads of config files (cfg)"};
  69 cvar_t sv_allowdownloads_dlcache = {0, "sv_allowdownloads_dlcache", "0", "whether to allow downloads of dlcache files (dlcache/)"};
  70 cvar_t sv_allowdownloads_inarchive = {0, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
  71 cvar_t sv_areagrid_mingridsize = {CVAR_NOTIFY, "sv_areagrid_mingridsize", "128", "minimum areagrid cell size, smaller values work better for lots of small objects, higher values for large objects"};
  72 cvar_t sv_checkforpacketsduringsleep = {0, "sv_checkforpacketsduringsleep", "0", "uses select() function to wait between frames which can be interrupted by packets being received, instead of Sleep()/usleep()/SDL_Sleep() functions which do not check for packets"};
  73 cvar_t sv_clmovement_enable = {0, "sv_clmovement_enable", "1", "whether to allow clients to use cl_movement prediction, which can cause choppy movement on the server which may annoy other players"};
  74 cvar_t sv_clmovement_minping = {0, "sv_clmovement_minping", "0", "if client ping is below this time in milliseconds, then their ability to use cl_movement prediction is disabled for a while (as they don't need it)"};
  75 cvar_t sv_clmovement_minping_disabletime = {0, "sv_clmovement_minping_disabletime", "1000", "when client falls below minping, disable their prediction for this many milliseconds (should be at least 1000 or else their prediction may turn on/off frequently)"};
  76 cvar_t sv_clmovement_inputtimeout = {0, "sv_clmovement_inputtimeout", "0.2", "when a client does not send input for this many seconds, force them to move anyway (unlike QuakeWorld)"};
  77 cvar_t sv_cullentities_nevercullbmodels = {0, "sv_cullentities_nevercullbmodels", "0", "if enabled the clients are always notified of moving doors and lifts and other submodels of world (warning: eats a lot of network bandwidth on some levels!)"};
  78 cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"};
  79 cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
  80 cvar_t sv_cullentities_trace = {0, "sv_cullentities_trace", "0", "somewhat slow but very tight culling of hidden entities, minimizes network traffic and makes wallhack cheats useless"};
  81 cvar_t sv_cullentities_trace_delay = {0, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
  82 cvar_t sv_cullentities_trace_delay_players = {0, "sv_cullentities_trace_delay_players", "0.2", "number of seconds until the entity gets actually culled if it is a player entity"};
  83 cvar_t sv_cullentities_trace_enlarge = {0, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
  84 cvar_t sv_cullentities_trace_prediction = {0, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
  85 cvar_t sv_cullentities_trace_prediction_time = {0, "sv_cullentities_trace_prediction_time", "0.2", "how many seconds of prediction to use"};
  86 cvar_t sv_cullentities_trace_entityocclusion = {0, "sv_cullentities_trace_entityocclusion", "0", "also check if doors and other bsp models are in the way"};
  87 cvar_t sv_cullentities_trace_samples = {0, "sv_cullentities_trace_samples", "2", "number of samples to test for entity culling"};
  88 cvar_t sv_cullentities_trace_samples_extra = {0, "sv_cullentities_trace_samples_extra", "2", "number of samples to test for entity culling when the entity affects its surroundings by e.g. dlight"};
  89 cvar_t sv_cullentities_trace_samples_players = {0, "sv_cullentities_trace_samples_players", "8", "number of samples to test for entity culling when the entity is a player entity"};
  90 cvar_t sv_debugmove = {CVAR_NOTIFY, "sv_debugmove", "0", "disables collision detection optimizations for debugging purposes"};
  91 cvar_t sv_echobprint = {CVAR_SAVE, "sv_echobprint", "1", "prints gamecode bprint() calls to server console"};
  92 cvar_t sv_edgefriction = {0, "edgefriction", "1", "how much you slow down when nearing a ledge you might fall off, multiplier of sv_friction (Quake used 2, QuakeWorld used 1 due to a bug in physics code)"};
  93 cvar_t sv_entpatch = {0, "sv_entpatch", "1", "enables loading of .ent files to override entities in the bsp (for example Threewave CTF server pack contains .ent patch files enabling play of CTF on id1 maps)"};
  94 cvar_t sv_fixedframeratesingleplayer = {0, "sv_fixedframeratesingleplayer", "1", "allows you to use server-style timing system in singleplayer (don't run faster than sys_ticrate)"};
  95 cvar_t sv_freezenonclients = {CVAR_NOTIFY, "sv_freezenonclients", "0", "freezes time, except for players, allowing you to walk around and take screenshots of explosions"};
  96 cvar_t sv_friction = {CVAR_NOTIFY, "sv_friction","4", "how fast you slow down"};
  97 cvar_t sv_gameplayfix_blowupfallenzombies = {0, "sv_gameplayfix_blowupfallenzombies", "1", "causes findradius to detect SOLID_NOT entities such as zombies and corpses on the floor, allowing splash damage to apply to them"};
  98 cvar_t sv_gameplayfix_consistentplayerprethink = {0, "sv_gameplayfix_consistentplayerprethink", "0", "improves fairness in multiplayer by running all PlayerPreThink functions (which fire weapons) before performing physics, then running all PlayerPostThink functions"};
  99 cvar_t sv_gameplayfix_delayprojectiles = {0, "sv_gameplayfix_delayprojectiles", "1", "causes entities to not move on the same frame they are spawned, meaning that projectiles wait until the next frame to perform their first move, giving proper interpolation and rocket trails, but making weapons harder to use at low framerates"};
 100 cvar_t sv_gameplayfix_droptofloorstartsolid = {0, "sv_gameplayfix_droptofloorstartsolid", "1", "prevents items and monsters that start in a solid area from falling out of the level (makes droptofloor treat trace_startsolid as an acceptable outcome)"};
 101 cvar_t sv_gameplayfix_droptofloorstartsolid_nudgetocorrect = {0, "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect", "1", "tries to nudge stuck items and monsters out of walls before droptofloor is performed"};
 102 cvar_t sv_gameplayfix_easierwaterjump = {0, "sv_gameplayfix_easierwaterjump", "1", "changes water jumping to make it easier to get out of water (exactly like in QuakeWorld)"};
 103 cvar_t sv_gameplayfix_findradiusdistancetobox = {0, "sv_gameplayfix_findradiusdistancetobox", "1", "causes findradius to check the distance to the corner of a box rather than the center of the box, makes findradius detect bmodels such as very large doors that would otherwise be unaffected by splash damage"};
 104 cvar_t sv_gameplayfix_gravityunaffectedbyticrate = {0, "sv_gameplayfix_gravityunaffectedbyticrate", "0", "fix some ticrate issues in physics."};
 105 cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
 106 cvar_t sv_gameplayfix_multiplethinksperframe = {0, "sv_gameplayfix_multiplethinksperframe", "1", "allows entities to think more often than the server framerate, primarily useful for very high fire rate weapons"};
 107 cvar_t sv_gameplayfix_noairborncorpse = {0, "sv_gameplayfix_noairborncorpse", "1", "causes entities (corpses, items, etc) sitting ontop of moving entities (players) to fall when the moving entity (player) is no longer supporting them"};
 108 cvar_t sv_gameplayfix_noairborncorpse_allowsuspendeditems = {0, "sv_gameplayfix_noairborncorpse_allowsuspendeditems", "1", "causes entities sitting ontop of objects that are instantaneously remove to float in midair (special hack to allow a common level design trick for floating items)"};
 109 cvar_t sv_gameplayfix_nudgeoutofsolid = {0, "sv_gameplayfix_nudgeoutofsolid", "0", "attempts to fix physics errors (where an object ended up in solid for some reason)"};
 110 cvar_t sv_gameplayfix_nudgeoutofsolid_separation = {0, "sv_gameplayfix_nudgeoutofsolid_separation", "0.03125", "keep objects this distance apart to prevent collision issues on seams"};
 111 cvar_t sv_gameplayfix_q2airaccelerate = {0, "sv_gameplayfix_q2airaccelerate", "0", "Quake2-style air acceleration"};
 112 cvar_t sv_gameplayfix_nogravityonground = {0, "sv_gameplayfix_nogravityonground", "0", "turn off gravity when on ground (to get rid of sliding)"};
 113 cvar_t sv_gameplayfix_setmodelrealbox = {0, "sv_gameplayfix_setmodelrealbox", "1", "fixes a bug in Quake that made setmodel always set the entity box to ('-16 -16 -16', '16 16 16') rather than properly checking the model box, breaks some poorly coded mods"};
 114 cvar_t sv_gameplayfix_slidemoveprojectiles = {0, "sv_gameplayfix_slidemoveprojectiles", "1", "allows MOVETYPE_FLY/FLYMISSILE/TOSS/BOUNCE/BOUNCEMISSILE entities to finish their move in a frame even if they hit something, fixes 'gravity accumulation' bug for grenades on steep slopes"};
 115 cvar_t sv_gameplayfix_stepdown = {0, "sv_gameplayfix_stepdown", "0", "attempts to step down stairs, not just up them (prevents the familiar thud..thud..thud.. when running down stairs and slopes)"};
 116 cvar_t sv_gameplayfix_stepwhilejumping = {0, "sv_gameplayfix_stepwhilejumping", "1", "applies step-up onto a ledge even while airborn, useful if you would otherwise just-miss the floor when running across small areas with gaps (for instance running across the moving platforms in dm2, or jumping to the megahealth and red armor in dm2 rather than using the bridge)"};
 117 cvar_t sv_gameplayfix_stepmultipletimes = {0, "sv_gameplayfix_stepmultipletimes", "0", "applies step-up onto a ledge more than once in a single frame, when running quickly up stairs"};
 118 cvar_t sv_gameplayfix_nostepmoveonsteepslopes = {0, "sv_gameplayfix_nostepmoveonsteepslopes", "0", "grude fix which prevents MOVETYPE_STEP (not swimming or flying) to move on slopes whose angle is bigger than 45 degree"};
 119 cvar_t sv_gameplayfix_swiminbmodels = {0, "sv_gameplayfix_swiminbmodels", "1", "causes pointcontents (used to determine if you are in a liquid) to check bmodel entities as well as the world model, so you can swim around in (possibly moving) water bmodel entities"};
 120 cvar_t sv_gameplayfix_upwardvelocityclearsongroundflag = {0, "sv_gameplayfix_upwardvelocityclearsongroundflag", "1", "prevents monsters, items, and most other objects from being stuck to the floor when pushed around by damage, and other situations in mods"};
 121 cvar_t sv_gameplayfix_downtracesupportsongroundflag = {0, "sv_gameplayfix_downtracesupportsongroundflag", "1", "prevents very short moves from clearing onground (which may make the player stick to the floor at high netfps)"};
 122 cvar_t sv_gameplayfix_q1bsptracelinereportstexture = {0, "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"};
 123 cvar_t sv_gameplayfix_unstickplayers = {0, "sv_gameplayfix_unstickplayers", "1", "big hack to try and fix the rare case of MOVETYPE_WALK entities getting stuck in the world clipping hull."};
 124 cvar_t sv_gameplayfix_unstickentities = {0, "sv_gameplayfix_unstickentities", "1", "hack to check if entities are crossing world collision hull and try to move them to the right position"};
 125 cvar_t sv_gameplayfix_fixedcheckwatertransition = {0, "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)"};
 126 cvar_t sv_gravity = {CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
 127 cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
 128 cvar_t sv_jumpstep = {CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping (sv_gameplayfix_stepwhilejumping must also be 1)"};
 129 cvar_t sv_jumpvelocity = {0, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
 130 cvar_t sv_maxairspeed = {0, "sv_maxairspeed", "30", "maximum speed a player can accelerate to when airborn (note that it is possible to completely stop by moving the opposite direction)"};
 131 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
 132 cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
 133 cvar_t sv_maxvelocity = {CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
 134 cvar_t sv_nostep = {CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
 135 cvar_t sv_playerphysicsqc = {CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
 136 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
 137 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
 138 cvar_t sv_random_seed = {0, "sv_random_seed", "", "random seed; when set, on every map start this random seed is used to initialize the random number generator. Don't touch it unless for benchmarking or debugging"};
 139 cvar_t sv_ratelimitlocalplayer = {0, "sv_ratelimitlocalplayer", "0", "whether to apply rate limiting to the local player in a listen server (only useful for testing)"};
 140 cvar_t sv_sound_land = {0, "sv_sound_land", "demon/dland2.wav", "sound to play when MOVETYPE_STEP entity hits the ground at high speed (empty cvar disables the sound)"};
 141 cvar_t sv_sound_watersplash = {0, "sv_sound_watersplash", "misc/h2ohit1.wav", "sound to play when MOVETYPE_FLY/TOSS/BOUNCE/STEP entity enters or leaves water (empty cvar disables the sound)"};
 142 cvar_t sv_stepheight = {CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
 143 cvar_t sv_stopspeed = {CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
 144 cvar_t sv_wallfriction = {CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
 145 cvar_t sv_wateraccelerate = {0, "sv_wateraccelerate", "-1", "rate at which a player accelerates to sv_maxspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
 146 cvar_t sv_waterfriction = {CVAR_NOTIFY, "sv_waterfriction","-1", "how fast you slow down, if less than 0 the sv_friction variable is used instead"};
 147 cvar_t sv_warsowbunny_airforwardaccel = {0, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
 148 cvar_t sv_warsowbunny_accel = {0, "sv_warsowbunny_accel", "0.1585", "how fast you accelerate until after reaching sv_maxspeed (it gets harder as you near sv_warsowbunny_topspeed)"};
 149 cvar_t sv_warsowbunny_topspeed = {0, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
 150 cvar_t sv_warsowbunny_turnaccel = {0, "sv_warsowbunny_turnaccel", "0", "max sharpness of turns (also master switch for the sv_warsowbunny_* mode; set this to 9 to enable)"};
 151 cvar_t sv_warsowbunny_backtosideratio = {0, "sv_warsowbunny_backtosideratio", "0.8", "lower values make it easier to change direction without losing speed; the drawback is \"understeering\" in sharp turns"};
 152 cvar_t sv_onlycsqcnetworking = {0, "sv_onlycsqcnetworking", "0", "disables legacy entity networking code for higher performance (except on clients, which can still be legacy)"};
 153 cvar_t sv_areadebug = {0, "sv_areadebug", "0", "disables physics culling for debugging purposes (only for development)"};
 154 cvar_t sys_ticrate = {CVAR_SAVE, "sys_ticrate","0.0138889", "how long a server frame is in seconds, 0.05 is 20fps server rate, 0.1 is 10fps (can not be set higher than 0.1), 0 runs as many server frames as possible (makes games against bots a little smoother, overwhelms network players), 0.0138889 matches QuakeWorld physics"};
 155 cvar_t teamplay = {CVAR_NOTIFY, "teamplay","0", "teamplay mode, values depend on mod but typically 0 = no teams, 1 = no team damage no self damage, 2 = team damage and self damage, some mods support 3 = no team damage but can damage self"};
 156 cvar_t timelimit = {CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
 157 cvar_t sv_threaded = {0, "sv_threaded", "0", "enables a separate thread for server code, improving performance, especially when hosting a game while playing, EXPERIMENTAL, may be crashy"};
 158
 159 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 160 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 161 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 162 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 163 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 164 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
 165 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
 166 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
 167 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
 168 cvar_t temp1 = {0, "temp1","0", "general cvar for mods to use, in stock id1 this selects which death animation to use on players (0 = random death, other values select specific death scenes)"};
 169
 170 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
 171 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
 172 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
 173 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
 174 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
 175 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
 176 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
 177 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
 178 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
 179 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
 180 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
 181 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
 182 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
 183 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
 184 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
 185 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
 186 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
 187 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
 188 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
 189 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
 190 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
 191
 192 cvar_t sv_autodemo_perclient = {CVAR_SAVE, "sv_autodemo_perclient", "0", "set to 1 to enable autorecorded per-client demos (they'll start to record at the beginning of a match); set it to 2 to also record client->server packets (for debugging)"};
 193 cvar_t sv_autodemo_perclient_nameformat = {CVAR_SAVE, "sv_autodemo_perclient_nameformat", "sv_autodemos/%Y-%m-%d_%H-%M", "The format of the sv_autodemo_perclient filename, followed by the map name, the client number and the IP address + port number, separated by underscores (the date is encoded using strftime escapes)" };
 194 cvar_t sv_autodemo_perclient_discardable = {CVAR_SAVE, "sv_autodemo_perclient_discardable", "0", "Allow game code to decide whether a demo should be kept or discarded."};
 195
 196 cvar_t halflifebsp = {0, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
 197
 198 server_t sv;
 199 server_static_t svs;
 200
 201 mempool_t *sv_mempool = NULL;
 202
 203 extern cvar_t slowmo;
 204 extern float            scr_centertime_off;
 205
 206 // MUST match effectnameindex_t in client.h
 207 static const char *standardeffectnames[EFFECT_TOTAL] =
 208 {
 209         "",
 210         "TE_GUNSHOT",
 211         "TE_GUNSHOTQUAD",
 212         "TE_SPIKE",
 213         "TE_SPIKEQUAD",
 214         "TE_SUPERSPIKE",
 215         "TE_SUPERSPIKEQUAD",
 216         "TE_WIZSPIKE",
 217         "TE_KNIGHTSPIKE",
 218         "TE_EXPLOSION",
 219         "TE_EXPLOSIONQUAD",
 220         "TE_TAREXPLOSION",
 221         "TE_TELEPORT",
 222         "TE_LAVASPLASH",
 223         "TE_SMALLFLASH",
 224         "TE_FLAMEJET",
 225         "EF_FLAME",
 226         "TE_BLOOD",
 227         "TE_SPARK",
 228         "TE_PLASMABURN",
 229         "TE_TEI_G3",
 230         "TE_TEI_SMOKE",
 231         "TE_TEI_BIGEXPLOSION",
 232         "TE_TEI_PLASMAHIT",
 233         "EF_STARDUST",
 234         "TR_ROCKET",
 235         "TR_GRENADE",
 236         "TR_BLOOD",
 237         "TR_WIZSPIKE",
 238         "TR_SLIGHTBLOOD",
 239         "TR_KNIGHTSPIKE",
 240         "TR_VORESPIKE",
 241         "TR_NEHAHRASMOKE",
 242         "TR_NEXUIZPLASMA",
 243         "TR_GLOWTRAIL",
 244         "SVC_PARTICLE"
 245 };
 246
 247 #define SV_REQFUNCS 0
 248 #define sv_reqfuncs NULL
 249
 250 //#define SV_REQFUNCS (sizeof(sv_reqfuncs) / sizeof(const char *))
 251 //static const char *sv_reqfuncs[] = {
 252 //};
 253
 254 #define SV_REQFIELDS (sizeof(sv_reqfields) / sizeof(prvm_required_field_t))
 255
 256 prvm_required_field_t sv_reqfields[] =
 257 {
 258 #define PRVM_DECLARE_serverglobalfloat(x)
 259 #define PRVM_DECLARE_serverglobalvector(x)
 260 #define PRVM_DECLARE_serverglobalstring(x)
 261 #define PRVM_DECLARE_serverglobaledict(x)
 262 #define PRVM_DECLARE_serverglobalfunction(x)
 263 #define PRVM_DECLARE_clientglobalfloat(x)
 264 #define PRVM_DECLARE_clientglobalvector(x)
 265 #define PRVM_DECLARE_clientglobalstring(x)
 266 #define PRVM_DECLARE_clientglobaledict(x)
 267 #define PRVM_DECLARE_clientglobalfunction(x)
 268 #define PRVM_DECLARE_menuglobalfloat(x)
 269 #define PRVM_DECLARE_menuglobalvector(x)
 270 #define PRVM_DECLARE_menuglobalstring(x)
 271 #define PRVM_DECLARE_menuglobaledict(x)
 272 #define PRVM_DECLARE_menuglobalfunction(x)
 273 #define PRVM_DECLARE_serverfieldfloat(x) {ev_float, #x},
 274 #define PRVM_DECLARE_serverfieldvector(x) {ev_vector, #x},
 275 #define PRVM_DECLARE_serverfieldstring(x) {ev_string, #x},
 276 #define PRVM_DECLARE_serverfieldedict(x) {ev_entity, #x},
 277 #define PRVM_DECLARE_serverfieldfunction(x) {ev_function, #x},
 278 #define PRVM_DECLARE_clientfieldfloat(x)
 279 #define PRVM_DECLARE_clientfieldvector(x)
 280 #define PRVM_DECLARE_clientfieldstring(x)
 281 #define PRVM_DECLARE_clientfieldedict(x)
 282 #define PRVM_DECLARE_clientfieldfunction(x)
 283 #define PRVM_DECLARE_menufieldfloat(x)
 284 #define PRVM_DECLARE_menufieldvector(x)
 285 #define PRVM_DECLARE_menufieldstring(x)
 286 #define PRVM_DECLARE_menufieldedict(x)
 287 #define PRVM_DECLARE_menufieldfunction(x)
 288 #define PRVM_DECLARE_serverfunction(x)
 289 #define PRVM_DECLARE_clientfunction(x)
 290 #define PRVM_DECLARE_menufunction(x)
 291 #define PRVM_DECLARE_field(x)
 292 #define PRVM_DECLARE_global(x)
 293 #define PRVM_DECLARE_function(x)
 294 #include "prvm_offsets.h"
 295 #undef PRVM_DECLARE_serverglobalfloat
 296 #undef PRVM_DECLARE_serverglobalvector
 297 #undef PRVM_DECLARE_serverglobalstring
 298 #undef PRVM_DECLARE_serverglobaledict
 299 #undef PRVM_DECLARE_serverglobalfunction
 300 #undef PRVM_DECLARE_clientglobalfloat
 301 #undef PRVM_DECLARE_clientglobalvector
 302 #undef PRVM_DECLARE_clientglobalstring
 303 #undef PRVM_DECLARE_clientglobaledict
 304 #undef PRVM_DECLARE_clientglobalfunction
 305 #undef PRVM_DECLARE_menuglobalfloat
 306 #undef PRVM_DECLARE_menuglobalvector
 307 #undef PRVM_DECLARE_menuglobalstring
 308 #undef PRVM_DECLARE_menuglobaledict
 309 #undef PRVM_DECLARE_menuglobalfunction
 310 #undef PRVM_DECLARE_serverfieldfloat
 311 #undef PRVM_DECLARE_serverfieldvector
 312 #undef PRVM_DECLARE_serverfieldstring
 313 #undef PRVM_DECLARE_serverfieldedict
 314 #undef PRVM_DECLARE_serverfieldfunction
 315 #undef PRVM_DECLARE_clientfieldfloat
 316 #undef PRVM_DECLARE_clientfieldvector
 317 #undef PRVM_DECLARE_clientfieldstring
 318 #undef PRVM_DECLARE_clientfieldedict
 319 #undef PRVM_DECLARE_clientfieldfunction
 320 #undef PRVM_DECLARE_menufieldfloat
 321 #undef PRVM_DECLARE_menufieldvector
 322 #undef PRVM_DECLARE_menufieldstring
 323 #undef PRVM_DECLARE_menufieldedict
 324 #undef PRVM_DECLARE_menufieldfunction
 325 #undef PRVM_DECLARE_serverfunction
 326 #undef PRVM_DECLARE_clientfunction
 327 #undef PRVM_DECLARE_menufunction
 328 #undef PRVM_DECLARE_field
 329 #undef PRVM_DECLARE_global
 330 #undef PRVM_DECLARE_function
 331 };
 332
 333 #define SV_REQGLOBALS (sizeof(sv_reqglobals) / sizeof(prvm_required_field_t))
 334
 335 prvm_required_field_t sv_reqglobals[] =
 336 {
 337 #define PRVM_DECLARE_serverglobalfloat(x) {ev_float, #x},
 338 #define PRVM_DECLARE_serverglobalvector(x) {ev_vector, #x},
 339 #define PRVM_DECLARE_serverglobalstring(x) {ev_string, #x},
 340 #define PRVM_DECLARE_serverglobaledict(x) {ev_entity, #x},
 341 #define PRVM_DECLARE_serverglobalfunction(x) {ev_function, #x},
 342 #define PRVM_DECLARE_clientglobalfloat(x)
 343 #define PRVM_DECLARE_clientglobalvector(x)
 344 #define PRVM_DECLARE_clientglobalstring(x)
 345 #define PRVM_DECLARE_clientglobaledict(x)
 346 #define PRVM_DECLARE_clientglobalfunction(x)
 347 #define PRVM_DECLARE_menuglobalfloat(x)
 348 #define PRVM_DECLARE_menuglobalvector(x)
 349 #define PRVM_DECLARE_menuglobalstring(x)
 350 #define PRVM_DECLARE_menuglobaledict(x)
 351 #define PRVM_DECLARE_menuglobalfunction(x)
 352 #define PRVM_DECLARE_serverfieldfloat(x)
 353 #define PRVM_DECLARE_serverfieldvector(x)
 354 #define PRVM_DECLARE_serverfieldstring(x)
 355 #define PRVM_DECLARE_serverfieldedict(x)
 356 #define PRVM_DECLARE_serverfieldfunction(x)
 357 #define PRVM_DECLARE_clientfieldfloat(x)
 358 #define PRVM_DECLARE_clientfieldvector(x)
 359 #define PRVM_DECLARE_clientfieldstring(x)
 360 #define PRVM_DECLARE_clientfieldedict(x)
 361 #define PRVM_DECLARE_clientfieldfunction(x)
 362 #define PRVM_DECLARE_menufieldfloat(x)
 363 #define PRVM_DECLARE_menufieldvector(x)
 364 #define PRVM_DECLARE_menufieldstring(x)
 365 #define PRVM_DECLARE_menufieldedict(x)
 366 #define PRVM_DECLARE_menufieldfunction(x)
 367 #define PRVM_DECLARE_serverfunction(x)
 368 #define PRVM_DECLARE_clientfunction(x)
 369 #define PRVM_DECLARE_menufunction(x)
 370 #define PRVM_DECLARE_field(x)
 371 #define PRVM_DECLARE_global(x)
 372 #define PRVM_DECLARE_function(x)
 373 #include "prvm_offsets.h"
 374 #undef PRVM_DECLARE_serverglobalfloat
 375 #undef PRVM_DECLARE_serverglobalvector
 376 #undef PRVM_DECLARE_serverglobalstring
 377 #undef PRVM_DECLARE_serverglobaledict
 378 #undef PRVM_DECLARE_serverglobalfunction
 379 #undef PRVM_DECLARE_clientglobalfloat
 380 #undef PRVM_DECLARE_clientglobalvector
 381 #undef PRVM_DECLARE_clientglobalstring
 382 #undef PRVM_DECLARE_clientglobaledict
 383 #undef PRVM_DECLARE_clientglobalfunction
 384 #undef PRVM_DECLARE_menuglobalfloat
 385 #undef PRVM_DECLARE_menuglobalvector
 386 #undef PRVM_DECLARE_menuglobalstring
 387 #undef PRVM_DECLARE_menuglobaledict
 388 #undef PRVM_DECLARE_menuglobalfunction
 389 #undef PRVM_DECLARE_serverfieldfloat
 390 #undef PRVM_DECLARE_serverfieldvector
 391 #undef PRVM_DECLARE_serverfieldstring
 392 #undef PRVM_DECLARE_serverfieldedict
 393 #undef PRVM_DECLARE_serverfieldfunction
 394 #undef PRVM_DECLARE_clientfieldfloat
 395 #undef PRVM_DECLARE_clientfieldvector
 396 #undef PRVM_DECLARE_clientfieldstring
 397 #undef PRVM_DECLARE_clientfieldedict
 398 #undef PRVM_DECLARE_clientfieldfunction
 399 #undef PRVM_DECLARE_menufieldfloat
 400 #undef PRVM_DECLARE_menufieldvector
 401 #undef PRVM_DECLARE_menufieldstring
 402 #undef PRVM_DECLARE_menufieldedict
 403 #undef PRVM_DECLARE_menufieldfunction
 404 #undef PRVM_DECLARE_serverfunction
 405 #undef PRVM_DECLARE_clientfunction
 406 #undef PRVM_DECLARE_menufunction
 407 #undef PRVM_DECLARE_field
 408 #undef PRVM_DECLARE_global
 409 #undef PRVM_DECLARE_function
 410 };
 411
 412
 413
 414 //============================================================================
 415
 416 static void SV_AreaStats_f(void)
 417 {
 418         World_PrintAreaStats(&sv.world, "server");
 419 }
 420
 421 /*
 422 ===============
 423 SV_Init
 424 ===============
 425 */
 426 void SV_Init (void)
 427 {
 428         // init the csqc progs cvars, since they are updated/used by the server code
 429         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
 430         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
 431         extern cvar_t csqc_progcrc;
 432         extern cvar_t csqc_progsize;
 433         extern cvar_t csqc_usedemoprogs;
 434
 435         Cvar_RegisterVariable(&sv_worldmessage);
 436         Cvar_RegisterVariable(&sv_worldname);
 437         Cvar_RegisterVariable(&sv_worldnamenoextension);
 438         Cvar_RegisterVariable(&sv_worldbasename);
 439
 440         Cvar_RegisterVariable (&csqc_progname);
 441         Cvar_RegisterVariable (&csqc_progcrc);
 442         Cvar_RegisterVariable (&csqc_progsize);
 443         Cvar_RegisterVariable (&csqc_usedemoprogs);
 444
 445         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
 446         Cmd_AddCommand("sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
 447         Cmd_AddCommand_WithClientCommand("sv_startdownload", NULL, SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
 448         Cmd_AddCommand_WithClientCommand("download", NULL, SV_Download_f, "downloads a specified file from the server");
 449
 450         Cvar_RegisterVariable (&sv_disablenotify);
 451         Cvar_RegisterVariable (&coop);
 452         Cvar_RegisterVariable (&deathmatch);
 453         Cvar_RegisterVariable (&fraglimit);
 454         Cvar_RegisterVariable (&gamecfg);
 455         Cvar_RegisterVariable (&noexit);
 456         Cvar_RegisterVariable (&nomonsters);
 457         Cvar_RegisterVariable (&pausable);
 458         Cvar_RegisterVariable (&pr_checkextension);
 459         Cvar_RegisterVariable (&samelevel);
 460         Cvar_RegisterVariable (&skill);
 461         Cvar_RegisterVariable (&slowmo);
 462         Cvar_RegisterVariable (&sv_accelerate);
 463         Cvar_RegisterVariable (&sv_aim);
 464         Cvar_RegisterVariable (&sv_airaccel_qw);
 465         Cvar_RegisterVariable (&sv_airaccel_qw_stretchfactor);
 466         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
 467         Cvar_RegisterVariable (&sv_airaccelerate);
 468         Cvar_RegisterVariable (&sv_airstopaccelerate);
 469         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
 470         Cvar_RegisterVariable (&sv_maxairstrafespeed);
 471         Cvar_RegisterVariable (&sv_airstrafeaccel_qw);
 472         Cvar_RegisterVariable (&sv_airspeedlimit_nonqw);
 473         Cvar_RegisterVariable (&sv_aircontrol);
 474         Cvar_RegisterVariable (&sv_aircontrol_power);
 475         Cvar_RegisterVariable (&sv_aircontrol_penalty);
 476         Cvar_RegisterVariable (&sv_allowdownloads);
 477         Cvar_RegisterVariable (&sv_allowdownloads_archive);
 478         Cvar_RegisterVariable (&sv_allowdownloads_config);
 479         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
 480         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
 481         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
 482         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
 483         Cvar_RegisterVariable (&sv_clmovement_enable);
 484         Cvar_RegisterVariable (&sv_clmovement_minping);
 485         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
 486         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
 487         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
 488         Cvar_RegisterVariable (&sv_cullentities_pvs);
 489         Cvar_RegisterVariable (&sv_cullentities_stats);
 490         Cvar_RegisterVariable (&sv_cullentities_trace);
 491         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
 492         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
 493         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
 494         Cvar_RegisterVariable (&sv_cullentities_trace_entityocclusion);
 495         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
 496         Cvar_RegisterVariable (&sv_cullentities_trace_prediction_time);
 497         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
 498         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
 499         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
 500         Cvar_RegisterVariable (&sv_debugmove);
 501         Cvar_RegisterVariable (&sv_echobprint);
 502         Cvar_RegisterVariable (&sv_edgefriction);
 503         Cvar_RegisterVariable (&sv_entpatch);
 504         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
 505         Cvar_RegisterVariable (&sv_freezenonclients);
 506         Cvar_RegisterVariable (&sv_friction);
 507         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
 508         Cvar_RegisterVariable (&sv_gameplayfix_consistentplayerprethink);
 509         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
 510         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
 511         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
 512         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
 513         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
 514         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
 515         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
 516         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
 517         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
 518         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
 519         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid);
 520         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid_separation);
 521         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
 522         Cvar_RegisterVariable (&sv_gameplayfix_nogravityonground);
 523         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
 524         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
 525         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
 526         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
 527         Cvar_RegisterVariable (&sv_gameplayfix_stepmultipletimes);
 528         Cvar_RegisterVariable (&sv_gameplayfix_nostepmoveonsteepslopes);
 529         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
 530         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
 531         Cvar_RegisterVariable (&sv_gameplayfix_downtracesupportsongroundflag);
 532         Cvar_RegisterVariable (&sv_gameplayfix_q1bsptracelinereportstexture);
 533         Cvar_RegisterVariable (&sv_gameplayfix_unstickplayers);
 534         Cvar_RegisterVariable (&sv_gameplayfix_unstickentities);
 535         Cvar_RegisterVariable (&sv_gameplayfix_fixedcheckwatertransition);
 536         Cvar_RegisterVariable (&sv_gravity);
 537         Cvar_RegisterVariable (&sv_idealpitchscale);
 538         Cvar_RegisterVariable (&sv_jumpstep);
 539         Cvar_RegisterVariable (&sv_jumpvelocity);
 540         Cvar_RegisterVariable (&sv_maxairspeed);
 541         Cvar_RegisterVariable (&sv_maxrate);
 542         Cvar_RegisterVariable (&sv_maxspeed);
 543         Cvar_RegisterVariable (&sv_maxvelocity);
 544         Cvar_RegisterVariable (&sv_nostep);
 545         Cvar_RegisterVariable (&sv_playerphysicsqc);
 546         Cvar_RegisterVariable (&sv_progs);
 547         Cvar_RegisterVariable (&sv_protocolname);
 548         Cvar_RegisterVariable (&sv_random_seed);
 549         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
 550         Cvar_RegisterVariable (&sv_sound_land);
 551         Cvar_RegisterVariable (&sv_sound_watersplash);
 552         Cvar_RegisterVariable (&sv_stepheight);
 553         Cvar_RegisterVariable (&sv_stopspeed);
 554         Cvar_RegisterVariable (&sv_wallfriction);
 555         Cvar_RegisterVariable (&sv_wateraccelerate);
 556         Cvar_RegisterVariable (&sv_waterfriction);
 557         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
 558         Cvar_RegisterVariable (&sv_warsowbunny_accel);
 559         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
 560         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
 561         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
 562         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
 563         Cvar_RegisterVariable (&sv_areadebug);
 564         Cvar_RegisterVariable (&sys_ticrate);
 565         Cvar_RegisterVariable (&teamplay);
 566         Cvar_RegisterVariable (&timelimit);
 567         Cvar_RegisterVariable (&sv_threaded);
 568
 569         Cvar_RegisterVariable (&saved1);
 570         Cvar_RegisterVariable (&saved2);
 571         Cvar_RegisterVariable (&saved3);
 572         Cvar_RegisterVariable (&saved4);
 573         Cvar_RegisterVariable (&savedgamecfg);
 574         Cvar_RegisterVariable (&scratch1);
 575         Cvar_RegisterVariable (&scratch2);
 576         Cvar_RegisterVariable (&scratch3);
 577         Cvar_RegisterVariable (&scratch4);
 578         Cvar_RegisterVariable (&temp1);
 579
 580         // LordHavoc: Nehahra uses these to pass data around cutscene demos
 581         Cvar_RegisterVariable (&nehx00);
 582         Cvar_RegisterVariable (&nehx01);
 583         Cvar_RegisterVariable (&nehx02);
 584         Cvar_RegisterVariable (&nehx03);
 585         Cvar_RegisterVariable (&nehx04);
 586         Cvar_RegisterVariable (&nehx05);
 587         Cvar_RegisterVariable (&nehx06);
 588         Cvar_RegisterVariable (&nehx07);
 589         Cvar_RegisterVariable (&nehx08);
 590         Cvar_RegisterVariable (&nehx09);
 591         Cvar_RegisterVariable (&nehx10);
 592         Cvar_RegisterVariable (&nehx11);
 593         Cvar_RegisterVariable (&nehx12);
 594         Cvar_RegisterVariable (&nehx13);
 595         Cvar_RegisterVariable (&nehx14);
 596         Cvar_RegisterVariable (&nehx15);
 597         Cvar_RegisterVariable (&nehx16);
 598         Cvar_RegisterVariable (&nehx17);
 599         Cvar_RegisterVariable (&nehx18);
 600         Cvar_RegisterVariable (&nehx19);
 601         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
 602
 603         Cvar_RegisterVariable (&sv_autodemo_perclient);
 604         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
 605         Cvar_RegisterVariable (&sv_autodemo_perclient_discardable);
 606
 607         Cvar_RegisterVariable (&halflifebsp);
 608
 609         sv_mempool = Mem_AllocPool("server", 0, NULL);
 610 }
 611
 612 static void SV_SaveEntFile_f(void)
 613 {
 614         char vabuf[1024];
 615         if (!sv.active || !sv.worldmodel)
 616         {
 617                 Con_Print("Not running a server\n");
 618                 return;
 619         }
 620         FS_WriteFile(va(vabuf, sizeof(vabuf), "%s.ent", sv.worldnamenoextension), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
 621 }
 622
 623
 624 /*
 625 =============================================================================
 626
 627 EVENT MESSAGES
 628
 629 =============================================================================
 630 */
 631
 632 /*
 633 ==================
 634 SV_StartParticle
 635
 636 Make sure the event gets sent to all clients
 637 ==================
 638 */
 639 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 640 {
 641         int i;
 642
 643         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 644                 return;
 645         MSG_WriteByte (&sv.datagram, svc_particle);
 646         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 647         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 648         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 649         for (i=0 ; i<3 ; i++)
 650                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
 651         MSG_WriteByte (&sv.datagram, count);
 652         MSG_WriteByte (&sv.datagram, color);
 653         SV_FlushBroadcastMessages();
 654 }
 655
 656 /*
 657 ==================
 658 SV_StartEffect
 659
 660 Make sure the event gets sent to all clients
 661 ==================
 662 */
 663 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 664 {
 665         if (modelindex >= 256 || startframe >= 256)
 666         {
 667                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 668                         return;
 669                 MSG_WriteByte (&sv.datagram, svc_effect2);
 670                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 671                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 672                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 673                 MSG_WriteShort (&sv.datagram, modelindex);
 674                 MSG_WriteShort (&sv.datagram, startframe);
 675                 MSG_WriteByte (&sv.datagram, framecount);
 676                 MSG_WriteByte (&sv.datagram, framerate);
 677         }
 678         else
 679         {
 680                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 681                         return;
 682                 MSG_WriteByte (&sv.datagram, svc_effect);
 683                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 684                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 685                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 686                 MSG_WriteByte (&sv.datagram, modelindex);
 687                 MSG_WriteByte (&sv.datagram, startframe);
 688                 MSG_WriteByte (&sv.datagram, framecount);
 689                 MSG_WriteByte (&sv.datagram, framerate);
 690         }
 691         SV_FlushBroadcastMessages();
 692 }
 693
 694 /*
 695 ==================
 696 SV_StartSound
 697
 698 Each entity can have eight independant sound sources, like voice,
 699 weapon, feet, etc.
 700
 701 Channel 0 is an auto-allocate channel, the others override anything
 702 already running on that entity/channel pair.
 703
 704 An attenuation of 0 will play full volume everywhere in the level.
 705 Larger attenuations will drop off.  (max 4 attenuation)
 706
 707 ==================
 708 */
 709 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation, qboolean reliable, float speed)
 710 {
 711         prvm_prog_t *prog = SVVM_prog;
 712         sizebuf_t *dest;
 713         int sound_num, field_mask, i, ent, speed4000;
 714
 715         dest = (reliable ? &sv.reliable_datagram : &sv.datagram);
 716
 717         if (volume < 0 || volume > 255)
 718         {
 719                 Con_Printf ("SV_StartSound: volume = %i\n", volume);
 720                 return;
 721         }
 722
 723         if (attenuation < 0 || attenuation > 4)
 724         {
 725                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
 726                 return;
 727         }
 728
 729         if (!IS_CHAN(channel))
 730         {
 731                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
 732                 return;
 733         }
 734
 735         channel = CHAN_ENGINE2NET(channel);
 736
 737         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 738                 return;
 739
 740 // find precache number for sound
 741         sound_num = SV_SoundIndex(sample, 1);
 742         if (!sound_num)
 743                 return;
 744
 745         ent = PRVM_NUM_FOR_EDICT(entity);
 746
 747         speed4000 = (int)floor(speed * 4000.0f + 0.5f);
 748         field_mask = 0;
 749         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 750                 field_mask |= SND_VOLUME;
 751         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 752                 field_mask |= SND_ATTENUATION;
 753         if (speed4000 && speed4000 != 4000)
 754                 field_mask |= SND_SPEEDUSHORT4000;
 755         if (ent >= 8192 || channel < 0 || channel > 7)
 756                 field_mask |= SND_LARGEENTITY;
 757         if (sound_num >= 256)
 758                 field_mask |= SND_LARGESOUND;
 759
 760 // directed messages go only to the entity they are targeted on
 761         MSG_WriteByte (dest, svc_sound);
 762         MSG_WriteByte (dest, field_mask);
 763         if (field_mask & SND_VOLUME)
 764                 MSG_WriteByte (dest, volume);
 765         if (field_mask & SND_ATTENUATION)
 766                 MSG_WriteByte (dest, (int)(attenuation*64));
 767         if (field_mask & SND_SPEEDUSHORT4000)
 768                 MSG_WriteShort (dest, speed4000);
 769         if (field_mask & SND_LARGEENTITY)
 770         {
 771                 MSG_WriteShort (dest, ent);
 772                 MSG_WriteChar (dest, channel);
 773         }
 774         else
 775                 MSG_WriteShort (dest, (ent<<3) | channel);
 776         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
 777                 MSG_WriteShort (dest, sound_num);
 778         else
 779                 MSG_WriteByte (dest, sound_num);
 780         for (i = 0;i < 3;i++)
 781                 MSG_WriteCoord (dest, PRVM_serveredictvector(entity, origin)[i]+0.5*(PRVM_serveredictvector(entity, mins)[i]+PRVM_serveredictvector(entity, maxs)[i]), sv.protocol);
 782
 783         // TODO do we have to do anything here when dest is &sv.reliable_datagram?
 784         if(!reliable)
 785                 SV_FlushBroadcastMessages();
 786 }
 787
 788 /*
 789 ==================
 790 SV_StartPointSound
 791
 792 Nearly the same logic as SV_StartSound, except an origin
 793 instead of an entity is provided and channel is omitted.
 794
 795 The entity sent to the client is 0 (world) and the channel
 796 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
 797 function, therefore the check for it is omitted.
 798
 799 ==================
 800 */
 801 void SV_StartPointSound (vec3_t origin, const char *sample, int volume, float attenuation, float speed)
 802 {
 803         int sound_num, field_mask, i, speed4000;
 804
 805         if (volume < 0 || volume > 255)
 806         {
 807                 Con_Printf ("SV_StartPointSound: volume = %i\n", volume);
 808                 return;
 809         }
 810
 811         if (attenuation < 0 || attenuation > 4)
 812         {
 813                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
 814                 return;
 815         }
 816
 817         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 818                 return;
 819
 820         // find precache number for sound
 821         sound_num = SV_SoundIndex(sample, 1);
 822         if (!sound_num)
 823                 return;
 824
 825         speed4000 = (int)(speed * 40.0f);
 826         field_mask = 0;
 827         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 828                 field_mask |= SND_VOLUME;
 829         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 830                 field_mask |= SND_ATTENUATION;
 831         if (sound_num >= 256)
 832                 field_mask |= SND_LARGESOUND;
 833         if (speed4000 && speed4000 != 4000)
 834                 field_mask |= SND_SPEEDUSHORT4000;
 835
 836 // directed messages go only to the entity they are targeted on
 837         MSG_WriteByte (&sv.datagram, svc_sound);
 838         MSG_WriteByte (&sv.datagram, field_mask);
 839         if (field_mask & SND_VOLUME)
 840                 MSG_WriteByte (&sv.datagram, volume);
 841         if (field_mask & SND_ATTENUATION)
 842                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 843         if (field_mask & SND_SPEEDUSHORT4000)
 844                 MSG_WriteShort (&sv.datagram, speed4000);
 845         // Always write entnum 0 for the world entity
 846         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
 847         if (field_mask & SND_LARGESOUND)
 848                 MSG_WriteShort (&sv.datagram, sound_num);
 849         else
 850                 MSG_WriteByte (&sv.datagram, sound_num);
 851         for (i = 0;i < 3;i++)
 852                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
 853         SV_FlushBroadcastMessages();
 854 }
 855
 856 /*
 857 ==============================================================================
 858
 859 CLIENT SPAWNING
 860
 861 ==============================================================================
 862 */
 863
 864 /*
 865 ================
 866 SV_SendServerinfo
 867
 868 Sends the first message from the server to a connected client.
 869 This will be sent on the initial connection and upon each server load.
 870 ================
 871 */
 872 void SV_SendServerinfo (client_t *client)
 873 {
 874         prvm_prog_t *prog = SVVM_prog;
 875         int i;
 876         char message[128];
 877         char vabuf[1024];
 878
 879         // we know that this client has a netconnection and thus is not a bot
 880
 881         // edicts get reallocated on level changes, so we need to update it here
 882         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
 883
 884         // clear cached stuff that depends on the level
 885         client->weaponmodel[0] = 0;
 886         client->weaponmodelindex = 0;
 887
 888         // LordHavoc: clear entityframe tracking
 889         client->latestframenum = 0;
 890
 891         // initialize the movetime, so a speedhack can't make use of the time before this client joined
 892         client->cmd.time = sv.time;
 893
 894         if (client->entitydatabase)
 895                 EntityFrame_FreeDatabase(client->entitydatabase);
 896         if (client->entitydatabase4)
 897                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 898         if (client->entitydatabase5)
 899                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 900
 901         memset(client->stats, 0, sizeof(client->stats));
 902         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
 903
 904         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)
 905         {
 906                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 907                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
 908                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
 909                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
 910                 else
 911                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
 912         }
 913
 914         // reset csqc entity versions
 915         for (i = 0;i < prog->max_edicts;i++)
 916         {
 917                 client->csqcentityscope[i] = 0;
 918                 client->csqcentitysendflags[i] = 0xFFFFFF;
 919                 client->csqcentityglobalhistory[i] = 0;
 920         }
 921         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
 922         {
 923                 client->csqcentityframehistory[i].num = 0;
 924                 client->csqcentityframehistory[i].framenum = -1;
 925         }
 926         client->csqcnumedicts = 0;
 927         client->csqcentityframehistory_next = 0;
 928
 929         SZ_Clear (&client->netconnection->message);
 930         MSG_WriteByte (&client->netconnection->message, svc_print);
 931         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)\n", gamename, buildstring, prog->filecrc);
 932         MSG_WriteString (&client->netconnection->message,message);
 933
 934         SV_StopDemoRecording(client); // to split up demos into different files
 935         if(sv_autodemo_perclient.integer && client->netconnection)
 936         {
 937                 char demofile[MAX_OSPATH];
 938                 char ipaddress[MAX_QPATH];
 939                 size_t i;
 940
 941                 // start a new demo file
 942                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
 943                 for(i = 0; ipaddress[i]; ++i)
 944                         if(!isalnum(ipaddress[i]))
 945                                 ipaddress[i] = '-';
 946                 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);
 947
 948                 SV_StartDemoRecording(client, demofile, -1);
 949         }
 950
 951         //[515]: init csprogs according to version of svprogs, check the crc, etc.
 952         if (sv.csqc_progname[0])
 953         {
 954                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
 955                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 956                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progname %s\n", sv.csqc_progname));
 957                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 958                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progsize %i\n", sv.csqc_progsize));
 959                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 960                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progcrc %i\n", sv.csqc_progcrc));
 961
 962                 if(client->sv_demo_file != NULL)
 963                 {
 964                         int i;
 965                         static char buf[NET_MAXMESSAGE];
 966                         sizebuf_t sb;
 967
 968                         sb.data = (unsigned char *) buf;
 969                         sb.maxsize = sizeof(buf);
 970                         i = 0;
 971                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, i++, &sb, sv.protocol))
 972                                 SV_WriteDemoMessage(client, &sb, false);
 973                 }
 974
 975                 //[515]: init stufftext string (it is sent before svc_serverinfo)
 976                 if (PRVM_GetString(prog, PRVM_serverglobalstring(SV_InitCmd)))
 977                 {
 978                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 979                         MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "%s\n", PRVM_GetString(prog, PRVM_serverglobalstring(SV_InitCmd))));
 980                 }
 981         }
 982
 983         //if (sv_allowdownloads.integer)
 984         // always send the info that the server supports the protocol, even if downloads are forbidden
 985         // only because of that, the CSQC exception can work
 986         {
 987                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 988                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
 989         }
 990
 991         // send at this time so it's guaranteed to get executed at the right time
 992         {
 993                 client_t *save;
 994                 save = host_client;
 995                 host_client = client;
 996                 Curl_SendRequirements();
 997                 host_client = save;
 998         }
 999
1000         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
1001         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
1002         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
1003
1004         if (!coop.integer && deathmatch.integer)
1005                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
1006         else
1007                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
1008
1009         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog, PRVM_serveredictstring(prog->edicts, message)));
1010
1011         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
1012                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
1013         MSG_WriteByte (&client->netconnection->message, 0);
1014
1015         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
1016                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
1017         MSG_WriteByte (&client->netconnection->message, 0);
1018
1019 // send music
1020         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
1021         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
1022         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
1023
1024 // set view
1025 // store this in clientcamera, too
1026         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
1027         MSG_WriteByte (&client->netconnection->message, svc_setview);
1028         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
1029
1030         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
1031         MSG_WriteByte (&client->netconnection->message, 1);
1032
1033         client->prespawned = false;             // need prespawn, spawn, etc
1034         client->spawned = false;                // need prespawn, spawn, etc
1035         client->begun = false;                  // need prespawn, spawn, etc
1036         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
1037
1038         // clear movement info until client enters the new level properly
1039         memset(&client->cmd, 0, sizeof(client->cmd));
1040         client->movesequence = 0;
1041         client->movement_highestsequence_seen = 0;
1042         memset(&client->movement_count, 0, sizeof(client->movement_count));
1043 #ifdef NUM_PING_TIMES
1044         for (i = 0;i < NUM_PING_TIMES;i++)
1045                 client->ping_times[i] = 0;
1046         client->num_pings = 0;
1047 #endif
1048         client->ping = 0;
1049
1050         // allow the client some time to send his keepalives, even if map loading took ages
1051         client->netconnection->timeout = realtime + net_connecttimeout.value;
1052 }
1053
1054 /*
1055 ================
1056 SV_ConnectClient
1057
1058 Initializes a client_t for a new net connection.  This will only be called
1059 once for a player each game, not once for each level change.
1060 ================
1061 */
1062 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
1063 {
1064         prvm_prog_t *prog = SVVM_prog;
1065         client_t                *client;
1066         int                             i;
1067
1068         client = svs.clients + clientnum;
1069
1070 // set up the client_t
1071         if (sv.loadgame)
1072         {
1073                 float backupparms[NUM_SPAWN_PARMS];
1074                 memcpy(backupparms, client->spawn_parms, sizeof(backupparms));
1075                 memset(client, 0, sizeof(*client));
1076                 memcpy(client->spawn_parms, backupparms, sizeof(backupparms));
1077         }
1078         else
1079                 memset(client, 0, sizeof(*client));
1080         client->active = true;
1081         client->netconnection = netconnection;
1082
1083         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
1084
1085         if(client->netconnection && client->netconnection->crypto.authenticated)
1086         {
1087                 Con_Printf("%s connection to %s has been established: client is %s@%.*s, I am %.*s@%.*s\n",
1088                                 client->netconnection->crypto.use_aes ? "Encrypted" : "Authenticated",
1089                                 client->netconnection->address,
1090                                 client->netconnection->crypto.client_idfp[0] ? client->netconnection->crypto.client_idfp : "-",
1091                                 crypto_keyfp_recommended_length, client->netconnection->crypto.client_keyfp[0] ? client->netconnection->crypto.client_keyfp : "-",
1092                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_idfp[0] ? client->netconnection->crypto.server_idfp : "-",
1093                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_keyfp[0] ? client->netconnection->crypto.server_keyfp : "-"
1094                                 );
1095         }
1096
1097         strlcpy(client->name, "unconnected", sizeof(client->name));
1098         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
1099         client->prespawned = false;
1100         client->spawned = false;
1101         client->begun = false;
1102         client->edict = PRVM_EDICT_NUM(clientnum+1);
1103         if (client->netconnection)
1104                 client->netconnection->message.allowoverflow = true;            // we can catch it
1105         // prepare the unreliable message buffer
1106         client->unreliablemsg.data = client->unreliablemsg_data;
1107         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
1108         // updated by receiving "rate" command from client, this is also the default if not using a DP client
1109         client->rate = 1000000000;
1110         // no limits for local player
1111         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
1112                 client->rate = 1000000000;
1113         client->connecttime = realtime;
1114
1115         if (!sv.loadgame)
1116         {
1117                 // call the progs to get default spawn parms for the new client
1118                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
1119                 PRVM_serverglobalfloat(time) = sv.time;
1120                 PRVM_serverglobaledict(self) = 0;
1121                 prog->ExecuteProgram(prog, PRVM_serverfunction(SetNewParms), "QC function SetNewParms is missing");
1122                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1123                         client->spawn_parms[i] = (&PRVM_serverglobalfloat(parm1))[i];
1124
1125                 // set up the entity for this client (including .colormap, .team, etc)
1126                 PRVM_ED_ClearEdict(prog, client->edict);
1127         }
1128
1129         // don't call SendServerinfo for a fresh botclient because its fields have
1130         // not been set up by the qc yet
1131         if (client->netconnection)
1132                 SV_SendServerinfo (client);
1133         else
1134                 client->prespawned = client->spawned = client->begun = true;
1135 }
1136
1137
1138 /*
1139 ===============================================================================
1140
1141 FRAME UPDATES
1142
1143 ===============================================================================
1144 */
1145
1146 /*
1147 =============================================================================
1148
1149 The PVS must include a small area around the client to allow head bobbing
1150 or other small motion on the client side.  Otherwise, a bob might cause an
1151 entity that should be visible to not show up, especially when the bob
1152 crosses a waterline.
1153
1154 =============================================================================
1155 */
1156
1157 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1158 {
1159         prvm_prog_t *prog = SVVM_prog;
1160         int i;
1161         unsigned int sendflags;
1162         unsigned int version;
1163         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1164         unsigned int customizeentityforclient;
1165         unsigned int sendentity;
1166         float f;
1167         prvm_vec_t *v;
1168         vec3_t cullmins, cullmaxs;
1169         dp_model_t *model;
1170
1171         // fast path for games that do not use legacy entity networking
1172         // note: still networks clients even if they are legacy
1173         sendentity = PRVM_serveredictfunction(ent, SendEntity);
1174         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1175                 return false;
1176
1177         // this 2 billion unit check is actually to detect NAN origins
1178         // (we really don't want to send those)
1179         if (!(VectorLength2(PRVM_serveredictvector(ent, origin)) < 2000000000.0*2000000000.0))
1180                 return false;
1181
1182         // EF_NODRAW prevents sending for any reason except for your own
1183         // client, so we must keep all clients in this superset
1184         effects = (unsigned)PRVM_serveredictfloat(ent, effects);
1185
1186         // we can omit invisible entities with no effects that are not clients
1187         // LordHavoc: this could kill tags attached to an invisible entity, I
1188         // just hope we never have to support that case
1189         i = (int)PRVM_serveredictfloat(ent, modelindex);
1190         modelindex = (i >= 1 && i < MAX_MODELS && PRVM_serveredictstring(ent, model) && *PRVM_GetString(prog, PRVM_serveredictstring(ent, model)) && sv.models[i]) ? i : 0;
1191
1192         flags = 0;
1193         i = (int)(PRVM_serveredictfloat(ent, glow_size) * 0.25f);
1194         glowsize = (unsigned char)bound(0, i, 255);
1195         if (PRVM_serveredictfloat(ent, glow_trail))
1196                 flags |= RENDER_GLOWTRAIL;
1197         if (PRVM_serveredictedict(ent, viewmodelforclient))
1198                 flags |= RENDER_VIEWMODEL;
1199
1200         v = PRVM_serveredictvector(ent, color);
1201         f = v[0]*256;
1202         light[0] = (unsigned short)bound(0, f, 65535);
1203         f = v[1]*256;
1204         light[1] = (unsigned short)bound(0, f, 65535);
1205         f = v[2]*256;
1206         light[2] = (unsigned short)bound(0, f, 65535);
1207         f = PRVM_serveredictfloat(ent, light_lev);
1208         light[3] = (unsigned short)bound(0, f, 65535);
1209         lightstyle = (unsigned char)PRVM_serveredictfloat(ent, style);
1210         lightpflags = (unsigned char)PRVM_serveredictfloat(ent, pflags);
1211
1212         if (gamemode == GAME_TENEBRAE)
1213         {
1214                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1215                 if (effects & 16)
1216                 {
1217                         effects &= ~16;
1218                         lightpflags |= PFLAGS_FULLDYNAMIC;
1219                 }
1220                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1221                 if (effects & 32)
1222                 {
1223                         effects &= ~32;
1224                         light[0] = (int)(0.2*256);
1225                         light[1] = (int)(1.0*256);
1226                         light[2] = (int)(0.2*256);
1227                         light[3] = 200;
1228                         lightpflags |= PFLAGS_FULLDYNAMIC;
1229                 }
1230         }
1231
1232         specialvisibilityradius = 0;
1233         if (lightpflags & PFLAGS_FULLDYNAMIC)
1234                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1235         if (glowsize)
1236                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1237         if (flags & RENDER_GLOWTRAIL)
1238                 specialvisibilityradius = max(specialvisibilityradius, 100);
1239         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1240         {
1241                 if (effects & EF_BRIGHTFIELD)
1242                         specialvisibilityradius = max(specialvisibilityradius, 80);
1243                 if (effects & EF_MUZZLEFLASH)
1244                         specialvisibilityradius = max(specialvisibilityradius, 100);
1245                 if (effects & EF_BRIGHTLIGHT)
1246                         specialvisibilityradius = max(specialvisibilityradius, 400);
1247                 if (effects & EF_DIMLIGHT)
1248                         specialvisibilityradius = max(specialvisibilityradius, 200);
1249                 if (effects & EF_RED)
1250                         specialvisibilityradius = max(specialvisibilityradius, 200);
1251                 if (effects & EF_BLUE)
1252                         specialvisibilityradius = max(specialvisibilityradius, 200);
1253                 if (effects & EF_FLAME)
1254                         specialvisibilityradius = max(specialvisibilityradius, 250);
1255                 if (effects & EF_STARDUST)
1256                         specialvisibilityradius = max(specialvisibilityradius, 100);
1257         }
1258
1259         // early culling checks
1260         // (final culling is done by SV_MarkWriteEntityStateToClient)
1261         customizeentityforclient = PRVM_serveredictfunction(ent, customizeentityforclient);
1262         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1263                 return false;
1264
1265         *cs = defaultstate;
1266         cs->active = ACTIVE_NETWORK;
1267         cs->number = enumber;
1268         VectorCopy(PRVM_serveredictvector(ent, origin), cs->origin);
1269         VectorCopy(PRVM_serveredictvector(ent, angles), cs->angles);
1270         cs->flags = flags;
1271         cs->effects = effects;
1272         cs->colormap = (unsigned)PRVM_serveredictfloat(ent, colormap);
1273         cs->modelindex = modelindex;
1274         cs->skin = (unsigned)PRVM_serveredictfloat(ent, skin);
1275         cs->frame = (unsigned)PRVM_serveredictfloat(ent, frame);
1276         cs->viewmodelforclient = PRVM_serveredictedict(ent, viewmodelforclient);
1277         cs->exteriormodelforclient = PRVM_serveredictedict(ent, exteriormodeltoclient);
1278         cs->nodrawtoclient = PRVM_serveredictedict(ent, nodrawtoclient);
1279         cs->drawonlytoclient = PRVM_serveredictedict(ent, drawonlytoclient);
1280         cs->customizeentityforclient = customizeentityforclient;
1281         cs->tagentity = PRVM_serveredictedict(ent, tag_entity);
1282         cs->tagindex = (unsigned char)PRVM_serveredictfloat(ent, tag_index);
1283         cs->glowsize = glowsize;
1284         cs->traileffectnum = PRVM_serveredictfloat(ent, traileffectnum);
1285
1286         // don't need to init cs->colormod because the defaultstate did that for us
1287         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1288         v = PRVM_serveredictvector(ent, colormod);
1289         if (VectorLength2(v))
1290         {
1291                 i = (int)(v[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1292                 i = (int)(v[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1293                 i = (int)(v[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1294         }
1295
1296         // don't need to init cs->glowmod because the defaultstate did that for us
1297         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1298         v = PRVM_serveredictvector(ent, glowmod);
1299         if (VectorLength2(v))
1300         {
1301                 i = (int)(v[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1302                 i = (int)(v[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1303                 i = (int)(v[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1304         }
1305
1306         cs->modelindex = modelindex;
1307
1308         cs->alpha = 255;
1309         f = (PRVM_serveredictfloat(ent, alpha) * 255.0f);
1310         if (f)
1311         {
1312                 i = (int)f;
1313                 cs->alpha = (unsigned char)bound(0, i, 255);
1314         }
1315         // halflife
1316         f = (PRVM_serveredictfloat(ent, renderamt));
1317         if (f)
1318         {
1319                 i = (int)f;
1320                 cs->alpha = (unsigned char)bound(0, i, 255);
1321         }
1322
1323         cs->scale = 16;
1324         f = (PRVM_serveredictfloat(ent, scale) * 16.0f);
1325         if (f)
1326         {
1327                 i = (int)f;
1328                 cs->scale = (unsigned char)bound(0, i, 255);
1329         }
1330
1331         cs->glowcolor = 254;
1332         f = PRVM_serveredictfloat(ent, glow_color);
1333         if (f)
1334                 cs->glowcolor = (int)f;
1335
1336         if (PRVM_serveredictfloat(ent, fullbright))
1337                 cs->effects |= EF_FULLBRIGHT;
1338
1339         f = PRVM_serveredictfloat(ent, modelflags);
1340         if (f)
1341                 cs->effects |= ((unsigned int)f & 0xff) << 24;
1342
1343         if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
1344                 cs->flags |= RENDER_STEP;
1345         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)
1346                 cs->flags |= RENDER_LOWPRECISION;
1347         if (PRVM_serveredictfloat(ent, colormap) >= 1024)
1348                 cs->flags |= RENDER_COLORMAPPED;
1349         if (cs->viewmodelforclient)
1350                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1351
1352         if (PRVM_serveredictfloat(ent, sendcomplexanimation))
1353         {
1354                 cs->flags |= RENDER_COMPLEXANIMATION;
1355                 if (PRVM_serveredictfloat(ent, skeletonindex) >= 1)
1356                         cs->skeletonobject = ent->priv.server->skeleton;
1357                 cs->framegroupblend[0].frame = PRVM_serveredictfloat(ent, frame);
1358                 cs->framegroupblend[1].frame = PRVM_serveredictfloat(ent, frame2);
1359                 cs->framegroupblend[2].frame = PRVM_serveredictfloat(ent, frame3);
1360                 cs->framegroupblend[3].frame = PRVM_serveredictfloat(ent, frame4);
1361                 cs->framegroupblend[0].start = PRVM_serveredictfloat(ent, frame1time);
1362                 cs->framegroupblend[1].start = PRVM_serveredictfloat(ent, frame2time);
1363                 cs->framegroupblend[2].start = PRVM_serveredictfloat(ent, frame3time);
1364                 cs->framegroupblend[3].start = PRVM_serveredictfloat(ent, frame4time);
1365                 cs->framegroupblend[1].lerp = PRVM_serveredictfloat(ent, lerpfrac);
1366                 cs->framegroupblend[2].lerp = PRVM_serveredictfloat(ent, lerpfrac3);
1367                 cs->framegroupblend[3].lerp = PRVM_serveredictfloat(ent, lerpfrac4);
1368                 cs->framegroupblend[0].lerp = 1.0f - cs->framegroupblend[1].lerp - cs->framegroupblend[2].lerp - cs->framegroupblend[3].lerp;
1369                 cs->frame = 0; // don't need the legacy frame
1370         }
1371
1372         cs->light[0] = light[0];
1373         cs->light[1] = light[1];
1374         cs->light[2] = light[2];
1375         cs->light[3] = light[3];
1376         cs->lightstyle = lightstyle;
1377         cs->lightpflags = lightpflags;
1378
1379         cs->specialvisibilityradius = specialvisibilityradius;
1380
1381         // calculate the visible box of this entity (don't use the physics box
1382         // as that is often smaller than a model, and would not count
1383         // specialvisibilityradius)
1384         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1385         {
1386                 float scale = cs->scale * (1.0f / 16.0f);
1387                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1388                 {
1389                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1390                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1391                 }
1392                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1393                 {
1394                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1395                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1396                 }
1397                 else
1398                 {
1399                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1400                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1401                 }
1402         }
1403         else
1404         {
1405                 // if there is no model (or it could not be loaded), use the physics box
1406                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, mins), cullmins);
1407                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, maxs), cullmaxs);
1408         }
1409         if (specialvisibilityradius)
1410         {
1411                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1412                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1413                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1414                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1415                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1416                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1417         }
1418
1419         // calculate center of bbox for network prioritization purposes
1420         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1421
1422         // if culling box has moved, update pvs cluster links
1423         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1424         {
1425                 VectorCopy(cullmins, ent->priv.server->cullmins);
1426                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1427                 // a value of -1 for pvs_numclusters indicates that the links are not
1428                 // cached, and should be re-tested each time, this is the case if the
1429                 // culling box touches too many pvs clusters to store, or if the world
1430                 // model does not support FindBoxClusters
1431                 ent->priv.server->pvs_numclusters = -1;
1432                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1433                 {
1434                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1435                         if (i <= MAX_ENTITYCLUSTERS)
1436                                 ent->priv.server->pvs_numclusters = i;
1437                 }
1438         }
1439
1440         // we need to do some csqc entity upkeep here
1441         // get self.SendFlags and clear them
1442         // (to let the QC know that they've been read)
1443         if (sendentity)
1444         {
1445                 sendflags = (unsigned int)PRVM_serveredictfloat(ent, SendFlags);
1446                 PRVM_serveredictfloat(ent, SendFlags) = 0;
1447                 // legacy self.Version system
1448                 if ((version = (unsigned int)PRVM_serveredictfloat(ent, Version)))
1449                 {
1450                         if (sv.csqcentityversion[enumber] != version)
1451                                 sendflags = 0xFFFFFF;
1452                         sv.csqcentityversion[enumber] = version;
1453                 }
1454                 // move sendflags into the per-client sendflags
1455                 if (sendflags)
1456                         for (i = 0;i < svs.maxclients;i++)
1457                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1458                 // mark it as inactive for non-csqc networking
1459                 cs->active = ACTIVE_SHARED;
1460         }
1461
1462         return true;
1463 }
1464
1465 static void SV_PrepareEntitiesForSending(void)
1466 {
1467         prvm_prog_t *prog = SVVM_prog;
1468         int e;
1469         prvm_edict_t *ent;
1470         // send all entities that touch the pvs
1471         sv.numsendentities = 0;
1472         sv.sendentitiesindex[0] = NULL;
1473         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1474         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1475         {
1476                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1477                 {
1478                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1479                         sv.numsendentities++;
1480                 }
1481         }
1482 }
1483
1484 #define MAX_LINEOFSIGHTTRACES 64
1485
1486 qboolean SV_CanSeeBox(int numtraces, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1487 {
1488         prvm_prog_t *prog = SVVM_prog;
1489         float pitchsign;
1490         float alpha;
1491         float starttransformed[3], endtransformed[3];
1492         int blocked = 0;
1493         int traceindex;
1494         int originalnumtouchedicts;
1495         int numtouchedicts = 0;
1496         int touchindex;
1497         matrix4x4_t matrix, imatrix;
1498         dp_model_t *model;
1499         prvm_edict_t *touch;
1500         static prvm_edict_t *touchedicts[MAX_EDICTS];
1501         vec3_t boxmins, boxmaxs;
1502         vec3_t clipboxmins, clipboxmaxs;
1503         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1504
1505         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1506
1507         // expand the box a little
1508         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
1509         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
1510         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
1511         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
1512         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
1513         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
1514
1515         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1516         for (traceindex = 1;traceindex < numtraces;traceindex++)
1517                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1518
1519         // calculate sweep box for the entire swarm of traces
1520         VectorCopy(eye, clipboxmins);
1521         VectorCopy(eye, clipboxmaxs);
1522         for (traceindex = 0;traceindex < numtraces;traceindex++)
1523         {
1524                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1525                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1526                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1527                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1528                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1529                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1530         }
1531
1532         // get the list of entities in the sweep box
1533         if (sv_cullentities_trace_entityocclusion.integer)
1534                 numtouchedicts = SV_EntitiesInBox(clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1535         if (numtouchedicts > MAX_EDICTS)
1536         {
1537                 // this never happens
1538                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1539                 numtouchedicts = MAX_EDICTS;
1540         }
1541         // iterate the entities found in the sweep box and filter them
1542         originalnumtouchedicts = numtouchedicts;
1543         numtouchedicts = 0;
1544         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1545         {
1546                 touch = touchedicts[touchindex];
1547                 if (PRVM_serveredictfloat(touch, solid) != SOLID_BSP)
1548                         continue;
1549                 model = SV_GetModelFromEdict(touch);
1550                 if (!model || !model->brush.TraceLineOfSight)
1551                         continue;
1552                 // skip obviously transparent entities
1553                 alpha = PRVM_serveredictfloat(touch, alpha);
1554                 if (alpha && alpha < 1)
1555                         continue;
1556                 if ((int)PRVM_serveredictfloat(touch, effects) & EF_ADDITIVE)
1557                         continue;
1558                 touchedicts[numtouchedicts++] = touch;
1559         }
1560
1561         // now that we have a filtered list of "interesting" entities, fire each
1562         // ray against all of them, this gives us an early-out case when something
1563         // is visible (which it often is)
1564
1565         for (traceindex = 0;traceindex < numtraces;traceindex++)
1566         {
1567                 // check world occlusion
1568                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1569                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, eye, endpoints[traceindex]))
1570                                 continue;
1571                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1572                 {
1573                         touch = touchedicts[touchindex];
1574                         model = SV_GetModelFromEdict(touch);
1575                         if(model && model->brush.TraceLineOfSight)
1576                         {
1577                                 // get the entity matrix
1578                                 pitchsign = SV_GetPitchSign(prog, touch);
1579                                 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);
1580                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1581                                 // see if the ray hits this entity
1582                                 Matrix4x4_Transform(&imatrix, eye, starttransformed);
1583                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1584                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed))
1585                                 {
1586                                         blocked++;
1587                                         break;
1588                                 }
1589                         }
1590                 }
1591                 // check if the ray was blocked
1592                 if (touchindex < numtouchedicts)
1593                         continue;
1594                 // return if the ray was not blocked
1595                 return true;
1596         }
1597
1598         // no rays survived
1599         return false;
1600 }
1601
1602 static void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1603 {
1604         prvm_prog_t *prog = SVVM_prog;
1605         int isbmodel;
1606         dp_model_t *model;
1607         prvm_edict_t *ed;
1608         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1609                 return;
1610         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1611         sv.writeentitiestoclient_stats_totalentities++;
1612
1613         if (s->customizeentityforclient)
1614         {
1615                 PRVM_serverglobalfloat(time) = sv.time;
1616                 PRVM_serverglobaledict(self) = s->number;
1617                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1618                 prog->ExecuteProgram(prog, s->customizeentityforclient, "customizeentityforclient: NULL function");
1619                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1620                         return;
1621         }
1622
1623         // never reject player
1624         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1625         {
1626                 // check various rejection conditions
1627                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1628                         return;
1629                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1630                         return;
1631                 if (s->effects & EF_NODRAW)
1632                         return;
1633                 // LordHavoc: only send entities with a model or important effects
1634                 if (!s->modelindex && s->specialvisibilityradius == 0)
1635                         return;
1636
1637                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1638                 // viewmodels don't have visibility checking
1639                 if (s->viewmodelforclient)
1640                 {
1641                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1642                                 return;
1643                 }
1644                 else if (s->tagentity)
1645                 {
1646                         // tag attached entities simply check their parent
1647                         if (!sv.sendentitiesindex[s->tagentity])
1648                                 return;
1649                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1650                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1651                                 return;
1652                 }
1653                 // always send world submodels in newer protocols because they don't
1654                 // generate much traffic (in old protocols they hog bandwidth)
1655                 // but only if sv_cullentities_nevercullbmodels is off
1656                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1657                 {
1658                         // entity has survived every check so far, check if visible
1659                         ed = PRVM_EDICT_NUM(s->number);
1660
1661                         // if not touching a visible leaf
1662                         if (sv_cullentities_pvs.integer && !r_novis.integer && !r_trippy.integer && sv.writeentitiestoclient_pvsbytes)
1663                         {
1664                                 if (ed->priv.server->pvs_numclusters < 0)
1665                                 {
1666                                         // entity too big for clusters list
1667                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1668                                         {
1669                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1670                                                 return;
1671                                         }
1672                                 }
1673                                 else
1674                                 {
1675                                         int i;
1676                                         // check cached clusters list
1677                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1678                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1679                                                         break;
1680                                         if (i == ed->priv.server->pvs_numclusters)
1681                                         {
1682                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1683                                                 return;
1684                                         }
1685                                 }
1686                         }
1687
1688                         // or not seen by random tracelines
1689                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel->brush.TraceLineOfSight && !r_trippy.integer)
1690                         {
1691                                 int samples =
1692                                         s->number <= svs.maxclients
1693                                                 ? sv_cullentities_trace_samples_players.integer
1694                                                 :
1695                                         s->specialvisibilityradius
1696                                                 ? sv_cullentities_trace_samples_extra.integer
1697                                                 : sv_cullentities_trace_samples.integer;
1698                                 float enlarge = sv_cullentities_trace_enlarge.value;
1699
1700                                 if(samples > 0)
1701                                 {
1702                                         int eyeindex;
1703                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1704                                                 if(SV_CanSeeBox(samples, enlarge, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1705                                                         break;
1706                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1707                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1708                                                         realtime + (
1709                                                                 s->number <= svs.maxclients
1710                                                                         ? sv_cullentities_trace_delay_players.value
1711                                                                         : sv_cullentities_trace_delay.value
1712                                                         );
1713                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1714                                         {
1715                                                 sv.writeentitiestoclient_stats_culled_trace++;
1716                                                 return;
1717                                         }
1718                                 }
1719                         }
1720                 }
1721         }
1722
1723         // this just marks it for sending
1724         // FIXME: it would be more efficient to send here, but the entity
1725         // compressor isn't that flexible
1726         sv.writeentitiestoclient_stats_visibleentities++;
1727         sv.sententities[s->number] = sv.sententitiesmark;
1728 }
1729
1730 #if MAX_LEVELNETWORKEYES > 0
1731 #define MAX_EYE_RECURSION 1 // increase if recursion gets supported by portals
1732 static void SV_AddCameraEyes(void)
1733 {
1734         prvm_prog_t *prog = SVVM_prog;
1735         int e, i, j, k;
1736         prvm_edict_t *ed;
1737         static int cameras[MAX_LEVELNETWORKEYES];
1738         static vec3_t camera_origins[MAX_LEVELNETWORKEYES];
1739         static int eye_levels[MAX_CLIENTNETWORKEYES];
1740         int n_cameras = 0;
1741         vec3_t mi, ma;
1742
1743         for(i = 0; i < sv.writeentitiestoclient_numeyes; ++i)
1744                 eye_levels[i] = 0;
1745
1746         // check line of sight to portal entities and add them to PVS
1747         for (e = 1, ed = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ed = PRVM_NEXT_EDICT(ed))
1748         {
1749                 if (!ed->priv.server->free)
1750                 {
1751                         if(PRVM_serveredictfunction(ed, camera_transform))
1752                         {
1753                                 PRVM_serverglobalfloat(time) = sv.time;
1754                                 PRVM_serverglobaledict(self) = e;
1755                                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1756                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_serverglobalvector(trace_endpos));
1757                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_G_VECTOR(OFS_PARM0));
1758                                 VectorClear(PRVM_G_VECTOR(OFS_PARM1));
1759                                 prog->ExecuteProgram(prog, PRVM_serveredictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1760                                 if(!VectorCompare(PRVM_serverglobalvector(trace_endpos), sv.writeentitiestoclient_eyes[0]))
1761                                 {
1762                                         VectorCopy(PRVM_serverglobalvector(trace_endpos), camera_origins[n_cameras]);
1763                                         cameras[n_cameras] = e;
1764                                         ++n_cameras;
1765                                         if(n_cameras >= MAX_LEVELNETWORKEYES)
1766                                                 break;
1767                                 }
1768                         }
1769                 }
1770         }
1771
1772         if(!n_cameras)
1773                 return;
1774
1775         // i is loop counter, is reset to 0 when an eye got added
1776         // j is camera index to check
1777         for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras)
1778         {
1779                 if(!cameras[j])
1780                         continue;
1781                 ed = PRVM_EDICT_NUM(cameras[j]);
1782                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, mins), mi);
1783                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, maxs), ma);
1784                 for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k)
1785                 if(eye_levels[k] <= MAX_EYE_RECURSION)
1786                 {
1787                         if(SV_CanSeeBox(sv_cullentities_trace_samples.integer, sv_cullentities_trace_enlarge.value, sv.writeentitiestoclient_eyes[k], mi, ma))
1788                         {
1789                                 eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1;
1790                                 VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1791                                 // 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);
1792                                 sv.writeentitiestoclient_numeyes++;
1793                                 cameras[j] = 0;
1794                                 i = 0;
1795                                 break;
1796                         }
1797                 }
1798         }
1799 }
1800 #else
1801 void SV_AddCameraEyes(void)
1802 {
1803 }
1804 #endif
1805
1806 static void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1807 {
1808         prvm_prog_t *prog = SVVM_prog;
1809         qboolean need_empty = false;
1810         int i, numsendstates, numcsqcsendstates;
1811         entity_state_t *s;
1812         prvm_edict_t *camera;
1813         qboolean success;
1814         vec3_t eye;
1815
1816         // if there isn't enough space to accomplish anything, skip it
1817         if (msg->cursize + 25 > maxsize)
1818                 return;
1819
1820         sv.writeentitiestoclient_msg = msg;
1821         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1822
1823         sv.writeentitiestoclient_stats_culled_pvs = 0;
1824         sv.writeentitiestoclient_stats_culled_trace = 0;
1825         sv.writeentitiestoclient_stats_visibleentities = 0;
1826         sv.writeentitiestoclient_stats_totalentities = 0;
1827         sv.writeentitiestoclient_numeyes = 0;
1828
1829         // get eye location
1830         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1831         camera = PRVM_EDICT_NUM( client->clientcamera );
1832         VectorAdd(PRVM_serveredictvector(camera, origin), PRVM_serveredictvector(clent, view_ofs), eye);
1833         sv.writeentitiestoclient_pvsbytes = 0;
1834         // get the PVS values for the eye location, later FatPVS calls will merge
1835         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1836                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1837
1838         // add the eye to a list for SV_CanSeeBox tests
1839         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1840         sv.writeentitiestoclient_numeyes++;
1841
1842         // calculate predicted eye origin for SV_CanSeeBox tests
1843         if (sv_cullentities_trace_prediction.integer)
1844         {
1845                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1846                 vec3_t predeye;
1847                 VectorMA(eye, predtime, PRVM_serveredictvector(camera, velocity), predeye);
1848                 if (SV_CanSeeBox(1, 0, eye, predeye, predeye))
1849                 {
1850                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1851                         sv.writeentitiestoclient_numeyes++;
1852                 }
1853                 //if (!sv.writeentitiestoclient_useprediction)
1854                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1855         }
1856
1857         SV_AddCameraEyes();
1858
1859         // build PVS from the new eyes
1860         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1861                 for(i = 1; i < sv.writeentitiestoclient_numeyes; ++i)
1862                         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);
1863
1864         sv.sententitiesmark++;
1865
1866         for (i = 0;i < sv.numsendentities;i++)
1867                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1868
1869         numsendstates = 0;
1870         numcsqcsendstates = 0;
1871         for (i = 0;i < sv.numsendentities;i++)
1872         {
1873                 s = &sv.sendentities[i];
1874                 if (sv.sententities[s->number] == sv.sententitiesmark)
1875                 {
1876                         if(s->active == ACTIVE_NETWORK)
1877                         {
1878                                 if (s->exteriormodelforclient)
1879                                 {
1880                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1881                                                 s->flags |= RENDER_EXTERIORMODEL;
1882                                         else
1883                                                 s->flags &= ~RENDER_EXTERIORMODEL;
1884                                 }
1885                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
1886                         }
1887                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1888                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
1889                         else
1890                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
1891                 }
1892         }
1893
1894         if (sv_cullentities_stats.integer)
1895                 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);
1896
1897         if(client->entitydatabase5)
1898                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1899         else
1900                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1901
1902         // force every 16th frame to be not empty (or cl_movement replay takes
1903         // too long)
1904         // BTW, this should normally not kick in any more due to the check
1905         // below, except if the client stopped sending movement frames
1906         if(client->num_skippedentityframes >= 16)
1907                 need_empty = true;
1908
1909         // help cl_movement a bit more
1910         if(client->movesequence != client->lastmovesequence)
1911                 need_empty = true;
1912         client->lastmovesequence = client->movesequence;
1913
1914         if (client->entitydatabase5)
1915                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1916         else if (client->entitydatabase4)
1917         {
1918                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1919                 Protocol_WriteStatsReliable();
1920         }
1921         else if (client->entitydatabase)
1922         {
1923                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1924                 Protocol_WriteStatsReliable();
1925         }
1926         else
1927         {
1928                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1929                 Protocol_WriteStatsReliable();
1930         }
1931
1932         if(success)
1933                 client->num_skippedentityframes = 0;
1934         else
1935                 ++client->num_skippedentityframes;
1936 }
1937
1938 /*
1939 =============
1940 SV_CleanupEnts
1941
1942 =============
1943 */
1944 static void SV_CleanupEnts (void)
1945 {
1946         prvm_prog_t *prog = SVVM_prog;
1947         int             e;
1948         prvm_edict_t    *ent;
1949
1950         ent = PRVM_NEXT_EDICT(prog->edicts);
1951         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1952                 PRVM_serveredictfloat(ent, effects) = (int)PRVM_serveredictfloat(ent, effects) & ~EF_MUZZLEFLASH;
1953 }
1954
1955 /*
1956 ==================
1957 SV_WriteClientdataToMessage
1958
1959 ==================
1960 */
1961 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1962 {
1963         prvm_prog_t *prog = SVVM_prog;
1964         int             bits;
1965         int             i;
1966         prvm_edict_t    *other;
1967         int             items;
1968         vec3_t  punchvector;
1969         int             viewzoom;
1970         const char *s;
1971         float   *statsf = (float *)stats;
1972         float gravity;
1973
1974 //
1975 // send a damage message
1976 //
1977         if (PRVM_serveredictfloat(ent, dmg_take) || PRVM_serveredictfloat(ent, dmg_save))
1978         {
1979                 other = PRVM_PROG_TO_EDICT(PRVM_serveredictedict(ent, dmg_inflictor));
1980                 MSG_WriteByte (msg, svc_damage);
1981                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_save));
1982                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_take));
1983                 for (i=0 ; i<3 ; i++)
1984                         MSG_WriteCoord (msg, PRVM_serveredictvector(other, origin)[i] + 0.5*(PRVM_serveredictvector(other, mins)[i] + PRVM_serveredictvector(other, maxs)[i]), sv.protocol);
1985
1986                 PRVM_serveredictfloat(ent, dmg_take) = 0;
1987                 PRVM_serveredictfloat(ent, dmg_save) = 0;
1988         }
1989
1990 //
1991 // send the current viewpos offset from the view entity
1992 //
1993         SV_SetIdealPitch ();            // how much to look up / down ideally
1994
1995 // a fixangle might get lost in a dropped packet.  Oh well.
1996         if(PRVM_serveredictfloat(ent, fixangle))
1997         {
1998                 // angle fixing was requested by global thinking code...
1999                 // so store the current angles for later use
2000                 VectorCopy(PRVM_serveredictvector(ent, angles), host_client->fixangle_angles);
2001                 host_client->fixangle_angles_set = TRUE;
2002
2003                 // and clear fixangle for the next frame
2004                 PRVM_serveredictfloat(ent, fixangle) = 0;
2005         }
2006
2007         if (host_client->fixangle_angles_set)
2008         {
2009                 MSG_WriteByte (msg, svc_setangle);
2010                 for (i=0 ; i < 3 ; i++)
2011                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
2012                 host_client->fixangle_angles_set = FALSE;
2013         }
2014
2015         // the runes are in serverflags, pack them into the items value, also pack
2016         // in the items2 value for mission pack huds
2017         // (used only in the mission packs, which do not use serverflags)
2018         items = (int)PRVM_serveredictfloat(ent, items) | ((int)PRVM_serveredictfloat(ent, items2) << 23) | ((int)PRVM_serverglobalfloat(serverflags) << 28);
2019
2020         VectorCopy(PRVM_serveredictvector(ent, punchvector), punchvector);
2021
2022         // cache weapon model name and index in client struct to save time
2023         // (this search can be almost 1% of cpu time!)
2024         s = PRVM_GetString(prog, PRVM_serveredictstring(ent, weaponmodel));
2025         if (strcmp(s, client->weaponmodel))
2026         {
2027                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
2028                 client->weaponmodelindex = SV_ModelIndex(s, 1);
2029         }
2030
2031         viewzoom = (int)(PRVM_serveredictfloat(ent, viewzoom) * 255.0f);
2032         if (viewzoom == 0)
2033                 viewzoom = 255;
2034
2035         bits = 0;
2036
2037         if ((int)PRVM_serveredictfloat(ent, flags) & FL_ONGROUND)
2038                 bits |= SU_ONGROUND;
2039         if (PRVM_serveredictfloat(ent, waterlevel) >= 2)
2040                 bits |= SU_INWATER;
2041         if (PRVM_serveredictfloat(ent, idealpitch))
2042                 bits |= SU_IDEALPITCH;
2043
2044         for (i=0 ; i<3 ; i++)
2045         {
2046                 if (PRVM_serveredictvector(ent, punchangle)[i])
2047                         bits |= (SU_PUNCH1<<i);
2048                 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)
2049                         if (punchvector[i])
2050                                 bits |= (SU_PUNCHVEC1<<i);
2051                 if (PRVM_serveredictvector(ent, velocity)[i])
2052                         bits |= (SU_VELOCITY1<<i);
2053         }
2054
2055         gravity = PRVM_serveredictfloat(ent, gravity);if (!gravity) gravity = 1.0f;
2056
2057         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
2058         stats[STAT_VIEWHEIGHT] = (int)PRVM_serveredictvector(ent, view_ofs)[2];
2059         stats[STAT_ITEMS] = items;
2060         stats[STAT_WEAPONFRAME] = (int)PRVM_serveredictfloat(ent, weaponframe);
2061         stats[STAT_ARMOR] = (int)PRVM_serveredictfloat(ent, armorvalue);
2062         stats[STAT_WEAPON] = client->weaponmodelindex;
2063         stats[STAT_HEALTH] = (int)PRVM_serveredictfloat(ent, health);
2064         stats[STAT_AMMO] = (int)PRVM_serveredictfloat(ent, currentammo);
2065         stats[STAT_SHELLS] = (int)PRVM_serveredictfloat(ent, ammo_shells);
2066         stats[STAT_NAILS] = (int)PRVM_serveredictfloat(ent, ammo_nails);
2067         stats[STAT_ROCKETS] = (int)PRVM_serveredictfloat(ent, ammo_rockets);
2068         stats[STAT_CELLS] = (int)PRVM_serveredictfloat(ent, ammo_cells);
2069         stats[STAT_ACTIVEWEAPON] = (int)PRVM_serveredictfloat(ent, weapon);
2070         stats[STAT_VIEWZOOM] = viewzoom;
2071         stats[STAT_TOTALSECRETS] = (int)PRVM_serverglobalfloat(total_secrets);
2072         stats[STAT_TOTALMONSTERS] = (int)PRVM_serverglobalfloat(total_monsters);
2073         // the QC bumps these itself by sending svc_'s, so we have to keep them
2074         // zero or they'll be corrected by the engine
2075         //stats[STAT_SECRETS] = PRVM_serverglobalfloat(found_secrets);
2076         //stats[STAT_MONSTERS] = PRVM_serverglobalfloat(killed_monsters);
2077
2078         // movement settings for prediction
2079         // note: these are not sent in protocols with lower MAX_CL_STATS limits
2080         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
2081                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
2082                 | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0)
2083                 | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0)
2084         ;
2085         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
2086         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
2087         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
2088         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
2089         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
2090         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
2091         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
2092         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
2093         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
2094         statsf[STAT_MOVEVARS_ENTGRAVITY] = gravity;
2095         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
2096         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
2097         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
2098         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
2099         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
2100         statsf[STAT_MOVEVARS_AIRACCEL_QW_STRETCHFACTOR] = sv_airaccel_qw_stretchfactor.value;
2101         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
2102         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
2103         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
2104         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
2105         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
2106         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
2107         statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value;
2108         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
2109         statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value;
2110         statsf[STAT_MOVEVARS_AIRCONTROL_PENALTY] = sv_aircontrol_penalty.value;
2111         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
2112         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
2113         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
2114         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
2115         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
2116         statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW] = sv_airspeedlimit_nonqw.value;
2117         statsf[STAT_FRAGLIMIT] = fraglimit.value;
2118         statsf[STAT_TIMELIMIT] = timelimit.value;
2119
2120         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)
2121         {
2122                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
2123                 bits |= SU_ITEMS;
2124                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
2125                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
2126                 bits |= SU_WEAPON;
2127                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
2128                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2129                         if (viewzoom != 255)
2130                                 bits |= SU_VIEWZOOM;
2131         }
2132
2133         if (bits >= 65536)
2134                 bits |= SU_EXTEND1;
2135         if (bits >= 16777216)
2136                 bits |= SU_EXTEND2;
2137
2138         // send the data
2139         MSG_WriteByte (msg, svc_clientdata);
2140         MSG_WriteShort (msg, bits);
2141         if (bits & SU_EXTEND1)
2142                 MSG_WriteByte(msg, bits >> 16);
2143         if (bits & SU_EXTEND2)
2144                 MSG_WriteByte(msg, bits >> 24);
2145
2146         if (bits & SU_VIEWHEIGHT)
2147                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
2148
2149         if (bits & SU_IDEALPITCH)
2150                 MSG_WriteChar (msg, (int)PRVM_serveredictfloat(ent, idealpitch));
2151
2152         for (i=0 ; i<3 ; i++)
2153         {
2154                 if (bits & (SU_PUNCH1<<i))
2155                 {
2156                         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)
2157                                 MSG_WriteChar(msg, (int)PRVM_serveredictvector(ent, punchangle)[i]);
2158                         else
2159                                 MSG_WriteAngle16i(msg, PRVM_serveredictvector(ent, punchangle)[i]);
2160                 }
2161                 if (bits & (SU_PUNCHVEC1<<i))
2162                 {
2163                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2164                                 MSG_WriteCoord16i(msg, punchvector[i]);
2165                         else
2166                                 MSG_WriteCoord32f(msg, punchvector[i]);
2167                 }
2168                 if (bits & (SU_VELOCITY1<<i))
2169                 {
2170                         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)
2171                                 MSG_WriteChar(msg, (int)(PRVM_serveredictvector(ent, velocity)[i] * (1.0f / 16.0f)));
2172                         else
2173                                 MSG_WriteCoord32f(msg, PRVM_serveredictvector(ent, velocity)[i]);
2174                 }
2175         }
2176
2177         if (bits & SU_ITEMS)
2178                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
2179
2180         if (sv.protocol == PROTOCOL_DARKPLACES5)
2181         {
2182                 if (bits & SU_WEAPONFRAME)
2183                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
2184                 if (bits & SU_ARMOR)
2185                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
2186                 if (bits & SU_WEAPON)
2187                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
2188                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2189                 MSG_WriteShort (msg, stats[STAT_AMMO]);
2190                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
2191                 MSG_WriteShort (msg, stats[STAT_NAILS]);
2192                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
2193                 MSG_WriteShort (msg, stats[STAT_CELLS]);
2194                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
2195                 if (bits & SU_VIEWZOOM)
2196                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2197         }
2198         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)
2199         {
2200                 if (bits & SU_WEAPONFRAME)
2201                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
2202                 if (bits & SU_ARMOR)
2203                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
2204                 if (bits & SU_WEAPON)
2205                 {
2206                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2207                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
2208                         else
2209                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
2210                 }
2211                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2212                 MSG_WriteByte (msg, stats[STAT_AMMO]);
2213                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
2214                 MSG_WriteByte (msg, stats[STAT_NAILS]);
2215                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
2216                 MSG_WriteByte (msg, stats[STAT_CELLS]);
2217                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_QUOTH || gamemode == GAME_NEXUIZ)
2218                 {
2219                         for (i = 0;i < 32;i++)
2220                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
2221                                         break;
2222                         MSG_WriteByte (msg, i);
2223                 }
2224                 else
2225                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
2226                 if (bits & SU_VIEWZOOM)
2227                 {
2228                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2229                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
2230                         else
2231                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2232                 }
2233         }
2234 }
2235
2236 void SV_FlushBroadcastMessages(void)
2237 {
2238         int i;
2239         client_t *client;
2240         if (sv.datagram.cursize <= 0)
2241                 return;
2242         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2243         {
2244                 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])))
2245                         continue;
2246                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2247                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2248         }
2249         SZ_Clear(&sv.datagram);
2250 }
2251
2252 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2253 {
2254         // scan the splitpoints to find out how many we can fit in
2255         int numsegments, j, split;
2256         if (!client->unreliablemsg_splitpoints)
2257                 return;
2258         // always accept the first one if it's within 1024 bytes, this ensures
2259         // that very big datagrams which are over the rate limit still get
2260         // through, just to keep it working
2261         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2262                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2263                         break;
2264         // the first segment gets an exemption from the rate limiting, otherwise
2265         // it could get dropped consistently due to a low rate limit
2266         if (numsegments == 1)
2267                 maxsize = maxsize2;
2268         // some will fit, so add the ones that will fit
2269         split = client->unreliablemsg_splitpoint[numsegments-1];
2270         // note this discards ones that were accepted by the segments scan but
2271         // can not fit, such as a really huge first one that will never ever
2272         // fit in a packet...
2273         if (msg->cursize + split <= maxsize)
2274                 SZ_Write(msg, client->unreliablemsg.data, split);
2275         // remove the part we sent, keeping any remaining data
2276         client->unreliablemsg.cursize -= split;
2277         if (client->unreliablemsg.cursize > 0)
2278                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2279         // adjust remaining splitpoints
2280         client->unreliablemsg_splitpoints -= numsegments;
2281         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2282                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2283 }
2284
2285 /*
2286 =======================
2287 SV_SendClientDatagram
2288 =======================
2289 */
2290 static void SV_SendClientDatagram (client_t *client)
2291 {
2292         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2293         sizebuf_t msg;
2294         int stats[MAX_CL_STATS];
2295         static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2296
2297         // obey rate limit by limiting packet frequency if the packet size
2298         // limiting fails
2299         // (usually this is caused by reliable messages)
2300         if (!NetConn_CanSend(client->netconnection))
2301                 return;
2302
2303         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2304         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2305         if (sv_maxrate.integer != maxrate)
2306                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2307
2308         // clientrate determines the 'cleartime' of a packet
2309         // (how long to wait before sending another, based on this packet's size)
2310         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2311
2312         switch (sv.protocol)
2313         {
2314         case PROTOCOL_QUAKE:
2315         case PROTOCOL_QUAKEDP:
2316         case PROTOCOL_NEHAHRAMOVIE:
2317         case PROTOCOL_NEHAHRABJP:
2318         case PROTOCOL_NEHAHRABJP2:
2319         case PROTOCOL_NEHAHRABJP3:
2320         case PROTOCOL_QUAKEWORLD:
2321                 // no packet size limit support on Quake protocols because it just
2322                 // causes missing entities/effects
2323                 // packets are simply sent less often to obey the rate limit
2324                 maxsize = 1024;
2325                 maxsize2 = 1024;
2326                 break;
2327         case PROTOCOL_DARKPLACES1:
2328         case PROTOCOL_DARKPLACES2:
2329         case PROTOCOL_DARKPLACES3:
2330         case PROTOCOL_DARKPLACES4:
2331                 // no packet size limit support on DP1-4 protocols because they kick
2332                 // the client off if they overflow, and miss effects
2333                 // packets are simply sent less often to obey the rate limit
2334                 maxsize = sizeof(sv_sendclientdatagram_buf);
2335                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2336                 break;
2337         default:
2338                 // DP5 and later protocols support packet size limiting which is a
2339                 // better method than limiting packet frequency as QW does
2340                 //
2341                 // at very low rates (or very small sys_ticrate) the packet size is
2342                 // not reduced below 128, but packets may be sent less often
2343                 maxsize = (int)(clientrate * sys_ticrate.value);
2344                 maxsize = bound(128, maxsize, 1400);
2345                 maxsize2 = 1400;
2346                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2347                 // mods that use csqc (they are likely to use less bandwidth anyway)
2348                 if (sv.csqc_progsize > 0)
2349                         maxsize = maxsize2;
2350                 break;
2351         }
2352
2353         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2354         {
2355                 // for good singleplayer, send huge packets
2356                 maxsize = sizeof(sv_sendclientdatagram_buf);
2357                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2358                 // never limit frequency in singleplayer
2359                 clientrate = 1000000000;
2360         }
2361
2362         // while downloading, limit entity updates to half the packet
2363         // (any leftover space will be used for downloading)
2364         if (host_client->download_file)
2365                 maxsize /= 2;
2366
2367         msg.data = sv_sendclientdatagram_buf;
2368         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2369         msg.cursize = 0;
2370         msg.allowoverflow = false;
2371
2372         if (host_client->begun)
2373         {
2374                 // the player is in the game
2375                 MSG_WriteByte (&msg, svc_time);
2376                 MSG_WriteFloat (&msg, sv.time);
2377
2378                 // add the client specific data to the datagram
2379                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2380                 // now update the stats[] array using any registered custom fields
2381                 VM_SV_UpdateCustomStats(client, client->edict, &msg, stats);
2382                 // set host_client->statsdeltabits
2383                 Protocol_UpdateClientStats (stats);
2384
2385                 // add as many queued unreliable messages (effects) as we can fit
2386                 // limit effects to half of the remaining space
2387                 if (client->unreliablemsg.cursize)
2388                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2389
2390                 // now write as many entities as we can fit, and also sends stats
2391                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2392         }
2393         else if (realtime > client->keepalivetime)
2394         {
2395                 // the player isn't totally in the game yet
2396                 // send small keepalive messages if too much time has passed
2397                 // (may also be sending downloads)
2398                 client->keepalivetime = realtime + 5;
2399                 MSG_WriteChar (&msg, svc_nop);
2400         }
2401
2402         // if a download is active, see if there is room to fit some download data
2403         // in this packet
2404         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2405         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2406         {
2407                 fs_offset_t downloadstart;
2408                 unsigned char data[1400];
2409                 downloadstart = FS_Tell(host_client->download_file);
2410                 downloadsize = min(downloadsize, (int)sizeof(data));
2411                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2412                 // note this sends empty messages if at the end of the file, which is
2413                 // necessary to keep the packet loss logic working
2414                 // (the last blocks may be lost and need to be re-sent, and that will
2415                 //  only occur if the client acks the empty end messages, revealing
2416                 //  a gap in the download progress, causing the last blocks to be
2417                 //  sent again)
2418                 MSG_WriteChar (&msg, svc_downloaddata);
2419                 MSG_WriteLong (&msg, downloadstart);
2420                 MSG_WriteShort (&msg, downloadsize);
2421                 if (downloadsize > 0)
2422                         SZ_Write (&msg, data, downloadsize);
2423         }
2424
2425         // reliable only if none is in progress
2426         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2427                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2428         // unreliable
2429         SV_WriteDemoMessage(client, &msg, false);
2430
2431 // send the datagram
2432         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2433         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2434                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2435 }
2436
2437 /*
2438 =======================
2439 SV_UpdateToReliableMessages
2440 =======================
2441 */
2442 static void SV_UpdateToReliableMessages (void)
2443 {
2444         prvm_prog_t *prog = SVVM_prog;
2445         int i, j;
2446         client_t *client;
2447         const char *name;
2448         const char *model;
2449         const char *skin;
2450         int clientcamera;
2451
2452 // check for changes to be sent over the reliable streams
2453         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2454         {
2455                 // update the host_client fields we care about according to the entity fields
2456                 host_client->edict = PRVM_EDICT_NUM(i+1);
2457
2458                 // DP_SV_CLIENTNAME
2459                 name = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, netname));
2460                 if (name == NULL)
2461                         name = "";
2462                 // always point the string back at host_client->name to keep it safe
2463                 strlcpy (host_client->name, name, sizeof (host_client->name));
2464                 PRVM_serveredictstring(host_client->edict, netname) = PRVM_SetEngineString(prog, host_client->name);
2465                 if (strcmp(host_client->old_name, host_client->name))
2466                 {
2467                         if (host_client->begun)
2468                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2469                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2470                         // send notification to all clients
2471                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2472                         MSG_WriteByte (&sv.reliable_datagram, i);
2473                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2474                         SV_WriteNetnameIntoDemo(host_client);
2475                 }
2476
2477                 // DP_SV_CLIENTCOLORS
2478                 host_client->colors = (int)PRVM_serveredictfloat(host_client->edict, clientcolors);
2479                 if (host_client->old_colors != host_client->colors)
2480                 {
2481                         host_client->old_colors = host_client->colors;
2482                         // send notification to all clients
2483                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2484                         MSG_WriteByte (&sv.reliable_datagram, i);
2485                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2486                 }
2487
2488                 // NEXUIZ_PLAYERMODEL
2489                 model = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, playermodel));
2490                 if (model == NULL)
2491                         model = "";
2492                 // always point the string back at host_client->name to keep it safe
2493                 strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2494                 PRVM_serveredictstring(host_client->edict, playermodel) = PRVM_SetEngineString(prog, host_client->playermodel);
2495
2496                 // NEXUIZ_PLAYERSKIN
2497                 skin = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, playerskin));
2498                 if (skin == NULL)
2499                         skin = "";
2500                 // always point the string back at host_client->name to keep it safe
2501                 strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2502                 PRVM_serveredictstring(host_client->edict, playerskin) = PRVM_SetEngineString(prog, host_client->playerskin);
2503
2504                 // TODO: add an extension name for this [1/17/2008 Black]
2505                 clientcamera = PRVM_serveredictedict(host_client->edict, clientcamera);
2506                 if (clientcamera > 0)
2507                 {
2508                         int oldclientcamera = host_client->clientcamera;
2509                         if (clientcamera >= prog->max_edicts || PRVM_EDICT_NUM(clientcamera)->priv.required->free)
2510                                 clientcamera = PRVM_NUM_FOR_EDICT(host_client->edict);
2511                         host_client->clientcamera = clientcamera;
2512
2513                         if (oldclientcamera != host_client->clientcamera && host_client->netconnection)
2514                         {
2515                                 MSG_WriteByte(&host_client->netconnection->message, svc_setview);
2516                                 MSG_WriteShort(&host_client->netconnection->message, host_client->clientcamera);
2517                         }
2518                 }
2519
2520                 // frags
2521                 host_client->frags = (int)PRVM_serveredictfloat(host_client->edict, frags);
2522                 if(gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
2523                         if(!host_client->begun && host_client->netconnection)
2524                                 host_client->frags = -666;
2525                 if (host_client->old_frags != host_client->frags)
2526                 {
2527                         host_client->old_frags = host_client->frags;
2528                         // send notification to all clients
2529                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2530                         MSG_WriteByte (&sv.reliable_datagram, i);
2531                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2532                 }
2533         }
2534
2535         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2536                 if (client->netconnection && (client->begun || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2537                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2538
2539         SZ_Clear (&sv.reliable_datagram);
2540 }
2541
2542
2543 /*
2544 =======================
2545 SV_SendClientMessages
2546 =======================
2547 */
2548 void SV_SendClientMessages(void)
2549 {
2550         int i, prepared = false;
2551
2552         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2553                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2554
2555         SV_FlushBroadcastMessages();
2556
2557 // update frags, names, etc
2558         SV_UpdateToReliableMessages();
2559
2560 // build individual updates
2561         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2562         {
2563                 if (!host_client->active)
2564                         continue;
2565                 if (!host_client->netconnection)
2566                         continue;
2567
2568                 if (host_client->netconnection->message.overflowed)
2569                 {
2570                         SV_DropClient (true);   // if the message couldn't send, kick off
2571                         continue;
2572                 }
2573
2574                 if (!prepared)
2575                 {
2576                         prepared = true;
2577                         // only prepare entities once per frame
2578                         SV_PrepareEntitiesForSending();
2579                 }
2580                 SV_SendClientDatagram(host_client);
2581         }
2582
2583 // clear muzzle flashes
2584         SV_CleanupEnts();
2585 }
2586
2587 static void SV_StartDownload_f(void)
2588 {
2589         if (host_client->download_file)
2590                 host_client->download_started = true;
2591 }
2592
2593 /*
2594  * Compression extension negotiation:
2595  *
2596  * Server to client:
2597  *   cl_serverextension_download 2
2598  *
2599  * Client to server:
2600  *   download <filename> <list of zero or more suppported compressions in order of preference>
2601  * e.g.
2602  *   download maps/map1.bsp lzo deflate huffman
2603  *
2604  * Server to client:
2605  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2606  * e.g.
2607  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2608  *
2609  * The server may choose not to compress the file by sending no compression name, like:
2610  *   cl_downloadbegin 345678 maps/map1.bsp
2611  *
2612  * NOTE: the "download" command may only specify compression algorithms if
2613  *       cl_serverextension_download is 2!
2614  *       If cl_serverextension_download has a different value, the client must
2615  *       assume this extension is not supported!
2616  */
2617
2618 static void Download_CheckExtensions(void)
2619 {
2620         int i;
2621         int argc = Cmd_Argc();
2622
2623         // first reset them all
2624         host_client->download_deflate = false;
2625
2626         for(i = 2; i < argc; ++i)
2627         {
2628                 if(!strcmp(Cmd_Argv(i), "deflate"))
2629                 {
2630                         host_client->download_deflate = true;
2631                         break;
2632                 }
2633         }
2634 }
2635
2636 static void SV_Download_f(void)
2637 {
2638         const char *whichpack, *whichpack2, *extension;
2639         qboolean is_csqc; // so we need to check only once
2640
2641         if (Cmd_Argc() < 2)
2642         {
2643                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2644                 SV_ClientPrintf("       supported extensions: deflate\n");
2645                 return;
2646         }
2647
2648         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2649         {
2650                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2651                 return;
2652         }
2653
2654         if (host_client->download_file)
2655         {
2656                 // at this point we'll assume the previous download should be aborted
2657                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2658                 Host_ClientCommands("\nstopdownload\n");
2659
2660                 // close the file and reset variables
2661                 FS_Close(host_client->download_file);
2662                 host_client->download_file = NULL;
2663                 host_client->download_name[0] = 0;
2664                 host_client->download_expectedposition = 0;
2665                 host_client->download_started = false;
2666         }
2667
2668         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2669
2670         if (!sv_allowdownloads.integer && !is_csqc)
2671         {
2672                 SV_ClientPrintf("Downloads are disabled on this server\n");
2673                 Host_ClientCommands("\nstopdownload\n");
2674                 return;
2675         }
2676
2677         Download_CheckExtensions();
2678
2679         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2680         extension = FS_FileExtension(host_client->download_name);
2681
2682         // host_client is asking to download a specified file
2683         if (developer_extra.integer)
2684                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2685
2686         if(is_csqc)
2687         {
2688                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2689                 extensions[0] = '\0';
2690
2691                 if(host_client->download_deflate)
2692                         strlcat(extensions, " deflate", sizeof(extensions));
2693
2694                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2695
2696                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2697                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2698                 else
2699                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2700
2701                 // no, no space is needed between %s and %s :P
2702                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2703
2704                 host_client->download_expectedposition = 0;
2705                 host_client->download_started = false;
2706                 host_client->sendsignon = true; // make sure this message is sent
2707                 return;
2708         }
2709
2710         if (!FS_FileExists(host_client->download_name))
2711         {
2712                 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);
2713                 Host_ClientCommands("\nstopdownload\n");
2714                 return;
2715         }
2716
2717         // check if the user is trying to download part of registered Quake(r)
2718         whichpack = FS_WhichPack(host_client->download_name);
2719         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2720         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2721         {
2722                 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);
2723                 Host_ClientCommands("\nstopdownload\n");
2724                 return;
2725         }
2726
2727         // check if the server has forbidden archive downloads entirely
2728         if (!sv_allowdownloads_inarchive.integer)
2729         {
2730                 whichpack = FS_WhichPack(host_client->download_name);
2731                 if (whichpack)
2732                 {
2733                         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);
2734                         Host_ClientCommands("\nstopdownload\n");
2735                         return;
2736                 }
2737         }
2738
2739         if (!sv_allowdownloads_config.integer)
2740         {
2741                 if (!strcasecmp(extension, "cfg"))
2742                 {
2743                         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);
2744                         Host_ClientCommands("\nstopdownload\n");
2745                         return;
2746                 }
2747         }
2748
2749         if (!sv_allowdownloads_dlcache.integer)
2750         {
2751                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2752                 {
2753                         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);
2754                         Host_ClientCommands("\nstopdownload\n");
2755                         return;
2756                 }
2757         }
2758
2759         if (!sv_allowdownloads_archive.integer)
2760         {
2761                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2762                 {
2763                         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);
2764                         Host_ClientCommands("\nstopdownload\n");
2765                         return;
2766                 }
2767         }
2768
2769         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2770         if (!host_client->download_file)
2771         {
2772                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2773                 Host_ClientCommands("\nstopdownload\n");
2774                 return;
2775         }
2776
2777         if (FS_FileSize(host_client->download_file) > 1<<30)
2778         {
2779                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2780                 Host_ClientCommands("\nstopdownload\n");
2781                 FS_Close(host_client->download_file);
2782                 host_client->download_file = NULL;
2783                 return;
2784         }
2785
2786         if (FS_FileSize(host_client->download_file) < 0)
2787         {
2788                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2789                 Host_ClientCommands("\nstopdownload\n");
2790                 FS_Close(host_client->download_file);
2791                 host_client->download_file = NULL;
2792                 return;
2793         }
2794
2795         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2796
2797         /*
2798          * we can only do this if we would actually deflate on the fly
2799          * which we do not (yet)!
2800         {
2801                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2802                 extensions[0] = '\0';
2803
2804                 if(host_client->download_deflate)
2805                         strlcat(extensions, " deflate", sizeof(extensions));
2806
2807                 // no, no space is needed between %s and %s :P
2808                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2809         }
2810         */
2811         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2812
2813         host_client->download_expectedposition = 0;
2814         host_client->download_started = false;
2815         host_client->sendsignon = true; // make sure this message is sent
2816
2817         // the rest of the download process is handled in SV_SendClientDatagram
2818         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2819         //
2820         // no svc_downloaddata messages will be sent until sv_startdownload is
2821         // sent by the client
2822 }
2823
2824 /*
2825 ==============================================================================
2826
2827 SERVER SPAWNING
2828
2829 ==============================================================================
2830 */
2831
2832 /*
2833 ================
2834 SV_ModelIndex
2835
2836 ================
2837 */
2838 int SV_ModelIndex(const char *s, int precachemode)
2839 {
2840         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);
2841         char filename[MAX_QPATH];
2842         if (!s || !*s)
2843                 return 0;
2844         // testing
2845         //if (precachemode == 2)
2846         //      return 0;
2847         strlcpy(filename, s, sizeof(filename));
2848         for (i = 2;i < limit;i++)
2849         {
2850                 if (!sv.model_precache[i][0])
2851                 {
2852                         if (precachemode)
2853                         {
2854                                 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))
2855                                 {
2856                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2857                                         return 0;
2858                                 }
2859                                 if (precachemode == 1)
2860                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2861                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2862                                 if (sv.state == ss_loading)
2863                                 {
2864                                         // running from SV_SpawnServer which is launched from the client console command interpreter
2865                                         sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2866                                 }
2867                                 else
2868                                 {
2869                                         if (svs.threaded)
2870                                         {
2871                                                 // 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
2872                                                 sv.models[i] = Mod_FindName (sv.model_precache[i], s[0] == '*' ? sv.worldname : NULL);
2873                                         }
2874                                         else
2875                                         {
2876                                                 // running single threaded, so we can load the model here
2877                                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2878                                         }
2879                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2880                                         MSG_WriteShort(&sv.reliable_datagram, i);
2881                                         MSG_WriteString(&sv.reliable_datagram, filename);
2882                                 }
2883                                 return i;
2884                         }
2885                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2886                         return 0;
2887                 }
2888                 if (!strcmp(sv.model_precache[i], filename))
2889                         return i;
2890         }
2891         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2892         return 0;
2893 }
2894
2895 /*
2896 ================
2897 SV_SoundIndex
2898
2899 ================
2900 */
2901 int SV_SoundIndex(const char *s, int precachemode)
2902 {
2903         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);
2904         char filename[MAX_QPATH];
2905         if (!s || !*s)
2906                 return 0;
2907         // testing
2908         //if (precachemode == 2)
2909         //      return 0;
2910         strlcpy(filename, s, sizeof(filename));
2911         for (i = 1;i < limit;i++)
2912         {
2913                 if (!sv.sound_precache[i][0])
2914                 {
2915                         if (precachemode)
2916                         {
2917                                 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))
2918                                 {
2919                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2920                                         return 0;
2921                                 }
2922                                 if (precachemode == 1)
2923                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2924                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2925                                 if (sv.state != ss_loading)
2926                                 {
2927                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2928                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2929                                         MSG_WriteString(&sv.reliable_datagram, filename);
2930                                 }
2931                                 return i;
2932                         }
2933                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2934                         return 0;
2935                 }
2936                 if (!strcmp(sv.sound_precache[i], filename))
2937                         return i;
2938         }
2939         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2940         return 0;
2941 }
2942
2943 /*
2944 ================
2945 SV_ParticleEffectIndex
2946
2947 ================
2948 */
2949 int SV_ParticleEffectIndex(const char *name)
2950 {
2951         int i, argc, linenumber, effectnameindex;
2952         int filepass;
2953         fs_offset_t filesize;
2954         unsigned char *filedata;
2955         const char *text;
2956         const char *textstart;
2957         //const char *textend;
2958         char argv[16][1024];
2959         char filename[MAX_QPATH];
2960         if (!sv.particleeffectnamesloaded)
2961         {
2962                 sv.particleeffectnamesloaded = true;
2963                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2964                 for (i = 0;i < EFFECT_TOTAL;i++)
2965                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2966                 for (filepass = 0;;filepass++)
2967                 {
2968                         if (filepass == 0)
2969                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
2970                         else if (filepass == 1)
2971                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
2972                         else
2973                                 break;
2974                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
2975                         if (!filedata)
2976                                 continue;
2977                         textstart = (const char *)filedata;
2978                         //textend = (const char *)filedata + filesize;
2979                         text = textstart;
2980                         for (linenumber = 1;;linenumber++)
2981                         {
2982                                 argc = 0;
2983                                 for (;;)
2984                                 {
2985                                         if (!COM_ParseToken_Simple(&text, true, false, true) || !strcmp(com_token, "\n"))
2986                                                 break;
2987                                         if (argc < 16)
2988                                         {
2989                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2990                                                 argc++;
2991                                         }
2992                                 }
2993                                 if (com_token[0] == 0)
2994                                         break; // if the loop exited and it's not a \n, it's EOF
2995                                 if (argc < 1)
2996                                         continue;
2997                                 if (!strcmp(argv[0], "effect"))
2998                                 {
2999                                         if (argc == 2)
3000                                         {
3001                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
3002                                                 {
3003                                                         if (sv.particleeffectname[effectnameindex][0])
3004                                                         {
3005                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
3006                                                                         break;
3007                                                         }
3008                                                         else
3009                                                         {
3010                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
3011                                                                 break;
3012                                                         }
3013                                                 }
3014                                                 // if we run out of names, abort
3015                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
3016                                                 {
3017                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
3018                                                         break;
3019                                                 }
3020                                         }
3021                                 }
3022                         }
3023                         Mem_Free(filedata);
3024                 }
3025         }
3026         // search for the name
3027         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
3028                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
3029                         return effectnameindex;
3030         // return 0 if we couldn't find it
3031         return 0;
3032 }
3033
3034 dp_model_t *SV_GetModelByIndex(int modelindex)
3035 {
3036         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3037 }
3038
3039 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
3040 {
3041         prvm_prog_t *prog = SVVM_prog;
3042         int modelindex;
3043         if (!ed || ed->priv.server->free)
3044                 return NULL;
3045         modelindex = (int)PRVM_serveredictfloat(ed, modelindex);
3046         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3047 }
3048
3049 /*
3050 ================
3051 SV_CreateBaseline
3052
3053 ================
3054 */
3055 static void SV_CreateBaseline (void)
3056 {
3057         prvm_prog_t *prog = SVVM_prog;
3058         int i, entnum, large;
3059         prvm_edict_t *svent;
3060
3061         // LordHavoc: clear *all* states (note just active ones)
3062         for (entnum = 0;entnum < prog->max_edicts;entnum++)
3063         {
3064                 // get the current server version
3065                 svent = PRVM_EDICT_NUM(entnum);
3066
3067                 // LordHavoc: always clear state values, whether the entity is in use or not
3068                 svent->priv.server->baseline = defaultstate;
3069
3070                 if (svent->priv.server->free)
3071                         continue;
3072                 if (entnum > svs.maxclients && !PRVM_serveredictfloat(svent, modelindex))
3073                         continue;
3074
3075                 // create entity baseline
3076                 VectorCopy (PRVM_serveredictvector(svent, origin), svent->priv.server->baseline.origin);
3077                 VectorCopy (PRVM_serveredictvector(svent, angles), svent->priv.server->baseline.angles);
3078                 svent->priv.server->baseline.frame = (int)PRVM_serveredictfloat(svent, frame);
3079                 svent->priv.server->baseline.skin = (int)PRVM_serveredictfloat(svent, skin);
3080                 if (entnum > 0 && entnum <= svs.maxclients)
3081                 {
3082                         svent->priv.server->baseline.colormap = entnum;
3083                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
3084                 }
3085                 else
3086                 {
3087                         svent->priv.server->baseline.colormap = 0;
3088                         svent->priv.server->baseline.modelindex = (int)PRVM_serveredictfloat(svent, modelindex);
3089                 }
3090
3091                 large = false;
3092                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
3093                 {
3094                         large = true;
3095                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3096                                 large = false;
3097                 }
3098
3099                 // add to the message
3100                 if (large)
3101                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
3102                 else
3103                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
3104                 MSG_WriteShort (&sv.signon, entnum);
3105
3106                 if (large)
3107                 {
3108                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3109                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
3110                 }
3111                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3112                 {
3113                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3114                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3115                 }
3116                 else
3117                 {
3118                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
3119                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3120                 }
3121                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
3122                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
3123                 for (i=0 ; i<3 ; i++)
3124                 {
3125                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
3126                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
3127                 }
3128         }
3129 }
3130
3131 /*
3132 ================
3133 SV_Prepare_CSQC
3134
3135 Load csprogs.dat and comperss it so it doesn't need to be
3136 reloaded on request.
3137 ================
3138 */
3139 static void SV_Prepare_CSQC(void)
3140 {
3141         fs_offset_t progsize;
3142
3143         if(svs.csqc_progdata)
3144         {
3145                 Con_DPrintf("Unloading old CSQC data.\n");
3146                 Mem_Free(svs.csqc_progdata);
3147                 if(svs.csqc_progdata_deflated)
3148                         Mem_Free(svs.csqc_progdata_deflated);
3149         }
3150
3151         svs.csqc_progdata = NULL;
3152         svs.csqc_progdata_deflated = NULL;
3153
3154         sv.csqc_progname[0] = 0;
3155         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
3156
3157         if(progsize > 0)
3158         {
3159                 size_t deflated_size;
3160
3161                 sv.csqc_progsize = (int)progsize;
3162                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
3163                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
3164                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
3165
3166                 Con_DPrint("Compressing csprogs.dat\n");
3167                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
3168                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
3169                 svs.csqc_progsize_deflated = (int)deflated_size;
3170                 if(svs.csqc_progdata_deflated)
3171                 {
3172                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
3173                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
3174                 }
3175                 else
3176                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
3177         }
3178 }
3179
3180 /*
3181 ================
3182 SV_SaveSpawnparms
3183
3184 Grabs the current state of each client for saving across the
3185 transition to another level
3186 ================
3187 */
3188 void SV_SaveSpawnparms (void)
3189 {
3190         prvm_prog_t *prog = SVVM_prog;
3191         int             i, j;
3192
3193         svs.serverflags = (int)PRVM_serverglobalfloat(serverflags);
3194
3195         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3196         {
3197                 if (!host_client->active)
3198                         continue;
3199
3200         // call the progs to get default spawn parms for the new client
3201                 PRVM_serverglobalfloat(time) = sv.time;
3202                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3203                 prog->ExecuteProgram(prog, PRVM_serverfunction(SetChangeParms), "QC function SetChangeParms is missing");
3204                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
3205                         host_client->spawn_parms[j] = (&PRVM_serverglobalfloat(parm1))[j];
3206         }
3207 }
3208
3209 /*
3210 ================
3211 SV_SpawnServer
3212
3213 This is called at the start of each level
3214 ================
3215 */
3216
3217 void SV_SpawnServer (const char *server)
3218 {
3219         prvm_prog_t *prog = SVVM_prog;
3220         prvm_edict_t *ent;
3221         int i;
3222         char *entities;
3223         dp_model_t *worldmodel;
3224         char modelname[sizeof(sv.worldname)];
3225         char vabuf[1024];
3226
3227         Con_DPrintf("SpawnServer: %s\n", server);
3228
3229         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
3230
3231         if (!FS_FileExists(modelname))
3232         {
3233                 dpsnprintf (modelname, sizeof(modelname), "maps/%s", server);
3234                 if (!FS_FileExists(modelname))
3235                 {
3236                         Con_Printf("SpawnServer: no map file named maps/%s.bsp\n", server);
3237                         return;
3238                 }
3239         }
3240
3241 //      SV_LockThreadMutex();
3242
3243         if(cls.state == ca_dedicated)
3244                 Sys_MakeProcessNice();
3245
3246         if (cls.state != ca_dedicated)
3247         {
3248                 SCR_BeginLoadingPlaque(false);
3249                 S_StopAllSounds();
3250         }
3251
3252         if(sv.active)
3253         {
3254                 World_End(&sv.world);
3255                 if(PRVM_serverfunction(SV_Shutdown))
3256                 {
3257                         func_t s = PRVM_serverfunction(SV_Shutdown);
3258                         PRVM_serverglobalfloat(time) = sv.time;
3259                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
3260                         prog->ExecuteProgram(prog, s,"SV_Shutdown() required");
3261                 }
3262         }
3263
3264         // free q3 shaders so that any newly downloaded shaders will be active
3265         Mod_FreeQ3Shaders();
3266
3267         worldmodel = Mod_ForName(modelname, false, developer.integer > 0, NULL);
3268         if (!worldmodel || !worldmodel->TraceBox)
3269         {
3270                 Con_Printf("Couldn't load map %s\n", modelname);
3271
3272                 if(cls.state == ca_dedicated)
3273                         Sys_MakeProcessMean();
3274
3275 //              SV_UnlockThreadMutex();
3276
3277                 return;
3278         }
3279
3280         Collision_Cache_Reset(true);
3281
3282         // let's not have any servers with no name
3283         if (hostname.string[0] == 0)
3284                 Cvar_Set ("hostname", "UNNAMED");
3285         scr_centertime_off = 0;
3286
3287         svs.changelevel_issued = false;         // now safe to issue another
3288
3289         // make the map a required file for clients
3290         Curl_ClearRequirements();
3291         Curl_RequireFile(modelname);
3292
3293 //
3294 // tell all connected clients that we are going to a new level
3295 //
3296         if (sv.active)
3297         {
3298                 client_t *client;
3299                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3300                 {
3301                         if (client->netconnection)
3302                         {
3303                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3304                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3305                         }
3306                 }
3307         }
3308         else
3309         {
3310                 // open server port
3311                 NetConn_OpenServerPorts(true);
3312         }
3313
3314 //
3315 // make cvars consistant
3316 //
3317         if (coop.integer)
3318                 Cvar_SetValue ("deathmatch", 0);
3319         // LordHavoc: it can be useful to have skills outside the range 0-3...
3320         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3321         //Cvar_SetValue ("skill", (float)current_skill);
3322         current_skill = (int)(skill.value + 0.5);
3323
3324 //
3325 // set up the new server
3326 //
3327         memset (&sv, 0, sizeof(sv));
3328         // if running a local client, make sure it doesn't try to access the last
3329         // level's data which is no longer valiud
3330         cls.signon = 0;
3331
3332         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
3333
3334         if(*sv_random_seed.string)
3335         {
3336                 srand(sv_random_seed.integer);
3337                 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);
3338         }
3339
3340         SV_VM_Setup();
3341
3342         sv.active = true;
3343
3344         // set level base name variables for later use
3345         strlcpy (sv.name, server, sizeof (sv.name));
3346         strlcpy(sv.worldname, modelname, sizeof(sv.worldname));
3347         FS_StripExtension(sv.worldname, sv.worldnamenoextension, sizeof(sv.worldnamenoextension));
3348         strlcpy(sv.worldbasename, !strncmp(sv.worldnamenoextension, "maps/", 5) ? sv.worldnamenoextension + 5 : sv.worldnamenoextension, sizeof(sv.worldbasename));
3349         //Cvar_SetQuick(&sv_worldmessage, sv.worldmessage); // set later after QC is spawned
3350         Cvar_SetQuick(&sv_worldname, sv.worldname);
3351         Cvar_SetQuick(&sv_worldnamenoextension, sv.worldnamenoextension);
3352         Cvar_SetQuick(&sv_worldbasename, sv.worldbasename);
3353
3354         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3355         if (sv.protocol == PROTOCOL_UNKNOWN)
3356         {
3357                 char buffer[1024];
3358                 Protocol_Names(buffer, sizeof(buffer));
3359                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3360                 sv.protocol = PROTOCOL_QUAKE;
3361         }
3362
3363 // load progs to get entity field count
3364         //PR_LoadProgs ( sv_progs.string );
3365
3366         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3367         sv.datagram.cursize = 0;
3368         sv.datagram.data = sv.datagram_buf;
3369
3370         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3371         sv.reliable_datagram.cursize = 0;
3372         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3373
3374         sv.signon.maxsize = sizeof(sv.signon_buf);
3375         sv.signon.cursize = 0;
3376         sv.signon.data = sv.signon_buf;
3377
3378 // leave slots at start for clients only
3379         //prog->num_edicts = svs.maxclients+1;
3380
3381         sv.state = ss_loading;
3382         prog->allowworldwrites = true;
3383         sv.paused = false;
3384
3385         sv.time = 1.0;
3386
3387         Mod_ClearUsed();
3388         worldmodel->used = true;
3389
3390         sv.worldmodel = worldmodel;
3391         sv.models[1] = sv.worldmodel;
3392
3393 //
3394 // clear world interaction links
3395 //
3396         World_SetSize(&sv.world, sv.worldname, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs, prog);
3397         World_Start(&sv.world);
3398
3399         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3400
3401         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3402         strlcpy(sv.model_precache[1], sv.worldname, sizeof(sv.model_precache[1]));
3403         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3404         {
3405                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3406                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.worldname);
3407         }
3408         if(i < sv.worldmodel->brush.numsubmodels)
3409                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3410
3411 //
3412 // load the rest of the entities
3413 //
3414         // AK possible hack since num_edicts is still 0
3415         ent = PRVM_EDICT_NUM(0);
3416         memset (ent->fields.fp, 0, prog->entityfields * sizeof(prvm_vec_t));
3417         ent->priv.server->free = false;
3418         PRVM_serveredictstring(ent, model) = PRVM_SetEngineString(prog, sv.worldname);
3419         PRVM_serveredictfloat(ent, modelindex) = 1;             // world model
3420         PRVM_serveredictfloat(ent, solid) = SOLID_BSP;
3421         PRVM_serveredictfloat(ent, movetype) = MOVETYPE_PUSH;
3422         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, mins));
3423         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, maxs));
3424         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, absmin));
3425         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, absmax));
3426
3427         if (coop.value)
3428                 PRVM_serverglobalfloat(coop) = coop.integer;
3429         else
3430                 PRVM_serverglobalfloat(deathmatch) = deathmatch.integer;
3431
3432         PRVM_serverglobalstring(mapname) = PRVM_SetEngineString(prog, sv.name);
3433
3434 // serverflags are for cross level information (sigils)
3435         PRVM_serverglobalfloat(serverflags) = svs.serverflags;
3436
3437         // we need to reset the spawned flag on all connected clients here so that
3438         // their thinks don't run during startup (before PutClientInServer)
3439         // we also need to set up the client entities now
3440         // and we need to set the ->edict pointers to point into the progs edicts
3441         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3442         {
3443                 host_client->begun = false;
3444                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3445                 PRVM_ED_ClearEdict(prog, host_client->edict);
3446         }
3447
3448         // load replacement entity file if found
3449         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va(vabuf, sizeof(vabuf), "%s.ent", sv.worldnamenoextension), tempmempool, true, NULL)))
3450         {
3451                 Con_Printf("Loaded %s.ent\n", sv.worldnamenoextension);
3452                 PRVM_ED_LoadFromFile(prog, entities);
3453                 Mem_Free(entities);
3454         }
3455         else
3456                 PRVM_ED_LoadFromFile(prog, sv.worldmodel->brush.entities);
3457
3458
3459         // LordHavoc: clear world angles (to fix e3m3.bsp)
3460         VectorClear(PRVM_serveredictvector(prog->edicts, angles));
3461
3462 // all setup is completed, any further precache statements are errors
3463 //      sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3464         prog->allowworldwrites = false;
3465
3466 // run two frames to allow everything to settle
3467         sv.time = 1.0001;
3468         for (i = 0;i < 2;i++)
3469         {
3470                 sv.frametime = 0.1;
3471                 SV_Physics ();
3472         }
3473
3474         if (cls.state == ca_dedicated)
3475                 Mod_PurgeUnused();
3476
3477 // create a baseline for more efficient communications
3478         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)
3479                 SV_CreateBaseline ();
3480
3481         sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3482
3483 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3484         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3485         {
3486                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3487                 if (!host_client->active)
3488                         continue;
3489                 if (host_client->netconnection)
3490                         SV_SendServerinfo(host_client);
3491                 else
3492                 {
3493                         int j;
3494                         // if client is a botclient coming from a level change, we need to
3495                         // set up client info that normally requires networking
3496
3497                         // copy spawn parms out of the client_t
3498                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3499                                 (&PRVM_serverglobalfloat(parm1))[j] = host_client->spawn_parms[j];
3500
3501                         // call the spawn function
3502                         host_client->clientconnectcalled = true;
3503                         PRVM_serverglobalfloat(time) = sv.time;
3504                         PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3505                         prog->ExecuteProgram(prog, PRVM_serverfunction(ClientConnect), "QC function ClientConnect is missing");
3506                         prog->ExecuteProgram(prog, PRVM_serverfunction(PutClientInServer), "QC function PutClientInServer is missing");
3507                         host_client->begun = true;
3508                 }
3509         }
3510
3511         // update the map title cvar
3512         strlcpy(sv.worldmessage, PRVM_GetString(prog, PRVM_serveredictstring(prog->edicts, message)), sizeof(sv.worldmessage)); // map title (not related to filename)
3513         Cvar_SetQuick(&sv_worldmessage, sv.worldmessage);
3514
3515         Con_DPrint("Server spawned.\n");
3516         NetConn_Heartbeat (2);
3517
3518         if(cls.state == ca_dedicated)
3519                 Sys_MakeProcessMean();
3520
3521 //      SV_UnlockThreadMutex();
3522 }
3523
3524 /////////////////////////////////////////////////////
3525 // SV VM stuff
3526
3527 static void SVVM_begin_increase_edicts(prvm_prog_t *prog)
3528 {
3529         // links don't survive the transition, so unlink everything
3530         World_UnlinkAll(&sv.world);
3531 }
3532
3533 static void SVVM_end_increase_edicts(prvm_prog_t *prog)
3534 {
3535         int i;
3536         prvm_edict_t *ent;
3537
3538         // link every entity except world
3539         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
3540                 if (!ent->priv.server->free)
3541                         SV_LinkEdict(ent);
3542 }
3543
3544 static void SVVM_init_edict(prvm_prog_t *prog, prvm_edict_t *e)
3545 {
3546         // LordHavoc: for consistency set these here
3547         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3548
3549         e->priv.server->move = false; // don't move on first frame
3550
3551         if (num >= 0 && num < svs.maxclients)
3552         {
3553                 // set colormap and team on newly created player entity
3554                 PRVM_serveredictfloat(e, colormap) = num + 1;
3555                 PRVM_serveredictfloat(e, team) = (svs.clients[num].colors & 15) + 1;
3556                 // set netname/clientcolors back to client values so that
3557                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3558                 // reset them
3559                 PRVM_serveredictstring(e, netname) = PRVM_SetEngineString(prog, svs.clients[num].name);
3560                 PRVM_serveredictfloat(e, clientcolors) = svs.clients[num].colors;
3561                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3562                 PRVM_serveredictstring(e, playermodel) = PRVM_SetEngineString(prog, svs.clients[num].playermodel);
3563                 PRVM_serveredictstring(e, playerskin) = PRVM_SetEngineString(prog, svs.clients[num].playerskin);
3564                 // Assign netaddress (IP Address, etc)
3565                 if(svs.clients[num].netconnection != NULL)
3566                 {
3567                         // Acquire Readable Address
3568                         LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3569                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(prog, svs.clients[num].netaddress);
3570                 }
3571                 else
3572                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(prog, "null/botclient");
3573                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_idfp[0])
3574                         PRVM_serveredictstring(e, crypto_idfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.client_idfp);
3575                 else
3576                         PRVM_serveredictstring(e, crypto_idfp) = 0;
3577                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_keyfp[0])
3578                         PRVM_serveredictstring(e, crypto_keyfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.client_keyfp);
3579                 else
3580                         PRVM_serveredictstring(e, crypto_keyfp) = 0;
3581                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.server_keyfp[0])
3582                         PRVM_serveredictstring(e, crypto_mykeyfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.server_keyfp);
3583                 else
3584                         PRVM_serveredictstring(e, crypto_mykeyfp) = 0;
3585                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.use_aes)
3586                         PRVM_serveredictstring(e, crypto_encryptmethod) = PRVM_SetEngineString(prog, "AES128");
3587                 else
3588                         PRVM_serveredictstring(e, crypto_encryptmethod) = 0;
3589                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated)
3590                         PRVM_serveredictstring(e, crypto_signmethod) = PRVM_SetEngineString(prog, "HMAC-SHA256");
3591                 else
3592                         PRVM_serveredictstring(e, crypto_signmethod) = 0;
3593         }
3594 }
3595
3596 static void SVVM_free_edict(prvm_prog_t *prog, prvm_edict_t *ed)
3597 {
3598         int i;
3599         int e;
3600
3601         World_UnlinkEdict(ed);          // unlink from world bsp
3602
3603         PRVM_serveredictstring(ed, model) = 0;
3604         PRVM_serveredictfloat(ed, takedamage) = 0;
3605         PRVM_serveredictfloat(ed, modelindex) = 0;
3606         PRVM_serveredictfloat(ed, colormap) = 0;
3607         PRVM_serveredictfloat(ed, skin) = 0;
3608         PRVM_serveredictfloat(ed, frame) = 0;
3609         VectorClear(PRVM_serveredictvector(ed, origin));
3610         VectorClear(PRVM_serveredictvector(ed, angles));
3611         PRVM_serveredictfloat(ed, nextthink) = -1;
3612         PRVM_serveredictfloat(ed, solid) = 0;
3613
3614         VM_RemoveEdictSkeleton(prog, ed);
3615         World_Physics_RemoveFromEntity(&sv.world, ed);
3616         World_Physics_RemoveJointFromEntity(&sv.world, ed);
3617
3618         // make sure csqc networking is aware of the removed entity
3619         e = PRVM_NUM_FOR_EDICT(ed);
3620         sv.csqcentityversion[e] = 0;
3621         for (i = 0;i < svs.maxclients;i++)
3622         {
3623                 if (svs.clients[i].csqcentityscope[e])
3624                         svs.clients[i].csqcentityscope[e] = 1; // removed, awaiting send
3625                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3626         }
3627 }
3628
3629 static void SVVM_count_edicts(prvm_prog_t *prog)
3630 {
3631         int             i;
3632         prvm_edict_t    *ent;
3633         int             active, models, solid, step;
3634
3635         active = models = solid = step = 0;
3636         for (i=0 ; i<prog->num_edicts ; i++)
3637         {
3638                 ent = PRVM_EDICT_NUM(i);
3639                 if (ent->priv.server->free)
3640                         continue;
3641                 active++;
3642                 if (PRVM_serveredictfloat(ent, solid))
3643                         solid++;
3644                 if (PRVM_serveredictstring(ent, model))
3645                         models++;
3646                 if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
3647                         step++;
3648         }
3649
3650         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3651         Con_Printf("active    :%3i\n", active);
3652         Con_Printf("view      :%3i\n", models);
3653         Con_Printf("touch     :%3i\n", solid);
3654         Con_Printf("step      :%3i\n", step);
3655 }
3656
3657 static qboolean SVVM_load_edict(prvm_prog_t *prog, prvm_edict_t *ent)
3658 {
3659         // remove things from different skill levels or deathmatch
3660         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3661         {
3662                 if (deathmatch.integer)
3663                 {
3664                         if (((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_DEATHMATCH))
3665                         {
3666                                 return false;
3667                         }
3668                 }
3669                 else if ((current_skill <= 0 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_EASY  ))
3670                         || (current_skill == 1 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_MEDIUM))
3671                         || (current_skill >= 2 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_HARD  )))
3672                 {
3673                         return false;
3674                 }
3675         }
3676         return true;
3677 }
3678
3679 static void SV_VM_Setup(void)
3680 {
3681         prvm_prog_t *prog = SVVM_prog;
3682         PRVM_Prog_Init(prog);
3683
3684         // allocate the mempools
3685         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3686         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3687         prog->builtins = vm_sv_builtins;
3688         prog->numbuiltins = vm_sv_numbuiltins;
3689         prog->max_edicts = 512;
3690         if (sv.protocol == PROTOCOL_QUAKE)
3691                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3692         else if (sv.protocol == PROTOCOL_QUAKEDP)
3693                 prog->limit_edicts = 2048; // guessing
3694         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3695                 prog->limit_edicts = 2048; // guessing!
3696         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3697                 prog->limit_edicts = 4096; // guessing!
3698         else
3699                 prog->limit_edicts = MAX_EDICTS;
3700         prog->reserved_edicts = svs.maxclients;
3701         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3702         prog->name = "server";
3703         prog->extensionstring = vm_sv_extensions;
3704         prog->loadintoworld = true;
3705
3706         // all callbacks must be defined (pointers are not checked before calling)
3707         prog->begin_increase_edicts = SVVM_begin_increase_edicts;
3708         prog->end_increase_edicts   = SVVM_end_increase_edicts;
3709         prog->init_edict            = SVVM_init_edict;
3710         prog->free_edict            = SVVM_free_edict;
3711         prog->count_edicts          = SVVM_count_edicts;
3712         prog->load_edict            = SVVM_load_edict;
3713         prog->init_cmd              = SVVM_init_cmd;
3714         prog->reset_cmd             = SVVM_reset_cmd;
3715         prog->error_cmd             = Host_Error;
3716         prog->ExecuteProgram        = SVVM_ExecuteProgram;
3717
3718         PRVM_Prog_Load(prog, sv_progs.string, NULL, 0, SV_REQFUNCS, sv_reqfuncs, SV_REQFIELDS, sv_reqfields, SV_REQGLOBALS, sv_reqglobals);
3719
3720         // some mods compiled with scrambling compilers lack certain critical
3721         // global names and field names such as "self" and "time" and "nextthink"
3722         // so we have to set these offsets manually, matching the entvars_t
3723         // but we only do this if the prog header crc matches, otherwise it's totally freeform
3724         if (prog->progs_crc == PROGHEADER_CRC || prog->progs_crc == PROGHEADER_CRC_TENEBRAE)
3725         {
3726                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, modelindex);
3727                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmin);
3728                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmax);
3729                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ltime);
3730                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movetype);
3731                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, solid);
3732                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, origin);
3733                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, oldorigin);
3734                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, velocity);
3735                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3736                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, avelocity);
3737                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, punchangle);
3738                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3739                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, model);
3740                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3741                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, skin);
3742                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, effects);
3743                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, mins);
3744                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, maxs);
3745                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, size);
3746                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, touch);
3747                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, use);
3748                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3749                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, blocked);
3750                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3751                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3752                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, health);
3753                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frags);
3754                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weapon);
3755                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponmodel);
3756                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponframe);
3757                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, currentammo);
3758                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_shells);
3759                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_nails);
3760                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_rockets);
3761                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_cells);
3762                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, items);
3763                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, takedamage);
3764                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3765                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, deadflag);
3766                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, view_ofs);
3767                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button0);
3768                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button1);
3769                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button2);
3770                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, impulse);
3771                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, fixangle);
3772                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, v_angle);
3773                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, idealpitch);
3774                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, netname);
3775                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, enemy);
3776                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, flags);
3777                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, colormap);
3778                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, team);
3779                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, max_health);
3780                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, teleport_time);
3781                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armortype);
3782                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armorvalue);
3783                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, waterlevel);
3784                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, watertype);
3785                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
3786                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
3787                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, aiment);
3788                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, goalentity);
3789                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, spawnflags);
3790                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, target);
3791                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, targetname);
3792                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_take);
3793                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_save);
3794                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_inflictor);
3795                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, owner);
3796                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movedir);
3797                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, message);
3798                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, sounds);
3799                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise);
3800                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise1);
3801                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise2);
3802                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise3);
3803                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
3804                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, other);
3805                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, world);
3806                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
3807                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, frametime);
3808                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, force_retouch);
3809                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, mapname);
3810                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, deathmatch);
3811                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, coop);
3812                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, teamplay);
3813                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, serverflags);
3814                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_secrets);
3815                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_monsters);
3816                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, found_secrets);
3817                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, killed_monsters);
3818                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm1);
3819                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm2);
3820                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm3);
3821                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm4);
3822                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm5);
3823                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm6);
3824                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm7);
3825                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm8);
3826                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm9);
3827                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm10);
3828                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm11);
3829                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm12);
3830                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm13);
3831                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm14);
3832                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm15);
3833                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm16);
3834                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
3835                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
3836                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
3837                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
3838                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
3839                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
3840                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
3841                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
3842                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
3843                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
3844                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
3845                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
3846                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, msg_entity);
3847 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, main);
3848 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, StartFrame);
3849 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPreThink);
3850 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPostThink);
3851 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientKill);
3852 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientConnect);
3853 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PutClientInServer);
3854 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientDisconnect);
3855 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetNewParms);
3856 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetChangeParms);
3857         }
3858         else
3859                 Con_DPrintf("%s: %s system vars have been modified (CRC %i != engine %i), will not load in other engines", prog->name, sv_progs.string, prog->progs_crc, PROGHEADER_CRC);
3860
3861         // OP_STATE is always supported on server because we add fields/globals for it
3862         prog->flag |= PRVM_OP_STATE;
3863
3864         VM_CustomStats_Clear();//[515]: csqc
3865
3866         SV_Prepare_CSQC();
3867 }
3868
3869 extern cvar_t host_maxwait;
3870 extern cvar_t host_framerate;
3871 static int SV_ThreadFunc(void *voiddata)
3872 {
3873         prvm_prog_t *prog = SVVM_prog;
3874         qboolean playing = false;
3875         double sv_timer = 0;
3876         double sv_deltarealtime, sv_oldrealtime, sv_realtime;
3877         double wait;
3878         int i;
3879         char vabuf[1024];
3880         sv_realtime = Sys_DirtyTime();
3881         while (!svs.threadstop)
3882         {
3883                 // FIXME: we need to handle Host_Error in the server thread somehow
3884 //              if (setjmp(sv_abortframe))
3885 //                      continue;                       // something bad happened in the server game
3886
3887                 sv_oldrealtime = sv_realtime;
3888                 sv_realtime = Sys_DirtyTime();
3889                 sv_deltarealtime = sv_realtime - sv_oldrealtime;
3890                 if (sv_deltarealtime < 0 || sv_deltarealtime >= 1800) sv_deltarealtime = 0;
3891
3892                 sv_timer += sv_deltarealtime;
3893
3894                 svs.perf_acc_realtime += sv_deltarealtime;
3895
3896                 // 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)
3897                 SV_LockThreadMutex();
3898
3899                 // Look for clients who have spawned
3900                 playing = false;
3901                 if (sv.active)
3902                         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3903                                 if(host_client->begun)
3904                                         if(host_client->netconnection)
3905                                                 playing = true;
3906                 if(sv.time < 10)
3907                 {
3908                         // don't accumulate time for the first 10 seconds of a match
3909                         // so things can settle
3910                         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;
3911                 }
3912                 else if(svs.perf_acc_realtime > 5)
3913                 {
3914                         svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
3915                         svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
3916                         if(svs.perf_acc_offset_samples > 0)
3917                         {
3918                                 svs.perf_offset_max = svs.perf_acc_offset_max;
3919                                 svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
3920                                 svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
3921                         }
3922                         if(svs.perf_lost > 0 && developer_extra.integer)
3923                                 if(playing)
3924                                         Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport(vabuf, sizeof(vabuf)));
3925                         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;
3926                 }
3927
3928                 // get new packets
3929                 if (sv.active)
3930                         NetConn_ServerFrame();
3931
3932                 // if the accumulators haven't become positive yet, wait a while
3933                 wait = sv_timer * -1000000.0;
3934                 if (wait >= 1)
3935                 {
3936                         double time0, delta;
3937                         SV_UnlockThreadMutex(); // don't keep mutex locked while sleeping
3938                         if (host_maxwait.value <= 0)
3939                                 wait = min(wait, 1000000.0);
3940                         else
3941                                 wait = min(wait, host_maxwait.value * 1000.0);
3942                         if(wait < 1)
3943                                 wait = 1; // because we cast to int
3944                         time0 = Sys_DirtyTime();
3945                         Sys_Sleep((int)wait);
3946                         delta = Sys_DirtyTime() - time0;if (delta < 0 || delta >= 1800) delta = 0;
3947                         svs.perf_acc_sleeptime += delta;
3948                         continue;
3949                 }
3950
3951                 if (sv.active && sv_timer > 0)
3952                 {
3953                         // execute one server frame
3954                         double advancetime;
3955                         float offset;
3956
3957                         if (sys_ticrate.value <= 0)
3958                                 advancetime = min(sv_timer, 0.1); // don't step more than 100ms
3959                         else
3960                                 advancetime = sys_ticrate.value;
3961
3962                         if(advancetime > 0)
3963                         {
3964                                 offset = sv_timer + (Sys_DirtyTime() - sv_realtime); // LordHavoc: FIXME: I don't understand this line
3965                                 ++svs.perf_acc_offset_samples;
3966                                 svs.perf_acc_offset += offset;
3967                                 svs.perf_acc_offset_squared += offset * offset;
3968                                 if(svs.perf_acc_offset_max < offset)
3969                                         svs.perf_acc_offset_max = offset;
3970                         }
3971
3972                         // only advance time if not paused
3973                         // the game also pauses in singleplayer when menu or console is used
3974                         sv.frametime = advancetime * slowmo.value;
3975                         if (host_framerate.value)
3976                                 sv.frametime = host_framerate.value;
3977                         if (sv.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
3978                                 sv.frametime = 0;
3979
3980                         sv_timer -= advancetime;
3981
3982                         // move things around and think unless paused
3983                         if (sv.frametime)
3984                                 SV_Physics();
3985
3986                         // send all messages to the clients
3987                         SV_SendClientMessages();
3988
3989                         if (sv.paused == 1 && sv_realtime > sv.pausedstart && sv.pausedstart > 0)
3990                         {
3991                                 PRVM_serverglobalfloat(time) = sv.time;
3992                                 prog->globals.fp[OFS_PARM0] = sv_realtime - sv.pausedstart;
3993                                 prog->ExecuteProgram(prog, PRVM_serverfunction(SV_PausedTic), "QC function SV_PausedTic is missing");
3994                         }
3995
3996                         // send an heartbeat if enough time has passed since the last one
3997                         NetConn_Heartbeat(0);
3998
3999                 }
4000
4001                 // we're back to safe code now
4002                 SV_UnlockThreadMutex();
4003
4004                 // if there is some time remaining from this frame, reset the timers
4005                 if (sv_timer >= 0)
4006                 {
4007                         svs.perf_acc_lost += sv_timer;
4008                         sv_timer = 0;
4009                 }
4010         }
4011         return 0;
4012 }
4013
4014 void SV_StartThread(void)
4015 {
4016         if (!sv_threaded.integer || !Thread_HasThreads())
4017                 return;
4018         svs.threaded = true;
4019         svs.threadstop = false;
4020         svs.threadmutex = Thread_CreateMutex();
4021         svs.thread = Thread_CreateThread(SV_ThreadFunc, NULL);
4022 }
4023
4024 void SV_StopThread(void)
4025 {
4026         if (!svs.threaded)
4027                 return;
4028         svs.threadstop = true;
4029         Thread_WaitThread(svs.thread, 0);
4030         Thread_DestroyMutex(svs.threadmutex);
4031         svs.threaded = false;
4032 }