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->spawned = false;                // need prespawn, spawn, etc
1034         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
1035
1036         // clear movement info until client enters the new level properly
1037         memset(&client->cmd, 0, sizeof(client->cmd));
1038         client->movesequence = 0;
1039         client->movement_highestsequence_seen = 0;
1040         memset(&client->movement_count, 0, sizeof(client->movement_count));
1041 #ifdef NUM_PING_TIMES
1042         for (i = 0;i < NUM_PING_TIMES;i++)
1043                 client->ping_times[i] = 0;
1044         client->num_pings = 0;
1045 #endif
1046         client->ping = 0;
1047
1048         // allow the client some time to send his keepalives, even if map loading took ages
1049         client->netconnection->timeout = realtime + net_connecttimeout.value;
1050 }
1051
1052 /*
1053 ================
1054 SV_ConnectClient
1055
1056 Initializes a client_t for a new net connection.  This will only be called
1057 once for a player each game, not once for each level change.
1058 ================
1059 */
1060 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
1061 {
1062         prvm_prog_t *prog = SVVM_prog;
1063         client_t                *client;
1064         int                             i;
1065
1066         client = svs.clients + clientnum;
1067
1068 // set up the client_t
1069         if (sv.loadgame)
1070         {
1071                 float backupparms[NUM_SPAWN_PARMS];
1072                 memcpy(backupparms, client->spawn_parms, sizeof(backupparms));
1073                 memset(client, 0, sizeof(*client));
1074                 memcpy(client->spawn_parms, backupparms, sizeof(backupparms));
1075         }
1076         else
1077                 memset(client, 0, sizeof(*client));
1078         client->active = true;
1079         client->netconnection = netconnection;
1080
1081         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
1082
1083         if(client->netconnection && client->netconnection->crypto.authenticated)
1084         {
1085                 Con_Printf("%s connection to %s has been established: client is %s@%.*s, I am %.*s@%.*s\n",
1086                                 client->netconnection->crypto.use_aes ? "Encrypted" : "Authenticated",
1087                                 client->netconnection->address,
1088                                 client->netconnection->crypto.client_idfp[0] ? client->netconnection->crypto.client_idfp : "-",
1089                                 crypto_keyfp_recommended_length, client->netconnection->crypto.client_keyfp[0] ? client->netconnection->crypto.client_keyfp : "-",
1090                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_idfp[0] ? client->netconnection->crypto.server_idfp : "-",
1091                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_keyfp[0] ? client->netconnection->crypto.server_keyfp : "-"
1092                                 );
1093         }
1094
1095         strlcpy(client->name, "unconnected", sizeof(client->name));
1096         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
1097         client->spawned = false;
1098         client->edict = PRVM_EDICT_NUM(clientnum+1);
1099         if (client->netconnection)
1100                 client->netconnection->message.allowoverflow = true;            // we can catch it
1101         // prepare the unreliable message buffer
1102         client->unreliablemsg.data = client->unreliablemsg_data;
1103         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
1104         // updated by receiving "rate" command from client, this is also the default if not using a DP client
1105         client->rate = 1000000000;
1106         // no limits for local player
1107         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
1108                 client->rate = 1000000000;
1109         client->connecttime = realtime;
1110
1111         if (!sv.loadgame)
1112         {
1113                 // call the progs to get default spawn parms for the new client
1114                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
1115                 PRVM_serverglobalfloat(time) = sv.time;
1116                 PRVM_serverglobaledict(self) = 0;
1117                 prog->ExecuteProgram(prog, PRVM_serverfunction(SetNewParms), "QC function SetNewParms is missing");
1118                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1119                         client->spawn_parms[i] = (&PRVM_serverglobalfloat(parm1))[i];
1120
1121                 // set up the entity for this client (including .colormap, .team, etc)
1122                 PRVM_ED_ClearEdict(prog, client->edict);
1123         }
1124
1125         // don't call SendServerinfo for a fresh botclient because its fields have
1126         // not been set up by the qc yet
1127         if (client->netconnection)
1128                 SV_SendServerinfo (client);
1129         else
1130                 client->spawned = true;
1131 }
1132
1133
1134 /*
1135 ===============================================================================
1136
1137 FRAME UPDATES
1138
1139 ===============================================================================
1140 */
1141
1142 /*
1143 =============================================================================
1144
1145 The PVS must include a small area around the client to allow head bobbing
1146 or other small motion on the client side.  Otherwise, a bob might cause an
1147 entity that should be visible to not show up, especially when the bob
1148 crosses a waterline.
1149
1150 =============================================================================
1151 */
1152
1153 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1154 {
1155         prvm_prog_t *prog = SVVM_prog;
1156         int i;
1157         unsigned int sendflags;
1158         unsigned int version;
1159         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1160         unsigned int customizeentityforclient;
1161         unsigned int sendentity;
1162         float f;
1163         float *v;
1164         vec3_t cullmins, cullmaxs;
1165         dp_model_t *model;
1166
1167         // fast path for games that do not use legacy entity networking
1168         // note: still networks clients even if they are legacy
1169         sendentity = PRVM_serveredictfunction(ent, SendEntity);
1170         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1171                 return false;
1172
1173         // this 2 billion unit check is actually to detect NAN origins
1174         // (we really don't want to send those)
1175         if (!(VectorLength2(PRVM_serveredictvector(ent, origin)) < 2000000000.0*2000000000.0))
1176                 return false;
1177
1178         // EF_NODRAW prevents sending for any reason except for your own
1179         // client, so we must keep all clients in this superset
1180         effects = (unsigned)PRVM_serveredictfloat(ent, effects);
1181
1182         // we can omit invisible entities with no effects that are not clients
1183         // LordHavoc: this could kill tags attached to an invisible entity, I
1184         // just hope we never have to support that case
1185         i = (int)PRVM_serveredictfloat(ent, modelindex);
1186         modelindex = (i >= 1 && i < MAX_MODELS && PRVM_serveredictstring(ent, model) && *PRVM_GetString(prog, PRVM_serveredictstring(ent, model)) && sv.models[i]) ? i : 0;
1187
1188         flags = 0;
1189         i = (int)(PRVM_serveredictfloat(ent, glow_size) * 0.25f);
1190         glowsize = (unsigned char)bound(0, i, 255);
1191         if (PRVM_serveredictfloat(ent, glow_trail))
1192                 flags |= RENDER_GLOWTRAIL;
1193         if (PRVM_serveredictedict(ent, viewmodelforclient))
1194                 flags |= RENDER_VIEWMODEL;
1195
1196         v = PRVM_serveredictvector(ent, color);
1197         f = v[0]*256;
1198         light[0] = (unsigned short)bound(0, f, 65535);
1199         f = v[1]*256;
1200         light[1] = (unsigned short)bound(0, f, 65535);
1201         f = v[2]*256;
1202         light[2] = (unsigned short)bound(0, f, 65535);
1203         f = PRVM_serveredictfloat(ent, light_lev);
1204         light[3] = (unsigned short)bound(0, f, 65535);
1205         lightstyle = (unsigned char)PRVM_serveredictfloat(ent, style);
1206         lightpflags = (unsigned char)PRVM_serveredictfloat(ent, pflags);
1207
1208         if (gamemode == GAME_TENEBRAE)
1209         {
1210                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1211                 if (effects & 16)
1212                 {
1213                         effects &= ~16;
1214                         lightpflags |= PFLAGS_FULLDYNAMIC;
1215                 }
1216                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1217                 if (effects & 32)
1218                 {
1219                         effects &= ~32;
1220                         light[0] = (int)(0.2*256);
1221                         light[1] = (int)(1.0*256);
1222                         light[2] = (int)(0.2*256);
1223                         light[3] = 200;
1224                         lightpflags |= PFLAGS_FULLDYNAMIC;
1225                 }
1226         }
1227
1228         specialvisibilityradius = 0;
1229         if (lightpflags & PFLAGS_FULLDYNAMIC)
1230                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1231         if (glowsize)
1232                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1233         if (flags & RENDER_GLOWTRAIL)
1234                 specialvisibilityradius = max(specialvisibilityradius, 100);
1235         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1236         {
1237                 if (effects & EF_BRIGHTFIELD)
1238                         specialvisibilityradius = max(specialvisibilityradius, 80);
1239                 if (effects & EF_MUZZLEFLASH)
1240                         specialvisibilityradius = max(specialvisibilityradius, 100);
1241                 if (effects & EF_BRIGHTLIGHT)
1242                         specialvisibilityradius = max(specialvisibilityradius, 400);
1243                 if (effects & EF_DIMLIGHT)
1244                         specialvisibilityradius = max(specialvisibilityradius, 200);
1245                 if (effects & EF_RED)
1246                         specialvisibilityradius = max(specialvisibilityradius, 200);
1247                 if (effects & EF_BLUE)
1248                         specialvisibilityradius = max(specialvisibilityradius, 200);
1249                 if (effects & EF_FLAME)
1250                         specialvisibilityradius = max(specialvisibilityradius, 250);
1251                 if (effects & EF_STARDUST)
1252                         specialvisibilityradius = max(specialvisibilityradius, 100);
1253         }
1254
1255         // early culling checks
1256         // (final culling is done by SV_MarkWriteEntityStateToClient)
1257         customizeentityforclient = PRVM_serveredictfunction(ent, customizeentityforclient);
1258         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1259                 return false;
1260
1261         *cs = defaultstate;
1262         cs->active = ACTIVE_NETWORK;
1263         cs->number = enumber;
1264         VectorCopy(PRVM_serveredictvector(ent, origin), cs->origin);
1265         VectorCopy(PRVM_serveredictvector(ent, angles), cs->angles);
1266         cs->flags = flags;
1267         cs->effects = effects;
1268         cs->colormap = (unsigned)PRVM_serveredictfloat(ent, colormap);
1269         cs->modelindex = modelindex;
1270         cs->skin = (unsigned)PRVM_serveredictfloat(ent, skin);
1271         cs->frame = (unsigned)PRVM_serveredictfloat(ent, frame);
1272         cs->viewmodelforclient = PRVM_serveredictedict(ent, viewmodelforclient);
1273         cs->exteriormodelforclient = PRVM_serveredictedict(ent, exteriormodeltoclient);
1274         cs->nodrawtoclient = PRVM_serveredictedict(ent, nodrawtoclient);
1275         cs->drawonlytoclient = PRVM_serveredictedict(ent, drawonlytoclient);
1276         cs->customizeentityforclient = customizeentityforclient;
1277         cs->tagentity = PRVM_serveredictedict(ent, tag_entity);
1278         cs->tagindex = (unsigned char)PRVM_serveredictfloat(ent, tag_index);
1279         cs->glowsize = glowsize;
1280         cs->traileffectnum = PRVM_serveredictfloat(ent, traileffectnum);
1281
1282         // don't need to init cs->colormod because the defaultstate did that for us
1283         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1284         v = PRVM_serveredictvector(ent, colormod);
1285         if (VectorLength2(v))
1286         {
1287                 i = (int)(v[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1288                 i = (int)(v[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1289                 i = (int)(v[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1290         }
1291
1292         // don't need to init cs->glowmod because the defaultstate did that for us
1293         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1294         v = PRVM_serveredictvector(ent, glowmod);
1295         if (VectorLength2(v))
1296         {
1297                 i = (int)(v[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1298                 i = (int)(v[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1299                 i = (int)(v[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1300         }
1301
1302         cs->modelindex = modelindex;
1303
1304         cs->alpha = 255;
1305         f = (PRVM_serveredictfloat(ent, alpha) * 255.0f);
1306         if (f)
1307         {
1308                 i = (int)f;
1309                 cs->alpha = (unsigned char)bound(0, i, 255);
1310         }
1311         // halflife
1312         f = (PRVM_serveredictfloat(ent, renderamt));
1313         if (f)
1314         {
1315                 i = (int)f;
1316                 cs->alpha = (unsigned char)bound(0, i, 255);
1317         }
1318
1319         cs->scale = 16;
1320         f = (PRVM_serveredictfloat(ent, scale) * 16.0f);
1321         if (f)
1322         {
1323                 i = (int)f;
1324                 cs->scale = (unsigned char)bound(0, i, 255);
1325         }
1326
1327         cs->glowcolor = 254;
1328         f = PRVM_serveredictfloat(ent, glow_color);
1329         if (f)
1330                 cs->glowcolor = (int)f;
1331
1332         if (PRVM_serveredictfloat(ent, fullbright))
1333                 cs->effects |= EF_FULLBRIGHT;
1334
1335         f = PRVM_serveredictfloat(ent, modelflags);
1336         if (f)
1337                 cs->effects |= ((unsigned int)f & 0xff) << 24;
1338
1339         if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
1340                 cs->flags |= RENDER_STEP;
1341         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)
1342                 cs->flags |= RENDER_LOWPRECISION;
1343         if (PRVM_serveredictfloat(ent, colormap) >= 1024)
1344                 cs->flags |= RENDER_COLORMAPPED;
1345         if (cs->viewmodelforclient)
1346                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1347
1348         if (PRVM_serveredictfloat(ent, sendcomplexanimation))
1349         {
1350                 cs->flags |= RENDER_COMPLEXANIMATION;
1351                 if (PRVM_serveredictfloat(ent, skeletonindex) >= 1)
1352                         cs->skeletonobject = ent->priv.server->skeleton;
1353                 cs->framegroupblend[0].frame = PRVM_serveredictfloat(ent, frame);
1354                 cs->framegroupblend[1].frame = PRVM_serveredictfloat(ent, frame2);
1355                 cs->framegroupblend[2].frame = PRVM_serveredictfloat(ent, frame3);
1356                 cs->framegroupblend[3].frame = PRVM_serveredictfloat(ent, frame4);
1357                 cs->framegroupblend[0].start = PRVM_serveredictfloat(ent, frame1time);
1358                 cs->framegroupblend[1].start = PRVM_serveredictfloat(ent, frame2time);
1359                 cs->framegroupblend[2].start = PRVM_serveredictfloat(ent, frame3time);
1360                 cs->framegroupblend[3].start = PRVM_serveredictfloat(ent, frame4time);
1361                 cs->framegroupblend[1].lerp = PRVM_serveredictfloat(ent, lerpfrac);
1362                 cs->framegroupblend[2].lerp = PRVM_serveredictfloat(ent, lerpfrac3);
1363                 cs->framegroupblend[3].lerp = PRVM_serveredictfloat(ent, lerpfrac4);
1364                 cs->framegroupblend[0].lerp = 1.0f - cs->framegroupblend[1].lerp - cs->framegroupblend[2].lerp - cs->framegroupblend[3].lerp;
1365         }
1366
1367         cs->light[0] = light[0];
1368         cs->light[1] = light[1];
1369         cs->light[2] = light[2];
1370         cs->light[3] = light[3];
1371         cs->lightstyle = lightstyle;
1372         cs->lightpflags = lightpflags;
1373
1374         cs->specialvisibilityradius = specialvisibilityradius;
1375
1376         // calculate the visible box of this entity (don't use the physics box
1377         // as that is often smaller than a model, and would not count
1378         // specialvisibilityradius)
1379         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1380         {
1381                 float scale = cs->scale * (1.0f / 16.0f);
1382                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1383                 {
1384                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1385                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1386                 }
1387                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1388                 {
1389                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1390                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1391                 }
1392                 else
1393                 {
1394                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1395                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1396                 }
1397         }
1398         else
1399         {
1400                 // if there is no model (or it could not be loaded), use the physics box
1401                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, mins), cullmins);
1402                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, maxs), cullmaxs);
1403         }
1404         if (specialvisibilityradius)
1405         {
1406                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1407                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1408                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1409                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1410                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1411                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1412         }
1413
1414         // calculate center of bbox for network prioritization purposes
1415         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1416
1417         // if culling box has moved, update pvs cluster links
1418         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1419         {
1420                 VectorCopy(cullmins, ent->priv.server->cullmins);
1421                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1422                 // a value of -1 for pvs_numclusters indicates that the links are not
1423                 // cached, and should be re-tested each time, this is the case if the
1424                 // culling box touches too many pvs clusters to store, or if the world
1425                 // model does not support FindBoxClusters
1426                 ent->priv.server->pvs_numclusters = -1;
1427                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1428                 {
1429                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1430                         if (i <= MAX_ENTITYCLUSTERS)
1431                                 ent->priv.server->pvs_numclusters = i;
1432                 }
1433         }
1434
1435         // we need to do some csqc entity upkeep here
1436         // get self.SendFlags and clear them
1437         // (to let the QC know that they've been read)
1438         if (sendentity)
1439         {
1440                 sendflags = (unsigned int)PRVM_serveredictfloat(ent, SendFlags);
1441                 PRVM_serveredictfloat(ent, SendFlags) = 0;
1442                 // legacy self.Version system
1443                 if ((version = (unsigned int)PRVM_serveredictfloat(ent, Version)))
1444                 {
1445                         if (sv.csqcentityversion[enumber] != version)
1446                                 sendflags = 0xFFFFFF;
1447                         sv.csqcentityversion[enumber] = version;
1448                 }
1449                 // move sendflags into the per-client sendflags
1450                 if (sendflags)
1451                         for (i = 0;i < svs.maxclients;i++)
1452                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1453                 // mark it as inactive for non-csqc networking
1454                 cs->active = ACTIVE_SHARED;
1455         }
1456
1457         return true;
1458 }
1459
1460 static void SV_PrepareEntitiesForSending(void)
1461 {
1462         prvm_prog_t *prog = SVVM_prog;
1463         int e;
1464         prvm_edict_t *ent;
1465         // send all entities that touch the pvs
1466         sv.numsendentities = 0;
1467         sv.sendentitiesindex[0] = NULL;
1468         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1469         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1470         {
1471                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1472                 {
1473                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1474                         sv.numsendentities++;
1475                 }
1476         }
1477 }
1478
1479 #define MAX_LINEOFSIGHTTRACES 64
1480
1481 qboolean SV_CanSeeBox(int numtraces, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1482 {
1483         prvm_prog_t *prog = SVVM_prog;
1484         float pitchsign;
1485         float alpha;
1486         float starttransformed[3], endtransformed[3];
1487         int blocked = 0;
1488         int traceindex;
1489         int originalnumtouchedicts;
1490         int numtouchedicts = 0;
1491         int touchindex;
1492         matrix4x4_t matrix, imatrix;
1493         dp_model_t *model;
1494         prvm_edict_t *touch;
1495         static prvm_edict_t *touchedicts[MAX_EDICTS];
1496         vec3_t boxmins, boxmaxs;
1497         vec3_t clipboxmins, clipboxmaxs;
1498         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1499
1500         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1501
1502         // expand the box a little
1503         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
1504         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
1505         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
1506         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
1507         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
1508         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
1509
1510         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1511         for (traceindex = 1;traceindex < numtraces;traceindex++)
1512                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1513
1514         // calculate sweep box for the entire swarm of traces
1515         VectorCopy(eye, clipboxmins);
1516         VectorCopy(eye, clipboxmaxs);
1517         for (traceindex = 0;traceindex < numtraces;traceindex++)
1518         {
1519                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1520                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1521                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1522                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1523                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1524                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1525         }
1526
1527         // get the list of entities in the sweep box
1528         if (sv_cullentities_trace_entityocclusion.integer)
1529                 numtouchedicts = SV_EntitiesInBox(clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1530         if (numtouchedicts > MAX_EDICTS)
1531         {
1532                 // this never happens
1533                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1534                 numtouchedicts = MAX_EDICTS;
1535         }
1536         // iterate the entities found in the sweep box and filter them
1537         originalnumtouchedicts = numtouchedicts;
1538         numtouchedicts = 0;
1539         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1540         {
1541                 touch = touchedicts[touchindex];
1542                 if (PRVM_serveredictfloat(touch, solid) != SOLID_BSP)
1543                         continue;
1544                 model = SV_GetModelFromEdict(touch);
1545                 if (!model || !model->brush.TraceLineOfSight)
1546                         continue;
1547                 // skip obviously transparent entities
1548                 alpha = PRVM_serveredictfloat(touch, alpha);
1549                 if (alpha && alpha < 1)
1550                         continue;
1551                 if ((int)PRVM_serveredictfloat(touch, effects) & EF_ADDITIVE)
1552                         continue;
1553                 touchedicts[numtouchedicts++] = touch;
1554         }
1555
1556         // now that we have a filtered list of "interesting" entities, fire each
1557         // ray against all of them, this gives us an early-out case when something
1558         // is visible (which it often is)
1559
1560         for (traceindex = 0;traceindex < numtraces;traceindex++)
1561         {
1562                 // check world occlusion
1563                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1564                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, eye, endpoints[traceindex]))
1565                                 continue;
1566                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1567                 {
1568                         touch = touchedicts[touchindex];
1569                         model = SV_GetModelFromEdict(touch);
1570                         if(model && model->brush.TraceLineOfSight)
1571                         {
1572                                 // get the entity matrix
1573                                 pitchsign = SV_GetPitchSign(prog, touch);
1574                                 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);
1575                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1576                                 // see if the ray hits this entity
1577                                 Matrix4x4_Transform(&imatrix, eye, starttransformed);
1578                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1579                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed))
1580                                 {
1581                                         blocked++;
1582                                         break;
1583                                 }
1584                         }
1585                 }
1586                 // check if the ray was blocked
1587                 if (touchindex < numtouchedicts)
1588                         continue;
1589                 // return if the ray was not blocked
1590                 return true;
1591         }
1592
1593         // no rays survived
1594         return false;
1595 }
1596
1597 static void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1598 {
1599         prvm_prog_t *prog = SVVM_prog;
1600         int isbmodel;
1601         dp_model_t *model;
1602         prvm_edict_t *ed;
1603         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1604                 return;
1605         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1606         sv.writeentitiestoclient_stats_totalentities++;
1607
1608         if (s->customizeentityforclient)
1609         {
1610                 PRVM_serverglobalfloat(time) = sv.time;
1611                 PRVM_serverglobaledict(self) = s->number;
1612                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1613                 prog->ExecuteProgram(prog, s->customizeentityforclient, "customizeentityforclient: NULL function");
1614                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1615                         return;
1616         }
1617
1618         // never reject player
1619         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1620         {
1621                 // check various rejection conditions
1622                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1623                         return;
1624                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1625                         return;
1626                 if (s->effects & EF_NODRAW)
1627                         return;
1628                 // LordHavoc: only send entities with a model or important effects
1629                 if (!s->modelindex && s->specialvisibilityradius == 0)
1630                         return;
1631
1632                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1633                 // viewmodels don't have visibility checking
1634                 if (s->viewmodelforclient)
1635                 {
1636                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1637                                 return;
1638                 }
1639                 else if (s->tagentity)
1640                 {
1641                         // tag attached entities simply check their parent
1642                         if (!sv.sendentitiesindex[s->tagentity])
1643                                 return;
1644                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1645                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1646                                 return;
1647                 }
1648                 // always send world submodels in newer protocols because they don't
1649                 // generate much traffic (in old protocols they hog bandwidth)
1650                 // but only if sv_cullentities_nevercullbmodels is off
1651                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1652                 {
1653                         // entity has survived every check so far, check if visible
1654                         ed = PRVM_EDICT_NUM(s->number);
1655
1656                         // if not touching a visible leaf
1657                         if (sv_cullentities_pvs.integer && !r_novis.integer && !r_trippy.integer && sv.writeentitiestoclient_pvsbytes)
1658                         {
1659                                 if (ed->priv.server->pvs_numclusters < 0)
1660                                 {
1661                                         // entity too big for clusters list
1662                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1663                                         {
1664                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1665                                                 return;
1666                                         }
1667                                 }
1668                                 else
1669                                 {
1670                                         int i;
1671                                         // check cached clusters list
1672                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1673                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1674                                                         break;
1675                                         if (i == ed->priv.server->pvs_numclusters)
1676                                         {
1677                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1678                                                 return;
1679                                         }
1680                                 }
1681                         }
1682
1683                         // or not seen by random tracelines
1684                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel->brush.TraceLineOfSight && !r_trippy.integer)
1685                         {
1686                                 int samples =
1687                                         s->number <= svs.maxclients
1688                                                 ? sv_cullentities_trace_samples_players.integer
1689                                                 :
1690                                         s->specialvisibilityradius
1691                                                 ? sv_cullentities_trace_samples_extra.integer
1692                                                 : sv_cullentities_trace_samples.integer;
1693                                 float enlarge = sv_cullentities_trace_enlarge.value;
1694
1695                                 if(samples > 0)
1696                                 {
1697                                         int eyeindex;
1698                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1699                                                 if(SV_CanSeeBox(samples, enlarge, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1700                                                         break;
1701                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1702                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1703                                                         realtime + (
1704                                                                 s->number <= svs.maxclients
1705                                                                         ? sv_cullentities_trace_delay_players.value
1706                                                                         : sv_cullentities_trace_delay.value
1707                                                         );
1708                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1709                                         {
1710                                                 sv.writeentitiestoclient_stats_culled_trace++;
1711                                                 return;
1712                                         }
1713                                 }
1714                         }
1715                 }
1716         }
1717
1718         // this just marks it for sending
1719         // FIXME: it would be more efficient to send here, but the entity
1720         // compressor isn't that flexible
1721         sv.writeentitiestoclient_stats_visibleentities++;
1722         sv.sententities[s->number] = sv.sententitiesmark;
1723 }
1724
1725 #if MAX_LEVELNETWORKEYES > 0
1726 #define MAX_EYE_RECURSION 1 // increase if recursion gets supported by portals
1727 static void SV_AddCameraEyes(void)
1728 {
1729         prvm_prog_t *prog = SVVM_prog;
1730         int e, i, j, k;
1731         prvm_edict_t *ed;
1732         static int cameras[MAX_LEVELNETWORKEYES];
1733         static vec3_t camera_origins[MAX_LEVELNETWORKEYES];
1734         static int eye_levels[MAX_CLIENTNETWORKEYES];
1735         int n_cameras = 0;
1736         vec3_t mi, ma;
1737
1738         for(i = 0; i < sv.writeentitiestoclient_numeyes; ++i)
1739                 eye_levels[i] = 0;
1740
1741         // check line of sight to portal entities and add them to PVS
1742         for (e = 1, ed = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ed = PRVM_NEXT_EDICT(ed))
1743         {
1744                 if (!ed->priv.server->free)
1745                 {
1746                         if(PRVM_serveredictfunction(ed, camera_transform))
1747                         {
1748                                 PRVM_serverglobalfloat(time) = sv.time;
1749                                 PRVM_serverglobaledict(self) = e;
1750                                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1751                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_serverglobalvector(trace_endpos));
1752                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_G_VECTOR(OFS_PARM0));
1753                                 VectorClear(PRVM_G_VECTOR(OFS_PARM1));
1754                                 prog->ExecuteProgram(prog, PRVM_serveredictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1755                                 if(!VectorCompare(PRVM_serverglobalvector(trace_endpos), sv.writeentitiestoclient_eyes[0]))
1756                                 {
1757                                         VectorCopy(PRVM_serverglobalvector(trace_endpos), camera_origins[n_cameras]);
1758                                         cameras[n_cameras] = e;
1759                                         ++n_cameras;
1760                                         if(n_cameras >= MAX_LEVELNETWORKEYES)
1761                                                 break;
1762                                 }
1763                         }
1764                 }
1765         }
1766
1767         if(!n_cameras)
1768                 return;
1769
1770         // i is loop counter, is reset to 0 when an eye got added
1771         // j is camera index to check
1772         for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras)
1773         {
1774                 if(!cameras[j])
1775                         continue;
1776                 ed = PRVM_EDICT_NUM(cameras[j]);
1777                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, mins), mi);
1778                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, maxs), ma);
1779                 for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k)
1780                 if(eye_levels[k] <= MAX_EYE_RECURSION)
1781                 {
1782                         if(SV_CanSeeBox(sv_cullentities_trace_samples.integer, sv_cullentities_trace_enlarge.value, sv.writeentitiestoclient_eyes[k], mi, ma))
1783                         {
1784                                 eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1;
1785                                 VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1786                                 // 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);
1787                                 sv.writeentitiestoclient_numeyes++;
1788                                 cameras[j] = 0;
1789                                 i = 0;
1790                                 break;
1791                         }
1792                 }
1793         }
1794 }
1795 #else
1796 void SV_AddCameraEyes(void)
1797 {
1798 }
1799 #endif
1800
1801 static void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1802 {
1803         prvm_prog_t *prog = SVVM_prog;
1804         qboolean need_empty = false;
1805         int i, numsendstates, numcsqcsendstates;
1806         entity_state_t *s;
1807         prvm_edict_t *camera;
1808         qboolean success;
1809         vec3_t eye;
1810
1811         // if there isn't enough space to accomplish anything, skip it
1812         if (msg->cursize + 25 > maxsize)
1813                 return;
1814
1815         sv.writeentitiestoclient_msg = msg;
1816         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1817
1818         sv.writeentitiestoclient_stats_culled_pvs = 0;
1819         sv.writeentitiestoclient_stats_culled_trace = 0;
1820         sv.writeentitiestoclient_stats_visibleentities = 0;
1821         sv.writeentitiestoclient_stats_totalentities = 0;
1822         sv.writeentitiestoclient_numeyes = 0;
1823
1824         // get eye location
1825         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1826         camera = PRVM_EDICT_NUM( client->clientcamera );
1827         VectorAdd(PRVM_serveredictvector(camera, origin), PRVM_serveredictvector(clent, view_ofs), eye);
1828         sv.writeentitiestoclient_pvsbytes = 0;
1829         // get the PVS values for the eye location, later FatPVS calls will merge
1830         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1831                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1832
1833         // add the eye to a list for SV_CanSeeBox tests
1834         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1835         sv.writeentitiestoclient_numeyes++;
1836
1837         // calculate predicted eye origin for SV_CanSeeBox tests
1838         if (sv_cullentities_trace_prediction.integer)
1839         {
1840                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1841                 vec3_t predeye;
1842                 VectorMA(eye, predtime, PRVM_serveredictvector(camera, velocity), predeye);
1843                 if (SV_CanSeeBox(1, 0, eye, predeye, predeye))
1844                 {
1845                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1846                         sv.writeentitiestoclient_numeyes++;
1847                 }
1848                 //if (!sv.writeentitiestoclient_useprediction)
1849                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1850         }
1851
1852         SV_AddCameraEyes();
1853
1854         // build PVS from the new eyes
1855         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1856                 for(i = 1; i < sv.writeentitiestoclient_numeyes; ++i)
1857                         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);
1858
1859         sv.sententitiesmark++;
1860
1861         for (i = 0;i < sv.numsendentities;i++)
1862                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1863
1864         numsendstates = 0;
1865         numcsqcsendstates = 0;
1866         for (i = 0;i < sv.numsendentities;i++)
1867         {
1868                 s = &sv.sendentities[i];
1869                 if (sv.sententities[s->number] == sv.sententitiesmark)
1870                 {
1871                         if(s->active == ACTIVE_NETWORK)
1872                         {
1873                                 if (s->exteriormodelforclient)
1874                                 {
1875                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1876                                                 s->flags |= RENDER_EXTERIORMODEL;
1877                                         else
1878                                                 s->flags &= ~RENDER_EXTERIORMODEL;
1879                                 }
1880                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
1881                         }
1882                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1883                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
1884                         else
1885                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
1886                 }
1887         }
1888
1889         if (sv_cullentities_stats.integer)
1890                 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);
1891
1892         if(client->entitydatabase5)
1893                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1894         else
1895                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1896
1897         if(client->num_skippedentityframes >= 10)
1898                 need_empty = true; // force every 10th frame to be not empty (or cl_movement replay takes too long)
1899
1900         if (client->entitydatabase5)
1901                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1902         else if (client->entitydatabase4)
1903         {
1904                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1905                 Protocol_WriteStatsReliable();
1906         }
1907         else if (client->entitydatabase)
1908         {
1909                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1910                 Protocol_WriteStatsReliable();
1911         }
1912         else
1913         {
1914                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1915                 Protocol_WriteStatsReliable();
1916         }
1917
1918         if(success)
1919                 client->num_skippedentityframes = 0;
1920         else
1921                 ++client->num_skippedentityframes;
1922 }
1923
1924 /*
1925 =============
1926 SV_CleanupEnts
1927
1928 =============
1929 */
1930 static void SV_CleanupEnts (void)
1931 {
1932         prvm_prog_t *prog = SVVM_prog;
1933         int             e;
1934         prvm_edict_t    *ent;
1935
1936         ent = PRVM_NEXT_EDICT(prog->edicts);
1937         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1938                 PRVM_serveredictfloat(ent, effects) = (int)PRVM_serveredictfloat(ent, effects) & ~EF_MUZZLEFLASH;
1939 }
1940
1941 /*
1942 ==================
1943 SV_WriteClientdataToMessage
1944
1945 ==================
1946 */
1947 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1948 {
1949         prvm_prog_t *prog = SVVM_prog;
1950         int             bits;
1951         int             i;
1952         prvm_edict_t    *other;
1953         int             items;
1954         vec3_t  punchvector;
1955         int             viewzoom;
1956         const char *s;
1957         float   *statsf = (float *)stats;
1958         float gravity;
1959
1960 //
1961 // send a damage message
1962 //
1963         if (PRVM_serveredictfloat(ent, dmg_take) || PRVM_serveredictfloat(ent, dmg_save))
1964         {
1965                 other = PRVM_PROG_TO_EDICT(PRVM_serveredictedict(ent, dmg_inflictor));
1966                 MSG_WriteByte (msg, svc_damage);
1967                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_save));
1968                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_take));
1969                 for (i=0 ; i<3 ; i++)
1970                         MSG_WriteCoord (msg, PRVM_serveredictvector(other, origin)[i] + 0.5*(PRVM_serveredictvector(other, mins)[i] + PRVM_serveredictvector(other, maxs)[i]), sv.protocol);
1971
1972                 PRVM_serveredictfloat(ent, dmg_take) = 0;
1973                 PRVM_serveredictfloat(ent, dmg_save) = 0;
1974         }
1975
1976 //
1977 // send the current viewpos offset from the view entity
1978 //
1979         SV_SetIdealPitch ();            // how much to look up / down ideally
1980
1981 // a fixangle might get lost in a dropped packet.  Oh well.
1982         if(PRVM_serveredictfloat(ent, fixangle))
1983         {
1984                 // angle fixing was requested by global thinking code...
1985                 // so store the current angles for later use
1986                 memcpy(host_client->fixangle_angles, PRVM_serveredictvector(ent, angles), sizeof(host_client->fixangle_angles));
1987                 host_client->fixangle_angles_set = TRUE;
1988
1989                 // and clear fixangle for the next frame
1990                 PRVM_serveredictfloat(ent, fixangle) = 0;
1991         }
1992
1993         if (host_client->fixangle_angles_set)
1994         {
1995                 MSG_WriteByte (msg, svc_setangle);
1996                 for (i=0 ; i < 3 ; i++)
1997                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
1998                 host_client->fixangle_angles_set = FALSE;
1999         }
2000
2001         // stuff the sigil bits into the high bits of items for sbar, or else
2002         // mix in items2
2003         // LordHavoc: detecting items2 turned out to be tricky, check if the field
2004         // was forcefully declared, we want to override serverflags if it was
2005         // declared by the qc intentionally, but not if we added it in the engine.
2006         if (prog->fieldoffsets.items2 < (int)(prog->numfielddefs - SV_REQGLOBALS))
2007                 items = (int)PRVM_serveredictfloat(ent, items) | ((int)PRVM_serveredictfloat(ent, items2) << 23);
2008         else
2009                 items = (int)PRVM_serveredictfloat(ent, items) | ((int)PRVM_serverglobalfloat(serverflags) << 28);
2010
2011         VectorCopy(PRVM_serveredictvector(ent, punchvector), punchvector);
2012
2013         // cache weapon model name and index in client struct to save time
2014         // (this search can be almost 1% of cpu time!)
2015         s = PRVM_GetString(prog, PRVM_serveredictstring(ent, weaponmodel));
2016         if (strcmp(s, client->weaponmodel))
2017         {
2018                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
2019                 client->weaponmodelindex = SV_ModelIndex(s, 1);
2020         }
2021
2022         viewzoom = (int)(PRVM_serveredictfloat(ent, viewzoom) * 255.0f);
2023         if (viewzoom == 0)
2024                 viewzoom = 255;
2025
2026         bits = 0;
2027
2028         if ((int)PRVM_serveredictfloat(ent, flags) & FL_ONGROUND)
2029                 bits |= SU_ONGROUND;
2030         if (PRVM_serveredictfloat(ent, waterlevel) >= 2)
2031                 bits |= SU_INWATER;
2032         if (PRVM_serveredictfloat(ent, idealpitch))
2033                 bits |= SU_IDEALPITCH;
2034
2035         for (i=0 ; i<3 ; i++)
2036         {
2037                 if (PRVM_serveredictvector(ent, punchangle)[i])
2038                         bits |= (SU_PUNCH1<<i);
2039                 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)
2040                         if (punchvector[i])
2041                                 bits |= (SU_PUNCHVEC1<<i);
2042                 if (PRVM_serveredictvector(ent, velocity)[i])
2043                         bits |= (SU_VELOCITY1<<i);
2044         }
2045
2046         gravity = PRVM_serveredictfloat(ent, gravity);if (!gravity) gravity = 1.0f;
2047
2048         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
2049         stats[STAT_VIEWHEIGHT] = (int)PRVM_serveredictvector(ent, view_ofs)[2];
2050         stats[STAT_ITEMS] = items;
2051         stats[STAT_WEAPONFRAME] = (int)PRVM_serveredictfloat(ent, weaponframe);
2052         stats[STAT_ARMOR] = (int)PRVM_serveredictfloat(ent, armorvalue);
2053         stats[STAT_WEAPON] = client->weaponmodelindex;
2054         stats[STAT_HEALTH] = (int)PRVM_serveredictfloat(ent, health);
2055         stats[STAT_AMMO] = (int)PRVM_serveredictfloat(ent, currentammo);
2056         stats[STAT_SHELLS] = (int)PRVM_serveredictfloat(ent, ammo_shells);
2057         stats[STAT_NAILS] = (int)PRVM_serveredictfloat(ent, ammo_nails);
2058         stats[STAT_ROCKETS] = (int)PRVM_serveredictfloat(ent, ammo_rockets);
2059         stats[STAT_CELLS] = (int)PRVM_serveredictfloat(ent, ammo_cells);
2060         stats[STAT_ACTIVEWEAPON] = (int)PRVM_serveredictfloat(ent, weapon);
2061         stats[STAT_VIEWZOOM] = viewzoom;
2062         stats[STAT_TOTALSECRETS] = (int)PRVM_serverglobalfloat(total_secrets);
2063         stats[STAT_TOTALMONSTERS] = (int)PRVM_serverglobalfloat(total_monsters);
2064         // the QC bumps these itself by sending svc_'s, so we have to keep them
2065         // zero or they'll be corrected by the engine
2066         //stats[STAT_SECRETS] = PRVM_serverglobalfloat(found_secrets);
2067         //stats[STAT_MONSTERS] = PRVM_serverglobalfloat(killed_monsters);
2068
2069         // movement settings for prediction
2070         // note: these are not sent in protocols with lower MAX_CL_STATS limits
2071         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
2072                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
2073                 | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0)
2074                 | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0)
2075         ;
2076         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
2077         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
2078         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
2079         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
2080         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
2081         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
2082         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
2083         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
2084         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
2085         statsf[STAT_MOVEVARS_ENTGRAVITY] = gravity;
2086         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
2087         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
2088         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
2089         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
2090         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
2091         statsf[STAT_MOVEVARS_AIRACCEL_QW_STRETCHFACTOR] = sv_airaccel_qw_stretchfactor.value;
2092         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
2093         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
2094         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
2095         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
2096         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
2097         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
2098         statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value;
2099         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
2100         statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value;
2101         statsf[STAT_MOVEVARS_AIRCONTROL_PENALTY] = sv_aircontrol_penalty.value;
2102         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
2103         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
2104         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
2105         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
2106         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
2107         statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW] = sv_airspeedlimit_nonqw.value;
2108         statsf[STAT_FRAGLIMIT] = fraglimit.value;
2109         statsf[STAT_TIMELIMIT] = timelimit.value;
2110
2111         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)
2112         {
2113                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
2114                 bits |= SU_ITEMS;
2115                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
2116                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
2117                 bits |= SU_WEAPON;
2118                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
2119                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2120                         if (viewzoom != 255)
2121                                 bits |= SU_VIEWZOOM;
2122         }
2123
2124         if (bits >= 65536)
2125                 bits |= SU_EXTEND1;
2126         if (bits >= 16777216)
2127                 bits |= SU_EXTEND2;
2128
2129         // send the data
2130         MSG_WriteByte (msg, svc_clientdata);
2131         MSG_WriteShort (msg, bits);
2132         if (bits & SU_EXTEND1)
2133                 MSG_WriteByte(msg, bits >> 16);
2134         if (bits & SU_EXTEND2)
2135                 MSG_WriteByte(msg, bits >> 24);
2136
2137         if (bits & SU_VIEWHEIGHT)
2138                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
2139
2140         if (bits & SU_IDEALPITCH)
2141                 MSG_WriteChar (msg, (int)PRVM_serveredictfloat(ent, idealpitch));
2142
2143         for (i=0 ; i<3 ; i++)
2144         {
2145                 if (bits & (SU_PUNCH1<<i))
2146                 {
2147                         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)
2148                                 MSG_WriteChar(msg, (int)PRVM_serveredictvector(ent, punchangle)[i]);
2149                         else
2150                                 MSG_WriteAngle16i(msg, PRVM_serveredictvector(ent, punchangle)[i]);
2151                 }
2152                 if (bits & (SU_PUNCHVEC1<<i))
2153                 {
2154                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2155                                 MSG_WriteCoord16i(msg, punchvector[i]);
2156                         else
2157                                 MSG_WriteCoord32f(msg, punchvector[i]);
2158                 }
2159                 if (bits & (SU_VELOCITY1<<i))
2160                 {
2161                         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)
2162                                 MSG_WriteChar(msg, (int)(PRVM_serveredictvector(ent, velocity)[i] * (1.0f / 16.0f)));
2163                         else
2164                                 MSG_WriteCoord32f(msg, PRVM_serveredictvector(ent, velocity)[i]);
2165                 }
2166         }
2167
2168         if (bits & SU_ITEMS)
2169                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
2170
2171         if (sv.protocol == PROTOCOL_DARKPLACES5)
2172         {
2173                 if (bits & SU_WEAPONFRAME)
2174                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
2175                 if (bits & SU_ARMOR)
2176                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
2177                 if (bits & SU_WEAPON)
2178                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
2179                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2180                 MSG_WriteShort (msg, stats[STAT_AMMO]);
2181                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
2182                 MSG_WriteShort (msg, stats[STAT_NAILS]);
2183                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
2184                 MSG_WriteShort (msg, stats[STAT_CELLS]);
2185                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
2186                 if (bits & SU_VIEWZOOM)
2187                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2188         }
2189         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)
2190         {
2191                 if (bits & SU_WEAPONFRAME)
2192                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
2193                 if (bits & SU_ARMOR)
2194                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
2195                 if (bits & SU_WEAPON)
2196                 {
2197                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2198                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
2199                         else
2200                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
2201                 }
2202                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2203                 MSG_WriteByte (msg, stats[STAT_AMMO]);
2204                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
2205                 MSG_WriteByte (msg, stats[STAT_NAILS]);
2206                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
2207                 MSG_WriteByte (msg, stats[STAT_CELLS]);
2208                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
2209                 {
2210                         for (i = 0;i < 32;i++)
2211                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
2212                                         break;
2213                         MSG_WriteByte (msg, i);
2214                 }
2215                 else
2216                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
2217                 if (bits & SU_VIEWZOOM)
2218                 {
2219                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2220                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
2221                         else
2222                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2223                 }
2224         }
2225 }
2226
2227 void SV_FlushBroadcastMessages(void)
2228 {
2229         int i;
2230         client_t *client;
2231         if (sv.datagram.cursize <= 0)
2232                 return;
2233         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2234         {
2235                 if (!client->spawned || !client->netconnection || client->unreliablemsg.cursize + sv.datagram.cursize > client->unreliablemsg.maxsize || client->unreliablemsg_splitpoints >= (int)(sizeof(client->unreliablemsg_splitpoint)/sizeof(client->unreliablemsg_splitpoint[0])))
2236                         continue;
2237                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2238                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2239         }
2240         SZ_Clear(&sv.datagram);
2241 }
2242
2243 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2244 {
2245         // scan the splitpoints to find out how many we can fit in
2246         int numsegments, j, split;
2247         if (!client->unreliablemsg_splitpoints)
2248                 return;
2249         // always accept the first one if it's within 1024 bytes, this ensures
2250         // that very big datagrams which are over the rate limit still get
2251         // through, just to keep it working
2252         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2253                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2254                         break;
2255         // the first segment gets an exemption from the rate limiting, otherwise
2256         // it could get dropped consistently due to a low rate limit
2257         if (numsegments == 1)
2258                 maxsize = maxsize2;
2259         // some will fit, so add the ones that will fit
2260         split = client->unreliablemsg_splitpoint[numsegments-1];
2261         // note this discards ones that were accepted by the segments scan but
2262         // can not fit, such as a really huge first one that will never ever
2263         // fit in a packet...
2264         if (msg->cursize + split <= maxsize)
2265                 SZ_Write(msg, client->unreliablemsg.data, split);
2266         // remove the part we sent, keeping any remaining data
2267         client->unreliablemsg.cursize -= split;
2268         if (client->unreliablemsg.cursize > 0)
2269                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2270         // adjust remaining splitpoints
2271         client->unreliablemsg_splitpoints -= numsegments;
2272         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2273                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2274 }
2275
2276 /*
2277 =======================
2278 SV_SendClientDatagram
2279 =======================
2280 */
2281 static void SV_SendClientDatagram (client_t *client)
2282 {
2283         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2284         sizebuf_t msg;
2285         int stats[MAX_CL_STATS];
2286         static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2287
2288         // obey rate limit by limiting packet frequency if the packet size
2289         // limiting fails
2290         // (usually this is caused by reliable messages)
2291         if (!NetConn_CanSend(client->netconnection))
2292                 return;
2293
2294         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2295         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2296         if (sv_maxrate.integer != maxrate)
2297                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2298
2299         // clientrate determines the 'cleartime' of a packet
2300         // (how long to wait before sending another, based on this packet's size)
2301         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2302
2303         switch (sv.protocol)
2304         {
2305         case PROTOCOL_QUAKE:
2306         case PROTOCOL_QUAKEDP:
2307         case PROTOCOL_NEHAHRAMOVIE:
2308         case PROTOCOL_NEHAHRABJP:
2309         case PROTOCOL_NEHAHRABJP2:
2310         case PROTOCOL_NEHAHRABJP3:
2311         case PROTOCOL_QUAKEWORLD:
2312                 // no packet size limit support on Quake protocols because it just
2313                 // causes missing entities/effects
2314                 // packets are simply sent less often to obey the rate limit
2315                 maxsize = 1024;
2316                 maxsize2 = 1024;
2317                 break;
2318         case PROTOCOL_DARKPLACES1:
2319         case PROTOCOL_DARKPLACES2:
2320         case PROTOCOL_DARKPLACES3:
2321         case PROTOCOL_DARKPLACES4:
2322                 // no packet size limit support on DP1-4 protocols because they kick
2323                 // the client off if they overflow, and miss effects
2324                 // packets are simply sent less often to obey the rate limit
2325                 maxsize = sizeof(sv_sendclientdatagram_buf);
2326                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2327                 break;
2328         default:
2329                 // DP5 and later protocols support packet size limiting which is a
2330                 // better method than limiting packet frequency as QW does
2331                 //
2332                 // at very low rates (or very small sys_ticrate) the packet size is
2333                 // not reduced below 128, but packets may be sent less often
2334                 maxsize = (int)(clientrate * sys_ticrate.value);
2335                 maxsize = bound(128, maxsize, 1400);
2336                 maxsize2 = 1400;
2337                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2338                 // mods that use csqc (they are likely to use less bandwidth anyway)
2339                 if (sv.csqc_progsize > 0)
2340                         maxsize = maxsize2;
2341                 break;
2342         }
2343
2344         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2345         {
2346                 // for good singleplayer, send huge packets
2347                 maxsize = sizeof(sv_sendclientdatagram_buf);
2348                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2349                 // never limit frequency in singleplayer
2350                 clientrate = 1000000000;
2351         }
2352
2353         // while downloading, limit entity updates to half the packet
2354         // (any leftover space will be used for downloading)
2355         if (host_client->download_file)
2356                 maxsize /= 2;
2357
2358         msg.data = sv_sendclientdatagram_buf;
2359         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2360         msg.cursize = 0;
2361         msg.allowoverflow = false;
2362
2363         if (host_client->spawned)
2364         {
2365                 // the player is in the game
2366                 MSG_WriteByte (&msg, svc_time);
2367                 MSG_WriteFloat (&msg, sv.time);
2368
2369                 // add the client specific data to the datagram
2370                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2371                 // now update the stats[] array using any registered custom fields
2372                 VM_SV_UpdateCustomStats(client, client->edict, &msg, stats);
2373                 // set host_client->statsdeltabits
2374                 Protocol_UpdateClientStats (stats);
2375
2376                 // add as many queued unreliable messages (effects) as we can fit
2377                 // limit effects to half of the remaining space
2378                 if (client->unreliablemsg.cursize)
2379                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2380
2381                 // now write as many entities as we can fit, and also sends stats
2382                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2383         }
2384         else if (realtime > client->keepalivetime)
2385         {
2386                 // the player isn't totally in the game yet
2387                 // send small keepalive messages if too much time has passed
2388                 // (may also be sending downloads)
2389                 client->keepalivetime = realtime + 5;
2390                 MSG_WriteChar (&msg, svc_nop);
2391         }
2392
2393         // if a download is active, see if there is room to fit some download data
2394         // in this packet
2395         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2396         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2397         {
2398                 fs_offset_t downloadstart;
2399                 unsigned char data[1400];
2400                 downloadstart = FS_Tell(host_client->download_file);
2401                 downloadsize = min(downloadsize, (int)sizeof(data));
2402                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2403                 // note this sends empty messages if at the end of the file, which is
2404                 // necessary to keep the packet loss logic working
2405                 // (the last blocks may be lost and need to be re-sent, and that will
2406                 //  only occur if the client acks the empty end messages, revealing
2407                 //  a gap in the download progress, causing the last blocks to be
2408                 //  sent again)
2409                 MSG_WriteChar (&msg, svc_downloaddata);
2410                 MSG_WriteLong (&msg, downloadstart);
2411                 MSG_WriteShort (&msg, downloadsize);
2412                 if (downloadsize > 0)
2413                         SZ_Write (&msg, data, downloadsize);
2414         }
2415
2416         // reliable only if none is in progress
2417         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2418                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2419         // unreliable
2420         SV_WriteDemoMessage(client, &msg, false);
2421
2422 // send the datagram
2423         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2424         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2425                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2426 }
2427
2428 /*
2429 =======================
2430 SV_UpdateToReliableMessages
2431 =======================
2432 */
2433 static void SV_UpdateToReliableMessages (void)
2434 {
2435         prvm_prog_t *prog = SVVM_prog;
2436         int i, j;
2437         client_t *client;
2438         const char *name;
2439         const char *model;
2440         const char *skin;
2441         int clientcamera;
2442
2443 // check for changes to be sent over the reliable streams
2444         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2445         {
2446                 // update the host_client fields we care about according to the entity fields
2447                 host_client->edict = PRVM_EDICT_NUM(i+1);
2448
2449                 // DP_SV_CLIENTNAME
2450                 name = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, netname));
2451                 if (name == NULL)
2452                         name = "";
2453                 // always point the string back at host_client->name to keep it safe
2454                 strlcpy (host_client->name, name, sizeof (host_client->name));
2455                 PRVM_serveredictstring(host_client->edict, netname) = PRVM_SetEngineString(prog, host_client->name);
2456                 if (strcmp(host_client->old_name, host_client->name))
2457                 {
2458                         if (host_client->spawned)
2459                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2460                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2461                         // send notification to all clients
2462                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2463                         MSG_WriteByte (&sv.reliable_datagram, i);
2464                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2465                         SV_WriteNetnameIntoDemo(host_client);
2466                 }
2467
2468                 // DP_SV_CLIENTCOLORS
2469                 host_client->colors = (int)PRVM_serveredictfloat(host_client->edict, clientcolors);
2470                 if (host_client->old_colors != host_client->colors)
2471                 {
2472                         host_client->old_colors = host_client->colors;
2473                         // send notification to all clients
2474                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2475                         MSG_WriteByte (&sv.reliable_datagram, i);
2476                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2477                 }
2478
2479                 // NEXUIZ_PLAYERMODEL
2480                 model = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, playermodel));
2481                 if (model == NULL)
2482                         model = "";
2483                 // always point the string back at host_client->name to keep it safe
2484                 strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2485                 PRVM_serveredictstring(host_client->edict, playermodel) = PRVM_SetEngineString(prog, host_client->playermodel);
2486
2487                 // NEXUIZ_PLAYERSKIN
2488                 skin = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, playerskin));
2489                 if (skin == NULL)
2490                         skin = "";
2491                 // always point the string back at host_client->name to keep it safe
2492                 strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2493                 PRVM_serveredictstring(host_client->edict, playerskin) = PRVM_SetEngineString(prog, host_client->playerskin);
2494
2495                 // TODO: add an extension name for this [1/17/2008 Black]
2496                 clientcamera = PRVM_serveredictedict(host_client->edict, clientcamera);
2497                 if (clientcamera > 0)
2498                 {
2499                         int oldclientcamera = host_client->clientcamera;
2500                         if (clientcamera >= prog->max_edicts || PRVM_EDICT_NUM(clientcamera)->priv.required->free)
2501                                 clientcamera = PRVM_NUM_FOR_EDICT(host_client->edict);
2502                         host_client->clientcamera = clientcamera;
2503
2504                         if (oldclientcamera != host_client->clientcamera && host_client->netconnection)
2505                         {
2506                                 MSG_WriteByte(&host_client->netconnection->message, svc_setview);
2507                                 MSG_WriteShort(&host_client->netconnection->message, host_client->clientcamera);
2508                         }
2509                 }
2510
2511                 // frags
2512                 host_client->frags = (int)PRVM_serveredictfloat(host_client->edict, frags);
2513                 if(gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
2514                         if(!host_client->spawned && host_client->netconnection)
2515                                 host_client->frags = -666;
2516                 if (host_client->old_frags != host_client->frags)
2517                 {
2518                         host_client->old_frags = host_client->frags;
2519                         // send notification to all clients
2520                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2521                         MSG_WriteByte (&sv.reliable_datagram, i);
2522                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2523                 }
2524         }
2525
2526         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2527                 if (client->netconnection && (client->spawned || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2528                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2529
2530         SZ_Clear (&sv.reliable_datagram);
2531 }
2532
2533
2534 /*
2535 =======================
2536 SV_SendClientMessages
2537 =======================
2538 */
2539 void SV_SendClientMessages(void)
2540 {
2541         int i, prepared = false;
2542
2543         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2544                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2545
2546         SV_FlushBroadcastMessages();
2547
2548 // update frags, names, etc
2549         SV_UpdateToReliableMessages();
2550
2551 // build individual updates
2552         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2553         {
2554                 if (!host_client->active)
2555                         continue;
2556                 if (!host_client->netconnection)
2557                         continue;
2558
2559                 if (host_client->netconnection->message.overflowed)
2560                 {
2561                         SV_DropClient (true);   // if the message couldn't send, kick off
2562                         continue;
2563                 }
2564
2565                 if (!prepared)
2566                 {
2567                         prepared = true;
2568                         // only prepare entities once per frame
2569                         SV_PrepareEntitiesForSending();
2570                 }
2571                 SV_SendClientDatagram(host_client);
2572         }
2573
2574 // clear muzzle flashes
2575         SV_CleanupEnts();
2576 }
2577
2578 static void SV_StartDownload_f(void)
2579 {
2580         if (host_client->download_file)
2581                 host_client->download_started = true;
2582 }
2583
2584 /*
2585  * Compression extension negotiation:
2586  *
2587  * Server to client:
2588  *   cl_serverextension_download 2
2589  *
2590  * Client to server:
2591  *   download <filename> <list of zero or more suppported compressions in order of preference>
2592  * e.g.
2593  *   download maps/map1.bsp lzo deflate huffman
2594  *
2595  * Server to client:
2596  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2597  * e.g.
2598  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2599  *
2600  * The server may choose not to compress the file by sending no compression name, like:
2601  *   cl_downloadbegin 345678 maps/map1.bsp
2602  *
2603  * NOTE: the "download" command may only specify compression algorithms if
2604  *       cl_serverextension_download is 2!
2605  *       If cl_serverextension_download has a different value, the client must
2606  *       assume this extension is not supported!
2607  */
2608
2609 static void Download_CheckExtensions(void)
2610 {
2611         int i;
2612         int argc = Cmd_Argc();
2613
2614         // first reset them all
2615         host_client->download_deflate = false;
2616
2617         for(i = 2; i < argc; ++i)
2618         {
2619                 if(!strcmp(Cmd_Argv(i), "deflate"))
2620                 {
2621                         host_client->download_deflate = true;
2622                         break;
2623                 }
2624         }
2625 }
2626
2627 static void SV_Download_f(void)
2628 {
2629         const char *whichpack, *whichpack2, *extension;
2630         qboolean is_csqc; // so we need to check only once
2631
2632         if (Cmd_Argc() < 2)
2633         {
2634                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2635                 SV_ClientPrintf("       supported extensions: deflate\n");
2636                 return;
2637         }
2638
2639         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2640         {
2641                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2642                 return;
2643         }
2644
2645         if (host_client->download_file)
2646         {
2647                 // at this point we'll assume the previous download should be aborted
2648                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2649                 Host_ClientCommands("\nstopdownload\n");
2650
2651                 // close the file and reset variables
2652                 FS_Close(host_client->download_file);
2653                 host_client->download_file = NULL;
2654                 host_client->download_name[0] = 0;
2655                 host_client->download_expectedposition = 0;
2656                 host_client->download_started = false;
2657         }
2658
2659         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2660
2661         if (!sv_allowdownloads.integer && !is_csqc)
2662         {
2663                 SV_ClientPrintf("Downloads are disabled on this server\n");
2664                 Host_ClientCommands("\nstopdownload\n");
2665                 return;
2666         }
2667
2668         Download_CheckExtensions();
2669
2670         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2671         extension = FS_FileExtension(host_client->download_name);
2672
2673         // host_client is asking to download a specified file
2674         if (developer_extra.integer)
2675                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2676
2677         if(is_csqc)
2678         {
2679                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2680                 extensions[0] = '\0';
2681
2682                 if(host_client->download_deflate)
2683                         strlcat(extensions, " deflate", sizeof(extensions));
2684
2685                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2686
2687                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2688                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2689                 else
2690                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2691
2692                 // no, no space is needed between %s and %s :P
2693                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2694
2695                 host_client->download_expectedposition = 0;
2696                 host_client->download_started = false;
2697                 host_client->sendsignon = true; // make sure this message is sent
2698                 return;
2699         }
2700
2701         if (!FS_FileExists(host_client->download_name))
2702         {
2703                 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);
2704                 Host_ClientCommands("\nstopdownload\n");
2705                 return;
2706         }
2707
2708         // check if the user is trying to download part of registered Quake(r)
2709         whichpack = FS_WhichPack(host_client->download_name);
2710         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2711         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2712         {
2713                 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);
2714                 Host_ClientCommands("\nstopdownload\n");
2715                 return;
2716         }
2717
2718         // check if the server has forbidden archive downloads entirely
2719         if (!sv_allowdownloads_inarchive.integer)
2720         {
2721                 whichpack = FS_WhichPack(host_client->download_name);
2722                 if (whichpack)
2723                 {
2724                         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);
2725                         Host_ClientCommands("\nstopdownload\n");
2726                         return;
2727                 }
2728         }
2729
2730         if (!sv_allowdownloads_config.integer)
2731         {
2732                 if (!strcasecmp(extension, "cfg"))
2733                 {
2734                         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);
2735                         Host_ClientCommands("\nstopdownload\n");
2736                         return;
2737                 }
2738         }
2739
2740         if (!sv_allowdownloads_dlcache.integer)
2741         {
2742                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2743                 {
2744                         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);
2745                         Host_ClientCommands("\nstopdownload\n");
2746                         return;
2747                 }
2748         }
2749
2750         if (!sv_allowdownloads_archive.integer)
2751         {
2752                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2753                 {
2754                         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);
2755                         Host_ClientCommands("\nstopdownload\n");
2756                         return;
2757                 }
2758         }
2759
2760         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2761         if (!host_client->download_file)
2762         {
2763                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2764                 Host_ClientCommands("\nstopdownload\n");
2765                 return;
2766         }
2767
2768         if (FS_FileSize(host_client->download_file) > 1<<30)
2769         {
2770                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2771                 Host_ClientCommands("\nstopdownload\n");
2772                 FS_Close(host_client->download_file);
2773                 host_client->download_file = NULL;
2774                 return;
2775         }
2776
2777         if (FS_FileSize(host_client->download_file) < 0)
2778         {
2779                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\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         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2787
2788         /*
2789          * we can only do this if we would actually deflate on the fly
2790          * which we do not (yet)!
2791         {
2792                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2793                 extensions[0] = '\0';
2794
2795                 if(host_client->download_deflate)
2796                         strlcat(extensions, " deflate", sizeof(extensions));
2797
2798                 // no, no space is needed between %s and %s :P
2799                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2800         }
2801         */
2802         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2803
2804         host_client->download_expectedposition = 0;
2805         host_client->download_started = false;
2806         host_client->sendsignon = true; // make sure this message is sent
2807
2808         // the rest of the download process is handled in SV_SendClientDatagram
2809         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2810         //
2811         // no svc_downloaddata messages will be sent until sv_startdownload is
2812         // sent by the client
2813 }
2814
2815 /*
2816 ==============================================================================
2817
2818 SERVER SPAWNING
2819
2820 ==============================================================================
2821 */
2822
2823 /*
2824 ================
2825 SV_ModelIndex
2826
2827 ================
2828 */
2829 int SV_ModelIndex(const char *s, int precachemode)
2830 {
2831         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);
2832         char filename[MAX_QPATH];
2833         if (!s || !*s)
2834                 return 0;
2835         // testing
2836         //if (precachemode == 2)
2837         //      return 0;
2838         strlcpy(filename, s, sizeof(filename));
2839         for (i = 2;i < limit;i++)
2840         {
2841                 if (!sv.model_precache[i][0])
2842                 {
2843                         if (precachemode)
2844                         {
2845                                 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))
2846                                 {
2847                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2848                                         return 0;
2849                                 }
2850                                 if (precachemode == 1)
2851                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2852                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2853                                 if (sv.state == ss_loading)
2854                                 {
2855                                         // running from SV_SpawnServer which is launched from the client console command interpreter
2856                                         sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2857                                 }
2858                                 else
2859                                 {
2860                                         if (svs.threaded)
2861                                         {
2862                                                 // 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
2863                                                 sv.models[i] = Mod_FindName (sv.model_precache[i], s[0] == '*' ? sv.worldname : NULL);
2864                                         }
2865                                         else
2866                                         {
2867                                                 // running single threaded, so we can load the model here
2868                                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2869                                         }
2870                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2871                                         MSG_WriteShort(&sv.reliable_datagram, i);
2872                                         MSG_WriteString(&sv.reliable_datagram, filename);
2873                                 }
2874                                 return i;
2875                         }
2876                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2877                         return 0;
2878                 }
2879                 if (!strcmp(sv.model_precache[i], filename))
2880                         return i;
2881         }
2882         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2883         return 0;
2884 }
2885
2886 /*
2887 ================
2888 SV_SoundIndex
2889
2890 ================
2891 */
2892 int SV_SoundIndex(const char *s, int precachemode)
2893 {
2894         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);
2895         char filename[MAX_QPATH];
2896         if (!s || !*s)
2897                 return 0;
2898         // testing
2899         //if (precachemode == 2)
2900         //      return 0;
2901         strlcpy(filename, s, sizeof(filename));
2902         for (i = 1;i < limit;i++)
2903         {
2904                 if (!sv.sound_precache[i][0])
2905                 {
2906                         if (precachemode)
2907                         {
2908                                 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))
2909                                 {
2910                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2911                                         return 0;
2912                                 }
2913                                 if (precachemode == 1)
2914                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2915                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2916                                 if (sv.state != ss_loading)
2917                                 {
2918                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2919                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2920                                         MSG_WriteString(&sv.reliable_datagram, filename);
2921                                 }
2922                                 return i;
2923                         }
2924                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2925                         return 0;
2926                 }
2927                 if (!strcmp(sv.sound_precache[i], filename))
2928                         return i;
2929         }
2930         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2931         return 0;
2932 }
2933
2934 /*
2935 ================
2936 SV_ParticleEffectIndex
2937
2938 ================
2939 */
2940 int SV_ParticleEffectIndex(const char *name)
2941 {
2942         int i, argc, linenumber, effectnameindex;
2943         int filepass;
2944         fs_offset_t filesize;
2945         unsigned char *filedata;
2946         const char *text;
2947         const char *textstart;
2948         //const char *textend;
2949         char argv[16][1024];
2950         char filename[MAX_QPATH];
2951         if (!sv.particleeffectnamesloaded)
2952         {
2953                 sv.particleeffectnamesloaded = true;
2954                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2955                 for (i = 0;i < EFFECT_TOTAL;i++)
2956                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2957                 for (filepass = 0;;filepass++)
2958                 {
2959                         if (filepass == 0)
2960                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
2961                         else if (filepass == 1)
2962                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
2963                         else
2964                                 break;
2965                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
2966                         if (!filedata)
2967                                 continue;
2968                         textstart = (const char *)filedata;
2969                         //textend = (const char *)filedata + filesize;
2970                         text = textstart;
2971                         for (linenumber = 1;;linenumber++)
2972                         {
2973                                 argc = 0;
2974                                 for (;;)
2975                                 {
2976                                         if (!COM_ParseToken_Simple(&text, true, false, true) || !strcmp(com_token, "\n"))
2977                                                 break;
2978                                         if (argc < 16)
2979                                         {
2980                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2981                                                 argc++;
2982                                         }
2983                                 }
2984                                 if (com_token[0] == 0)
2985                                         break; // if the loop exited and it's not a \n, it's EOF
2986                                 if (argc < 1)
2987                                         continue;
2988                                 if (!strcmp(argv[0], "effect"))
2989                                 {
2990                                         if (argc == 2)
2991                                         {
2992                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
2993                                                 {
2994                                                         if (sv.particleeffectname[effectnameindex][0])
2995                                                         {
2996                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
2997                                                                         break;
2998                                                         }
2999                                                         else
3000                                                         {
3001                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
3002                                                                 break;
3003                                                         }
3004                                                 }
3005                                                 // if we run out of names, abort
3006                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
3007                                                 {
3008                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
3009                                                         break;
3010                                                 }
3011                                         }
3012                                 }
3013                         }
3014                         Mem_Free(filedata);
3015                 }
3016         }
3017         // search for the name
3018         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
3019                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
3020                         return effectnameindex;
3021         // return 0 if we couldn't find it
3022         return 0;
3023 }
3024
3025 dp_model_t *SV_GetModelByIndex(int modelindex)
3026 {
3027         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3028 }
3029
3030 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
3031 {
3032         prvm_prog_t *prog = SVVM_prog;
3033         int modelindex;
3034         if (!ed || ed->priv.server->free)
3035                 return NULL;
3036         modelindex = (int)PRVM_serveredictfloat(ed, modelindex);
3037         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3038 }
3039
3040 /*
3041 ================
3042 SV_CreateBaseline
3043
3044 ================
3045 */
3046 static void SV_CreateBaseline (void)
3047 {
3048         prvm_prog_t *prog = SVVM_prog;
3049         int i, entnum, large;
3050         prvm_edict_t *svent;
3051
3052         // LordHavoc: clear *all* states (note just active ones)
3053         for (entnum = 0;entnum < prog->max_edicts;entnum++)
3054         {
3055                 // get the current server version
3056                 svent = PRVM_EDICT_NUM(entnum);
3057
3058                 // LordHavoc: always clear state values, whether the entity is in use or not
3059                 svent->priv.server->baseline = defaultstate;
3060
3061                 if (svent->priv.server->free)
3062                         continue;
3063                 if (entnum > svs.maxclients && !PRVM_serveredictfloat(svent, modelindex))
3064                         continue;
3065
3066                 // create entity baseline
3067                 VectorCopy (PRVM_serveredictvector(svent, origin), svent->priv.server->baseline.origin);
3068                 VectorCopy (PRVM_serveredictvector(svent, angles), svent->priv.server->baseline.angles);
3069                 svent->priv.server->baseline.frame = (int)PRVM_serveredictfloat(svent, frame);
3070                 svent->priv.server->baseline.skin = (int)PRVM_serveredictfloat(svent, skin);
3071                 if (entnum > 0 && entnum <= svs.maxclients)
3072                 {
3073                         svent->priv.server->baseline.colormap = entnum;
3074                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
3075                 }
3076                 else
3077                 {
3078                         svent->priv.server->baseline.colormap = 0;
3079                         svent->priv.server->baseline.modelindex = (int)PRVM_serveredictfloat(svent, modelindex);
3080                 }
3081
3082                 large = false;
3083                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
3084                 {
3085                         large = true;
3086                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3087                                 large = false;
3088                 }
3089
3090                 // add to the message
3091                 if (large)
3092                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
3093                 else
3094                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
3095                 MSG_WriteShort (&sv.signon, entnum);
3096
3097                 if (large)
3098                 {
3099                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3100                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
3101                 }
3102                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3103                 {
3104                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3105                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3106                 }
3107                 else
3108                 {
3109                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
3110                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3111                 }
3112                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
3113                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
3114                 for (i=0 ; i<3 ; i++)
3115                 {
3116                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
3117                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
3118                 }
3119         }
3120 }
3121
3122 /*
3123 ================
3124 SV_Prepare_CSQC
3125
3126 Load csprogs.dat and comperss it so it doesn't need to be
3127 reloaded on request.
3128 ================
3129 */
3130 static void SV_Prepare_CSQC(void)
3131 {
3132         fs_offset_t progsize;
3133
3134         if(svs.csqc_progdata)
3135         {
3136                 Con_DPrintf("Unloading old CSQC data.\n");
3137                 Mem_Free(svs.csqc_progdata);
3138                 if(svs.csqc_progdata_deflated)
3139                         Mem_Free(svs.csqc_progdata_deflated);
3140         }
3141
3142         svs.csqc_progdata = NULL;
3143         svs.csqc_progdata_deflated = NULL;
3144
3145         sv.csqc_progname[0] = 0;
3146         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
3147
3148         if(progsize > 0)
3149         {
3150                 size_t deflated_size;
3151
3152                 sv.csqc_progsize = (int)progsize;
3153                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
3154                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
3155                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
3156
3157                 Con_DPrint("Compressing csprogs.dat\n");
3158                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
3159                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
3160                 svs.csqc_progsize_deflated = (int)deflated_size;
3161                 if(svs.csqc_progdata_deflated)
3162                 {
3163                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
3164                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
3165                 }
3166                 else
3167                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
3168         }
3169 }
3170
3171 /*
3172 ================
3173 SV_SaveSpawnparms
3174
3175 Grabs the current state of each client for saving across the
3176 transition to another level
3177 ================
3178 */
3179 void SV_SaveSpawnparms (void)
3180 {
3181         prvm_prog_t *prog = SVVM_prog;
3182         int             i, j;
3183
3184         svs.serverflags = (int)PRVM_serverglobalfloat(serverflags);
3185
3186         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3187         {
3188                 if (!host_client->active)
3189                         continue;
3190
3191         // call the progs to get default spawn parms for the new client
3192                 PRVM_serverglobalfloat(time) = sv.time;
3193                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3194                 prog->ExecuteProgram(prog, PRVM_serverfunction(SetChangeParms), "QC function SetChangeParms is missing");
3195                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
3196                         host_client->spawn_parms[j] = (&PRVM_serverglobalfloat(parm1))[j];
3197         }
3198 }
3199
3200 /*
3201 ================
3202 SV_SpawnServer
3203
3204 This is called at the start of each level
3205 ================
3206 */
3207
3208 void SV_SpawnServer (const char *server)
3209 {
3210         prvm_prog_t *prog = SVVM_prog;
3211         prvm_edict_t *ent;
3212         int i;
3213         char *entities;
3214         dp_model_t *worldmodel;
3215         char modelname[sizeof(sv.worldname)];
3216         char vabuf[1024];
3217
3218         Con_DPrintf("SpawnServer: %s\n", server);
3219
3220         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
3221
3222         if (!FS_FileExists(modelname))
3223         {
3224                 dpsnprintf (modelname, sizeof(modelname), "maps/%s", server);
3225                 if (!FS_FileExists(modelname))
3226                 {
3227                         Con_Printf("SpawnServer: no map file named maps/%s.bsp\n", server);
3228                         return;
3229                 }
3230         }
3231
3232 //      SV_LockThreadMutex();
3233
3234         if(cls.state == ca_dedicated)
3235                 Sys_MakeProcessNice();
3236
3237         if (cls.state != ca_dedicated)
3238         {
3239                 SCR_BeginLoadingPlaque();
3240                 S_StopAllSounds();
3241         }
3242
3243         if(sv.active)
3244         {
3245                 World_End(&sv.world);
3246                 if(PRVM_serverfunction(SV_Shutdown))
3247                 {
3248                         func_t s = PRVM_serverfunction(SV_Shutdown);
3249                         PRVM_serverglobalfloat(time) = sv.time;
3250                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
3251                         prog->ExecuteProgram(prog, s,"SV_Shutdown() required");
3252                 }
3253         }
3254
3255         // free q3 shaders so that any newly downloaded shaders will be active
3256         Mod_FreeQ3Shaders();
3257
3258         worldmodel = Mod_ForName(modelname, false, developer.integer > 0, NULL);
3259         if (!worldmodel || !worldmodel->TraceBox)
3260         {
3261                 Con_Printf("Couldn't load map %s\n", modelname);
3262
3263                 if(cls.state == ca_dedicated)
3264                         Sys_MakeProcessMean();
3265
3266 //              SV_UnlockThreadMutex();
3267
3268                 return;
3269         }
3270
3271         Collision_Cache_Reset(true);
3272
3273         // let's not have any servers with no name
3274         if (hostname.string[0] == 0)
3275                 Cvar_Set ("hostname", "UNNAMED");
3276         scr_centertime_off = 0;
3277
3278         svs.changelevel_issued = false;         // now safe to issue another
3279
3280         // make the map a required file for clients
3281         Curl_ClearRequirements();
3282         Curl_RequireFile(modelname);
3283
3284 //
3285 // tell all connected clients that we are going to a new level
3286 //
3287         if (sv.active)
3288         {
3289                 client_t *client;
3290                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3291                 {
3292                         if (client->netconnection)
3293                         {
3294                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3295                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3296                         }
3297                 }
3298         }
3299         else
3300         {
3301                 // open server port
3302                 NetConn_OpenServerPorts(true);
3303         }
3304
3305 //
3306 // make cvars consistant
3307 //
3308         if (coop.integer)
3309                 Cvar_SetValue ("deathmatch", 0);
3310         // LordHavoc: it can be useful to have skills outside the range 0-3...
3311         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3312         //Cvar_SetValue ("skill", (float)current_skill);
3313         current_skill = (int)(skill.value + 0.5);
3314
3315 //
3316 // set up the new server
3317 //
3318         memset (&sv, 0, sizeof(sv));
3319         // if running a local client, make sure it doesn't try to access the last
3320         // level's data which is no longer valiud
3321         cls.signon = 0;
3322
3323         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
3324
3325         if(*sv_random_seed.string)
3326         {
3327                 srand(sv_random_seed.integer);
3328                 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);
3329         }
3330
3331         SV_VM_Setup();
3332
3333         sv.active = true;
3334
3335         // set level base name variables for later use
3336         strlcpy (sv.name, server, sizeof (sv.name));
3337         strlcpy(sv.worldname, modelname, sizeof(sv.worldname));
3338         FS_StripExtension(sv.worldname, sv.worldnamenoextension, sizeof(sv.worldnamenoextension));
3339         strlcpy(sv.worldbasename, !strncmp(sv.worldnamenoextension, "maps/", 5) ? sv.worldnamenoextension + 5 : sv.worldnamenoextension, sizeof(sv.worldbasename));
3340         //Cvar_SetQuick(&sv_worldmessage, sv.worldmessage); // set later after QC is spawned
3341         Cvar_SetQuick(&sv_worldname, sv.worldname);
3342         Cvar_SetQuick(&sv_worldnamenoextension, sv.worldnamenoextension);
3343         Cvar_SetQuick(&sv_worldbasename, sv.worldbasename);
3344
3345         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3346         if (sv.protocol == PROTOCOL_UNKNOWN)
3347         {
3348                 char buffer[1024];
3349                 Protocol_Names(buffer, sizeof(buffer));
3350                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3351                 sv.protocol = PROTOCOL_QUAKE;
3352         }
3353
3354 // load progs to get entity field count
3355         //PR_LoadProgs ( sv_progs.string );
3356
3357         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3358         sv.datagram.cursize = 0;
3359         sv.datagram.data = sv.datagram_buf;
3360
3361         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3362         sv.reliable_datagram.cursize = 0;
3363         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3364
3365         sv.signon.maxsize = sizeof(sv.signon_buf);
3366         sv.signon.cursize = 0;
3367         sv.signon.data = sv.signon_buf;
3368
3369 // leave slots at start for clients only
3370         //prog->num_edicts = svs.maxclients+1;
3371
3372         sv.state = ss_loading;
3373         prog->allowworldwrites = true;
3374         sv.paused = false;
3375
3376         sv.time = 1.0;
3377
3378         Mod_ClearUsed();
3379         worldmodel->used = true;
3380
3381         sv.worldmodel = worldmodel;
3382         sv.models[1] = sv.worldmodel;
3383
3384 //
3385 // clear world interaction links
3386 //
3387         World_SetSize(&sv.world, sv.worldname, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs, prog);
3388         World_Start(&sv.world);
3389
3390         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3391
3392         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3393         strlcpy(sv.model_precache[1], sv.worldname, sizeof(sv.model_precache[1]));
3394         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3395         {
3396                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3397                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.worldname);
3398         }
3399         if(i < sv.worldmodel->brush.numsubmodels)
3400                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3401
3402 //
3403 // load the rest of the entities
3404 //
3405         // AK possible hack since num_edicts is still 0
3406         ent = PRVM_EDICT_NUM(0);
3407         memset (ent->fields.vp, 0, prog->entityfields * 4);
3408         ent->priv.server->free = false;
3409         PRVM_serveredictstring(ent, model) = PRVM_SetEngineString(prog, sv.worldname);
3410         PRVM_serveredictfloat(ent, modelindex) = 1;             // world model
3411         PRVM_serveredictfloat(ent, solid) = SOLID_BSP;
3412         PRVM_serveredictfloat(ent, movetype) = MOVETYPE_PUSH;
3413         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, mins));
3414         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, maxs));
3415         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, absmin));
3416         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, absmax));
3417
3418         if (coop.value)
3419                 PRVM_serverglobalfloat(coop) = coop.integer;
3420         else
3421                 PRVM_serverglobalfloat(deathmatch) = deathmatch.integer;
3422
3423         PRVM_serverglobalstring(mapname) = PRVM_SetEngineString(prog, sv.name);
3424
3425 // serverflags are for cross level information (sigils)
3426         PRVM_serverglobalfloat(serverflags) = svs.serverflags;
3427
3428         // we need to reset the spawned flag on all connected clients here so that
3429         // their thinks don't run during startup (before PutClientInServer)
3430         // we also need to set up the client entities now
3431         // and we need to set the ->edict pointers to point into the progs edicts
3432         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3433         {
3434                 host_client->spawned = false;
3435                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3436                 PRVM_ED_ClearEdict(prog, host_client->edict);
3437         }
3438
3439         // load replacement entity file if found
3440         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va(vabuf, sizeof(vabuf), "%s.ent", sv.worldnamenoextension), tempmempool, true, NULL)))
3441         {
3442                 Con_Printf("Loaded %s.ent\n", sv.worldnamenoextension);
3443                 PRVM_ED_LoadFromFile(prog, entities);
3444                 Mem_Free(entities);
3445         }
3446         else
3447                 PRVM_ED_LoadFromFile(prog, sv.worldmodel->brush.entities);
3448
3449
3450         // LordHavoc: clear world angles (to fix e3m3.bsp)
3451         VectorClear(PRVM_serveredictvector(prog->edicts, angles));
3452
3453 // all setup is completed, any further precache statements are errors
3454 //      sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3455         prog->allowworldwrites = false;
3456
3457 // run two frames to allow everything to settle
3458         sv.time = 1.0001;
3459         for (i = 0;i < 2;i++)
3460         {
3461                 sv.frametime = 0.1;
3462                 SV_Physics ();
3463         }
3464
3465         if (cls.state == ca_dedicated)
3466                 Mod_PurgeUnused();
3467
3468 // create a baseline for more efficient communications
3469         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)
3470                 SV_CreateBaseline ();
3471
3472         sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3473
3474 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3475         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3476         {
3477                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3478                 if (!host_client->active)
3479                         continue;
3480                 if (host_client->netconnection)
3481                         SV_SendServerinfo(host_client);
3482                 else
3483                 {
3484                         int j;
3485                         // if client is a botclient coming from a level change, we need to
3486                         // set up client info that normally requires networking
3487
3488                         // copy spawn parms out of the client_t
3489                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3490                                 (&PRVM_serverglobalfloat(parm1))[j] = host_client->spawn_parms[j];
3491
3492                         // call the spawn function
3493                         host_client->clientconnectcalled = true;
3494                         PRVM_serverglobalfloat(time) = sv.time;
3495                         PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3496                         prog->ExecuteProgram(prog, PRVM_serverfunction(ClientConnect), "QC function ClientConnect is missing");
3497                         prog->ExecuteProgram(prog, PRVM_serverfunction(PutClientInServer), "QC function PutClientInServer is missing");
3498                         host_client->spawned = true;
3499                 }
3500         }
3501
3502         // update the map title cvar
3503         strlcpy(sv.worldmessage, PRVM_GetString(prog, PRVM_serveredictstring(prog->edicts, message)), sizeof(sv.worldmessage)); // map title (not related to filename)
3504         Cvar_SetQuick(&sv_worldmessage, sv.worldmessage);
3505
3506         Con_DPrint("Server spawned.\n");
3507         NetConn_Heartbeat (2);
3508
3509         if(cls.state == ca_dedicated)
3510                 Sys_MakeProcessMean();
3511
3512 //      SV_UnlockThreadMutex();
3513 }
3514
3515 /////////////////////////////////////////////////////
3516 // SV VM stuff
3517
3518 static void SVVM_begin_increase_edicts(prvm_prog_t *prog)
3519 {
3520         // links don't survive the transition, so unlink everything
3521         World_UnlinkAll(&sv.world);
3522 }
3523
3524 static void SVVM_end_increase_edicts(prvm_prog_t *prog)
3525 {
3526         int i;
3527         prvm_edict_t *ent;
3528
3529         // link every entity except world
3530         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
3531                 if (!ent->priv.server->free)
3532                         SV_LinkEdict(ent);
3533 }
3534
3535 static void SVVM_init_edict(prvm_prog_t *prog, prvm_edict_t *e)
3536 {
3537         // LordHavoc: for consistency set these here
3538         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3539
3540         e->priv.server->move = false; // don't move on first frame
3541
3542         if (num >= 0 && num < svs.maxclients)
3543         {
3544                 // set colormap and team on newly created player entity
3545                 PRVM_serveredictfloat(e, colormap) = num + 1;
3546                 PRVM_serveredictfloat(e, team) = (svs.clients[num].colors & 15) + 1;
3547                 // set netname/clientcolors back to client values so that
3548                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3549                 // reset them
3550                 PRVM_serveredictstring(e, netname) = PRVM_SetEngineString(prog, svs.clients[num].name);
3551                 PRVM_serveredictfloat(e, clientcolors) = svs.clients[num].colors;
3552                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3553                 PRVM_serveredictstring(e, playermodel) = PRVM_SetEngineString(prog, svs.clients[num].playermodel);
3554                 PRVM_serveredictstring(e, playerskin) = PRVM_SetEngineString(prog, svs.clients[num].playerskin);
3555                 // Assign netaddress (IP Address, etc)
3556                 if(svs.clients[num].netconnection != NULL)
3557                 {
3558                         // Acquire Readable Address
3559                         LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3560                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(prog, svs.clients[num].netaddress);
3561                 }
3562                 else
3563                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(prog, "null/botclient");
3564                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_idfp[0])
3565                         PRVM_serveredictstring(e, crypto_idfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.client_idfp);
3566                 else
3567                         PRVM_serveredictstring(e, crypto_idfp) = 0;
3568                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_keyfp[0])
3569                         PRVM_serveredictstring(e, crypto_keyfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.client_keyfp);
3570                 else
3571                         PRVM_serveredictstring(e, crypto_keyfp) = 0;
3572                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.server_keyfp[0])
3573                         PRVM_serveredictstring(e, crypto_mykeyfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.server_keyfp);
3574                 else
3575                         PRVM_serveredictstring(e, crypto_mykeyfp) = 0;
3576                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.use_aes)
3577                         PRVM_serveredictstring(e, crypto_encryptmethod) = PRVM_SetEngineString(prog, "AES128");
3578                 else
3579                         PRVM_serveredictstring(e, crypto_encryptmethod) = 0;
3580                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated)
3581                         PRVM_serveredictstring(e, crypto_signmethod) = PRVM_SetEngineString(prog, "HMAC-SHA256");
3582                 else
3583                         PRVM_serveredictstring(e, crypto_signmethod) = 0;
3584         }
3585 }
3586
3587 static void SVVM_free_edict(prvm_prog_t *prog, prvm_edict_t *ed)
3588 {
3589         int i;
3590         int e;
3591
3592         World_UnlinkEdict(ed);          // unlink from world bsp
3593
3594         PRVM_serveredictstring(ed, model) = 0;
3595         PRVM_serveredictfloat(ed, takedamage) = 0;
3596         PRVM_serveredictfloat(ed, modelindex) = 0;
3597         PRVM_serveredictfloat(ed, colormap) = 0;
3598         PRVM_serveredictfloat(ed, skin) = 0;
3599         PRVM_serveredictfloat(ed, frame) = 0;
3600         VectorClear(PRVM_serveredictvector(ed, origin));
3601         VectorClear(PRVM_serveredictvector(ed, angles));
3602         PRVM_serveredictfloat(ed, nextthink) = -1;
3603         PRVM_serveredictfloat(ed, solid) = 0;
3604
3605         VM_RemoveEdictSkeleton(prog, ed);
3606         World_Physics_RemoveFromEntity(&sv.world, ed);
3607         World_Physics_RemoveJointFromEntity(&sv.world, ed);
3608
3609         // make sure csqc networking is aware of the removed entity
3610         e = PRVM_NUM_FOR_EDICT(ed);
3611         sv.csqcentityversion[e] = 0;
3612         for (i = 0;i < svs.maxclients;i++)
3613         {
3614                 if (svs.clients[i].csqcentityscope[e])
3615                         svs.clients[i].csqcentityscope[e] = 1; // removed, awaiting send
3616                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3617         }
3618 }
3619
3620 static void SVVM_count_edicts(prvm_prog_t *prog)
3621 {
3622         int             i;
3623         prvm_edict_t    *ent;
3624         int             active, models, solid, step;
3625
3626         active = models = solid = step = 0;
3627         for (i=0 ; i<prog->num_edicts ; i++)
3628         {
3629                 ent = PRVM_EDICT_NUM(i);
3630                 if (ent->priv.server->free)
3631                         continue;
3632                 active++;
3633                 if (PRVM_serveredictfloat(ent, solid))
3634                         solid++;
3635                 if (PRVM_serveredictstring(ent, model))
3636                         models++;
3637                 if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
3638                         step++;
3639         }
3640
3641         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3642         Con_Printf("active    :%3i\n", active);
3643         Con_Printf("view      :%3i\n", models);
3644         Con_Printf("touch     :%3i\n", solid);
3645         Con_Printf("step      :%3i\n", step);
3646 }
3647
3648 static qboolean SVVM_load_edict(prvm_prog_t *prog, prvm_edict_t *ent)
3649 {
3650         // remove things from different skill levels or deathmatch
3651         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3652         {
3653                 if (deathmatch.integer)
3654                 {
3655                         if (((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_DEATHMATCH))
3656                         {
3657                                 return false;
3658                         }
3659                 }
3660                 else if ((current_skill <= 0 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_EASY  ))
3661                         || (current_skill == 1 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_MEDIUM))
3662                         || (current_skill >= 2 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_HARD  )))
3663                 {
3664                         return false;
3665                 }
3666         }
3667         return true;
3668 }
3669
3670 static void SV_VM_Setup(void)
3671 {
3672         prvm_prog_t *prog = SVVM_prog;
3673         PRVM_Prog_Init(prog);
3674
3675         // allocate the mempools
3676         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3677         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3678         prog->builtins = vm_sv_builtins;
3679         prog->numbuiltins = vm_sv_numbuiltins;
3680         prog->max_edicts = 512;
3681         if (sv.protocol == PROTOCOL_QUAKE)
3682                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3683         else if (sv.protocol == PROTOCOL_QUAKEDP)
3684                 prog->limit_edicts = 2048; // guessing
3685         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3686                 prog->limit_edicts = 2048; // guessing!
3687         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3688                 prog->limit_edicts = 4096; // guessing!
3689         else
3690                 prog->limit_edicts = MAX_EDICTS;
3691         prog->reserved_edicts = svs.maxclients;
3692         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3693         prog->name = "server";
3694         prog->extensionstring = vm_sv_extensions;
3695         prog->loadintoworld = true;
3696
3697         // all callbacks must be defined (pointers are not checked before calling)
3698         prog->begin_increase_edicts = SVVM_begin_increase_edicts;
3699         prog->end_increase_edicts   = SVVM_end_increase_edicts;
3700         prog->init_edict            = SVVM_init_edict;
3701         prog->free_edict            = SVVM_free_edict;
3702         prog->count_edicts          = SVVM_count_edicts;
3703         prog->load_edict            = SVVM_load_edict;
3704         prog->init_cmd              = SVVM_init_cmd;
3705         prog->reset_cmd             = SVVM_reset_cmd;
3706         prog->error_cmd             = Host_Error;
3707         prog->ExecuteProgram        = SVVM_ExecuteProgram;
3708
3709         PRVM_Prog_Load(prog, sv_progs.string, SV_REQFUNCS, sv_reqfuncs, SV_REQFIELDS, sv_reqfields, SV_REQGLOBALS, sv_reqglobals);
3710
3711         // some mods compiled with scrambling compilers lack certain critical
3712         // global names and field names such as "self" and "time" and "nextthink"
3713         // so we have to set these offsets manually, matching the entvars_t
3714         // but we only do this if the prog header crc matches, otherwise it's totally freeform
3715         if (prog->progs_crc == PROGHEADER_CRC || prog->progs_crc == PROGHEADER_CRC_TENEBRAE)
3716         {
3717                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, modelindex);
3718                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmin);
3719                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmax);
3720                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ltime);
3721                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movetype);
3722                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, solid);
3723                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, origin);
3724                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, oldorigin);
3725                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, velocity);
3726                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3727                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, avelocity);
3728                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, punchangle);
3729                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3730                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, model);
3731                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3732                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, skin);
3733                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, effects);
3734                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, mins);
3735                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, maxs);
3736                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, size);
3737                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, touch);
3738                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, use);
3739                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3740                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, blocked);
3741                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3742                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3743                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, health);
3744                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frags);
3745                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weapon);
3746                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponmodel);
3747                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponframe);
3748                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, currentammo);
3749                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_shells);
3750                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_nails);
3751                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_rockets);
3752                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_cells);
3753                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, items);
3754                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, takedamage);
3755                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3756                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, deadflag);
3757                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, view_ofs);
3758                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button0);
3759                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button1);
3760                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button2);
3761                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, impulse);
3762                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, fixangle);
3763                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, v_angle);
3764                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, idealpitch);
3765                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, netname);
3766                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, enemy);
3767                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, flags);
3768                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, colormap);
3769                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, team);
3770                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, max_health);
3771                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, teleport_time);
3772                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armortype);
3773                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armorvalue);
3774                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, waterlevel);
3775                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, watertype);
3776                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
3777                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
3778                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, aiment);
3779                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, goalentity);
3780                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, spawnflags);
3781                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, target);
3782                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, targetname);
3783                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_take);
3784                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_save);
3785                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_inflictor);
3786                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, owner);
3787                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movedir);
3788                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, message);
3789                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, sounds);
3790                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise);
3791                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise1);
3792                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise2);
3793                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise3);
3794                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
3795                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, other);
3796                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, world);
3797                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
3798                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, frametime);
3799                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, force_retouch);
3800                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, mapname);
3801                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, deathmatch);
3802                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, coop);
3803                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, teamplay);
3804                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, serverflags);
3805                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_secrets);
3806                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_monsters);
3807                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, found_secrets);
3808                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, killed_monsters);
3809                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm1);
3810                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm2);
3811                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm3);
3812                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm4);
3813                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm5);
3814                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm6);
3815                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm7);
3816                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm8);
3817                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm9);
3818                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm10);
3819                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm11);
3820                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm12);
3821                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm13);
3822                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm14);
3823                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm15);
3824                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm16);
3825                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
3826                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
3827                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
3828                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
3829                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
3830                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
3831                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
3832                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
3833                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
3834                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
3835                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
3836                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
3837                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, msg_entity);
3838 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, main);
3839 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, StartFrame);
3840 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPreThink);
3841 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPostThink);
3842 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientKill);
3843 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientConnect);
3844 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PutClientInServer);
3845 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientDisconnect);
3846 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetNewParms);
3847 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetChangeParms);
3848         }
3849         else
3850                 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);
3851
3852         // OP_STATE is always supported on server because we add fields/globals for it
3853         prog->flag |= PRVM_OP_STATE;
3854
3855         VM_CustomStats_Clear();//[515]: csqc
3856
3857         SV_Prepare_CSQC();
3858 }
3859
3860 extern cvar_t host_maxwait;
3861 extern cvar_t host_framerate;
3862 static int SV_ThreadFunc(void *voiddata)
3863 {
3864         prvm_prog_t *prog = SVVM_prog;
3865         qboolean playing = false;
3866         double sv_timer = 0;
3867         double sv_deltarealtime, sv_oldrealtime, sv_realtime;
3868         double wait;
3869         int i;
3870         char vabuf[1024];
3871         sv_realtime = Sys_DirtyTime();
3872         while (!svs.threadstop)
3873         {
3874                 // FIXME: we need to handle Host_Error in the server thread somehow
3875 //              if (setjmp(sv_abortframe))
3876 //                      continue;                       // something bad happened in the server game
3877
3878                 sv_oldrealtime = sv_realtime;
3879                 sv_realtime = Sys_DirtyTime();
3880                 sv_deltarealtime = sv_realtime - sv_oldrealtime;
3881                 if (sv_deltarealtime < 0 || sv_deltarealtime >= 1800) sv_deltarealtime = 0;
3882
3883                 sv_timer += sv_deltarealtime;
3884
3885                 svs.perf_acc_realtime += sv_deltarealtime;
3886
3887                 // 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)
3888                 SV_LockThreadMutex();
3889
3890                 // Look for clients who have spawned
3891                 playing = false;
3892                 if (sv.active)
3893                         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3894                                 if(host_client->spawned)
3895                                         if(host_client->netconnection)
3896                                                 playing = true;
3897                 if(!playing)
3898                 {
3899                         // Nobody is looking? Then we won't do timing...
3900                         // Instead, reset it to zero
3901                         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;
3902                 }
3903                 else if(svs.perf_acc_realtime > 5)
3904                 {
3905                         svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
3906                         svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
3907                         if(svs.perf_acc_offset_samples > 0)
3908                         {
3909                                 svs.perf_offset_max = svs.perf_acc_offset_max;
3910                                 svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
3911                                 svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
3912                         }
3913                         if(svs.perf_lost > 0 && developer_extra.integer)
3914                                 Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport(vabuf, sizeof(vabuf)));
3915                         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;
3916                 }
3917
3918                 // get new packets
3919                 if (sv.active)
3920                         NetConn_ServerFrame();
3921
3922                 // if the accumulators haven't become positive yet, wait a while
3923                 wait = sv_timer * -1000000.0;
3924                 if (wait >= 1)
3925                 {
3926                         double time0, delta;
3927                         SV_UnlockThreadMutex(); // don't keep mutex locked while sleeping
3928                         if (host_maxwait.value <= 0)
3929                                 wait = min(wait, 1000000.0);
3930                         else
3931                                 wait = min(wait, host_maxwait.value * 1000.0);
3932                         if(wait < 1)
3933                                 wait = 1; // because we cast to int
3934                         time0 = Sys_DirtyTime();
3935                         Sys_Sleep((int)wait);
3936                         delta = Sys_DirtyTime() - time0;if (delta < 0 || delta >= 1800) delta = 0;
3937                         svs.perf_acc_sleeptime += delta;
3938                         continue;
3939                 }
3940
3941                 if (sv.active && sv_timer > 0)
3942                 {
3943                         // execute one server frame
3944                         double advancetime;
3945                         float offset;
3946
3947                         if (sys_ticrate.value <= 0)
3948                                 advancetime = min(sv_timer, 0.1); // don't step more than 100ms
3949                         else
3950                                 advancetime = sys_ticrate.value;
3951
3952                         if(advancetime > 0)
3953                         {
3954                                 offset = sv_timer + (Sys_DirtyTime() - sv_realtime); // LordHavoc: FIXME: I don't understand this line
3955                                 ++svs.perf_acc_offset_samples;
3956                                 svs.perf_acc_offset += offset;
3957                                 svs.perf_acc_offset_squared += offset * offset;
3958                                 if(svs.perf_acc_offset_max < offset)
3959                                         svs.perf_acc_offset_max = offset;
3960                         }
3961
3962                         // only advance time if not paused
3963                         // the game also pauses in singleplayer when menu or console is used
3964                         sv.frametime = advancetime * slowmo.value;
3965                         if (host_framerate.value)
3966                                 sv.frametime = host_framerate.value;
3967                         if (sv.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
3968                                 sv.frametime = 0;
3969
3970                         sv_timer -= advancetime;
3971
3972                         // move things around and think unless paused
3973                         if (sv.frametime)
3974                                 SV_Physics();
3975
3976                         // send all messages to the clients
3977                         SV_SendClientMessages();
3978
3979                         if (sv.paused == 1 && sv_realtime > sv.pausedstart && sv.pausedstart > 0)
3980                         {
3981                                 PRVM_serverglobalfloat(time) = sv.time;
3982                                 prog->globals.generic[OFS_PARM0] = sv_realtime - sv.pausedstart;
3983                                 prog->ExecuteProgram(prog, PRVM_serverfunction(SV_PausedTic), "QC function SV_PausedTic is missing");
3984                         }
3985
3986                         // send an heartbeat if enough time has passed since the last one
3987                         NetConn_Heartbeat(0);
3988
3989                 }
3990
3991                 // we're back to safe code now
3992                 SV_UnlockThreadMutex();
3993
3994                 // if there is some time remaining from this frame, reset the timers
3995                 if (sv_timer >= 0)
3996                 {
3997                         svs.perf_acc_lost += sv_timer;
3998                         sv_timer = 0;
3999                 }
4000         }
4001         return 0;
4002 }
4003
4004 void SV_StartThread(void)
4005 {
4006         if (!sv_threaded.integer || !Thread_HasThreads())
4007                 return;
4008         svs.threaded = true;
4009         svs.threadstop = false;
4010         svs.threadmutex = Thread_CreateMutex();
4011         svs.thread = Thread_CreateThread(SV_ThreadFunc, NULL);
4012 }
4013
4014 void SV_StopThread(void)
4015 {
4016         if (!svs.threaded)
4017                 return;
4018         svs.threadstop = true;
4019         Thread_WaitThread(svs.thread, 0);
4020         Thread_DestroyMutex(svs.threadmutex);
4021         svs.threaded = false;
4022 }