sv_main.c

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