sv_main.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // sv_main.c -- server main program
  21
  22 #include "quakedef.h"
  23 #include "sv_demo.h"
  24 #include "libcurl.h"
  25 #include "csprogs.h"
  26 #include "thread.h"
  27
  28 // current client
  29 client_t *host_client;
  30
  31 static void SV_SaveEntFile_f(cmd_state_t *cmd);
  32 static void SV_StartDownload_f(cmd_state_t *cmd);
  33 static void SV_Download_f(cmd_state_t *cmd);
  34 static void SV_VM_Setup(void);
  35 extern cvar_t net_connecttimeout;
  36
  37 cvar_t sv_worldmessage = {CF_SERVER | CF_READONLY, "sv_worldmessage", "", "title of current level"};
  38 cvar_t sv_worldname = {CF_SERVER | CF_READONLY, "sv_worldname", "", "name of current worldmodel"};
  39 cvar_t sv_worldnamenoextension = {CF_SERVER | CF_READONLY, "sv_worldnamenoextension", "", "name of current worldmodel without extension"};
  40 cvar_t sv_worldbasename = {CF_SERVER | CF_READONLY, "sv_worldbasename", "", "name of current worldmodel without maps/ prefix or extension"};
  41
  42 cvar_t sv_disablenotify = {CF_SERVER, "sv_disablenotify", "0", "suppress broadcast prints when certain cvars are changed (CF_NOTIFY flag in engine code)"};
  43 cvar_t coop = {CF_SERVER, "coop","0", "coop mode, 0 = no coop, 1 = coop mode, multiple players playing through the singleplayer game (coop mode also shuts off deathmatch)"};
  44 cvar_t deathmatch = {CF_SERVER, "deathmatch","0", "deathmatch mode, values depend on mod but typically 0 = no deathmatch, 1 = normal deathmatch with respawning weapons, 2 = weapons stay (players can only pick up new weapons)"};
  45 cvar_t fraglimit = {CF_SERVER | CF_NOTIFY, "fraglimit","0", "ends level if this many frags is reached by any player"};
  46 cvar_t gamecfg = {CF_SERVER, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
  47 cvar_t noexit = {CF_SERVER | CF_NOTIFY, "noexit","0", "kills anyone attempting to use an exit"};
  48 cvar_t nomonsters = {CF_SERVER, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
  49 cvar_t pausable = {CF_SERVER, "pausable","1", "allow players to pause or not (otherwise, only the server admin can)"};
  50 cvar_t pr_checkextension = {CF_SERVER | CF_READONLY, "pr_checkextension", "1", "indicates to QuakeC that the standard quakec extensions system is available (if 0, quakec should not attempt to use extensions)"};
  51 cvar_t samelevel = {CF_SERVER | CF_NOTIFY, "samelevel","0", "repeats same level if level ends (due to timelimit or someone hitting an exit)"};
  52 cvar_t skill = {CF_SERVER, "skill","1", "difficulty level of game, affects monster layouts in levels, 0 = easy, 1 = normal, 2 = hard, 3 = nightmare (same layout as hard but monsters fire twice)"};
  53 cvar_t host_timescale = {CF_CLIENT | CF_SERVER, "host_timescale", "1.0", "controls game speed, 0.5 is half speed, 2 is double speed"};
  54
  55 cvar_t sv_accelerate = {CF_SERVER, "sv_accelerate", "10", "rate at which a player accelerates to sv_maxspeed"};
  56 cvar_t sv_aim = {CF_SERVER | CF_ARCHIVE, "sv_aim", "2", "maximum cosine angle for quake's vertical autoaim, a value above 1 completely disables the autoaim, quake used 0.93"};
  57 cvar_t sv_airaccel_qw = {CF_SERVER, "sv_airaccel_qw", "1", "ratio of QW-style air control as opposed to simple acceleration; when < 0, the speed is clamped against the maximum allowed forward speed after the move"};
  58 cvar_t sv_airaccel_qw_stretchfactor = {CF_SERVER, "sv_airaccel_qw_stretchfactor", "0", "when set, the maximum acceleration increase the player may get compared to forward-acceleration when strafejumping"};
  59 cvar_t sv_airaccel_sideways_friction = {CF_SERVER, "sv_airaccel_sideways_friction", "", "anti-sideways movement stabilization (reduces speed gain when zigzagging); when < 0, only so much friction is applied that braking (by accelerating backwards) cannot be stronger"};
  60 cvar_t sv_airaccelerate = {CF_SERVER, "sv_airaccelerate", "-1", "rate at which a player accelerates to sv_maxairspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
  61 cvar_t sv_airstopaccelerate = {CF_SERVER, "sv_airstopaccelerate", "0", "when set, replacement for sv_airaccelerate when moving backwards"};
  62 cvar_t sv_airspeedlimit_nonqw = {CF_SERVER, "sv_airspeedlimit_nonqw", "0", "when set, this is a soft speed limit while in air when using airaccel_qw not equal to 1"};
  63 cvar_t sv_airstrafeaccelerate = {CF_SERVER, "sv_airstrafeaccelerate", "0", "when set, replacement for sv_airaccelerate when just strafing"};
  64 cvar_t sv_maxairstrafespeed = {CF_SERVER, "sv_maxairstrafespeed", "0", "when set, replacement for sv_maxairspeed when just strafing"};
  65 cvar_t sv_airstrafeaccel_qw = {CF_SERVER, "sv_airstrafeaccel_qw", "0", "when set, replacement for sv_airaccel_qw when just strafing"};
  66 cvar_t sv_aircontrol = {CF_SERVER, "sv_aircontrol", "0", "CPMA-style air control"};
  67 cvar_t sv_aircontrol_power = {CF_SERVER, "sv_aircontrol_power", "2", "CPMA-style air control exponent"};
  68 cvar_t sv_aircontrol_penalty = {CF_SERVER, "sv_aircontrol_penalty", "0", "deceleration while using CPMA-style air control"};
  69 cvar_t sv_allowdownloads = {CF_SERVER, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
  70 cvar_t sv_allowdownloads_archive = {CF_SERVER, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
  71 cvar_t sv_allowdownloads_config = {CF_SERVER, "sv_allowdownloads_config", "0", "whether to allow downloads of config files (cfg)"};
  72 cvar_t sv_allowdownloads_dlcache = {CF_SERVER, "sv_allowdownloads_dlcache", "0", "whether to allow downloads of dlcache files (dlcache/)"};
  73 cvar_t sv_allowdownloads_inarchive = {CF_SERVER, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
  74 cvar_t sv_areagrid_mingridsize = {CF_SERVER | CF_NOTIFY, "sv_areagrid_mingridsize", "128", "minimum areagrid cell size, smaller values work better for lots of small objects, higher values for large objects"};
  75 cvar_t sv_checkforpacketsduringsleep = {CF_SERVER, "sv_checkforpacketsduringsleep", "0", "uses select() function to wait between frames which can be interrupted by packets being received, instead of Sleep()/usleep()/SDL_Sleep() functions which do not check for packets"};
  76 cvar_t sv_clmovement_enable = {CF_SERVER, "sv_clmovement_enable", "1", "whether to allow clients to use cl_movement prediction, which can cause choppy movement on the server which may annoy other players"};
  77 cvar_t sv_clmovement_minping = {CF_SERVER, "sv_clmovement_minping", "0", "if client ping is below this time in milliseconds, then their ability to use cl_movement prediction is disabled for a while (as they don't need it)"};
  78 cvar_t sv_clmovement_minping_disabletime = {CF_SERVER, "sv_clmovement_minping_disabletime", "1000", "when client falls below minping, disable their prediction for this many milliseconds (should be at least 1000 or else their prediction may turn on/off frequently)"};
  79 cvar_t sv_clmovement_inputtimeout = {CF_SERVER, "sv_clmovement_inputtimeout", "0.2", "when a client does not send input for this many seconds, force them to move anyway (unlike QuakeWorld)"};
  80 cvar_t sv_cullentities_nevercullbmodels = {CF_SERVER, "sv_cullentities_nevercullbmodels", "0", "if enabled the clients are always notified of moving doors and lifts and other submodels of world (warning: eats a lot of network bandwidth on some levels!)"};
  81 cvar_t sv_cullentities_pvs = {CF_SERVER, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"};
  82 cvar_t sv_cullentities_stats = {CF_SERVER, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
  83 cvar_t sv_cullentities_trace = {CF_SERVER, "sv_cullentities_trace", "0", "somewhat slow but very tight culling of hidden entities, minimizes network traffic and makes wallhack cheats useless"};
  84 cvar_t sv_cullentities_trace_delay = {CF_SERVER, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
  85 cvar_t sv_cullentities_trace_delay_players = {CF_SERVER, "sv_cullentities_trace_delay_players", "0.2", "number of seconds until the entity gets actually culled if it is a player entity"};
  86 cvar_t sv_cullentities_trace_enlarge = {CF_SERVER, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
  87 cvar_t sv_cullentities_trace_expand = {CF_SERVER, "sv_cullentities_trace_expand", "0", "box is expanded by this many units for entity culling"};
  88 cvar_t sv_cullentities_trace_eyejitter = {CF_SERVER, "sv_cullentities_trace_eyejitter", "16", "jitter the eye by this much for each trace"};
  89 cvar_t sv_cullentities_trace_prediction = {CF_SERVER, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
  90 cvar_t sv_cullentities_trace_prediction_time = {CF_SERVER, "sv_cullentities_trace_prediction_time", "0.2", "how many seconds of prediction to use"};
  91 cvar_t sv_cullentities_trace_entityocclusion = {CF_SERVER, "sv_cullentities_trace_entityocclusion", "0", "also check if doors and other bsp models are in the way"};
  92 cvar_t sv_cullentities_trace_samples = {CF_SERVER, "sv_cullentities_trace_samples", "2", "number of samples to test for entity culling"};
  93 cvar_t sv_cullentities_trace_samples_extra = {CF_SERVER, "sv_cullentities_trace_samples_extra", "2", "number of samples to test for entity culling when the entity affects its surroundings by e.g. dlight"};
  94 cvar_t sv_cullentities_trace_samples_players = {CF_SERVER, "sv_cullentities_trace_samples_players", "8", "number of samples to test for entity culling when the entity is a player entity"};
  95 cvar_t sv_debugmove = {CF_SERVER | CF_NOTIFY, "sv_debugmove", "0", "disables collision detection optimizations for debugging purposes"};
  96 cvar_t sv_echobprint = {CF_SERVER | CF_ARCHIVE, "sv_echobprint", "1", "prints gamecode bprint() calls to server console"};
  97 cvar_t sv_edgefriction = {CF_SERVER, "edgefriction", "1", "how much you slow down when nearing a ledge you might fall off, multiplier of sv_friction (Quake used 2, QuakeWorld used 1 due to a bug in physics code)"};
  98 cvar_t sv_entpatch = {CF_SERVER, "sv_entpatch", "1", "enables loading of .ent files to override entities in the bsp (for example Threewave CTF server pack contains .ent patch files enabling play of CTF on id1 maps)"};
  99 cvar_t sv_freezenonclients = {CF_SERVER | CF_NOTIFY, "sv_freezenonclients", "0", "freezes time, except for players, allowing you to walk around and take screenshots of explosions"};
 100 cvar_t sv_friction = {CF_SERVER | CF_NOTIFY, "sv_friction","4", "how fast you slow down"};
 101 cvar_t sv_gameplayfix_blowupfallenzombies = {CF_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"};
 102 cvar_t sv_gameplayfix_consistentplayerprethink = {CF_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"};
 103 cvar_t sv_gameplayfix_delayprojectiles = {CF_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"};
 104 cvar_t sv_gameplayfix_droptofloorstartsolid = {CF_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)"};
 105 cvar_t sv_gameplayfix_droptofloorstartsolid_nudgetocorrect = {CF_SERVER, "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect", "1", "tries to nudge stuck items and monsters out of walls before droptofloor is performed"};
 106 cvar_t sv_gameplayfix_easierwaterjump = {CF_SERVER, "sv_gameplayfix_easierwaterjump", "1", "changes water jumping to make it easier to get out of water (exactly like in QuakeWorld)"};
 107 cvar_t sv_gameplayfix_findradiusdistancetobox = {CF_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"};
 108 cvar_t sv_gameplayfix_gravityunaffectedbyticrate = {CF_SERVER, "sv_gameplayfix_gravityunaffectedbyticrate", "0", "fix some ticrate issues in physics."};
 109 cvar_t sv_gameplayfix_grenadebouncedownslopes = {CF_SERVER, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
 110 cvar_t sv_gameplayfix_multiplethinksperframe = {CF_SERVER, "sv_gameplayfix_multiplethinksperframe", "1", "allows entities to think more often than the server framerate, primarily useful for very high fire rate weapons"};
 111 cvar_t sv_gameplayfix_noairborncorpse = {CF_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"};
 112 cvar_t sv_gameplayfix_noairborncorpse_allowsuspendeditems = {CF_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)"};
 113 cvar_t sv_gameplayfix_nudgeoutofsolid = {CF_SERVER, "sv_gameplayfix_nudgeoutofsolid", "0", "attempts to fix physics errors (where an object ended up in solid for some reason)"};
 114 cvar_t sv_gameplayfix_nudgeoutofsolid_separation = {CF_SERVER, "sv_gameplayfix_nudgeoutofsolid_separation", "0.03125", "keep objects this distance apart to prevent collision issues on seams"};
 115 cvar_t sv_gameplayfix_q2airaccelerate = {CF_SERVER, "sv_gameplayfix_q2airaccelerate", "0", "Quake2-style air acceleration"};
 116 cvar_t sv_gameplayfix_nogravityonground = {CF_SERVER, "sv_gameplayfix_nogravityonground", "0", "turn off gravity when on ground (to get rid of sliding)"};
 117 cvar_t sv_gameplayfix_setmodelrealbox = {CF_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"};
 118 cvar_t sv_gameplayfix_slidemoveprojectiles = {CF_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"};
 119 cvar_t sv_gameplayfix_stepdown = {CF_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)"};
 120 cvar_t sv_gameplayfix_stepmultipletimes = {CF_SERVER, "sv_gameplayfix_stepmultipletimes", "0", "applies step-up onto a ledge more than once in a single frame, when running quickly up stairs"};
 121 cvar_t sv_gameplayfix_nostepmoveonsteepslopes = {CF_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"};
 122 cvar_t sv_gameplayfix_swiminbmodels = {CF_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"};
 123 cvar_t sv_gameplayfix_upwardvelocityclearsongroundflag = {CF_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"};
 124 cvar_t sv_gameplayfix_downtracesupportsongroundflag = {CF_SERVER, "sv_gameplayfix_downtracesupportsongroundflag", "1", "prevents very short moves from clearing onground (which may make the player stick to the floor at high netfps)"};
 125 cvar_t sv_gameplayfix_q1bsptracelinereportstexture = {CF_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"};
 126 cvar_t sv_gameplayfix_unstickplayers = {CF_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."};
 127 cvar_t sv_gameplayfix_unstickentities = {CF_SERVER, "sv_gameplayfix_unstickentities", "1", "hack to check if entities are crossing world collision hull and try to move them to the right position"};
 128 cvar_t sv_gameplayfix_fixedcheckwatertransition = {CF_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)"};
 129 cvar_t sv_gameplayfix_customstats = {CF_SERVER, "sv_gameplayfix_customstats", "0", "Disable stats higher than 220, for use by certain games such as Xonotic"};
 130 cvar_t sv_gravity = {CF_SERVER | CF_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
 131 cvar_t sv_init_frame_count = {CF_SERVER, "sv_init_frame_count", "2", "number of frames to run to allow everything to settle before letting clients connect"};
 132 cvar_t sv_idealpitchscale = {CF_SERVER, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
 133 cvar_t sv_jumpstep = {CF_SERVER | CF_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping"};
 134 cvar_t sv_jumpvelocity = {CF_SERVER, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
 135 cvar_t sv_maxairspeed = {CF_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)"};
 136 cvar_t sv_maxrate = {CF_SERVER | CF_ARCHIVE | CF_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
 137 cvar_t sv_maxspeed = {CF_SERVER | CF_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
 138 cvar_t sv_maxvelocity = {CF_SERVER | CF_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
 139 cvar_t sv_nostep = {CF_SERVER | CF_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
 140 cvar_t sv_playerphysicsqc = {CF_SERVER | CF_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
 141 cvar_t sv_progs = {CF_SERVER, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
 142 cvar_t sv_protocolname = {CF_SERVER, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
 143 cvar_t sv_random_seed = {CF_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"};
 144 cvar_t host_limitlocal = {CF_SERVER, "host_limitlocal", "0", "whether to apply rate limiting to the local player in a listen server (only useful for testing)"};
 145 cvar_t sv_sound_land = {CF_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)"};
 146 cvar_t sv_sound_watersplash = {CF_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)"};
 147 cvar_t sv_stepheight = {CF_SERVER | CF_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
 148 cvar_t sv_stopspeed = {CF_SERVER | CF_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
 149 cvar_t sv_wallfriction = {CF_SERVER | CF_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
 150 cvar_t sv_wateraccelerate = {CF_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"};
 151 cvar_t sv_waterfriction = {CF_SERVER | CF_NOTIFY, "sv_waterfriction","-1", "how fast you slow down, if less than 0 the sv_friction variable is used instead"};
 152 cvar_t sv_warsowbunny_airforwardaccel = {CF_SERVER, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
 153 cvar_t sv_warsowbunny_accel = {CF_SERVER, "sv_warsowbunny_accel", "0.1585", "how fast you accelerate until after reaching sv_maxspeed (it gets harder as you near sv_warsowbunny_topspeed)"};
 154 cvar_t sv_warsowbunny_topspeed = {CF_SERVER, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
 155 cvar_t sv_warsowbunny_turnaccel = {CF_SERVER, "sv_warsowbunny_turnaccel", "0", "max sharpness of turns (also master switch for the sv_warsowbunny_* mode; set this to 9 to enable)"};
 156 cvar_t sv_warsowbunny_backtosideratio = {CF_SERVER, "sv_warsowbunny_backtosideratio", "0.8", "lower values make it easier to change direction without losing speed; the drawback is \"understeering\" in sharp turns"};
 157 cvar_t sv_onlycsqcnetworking = {CF_SERVER, "sv_onlycsqcnetworking", "0", "disables legacy entity networking code for higher performance (except on clients, which can still be legacy)"};
 158 cvar_t sv_areadebug = {CF_SERVER, "sv_areadebug", "0", "disables physics culling for debugging purposes (only for development)"};
 159 cvar_t sys_ticrate = {CF_SERVER | CF_ARCHIVE, "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"};
 160 cvar_t teamplay = {CF_SERVER | CF_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"};
 161 cvar_t timelimit = {CF_SERVER | CF_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
 162 cvar_t sv_threaded = {CF_SERVER, "sv_threaded", "0", "enables a separate thread for server code, improving performance, especially when hosting a game while playing, EXPERIMENTAL, may be crashy"};
 163
 164 cvar_t sv_rollspeed = {CF_CLIENT, "sv_rollspeed", "200", "how much strafing is necessary to tilt the view"};
 165 cvar_t sv_rollangle = {CF_CLIENT, "sv_rollangle", "2.0", "how much to tilt the view when strafing"};
 166
 167 cvar_t saved1 = {CF_SERVER | CF_ARCHIVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 168 cvar_t saved2 = {CF_SERVER | CF_ARCHIVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 169 cvar_t saved3 = {CF_SERVER | CF_ARCHIVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 170 cvar_t saved4 = {CF_SERVER | CF_ARCHIVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 171 cvar_t savedgamecfg = {CF_SERVER | CF_ARCHIVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 172 cvar_t scratch1 = {CF_SERVER, "scratch1", "0", "unused cvar in quake, can be used by mods"};
 173 cvar_t scratch2 = {CF_SERVER,"scratch2", "0", "unused cvar in quake, can be used by mods"};
 174 cvar_t scratch3 = {CF_SERVER, "scratch3", "0", "unused cvar in quake, can be used by mods"};
 175 cvar_t scratch4 = {CF_SERVER, "scratch4", "0", "unused cvar in quake, can be used by mods"};
 176 cvar_t temp1 = {CF_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)"};
 177
 178 cvar_t nehx00 = {CF_SERVER, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
 179 cvar_t nehx01 = {CF_SERVER, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
 180 cvar_t nehx02 = {CF_SERVER, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
 181 cvar_t nehx03 = {CF_SERVER, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
 182 cvar_t nehx04 = {CF_SERVER, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
 183 cvar_t nehx05 = {CF_SERVER, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
 184 cvar_t nehx06 = {CF_SERVER, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
 185 cvar_t nehx07 = {CF_SERVER, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
 186 cvar_t nehx08 = {CF_SERVER, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
 187 cvar_t nehx09 = {CF_SERVER, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
 188 cvar_t nehx10 = {CF_SERVER, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
 189 cvar_t nehx11 = {CF_SERVER, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
 190 cvar_t nehx12 = {CF_SERVER, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
 191 cvar_t nehx13 = {CF_SERVER, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
 192 cvar_t nehx14 = {CF_SERVER, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
 193 cvar_t nehx15 = {CF_SERVER, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
 194 cvar_t nehx16 = {CF_SERVER, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
 195 cvar_t nehx17 = {CF_SERVER, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
 196 cvar_t nehx18 = {CF_SERVER, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
 197 cvar_t nehx19 = {CF_SERVER, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
 198 cvar_t cutscene = {CF_SERVER, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
 199
 200 cvar_t sv_autodemo_perclient = {CF_SERVER | CF_ARCHIVE, "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)"};
 201 cvar_t sv_autodemo_perclient_nameformat = {CF_SERVER | CF_ARCHIVE, "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)" };
 202 cvar_t sv_autodemo_perclient_discardable = {CF_SERVER | CF_ARCHIVE, "sv_autodemo_perclient_discardable", "0", "Allow game code to decide whether a demo should be kept or discarded."};
 203
 204 cvar_t halflifebsp = {CF_SERVER, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
 205 cvar_t sv_mapformat_is_quake2 = {CF_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)"};
 206 cvar_t sv_mapformat_is_quake3 = {CF_SERVER, "sv_mapformat_is_quake3", "0", "indicates the current map is q2bsp format (useful to know because of different entity behaviors)"};
 207
 208 server_t sv;
 209 server_static_t svs;
 210
 211 mempool_t *sv_mempool = NULL;
 212
 213 extern cvar_t host_timescale;
 214 extern float            scr_centertime_off;
 215
 216 // MUST match effectnameindex_t in client.h
 217 static const char *standardeffectnames[EFFECT_TOTAL] =
 218 {
 219         "",
 220         "TE_GUNSHOT",
 221         "TE_GUNSHOTQUAD",
 222         "TE_SPIKE",
 223         "TE_SPIKEQUAD",
 224         "TE_SUPERSPIKE",
 225         "TE_SUPERSPIKEQUAD",
 226         "TE_WIZSPIKE",
 227         "TE_KNIGHTSPIKE",
 228         "TE_EXPLOSION",
 229         "TE_EXPLOSIONQUAD",
 230         "TE_TAREXPLOSION",
 231         "TE_TELEPORT",
 232         "TE_LAVASPLASH",
 233         "TE_SMALLFLASH",
 234         "TE_FLAMEJET",
 235         "EF_FLAME",
 236         "TE_BLOOD",
 237         "TE_SPARK",
 238         "TE_PLASMABURN",
 239         "TE_TEI_G3",
 240         "TE_TEI_SMOKE",
 241         "TE_TEI_BIGEXPLOSION",
 242         "TE_TEI_PLASMAHIT",
 243         "EF_STARDUST",
 244         "TR_ROCKET",
 245         "TR_GRENADE",
 246         "TR_BLOOD",
 247         "TR_WIZSPIKE",
 248         "TR_SLIGHTBLOOD",
 249         "TR_KNIGHTSPIKE",
 250         "TR_VORESPIKE",
 251         "TR_NEHAHRASMOKE",
 252         "TR_NEXUIZPLASMA",
 253         "TR_GLOWTRAIL",
 254         "SVC_PARTICLE"
 255 };
 256
 257 #define SV_REQFUNCS 0
 258 #define sv_reqfuncs NULL
 259
 260 //#define SV_REQFUNCS (sizeof(sv_reqfuncs) / sizeof(const char *))
 261 //static const char *sv_reqfuncs[] = {
 262 //};
 263
 264 #define SV_REQFIELDS (sizeof(sv_reqfields) / sizeof(prvm_required_field_t))
 265
 266 prvm_required_field_t sv_reqfields[] =
 267 {
 268 #define PRVM_DECLARE_serverglobalfloat(x)
 269 #define PRVM_DECLARE_serverglobalvector(x)
 270 #define PRVM_DECLARE_serverglobalstring(x)
 271 #define PRVM_DECLARE_serverglobaledict(x)
 272 #define PRVM_DECLARE_serverglobalfunction(x)
 273 #define PRVM_DECLARE_clientglobalfloat(x)
 274 #define PRVM_DECLARE_clientglobalvector(x)
 275 #define PRVM_DECLARE_clientglobalstring(x)
 276 #define PRVM_DECLARE_clientglobaledict(x)
 277 #define PRVM_DECLARE_clientglobalfunction(x)
 278 #define PRVM_DECLARE_menuglobalfloat(x)
 279 #define PRVM_DECLARE_menuglobalvector(x)
 280 #define PRVM_DECLARE_menuglobalstring(x)
 281 #define PRVM_DECLARE_menuglobaledict(x)
 282 #define PRVM_DECLARE_menuglobalfunction(x)
 283 #define PRVM_DECLARE_serverfieldfloat(x) {ev_float, #x},
 284 #define PRVM_DECLARE_serverfieldvector(x) {ev_vector, #x},
 285 #define PRVM_DECLARE_serverfieldstring(x) {ev_string, #x},
 286 #define PRVM_DECLARE_serverfieldedict(x) {ev_entity, #x},
 287 #define PRVM_DECLARE_serverfieldfunction(x) {ev_function, #x},
 288 #define PRVM_DECLARE_clientfieldfloat(x)
 289 #define PRVM_DECLARE_clientfieldvector(x)
 290 #define PRVM_DECLARE_clientfieldstring(x)
 291 #define PRVM_DECLARE_clientfieldedict(x)
 292 #define PRVM_DECLARE_clientfieldfunction(x)
 293 #define PRVM_DECLARE_menufieldfloat(x)
 294 #define PRVM_DECLARE_menufieldvector(x)
 295 #define PRVM_DECLARE_menufieldstring(x)
 296 #define PRVM_DECLARE_menufieldedict(x)
 297 #define PRVM_DECLARE_menufieldfunction(x)
 298 #define PRVM_DECLARE_serverfunction(x)
 299 #define PRVM_DECLARE_clientfunction(x)
 300 #define PRVM_DECLARE_menufunction(x)
 301 #define PRVM_DECLARE_field(x)
 302 #define PRVM_DECLARE_global(x)
 303 #define PRVM_DECLARE_function(x)
 304 #include "prvm_offsets.h"
 305 #undef PRVM_DECLARE_serverglobalfloat
 306 #undef PRVM_DECLARE_serverglobalvector
 307 #undef PRVM_DECLARE_serverglobalstring
 308 #undef PRVM_DECLARE_serverglobaledict
 309 #undef PRVM_DECLARE_serverglobalfunction
 310 #undef PRVM_DECLARE_clientglobalfloat
 311 #undef PRVM_DECLARE_clientglobalvector
 312 #undef PRVM_DECLARE_clientglobalstring
 313 #undef PRVM_DECLARE_clientglobaledict
 314 #undef PRVM_DECLARE_clientglobalfunction
 315 #undef PRVM_DECLARE_menuglobalfloat
 316 #undef PRVM_DECLARE_menuglobalvector
 317 #undef PRVM_DECLARE_menuglobalstring
 318 #undef PRVM_DECLARE_menuglobaledict
 319 #undef PRVM_DECLARE_menuglobalfunction
 320 #undef PRVM_DECLARE_serverfieldfloat
 321 #undef PRVM_DECLARE_serverfieldvector
 322 #undef PRVM_DECLARE_serverfieldstring
 323 #undef PRVM_DECLARE_serverfieldedict
 324 #undef PRVM_DECLARE_serverfieldfunction
 325 #undef PRVM_DECLARE_clientfieldfloat
 326 #undef PRVM_DECLARE_clientfieldvector
 327 #undef PRVM_DECLARE_clientfieldstring
 328 #undef PRVM_DECLARE_clientfieldedict
 329 #undef PRVM_DECLARE_clientfieldfunction
 330 #undef PRVM_DECLARE_menufieldfloat
 331 #undef PRVM_DECLARE_menufieldvector
 332 #undef PRVM_DECLARE_menufieldstring
 333 #undef PRVM_DECLARE_menufieldedict
 334 #undef PRVM_DECLARE_menufieldfunction
 335 #undef PRVM_DECLARE_serverfunction
 336 #undef PRVM_DECLARE_clientfunction
 337 #undef PRVM_DECLARE_menufunction
 338 #undef PRVM_DECLARE_field
 339 #undef PRVM_DECLARE_global
 340 #undef PRVM_DECLARE_function
 341 };
 342
 343 #define SV_REQGLOBALS (sizeof(sv_reqglobals) / sizeof(prvm_required_field_t))
 344
 345 prvm_required_field_t sv_reqglobals[] =
 346 {
 347 #define PRVM_DECLARE_serverglobalfloat(x) {ev_float, #x},
 348 #define PRVM_DECLARE_serverglobalvector(x) {ev_vector, #x},
 349 #define PRVM_DECLARE_serverglobalstring(x) {ev_string, #x},
 350 #define PRVM_DECLARE_serverglobaledict(x) {ev_entity, #x},
 351 #define PRVM_DECLARE_serverglobalfunction(x) {ev_function, #x},
 352 #define PRVM_DECLARE_clientglobalfloat(x)
 353 #define PRVM_DECLARE_clientglobalvector(x)
 354 #define PRVM_DECLARE_clientglobalstring(x)
 355 #define PRVM_DECLARE_clientglobaledict(x)
 356 #define PRVM_DECLARE_clientglobalfunction(x)
 357 #define PRVM_DECLARE_menuglobalfloat(x)
 358 #define PRVM_DECLARE_menuglobalvector(x)
 359 #define PRVM_DECLARE_menuglobalstring(x)
 360 #define PRVM_DECLARE_menuglobaledict(x)
 361 #define PRVM_DECLARE_menuglobalfunction(x)
 362 #define PRVM_DECLARE_serverfieldfloat(x)
 363 #define PRVM_DECLARE_serverfieldvector(x)
 364 #define PRVM_DECLARE_serverfieldstring(x)
 365 #define PRVM_DECLARE_serverfieldedict(x)
 366 #define PRVM_DECLARE_serverfieldfunction(x)
 367 #define PRVM_DECLARE_clientfieldfloat(x)
 368 #define PRVM_DECLARE_clientfieldvector(x)
 369 #define PRVM_DECLARE_clientfieldstring(x)
 370 #define PRVM_DECLARE_clientfieldedict(x)
 371 #define PRVM_DECLARE_clientfieldfunction(x)
 372 #define PRVM_DECLARE_menufieldfloat(x)
 373 #define PRVM_DECLARE_menufieldvector(x)
 374 #define PRVM_DECLARE_menufieldstring(x)
 375 #define PRVM_DECLARE_menufieldedict(x)
 376 #define PRVM_DECLARE_menufieldfunction(x)
 377 #define PRVM_DECLARE_serverfunction(x)
 378 #define PRVM_DECLARE_clientfunction(x)
 379 #define PRVM_DECLARE_menufunction(x)
 380 #define PRVM_DECLARE_field(x)
 381 #define PRVM_DECLARE_global(x)
 382 #define PRVM_DECLARE_function(x)
 383 #include "prvm_offsets.h"
 384 #undef PRVM_DECLARE_serverglobalfloat
 385 #undef PRVM_DECLARE_serverglobalvector
 386 #undef PRVM_DECLARE_serverglobalstring
 387 #undef PRVM_DECLARE_serverglobaledict
 388 #undef PRVM_DECLARE_serverglobalfunction
 389 #undef PRVM_DECLARE_clientglobalfloat
 390 #undef PRVM_DECLARE_clientglobalvector
 391 #undef PRVM_DECLARE_clientglobalstring
 392 #undef PRVM_DECLARE_clientglobaledict
 393 #undef PRVM_DECLARE_clientglobalfunction
 394 #undef PRVM_DECLARE_menuglobalfloat
 395 #undef PRVM_DECLARE_menuglobalvector
 396 #undef PRVM_DECLARE_menuglobalstring
 397 #undef PRVM_DECLARE_menuglobaledict
 398 #undef PRVM_DECLARE_menuglobalfunction
 399 #undef PRVM_DECLARE_serverfieldfloat
 400 #undef PRVM_DECLARE_serverfieldvector
 401 #undef PRVM_DECLARE_serverfieldstring
 402 #undef PRVM_DECLARE_serverfieldedict
 403 #undef PRVM_DECLARE_serverfieldfunction
 404 #undef PRVM_DECLARE_clientfieldfloat
 405 #undef PRVM_DECLARE_clientfieldvector
 406 #undef PRVM_DECLARE_clientfieldstring
 407 #undef PRVM_DECLARE_clientfieldedict
 408 #undef PRVM_DECLARE_clientfieldfunction
 409 #undef PRVM_DECLARE_menufieldfloat
 410 #undef PRVM_DECLARE_menufieldvector
 411 #undef PRVM_DECLARE_menufieldstring
 412 #undef PRVM_DECLARE_menufieldedict
 413 #undef PRVM_DECLARE_menufieldfunction
 414 #undef PRVM_DECLARE_serverfunction
 415 #undef PRVM_DECLARE_clientfunction
 416 #undef PRVM_DECLARE_menufunction
 417 #undef PRVM_DECLARE_field
 418 #undef PRVM_DECLARE_global
 419 #undef PRVM_DECLARE_function
 420 };
 421
 422 static void Host_Timescale_c(cvar_t *var)
 423 {
 424         if(var->value < 0.00001 && var->value != 0)
 425                 Cvar_SetValueQuick(var, 0);
 426 }
 427
 428 //============================================================================
 429
 430 static void SV_AreaStats_f(cmd_state_t *cmd)
 431 {
 432         World_PrintAreaStats(&sv.world, "server");
 433 }
 434
 435 /*
 436 ===============
 437 SV_Init
 438 ===============
 439 */
 440 void SV_Init (void)
 441 {
 442         // init the csqc progs cvars, since they are updated/used by the server code
 443         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
 444         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
 445         extern cvar_t csqc_progcrc;
 446         extern cvar_t csqc_progsize;
 447         extern cvar_t csqc_usedemoprogs;
 448
 449         Cvar_RegisterVariable(&sv_worldmessage);
 450         Cvar_RegisterVariable(&sv_worldname);
 451         Cvar_RegisterVariable(&sv_worldnamenoextension);
 452         Cvar_RegisterVariable(&sv_worldbasename);
 453
 454         Cvar_RegisterVariable (&csqc_progname);
 455         Cvar_RegisterVariable (&csqc_progcrc);
 456         Cvar_RegisterVariable (&csqc_progsize);
 457         Cvar_RegisterVariable (&csqc_usedemoprogs);
 458
 459         Cmd_AddCommand(CF_SHARED, "sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
 460         Cmd_AddCommand(CF_SHARED, "sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
 461         Cmd_AddCommand(CF_CLIENT | CF_SERVER_FROM_CLIENT, "sv_startdownload", SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
 462         Cmd_AddCommand(CF_CLIENT | CF_SERVER_FROM_CLIENT, "download", SV_Download_f, "downloads a specified file from the server");
 463
 464         Cvar_RegisterVariable (&sv_disablenotify);
 465         Cvar_RegisterVariable (&coop);
 466         Cvar_RegisterVariable (&deathmatch);
 467         Cvar_RegisterVariable (&fraglimit);
 468         Cvar_RegisterVariable (&gamecfg);
 469         Cvar_RegisterVariable (&noexit);
 470         Cvar_RegisterVariable (&nomonsters);
 471         Cvar_RegisterVariable (&pausable);
 472         Cvar_RegisterVariable (&pr_checkextension);
 473         Cvar_RegisterVariable (&samelevel);
 474         Cvar_RegisterVariable (&skill);
 475         Cvar_RegisterVariable (&host_timescale);
 476         Cvar_RegisterCallback (&host_timescale, Host_Timescale_c);
 477         Cvar_RegisterAlias (&host_timescale, "slowmo");
 478         Cvar_RegisterAlias (&host_timescale, "timescale");
 479         Cvar_RegisterVariable (&sv_accelerate);
 480         Cvar_RegisterVariable (&sv_aim);
 481         Cvar_RegisterVariable (&sv_airaccel_qw);
 482         Cvar_RegisterVariable (&sv_airaccel_qw_stretchfactor);
 483         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
 484         Cvar_RegisterVariable (&sv_airaccelerate);
 485         Cvar_RegisterVariable (&sv_airstopaccelerate);
 486         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
 487         Cvar_RegisterVariable (&sv_maxairstrafespeed);
 488         Cvar_RegisterVariable (&sv_airstrafeaccel_qw);
 489         Cvar_RegisterVariable (&sv_airspeedlimit_nonqw);
 490         Cvar_RegisterVariable (&sv_aircontrol);
 491         Cvar_RegisterVariable (&sv_aircontrol_power);
 492         Cvar_RegisterVariable (&sv_aircontrol_penalty);
 493         Cvar_RegisterVariable (&sv_allowdownloads);
 494         Cvar_RegisterVariable (&sv_allowdownloads_archive);
 495         Cvar_RegisterVariable (&sv_allowdownloads_config);
 496         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
 497         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
 498         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
 499         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
 500         Cvar_RegisterVariable (&sv_clmovement_enable);
 501         Cvar_RegisterVariable (&sv_clmovement_minping);
 502         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
 503         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
 504         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
 505         Cvar_RegisterVariable (&sv_cullentities_pvs);
 506         Cvar_RegisterVariable (&sv_cullentities_stats);
 507         Cvar_RegisterVariable (&sv_cullentities_trace);
 508         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
 509         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
 510         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
 511         Cvar_RegisterVariable (&sv_cullentities_trace_expand);
 512         Cvar_RegisterVariable (&sv_cullentities_trace_eyejitter);
 513         Cvar_RegisterVariable (&sv_cullentities_trace_entityocclusion);
 514         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
 515         Cvar_RegisterVariable (&sv_cullentities_trace_prediction_time);
 516         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
 517         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
 518         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
 519         Cvar_RegisterVariable (&sv_debugmove);
 520         Cvar_RegisterVariable (&sv_echobprint);
 521         Cvar_RegisterVariable (&sv_edgefriction);
 522         Cvar_RegisterVariable (&sv_entpatch);
 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_gameplayfix_customstats);
 554         Cvar_RegisterVariable (&sv_gravity);
 555         Cvar_RegisterVariable (&sv_init_frame_count);
 556         Cvar_RegisterVariable (&sv_idealpitchscale);
 557         Cvar_RegisterVariable (&sv_jumpstep);
 558         Cvar_RegisterVariable (&sv_jumpvelocity);
 559         Cvar_RegisterVariable (&sv_maxairspeed);
 560         Cvar_RegisterVariable (&sv_maxrate);
 561         Cvar_RegisterVariable (&sv_maxspeed);
 562         Cvar_RegisterVariable (&sv_maxvelocity);
 563         Cvar_RegisterVariable (&sv_nostep);
 564         Cvar_RegisterVariable (&sv_playerphysicsqc);
 565         Cvar_RegisterVariable (&sv_progs);
 566         Cvar_RegisterVariable (&sv_protocolname);
 567         Cvar_RegisterVariable (&sv_random_seed);
 568         Cvar_RegisterVariable (&host_limitlocal);
 569         Cvar_RegisterAlias(&host_limitlocal, "sv_ratelimitlocalplayer");
 570         Cvar_RegisterVariable (&sv_sound_land);
 571         Cvar_RegisterVariable (&sv_sound_watersplash);
 572         Cvar_RegisterVariable (&sv_stepheight);
 573         Cvar_RegisterVariable (&sv_stopspeed);
 574         Cvar_RegisterVariable (&sv_wallfriction);
 575         Cvar_RegisterVariable (&sv_wateraccelerate);
 576         Cvar_RegisterVariable (&sv_waterfriction);
 577         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
 578         Cvar_RegisterVariable (&sv_warsowbunny_accel);
 579         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
 580         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
 581         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
 582         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
 583         Cvar_RegisterVariable (&sv_areadebug);
 584         Cvar_RegisterVariable (&sys_ticrate);
 585         Cvar_RegisterVariable (&teamplay);
 586         Cvar_RegisterVariable (&timelimit);
 587         Cvar_RegisterVariable (&sv_threaded);
 588
 589         Cvar_RegisterVariable (&sv_rollangle);
 590         Cvar_RegisterVariable (&sv_rollspeed);
 591
 592         Cvar_RegisterVariable (&saved1);
 593         Cvar_RegisterVariable (&saved2);
 594         Cvar_RegisterVariable (&saved3);
 595         Cvar_RegisterVariable (&saved4);
 596         Cvar_RegisterVariable (&savedgamecfg);
 597         Cvar_RegisterVariable (&scratch1);
 598         Cvar_RegisterVariable (&scratch2);
 599         Cvar_RegisterVariable (&scratch3);
 600         Cvar_RegisterVariable (&scratch4);
 601         Cvar_RegisterVariable (&temp1);
 602
 603         // LadyHavoc: Nehahra uses these to pass data around cutscene demos
 604         Cvar_RegisterVariable (&nehx00);
 605         Cvar_RegisterVariable (&nehx01);
 606         Cvar_RegisterVariable (&nehx02);
 607         Cvar_RegisterVariable (&nehx03);
 608         Cvar_RegisterVariable (&nehx04);
 609         Cvar_RegisterVariable (&nehx05);
 610         Cvar_RegisterVariable (&nehx06);
 611         Cvar_RegisterVariable (&nehx07);
 612         Cvar_RegisterVariable (&nehx08);
 613         Cvar_RegisterVariable (&nehx09);
 614         Cvar_RegisterVariable (&nehx10);
 615         Cvar_RegisterVariable (&nehx11);
 616         Cvar_RegisterVariable (&nehx12);
 617         Cvar_RegisterVariable (&nehx13);
 618         Cvar_RegisterVariable (&nehx14);
 619         Cvar_RegisterVariable (&nehx15);
 620         Cvar_RegisterVariable (&nehx16);
 621         Cvar_RegisterVariable (&nehx17);
 622         Cvar_RegisterVariable (&nehx18);
 623         Cvar_RegisterVariable (&nehx19);
 624         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
 625
 626         Cvar_RegisterVariable (&sv_autodemo_perclient);
 627         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
 628         Cvar_RegisterVariable (&sv_autodemo_perclient_discardable);
 629
 630         Cvar_RegisterVariable (&halflifebsp);
 631         Cvar_RegisterVariable (&sv_mapformat_is_quake2);
 632         Cvar_RegisterVariable (&sv_mapformat_is_quake3);
 633
 634         SV_InitOperatorCommands();
 635
 636         sv_mempool = Mem_AllocPool("server", 0, NULL);
 637 }
 638
 639 static void SV_SaveEntFile_f(cmd_state_t *cmd)
 640 {
 641         char vabuf[1024];
 642         if (!sv.active || !sv.worldmodel)
 643         {
 644                 Con_Print("Not running a server\n");
 645                 return;
 646         }
 647         FS_WriteFile(va(vabuf, sizeof(vabuf), "%s.ent", sv.worldnamenoextension), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
 648 }
 649
 650
 651 /*
 652 =============================================================================
 653
 654 EVENT MESSAGES
 655
 656 =============================================================================
 657 */
 658
 659 /*
 660 ==================
 661 SV_StartParticle
 662
 663 Make sure the event gets sent to all clients
 664 ==================
 665 */
 666 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 667 {
 668         int i;
 669
 670         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 671                 return;
 672         MSG_WriteByte (&sv.datagram, svc_particle);
 673         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 674         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 675         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 676         for (i=0 ; i<3 ; i++)
 677                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
 678         MSG_WriteByte (&sv.datagram, count);
 679         MSG_WriteByte (&sv.datagram, color);
 680         SV_FlushBroadcastMessages();
 681 }
 682
 683 /*
 684 ==================
 685 SV_StartEffect
 686
 687 Make sure the event gets sent to all clients
 688 ==================
 689 */
 690 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 691 {
 692         if (modelindex >= 256 || startframe >= 256)
 693         {
 694                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 695                         return;
 696                 MSG_WriteByte (&sv.datagram, svc_effect2);
 697                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 698                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 699                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 700                 MSG_WriteShort (&sv.datagram, modelindex);
 701                 MSG_WriteShort (&sv.datagram, startframe);
 702                 MSG_WriteByte (&sv.datagram, framecount);
 703                 MSG_WriteByte (&sv.datagram, framerate);
 704         }
 705         else
 706         {
 707                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 708                         return;
 709                 MSG_WriteByte (&sv.datagram, svc_effect);
 710                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 711                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 712                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 713                 MSG_WriteByte (&sv.datagram, modelindex);
 714                 MSG_WriteByte (&sv.datagram, startframe);
 715                 MSG_WriteByte (&sv.datagram, framecount);
 716                 MSG_WriteByte (&sv.datagram, framerate);
 717         }
 718         SV_FlushBroadcastMessages();
 719 }
 720
 721 /*
 722 ==================
 723 SV_StartSound
 724
 725 Each entity can have eight independant sound sources, like voice,
 726 weapon, feet, etc.
 727
 728 Channel 0 is an auto-allocate channel, the others override anything
 729 already running on that entity/channel pair.
 730
 731 An attenuation of 0 will play full volume everywhere in the level.
 732 Larger attenuations will drop off.  (max 4 attenuation)
 733
 734 ==================
 735 */
 736 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int nvolume, float attenuation, qbool reliable, float speed)
 737 {
 738         prvm_prog_t *prog = SVVM_prog;
 739         sizebuf_t *dest;
 740         int sound_num, field_mask, i, ent, speed4000;
 741
 742         dest = (reliable ? &sv.reliable_datagram : &sv.datagram);
 743
 744         if (nvolume < 0 || nvolume > 255)
 745         {
 746                 Con_Printf ("SV_StartSound: volume = %i\n", nvolume);
 747                 return;
 748         }
 749
 750         if (attenuation < 0 || attenuation > 4)
 751         {
 752                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
 753                 return;
 754         }
 755
 756         if (!IS_CHAN(channel))
 757         {
 758                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
 759                 return;
 760         }
 761
 762         channel = CHAN_ENGINE2NET(channel);
 763
 764         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 765                 return;
 766
 767 // find precache number for sound
 768         sound_num = SV_SoundIndex(sample, 1);
 769         if (!sound_num)
 770                 return;
 771
 772         ent = PRVM_NUM_FOR_EDICT(entity);
 773
 774         speed4000 = (int)floor(speed * 4000.0f + 0.5f);
 775         field_mask = 0;
 776         if (nvolume != DEFAULT_SOUND_PACKET_VOLUME)
 777                 field_mask |= SND_VOLUME;
 778         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 779                 field_mask |= SND_ATTENUATION;
 780         if (speed4000 && speed4000 != 4000)
 781                 field_mask |= SND_SPEEDUSHORT4000;
 782         if (ent >= 8192 || channel < 0 || channel > 7)
 783                 field_mask |= SND_LARGEENTITY;
 784         if (sound_num >= 256)
 785                 field_mask |= SND_LARGESOUND;
 786
 787 // directed messages go only to the entity they are targeted on
 788         MSG_WriteByte (dest, svc_sound);
 789         MSG_WriteByte (dest, field_mask);
 790         if (field_mask & SND_VOLUME)
 791                 MSG_WriteByte (dest, nvolume);
 792         if (field_mask & SND_ATTENUATION)
 793                 MSG_WriteByte (dest, (int)(attenuation*64));
 794         if (field_mask & SND_SPEEDUSHORT4000)
 795                 MSG_WriteShort (dest, speed4000);
 796         if (field_mask & SND_LARGEENTITY)
 797         {
 798                 MSG_WriteShort (dest, ent);
 799                 MSG_WriteChar (dest, channel);
 800         }
 801         else
 802                 MSG_WriteShort (dest, (ent<<3) | channel);
 803         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
 804                 MSG_WriteShort (dest, sound_num);
 805         else
 806                 MSG_WriteByte (dest, sound_num);
 807         for (i = 0;i < 3;i++)
 808                 MSG_WriteCoord (dest, PRVM_serveredictvector(entity, origin)[i]+0.5*(PRVM_serveredictvector(entity, mins)[i]+PRVM_serveredictvector(entity, maxs)[i]), sv.protocol);
 809
 810         // TODO do we have to do anything here when dest is &sv.reliable_datagram?
 811         if(!reliable)
 812                 SV_FlushBroadcastMessages();
 813 }
 814
 815 /*
 816 ==================
 817 SV_StartPointSound
 818
 819 Nearly the same logic as SV_StartSound, except an origin
 820 instead of an entity is provided and channel is omitted.
 821
 822 The entity sent to the client is 0 (world) and the channel
 823 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
 824 function, therefore the check for it is omitted.
 825
 826 ==================
 827 */
 828 void SV_StartPointSound (vec3_t origin, const char *sample, int nvolume, float attenuation, float speed)
 829 {
 830         int sound_num, field_mask, i, speed4000;
 831
 832         if (nvolume < 0 || nvolume > 255)
 833         {
 834                 Con_Printf ("SV_StartPointSound: volume = %i\n", nvolume);
 835                 return;
 836         }
 837
 838         if (attenuation < 0 || attenuation > 4)
 839         {
 840                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
 841                 return;
 842         }
 843
 844         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 845                 return;
 846
 847         // find precache number for sound
 848         sound_num = SV_SoundIndex(sample, 1);
 849         if (!sound_num)
 850                 return;
 851
 852         speed4000 = (int)(speed * 40.0f);
 853         field_mask = 0;
 854         if (nvolume != DEFAULT_SOUND_PACKET_VOLUME)
 855                 field_mask |= SND_VOLUME;
 856         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 857                 field_mask |= SND_ATTENUATION;
 858         if (sound_num >= 256)
 859                 field_mask |= SND_LARGESOUND;
 860         if (speed4000 && speed4000 != 4000)
 861                 field_mask |= SND_SPEEDUSHORT4000;
 862
 863 // directed messages go only to the entity they are targeted on
 864         MSG_WriteByte (&sv.datagram, svc_sound);
 865         MSG_WriteByte (&sv.datagram, field_mask);
 866         if (field_mask & SND_VOLUME)
 867                 MSG_WriteByte (&sv.datagram, nvolume);
 868         if (field_mask & SND_ATTENUATION)
 869                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 870         if (field_mask & SND_SPEEDUSHORT4000)
 871                 MSG_WriteShort (&sv.datagram, speed4000);
 872         // Always write entnum 0 for the world entity
 873         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
 874         if (field_mask & SND_LARGESOUND)
 875                 MSG_WriteShort (&sv.datagram, sound_num);
 876         else
 877                 MSG_WriteByte (&sv.datagram, sound_num);
 878         for (i = 0;i < 3;i++)
 879                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
 880         SV_FlushBroadcastMessages();
 881 }
 882
 883 /*
 884 ==============================================================================
 885
 886 CLIENT SPAWNING
 887
 888 ==============================================================================
 889 */
 890
 891 /*
 892 ================
 893 SV_SendServerinfo
 894
 895 Sends the first message from the server to a connected client.
 896 This will be sent on the initial connection and upon each server load.
 897 ================
 898 */
 899 void SV_SendServerinfo (client_t *client)
 900 {
 901         prvm_prog_t *prog = SVVM_prog;
 902         int i;
 903         char message[128];
 904         char vabuf[1024];
 905
 906         // we know that this client has a netconnection and thus is not a bot
 907
 908         // edicts get reallocated on level changes, so we need to update it here
 909         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
 910
 911         // clear cached stuff that depends on the level
 912         client->weaponmodel[0] = 0;
 913         client->weaponmodelindex = 0;
 914
 915         // LadyHavoc: clear entityframe tracking
 916         client->latestframenum = 0;
 917
 918         // initialize the movetime, so a speedhack can't make use of the time before this client joined
 919         client->cmd.time = sv.time;
 920
 921         if (client->entitydatabase)
 922                 EntityFrame_FreeDatabase(client->entitydatabase);
 923         if (client->entitydatabase4)
 924                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 925         if (client->entitydatabase5)
 926                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 927
 928         memset(client->stats, 0, sizeof(client->stats));
 929         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
 930
 931         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)
 932         {
 933                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 934                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
 935                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
 936                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
 937                 else
 938                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
 939         }
 940
 941         // reset csqc entity versions
 942         for (i = 0;i < prog->max_edicts;i++)
 943         {
 944                 client->csqcentityscope[i] = 0;
 945                 client->csqcentitysendflags[i] = 0xFFFFFF;
 946         }
 947         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
 948         {
 949                 client->csqcentityframehistory[i].num = 0;
 950                 client->csqcentityframehistory[i].framenum = -1;
 951         }
 952         client->csqcnumedicts = 0;
 953         client->csqcentityframehistory_next = 0;
 954
 955         SZ_Clear (&client->netconnection->message);
 956         MSG_WriteByte (&client->netconnection->message, svc_print);
 957         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)\n", gamename, buildstring, prog->filecrc);
 958         MSG_WriteString (&client->netconnection->message,message);
 959
 960         SV_StopDemoRecording(client); // to split up demos into different files
 961         if(sv_autodemo_perclient.integer)
 962         {
 963                 char demofile[MAX_OSPATH];
 964                 char ipaddress[MAX_QPATH];
 965                 size_t j;
 966
 967                 // start a new demo file
 968                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
 969                 for(j = 0; ipaddress[j]; ++j)
 970                         if(!isalnum(ipaddress[j]))
 971                                 ipaddress[j] = '-';
 972                 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);
 973
 974                 SV_StartDemoRecording(client, demofile, -1);
 975         }
 976
 977         //[515]: init csprogs according to version of svprogs, check the crc, etc.
 978         if (sv.csqc_progname[0])
 979         {
 980                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
 981                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 982                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progname %s\n", sv.csqc_progname));
 983                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 984                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progsize %i\n", sv.csqc_progsize));
 985                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 986                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progcrc %i\n", sv.csqc_progcrc));
 987
 988                 if(client->sv_demo_file != NULL)
 989                 {
 990                         int k;
 991                         static char buf[NET_MAXMESSAGE];
 992                         sizebuf_t sb;
 993
 994                         sb.data = (unsigned char *) buf;
 995                         sb.maxsize = sizeof(buf);
 996                         k = 0;
 997                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, k++, &sb, sv.protocol))
 998                                 SV_WriteDemoMessage(client, &sb, false);
 999                 }
1000
1001                 //[515]: init stufftext string (it is sent before svc_serverinfo)
1002                 if (PRVM_GetString(prog, PRVM_serverglobalstring(SV_InitCmd)))
1003                 {
1004                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
1005                         MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "%s\n", PRVM_GetString(prog, PRVM_serverglobalstring(SV_InitCmd))));
1006                 }
1007         }
1008
1009         //if (sv_allowdownloads.integer)
1010         // always send the info that the server supports the protocol, even if downloads are forbidden
1011         // only because of that, the CSQC exception can work
1012         {
1013                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
1014                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
1015         }
1016
1017         // send at this time so it's guaranteed to get executed at the right time
1018         {
1019                 client_t *save;
1020                 save = host_client;
1021                 host_client = client;
1022                 Curl_SendRequirements();
1023                 host_client = save;
1024         }
1025
1026         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
1027         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
1028         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
1029
1030         if (!coop.integer && deathmatch.integer)
1031                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
1032         else
1033                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
1034
1035         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog, PRVM_serveredictstring(prog->edicts, message)));
1036
1037         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
1038                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
1039         MSG_WriteByte (&client->netconnection->message, 0);
1040
1041         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
1042                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
1043         MSG_WriteByte (&client->netconnection->message, 0);
1044
1045 // send music
1046         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
1047         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
1048         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
1049
1050 // set view
1051 // store this in clientcamera, too
1052         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
1053         MSG_WriteByte (&client->netconnection->message, svc_setview);
1054         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
1055
1056         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
1057         MSG_WriteByte (&client->netconnection->message, 1);
1058
1059         client->prespawned = false;             // need prespawn, spawn, etc
1060         client->spawned = false;                // need prespawn, spawn, etc
1061         client->begun = false;                  // need prespawn, spawn, etc
1062         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
1063
1064         // clear movement info until client enters the new level properly
1065         memset(&client->cmd, 0, sizeof(client->cmd));
1066         client->movesequence = 0;
1067         client->movement_highestsequence_seen = 0;
1068         memset(&client->movement_count, 0, sizeof(client->movement_count));
1069 #ifdef NUM_PING_TIMES
1070         for (i = 0;i < NUM_PING_TIMES;i++)
1071                 client->ping_times[i] = 0;
1072         client->num_pings = 0;
1073 #endif
1074         client->ping = 0;
1075
1076         // allow the client some time to send his keepalives, even if map loading took ages
1077         client->netconnection->timeout = host.realtime + net_connecttimeout.value;
1078 }
1079
1080 /*
1081 ================
1082 SV_ConnectClient
1083
1084 Initializes a client_t for a new net connection.  This will only be called
1085 once for a player each game, not once for each level change.
1086 ================
1087 */
1088 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
1089 {
1090         prvm_prog_t *prog = SVVM_prog;
1091         client_t                *client;
1092         int                             i;
1093
1094         client = svs.clients + clientnum;
1095
1096 // set up the client_t
1097         if (sv.loadgame)
1098         {
1099                 float backupparms[NUM_SPAWN_PARMS];
1100                 memcpy(backupparms, client->spawn_parms, sizeof(backupparms));
1101                 memset(client, 0, sizeof(*client));
1102                 memcpy(client->spawn_parms, backupparms, sizeof(backupparms));
1103         }
1104         else
1105                 memset(client, 0, sizeof(*client));
1106         client->active = true;
1107         client->netconnection = netconnection;
1108
1109         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
1110
1111         if(client->netconnection && client->netconnection->crypto.authenticated)
1112         {
1113                 Con_Printf("%s connection to %s has been established: client is %s@%s%.*s, I am %.*s@%s%.*s\n",
1114                                 client->netconnection->crypto.use_aes ? "Encrypted" : "Authenticated",
1115                                 client->netconnection->address,
1116                                 client->netconnection->crypto.client_idfp[0] ? client->netconnection->crypto.client_idfp : "-",
1117                                 (client->netconnection->crypto.client_issigned || !client->netconnection->crypto.client_keyfp[0]) ? "" : "~",
1118                                 crypto_keyfp_recommended_length, client->netconnection->crypto.client_keyfp[0] ? client->netconnection->crypto.client_keyfp : "-",
1119                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_idfp[0] ? client->netconnection->crypto.server_idfp : "-",
1120                                 (client->netconnection->crypto.server_issigned || !client->netconnection->crypto.server_keyfp[0]) ? "" : "~",
1121                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_keyfp[0] ? client->netconnection->crypto.server_keyfp : "-"
1122                                 );
1123         }
1124
1125         strlcpy(client->name, "unconnected", sizeof(client->name));
1126         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
1127         client->prespawned = false;
1128         client->spawned = false;
1129         client->begun = false;
1130         client->edict = PRVM_EDICT_NUM(clientnum+1);
1131         if (client->netconnection)
1132                 client->netconnection->message.allowoverflow = true;            // we can catch it
1133         // prepare the unreliable message buffer
1134         client->unreliablemsg.data = client->unreliablemsg_data;
1135         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
1136         // updated by receiving "rate" command from client, this is also the default if not using a DP client
1137         client->rate = 1000000000;
1138         client->connecttime = host.realtime;
1139
1140         if (!sv.loadgame)
1141         {
1142                 // call the progs to get default spawn parms for the new client
1143                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
1144                 PRVM_serverglobalfloat(time) = sv.time;
1145                 PRVM_serverglobaledict(self) = 0;
1146                 prog->ExecuteProgram(prog, PRVM_serverfunction(SetNewParms), "QC function SetNewParms is missing");
1147                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1148                         client->spawn_parms[i] = (&PRVM_serverglobalfloat(parm1))[i];
1149
1150                 // set up the entity for this client (including .colormap, .team, etc)
1151                 PRVM_ED_ClearEdict(prog, client->edict);
1152         }
1153
1154         // don't call SendServerinfo for a fresh botclient because its fields have
1155         // not been set up by the qc yet
1156         if (client->netconnection)
1157                 SV_SendServerinfo (client);
1158         else
1159                 client->prespawned = client->spawned = client->begun = true;
1160 }
1161
1162 /*
1163 =====================
1164 SV_DropClient
1165
1166 Called when the player is getting totally kicked off the host
1167 if (crash = true), don't bother sending signofs
1168 =====================
1169 */
1170 void SV_DropClient(qbool crash)
1171 {
1172         prvm_prog_t *prog = SVVM_prog;
1173         int i;
1174         Con_Printf("Client \"%s\" dropped\n", host_client->name);
1175
1176         SV_StopDemoRecording(host_client);
1177
1178         // make sure edict is not corrupt (from a level change for example)
1179         host_client->edict = PRVM_EDICT_NUM(host_client - svs.clients + 1);
1180
1181         if (host_client->netconnection)
1182         {
1183                 // tell the client to be gone
1184                 if (!crash)
1185                 {
1186                         // LadyHavoc: no opportunity for resending, so use unreliable 3 times
1187                         unsigned char bufdata[8];
1188                         sizebuf_t buf;
1189                         memset(&buf, 0, sizeof(buf));
1190                         buf.data = bufdata;
1191                         buf.maxsize = sizeof(bufdata);
1192                         MSG_WriteByte(&buf, svc_disconnect);
1193                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, 0, false);
1194                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, 0, false);
1195                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, 0, false);
1196                 }
1197         }
1198
1199         // call qc ClientDisconnect function
1200         // LadyHavoc: don't call QC if server is dead (avoids recursive
1201         // Host_Error in some mods when they run out of edicts)
1202         if (host_client->clientconnectcalled && sv.active && host_client->edict)
1203         {
1204                 // call the prog function for removing a client
1205                 // this will set the body to a dead frame, among other things
1206                 int saveSelf = PRVM_serverglobaledict(self);
1207                 host_client->clientconnectcalled = false;
1208                 PRVM_serverglobalfloat(time) = sv.time;
1209                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
1210                 prog->ExecuteProgram(prog, PRVM_serverfunction(ClientDisconnect), "QC function ClientDisconnect is missing");
1211                 PRVM_serverglobaledict(self) = saveSelf;
1212         }
1213
1214         if (host_client->netconnection)
1215         {
1216                 // break the net connection
1217                 NetConn_Close(host_client->netconnection);
1218                 host_client->netconnection = NULL;
1219         }
1220
1221         // if a download is active, close it
1222         if (host_client->download_file)
1223         {
1224                 Con_DPrintf("Download of %s aborted when %s dropped\n", host_client->download_name, host_client->name);
1225                 FS_Close(host_client->download_file);
1226                 host_client->download_file = NULL;
1227                 host_client->download_name[0] = 0;
1228                 host_client->download_expectedposition = 0;
1229                 host_client->download_started = false;
1230         }
1231
1232         // remove leaving player from scoreboard
1233         host_client->name[0] = 0;
1234         host_client->colors = 0;
1235         host_client->frags = 0;
1236         // send notification to all clients
1237         // get number of client manually just to make sure we get it right...
1238         i = host_client - svs.clients;
1239         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
1240         MSG_WriteByte (&sv.reliable_datagram, i);
1241         MSG_WriteString (&sv.reliable_datagram, host_client->name);
1242         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
1243         MSG_WriteByte (&sv.reliable_datagram, i);
1244         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
1245         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
1246         MSG_WriteByte (&sv.reliable_datagram, i);
1247         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
1248
1249         // free the client now
1250         if (host_client->entitydatabase)
1251                 EntityFrame_FreeDatabase(host_client->entitydatabase);
1252         if (host_client->entitydatabase4)
1253                 EntityFrame4_FreeDatabase(host_client->entitydatabase4);
1254         if (host_client->entitydatabase5)
1255                 EntityFrame5_FreeDatabase(host_client->entitydatabase5);
1256
1257         if (sv.active)
1258         {
1259                 // clear a fields that matter to DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS, and also frags
1260                 PRVM_ED_ClearEdict(prog, host_client->edict);
1261         }
1262
1263         // clear the client struct (this sets active to false)
1264         memset(host_client, 0, sizeof(*host_client));
1265
1266         // update server listing on the master because player count changed
1267         // (which the master uses for filtering empty/full servers)
1268         NetConn_Heartbeat(1);
1269
1270         if (sv.loadgame)
1271         {
1272                 for (i = 0;i < svs.maxclients;i++)
1273                         if (svs.clients[i].active && !svs.clients[i].spawned)
1274                                 break;
1275                 if (i == svs.maxclients)
1276                 {
1277                         Con_Printf("Loaded game, everyone rejoined - unpausing\n");
1278                         sv.paused = sv.loadgame = false; // we're basically done with loading now
1279                 }
1280         }
1281 }
1282
1283 /*
1284 ===============================================================================
1285
1286 FRAME UPDATES
1287
1288 ===============================================================================
1289 */
1290
1291 /*
1292 =============================================================================
1293
1294 The PVS must include a small area around the client to allow head bobbing
1295 or other small motion on the client side.  Otherwise, a bob might cause an
1296 entity that should be visible to not show up, especially when the bob
1297 crosses a waterline.
1298
1299 =============================================================================
1300 */
1301
1302 static qbool SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1303 {
1304         prvm_prog_t *prog = SVVM_prog;
1305         int i;
1306         unsigned int sendflags;
1307         unsigned int version;
1308         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1309         unsigned int customizeentityforclient;
1310         unsigned int sendentity;
1311         float f;
1312         prvm_vec_t *v;
1313         vec3_t cullmins, cullmaxs;
1314         dp_model_t *model;
1315
1316         // fast path for games that do not use legacy entity networking
1317         // note: still networks clients even if they are legacy
1318         sendentity = PRVM_serveredictfunction(ent, SendEntity);
1319         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1320                 return false;
1321
1322         // this 2 billion unit check is actually to detect NAN origins
1323         // (we really don't want to send those)
1324         if (!(VectorLength2(PRVM_serveredictvector(ent, origin)) < 2000000000.0*2000000000.0))
1325                 return false;
1326
1327         // EF_NODRAW prevents sending for any reason except for your own
1328         // client, so we must keep all clients in this superset
1329         effects = (unsigned)PRVM_serveredictfloat(ent, effects);
1330
1331         // we can omit invisible entities with no effects that are not clients
1332         // LadyHavoc: this could kill tags attached to an invisible entity, I
1333         // just hope we never have to support that case
1334         i = (int)PRVM_serveredictfloat(ent, modelindex);
1335         modelindex = (i >= 1 && i < MAX_MODELS && PRVM_serveredictstring(ent, model) && *PRVM_GetString(prog, PRVM_serveredictstring(ent, model)) && sv.models[i]) ? i : 0;
1336
1337         flags = 0;
1338         i = (int)(PRVM_serveredictfloat(ent, glow_size) * 0.25f);
1339         glowsize = (unsigned char)bound(0, i, 255);
1340         if (PRVM_serveredictfloat(ent, glow_trail))
1341                 flags |= RENDER_GLOWTRAIL;
1342         if (PRVM_serveredictedict(ent, viewmodelforclient))
1343                 flags |= RENDER_VIEWMODEL;
1344
1345         v = PRVM_serveredictvector(ent, color);
1346         f = v[0]*256;
1347         light[0] = (unsigned short)bound(0, f, 65535);
1348         f = v[1]*256;
1349         light[1] = (unsigned short)bound(0, f, 65535);
1350         f = v[2]*256;
1351         light[2] = (unsigned short)bound(0, f, 65535);
1352         f = PRVM_serveredictfloat(ent, light_lev);
1353         light[3] = (unsigned short)bound(0, f, 65535);
1354         lightstyle = (unsigned char)PRVM_serveredictfloat(ent, style);
1355         lightpflags = (unsigned char)PRVM_serveredictfloat(ent, pflags);
1356
1357         if (gamemode == GAME_TENEBRAE)
1358         {
1359                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1360                 if (effects & 16)
1361                 {
1362                         effects &= ~16;
1363                         lightpflags |= PFLAGS_FULLDYNAMIC;
1364                 }
1365                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1366                 if (effects & 32)
1367                 {
1368                         effects &= ~32;
1369                         light[0] = (int)(0.2*256);
1370                         light[1] = (int)(1.0*256);
1371                         light[2] = (int)(0.2*256);
1372                         light[3] = 200;
1373                         lightpflags |= PFLAGS_FULLDYNAMIC;
1374                 }
1375         }
1376
1377         specialvisibilityradius = 0;
1378         if (lightpflags & PFLAGS_FULLDYNAMIC)
1379                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1380         if (glowsize)
1381                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1382         if (flags & RENDER_GLOWTRAIL)
1383                 specialvisibilityradius = max(specialvisibilityradius, 100);
1384         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1385         {
1386                 if (effects & EF_BRIGHTFIELD)
1387                         specialvisibilityradius = max(specialvisibilityradius, 80);
1388                 if (effects & EF_MUZZLEFLASH)
1389                         specialvisibilityradius = max(specialvisibilityradius, 100);
1390                 if (effects & EF_BRIGHTLIGHT)
1391                         specialvisibilityradius = max(specialvisibilityradius, 400);
1392                 if (effects & EF_DIMLIGHT)
1393                         specialvisibilityradius = max(specialvisibilityradius, 200);
1394                 if (effects & EF_RED)
1395                         specialvisibilityradius = max(specialvisibilityradius, 200);
1396                 if (effects & EF_BLUE)
1397                         specialvisibilityradius = max(specialvisibilityradius, 200);
1398                 if (effects & EF_FLAME)
1399                         specialvisibilityradius = max(specialvisibilityradius, 250);
1400                 if (effects & EF_STARDUST)
1401                         specialvisibilityradius = max(specialvisibilityradius, 100);
1402         }
1403
1404         // early culling checks
1405         // (final culling is done by SV_MarkWriteEntityStateToClient)
1406         customizeentityforclient = PRVM_serveredictfunction(ent, customizeentityforclient);
1407         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1408                 return false;
1409
1410         *cs = defaultstate;
1411         cs->active = ACTIVE_NETWORK;
1412         cs->number = enumber;
1413         VectorCopy(PRVM_serveredictvector(ent, origin), cs->origin);
1414         VectorCopy(PRVM_serveredictvector(ent, angles), cs->angles);
1415         cs->flags = flags;
1416         cs->effects = effects;
1417         cs->colormap = (unsigned)PRVM_serveredictfloat(ent, colormap);
1418         cs->modelindex = modelindex;
1419         cs->skin = (unsigned)PRVM_serveredictfloat(ent, skin);
1420         cs->frame = (unsigned)PRVM_serveredictfloat(ent, frame);
1421         cs->viewmodelforclient = PRVM_serveredictedict(ent, viewmodelforclient);
1422         cs->exteriormodelforclient = PRVM_serveredictedict(ent, exteriormodeltoclient);
1423         cs->nodrawtoclient = PRVM_serveredictedict(ent, nodrawtoclient);
1424         cs->drawonlytoclient = PRVM_serveredictedict(ent, drawonlytoclient);
1425         cs->customizeentityforclient = customizeentityforclient;
1426         cs->tagentity = PRVM_serveredictedict(ent, tag_entity);
1427         cs->tagindex = (unsigned char)PRVM_serveredictfloat(ent, tag_index);
1428         cs->glowsize = glowsize;
1429         cs->traileffectnum = PRVM_serveredictfloat(ent, traileffectnum);
1430
1431         // don't need to init cs->colormod because the defaultstate did that for us
1432         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1433         v = PRVM_serveredictvector(ent, colormod);
1434         if (VectorLength2(v))
1435         {
1436                 i = (int)(v[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1437                 i = (int)(v[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1438                 i = (int)(v[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1439         }
1440
1441         // don't need to init cs->glowmod because the defaultstate did that for us
1442         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1443         v = PRVM_serveredictvector(ent, glowmod);
1444         if (VectorLength2(v))
1445         {
1446                 i = (int)(v[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1447                 i = (int)(v[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1448                 i = (int)(v[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1449         }
1450
1451         cs->modelindex = modelindex;
1452
1453         cs->alpha = 255;
1454         f = (PRVM_serveredictfloat(ent, alpha) * 255.0f);
1455         if (f)
1456         {
1457                 i = (int)f;
1458                 cs->alpha = (unsigned char)bound(0, i, 255);
1459         }
1460         // halflife
1461         f = (PRVM_serveredictfloat(ent, renderamt));
1462         if (f)
1463         {
1464                 i = (int)f;
1465                 cs->alpha = (unsigned char)bound(0, i, 255);
1466         }
1467
1468         cs->scale = 16;
1469         f = (PRVM_serveredictfloat(ent, scale) * 16.0f);
1470         if (f)
1471         {
1472                 i = (int)f;
1473                 cs->scale = (unsigned char)bound(0, i, 255);
1474         }
1475
1476         cs->glowcolor = 254;
1477         f = PRVM_serveredictfloat(ent, glow_color);
1478         if (f)
1479                 cs->glowcolor = (int)f;
1480
1481         if (PRVM_serveredictfloat(ent, fullbright))
1482                 cs->effects |= EF_FULLBRIGHT;
1483
1484         f = PRVM_serveredictfloat(ent, modelflags);
1485         if (f)
1486                 cs->effects |= ((unsigned int)f & 0xff) << 24;
1487
1488         if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
1489                 cs->flags |= RENDER_STEP;
1490         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)
1491                 cs->flags |= RENDER_LOWPRECISION;
1492         if (PRVM_serveredictfloat(ent, colormap) >= 1024)
1493                 cs->flags |= RENDER_COLORMAPPED;
1494         if (cs->viewmodelforclient)
1495                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1496
1497         if (PRVM_serveredictfloat(ent, sendcomplexanimation))
1498         {
1499                 cs->flags |= RENDER_COMPLEXANIMATION;
1500                 if (PRVM_serveredictfloat(ent, skeletonindex) >= 1)
1501                         cs->skeletonobject = ent->priv.server->skeleton;
1502                 cs->framegroupblend[0].frame = PRVM_serveredictfloat(ent, frame);
1503                 cs->framegroupblend[1].frame = PRVM_serveredictfloat(ent, frame2);
1504                 cs->framegroupblend[2].frame = PRVM_serveredictfloat(ent, frame3);
1505                 cs->framegroupblend[3].frame = PRVM_serveredictfloat(ent, frame4);
1506                 cs->framegroupblend[0].start = PRVM_serveredictfloat(ent, frame1time);
1507                 cs->framegroupblend[1].start = PRVM_serveredictfloat(ent, frame2time);
1508                 cs->framegroupblend[2].start = PRVM_serveredictfloat(ent, frame3time);
1509                 cs->framegroupblend[3].start = PRVM_serveredictfloat(ent, frame4time);
1510                 cs->framegroupblend[1].lerp = PRVM_serveredictfloat(ent, lerpfrac);
1511                 cs->framegroupblend[2].lerp = PRVM_serveredictfloat(ent, lerpfrac3);
1512                 cs->framegroupblend[3].lerp = PRVM_serveredictfloat(ent, lerpfrac4);
1513                 cs->framegroupblend[0].lerp = 1.0f - cs->framegroupblend[1].lerp - cs->framegroupblend[2].lerp - cs->framegroupblend[3].lerp;
1514                 cs->frame = 0; // don't need the legacy frame
1515         }
1516
1517         cs->light[0] = light[0];
1518         cs->light[1] = light[1];
1519         cs->light[2] = light[2];
1520         cs->light[3] = light[3];
1521         cs->lightstyle = lightstyle;
1522         cs->lightpflags = lightpflags;
1523
1524         cs->specialvisibilityradius = specialvisibilityradius;
1525
1526         // calculate the visible box of this entity (don't use the physics box
1527         // as that is often smaller than a model, and would not count
1528         // specialvisibilityradius)
1529         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1530         {
1531                 float scale = cs->scale * (1.0f / 16.0f);
1532                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1533                 {
1534                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1535                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1536                 }
1537                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1538                 {
1539                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1540                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1541                 }
1542                 else
1543                 {
1544                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1545                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1546                 }
1547         }
1548         else
1549         {
1550                 // if there is no model (or it could not be loaded), use the physics box
1551                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, mins), cullmins);
1552                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, maxs), cullmaxs);
1553         }
1554         if (specialvisibilityradius)
1555         {
1556                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1557                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1558                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1559                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1560                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1561                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1562         }
1563
1564         // calculate center of bbox for network prioritization purposes
1565         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1566
1567         // if culling box has moved, update pvs cluster links
1568         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1569         {
1570                 VectorCopy(cullmins, ent->priv.server->cullmins);
1571                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1572                 // a value of -1 for pvs_numclusters indicates that the links are not
1573                 // cached, and should be re-tested each time, this is the case if the
1574                 // culling box touches too many pvs clusters to store, or if the world
1575                 // model does not support FindBoxClusters
1576                 ent->priv.server->pvs_numclusters = -1;
1577                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1578                 {
1579                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1580                         if (i <= MAX_ENTITYCLUSTERS)
1581                                 ent->priv.server->pvs_numclusters = i;
1582                 }
1583         }
1584
1585         // we need to do some csqc entity upkeep here
1586         // get self.SendFlags and clear them
1587         // (to let the QC know that they've been read)
1588         if (sendentity)
1589         {
1590                 sendflags = (unsigned int)PRVM_serveredictfloat(ent, SendFlags);
1591                 PRVM_serveredictfloat(ent, SendFlags) = 0;
1592                 // legacy self.Version system
1593                 if ((version = (unsigned int)PRVM_serveredictfloat(ent, Version)))
1594                 {
1595                         if (sv.csqcentityversion[enumber] != version)
1596                                 sendflags = 0xFFFFFF;
1597                         sv.csqcentityversion[enumber] = version;
1598                 }
1599                 // move sendflags into the per-client sendflags
1600                 if (sendflags)
1601                         for (i = 0;i < svs.maxclients;i++)
1602                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1603                 // mark it as inactive for non-csqc networking
1604                 cs->active = ACTIVE_SHARED;
1605         }
1606
1607         return true;
1608 }
1609
1610 static void SV_PrepareEntitiesForSending(void)
1611 {
1612         prvm_prog_t *prog = SVVM_prog;
1613         int e;
1614         prvm_edict_t *ent;
1615         // send all entities that touch the pvs
1616         sv.numsendentities = 0;
1617         sv.sendentitiesindex[0] = NULL;
1618         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1619         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1620         {
1621                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1622                 {
1623                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1624                         sv.numsendentities++;
1625                 }
1626         }
1627 }
1628
1629 #define MAX_LINEOFSIGHTTRACES 64
1630
1631 qbool SV_CanSeeBox(int numtraces, vec_t eyejitter, vec_t enlarge, vec_t entboxexpand, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1632 {
1633         prvm_prog_t *prog = SVVM_prog;
1634         float pitchsign;
1635         float alpha;
1636         float starttransformed[3], endtransformed[3];
1637         float boxminstransformed[3], boxmaxstransformed[3];
1638         float localboxcenter[3], localboxextents[3], localboxmins[3], localboxmaxs[3];
1639         int blocked = 0;
1640         int traceindex;
1641         int originalnumtouchedicts;
1642         int numtouchedicts = 0;
1643         int touchindex;
1644         matrix4x4_t matrix, imatrix;
1645         dp_model_t *model;
1646         prvm_edict_t *touch;
1647         static prvm_edict_t *touchedicts[MAX_EDICTS];
1648         vec3_t eyemins, eyemaxs, start;
1649         vec3_t boxmins, boxmaxs;
1650         vec3_t clipboxmins, clipboxmaxs;
1651         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1652
1653         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1654
1655         // jitter the eye location within this box
1656         eyemins[0] = eye[0] - eyejitter;
1657         eyemaxs[0] = eye[0] + eyejitter;
1658         eyemins[1] = eye[1] - eyejitter;
1659         eyemaxs[1] = eye[1] + eyejitter;
1660         eyemins[2] = eye[2] - eyejitter;
1661         eyemaxs[2] = eye[2] + eyejitter;
1662         // expand the box a little
1663         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0] - entboxexpand;
1664         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0] + entboxexpand;
1665         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1] - entboxexpand;
1666         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1] + entboxexpand;
1667         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2] - entboxexpand;
1668         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2] + entboxexpand;
1669
1670         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1671         for (traceindex = 1;traceindex < numtraces;traceindex++)
1672                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1673
1674         // calculate sweep box for the entire swarm of traces
1675         VectorCopy(eyemins, clipboxmins);
1676         VectorCopy(eyemaxs, clipboxmaxs);
1677         for (traceindex = 0;traceindex < numtraces;traceindex++)
1678         {
1679                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1680                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1681                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1682                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1683                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1684                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1685         }
1686
1687         // get the list of entities in the sweep box
1688         if (sv_cullentities_trace_entityocclusion.integer)
1689                 numtouchedicts = SV_EntitiesInBox(clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1690         if (numtouchedicts > MAX_EDICTS)
1691         {
1692                 // this never happens
1693                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1694                 numtouchedicts = MAX_EDICTS;
1695         }
1696         // iterate the entities found in the sweep box and filter them
1697         originalnumtouchedicts = numtouchedicts;
1698         numtouchedicts = 0;
1699         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1700         {
1701                 touch = touchedicts[touchindex];
1702                 if (PRVM_serveredictfloat(touch, solid) != SOLID_BSP)
1703                         continue;
1704                 model = SV_GetModelFromEdict(touch);
1705                 if (!model || !model->brush.TraceLineOfSight)
1706                         continue;
1707                 // skip obviously transparent entities
1708                 alpha = PRVM_serveredictfloat(touch, alpha);
1709                 if (alpha && alpha < 1)
1710                         continue;
1711                 if ((int)PRVM_serveredictfloat(touch, effects) & EF_ADDITIVE)
1712                         continue;
1713                 touchedicts[numtouchedicts++] = touch;
1714         }
1715
1716         // now that we have a filtered list of "interesting" entities, fire each
1717         // ray against all of them, this gives us an early-out case when something
1718         // is visible (which it often is)
1719
1720         for (traceindex = 0;traceindex < numtraces;traceindex++)
1721         {
1722                 VectorSet(start, lhrandom(eyemins[0], eyemaxs[0]), lhrandom(eyemins[1], eyemaxs[1]), lhrandom(eyemins[2], eyemaxs[2]));
1723                 // check world occlusion
1724                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1725                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, start, endpoints[traceindex], boxmins, boxmaxs))
1726                                 continue;
1727                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1728                 {
1729                         touch = touchedicts[touchindex];
1730                         model = SV_GetModelFromEdict(touch);
1731                         if(model && model->brush.TraceLineOfSight)
1732                         {
1733                                 // get the entity matrix
1734                                 pitchsign = SV_GetPitchSign(prog, touch);
1735                                 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);
1736                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1737                                 // see if the ray hits this entity
1738                                 Matrix4x4_Transform(&imatrix, start, starttransformed);
1739                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1740                                 Matrix4x4_Transform(&imatrix, boxmins, boxminstransformed);
1741                                 Matrix4x4_Transform(&imatrix, boxmaxs, boxmaxstransformed);
1742                                 // transform the AABB to local space
1743                                 VectorMAM(0.5f, boxminstransformed, 0.5f, boxmaxstransformed, localboxcenter);
1744                                 localboxextents[0] = fabs(boxmaxstransformed[0] - localboxcenter[0]);
1745                                 localboxextents[1] = fabs(boxmaxstransformed[1] - localboxcenter[1]);
1746                                 localboxextents[2] = fabs(boxmaxstransformed[2] - localboxcenter[2]);
1747                                 localboxmins[0] = localboxcenter[0] - localboxextents[0];
1748                                 localboxmins[1] = localboxcenter[1] - localboxextents[1];
1749                                 localboxmins[2] = localboxcenter[2] - localboxextents[2];
1750                                 localboxmaxs[0] = localboxcenter[0] + localboxextents[0];
1751                                 localboxmaxs[1] = localboxcenter[1] + localboxextents[1];
1752                                 localboxmaxs[2] = localboxcenter[2] + localboxextents[2];
1753                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed, localboxmins, localboxmaxs))
1754                                 {
1755                                         blocked++;
1756                                         break;
1757                                 }
1758                         }
1759                 }
1760                 // check if the ray was blocked
1761                 if (touchindex < numtouchedicts)
1762                         continue;
1763                 // return if the ray was not blocked
1764                 return true;
1765         }
1766
1767         // no rays survived
1768         return false;
1769 }
1770
1771 static void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1772 {
1773         prvm_prog_t *prog = SVVM_prog;
1774         int isbmodel;
1775         dp_model_t *model;
1776         prvm_edict_t *ed;
1777         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1778                 return;
1779         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1780         sv.writeentitiestoclient_stats_totalentities++;
1781
1782         if (s->customizeentityforclient)
1783         {
1784                 PRVM_serverglobalfloat(time) = sv.time;
1785                 PRVM_serverglobaledict(self) = s->number;
1786                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1787                 prog->ExecuteProgram(prog, s->customizeentityforclient, "customizeentityforclient: NULL function");
1788                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1789                         return;
1790         }
1791
1792         // never reject player
1793         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1794         {
1795                 // check various rejection conditions
1796                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1797                         return;
1798                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1799                         return;
1800                 if (s->effects & EF_NODRAW)
1801                         return;
1802                 // LadyHavoc: only send entities with a model or important effects
1803                 if (!s->modelindex && s->specialvisibilityradius == 0)
1804                         return;
1805
1806                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1807                 // viewmodels don't have visibility checking
1808                 if (s->viewmodelforclient)
1809                 {
1810                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1811                                 return;
1812                 }
1813                 else if (s->tagentity)
1814                 {
1815                         // tag attached entities simply check their parent
1816                         if (!sv.sendentitiesindex[s->tagentity])
1817                                 return;
1818                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1819                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1820                                 return;
1821                 }
1822                 // always send world submodels in newer protocols because they don't
1823                 // generate much traffic (in old protocols they hog bandwidth)
1824                 // but only if sv_cullentities_nevercullbmodels is off
1825                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1826                 {
1827                         // entity has survived every check so far, check if visible
1828                         ed = PRVM_EDICT_NUM(s->number);
1829
1830                         // if not touching a visible leaf
1831                         if (sv_cullentities_pvs.integer && !r_novis.integer && !r_trippy.integer && sv.writeentitiestoclient_pvsbytes)
1832                         {
1833                                 if (ed->priv.server->pvs_numclusters < 0)
1834                                 {
1835                                         // entity too big for clusters list
1836                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1837                                         {
1838                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1839                                                 return;
1840                                         }
1841                                 }
1842                                 else
1843                                 {
1844                                         int i;
1845                                         // check cached clusters list
1846                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1847                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1848                                                         break;
1849                                         if (i == ed->priv.server->pvs_numclusters)
1850                                         {
1851                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1852                                                 return;
1853                                         }
1854                                 }
1855                         }
1856
1857                         // or not seen by random tracelines
1858                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight && !r_trippy.integer)
1859                         {
1860                                 int samples =
1861                                         s->number <= svs.maxclients
1862                                                 ? sv_cullentities_trace_samples_players.integer
1863                                                 :
1864                                         s->specialvisibilityradius
1865                                                 ? sv_cullentities_trace_samples_extra.integer
1866                                                 : sv_cullentities_trace_samples.integer;
1867                                 float enlarge = sv_cullentities_trace_enlarge.value;
1868
1869                                 if(samples > 0)
1870                                 {
1871                                         int eyeindex;
1872                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1873                                                 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))
1874                                                         break;
1875                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1876                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1877                                                         host.realtime + (
1878                                                                 s->number <= svs.maxclients
1879                                                                         ? sv_cullentities_trace_delay_players.value
1880                                                                         : sv_cullentities_trace_delay.value
1881                                                         );
1882                                         else if (host.realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1883                                         {
1884                                                 sv.writeentitiestoclient_stats_culled_trace++;
1885                                                 return;
1886                                         }
1887                                 }
1888                         }
1889                 }
1890         }
1891
1892         // this just marks it for sending
1893         // FIXME: it would be more efficient to send here, but the entity
1894         // compressor isn't that flexible
1895         sv.writeentitiestoclient_stats_visibleentities++;
1896         sv.sententities[s->number] = sv.sententitiesmark;
1897 }
1898
1899 #if MAX_LEVELNETWORKEYES > 0
1900 #define MAX_EYE_RECURSION 1 // increase if recursion gets supported by portals
1901 static void SV_AddCameraEyes(void)
1902 {
1903         prvm_prog_t *prog = SVVM_prog;
1904         int e, i, j, k;
1905         prvm_edict_t *ed;
1906         static int cameras[MAX_LEVELNETWORKEYES];
1907         static vec3_t camera_origins[MAX_LEVELNETWORKEYES];
1908         static int eye_levels[MAX_CLIENTNETWORKEYES];
1909         int n_cameras = 0;
1910         vec3_t mi, ma;
1911
1912         for(i = 0; i < sv.writeentitiestoclient_numeyes; ++i)
1913                 eye_levels[i] = 0;
1914
1915         // check line of sight to portal entities and add them to PVS
1916         for (e = 1, ed = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ed = PRVM_NEXT_EDICT(ed))
1917         {
1918                 if (!ed->priv.server->free)
1919                 {
1920                         if(PRVM_serveredictfunction(ed, camera_transform))
1921                         {
1922                                 PRVM_serverglobalfloat(time) = sv.time;
1923                                 PRVM_serverglobaledict(self) = e;
1924                                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1925                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_serverglobalvector(trace_endpos));
1926                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_G_VECTOR(OFS_PARM0));
1927                                 VectorClear(PRVM_G_VECTOR(OFS_PARM1));
1928                                 prog->ExecuteProgram(prog, PRVM_serveredictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1929                                 if(!VectorCompare(PRVM_serverglobalvector(trace_endpos), sv.writeentitiestoclient_eyes[0]))
1930                                 {
1931                                         VectorCopy(PRVM_serverglobalvector(trace_endpos), camera_origins[n_cameras]);
1932                                         cameras[n_cameras] = e;
1933                                         ++n_cameras;
1934                                         if(n_cameras >= MAX_LEVELNETWORKEYES)
1935                                                 break;
1936                                 }
1937                         }
1938                 }
1939         }
1940
1941         if(!n_cameras)
1942                 return;
1943
1944         // i is loop counter, is reset to 0 when an eye got added
1945         // j is camera index to check
1946         for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras)
1947         {
1948                 if(!cameras[j])
1949                         continue;
1950                 ed = PRVM_EDICT_NUM(cameras[j]);
1951                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, mins), mi);
1952                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, maxs), ma);
1953                 for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k)
1954                 if(eye_levels[k] <= MAX_EYE_RECURSION)
1955                 {
1956                         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))
1957                         {
1958                                 eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1;
1959                                 VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1960                                 // 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);
1961                                 sv.writeentitiestoclient_numeyes++;
1962                                 cameras[j] = 0;
1963                                 i = 0;
1964                                 break;
1965                         }
1966                 }
1967         }
1968 }
1969 #else
1970 void SV_AddCameraEyes(void)
1971 {
1972 }
1973 #endif
1974
1975 static void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1976 {
1977         prvm_prog_t *prog = SVVM_prog;
1978         qbool need_empty = false;
1979         int i, numsendstates, numcsqcsendstates;
1980         entity_state_t *s;
1981         prvm_edict_t *camera;
1982         qbool success;
1983         vec3_t eye;
1984
1985         // if there isn't enough space to accomplish anything, skip it
1986         if (msg->cursize + 25 > maxsize)
1987                 return;
1988
1989         sv.writeentitiestoclient_msg = msg;
1990         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1991
1992         sv.writeentitiestoclient_stats_culled_pvs = 0;
1993         sv.writeentitiestoclient_stats_culled_trace = 0;
1994         sv.writeentitiestoclient_stats_visibleentities = 0;
1995         sv.writeentitiestoclient_stats_totalentities = 0;
1996         sv.writeentitiestoclient_numeyes = 0;
1997
1998         // get eye location
1999         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LadyHavoc: for comparison purposes
2000         camera = PRVM_EDICT_NUM( client->clientcamera );
2001         VectorAdd(PRVM_serveredictvector(camera, origin), PRVM_serveredictvector(clent, view_ofs), eye);
2002         sv.writeentitiestoclient_pvsbytes = 0;
2003         // get the PVS values for the eye location, later FatPVS calls will merge
2004         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
2005                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
2006
2007         // add the eye to a list for SV_CanSeeBox tests
2008         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
2009         sv.writeentitiestoclient_numeyes++;
2010
2011         // calculate predicted eye origin for SV_CanSeeBox tests
2012         if (sv_cullentities_trace_prediction.integer)
2013         {
2014                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
2015                 vec3_t predeye;
2016                 VectorMA(eye, predtime, PRVM_serveredictvector(camera, velocity), predeye);
2017                 if (SV_CanSeeBox(1, 0, 0, 0, eye, predeye, predeye))
2018                 {
2019                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
2020                         sv.writeentitiestoclient_numeyes++;
2021                 }
2022                 //if (!sv.writeentitiestoclient_useprediction)
2023                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
2024         }
2025
2026         SV_AddCameraEyes();
2027
2028         // build PVS from the new eyes
2029         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
2030                 for(i = 1; i < sv.writeentitiestoclient_numeyes; ++i)
2031                         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);
2032
2033         sv.sententitiesmark++;
2034
2035         for (i = 0;i < sv.numsendentities;i++)
2036                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
2037
2038         numsendstates = 0;
2039         numcsqcsendstates = 0;
2040         for (i = 0;i < sv.numsendentities;i++)
2041         {
2042                 s = &sv.sendentities[i];
2043                 if (sv.sententities[s->number] == sv.sententitiesmark)
2044                 {
2045                         if(s->active == ACTIVE_NETWORK)
2046                         {
2047                                 if (s->exteriormodelforclient)
2048                                 {
2049                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
2050                                                 s->flags |= RENDER_EXTERIORMODEL;
2051                                         else
2052                                                 s->flags &= ~RENDER_EXTERIORMODEL;
2053                                 }
2054                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
2055                         }
2056                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
2057                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
2058                         else
2059                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
2060                 }
2061         }
2062
2063         if (sv_cullentities_stats.integer)
2064                 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);
2065
2066         if(client->entitydatabase5)
2067                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
2068         else
2069                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
2070
2071         // force every 16th frame to be not empty (or cl_movement replay takes
2072         // too long)
2073         // BTW, this should normally not kick in any more due to the check
2074         // below, except if the client stopped sending movement frames
2075         if(client->num_skippedentityframes >= 16)
2076                 need_empty = true;
2077
2078         // help cl_movement a bit more
2079         if(client->movesequence != client->lastmovesequence)
2080                 need_empty = true;
2081         client->lastmovesequence = client->movesequence;
2082
2083         if (client->entitydatabase5)
2084                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
2085         else if (client->entitydatabase4)
2086         {
2087                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
2088                 Protocol_WriteStatsReliable();
2089         }
2090         else if (client->entitydatabase)
2091         {
2092                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
2093                 Protocol_WriteStatsReliable();
2094         }
2095         else
2096         {
2097                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
2098                 Protocol_WriteStatsReliable();
2099         }
2100
2101         if(success)
2102                 client->num_skippedentityframes = 0;
2103         else
2104                 ++client->num_skippedentityframes;
2105 }
2106
2107 /*
2108 =============
2109 SV_CleanupEnts
2110
2111 =============
2112 */
2113 static void SV_CleanupEnts (void)
2114 {
2115         prvm_prog_t *prog = SVVM_prog;
2116         int             e;
2117         prvm_edict_t    *ent;
2118
2119         ent = PRVM_NEXT_EDICT(prog->edicts);
2120         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
2121                 PRVM_serveredictfloat(ent, effects) = (int)PRVM_serveredictfloat(ent, effects) & ~EF_MUZZLEFLASH;
2122 }
2123
2124 /*
2125 ==================
2126 SV_WriteClientdataToMessage
2127
2128 ==================
2129 */
2130 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
2131 {
2132         prvm_prog_t *prog = SVVM_prog;
2133         int             bits;
2134         int             i;
2135         prvm_edict_t    *other;
2136         int             items;
2137         vec3_t  punchvector;
2138         int             viewzoom;
2139         const char *s;
2140         float   *statsf = (float *)stats;
2141         float gravity;
2142
2143 //
2144 // send a damage message
2145 //
2146         if (PRVM_serveredictfloat(ent, dmg_take) || PRVM_serveredictfloat(ent, dmg_save))
2147         {
2148                 other = PRVM_PROG_TO_EDICT(PRVM_serveredictedict(ent, dmg_inflictor));
2149                 MSG_WriteByte (msg, svc_damage);
2150                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_save));
2151                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_take));
2152                 for (i=0 ; i<3 ; i++)
2153                         MSG_WriteCoord (msg, PRVM_serveredictvector(other, origin)[i] + 0.5*(PRVM_serveredictvector(other, mins)[i] + PRVM_serveredictvector(other, maxs)[i]), sv.protocol);
2154
2155                 PRVM_serveredictfloat(ent, dmg_take) = 0;
2156                 PRVM_serveredictfloat(ent, dmg_save) = 0;
2157         }
2158
2159 //
2160 // send the current viewpos offset from the view entity
2161 //
2162         SV_SetIdealPitch ();            // how much to look up / down ideally
2163
2164 // a fixangle might get lost in a dropped packet.  Oh well.
2165         if(PRVM_serveredictfloat(ent, fixangle))
2166         {
2167                 // angle fixing was requested by global thinking code...
2168                 // so store the current angles for later use
2169                 VectorCopy(PRVM_serveredictvector(ent, angles), host_client->fixangle_angles);
2170                 host_client->fixangle_angles_set = true;
2171
2172                 // and clear fixangle for the next frame
2173                 PRVM_serveredictfloat(ent, fixangle) = 0;
2174         }
2175
2176         if (host_client->fixangle_angles_set)
2177         {
2178                 MSG_WriteByte (msg, svc_setangle);
2179                 for (i=0 ; i < 3 ; i++)
2180                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
2181                 host_client->fixangle_angles_set = false;
2182         }
2183
2184         // the runes are in serverflags, pack them into the items value, also pack
2185         // in the items2 value for mission pack huds
2186         // (used only in the mission packs, which do not use serverflags)
2187         items = (int)PRVM_serveredictfloat(ent, items) | ((int)PRVM_serveredictfloat(ent, items2) << 23) | ((int)PRVM_serverglobalfloat(serverflags) << 28);
2188
2189         VectorCopy(PRVM_serveredictvector(ent, punchvector), punchvector);
2190
2191         // cache weapon model name and index in client struct to save time
2192         // (this search can be almost 1% of cpu time!)
2193         s = PRVM_GetString(prog, PRVM_serveredictstring(ent, weaponmodel));
2194         if (strcmp(s, client->weaponmodel))
2195         {
2196                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
2197                 client->weaponmodelindex = SV_ModelIndex(s, 1);
2198         }
2199
2200         viewzoom = (int)(PRVM_serveredictfloat(ent, viewzoom) * 255.0f);
2201         if (viewzoom == 0)
2202                 viewzoom = 255;
2203
2204         bits = 0;
2205
2206         if ((int)PRVM_serveredictfloat(ent, flags) & FL_ONGROUND)
2207                 bits |= SU_ONGROUND;
2208         if (PRVM_serveredictfloat(ent, waterlevel) >= 2)
2209                 bits |= SU_INWATER;
2210         if (PRVM_serveredictfloat(ent, idealpitch))
2211                 bits |= SU_IDEALPITCH;
2212
2213         for (i=0 ; i<3 ; i++)
2214         {
2215                 if (PRVM_serveredictvector(ent, punchangle)[i])
2216                         bits |= (SU_PUNCH1<<i);
2217                 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)
2218                         if (punchvector[i])
2219                                 bits |= (SU_PUNCHVEC1<<i);
2220                 if (PRVM_serveredictvector(ent, velocity)[i])
2221                         bits |= (SU_VELOCITY1<<i);
2222         }
2223
2224         gravity = PRVM_serveredictfloat(ent, gravity);if (!gravity) gravity = 1.0f;
2225
2226         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
2227         stats[STAT_VIEWHEIGHT] = (int)PRVM_serveredictvector(ent, view_ofs)[2];
2228         stats[STAT_ITEMS] = items;
2229         stats[STAT_WEAPONFRAME] = (int)PRVM_serveredictfloat(ent, weaponframe);
2230         stats[STAT_ARMOR] = (int)PRVM_serveredictfloat(ent, armorvalue);
2231         stats[STAT_WEAPON] = client->weaponmodelindex;
2232         stats[STAT_HEALTH] = (int)PRVM_serveredictfloat(ent, health);
2233         stats[STAT_AMMO] = (int)PRVM_serveredictfloat(ent, currentammo);
2234         stats[STAT_SHELLS] = (int)PRVM_serveredictfloat(ent, ammo_shells);
2235         stats[STAT_NAILS] = (int)PRVM_serveredictfloat(ent, ammo_nails);
2236         stats[STAT_ROCKETS] = (int)PRVM_serveredictfloat(ent, ammo_rockets);
2237         stats[STAT_CELLS] = (int)PRVM_serveredictfloat(ent, ammo_cells);
2238         stats[STAT_ACTIVEWEAPON] = (int)PRVM_serveredictfloat(ent, weapon);
2239         stats[STAT_VIEWZOOM] = viewzoom;
2240         stats[STAT_TOTALSECRETS] = (int)PRVM_serverglobalfloat(total_secrets);
2241         stats[STAT_TOTALMONSTERS] = (int)PRVM_serverglobalfloat(total_monsters);
2242         // the QC bumps these itself by sending svc_'s, so we have to keep them
2243         // zero or they'll be corrected by the engine
2244         //stats[STAT_SECRETS] = PRVM_serverglobalfloat(found_secrets);
2245         //stats[STAT_MONSTERS] = PRVM_serverglobalfloat(killed_monsters);
2246
2247         if(!sv_gameplayfix_customstats.integer)
2248         {
2249                 statsf[STAT_MOVEVARS_AIRACCEL_QW_STRETCHFACTOR] = sv_airaccel_qw_stretchfactor.value;
2250                 statsf[STAT_MOVEVARS_AIRCONTROL_PENALTY] = sv_aircontrol_penalty.value;
2251                 statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW] = sv_airspeedlimit_nonqw.value;
2252                 statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value;
2253                 statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value;
2254                 // movement settings for prediction
2255                 // note: these are not sent in protocols with lower MAX_CL_STATS limits
2256                 stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
2257                         | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
2258                         | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0)
2259                         | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0)
2260                 ;
2261                 statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
2262                 statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
2263                 statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
2264                 statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
2265                 statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
2266                 statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
2267                 statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
2268                 statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
2269                 statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
2270                 statsf[STAT_FRAGLIMIT] = fraglimit.value;
2271                 statsf[STAT_TIMELIMIT] = timelimit.value;
2272                 statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
2273                 statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
2274                 statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
2275                 statsf[STAT_MOVEVARS_TIMESCALE] = host_timescale.value;
2276                 statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
2277                 statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
2278                 statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
2279                 statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
2280                 statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
2281                 statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
2282                 statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
2283                 statsf[STAT_MOVEVARS_ENTGRAVITY] = gravity;
2284                 statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
2285                 statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
2286                 statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
2287                 statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
2288                 statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
2289                 statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
2290         }
2291
2292         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)
2293         {
2294                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
2295                 bits |= SU_ITEMS;
2296                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
2297                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
2298                 bits |= SU_WEAPON;
2299                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
2300                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2301                         if (viewzoom != 255)
2302                                 bits |= SU_VIEWZOOM;
2303         }
2304
2305         if (bits >= 65536)
2306                 bits |= SU_EXTEND1;
2307         if (bits >= 16777216)
2308                 bits |= SU_EXTEND2;
2309
2310         // send the data
2311         MSG_WriteByte (msg, svc_clientdata);
2312         MSG_WriteShort (msg, bits);
2313         if (bits & SU_EXTEND1)
2314                 MSG_WriteByte(msg, bits >> 16);
2315         if (bits & SU_EXTEND2)
2316                 MSG_WriteByte(msg, bits >> 24);
2317
2318         if (bits & SU_VIEWHEIGHT)
2319                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
2320
2321         if (bits & SU_IDEALPITCH)
2322                 MSG_WriteChar (msg, (int)PRVM_serveredictfloat(ent, idealpitch));
2323
2324         for (i=0 ; i<3 ; i++)
2325         {
2326                 if (bits & (SU_PUNCH1<<i))
2327                 {
2328                         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)
2329                                 MSG_WriteChar(msg, (int)PRVM_serveredictvector(ent, punchangle)[i]);
2330                         else
2331                                 MSG_WriteAngle16i(msg, PRVM_serveredictvector(ent, punchangle)[i]);
2332                 }
2333                 if (bits & (SU_PUNCHVEC1<<i))
2334                 {
2335                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2336                                 MSG_WriteCoord16i(msg, punchvector[i]);
2337                         else
2338                                 MSG_WriteCoord32f(msg, punchvector[i]);
2339                 }
2340                 if (bits & (SU_VELOCITY1<<i))
2341                 {
2342                         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)
2343                                 MSG_WriteChar(msg, (int)(PRVM_serveredictvector(ent, velocity)[i] * (1.0f / 16.0f)));
2344                         else
2345                                 MSG_WriteCoord32f(msg, PRVM_serveredictvector(ent, velocity)[i]);
2346                 }
2347         }
2348
2349         if (bits & SU_ITEMS)
2350                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
2351
2352         if (sv.protocol == PROTOCOL_DARKPLACES5)
2353         {
2354                 if (bits & SU_WEAPONFRAME)
2355                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
2356                 if (bits & SU_ARMOR)
2357                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
2358                 if (bits & SU_WEAPON)
2359                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
2360                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2361                 MSG_WriteShort (msg, stats[STAT_AMMO]);
2362                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
2363                 MSG_WriteShort (msg, stats[STAT_NAILS]);
2364                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
2365                 MSG_WriteShort (msg, stats[STAT_CELLS]);
2366                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
2367                 if (bits & SU_VIEWZOOM)
2368                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2369         }
2370         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)
2371         {
2372                 if (bits & SU_WEAPONFRAME)
2373                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
2374                 if (bits & SU_ARMOR)
2375                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
2376                 if (bits & SU_WEAPON)
2377                 {
2378                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2379                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
2380                         else
2381                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
2382                 }
2383                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2384                 MSG_WriteByte (msg, stats[STAT_AMMO]);
2385                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
2386                 MSG_WriteByte (msg, stats[STAT_NAILS]);
2387                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
2388                 MSG_WriteByte (msg, stats[STAT_CELLS]);
2389                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_QUOTH || IS_OLDNEXUIZ_DERIVED(gamemode))
2390                 {
2391                         for (i = 0;i < 32;i++)
2392                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
2393                                         break;
2394                         MSG_WriteByte (msg, i);
2395                 }
2396                 else
2397                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
2398                 if (bits & SU_VIEWZOOM)
2399                 {
2400                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2401                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
2402                         else
2403                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2404                 }
2405         }
2406 }
2407
2408 void SV_FlushBroadcastMessages(void)
2409 {
2410         int i;
2411         client_t *client;
2412         if (sv.datagram.cursize <= 0)
2413                 return;
2414         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2415         {
2416                 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])))
2417                         continue;
2418                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2419                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2420         }
2421         SZ_Clear(&sv.datagram);
2422 }
2423
2424 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2425 {
2426         // scan the splitpoints to find out how many we can fit in
2427         int numsegments, j, split;
2428         if (!client->unreliablemsg_splitpoints)
2429                 return;
2430         // always accept the first one if it's within 1024 bytes, this ensures
2431         // that very big datagrams which are over the rate limit still get
2432         // through, just to keep it working
2433         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2434                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2435                         break;
2436         // the first segment gets an exemption from the rate limiting, otherwise
2437         // it could get dropped consistently due to a low rate limit
2438         if (numsegments == 1)
2439                 maxsize = maxsize2;
2440         // some will fit, so add the ones that will fit
2441         split = client->unreliablemsg_splitpoint[numsegments-1];
2442         // note this discards ones that were accepted by the segments scan but
2443         // can not fit, such as a really huge first one that will never ever
2444         // fit in a packet...
2445         if (msg->cursize + split <= maxsize)
2446                 SZ_Write(msg, client->unreliablemsg.data, split);
2447         // remove the part we sent, keeping any remaining data
2448         client->unreliablemsg.cursize -= split;
2449         if (client->unreliablemsg.cursize > 0)
2450                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2451         // adjust remaining splitpoints
2452         client->unreliablemsg_splitpoints -= numsegments;
2453         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2454                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2455 }
2456
2457 /*
2458 =======================
2459 SV_SendClientDatagram
2460 =======================
2461 */
2462 static void SV_SendClientDatagram (client_t *client)
2463 {
2464         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2465         sizebuf_t msg;
2466         int stats[MAX_CL_STATS];
2467         static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2468         double timedelta;
2469
2470         // obey rate limit by limiting packet frequency if the packet size
2471         // limiting fails
2472         // (usually this is caused by reliable messages)
2473         if (!NetConn_CanSend(client->netconnection))
2474                 return;
2475
2476         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2477         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2478         if (sv_maxrate.integer != maxrate)
2479                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2480
2481         // clientrate determines the 'cleartime' of a packet
2482         // (how long to wait before sending another, based on this packet's size)
2483         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2484
2485         switch (sv.protocol)
2486         {
2487         case PROTOCOL_QUAKE:
2488         case PROTOCOL_QUAKEDP:
2489         case PROTOCOL_NEHAHRAMOVIE:
2490         case PROTOCOL_NEHAHRABJP:
2491         case PROTOCOL_NEHAHRABJP2:
2492         case PROTOCOL_NEHAHRABJP3:
2493         case PROTOCOL_QUAKEWORLD:
2494                 // no packet size limit support on Quake protocols because it just
2495                 // causes missing entities/effects
2496                 // packets are simply sent less often to obey the rate limit
2497                 maxsize = 1024;
2498                 maxsize2 = 1024;
2499                 break;
2500         case PROTOCOL_DARKPLACES1:
2501         case PROTOCOL_DARKPLACES2:
2502         case PROTOCOL_DARKPLACES3:
2503         case PROTOCOL_DARKPLACES4:
2504                 // no packet size limit support on DP1-4 protocols because they kick
2505                 // the client off if they overflow, and miss effects
2506                 // packets are simply sent less often to obey the rate limit
2507                 maxsize = sizeof(sv_sendclientdatagram_buf);
2508                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2509                 break;
2510         default:
2511                 // DP5 and later protocols support packet size limiting which is a
2512                 // better method than limiting packet frequency as QW does
2513                 //
2514                 // at very low rates (or very small sys_ticrate) the packet size is
2515                 // not reduced below 128, but packets may be sent less often
2516
2517                 // how long are bursts?
2518                 timedelta = host_client->rate_burstsize / (double)client->rate;
2519
2520                 // how much of the burst do we keep reserved?
2521                 timedelta *= 1 - net_burstreserve.value;
2522
2523                 // only try to use excess time
2524                 timedelta = bound(0, host.realtime - host_client->netconnection->cleartime, timedelta);
2525
2526                 // but we know next packet will be in sys_ticrate, so we can use up THAT bandwidth
2527                 timedelta += sys_ticrate.value;
2528
2529                 // note: packet overhead (not counted in maxsize) is 28 bytes
2530                 maxsize = (int)(clientrate * timedelta) - 28;
2531
2532                 // put it in sound bounds
2533                 maxsize = bound(128, maxsize, 1400);
2534                 maxsize2 = 1400;
2535
2536                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2537                 // mods that use csqc (they are likely to use less bandwidth anyway)
2538                 if((net_usesizelimit.integer == 1) ? (sv.csqc_progsize > 0) : (net_usesizelimit.integer < 1))
2539                         maxsize = maxsize2;
2540
2541                 break;
2542         }
2543
2544         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !host_limitlocal.integer)
2545         {
2546                 // for good singleplayer, send huge packets
2547                 maxsize = sizeof(sv_sendclientdatagram_buf);
2548                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2549                 // never limit frequency in singleplayer
2550                 clientrate = 1000000000;
2551         }
2552
2553         // while downloading, limit entity updates to half the packet
2554         // (any leftover space will be used for downloading)
2555         if (host_client->download_file)
2556                 maxsize /= 2;
2557
2558         msg.data = sv_sendclientdatagram_buf;
2559         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2560         msg.cursize = 0;
2561         msg.allowoverflow = false;
2562
2563         if (host_client->begun)
2564         {
2565                 // the player is in the game
2566                 MSG_WriteByte (&msg, svc_time);
2567                 MSG_WriteFloat (&msg, sv.time);
2568
2569                 // add the client specific data to the datagram
2570                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2571                 // now update the stats[] array using any registered custom fields
2572                 VM_SV_UpdateCustomStats(client, client->edict, &msg, stats);
2573                 // set host_client->statsdeltabits
2574                 Protocol_UpdateClientStats (stats);
2575
2576                 // add as many queued unreliable messages (effects) as we can fit
2577                 // limit effects to half of the remaining space
2578                 if (client->unreliablemsg.cursize)
2579                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2580
2581                 // now write as many entities as we can fit, and also sends stats
2582                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2583         }
2584         else if (host.realtime > client->keepalivetime)
2585         {
2586                 // the player isn't totally in the game yet
2587                 // send small keepalive messages if too much time has passed
2588                 // (may also be sending downloads)
2589                 client->keepalivetime = host.realtime + 5;
2590                 MSG_WriteChar (&msg, svc_nop);
2591         }
2592
2593         // if a download is active, see if there is room to fit some download data
2594         // in this packet
2595         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2596         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2597         {
2598                 fs_offset_t downloadstart;
2599                 unsigned char data[1400];
2600                 downloadstart = FS_Tell(host_client->download_file);
2601                 downloadsize = min(downloadsize, (int)sizeof(data));
2602                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2603                 // note this sends empty messages if at the end of the file, which is
2604                 // necessary to keep the packet loss logic working
2605                 // (the last blocks may be lost and need to be re-sent, and that will
2606                 //  only occur if the client acks the empty end messages, revealing
2607                 //  a gap in the download progress, causing the last blocks to be
2608                 //  sent again)
2609                 MSG_WriteChar (&msg, svc_downloaddata);
2610                 MSG_WriteLong (&msg, downloadstart);
2611                 MSG_WriteShort (&msg, downloadsize);
2612                 if (downloadsize > 0)
2613                         SZ_Write (&msg, data, downloadsize);
2614         }
2615
2616         // reliable only if none is in progress
2617         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2618                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2619         // unreliable
2620         SV_WriteDemoMessage(client, &msg, false);
2621
2622 // send the datagram
2623         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->rate_burstsize, client->sendsignon == 2);
2624         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2625                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2626 }
2627
2628 /*
2629 =======================
2630 SV_UpdateToReliableMessages
2631 =======================
2632 */
2633 static void SV_UpdateToReliableMessages (void)
2634 {
2635         prvm_prog_t *prog = SVVM_prog;
2636         int i, j;
2637         client_t *client;
2638         const char *name;
2639         const char *model;
2640         const char *skin;
2641         int clientcamera;
2642
2643 // check for changes to be sent over the reliable streams
2644         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2645         {
2646                 // update the host_client fields we care about according to the entity fields
2647                 host_client->edict = PRVM_EDICT_NUM(i+1);
2648
2649                 // DP_SV_CLIENTNAME
2650                 name = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, netname));
2651                 if (name == NULL)
2652                         name = "";
2653                 // always point the string back at host_client->name to keep it safe
2654                 //strlcpy (host_client->name, name, sizeof (host_client->name));
2655                 if (name != host_client->name) // prevent buffer overlap SIGABRT on Mac OSX
2656                         strlcpy (host_client->name, name, sizeof (host_client->name));
2657                 SV_Name(i);
2658
2659                 // DP_SV_CLIENTCOLORS
2660                 host_client->colors = (int)PRVM_serveredictfloat(host_client->edict, clientcolors);
2661                 if (host_client->old_colors != host_client->colors)
2662                 {
2663                         host_client->old_colors = host_client->colors;
2664                         // send notification to all clients
2665                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2666                         MSG_WriteByte (&sv.reliable_datagram, i);
2667                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2668                 }
2669
2670                 // NEXUIZ_PLAYERMODEL
2671                 model = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, playermodel));
2672                 if (model == NULL)
2673                         model = "";
2674                 // always point the string back at host_client->name to keep it safe
2675                 //strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2676                 if (model != host_client->playermodel) // prevent buffer overlap SIGABRT on Mac OSX
2677                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2678                 PRVM_serveredictstring(host_client->edict, playermodel) = PRVM_SetEngineString(prog, host_client->playermodel);
2679
2680                 // NEXUIZ_PLAYERSKIN
2681                 skin = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, playerskin));
2682                 if (skin == NULL)
2683                         skin = "";
2684                 // always point the string back at host_client->name to keep it safe
2685                 //strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2686                 if (skin != host_client->playerskin) // prevent buffer overlap SIGABRT on Mac OSX
2687                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2688                 PRVM_serveredictstring(host_client->edict, playerskin) = PRVM_SetEngineString(prog, host_client->playerskin);
2689
2690                 // TODO: add an extension name for this [1/17/2008 Black]
2691                 clientcamera = PRVM_serveredictedict(host_client->edict, clientcamera);
2692                 if (clientcamera > 0)
2693                 {
2694                         int oldclientcamera = host_client->clientcamera;
2695                         if (clientcamera >= prog->max_edicts || PRVM_EDICT_NUM(clientcamera)->priv.required->free)
2696                                 clientcamera = PRVM_NUM_FOR_EDICT(host_client->edict);
2697                         host_client->clientcamera = clientcamera;
2698
2699                         if (oldclientcamera != host_client->clientcamera && host_client->netconnection)
2700                         {
2701                                 MSG_WriteByte(&host_client->netconnection->message, svc_setview);
2702                                 MSG_WriteShort(&host_client->netconnection->message, host_client->clientcamera);
2703                         }
2704                 }
2705
2706                 // frags
2707                 host_client->frags = (int)PRVM_serveredictfloat(host_client->edict, frags);
2708                 if(IS_OLDNEXUIZ_DERIVED(gamemode))
2709                         if(!host_client->begun && host_client->netconnection)
2710                                 host_client->frags = -666;
2711                 if (host_client->old_frags != host_client->frags)
2712                 {
2713                         host_client->old_frags = host_client->frags;
2714                         // send notification to all clients
2715                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2716                         MSG_WriteByte (&sv.reliable_datagram, i);
2717                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2718                 }
2719         }
2720
2721         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2722                 if (client->netconnection && (client->begun || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2723                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2724
2725         SZ_Clear (&sv.reliable_datagram);
2726 }
2727
2728
2729 /*
2730 =======================
2731 SV_SendClientMessages
2732 =======================
2733 */
2734 void SV_SendClientMessages(void)
2735 {
2736         int i, prepared = false;
2737
2738         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2739                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2740
2741         SV_FlushBroadcastMessages();
2742
2743 // update frags, names, etc
2744         SV_UpdateToReliableMessages();
2745
2746 // build individual updates
2747         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2748         {
2749                 if (!host_client->active)
2750                         continue;
2751                 if (!host_client->netconnection)
2752                         continue;
2753
2754                 if (host_client->netconnection->message.overflowed)
2755                 {
2756                         SV_DropClient (true);   // if the message couldn't send, kick off
2757                         continue;
2758                 }
2759
2760                 if (!prepared)
2761                 {
2762                         prepared = true;
2763                         // only prepare entities once per frame
2764                         SV_PrepareEntitiesForSending();
2765                 }
2766                 SV_SendClientDatagram(host_client);
2767         }
2768
2769 // clear muzzle flashes
2770         SV_CleanupEnts();
2771 }
2772
2773 static void SV_StartDownload_f(cmd_state_t *cmd)
2774 {
2775         if (host_client->download_file)
2776                 host_client->download_started = true;
2777 }
2778
2779 /*
2780  * Compression extension negotiation:
2781  *
2782  * Server to client:
2783  *   cl_serverextension_download 2
2784  *
2785  * Client to server:
2786  *   download <filename> <list of zero or more suppported compressions in order of preference>
2787  * e.g.
2788  *   download maps/map1.bsp lzo deflate huffman
2789  *
2790  * Server to client:
2791  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2792  * e.g.
2793  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2794  *
2795  * The server may choose not to compress the file by sending no compression name, like:
2796  *   cl_downloadbegin 345678 maps/map1.bsp
2797  *
2798  * NOTE: the "download" command may only specify compression algorithms if
2799  *       cl_serverextension_download is 2!
2800  *       If cl_serverextension_download has a different value, the client must
2801  *       assume this extension is not supported!
2802  */
2803
2804 static void Download_CheckExtensions(cmd_state_t *cmd)
2805 {
2806         int i;
2807         int argc = Cmd_Argc(cmd);
2808
2809         // first reset them all
2810         host_client->download_deflate = false;
2811
2812         for(i = 2; i < argc; ++i)
2813         {
2814                 if(!strcmp(Cmd_Argv(cmd, i), "deflate"))
2815                 {
2816                         host_client->download_deflate = true;
2817                         break;
2818                 }
2819         }
2820 }
2821
2822 static void SV_Download_f(cmd_state_t *cmd)
2823 {
2824         const char *whichpack, *whichpack2, *extension;
2825         qbool is_csqc; // so we need to check only once
2826
2827         if (Cmd_Argc(cmd) < 2)
2828         {
2829                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2830                 SV_ClientPrintf("       supported extensions: deflate\n");
2831                 return;
2832         }
2833
2834         if (FS_CheckNastyPath(Cmd_Argv(cmd, 1), false))
2835         {
2836                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(cmd, 1));
2837                 return;
2838         }
2839
2840         if (host_client->download_file)
2841         {
2842                 // at this point we'll assume the previous download should be aborted
2843                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2844                 SV_ClientCommands("\nstopdownload\n");
2845
2846                 // close the file and reset variables
2847                 FS_Close(host_client->download_file);
2848                 host_client->download_file = NULL;
2849                 host_client->download_name[0] = 0;
2850                 host_client->download_expectedposition = 0;
2851                 host_client->download_started = false;
2852         }
2853
2854         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(cmd, 1), sv.csqc_progname) == 0);
2855
2856         if (!sv_allowdownloads.integer && !is_csqc)
2857         {
2858                 SV_ClientPrintf("Downloads are disabled on this server\n");
2859                 SV_ClientCommands("\nstopdownload\n");
2860                 return;
2861         }
2862
2863         Download_CheckExtensions(cmd);
2864
2865         strlcpy(host_client->download_name, Cmd_Argv(cmd, 1), sizeof(host_client->download_name));
2866         extension = FS_FileExtension(host_client->download_name);
2867
2868         // host_client is asking to download a specified file
2869         if (developer_extra.integer)
2870                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2871
2872         if(is_csqc)
2873         {
2874                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2875                 extensions[0] = '\0';
2876
2877                 if(host_client->download_deflate)
2878                         strlcat(extensions, " deflate", sizeof(extensions));
2879
2880                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2881
2882                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2883                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2884                 else
2885                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2886
2887                 // no, no space is needed between %s and %s :P
2888                 SV_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2889
2890                 host_client->download_expectedposition = 0;
2891                 host_client->download_started = false;
2892                 host_client->sendsignon = true; // make sure this message is sent
2893                 return;
2894         }
2895
2896         if (!FS_FileExists(host_client->download_name))
2897         {
2898                 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);
2899                 SV_ClientCommands("\nstopdownload\n");
2900                 return;
2901         }
2902
2903         // check if the user is trying to download part of registered Quake(r)
2904         whichpack = FS_WhichPack(host_client->download_name);
2905         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2906         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2907         {
2908                 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);
2909                 SV_ClientCommands("\nstopdownload\n");
2910                 return;
2911         }
2912
2913         // check if the server has forbidden archive downloads entirely
2914         if (!sv_allowdownloads_inarchive.integer)
2915         {
2916                 whichpack = FS_WhichPack(host_client->download_name);
2917                 if (whichpack)
2918                 {
2919                         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);
2920                         SV_ClientCommands("\nstopdownload\n");
2921                         return;
2922                 }
2923         }
2924
2925         if (!sv_allowdownloads_config.integer)
2926         {
2927                 if (!strcasecmp(extension, "cfg"))
2928                 {
2929                         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);
2930                         SV_ClientCommands("\nstopdownload\n");
2931                         return;
2932                 }
2933         }
2934
2935         if (!sv_allowdownloads_dlcache.integer)
2936         {
2937                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2938                 {
2939                         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);
2940                         SV_ClientCommands("\nstopdownload\n");
2941                         return;
2942                 }
2943         }
2944
2945         if (!sv_allowdownloads_archive.integer)
2946         {
2947                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2948                 {
2949                         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);
2950                         SV_ClientCommands("\nstopdownload\n");
2951                         return;
2952                 }
2953         }
2954
2955         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2956         if (!host_client->download_file)
2957         {
2958                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2959                 SV_ClientCommands("\nstopdownload\n");
2960                 return;
2961         }
2962
2963         if (FS_FileSize(host_client->download_file) > 1<<30)
2964         {
2965                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2966                 SV_ClientCommands("\nstopdownload\n");
2967                 FS_Close(host_client->download_file);
2968                 host_client->download_file = NULL;
2969                 return;
2970         }
2971
2972         if (FS_FileSize(host_client->download_file) < 0)
2973         {
2974                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2975                 SV_ClientCommands("\nstopdownload\n");
2976                 FS_Close(host_client->download_file);
2977                 host_client->download_file = NULL;
2978                 return;
2979         }
2980
2981         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2982
2983         /*
2984          * we can only do this if we would actually deflate on the fly
2985          * which we do not (yet)!
2986         {
2987                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2988                 extensions[0] = '\0';
2989
2990                 if(host_client->download_deflate)
2991                         strlcat(extensions, " deflate", sizeof(extensions));
2992
2993                 // no, no space is needed between %s and %s :P
2994                 SV_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2995         }
2996         */
2997         SV_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2998
2999         host_client->download_expectedposition = 0;
3000         host_client->download_started = false;
3001         host_client->sendsignon = true; // make sure this message is sent
3002
3003         // the rest of the download process is handled in SV_SendClientDatagram
3004         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
3005         //
3006         // no svc_downloaddata messages will be sent until sv_startdownload is
3007         // sent by the client
3008 }
3009
3010 /*
3011 ==============================================================================
3012
3013 SERVER SPAWNING
3014
3015 ==============================================================================
3016 */
3017
3018 /*
3019 ================
3020 SV_ModelIndex
3021
3022 ================
3023 */
3024 int SV_ModelIndex(const char *s, int precachemode)
3025 {
3026         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);
3027         char filename[MAX_QPATH];
3028         if (!s || !*s)
3029                 return 0;
3030         // testing
3031         //if (precachemode == 2)
3032         //      return 0;
3033         strlcpy(filename, s, sizeof(filename));
3034         for (i = 2;i < limit;i++)
3035         {
3036                 if (!sv.model_precache[i][0])
3037                 {
3038                         if (precachemode)
3039                         {
3040                                 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))
3041                                 {
3042                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
3043                                         return 0;
3044                                 }
3045                                 if (precachemode == 1)
3046                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
3047                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
3048                                 if (sv.state == ss_loading)
3049                                 {
3050                                         // running from SV_SpawnServer which is launched from the client console command interpreter
3051                                         sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
3052                                 }
3053                                 else
3054                                 {
3055                                         if (svs.threaded)
3056                                         {
3057                                                 // 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
3058                                                 sv.models[i] = Mod_FindName (sv.model_precache[i], s[0] == '*' ? sv.worldname : NULL);
3059                                         }
3060                                         else
3061                                         {
3062                                                 // running single threaded, so we can load the model here
3063                                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
3064                                         }
3065                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
3066                                         MSG_WriteShort(&sv.reliable_datagram, i);
3067                                         MSG_WriteString(&sv.reliable_datagram, filename);
3068                                 }
3069                                 return i;
3070                         }
3071                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
3072                         return 0;
3073                 }
3074                 if (!strcmp(sv.model_precache[i], filename))
3075                         return i;
3076         }
3077         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
3078         return 0;
3079 }
3080
3081 /*
3082 ================
3083 SV_SoundIndex
3084
3085 ================
3086 */
3087 int SV_SoundIndex(const char *s, int precachemode)
3088 {
3089         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);
3090         char filename[MAX_QPATH];
3091         if (!s || !*s)
3092                 return 0;
3093         // testing
3094         //if (precachemode == 2)
3095         //      return 0;
3096         strlcpy(filename, s, sizeof(filename));
3097         for (i = 1;i < limit;i++)
3098         {
3099                 if (!sv.sound_precache[i][0])
3100                 {
3101                         if (precachemode)
3102                         {
3103                                 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))
3104                                 {
3105                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
3106                                         return 0;
3107                                 }
3108                                 if (precachemode == 1)
3109                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
3110                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
3111                                 if (sv.state != ss_loading)
3112                                 {
3113                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
3114                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
3115                                         MSG_WriteString(&sv.reliable_datagram, filename);
3116                                 }
3117                                 return i;
3118                         }
3119                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
3120                         return 0;
3121                 }
3122                 if (!strcmp(sv.sound_precache[i], filename))
3123                         return i;
3124         }
3125         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
3126         return 0;
3127 }
3128
3129 /*
3130 ================
3131 SV_ParticleEffectIndex
3132
3133 ================
3134 */
3135 int SV_ParticleEffectIndex(const char *name)
3136 {
3137         int i, argc, linenumber, effectnameindex;
3138         int filepass;
3139         fs_offset_t filesize;
3140         unsigned char *filedata;
3141         const char *text;
3142         const char *textstart;
3143         //const char *textend;
3144         char argv[16][1024];
3145         char filename[MAX_QPATH];
3146         if (!sv.particleeffectnamesloaded)
3147         {
3148                 sv.particleeffectnamesloaded = true;
3149                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
3150                 for (i = 0;i < EFFECT_TOTAL;i++)
3151                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
3152                 for (filepass = 0;;filepass++)
3153                 {
3154                         if (filepass == 0)
3155                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
3156                         else if (filepass == 1)
3157                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
3158                         else
3159                                 break;
3160                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
3161                         if (!filedata)
3162                                 continue;
3163                         textstart = (const char *)filedata;
3164                         //textend = (const char *)filedata + filesize;
3165                         text = textstart;
3166                         for (linenumber = 1;;linenumber++)
3167                         {
3168                                 argc = 0;
3169                                 for (;;)
3170                                 {
3171                                         if (!COM_ParseToken_Simple(&text, true, false, true) || !strcmp(com_token, "\n"))
3172                                                 break;
3173                                         if (argc < 16)
3174                                         {
3175                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
3176                                                 argc++;
3177                                         }
3178                                 }
3179                                 if (com_token[0] == 0)
3180                                         break; // if the loop exited and it's not a \n, it's EOF
3181                                 if (argc < 1)
3182                                         continue;
3183                                 if (!strcmp(argv[0], "effect"))
3184                                 {
3185                                         if (argc == 2)
3186                                         {
3187                                                 for (effectnameindex = 1;effectnameindex < MAX_PARTICLEEFFECTNAME;effectnameindex++)
3188                                                 {
3189                                                         if (sv.particleeffectname[effectnameindex][0])
3190                                                         {
3191                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
3192                                                                         break;
3193                                                         }
3194                                                         else
3195                                                         {
3196                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
3197                                                                 break;
3198                                                         }
3199                                                 }
3200                                                 // if we run out of names, abort
3201                                                 if (effectnameindex == MAX_PARTICLEEFFECTNAME)
3202                                                 {
3203                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
3204                                                         break;
3205                                                 }
3206                                         }
3207                                 }
3208                         }
3209                         Mem_Free(filedata);
3210                 }
3211         }
3212         // search for the name
3213         for (effectnameindex = 1;effectnameindex < MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
3214                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
3215                         return effectnameindex;
3216         // return 0 if we couldn't find it
3217         return 0;
3218 }
3219
3220 dp_model_t *SV_GetModelByIndex(int modelindex)
3221 {
3222         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3223 }
3224
3225 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
3226 {
3227         prvm_prog_t *prog = SVVM_prog;
3228         int modelindex;
3229         if (!ed || ed->priv.server->free)
3230                 return NULL;
3231         modelindex = (int)PRVM_serveredictfloat(ed, modelindex);
3232         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3233 }
3234
3235 /*
3236 ================
3237 SV_CreateBaseline
3238
3239 ================
3240 */
3241 static void SV_CreateBaseline (void)
3242 {
3243         prvm_prog_t *prog = SVVM_prog;
3244         int i, entnum, large;
3245         prvm_edict_t *svent;
3246
3247         // LadyHavoc: clear *all* baselines (not just active ones)
3248         for (entnum = 0;entnum < prog->max_edicts;entnum++)
3249         {
3250                 // get the current server version
3251                 svent = PRVM_EDICT_NUM(entnum);
3252
3253                 // LadyHavoc: always clear state values, whether the entity is in use or not
3254                 svent->priv.server->baseline = defaultstate;
3255
3256                 if (svent->priv.server->free)
3257                         continue;
3258                 if (entnum > svs.maxclients && !PRVM_serveredictfloat(svent, modelindex))
3259                         continue;
3260
3261                 // create entity baseline
3262                 VectorCopy (PRVM_serveredictvector(svent, origin), svent->priv.server->baseline.origin);
3263                 VectorCopy (PRVM_serveredictvector(svent, angles), svent->priv.server->baseline.angles);
3264                 svent->priv.server->baseline.frame = (int)PRVM_serveredictfloat(svent, frame);
3265                 svent->priv.server->baseline.skin = (int)PRVM_serveredictfloat(svent, skin);
3266                 if (entnum > 0 && entnum <= svs.maxclients)
3267                 {
3268                         svent->priv.server->baseline.colormap = entnum;
3269                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
3270                 }
3271                 else
3272                 {
3273                         svent->priv.server->baseline.colormap = 0;
3274                         svent->priv.server->baseline.modelindex = (int)PRVM_serveredictfloat(svent, modelindex);
3275                 }
3276
3277                 large = false;
3278                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
3279                 {
3280                         large = true;
3281                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3282                                 large = false;
3283                 }
3284
3285                 // add to the message
3286                 if (large)
3287                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
3288                 else
3289                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
3290                 MSG_WriteShort (&sv.signon, entnum);
3291
3292                 if (large)
3293                 {
3294                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3295                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
3296                 }
3297                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3298                 {
3299                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3300                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3301                 }
3302                 else
3303                 {
3304                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
3305                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3306                 }
3307                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
3308                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
3309                 for (i=0 ; i<3 ; i++)
3310                 {
3311                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
3312                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
3313                 }
3314         }
3315 }
3316
3317 /*
3318 ================
3319 SV_Prepare_CSQC
3320
3321 Load csprogs.dat and comperss it so it doesn't need to be
3322 reloaded on request.
3323 ================
3324 */
3325 static void SV_Prepare_CSQC(void)
3326 {
3327         fs_offset_t progsize;
3328
3329         if(svs.csqc_progdata)
3330         {
3331                 Con_DPrintf("Unloading old CSQC data.\n");
3332                 Mem_Free(svs.csqc_progdata);
3333                 if(svs.csqc_progdata_deflated)
3334                         Mem_Free(svs.csqc_progdata_deflated);
3335         }
3336
3337         svs.csqc_progdata = NULL;
3338         svs.csqc_progdata_deflated = NULL;
3339
3340         sv.csqc_progname[0] = 0;
3341         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
3342
3343         if(progsize > 0)
3344         {
3345                 size_t deflated_size;
3346
3347                 sv.csqc_progsize = (int)progsize;
3348                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
3349                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
3350                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
3351
3352                 Con_DPrint("Compressing csprogs.dat\n");
3353                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
3354                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
3355                 svs.csqc_progsize_deflated = (int)deflated_size;
3356                 if(svs.csqc_progdata_deflated)
3357                 {
3358                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
3359                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
3360                 }
3361                 else
3362                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
3363         }
3364 }
3365
3366 /*
3367 ================
3368 SV_SaveSpawnparms
3369
3370 Grabs the current state of each client for saving across the
3371 transition to another level
3372 ================
3373 */
3374 void SV_SaveSpawnparms (void)
3375 {
3376         prvm_prog_t *prog = SVVM_prog;
3377         int             i, j;
3378
3379         svs.serverflags = (int)PRVM_serverglobalfloat(serverflags);
3380
3381         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3382         {
3383                 if (!host_client->active)
3384                         continue;
3385
3386         // call the progs to get default spawn parms for the new client
3387                 PRVM_serverglobalfloat(time) = sv.time;
3388                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3389                 prog->ExecuteProgram(prog, PRVM_serverfunction(SetChangeParms), "QC function SetChangeParms is missing");
3390                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
3391                         host_client->spawn_parms[j] = (&PRVM_serverglobalfloat(parm1))[j];
3392         }
3393 }
3394
3395 /*
3396 ================
3397 SV_SpawnServer
3398
3399 This is called at the start of each level
3400 ================
3401 */
3402
3403 void SV_SpawnServer (const char *map)
3404 {
3405         prvm_prog_t *prog = SVVM_prog;
3406         prvm_edict_t *ent;
3407         int i;
3408         char *entities;
3409         dp_model_t *worldmodel;
3410         char modelname[sizeof(sv.worldname)];
3411         char vabuf[1024];
3412
3413         Con_Printf("SpawnServer: %s\n", map);
3414
3415         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", map);
3416
3417         if (!FS_FileExists(modelname))
3418         {
3419                 dpsnprintf (modelname, sizeof(modelname), "maps/%s", map);
3420                 if (!FS_FileExists(modelname))
3421                 {
3422                         Con_Printf("SpawnServer: no map file named %s\n", modelname);
3423                         return;
3424                 }
3425         }
3426
3427 //      SV_LockThreadMutex();
3428
3429         if(cls.state == ca_dedicated)
3430                 Sys_MakeProcessNice();
3431
3432         if (cls.state != ca_dedicated)
3433         {
3434                 SCR_BeginLoadingPlaque(false);
3435                 S_StopAllSounds();
3436         }
3437
3438         if(sv.active)
3439         {
3440                 client_t *client;
3441                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3442                 {
3443                         if (client->netconnection)
3444                         {
3445                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3446                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3447                         }
3448                 }
3449                 World_End(&sv.world);
3450                 if(PRVM_serverfunction(SV_Shutdown))
3451                 {
3452                         func_t s = PRVM_serverfunction(SV_Shutdown);
3453                         PRVM_serverglobalfloat(time) = sv.time;
3454                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
3455                         prog->ExecuteProgram(prog, s,"SV_Shutdown() required");
3456                 }
3457         }
3458
3459         // free q3 shaders so that any newly downloaded shaders will be active
3460         Mod_FreeQ3Shaders();
3461
3462         worldmodel = Mod_ForName(modelname, false, developer.integer > 0, NULL);
3463         if (!worldmodel || !worldmodel->TraceBox)
3464         {
3465                 Con_Printf("Couldn't load map %s\n", modelname);
3466
3467                 if(cls.state == ca_dedicated)
3468                         Sys_MakeProcessMean();
3469
3470 //              SV_UnlockThreadMutex();
3471
3472                 return;
3473         }
3474
3475         Collision_Cache_Reset(true);
3476
3477         // let's not have any servers with no name
3478         if (hostname.string[0] == 0)
3479                 Cvar_SetQuick(&hostname, "UNNAMED");
3480         scr_centertime_off = 0;
3481
3482         svs.changelevel_issued = false;         // now safe to issue another
3483
3484         // make the map a required file for clients
3485         Curl_ClearRequirements();
3486         Curl_RequireFile(modelname);
3487
3488 //
3489 // tell all connected clients that we are going to a new level
3490 //
3491         if (!sv.active)
3492                 NetConn_OpenServerPorts(true);
3493
3494 //
3495 // make cvars consistant
3496 //
3497         if (coop.integer)
3498                 Cvar_SetValueQuick(&deathmatch, 0);
3499         // LadyHavoc: it can be useful to have skills outside the range 0-3...
3500         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3501         //Cvar_SetValue ("skill", (float)current_skill);
3502         current_skill = (int)(skill.value + 0.5);
3503
3504 //
3505 // set up the new server
3506 //
3507         memset (&sv, 0, sizeof(sv));
3508         // if running a local client, make sure it doesn't try to access the last
3509         // level's data which is no longer valiud
3510         cls.signon = 0;
3511
3512         Cvar_SetValueQuick(&halflifebsp, worldmodel->brush.ishlbsp);
3513         Cvar_SetValueQuick(&sv_mapformat_is_quake2, worldmodel->brush.isq2bsp);
3514         Cvar_SetValueQuick(&sv_mapformat_is_quake3, worldmodel->brush.isq3bsp);
3515
3516         if(*sv_random_seed.string)
3517         {
3518                 srand(sv_random_seed.integer);
3519                 Con_Printf(CON_WARN "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);
3520         }
3521
3522         SV_VM_Setup();
3523
3524         sv.active = true;
3525
3526         // set level base name variables for later use
3527         strlcpy (sv.name, map, sizeof (sv.name));
3528         strlcpy(sv.worldname, modelname, sizeof(sv.worldname));
3529         FS_StripExtension(sv.worldname, sv.worldnamenoextension, sizeof(sv.worldnamenoextension));
3530         strlcpy(sv.worldbasename, !strncmp(sv.worldnamenoextension, "maps/", 5) ? sv.worldnamenoextension + 5 : sv.worldnamenoextension, sizeof(sv.worldbasename));
3531         //Cvar_SetQuick(&sv_worldmessage, sv.worldmessage); // set later after QC is spawned
3532         Cvar_SetQuick(&sv_worldname, sv.worldname);
3533         Cvar_SetQuick(&sv_worldnamenoextension, sv.worldnamenoextension);
3534         Cvar_SetQuick(&sv_worldbasename, sv.worldbasename);
3535
3536         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3537         if (sv.protocol == PROTOCOL_UNKNOWN)
3538         {
3539                 char buffer[1024];
3540                 Protocol_Names(buffer, sizeof(buffer));
3541                 Con_Printf(CON_ERROR "Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3542                 sv.protocol = PROTOCOL_QUAKE;
3543         }
3544
3545 // load progs to get entity field count
3546         //PR_LoadProgs ( sv_progs.string );
3547
3548         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3549         sv.datagram.cursize = 0;
3550         sv.datagram.data = sv.datagram_buf;
3551
3552         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3553         sv.reliable_datagram.cursize = 0;
3554         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3555
3556         sv.signon.maxsize = sizeof(sv.signon_buf);
3557         sv.signon.cursize = 0;
3558         sv.signon.data = sv.signon_buf;
3559
3560 // leave slots at start for clients only
3561         //prog->num_edicts = svs.maxclients+1;
3562
3563         sv.state = ss_loading;
3564         prog->allowworldwrites = true;
3565         sv.paused = false;
3566
3567         sv.time = 1.0;
3568
3569         Mod_ClearUsed();
3570         worldmodel->used = true;
3571
3572         sv.worldmodel = worldmodel;
3573         sv.models[1] = sv.worldmodel;
3574
3575 //
3576 // clear world interaction links
3577 //
3578         World_SetSize(&sv.world, sv.worldname, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs, prog);
3579         World_Start(&sv.world);
3580
3581         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3582
3583         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3584         strlcpy(sv.model_precache[1], sv.worldname, sizeof(sv.model_precache[1]));
3585         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3586         {
3587                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3588                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.worldname);
3589         }
3590         if(i < sv.worldmodel->brush.numsubmodels)
3591                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3592
3593 //
3594 // load the rest of the entities
3595 //
3596         // AK possible hack since num_edicts is still 0
3597         ent = PRVM_EDICT_NUM(0);
3598         memset (ent->fields.fp, 0, prog->entityfields * sizeof(prvm_vec_t));
3599         ent->priv.server->free = false;
3600         PRVM_serveredictstring(ent, model) = PRVM_SetEngineString(prog, sv.worldname);
3601         PRVM_serveredictfloat(ent, modelindex) = 1;             // world model
3602         PRVM_serveredictfloat(ent, solid) = SOLID_BSP;
3603         PRVM_serveredictfloat(ent, movetype) = MOVETYPE_PUSH;
3604         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, mins));
3605         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, maxs));
3606         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, absmin));
3607         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, absmax));
3608
3609         if (coop.value)
3610                 PRVM_serverglobalfloat(coop) = coop.integer;
3611         else
3612                 PRVM_serverglobalfloat(deathmatch) = deathmatch.integer;
3613
3614         PRVM_serverglobalstring(mapname) = PRVM_SetEngineString(prog, sv.name);
3615
3616 // serverflags are for cross level information (sigils)
3617         PRVM_serverglobalfloat(serverflags) = svs.serverflags;
3618
3619         // we need to reset the spawned flag on all connected clients here so that
3620         // their thinks don't run during startup (before PutClientInServer)
3621         // we also need to set up the client entities now
3622         // and we need to set the ->edict pointers to point into the progs edicts
3623         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3624         {
3625                 host_client->begun = false;
3626                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3627                 PRVM_ED_ClearEdict(prog, host_client->edict);
3628         }
3629
3630         // load replacement entity file if found
3631         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va(vabuf, sizeof(vabuf), "%s.ent", sv.worldnamenoextension), tempmempool, true, NULL)))
3632         {
3633                 Con_Printf("Loaded %s.ent\n", sv.worldnamenoextension);
3634                 PRVM_ED_LoadFromFile(prog, entities);
3635                 Mem_Free(entities);
3636         }
3637         else
3638                 PRVM_ED_LoadFromFile(prog, sv.worldmodel->brush.entities);
3639
3640
3641         // LadyHavoc: clear world angles (to fix e3m3.bsp)
3642         VectorClear(PRVM_serveredictvector(prog->edicts, angles));
3643
3644 // all setup is completed, any further precache statements are errors
3645 //      sv.state = ss_active; // LadyHavoc: workaround for svc_precache bug
3646         prog->allowworldwrites = false;
3647
3648 // run two frames to allow everything to settle
3649         sv.time = 1.0001;
3650         for (i = 0;i < sv_init_frame_count.integer;i++)
3651         {
3652                 sv.frametime = 0.1;
3653                 SV_Physics ();
3654         }
3655
3656         // Once all init frames have been run, we consider svqc code fully initialized.
3657         prog->inittime = host.realtime;
3658
3659         if (cls.state == ca_dedicated)
3660                 Mod_PurgeUnused();
3661
3662 // create a baseline for more efficient communications
3663         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)
3664                 SV_CreateBaseline ();
3665
3666         sv.state = ss_active; // LadyHavoc: workaround for svc_precache bug
3667
3668 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3669         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3670         {
3671                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3672                 if (!host_client->active)
3673                         continue;
3674                 if (host_client->netconnection)
3675                         SV_SendServerinfo(host_client);
3676                 else
3677                 {
3678                         int j;
3679                         // if client is a botclient coming from a level change, we need to
3680                         // set up client info that normally requires networking
3681
3682                         // copy spawn parms out of the client_t
3683                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3684                                 (&PRVM_serverglobalfloat(parm1))[j] = host_client->spawn_parms[j];
3685
3686                         // call the spawn function
3687                         host_client->clientconnectcalled = true;
3688                         PRVM_serverglobalfloat(time) = sv.time;
3689                         PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3690                         prog->ExecuteProgram(prog, PRVM_serverfunction(ClientConnect), "QC function ClientConnect is missing");
3691                         prog->ExecuteProgram(prog, PRVM_serverfunction(PutClientInServer), "QC function PutClientInServer is missing");
3692                         host_client->begun = true;
3693                 }
3694         }
3695
3696         // update the map title cvar
3697         strlcpy(sv.worldmessage, PRVM_GetString(prog, PRVM_serveredictstring(prog->edicts, message)), sizeof(sv.worldmessage)); // map title (not related to filename)
3698         Cvar_SetQuick(&sv_worldmessage, sv.worldmessage);
3699
3700         Con_Printf("Server spawned.\n");
3701         NetConn_Heartbeat (2);
3702
3703         if(cls.state == ca_dedicated)
3704                 Sys_MakeProcessMean();
3705
3706 //      SV_UnlockThreadMutex();
3707 }
3708
3709 /*
3710 ==================
3711 SV_Shutdown
3712
3713 This only happens at the end of a game, not between levels
3714 ==================
3715 */
3716 void SV_Shutdown(void)
3717 {
3718         prvm_prog_t *prog = SVVM_prog;
3719         int i;
3720
3721         Con_DPrintf("SV_Shutdown\n");
3722
3723         if (!sv.active)
3724                 return;
3725
3726         NetConn_Heartbeat(2);
3727         NetConn_Heartbeat(2);
3728
3729 // make sure all the clients know we're disconnecting
3730         World_End(&sv.world);
3731         if(prog->loaded)
3732         {
3733                 if(PRVM_serverfunction(SV_Shutdown))
3734                 {
3735                         func_t s = PRVM_serverfunction(SV_Shutdown);
3736                         PRVM_serverglobalfloat(time) = sv.time;
3737                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
3738                         prog->ExecuteProgram(prog, s,"SV_Shutdown() required");
3739                 }
3740         }
3741         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3742                 if (host_client->active)
3743                         SV_DropClient(false); // server shutdown
3744
3745         NetConn_CloseServerPorts();
3746
3747         sv.active = false;
3748 //
3749 // clear structures
3750 //
3751         memset(&sv, 0, sizeof(sv));
3752         memset(svs.clients, 0, svs.maxclients*sizeof(client_t));
3753
3754         cl.islocalgame = false;
3755 }
3756
3757 /////////////////////////////////////////////////////
3758 // SV VM stuff
3759
3760 static void SVVM_begin_increase_edicts(prvm_prog_t *prog)
3761 {
3762         // links don't survive the transition, so unlink everything
3763         World_UnlinkAll(&sv.world);
3764 }
3765
3766 static void SVVM_end_increase_edicts(prvm_prog_t *prog)
3767 {
3768         int i;
3769         prvm_edict_t *ent;
3770
3771         // link every entity except world
3772         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
3773                 if (!ent->priv.server->free && !VectorCompare(PRVM_serveredictvector(ent, absmin), PRVM_serveredictvector(ent, absmax)))
3774                         SV_LinkEdict(ent);
3775 }
3776
3777 static void SVVM_init_edict(prvm_prog_t *prog, prvm_edict_t *e)
3778 {
3779         // LadyHavoc: for consistency set these here
3780         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3781
3782         e->priv.server->move = false; // don't move on first frame
3783
3784         if (num >= 0 && num < svs.maxclients)
3785         {
3786                 // set colormap and team on newly created player entity
3787                 PRVM_serveredictfloat(e, colormap) = num + 1;
3788                 PRVM_serveredictfloat(e, team) = (svs.clients[num].colors & 15) + 1;
3789                 // set netname/clientcolors back to client values so that
3790                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3791                 // reset them
3792                 PRVM_serveredictstring(e, netname) = PRVM_SetEngineString(prog, svs.clients[num].name);
3793                 PRVM_serveredictfloat(e, clientcolors) = svs.clients[num].colors;
3794                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3795                 PRVM_serveredictstring(e, playermodel) = PRVM_SetEngineString(prog, svs.clients[num].playermodel);
3796                 PRVM_serveredictstring(e, playerskin) = PRVM_SetEngineString(prog, svs.clients[num].playerskin);
3797                 // Assign netaddress (IP Address, etc)
3798                 if(svs.clients[num].netconnection != NULL)
3799                 {
3800                         // Acquire Readable Address
3801                         LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3802                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(prog, svs.clients[num].netaddress);
3803                 }
3804                 else
3805                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(prog, "null/botclient");
3806                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_idfp[0])
3807                         PRVM_serveredictstring(e, crypto_idfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.client_idfp);
3808                 else
3809                         PRVM_serveredictstring(e, crypto_idfp) = 0;
3810                 PRVM_serveredictfloat(e, crypto_idfp_signed) = (svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_issigned);
3811                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_keyfp[0])
3812                         PRVM_serveredictstring(e, crypto_keyfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.client_keyfp);
3813                 else
3814                         PRVM_serveredictstring(e, crypto_keyfp) = 0;
3815                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.server_keyfp[0])
3816                         PRVM_serveredictstring(e, crypto_mykeyfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.server_keyfp);
3817                 else
3818                         PRVM_serveredictstring(e, crypto_mykeyfp) = 0;
3819                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.use_aes)
3820                         PRVM_serveredictstring(e, crypto_encryptmethod) = PRVM_SetEngineString(prog, "AES128");
3821                 else
3822                         PRVM_serveredictstring(e, crypto_encryptmethod) = 0;
3823                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated)
3824                         PRVM_serveredictstring(e, crypto_signmethod) = PRVM_SetEngineString(prog, "HMAC-SHA256");
3825                 else
3826                         PRVM_serveredictstring(e, crypto_signmethod) = 0;
3827         }
3828 }
3829
3830 static void SVVM_free_edict(prvm_prog_t *prog, prvm_edict_t *ed)
3831 {
3832         int i;
3833         int e;
3834
3835         World_UnlinkEdict(ed);          // unlink from world bsp
3836
3837         PRVM_serveredictstring(ed, model) = 0;
3838         PRVM_serveredictfloat(ed, takedamage) = 0;
3839         PRVM_serveredictfloat(ed, modelindex) = 0;
3840         PRVM_serveredictfloat(ed, colormap) = 0;
3841         PRVM_serveredictfloat(ed, skin) = 0;
3842         PRVM_serveredictfloat(ed, frame) = 0;
3843         VectorClear(PRVM_serveredictvector(ed, origin));
3844         VectorClear(PRVM_serveredictvector(ed, angles));
3845         PRVM_serveredictfloat(ed, nextthink) = -1;
3846         PRVM_serveredictfloat(ed, solid) = 0;
3847
3848         VM_RemoveEdictSkeleton(prog, ed);
3849         World_Physics_RemoveFromEntity(&sv.world, ed);
3850         World_Physics_RemoveJointFromEntity(&sv.world, ed);
3851
3852         // make sure csqc networking is aware of the removed entity
3853         e = PRVM_NUM_FOR_EDICT(ed);
3854         sv.csqcentityversion[e] = 0;
3855         for (i = 0;i < svs.maxclients;i++)
3856                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3857 }
3858
3859 static void SVVM_count_edicts(prvm_prog_t *prog)
3860 {
3861         int             i;
3862         prvm_edict_t    *ent;
3863         int             active, models, solid, step;
3864
3865         active = models = solid = step = 0;
3866         for (i=0 ; i<prog->num_edicts ; i++)
3867         {
3868                 ent = PRVM_EDICT_NUM(i);
3869                 if (ent->priv.server->free)
3870                         continue;
3871                 active++;
3872                 if (PRVM_serveredictfloat(ent, solid))
3873                         solid++;
3874                 if (PRVM_serveredictstring(ent, model))
3875                         models++;
3876                 if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
3877                         step++;
3878         }
3879
3880         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3881         Con_Printf("active    :%3i\n", active);
3882         Con_Printf("view      :%3i\n", models);
3883         Con_Printf("touch     :%3i\n", solid);
3884         Con_Printf("step      :%3i\n", step);
3885 }
3886
3887 static qbool SVVM_load_edict(prvm_prog_t *prog, prvm_edict_t *ent)
3888 {
3889         // remove things from different skill levels or deathmatch
3890         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3891         {
3892                 if (deathmatch.integer)
3893                 {
3894                         if (((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_DEATHMATCH))
3895                         {
3896                                 return false;
3897                         }
3898                 }
3899                 else if ((current_skill <= 0 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_EASY  ))
3900                         || (current_skill == 1 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_MEDIUM))
3901                         || (current_skill >= 2 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_HARD  )))
3902                 {
3903                         return false;
3904                 }
3905         }
3906         return true;
3907 }
3908
3909 static void SV_VM_Setup(void)
3910 {
3911         prvm_prog_t *prog = SVVM_prog;
3912         PRVM_Prog_Init(prog, &cmd_server);
3913
3914         // allocate the mempools
3915         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3916         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3917         prog->builtins = vm_sv_builtins;
3918         prog->numbuiltins = vm_sv_numbuiltins;
3919         prog->max_edicts = 512;
3920         if (sv.protocol == PROTOCOL_QUAKE)
3921                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3922         else if (sv.protocol == PROTOCOL_QUAKEDP)
3923                 prog->limit_edicts = 2048; // guessing
3924         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3925                 prog->limit_edicts = 2048; // guessing!
3926         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3927                 prog->limit_edicts = 4096; // guessing!
3928         else
3929                 prog->limit_edicts = MAX_EDICTS;
3930         prog->reserved_edicts = svs.maxclients;
3931         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3932         prog->name = "server";
3933         prog->extensionstring = vm_sv_extensions;
3934         prog->loadintoworld = true;
3935
3936         // all callbacks must be defined (pointers are not checked before calling)
3937         prog->begin_increase_edicts = SVVM_begin_increase_edicts;
3938         prog->end_increase_edicts   = SVVM_end_increase_edicts;
3939         prog->init_edict            = SVVM_init_edict;
3940         prog->free_edict            = SVVM_free_edict;
3941         prog->count_edicts          = SVVM_count_edicts;
3942         prog->load_edict            = SVVM_load_edict;
3943         prog->init_cmd              = SVVM_init_cmd;
3944         prog->reset_cmd             = SVVM_reset_cmd;
3945         prog->error_cmd             = Host_Error;
3946         prog->ExecuteProgram        = SVVM_ExecuteProgram;
3947
3948         PRVM_Prog_Load(prog, sv_progs.string, NULL, 0, SV_REQFUNCS, sv_reqfuncs, SV_REQFIELDS, sv_reqfields, SV_REQGLOBALS, sv_reqglobals);
3949
3950         // some mods compiled with scrambling compilers lack certain critical
3951         // global names and field names such as "self" and "time" and "nextthink"
3952         // so we have to set these offsets manually, matching the entvars_t
3953         // but we only do this if the prog header crc matches, otherwise it's totally freeform
3954         if (prog->progs_crc == PROGHEADER_CRC || prog->progs_crc == PROGHEADER_CRC_TENEBRAE)
3955         {
3956                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, modelindex);
3957                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmin);
3958                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmax);
3959                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ltime);
3960                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movetype);
3961                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, solid);
3962                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, origin);
3963                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, oldorigin);
3964                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, velocity);
3965                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3966                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, avelocity);
3967                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, punchangle);
3968                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3969                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, model);
3970                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3971                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, skin);
3972                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, effects);
3973                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, mins);
3974                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, maxs);
3975                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, size);
3976                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, touch);
3977                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, use);
3978                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3979                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, blocked);
3980                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3981                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3982                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, health);
3983                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frags);
3984                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weapon);
3985                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponmodel);
3986                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponframe);
3987                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, currentammo);
3988                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_shells);
3989                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_nails);
3990                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_rockets);
3991                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_cells);
3992                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, items);
3993                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, takedamage);
3994                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3995                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, deadflag);
3996                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, view_ofs);
3997                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button0);
3998                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button1);
3999                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button2);
4000                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, impulse);
4001                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, fixangle);
4002                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, v_angle);
4003                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, idealpitch);
4004                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, netname);
4005                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, enemy);
4006                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, flags);
4007                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, colormap);
4008                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, team);
4009                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, max_health);
4010                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, teleport_time);
4011                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armortype);
4012                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armorvalue);
4013                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, waterlevel);
4014                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, watertype);
4015                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
4016                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
4017                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, aiment);
4018                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, goalentity);
4019                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, spawnflags);
4020                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, target);
4021                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, targetname);
4022                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_take);
4023                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_save);
4024                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_inflictor);
4025                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, owner);
4026                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movedir);
4027                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, message);
4028                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, sounds);
4029                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise);
4030                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise1);
4031                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise2);
4032                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise3);
4033                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
4034                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, other);
4035                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, world);
4036                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
4037                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, frametime);
4038                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, force_retouch);
4039                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, mapname);
4040                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, deathmatch);
4041                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, coop);
4042                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, teamplay);
4043                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, serverflags);
4044                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_secrets);
4045                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_monsters);
4046                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, found_secrets);
4047                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, killed_monsters);
4048                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm1);
4049                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm2);
4050                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm3);
4051                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm4);
4052                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm5);
4053                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm6);
4054                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm7);
4055                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm8);
4056                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm9);
4057                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm10);
4058                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm11);
4059                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm12);
4060                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm13);
4061                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm14);
4062                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm15);
4063                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm16);
4064                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
4065                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
4066                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
4067                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
4068                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
4069                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
4070                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
4071                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
4072                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
4073                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
4074                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
4075                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
4076                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, msg_entity);
4077 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, main);
4078 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, StartFrame);
4079 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPreThink);
4080 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPostThink);
4081 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientKill);
4082 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientConnect);
4083 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PutClientInServer);
4084 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientDisconnect);
4085 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetNewParms);
4086 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetChangeParms);
4087         }
4088         else
4089                 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);
4090
4091         // OP_STATE is always supported on server because we add fields/globals for it
4092         prog->flag |= PRVM_OP_STATE;
4093
4094         VM_CustomStats_Clear();//[515]: csqc
4095
4096         SV_Prepare_CSQC();
4097 }
4098
4099 extern cvar_t host_maxwait;
4100 extern cvar_t host_framerate;
4101 extern cvar_t cl_maxphysicsframesperserverframe;
4102 double SV_Frame(double time)
4103 {
4104         static double sv_timer;
4105         int i;
4106         char vabuf[1024];
4107         qbool playing = false;
4108
4109         if (!svs.threaded)
4110         {
4111                 svs.perf_acc_sleeptime = host.sleeptime;
4112                 svs.perf_acc_realtime += time;
4113
4114                 // Look for clients who have spawned
4115                 for (i = 0, host_client = svs.clients; i < svs.maxclients; i++, host_client++)
4116                         if(host_client->begun && host_client->netconnection)
4117                                 playing = true;
4118
4119                 if(svs.perf_acc_realtime > 5)
4120                 {
4121                         svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
4122                         svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
4123
4124                         if(svs.perf_acc_offset_samples > 0)
4125                         {
4126                                 svs.perf_offset_max = svs.perf_acc_offset_max;
4127                                 svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
4128                                 svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
4129                         }
4130
4131                         if(svs.perf_lost > 0 && developer_extra.integer && playing) // only complain if anyone is looking
4132                                 Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport(vabuf, sizeof(vabuf)));
4133                 }
4134
4135                 if(svs.perf_acc_realtime > 5 || sv.time < 10)
4136                 {
4137                         /*
4138                          * Don't accumulate time for the first 10 seconds of a match
4139                          * so things can settle
4140                          */
4141                         svs.perf_acc_realtime = svs.perf_acc_sleeptime =
4142                         svs.perf_acc_lost = svs.perf_acc_offset =
4143                         svs.perf_acc_offset_squared = svs.perf_acc_offset_max =
4144                         svs.perf_acc_offset_samples = host.sleeptime = 0;
4145                 }
4146
4147                 /*
4148                  * Receive packets on each main loop iteration, as the main loop may
4149                  * be undersleeping due to select() detecting a new packet
4150                  */
4151                 if (sv.active)
4152                         NetConn_ServerFrame();
4153         }
4154
4155         /*
4156          * If the accumulator hasn't become positive, don't
4157          * run the frame. Everything that happens before this
4158          * point will happen even if we're sleeping this frame.
4159          */
4160         if((sv_timer += time) < 0)
4161                 return sv_timer;
4162
4163         // limit the frametime steps to no more than 100ms each
4164         if (sv_timer > 0.1)
4165         {
4166                 if (!svs.threaded)
4167                         svs.perf_acc_lost += (sv_timer - 0.1);
4168                 sv_timer = 0.1;
4169         }
4170
4171         if (sv.active && sv_timer > 0 && !svs.threaded)
4172         {
4173                 /*
4174                  * Execute one or more server frames, with an upper limit on how much
4175                  * execution time to spend on server frames to avoid freezing the game if
4176                  * the server is overloaded. This execution time limit means the game will
4177                  * slow down if the server is taking too long.
4178                  */
4179                 int framecount, framelimit = 1;
4180                 double advancetime, aborttime = 0;
4181                 float offset;
4182                 prvm_prog_t *prog = SVVM_prog;
4183
4184                 // run the world state
4185                 // don't allow simulation to run too fast or too slow or logic glitches can occur
4186
4187                 // stop running server frames if the wall time reaches this value
4188                 if (sys_ticrate.value <= 0)
4189                         advancetime = sv_timer;
4190                 else
4191                 {
4192                         advancetime = sys_ticrate.value;
4193                         // listen servers can run multiple server frames per client frame
4194                         framelimit = cl_maxphysicsframesperserverframe.integer;
4195                         aborttime = Sys_DirtyTime() + 0.1;
4196                 }
4197
4198                 if(host_timescale.value > 0 && host_timescale.value < 1)
4199                         advancetime = min(advancetime, 0.1 / host_timescale.value);
4200                 else
4201                         advancetime = min(advancetime, 0.1);
4202
4203                 if(advancetime > 0)
4204                 {
4205                         offset = Sys_DirtyTime() - host.dirtytime;
4206                         if (offset < 0 || offset >= 1800)
4207                                 offset = 0;
4208
4209                         offset += sv_timer;
4210                         ++svs.perf_acc_offset_samples;
4211                         svs.perf_acc_offset += offset;
4212                         svs.perf_acc_offset_squared += offset * offset;
4213
4214                         if(svs.perf_acc_offset_max < offset)
4215                                 svs.perf_acc_offset_max = offset;
4216                 }
4217
4218                 // only advance time if not paused
4219                 // the game also pauses in singleplayer when menu or console is used
4220                 sv.frametime = advancetime * host_timescale.value;
4221                 if (host_framerate.value)
4222                         sv.frametime = host_framerate.value;
4223                 if (sv.paused || host.paused)
4224                         sv.frametime = 0;
4225
4226                 for (framecount = 0; framecount < framelimit && sv_timer > 0; framecount++)
4227                 {
4228                         sv_timer -= advancetime;
4229
4230                         // move things around and think unless paused
4231                         if (sv.frametime)
4232                                 SV_Physics();
4233
4234                         // if this server frame took too long, break out of the loop
4235                         if (framelimit > 1 && Sys_DirtyTime() >= aborttime)
4236                                 break;
4237                 }
4238
4239                 R_TimeReport("serverphysics");
4240
4241                 // send all messages to the clients
4242                 SV_SendClientMessages();
4243
4244                 if (sv.paused == 1 && host.realtime > sv.pausedstart && sv.pausedstart > 0) {
4245                         prog->globals.fp[OFS_PARM0] = host.realtime - sv.pausedstart;
4246                         PRVM_serverglobalfloat(time) = sv.time;
4247                         prog->ExecuteProgram(prog, PRVM_serverfunction(SV_PausedTic), "QC function SV_PausedTic is missing");
4248                 }
4249
4250                 // send an heartbeat if enough time has passed since the last one
4251                 NetConn_Heartbeat(0);
4252                 R_TimeReport("servernetwork");
4253         }
4254         else
4255         {
4256                 // don't let r_speeds display jump around
4257                 R_TimeReport("serverphysics");
4258                 R_TimeReport("servernetwork");
4259         }
4260
4261         // if there is some time remaining from this frame, reset the timer
4262         if (sv_timer >= 0)
4263         {
4264                 if (!svs.threaded)
4265                         svs.perf_acc_lost += sv_timer;
4266                 sv_timer = 0;
4267         }
4268
4269         return sv_timer;
4270 }
4271
4272 static int SV_ThreadFunc(void *voiddata)
4273 {
4274         prvm_prog_t *prog = SVVM_prog;
4275         qbool playing = false;
4276         double sv_timer = 0;
4277         double sv_deltarealtime, sv_oldrealtime, sv_realtime;
4278         double wait;
4279         int i;
4280         char vabuf[1024];
4281         sv_realtime = Sys_DirtyTime();
4282         while (!svs.threadstop)
4283         {
4284                 // FIXME: we need to handle Host_Error in the server thread somehow
4285 //              if (setjmp(sv_abortframe))
4286 //                      continue;                       // something bad happened in the server game
4287
4288                 sv_oldrealtime = sv_realtime;
4289                 sv_realtime = Sys_DirtyTime();
4290                 sv_deltarealtime = sv_realtime - sv_oldrealtime;
4291                 if (sv_deltarealtime < 0 || sv_deltarealtime >= 1800) sv_deltarealtime = 0;
4292
4293                 sv_timer += sv_deltarealtime;
4294
4295                 svs.perf_acc_realtime += sv_deltarealtime;
4296
4297                 // 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)
4298                 SV_LockThreadMutex();
4299
4300                 // Look for clients who have spawned
4301                 playing = false;
4302                 if (sv.active)
4303                         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
4304                                 if(host_client->begun)
4305                                         if(host_client->netconnection)
4306                                                 playing = true;
4307                 if(sv.time < 10)
4308                 {
4309                         // don't accumulate time for the first 10 seconds of a match
4310                         // so things can settle
4311                         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;
4312                 }
4313                 else if(svs.perf_acc_realtime > 5)
4314                 {
4315                         svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
4316                         svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
4317                         if(svs.perf_acc_offset_samples > 0)
4318                         {
4319                                 svs.perf_offset_max = svs.perf_acc_offset_max;
4320                                 svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
4321                                 svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
4322                         }
4323                         if(svs.perf_lost > 0 && developer_extra.integer)
4324                                 if(playing)
4325                                         Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport(vabuf, sizeof(vabuf)));
4326                         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;
4327                 }
4328
4329                 // get new packets
4330                 if (sv.active)
4331                         NetConn_ServerFrame();
4332
4333                 // if the accumulators haven't become positive yet, wait a while
4334                 wait = sv_timer * -1000000.0;
4335                 if (wait >= 1)
4336                 {
4337                         double time0, delta;
4338                         SV_UnlockThreadMutex(); // don't keep mutex locked while sleeping
4339                         if (host_maxwait.value <= 0)
4340                                 wait = min(wait, 1000000.0);
4341                         else
4342                                 wait = min(wait, host_maxwait.value * 1000.0);
4343                         if(wait < 1)
4344                                 wait = 1; // because we cast to int
4345                         time0 = Sys_DirtyTime();
4346                         Sys_Sleep((int)wait);
4347                         delta = Sys_DirtyTime() - time0;if (delta < 0 || delta >= 1800) delta = 0;
4348                         svs.perf_acc_sleeptime += delta;
4349                         continue;
4350                 }
4351
4352                 if (sv.active && sv_timer > 0)
4353                 {
4354                         // execute one server frame
4355                         double advancetime;
4356                         float offset;
4357
4358                         if (sys_ticrate.value <= 0)
4359                                 advancetime = min(sv_timer, 0.1); // don't step more than 100ms
4360                         else
4361                                 advancetime = sys_ticrate.value;
4362
4363                         if(advancetime > 0)
4364                         {
4365                                 offset = sv_timer + (Sys_DirtyTime() - sv_realtime); // LadyHavoc: FIXME: I don't understand this line
4366                                 ++svs.perf_acc_offset_samples;
4367                                 svs.perf_acc_offset += offset;
4368                                 svs.perf_acc_offset_squared += offset * offset;
4369                                 if(svs.perf_acc_offset_max < offset)
4370                                         svs.perf_acc_offset_max = offset;
4371                         }
4372
4373                         // only advance time if not paused
4374                         // the game also pauses in singleplayer when menu or console is used
4375                         sv.frametime = advancetime * host_timescale.value;
4376                         if (host_framerate.value)
4377                                 sv.frametime = host_framerate.value;
4378                         if (sv.paused || host.paused)
4379                                 sv.frametime = 0;
4380
4381                         sv_timer -= advancetime;
4382
4383                         // move things around and think unless paused
4384                         if (sv.frametime)
4385                                 SV_Physics();
4386
4387                         // send all messages to the clients
4388                         SV_SendClientMessages();
4389
4390                         if (sv.paused == 1 && sv_realtime > sv.pausedstart && sv.pausedstart > 0)
4391                         {
4392                                 PRVM_serverglobalfloat(time) = sv.time;
4393                                 prog->globals.fp[OFS_PARM0] = sv_realtime - sv.pausedstart;
4394                                 prog->ExecuteProgram(prog, PRVM_serverfunction(SV_PausedTic), "QC function SV_PausedTic is missing");
4395                         }
4396
4397                         // send an heartbeat if enough time has passed since the last one
4398                         NetConn_Heartbeat(0);
4399
4400                 }
4401
4402                 // we're back to safe code now
4403                 SV_UnlockThreadMutex();
4404
4405                 // if there is some time remaining from this frame, reset the timers
4406                 if (sv_timer >= 0)
4407                 {
4408                         svs.perf_acc_lost += sv_timer;
4409                         sv_timer = 0;
4410                 }
4411         }
4412         return 0;
4413 }
4414
4415 void SV_StartThread(void)
4416 {
4417         if (!sv_threaded.integer || !Thread_HasThreads())
4418                 return;
4419         svs.threaded = true;
4420         svs.threadstop = false;
4421         svs.threadmutex = Thread_CreateMutex();
4422         svs.thread = Thread_CreateThread(SV_ThreadFunc, NULL);
4423 }
4424
4425 void SV_StopThread(void)
4426 {
4427         if (!svs.threaded)
4428                 return;
4429         svs.threadstop = true;
4430         Thread_WaitThread(svs.thread, 0);
4431         Thread_DestroyMutex(svs.threadmutex);
4432         svs.threaded = false;
4433 }