sv_main.c

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