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