sv_main.c

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