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