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                 client->csqcentityglobalhistory[i] = 0;
 918         }
 919         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
 920         {
 921                 client->csqcentityframehistory[i].num = 0;
 922                 client->csqcentityframehistory[i].framenum = -1;
 923         }
 924         client->csqcnumedicts = 0;
 925         client->csqcentityframehistory_next = 0;
 926
 927         SZ_Clear (&client->netconnection->message);
 928         MSG_WriteByte (&client->netconnection->message, svc_print);
 929         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)\n", gamename, buildstring, prog->filecrc);
 930         MSG_WriteString (&client->netconnection->message,message);
 931
 932         SV_StopDemoRecording(client); // to split up demos into different files
 933         if(sv_autodemo_perclient.integer && client->netconnection)
 934         {
 935                 char demofile[MAX_OSPATH];
 936                 char ipaddress[MAX_QPATH];
 937                 size_t i;
 938
 939                 // start a new demo file
 940                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
 941                 for(i = 0; ipaddress[i]; ++i)
 942                         if(!isalnum(ipaddress[i]))
 943                                 ipaddress[i] = '-';
 944                 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);
 945
 946                 SV_StartDemoRecording(client, demofile, -1);
 947         }
 948
 949         //[515]: init csprogs according to version of svprogs, check the crc, etc.
 950         if (sv.csqc_progname[0])
 951         {
 952                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
 953                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 954                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progname %s\n", sv.csqc_progname));
 955                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 956                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progsize %i\n", sv.csqc_progsize));
 957                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 958                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progcrc %i\n", sv.csqc_progcrc));
 959
 960                 if(client->sv_demo_file != NULL)
 961                 {
 962                         int i;
 963                         static char buf[NET_MAXMESSAGE];
 964                         sizebuf_t sb;
 965
 966                         sb.data = (unsigned char *) buf;
 967                         sb.maxsize = sizeof(buf);
 968                         i = 0;
 969                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, i++, &sb, sv.protocol))
 970                                 SV_WriteDemoMessage(client, &sb, false);
 971                 }
 972
 973                 //[515]: init stufftext string (it is sent before svc_serverinfo)
 974                 if (PRVM_GetString(prog, PRVM_serverglobalstring(SV_InitCmd)))
 975                 {
 976                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 977                         MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "%s\n", PRVM_GetString(prog, PRVM_serverglobalstring(SV_InitCmd))));
 978                 }
 979         }
 980
 981         //if (sv_allowdownloads.integer)
 982         // always send the info that the server supports the protocol, even if downloads are forbidden
 983         // only because of that, the CSQC exception can work
 984         {
 985                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 986                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
 987         }
 988
 989         // send at this time so it's guaranteed to get executed at the right time
 990         {
 991                 client_t *save;
 992                 save = host_client;
 993                 host_client = client;
 994                 Curl_SendRequirements();
 995                 host_client = save;
 996         }
 997
 998         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
 999         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
1000         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
1001
1002         if (!coop.integer && deathmatch.integer)
1003                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
1004         else
1005                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
1006
1007         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog, PRVM_serveredictstring(prog->edicts, message)));
1008
1009         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
1010                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
1011         MSG_WriteByte (&client->netconnection->message, 0);
1012
1013         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
1014                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
1015         MSG_WriteByte (&client->netconnection->message, 0);
1016
1017 // send music
1018         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
1019         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
1020         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
1021
1022 // set view
1023 // store this in clientcamera, too
1024         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
1025         MSG_WriteByte (&client->netconnection->message, svc_setview);
1026         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
1027
1028         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
1029         MSG_WriteByte (&client->netconnection->message, 1);
1030
1031         client->prespawned = false;             // need prespawn, spawn, etc
1032         client->spawned = false;                // need prespawn, spawn, etc
1033         client->begun = false;                  // need prespawn, spawn, etc
1034         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
1035
1036         // clear movement info until client enters the new level properly
1037         memset(&client->cmd, 0, sizeof(client->cmd));
1038         client->movesequence = 0;
1039         client->movement_highestsequence_seen = 0;
1040         memset(&client->movement_count, 0, sizeof(client->movement_count));
1041 #ifdef NUM_PING_TIMES
1042         for (i = 0;i < NUM_PING_TIMES;i++)
1043                 client->ping_times[i] = 0;
1044         client->num_pings = 0;
1045 #endif
1046         client->ping = 0;
1047
1048         // allow the client some time to send his keepalives, even if map loading took ages
1049         client->netconnection->timeout = realtime + net_connecttimeout.value;
1050 }
1051
1052 /*
1053 ================
1054 SV_ConnectClient
1055
1056 Initializes a client_t for a new net connection.  This will only be called
1057 once for a player each game, not once for each level change.
1058 ================
1059 */
1060 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
1061 {
1062         prvm_prog_t *prog = SVVM_prog;
1063         client_t                *client;
1064         int                             i;
1065
1066         client = svs.clients + clientnum;
1067
1068 // set up the client_t
1069         if (sv.loadgame)
1070         {
1071                 float backupparms[NUM_SPAWN_PARMS];
1072                 memcpy(backupparms, client->spawn_parms, sizeof(backupparms));
1073                 memset(client, 0, sizeof(*client));
1074                 memcpy(client->spawn_parms, backupparms, sizeof(backupparms));
1075         }
1076         else
1077                 memset(client, 0, sizeof(*client));
1078         client->active = true;
1079         client->netconnection = netconnection;
1080
1081         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
1082
1083         if(client->netconnection && client->netconnection->crypto.authenticated)
1084         {
1085                 Con_Printf("%s connection to %s has been established: client is %s@%.*s, I am %.*s@%.*s\n",
1086                                 client->netconnection->crypto.use_aes ? "Encrypted" : "Authenticated",
1087                                 client->netconnection->address,
1088                                 client->netconnection->crypto.client_idfp[0] ? client->netconnection->crypto.client_idfp : "-",
1089                                 crypto_keyfp_recommended_length, client->netconnection->crypto.client_keyfp[0] ? client->netconnection->crypto.client_keyfp : "-",
1090                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_idfp[0] ? client->netconnection->crypto.server_idfp : "-",
1091                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_keyfp[0] ? client->netconnection->crypto.server_keyfp : "-"
1092                                 );
1093         }
1094
1095         strlcpy(client->name, "unconnected", sizeof(client->name));
1096         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
1097         client->prespawned = false;
1098         client->spawned = false;
1099         client->begun = false;
1100         client->edict = PRVM_EDICT_NUM(clientnum+1);
1101         if (client->netconnection)
1102                 client->netconnection->message.allowoverflow = true;            // we can catch it
1103         // prepare the unreliable message buffer
1104         client->unreliablemsg.data = client->unreliablemsg_data;
1105         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
1106         // updated by receiving "rate" command from client, this is also the default if not using a DP client
1107         client->rate = 1000000000;
1108         client->connecttime = realtime;
1109
1110         if (!sv.loadgame)
1111         {
1112                 // call the progs to get default spawn parms for the new client
1113                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
1114                 PRVM_serverglobalfloat(time) = sv.time;
1115                 PRVM_serverglobaledict(self) = 0;
1116                 prog->ExecuteProgram(prog, PRVM_serverfunction(SetNewParms), "QC function SetNewParms is missing");
1117                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1118                         client->spawn_parms[i] = (&PRVM_serverglobalfloat(parm1))[i];
1119
1120                 // set up the entity for this client (including .colormap, .team, etc)
1121                 PRVM_ED_ClearEdict(prog, client->edict);
1122         }
1123
1124         // don't call SendServerinfo for a fresh botclient because its fields have
1125         // not been set up by the qc yet
1126         if (client->netconnection)
1127                 SV_SendServerinfo (client);
1128         else
1129                 client->prespawned = client->spawned = client->begun = true;
1130 }
1131
1132
1133 /*
1134 ===============================================================================
1135
1136 FRAME UPDATES
1137
1138 ===============================================================================
1139 */
1140
1141 /*
1142 =============================================================================
1143
1144 The PVS must include a small area around the client to allow head bobbing
1145 or other small motion on the client side.  Otherwise, a bob might cause an
1146 entity that should be visible to not show up, especially when the bob
1147 crosses a waterline.
1148
1149 =============================================================================
1150 */
1151
1152 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1153 {
1154         prvm_prog_t *prog = SVVM_prog;
1155         int i;
1156         unsigned int sendflags;
1157         unsigned int version;
1158         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1159         unsigned int customizeentityforclient;
1160         unsigned int sendentity;
1161         float f;
1162         prvm_vec_t *v;
1163         vec3_t cullmins, cullmaxs;
1164         dp_model_t *model;
1165
1166         // fast path for games that do not use legacy entity networking
1167         // note: still networks clients even if they are legacy
1168         sendentity = PRVM_serveredictfunction(ent, SendEntity);
1169         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1170                 return false;
1171
1172         // this 2 billion unit check is actually to detect NAN origins
1173         // (we really don't want to send those)
1174         if (!(VectorLength2(PRVM_serveredictvector(ent, origin)) < 2000000000.0*2000000000.0))
1175                 return false;
1176
1177         // EF_NODRAW prevents sending for any reason except for your own
1178         // client, so we must keep all clients in this superset
1179         effects = (unsigned)PRVM_serveredictfloat(ent, effects);
1180
1181         // we can omit invisible entities with no effects that are not clients
1182         // LordHavoc: this could kill tags attached to an invisible entity, I
1183         // just hope we never have to support that case
1184         i = (int)PRVM_serveredictfloat(ent, modelindex);
1185         modelindex = (i >= 1 && i < MAX_MODELS && PRVM_serveredictstring(ent, model) && *PRVM_GetString(prog, PRVM_serveredictstring(ent, model)) && sv.models[i]) ? i : 0;
1186
1187         flags = 0;
1188         i = (int)(PRVM_serveredictfloat(ent, glow_size) * 0.25f);
1189         glowsize = (unsigned char)bound(0, i, 255);
1190         if (PRVM_serveredictfloat(ent, glow_trail))
1191                 flags |= RENDER_GLOWTRAIL;
1192         if (PRVM_serveredictedict(ent, viewmodelforclient))
1193                 flags |= RENDER_VIEWMODEL;
1194
1195         v = PRVM_serveredictvector(ent, color);
1196         f = v[0]*256;
1197         light[0] = (unsigned short)bound(0, f, 65535);
1198         f = v[1]*256;
1199         light[1] = (unsigned short)bound(0, f, 65535);
1200         f = v[2]*256;
1201         light[2] = (unsigned short)bound(0, f, 65535);
1202         f = PRVM_serveredictfloat(ent, light_lev);
1203         light[3] = (unsigned short)bound(0, f, 65535);
1204         lightstyle = (unsigned char)PRVM_serveredictfloat(ent, style);
1205         lightpflags = (unsigned char)PRVM_serveredictfloat(ent, pflags);
1206
1207         if (gamemode == GAME_TENEBRAE)
1208         {
1209                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1210                 if (effects & 16)
1211                 {
1212                         effects &= ~16;
1213                         lightpflags |= PFLAGS_FULLDYNAMIC;
1214                 }
1215                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1216                 if (effects & 32)
1217                 {
1218                         effects &= ~32;
1219                         light[0] = (int)(0.2*256);
1220                         light[1] = (int)(1.0*256);
1221                         light[2] = (int)(0.2*256);
1222                         light[3] = 200;
1223                         lightpflags |= PFLAGS_FULLDYNAMIC;
1224                 }
1225         }
1226
1227         specialvisibilityradius = 0;
1228         if (lightpflags & PFLAGS_FULLDYNAMIC)
1229                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1230         if (glowsize)
1231                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1232         if (flags & RENDER_GLOWTRAIL)
1233                 specialvisibilityradius = max(specialvisibilityradius, 100);
1234         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1235         {
1236                 if (effects & EF_BRIGHTFIELD)
1237                         specialvisibilityradius = max(specialvisibilityradius, 80);
1238                 if (effects & EF_MUZZLEFLASH)
1239                         specialvisibilityradius = max(specialvisibilityradius, 100);
1240                 if (effects & EF_BRIGHTLIGHT)
1241                         specialvisibilityradius = max(specialvisibilityradius, 400);
1242                 if (effects & EF_DIMLIGHT)
1243                         specialvisibilityradius = max(specialvisibilityradius, 200);
1244                 if (effects & EF_RED)
1245                         specialvisibilityradius = max(specialvisibilityradius, 200);
1246                 if (effects & EF_BLUE)
1247                         specialvisibilityradius = max(specialvisibilityradius, 200);
1248                 if (effects & EF_FLAME)
1249                         specialvisibilityradius = max(specialvisibilityradius, 250);
1250                 if (effects & EF_STARDUST)
1251                         specialvisibilityradius = max(specialvisibilityradius, 100);
1252         }
1253
1254         // early culling checks
1255         // (final culling is done by SV_MarkWriteEntityStateToClient)
1256         customizeentityforclient = PRVM_serveredictfunction(ent, customizeentityforclient);
1257         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1258                 return false;
1259
1260         *cs = defaultstate;
1261         cs->active = ACTIVE_NETWORK;
1262         cs->number = enumber;
1263         VectorCopy(PRVM_serveredictvector(ent, origin), cs->origin);
1264         VectorCopy(PRVM_serveredictvector(ent, angles), cs->angles);
1265         cs->flags = flags;
1266         cs->effects = effects;
1267         cs->colormap = (unsigned)PRVM_serveredictfloat(ent, colormap);
1268         cs->modelindex = modelindex;
1269         cs->skin = (unsigned)PRVM_serveredictfloat(ent, skin);
1270         cs->frame = (unsigned)PRVM_serveredictfloat(ent, frame);
1271         cs->viewmodelforclient = PRVM_serveredictedict(ent, viewmodelforclient);
1272         cs->exteriormodelforclient = PRVM_serveredictedict(ent, exteriormodeltoclient);
1273         cs->nodrawtoclient = PRVM_serveredictedict(ent, nodrawtoclient);
1274         cs->drawonlytoclient = PRVM_serveredictedict(ent, drawonlytoclient);
1275         cs->customizeentityforclient = customizeentityforclient;
1276         cs->tagentity = PRVM_serveredictedict(ent, tag_entity);
1277         cs->tagindex = (unsigned char)PRVM_serveredictfloat(ent, tag_index);
1278         cs->glowsize = glowsize;
1279         cs->traileffectnum = PRVM_serveredictfloat(ent, traileffectnum);
1280
1281         // don't need to init cs->colormod because the defaultstate did that for us
1282         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1283         v = PRVM_serveredictvector(ent, colormod);
1284         if (VectorLength2(v))
1285         {
1286                 i = (int)(v[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1287                 i = (int)(v[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1288                 i = (int)(v[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1289         }
1290
1291         // don't need to init cs->glowmod because the defaultstate did that for us
1292         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1293         v = PRVM_serveredictvector(ent, glowmod);
1294         if (VectorLength2(v))
1295         {
1296                 i = (int)(v[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1297                 i = (int)(v[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1298                 i = (int)(v[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1299         }
1300
1301         cs->modelindex = modelindex;
1302
1303         cs->alpha = 255;
1304         f = (PRVM_serveredictfloat(ent, alpha) * 255.0f);
1305         if (f)
1306         {
1307                 i = (int)f;
1308                 cs->alpha = (unsigned char)bound(0, i, 255);
1309         }
1310         // halflife
1311         f = (PRVM_serveredictfloat(ent, renderamt));
1312         if (f)
1313         {
1314                 i = (int)f;
1315                 cs->alpha = (unsigned char)bound(0, i, 255);
1316         }
1317
1318         cs->scale = 16;
1319         f = (PRVM_serveredictfloat(ent, scale) * 16.0f);
1320         if (f)
1321         {
1322                 i = (int)f;
1323                 cs->scale = (unsigned char)bound(0, i, 255);
1324         }
1325
1326         cs->glowcolor = 254;
1327         f = PRVM_serveredictfloat(ent, glow_color);
1328         if (f)
1329                 cs->glowcolor = (int)f;
1330
1331         if (PRVM_serveredictfloat(ent, fullbright))
1332                 cs->effects |= EF_FULLBRIGHT;
1333
1334         f = PRVM_serveredictfloat(ent, modelflags);
1335         if (f)
1336                 cs->effects |= ((unsigned int)f & 0xff) << 24;
1337
1338         if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
1339                 cs->flags |= RENDER_STEP;
1340         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)
1341                 cs->flags |= RENDER_LOWPRECISION;
1342         if (PRVM_serveredictfloat(ent, colormap) >= 1024)
1343                 cs->flags |= RENDER_COLORMAPPED;
1344         if (cs->viewmodelforclient)
1345                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1346
1347         if (PRVM_serveredictfloat(ent, sendcomplexanimation))
1348         {
1349                 cs->flags |= RENDER_COMPLEXANIMATION;
1350                 if (PRVM_serveredictfloat(ent, skeletonindex) >= 1)
1351                         cs->skeletonobject = ent->priv.server->skeleton;
1352                 cs->framegroupblend[0].frame = PRVM_serveredictfloat(ent, frame);
1353                 cs->framegroupblend[1].frame = PRVM_serveredictfloat(ent, frame2);
1354                 cs->framegroupblend[2].frame = PRVM_serveredictfloat(ent, frame3);
1355                 cs->framegroupblend[3].frame = PRVM_serveredictfloat(ent, frame4);
1356                 cs->framegroupblend[0].start = PRVM_serveredictfloat(ent, frame1time);
1357                 cs->framegroupblend[1].start = PRVM_serveredictfloat(ent, frame2time);
1358                 cs->framegroupblend[2].start = PRVM_serveredictfloat(ent, frame3time);
1359                 cs->framegroupblend[3].start = PRVM_serveredictfloat(ent, frame4time);
1360                 cs->framegroupblend[1].lerp = PRVM_serveredictfloat(ent, lerpfrac);
1361                 cs->framegroupblend[2].lerp = PRVM_serveredictfloat(ent, lerpfrac3);
1362                 cs->framegroupblend[3].lerp = PRVM_serveredictfloat(ent, lerpfrac4);
1363                 cs->framegroupblend[0].lerp = 1.0f - cs->framegroupblend[1].lerp - cs->framegroupblend[2].lerp - cs->framegroupblend[3].lerp;
1364                 cs->frame = 0; // don't need the legacy frame
1365         }
1366
1367         cs->light[0] = light[0];
1368         cs->light[1] = light[1];
1369         cs->light[2] = light[2];
1370         cs->light[3] = light[3];
1371         cs->lightstyle = lightstyle;
1372         cs->lightpflags = lightpflags;
1373
1374         cs->specialvisibilityradius = specialvisibilityradius;
1375
1376         // calculate the visible box of this entity (don't use the physics box
1377         // as that is often smaller than a model, and would not count
1378         // specialvisibilityradius)
1379         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1380         {
1381                 float scale = cs->scale * (1.0f / 16.0f);
1382                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1383                 {
1384                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1385                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1386                 }
1387                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1388                 {
1389                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1390                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1391                 }
1392                 else
1393                 {
1394                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1395                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1396                 }
1397         }
1398         else
1399         {
1400                 // if there is no model (or it could not be loaded), use the physics box
1401                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, mins), cullmins);
1402                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, maxs), cullmaxs);
1403         }
1404         if (specialvisibilityradius)
1405         {
1406                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1407                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1408                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1409                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1410                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1411                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1412         }
1413
1414         // calculate center of bbox for network prioritization purposes
1415         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1416
1417         // if culling box has moved, update pvs cluster links
1418         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1419         {
1420                 VectorCopy(cullmins, ent->priv.server->cullmins);
1421                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1422                 // a value of -1 for pvs_numclusters indicates that the links are not
1423                 // cached, and should be re-tested each time, this is the case if the
1424                 // culling box touches too many pvs clusters to store, or if the world
1425                 // model does not support FindBoxClusters
1426                 ent->priv.server->pvs_numclusters = -1;
1427                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1428                 {
1429                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1430                         if (i <= MAX_ENTITYCLUSTERS)
1431                                 ent->priv.server->pvs_numclusters = i;
1432                 }
1433         }
1434
1435         // we need to do some csqc entity upkeep here
1436         // get self.SendFlags and clear them
1437         // (to let the QC know that they've been read)
1438         if (sendentity)
1439         {
1440                 sendflags = (unsigned int)PRVM_serveredictfloat(ent, SendFlags);
1441                 PRVM_serveredictfloat(ent, SendFlags) = 0;
1442                 // legacy self.Version system
1443                 if ((version = (unsigned int)PRVM_serveredictfloat(ent, Version)))
1444                 {
1445                         if (sv.csqcentityversion[enumber] != version)
1446                                 sendflags = 0xFFFFFF;
1447                         sv.csqcentityversion[enumber] = version;
1448                 }
1449                 // move sendflags into the per-client sendflags
1450                 if (sendflags)
1451                         for (i = 0;i < svs.maxclients;i++)
1452                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1453                 // mark it as inactive for non-csqc networking
1454                 cs->active = ACTIVE_SHARED;
1455         }
1456
1457         return true;
1458 }
1459
1460 static void SV_PrepareEntitiesForSending(void)
1461 {
1462         prvm_prog_t *prog = SVVM_prog;
1463         int e;
1464         prvm_edict_t *ent;
1465         // send all entities that touch the pvs
1466         sv.numsendentities = 0;
1467         sv.sendentitiesindex[0] = NULL;
1468         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1469         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1470         {
1471                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1472                 {
1473                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1474                         sv.numsendentities++;
1475                 }
1476         }
1477 }
1478
1479 #define MAX_LINEOFSIGHTTRACES 64
1480
1481 qboolean SV_CanSeeBox(int numtraces, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1482 {
1483         prvm_prog_t *prog = SVVM_prog;
1484         float pitchsign;
1485         float alpha;
1486         float starttransformed[3], endtransformed[3];
1487         int blocked = 0;
1488         int traceindex;
1489         int originalnumtouchedicts;
1490         int numtouchedicts = 0;
1491         int touchindex;
1492         matrix4x4_t matrix, imatrix;
1493         dp_model_t *model;
1494         prvm_edict_t *touch;
1495         static prvm_edict_t *touchedicts[MAX_EDICTS];
1496         vec3_t boxmins, boxmaxs;
1497         vec3_t clipboxmins, clipboxmaxs;
1498         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1499
1500         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1501
1502         // expand the box a little
1503         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
1504         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
1505         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
1506         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
1507         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
1508         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
1509
1510         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1511         for (traceindex = 1;traceindex < numtraces;traceindex++)
1512                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1513
1514         // calculate sweep box for the entire swarm of traces
1515         VectorCopy(eye, clipboxmins);
1516         VectorCopy(eye, clipboxmaxs);
1517         for (traceindex = 0;traceindex < numtraces;traceindex++)
1518         {
1519                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1520                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1521                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1522                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1523                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1524                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1525         }
1526
1527         // get the list of entities in the sweep box
1528         if (sv_cullentities_trace_entityocclusion.integer)
1529                 numtouchedicts = SV_EntitiesInBox(clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1530         if (numtouchedicts > MAX_EDICTS)
1531         {
1532                 // this never happens
1533                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1534                 numtouchedicts = MAX_EDICTS;
1535         }
1536         // iterate the entities found in the sweep box and filter them
1537         originalnumtouchedicts = numtouchedicts;
1538         numtouchedicts = 0;
1539         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1540         {
1541                 touch = touchedicts[touchindex];
1542                 if (PRVM_serveredictfloat(touch, solid) != SOLID_BSP)
1543                         continue;
1544                 model = SV_GetModelFromEdict(touch);
1545                 if (!model || !model->brush.TraceLineOfSight)
1546                         continue;
1547                 // skip obviously transparent entities
1548                 alpha = PRVM_serveredictfloat(touch, alpha);
1549                 if (alpha && alpha < 1)
1550                         continue;
1551                 if ((int)PRVM_serveredictfloat(touch, effects) & EF_ADDITIVE)
1552                         continue;
1553                 touchedicts[numtouchedicts++] = touch;
1554         }
1555
1556         // now that we have a filtered list of "interesting" entities, fire each
1557         // ray against all of them, this gives us an early-out case when something
1558         // is visible (which it often is)
1559
1560         for (traceindex = 0;traceindex < numtraces;traceindex++)
1561         {
1562                 // check world occlusion
1563                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1564                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, eye, endpoints[traceindex]))
1565                                 continue;
1566                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1567                 {
1568                         touch = touchedicts[touchindex];
1569                         model = SV_GetModelFromEdict(touch);
1570                         if(model && model->brush.TraceLineOfSight)
1571                         {
1572                                 // get the entity matrix
1573                                 pitchsign = SV_GetPitchSign(prog, touch);
1574                                 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);
1575                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1576                                 // see if the ray hits this entity
1577                                 Matrix4x4_Transform(&imatrix, eye, starttransformed);
1578                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1579                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed))
1580                                 {
1581                                         blocked++;
1582                                         break;
1583                                 }
1584                         }
1585                 }
1586                 // check if the ray was blocked
1587                 if (touchindex < numtouchedicts)
1588                         continue;
1589                 // return if the ray was not blocked
1590                 return true;
1591         }
1592
1593         // no rays survived
1594         return false;
1595 }
1596
1597 static void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1598 {
1599         prvm_prog_t *prog = SVVM_prog;
1600         int isbmodel;
1601         dp_model_t *model;
1602         prvm_edict_t *ed;
1603         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1604                 return;
1605         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1606         sv.writeentitiestoclient_stats_totalentities++;
1607
1608         if (s->customizeentityforclient)
1609         {
1610                 PRVM_serverglobalfloat(time) = sv.time;
1611                 PRVM_serverglobaledict(self) = s->number;
1612                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1613                 prog->ExecuteProgram(prog, s->customizeentityforclient, "customizeentityforclient: NULL function");
1614                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1615                         return;
1616         }
1617
1618         // never reject player
1619         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1620         {
1621                 // check various rejection conditions
1622                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1623                         return;
1624                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1625                         return;
1626                 if (s->effects & EF_NODRAW)
1627                         return;
1628                 // LordHavoc: only send entities with a model or important effects
1629                 if (!s->modelindex && s->specialvisibilityradius == 0)
1630                         return;
1631
1632                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1633                 // viewmodels don't have visibility checking
1634                 if (s->viewmodelforclient)
1635                 {
1636                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1637                                 return;
1638                 }
1639                 else if (s->tagentity)
1640                 {
1641                         // tag attached entities simply check their parent
1642                         if (!sv.sendentitiesindex[s->tagentity])
1643                                 return;
1644                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1645                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1646                                 return;
1647                 }
1648                 // always send world submodels in newer protocols because they don't
1649                 // generate much traffic (in old protocols they hog bandwidth)
1650                 // but only if sv_cullentities_nevercullbmodels is off
1651                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1652                 {
1653                         // entity has survived every check so far, check if visible
1654                         ed = PRVM_EDICT_NUM(s->number);
1655
1656                         // if not touching a visible leaf
1657                         if (sv_cullentities_pvs.integer && !r_novis.integer && !r_trippy.integer && sv.writeentitiestoclient_pvsbytes)
1658                         {
1659                                 if (ed->priv.server->pvs_numclusters < 0)
1660                                 {
1661                                         // entity too big for clusters list
1662                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1663                                         {
1664                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1665                                                 return;
1666                                         }
1667                                 }
1668                                 else
1669                                 {
1670                                         int i;
1671                                         // check cached clusters list
1672                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1673                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1674                                                         break;
1675                                         if (i == ed->priv.server->pvs_numclusters)
1676                                         {
1677                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1678                                                 return;
1679                                         }
1680                                 }
1681                         }
1682
1683                         // or not seen by random tracelines
1684                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel->brush.TraceLineOfSight && !r_trippy.integer)
1685                         {
1686                                 int samples =
1687                                         s->number <= svs.maxclients
1688                                                 ? sv_cullentities_trace_samples_players.integer
1689                                                 :
1690                                         s->specialvisibilityradius
1691                                                 ? sv_cullentities_trace_samples_extra.integer
1692                                                 : sv_cullentities_trace_samples.integer;
1693                                 float enlarge = sv_cullentities_trace_enlarge.value;
1694
1695                                 if(samples > 0)
1696                                 {
1697                                         int eyeindex;
1698                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1699                                                 if(SV_CanSeeBox(samples, enlarge, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1700                                                         break;
1701                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1702                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1703                                                         realtime + (
1704                                                                 s->number <= svs.maxclients
1705                                                                         ? sv_cullentities_trace_delay_players.value
1706                                                                         : sv_cullentities_trace_delay.value
1707                                                         );
1708                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1709                                         {
1710                                                 sv.writeentitiestoclient_stats_culled_trace++;
1711                                                 return;
1712                                         }
1713                                 }
1714                         }
1715                 }
1716         }
1717
1718         // this just marks it for sending
1719         // FIXME: it would be more efficient to send here, but the entity
1720         // compressor isn't that flexible
1721         sv.writeentitiestoclient_stats_visibleentities++;
1722         sv.sententities[s->number] = sv.sententitiesmark;
1723 }
1724
1725 #if MAX_LEVELNETWORKEYES > 0
1726 #define MAX_EYE_RECURSION 1 // increase if recursion gets supported by portals
1727 static void SV_AddCameraEyes(void)
1728 {
1729         prvm_prog_t *prog = SVVM_prog;
1730         int e, i, j, k;
1731         prvm_edict_t *ed;
1732         static int cameras[MAX_LEVELNETWORKEYES];
1733         static vec3_t camera_origins[MAX_LEVELNETWORKEYES];
1734         static int eye_levels[MAX_CLIENTNETWORKEYES];
1735         int n_cameras = 0;
1736         vec3_t mi, ma;
1737
1738         for(i = 0; i < sv.writeentitiestoclient_numeyes; ++i)
1739                 eye_levels[i] = 0;
1740
1741         // check line of sight to portal entities and add them to PVS
1742         for (e = 1, ed = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ed = PRVM_NEXT_EDICT(ed))
1743         {
1744                 if (!ed->priv.server->free)
1745                 {
1746                         if(PRVM_serveredictfunction(ed, camera_transform))
1747                         {
1748                                 PRVM_serverglobalfloat(time) = sv.time;
1749                                 PRVM_serverglobaledict(self) = e;
1750                                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1751                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_serverglobalvector(trace_endpos));
1752                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_G_VECTOR(OFS_PARM0));
1753                                 VectorClear(PRVM_G_VECTOR(OFS_PARM1));
1754                                 prog->ExecuteProgram(prog, PRVM_serveredictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1755                                 if(!VectorCompare(PRVM_serverglobalvector(trace_endpos), sv.writeentitiestoclient_eyes[0]))
1756                                 {
1757                                         VectorCopy(PRVM_serverglobalvector(trace_endpos), camera_origins[n_cameras]);
1758                                         cameras[n_cameras] = e;
1759                                         ++n_cameras;
1760                                         if(n_cameras >= MAX_LEVELNETWORKEYES)
1761                                                 break;
1762                                 }
1763                         }
1764                 }
1765         }
1766
1767         if(!n_cameras)
1768                 return;
1769
1770         // i is loop counter, is reset to 0 when an eye got added
1771         // j is camera index to check
1772         for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras)
1773         {
1774                 if(!cameras[j])
1775                         continue;
1776                 ed = PRVM_EDICT_NUM(cameras[j]);
1777                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, mins), mi);
1778                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, maxs), ma);
1779                 for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k)
1780                 if(eye_levels[k] <= MAX_EYE_RECURSION)
1781                 {
1782                         if(SV_CanSeeBox(sv_cullentities_trace_samples.integer, sv_cullentities_trace_enlarge.value, sv.writeentitiestoclient_eyes[k], mi, ma))
1783                         {
1784                                 eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1;
1785                                 VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1786                                 // 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);
1787                                 sv.writeentitiestoclient_numeyes++;
1788                                 cameras[j] = 0;
1789                                 i = 0;
1790                                 break;
1791                         }
1792                 }
1793         }
1794 }
1795 #else
1796 void SV_AddCameraEyes(void)
1797 {
1798 }
1799 #endif
1800
1801 static void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1802 {
1803         prvm_prog_t *prog = SVVM_prog;
1804         qboolean need_empty = false;
1805         int i, numsendstates, numcsqcsendstates;
1806         entity_state_t *s;
1807         prvm_edict_t *camera;
1808         qboolean success;
1809         vec3_t eye;
1810
1811         // if there isn't enough space to accomplish anything, skip it
1812         if (msg->cursize + 25 > maxsize)
1813                 return;
1814
1815         sv.writeentitiestoclient_msg = msg;
1816         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1817
1818         sv.writeentitiestoclient_stats_culled_pvs = 0;
1819         sv.writeentitiestoclient_stats_culled_trace = 0;
1820         sv.writeentitiestoclient_stats_visibleentities = 0;
1821         sv.writeentitiestoclient_stats_totalentities = 0;
1822         sv.writeentitiestoclient_numeyes = 0;
1823
1824         // get eye location
1825         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1826         camera = PRVM_EDICT_NUM( client->clientcamera );
1827         VectorAdd(PRVM_serveredictvector(camera, origin), PRVM_serveredictvector(clent, view_ofs), eye);
1828         sv.writeentitiestoclient_pvsbytes = 0;
1829         // get the PVS values for the eye location, later FatPVS calls will merge
1830         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1831                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1832
1833         // add the eye to a list for SV_CanSeeBox tests
1834         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1835         sv.writeentitiestoclient_numeyes++;
1836
1837         // calculate predicted eye origin for SV_CanSeeBox tests
1838         if (sv_cullentities_trace_prediction.integer)
1839         {
1840                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1841                 vec3_t predeye;
1842                 VectorMA(eye, predtime, PRVM_serveredictvector(camera, velocity), predeye);
1843                 if (SV_CanSeeBox(1, 0, eye, predeye, predeye))
1844                 {
1845                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1846                         sv.writeentitiestoclient_numeyes++;
1847                 }
1848                 //if (!sv.writeentitiestoclient_useprediction)
1849                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1850         }
1851
1852         SV_AddCameraEyes();
1853
1854         // build PVS from the new eyes
1855         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1856                 for(i = 1; i < sv.writeentitiestoclient_numeyes; ++i)
1857                         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);
1858
1859         sv.sententitiesmark++;
1860
1861         for (i = 0;i < sv.numsendentities;i++)
1862                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1863
1864         numsendstates = 0;
1865         numcsqcsendstates = 0;
1866         for (i = 0;i < sv.numsendentities;i++)
1867         {
1868                 s = &sv.sendentities[i];
1869                 if (sv.sententities[s->number] == sv.sententitiesmark)
1870                 {
1871                         if(s->active == ACTIVE_NETWORK)
1872                         {
1873                                 if (s->exteriormodelforclient)
1874                                 {
1875                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1876                                                 s->flags |= RENDER_EXTERIORMODEL;
1877                                         else
1878                                                 s->flags &= ~RENDER_EXTERIORMODEL;
1879                                 }
1880                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
1881                         }
1882                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1883                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
1884                         else
1885                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
1886                 }
1887         }
1888
1889         if (sv_cullentities_stats.integer)
1890                 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);
1891
1892         if(client->entitydatabase5)
1893                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1894         else
1895                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1896
1897         // force every 16th frame to be not empty (or cl_movement replay takes
1898         // too long)
1899         // BTW, this should normally not kick in any more due to the check
1900         // below, except if the client stopped sending movement frames
1901         if(client->num_skippedentityframes >= 16)
1902                 need_empty = true;
1903
1904         // help cl_movement a bit more
1905         if(client->movesequence != client->lastmovesequence)
1906                 need_empty = true;
1907         client->lastmovesequence = client->movesequence;
1908
1909         if (client->entitydatabase5)
1910                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1911         else if (client->entitydatabase4)
1912         {
1913                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1914                 Protocol_WriteStatsReliable();
1915         }
1916         else if (client->entitydatabase)
1917         {
1918                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1919                 Protocol_WriteStatsReliable();
1920         }
1921         else
1922         {
1923                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1924                 Protocol_WriteStatsReliable();
1925         }
1926
1927         if(success)
1928                 client->num_skippedentityframes = 0;
1929         else
1930                 ++client->num_skippedentityframes;
1931 }
1932
1933 /*
1934 =============
1935 SV_CleanupEnts
1936
1937 =============
1938 */
1939 static void SV_CleanupEnts (void)
1940 {
1941         prvm_prog_t *prog = SVVM_prog;
1942         int             e;
1943         prvm_edict_t    *ent;
1944
1945         ent = PRVM_NEXT_EDICT(prog->edicts);
1946         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1947                 PRVM_serveredictfloat(ent, effects) = (int)PRVM_serveredictfloat(ent, effects) & ~EF_MUZZLEFLASH;
1948 }
1949
1950 /*
1951 ==================
1952 SV_WriteClientdataToMessage
1953
1954 ==================
1955 */
1956 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1957 {
1958         prvm_prog_t *prog = SVVM_prog;
1959         int             bits;
1960         int             i;
1961         prvm_edict_t    *other;
1962         int             items;
1963         vec3_t  punchvector;
1964         int             viewzoom;
1965         const char *s;
1966         float   *statsf = (float *)stats;
1967         float gravity;
1968
1969 //
1970 // send a damage message
1971 //
1972         if (PRVM_serveredictfloat(ent, dmg_take) || PRVM_serveredictfloat(ent, dmg_save))
1973         {
1974                 other = PRVM_PROG_TO_EDICT(PRVM_serveredictedict(ent, dmg_inflictor));
1975                 MSG_WriteByte (msg, svc_damage);
1976                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_save));
1977                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_take));
1978                 for (i=0 ; i<3 ; i++)
1979                         MSG_WriteCoord (msg, PRVM_serveredictvector(other, origin)[i] + 0.5*(PRVM_serveredictvector(other, mins)[i] + PRVM_serveredictvector(other, maxs)[i]), sv.protocol);
1980
1981                 PRVM_serveredictfloat(ent, dmg_take) = 0;
1982                 PRVM_serveredictfloat(ent, dmg_save) = 0;
1983         }
1984
1985 //
1986 // send the current viewpos offset from the view entity
1987 //
1988         SV_SetIdealPitch ();            // how much to look up / down ideally
1989
1990 // a fixangle might get lost in a dropped packet.  Oh well.
1991         if(PRVM_serveredictfloat(ent, fixangle))
1992         {
1993                 // angle fixing was requested by global thinking code...
1994                 // so store the current angles for later use
1995                 VectorCopy(PRVM_serveredictvector(ent, angles), host_client->fixangle_angles);
1996                 host_client->fixangle_angles_set = TRUE;
1997
1998                 // and clear fixangle for the next frame
1999                 PRVM_serveredictfloat(ent, fixangle) = 0;
2000         }
2001
2002         if (host_client->fixangle_angles_set)
2003         {
2004                 MSG_WriteByte (msg, svc_setangle);
2005                 for (i=0 ; i < 3 ; i++)
2006                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
2007                 host_client->fixangle_angles_set = FALSE;
2008         }
2009
2010         // the runes are in serverflags, pack them into the items value, also pack
2011         // in the items2 value for mission pack huds
2012         // (used only in the mission packs, which do not use serverflags)
2013         items = (int)PRVM_serveredictfloat(ent, items) | ((int)PRVM_serveredictfloat(ent, items2) << 23) | ((int)PRVM_serverglobalfloat(serverflags) << 28);
2014
2015         VectorCopy(PRVM_serveredictvector(ent, punchvector), punchvector);
2016
2017         // cache weapon model name and index in client struct to save time
2018         // (this search can be almost 1% of cpu time!)
2019         s = PRVM_GetString(prog, PRVM_serveredictstring(ent, weaponmodel));
2020         if (strcmp(s, client->weaponmodel))
2021         {
2022                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
2023                 client->weaponmodelindex = SV_ModelIndex(s, 1);
2024         }
2025
2026         viewzoom = (int)(PRVM_serveredictfloat(ent, viewzoom) * 255.0f);
2027         if (viewzoom == 0)
2028                 viewzoom = 255;
2029
2030         bits = 0;
2031
2032         if ((int)PRVM_serveredictfloat(ent, flags) & FL_ONGROUND)
2033                 bits |= SU_ONGROUND;
2034         if (PRVM_serveredictfloat(ent, waterlevel) >= 2)
2035                 bits |= SU_INWATER;
2036         if (PRVM_serveredictfloat(ent, idealpitch))
2037                 bits |= SU_IDEALPITCH;
2038
2039         for (i=0 ; i<3 ; i++)
2040         {
2041                 if (PRVM_serveredictvector(ent, punchangle)[i])
2042                         bits |= (SU_PUNCH1<<i);
2043                 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)
2044                         if (punchvector[i])
2045                                 bits |= (SU_PUNCHVEC1<<i);
2046                 if (PRVM_serveredictvector(ent, velocity)[i])
2047                         bits |= (SU_VELOCITY1<<i);
2048         }
2049
2050         gravity = PRVM_serveredictfloat(ent, gravity);if (!gravity) gravity = 1.0f;
2051
2052         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
2053         stats[STAT_VIEWHEIGHT] = (int)PRVM_serveredictvector(ent, view_ofs)[2];
2054         stats[STAT_ITEMS] = items;
2055         stats[STAT_WEAPONFRAME] = (int)PRVM_serveredictfloat(ent, weaponframe);
2056         stats[STAT_ARMOR] = (int)PRVM_serveredictfloat(ent, armorvalue);
2057         stats[STAT_WEAPON] = client->weaponmodelindex;
2058         stats[STAT_HEALTH] = (int)PRVM_serveredictfloat(ent, health);
2059         stats[STAT_AMMO] = (int)PRVM_serveredictfloat(ent, currentammo);
2060         stats[STAT_SHELLS] = (int)PRVM_serveredictfloat(ent, ammo_shells);
2061         stats[STAT_NAILS] = (int)PRVM_serveredictfloat(ent, ammo_nails);
2062         stats[STAT_ROCKETS] = (int)PRVM_serveredictfloat(ent, ammo_rockets);
2063         stats[STAT_CELLS] = (int)PRVM_serveredictfloat(ent, ammo_cells);
2064         stats[STAT_ACTIVEWEAPON] = (int)PRVM_serveredictfloat(ent, weapon);
2065         stats[STAT_VIEWZOOM] = viewzoom;
2066         stats[STAT_TOTALSECRETS] = (int)PRVM_serverglobalfloat(total_secrets);
2067         stats[STAT_TOTALMONSTERS] = (int)PRVM_serverglobalfloat(total_monsters);
2068         // the QC bumps these itself by sending svc_'s, so we have to keep them
2069         // zero or they'll be corrected by the engine
2070         //stats[STAT_SECRETS] = PRVM_serverglobalfloat(found_secrets);
2071         //stats[STAT_MONSTERS] = PRVM_serverglobalfloat(killed_monsters);
2072
2073         // movement settings for prediction
2074         // note: these are not sent in protocols with lower MAX_CL_STATS limits
2075         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
2076                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
2077                 | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0)
2078                 | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0)
2079         ;
2080         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
2081         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
2082         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
2083         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
2084         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
2085         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
2086         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
2087         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
2088         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
2089         statsf[STAT_MOVEVARS_ENTGRAVITY] = gravity;
2090         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
2091         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
2092         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
2093         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
2094         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
2095         statsf[STAT_MOVEVARS_AIRACCEL_QW_STRETCHFACTOR] = sv_airaccel_qw_stretchfactor.value;
2096         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
2097         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
2098         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
2099         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
2100         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
2101         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
2102         statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value;
2103         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
2104         statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value;
2105         statsf[STAT_MOVEVARS_AIRCONTROL_PENALTY] = sv_aircontrol_penalty.value;
2106         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
2107         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
2108         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
2109         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
2110         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
2111         statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW] = sv_airspeedlimit_nonqw.value;
2112         statsf[STAT_FRAGLIMIT] = fraglimit.value;
2113         statsf[STAT_TIMELIMIT] = timelimit.value;
2114
2115         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)
2116         {
2117                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
2118                 bits |= SU_ITEMS;
2119                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
2120                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
2121                 bits |= SU_WEAPON;
2122                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
2123                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2124                         if (viewzoom != 255)
2125                                 bits |= SU_VIEWZOOM;
2126         }
2127
2128         if (bits >= 65536)
2129                 bits |= SU_EXTEND1;
2130         if (bits >= 16777216)
2131                 bits |= SU_EXTEND2;
2132
2133         // send the data
2134         MSG_WriteByte (msg, svc_clientdata);
2135         MSG_WriteShort (msg, bits);
2136         if (bits & SU_EXTEND1)
2137                 MSG_WriteByte(msg, bits >> 16);
2138         if (bits & SU_EXTEND2)
2139                 MSG_WriteByte(msg, bits >> 24);
2140
2141         if (bits & SU_VIEWHEIGHT)
2142                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
2143
2144         if (bits & SU_IDEALPITCH)
2145                 MSG_WriteChar (msg, (int)PRVM_serveredictfloat(ent, idealpitch));
2146
2147         for (i=0 ; i<3 ; i++)
2148         {
2149                 if (bits & (SU_PUNCH1<<i))
2150                 {
2151                         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)
2152                                 MSG_WriteChar(msg, (int)PRVM_serveredictvector(ent, punchangle)[i]);
2153                         else
2154                                 MSG_WriteAngle16i(msg, PRVM_serveredictvector(ent, punchangle)[i]);
2155                 }
2156                 if (bits & (SU_PUNCHVEC1<<i))
2157                 {
2158                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2159                                 MSG_WriteCoord16i(msg, punchvector[i]);
2160                         else
2161                                 MSG_WriteCoord32f(msg, punchvector[i]);
2162                 }
2163                 if (bits & (SU_VELOCITY1<<i))
2164                 {
2165                         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)
2166                                 MSG_WriteChar(msg, (int)(PRVM_serveredictvector(ent, velocity)[i] * (1.0f / 16.0f)));
2167                         else
2168                                 MSG_WriteCoord32f(msg, PRVM_serveredictvector(ent, velocity)[i]);
2169                 }
2170         }
2171
2172         if (bits & SU_ITEMS)
2173                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
2174
2175         if (sv.protocol == PROTOCOL_DARKPLACES5)
2176         {
2177                 if (bits & SU_WEAPONFRAME)
2178                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
2179                 if (bits & SU_ARMOR)
2180                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
2181                 if (bits & SU_WEAPON)
2182                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
2183                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2184                 MSG_WriteShort (msg, stats[STAT_AMMO]);
2185                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
2186                 MSG_WriteShort (msg, stats[STAT_NAILS]);
2187                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
2188                 MSG_WriteShort (msg, stats[STAT_CELLS]);
2189                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
2190                 if (bits & SU_VIEWZOOM)
2191                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2192         }
2193         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)
2194         {
2195                 if (bits & SU_WEAPONFRAME)
2196                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
2197                 if (bits & SU_ARMOR)
2198                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
2199                 if (bits & SU_WEAPON)
2200                 {
2201                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2202                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
2203                         else
2204                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
2205                 }
2206                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2207                 MSG_WriteByte (msg, stats[STAT_AMMO]);
2208                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
2209                 MSG_WriteByte (msg, stats[STAT_NAILS]);
2210                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
2211                 MSG_WriteByte (msg, stats[STAT_CELLS]);
2212                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_QUOTH || gamemode == GAME_NEXUIZ)
2213                 {
2214                         for (i = 0;i < 32;i++)
2215                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
2216                                         break;
2217                         MSG_WriteByte (msg, i);
2218                 }
2219                 else
2220                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
2221                 if (bits & SU_VIEWZOOM)
2222                 {
2223                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2224                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
2225                         else
2226                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2227                 }
2228         }
2229 }
2230
2231 void SV_FlushBroadcastMessages(void)
2232 {
2233         int i;
2234         client_t *client;
2235         if (sv.datagram.cursize <= 0)
2236                 return;
2237         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2238         {
2239                 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])))
2240                         continue;
2241                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2242                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2243         }
2244         SZ_Clear(&sv.datagram);
2245 }
2246
2247 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2248 {
2249         // scan the splitpoints to find out how many we can fit in
2250         int numsegments, j, split;
2251         if (!client->unreliablemsg_splitpoints)
2252                 return;
2253         // always accept the first one if it's within 1024 bytes, this ensures
2254         // that very big datagrams which are over the rate limit still get
2255         // through, just to keep it working
2256         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2257                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2258                         break;
2259         // the first segment gets an exemption from the rate limiting, otherwise
2260         // it could get dropped consistently due to a low rate limit
2261         if (numsegments == 1)
2262                 maxsize = maxsize2;
2263         // some will fit, so add the ones that will fit
2264         split = client->unreliablemsg_splitpoint[numsegments-1];
2265         // note this discards ones that were accepted by the segments scan but
2266         // can not fit, such as a really huge first one that will never ever
2267         // fit in a packet...
2268         if (msg->cursize + split <= maxsize)
2269                 SZ_Write(msg, client->unreliablemsg.data, split);
2270         // remove the part we sent, keeping any remaining data
2271         client->unreliablemsg.cursize -= split;
2272         if (client->unreliablemsg.cursize > 0)
2273                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2274         // adjust remaining splitpoints
2275         client->unreliablemsg_splitpoints -= numsegments;
2276         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2277                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2278 }
2279
2280 /*
2281 =======================
2282 SV_SendClientDatagram
2283 =======================
2284 */
2285 static void SV_SendClientDatagram (client_t *client)
2286 {
2287         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2288         sizebuf_t msg;
2289         int stats[MAX_CL_STATS];
2290         static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2291         double timedelta;
2292
2293         // obey rate limit by limiting packet frequency if the packet size
2294         // limiting fails
2295         // (usually this is caused by reliable messages)
2296         if (!NetConn_CanSend(client->netconnection))
2297                 return;
2298
2299         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2300         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2301         if (sv_maxrate.integer != maxrate)
2302                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2303
2304         // clientrate determines the 'cleartime' of a packet
2305         // (how long to wait before sending another, based on this packet's size)
2306         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2307
2308         switch (sv.protocol)
2309         {
2310         case PROTOCOL_QUAKE:
2311         case PROTOCOL_QUAKEDP:
2312         case PROTOCOL_NEHAHRAMOVIE:
2313         case PROTOCOL_NEHAHRABJP:
2314         case PROTOCOL_NEHAHRABJP2:
2315         case PROTOCOL_NEHAHRABJP3:
2316         case PROTOCOL_QUAKEWORLD:
2317                 // no packet size limit support on Quake protocols because it just
2318                 // causes missing entities/effects
2319                 // packets are simply sent less often to obey the rate limit
2320                 maxsize = 1024;
2321                 maxsize2 = 1024;
2322                 break;
2323         case PROTOCOL_DARKPLACES1:
2324         case PROTOCOL_DARKPLACES2:
2325         case PROTOCOL_DARKPLACES3:
2326         case PROTOCOL_DARKPLACES4:
2327                 // no packet size limit support on DP1-4 protocols because they kick
2328                 // the client off if they overflow, and miss effects
2329                 // packets are simply sent less often to obey the rate limit
2330                 maxsize = sizeof(sv_sendclientdatagram_buf);
2331                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2332                 break;
2333         default:
2334                 // DP5 and later protocols support packet size limiting which is a
2335                 // better method than limiting packet frequency as QW does
2336                 //
2337                 // at very low rates (or very small sys_ticrate) the packet size is
2338                 // not reduced below 128, but packets may be sent less often
2339
2340                 // how long are bursts?
2341                 timedelta = host_client->rate_burstsize / (double)client->rate;
2342
2343                 // how much of the burst do we keep reserved?
2344                 timedelta *= 1 - net_burstreserve.value;
2345
2346                 // only try to use excess time
2347                 timedelta = bound(0, realtime - host_client->netconnection->cleartime, timedelta);
2348
2349                 // but we know next packet will be in sys_ticrate, so we can use up THAT bandwidth
2350                 timedelta += sys_ticrate.value;
2351
2352                 // note: packet overhead (not counted in maxsize) is 28 bytes
2353                 maxsize = (int)(clientrate * timedelta) - 28;
2354
2355                 // put it in sound bounds
2356                 maxsize = bound(128, maxsize, 1400);
2357                 maxsize2 = 1400;
2358
2359                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2360                 // mods that use csqc (they are likely to use less bandwidth anyway)
2361                 if((net_usesizelimit.integer == 1) ? (sv.csqc_progsize > 0) : (net_usesizelimit.integer < 1))
2362                         maxsize = maxsize2;
2363
2364                 break;
2365         }
2366
2367         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2368         {
2369                 // for good singleplayer, send huge packets
2370                 maxsize = sizeof(sv_sendclientdatagram_buf);
2371                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2372                 // never limit frequency in singleplayer
2373                 clientrate = 1000000000;
2374         }
2375
2376         // while downloading, limit entity updates to half the packet
2377         // (any leftover space will be used for downloading)
2378         if (host_client->download_file)
2379                 maxsize /= 2;
2380
2381         msg.data = sv_sendclientdatagram_buf;
2382         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2383         msg.cursize = 0;
2384         msg.allowoverflow = false;
2385
2386         if (host_client->begun)
2387         {
2388                 // the player is in the game
2389                 MSG_WriteByte (&msg, svc_time);
2390                 MSG_WriteFloat (&msg, sv.time);
2391
2392                 // add the client specific data to the datagram
2393                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2394                 // now update the stats[] array using any registered custom fields
2395                 VM_SV_UpdateCustomStats(client, client->edict, &msg, stats);
2396                 // set host_client->statsdeltabits
2397                 Protocol_UpdateClientStats (stats);
2398
2399                 // add as many queued unreliable messages (effects) as we can fit
2400                 // limit effects to half of the remaining space
2401                 if (client->unreliablemsg.cursize)
2402                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2403
2404                 // now write as many entities as we can fit, and also sends stats
2405                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2406         }
2407         else if (realtime > client->keepalivetime)
2408         {
2409                 // the player isn't totally in the game yet
2410                 // send small keepalive messages if too much time has passed
2411                 // (may also be sending downloads)
2412                 client->keepalivetime = realtime + 5;
2413                 MSG_WriteChar (&msg, svc_nop);
2414         }
2415
2416         // if a download is active, see if there is room to fit some download data
2417         // in this packet
2418         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2419         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2420         {
2421                 fs_offset_t downloadstart;
2422                 unsigned char data[1400];
2423                 downloadstart = FS_Tell(host_client->download_file);
2424                 downloadsize = min(downloadsize, (int)sizeof(data));
2425                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2426                 // note this sends empty messages if at the end of the file, which is
2427                 // necessary to keep the packet loss logic working
2428                 // (the last blocks may be lost and need to be re-sent, and that will
2429                 //  only occur if the client acks the empty end messages, revealing
2430                 //  a gap in the download progress, causing the last blocks to be
2431                 //  sent again)
2432                 MSG_WriteChar (&msg, svc_downloaddata);
2433                 MSG_WriteLong (&msg, downloadstart);
2434                 MSG_WriteShort (&msg, downloadsize);
2435                 if (downloadsize > 0)
2436                         SZ_Write (&msg, data, downloadsize);
2437         }
2438
2439         // reliable only if none is in progress
2440         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2441                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2442         // unreliable
2443         SV_WriteDemoMessage(client, &msg, false);
2444
2445 // send the datagram
2446         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->rate_burstsize, client->sendsignon == 2);
2447         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2448                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2449 }
2450
2451 /*
2452 =======================
2453 SV_UpdateToReliableMessages
2454 =======================
2455 */
2456 static void SV_UpdateToReliableMessages (void)
2457 {
2458         prvm_prog_t *prog = SVVM_prog;
2459         int i, j;
2460         client_t *client;
2461         const char *name;
2462         const char *model;
2463         const char *skin;
2464         int clientcamera;
2465
2466 // check for changes to be sent over the reliable streams
2467         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2468         {
2469                 // update the host_client fields we care about according to the entity fields
2470                 host_client->edict = PRVM_EDICT_NUM(i+1);
2471
2472                 // DP_SV_CLIENTNAME
2473                 name = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, netname));
2474                 if (name == NULL)
2475                         name = "";
2476                 // always point the string back at host_client->name to keep it safe
2477                 strlcpy (host_client->name, name, sizeof (host_client->name));
2478                 PRVM_serveredictstring(host_client->edict, netname) = PRVM_SetEngineString(prog, host_client->name);
2479                 if (strcmp(host_client->old_name, host_client->name))
2480                 {
2481                         if (host_client->begun)
2482                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2483                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2484                         // send notification to all clients
2485                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2486                         MSG_WriteByte (&sv.reliable_datagram, i);
2487                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2488                         SV_WriteNetnameIntoDemo(host_client);
2489                 }
2490
2491                 // DP_SV_CLIENTCOLORS
2492                 host_client->colors = (int)PRVM_serveredictfloat(host_client->edict, clientcolors);
2493                 if (host_client->old_colors != host_client->colors)
2494                 {
2495                         host_client->old_colors = host_client->colors;
2496                         // send notification to all clients
2497                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2498                         MSG_WriteByte (&sv.reliable_datagram, i);
2499                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2500                 }
2501
2502                 // NEXUIZ_PLAYERMODEL
2503                 model = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, playermodel));
2504                 if (model == NULL)
2505                         model = "";
2506                 // always point the string back at host_client->name to keep it safe
2507                 strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2508                 PRVM_serveredictstring(host_client->edict, playermodel) = PRVM_SetEngineString(prog, host_client->playermodel);
2509
2510                 // NEXUIZ_PLAYERSKIN
2511                 skin = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, playerskin));
2512                 if (skin == NULL)
2513                         skin = "";
2514                 // always point the string back at host_client->name to keep it safe
2515                 strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2516                 PRVM_serveredictstring(host_client->edict, playerskin) = PRVM_SetEngineString(prog, host_client->playerskin);
2517
2518                 // TODO: add an extension name for this [1/17/2008 Black]
2519                 clientcamera = PRVM_serveredictedict(host_client->edict, clientcamera);
2520                 if (clientcamera > 0)
2521                 {
2522                         int oldclientcamera = host_client->clientcamera;
2523                         if (clientcamera >= prog->max_edicts || PRVM_EDICT_NUM(clientcamera)->priv.required->free)
2524                                 clientcamera = PRVM_NUM_FOR_EDICT(host_client->edict);
2525                         host_client->clientcamera = clientcamera;
2526
2527                         if (oldclientcamera != host_client->clientcamera && host_client->netconnection)
2528                         {
2529                                 MSG_WriteByte(&host_client->netconnection->message, svc_setview);
2530                                 MSG_WriteShort(&host_client->netconnection->message, host_client->clientcamera);
2531                         }
2532                 }
2533
2534                 // frags
2535                 host_client->frags = (int)PRVM_serveredictfloat(host_client->edict, frags);
2536                 if(gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
2537                         if(!host_client->begun && host_client->netconnection)
2538                                 host_client->frags = -666;
2539                 if (host_client->old_frags != host_client->frags)
2540                 {
2541                         host_client->old_frags = host_client->frags;
2542                         // send notification to all clients
2543                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2544                         MSG_WriteByte (&sv.reliable_datagram, i);
2545                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2546                 }
2547         }
2548
2549         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2550                 if (client->netconnection && (client->begun || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2551                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2552
2553         SZ_Clear (&sv.reliable_datagram);
2554 }
2555
2556
2557 /*
2558 =======================
2559 SV_SendClientMessages
2560 =======================
2561 */
2562 void SV_SendClientMessages(void)
2563 {
2564         int i, prepared = false;
2565
2566         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2567                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2568
2569         SV_FlushBroadcastMessages();
2570
2571 // update frags, names, etc
2572         SV_UpdateToReliableMessages();
2573
2574 // build individual updates
2575         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2576         {
2577                 if (!host_client->active)
2578                         continue;
2579                 if (!host_client->netconnection)
2580                         continue;
2581
2582                 if (host_client->netconnection->message.overflowed)
2583                 {
2584                         SV_DropClient (true);   // if the message couldn't send, kick off
2585                         continue;
2586                 }
2587
2588                 if (!prepared)
2589                 {
2590                         prepared = true;
2591                         // only prepare entities once per frame
2592                         SV_PrepareEntitiesForSending();
2593                 }
2594                 SV_SendClientDatagram(host_client);
2595         }
2596
2597 // clear muzzle flashes
2598         SV_CleanupEnts();
2599 }
2600
2601 static void SV_StartDownload_f(void)
2602 {
2603         if (host_client->download_file)
2604                 host_client->download_started = true;
2605 }
2606
2607 /*
2608  * Compression extension negotiation:
2609  *
2610  * Server to client:
2611  *   cl_serverextension_download 2
2612  *
2613  * Client to server:
2614  *   download <filename> <list of zero or more suppported compressions in order of preference>
2615  * e.g.
2616  *   download maps/map1.bsp lzo deflate huffman
2617  *
2618  * Server to client:
2619  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2620  * e.g.
2621  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2622  *
2623  * The server may choose not to compress the file by sending no compression name, like:
2624  *   cl_downloadbegin 345678 maps/map1.bsp
2625  *
2626  * NOTE: the "download" command may only specify compression algorithms if
2627  *       cl_serverextension_download is 2!
2628  *       If cl_serverextension_download has a different value, the client must
2629  *       assume this extension is not supported!
2630  */
2631
2632 static void Download_CheckExtensions(void)
2633 {
2634         int i;
2635         int argc = Cmd_Argc();
2636
2637         // first reset them all
2638         host_client->download_deflate = false;
2639
2640         for(i = 2; i < argc; ++i)
2641         {
2642                 if(!strcmp(Cmd_Argv(i), "deflate"))
2643                 {
2644                         host_client->download_deflate = true;
2645                         break;
2646                 }
2647         }
2648 }
2649
2650 static void SV_Download_f(void)
2651 {
2652         const char *whichpack, *whichpack2, *extension;
2653         qboolean is_csqc; // so we need to check only once
2654
2655         if (Cmd_Argc() < 2)
2656         {
2657                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2658                 SV_ClientPrintf("       supported extensions: deflate\n");
2659                 return;
2660         }
2661
2662         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2663         {
2664                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2665                 return;
2666         }
2667
2668         if (host_client->download_file)
2669         {
2670                 // at this point we'll assume the previous download should be aborted
2671                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2672                 Host_ClientCommands("\nstopdownload\n");
2673
2674                 // close the file and reset variables
2675                 FS_Close(host_client->download_file);
2676                 host_client->download_file = NULL;
2677                 host_client->download_name[0] = 0;
2678                 host_client->download_expectedposition = 0;
2679                 host_client->download_started = false;
2680         }
2681
2682         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2683
2684         if (!sv_allowdownloads.integer && !is_csqc)
2685         {
2686                 SV_ClientPrintf("Downloads are disabled on this server\n");
2687                 Host_ClientCommands("\nstopdownload\n");
2688                 return;
2689         }
2690
2691         Download_CheckExtensions();
2692
2693         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2694         extension = FS_FileExtension(host_client->download_name);
2695
2696         // host_client is asking to download a specified file
2697         if (developer_extra.integer)
2698                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2699
2700         if(is_csqc)
2701         {
2702                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2703                 extensions[0] = '\0';
2704
2705                 if(host_client->download_deflate)
2706                         strlcat(extensions, " deflate", sizeof(extensions));
2707
2708                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2709
2710                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2711                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2712                 else
2713                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2714
2715                 // no, no space is needed between %s and %s :P
2716                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2717
2718                 host_client->download_expectedposition = 0;
2719                 host_client->download_started = false;
2720                 host_client->sendsignon = true; // make sure this message is sent
2721                 return;
2722         }
2723
2724         if (!FS_FileExists(host_client->download_name))
2725         {
2726                 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);
2727                 Host_ClientCommands("\nstopdownload\n");
2728                 return;
2729         }
2730
2731         // check if the user is trying to download part of registered Quake(r)
2732         whichpack = FS_WhichPack(host_client->download_name);
2733         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2734         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2735         {
2736                 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);
2737                 Host_ClientCommands("\nstopdownload\n");
2738                 return;
2739         }
2740
2741         // check if the server has forbidden archive downloads entirely
2742         if (!sv_allowdownloads_inarchive.integer)
2743         {
2744                 whichpack = FS_WhichPack(host_client->download_name);
2745                 if (whichpack)
2746                 {
2747                         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);
2748                         Host_ClientCommands("\nstopdownload\n");
2749                         return;
2750                 }
2751         }
2752
2753         if (!sv_allowdownloads_config.integer)
2754         {
2755                 if (!strcasecmp(extension, "cfg"))
2756                 {
2757                         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);
2758                         Host_ClientCommands("\nstopdownload\n");
2759                         return;
2760                 }
2761         }
2762
2763         if (!sv_allowdownloads_dlcache.integer)
2764         {
2765                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2766                 {
2767                         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);
2768                         Host_ClientCommands("\nstopdownload\n");
2769                         return;
2770                 }
2771         }
2772
2773         if (!sv_allowdownloads_archive.integer)
2774         {
2775                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2776                 {
2777                         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);
2778                         Host_ClientCommands("\nstopdownload\n");
2779                         return;
2780                 }
2781         }
2782
2783         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2784         if (!host_client->download_file)
2785         {
2786                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2787                 Host_ClientCommands("\nstopdownload\n");
2788                 return;
2789         }
2790
2791         if (FS_FileSize(host_client->download_file) > 1<<30)
2792         {
2793                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2794                 Host_ClientCommands("\nstopdownload\n");
2795                 FS_Close(host_client->download_file);
2796                 host_client->download_file = NULL;
2797                 return;
2798         }
2799
2800         if (FS_FileSize(host_client->download_file) < 0)
2801         {
2802                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2803                 Host_ClientCommands("\nstopdownload\n");
2804                 FS_Close(host_client->download_file);
2805                 host_client->download_file = NULL;
2806                 return;
2807         }
2808
2809         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2810
2811         /*
2812          * we can only do this if we would actually deflate on the fly
2813          * which we do not (yet)!
2814         {
2815                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2816                 extensions[0] = '\0';
2817
2818                 if(host_client->download_deflate)
2819                         strlcat(extensions, " deflate", sizeof(extensions));
2820
2821                 // no, no space is needed between %s and %s :P
2822                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2823         }
2824         */
2825         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2826
2827         host_client->download_expectedposition = 0;
2828         host_client->download_started = false;
2829         host_client->sendsignon = true; // make sure this message is sent
2830
2831         // the rest of the download process is handled in SV_SendClientDatagram
2832         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2833         //
2834         // no svc_downloaddata messages will be sent until sv_startdownload is
2835         // sent by the client
2836 }
2837
2838 /*
2839 ==============================================================================
2840
2841 SERVER SPAWNING
2842
2843 ==============================================================================
2844 */
2845
2846 /*
2847 ================
2848 SV_ModelIndex
2849
2850 ================
2851 */
2852 int SV_ModelIndex(const char *s, int precachemode)
2853 {
2854         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);
2855         char filename[MAX_QPATH];
2856         if (!s || !*s)
2857                 return 0;
2858         // testing
2859         //if (precachemode == 2)
2860         //      return 0;
2861         strlcpy(filename, s, sizeof(filename));
2862         for (i = 2;i < limit;i++)
2863         {
2864                 if (!sv.model_precache[i][0])
2865                 {
2866                         if (precachemode)
2867                         {
2868                                 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))
2869                                 {
2870                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2871                                         return 0;
2872                                 }
2873                                 if (precachemode == 1)
2874                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2875                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2876                                 if (sv.state == ss_loading)
2877                                 {
2878                                         // running from SV_SpawnServer which is launched from the client console command interpreter
2879                                         sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2880                                 }
2881                                 else
2882                                 {
2883                                         if (svs.threaded)
2884                                         {
2885                                                 // 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
2886                                                 sv.models[i] = Mod_FindName (sv.model_precache[i], s[0] == '*' ? sv.worldname : NULL);
2887                                         }
2888                                         else
2889                                         {
2890                                                 // running single threaded, so we can load the model here
2891                                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2892                                         }
2893                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2894                                         MSG_WriteShort(&sv.reliable_datagram, i);
2895                                         MSG_WriteString(&sv.reliable_datagram, filename);
2896                                 }
2897                                 return i;
2898                         }
2899                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2900                         return 0;
2901                 }
2902                 if (!strcmp(sv.model_precache[i], filename))
2903                         return i;
2904         }
2905         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2906         return 0;
2907 }
2908
2909 /*
2910 ================
2911 SV_SoundIndex
2912
2913 ================
2914 */
2915 int SV_SoundIndex(const char *s, int precachemode)
2916 {
2917         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);
2918         char filename[MAX_QPATH];
2919         if (!s || !*s)
2920                 return 0;
2921         // testing
2922         //if (precachemode == 2)
2923         //      return 0;
2924         strlcpy(filename, s, sizeof(filename));
2925         for (i = 1;i < limit;i++)
2926         {
2927                 if (!sv.sound_precache[i][0])
2928                 {
2929                         if (precachemode)
2930                         {
2931                                 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))
2932                                 {
2933                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2934                                         return 0;
2935                                 }
2936                                 if (precachemode == 1)
2937                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2938                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2939                                 if (sv.state != ss_loading)
2940                                 {
2941                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2942                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2943                                         MSG_WriteString(&sv.reliable_datagram, filename);
2944                                 }
2945                                 return i;
2946                         }
2947                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2948                         return 0;
2949                 }
2950                 if (!strcmp(sv.sound_precache[i], filename))
2951                         return i;
2952         }
2953         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2954         return 0;
2955 }
2956
2957 /*
2958 ================
2959 SV_ParticleEffectIndex
2960
2961 ================
2962 */
2963 int SV_ParticleEffectIndex(const char *name)
2964 {
2965         int i, argc, linenumber, effectnameindex;
2966         int filepass;
2967         fs_offset_t filesize;
2968         unsigned char *filedata;
2969         const char *text;
2970         const char *textstart;
2971         //const char *textend;
2972         char argv[16][1024];
2973         char filename[MAX_QPATH];
2974         if (!sv.particleeffectnamesloaded)
2975         {
2976                 sv.particleeffectnamesloaded = true;
2977                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2978                 for (i = 0;i < EFFECT_TOTAL;i++)
2979                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2980                 for (filepass = 0;;filepass++)
2981                 {
2982                         if (filepass == 0)
2983                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
2984                         else if (filepass == 1)
2985                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
2986                         else
2987                                 break;
2988                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
2989                         if (!filedata)
2990                                 continue;
2991                         textstart = (const char *)filedata;
2992                         //textend = (const char *)filedata + filesize;
2993                         text = textstart;
2994                         for (linenumber = 1;;linenumber++)
2995                         {
2996                                 argc = 0;
2997                                 for (;;)
2998                                 {
2999                                         if (!COM_ParseToken_Simple(&text, true, false, true) || !strcmp(com_token, "\n"))
3000                                                 break;
3001                                         if (argc < 16)
3002                                         {
3003                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
3004                                                 argc++;
3005                                         }
3006                                 }
3007                                 if (com_token[0] == 0)
3008                                         break; // if the loop exited and it's not a \n, it's EOF
3009                                 if (argc < 1)
3010                                         continue;
3011                                 if (!strcmp(argv[0], "effect"))
3012                                 {
3013                                         if (argc == 2)
3014                                         {
3015                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
3016                                                 {
3017                                                         if (sv.particleeffectname[effectnameindex][0])
3018                                                         {
3019                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
3020                                                                         break;
3021                                                         }
3022                                                         else
3023                                                         {
3024                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
3025                                                                 break;
3026                                                         }
3027                                                 }
3028                                                 // if we run out of names, abort
3029                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
3030                                                 {
3031                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
3032                                                         break;
3033                                                 }
3034                                         }
3035                                 }
3036                         }
3037                         Mem_Free(filedata);
3038                 }
3039         }
3040         // search for the name
3041         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
3042                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
3043                         return effectnameindex;
3044         // return 0 if we couldn't find it
3045         return 0;
3046 }
3047
3048 dp_model_t *SV_GetModelByIndex(int modelindex)
3049 {
3050         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3051 }
3052
3053 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
3054 {
3055         prvm_prog_t *prog = SVVM_prog;
3056         int modelindex;
3057         if (!ed || ed->priv.server->free)
3058                 return NULL;
3059         modelindex = (int)PRVM_serveredictfloat(ed, modelindex);
3060         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3061 }
3062
3063 /*
3064 ================
3065 SV_CreateBaseline
3066
3067 ================
3068 */
3069 static void SV_CreateBaseline (void)
3070 {
3071         prvm_prog_t *prog = SVVM_prog;
3072         int i, entnum, large;
3073         prvm_edict_t *svent;
3074
3075         // LordHavoc: clear *all* baselines (not just active ones)
3076         for (entnum = 0;entnum < prog->max_edicts;entnum++)
3077         {
3078                 // get the current server version
3079                 svent = PRVM_EDICT_NUM(entnum);
3080
3081                 // LordHavoc: always clear state values, whether the entity is in use or not
3082                 svent->priv.server->baseline = defaultstate;
3083
3084                 if (svent->priv.server->free)
3085                         continue;
3086                 if (entnum > svs.maxclients && !PRVM_serveredictfloat(svent, modelindex))
3087                         continue;
3088
3089                 // create entity baseline
3090                 VectorCopy (PRVM_serveredictvector(svent, origin), svent->priv.server->baseline.origin);
3091                 VectorCopy (PRVM_serveredictvector(svent, angles), svent->priv.server->baseline.angles);
3092                 svent->priv.server->baseline.frame = (int)PRVM_serveredictfloat(svent, frame);
3093                 svent->priv.server->baseline.skin = (int)PRVM_serveredictfloat(svent, skin);
3094                 if (entnum > 0 && entnum <= svs.maxclients)
3095                 {
3096                         svent->priv.server->baseline.colormap = entnum;
3097                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
3098                 }
3099                 else
3100                 {
3101                         svent->priv.server->baseline.colormap = 0;
3102                         svent->priv.server->baseline.modelindex = (int)PRVM_serveredictfloat(svent, modelindex);
3103                 }
3104
3105                 large = false;
3106                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
3107                 {
3108                         large = true;
3109                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3110                                 large = false;
3111                 }
3112
3113                 // add to the message
3114                 if (large)
3115                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
3116                 else
3117                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
3118                 MSG_WriteShort (&sv.signon, entnum);
3119
3120                 if (large)
3121                 {
3122                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3123                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
3124                 }
3125                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3126                 {
3127                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3128                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3129                 }
3130                 else
3131                 {
3132                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
3133                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3134                 }
3135                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
3136                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
3137                 for (i=0 ; i<3 ; i++)
3138                 {
3139                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
3140                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
3141                 }
3142         }
3143 }
3144
3145 /*
3146 ================
3147 SV_Prepare_CSQC
3148
3149 Load csprogs.dat and comperss it so it doesn't need to be
3150 reloaded on request.
3151 ================
3152 */
3153 static void SV_Prepare_CSQC(void)
3154 {
3155         fs_offset_t progsize;
3156
3157         if(svs.csqc_progdata)
3158         {
3159                 Con_DPrintf("Unloading old CSQC data.\n");
3160                 Mem_Free(svs.csqc_progdata);
3161                 if(svs.csqc_progdata_deflated)
3162                         Mem_Free(svs.csqc_progdata_deflated);
3163         }
3164
3165         svs.csqc_progdata = NULL;
3166         svs.csqc_progdata_deflated = NULL;
3167
3168         sv.csqc_progname[0] = 0;
3169         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
3170
3171         if(progsize > 0)
3172         {
3173                 size_t deflated_size;
3174
3175                 sv.csqc_progsize = (int)progsize;
3176                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
3177                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
3178                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
3179
3180                 Con_DPrint("Compressing csprogs.dat\n");
3181                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
3182                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
3183                 svs.csqc_progsize_deflated = (int)deflated_size;
3184                 if(svs.csqc_progdata_deflated)
3185                 {
3186                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
3187                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
3188                 }
3189                 else
3190                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
3191         }
3192 }
3193
3194 /*
3195 ================
3196 SV_SaveSpawnparms
3197
3198 Grabs the current state of each client for saving across the
3199 transition to another level
3200 ================
3201 */
3202 void SV_SaveSpawnparms (void)
3203 {
3204         prvm_prog_t *prog = SVVM_prog;
3205         int             i, j;
3206
3207         svs.serverflags = (int)PRVM_serverglobalfloat(serverflags);
3208
3209         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3210         {
3211                 if (!host_client->active)
3212                         continue;
3213
3214         // call the progs to get default spawn parms for the new client
3215                 PRVM_serverglobalfloat(time) = sv.time;
3216                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3217                 prog->ExecuteProgram(prog, PRVM_serverfunction(SetChangeParms), "QC function SetChangeParms is missing");
3218                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
3219                         host_client->spawn_parms[j] = (&PRVM_serverglobalfloat(parm1))[j];
3220         }
3221 }
3222
3223 /*
3224 ================
3225 SV_SpawnServer
3226
3227 This is called at the start of each level
3228 ================
3229 */
3230
3231 void SV_SpawnServer (const char *server)
3232 {
3233         prvm_prog_t *prog = SVVM_prog;
3234         prvm_edict_t *ent;
3235         int i;
3236         char *entities;
3237         dp_model_t *worldmodel;
3238         char modelname[sizeof(sv.worldname)];
3239         char vabuf[1024];
3240
3241         Con_DPrintf("SpawnServer: %s\n", server);
3242
3243         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
3244
3245         if (!FS_FileExists(modelname))
3246         {
3247                 dpsnprintf (modelname, sizeof(modelname), "maps/%s", server);
3248                 if (!FS_FileExists(modelname))
3249                 {
3250                         Con_Printf("SpawnServer: no map file named maps/%s.bsp\n", server);
3251                         return;
3252                 }
3253         }
3254
3255 //      SV_LockThreadMutex();
3256
3257         if(cls.state == ca_dedicated)
3258                 Sys_MakeProcessNice();
3259
3260         if (cls.state != ca_dedicated)
3261         {
3262                 SCR_BeginLoadingPlaque(false);
3263                 S_StopAllSounds();
3264         }
3265
3266         if(sv.active)
3267         {
3268                 World_End(&sv.world);
3269                 if(PRVM_serverfunction(SV_Shutdown))
3270                 {
3271                         func_t s = PRVM_serverfunction(SV_Shutdown);
3272                         PRVM_serverglobalfloat(time) = sv.time;
3273                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
3274                         prog->ExecuteProgram(prog, s,"SV_Shutdown() required");
3275                 }
3276         }
3277
3278         // free q3 shaders so that any newly downloaded shaders will be active
3279         Mod_FreeQ3Shaders();
3280
3281         worldmodel = Mod_ForName(modelname, false, developer.integer > 0, NULL);
3282         if (!worldmodel || !worldmodel->TraceBox)
3283         {
3284                 Con_Printf("Couldn't load map %s\n", modelname);
3285
3286                 if(cls.state == ca_dedicated)
3287                         Sys_MakeProcessMean();
3288
3289 //              SV_UnlockThreadMutex();
3290
3291                 return;
3292         }
3293
3294         Collision_Cache_Reset(true);
3295
3296         // let's not have any servers with no name
3297         if (hostname.string[0] == 0)
3298                 Cvar_Set ("hostname", "UNNAMED");
3299         scr_centertime_off = 0;
3300
3301         svs.changelevel_issued = false;         // now safe to issue another
3302
3303         // make the map a required file for clients
3304         Curl_ClearRequirements();
3305         Curl_RequireFile(modelname);
3306
3307 //
3308 // tell all connected clients that we are going to a new level
3309 //
3310         if (sv.active)
3311         {
3312                 client_t *client;
3313                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3314                 {
3315                         if (client->netconnection)
3316                         {
3317                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3318                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3319                         }
3320                 }
3321         }
3322         else
3323         {
3324                 // open server port
3325                 NetConn_OpenServerPorts(true);
3326         }
3327
3328 //
3329 // make cvars consistant
3330 //
3331         if (coop.integer)
3332                 Cvar_SetValue ("deathmatch", 0);
3333         // LordHavoc: it can be useful to have skills outside the range 0-3...
3334         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3335         //Cvar_SetValue ("skill", (float)current_skill);
3336         current_skill = (int)(skill.value + 0.5);
3337
3338 //
3339 // set up the new server
3340 //
3341         memset (&sv, 0, sizeof(sv));
3342         // if running a local client, make sure it doesn't try to access the last
3343         // level's data which is no longer valiud
3344         cls.signon = 0;
3345
3346         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
3347
3348         if(*sv_random_seed.string)
3349         {
3350                 srand(sv_random_seed.integer);
3351                 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);
3352         }
3353
3354         SV_VM_Setup();
3355
3356         sv.active = true;
3357
3358         // set level base name variables for later use
3359         strlcpy (sv.name, server, sizeof (sv.name));
3360         strlcpy(sv.worldname, modelname, sizeof(sv.worldname));
3361         FS_StripExtension(sv.worldname, sv.worldnamenoextension, sizeof(sv.worldnamenoextension));
3362         strlcpy(sv.worldbasename, !strncmp(sv.worldnamenoextension, "maps/", 5) ? sv.worldnamenoextension + 5 : sv.worldnamenoextension, sizeof(sv.worldbasename));
3363         //Cvar_SetQuick(&sv_worldmessage, sv.worldmessage); // set later after QC is spawned
3364         Cvar_SetQuick(&sv_worldname, sv.worldname);
3365         Cvar_SetQuick(&sv_worldnamenoextension, sv.worldnamenoextension);
3366         Cvar_SetQuick(&sv_worldbasename, sv.worldbasename);
3367
3368         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3369         if (sv.protocol == PROTOCOL_UNKNOWN)
3370         {
3371                 char buffer[1024];
3372                 Protocol_Names(buffer, sizeof(buffer));
3373                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3374                 sv.protocol = PROTOCOL_QUAKE;
3375         }
3376
3377 // load progs to get entity field count
3378         //PR_LoadProgs ( sv_progs.string );
3379
3380         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3381         sv.datagram.cursize = 0;
3382         sv.datagram.data = sv.datagram_buf;
3383
3384         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3385         sv.reliable_datagram.cursize = 0;
3386         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3387
3388         sv.signon.maxsize = sizeof(sv.signon_buf);
3389         sv.signon.cursize = 0;
3390         sv.signon.data = sv.signon_buf;
3391
3392 // leave slots at start for clients only
3393         //prog->num_edicts = svs.maxclients+1;
3394
3395         sv.state = ss_loading;
3396         prog->allowworldwrites = true;
3397         sv.paused = false;
3398
3399         sv.time = 1.0;
3400
3401         Mod_ClearUsed();
3402         worldmodel->used = true;
3403
3404         sv.worldmodel = worldmodel;
3405         sv.models[1] = sv.worldmodel;
3406
3407 //
3408 // clear world interaction links
3409 //
3410         World_SetSize(&sv.world, sv.worldname, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs, prog);
3411         World_Start(&sv.world);
3412
3413         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3414
3415         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3416         strlcpy(sv.model_precache[1], sv.worldname, sizeof(sv.model_precache[1]));
3417         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3418         {
3419                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3420                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.worldname);
3421         }
3422         if(i < sv.worldmodel->brush.numsubmodels)
3423                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3424
3425 //
3426 // load the rest of the entities
3427 //
3428         // AK possible hack since num_edicts is still 0
3429         ent = PRVM_EDICT_NUM(0);
3430         memset (ent->fields.fp, 0, prog->entityfields * sizeof(prvm_vec_t));
3431         ent->priv.server->free = false;
3432         PRVM_serveredictstring(ent, model) = PRVM_SetEngineString(prog, sv.worldname);
3433         PRVM_serveredictfloat(ent, modelindex) = 1;             // world model
3434         PRVM_serveredictfloat(ent, solid) = SOLID_BSP;
3435         PRVM_serveredictfloat(ent, movetype) = MOVETYPE_PUSH;
3436         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, mins));
3437         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, maxs));
3438         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, absmin));
3439         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, absmax));
3440
3441         if (coop.value)
3442                 PRVM_serverglobalfloat(coop) = coop.integer;
3443         else
3444                 PRVM_serverglobalfloat(deathmatch) = deathmatch.integer;
3445
3446         PRVM_serverglobalstring(mapname) = PRVM_SetEngineString(prog, sv.name);
3447
3448 // serverflags are for cross level information (sigils)
3449         PRVM_serverglobalfloat(serverflags) = svs.serverflags;
3450
3451         // we need to reset the spawned flag on all connected clients here so that
3452         // their thinks don't run during startup (before PutClientInServer)
3453         // we also need to set up the client entities now
3454         // and we need to set the ->edict pointers to point into the progs edicts
3455         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3456         {
3457                 host_client->begun = false;
3458                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3459                 PRVM_ED_ClearEdict(prog, host_client->edict);
3460         }
3461
3462         // load replacement entity file if found
3463         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va(vabuf, sizeof(vabuf), "%s.ent", sv.worldnamenoextension), tempmempool, true, NULL)))
3464         {
3465                 Con_Printf("Loaded %s.ent\n", sv.worldnamenoextension);
3466                 PRVM_ED_LoadFromFile(prog, entities);
3467                 Mem_Free(entities);
3468         }
3469         else
3470                 PRVM_ED_LoadFromFile(prog, sv.worldmodel->brush.entities);
3471
3472
3473         // LordHavoc: clear world angles (to fix e3m3.bsp)
3474         VectorClear(PRVM_serveredictvector(prog->edicts, angles));
3475
3476 // all setup is completed, any further precache statements are errors
3477 //      sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3478         prog->allowworldwrites = false;
3479
3480 // run two frames to allow everything to settle
3481         sv.time = 1.0001;
3482         for (i = 0;i < 2;i++)
3483         {
3484                 sv.frametime = 0.1;
3485                 SV_Physics ();
3486         }
3487
3488         if (cls.state == ca_dedicated)
3489                 Mod_PurgeUnused();
3490
3491 // create a baseline for more efficient communications
3492         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)
3493                 SV_CreateBaseline ();
3494
3495         sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3496
3497 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3498         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3499         {
3500                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3501                 if (!host_client->active)
3502                         continue;
3503                 if (host_client->netconnection)
3504                         SV_SendServerinfo(host_client);
3505                 else
3506                 {
3507                         int j;
3508                         // if client is a botclient coming from a level change, we need to
3509                         // set up client info that normally requires networking
3510
3511                         // copy spawn parms out of the client_t
3512                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3513                                 (&PRVM_serverglobalfloat(parm1))[j] = host_client->spawn_parms[j];
3514
3515                         // call the spawn function
3516                         host_client->clientconnectcalled = true;
3517                         PRVM_serverglobalfloat(time) = sv.time;
3518                         PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3519                         prog->ExecuteProgram(prog, PRVM_serverfunction(ClientConnect), "QC function ClientConnect is missing");
3520                         prog->ExecuteProgram(prog, PRVM_serverfunction(PutClientInServer), "QC function PutClientInServer is missing");
3521                         host_client->begun = true;
3522                 }
3523         }
3524
3525         // update the map title cvar
3526         strlcpy(sv.worldmessage, PRVM_GetString(prog, PRVM_serveredictstring(prog->edicts, message)), sizeof(sv.worldmessage)); // map title (not related to filename)
3527         Cvar_SetQuick(&sv_worldmessage, sv.worldmessage);
3528
3529         Con_DPrint("Server spawned.\n");
3530         NetConn_Heartbeat (2);
3531
3532         if(cls.state == ca_dedicated)
3533                 Sys_MakeProcessMean();
3534
3535 //      SV_UnlockThreadMutex();
3536 }
3537
3538 /////////////////////////////////////////////////////
3539 // SV VM stuff
3540
3541 static void SVVM_begin_increase_edicts(prvm_prog_t *prog)
3542 {
3543         // links don't survive the transition, so unlink everything
3544         World_UnlinkAll(&sv.world);
3545 }
3546
3547 static void SVVM_end_increase_edicts(prvm_prog_t *prog)
3548 {
3549         int i;
3550         prvm_edict_t *ent;
3551
3552         // link every entity except world
3553         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
3554                 if (!ent->priv.server->free)
3555                         SV_LinkEdict(ent);
3556 }
3557
3558 static void SVVM_init_edict(prvm_prog_t *prog, prvm_edict_t *e)
3559 {
3560         // LordHavoc: for consistency set these here
3561         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3562
3563         e->priv.server->move = false; // don't move on first frame
3564
3565         if (num >= 0 && num < svs.maxclients)
3566         {
3567                 // set colormap and team on newly created player entity
3568                 PRVM_serveredictfloat(e, colormap) = num + 1;
3569                 PRVM_serveredictfloat(e, team) = (svs.clients[num].colors & 15) + 1;
3570                 // set netname/clientcolors back to client values so that
3571                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3572                 // reset them
3573                 PRVM_serveredictstring(e, netname) = PRVM_SetEngineString(prog, svs.clients[num].name);
3574                 PRVM_serveredictfloat(e, clientcolors) = svs.clients[num].colors;
3575                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3576                 PRVM_serveredictstring(e, playermodel) = PRVM_SetEngineString(prog, svs.clients[num].playermodel);
3577                 PRVM_serveredictstring(e, playerskin) = PRVM_SetEngineString(prog, svs.clients[num].playerskin);
3578                 // Assign netaddress (IP Address, etc)
3579                 if(svs.clients[num].netconnection != NULL)
3580                 {
3581                         // Acquire Readable Address
3582                         LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3583                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(prog, svs.clients[num].netaddress);
3584                 }
3585                 else
3586                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(prog, "null/botclient");
3587                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_idfp[0])
3588                         PRVM_serveredictstring(e, crypto_idfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.client_idfp);
3589                 else
3590                         PRVM_serveredictstring(e, crypto_idfp) = 0;
3591                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_keyfp[0])
3592                         PRVM_serveredictstring(e, crypto_keyfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.client_keyfp);
3593                 else
3594                         PRVM_serveredictstring(e, crypto_keyfp) = 0;
3595                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.server_keyfp[0])
3596                         PRVM_serveredictstring(e, crypto_mykeyfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.server_keyfp);
3597                 else
3598                         PRVM_serveredictstring(e, crypto_mykeyfp) = 0;
3599                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.use_aes)
3600                         PRVM_serveredictstring(e, crypto_encryptmethod) = PRVM_SetEngineString(prog, "AES128");
3601                 else
3602                         PRVM_serveredictstring(e, crypto_encryptmethod) = 0;
3603                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated)
3604                         PRVM_serveredictstring(e, crypto_signmethod) = PRVM_SetEngineString(prog, "HMAC-SHA256");
3605                 else
3606                         PRVM_serveredictstring(e, crypto_signmethod) = 0;
3607         }
3608 }
3609
3610 static void SVVM_free_edict(prvm_prog_t *prog, prvm_edict_t *ed)
3611 {
3612         int i;
3613         int e;
3614
3615         World_UnlinkEdict(ed);          // unlink from world bsp
3616
3617         PRVM_serveredictstring(ed, model) = 0;
3618         PRVM_serveredictfloat(ed, takedamage) = 0;
3619         PRVM_serveredictfloat(ed, modelindex) = 0;
3620         PRVM_serveredictfloat(ed, colormap) = 0;
3621         PRVM_serveredictfloat(ed, skin) = 0;
3622         PRVM_serveredictfloat(ed, frame) = 0;
3623         VectorClear(PRVM_serveredictvector(ed, origin));
3624         VectorClear(PRVM_serveredictvector(ed, angles));
3625         PRVM_serveredictfloat(ed, nextthink) = -1;
3626         PRVM_serveredictfloat(ed, solid) = 0;
3627
3628         VM_RemoveEdictSkeleton(prog, ed);
3629         World_Physics_RemoveFromEntity(&sv.world, ed);
3630         World_Physics_RemoveJointFromEntity(&sv.world, ed);
3631
3632         // make sure csqc networking is aware of the removed entity
3633         e = PRVM_NUM_FOR_EDICT(ed);
3634         sv.csqcentityversion[e] = 0;
3635         for (i = 0;i < svs.maxclients;i++)
3636         {
3637                 if (svs.clients[i].csqcentityscope[e])
3638                         svs.clients[i].csqcentityscope[e] = 1; // removed, awaiting send
3639                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3640         }
3641 }
3642
3643 static void SVVM_count_edicts(prvm_prog_t *prog)
3644 {
3645         int             i;
3646         prvm_edict_t    *ent;
3647         int             active, models, solid, step;
3648
3649         active = models = solid = step = 0;
3650         for (i=0 ; i<prog->num_edicts ; i++)
3651         {
3652                 ent = PRVM_EDICT_NUM(i);
3653                 if (ent->priv.server->free)
3654                         continue;
3655                 active++;
3656                 if (PRVM_serveredictfloat(ent, solid))
3657                         solid++;
3658                 if (PRVM_serveredictstring(ent, model))
3659                         models++;
3660                 if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
3661                         step++;
3662         }
3663
3664         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3665         Con_Printf("active    :%3i\n", active);
3666         Con_Printf("view      :%3i\n", models);
3667         Con_Printf("touch     :%3i\n", solid);
3668         Con_Printf("step      :%3i\n", step);
3669 }
3670
3671 static qboolean SVVM_load_edict(prvm_prog_t *prog, prvm_edict_t *ent)
3672 {
3673         // remove things from different skill levels or deathmatch
3674         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3675         {
3676                 if (deathmatch.integer)
3677                 {
3678                         if (((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_DEATHMATCH))
3679                         {
3680                                 return false;
3681                         }
3682                 }
3683                 else if ((current_skill <= 0 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_EASY  ))
3684                         || (current_skill == 1 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_MEDIUM))
3685                         || (current_skill >= 2 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_HARD  )))
3686                 {
3687                         return false;
3688                 }
3689         }
3690         return true;
3691 }
3692
3693 static void SV_VM_Setup(void)
3694 {
3695         prvm_prog_t *prog = SVVM_prog;
3696         PRVM_Prog_Init(prog);
3697
3698         // allocate the mempools
3699         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3700         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3701         prog->builtins = vm_sv_builtins;
3702         prog->numbuiltins = vm_sv_numbuiltins;
3703         prog->max_edicts = 512;
3704         if (sv.protocol == PROTOCOL_QUAKE)
3705                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3706         else if (sv.protocol == PROTOCOL_QUAKEDP)
3707                 prog->limit_edicts = 2048; // guessing
3708         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3709                 prog->limit_edicts = 2048; // guessing!
3710         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3711                 prog->limit_edicts = 4096; // guessing!
3712         else
3713                 prog->limit_edicts = MAX_EDICTS;
3714         prog->reserved_edicts = svs.maxclients;
3715         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3716         prog->name = "server";
3717         prog->extensionstring = vm_sv_extensions;
3718         prog->loadintoworld = true;
3719
3720         // all callbacks must be defined (pointers are not checked before calling)
3721         prog->begin_increase_edicts = SVVM_begin_increase_edicts;
3722         prog->end_increase_edicts   = SVVM_end_increase_edicts;
3723         prog->init_edict            = SVVM_init_edict;
3724         prog->free_edict            = SVVM_free_edict;
3725         prog->count_edicts          = SVVM_count_edicts;
3726         prog->load_edict            = SVVM_load_edict;
3727         prog->init_cmd              = SVVM_init_cmd;
3728         prog->reset_cmd             = SVVM_reset_cmd;
3729         prog->error_cmd             = Host_Error;
3730         prog->ExecuteProgram        = SVVM_ExecuteProgram;
3731
3732         PRVM_Prog_Load(prog, sv_progs.string, NULL, 0, SV_REQFUNCS, sv_reqfuncs, SV_REQFIELDS, sv_reqfields, SV_REQGLOBALS, sv_reqglobals);
3733
3734         // some mods compiled with scrambling compilers lack certain critical
3735         // global names and field names such as "self" and "time" and "nextthink"
3736         // so we have to set these offsets manually, matching the entvars_t
3737         // but we only do this if the prog header crc matches, otherwise it's totally freeform
3738         if (prog->progs_crc == PROGHEADER_CRC || prog->progs_crc == PROGHEADER_CRC_TENEBRAE)
3739         {
3740                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, modelindex);
3741                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmin);
3742                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmax);
3743                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ltime);
3744                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movetype);
3745                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, solid);
3746                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, origin);
3747                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, oldorigin);
3748                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, velocity);
3749                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3750                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, avelocity);
3751                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, punchangle);
3752                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3753                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, model);
3754                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3755                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, skin);
3756                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, effects);
3757                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, mins);
3758                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, maxs);
3759                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, size);
3760                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, touch);
3761                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, use);
3762                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3763                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, blocked);
3764                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3765                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3766                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, health);
3767                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frags);
3768                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weapon);
3769                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponmodel);
3770                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponframe);
3771                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, currentammo);
3772                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_shells);
3773                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_nails);
3774                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_rockets);
3775                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_cells);
3776                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, items);
3777                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, takedamage);
3778                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3779                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, deadflag);
3780                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, view_ofs);
3781                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button0);
3782                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button1);
3783                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button2);
3784                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, impulse);
3785                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, fixangle);
3786                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, v_angle);
3787                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, idealpitch);
3788                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, netname);
3789                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, enemy);
3790                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, flags);
3791                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, colormap);
3792                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, team);
3793                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, max_health);
3794                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, teleport_time);
3795                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armortype);
3796                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armorvalue);
3797                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, waterlevel);
3798                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, watertype);
3799                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
3800                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
3801                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, aiment);
3802                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, goalentity);
3803                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, spawnflags);
3804                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, target);
3805                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, targetname);
3806                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_take);
3807                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_save);
3808                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_inflictor);
3809                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, owner);
3810                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movedir);
3811                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, message);
3812                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, sounds);
3813                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise);
3814                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise1);
3815                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise2);
3816                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise3);
3817                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
3818                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, other);
3819                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, world);
3820                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
3821                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, frametime);
3822                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, force_retouch);
3823                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, mapname);
3824                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, deathmatch);
3825                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, coop);
3826                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, teamplay);
3827                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, serverflags);
3828                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_secrets);
3829                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_monsters);
3830                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, found_secrets);
3831                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, killed_monsters);
3832                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm1);
3833                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm2);
3834                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm3);
3835                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm4);
3836                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm5);
3837                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm6);
3838                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm7);
3839                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm8);
3840                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm9);
3841                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm10);
3842                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm11);
3843                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm12);
3844                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm13);
3845                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm14);
3846                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm15);
3847                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm16);
3848                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
3849                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
3850                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
3851                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
3852                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
3853                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
3854                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
3855                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
3856                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
3857                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
3858                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
3859                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
3860                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, msg_entity);
3861 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, main);
3862 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, StartFrame);
3863 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPreThink);
3864 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPostThink);
3865 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientKill);
3866 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientConnect);
3867 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PutClientInServer);
3868 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientDisconnect);
3869 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetNewParms);
3870 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetChangeParms);
3871         }
3872         else
3873                 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);
3874
3875         // OP_STATE is always supported on server because we add fields/globals for it
3876         prog->flag |= PRVM_OP_STATE;
3877
3878         VM_CustomStats_Clear();//[515]: csqc
3879
3880         SV_Prepare_CSQC();
3881 }
3882
3883 extern cvar_t host_maxwait;
3884 extern cvar_t host_framerate;
3885 static int SV_ThreadFunc(void *voiddata)
3886 {
3887         prvm_prog_t *prog = SVVM_prog;
3888         qboolean playing = false;
3889         double sv_timer = 0;
3890         double sv_deltarealtime, sv_oldrealtime, sv_realtime;
3891         double wait;
3892         int i;
3893         char vabuf[1024];
3894         sv_realtime = Sys_DirtyTime();
3895         while (!svs.threadstop)
3896         {
3897                 // FIXME: we need to handle Host_Error in the server thread somehow
3898 //              if (setjmp(sv_abortframe))
3899 //                      continue;                       // something bad happened in the server game
3900
3901                 sv_oldrealtime = sv_realtime;
3902                 sv_realtime = Sys_DirtyTime();
3903                 sv_deltarealtime = sv_realtime - sv_oldrealtime;
3904                 if (sv_deltarealtime < 0 || sv_deltarealtime >= 1800) sv_deltarealtime = 0;
3905
3906                 sv_timer += sv_deltarealtime;
3907
3908                 svs.perf_acc_realtime += sv_deltarealtime;
3909
3910                 // 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)
3911                 SV_LockThreadMutex();
3912
3913                 // Look for clients who have spawned
3914                 playing = false;
3915                 if (sv.active)
3916                         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3917                                 if(host_client->begun)
3918                                         if(host_client->netconnection)
3919                                                 playing = true;
3920                 if(sv.time < 10)
3921                 {
3922                         // don't accumulate time for the first 10 seconds of a match
3923                         // so things can settle
3924                         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;
3925                 }
3926                 else if(svs.perf_acc_realtime > 5)
3927                 {
3928                         svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
3929                         svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
3930                         if(svs.perf_acc_offset_samples > 0)
3931                         {
3932                                 svs.perf_offset_max = svs.perf_acc_offset_max;
3933                                 svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
3934                                 svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
3935                         }
3936                         if(svs.perf_lost > 0 && developer_extra.integer)
3937                                 if(playing)
3938                                         Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport(vabuf, sizeof(vabuf)));
3939                         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;
3940                 }
3941
3942                 // get new packets
3943                 if (sv.active)
3944                         NetConn_ServerFrame();
3945
3946                 // if the accumulators haven't become positive yet, wait a while
3947                 wait = sv_timer * -1000000.0;
3948                 if (wait >= 1)
3949                 {
3950                         double time0, delta;
3951                         SV_UnlockThreadMutex(); // don't keep mutex locked while sleeping
3952                         if (host_maxwait.value <= 0)
3953                                 wait = min(wait, 1000000.0);
3954                         else
3955                                 wait = min(wait, host_maxwait.value * 1000.0);
3956                         if(wait < 1)
3957                                 wait = 1; // because we cast to int
3958                         time0 = Sys_DirtyTime();
3959                         Sys_Sleep((int)wait);
3960                         delta = Sys_DirtyTime() - time0;if (delta < 0 || delta >= 1800) delta = 0;
3961                         svs.perf_acc_sleeptime += delta;
3962                         continue;
3963                 }
3964
3965                 if (sv.active && sv_timer > 0)
3966                 {
3967                         // execute one server frame
3968                         double advancetime;
3969                         float offset;
3970
3971                         if (sys_ticrate.value <= 0)
3972                                 advancetime = min(sv_timer, 0.1); // don't step more than 100ms
3973                         else
3974                                 advancetime = sys_ticrate.value;
3975
3976                         if(advancetime > 0)
3977                         {
3978                                 offset = sv_timer + (Sys_DirtyTime() - sv_realtime); // LordHavoc: FIXME: I don't understand this line
3979                                 ++svs.perf_acc_offset_samples;
3980                                 svs.perf_acc_offset += offset;
3981                                 svs.perf_acc_offset_squared += offset * offset;
3982                                 if(svs.perf_acc_offset_max < offset)
3983                                         svs.perf_acc_offset_max = offset;
3984                         }
3985
3986                         // only advance time if not paused
3987                         // the game also pauses in singleplayer when menu or console is used
3988                         sv.frametime = advancetime * slowmo.value;
3989                         if (host_framerate.value)
3990                                 sv.frametime = host_framerate.value;
3991                         if (sv.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
3992                                 sv.frametime = 0;
3993
3994                         sv_timer -= advancetime;
3995
3996                         // move things around and think unless paused
3997                         if (sv.frametime)
3998                                 SV_Physics();
3999
4000                         // send all messages to the clients
4001                         SV_SendClientMessages();
4002
4003                         if (sv.paused == 1 && sv_realtime > sv.pausedstart && sv.pausedstart > 0)
4004                         {
4005                                 PRVM_serverglobalfloat(time) = sv.time;
4006                                 prog->globals.fp[OFS_PARM0] = sv_realtime - sv.pausedstart;
4007                                 prog->ExecuteProgram(prog, PRVM_serverfunction(SV_PausedTic), "QC function SV_PausedTic is missing");
4008                         }
4009
4010                         // send an heartbeat if enough time has passed since the last one
4011                         NetConn_Heartbeat(0);
4012
4013                 }
4014
4015                 // we're back to safe code now
4016                 SV_UnlockThreadMutex();
4017
4018                 // if there is some time remaining from this frame, reset the timers
4019                 if (sv_timer >= 0)
4020                 {
4021                         svs.perf_acc_lost += sv_timer;
4022                         sv_timer = 0;
4023                 }
4024         }
4025         return 0;
4026 }
4027
4028 void SV_StartThread(void)
4029 {
4030         if (!sv_threaded.integer || !Thread_HasThreads())
4031                 return;
4032         svs.threaded = true;
4033         svs.threadstop = false;
4034         svs.threadmutex = Thread_CreateMutex();
4035         svs.thread = Thread_CreateThread(SV_ThreadFunc, NULL);
4036 }
4037
4038 void SV_StopThread(void)
4039 {
4040         if (!svs.threaded)
4041                 return;
4042         svs.threadstop = true;
4043         Thread_WaitThread(svs.thread, 0);
4044         Thread_DestroyMutex(svs.threadmutex);
4045         svs.threaded = false;
4046 }