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