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%.*s, I am %.*s@%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                                 (client->netconnection->crypto.client_issigned || !client->netconnection->crypto.client_keyfp[0]) ? "" : "~",
1093                                 crypto_keyfp_recommended_length, client->netconnection->crypto.client_keyfp[0] ? client->netconnection->crypto.client_keyfp : "-",
1094                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_idfp[0] ? client->netconnection->crypto.server_idfp : "-",
1095                                 (client->netconnection->crypto.server_issigned || !client->netconnection->crypto.server_keyfp[0]) ? "" : "~",
1096                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_keyfp[0] ? client->netconnection->crypto.server_keyfp : "-"
1097                                 );
1098         }
1099
1100         strlcpy(client->name, "unconnected", sizeof(client->name));
1101         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
1102         client->prespawned = false;
1103         client->spawned = false;
1104         client->begun = false;
1105         client->edict = PRVM_EDICT_NUM(clientnum+1);
1106         if (client->netconnection)
1107                 client->netconnection->message.allowoverflow = true;            // we can catch it
1108         // prepare the unreliable message buffer
1109         client->unreliablemsg.data = client->unreliablemsg_data;
1110         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
1111         // updated by receiving "rate" command from client, this is also the default if not using a DP client
1112         client->rate = 1000000000;
1113         client->connecttime = realtime;
1114
1115         if (!sv.loadgame)
1116         {
1117                 // call the progs to get default spawn parms for the new client
1118                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
1119                 PRVM_serverglobalfloat(time) = sv.time;
1120                 PRVM_serverglobaledict(self) = 0;
1121                 prog->ExecuteProgram(prog, PRVM_serverfunction(SetNewParms), "QC function SetNewParms is missing");
1122                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1123                         client->spawn_parms[i] = (&PRVM_serverglobalfloat(parm1))[i];
1124
1125                 // set up the entity for this client (including .colormap, .team, etc)
1126                 PRVM_ED_ClearEdict(prog, client->edict);
1127         }
1128
1129         // don't call SendServerinfo for a fresh botclient because its fields have
1130         // not been set up by the qc yet
1131         if (client->netconnection)
1132                 SV_SendServerinfo (client);
1133         else
1134                 client->prespawned = client->spawned = client->begun = true;
1135 }
1136
1137
1138 /*
1139 ===============================================================================
1140
1141 FRAME UPDATES
1142
1143 ===============================================================================
1144 */
1145
1146 /*
1147 =============================================================================
1148
1149 The PVS must include a small area around the client to allow head bobbing
1150 or other small motion on the client side.  Otherwise, a bob might cause an
1151 entity that should be visible to not show up, especially when the bob
1152 crosses a waterline.
1153
1154 =============================================================================
1155 */
1156
1157 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1158 {
1159         prvm_prog_t *prog = SVVM_prog;
1160         int i;
1161         unsigned int sendflags;
1162         unsigned int version;
1163         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1164         unsigned int customizeentityforclient;
1165         unsigned int sendentity;
1166         float f;
1167         prvm_vec_t *v;
1168         vec3_t cullmins, cullmaxs;
1169         dp_model_t *model;
1170
1171         // fast path for games that do not use legacy entity networking
1172         // note: still networks clients even if they are legacy
1173         sendentity = PRVM_serveredictfunction(ent, SendEntity);
1174         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1175                 return false;
1176
1177         // this 2 billion unit check is actually to detect NAN origins
1178         // (we really don't want to send those)
1179         if (!(VectorLength2(PRVM_serveredictvector(ent, origin)) < 2000000000.0*2000000000.0))
1180                 return false;
1181
1182         // EF_NODRAW prevents sending for any reason except for your own
1183         // client, so we must keep all clients in this superset
1184         effects = (unsigned)PRVM_serveredictfloat(ent, effects);
1185
1186         // we can omit invisible entities with no effects that are not clients
1187         // LordHavoc: this could kill tags attached to an invisible entity, I
1188         // just hope we never have to support that case
1189         i = (int)PRVM_serveredictfloat(ent, modelindex);
1190         modelindex = (i >= 1 && i < MAX_MODELS && PRVM_serveredictstring(ent, model) && *PRVM_GetString(prog, PRVM_serveredictstring(ent, model)) && sv.models[i]) ? i : 0;
1191
1192         flags = 0;
1193         i = (int)(PRVM_serveredictfloat(ent, glow_size) * 0.25f);
1194         glowsize = (unsigned char)bound(0, i, 255);
1195         if (PRVM_serveredictfloat(ent, glow_trail))
1196                 flags |= RENDER_GLOWTRAIL;
1197         if (PRVM_serveredictedict(ent, viewmodelforclient))
1198                 flags |= RENDER_VIEWMODEL;
1199
1200         v = PRVM_serveredictvector(ent, color);
1201         f = v[0]*256;
1202         light[0] = (unsigned short)bound(0, f, 65535);
1203         f = v[1]*256;
1204         light[1] = (unsigned short)bound(0, f, 65535);
1205         f = v[2]*256;
1206         light[2] = (unsigned short)bound(0, f, 65535);
1207         f = PRVM_serveredictfloat(ent, light_lev);
1208         light[3] = (unsigned short)bound(0, f, 65535);
1209         lightstyle = (unsigned char)PRVM_serveredictfloat(ent, style);
1210         lightpflags = (unsigned char)PRVM_serveredictfloat(ent, pflags);
1211
1212         if (gamemode == GAME_TENEBRAE)
1213         {
1214                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1215                 if (effects & 16)
1216                 {
1217                         effects &= ~16;
1218                         lightpflags |= PFLAGS_FULLDYNAMIC;
1219                 }
1220                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1221                 if (effects & 32)
1222                 {
1223                         effects &= ~32;
1224                         light[0] = (int)(0.2*256);
1225                         light[1] = (int)(1.0*256);
1226                         light[2] = (int)(0.2*256);
1227                         light[3] = 200;
1228                         lightpflags |= PFLAGS_FULLDYNAMIC;
1229                 }
1230         }
1231
1232         specialvisibilityradius = 0;
1233         if (lightpflags & PFLAGS_FULLDYNAMIC)
1234                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1235         if (glowsize)
1236                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1237         if (flags & RENDER_GLOWTRAIL)
1238                 specialvisibilityradius = max(specialvisibilityradius, 100);
1239         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1240         {
1241                 if (effects & EF_BRIGHTFIELD)
1242                         specialvisibilityradius = max(specialvisibilityradius, 80);
1243                 if (effects & EF_MUZZLEFLASH)
1244                         specialvisibilityradius = max(specialvisibilityradius, 100);
1245                 if (effects & EF_BRIGHTLIGHT)
1246                         specialvisibilityradius = max(specialvisibilityradius, 400);
1247                 if (effects & EF_DIMLIGHT)
1248                         specialvisibilityradius = max(specialvisibilityradius, 200);
1249                 if (effects & EF_RED)
1250                         specialvisibilityradius = max(specialvisibilityradius, 200);
1251                 if (effects & EF_BLUE)
1252                         specialvisibilityradius = max(specialvisibilityradius, 200);
1253                 if (effects & EF_FLAME)
1254                         specialvisibilityradius = max(specialvisibilityradius, 250);
1255                 if (effects & EF_STARDUST)
1256                         specialvisibilityradius = max(specialvisibilityradius, 100);
1257         }
1258
1259         // early culling checks
1260         // (final culling is done by SV_MarkWriteEntityStateToClient)
1261         customizeentityforclient = PRVM_serveredictfunction(ent, customizeentityforclient);
1262         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1263                 return false;
1264
1265         *cs = defaultstate;
1266         cs->active = ACTIVE_NETWORK;
1267         cs->number = enumber;
1268         VectorCopy(PRVM_serveredictvector(ent, origin), cs->origin);
1269         VectorCopy(PRVM_serveredictvector(ent, angles), cs->angles);
1270         cs->flags = flags;
1271         cs->effects = effects;
1272         cs->colormap = (unsigned)PRVM_serveredictfloat(ent, colormap);
1273         cs->modelindex = modelindex;
1274         cs->skin = (unsigned)PRVM_serveredictfloat(ent, skin);
1275         cs->frame = (unsigned)PRVM_serveredictfloat(ent, frame);
1276         cs->viewmodelforclient = PRVM_serveredictedict(ent, viewmodelforclient);
1277         cs->exteriormodelforclient = PRVM_serveredictedict(ent, exteriormodeltoclient);
1278         cs->nodrawtoclient = PRVM_serveredictedict(ent, nodrawtoclient);
1279         cs->drawonlytoclient = PRVM_serveredictedict(ent, drawonlytoclient);
1280         cs->customizeentityforclient = customizeentityforclient;
1281         cs->tagentity = PRVM_serveredictedict(ent, tag_entity);
1282         cs->tagindex = (unsigned char)PRVM_serveredictfloat(ent, tag_index);
1283         cs->glowsize = glowsize;
1284         cs->traileffectnum = PRVM_serveredictfloat(ent, traileffectnum);
1285
1286         // don't need to init cs->colormod because the defaultstate did that for us
1287         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1288         v = PRVM_serveredictvector(ent, colormod);
1289         if (VectorLength2(v))
1290         {
1291                 i = (int)(v[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1292                 i = (int)(v[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1293                 i = (int)(v[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1294         }
1295
1296         // don't need to init cs->glowmod because the defaultstate did that for us
1297         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1298         v = PRVM_serveredictvector(ent, glowmod);
1299         if (VectorLength2(v))
1300         {
1301                 i = (int)(v[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1302                 i = (int)(v[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1303                 i = (int)(v[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1304         }
1305
1306         cs->modelindex = modelindex;
1307
1308         cs->alpha = 255;
1309         f = (PRVM_serveredictfloat(ent, alpha) * 255.0f);
1310         if (f)
1311         {
1312                 i = (int)f;
1313                 cs->alpha = (unsigned char)bound(0, i, 255);
1314         }
1315         // halflife
1316         f = (PRVM_serveredictfloat(ent, renderamt));
1317         if (f)
1318         {
1319                 i = (int)f;
1320                 cs->alpha = (unsigned char)bound(0, i, 255);
1321         }
1322
1323         cs->scale = 16;
1324         f = (PRVM_serveredictfloat(ent, scale) * 16.0f);
1325         if (f)
1326         {
1327                 i = (int)f;
1328                 cs->scale = (unsigned char)bound(0, i, 255);
1329         }
1330
1331         cs->glowcolor = 254;
1332         f = PRVM_serveredictfloat(ent, glow_color);
1333         if (f)
1334                 cs->glowcolor = (int)f;
1335
1336         if (PRVM_serveredictfloat(ent, fullbright))
1337                 cs->effects |= EF_FULLBRIGHT;
1338
1339         f = PRVM_serveredictfloat(ent, modelflags);
1340         if (f)
1341                 cs->effects |= ((unsigned int)f & 0xff) << 24;
1342
1343         if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
1344                 cs->flags |= RENDER_STEP;
1345         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)
1346                 cs->flags |= RENDER_LOWPRECISION;
1347         if (PRVM_serveredictfloat(ent, colormap) >= 1024)
1348                 cs->flags |= RENDER_COLORMAPPED;
1349         if (cs->viewmodelforclient)
1350                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1351
1352         if (PRVM_serveredictfloat(ent, sendcomplexanimation))
1353         {
1354                 cs->flags |= RENDER_COMPLEXANIMATION;
1355                 if (PRVM_serveredictfloat(ent, skeletonindex) >= 1)
1356                         cs->skeletonobject = ent->priv.server->skeleton;
1357                 cs->framegroupblend[0].frame = PRVM_serveredictfloat(ent, frame);
1358                 cs->framegroupblend[1].frame = PRVM_serveredictfloat(ent, frame2);
1359                 cs->framegroupblend[2].frame = PRVM_serveredictfloat(ent, frame3);
1360                 cs->framegroupblend[3].frame = PRVM_serveredictfloat(ent, frame4);
1361                 cs->framegroupblend[0].start = PRVM_serveredictfloat(ent, frame1time);
1362                 cs->framegroupblend[1].start = PRVM_serveredictfloat(ent, frame2time);
1363                 cs->framegroupblend[2].start = PRVM_serveredictfloat(ent, frame3time);
1364                 cs->framegroupblend[3].start = PRVM_serveredictfloat(ent, frame4time);
1365                 cs->framegroupblend[1].lerp = PRVM_serveredictfloat(ent, lerpfrac);
1366                 cs->framegroupblend[2].lerp = PRVM_serveredictfloat(ent, lerpfrac3);
1367                 cs->framegroupblend[3].lerp = PRVM_serveredictfloat(ent, lerpfrac4);
1368                 cs->framegroupblend[0].lerp = 1.0f - cs->framegroupblend[1].lerp - cs->framegroupblend[2].lerp - cs->framegroupblend[3].lerp;
1369                 cs->frame = 0; // don't need the legacy frame
1370         }
1371
1372         cs->light[0] = light[0];
1373         cs->light[1] = light[1];
1374         cs->light[2] = light[2];
1375         cs->light[3] = light[3];
1376         cs->lightstyle = lightstyle;
1377         cs->lightpflags = lightpflags;
1378
1379         cs->specialvisibilityradius = specialvisibilityradius;
1380
1381         // calculate the visible box of this entity (don't use the physics box
1382         // as that is often smaller than a model, and would not count
1383         // specialvisibilityradius)
1384         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1385         {
1386                 float scale = cs->scale * (1.0f / 16.0f);
1387                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1388                 {
1389                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1390                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1391                 }
1392                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1393                 {
1394                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1395                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1396                 }
1397                 else
1398                 {
1399                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1400                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1401                 }
1402         }
1403         else
1404         {
1405                 // if there is no model (or it could not be loaded), use the physics box
1406                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, mins), cullmins);
1407                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, maxs), cullmaxs);
1408         }
1409         if (specialvisibilityradius)
1410         {
1411                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1412                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1413                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1414                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1415                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1416                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1417         }
1418
1419         // calculate center of bbox for network prioritization purposes
1420         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1421
1422         // if culling box has moved, update pvs cluster links
1423         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1424         {
1425                 VectorCopy(cullmins, ent->priv.server->cullmins);
1426                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1427                 // a value of -1 for pvs_numclusters indicates that the links are not
1428                 // cached, and should be re-tested each time, this is the case if the
1429                 // culling box touches too many pvs clusters to store, or if the world
1430                 // model does not support FindBoxClusters
1431                 ent->priv.server->pvs_numclusters = -1;
1432                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1433                 {
1434                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1435                         if (i <= MAX_ENTITYCLUSTERS)
1436                                 ent->priv.server->pvs_numclusters = i;
1437                 }
1438         }
1439
1440         // we need to do some csqc entity upkeep here
1441         // get self.SendFlags and clear them
1442         // (to let the QC know that they've been read)
1443         if (sendentity)
1444         {
1445                 sendflags = (unsigned int)PRVM_serveredictfloat(ent, SendFlags);
1446                 PRVM_serveredictfloat(ent, SendFlags) = 0;
1447                 // legacy self.Version system
1448                 if ((version = (unsigned int)PRVM_serveredictfloat(ent, Version)))
1449                 {
1450                         if (sv.csqcentityversion[enumber] != version)
1451                                 sendflags = 0xFFFFFF;
1452                         sv.csqcentityversion[enumber] = version;
1453                 }
1454                 // move sendflags into the per-client sendflags
1455                 if (sendflags)
1456                         for (i = 0;i < svs.maxclients;i++)
1457                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1458                 // mark it as inactive for non-csqc networking
1459                 cs->active = ACTIVE_SHARED;
1460         }
1461
1462         return true;
1463 }
1464
1465 static void SV_PrepareEntitiesForSending(void)
1466 {
1467         prvm_prog_t *prog = SVVM_prog;
1468         int e;
1469         prvm_edict_t *ent;
1470         // send all entities that touch the pvs
1471         sv.numsendentities = 0;
1472         sv.sendentitiesindex[0] = NULL;
1473         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1474         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1475         {
1476                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1477                 {
1478                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1479                         sv.numsendentities++;
1480                 }
1481         }
1482 }
1483
1484 #define MAX_LINEOFSIGHTTRACES 64
1485
1486 qboolean SV_CanSeeBox(int numtraces, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1487 {
1488         prvm_prog_t *prog = SVVM_prog;
1489         float pitchsign;
1490         float alpha;
1491         float starttransformed[3], endtransformed[3];
1492         int blocked = 0;
1493         int traceindex;
1494         int originalnumtouchedicts;
1495         int numtouchedicts = 0;
1496         int touchindex;
1497         matrix4x4_t matrix, imatrix;
1498         dp_model_t *model;
1499         prvm_edict_t *touch;
1500         static prvm_edict_t *touchedicts[MAX_EDICTS];
1501         vec3_t boxmins, boxmaxs;
1502         vec3_t clipboxmins, clipboxmaxs;
1503         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1504
1505         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1506
1507         // expand the box a little
1508         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
1509         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
1510         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
1511         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
1512         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
1513         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
1514
1515         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1516         for (traceindex = 1;traceindex < numtraces;traceindex++)
1517                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1518
1519         // calculate sweep box for the entire swarm of traces
1520         VectorCopy(eye, clipboxmins);
1521         VectorCopy(eye, clipboxmaxs);
1522         for (traceindex = 0;traceindex < numtraces;traceindex++)
1523         {
1524                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1525                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1526                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1527                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1528                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1529                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1530         }
1531
1532         // get the list of entities in the sweep box
1533         if (sv_cullentities_trace_entityocclusion.integer)
1534                 numtouchedicts = SV_EntitiesInBox(clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1535         if (numtouchedicts > MAX_EDICTS)
1536         {
1537                 // this never happens
1538                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1539                 numtouchedicts = MAX_EDICTS;
1540         }
1541         // iterate the entities found in the sweep box and filter them
1542         originalnumtouchedicts = numtouchedicts;
1543         numtouchedicts = 0;
1544         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1545         {
1546                 touch = touchedicts[touchindex];
1547                 if (PRVM_serveredictfloat(touch, solid) != SOLID_BSP)
1548                         continue;
1549                 model = SV_GetModelFromEdict(touch);
1550                 if (!model || !model->brush.TraceLineOfSight)
1551                         continue;
1552                 // skip obviously transparent entities
1553                 alpha = PRVM_serveredictfloat(touch, alpha);
1554                 if (alpha && alpha < 1)
1555                         continue;
1556                 if ((int)PRVM_serveredictfloat(touch, effects) & EF_ADDITIVE)
1557                         continue;
1558                 touchedicts[numtouchedicts++] = touch;
1559         }
1560
1561         // now that we have a filtered list of "interesting" entities, fire each
1562         // ray against all of them, this gives us an early-out case when something
1563         // is visible (which it often is)
1564
1565         for (traceindex = 0;traceindex < numtraces;traceindex++)
1566         {
1567                 // check world occlusion
1568                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1569                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, eye, endpoints[traceindex]))
1570                                 continue;
1571                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1572                 {
1573                         touch = touchedicts[touchindex];
1574                         model = SV_GetModelFromEdict(touch);
1575                         if(model && model->brush.TraceLineOfSight)
1576                         {
1577                                 // get the entity matrix
1578                                 pitchsign = SV_GetPitchSign(prog, touch);
1579                                 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);
1580                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1581                                 // see if the ray hits this entity
1582                                 Matrix4x4_Transform(&imatrix, eye, starttransformed);
1583                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1584                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed))
1585                                 {
1586                                         blocked++;
1587                                         break;
1588                                 }
1589                         }
1590                 }
1591                 // check if the ray was blocked
1592                 if (touchindex < numtouchedicts)
1593                         continue;
1594                 // return if the ray was not blocked
1595                 return true;
1596         }
1597
1598         // no rays survived
1599         return false;
1600 }
1601
1602 static void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1603 {
1604         prvm_prog_t *prog = SVVM_prog;
1605         int isbmodel;
1606         dp_model_t *model;
1607         prvm_edict_t *ed;
1608         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1609                 return;
1610         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1611         sv.writeentitiestoclient_stats_totalentities++;
1612
1613         if (s->customizeentityforclient)
1614         {
1615                 PRVM_serverglobalfloat(time) = sv.time;
1616                 PRVM_serverglobaledict(self) = s->number;
1617                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1618                 prog->ExecuteProgram(prog, s->customizeentityforclient, "customizeentityforclient: NULL function");
1619                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1620                         return;
1621         }
1622
1623         // never reject player
1624         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1625         {
1626                 // check various rejection conditions
1627                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1628                         return;
1629                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1630                         return;
1631                 if (s->effects & EF_NODRAW)
1632                         return;
1633                 // LordHavoc: only send entities with a model or important effects
1634                 if (!s->modelindex && s->specialvisibilityradius == 0)
1635                         return;
1636
1637                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1638                 // viewmodels don't have visibility checking
1639                 if (s->viewmodelforclient)
1640                 {
1641                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1642                                 return;
1643                 }
1644                 else if (s->tagentity)
1645                 {
1646                         // tag attached entities simply check their parent
1647                         if (!sv.sendentitiesindex[s->tagentity])
1648                                 return;
1649                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1650                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1651                                 return;
1652                 }
1653                 // always send world submodels in newer protocols because they don't
1654                 // generate much traffic (in old protocols they hog bandwidth)
1655                 // but only if sv_cullentities_nevercullbmodels is off
1656                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1657                 {
1658                         // entity has survived every check so far, check if visible
1659                         ed = PRVM_EDICT_NUM(s->number);
1660
1661                         // if not touching a visible leaf
1662                         if (sv_cullentities_pvs.integer && !r_novis.integer && !r_trippy.integer && sv.writeentitiestoclient_pvsbytes)
1663                         {
1664                                 if (ed->priv.server->pvs_numclusters < 0)
1665                                 {
1666                                         // entity too big for clusters list
1667                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1668                                         {
1669                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1670                                                 return;
1671                                         }
1672                                 }
1673                                 else
1674                                 {
1675                                         int i;
1676                                         // check cached clusters list
1677                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1678                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1679                                                         break;
1680                                         if (i == ed->priv.server->pvs_numclusters)
1681                                         {
1682                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1683                                                 return;
1684                                         }
1685                                 }
1686                         }
1687
1688                         // or not seen by random tracelines
1689                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight && !r_trippy.integer)
1690                         {
1691                                 int samples =
1692                                         s->number <= svs.maxclients
1693                                                 ? sv_cullentities_trace_samples_players.integer
1694                                                 :
1695                                         s->specialvisibilityradius
1696                                                 ? sv_cullentities_trace_samples_extra.integer
1697                                                 : sv_cullentities_trace_samples.integer;
1698                                 float enlarge = sv_cullentities_trace_enlarge.value;
1699
1700                                 if(samples > 0)
1701                                 {
1702                                         int eyeindex;
1703                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1704                                                 if(SV_CanSeeBox(samples, enlarge, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1705                                                         break;
1706                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1707                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1708                                                         realtime + (
1709                                                                 s->number <= svs.maxclients
1710                                                                         ? sv_cullentities_trace_delay_players.value
1711                                                                         : sv_cullentities_trace_delay.value
1712                                                         );
1713                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1714                                         {
1715                                                 sv.writeentitiestoclient_stats_culled_trace++;
1716                                                 return;
1717                                         }
1718                                 }
1719                         }
1720                 }
1721         }
1722
1723         // this just marks it for sending
1724         // FIXME: it would be more efficient to send here, but the entity
1725         // compressor isn't that flexible
1726         sv.writeentitiestoclient_stats_visibleentities++;
1727         sv.sententities[s->number] = sv.sententitiesmark;
1728 }
1729
1730 #if MAX_LEVELNETWORKEYES > 0
1731 #define MAX_EYE_RECURSION 1 // increase if recursion gets supported by portals
1732 static void SV_AddCameraEyes(void)
1733 {
1734         prvm_prog_t *prog = SVVM_prog;
1735         int e, i, j, k;
1736         prvm_edict_t *ed;
1737         static int cameras[MAX_LEVELNETWORKEYES];
1738         static vec3_t camera_origins[MAX_LEVELNETWORKEYES];
1739         static int eye_levels[MAX_CLIENTNETWORKEYES];
1740         int n_cameras = 0;
1741         vec3_t mi, ma;
1742
1743         for(i = 0; i < sv.writeentitiestoclient_numeyes; ++i)
1744                 eye_levels[i] = 0;
1745
1746         // check line of sight to portal entities and add them to PVS
1747         for (e = 1, ed = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ed = PRVM_NEXT_EDICT(ed))
1748         {
1749                 if (!ed->priv.server->free)
1750                 {
1751                         if(PRVM_serveredictfunction(ed, camera_transform))
1752                         {
1753                                 PRVM_serverglobalfloat(time) = sv.time;
1754                                 PRVM_serverglobaledict(self) = e;
1755                                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1756                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_serverglobalvector(trace_endpos));
1757                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_G_VECTOR(OFS_PARM0));
1758                                 VectorClear(PRVM_G_VECTOR(OFS_PARM1));
1759                                 prog->ExecuteProgram(prog, PRVM_serveredictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1760                                 if(!VectorCompare(PRVM_serverglobalvector(trace_endpos), sv.writeentitiestoclient_eyes[0]))
1761                                 {
1762                                         VectorCopy(PRVM_serverglobalvector(trace_endpos), camera_origins[n_cameras]);
1763                                         cameras[n_cameras] = e;
1764                                         ++n_cameras;
1765                                         if(n_cameras >= MAX_LEVELNETWORKEYES)
1766                                                 break;
1767                                 }
1768                         }
1769                 }
1770         }
1771
1772         if(!n_cameras)
1773                 return;
1774
1775         // i is loop counter, is reset to 0 when an eye got added
1776         // j is camera index to check
1777         for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras)
1778         {
1779                 if(!cameras[j])
1780                         continue;
1781                 ed = PRVM_EDICT_NUM(cameras[j]);
1782                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, mins), mi);
1783                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, maxs), ma);
1784                 for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k)
1785                 if(eye_levels[k] <= MAX_EYE_RECURSION)
1786                 {
1787                         if(SV_CanSeeBox(sv_cullentities_trace_samples.integer, sv_cullentities_trace_enlarge.value, sv.writeentitiestoclient_eyes[k], mi, ma))
1788                         {
1789                                 eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1;
1790                                 VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1791                                 // 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);
1792                                 sv.writeentitiestoclient_numeyes++;
1793                                 cameras[j] = 0;
1794                                 i = 0;
1795                                 break;
1796                         }
1797                 }
1798         }
1799 }
1800 #else
1801 void SV_AddCameraEyes(void)
1802 {
1803 }
1804 #endif
1805
1806 static void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1807 {
1808         prvm_prog_t *prog = SVVM_prog;
1809         qboolean need_empty = false;
1810         int i, numsendstates, numcsqcsendstates;
1811         entity_state_t *s;
1812         prvm_edict_t *camera;
1813         qboolean success;
1814         vec3_t eye;
1815
1816         // if there isn't enough space to accomplish anything, skip it
1817         if (msg->cursize + 25 > maxsize)
1818                 return;
1819
1820         sv.writeentitiestoclient_msg = msg;
1821         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1822
1823         sv.writeentitiestoclient_stats_culled_pvs = 0;
1824         sv.writeentitiestoclient_stats_culled_trace = 0;
1825         sv.writeentitiestoclient_stats_visibleentities = 0;
1826         sv.writeentitiestoclient_stats_totalentities = 0;
1827         sv.writeentitiestoclient_numeyes = 0;
1828
1829         // get eye location
1830         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1831         camera = PRVM_EDICT_NUM( client->clientcamera );
1832         VectorAdd(PRVM_serveredictvector(camera, origin), PRVM_serveredictvector(clent, view_ofs), eye);
1833         sv.writeentitiestoclient_pvsbytes = 0;
1834         // get the PVS values for the eye location, later FatPVS calls will merge
1835         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1836                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1837
1838         // add the eye to a list for SV_CanSeeBox tests
1839         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1840         sv.writeentitiestoclient_numeyes++;
1841
1842         // calculate predicted eye origin for SV_CanSeeBox tests
1843         if (sv_cullentities_trace_prediction.integer)
1844         {
1845                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1846                 vec3_t predeye;
1847                 VectorMA(eye, predtime, PRVM_serveredictvector(camera, velocity), predeye);
1848                 if (SV_CanSeeBox(1, 0, eye, predeye, predeye))
1849                 {
1850                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1851                         sv.writeentitiestoclient_numeyes++;
1852                 }
1853                 //if (!sv.writeentitiestoclient_useprediction)
1854                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1855         }
1856
1857         SV_AddCameraEyes();
1858
1859         // build PVS from the new eyes
1860         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1861                 for(i = 1; i < sv.writeentitiestoclient_numeyes; ++i)
1862                         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);
1863
1864         sv.sententitiesmark++;
1865
1866         for (i = 0;i < sv.numsendentities;i++)
1867                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1868
1869         numsendstates = 0;
1870         numcsqcsendstates = 0;
1871         for (i = 0;i < sv.numsendentities;i++)
1872         {
1873                 s = &sv.sendentities[i];
1874                 if (sv.sententities[s->number] == sv.sententitiesmark)
1875                 {
1876                         if(s->active == ACTIVE_NETWORK)
1877                         {
1878                                 if (s->exteriormodelforclient)
1879                                 {
1880                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1881                                                 s->flags |= RENDER_EXTERIORMODEL;
1882                                         else
1883                                                 s->flags &= ~RENDER_EXTERIORMODEL;
1884                                 }
1885                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
1886                         }
1887                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1888                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
1889                         else
1890                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
1891                 }
1892         }
1893
1894         if (sv_cullentities_stats.integer)
1895                 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);
1896
1897         if(client->entitydatabase5)
1898                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1899         else
1900                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1901
1902         // force every 16th frame to be not empty (or cl_movement replay takes
1903         // too long)
1904         // BTW, this should normally not kick in any more due to the check
1905         // below, except if the client stopped sending movement frames
1906         if(client->num_skippedentityframes >= 16)
1907                 need_empty = true;
1908
1909         // help cl_movement a bit more
1910         if(client->movesequence != client->lastmovesequence)
1911                 need_empty = true;
1912         client->lastmovesequence = client->movesequence;
1913
1914         if (client->entitydatabase5)
1915                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1916         else if (client->entitydatabase4)
1917         {
1918                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1919                 Protocol_WriteStatsReliable();
1920         }
1921         else if (client->entitydatabase)
1922         {
1923                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1924                 Protocol_WriteStatsReliable();
1925         }
1926         else
1927         {
1928                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1929                 Protocol_WriteStatsReliable();
1930         }
1931
1932         if(success)
1933                 client->num_skippedentityframes = 0;
1934         else
1935                 ++client->num_skippedentityframes;
1936 }
1937
1938 /*
1939 =============
1940 SV_CleanupEnts
1941
1942 =============
1943 */
1944 static void SV_CleanupEnts (void)
1945 {
1946         prvm_prog_t *prog = SVVM_prog;
1947         int             e;
1948         prvm_edict_t    *ent;
1949
1950         ent = PRVM_NEXT_EDICT(prog->edicts);
1951         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1952                 PRVM_serveredictfloat(ent, effects) = (int)PRVM_serveredictfloat(ent, effects) & ~EF_MUZZLEFLASH;
1953 }
1954
1955 /*
1956 ==================
1957 SV_WriteClientdataToMessage
1958
1959 ==================
1960 */
1961 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1962 {
1963         prvm_prog_t *prog = SVVM_prog;
1964         int             bits;
1965         int             i;
1966         prvm_edict_t    *other;
1967         int             items;
1968         vec3_t  punchvector;
1969         int             viewzoom;
1970         const char *s;
1971         float   *statsf = (float *)stats;
1972         float gravity;
1973
1974 //
1975 // send a damage message
1976 //
1977         if (PRVM_serveredictfloat(ent, dmg_take) || PRVM_serveredictfloat(ent, dmg_save))
1978         {
1979                 other = PRVM_PROG_TO_EDICT(PRVM_serveredictedict(ent, dmg_inflictor));
1980                 MSG_WriteByte (msg, svc_damage);
1981                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_save));
1982                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_take));
1983                 for (i=0 ; i<3 ; i++)
1984                         MSG_WriteCoord (msg, PRVM_serveredictvector(other, origin)[i] + 0.5*(PRVM_serveredictvector(other, mins)[i] + PRVM_serveredictvector(other, maxs)[i]), sv.protocol);
1985
1986                 PRVM_serveredictfloat(ent, dmg_take) = 0;
1987                 PRVM_serveredictfloat(ent, dmg_save) = 0;
1988         }
1989
1990 //
1991 // send the current viewpos offset from the view entity
1992 //
1993         SV_SetIdealPitch ();            // how much to look up / down ideally
1994
1995 // a fixangle might get lost in a dropped packet.  Oh well.
1996         if(PRVM_serveredictfloat(ent, fixangle))
1997         {
1998                 // angle fixing was requested by global thinking code...
1999                 // so store the current angles for later use
2000                 VectorCopy(PRVM_serveredictvector(ent, angles), host_client->fixangle_angles);
2001                 host_client->fixangle_angles_set = TRUE;
2002
2003                 // and clear fixangle for the next frame
2004                 PRVM_serveredictfloat(ent, fixangle) = 0;
2005         }
2006
2007         if (host_client->fixangle_angles_set)
2008         {
2009                 MSG_WriteByte (msg, svc_setangle);
2010                 for (i=0 ; i < 3 ; i++)
2011                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
2012                 host_client->fixangle_angles_set = FALSE;
2013         }
2014
2015         // the runes are in serverflags, pack them into the items value, also pack
2016         // in the items2 value for mission pack huds
2017         // (used only in the mission packs, which do not use serverflags)
2018         items = (int)PRVM_serveredictfloat(ent, items) | ((int)PRVM_serveredictfloat(ent, items2) << 23) | ((int)PRVM_serverglobalfloat(serverflags) << 28);
2019
2020         VectorCopy(PRVM_serveredictvector(ent, punchvector), punchvector);
2021
2022         // cache weapon model name and index in client struct to save time
2023         // (this search can be almost 1% of cpu time!)
2024         s = PRVM_GetString(prog, PRVM_serveredictstring(ent, weaponmodel));
2025         if (strcmp(s, client->weaponmodel))
2026         {
2027                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
2028                 client->weaponmodelindex = SV_ModelIndex(s, 1);
2029         }
2030
2031         viewzoom = (int)(PRVM_serveredictfloat(ent, viewzoom) * 255.0f);
2032         if (viewzoom == 0)
2033                 viewzoom = 255;
2034
2035         bits = 0;
2036
2037         if ((int)PRVM_serveredictfloat(ent, flags) & FL_ONGROUND)
2038                 bits |= SU_ONGROUND;
2039         if (PRVM_serveredictfloat(ent, waterlevel) >= 2)
2040                 bits |= SU_INWATER;
2041         if (PRVM_serveredictfloat(ent, idealpitch))
2042                 bits |= SU_IDEALPITCH;
2043
2044         for (i=0 ; i<3 ; i++)
2045         {
2046                 if (PRVM_serveredictvector(ent, punchangle)[i])
2047                         bits |= (SU_PUNCH1<<i);
2048                 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)
2049                         if (punchvector[i])
2050                                 bits |= (SU_PUNCHVEC1<<i);
2051                 if (PRVM_serveredictvector(ent, velocity)[i])
2052                         bits |= (SU_VELOCITY1<<i);
2053         }
2054
2055         gravity = PRVM_serveredictfloat(ent, gravity);if (!gravity) gravity = 1.0f;
2056
2057         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
2058         stats[STAT_VIEWHEIGHT] = (int)PRVM_serveredictvector(ent, view_ofs)[2];
2059         stats[STAT_ITEMS] = items;
2060         stats[STAT_WEAPONFRAME] = (int)PRVM_serveredictfloat(ent, weaponframe);
2061         stats[STAT_ARMOR] = (int)PRVM_serveredictfloat(ent, armorvalue);
2062         stats[STAT_WEAPON] = client->weaponmodelindex;
2063         stats[STAT_HEALTH] = (int)PRVM_serveredictfloat(ent, health);
2064         stats[STAT_AMMO] = (int)PRVM_serveredictfloat(ent, currentammo);
2065         stats[STAT_SHELLS] = (int)PRVM_serveredictfloat(ent, ammo_shells);
2066         stats[STAT_NAILS] = (int)PRVM_serveredictfloat(ent, ammo_nails);
2067         stats[STAT_ROCKETS] = (int)PRVM_serveredictfloat(ent, ammo_rockets);
2068         stats[STAT_CELLS] = (int)PRVM_serveredictfloat(ent, ammo_cells);
2069         stats[STAT_ACTIVEWEAPON] = (int)PRVM_serveredictfloat(ent, weapon);
2070         stats[STAT_VIEWZOOM] = viewzoom;
2071         stats[STAT_TOTALSECRETS] = (int)PRVM_serverglobalfloat(total_secrets);
2072         stats[STAT_TOTALMONSTERS] = (int)PRVM_serverglobalfloat(total_monsters);
2073         // the QC bumps these itself by sending svc_'s, so we have to keep them
2074         // zero or they'll be corrected by the engine
2075         //stats[STAT_SECRETS] = PRVM_serverglobalfloat(found_secrets);
2076         //stats[STAT_MONSTERS] = PRVM_serverglobalfloat(killed_monsters);
2077
2078         // movement settings for prediction
2079         // note: these are not sent in protocols with lower MAX_CL_STATS limits
2080         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
2081                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
2082                 | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0)
2083                 | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0)
2084         ;
2085         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
2086         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
2087         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
2088         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
2089         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
2090         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
2091         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
2092         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
2093         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
2094         statsf[STAT_MOVEVARS_ENTGRAVITY] = gravity;
2095         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
2096         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
2097         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
2098         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
2099         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
2100         statsf[STAT_MOVEVARS_AIRACCEL_QW_STRETCHFACTOR] = sv_airaccel_qw_stretchfactor.value;
2101         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
2102         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
2103         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
2104         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
2105         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
2106         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
2107         statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value;
2108         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
2109         statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value;
2110         statsf[STAT_MOVEVARS_AIRCONTROL_PENALTY] = sv_aircontrol_penalty.value;
2111         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
2112         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
2113         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
2114         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
2115         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
2116         statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW] = sv_airspeedlimit_nonqw.value;
2117         statsf[STAT_FRAGLIMIT] = fraglimit.value;
2118         statsf[STAT_TIMELIMIT] = timelimit.value;
2119
2120         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)
2121         {
2122                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
2123                 bits |= SU_ITEMS;
2124                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
2125                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
2126                 bits |= SU_WEAPON;
2127                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
2128                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2129                         if (viewzoom != 255)
2130                                 bits |= SU_VIEWZOOM;
2131         }
2132
2133         if (bits >= 65536)
2134                 bits |= SU_EXTEND1;
2135         if (bits >= 16777216)
2136                 bits |= SU_EXTEND2;
2137
2138         // send the data
2139         MSG_WriteByte (msg, svc_clientdata);
2140         MSG_WriteShort (msg, bits);
2141         if (bits & SU_EXTEND1)
2142                 MSG_WriteByte(msg, bits >> 16);
2143         if (bits & SU_EXTEND2)
2144                 MSG_WriteByte(msg, bits >> 24);
2145
2146         if (bits & SU_VIEWHEIGHT)
2147                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
2148
2149         if (bits & SU_IDEALPITCH)
2150                 MSG_WriteChar (msg, (int)PRVM_serveredictfloat(ent, idealpitch));
2151
2152         for (i=0 ; i<3 ; i++)
2153         {
2154                 if (bits & (SU_PUNCH1<<i))
2155                 {
2156                         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)
2157                                 MSG_WriteChar(msg, (int)PRVM_serveredictvector(ent, punchangle)[i]);
2158                         else
2159                                 MSG_WriteAngle16i(msg, PRVM_serveredictvector(ent, punchangle)[i]);
2160                 }
2161                 if (bits & (SU_PUNCHVEC1<<i))
2162                 {
2163                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2164                                 MSG_WriteCoord16i(msg, punchvector[i]);
2165                         else
2166                                 MSG_WriteCoord32f(msg, punchvector[i]);
2167                 }
2168                 if (bits & (SU_VELOCITY1<<i))
2169                 {
2170                         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)
2171                                 MSG_WriteChar(msg, (int)(PRVM_serveredictvector(ent, velocity)[i] * (1.0f / 16.0f)));
2172                         else
2173                                 MSG_WriteCoord32f(msg, PRVM_serveredictvector(ent, velocity)[i]);
2174                 }
2175         }
2176
2177         if (bits & SU_ITEMS)
2178                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
2179
2180         if (sv.protocol == PROTOCOL_DARKPLACES5)
2181         {
2182                 if (bits & SU_WEAPONFRAME)
2183                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
2184                 if (bits & SU_ARMOR)
2185                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
2186                 if (bits & SU_WEAPON)
2187                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
2188                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2189                 MSG_WriteShort (msg, stats[STAT_AMMO]);
2190                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
2191                 MSG_WriteShort (msg, stats[STAT_NAILS]);
2192                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
2193                 MSG_WriteShort (msg, stats[STAT_CELLS]);
2194                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
2195                 if (bits & SU_VIEWZOOM)
2196                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2197         }
2198         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)
2199         {
2200                 if (bits & SU_WEAPONFRAME)
2201                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
2202                 if (bits & SU_ARMOR)
2203                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
2204                 if (bits & SU_WEAPON)
2205                 {
2206                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2207                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
2208                         else
2209                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
2210                 }
2211                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2212                 MSG_WriteByte (msg, stats[STAT_AMMO]);
2213                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
2214                 MSG_WriteByte (msg, stats[STAT_NAILS]);
2215                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
2216                 MSG_WriteByte (msg, stats[STAT_CELLS]);
2217                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_QUOTH || IS_OLDNEXUIZ_DERIVED(gamemode))
2218                 {
2219                         for (i = 0;i < 32;i++)
2220                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
2221                                         break;
2222                         MSG_WriteByte (msg, i);
2223                 }
2224                 else
2225                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
2226                 if (bits & SU_VIEWZOOM)
2227                 {
2228                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2229                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
2230                         else
2231                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2232                 }
2233         }
2234 }
2235
2236 void SV_FlushBroadcastMessages(void)
2237 {
2238         int i;
2239         client_t *client;
2240         if (sv.datagram.cursize <= 0)
2241                 return;
2242         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2243         {
2244                 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])))
2245                         continue;
2246                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2247                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2248         }
2249         SZ_Clear(&sv.datagram);
2250 }
2251
2252 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2253 {
2254         // scan the splitpoints to find out how many we can fit in
2255         int numsegments, j, split;
2256         if (!client->unreliablemsg_splitpoints)
2257                 return;
2258         // always accept the first one if it's within 1024 bytes, this ensures
2259         // that very big datagrams which are over the rate limit still get
2260         // through, just to keep it working
2261         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2262                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2263                         break;
2264         // the first segment gets an exemption from the rate limiting, otherwise
2265         // it could get dropped consistently due to a low rate limit
2266         if (numsegments == 1)
2267                 maxsize = maxsize2;
2268         // some will fit, so add the ones that will fit
2269         split = client->unreliablemsg_splitpoint[numsegments-1];
2270         // note this discards ones that were accepted by the segments scan but
2271         // can not fit, such as a really huge first one that will never ever
2272         // fit in a packet...
2273         if (msg->cursize + split <= maxsize)
2274                 SZ_Write(msg, client->unreliablemsg.data, split);
2275         // remove the part we sent, keeping any remaining data
2276         client->unreliablemsg.cursize -= split;
2277         if (client->unreliablemsg.cursize > 0)
2278                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2279         // adjust remaining splitpoints
2280         client->unreliablemsg_splitpoints -= numsegments;
2281         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2282                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2283 }
2284
2285 /*
2286 =======================
2287 SV_SendClientDatagram
2288 =======================
2289 */
2290 static void SV_SendClientDatagram (client_t *client)
2291 {
2292         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2293         sizebuf_t msg;
2294         int stats[MAX_CL_STATS];
2295         static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2296         double timedelta;
2297
2298         // obey rate limit by limiting packet frequency if the packet size
2299         // limiting fails
2300         // (usually this is caused by reliable messages)
2301         if (!NetConn_CanSend(client->netconnection))
2302                 return;
2303
2304         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2305         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2306         if (sv_maxrate.integer != maxrate)
2307                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2308
2309         // clientrate determines the 'cleartime' of a packet
2310         // (how long to wait before sending another, based on this packet's size)
2311         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2312
2313         switch (sv.protocol)
2314         {
2315         case PROTOCOL_QUAKE:
2316         case PROTOCOL_QUAKEDP:
2317         case PROTOCOL_NEHAHRAMOVIE:
2318         case PROTOCOL_NEHAHRABJP:
2319         case PROTOCOL_NEHAHRABJP2:
2320         case PROTOCOL_NEHAHRABJP3:
2321         case PROTOCOL_QUAKEWORLD:
2322                 // no packet size limit support on Quake protocols because it just
2323                 // causes missing entities/effects
2324                 // packets are simply sent less often to obey the rate limit
2325                 maxsize = 1024;
2326                 maxsize2 = 1024;
2327                 break;
2328         case PROTOCOL_DARKPLACES1:
2329         case PROTOCOL_DARKPLACES2:
2330         case PROTOCOL_DARKPLACES3:
2331         case PROTOCOL_DARKPLACES4:
2332                 // no packet size limit support on DP1-4 protocols because they kick
2333                 // the client off if they overflow, and miss effects
2334                 // packets are simply sent less often to obey the rate limit
2335                 maxsize = sizeof(sv_sendclientdatagram_buf);
2336                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2337                 break;
2338         default:
2339                 // DP5 and later protocols support packet size limiting which is a
2340                 // better method than limiting packet frequency as QW does
2341                 //
2342                 // at very low rates (or very small sys_ticrate) the packet size is
2343                 // not reduced below 128, but packets may be sent less often
2344
2345                 // how long are bursts?
2346                 timedelta = host_client->rate_burstsize / (double)client->rate;
2347
2348                 // how much of the burst do we keep reserved?
2349                 timedelta *= 1 - net_burstreserve.value;
2350
2351                 // only try to use excess time
2352                 timedelta = bound(0, realtime - host_client->netconnection->cleartime, timedelta);
2353
2354                 // but we know next packet will be in sys_ticrate, so we can use up THAT bandwidth
2355                 timedelta += sys_ticrate.value;
2356
2357                 // note: packet overhead (not counted in maxsize) is 28 bytes
2358                 maxsize = (int)(clientrate * timedelta) - 28;
2359
2360                 // put it in sound bounds
2361                 maxsize = bound(128, maxsize, 1400);
2362                 maxsize2 = 1400;
2363
2364                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2365                 // mods that use csqc (they are likely to use less bandwidth anyway)
2366                 if((net_usesizelimit.integer == 1) ? (sv.csqc_progsize > 0) : (net_usesizelimit.integer < 1))
2367                         maxsize = maxsize2;
2368
2369                 break;
2370         }
2371
2372         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2373         {
2374                 // for good singleplayer, send huge packets
2375                 maxsize = sizeof(sv_sendclientdatagram_buf);
2376                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2377                 // never limit frequency in singleplayer
2378                 clientrate = 1000000000;
2379         }
2380
2381         // while downloading, limit entity updates to half the packet
2382         // (any leftover space will be used for downloading)
2383         if (host_client->download_file)
2384                 maxsize /= 2;
2385
2386         msg.data = sv_sendclientdatagram_buf;
2387         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2388         msg.cursize = 0;
2389         msg.allowoverflow = false;
2390
2391         if (host_client->begun)
2392         {
2393                 // the player is in the game
2394                 MSG_WriteByte (&msg, svc_time);
2395                 MSG_WriteFloat (&msg, sv.time);
2396
2397                 // add the client specific data to the datagram
2398                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2399                 // now update the stats[] array using any registered custom fields
2400                 VM_SV_UpdateCustomStats(client, client->edict, &msg, stats);
2401                 // set host_client->statsdeltabits
2402                 Protocol_UpdateClientStats (stats);
2403
2404                 // add as many queued unreliable messages (effects) as we can fit
2405                 // limit effects to half of the remaining space
2406                 if (client->unreliablemsg.cursize)
2407                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2408
2409                 // now write as many entities as we can fit, and also sends stats
2410                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2411         }
2412         else if (realtime > client->keepalivetime)
2413         {
2414                 // the player isn't totally in the game yet
2415                 // send small keepalive messages if too much time has passed
2416                 // (may also be sending downloads)
2417                 client->keepalivetime = realtime + 5;
2418                 MSG_WriteChar (&msg, svc_nop);
2419         }
2420
2421         // if a download is active, see if there is room to fit some download data
2422         // in this packet
2423         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2424         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2425         {
2426                 fs_offset_t downloadstart;
2427                 unsigned char data[1400];
2428                 downloadstart = FS_Tell(host_client->download_file);
2429                 downloadsize = min(downloadsize, (int)sizeof(data));
2430                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2431                 // note this sends empty messages if at the end of the file, which is
2432                 // necessary to keep the packet loss logic working
2433                 // (the last blocks may be lost and need to be re-sent, and that will
2434                 //  only occur if the client acks the empty end messages, revealing
2435                 //  a gap in the download progress, causing the last blocks to be
2436                 //  sent again)
2437                 MSG_WriteChar (&msg, svc_downloaddata);
2438                 MSG_WriteLong (&msg, downloadstart);
2439                 MSG_WriteShort (&msg, downloadsize);
2440                 if (downloadsize > 0)
2441                         SZ_Write (&msg, data, downloadsize);
2442         }
2443
2444         // reliable only if none is in progress
2445         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2446                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2447         // unreliable
2448         SV_WriteDemoMessage(client, &msg, false);
2449
2450 // send the datagram
2451         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->rate_burstsize, client->sendsignon == 2);
2452         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2453                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2454 }
2455
2456 /*
2457 =======================
2458 SV_UpdateToReliableMessages
2459 =======================
2460 */
2461 static void SV_UpdateToReliableMessages (void)
2462 {
2463         prvm_prog_t *prog = SVVM_prog;
2464         int i, j;
2465         client_t *client;
2466         const char *name;
2467         const char *model;
2468         const char *skin;
2469         int clientcamera;
2470
2471 // check for changes to be sent over the reliable streams
2472         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2473         {
2474                 // update the host_client fields we care about according to the entity fields
2475                 host_client->edict = PRVM_EDICT_NUM(i+1);
2476
2477                 // DP_SV_CLIENTNAME
2478                 name = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, netname));
2479                 if (name == NULL)
2480                         name = "";
2481                 // always point the string back at host_client->name to keep it safe
2482                 //strlcpy (host_client->name, name, sizeof (host_client->name));
2483                 if (name != host_client->name) // prevent buffer overlap SIGABRT on Mac OSX
2484                         strlcpy (host_client->name, name, sizeof (host_client->name));
2485                 PRVM_serveredictstring(host_client->edict, netname) = PRVM_SetEngineString(prog, host_client->name);
2486                 if (strcmp(host_client->old_name, host_client->name))
2487                 {
2488                         if (host_client->begun)
2489                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2490                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2491                         // send notification to all clients
2492                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2493                         MSG_WriteByte (&sv.reliable_datagram, i);
2494                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2495                         SV_WriteNetnameIntoDemo(host_client);
2496                 }
2497
2498                 // DP_SV_CLIENTCOLORS
2499                 host_client->colors = (int)PRVM_serveredictfloat(host_client->edict, clientcolors);
2500                 if (host_client->old_colors != host_client->colors)
2501                 {
2502                         host_client->old_colors = host_client->colors;
2503                         // send notification to all clients
2504                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2505                         MSG_WriteByte (&sv.reliable_datagram, i);
2506                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2507                 }
2508
2509                 // NEXUIZ_PLAYERMODEL
2510                 model = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, playermodel));
2511                 if (model == NULL)
2512                         model = "";
2513                 // always point the string back at host_client->name to keep it safe
2514                 //strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2515                 if (model != host_client->playermodel) // prevent buffer overlap SIGABRT on Mac OSX
2516                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2517                 PRVM_serveredictstring(host_client->edict, playermodel) = PRVM_SetEngineString(prog, host_client->playermodel);
2518
2519                 // NEXUIZ_PLAYERSKIN
2520                 skin = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, playerskin));
2521                 if (skin == NULL)
2522                         skin = "";
2523                 // always point the string back at host_client->name to keep it safe
2524                 //strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2525                 if (skin != host_client->playerskin) // prevent buffer overlap SIGABRT on Mac OSX
2526                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2527                 PRVM_serveredictstring(host_client->edict, playerskin) = PRVM_SetEngineString(prog, host_client->playerskin);
2528
2529                 // TODO: add an extension name for this [1/17/2008 Black]
2530                 clientcamera = PRVM_serveredictedict(host_client->edict, clientcamera);
2531                 if (clientcamera > 0)
2532                 {
2533                         int oldclientcamera = host_client->clientcamera;
2534                         if (clientcamera >= prog->max_edicts || PRVM_EDICT_NUM(clientcamera)->priv.required->free)
2535                                 clientcamera = PRVM_NUM_FOR_EDICT(host_client->edict);
2536                         host_client->clientcamera = clientcamera;
2537
2538                         if (oldclientcamera != host_client->clientcamera && host_client->netconnection)
2539                         {
2540                                 MSG_WriteByte(&host_client->netconnection->message, svc_setview);
2541                                 MSG_WriteShort(&host_client->netconnection->message, host_client->clientcamera);
2542                         }
2543                 }
2544
2545                 // frags
2546                 host_client->frags = (int)PRVM_serveredictfloat(host_client->edict, frags);
2547                 if(IS_OLDNEXUIZ_DERIVED(gamemode))
2548                         if(!host_client->begun && host_client->netconnection)
2549                                 host_client->frags = -666;
2550                 if (host_client->old_frags != host_client->frags)
2551                 {
2552                         host_client->old_frags = host_client->frags;
2553                         // send notification to all clients
2554                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2555                         MSG_WriteByte (&sv.reliable_datagram, i);
2556                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2557                 }
2558         }
2559
2560         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2561                 if (client->netconnection && (client->begun || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2562                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2563
2564         SZ_Clear (&sv.reliable_datagram);
2565 }
2566
2567
2568 /*
2569 =======================
2570 SV_SendClientMessages
2571 =======================
2572 */
2573 void SV_SendClientMessages(void)
2574 {
2575         int i, prepared = false;
2576
2577         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2578                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2579
2580         SV_FlushBroadcastMessages();
2581
2582 // update frags, names, etc
2583         SV_UpdateToReliableMessages();
2584
2585 // build individual updates
2586         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2587         {
2588                 if (!host_client->active)
2589                         continue;
2590                 if (!host_client->netconnection)
2591                         continue;
2592
2593                 if (host_client->netconnection->message.overflowed)
2594                 {
2595                         SV_DropClient (true);   // if the message couldn't send, kick off
2596                         continue;
2597                 }
2598
2599                 if (!prepared)
2600                 {
2601                         prepared = true;
2602                         // only prepare entities once per frame
2603                         SV_PrepareEntitiesForSending();
2604                 }
2605                 SV_SendClientDatagram(host_client);
2606         }
2607
2608 // clear muzzle flashes
2609         SV_CleanupEnts();
2610 }
2611
2612 static void SV_StartDownload_f(void)
2613 {
2614         if (host_client->download_file)
2615                 host_client->download_started = true;
2616 }
2617
2618 /*
2619  * Compression extension negotiation:
2620  *
2621  * Server to client:
2622  *   cl_serverextension_download 2
2623  *
2624  * Client to server:
2625  *   download <filename> <list of zero or more suppported compressions in order of preference>
2626  * e.g.
2627  *   download maps/map1.bsp lzo deflate huffman
2628  *
2629  * Server to client:
2630  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2631  * e.g.
2632  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2633  *
2634  * The server may choose not to compress the file by sending no compression name, like:
2635  *   cl_downloadbegin 345678 maps/map1.bsp
2636  *
2637  * NOTE: the "download" command may only specify compression algorithms if
2638  *       cl_serverextension_download is 2!
2639  *       If cl_serverextension_download has a different value, the client must
2640  *       assume this extension is not supported!
2641  */
2642
2643 static void Download_CheckExtensions(void)
2644 {
2645         int i;
2646         int argc = Cmd_Argc();
2647
2648         // first reset them all
2649         host_client->download_deflate = false;
2650
2651         for(i = 2; i < argc; ++i)
2652         {
2653                 if(!strcmp(Cmd_Argv(i), "deflate"))
2654                 {
2655                         host_client->download_deflate = true;
2656                         break;
2657                 }
2658         }
2659 }
2660
2661 static void SV_Download_f(void)
2662 {
2663         const char *whichpack, *whichpack2, *extension;
2664         qboolean is_csqc; // so we need to check only once
2665
2666         if (Cmd_Argc() < 2)
2667         {
2668                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2669                 SV_ClientPrintf("       supported extensions: deflate\n");
2670                 return;
2671         }
2672
2673         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2674         {
2675                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2676                 return;
2677         }
2678
2679         if (host_client->download_file)
2680         {
2681                 // at this point we'll assume the previous download should be aborted
2682                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2683                 Host_ClientCommands("\nstopdownload\n");
2684
2685                 // close the file and reset variables
2686                 FS_Close(host_client->download_file);
2687                 host_client->download_file = NULL;
2688                 host_client->download_name[0] = 0;
2689                 host_client->download_expectedposition = 0;
2690                 host_client->download_started = false;
2691         }
2692
2693         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2694
2695         if (!sv_allowdownloads.integer && !is_csqc)
2696         {
2697                 SV_ClientPrintf("Downloads are disabled on this server\n");
2698                 Host_ClientCommands("\nstopdownload\n");
2699                 return;
2700         }
2701
2702         Download_CheckExtensions();
2703
2704         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2705         extension = FS_FileExtension(host_client->download_name);
2706
2707         // host_client is asking to download a specified file
2708         if (developer_extra.integer)
2709                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2710
2711         if(is_csqc)
2712         {
2713                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2714                 extensions[0] = '\0';
2715
2716                 if(host_client->download_deflate)
2717                         strlcat(extensions, " deflate", sizeof(extensions));
2718
2719                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2720
2721                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2722                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2723                 else
2724                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2725
2726                 // no, no space is needed between %s and %s :P
2727                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2728
2729                 host_client->download_expectedposition = 0;
2730                 host_client->download_started = false;
2731                 host_client->sendsignon = true; // make sure this message is sent
2732                 return;
2733         }
2734
2735         if (!FS_FileExists(host_client->download_name))
2736         {
2737                 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);
2738                 Host_ClientCommands("\nstopdownload\n");
2739                 return;
2740         }
2741
2742         // check if the user is trying to download part of registered Quake(r)
2743         whichpack = FS_WhichPack(host_client->download_name);
2744         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2745         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2746         {
2747                 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);
2748                 Host_ClientCommands("\nstopdownload\n");
2749                 return;
2750         }
2751
2752         // check if the server has forbidden archive downloads entirely
2753         if (!sv_allowdownloads_inarchive.integer)
2754         {
2755                 whichpack = FS_WhichPack(host_client->download_name);
2756                 if (whichpack)
2757                 {
2758                         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);
2759                         Host_ClientCommands("\nstopdownload\n");
2760                         return;
2761                 }
2762         }
2763
2764         if (!sv_allowdownloads_config.integer)
2765         {
2766                 if (!strcasecmp(extension, "cfg"))
2767                 {
2768                         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);
2769                         Host_ClientCommands("\nstopdownload\n");
2770                         return;
2771                 }
2772         }
2773
2774         if (!sv_allowdownloads_dlcache.integer)
2775         {
2776                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2777                 {
2778                         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);
2779                         Host_ClientCommands("\nstopdownload\n");
2780                         return;
2781                 }
2782         }
2783
2784         if (!sv_allowdownloads_archive.integer)
2785         {
2786                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2787                 {
2788                         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);
2789                         Host_ClientCommands("\nstopdownload\n");
2790                         return;
2791                 }
2792         }
2793
2794         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2795         if (!host_client->download_file)
2796         {
2797                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2798                 Host_ClientCommands("\nstopdownload\n");
2799                 return;
2800         }
2801
2802         if (FS_FileSize(host_client->download_file) > 1<<30)
2803         {
2804                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2805                 Host_ClientCommands("\nstopdownload\n");
2806                 FS_Close(host_client->download_file);
2807                 host_client->download_file = NULL;
2808                 return;
2809         }
2810
2811         if (FS_FileSize(host_client->download_file) < 0)
2812         {
2813                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2814                 Host_ClientCommands("\nstopdownload\n");
2815                 FS_Close(host_client->download_file);
2816                 host_client->download_file = NULL;
2817                 return;
2818         }
2819
2820         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2821
2822         /*
2823          * we can only do this if we would actually deflate on the fly
2824          * which we do not (yet)!
2825         {
2826                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2827                 extensions[0] = '\0';
2828
2829                 if(host_client->download_deflate)
2830                         strlcat(extensions, " deflate", sizeof(extensions));
2831
2832                 // no, no space is needed between %s and %s :P
2833                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2834         }
2835         */
2836         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2837
2838         host_client->download_expectedposition = 0;
2839         host_client->download_started = false;
2840         host_client->sendsignon = true; // make sure this message is sent
2841
2842         // the rest of the download process is handled in SV_SendClientDatagram
2843         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2844         //
2845         // no svc_downloaddata messages will be sent until sv_startdownload is
2846         // sent by the client
2847 }
2848
2849 /*
2850 ==============================================================================
2851
2852 SERVER SPAWNING
2853
2854 ==============================================================================
2855 */
2856
2857 /*
2858 ================
2859 SV_ModelIndex
2860
2861 ================
2862 */
2863 int SV_ModelIndex(const char *s, int precachemode)
2864 {
2865         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);
2866         char filename[MAX_QPATH];
2867         if (!s || !*s)
2868                 return 0;
2869         // testing
2870         //if (precachemode == 2)
2871         //      return 0;
2872         strlcpy(filename, s, sizeof(filename));
2873         for (i = 2;i < limit;i++)
2874         {
2875                 if (!sv.model_precache[i][0])
2876                 {
2877                         if (precachemode)
2878                         {
2879                                 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))
2880                                 {
2881                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2882                                         return 0;
2883                                 }
2884                                 if (precachemode == 1)
2885                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2886                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2887                                 if (sv.state == ss_loading)
2888                                 {
2889                                         // running from SV_SpawnServer which is launched from the client console command interpreter
2890                                         sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2891                                 }
2892                                 else
2893                                 {
2894                                         if (svs.threaded)
2895                                         {
2896                                                 // 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
2897                                                 sv.models[i] = Mod_FindName (sv.model_precache[i], s[0] == '*' ? sv.worldname : NULL);
2898                                         }
2899                                         else
2900                                         {
2901                                                 // running single threaded, so we can load the model here
2902                                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2903                                         }
2904                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2905                                         MSG_WriteShort(&sv.reliable_datagram, i);
2906                                         MSG_WriteString(&sv.reliable_datagram, filename);
2907                                 }
2908                                 return i;
2909                         }
2910                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2911                         return 0;
2912                 }
2913                 if (!strcmp(sv.model_precache[i], filename))
2914                         return i;
2915         }
2916         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2917         return 0;
2918 }
2919
2920 /*
2921 ================
2922 SV_SoundIndex
2923
2924 ================
2925 */
2926 int SV_SoundIndex(const char *s, int precachemode)
2927 {
2928         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);
2929         char filename[MAX_QPATH];
2930         if (!s || !*s)
2931                 return 0;
2932         // testing
2933         //if (precachemode == 2)
2934         //      return 0;
2935         strlcpy(filename, s, sizeof(filename));
2936         for (i = 1;i < limit;i++)
2937         {
2938                 if (!sv.sound_precache[i][0])
2939                 {
2940                         if (precachemode)
2941                         {
2942                                 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))
2943                                 {
2944                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2945                                         return 0;
2946                                 }
2947                                 if (precachemode == 1)
2948                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2949                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2950                                 if (sv.state != ss_loading)
2951                                 {
2952                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2953                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2954                                         MSG_WriteString(&sv.reliable_datagram, filename);
2955                                 }
2956                                 return i;
2957                         }
2958                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2959                         return 0;
2960                 }
2961                 if (!strcmp(sv.sound_precache[i], filename))
2962                         return i;
2963         }
2964         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2965         return 0;
2966 }
2967
2968 /*
2969 ================
2970 SV_ParticleEffectIndex
2971
2972 ================
2973 */
2974 int SV_ParticleEffectIndex(const char *name)
2975 {
2976         int i, argc, linenumber, effectnameindex;
2977         int filepass;
2978         fs_offset_t filesize;
2979         unsigned char *filedata;
2980         const char *text;
2981         const char *textstart;
2982         //const char *textend;
2983         char argv[16][1024];
2984         char filename[MAX_QPATH];
2985         if (!sv.particleeffectnamesloaded)
2986         {
2987                 sv.particleeffectnamesloaded = true;
2988                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2989                 for (i = 0;i < EFFECT_TOTAL;i++)
2990                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2991                 for (filepass = 0;;filepass++)
2992                 {
2993                         if (filepass == 0)
2994                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
2995                         else if (filepass == 1)
2996                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
2997                         else
2998                                 break;
2999                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
3000                         if (!filedata)
3001                                 continue;
3002                         textstart = (const char *)filedata;
3003                         //textend = (const char *)filedata + filesize;
3004                         text = textstart;
3005                         for (linenumber = 1;;linenumber++)
3006                         {
3007                                 argc = 0;
3008                                 for (;;)
3009                                 {
3010                                         if (!COM_ParseToken_Simple(&text, true, false, true) || !strcmp(com_token, "\n"))
3011                                                 break;
3012                                         if (argc < 16)
3013                                         {
3014                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
3015                                                 argc++;
3016                                         }
3017                                 }
3018                                 if (com_token[0] == 0)
3019                                         break; // if the loop exited and it's not a \n, it's EOF
3020                                 if (argc < 1)
3021                                         continue;
3022                                 if (!strcmp(argv[0], "effect"))
3023                                 {
3024                                         if (argc == 2)
3025                                         {
3026                                                 for (effectnameindex = 1;effectnameindex < MAX_PARTICLEEFFECTNAME;effectnameindex++)
3027                                                 {
3028                                                         if (sv.particleeffectname[effectnameindex][0])
3029                                                         {
3030                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
3031                                                                         break;
3032                                                         }
3033                                                         else
3034                                                         {
3035                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
3036                                                                 break;
3037                                                         }
3038                                                 }
3039                                                 // if we run out of names, abort
3040                                                 if (effectnameindex == MAX_PARTICLEEFFECTNAME)
3041                                                 {
3042                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
3043                                                         break;
3044                                                 }
3045                                         }
3046                                 }
3047                         }
3048                         Mem_Free(filedata);
3049                 }
3050         }
3051         // search for the name
3052         for (effectnameindex = 1;effectnameindex < MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
3053                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
3054                         return effectnameindex;
3055         // return 0 if we couldn't find it
3056         return 0;
3057 }
3058
3059 dp_model_t *SV_GetModelByIndex(int modelindex)
3060 {
3061         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3062 }
3063
3064 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
3065 {
3066         prvm_prog_t *prog = SVVM_prog;
3067         int modelindex;
3068         if (!ed || ed->priv.server->free)
3069                 return NULL;
3070         modelindex = (int)PRVM_serveredictfloat(ed, modelindex);
3071         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3072 }
3073
3074 /*
3075 ================
3076 SV_CreateBaseline
3077
3078 ================
3079 */
3080 static void SV_CreateBaseline (void)
3081 {
3082         prvm_prog_t *prog = SVVM_prog;
3083         int i, entnum, large;
3084         prvm_edict_t *svent;
3085
3086         // LordHavoc: clear *all* baselines (not just active ones)
3087         for (entnum = 0;entnum < prog->max_edicts;entnum++)
3088         {
3089                 // get the current server version
3090                 svent = PRVM_EDICT_NUM(entnum);
3091
3092                 // LordHavoc: always clear state values, whether the entity is in use or not
3093                 svent->priv.server->baseline = defaultstate;
3094
3095                 if (svent->priv.server->free)
3096                         continue;
3097                 if (entnum > svs.maxclients && !PRVM_serveredictfloat(svent, modelindex))
3098                         continue;
3099
3100                 // create entity baseline
3101                 VectorCopy (PRVM_serveredictvector(svent, origin), svent->priv.server->baseline.origin);
3102                 VectorCopy (PRVM_serveredictvector(svent, angles), svent->priv.server->baseline.angles);
3103                 svent->priv.server->baseline.frame = (int)PRVM_serveredictfloat(svent, frame);
3104                 svent->priv.server->baseline.skin = (int)PRVM_serveredictfloat(svent, skin);
3105                 if (entnum > 0 && entnum <= svs.maxclients)
3106                 {
3107                         svent->priv.server->baseline.colormap = entnum;
3108                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
3109                 }
3110                 else
3111                 {
3112                         svent->priv.server->baseline.colormap = 0;
3113                         svent->priv.server->baseline.modelindex = (int)PRVM_serveredictfloat(svent, modelindex);
3114                 }
3115
3116                 large = false;
3117                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
3118                 {
3119                         large = true;
3120                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3121                                 large = false;
3122                 }
3123
3124                 // add to the message
3125                 if (large)
3126                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
3127                 else
3128                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
3129                 MSG_WriteShort (&sv.signon, entnum);
3130
3131                 if (large)
3132                 {
3133                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3134                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
3135                 }
3136                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3137                 {
3138                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3139                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3140                 }
3141                 else
3142                 {
3143                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
3144                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3145                 }
3146                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
3147                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
3148                 for (i=0 ; i<3 ; i++)
3149                 {
3150                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
3151                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
3152                 }
3153         }
3154 }
3155
3156 /*
3157 ================
3158 SV_Prepare_CSQC
3159
3160 Load csprogs.dat and comperss it so it doesn't need to be
3161 reloaded on request.
3162 ================
3163 */
3164 static void SV_Prepare_CSQC(void)
3165 {
3166         fs_offset_t progsize;
3167
3168         if(svs.csqc_progdata)
3169         {
3170                 Con_DPrintf("Unloading old CSQC data.\n");
3171                 Mem_Free(svs.csqc_progdata);
3172                 if(svs.csqc_progdata_deflated)
3173                         Mem_Free(svs.csqc_progdata_deflated);
3174         }
3175
3176         svs.csqc_progdata = NULL;
3177         svs.csqc_progdata_deflated = NULL;
3178
3179         sv.csqc_progname[0] = 0;
3180         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
3181
3182         if(progsize > 0)
3183         {
3184                 size_t deflated_size;
3185
3186                 sv.csqc_progsize = (int)progsize;
3187                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
3188                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
3189                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
3190
3191                 Con_DPrint("Compressing csprogs.dat\n");
3192                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
3193                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
3194                 svs.csqc_progsize_deflated = (int)deflated_size;
3195                 if(svs.csqc_progdata_deflated)
3196                 {
3197                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
3198                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
3199                 }
3200                 else
3201                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
3202         }
3203 }
3204
3205 /*
3206 ================
3207 SV_SaveSpawnparms
3208
3209 Grabs the current state of each client for saving across the
3210 transition to another level
3211 ================
3212 */
3213 void SV_SaveSpawnparms (void)
3214 {
3215         prvm_prog_t *prog = SVVM_prog;
3216         int             i, j;
3217
3218         svs.serverflags = (int)PRVM_serverglobalfloat(serverflags);
3219
3220         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3221         {
3222                 if (!host_client->active)
3223                         continue;
3224
3225         // call the progs to get default spawn parms for the new client
3226                 PRVM_serverglobalfloat(time) = sv.time;
3227                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3228                 prog->ExecuteProgram(prog, PRVM_serverfunction(SetChangeParms), "QC function SetChangeParms is missing");
3229                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
3230                         host_client->spawn_parms[j] = (&PRVM_serverglobalfloat(parm1))[j];
3231         }
3232 }
3233
3234 /*
3235 ================
3236 SV_SpawnServer
3237
3238 This is called at the start of each level
3239 ================
3240 */
3241
3242 void SV_SpawnServer (const char *server)
3243 {
3244         prvm_prog_t *prog = SVVM_prog;
3245         prvm_edict_t *ent;
3246         int i;
3247         char *entities;
3248         dp_model_t *worldmodel;
3249         char modelname[sizeof(sv.worldname)];
3250         char vabuf[1024];
3251
3252         Con_DPrintf("SpawnServer: %s\n", server);
3253
3254         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
3255
3256         if (!FS_FileExists(modelname))
3257         {
3258                 dpsnprintf (modelname, sizeof(modelname), "maps/%s", server);
3259                 if (!FS_FileExists(modelname))
3260                 {
3261                         Con_Printf("SpawnServer: no map file named maps/%s.bsp\n", server);
3262                         return;
3263                 }
3264         }
3265
3266 //      SV_LockThreadMutex();
3267
3268         if(cls.state == ca_dedicated)
3269                 Sys_MakeProcessNice();
3270
3271         if (cls.state != ca_dedicated)
3272         {
3273                 SCR_BeginLoadingPlaque(false);
3274                 S_StopAllSounds();
3275         }
3276
3277         if(sv.active)
3278         {
3279                 World_End(&sv.world);
3280                 if(PRVM_serverfunction(SV_Shutdown))
3281                 {
3282                         func_t s = PRVM_serverfunction(SV_Shutdown);
3283                         PRVM_serverglobalfloat(time) = sv.time;
3284                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
3285                         prog->ExecuteProgram(prog, s,"SV_Shutdown() required");
3286                 }
3287         }
3288
3289         // free q3 shaders so that any newly downloaded shaders will be active
3290         Mod_FreeQ3Shaders();
3291
3292         worldmodel = Mod_ForName(modelname, false, developer.integer > 0, NULL);
3293         if (!worldmodel || !worldmodel->TraceBox)
3294         {
3295                 Con_Printf("Couldn't load map %s\n", modelname);
3296
3297                 if(cls.state == ca_dedicated)
3298                         Sys_MakeProcessMean();
3299
3300 //              SV_UnlockThreadMutex();
3301
3302                 return;
3303         }
3304
3305         Collision_Cache_Reset(true);
3306
3307         // let's not have any servers with no name
3308         if (hostname.string[0] == 0)
3309                 Cvar_Set ("hostname", "UNNAMED");
3310         scr_centertime_off = 0;
3311
3312         svs.changelevel_issued = false;         // now safe to issue another
3313
3314         // make the map a required file for clients
3315         Curl_ClearRequirements();
3316         Curl_RequireFile(modelname);
3317
3318 //
3319 // tell all connected clients that we are going to a new level
3320 //
3321         if (sv.active)
3322         {
3323                 client_t *client;
3324                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3325                 {
3326                         if (client->netconnection)
3327                         {
3328                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3329                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3330                         }
3331                 }
3332         }
3333         else
3334         {
3335                 // open server port
3336                 NetConn_OpenServerPorts(true);
3337         }
3338
3339 //
3340 // make cvars consistant
3341 //
3342         if (coop.integer)
3343                 Cvar_SetValue ("deathmatch", 0);
3344         // LordHavoc: it can be useful to have skills outside the range 0-3...
3345         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3346         //Cvar_SetValue ("skill", (float)current_skill);
3347         current_skill = (int)(skill.value + 0.5);
3348
3349 //
3350 // set up the new server
3351 //
3352         memset (&sv, 0, sizeof(sv));
3353         // if running a local client, make sure it doesn't try to access the last
3354         // level's data which is no longer valiud
3355         cls.signon = 0;
3356
3357         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
3358         Cvar_SetValue("sv_mapformat_is_quake2", worldmodel->brush.isq2bsp);
3359         Cvar_SetValue("sv_mapformat_is_quake3", worldmodel->brush.isq3bsp);
3360
3361         if(*sv_random_seed.string)
3362         {
3363                 srand(sv_random_seed.integer);
3364                 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);
3365         }
3366
3367         SV_VM_Setup();
3368
3369         sv.active = true;
3370
3371         // set level base name variables for later use
3372         strlcpy (sv.name, server, sizeof (sv.name));
3373         strlcpy(sv.worldname, modelname, sizeof(sv.worldname));
3374         FS_StripExtension(sv.worldname, sv.worldnamenoextension, sizeof(sv.worldnamenoextension));
3375         strlcpy(sv.worldbasename, !strncmp(sv.worldnamenoextension, "maps/", 5) ? sv.worldnamenoextension + 5 : sv.worldnamenoextension, sizeof(sv.worldbasename));
3376         //Cvar_SetQuick(&sv_worldmessage, sv.worldmessage); // set later after QC is spawned
3377         Cvar_SetQuick(&sv_worldname, sv.worldname);
3378         Cvar_SetQuick(&sv_worldnamenoextension, sv.worldnamenoextension);
3379         Cvar_SetQuick(&sv_worldbasename, sv.worldbasename);
3380
3381         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3382         if (sv.protocol == PROTOCOL_UNKNOWN)
3383         {
3384                 char buffer[1024];
3385                 Protocol_Names(buffer, sizeof(buffer));
3386                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3387                 sv.protocol = PROTOCOL_QUAKE;
3388         }
3389
3390 // load progs to get entity field count
3391         //PR_LoadProgs ( sv_progs.string );
3392
3393         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3394         sv.datagram.cursize = 0;
3395         sv.datagram.data = sv.datagram_buf;
3396
3397         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3398         sv.reliable_datagram.cursize = 0;
3399         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3400
3401         sv.signon.maxsize = sizeof(sv.signon_buf);
3402         sv.signon.cursize = 0;
3403         sv.signon.data = sv.signon_buf;
3404
3405 // leave slots at start for clients only
3406         //prog->num_edicts = svs.maxclients+1;
3407
3408         sv.state = ss_loading;
3409         prog->allowworldwrites = true;
3410         sv.paused = false;
3411
3412         sv.time = 1.0;
3413
3414         Mod_ClearUsed();
3415         worldmodel->used = true;
3416
3417         sv.worldmodel = worldmodel;
3418         sv.models[1] = sv.worldmodel;
3419
3420 //
3421 // clear world interaction links
3422 //
3423         World_SetSize(&sv.world, sv.worldname, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs, prog);
3424         World_Start(&sv.world);
3425
3426         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3427
3428         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3429         strlcpy(sv.model_precache[1], sv.worldname, sizeof(sv.model_precache[1]));
3430         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3431         {
3432                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3433                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.worldname);
3434         }
3435         if(i < sv.worldmodel->brush.numsubmodels)
3436                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3437
3438 //
3439 // load the rest of the entities
3440 //
3441         // AK possible hack since num_edicts is still 0
3442         ent = PRVM_EDICT_NUM(0);
3443         memset (ent->fields.fp, 0, prog->entityfields * sizeof(prvm_vec_t));
3444         ent->priv.server->free = false;
3445         PRVM_serveredictstring(ent, model) = PRVM_SetEngineString(prog, sv.worldname);
3446         PRVM_serveredictfloat(ent, modelindex) = 1;             // world model
3447         PRVM_serveredictfloat(ent, solid) = SOLID_BSP;
3448         PRVM_serveredictfloat(ent, movetype) = MOVETYPE_PUSH;
3449         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, mins));
3450         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, maxs));
3451         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, absmin));
3452         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, absmax));
3453
3454         if (coop.value)
3455                 PRVM_serverglobalfloat(coop) = coop.integer;
3456         else
3457                 PRVM_serverglobalfloat(deathmatch) = deathmatch.integer;
3458
3459         PRVM_serverglobalstring(mapname) = PRVM_SetEngineString(prog, sv.name);
3460
3461 // serverflags are for cross level information (sigils)
3462         PRVM_serverglobalfloat(serverflags) = svs.serverflags;
3463
3464         // we need to reset the spawned flag on all connected clients here so that
3465         // their thinks don't run during startup (before PutClientInServer)
3466         // we also need to set up the client entities now
3467         // and we need to set the ->edict pointers to point into the progs edicts
3468         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3469         {
3470                 host_client->begun = false;
3471                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3472                 PRVM_ED_ClearEdict(prog, host_client->edict);
3473         }
3474
3475         // load replacement entity file if found
3476         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va(vabuf, sizeof(vabuf), "%s.ent", sv.worldnamenoextension), tempmempool, true, NULL)))
3477         {
3478                 Con_Printf("Loaded %s.ent\n", sv.worldnamenoextension);
3479                 PRVM_ED_LoadFromFile(prog, entities);
3480                 Mem_Free(entities);
3481         }
3482         else
3483                 PRVM_ED_LoadFromFile(prog, sv.worldmodel->brush.entities);
3484
3485
3486         // LordHavoc: clear world angles (to fix e3m3.bsp)
3487         VectorClear(PRVM_serveredictvector(prog->edicts, angles));
3488
3489 // all setup is completed, any further precache statements are errors
3490 //      sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3491         prog->allowworldwrites = false;
3492
3493 // run two frames to allow everything to settle
3494         sv.time = 1.0001;
3495         for (i = 0;i < 2;i++)
3496         {
3497                 sv.frametime = 0.1;
3498                 SV_Physics ();
3499         }
3500
3501         if (cls.state == ca_dedicated)
3502                 Mod_PurgeUnused();
3503
3504 // create a baseline for more efficient communications
3505         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)
3506                 SV_CreateBaseline ();
3507
3508         sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3509
3510 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3511         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3512         {
3513                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3514                 if (!host_client->active)
3515                         continue;
3516                 if (host_client->netconnection)
3517                         SV_SendServerinfo(host_client);
3518                 else
3519                 {
3520                         int j;
3521                         // if client is a botclient coming from a level change, we need to
3522                         // set up client info that normally requires networking
3523
3524                         // copy spawn parms out of the client_t
3525                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3526                                 (&PRVM_serverglobalfloat(parm1))[j] = host_client->spawn_parms[j];
3527
3528                         // call the spawn function
3529                         host_client->clientconnectcalled = true;
3530                         PRVM_serverglobalfloat(time) = sv.time;
3531                         PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3532                         prog->ExecuteProgram(prog, PRVM_serverfunction(ClientConnect), "QC function ClientConnect is missing");
3533                         prog->ExecuteProgram(prog, PRVM_serverfunction(PutClientInServer), "QC function PutClientInServer is missing");
3534                         host_client->begun = true;
3535                 }
3536         }
3537
3538         // update the map title cvar
3539         strlcpy(sv.worldmessage, PRVM_GetString(prog, PRVM_serveredictstring(prog->edicts, message)), sizeof(sv.worldmessage)); // map title (not related to filename)
3540         Cvar_SetQuick(&sv_worldmessage, sv.worldmessage);
3541
3542         Con_DPrint("Server spawned.\n");
3543         NetConn_Heartbeat (2);
3544
3545         if(cls.state == ca_dedicated)
3546                 Sys_MakeProcessMean();
3547
3548 //      SV_UnlockThreadMutex();
3549 }
3550
3551 /////////////////////////////////////////////////////
3552 // SV VM stuff
3553
3554 static void SVVM_begin_increase_edicts(prvm_prog_t *prog)
3555 {
3556         // links don't survive the transition, so unlink everything
3557         World_UnlinkAll(&sv.world);
3558 }
3559
3560 static void SVVM_end_increase_edicts(prvm_prog_t *prog)
3561 {
3562         int i;
3563         prvm_edict_t *ent;
3564
3565         // link every entity except world
3566         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
3567                 if (!ent->priv.server->free)
3568                         SV_LinkEdict(ent);
3569 }
3570
3571 static void SVVM_init_edict(prvm_prog_t *prog, prvm_edict_t *e)
3572 {
3573         // LordHavoc: for consistency set these here
3574         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3575
3576         e->priv.server->move = false; // don't move on first frame
3577
3578         if (num >= 0 && num < svs.maxclients)
3579         {
3580                 // set colormap and team on newly created player entity
3581                 PRVM_serveredictfloat(e, colormap) = num + 1;
3582                 PRVM_serveredictfloat(e, team) = (svs.clients[num].colors & 15) + 1;
3583                 // set netname/clientcolors back to client values so that
3584                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3585                 // reset them
3586                 PRVM_serveredictstring(e, netname) = PRVM_SetEngineString(prog, svs.clients[num].name);
3587                 PRVM_serveredictfloat(e, clientcolors) = svs.clients[num].colors;
3588                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3589                 PRVM_serveredictstring(e, playermodel) = PRVM_SetEngineString(prog, svs.clients[num].playermodel);
3590                 PRVM_serveredictstring(e, playerskin) = PRVM_SetEngineString(prog, svs.clients[num].playerskin);
3591                 // Assign netaddress (IP Address, etc)
3592                 if(svs.clients[num].netconnection != NULL)
3593                 {
3594                         // Acquire Readable Address
3595                         LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3596                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(prog, svs.clients[num].netaddress);
3597                 }
3598                 else
3599                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(prog, "null/botclient");
3600                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_idfp[0])
3601                         PRVM_serveredictstring(e, crypto_idfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.client_idfp);
3602                 else
3603                         PRVM_serveredictstring(e, crypto_idfp) = 0;
3604                 PRVM_serveredictfloat(e, crypto_idfp_signed) = (svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_issigned);
3605                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_keyfp[0])
3606                         PRVM_serveredictstring(e, crypto_keyfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.client_keyfp);
3607                 else
3608                         PRVM_serveredictstring(e, crypto_keyfp) = 0;
3609                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.server_keyfp[0])
3610                         PRVM_serveredictstring(e, crypto_mykeyfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.server_keyfp);
3611                 else
3612                         PRVM_serveredictstring(e, crypto_mykeyfp) = 0;
3613                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.use_aes)
3614                         PRVM_serveredictstring(e, crypto_encryptmethod) = PRVM_SetEngineString(prog, "AES128");
3615                 else
3616                         PRVM_serveredictstring(e, crypto_encryptmethod) = 0;
3617                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated)
3618                         PRVM_serveredictstring(e, crypto_signmethod) = PRVM_SetEngineString(prog, "HMAC-SHA256");
3619                 else
3620                         PRVM_serveredictstring(e, crypto_signmethod) = 0;
3621         }
3622 }
3623
3624 static void SVVM_free_edict(prvm_prog_t *prog, prvm_edict_t *ed)
3625 {
3626         int i;
3627         int e;
3628
3629         World_UnlinkEdict(ed);          // unlink from world bsp
3630
3631         PRVM_serveredictstring(ed, model) = 0;
3632         PRVM_serveredictfloat(ed, takedamage) = 0;
3633         PRVM_serveredictfloat(ed, modelindex) = 0;
3634         PRVM_serveredictfloat(ed, colormap) = 0;
3635         PRVM_serveredictfloat(ed, skin) = 0;
3636         PRVM_serveredictfloat(ed, frame) = 0;
3637         VectorClear(PRVM_serveredictvector(ed, origin));
3638         VectorClear(PRVM_serveredictvector(ed, angles));
3639         PRVM_serveredictfloat(ed, nextthink) = -1;
3640         PRVM_serveredictfloat(ed, solid) = 0;
3641
3642         VM_RemoveEdictSkeleton(prog, ed);
3643         World_Physics_RemoveFromEntity(&sv.world, ed);
3644         World_Physics_RemoveJointFromEntity(&sv.world, ed);
3645
3646         // make sure csqc networking is aware of the removed entity
3647         e = PRVM_NUM_FOR_EDICT(ed);
3648         sv.csqcentityversion[e] = 0;
3649         for (i = 0;i < svs.maxclients;i++)
3650                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3651 }
3652
3653 static void SVVM_count_edicts(prvm_prog_t *prog)
3654 {
3655         int             i;
3656         prvm_edict_t    *ent;
3657         int             active, models, solid, step;
3658
3659         active = models = solid = step = 0;
3660         for (i=0 ; i<prog->num_edicts ; i++)
3661         {
3662                 ent = PRVM_EDICT_NUM(i);
3663                 if (ent->priv.server->free)
3664                         continue;
3665                 active++;
3666                 if (PRVM_serveredictfloat(ent, solid))
3667                         solid++;
3668                 if (PRVM_serveredictstring(ent, model))
3669                         models++;
3670                 if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
3671                         step++;
3672         }
3673
3674         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3675         Con_Printf("active    :%3i\n", active);
3676         Con_Printf("view      :%3i\n", models);
3677         Con_Printf("touch     :%3i\n", solid);
3678         Con_Printf("step      :%3i\n", step);
3679 }
3680
3681 static qboolean SVVM_load_edict(prvm_prog_t *prog, prvm_edict_t *ent)
3682 {
3683         // remove things from different skill levels or deathmatch
3684         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3685         {
3686                 if (deathmatch.integer)
3687                 {
3688                         if (((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_DEATHMATCH))
3689                         {
3690                                 return false;
3691                         }
3692                 }
3693                 else if ((current_skill <= 0 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_EASY  ))
3694                         || (current_skill == 1 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_MEDIUM))
3695                         || (current_skill >= 2 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_HARD  )))
3696                 {
3697                         return false;
3698                 }
3699         }
3700         return true;
3701 }
3702
3703 static void SV_VM_Setup(void)
3704 {
3705         prvm_prog_t *prog = SVVM_prog;
3706         PRVM_Prog_Init(prog);
3707
3708         // allocate the mempools
3709         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3710         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3711         prog->builtins = vm_sv_builtins;
3712         prog->numbuiltins = vm_sv_numbuiltins;
3713         prog->max_edicts = 512;
3714         if (sv.protocol == PROTOCOL_QUAKE)
3715                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3716         else if (sv.protocol == PROTOCOL_QUAKEDP)
3717                 prog->limit_edicts = 2048; // guessing
3718         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3719                 prog->limit_edicts = 2048; // guessing!
3720         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3721                 prog->limit_edicts = 4096; // guessing!
3722         else
3723                 prog->limit_edicts = MAX_EDICTS;
3724         prog->reserved_edicts = svs.maxclients;
3725         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3726         prog->name = "server";
3727         prog->extensionstring = vm_sv_extensions;
3728         prog->loadintoworld = true;
3729
3730         // all callbacks must be defined (pointers are not checked before calling)
3731         prog->begin_increase_edicts = SVVM_begin_increase_edicts;
3732         prog->end_increase_edicts   = SVVM_end_increase_edicts;
3733         prog->init_edict            = SVVM_init_edict;
3734         prog->free_edict            = SVVM_free_edict;
3735         prog->count_edicts          = SVVM_count_edicts;
3736         prog->load_edict            = SVVM_load_edict;
3737         prog->init_cmd              = SVVM_init_cmd;
3738         prog->reset_cmd             = SVVM_reset_cmd;
3739         prog->error_cmd             = Host_Error;
3740         prog->ExecuteProgram        = SVVM_ExecuteProgram;
3741
3742         PRVM_Prog_Load(prog, sv_progs.string, NULL, 0, SV_REQFUNCS, sv_reqfuncs, SV_REQFIELDS, sv_reqfields, SV_REQGLOBALS, sv_reqglobals);
3743
3744         // some mods compiled with scrambling compilers lack certain critical
3745         // global names and field names such as "self" and "time" and "nextthink"
3746         // so we have to set these offsets manually, matching the entvars_t
3747         // but we only do this if the prog header crc matches, otherwise it's totally freeform
3748         if (prog->progs_crc == PROGHEADER_CRC || prog->progs_crc == PROGHEADER_CRC_TENEBRAE)
3749         {
3750                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, modelindex);
3751                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmin);
3752                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmax);
3753                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ltime);
3754                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movetype);
3755                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, solid);
3756                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, origin);
3757                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, oldorigin);
3758                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, velocity);
3759                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3760                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, avelocity);
3761                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, punchangle);
3762                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3763                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, model);
3764                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3765                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, skin);
3766                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, effects);
3767                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, mins);
3768                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, maxs);
3769                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, size);
3770                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, touch);
3771                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, use);
3772                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3773                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, blocked);
3774                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3775                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3776                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, health);
3777                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frags);
3778                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weapon);
3779                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponmodel);
3780                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponframe);
3781                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, currentammo);
3782                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_shells);
3783                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_nails);
3784                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_rockets);
3785                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_cells);
3786                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, items);
3787                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, takedamage);
3788                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3789                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, deadflag);
3790                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, view_ofs);
3791                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button0);
3792                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button1);
3793                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button2);
3794                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, impulse);
3795                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, fixangle);
3796                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, v_angle);
3797                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, idealpitch);
3798                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, netname);
3799                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, enemy);
3800                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, flags);
3801                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, colormap);
3802                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, team);
3803                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, max_health);
3804                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, teleport_time);
3805                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armortype);
3806                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armorvalue);
3807                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, waterlevel);
3808                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, watertype);
3809                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
3810                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
3811                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, aiment);
3812                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, goalentity);
3813                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, spawnflags);
3814                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, target);
3815                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, targetname);
3816                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_take);
3817                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_save);
3818                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_inflictor);
3819                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, owner);
3820                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movedir);
3821                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, message);
3822                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, sounds);
3823                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise);
3824                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise1);
3825                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise2);
3826                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise3);
3827                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
3828                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, other);
3829                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, world);
3830                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
3831                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, frametime);
3832                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, force_retouch);
3833                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, mapname);
3834                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, deathmatch);
3835                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, coop);
3836                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, teamplay);
3837                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, serverflags);
3838                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_secrets);
3839                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_monsters);
3840                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, found_secrets);
3841                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, killed_monsters);
3842                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm1);
3843                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm2);
3844                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm3);
3845                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm4);
3846                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm5);
3847                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm6);
3848                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm7);
3849                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm8);
3850                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm9);
3851                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm10);
3852                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm11);
3853                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm12);
3854                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm13);
3855                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm14);
3856                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm15);
3857                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm16);
3858                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
3859                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
3860                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
3861                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
3862                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
3863                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
3864                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
3865                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
3866                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
3867                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
3868                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
3869                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
3870                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, msg_entity);
3871 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, main);
3872 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, StartFrame);
3873 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPreThink);
3874 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPostThink);
3875 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientKill);
3876 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientConnect);
3877 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PutClientInServer);
3878 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientDisconnect);
3879 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetNewParms);
3880 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetChangeParms);
3881         }
3882         else
3883                 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);
3884
3885         // OP_STATE is always supported on server because we add fields/globals for it
3886         prog->flag |= PRVM_OP_STATE;
3887
3888         VM_CustomStats_Clear();//[515]: csqc
3889
3890         SV_Prepare_CSQC();
3891 }
3892
3893 extern cvar_t host_maxwait;
3894 extern cvar_t host_framerate;
3895 static int SV_ThreadFunc(void *voiddata)
3896 {
3897         prvm_prog_t *prog = SVVM_prog;
3898         qboolean playing = false;
3899         double sv_timer = 0;
3900         double sv_deltarealtime, sv_oldrealtime, sv_realtime;
3901         double wait;
3902         int i;
3903         char vabuf[1024];
3904         sv_realtime = Sys_DirtyTime();
3905         while (!svs.threadstop)
3906         {
3907                 // FIXME: we need to handle Host_Error in the server thread somehow
3908 //              if (setjmp(sv_abortframe))
3909 //                      continue;                       // something bad happened in the server game
3910
3911                 sv_oldrealtime = sv_realtime;
3912                 sv_realtime = Sys_DirtyTime();
3913                 sv_deltarealtime = sv_realtime - sv_oldrealtime;
3914                 if (sv_deltarealtime < 0 || sv_deltarealtime >= 1800) sv_deltarealtime = 0;
3915
3916                 sv_timer += sv_deltarealtime;
3917
3918                 svs.perf_acc_realtime += sv_deltarealtime;
3919
3920                 // 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)
3921                 SV_LockThreadMutex();
3922
3923                 // Look for clients who have spawned
3924                 playing = false;
3925                 if (sv.active)
3926                         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3927                                 if(host_client->begun)
3928                                         if(host_client->netconnection)
3929                                                 playing = true;
3930                 if(sv.time < 10)
3931                 {
3932                         // don't accumulate time for the first 10 seconds of a match
3933                         // so things can settle
3934                         svs.perf_acc_realtime = svs.perf_acc_sleeptime = svs.perf_acc_lost = svs.perf_acc_offset = svs.perf_acc_offset_squared = svs.perf_acc_offset_max = svs.perf_acc_offset_samples = 0;
3935                 }
3936                 else if(svs.perf_acc_realtime > 5)
3937                 {
3938                         svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
3939                         svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
3940                         if(svs.perf_acc_offset_samples > 0)
3941                         {
3942                                 svs.perf_offset_max = svs.perf_acc_offset_max;
3943                                 svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
3944                                 svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
3945                         }
3946                         if(svs.perf_lost > 0 && developer_extra.integer)
3947                                 if(playing)
3948                                         Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport(vabuf, sizeof(vabuf)));
3949                         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;
3950                 }
3951
3952                 // get new packets
3953                 if (sv.active)
3954                         NetConn_ServerFrame();
3955
3956                 // if the accumulators haven't become positive yet, wait a while
3957                 wait = sv_timer * -1000000.0;
3958                 if (wait >= 1)
3959                 {
3960                         double time0, delta;
3961                         SV_UnlockThreadMutex(); // don't keep mutex locked while sleeping
3962                         if (host_maxwait.value <= 0)
3963                                 wait = min(wait, 1000000.0);
3964                         else
3965                                 wait = min(wait, host_maxwait.value * 1000.0);
3966                         if(wait < 1)
3967                                 wait = 1; // because we cast to int
3968                         time0 = Sys_DirtyTime();
3969                         Sys_Sleep((int)wait);
3970                         delta = Sys_DirtyTime() - time0;if (delta < 0 || delta >= 1800) delta = 0;
3971                         svs.perf_acc_sleeptime += delta;
3972                         continue;
3973                 }
3974
3975                 if (sv.active && sv_timer > 0)
3976                 {
3977                         // execute one server frame
3978                         double advancetime;
3979                         float offset;
3980
3981                         if (sys_ticrate.value <= 0)
3982                                 advancetime = min(sv_timer, 0.1); // don't step more than 100ms
3983                         else
3984                                 advancetime = sys_ticrate.value;
3985
3986                         if(advancetime > 0)
3987                         {
3988                                 offset = sv_timer + (Sys_DirtyTime() - sv_realtime); // LordHavoc: FIXME: I don't understand this line
3989                                 ++svs.perf_acc_offset_samples;
3990                                 svs.perf_acc_offset += offset;
3991                                 svs.perf_acc_offset_squared += offset * offset;
3992                                 if(svs.perf_acc_offset_max < offset)
3993                                         svs.perf_acc_offset_max = offset;
3994                         }
3995
3996                         // only advance time if not paused
3997                         // the game also pauses in singleplayer when menu or console is used
3998                         sv.frametime = advancetime * slowmo.value;
3999                         if (host_framerate.value)
4000                                 sv.frametime = host_framerate.value;
4001                         if (sv.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
4002                                 sv.frametime = 0;
4003
4004                         sv_timer -= advancetime;
4005
4006                         // move things around and think unless paused
4007                         if (sv.frametime)
4008                                 SV_Physics();
4009
4010                         // send all messages to the clients
4011                         SV_SendClientMessages();
4012
4013                         if (sv.paused == 1 && sv_realtime > sv.pausedstart && sv.pausedstart > 0)
4014                         {
4015                                 PRVM_serverglobalfloat(time) = sv.time;
4016                                 prog->globals.fp[OFS_PARM0] = sv_realtime - sv.pausedstart;
4017                                 prog->ExecuteProgram(prog, PRVM_serverfunction(SV_PausedTic), "QC function SV_PausedTic is missing");
4018                         }
4019
4020                         // send an heartbeat if enough time has passed since the last one
4021                         NetConn_Heartbeat(0);
4022
4023                 }
4024
4025                 // we're back to safe code now
4026                 SV_UnlockThreadMutex();
4027
4028                 // if there is some time remaining from this frame, reset the timers
4029                 if (sv_timer >= 0)
4030                 {
4031                         svs.perf_acc_lost += sv_timer;
4032                         sv_timer = 0;
4033                 }
4034         }
4035         return 0;
4036 }
4037
4038 void SV_StartThread(void)
4039 {
4040         if (!sv_threaded.integer || !Thread_HasThreads())
4041                 return;
4042         svs.threaded = true;
4043         svs.threadstop = false;
4044         svs.threadmutex = Thread_CreateMutex();
4045         svs.thread = Thread_CreateThread(SV_ThreadFunc, NULL);
4046 }
4047
4048 void SV_StopThread(void)
4049 {
4050         if (!svs.threaded)
4051                 return;
4052         svs.threadstop = true;
4053         Thread_WaitThread(svs.thread, 0);
4054         Thread_DestroyMutex(svs.threadmutex);
4055         svs.threaded = false;
4056 }