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_stepwhilejumping = {0, "sv_gameplayfix_stepwhilejumping", "1", "applies step-up onto a ledge even while airborn, useful if you would otherwise just-miss the floor when running across small areas with gaps (for instance running across the moving platforms in dm2, or jumping to the megahealth and red armor in dm2 rather than using the bridge)"};
 117 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"};
 118 cvar_t sv_gameplayfix_nostepmoveonsteepslopes = {0, "sv_gameplayfix_nostepmoveonsteepslopes", "0", "grude fix which prevents MOVETYPE_STEP (not swimming or flying) to move on slopes whose angle is bigger than 45 degree"};
 119 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"};
 120 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"};
 121 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)"};
 122 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"};
 123 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."};
 124 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"};
 125 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)"};
 126 cvar_t sv_gravity = {CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
 127 cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
 128 cvar_t sv_jumpstep = {CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping (sv_gameplayfix_stepwhilejumping must also be 1)"};
 129 cvar_t sv_jumpvelocity = {0, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
 130 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)"};
 131 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
 132 cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
 133 cvar_t sv_maxvelocity = {CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
 134 cvar_t sv_nostep = {CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
 135 cvar_t sv_playerphysicsqc = {CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
 136 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
 137 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
 138 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"};
 139 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)"};
 140 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)"};
 141 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)"};
 142 cvar_t sv_stepheight = {CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
 143 cvar_t sv_stopspeed = {CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
 144 cvar_t sv_wallfriction = {CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
 145 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"};
 146 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"};
 147 cvar_t sv_warsowbunny_airforwardaccel = {0, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
 148 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)"};
 149 cvar_t sv_warsowbunny_topspeed = {0, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
 150 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)"};
 151 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"};
 152 cvar_t sv_onlycsqcnetworking = {0, "sv_onlycsqcnetworking", "0", "disables legacy entity networking code for higher performance (except on clients, which can still be legacy)"};
 153 cvar_t sv_areadebug = {0, "sv_areadebug", "0", "disables physics culling for debugging purposes (only for development)"};
 154 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"};
 155 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"};
 156 cvar_t timelimit = {CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
 157 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"};
 158
 159 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 160 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 161 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 162 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 163 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 164 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
 165 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
 166 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
 167 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
 168 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)"};
 169
 170 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
 171 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
 172 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
 173 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
 174 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
 175 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
 176 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
 177 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
 178 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
 179 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
 180 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
 181 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
 182 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
 183 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
 184 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
 185 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
 186 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
 187 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
 188 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
 189 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
 190 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
 191
 192 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)"};
 193 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)" };
 194 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."};
 195
 196 cvar_t halflifebsp = {0, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
 197
 198 server_t sv;
 199 server_static_t svs;
 200
 201 mempool_t *sv_mempool = NULL;
 202
 203 extern cvar_t slowmo;
 204 extern float            scr_centertime_off;
 205
 206 // MUST match effectnameindex_t in client.h
 207 static const char *standardeffectnames[EFFECT_TOTAL] =
 208 {
 209         "",
 210         "TE_GUNSHOT",
 211         "TE_GUNSHOTQUAD",
 212         "TE_SPIKE",
 213         "TE_SPIKEQUAD",
 214         "TE_SUPERSPIKE",
 215         "TE_SUPERSPIKEQUAD",
 216         "TE_WIZSPIKE",
 217         "TE_KNIGHTSPIKE",
 218         "TE_EXPLOSION",
 219         "TE_EXPLOSIONQUAD",
 220         "TE_TAREXPLOSION",
 221         "TE_TELEPORT",
 222         "TE_LAVASPLASH",
 223         "TE_SMALLFLASH",
 224         "TE_FLAMEJET",
 225         "EF_FLAME",
 226         "TE_BLOOD",
 227         "TE_SPARK",
 228         "TE_PLASMABURN",
 229         "TE_TEI_G3",
 230         "TE_TEI_SMOKE",
 231         "TE_TEI_BIGEXPLOSION",
 232         "TE_TEI_PLASMAHIT",
 233         "EF_STARDUST",
 234         "TR_ROCKET",
 235         "TR_GRENADE",
 236         "TR_BLOOD",
 237         "TR_WIZSPIKE",
 238         "TR_SLIGHTBLOOD",
 239         "TR_KNIGHTSPIKE",
 240         "TR_VORESPIKE",
 241         "TR_NEHAHRASMOKE",
 242         "TR_NEXUIZPLASMA",
 243         "TR_GLOWTRAIL",
 244         "SVC_PARTICLE"
 245 };
 246
 247 #define SV_REQFUNCS 0
 248 #define sv_reqfuncs NULL
 249
 250 //#define SV_REQFUNCS (sizeof(sv_reqfuncs) / sizeof(const char *))
 251 //static const char *sv_reqfuncs[] = {
 252 //};
 253
 254 #define SV_REQFIELDS (sizeof(sv_reqfields) / sizeof(prvm_required_field_t))
 255
 256 prvm_required_field_t sv_reqfields[] =
 257 {
 258 #define PRVM_DECLARE_serverglobalfloat(x)
 259 #define PRVM_DECLARE_serverglobalvector(x)
 260 #define PRVM_DECLARE_serverglobalstring(x)
 261 #define PRVM_DECLARE_serverglobaledict(x)
 262 #define PRVM_DECLARE_serverglobalfunction(x)
 263 #define PRVM_DECLARE_clientglobalfloat(x)
 264 #define PRVM_DECLARE_clientglobalvector(x)
 265 #define PRVM_DECLARE_clientglobalstring(x)
 266 #define PRVM_DECLARE_clientglobaledict(x)
 267 #define PRVM_DECLARE_clientglobalfunction(x)
 268 #define PRVM_DECLARE_menuglobalfloat(x)
 269 #define PRVM_DECLARE_menuglobalvector(x)
 270 #define PRVM_DECLARE_menuglobalstring(x)
 271 #define PRVM_DECLARE_menuglobaledict(x)
 272 #define PRVM_DECLARE_menuglobalfunction(x)
 273 #define PRVM_DECLARE_serverfieldfloat(x) {ev_float, #x},
 274 #define PRVM_DECLARE_serverfieldvector(x) {ev_vector, #x},
 275 #define PRVM_DECLARE_serverfieldstring(x) {ev_string, #x},
 276 #define PRVM_DECLARE_serverfieldedict(x) {ev_entity, #x},
 277 #define PRVM_DECLARE_serverfieldfunction(x) {ev_function, #x},
 278 #define PRVM_DECLARE_clientfieldfloat(x)
 279 #define PRVM_DECLARE_clientfieldvector(x)
 280 #define PRVM_DECLARE_clientfieldstring(x)
 281 #define PRVM_DECLARE_clientfieldedict(x)
 282 #define PRVM_DECLARE_clientfieldfunction(x)
 283 #define PRVM_DECLARE_menufieldfloat(x)
 284 #define PRVM_DECLARE_menufieldvector(x)
 285 #define PRVM_DECLARE_menufieldstring(x)
 286 #define PRVM_DECLARE_menufieldedict(x)
 287 #define PRVM_DECLARE_menufieldfunction(x)
 288 #define PRVM_DECLARE_serverfunction(x)
 289 #define PRVM_DECLARE_clientfunction(x)
 290 #define PRVM_DECLARE_menufunction(x)
 291 #define PRVM_DECLARE_field(x)
 292 #define PRVM_DECLARE_global(x)
 293 #define PRVM_DECLARE_function(x)
 294 #include "prvm_offsets.h"
 295 #undef PRVM_DECLARE_serverglobalfloat
 296 #undef PRVM_DECLARE_serverglobalvector
 297 #undef PRVM_DECLARE_serverglobalstring
 298 #undef PRVM_DECLARE_serverglobaledict
 299 #undef PRVM_DECLARE_serverglobalfunction
 300 #undef PRVM_DECLARE_clientglobalfloat
 301 #undef PRVM_DECLARE_clientglobalvector
 302 #undef PRVM_DECLARE_clientglobalstring
 303 #undef PRVM_DECLARE_clientglobaledict
 304 #undef PRVM_DECLARE_clientglobalfunction
 305 #undef PRVM_DECLARE_menuglobalfloat
 306 #undef PRVM_DECLARE_menuglobalvector
 307 #undef PRVM_DECLARE_menuglobalstring
 308 #undef PRVM_DECLARE_menuglobaledict
 309 #undef PRVM_DECLARE_menuglobalfunction
 310 #undef PRVM_DECLARE_serverfieldfloat
 311 #undef PRVM_DECLARE_serverfieldvector
 312 #undef PRVM_DECLARE_serverfieldstring
 313 #undef PRVM_DECLARE_serverfieldedict
 314 #undef PRVM_DECLARE_serverfieldfunction
 315 #undef PRVM_DECLARE_clientfieldfloat
 316 #undef PRVM_DECLARE_clientfieldvector
 317 #undef PRVM_DECLARE_clientfieldstring
 318 #undef PRVM_DECLARE_clientfieldedict
 319 #undef PRVM_DECLARE_clientfieldfunction
 320 #undef PRVM_DECLARE_menufieldfloat
 321 #undef PRVM_DECLARE_menufieldvector
 322 #undef PRVM_DECLARE_menufieldstring
 323 #undef PRVM_DECLARE_menufieldedict
 324 #undef PRVM_DECLARE_menufieldfunction
 325 #undef PRVM_DECLARE_serverfunction
 326 #undef PRVM_DECLARE_clientfunction
 327 #undef PRVM_DECLARE_menufunction
 328 #undef PRVM_DECLARE_field
 329 #undef PRVM_DECLARE_global
 330 #undef PRVM_DECLARE_function
 331 };
 332
 333 #define SV_REQGLOBALS (sizeof(sv_reqglobals) / sizeof(prvm_required_field_t))
 334
 335 prvm_required_field_t sv_reqglobals[] =
 336 {
 337 #define PRVM_DECLARE_serverglobalfloat(x) {ev_float, #x},
 338 #define PRVM_DECLARE_serverglobalvector(x) {ev_vector, #x},
 339 #define PRVM_DECLARE_serverglobalstring(x) {ev_string, #x},
 340 #define PRVM_DECLARE_serverglobaledict(x) {ev_entity, #x},
 341 #define PRVM_DECLARE_serverglobalfunction(x) {ev_function, #x},
 342 #define PRVM_DECLARE_clientglobalfloat(x)
 343 #define PRVM_DECLARE_clientglobalvector(x)
 344 #define PRVM_DECLARE_clientglobalstring(x)
 345 #define PRVM_DECLARE_clientglobaledict(x)
 346 #define PRVM_DECLARE_clientglobalfunction(x)
 347 #define PRVM_DECLARE_menuglobalfloat(x)
 348 #define PRVM_DECLARE_menuglobalvector(x)
 349 #define PRVM_DECLARE_menuglobalstring(x)
 350 #define PRVM_DECLARE_menuglobaledict(x)
 351 #define PRVM_DECLARE_menuglobalfunction(x)
 352 #define PRVM_DECLARE_serverfieldfloat(x)
 353 #define PRVM_DECLARE_serverfieldvector(x)
 354 #define PRVM_DECLARE_serverfieldstring(x)
 355 #define PRVM_DECLARE_serverfieldedict(x)
 356 #define PRVM_DECLARE_serverfieldfunction(x)
 357 #define PRVM_DECLARE_clientfieldfloat(x)
 358 #define PRVM_DECLARE_clientfieldvector(x)
 359 #define PRVM_DECLARE_clientfieldstring(x)
 360 #define PRVM_DECLARE_clientfieldedict(x)
 361 #define PRVM_DECLARE_clientfieldfunction(x)
 362 #define PRVM_DECLARE_menufieldfloat(x)
 363 #define PRVM_DECLARE_menufieldvector(x)
 364 #define PRVM_DECLARE_menufieldstring(x)
 365 #define PRVM_DECLARE_menufieldedict(x)
 366 #define PRVM_DECLARE_menufieldfunction(x)
 367 #define PRVM_DECLARE_serverfunction(x)
 368 #define PRVM_DECLARE_clientfunction(x)
 369 #define PRVM_DECLARE_menufunction(x)
 370 #define PRVM_DECLARE_field(x)
 371 #define PRVM_DECLARE_global(x)
 372 #define PRVM_DECLARE_function(x)
 373 #include "prvm_offsets.h"
 374 #undef PRVM_DECLARE_serverglobalfloat
 375 #undef PRVM_DECLARE_serverglobalvector
 376 #undef PRVM_DECLARE_serverglobalstring
 377 #undef PRVM_DECLARE_serverglobaledict
 378 #undef PRVM_DECLARE_serverglobalfunction
 379 #undef PRVM_DECLARE_clientglobalfloat
 380 #undef PRVM_DECLARE_clientglobalvector
 381 #undef PRVM_DECLARE_clientglobalstring
 382 #undef PRVM_DECLARE_clientglobaledict
 383 #undef PRVM_DECLARE_clientglobalfunction
 384 #undef PRVM_DECLARE_menuglobalfloat
 385 #undef PRVM_DECLARE_menuglobalvector
 386 #undef PRVM_DECLARE_menuglobalstring
 387 #undef PRVM_DECLARE_menuglobaledict
 388 #undef PRVM_DECLARE_menuglobalfunction
 389 #undef PRVM_DECLARE_serverfieldfloat
 390 #undef PRVM_DECLARE_serverfieldvector
 391 #undef PRVM_DECLARE_serverfieldstring
 392 #undef PRVM_DECLARE_serverfieldedict
 393 #undef PRVM_DECLARE_serverfieldfunction
 394 #undef PRVM_DECLARE_clientfieldfloat
 395 #undef PRVM_DECLARE_clientfieldvector
 396 #undef PRVM_DECLARE_clientfieldstring
 397 #undef PRVM_DECLARE_clientfieldedict
 398 #undef PRVM_DECLARE_clientfieldfunction
 399 #undef PRVM_DECLARE_menufieldfloat
 400 #undef PRVM_DECLARE_menufieldvector
 401 #undef PRVM_DECLARE_menufieldstring
 402 #undef PRVM_DECLARE_menufieldedict
 403 #undef PRVM_DECLARE_menufieldfunction
 404 #undef PRVM_DECLARE_serverfunction
 405 #undef PRVM_DECLARE_clientfunction
 406 #undef PRVM_DECLARE_menufunction
 407 #undef PRVM_DECLARE_field
 408 #undef PRVM_DECLARE_global
 409 #undef PRVM_DECLARE_function
 410 };
 411
 412
 413
 414 //============================================================================
 415
 416 static void SV_AreaStats_f(void)
 417 {
 418         World_PrintAreaStats(&sv.world, "server");
 419 }
 420
 421 /*
 422 ===============
 423 SV_Init
 424 ===============
 425 */
 426 void SV_Init (void)
 427 {
 428         // init the csqc progs cvars, since they are updated/used by the server code
 429         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
 430         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
 431         extern cvar_t csqc_progcrc;
 432         extern cvar_t csqc_progsize;
 433         extern cvar_t csqc_usedemoprogs;
 434
 435         Cvar_RegisterVariable(&sv_worldmessage);
 436         Cvar_RegisterVariable(&sv_worldname);
 437         Cvar_RegisterVariable(&sv_worldnamenoextension);
 438         Cvar_RegisterVariable(&sv_worldbasename);
 439
 440         Cvar_RegisterVariable (&csqc_progname);
 441         Cvar_RegisterVariable (&csqc_progcrc);
 442         Cvar_RegisterVariable (&csqc_progsize);
 443         Cvar_RegisterVariable (&csqc_usedemoprogs);
 444
 445         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
 446         Cmd_AddCommand("sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
 447         Cmd_AddCommand_WithClientCommand("sv_startdownload", NULL, SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
 448         Cmd_AddCommand_WithClientCommand("download", NULL, SV_Download_f, "downloads a specified file from the server");
 449
 450         Cvar_RegisterVariable (&sv_disablenotify);
 451         Cvar_RegisterVariable (&coop);
 452         Cvar_RegisterVariable (&deathmatch);
 453         Cvar_RegisterVariable (&fraglimit);
 454         Cvar_RegisterVariable (&gamecfg);
 455         Cvar_RegisterVariable (&noexit);
 456         Cvar_RegisterVariable (&nomonsters);
 457         Cvar_RegisterVariable (&pausable);
 458         Cvar_RegisterVariable (&pr_checkextension);
 459         Cvar_RegisterVariable (&samelevel);
 460         Cvar_RegisterVariable (&skill);
 461         Cvar_RegisterVariable (&slowmo);
 462         Cvar_RegisterVariable (&sv_accelerate);
 463         Cvar_RegisterVariable (&sv_aim);
 464         Cvar_RegisterVariable (&sv_airaccel_qw);
 465         Cvar_RegisterVariable (&sv_airaccel_qw_stretchfactor);
 466         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
 467         Cvar_RegisterVariable (&sv_airaccelerate);
 468         Cvar_RegisterVariable (&sv_airstopaccelerate);
 469         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
 470         Cvar_RegisterVariable (&sv_maxairstrafespeed);
 471         Cvar_RegisterVariable (&sv_airstrafeaccel_qw);
 472         Cvar_RegisterVariable (&sv_airspeedlimit_nonqw);
 473         Cvar_RegisterVariable (&sv_aircontrol);
 474         Cvar_RegisterVariable (&sv_aircontrol_power);
 475         Cvar_RegisterVariable (&sv_aircontrol_penalty);
 476         Cvar_RegisterVariable (&sv_allowdownloads);
 477         Cvar_RegisterVariable (&sv_allowdownloads_archive);
 478         Cvar_RegisterVariable (&sv_allowdownloads_config);
 479         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
 480         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
 481         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
 482         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
 483         Cvar_RegisterVariable (&sv_clmovement_enable);
 484         Cvar_RegisterVariable (&sv_clmovement_minping);
 485         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
 486         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
 487         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
 488         Cvar_RegisterVariable (&sv_cullentities_pvs);
 489         Cvar_RegisterVariable (&sv_cullentities_stats);
 490         Cvar_RegisterVariable (&sv_cullentities_trace);
 491         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
 492         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
 493         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
 494         Cvar_RegisterVariable (&sv_cullentities_trace_entityocclusion);
 495         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
 496         Cvar_RegisterVariable (&sv_cullentities_trace_prediction_time);
 497         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
 498         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
 499         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
 500         Cvar_RegisterVariable (&sv_debugmove);
 501         Cvar_RegisterVariable (&sv_echobprint);
 502         Cvar_RegisterVariable (&sv_edgefriction);
 503         Cvar_RegisterVariable (&sv_entpatch);
 504         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
 505         Cvar_RegisterVariable (&sv_freezenonclients);
 506         Cvar_RegisterVariable (&sv_friction);
 507         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
 508         Cvar_RegisterVariable (&sv_gameplayfix_consistentplayerprethink);
 509         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
 510         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
 511         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
 512         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
 513         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
 514         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
 515         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
 516         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
 517         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
 518         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
 519         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid);
 520         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid_separation);
 521         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
 522         Cvar_RegisterVariable (&sv_gameplayfix_nogravityonground);
 523         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
 524         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
 525         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
 526         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
 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
 609         sv_mempool = Mem_AllocPool("server", 0, NULL);
 610 }
 611
 612 static void SV_SaveEntFile_f(void)
 613 {
 614         char vabuf[1024];
 615         if (!sv.active || !sv.worldmodel)
 616         {
 617                 Con_Print("Not running a server\n");
 618                 return;
 619         }
 620         FS_WriteFile(va(vabuf, sizeof(vabuf), "%s.ent", sv.worldnamenoextension), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
 621 }
 622
 623
 624 /*
 625 =============================================================================
 626
 627 EVENT MESSAGES
 628
 629 =============================================================================
 630 */
 631
 632 /*
 633 ==================
 634 SV_StartParticle
 635
 636 Make sure the event gets sent to all clients
 637 ==================
 638 */
 639 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 640 {
 641         int i;
 642
 643         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 644                 return;
 645         MSG_WriteByte (&sv.datagram, svc_particle);
 646         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 647         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 648         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 649         for (i=0 ; i<3 ; i++)
 650                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
 651         MSG_WriteByte (&sv.datagram, count);
 652         MSG_WriteByte (&sv.datagram, color);
 653         SV_FlushBroadcastMessages();
 654 }
 655
 656 /*
 657 ==================
 658 SV_StartEffect
 659
 660 Make sure the event gets sent to all clients
 661 ==================
 662 */
 663 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 664 {
 665         if (modelindex >= 256 || startframe >= 256)
 666         {
 667                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 668                         return;
 669                 MSG_WriteByte (&sv.datagram, svc_effect2);
 670                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 671                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 672                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 673                 MSG_WriteShort (&sv.datagram, modelindex);
 674                 MSG_WriteShort (&sv.datagram, startframe);
 675                 MSG_WriteByte (&sv.datagram, framecount);
 676                 MSG_WriteByte (&sv.datagram, framerate);
 677         }
 678         else
 679         {
 680                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 681                         return;
 682                 MSG_WriteByte (&sv.datagram, svc_effect);
 683                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 684                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 685                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 686                 MSG_WriteByte (&sv.datagram, modelindex);
 687                 MSG_WriteByte (&sv.datagram, startframe);
 688                 MSG_WriteByte (&sv.datagram, framecount);
 689                 MSG_WriteByte (&sv.datagram, framerate);
 690         }
 691         SV_FlushBroadcastMessages();
 692 }
 693
 694 /*
 695 ==================
 696 SV_StartSound
 697
 698 Each entity can have eight independant sound sources, like voice,
 699 weapon, feet, etc.
 700
 701 Channel 0 is an auto-allocate channel, the others override anything
 702 already running on that entity/channel pair.
 703
 704 An attenuation of 0 will play full volume everywhere in the level.
 705 Larger attenuations will drop off.  (max 4 attenuation)
 706
 707 ==================
 708 */
 709 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation, qboolean reliable, float speed)
 710 {
 711         prvm_prog_t *prog = SVVM_prog;
 712         sizebuf_t *dest;
 713         int sound_num, field_mask, i, ent, speed4000;
 714
 715         dest = (reliable ? &sv.reliable_datagram : &sv.datagram);
 716
 717         if (volume < 0 || volume > 255)
 718         {
 719                 Con_Printf ("SV_StartSound: volume = %i\n", volume);
 720                 return;
 721         }
 722
 723         if (attenuation < 0 || attenuation > 4)
 724         {
 725                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
 726                 return;
 727         }
 728
 729         if (!IS_CHAN(channel))
 730         {
 731                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
 732                 return;
 733         }
 734
 735         channel = CHAN_ENGINE2NET(channel);
 736
 737         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 738                 return;
 739
 740 // find precache number for sound
 741         sound_num = SV_SoundIndex(sample, 1);
 742         if (!sound_num)
 743                 return;
 744
 745         ent = PRVM_NUM_FOR_EDICT(entity);
 746
 747         speed4000 = (int)floor(speed * 4000.0f + 0.5f);
 748         field_mask = 0;
 749         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 750                 field_mask |= SND_VOLUME;
 751         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 752                 field_mask |= SND_ATTENUATION;
 753         if (speed4000 && speed4000 != 4000)
 754                 field_mask |= SND_SPEEDUSHORT4000;
 755         if (ent >= 8192 || channel < 0 || channel > 7)
 756                 field_mask |= SND_LARGEENTITY;
 757         if (sound_num >= 256)
 758                 field_mask |= SND_LARGESOUND;
 759
 760 // directed messages go only to the entity they are targeted on
 761         MSG_WriteByte (dest, svc_sound);
 762         MSG_WriteByte (dest, field_mask);
 763         if (field_mask & SND_VOLUME)
 764                 MSG_WriteByte (dest, volume);
 765         if (field_mask & SND_ATTENUATION)
 766                 MSG_WriteByte (dest, (int)(attenuation*64));
 767         if (field_mask & SND_SPEEDUSHORT4000)
 768                 MSG_WriteShort (dest, speed4000);
 769         if (field_mask & SND_LARGEENTITY)
 770         {
 771                 MSG_WriteShort (dest, ent);
 772                 MSG_WriteChar (dest, channel);
 773         }
 774         else
 775                 MSG_WriteShort (dest, (ent<<3) | channel);
 776         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
 777                 MSG_WriteShort (dest, sound_num);
 778         else
 779                 MSG_WriteByte (dest, sound_num);
 780         for (i = 0;i < 3;i++)
 781                 MSG_WriteCoord (dest, PRVM_serveredictvector(entity, origin)[i]+0.5*(PRVM_serveredictvector(entity, mins)[i]+PRVM_serveredictvector(entity, maxs)[i]), sv.protocol);
 782
 783         // TODO do we have to do anything here when dest is &sv.reliable_datagram?
 784         if(!reliable)
 785                 SV_FlushBroadcastMessages();
 786 }
 787
 788 /*
 789 ==================
 790 SV_StartPointSound
 791
 792 Nearly the same logic as SV_StartSound, except an origin
 793 instead of an entity is provided and channel is omitted.
 794
 795 The entity sent to the client is 0 (world) and the channel
 796 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
 797 function, therefore the check for it is omitted.
 798
 799 ==================
 800 */
 801 void SV_StartPointSound (vec3_t origin, const char *sample, int volume, float attenuation, float speed)
 802 {
 803         int sound_num, field_mask, i, speed4000;
 804
 805         if (volume < 0 || volume > 255)
 806         {
 807                 Con_Printf ("SV_StartPointSound: volume = %i\n", volume);
 808                 return;
 809         }
 810
 811         if (attenuation < 0 || attenuation > 4)
 812         {
 813                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
 814                 return;
 815         }
 816
 817         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 818                 return;
 819
 820         // find precache number for sound
 821         sound_num = SV_SoundIndex(sample, 1);
 822         if (!sound_num)
 823                 return;
 824
 825         speed4000 = (int)(speed * 40.0f);
 826         field_mask = 0;
 827         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 828                 field_mask |= SND_VOLUME;
 829         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 830                 field_mask |= SND_ATTENUATION;
 831         if (sound_num >= 256)
 832                 field_mask |= SND_LARGESOUND;
 833         if (speed4000 && speed4000 != 4000)
 834                 field_mask |= SND_SPEEDUSHORT4000;
 835
 836 // directed messages go only to the entity they are targeted on
 837         MSG_WriteByte (&sv.datagram, svc_sound);
 838         MSG_WriteByte (&sv.datagram, field_mask);
 839         if (field_mask & SND_VOLUME)
 840                 MSG_WriteByte (&sv.datagram, volume);
 841         if (field_mask & SND_ATTENUATION)
 842                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 843         if (field_mask & SND_SPEEDUSHORT4000)
 844                 MSG_WriteShort (&sv.datagram, speed4000);
 845         // Always write entnum 0 for the world entity
 846         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
 847         if (field_mask & SND_LARGESOUND)
 848                 MSG_WriteShort (&sv.datagram, sound_num);
 849         else
 850                 MSG_WriteByte (&sv.datagram, sound_num);
 851         for (i = 0;i < 3;i++)
 852                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
 853         SV_FlushBroadcastMessages();
 854 }
 855
 856 /*
 857 ==============================================================================
 858
 859 CLIENT SPAWNING
 860
 861 ==============================================================================
 862 */
 863
 864 /*
 865 ================
 866 SV_SendServerinfo
 867
 868 Sends the first message from the server to a connected client.
 869 This will be sent on the initial connection and upon each server load.
 870 ================
 871 */
 872 void SV_SendServerinfo (client_t *client)
 873 {
 874         prvm_prog_t *prog = SVVM_prog;
 875         int i;
 876         char message[128];
 877         char vabuf[1024];
 878
 879         // we know that this client has a netconnection and thus is not a bot
 880
 881         // edicts get reallocated on level changes, so we need to update it here
 882         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
 883
 884         // clear cached stuff that depends on the level
 885         client->weaponmodel[0] = 0;
 886         client->weaponmodelindex = 0;
 887
 888         // LordHavoc: clear entityframe tracking
 889         client->latestframenum = 0;
 890
 891         // initialize the movetime, so a speedhack can't make use of the time before this client joined
 892         client->cmd.time = sv.time;
 893
 894         if (client->entitydatabase)
 895                 EntityFrame_FreeDatabase(client->entitydatabase);
 896         if (client->entitydatabase4)
 897                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 898         if (client->entitydatabase5)
 899                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 900
 901         memset(client->stats, 0, sizeof(client->stats));
 902         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
 903
 904         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)
 905         {
 906                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 907                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
 908                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
 909                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
 910                 else
 911                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
 912         }
 913
 914         // reset csqc entity versions
 915         for (i = 0;i < prog->max_edicts;i++)
 916         {
 917                 client->csqcentityscope[i] = 0;
 918                 client->csqcentitysendflags[i] = 0xFFFFFF;
 919                 client->csqcentityglobalhistory[i] = 0;
 920         }
 921         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
 922         {
 923                 client->csqcentityframehistory[i].num = 0;
 924                 client->csqcentityframehistory[i].framenum = -1;
 925         }
 926         client->csqcnumedicts = 0;
 927         client->csqcentityframehistory_next = 0;
 928
 929         SZ_Clear (&client->netconnection->message);
 930         MSG_WriteByte (&client->netconnection->message, svc_print);
 931         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)\n", gamename, buildstring, prog->filecrc);
 932         MSG_WriteString (&client->netconnection->message,message);
 933
 934         SV_StopDemoRecording(client); // to split up demos into different files
 935         if(sv_autodemo_perclient.integer && client->netconnection)
 936         {
 937                 char demofile[MAX_OSPATH];
 938                 char ipaddress[MAX_QPATH];
 939                 size_t i;
 940
 941                 // start a new demo file
 942                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
 943                 for(i = 0; ipaddress[i]; ++i)
 944                         if(!isalnum(ipaddress[i]))
 945                                 ipaddress[i] = '-';
 946                 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);
 947
 948                 SV_StartDemoRecording(client, demofile, -1);
 949         }
 950
 951         //[515]: init csprogs according to version of svprogs, check the crc, etc.
 952         if (sv.csqc_progname[0])
 953         {
 954                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
 955                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 956                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progname %s\n", sv.csqc_progname));
 957                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 958                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progsize %i\n", sv.csqc_progsize));
 959                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 960                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progcrc %i\n", sv.csqc_progcrc));
 961
 962                 if(client->sv_demo_file != NULL)
 963                 {
 964                         int i;
 965                         static char buf[NET_MAXMESSAGE];
 966                         sizebuf_t sb;
 967
 968                         sb.data = (unsigned char *) buf;
 969                         sb.maxsize = sizeof(buf);
 970                         i = 0;
 971                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, i++, &sb, sv.protocol))
 972                                 SV_WriteDemoMessage(client, &sb, false);
 973                 }
 974
 975                 //[515]: init stufftext string (it is sent before svc_serverinfo)
 976                 if (PRVM_GetString(prog, PRVM_serverglobalstring(SV_InitCmd)))
 977                 {
 978                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 979                         MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "%s\n", PRVM_GetString(prog, PRVM_serverglobalstring(SV_InitCmd))));
 980                 }
 981         }
 982
 983         //if (sv_allowdownloads.integer)
 984         // always send the info that the server supports the protocol, even if downloads are forbidden
 985         // only because of that, the CSQC exception can work
 986         {
 987                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 988                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
 989         }
 990
 991         // send at this time so it's guaranteed to get executed at the right time
 992         {
 993                 client_t *save;
 994                 save = host_client;
 995                 host_client = client;
 996                 Curl_SendRequirements();
 997                 host_client = save;
 998         }
 999
1000         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
1001         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
1002         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
1003
1004         if (!coop.integer && deathmatch.integer)
1005                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
1006         else
1007                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
1008
1009         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog, PRVM_serveredictstring(prog->edicts, message)));
1010
1011         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
1012                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
1013         MSG_WriteByte (&client->netconnection->message, 0);
1014
1015         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
1016                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
1017         MSG_WriteByte (&client->netconnection->message, 0);
1018
1019 // send music
1020         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
1021         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
1022         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
1023
1024 // set view
1025 // store this in clientcamera, too
1026         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
1027         MSG_WriteByte (&client->netconnection->message, svc_setview);
1028         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
1029
1030         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
1031         MSG_WriteByte (&client->netconnection->message, 1);
1032
1033         client->spawned = false;                // need prespawn, spawn, etc
1034         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
1035
1036         // clear movement info until client enters the new level properly
1037         memset(&client->cmd, 0, sizeof(client->cmd));
1038         client->movesequence = 0;
1039         client->movement_highestsequence_seen = 0;
1040         memset(&client->movement_count, 0, sizeof(client->movement_count));
1041 #ifdef NUM_PING_TIMES
1042         for (i = 0;i < NUM_PING_TIMES;i++)
1043                 client->ping_times[i] = 0;
1044         client->num_pings = 0;
1045 #endif
1046         client->ping = 0;
1047
1048         // allow the client some time to send his keepalives, even if map loading took ages
1049         client->netconnection->timeout = realtime + net_connecttimeout.value;
1050 }
1051
1052 /*
1053 ================
1054 SV_ConnectClient
1055
1056 Initializes a client_t for a new net connection.  This will only be called
1057 once for a player each game, not once for each level change.
1058 ================
1059 */
1060 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
1061 {
1062         prvm_prog_t *prog = SVVM_prog;
1063         client_t                *client;
1064         int                             i;
1065
1066         client = svs.clients + clientnum;
1067
1068 // set up the client_t
1069         if (sv.loadgame)
1070         {
1071                 float backupparms[NUM_SPAWN_PARMS];
1072                 memcpy(backupparms, client->spawn_parms, sizeof(backupparms));
1073                 memset(client, 0, sizeof(*client));
1074                 memcpy(client->spawn_parms, backupparms, sizeof(backupparms));
1075         }
1076         else
1077                 memset(client, 0, sizeof(*client));
1078         client->active = true;
1079         client->netconnection = netconnection;
1080
1081         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
1082
1083         if(client->netconnection && client->netconnection->crypto.authenticated)
1084         {
1085                 Con_Printf("%s connection to %s has been established: client is %s@%.*s, I am %.*s@%.*s\n",
1086                                 client->netconnection->crypto.use_aes ? "Encrypted" : "Authenticated",
1087                                 client->netconnection->address,
1088                                 client->netconnection->crypto.client_idfp[0] ? client->netconnection->crypto.client_idfp : "-",
1089                                 crypto_keyfp_recommended_length, client->netconnection->crypto.client_keyfp[0] ? client->netconnection->crypto.client_keyfp : "-",
1090                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_idfp[0] ? client->netconnection->crypto.server_idfp : "-",
1091                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_keyfp[0] ? client->netconnection->crypto.server_keyfp : "-"
1092                                 );
1093         }
1094
1095         strlcpy(client->name, "unconnected", sizeof(client->name));
1096         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
1097         client->spawned = false;
1098         client->edict = PRVM_EDICT_NUM(clientnum+1);
1099         if (client->netconnection)
1100                 client->netconnection->message.allowoverflow = true;            // we can catch it
1101         // prepare the unreliable message buffer
1102         client->unreliablemsg.data = client->unreliablemsg_data;
1103         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
1104         // updated by receiving "rate" command from client, this is also the default if not using a DP client
1105         client->rate = 1000000000;
1106         // no limits for local player
1107         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
1108                 client->rate = 1000000000;
1109         client->connecttime = realtime;
1110
1111         if (!sv.loadgame)
1112         {
1113                 // call the progs to get default spawn parms for the new client
1114                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
1115                 PRVM_serverglobalfloat(time) = sv.time;
1116                 PRVM_serverglobaledict(self) = 0;
1117                 prog->ExecuteProgram(prog, PRVM_serverfunction(SetNewParms), "QC function SetNewParms is missing");
1118                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1119                         client->spawn_parms[i] = (&PRVM_serverglobalfloat(parm1))[i];
1120
1121                 // set up the entity for this client (including .colormap, .team, etc)
1122                 PRVM_ED_ClearEdict(prog, client->edict);
1123         }
1124
1125         // don't call SendServerinfo for a fresh botclient because its fields have
1126         // not been set up by the qc yet
1127         if (client->netconnection)
1128                 SV_SendServerinfo (client);
1129         else
1130                 client->spawned = true;
1131 }
1132
1133
1134 /*
1135 ===============================================================================
1136
1137 FRAME UPDATES
1138
1139 ===============================================================================
1140 */
1141
1142 /*
1143 =============================================================================
1144
1145 The PVS must include a small area around the client to allow head bobbing
1146 or other small motion on the client side.  Otherwise, a bob might cause an
1147 entity that should be visible to not show up, especially when the bob
1148 crosses a waterline.
1149
1150 =============================================================================
1151 */
1152
1153 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1154 {
1155         prvm_prog_t *prog = SVVM_prog;
1156         int i;
1157         unsigned int sendflags;
1158         unsigned int version;
1159         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1160         unsigned int customizeentityforclient;
1161         unsigned int sendentity;
1162         float f;
1163         float *v;
1164         vec3_t cullmins, cullmaxs;
1165         dp_model_t *model;
1166
1167         // fast path for games that do not use legacy entity networking
1168         // note: still networks clients even if they are legacy
1169         sendentity = PRVM_serveredictfunction(ent, SendEntity);
1170         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1171                 return false;
1172
1173         // this 2 billion unit check is actually to detect NAN origins
1174         // (we really don't want to send those)
1175         if (!(VectorLength2(PRVM_serveredictvector(ent, origin)) < 2000000000.0*2000000000.0))
1176                 return false;
1177
1178         // EF_NODRAW prevents sending for any reason except for your own
1179         // client, so we must keep all clients in this superset
1180         effects = (unsigned)PRVM_serveredictfloat(ent, effects);
1181
1182         // we can omit invisible entities with no effects that are not clients
1183         // LordHavoc: this could kill tags attached to an invisible entity, I
1184         // just hope we never have to support that case
1185         i = (int)PRVM_serveredictfloat(ent, modelindex);
1186         modelindex = (i >= 1 && i < MAX_MODELS && PRVM_serveredictstring(ent, model) && *PRVM_GetString(prog, PRVM_serveredictstring(ent, model)) && sv.models[i]) ? i : 0;
1187
1188         flags = 0;
1189         i = (int)(PRVM_serveredictfloat(ent, glow_size) * 0.25f);
1190         glowsize = (unsigned char)bound(0, i, 255);
1191         if (PRVM_serveredictfloat(ent, glow_trail))
1192                 flags |= RENDER_GLOWTRAIL;
1193         if (PRVM_serveredictedict(ent, viewmodelforclient))
1194                 flags |= RENDER_VIEWMODEL;
1195
1196         v = PRVM_serveredictvector(ent, color);
1197         f = v[0]*256;
1198         light[0] = (unsigned short)bound(0, f, 65535);
1199         f = v[1]*256;
1200         light[1] = (unsigned short)bound(0, f, 65535);
1201         f = v[2]*256;
1202         light[2] = (unsigned short)bound(0, f, 65535);
1203         f = PRVM_serveredictfloat(ent, light_lev);
1204         light[3] = (unsigned short)bound(0, f, 65535);
1205         lightstyle = (unsigned char)PRVM_serveredictfloat(ent, style);
1206         lightpflags = (unsigned char)PRVM_serveredictfloat(ent, pflags);
1207
1208         if (gamemode == GAME_TENEBRAE)
1209         {
1210                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1211                 if (effects & 16)
1212                 {
1213                         effects &= ~16;
1214                         lightpflags |= PFLAGS_FULLDYNAMIC;
1215                 }
1216                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1217                 if (effects & 32)
1218                 {
1219                         effects &= ~32;
1220                         light[0] = (int)(0.2*256);
1221                         light[1] = (int)(1.0*256);
1222                         light[2] = (int)(0.2*256);
1223                         light[3] = 200;
1224                         lightpflags |= PFLAGS_FULLDYNAMIC;
1225                 }
1226         }
1227
1228         specialvisibilityradius = 0;
1229         if (lightpflags & PFLAGS_FULLDYNAMIC)
1230                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1231         if (glowsize)
1232                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1233         if (flags & RENDER_GLOWTRAIL)
1234                 specialvisibilityradius = max(specialvisibilityradius, 100);
1235         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1236         {
1237                 if (effects & EF_BRIGHTFIELD)
1238                         specialvisibilityradius = max(specialvisibilityradius, 80);
1239                 if (effects & EF_MUZZLEFLASH)
1240                         specialvisibilityradius = max(specialvisibilityradius, 100);
1241                 if (effects & EF_BRIGHTLIGHT)
1242                         specialvisibilityradius = max(specialvisibilityradius, 400);
1243                 if (effects & EF_DIMLIGHT)
1244                         specialvisibilityradius = max(specialvisibilityradius, 200);
1245                 if (effects & EF_RED)
1246                         specialvisibilityradius = max(specialvisibilityradius, 200);
1247                 if (effects & EF_BLUE)
1248                         specialvisibilityradius = max(specialvisibilityradius, 200);
1249                 if (effects & EF_FLAME)
1250                         specialvisibilityradius = max(specialvisibilityradius, 250);
1251                 if (effects & EF_STARDUST)
1252                         specialvisibilityradius = max(specialvisibilityradius, 100);
1253         }
1254
1255         // early culling checks
1256         // (final culling is done by SV_MarkWriteEntityStateToClient)
1257         customizeentityforclient = PRVM_serveredictfunction(ent, customizeentityforclient);
1258         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1259                 return false;
1260
1261         *cs = defaultstate;
1262         cs->active = ACTIVE_NETWORK;
1263         cs->number = enumber;
1264         VectorCopy(PRVM_serveredictvector(ent, origin), cs->origin);
1265         VectorCopy(PRVM_serveredictvector(ent, angles), cs->angles);
1266         cs->flags = flags;
1267         cs->effects = effects;
1268         cs->colormap = (unsigned)PRVM_serveredictfloat(ent, colormap);
1269         cs->modelindex = modelindex;
1270         cs->skin = (unsigned)PRVM_serveredictfloat(ent, skin);
1271         cs->frame = (unsigned)PRVM_serveredictfloat(ent, frame);
1272         cs->viewmodelforclient = PRVM_serveredictedict(ent, viewmodelforclient);
1273         cs->exteriormodelforclient = PRVM_serveredictedict(ent, exteriormodeltoclient);
1274         cs->nodrawtoclient = PRVM_serveredictedict(ent, nodrawtoclient);
1275         cs->drawonlytoclient = PRVM_serveredictedict(ent, drawonlytoclient);
1276         cs->customizeentityforclient = customizeentityforclient;
1277         cs->tagentity = PRVM_serveredictedict(ent, tag_entity);
1278         cs->tagindex = (unsigned char)PRVM_serveredictfloat(ent, tag_index);
1279         cs->glowsize = glowsize;
1280         cs->traileffectnum = PRVM_serveredictfloat(ent, traileffectnum);
1281
1282         // don't need to init cs->colormod because the defaultstate did that for us
1283         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1284         v = PRVM_serveredictvector(ent, colormod);
1285         if (VectorLength2(v))
1286         {
1287                 i = (int)(v[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1288                 i = (int)(v[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1289                 i = (int)(v[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1290         }
1291
1292         // don't need to init cs->glowmod because the defaultstate did that for us
1293         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1294         v = PRVM_serveredictvector(ent, glowmod);
1295         if (VectorLength2(v))
1296         {
1297                 i = (int)(v[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1298                 i = (int)(v[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1299                 i = (int)(v[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1300         }
1301
1302         cs->modelindex = modelindex;
1303
1304         cs->alpha = 255;
1305         f = (PRVM_serveredictfloat(ent, alpha) * 255.0f);
1306         if (f)
1307         {
1308                 i = (int)f;
1309                 cs->alpha = (unsigned char)bound(0, i, 255);
1310         }
1311         // halflife
1312         f = (PRVM_serveredictfloat(ent, renderamt));
1313         if (f)
1314         {
1315                 i = (int)f;
1316                 cs->alpha = (unsigned char)bound(0, i, 255);
1317         }
1318
1319         cs->scale = 16;
1320         f = (PRVM_serveredictfloat(ent, scale) * 16.0f);
1321         if (f)
1322         {
1323                 i = (int)f;
1324                 cs->scale = (unsigned char)bound(0, i, 255);
1325         }
1326
1327         cs->glowcolor = 254;
1328         f = PRVM_serveredictfloat(ent, glow_color);
1329         if (f)
1330                 cs->glowcolor = (int)f;
1331
1332         if (PRVM_serveredictfloat(ent, fullbright))
1333                 cs->effects |= EF_FULLBRIGHT;
1334
1335         f = PRVM_serveredictfloat(ent, modelflags);
1336         if (f)
1337                 cs->effects |= ((unsigned int)f & 0xff) << 24;
1338
1339         if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
1340                 cs->flags |= RENDER_STEP;
1341         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)
1342                 cs->flags |= RENDER_LOWPRECISION;
1343         if (PRVM_serveredictfloat(ent, colormap) >= 1024)
1344                 cs->flags |= RENDER_COLORMAPPED;
1345         if (cs->viewmodelforclient)
1346                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1347
1348         if (PRVM_serveredictfloat(ent, sendcomplexanimation))
1349         {
1350                 cs->flags |= RENDER_COMPLEXANIMATION;
1351                 if (PRVM_serveredictfloat(ent, skeletonindex) >= 1)
1352                         cs->skeletonobject = ent->priv.server->skeleton;
1353                 cs->framegroupblend[0].frame = PRVM_serveredictfloat(ent, frame);
1354                 cs->framegroupblend[1].frame = PRVM_serveredictfloat(ent, frame2);
1355                 cs->framegroupblend[2].frame = PRVM_serveredictfloat(ent, frame3);
1356                 cs->framegroupblend[3].frame = PRVM_serveredictfloat(ent, frame4);
1357                 cs->framegroupblend[0].start = PRVM_serveredictfloat(ent, frame1time);
1358                 cs->framegroupblend[1].start = PRVM_serveredictfloat(ent, frame2time);
1359                 cs->framegroupblend[2].start = PRVM_serveredictfloat(ent, frame3time);
1360                 cs->framegroupblend[3].start = PRVM_serveredictfloat(ent, frame4time);
1361                 cs->framegroupblend[1].lerp = PRVM_serveredictfloat(ent, lerpfrac);
1362                 cs->framegroupblend[2].lerp = PRVM_serveredictfloat(ent, lerpfrac3);
1363                 cs->framegroupblend[3].lerp = PRVM_serveredictfloat(ent, lerpfrac4);
1364                 cs->framegroupblend[0].lerp = 1.0f - cs->framegroupblend[1].lerp - cs->framegroupblend[2].lerp - cs->framegroupblend[3].lerp;
1365                 cs->frame = 0; // don't need the legacy frame
1366         }
1367
1368         cs->light[0] = light[0];
1369         cs->light[1] = light[1];
1370         cs->light[2] = light[2];
1371         cs->light[3] = light[3];
1372         cs->lightstyle = lightstyle;
1373         cs->lightpflags = lightpflags;
1374
1375         cs->specialvisibilityradius = specialvisibilityradius;
1376
1377         // calculate the visible box of this entity (don't use the physics box
1378         // as that is often smaller than a model, and would not count
1379         // specialvisibilityradius)
1380         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1381         {
1382                 float scale = cs->scale * (1.0f / 16.0f);
1383                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1384                 {
1385                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1386                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1387                 }
1388                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1389                 {
1390                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1391                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1392                 }
1393                 else
1394                 {
1395                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1396                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1397                 }
1398         }
1399         else
1400         {
1401                 // if there is no model (or it could not be loaded), use the physics box
1402                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, mins), cullmins);
1403                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, maxs), cullmaxs);
1404         }
1405         if (specialvisibilityradius)
1406         {
1407                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1408                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1409                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1410                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1411                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1412                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1413         }
1414
1415         // calculate center of bbox for network prioritization purposes
1416         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1417
1418         // if culling box has moved, update pvs cluster links
1419         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1420         {
1421                 VectorCopy(cullmins, ent->priv.server->cullmins);
1422                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1423                 // a value of -1 for pvs_numclusters indicates that the links are not
1424                 // cached, and should be re-tested each time, this is the case if the
1425                 // culling box touches too many pvs clusters to store, or if the world
1426                 // model does not support FindBoxClusters
1427                 ent->priv.server->pvs_numclusters = -1;
1428                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1429                 {
1430                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1431                         if (i <= MAX_ENTITYCLUSTERS)
1432                                 ent->priv.server->pvs_numclusters = i;
1433                 }
1434         }
1435
1436         // we need to do some csqc entity upkeep here
1437         // get self.SendFlags and clear them
1438         // (to let the QC know that they've been read)
1439         if (sendentity)
1440         {
1441                 sendflags = (unsigned int)PRVM_serveredictfloat(ent, SendFlags);
1442                 PRVM_serveredictfloat(ent, SendFlags) = 0;
1443                 // legacy self.Version system
1444                 if ((version = (unsigned int)PRVM_serveredictfloat(ent, Version)))
1445                 {
1446                         if (sv.csqcentityversion[enumber] != version)
1447                                 sendflags = 0xFFFFFF;
1448                         sv.csqcentityversion[enumber] = version;
1449                 }
1450                 // move sendflags into the per-client sendflags
1451                 if (sendflags)
1452                         for (i = 0;i < svs.maxclients;i++)
1453                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1454                 // mark it as inactive for non-csqc networking
1455                 cs->active = ACTIVE_SHARED;
1456         }
1457
1458         return true;
1459 }
1460
1461 static void SV_PrepareEntitiesForSending(void)
1462 {
1463         prvm_prog_t *prog = SVVM_prog;
1464         int e;
1465         prvm_edict_t *ent;
1466         // send all entities that touch the pvs
1467         sv.numsendentities = 0;
1468         sv.sendentitiesindex[0] = NULL;
1469         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1470         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1471         {
1472                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1473                 {
1474                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1475                         sv.numsendentities++;
1476                 }
1477         }
1478 }
1479
1480 #define MAX_LINEOFSIGHTTRACES 64
1481
1482 qboolean SV_CanSeeBox(int numtraces, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1483 {
1484         prvm_prog_t *prog = SVVM_prog;
1485         float pitchsign;
1486         float alpha;
1487         float starttransformed[3], endtransformed[3];
1488         int blocked = 0;
1489         int traceindex;
1490         int originalnumtouchedicts;
1491         int numtouchedicts = 0;
1492         int touchindex;
1493         matrix4x4_t matrix, imatrix;
1494         dp_model_t *model;
1495         prvm_edict_t *touch;
1496         static prvm_edict_t *touchedicts[MAX_EDICTS];
1497         vec3_t boxmins, boxmaxs;
1498         vec3_t clipboxmins, clipboxmaxs;
1499         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1500
1501         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1502
1503         // expand the box a little
1504         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
1505         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
1506         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
1507         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
1508         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
1509         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
1510
1511         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1512         for (traceindex = 1;traceindex < numtraces;traceindex++)
1513                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1514
1515         // calculate sweep box for the entire swarm of traces
1516         VectorCopy(eye, clipboxmins);
1517         VectorCopy(eye, clipboxmaxs);
1518         for (traceindex = 0;traceindex < numtraces;traceindex++)
1519         {
1520                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1521                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1522                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1523                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1524                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1525                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1526         }
1527
1528         // get the list of entities in the sweep box
1529         if (sv_cullentities_trace_entityocclusion.integer)
1530                 numtouchedicts = SV_EntitiesInBox(clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1531         if (numtouchedicts > MAX_EDICTS)
1532         {
1533                 // this never happens
1534                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1535                 numtouchedicts = MAX_EDICTS;
1536         }
1537         // iterate the entities found in the sweep box and filter them
1538         originalnumtouchedicts = numtouchedicts;
1539         numtouchedicts = 0;
1540         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1541         {
1542                 touch = touchedicts[touchindex];
1543                 if (PRVM_serveredictfloat(touch, solid) != SOLID_BSP)
1544                         continue;
1545                 model = SV_GetModelFromEdict(touch);
1546                 if (!model || !model->brush.TraceLineOfSight)
1547                         continue;
1548                 // skip obviously transparent entities
1549                 alpha = PRVM_serveredictfloat(touch, alpha);
1550                 if (alpha && alpha < 1)
1551                         continue;
1552                 if ((int)PRVM_serveredictfloat(touch, effects) & EF_ADDITIVE)
1553                         continue;
1554                 touchedicts[numtouchedicts++] = touch;
1555         }
1556
1557         // now that we have a filtered list of "interesting" entities, fire each
1558         // ray against all of them, this gives us an early-out case when something
1559         // is visible (which it often is)
1560
1561         for (traceindex = 0;traceindex < numtraces;traceindex++)
1562         {
1563                 // check world occlusion
1564                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1565                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, eye, endpoints[traceindex]))
1566                                 continue;
1567                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1568                 {
1569                         touch = touchedicts[touchindex];
1570                         model = SV_GetModelFromEdict(touch);
1571                         if(model && model->brush.TraceLineOfSight)
1572                         {
1573                                 // get the entity matrix
1574                                 pitchsign = SV_GetPitchSign(prog, touch);
1575                                 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);
1576                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1577                                 // see if the ray hits this entity
1578                                 Matrix4x4_Transform(&imatrix, eye, starttransformed);
1579                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1580                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed))
1581                                 {
1582                                         blocked++;
1583                                         break;
1584                                 }
1585                         }
1586                 }
1587                 // check if the ray was blocked
1588                 if (touchindex < numtouchedicts)
1589                         continue;
1590                 // return if the ray was not blocked
1591                 return true;
1592         }
1593
1594         // no rays survived
1595         return false;
1596 }
1597
1598 static void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1599 {
1600         prvm_prog_t *prog = SVVM_prog;
1601         int isbmodel;
1602         dp_model_t *model;
1603         prvm_edict_t *ed;
1604         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1605                 return;
1606         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1607         sv.writeentitiestoclient_stats_totalentities++;
1608
1609         if (s->customizeentityforclient)
1610         {
1611                 PRVM_serverglobalfloat(time) = sv.time;
1612                 PRVM_serverglobaledict(self) = s->number;
1613                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1614                 prog->ExecuteProgram(prog, s->customizeentityforclient, "customizeentityforclient: NULL function");
1615                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1616                         return;
1617         }
1618
1619         // never reject player
1620         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1621         {
1622                 // check various rejection conditions
1623                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1624                         return;
1625                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1626                         return;
1627                 if (s->effects & EF_NODRAW)
1628                         return;
1629                 // LordHavoc: only send entities with a model or important effects
1630                 if (!s->modelindex && s->specialvisibilityradius == 0)
1631                         return;
1632
1633                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1634                 // viewmodels don't have visibility checking
1635                 if (s->viewmodelforclient)
1636                 {
1637                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1638                                 return;
1639                 }
1640                 else if (s->tagentity)
1641                 {
1642                         // tag attached entities simply check their parent
1643                         if (!sv.sendentitiesindex[s->tagentity])
1644                                 return;
1645                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1646                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1647                                 return;
1648                 }
1649                 // always send world submodels in newer protocols because they don't
1650                 // generate much traffic (in old protocols they hog bandwidth)
1651                 // but only if sv_cullentities_nevercullbmodels is off
1652                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1653                 {
1654                         // entity has survived every check so far, check if visible
1655                         ed = PRVM_EDICT_NUM(s->number);
1656
1657                         // if not touching a visible leaf
1658                         if (sv_cullentities_pvs.integer && !r_novis.integer && !r_trippy.integer && sv.writeentitiestoclient_pvsbytes)
1659                         {
1660                                 if (ed->priv.server->pvs_numclusters < 0)
1661                                 {
1662                                         // entity too big for clusters list
1663                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1664                                         {
1665                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1666                                                 return;
1667                                         }
1668                                 }
1669                                 else
1670                                 {
1671                                         int i;
1672                                         // check cached clusters list
1673                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1674                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1675                                                         break;
1676                                         if (i == ed->priv.server->pvs_numclusters)
1677                                         {
1678                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1679                                                 return;
1680                                         }
1681                                 }
1682                         }
1683
1684                         // or not seen by random tracelines
1685                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel->brush.TraceLineOfSight && !r_trippy.integer)
1686                         {
1687                                 int samples =
1688                                         s->number <= svs.maxclients
1689                                                 ? sv_cullentities_trace_samples_players.integer
1690                                                 :
1691                                         s->specialvisibilityradius
1692                                                 ? sv_cullentities_trace_samples_extra.integer
1693                                                 : sv_cullentities_trace_samples.integer;
1694                                 float enlarge = sv_cullentities_trace_enlarge.value;
1695
1696                                 if(samples > 0)
1697                                 {
1698                                         int eyeindex;
1699                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1700                                                 if(SV_CanSeeBox(samples, enlarge, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1701                                                         break;
1702                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1703                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1704                                                         realtime + (
1705                                                                 s->number <= svs.maxclients
1706                                                                         ? sv_cullentities_trace_delay_players.value
1707                                                                         : sv_cullentities_trace_delay.value
1708                                                         );
1709                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1710                                         {
1711                                                 sv.writeentitiestoclient_stats_culled_trace++;
1712                                                 return;
1713                                         }
1714                                 }
1715                         }
1716                 }
1717         }
1718
1719         // this just marks it for sending
1720         // FIXME: it would be more efficient to send here, but the entity
1721         // compressor isn't that flexible
1722         sv.writeentitiestoclient_stats_visibleentities++;
1723         sv.sententities[s->number] = sv.sententitiesmark;
1724 }
1725
1726 #if MAX_LEVELNETWORKEYES > 0
1727 #define MAX_EYE_RECURSION 1 // increase if recursion gets supported by portals
1728 static void SV_AddCameraEyes(void)
1729 {
1730         prvm_prog_t *prog = SVVM_prog;
1731         int e, i, j, k;
1732         prvm_edict_t *ed;
1733         static int cameras[MAX_LEVELNETWORKEYES];
1734         static vec3_t camera_origins[MAX_LEVELNETWORKEYES];
1735         static int eye_levels[MAX_CLIENTNETWORKEYES];
1736         int n_cameras = 0;
1737         vec3_t mi, ma;
1738
1739         for(i = 0; i < sv.writeentitiestoclient_numeyes; ++i)
1740                 eye_levels[i] = 0;
1741
1742         // check line of sight to portal entities and add them to PVS
1743         for (e = 1, ed = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ed = PRVM_NEXT_EDICT(ed))
1744         {
1745                 if (!ed->priv.server->free)
1746                 {
1747                         if(PRVM_serveredictfunction(ed, camera_transform))
1748                         {
1749                                 PRVM_serverglobalfloat(time) = sv.time;
1750                                 PRVM_serverglobaledict(self) = e;
1751                                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1752                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_serverglobalvector(trace_endpos));
1753                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_G_VECTOR(OFS_PARM0));
1754                                 VectorClear(PRVM_G_VECTOR(OFS_PARM1));
1755                                 prog->ExecuteProgram(prog, PRVM_serveredictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1756                                 if(!VectorCompare(PRVM_serverglobalvector(trace_endpos), sv.writeentitiestoclient_eyes[0]))
1757                                 {
1758                                         VectorCopy(PRVM_serverglobalvector(trace_endpos), camera_origins[n_cameras]);
1759                                         cameras[n_cameras] = e;
1760                                         ++n_cameras;
1761                                         if(n_cameras >= MAX_LEVELNETWORKEYES)
1762                                                 break;
1763                                 }
1764                         }
1765                 }
1766         }
1767
1768         if(!n_cameras)
1769                 return;
1770
1771         // i is loop counter, is reset to 0 when an eye got added
1772         // j is camera index to check
1773         for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras)
1774         {
1775                 if(!cameras[j])
1776                         continue;
1777                 ed = PRVM_EDICT_NUM(cameras[j]);
1778                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, mins), mi);
1779                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, maxs), ma);
1780                 for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k)
1781                 if(eye_levels[k] <= MAX_EYE_RECURSION)
1782                 {
1783                         if(SV_CanSeeBox(sv_cullentities_trace_samples.integer, sv_cullentities_trace_enlarge.value, sv.writeentitiestoclient_eyes[k], mi, ma))
1784                         {
1785                                 eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1;
1786                                 VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1787                                 // 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);
1788                                 sv.writeentitiestoclient_numeyes++;
1789                                 cameras[j] = 0;
1790                                 i = 0;
1791                                 break;
1792                         }
1793                 }
1794         }
1795 }
1796 #else
1797 void SV_AddCameraEyes(void)
1798 {
1799 }
1800 #endif
1801
1802 static void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1803 {
1804         prvm_prog_t *prog = SVVM_prog;
1805         qboolean need_empty = false;
1806         int i, numsendstates, numcsqcsendstates;
1807         entity_state_t *s;
1808         prvm_edict_t *camera;
1809         qboolean success;
1810         vec3_t eye;
1811
1812         // if there isn't enough space to accomplish anything, skip it
1813         if (msg->cursize + 25 > maxsize)
1814                 return;
1815
1816         sv.writeentitiestoclient_msg = msg;
1817         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1818
1819         sv.writeentitiestoclient_stats_culled_pvs = 0;
1820         sv.writeentitiestoclient_stats_culled_trace = 0;
1821         sv.writeentitiestoclient_stats_visibleentities = 0;
1822         sv.writeentitiestoclient_stats_totalentities = 0;
1823         sv.writeentitiestoclient_numeyes = 0;
1824
1825         // get eye location
1826         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1827         camera = PRVM_EDICT_NUM( client->clientcamera );
1828         VectorAdd(PRVM_serveredictvector(camera, origin), PRVM_serveredictvector(clent, view_ofs), eye);
1829         sv.writeentitiestoclient_pvsbytes = 0;
1830         // get the PVS values for the eye location, later FatPVS calls will merge
1831         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1832                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1833
1834         // add the eye to a list for SV_CanSeeBox tests
1835         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1836         sv.writeentitiestoclient_numeyes++;
1837
1838         // calculate predicted eye origin for SV_CanSeeBox tests
1839         if (sv_cullentities_trace_prediction.integer)
1840         {
1841                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1842                 vec3_t predeye;
1843                 VectorMA(eye, predtime, PRVM_serveredictvector(camera, velocity), predeye);
1844                 if (SV_CanSeeBox(1, 0, eye, predeye, predeye))
1845                 {
1846                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1847                         sv.writeentitiestoclient_numeyes++;
1848                 }
1849                 //if (!sv.writeentitiestoclient_useprediction)
1850                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1851         }
1852
1853         SV_AddCameraEyes();
1854
1855         // build PVS from the new eyes
1856         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1857                 for(i = 1; i < sv.writeentitiestoclient_numeyes; ++i)
1858                         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);
1859
1860         sv.sententitiesmark++;
1861
1862         for (i = 0;i < sv.numsendentities;i++)
1863                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1864
1865         numsendstates = 0;
1866         numcsqcsendstates = 0;
1867         for (i = 0;i < sv.numsendentities;i++)
1868         {
1869                 s = &sv.sendentities[i];
1870                 if (sv.sententities[s->number] == sv.sententitiesmark)
1871                 {
1872                         if(s->active == ACTIVE_NETWORK)
1873                         {
1874                                 if (s->exteriormodelforclient)
1875                                 {
1876                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1877                                                 s->flags |= RENDER_EXTERIORMODEL;
1878                                         else
1879                                                 s->flags &= ~RENDER_EXTERIORMODEL;
1880                                 }
1881                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
1882                         }
1883                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1884                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
1885                         else
1886                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
1887                 }
1888         }
1889
1890         if (sv_cullentities_stats.integer)
1891                 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);
1892
1893         if(client->entitydatabase5)
1894                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1895         else
1896                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1897
1898         if(client->num_skippedentityframes >= 10)
1899                 need_empty = true; // force every 10th frame to be not empty (or cl_movement replay takes too long)
1900
1901         if (client->entitydatabase5)
1902                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1903         else if (client->entitydatabase4)
1904         {
1905                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1906                 Protocol_WriteStatsReliable();
1907         }
1908         else if (client->entitydatabase)
1909         {
1910                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1911                 Protocol_WriteStatsReliable();
1912         }
1913         else
1914         {
1915                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1916                 Protocol_WriteStatsReliable();
1917         }
1918
1919         if(success)
1920                 client->num_skippedentityframes = 0;
1921         else
1922                 ++client->num_skippedentityframes;
1923 }
1924
1925 /*
1926 =============
1927 SV_CleanupEnts
1928
1929 =============
1930 */
1931 static void SV_CleanupEnts (void)
1932 {
1933         prvm_prog_t *prog = SVVM_prog;
1934         int             e;
1935         prvm_edict_t    *ent;
1936
1937         ent = PRVM_NEXT_EDICT(prog->edicts);
1938         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1939                 PRVM_serveredictfloat(ent, effects) = (int)PRVM_serveredictfloat(ent, effects) & ~EF_MUZZLEFLASH;
1940 }
1941
1942 /*
1943 ==================
1944 SV_WriteClientdataToMessage
1945
1946 ==================
1947 */
1948 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1949 {
1950         prvm_prog_t *prog = SVVM_prog;
1951         int             bits;
1952         int             i;
1953         prvm_edict_t    *other;
1954         int             items;
1955         vec3_t  punchvector;
1956         int             viewzoom;
1957         const char *s;
1958         float   *statsf = (float *)stats;
1959         float gravity;
1960
1961 //
1962 // send a damage message
1963 //
1964         if (PRVM_serveredictfloat(ent, dmg_take) || PRVM_serveredictfloat(ent, dmg_save))
1965         {
1966                 other = PRVM_PROG_TO_EDICT(PRVM_serveredictedict(ent, dmg_inflictor));
1967                 MSG_WriteByte (msg, svc_damage);
1968                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_save));
1969                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_take));
1970                 for (i=0 ; i<3 ; i++)
1971                         MSG_WriteCoord (msg, PRVM_serveredictvector(other, origin)[i] + 0.5*(PRVM_serveredictvector(other, mins)[i] + PRVM_serveredictvector(other, maxs)[i]), sv.protocol);
1972
1973                 PRVM_serveredictfloat(ent, dmg_take) = 0;
1974                 PRVM_serveredictfloat(ent, dmg_save) = 0;
1975         }
1976
1977 //
1978 // send the current viewpos offset from the view entity
1979 //
1980         SV_SetIdealPitch ();            // how much to look up / down ideally
1981
1982 // a fixangle might get lost in a dropped packet.  Oh well.
1983         if(PRVM_serveredictfloat(ent, fixangle))
1984         {
1985                 // angle fixing was requested by global thinking code...
1986                 // so store the current angles for later use
1987                 memcpy(host_client->fixangle_angles, PRVM_serveredictvector(ent, angles), sizeof(host_client->fixangle_angles));
1988                 host_client->fixangle_angles_set = TRUE;
1989
1990                 // and clear fixangle for the next frame
1991                 PRVM_serveredictfloat(ent, fixangle) = 0;
1992         }
1993
1994         if (host_client->fixangle_angles_set)
1995         {
1996                 MSG_WriteByte (msg, svc_setangle);
1997                 for (i=0 ; i < 3 ; i++)
1998                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
1999                 host_client->fixangle_angles_set = FALSE;
2000         }
2001
2002         // stuff the sigil bits into the high bits of items for sbar, or else
2003         // mix in items2
2004         // LordHavoc: detecting items2 turned out to be tricky, check if the field
2005         // was forcefully declared, we want to override serverflags if it was
2006         // declared by the qc intentionally, but not if we added it in the engine.
2007         if (prog->fieldoffsets.items2 < (int)(prog->numfielddefs - SV_REQGLOBALS))
2008                 items = (int)PRVM_serveredictfloat(ent, items) | ((int)PRVM_serveredictfloat(ent, items2) << 23);
2009         else
2010                 items = (int)PRVM_serveredictfloat(ent, items) | ((int)PRVM_serverglobalfloat(serverflags) << 28);
2011
2012         VectorCopy(PRVM_serveredictvector(ent, punchvector), punchvector);
2013
2014         // cache weapon model name and index in client struct to save time
2015         // (this search can be almost 1% of cpu time!)
2016         s = PRVM_GetString(prog, PRVM_serveredictstring(ent, weaponmodel));
2017         if (strcmp(s, client->weaponmodel))
2018         {
2019                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
2020                 client->weaponmodelindex = SV_ModelIndex(s, 1);
2021         }
2022
2023         viewzoom = (int)(PRVM_serveredictfloat(ent, viewzoom) * 255.0f);
2024         if (viewzoom == 0)
2025                 viewzoom = 255;
2026
2027         bits = 0;
2028
2029         if ((int)PRVM_serveredictfloat(ent, flags) & FL_ONGROUND)
2030                 bits |= SU_ONGROUND;
2031         if (PRVM_serveredictfloat(ent, waterlevel) >= 2)
2032                 bits |= SU_INWATER;
2033         if (PRVM_serveredictfloat(ent, idealpitch))
2034                 bits |= SU_IDEALPITCH;
2035
2036         for (i=0 ; i<3 ; i++)
2037         {
2038                 if (PRVM_serveredictvector(ent, punchangle)[i])
2039                         bits |= (SU_PUNCH1<<i);
2040                 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)
2041                         if (punchvector[i])
2042                                 bits |= (SU_PUNCHVEC1<<i);
2043                 if (PRVM_serveredictvector(ent, velocity)[i])
2044                         bits |= (SU_VELOCITY1<<i);
2045         }
2046
2047         gravity = PRVM_serveredictfloat(ent, gravity);if (!gravity) gravity = 1.0f;
2048
2049         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
2050         stats[STAT_VIEWHEIGHT] = (int)PRVM_serveredictvector(ent, view_ofs)[2];
2051         stats[STAT_ITEMS] = items;
2052         stats[STAT_WEAPONFRAME] = (int)PRVM_serveredictfloat(ent, weaponframe);
2053         stats[STAT_ARMOR] = (int)PRVM_serveredictfloat(ent, armorvalue);
2054         stats[STAT_WEAPON] = client->weaponmodelindex;
2055         stats[STAT_HEALTH] = (int)PRVM_serveredictfloat(ent, health);
2056         stats[STAT_AMMO] = (int)PRVM_serveredictfloat(ent, currentammo);
2057         stats[STAT_SHELLS] = (int)PRVM_serveredictfloat(ent, ammo_shells);
2058         stats[STAT_NAILS] = (int)PRVM_serveredictfloat(ent, ammo_nails);
2059         stats[STAT_ROCKETS] = (int)PRVM_serveredictfloat(ent, ammo_rockets);
2060         stats[STAT_CELLS] = (int)PRVM_serveredictfloat(ent, ammo_cells);
2061         stats[STAT_ACTIVEWEAPON] = (int)PRVM_serveredictfloat(ent, weapon);
2062         stats[STAT_VIEWZOOM] = viewzoom;
2063         stats[STAT_TOTALSECRETS] = (int)PRVM_serverglobalfloat(total_secrets);
2064         stats[STAT_TOTALMONSTERS] = (int)PRVM_serverglobalfloat(total_monsters);
2065         // the QC bumps these itself by sending svc_'s, so we have to keep them
2066         // zero or they'll be corrected by the engine
2067         //stats[STAT_SECRETS] = PRVM_serverglobalfloat(found_secrets);
2068         //stats[STAT_MONSTERS] = PRVM_serverglobalfloat(killed_monsters);
2069
2070         // movement settings for prediction
2071         // note: these are not sent in protocols with lower MAX_CL_STATS limits
2072         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
2073                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
2074                 | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0)
2075                 | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0)
2076         ;
2077         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
2078         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
2079         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
2080         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
2081         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
2082         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
2083         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
2084         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
2085         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
2086         statsf[STAT_MOVEVARS_ENTGRAVITY] = gravity;
2087         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
2088         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
2089         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
2090         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
2091         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
2092         statsf[STAT_MOVEVARS_AIRACCEL_QW_STRETCHFACTOR] = sv_airaccel_qw_stretchfactor.value;
2093         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
2094         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
2095         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
2096         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
2097         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
2098         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
2099         statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value;
2100         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
2101         statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value;
2102         statsf[STAT_MOVEVARS_AIRCONTROL_PENALTY] = sv_aircontrol_penalty.value;
2103         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
2104         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
2105         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
2106         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
2107         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
2108         statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW] = sv_airspeedlimit_nonqw.value;
2109         statsf[STAT_FRAGLIMIT] = fraglimit.value;
2110         statsf[STAT_TIMELIMIT] = timelimit.value;
2111
2112         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)
2113         {
2114                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
2115                 bits |= SU_ITEMS;
2116                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
2117                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
2118                 bits |= SU_WEAPON;
2119                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
2120                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2121                         if (viewzoom != 255)
2122                                 bits |= SU_VIEWZOOM;
2123         }
2124
2125         if (bits >= 65536)
2126                 bits |= SU_EXTEND1;
2127         if (bits >= 16777216)
2128                 bits |= SU_EXTEND2;
2129
2130         // send the data
2131         MSG_WriteByte (msg, svc_clientdata);
2132         MSG_WriteShort (msg, bits);
2133         if (bits & SU_EXTEND1)
2134                 MSG_WriteByte(msg, bits >> 16);
2135         if (bits & SU_EXTEND2)
2136                 MSG_WriteByte(msg, bits >> 24);
2137
2138         if (bits & SU_VIEWHEIGHT)
2139                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
2140
2141         if (bits & SU_IDEALPITCH)
2142                 MSG_WriteChar (msg, (int)PRVM_serveredictfloat(ent, idealpitch));
2143
2144         for (i=0 ; i<3 ; i++)
2145         {
2146                 if (bits & (SU_PUNCH1<<i))
2147                 {
2148                         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)
2149                                 MSG_WriteChar(msg, (int)PRVM_serveredictvector(ent, punchangle)[i]);
2150                         else
2151                                 MSG_WriteAngle16i(msg, PRVM_serveredictvector(ent, punchangle)[i]);
2152                 }
2153                 if (bits & (SU_PUNCHVEC1<<i))
2154                 {
2155                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2156                                 MSG_WriteCoord16i(msg, punchvector[i]);
2157                         else
2158                                 MSG_WriteCoord32f(msg, punchvector[i]);
2159                 }
2160                 if (bits & (SU_VELOCITY1<<i))
2161                 {
2162                         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)
2163                                 MSG_WriteChar(msg, (int)(PRVM_serveredictvector(ent, velocity)[i] * (1.0f / 16.0f)));
2164                         else
2165                                 MSG_WriteCoord32f(msg, PRVM_serveredictvector(ent, velocity)[i]);
2166                 }
2167         }
2168
2169         if (bits & SU_ITEMS)
2170                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
2171
2172         if (sv.protocol == PROTOCOL_DARKPLACES5)
2173         {
2174                 if (bits & SU_WEAPONFRAME)
2175                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
2176                 if (bits & SU_ARMOR)
2177                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
2178                 if (bits & SU_WEAPON)
2179                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
2180                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2181                 MSG_WriteShort (msg, stats[STAT_AMMO]);
2182                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
2183                 MSG_WriteShort (msg, stats[STAT_NAILS]);
2184                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
2185                 MSG_WriteShort (msg, stats[STAT_CELLS]);
2186                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
2187                 if (bits & SU_VIEWZOOM)
2188                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2189         }
2190         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)
2191         {
2192                 if (bits & SU_WEAPONFRAME)
2193                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
2194                 if (bits & SU_ARMOR)
2195                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
2196                 if (bits & SU_WEAPON)
2197                 {
2198                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2199                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
2200                         else
2201                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
2202                 }
2203                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2204                 MSG_WriteByte (msg, stats[STAT_AMMO]);
2205                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
2206                 MSG_WriteByte (msg, stats[STAT_NAILS]);
2207                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
2208                 MSG_WriteByte (msg, stats[STAT_CELLS]);
2209                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
2210                 {
2211                         for (i = 0;i < 32;i++)
2212                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
2213                                         break;
2214                         MSG_WriteByte (msg, i);
2215                 }
2216                 else
2217                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
2218                 if (bits & SU_VIEWZOOM)
2219                 {
2220                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2221                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
2222                         else
2223                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2224                 }
2225         }
2226 }
2227
2228 void SV_FlushBroadcastMessages(void)
2229 {
2230         int i;
2231         client_t *client;
2232         if (sv.datagram.cursize <= 0)
2233                 return;
2234         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2235         {
2236                 if (!client->spawned || !client->netconnection || client->unreliablemsg.cursize + sv.datagram.cursize > client->unreliablemsg.maxsize || client->unreliablemsg_splitpoints >= (int)(sizeof(client->unreliablemsg_splitpoint)/sizeof(client->unreliablemsg_splitpoint[0])))
2237                         continue;
2238                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2239                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2240         }
2241         SZ_Clear(&sv.datagram);
2242 }
2243
2244 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2245 {
2246         // scan the splitpoints to find out how many we can fit in
2247         int numsegments, j, split;
2248         if (!client->unreliablemsg_splitpoints)
2249                 return;
2250         // always accept the first one if it's within 1024 bytes, this ensures
2251         // that very big datagrams which are over the rate limit still get
2252         // through, just to keep it working
2253         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2254                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2255                         break;
2256         // the first segment gets an exemption from the rate limiting, otherwise
2257         // it could get dropped consistently due to a low rate limit
2258         if (numsegments == 1)
2259                 maxsize = maxsize2;
2260         // some will fit, so add the ones that will fit
2261         split = client->unreliablemsg_splitpoint[numsegments-1];
2262         // note this discards ones that were accepted by the segments scan but
2263         // can not fit, such as a really huge first one that will never ever
2264         // fit in a packet...
2265         if (msg->cursize + split <= maxsize)
2266                 SZ_Write(msg, client->unreliablemsg.data, split);
2267         // remove the part we sent, keeping any remaining data
2268         client->unreliablemsg.cursize -= split;
2269         if (client->unreliablemsg.cursize > 0)
2270                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2271         // adjust remaining splitpoints
2272         client->unreliablemsg_splitpoints -= numsegments;
2273         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2274                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2275 }
2276
2277 /*
2278 =======================
2279 SV_SendClientDatagram
2280 =======================
2281 */
2282 static void SV_SendClientDatagram (client_t *client)
2283 {
2284         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2285         sizebuf_t msg;
2286         int stats[MAX_CL_STATS];
2287         static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2288
2289         // obey rate limit by limiting packet frequency if the packet size
2290         // limiting fails
2291         // (usually this is caused by reliable messages)
2292         if (!NetConn_CanSend(client->netconnection))
2293                 return;
2294
2295         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2296         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2297         if (sv_maxrate.integer != maxrate)
2298                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2299
2300         // clientrate determines the 'cleartime' of a packet
2301         // (how long to wait before sending another, based on this packet's size)
2302         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2303
2304         switch (sv.protocol)
2305         {
2306         case PROTOCOL_QUAKE:
2307         case PROTOCOL_QUAKEDP:
2308         case PROTOCOL_NEHAHRAMOVIE:
2309         case PROTOCOL_NEHAHRABJP:
2310         case PROTOCOL_NEHAHRABJP2:
2311         case PROTOCOL_NEHAHRABJP3:
2312         case PROTOCOL_QUAKEWORLD:
2313                 // no packet size limit support on Quake protocols because it just
2314                 // causes missing entities/effects
2315                 // packets are simply sent less often to obey the rate limit
2316                 maxsize = 1024;
2317                 maxsize2 = 1024;
2318                 break;
2319         case PROTOCOL_DARKPLACES1:
2320         case PROTOCOL_DARKPLACES2:
2321         case PROTOCOL_DARKPLACES3:
2322         case PROTOCOL_DARKPLACES4:
2323                 // no packet size limit support on DP1-4 protocols because they kick
2324                 // the client off if they overflow, and miss effects
2325                 // packets are simply sent less often to obey the rate limit
2326                 maxsize = sizeof(sv_sendclientdatagram_buf);
2327                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2328                 break;
2329         default:
2330                 // DP5 and later protocols support packet size limiting which is a
2331                 // better method than limiting packet frequency as QW does
2332                 //
2333                 // at very low rates (or very small sys_ticrate) the packet size is
2334                 // not reduced below 128, but packets may be sent less often
2335                 maxsize = (int)(clientrate * sys_ticrate.value);
2336                 maxsize = bound(128, maxsize, 1400);
2337                 maxsize2 = 1400;
2338                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2339                 // mods that use csqc (they are likely to use less bandwidth anyway)
2340                 if (sv.csqc_progsize > 0)
2341                         maxsize = maxsize2;
2342                 break;
2343         }
2344
2345         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2346         {
2347                 // for good singleplayer, send huge packets
2348                 maxsize = sizeof(sv_sendclientdatagram_buf);
2349                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2350                 // never limit frequency in singleplayer
2351                 clientrate = 1000000000;
2352         }
2353
2354         // while downloading, limit entity updates to half the packet
2355         // (any leftover space will be used for downloading)
2356         if (host_client->download_file)
2357                 maxsize /= 2;
2358
2359         msg.data = sv_sendclientdatagram_buf;
2360         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2361         msg.cursize = 0;
2362         msg.allowoverflow = false;
2363
2364         if (host_client->spawned)
2365         {
2366                 // the player is in the game
2367                 MSG_WriteByte (&msg, svc_time);
2368                 MSG_WriteFloat (&msg, sv.time);
2369
2370                 // add the client specific data to the datagram
2371                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2372                 // now update the stats[] array using any registered custom fields
2373                 VM_SV_UpdateCustomStats(client, client->edict, &msg, stats);
2374                 // set host_client->statsdeltabits
2375                 Protocol_UpdateClientStats (stats);
2376
2377                 // add as many queued unreliable messages (effects) as we can fit
2378                 // limit effects to half of the remaining space
2379                 if (client->unreliablemsg.cursize)
2380                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2381
2382                 // now write as many entities as we can fit, and also sends stats
2383                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2384         }
2385         else if (realtime > client->keepalivetime)
2386         {
2387                 // the player isn't totally in the game yet
2388                 // send small keepalive messages if too much time has passed
2389                 // (may also be sending downloads)
2390                 client->keepalivetime = realtime + 5;
2391                 MSG_WriteChar (&msg, svc_nop);
2392         }
2393
2394         // if a download is active, see if there is room to fit some download data
2395         // in this packet
2396         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2397         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2398         {
2399                 fs_offset_t downloadstart;
2400                 unsigned char data[1400];
2401                 downloadstart = FS_Tell(host_client->download_file);
2402                 downloadsize = min(downloadsize, (int)sizeof(data));
2403                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2404                 // note this sends empty messages if at the end of the file, which is
2405                 // necessary to keep the packet loss logic working
2406                 // (the last blocks may be lost and need to be re-sent, and that will
2407                 //  only occur if the client acks the empty end messages, revealing
2408                 //  a gap in the download progress, causing the last blocks to be
2409                 //  sent again)
2410                 MSG_WriteChar (&msg, svc_downloaddata);
2411                 MSG_WriteLong (&msg, downloadstart);
2412                 MSG_WriteShort (&msg, downloadsize);
2413                 if (downloadsize > 0)
2414                         SZ_Write (&msg, data, downloadsize);
2415         }
2416
2417         // reliable only if none is in progress
2418         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2419                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2420         // unreliable
2421         SV_WriteDemoMessage(client, &msg, false);
2422
2423 // send the datagram
2424         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2425         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2426                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2427 }
2428
2429 /*
2430 =======================
2431 SV_UpdateToReliableMessages
2432 =======================
2433 */
2434 static void SV_UpdateToReliableMessages (void)
2435 {
2436         prvm_prog_t *prog = SVVM_prog;
2437         int i, j;
2438         client_t *client;
2439         const char *name;
2440         const char *model;
2441         const char *skin;
2442         int clientcamera;
2443
2444 // check for changes to be sent over the reliable streams
2445         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2446         {
2447                 // update the host_client fields we care about according to the entity fields
2448                 host_client->edict = PRVM_EDICT_NUM(i+1);
2449
2450                 // DP_SV_CLIENTNAME
2451                 name = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, netname));
2452                 if (name == NULL)
2453                         name = "";
2454                 // always point the string back at host_client->name to keep it safe
2455                 strlcpy (host_client->name, name, sizeof (host_client->name));
2456                 PRVM_serveredictstring(host_client->edict, netname) = PRVM_SetEngineString(prog, host_client->name);
2457                 if (strcmp(host_client->old_name, host_client->name))
2458                 {
2459                         if (host_client->spawned)
2460                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2461                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2462                         // send notification to all clients
2463                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2464                         MSG_WriteByte (&sv.reliable_datagram, i);
2465                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2466                         SV_WriteNetnameIntoDemo(host_client);
2467                 }
2468
2469                 // DP_SV_CLIENTCOLORS
2470                 host_client->colors = (int)PRVM_serveredictfloat(host_client->edict, clientcolors);
2471                 if (host_client->old_colors != host_client->colors)
2472                 {
2473                         host_client->old_colors = host_client->colors;
2474                         // send notification to all clients
2475                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2476                         MSG_WriteByte (&sv.reliable_datagram, i);
2477                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2478                 }
2479
2480                 // NEXUIZ_PLAYERMODEL
2481                 model = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, playermodel));
2482                 if (model == NULL)
2483                         model = "";
2484                 // always point the string back at host_client->name to keep it safe
2485                 strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2486                 PRVM_serveredictstring(host_client->edict, playermodel) = PRVM_SetEngineString(prog, host_client->playermodel);
2487
2488                 // NEXUIZ_PLAYERSKIN
2489                 skin = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, playerskin));
2490                 if (skin == NULL)
2491                         skin = "";
2492                 // always point the string back at host_client->name to keep it safe
2493                 strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2494                 PRVM_serveredictstring(host_client->edict, playerskin) = PRVM_SetEngineString(prog, host_client->playerskin);
2495
2496                 // TODO: add an extension name for this [1/17/2008 Black]
2497                 clientcamera = PRVM_serveredictedict(host_client->edict, clientcamera);
2498                 if (clientcamera > 0)
2499                 {
2500                         int oldclientcamera = host_client->clientcamera;
2501                         if (clientcamera >= prog->max_edicts || PRVM_EDICT_NUM(clientcamera)->priv.required->free)
2502                                 clientcamera = PRVM_NUM_FOR_EDICT(host_client->edict);
2503                         host_client->clientcamera = clientcamera;
2504
2505                         if (oldclientcamera != host_client->clientcamera && host_client->netconnection)
2506                         {
2507                                 MSG_WriteByte(&host_client->netconnection->message, svc_setview);
2508                                 MSG_WriteShort(&host_client->netconnection->message, host_client->clientcamera);
2509                         }
2510                 }
2511
2512                 // frags
2513                 host_client->frags = (int)PRVM_serveredictfloat(host_client->edict, frags);
2514                 if(gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
2515                         if(!host_client->spawned && host_client->netconnection)
2516                                 host_client->frags = -666;
2517                 if (host_client->old_frags != host_client->frags)
2518                 {
2519                         host_client->old_frags = host_client->frags;
2520                         // send notification to all clients
2521                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2522                         MSG_WriteByte (&sv.reliable_datagram, i);
2523                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2524                 }
2525         }
2526
2527         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2528                 if (client->netconnection && (client->spawned || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2529                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2530
2531         SZ_Clear (&sv.reliable_datagram);
2532 }
2533
2534
2535 /*
2536 =======================
2537 SV_SendClientMessages
2538 =======================
2539 */
2540 void SV_SendClientMessages(void)
2541 {
2542         int i, prepared = false;
2543
2544         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2545                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2546
2547         SV_FlushBroadcastMessages();
2548
2549 // update frags, names, etc
2550         SV_UpdateToReliableMessages();
2551
2552 // build individual updates
2553         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2554         {
2555                 if (!host_client->active)
2556                         continue;
2557                 if (!host_client->netconnection)
2558                         continue;
2559
2560                 if (host_client->netconnection->message.overflowed)
2561                 {
2562                         SV_DropClient (true);   // if the message couldn't send, kick off
2563                         continue;
2564                 }
2565
2566                 if (!prepared)
2567                 {
2568                         prepared = true;
2569                         // only prepare entities once per frame
2570                         SV_PrepareEntitiesForSending();
2571                 }
2572                 SV_SendClientDatagram(host_client);
2573         }
2574
2575 // clear muzzle flashes
2576         SV_CleanupEnts();
2577 }
2578
2579 static void SV_StartDownload_f(void)
2580 {
2581         if (host_client->download_file)
2582                 host_client->download_started = true;
2583 }
2584
2585 /*
2586  * Compression extension negotiation:
2587  *
2588  * Server to client:
2589  *   cl_serverextension_download 2
2590  *
2591  * Client to server:
2592  *   download <filename> <list of zero or more suppported compressions in order of preference>
2593  * e.g.
2594  *   download maps/map1.bsp lzo deflate huffman
2595  *
2596  * Server to client:
2597  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2598  * e.g.
2599  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2600  *
2601  * The server may choose not to compress the file by sending no compression name, like:
2602  *   cl_downloadbegin 345678 maps/map1.bsp
2603  *
2604  * NOTE: the "download" command may only specify compression algorithms if
2605  *       cl_serverextension_download is 2!
2606  *       If cl_serverextension_download has a different value, the client must
2607  *       assume this extension is not supported!
2608  */
2609
2610 static void Download_CheckExtensions(void)
2611 {
2612         int i;
2613         int argc = Cmd_Argc();
2614
2615         // first reset them all
2616         host_client->download_deflate = false;
2617
2618         for(i = 2; i < argc; ++i)
2619         {
2620                 if(!strcmp(Cmd_Argv(i), "deflate"))
2621                 {
2622                         host_client->download_deflate = true;
2623                         break;
2624                 }
2625         }
2626 }
2627
2628 static void SV_Download_f(void)
2629 {
2630         const char *whichpack, *whichpack2, *extension;
2631         qboolean is_csqc; // so we need to check only once
2632
2633         if (Cmd_Argc() < 2)
2634         {
2635                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2636                 SV_ClientPrintf("       supported extensions: deflate\n");
2637                 return;
2638         }
2639
2640         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2641         {
2642                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2643                 return;
2644         }
2645
2646         if (host_client->download_file)
2647         {
2648                 // at this point we'll assume the previous download should be aborted
2649                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2650                 Host_ClientCommands("\nstopdownload\n");
2651
2652                 // close the file and reset variables
2653                 FS_Close(host_client->download_file);
2654                 host_client->download_file = NULL;
2655                 host_client->download_name[0] = 0;
2656                 host_client->download_expectedposition = 0;
2657                 host_client->download_started = false;
2658         }
2659
2660         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2661
2662         if (!sv_allowdownloads.integer && !is_csqc)
2663         {
2664                 SV_ClientPrintf("Downloads are disabled on this server\n");
2665                 Host_ClientCommands("\nstopdownload\n");
2666                 return;
2667         }
2668
2669         Download_CheckExtensions();
2670
2671         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2672         extension = FS_FileExtension(host_client->download_name);
2673
2674         // host_client is asking to download a specified file
2675         if (developer_extra.integer)
2676                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2677
2678         if(is_csqc)
2679         {
2680                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2681                 extensions[0] = '\0';
2682
2683                 if(host_client->download_deflate)
2684                         strlcat(extensions, " deflate", sizeof(extensions));
2685
2686                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2687
2688                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2689                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2690                 else
2691                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2692
2693                 // no, no space is needed between %s and %s :P
2694                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2695
2696                 host_client->download_expectedposition = 0;
2697                 host_client->download_started = false;
2698                 host_client->sendsignon = true; // make sure this message is sent
2699                 return;
2700         }
2701
2702         if (!FS_FileExists(host_client->download_name))
2703         {
2704                 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);
2705                 Host_ClientCommands("\nstopdownload\n");
2706                 return;
2707         }
2708
2709         // check if the user is trying to download part of registered Quake(r)
2710         whichpack = FS_WhichPack(host_client->download_name);
2711         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2712         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2713         {
2714                 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);
2715                 Host_ClientCommands("\nstopdownload\n");
2716                 return;
2717         }
2718
2719         // check if the server has forbidden archive downloads entirely
2720         if (!sv_allowdownloads_inarchive.integer)
2721         {
2722                 whichpack = FS_WhichPack(host_client->download_name);
2723                 if (whichpack)
2724                 {
2725                         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);
2726                         Host_ClientCommands("\nstopdownload\n");
2727                         return;
2728                 }
2729         }
2730
2731         if (!sv_allowdownloads_config.integer)
2732         {
2733                 if (!strcasecmp(extension, "cfg"))
2734                 {
2735                         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);
2736                         Host_ClientCommands("\nstopdownload\n");
2737                         return;
2738                 }
2739         }
2740
2741         if (!sv_allowdownloads_dlcache.integer)
2742         {
2743                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2744                 {
2745                         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);
2746                         Host_ClientCommands("\nstopdownload\n");
2747                         return;
2748                 }
2749         }
2750
2751         if (!sv_allowdownloads_archive.integer)
2752         {
2753                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2754                 {
2755                         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);
2756                         Host_ClientCommands("\nstopdownload\n");
2757                         return;
2758                 }
2759         }
2760
2761         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2762         if (!host_client->download_file)
2763         {
2764                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2765                 Host_ClientCommands("\nstopdownload\n");
2766                 return;
2767         }
2768
2769         if (FS_FileSize(host_client->download_file) > 1<<30)
2770         {
2771                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2772                 Host_ClientCommands("\nstopdownload\n");
2773                 FS_Close(host_client->download_file);
2774                 host_client->download_file = NULL;
2775                 return;
2776         }
2777
2778         if (FS_FileSize(host_client->download_file) < 0)
2779         {
2780                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2781                 Host_ClientCommands("\nstopdownload\n");
2782                 FS_Close(host_client->download_file);
2783                 host_client->download_file = NULL;
2784                 return;
2785         }
2786
2787         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2788
2789         /*
2790          * we can only do this if we would actually deflate on the fly
2791          * which we do not (yet)!
2792         {
2793                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2794                 extensions[0] = '\0';
2795
2796                 if(host_client->download_deflate)
2797                         strlcat(extensions, " deflate", sizeof(extensions));
2798
2799                 // no, no space is needed between %s and %s :P
2800                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2801         }
2802         */
2803         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2804
2805         host_client->download_expectedposition = 0;
2806         host_client->download_started = false;
2807         host_client->sendsignon = true; // make sure this message is sent
2808
2809         // the rest of the download process is handled in SV_SendClientDatagram
2810         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2811         //
2812         // no svc_downloaddata messages will be sent until sv_startdownload is
2813         // sent by the client
2814 }
2815
2816 /*
2817 ==============================================================================
2818
2819 SERVER SPAWNING
2820
2821 ==============================================================================
2822 */
2823
2824 /*
2825 ================
2826 SV_ModelIndex
2827
2828 ================
2829 */
2830 int SV_ModelIndex(const char *s, int precachemode)
2831 {
2832         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);
2833         char filename[MAX_QPATH];
2834         if (!s || !*s)
2835                 return 0;
2836         // testing
2837         //if (precachemode == 2)
2838         //      return 0;
2839         strlcpy(filename, s, sizeof(filename));
2840         for (i = 2;i < limit;i++)
2841         {
2842                 if (!sv.model_precache[i][0])
2843                 {
2844                         if (precachemode)
2845                         {
2846                                 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))
2847                                 {
2848                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2849                                         return 0;
2850                                 }
2851                                 if (precachemode == 1)
2852                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2853                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2854                                 if (sv.state == ss_loading)
2855                                 {
2856                                         // running from SV_SpawnServer which is launched from the client console command interpreter
2857                                         sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2858                                 }
2859                                 else
2860                                 {
2861                                         if (svs.threaded)
2862                                         {
2863                                                 // 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
2864                                                 sv.models[i] = Mod_FindName (sv.model_precache[i], s[0] == '*' ? sv.worldname : NULL);
2865                                         }
2866                                         else
2867                                         {
2868                                                 // running single threaded, so we can load the model here
2869                                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2870                                         }
2871                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2872                                         MSG_WriteShort(&sv.reliable_datagram, i);
2873                                         MSG_WriteString(&sv.reliable_datagram, filename);
2874                                 }
2875                                 return i;
2876                         }
2877                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2878                         return 0;
2879                 }
2880                 if (!strcmp(sv.model_precache[i], filename))
2881                         return i;
2882         }
2883         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2884         return 0;
2885 }
2886
2887 /*
2888 ================
2889 SV_SoundIndex
2890
2891 ================
2892 */
2893 int SV_SoundIndex(const char *s, int precachemode)
2894 {
2895         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);
2896         char filename[MAX_QPATH];
2897         if (!s || !*s)
2898                 return 0;
2899         // testing
2900         //if (precachemode == 2)
2901         //      return 0;
2902         strlcpy(filename, s, sizeof(filename));
2903         for (i = 1;i < limit;i++)
2904         {
2905                 if (!sv.sound_precache[i][0])
2906                 {
2907                         if (precachemode)
2908                         {
2909                                 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))
2910                                 {
2911                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2912                                         return 0;
2913                                 }
2914                                 if (precachemode == 1)
2915                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2916                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2917                                 if (sv.state != ss_loading)
2918                                 {
2919                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2920                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2921                                         MSG_WriteString(&sv.reliable_datagram, filename);
2922                                 }
2923                                 return i;
2924                         }
2925                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2926                         return 0;
2927                 }
2928                 if (!strcmp(sv.sound_precache[i], filename))
2929                         return i;
2930         }
2931         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2932         return 0;
2933 }
2934
2935 /*
2936 ================
2937 SV_ParticleEffectIndex
2938
2939 ================
2940 */
2941 int SV_ParticleEffectIndex(const char *name)
2942 {
2943         int i, argc, linenumber, effectnameindex;
2944         int filepass;
2945         fs_offset_t filesize;
2946         unsigned char *filedata;
2947         const char *text;
2948         const char *textstart;
2949         //const char *textend;
2950         char argv[16][1024];
2951         char filename[MAX_QPATH];
2952         if (!sv.particleeffectnamesloaded)
2953         {
2954                 sv.particleeffectnamesloaded = true;
2955                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2956                 for (i = 0;i < EFFECT_TOTAL;i++)
2957                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2958                 for (filepass = 0;;filepass++)
2959                 {
2960                         if (filepass == 0)
2961                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
2962                         else if (filepass == 1)
2963                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
2964                         else
2965                                 break;
2966                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
2967                         if (!filedata)
2968                                 continue;
2969                         textstart = (const char *)filedata;
2970                         //textend = (const char *)filedata + filesize;
2971                         text = textstart;
2972                         for (linenumber = 1;;linenumber++)
2973                         {
2974                                 argc = 0;
2975                                 for (;;)
2976                                 {
2977                                         if (!COM_ParseToken_Simple(&text, true, false, true) || !strcmp(com_token, "\n"))
2978                                                 break;
2979                                         if (argc < 16)
2980                                         {
2981                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2982                                                 argc++;
2983                                         }
2984                                 }
2985                                 if (com_token[0] == 0)
2986                                         break; // if the loop exited and it's not a \n, it's EOF
2987                                 if (argc < 1)
2988                                         continue;
2989                                 if (!strcmp(argv[0], "effect"))
2990                                 {
2991                                         if (argc == 2)
2992                                         {
2993                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
2994                                                 {
2995                                                         if (sv.particleeffectname[effectnameindex][0])
2996                                                         {
2997                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
2998                                                                         break;
2999                                                         }
3000                                                         else
3001                                                         {
3002                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
3003                                                                 break;
3004                                                         }
3005                                                 }
3006                                                 // if we run out of names, abort
3007                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
3008                                                 {
3009                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
3010                                                         break;
3011                                                 }
3012                                         }
3013                                 }
3014                         }
3015                         Mem_Free(filedata);
3016                 }
3017         }
3018         // search for the name
3019         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
3020                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
3021                         return effectnameindex;
3022         // return 0 if we couldn't find it
3023         return 0;
3024 }
3025
3026 dp_model_t *SV_GetModelByIndex(int modelindex)
3027 {
3028         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3029 }
3030
3031 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
3032 {
3033         prvm_prog_t *prog = SVVM_prog;
3034         int modelindex;
3035         if (!ed || ed->priv.server->free)
3036                 return NULL;
3037         modelindex = (int)PRVM_serveredictfloat(ed, modelindex);
3038         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3039 }
3040
3041 /*
3042 ================
3043 SV_CreateBaseline
3044
3045 ================
3046 */
3047 static void SV_CreateBaseline (void)
3048 {
3049         prvm_prog_t *prog = SVVM_prog;
3050         int i, entnum, large;
3051         prvm_edict_t *svent;
3052
3053         // LordHavoc: clear *all* states (note just active ones)
3054         for (entnum = 0;entnum < prog->max_edicts;entnum++)
3055         {
3056                 // get the current server version
3057                 svent = PRVM_EDICT_NUM(entnum);
3058
3059                 // LordHavoc: always clear state values, whether the entity is in use or not
3060                 svent->priv.server->baseline = defaultstate;
3061
3062                 if (svent->priv.server->free)
3063                         continue;
3064                 if (entnum > svs.maxclients && !PRVM_serveredictfloat(svent, modelindex))
3065                         continue;
3066
3067                 // create entity baseline
3068                 VectorCopy (PRVM_serveredictvector(svent, origin), svent->priv.server->baseline.origin);
3069                 VectorCopy (PRVM_serveredictvector(svent, angles), svent->priv.server->baseline.angles);
3070                 svent->priv.server->baseline.frame = (int)PRVM_serveredictfloat(svent, frame);
3071                 svent->priv.server->baseline.skin = (int)PRVM_serveredictfloat(svent, skin);
3072                 if (entnum > 0 && entnum <= svs.maxclients)
3073                 {
3074                         svent->priv.server->baseline.colormap = entnum;
3075                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
3076                 }
3077                 else
3078                 {
3079                         svent->priv.server->baseline.colormap = 0;
3080                         svent->priv.server->baseline.modelindex = (int)PRVM_serveredictfloat(svent, modelindex);
3081                 }
3082
3083                 large = false;
3084                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
3085                 {
3086                         large = true;
3087                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3088                                 large = false;
3089                 }
3090
3091                 // add to the message
3092                 if (large)
3093                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
3094                 else
3095                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
3096                 MSG_WriteShort (&sv.signon, entnum);
3097
3098                 if (large)
3099                 {
3100                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3101                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
3102                 }
3103                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3104                 {
3105                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3106                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3107                 }
3108                 else
3109                 {
3110                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
3111                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3112                 }
3113                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
3114                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
3115                 for (i=0 ; i<3 ; i++)
3116                 {
3117                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
3118                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
3119                 }
3120         }
3121 }
3122
3123 /*
3124 ================
3125 SV_Prepare_CSQC
3126
3127 Load csprogs.dat and comperss it so it doesn't need to be
3128 reloaded on request.
3129 ================
3130 */
3131 static void SV_Prepare_CSQC(void)
3132 {
3133         fs_offset_t progsize;
3134
3135         if(svs.csqc_progdata)
3136         {
3137                 Con_DPrintf("Unloading old CSQC data.\n");
3138                 Mem_Free(svs.csqc_progdata);
3139                 if(svs.csqc_progdata_deflated)
3140                         Mem_Free(svs.csqc_progdata_deflated);
3141         }
3142
3143         svs.csqc_progdata = NULL;
3144         svs.csqc_progdata_deflated = NULL;
3145
3146         sv.csqc_progname[0] = 0;
3147         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
3148
3149         if(progsize > 0)
3150         {
3151                 size_t deflated_size;
3152
3153                 sv.csqc_progsize = (int)progsize;
3154                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
3155                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
3156                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
3157
3158                 Con_DPrint("Compressing csprogs.dat\n");
3159                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
3160                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
3161                 svs.csqc_progsize_deflated = (int)deflated_size;
3162                 if(svs.csqc_progdata_deflated)
3163                 {
3164                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
3165                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
3166                 }
3167                 else
3168                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
3169         }
3170 }
3171
3172 /*
3173 ================
3174 SV_SaveSpawnparms
3175
3176 Grabs the current state of each client for saving across the
3177 transition to another level
3178 ================
3179 */
3180 void SV_SaveSpawnparms (void)
3181 {
3182         prvm_prog_t *prog = SVVM_prog;
3183         int             i, j;
3184
3185         svs.serverflags = (int)PRVM_serverglobalfloat(serverflags);
3186
3187         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3188         {
3189                 if (!host_client->active)
3190                         continue;
3191
3192         // call the progs to get default spawn parms for the new client
3193                 PRVM_serverglobalfloat(time) = sv.time;
3194                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3195                 prog->ExecuteProgram(prog, PRVM_serverfunction(SetChangeParms), "QC function SetChangeParms is missing");
3196                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
3197                         host_client->spawn_parms[j] = (&PRVM_serverglobalfloat(parm1))[j];
3198         }
3199 }
3200
3201 /*
3202 ================
3203 SV_SpawnServer
3204
3205 This is called at the start of each level
3206 ================
3207 */
3208
3209 void SV_SpawnServer (const char *server)
3210 {
3211         prvm_prog_t *prog = SVVM_prog;
3212         prvm_edict_t *ent;
3213         int i;
3214         char *entities;
3215         dp_model_t *worldmodel;
3216         char modelname[sizeof(sv.worldname)];
3217         char vabuf[1024];
3218
3219         Con_DPrintf("SpawnServer: %s\n", server);
3220
3221         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
3222
3223         if (!FS_FileExists(modelname))
3224         {
3225                 dpsnprintf (modelname, sizeof(modelname), "maps/%s", server);
3226                 if (!FS_FileExists(modelname))
3227                 {
3228                         Con_Printf("SpawnServer: no map file named maps/%s.bsp\n", server);
3229                         return;
3230                 }
3231         }
3232
3233 //      SV_LockThreadMutex();
3234
3235         if(cls.state == ca_dedicated)
3236                 Sys_MakeProcessNice();
3237
3238         if (cls.state != ca_dedicated)
3239         {
3240                 SCR_BeginLoadingPlaque();
3241                 S_StopAllSounds();
3242         }
3243
3244         if(sv.active)
3245         {
3246                 World_End(&sv.world);
3247                 if(PRVM_serverfunction(SV_Shutdown))
3248                 {
3249                         func_t s = PRVM_serverfunction(SV_Shutdown);
3250                         PRVM_serverglobalfloat(time) = sv.time;
3251                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
3252                         prog->ExecuteProgram(prog, s,"SV_Shutdown() required");
3253                 }
3254         }
3255
3256         // free q3 shaders so that any newly downloaded shaders will be active
3257         Mod_FreeQ3Shaders();
3258
3259         worldmodel = Mod_ForName(modelname, false, developer.integer > 0, NULL);
3260         if (!worldmodel || !worldmodel->TraceBox)
3261         {
3262                 Con_Printf("Couldn't load map %s\n", modelname);
3263
3264                 if(cls.state == ca_dedicated)
3265                         Sys_MakeProcessMean();
3266
3267 //              SV_UnlockThreadMutex();
3268
3269                 return;
3270         }
3271
3272         Collision_Cache_Reset(true);
3273
3274         // let's not have any servers with no name
3275         if (hostname.string[0] == 0)
3276                 Cvar_Set ("hostname", "UNNAMED");
3277         scr_centertime_off = 0;
3278
3279         svs.changelevel_issued = false;         // now safe to issue another
3280
3281         // make the map a required file for clients
3282         Curl_ClearRequirements();
3283         Curl_RequireFile(modelname);
3284
3285 //
3286 // tell all connected clients that we are going to a new level
3287 //
3288         if (sv.active)
3289         {
3290                 client_t *client;
3291                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3292                 {
3293                         if (client->netconnection)
3294                         {
3295                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3296                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3297                         }
3298                 }
3299         }
3300         else
3301         {
3302                 // open server port
3303                 NetConn_OpenServerPorts(true);
3304         }
3305
3306 //
3307 // make cvars consistant
3308 //
3309         if (coop.integer)
3310                 Cvar_SetValue ("deathmatch", 0);
3311         // LordHavoc: it can be useful to have skills outside the range 0-3...
3312         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3313         //Cvar_SetValue ("skill", (float)current_skill);
3314         current_skill = (int)(skill.value + 0.5);
3315
3316 //
3317 // set up the new server
3318 //
3319         memset (&sv, 0, sizeof(sv));
3320         // if running a local client, make sure it doesn't try to access the last
3321         // level's data which is no longer valiud
3322         cls.signon = 0;
3323
3324         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
3325
3326         if(*sv_random_seed.string)
3327         {
3328                 srand(sv_random_seed.integer);
3329                 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);
3330         }
3331
3332         SV_VM_Setup();
3333
3334         sv.active = true;
3335
3336         // set level base name variables for later use
3337         strlcpy (sv.name, server, sizeof (sv.name));
3338         strlcpy(sv.worldname, modelname, sizeof(sv.worldname));
3339         FS_StripExtension(sv.worldname, sv.worldnamenoextension, sizeof(sv.worldnamenoextension));
3340         strlcpy(sv.worldbasename, !strncmp(sv.worldnamenoextension, "maps/", 5) ? sv.worldnamenoextension + 5 : sv.worldnamenoextension, sizeof(sv.worldbasename));
3341         //Cvar_SetQuick(&sv_worldmessage, sv.worldmessage); // set later after QC is spawned
3342         Cvar_SetQuick(&sv_worldname, sv.worldname);
3343         Cvar_SetQuick(&sv_worldnamenoextension, sv.worldnamenoextension);
3344         Cvar_SetQuick(&sv_worldbasename, sv.worldbasename);
3345
3346         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3347         if (sv.protocol == PROTOCOL_UNKNOWN)
3348         {
3349                 char buffer[1024];
3350                 Protocol_Names(buffer, sizeof(buffer));
3351                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3352                 sv.protocol = PROTOCOL_QUAKE;
3353         }
3354
3355 // load progs to get entity field count
3356         //PR_LoadProgs ( sv_progs.string );
3357
3358         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3359         sv.datagram.cursize = 0;
3360         sv.datagram.data = sv.datagram_buf;
3361
3362         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3363         sv.reliable_datagram.cursize = 0;
3364         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3365
3366         sv.signon.maxsize = sizeof(sv.signon_buf);
3367         sv.signon.cursize = 0;
3368         sv.signon.data = sv.signon_buf;
3369
3370 // leave slots at start for clients only
3371         //prog->num_edicts = svs.maxclients+1;
3372
3373         sv.state = ss_loading;
3374         prog->allowworldwrites = true;
3375         sv.paused = false;
3376
3377         sv.time = 1.0;
3378
3379         Mod_ClearUsed();
3380         worldmodel->used = true;
3381
3382         sv.worldmodel = worldmodel;
3383         sv.models[1] = sv.worldmodel;
3384
3385 //
3386 // clear world interaction links
3387 //
3388         World_SetSize(&sv.world, sv.worldname, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs, prog);
3389         World_Start(&sv.world);
3390
3391         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3392
3393         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3394         strlcpy(sv.model_precache[1], sv.worldname, sizeof(sv.model_precache[1]));
3395         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3396         {
3397                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3398                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.worldname);
3399         }
3400         if(i < sv.worldmodel->brush.numsubmodels)
3401                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3402
3403 //
3404 // load the rest of the entities
3405 //
3406         // AK possible hack since num_edicts is still 0
3407         ent = PRVM_EDICT_NUM(0);
3408         memset (ent->fields.vp, 0, prog->entityfields * 4);
3409         ent->priv.server->free = false;
3410         PRVM_serveredictstring(ent, model) = PRVM_SetEngineString(prog, sv.worldname);
3411         PRVM_serveredictfloat(ent, modelindex) = 1;             // world model
3412         PRVM_serveredictfloat(ent, solid) = SOLID_BSP;
3413         PRVM_serveredictfloat(ent, movetype) = MOVETYPE_PUSH;
3414         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, mins));
3415         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, maxs));
3416         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, absmin));
3417         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, absmax));
3418
3419         if (coop.value)
3420                 PRVM_serverglobalfloat(coop) = coop.integer;
3421         else
3422                 PRVM_serverglobalfloat(deathmatch) = deathmatch.integer;
3423
3424         PRVM_serverglobalstring(mapname) = PRVM_SetEngineString(prog, sv.name);
3425
3426 // serverflags are for cross level information (sigils)
3427         PRVM_serverglobalfloat(serverflags) = svs.serverflags;
3428
3429         // we need to reset the spawned flag on all connected clients here so that
3430         // their thinks don't run during startup (before PutClientInServer)
3431         // we also need to set up the client entities now
3432         // and we need to set the ->edict pointers to point into the progs edicts
3433         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3434         {
3435                 host_client->spawned = false;
3436                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3437                 PRVM_ED_ClearEdict(prog, host_client->edict);
3438         }
3439
3440         // load replacement entity file if found
3441         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va(vabuf, sizeof(vabuf), "%s.ent", sv.worldnamenoextension), tempmempool, true, NULL)))
3442         {
3443                 Con_Printf("Loaded %s.ent\n", sv.worldnamenoextension);
3444                 PRVM_ED_LoadFromFile(prog, entities);
3445                 Mem_Free(entities);
3446         }
3447         else
3448                 PRVM_ED_LoadFromFile(prog, sv.worldmodel->brush.entities);
3449
3450
3451         // LordHavoc: clear world angles (to fix e3m3.bsp)
3452         VectorClear(PRVM_serveredictvector(prog->edicts, angles));
3453
3454 // all setup is completed, any further precache statements are errors
3455 //      sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3456         prog->allowworldwrites = false;
3457
3458 // run two frames to allow everything to settle
3459         sv.time = 1.0001;
3460         for (i = 0;i < 2;i++)
3461         {
3462                 sv.frametime = 0.1;
3463                 SV_Physics ();
3464         }
3465
3466         if (cls.state == ca_dedicated)
3467                 Mod_PurgeUnused();
3468
3469 // create a baseline for more efficient communications
3470         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)
3471                 SV_CreateBaseline ();
3472
3473         sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3474
3475 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3476         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3477         {
3478                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3479                 if (!host_client->active)
3480                         continue;
3481                 if (host_client->netconnection)
3482                         SV_SendServerinfo(host_client);
3483                 else
3484                 {
3485                         int j;
3486                         // if client is a botclient coming from a level change, we need to
3487                         // set up client info that normally requires networking
3488
3489                         // copy spawn parms out of the client_t
3490                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3491                                 (&PRVM_serverglobalfloat(parm1))[j] = host_client->spawn_parms[j];
3492
3493                         // call the spawn function
3494                         host_client->clientconnectcalled = true;
3495                         PRVM_serverglobalfloat(time) = sv.time;
3496                         PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3497                         prog->ExecuteProgram(prog, PRVM_serverfunction(ClientConnect), "QC function ClientConnect is missing");
3498                         prog->ExecuteProgram(prog, PRVM_serverfunction(PutClientInServer), "QC function PutClientInServer is missing");
3499                         host_client->spawned = true;
3500                 }
3501         }
3502
3503         // update the map title cvar
3504         strlcpy(sv.worldmessage, PRVM_GetString(prog, PRVM_serveredictstring(prog->edicts, message)), sizeof(sv.worldmessage)); // map title (not related to filename)
3505         Cvar_SetQuick(&sv_worldmessage, sv.worldmessage);
3506
3507         Con_DPrint("Server spawned.\n");
3508         NetConn_Heartbeat (2);
3509
3510         if(cls.state == ca_dedicated)
3511                 Sys_MakeProcessMean();
3512
3513 //      SV_UnlockThreadMutex();
3514 }
3515
3516 /////////////////////////////////////////////////////
3517 // SV VM stuff
3518
3519 static void SVVM_begin_increase_edicts(prvm_prog_t *prog)
3520 {
3521         // links don't survive the transition, so unlink everything
3522         World_UnlinkAll(&sv.world);
3523 }
3524
3525 static void SVVM_end_increase_edicts(prvm_prog_t *prog)
3526 {
3527         int i;
3528         prvm_edict_t *ent;
3529
3530         // link every entity except world
3531         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
3532                 if (!ent->priv.server->free)
3533                         SV_LinkEdict(ent);
3534 }
3535
3536 static void SVVM_init_edict(prvm_prog_t *prog, prvm_edict_t *e)
3537 {
3538         // LordHavoc: for consistency set these here
3539         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3540
3541         e->priv.server->move = false; // don't move on first frame
3542
3543         if (num >= 0 && num < svs.maxclients)
3544         {
3545                 // set colormap and team on newly created player entity
3546                 PRVM_serveredictfloat(e, colormap) = num + 1;
3547                 PRVM_serveredictfloat(e, team) = (svs.clients[num].colors & 15) + 1;
3548                 // set netname/clientcolors back to client values so that
3549                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3550                 // reset them
3551                 PRVM_serveredictstring(e, netname) = PRVM_SetEngineString(prog, svs.clients[num].name);
3552                 PRVM_serveredictfloat(e, clientcolors) = svs.clients[num].colors;
3553                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3554                 PRVM_serveredictstring(e, playermodel) = PRVM_SetEngineString(prog, svs.clients[num].playermodel);
3555                 PRVM_serveredictstring(e, playerskin) = PRVM_SetEngineString(prog, svs.clients[num].playerskin);
3556                 // Assign netaddress (IP Address, etc)
3557                 if(svs.clients[num].netconnection != NULL)
3558                 {
3559                         // Acquire Readable Address
3560                         LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3561                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(prog, svs.clients[num].netaddress);
3562                 }
3563                 else
3564                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(prog, "null/botclient");
3565                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_idfp[0])
3566                         PRVM_serveredictstring(e, crypto_idfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.client_idfp);
3567                 else
3568                         PRVM_serveredictstring(e, crypto_idfp) = 0;
3569                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_keyfp[0])
3570                         PRVM_serveredictstring(e, crypto_keyfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.client_keyfp);
3571                 else
3572                         PRVM_serveredictstring(e, crypto_keyfp) = 0;
3573                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.server_keyfp[0])
3574                         PRVM_serveredictstring(e, crypto_mykeyfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.server_keyfp);
3575                 else
3576                         PRVM_serveredictstring(e, crypto_mykeyfp) = 0;
3577                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.use_aes)
3578                         PRVM_serveredictstring(e, crypto_encryptmethod) = PRVM_SetEngineString(prog, "AES128");
3579                 else
3580                         PRVM_serveredictstring(e, crypto_encryptmethod) = 0;
3581                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated)
3582                         PRVM_serveredictstring(e, crypto_signmethod) = PRVM_SetEngineString(prog, "HMAC-SHA256");
3583                 else
3584                         PRVM_serveredictstring(e, crypto_signmethod) = 0;
3585         }
3586 }
3587
3588 static void SVVM_free_edict(prvm_prog_t *prog, prvm_edict_t *ed)
3589 {
3590         int i;
3591         int e;
3592
3593         World_UnlinkEdict(ed);          // unlink from world bsp
3594
3595         PRVM_serveredictstring(ed, model) = 0;
3596         PRVM_serveredictfloat(ed, takedamage) = 0;
3597         PRVM_serveredictfloat(ed, modelindex) = 0;
3598         PRVM_serveredictfloat(ed, colormap) = 0;
3599         PRVM_serveredictfloat(ed, skin) = 0;
3600         PRVM_serveredictfloat(ed, frame) = 0;
3601         VectorClear(PRVM_serveredictvector(ed, origin));
3602         VectorClear(PRVM_serveredictvector(ed, angles));
3603         PRVM_serveredictfloat(ed, nextthink) = -1;
3604         PRVM_serveredictfloat(ed, solid) = 0;
3605
3606         VM_RemoveEdictSkeleton(prog, ed);
3607         World_Physics_RemoveFromEntity(&sv.world, ed);
3608         World_Physics_RemoveJointFromEntity(&sv.world, ed);
3609
3610         // make sure csqc networking is aware of the removed entity
3611         e = PRVM_NUM_FOR_EDICT(ed);
3612         sv.csqcentityversion[e] = 0;
3613         for (i = 0;i < svs.maxclients;i++)
3614         {
3615                 if (svs.clients[i].csqcentityscope[e])
3616                         svs.clients[i].csqcentityscope[e] = 1; // removed, awaiting send
3617                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3618         }
3619 }
3620
3621 static void SVVM_count_edicts(prvm_prog_t *prog)
3622 {
3623         int             i;
3624         prvm_edict_t    *ent;
3625         int             active, models, solid, step;
3626
3627         active = models = solid = step = 0;
3628         for (i=0 ; i<prog->num_edicts ; i++)
3629         {
3630                 ent = PRVM_EDICT_NUM(i);
3631                 if (ent->priv.server->free)
3632                         continue;
3633                 active++;
3634                 if (PRVM_serveredictfloat(ent, solid))
3635                         solid++;
3636                 if (PRVM_serveredictstring(ent, model))
3637                         models++;
3638                 if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
3639                         step++;
3640         }
3641
3642         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3643         Con_Printf("active    :%3i\n", active);
3644         Con_Printf("view      :%3i\n", models);
3645         Con_Printf("touch     :%3i\n", solid);
3646         Con_Printf("step      :%3i\n", step);
3647 }
3648
3649 static qboolean SVVM_load_edict(prvm_prog_t *prog, prvm_edict_t *ent)
3650 {
3651         // remove things from different skill levels or deathmatch
3652         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3653         {
3654                 if (deathmatch.integer)
3655                 {
3656                         if (((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_DEATHMATCH))
3657                         {
3658                                 return false;
3659                         }
3660                 }
3661                 else if ((current_skill <= 0 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_EASY  ))
3662                         || (current_skill == 1 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_MEDIUM))
3663                         || (current_skill >= 2 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_HARD  )))
3664                 {
3665                         return false;
3666                 }
3667         }
3668         return true;
3669 }
3670
3671 static void SV_VM_Setup(void)
3672 {
3673         prvm_prog_t *prog = SVVM_prog;
3674         PRVM_Prog_Init(prog);
3675
3676         // allocate the mempools
3677         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3678         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3679         prog->builtins = vm_sv_builtins;
3680         prog->numbuiltins = vm_sv_numbuiltins;
3681         prog->max_edicts = 512;
3682         if (sv.protocol == PROTOCOL_QUAKE)
3683                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3684         else if (sv.protocol == PROTOCOL_QUAKEDP)
3685                 prog->limit_edicts = 2048; // guessing
3686         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3687                 prog->limit_edicts = 2048; // guessing!
3688         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3689                 prog->limit_edicts = 4096; // guessing!
3690         else
3691                 prog->limit_edicts = MAX_EDICTS;
3692         prog->reserved_edicts = svs.maxclients;
3693         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3694         prog->name = "server";
3695         prog->extensionstring = vm_sv_extensions;
3696         prog->loadintoworld = true;
3697
3698         // all callbacks must be defined (pointers are not checked before calling)
3699         prog->begin_increase_edicts = SVVM_begin_increase_edicts;
3700         prog->end_increase_edicts   = SVVM_end_increase_edicts;
3701         prog->init_edict            = SVVM_init_edict;
3702         prog->free_edict            = SVVM_free_edict;
3703         prog->count_edicts          = SVVM_count_edicts;
3704         prog->load_edict            = SVVM_load_edict;
3705         prog->init_cmd              = SVVM_init_cmd;
3706         prog->reset_cmd             = SVVM_reset_cmd;
3707         prog->error_cmd             = Host_Error;
3708         prog->ExecuteProgram        = SVVM_ExecuteProgram;
3709
3710         PRVM_Prog_Load(prog, sv_progs.string, SV_REQFUNCS, sv_reqfuncs, SV_REQFIELDS, sv_reqfields, SV_REQGLOBALS, sv_reqglobals);
3711
3712         // some mods compiled with scrambling compilers lack certain critical
3713         // global names and field names such as "self" and "time" and "nextthink"
3714         // so we have to set these offsets manually, matching the entvars_t
3715         // but we only do this if the prog header crc matches, otherwise it's totally freeform
3716         if (prog->progs_crc == PROGHEADER_CRC || prog->progs_crc == PROGHEADER_CRC_TENEBRAE)
3717         {
3718                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, modelindex);
3719                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmin);
3720                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmax);
3721                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ltime);
3722                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movetype);
3723                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, solid);
3724                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, origin);
3725                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, oldorigin);
3726                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, velocity);
3727                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3728                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, avelocity);
3729                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, punchangle);
3730                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3731                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, model);
3732                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3733                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, skin);
3734                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, effects);
3735                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, mins);
3736                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, maxs);
3737                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, size);
3738                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, touch);
3739                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, use);
3740                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3741                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, blocked);
3742                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3743                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3744                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, health);
3745                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frags);
3746                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weapon);
3747                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponmodel);
3748                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponframe);
3749                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, currentammo);
3750                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_shells);
3751                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_nails);
3752                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_rockets);
3753                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_cells);
3754                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, items);
3755                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, takedamage);
3756                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3757                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, deadflag);
3758                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, view_ofs);
3759                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button0);
3760                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button1);
3761                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button2);
3762                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, impulse);
3763                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, fixangle);
3764                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, v_angle);
3765                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, idealpitch);
3766                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, netname);
3767                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, enemy);
3768                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, flags);
3769                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, colormap);
3770                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, team);
3771                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, max_health);
3772                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, teleport_time);
3773                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armortype);
3774                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armorvalue);
3775                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, waterlevel);
3776                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, watertype);
3777                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
3778                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
3779                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, aiment);
3780                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, goalentity);
3781                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, spawnflags);
3782                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, target);
3783                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, targetname);
3784                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_take);
3785                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_save);
3786                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_inflictor);
3787                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, owner);
3788                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movedir);
3789                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, message);
3790                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, sounds);
3791                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise);
3792                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise1);
3793                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise2);
3794                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise3);
3795                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
3796                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, other);
3797                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, world);
3798                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
3799                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, frametime);
3800                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, force_retouch);
3801                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, mapname);
3802                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, deathmatch);
3803                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, coop);
3804                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, teamplay);
3805                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, serverflags);
3806                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_secrets);
3807                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_monsters);
3808                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, found_secrets);
3809                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, killed_monsters);
3810                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm1);
3811                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm2);
3812                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm3);
3813                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm4);
3814                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm5);
3815                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm6);
3816                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm7);
3817                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm8);
3818                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm9);
3819                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm10);
3820                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm11);
3821                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm12);
3822                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm13);
3823                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm14);
3824                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm15);
3825                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm16);
3826                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
3827                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
3828                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
3829                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
3830                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
3831                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
3832                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
3833                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
3834                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
3835                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
3836                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
3837                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
3838                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, msg_entity);
3839 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, main);
3840 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, StartFrame);
3841 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPreThink);
3842 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPostThink);
3843 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientKill);
3844 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientConnect);
3845 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PutClientInServer);
3846 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientDisconnect);
3847 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetNewParms);
3848 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetChangeParms);
3849         }
3850         else
3851                 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);
3852
3853         // OP_STATE is always supported on server because we add fields/globals for it
3854         prog->flag |= PRVM_OP_STATE;
3855
3856         VM_CustomStats_Clear();//[515]: csqc
3857
3858         SV_Prepare_CSQC();
3859 }
3860
3861 extern cvar_t host_maxwait;
3862 extern cvar_t host_framerate;
3863 static int SV_ThreadFunc(void *voiddata)
3864 {
3865         prvm_prog_t *prog = SVVM_prog;
3866         qboolean playing = false;
3867         double sv_timer = 0;
3868         double sv_deltarealtime, sv_oldrealtime, sv_realtime;
3869         double wait;
3870         int i;
3871         char vabuf[1024];
3872         sv_realtime = Sys_DirtyTime();
3873         while (!svs.threadstop)
3874         {
3875                 // FIXME: we need to handle Host_Error in the server thread somehow
3876 //              if (setjmp(sv_abortframe))
3877 //                      continue;                       // something bad happened in the server game
3878
3879                 sv_oldrealtime = sv_realtime;
3880                 sv_realtime = Sys_DirtyTime();
3881                 sv_deltarealtime = sv_realtime - sv_oldrealtime;
3882                 if (sv_deltarealtime < 0 || sv_deltarealtime >= 1800) sv_deltarealtime = 0;
3883
3884                 sv_timer += sv_deltarealtime;
3885
3886                 svs.perf_acc_realtime += sv_deltarealtime;
3887
3888                 // 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)
3889                 SV_LockThreadMutex();
3890
3891                 // Look for clients who have spawned
3892                 playing = false;
3893                 if (sv.active)
3894                         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3895                                 if(host_client->spawned)
3896                                         if(host_client->netconnection)
3897                                                 playing = true;
3898                 if(!playing)
3899                 {
3900                         // Nobody is looking? Then we won't do timing...
3901                         // Instead, reset it to zero
3902                         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;
3903                 }
3904                 else if(svs.perf_acc_realtime > 5)
3905                 {
3906                         svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
3907                         svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
3908                         if(svs.perf_acc_offset_samples > 0)
3909                         {
3910                                 svs.perf_offset_max = svs.perf_acc_offset_max;
3911                                 svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
3912                                 svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
3913                         }
3914                         if(svs.perf_lost > 0 && developer_extra.integer)
3915                                 Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport(vabuf, sizeof(vabuf)));
3916                         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;
3917                 }
3918
3919                 // get new packets
3920                 if (sv.active)
3921                         NetConn_ServerFrame();
3922
3923                 // if the accumulators haven't become positive yet, wait a while
3924                 wait = sv_timer * -1000000.0;
3925                 if (wait >= 1)
3926                 {
3927                         double time0, delta;
3928                         SV_UnlockThreadMutex(); // don't keep mutex locked while sleeping
3929                         if (host_maxwait.value <= 0)
3930                                 wait = min(wait, 1000000.0);
3931                         else
3932                                 wait = min(wait, host_maxwait.value * 1000.0);
3933                         if(wait < 1)
3934                                 wait = 1; // because we cast to int
3935                         time0 = Sys_DirtyTime();
3936                         Sys_Sleep((int)wait);
3937                         delta = Sys_DirtyTime() - time0;if (delta < 0 || delta >= 1800) delta = 0;
3938                         svs.perf_acc_sleeptime += delta;
3939                         continue;
3940                 }
3941
3942                 if (sv.active && sv_timer > 0)
3943                 {
3944                         // execute one server frame
3945                         double advancetime;
3946                         float offset;
3947
3948                         if (sys_ticrate.value <= 0)
3949                                 advancetime = min(sv_timer, 0.1); // don't step more than 100ms
3950                         else
3951                                 advancetime = sys_ticrate.value;
3952
3953                         if(advancetime > 0)
3954                         {
3955                                 offset = sv_timer + (Sys_DirtyTime() - sv_realtime); // LordHavoc: FIXME: I don't understand this line
3956                                 ++svs.perf_acc_offset_samples;
3957                                 svs.perf_acc_offset += offset;
3958                                 svs.perf_acc_offset_squared += offset * offset;
3959                                 if(svs.perf_acc_offset_max < offset)
3960                                         svs.perf_acc_offset_max = offset;
3961                         }
3962
3963                         // only advance time if not paused
3964                         // the game also pauses in singleplayer when menu or console is used
3965                         sv.frametime = advancetime * slowmo.value;
3966                         if (host_framerate.value)
3967                                 sv.frametime = host_framerate.value;
3968                         if (sv.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
3969                                 sv.frametime = 0;
3970
3971                         sv_timer -= advancetime;
3972
3973                         // move things around and think unless paused
3974                         if (sv.frametime)
3975                                 SV_Physics();
3976
3977                         // send all messages to the clients
3978                         SV_SendClientMessages();
3979
3980                         if (sv.paused == 1 && sv_realtime > sv.pausedstart && sv.pausedstart > 0)
3981                         {
3982                                 PRVM_serverglobalfloat(time) = sv.time;
3983                                 prog->globals.generic[OFS_PARM0] = sv_realtime - sv.pausedstart;
3984                                 prog->ExecuteProgram(prog, PRVM_serverfunction(SV_PausedTic), "QC function SV_PausedTic is missing");
3985                         }
3986
3987                         // send an heartbeat if enough time has passed since the last one
3988                         NetConn_Heartbeat(0);
3989
3990                 }
3991
3992                 // we're back to safe code now
3993                 SV_UnlockThreadMutex();
3994
3995                 // if there is some time remaining from this frame, reset the timers
3996                 if (sv_timer >= 0)
3997                 {
3998                         svs.perf_acc_lost += sv_timer;
3999                         sv_timer = 0;
4000                 }
4001         }
4002         return 0;
4003 }
4004
4005 void SV_StartThread(void)
4006 {
4007         if (!sv_threaded.integer || !Thread_HasThreads())
4008                 return;
4009         svs.threaded = true;
4010         svs.threadstop = false;
4011         svs.threadmutex = Thread_CreateMutex();
4012         svs.thread = Thread_CreateThread(SV_ThreadFunc, NULL);
4013 }
4014
4015 void SV_StopThread(void)
4016 {
4017         if (!svs.threaded)
4018                 return;
4019         svs.threadstop = true;
4020         Thread_WaitThread(svs.thread, 0);
4021         Thread_DestroyMutex(svs.threadmutex);
4022         svs.threaded = false;
4023 }