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
  27 static void SV_SaveEntFile_f(void);
  28 static void SV_StartDownload_f(void);
  29 static void SV_Download_f(void);
  30 static void SV_VM_Setup(void);
  31 extern cvar_t net_connecttimeout;
  32
  33 void VM_CustomStats_Clear (void);
  34 void VM_SV_UpdateCustomStats (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats);
  35
  36 cvar_t sv_worldmessage = {CVAR_READONLY, "sv_worldmessage", "", "title of current level"};
  37 cvar_t sv_worldname = {CVAR_READONLY, "sv_worldname", "", "name of current worldmodel"};
  38 cvar_t sv_worldnamenoextension = {CVAR_READONLY, "sv_worldnamenoextension", "", "name of current worldmodel without extension"};
  39 cvar_t sv_worldbasename = {CVAR_READONLY, "sv_worldbasename", "", "name of current worldmodel without maps/ prefix or extension"};
  40
  41 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)"};
  42 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)"};
  43 cvar_t fraglimit = {CVAR_NOTIFY, "fraglimit","0", "ends level if this many frags is reached by any player"};
  44 cvar_t gamecfg = {0, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
  45 cvar_t noexit = {CVAR_NOTIFY, "noexit","0", "kills anyone attempting to use an exit"};
  46 cvar_t nomonsters = {0, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
  47 cvar_t pausable = {0, "pausable","1", "allow players to pause or not"};
  48 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)"};
  49 cvar_t samelevel = {CVAR_NOTIFY, "samelevel","0", "repeats same level if level ends (due to timelimit or someone hitting an exit)"};
  50 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)"};
  51 cvar_t slowmo = {0, "slowmo", "1.0", "controls game speed, 0.5 is half speed, 2 is double speed"};
  52
  53 cvar_t sv_accelerate = {0, "sv_accelerate", "10", "rate at which a player accelerates to sv_maxspeed"};
  54 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"};
  55 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"};
  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 runing 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", "1", "attempts to fix physics errors (where an object ended up in solid for some reason)"};
 110 cvar_t sv_gameplayfix_nudgeoutofsolid_bias = {0, "sv_gameplayfix_nudgeoutofsolid_bias", "0", "over-correction on nudgeoutofsolid logic, to prevent constant contact"};
 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_swiminbmodels = {0, "sv_gameplayfix_swiminbmodels", "1", "causes pointcontents (used to determine if you are in a liquid) to check bmodel entities as well as the world model, so you can swim around in (possibly moving) water bmodel entities"};
 119 cvar_t sv_gameplayfix_upwardvelocityclearsongroundflag = {0, "sv_gameplayfix_upwardvelocityclearsongroundflag", "1", "prevents monsters, items, and most other objects from being stuck to the floor when pushed around by damage, and other situations in mods"};
 120 cvar_t sv_gameplayfix_downtracesupportsongroundflag = {0, "sv_gameplayfix_downtracesupportsongroundflag", "1", "prevents very short moves from clearing onground (which may make the player stick to the floor at high netfps)"};
 121 cvar_t sv_gravity = {CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
 122 cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
 123 cvar_t sv_jumpstep = {CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping (sv_gameplayfix_stepwhilejumping must also be 1)"};
 124 cvar_t sv_jumpvelocity = {0, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
 125 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)"};
 126 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
 127 cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
 128 cvar_t sv_maxvelocity = {CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
 129 cvar_t sv_nostep = {CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
 130 cvar_t sv_playerphysicsqc = {CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
 131 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
 132 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
 133 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"};
 134 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)"};
 135 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)"};
 136 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)"};
 137 cvar_t sv_stepheight = {CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
 138 cvar_t sv_stopspeed = {CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
 139 cvar_t sv_wallfriction = {CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
 140 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"};
 141 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"};
 142 cvar_t sv_warsowbunny_airforwardaccel = {0, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
 143 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)"};
 144 cvar_t sv_warsowbunny_topspeed = {0, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
 145 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)"};
 146 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"};
 147 cvar_t sv_onlycsqcnetworking = {0, "sv_onlycsqcnetworking", "0", "disables legacy entity networking code for higher performance (except on clients, which can still be legacy)"};
 148 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"};
 149 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"};
 150 cvar_t timelimit = {CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
 151
 152 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 153 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 154 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 155 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 156 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 157 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
 158 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
 159 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
 160 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
 161 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)"};
 162
 163 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
 164 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
 165 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
 166 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
 167 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
 168 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
 169 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
 170 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
 171 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
 172 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
 173 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
 174 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
 175 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
 176 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
 177 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
 178 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
 179 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
 180 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
 181 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
 182 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
 183 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
 184
 185 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)"};
 186 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)" };
 187 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."};
 188
 189 cvar_t halflifebsp = {0, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
 190
 191 server_t sv;
 192 server_static_t svs;
 193
 194 mempool_t *sv_mempool = NULL;
 195
 196 extern cvar_t slowmo;
 197 extern float            scr_centertime_off;
 198
 199 // MUST match effectnameindex_t in client.h
 200 static const char *standardeffectnames[EFFECT_TOTAL] =
 201 {
 202         "",
 203         "TE_GUNSHOT",
 204         "TE_GUNSHOTQUAD",
 205         "TE_SPIKE",
 206         "TE_SPIKEQUAD",
 207         "TE_SUPERSPIKE",
 208         "TE_SUPERSPIKEQUAD",
 209         "TE_WIZSPIKE",
 210         "TE_KNIGHTSPIKE",
 211         "TE_EXPLOSION",
 212         "TE_EXPLOSIONQUAD",
 213         "TE_TAREXPLOSION",
 214         "TE_TELEPORT",
 215         "TE_LAVASPLASH",
 216         "TE_SMALLFLASH",
 217         "TE_FLAMEJET",
 218         "EF_FLAME",
 219         "TE_BLOOD",
 220         "TE_SPARK",
 221         "TE_PLASMABURN",
 222         "TE_TEI_G3",
 223         "TE_TEI_SMOKE",
 224         "TE_TEI_BIGEXPLOSION",
 225         "TE_TEI_PLASMAHIT",
 226         "EF_STARDUST",
 227         "TR_ROCKET",
 228         "TR_GRENADE",
 229         "TR_BLOOD",
 230         "TR_WIZSPIKE",
 231         "TR_SLIGHTBLOOD",
 232         "TR_KNIGHTSPIKE",
 233         "TR_VORESPIKE",
 234         "TR_NEHAHRASMOKE",
 235         "TR_NEXUIZPLASMA",
 236         "TR_GLOWTRAIL",
 237         "SVC_PARTICLE"
 238 };
 239
 240 #define REQFIELDS (sizeof(reqfields) / sizeof(prvm_required_field_t))
 241
 242 prvm_required_field_t reqfields[] =
 243 {
 244         {ev_entity, "cursor_trace_ent"},
 245         {ev_entity, "drawonlytoclient"},
 246         {ev_entity, "exteriormodeltoclient"},
 247         {ev_entity, "nodrawtoclient"},
 248         {ev_entity, "tag_entity"},
 249         {ev_entity, "viewmodelforclient"},
 250         {ev_float, "SendFlags"},
 251         {ev_float, "Version"},
 252         {ev_float, "alpha"},
 253         {ev_float, "ammo_cells1"},
 254         {ev_float, "ammo_lava_nails"},
 255         {ev_float, "ammo_multi_rockets"},
 256         {ev_float, "ammo_nails1"},
 257         {ev_float, "ammo_plasma"},
 258         {ev_float, "ammo_rockets1"},
 259         {ev_float, "ammo_shells1"},
 260         {ev_float, "button3"},
 261         {ev_float, "button4"},
 262         {ev_float, "button5"},
 263         {ev_float, "button6"},
 264         {ev_float, "button7"},
 265         {ev_float, "button8"},
 266         {ev_float, "button9"},
 267         {ev_float, "button10"},
 268         {ev_float, "button11"},
 269         {ev_float, "button12"},
 270         {ev_float, "button13"},
 271         {ev_float, "button14"},
 272         {ev_float, "button15"},
 273         {ev_float, "button16"},
 274         {ev_float, "buttonchat"},
 275         {ev_float, "buttonuse"},
 276         {ev_float, "clientcolors"},
 277         {ev_float, "cursor_active"},
 278         {ev_float, "disableclientprediction"},
 279         {ev_float, "fullbright"},
 280         {ev_float, "glow_color"},
 281         {ev_float, "glow_size"},
 282         {ev_float, "glow_trail"},
 283         {ev_float, "gravity"},
 284         {ev_float, "idealpitch"},
 285         {ev_float, "items2"},
 286         {ev_float, "light_lev"},
 287         {ev_float, "modelflags"},
 288         {ev_float, "pflags"},
 289         {ev_float, "ping"},
 290         {ev_float, "pitch_speed"},
 291         {ev_float, "pmodel"},
 292         {ev_float, "renderamt"}, // HalfLife support
 293         {ev_float, "rendermode"}, // HalfLife support
 294         {ev_float, "scale"},
 295         {ev_float, "style"},
 296         {ev_float, "tag_index"},
 297         {ev_float, "viewzoom"},
 298         {ev_function, "SendEntity"},
 299         {ev_function, "contentstransition"}, // DRESK - Support for Entity Contents Transition Event
 300         {ev_function, "customizeentityforclient"},
 301         {ev_function, "movetypesteplandevent"}, // DRESK - Support for MOVETYPE_STEP Entity Land Event
 302         {ev_string, "netaddress"},
 303         {ev_string, "playermodel"},
 304         {ev_string, "playerskin"},
 305         {ev_vector, "color"},
 306         {ev_vector, "colormod"},
 307         {ev_vector, "cursor_screen"},
 308         {ev_vector, "cursor_trace_endpos"},
 309         {ev_vector, "cursor_trace_start"},
 310         {ev_vector, "glowmod"},
 311         {ev_vector, "movement"},
 312         {ev_vector, "punchvector"},
 313
 314         // physics
 315         //{ev_float, "solid"},
 316         //{ev_float, "movetype"},
 317         //{ev_float, "modelindex"},
 318         {ev_vector, "mass"},
 319         //{ev_vector, "origin"},
 320         //{ev_vector, "velocity"},
 321         //{ev_vector, "axis_forward"},
 322         //{ev_vector, "axis_left"},
 323         //{ev_vector, "axis_up"},
 324         //{ev_vector, "spinvelocity"},
 325         //{ev_vector, "angles"},
 326         //{ev_vector, "avelocity"},
 327
 328 };
 329
 330
 331
 332 //============================================================================
 333
 334 void SV_AreaStats_f(void)
 335 {
 336         World_PrintAreaStats(&sv.world, "server");
 337 }
 338
 339 /*
 340 ===============
 341 SV_Init
 342 ===============
 343 */
 344 void SV_Init (void)
 345 {
 346         // init the csqc progs cvars, since they are updated/used by the server code
 347         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
 348         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
 349         extern cvar_t csqc_progcrc;
 350         extern cvar_t csqc_progsize;
 351
 352         Cvar_RegisterVariable(&sv_worldmessage);
 353         Cvar_RegisterVariable(&sv_worldname);
 354         Cvar_RegisterVariable(&sv_worldnamenoextension);
 355         Cvar_RegisterVariable(&sv_worldbasename);
 356
 357         Cvar_RegisterVariable (&csqc_progname);
 358         Cvar_RegisterVariable (&csqc_progcrc);
 359         Cvar_RegisterVariable (&csqc_progsize);
 360
 361         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
 362         Cmd_AddCommand("sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
 363         Cmd_AddCommand_WithClientCommand("sv_startdownload", NULL, SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
 364         Cmd_AddCommand_WithClientCommand("download", NULL, SV_Download_f, "downloads a specified file from the server");
 365
 366         Cvar_RegisterVariable (&coop);
 367         Cvar_RegisterVariable (&deathmatch);
 368         Cvar_RegisterVariable (&fraglimit);
 369         Cvar_RegisterVariable (&gamecfg);
 370         Cvar_RegisterVariable (&noexit);
 371         Cvar_RegisterVariable (&nomonsters);
 372         Cvar_RegisterVariable (&pausable);
 373         Cvar_RegisterVariable (&pr_checkextension);
 374         Cvar_RegisterVariable (&samelevel);
 375         Cvar_RegisterVariable (&skill);
 376         Cvar_RegisterVariable (&slowmo);
 377         Cvar_RegisterVariable (&sv_accelerate);
 378         Cvar_RegisterVariable (&sv_aim);
 379         Cvar_RegisterVariable (&sv_airaccel_qw);
 380         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
 381         Cvar_RegisterVariable (&sv_airaccelerate);
 382         Cvar_RegisterVariable (&sv_airstopaccelerate);
 383         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
 384         Cvar_RegisterVariable (&sv_maxairstrafespeed);
 385         Cvar_RegisterVariable (&sv_airstrafeaccel_qw);
 386         Cvar_RegisterVariable (&sv_airspeedlimit_nonqw);
 387         Cvar_RegisterVariable (&sv_aircontrol);
 388         Cvar_RegisterVariable (&sv_aircontrol_power);
 389         Cvar_RegisterVariable (&sv_aircontrol_penalty);
 390         Cvar_RegisterVariable (&sv_allowdownloads);
 391         Cvar_RegisterVariable (&sv_allowdownloads_archive);
 392         Cvar_RegisterVariable (&sv_allowdownloads_config);
 393         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
 394         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
 395         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
 396         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
 397         Cvar_RegisterVariable (&sv_clmovement_enable);
 398         Cvar_RegisterVariable (&sv_clmovement_minping);
 399         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
 400         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
 401         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
 402         Cvar_RegisterVariable (&sv_cullentities_pvs);
 403         Cvar_RegisterVariable (&sv_cullentities_stats);
 404         Cvar_RegisterVariable (&sv_cullentities_trace);
 405         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
 406         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
 407         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
 408         Cvar_RegisterVariable (&sv_cullentities_trace_entityocclusion);
 409         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
 410         Cvar_RegisterVariable (&sv_cullentities_trace_prediction_time);
 411         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
 412         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
 413         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
 414         Cvar_RegisterVariable (&sv_debugmove);
 415         Cvar_RegisterVariable (&sv_echobprint);
 416         Cvar_RegisterVariable (&sv_edgefriction);
 417         Cvar_RegisterVariable (&sv_entpatch);
 418         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
 419         Cvar_RegisterVariable (&sv_freezenonclients);
 420         Cvar_RegisterVariable (&sv_friction);
 421         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
 422         Cvar_RegisterVariable (&sv_gameplayfix_consistentplayerprethink);
 423         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
 424         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
 425         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
 426         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
 427         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
 428         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
 429         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
 430         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
 431         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
 432         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
 433         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid);
 434         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid_bias);
 435         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
 436         Cvar_RegisterVariable (&sv_gameplayfix_nogravityonground);
 437         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
 438         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
 439         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
 440         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
 441         Cvar_RegisterVariable (&sv_gameplayfix_stepmultipletimes);
 442         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
 443         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
 444         Cvar_RegisterVariable (&sv_gameplayfix_downtracesupportsongroundflag);
 445         Cvar_RegisterVariable (&sv_gravity);
 446         Cvar_RegisterVariable (&sv_idealpitchscale);
 447         Cvar_RegisterVariable (&sv_jumpstep);
 448         Cvar_RegisterVariable (&sv_jumpvelocity);
 449         Cvar_RegisterVariable (&sv_maxairspeed);
 450         Cvar_RegisterVariable (&sv_maxrate);
 451         Cvar_RegisterVariable (&sv_maxspeed);
 452         Cvar_RegisterVariable (&sv_maxvelocity);
 453         Cvar_RegisterVariable (&sv_nostep);
 454         Cvar_RegisterVariable (&sv_playerphysicsqc);
 455         Cvar_RegisterVariable (&sv_progs);
 456         Cvar_RegisterVariable (&sv_protocolname);
 457         Cvar_RegisterVariable (&sv_random_seed);
 458         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
 459         Cvar_RegisterVariable (&sv_sound_land);
 460         Cvar_RegisterVariable (&sv_sound_watersplash);
 461         Cvar_RegisterVariable (&sv_stepheight);
 462         Cvar_RegisterVariable (&sv_stopspeed);
 463         Cvar_RegisterVariable (&sv_wallfriction);
 464         Cvar_RegisterVariable (&sv_wateraccelerate);
 465         Cvar_RegisterVariable (&sv_waterfriction);
 466         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
 467         Cvar_RegisterVariable (&sv_warsowbunny_accel);
 468         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
 469         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
 470         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
 471         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
 472         Cvar_RegisterVariable (&sys_ticrate);
 473         Cvar_RegisterVariable (&teamplay);
 474         Cvar_RegisterVariable (&timelimit);
 475
 476         Cvar_RegisterVariable (&saved1);
 477         Cvar_RegisterVariable (&saved2);
 478         Cvar_RegisterVariable (&saved3);
 479         Cvar_RegisterVariable (&saved4);
 480         Cvar_RegisterVariable (&savedgamecfg);
 481         Cvar_RegisterVariable (&scratch1);
 482         Cvar_RegisterVariable (&scratch2);
 483         Cvar_RegisterVariable (&scratch3);
 484         Cvar_RegisterVariable (&scratch4);
 485         Cvar_RegisterVariable (&temp1);
 486
 487         // LordHavoc: Nehahra uses these to pass data around cutscene demos
 488         if (gamemode == GAME_NEHAHRA)
 489         {
 490                 Cvar_RegisterVariable (&nehx00);
 491                 Cvar_RegisterVariable (&nehx01);
 492                 Cvar_RegisterVariable (&nehx02);
 493                 Cvar_RegisterVariable (&nehx03);
 494                 Cvar_RegisterVariable (&nehx04);
 495                 Cvar_RegisterVariable (&nehx05);
 496                 Cvar_RegisterVariable (&nehx06);
 497                 Cvar_RegisterVariable (&nehx07);
 498                 Cvar_RegisterVariable (&nehx08);
 499                 Cvar_RegisterVariable (&nehx09);
 500                 Cvar_RegisterVariable (&nehx10);
 501                 Cvar_RegisterVariable (&nehx11);
 502                 Cvar_RegisterVariable (&nehx12);
 503                 Cvar_RegisterVariable (&nehx13);
 504                 Cvar_RegisterVariable (&nehx14);
 505                 Cvar_RegisterVariable (&nehx15);
 506                 Cvar_RegisterVariable (&nehx16);
 507                 Cvar_RegisterVariable (&nehx17);
 508                 Cvar_RegisterVariable (&nehx18);
 509                 Cvar_RegisterVariable (&nehx19);
 510         }
 511         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
 512
 513         Cvar_RegisterVariable (&sv_autodemo_perclient);
 514         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
 515         Cvar_RegisterVariable (&sv_autodemo_perclient_discardable);
 516
 517         Cvar_RegisterVariable (&halflifebsp);
 518
 519         // any special defaults for gamemodes go here
 520         if (gamemode == GAME_NEHAHRA)
 521         {
 522                 // Nehahra pushable crates malfunction in some levels if this is on
 523                 Cvar_SetValueQuick (&sv_gameplayfix_upwardvelocityclearsongroundflag, 0);
 524                 // Nehahra NPC AI is confused by this feature
 525                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
 526         }
 527         if (gamemode == GAME_HIPNOTIC)
 528         {
 529                 // hipnotic mission pack has issues in their 'friendly monster' ai, which seem to attempt to attack themselves for some reason when findradius() returns non-solid entities.
 530                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
 531                 // hipnotic mission pack has issues with bobbing water entities 'jittering' between different heights on alternate frames at the default 0.0138889 ticrate, 0.02 avoids this issue
 532                 Cvar_SetValueQuick (&sys_ticrate, 0.02);
 533                 // hipnotic mission pack has issues in their proximity mine sticking code, which causes them to bounce off.
 534                 Cvar_SetValueQuick (&sv_gameplayfix_slidemoveprojectiles, 0);
 535         }
 536         if (gamemode == GAME_ROGUE)
 537         {
 538                 // rogue mission pack has a guardian boss that does not wake up if findradius returns one of the entities around its spawn area
 539                 Cvar_SetValueQuick (&sv_gameplayfix_findradiusdistancetobox, 0);
 540         }
 541         if (gamemode == GAME_NEXUIZ)
 542         {
 543                 Cvar_SetValueQuick (&sv_gameplayfix_q2airaccelerate, 1);
 544                 Cvar_SetValueQuick (&sv_gameplayfix_stepmultipletimes, 1);
 545         }
 546
 547         sv_mempool = Mem_AllocPool("server", 0, NULL);
 548 }
 549
 550 static void SV_SaveEntFile_f(void)
 551 {
 552         if (!sv.active || !sv.worldmodel)
 553         {
 554                 Con_Print("Not running a server\n");
 555                 return;
 556         }
 557         FS_WriteFile(va("%s.ent", sv.worldnamenoextension), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
 558 }
 559
 560
 561 /*
 562 =============================================================================
 563
 564 EVENT MESSAGES
 565
 566 =============================================================================
 567 */
 568
 569 /*
 570 ==================
 571 SV_StartParticle
 572
 573 Make sure the event gets sent to all clients
 574 ==================
 575 */
 576 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 577 {
 578         int i;
 579
 580         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 581                 return;
 582         MSG_WriteByte (&sv.datagram, svc_particle);
 583         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 584         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 585         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 586         for (i=0 ; i<3 ; i++)
 587                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
 588         MSG_WriteByte (&sv.datagram, count);
 589         MSG_WriteByte (&sv.datagram, color);
 590         SV_FlushBroadcastMessages();
 591 }
 592
 593 /*
 594 ==================
 595 SV_StartEffect
 596
 597 Make sure the event gets sent to all clients
 598 ==================
 599 */
 600 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 601 {
 602         if (modelindex >= 256 || startframe >= 256)
 603         {
 604                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 605                         return;
 606                 MSG_WriteByte (&sv.datagram, svc_effect2);
 607                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 608                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 609                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 610                 MSG_WriteShort (&sv.datagram, modelindex);
 611                 MSG_WriteShort (&sv.datagram, startframe);
 612                 MSG_WriteByte (&sv.datagram, framecount);
 613                 MSG_WriteByte (&sv.datagram, framerate);
 614         }
 615         else
 616         {
 617                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 618                         return;
 619                 MSG_WriteByte (&sv.datagram, svc_effect);
 620                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 621                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 622                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 623                 MSG_WriteByte (&sv.datagram, modelindex);
 624                 MSG_WriteByte (&sv.datagram, startframe);
 625                 MSG_WriteByte (&sv.datagram, framecount);
 626                 MSG_WriteByte (&sv.datagram, framerate);
 627         }
 628         SV_FlushBroadcastMessages();
 629 }
 630
 631 /*
 632 ==================
 633 SV_StartSound
 634
 635 Each entity can have eight independant sound sources, like voice,
 636 weapon, feet, etc.
 637
 638 Channel 0 is an auto-allocate channel, the others override anything
 639 already running on that entity/channel pair.
 640
 641 An attenuation of 0 will play full volume everywhere in the level.
 642 Larger attenuations will drop off.  (max 4 attenuation)
 643
 644 ==================
 645 */
 646 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation)
 647 {
 648         int sound_num, field_mask, i, ent;
 649
 650         if (volume < 0 || volume > 255)
 651         {
 652                 Con_Printf ("SV_StartSound: volume = %i\n", volume);
 653                 return;
 654         }
 655
 656         if (attenuation < 0 || attenuation > 4)
 657         {
 658                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
 659                 return;
 660         }
 661
 662         if (channel < 0 || channel > 7)
 663         {
 664                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
 665                 return;
 666         }
 667
 668         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 669                 return;
 670
 671 // find precache number for sound
 672         sound_num = SV_SoundIndex(sample, 1);
 673         if (!sound_num)
 674                 return;
 675
 676         ent = PRVM_NUM_FOR_EDICT(entity);
 677
 678         field_mask = 0;
 679         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 680                 field_mask |= SND_VOLUME;
 681         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 682                 field_mask |= SND_ATTENUATION;
 683         if (ent >= 8192)
 684                 field_mask |= SND_LARGEENTITY;
 685         if (sound_num >= 256 || channel >= 8)
 686                 field_mask |= SND_LARGESOUND;
 687
 688 // directed messages go only to the entity they are targeted on
 689         MSG_WriteByte (&sv.datagram, svc_sound);
 690         MSG_WriteByte (&sv.datagram, field_mask);
 691         if (field_mask & SND_VOLUME)
 692                 MSG_WriteByte (&sv.datagram, volume);
 693         if (field_mask & SND_ATTENUATION)
 694                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 695         if (field_mask & SND_LARGEENTITY)
 696         {
 697                 MSG_WriteShort (&sv.datagram, ent);
 698                 MSG_WriteByte (&sv.datagram, channel);
 699         }
 700         else
 701                 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
 702         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
 703                 MSG_WriteShort (&sv.datagram, sound_num);
 704         else
 705                 MSG_WriteByte (&sv.datagram, sound_num);
 706         for (i = 0;i < 3;i++)
 707                 MSG_WriteCoord (&sv.datagram, entity->fields.server->origin[i]+0.5*(entity->fields.server->mins[i]+entity->fields.server->maxs[i]), sv.protocol);
 708         SV_FlushBroadcastMessages();
 709 }
 710
 711 /*
 712 ==================
 713 SV_StartPointSound
 714
 715 Nearly the same logic as SV_StartSound, except an origin
 716 instead of an entity is provided and channel is omitted.
 717
 718 The entity sent to the client is 0 (world) and the channel
 719 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
 720 function, therefore the check for it is omitted.
 721
 722 ==================
 723 */
 724 void SV_StartPointSound (vec3_t origin, const char *sample, int volume, float attenuation)
 725 {
 726         int sound_num, field_mask, i;
 727
 728         if (volume < 0 || volume > 255)
 729         {
 730                 Con_Printf ("SV_StartPointSound: volume = %i\n", volume);
 731                 return;
 732         }
 733
 734         if (attenuation < 0 || attenuation > 4)
 735         {
 736                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
 737                 return;
 738         }
 739
 740         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 741                 return;
 742
 743         // find precache number for sound
 744         sound_num = SV_SoundIndex(sample, 1);
 745         if (!sound_num)
 746                 return;
 747
 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 (sound_num >= 256)
 754                 field_mask |= SND_LARGESOUND;
 755
 756 // directed messages go only to the entity they are targeted on
 757         MSG_WriteByte (&sv.datagram, svc_sound);
 758         MSG_WriteByte (&sv.datagram, field_mask);
 759         if (field_mask & SND_VOLUME)
 760                 MSG_WriteByte (&sv.datagram, volume);
 761         if (field_mask & SND_ATTENUATION)
 762                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 763         // Always write entnum 0 for the world entity
 764         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
 765         if (field_mask & SND_LARGESOUND)
 766                 MSG_WriteShort (&sv.datagram, sound_num);
 767         else
 768                 MSG_WriteByte (&sv.datagram, sound_num);
 769         for (i = 0;i < 3;i++)
 770                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
 771         SV_FlushBroadcastMessages();
 772 }
 773
 774 /*
 775 ==============================================================================
 776
 777 CLIENT SPAWNING
 778
 779 ==============================================================================
 780 */
 781
 782 /*
 783 ================
 784 SV_SendServerinfo
 785
 786 Sends the first message from the server to a connected client.
 787 This will be sent on the initial connection and upon each server load.
 788 ================
 789 */
 790 void SV_SendServerinfo (client_t *client)
 791 {
 792         int i;
 793         char message[128];
 794
 795         // we know that this client has a netconnection and thus is not a bot
 796
 797         // edicts get reallocated on level changes, so we need to update it here
 798         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
 799
 800         // clear cached stuff that depends on the level
 801         client->weaponmodel[0] = 0;
 802         client->weaponmodelindex = 0;
 803
 804         // LordHavoc: clear entityframe tracking
 805         client->latestframenum = 0;
 806
 807         // initialize the movetime, so a speedhack can't make use of the time before this client joined
 808         client->cmd.time = sv.time;
 809
 810         if (client->entitydatabase)
 811                 EntityFrame_FreeDatabase(client->entitydatabase);
 812         if (client->entitydatabase4)
 813                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 814         if (client->entitydatabase5)
 815                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 816
 817         memset(client->stats, 0, sizeof(client->stats));
 818         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
 819
 820         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)
 821         {
 822                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 823                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
 824                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
 825                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
 826                 else
 827                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
 828         }
 829
 830         // reset csqc entity versions
 831         for (i = 0;i < prog->max_edicts;i++)
 832         {
 833                 client->csqcentityscope[i] = 0;
 834                 client->csqcentitysendflags[i] = 0xFFFFFF;
 835                 client->csqcentityglobalhistory[i] = 0;
 836         }
 837         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
 838         {
 839                 client->csqcentityframehistory[i].num = 0;
 840                 client->csqcentityframehistory[i].framenum = -1;
 841         }
 842         client->csqcnumedicts = 0;
 843         client->csqcentityframehistory_next = 0;
 844
 845         SZ_Clear (&client->netconnection->message);
 846         MSG_WriteByte (&client->netconnection->message, svc_print);
 847         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)\n", gamename, buildstring, prog->filecrc);
 848         MSG_WriteString (&client->netconnection->message,message);
 849
 850         SV_StopDemoRecording(client); // to split up demos into different files
 851         if(sv_autodemo_perclient.integer && client->netconnection)
 852         {
 853                 char demofile[MAX_OSPATH];
 854                 char ipaddress[MAX_QPATH];
 855                 size_t i;
 856
 857                 // start a new demo file
 858                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
 859                 for(i = 0; ipaddress[i]; ++i)
 860                         if(!isalnum(ipaddress[i]))
 861                                 ipaddress[i] = '-';
 862                 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);
 863
 864                 SV_StartDemoRecording(client, demofile, -1);
 865         }
 866
 867         //[515]: init csprogs according to version of svprogs, check the crc, etc.
 868         if (sv.csqc_progname[0])
 869         {
 870                 prvm_eval_t *val;
 871                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
 872                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 873                 MSG_WriteString (&client->netconnection->message, va("csqc_progname %s\n", sv.csqc_progname));
 874                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 875                 MSG_WriteString (&client->netconnection->message, va("csqc_progsize %i\n", sv.csqc_progsize));
 876                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 877                 MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i\n", sv.csqc_progcrc));
 878
 879                 if(client->sv_demo_file != NULL)
 880                 {
 881                         int i;
 882                         static char buf[NET_MAXMESSAGE];
 883                         sizebuf_t sb;
 884
 885                         sb.data = (unsigned char *) buf;
 886                         sb.maxsize = sizeof(buf);
 887                         i = 0;
 888                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, i++, &sb, sv.protocol))
 889                                 SV_WriteDemoMessage(client, &sb, false);
 890                 }
 891
 892                 //[515]: init stufftext string (it is sent before svc_serverinfo)
 893                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.SV_InitCmd);
 894                 if (val)
 895                 {
 896                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 897                         MSG_WriteString (&client->netconnection->message, va("%s\n", PRVM_GetString(val->string)));
 898                 }
 899         }
 900
 901         //if (sv_allowdownloads.integer)
 902         // always send the info that the server supports the protocol, even if downloads are forbidden
 903         // only because of that, the CSQC exception can work
 904         {
 905                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 906                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
 907         }
 908
 909         // send at this time so it's guaranteed to get executed at the right time
 910         {
 911                 client_t *save;
 912                 save = host_client;
 913                 host_client = client;
 914                 Curl_SendRequirements();
 915                 host_client = save;
 916         }
 917
 918         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
 919         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
 920         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
 921
 922         if (!coop.integer && deathmatch.integer)
 923                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
 924         else
 925                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
 926
 927         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog->edicts->fields.server->message));
 928
 929         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
 930                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
 931         MSG_WriteByte (&client->netconnection->message, 0);
 932
 933         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
 934                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
 935         MSG_WriteByte (&client->netconnection->message, 0);
 936
 937 // send music
 938         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
 939         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
 940         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
 941
 942 // set view
 943 // store this in clientcamera, too
 944         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
 945         MSG_WriteByte (&client->netconnection->message, svc_setview);
 946         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
 947
 948         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
 949         MSG_WriteByte (&client->netconnection->message, 1);
 950
 951         client->spawned = false;                // need prespawn, spawn, etc
 952         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
 953
 954         // clear movement info until client enters the new level properly
 955         memset(&client->cmd, 0, sizeof(client->cmd));
 956         client->movesequence = 0;
 957         client->movement_highestsequence_seen = 0;
 958         memset(&client->movement_count, 0, sizeof(client->movement_count));
 959 #ifdef NUM_PING_TIMES
 960         for (i = 0;i < NUM_PING_TIMES;i++)
 961                 client->ping_times[i] = 0;
 962         client->num_pings = 0;
 963 #endif
 964         client->ping = 0;
 965
 966         // allow the client some time to send his keepalives, even if map loading took ages
 967         client->netconnection->timeout = realtime + net_connecttimeout.value;
 968 }
 969
 970 /*
 971 ================
 972 SV_ConnectClient
 973
 974 Initializes a client_t for a new net connection.  This will only be called
 975 once for a player each game, not once for each level change.
 976 ================
 977 */
 978 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
 979 {
 980         client_t                *client;
 981         int                             i;
 982         float                   spawn_parms[NUM_SPAWN_PARMS];
 983
 984         client = svs.clients + clientnum;
 985
 986 // set up the client_t
 987         if (sv.loadgame)
 988                 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
 989         memset (client, 0, sizeof(*client));
 990         client->active = true;
 991         client->netconnection = netconnection;
 992
 993         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
 994
 995         strlcpy(client->name, "unconnected", sizeof(client->name));
 996         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
 997         client->spawned = false;
 998         client->edict = PRVM_EDICT_NUM(clientnum+1);
 999         if (client->netconnection)
1000                 client->netconnection->message.allowoverflow = true;            // we can catch it
1001         // prepare the unreliable message buffer
1002         client->unreliablemsg.data = client->unreliablemsg_data;
1003         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
1004         // updated by receiving "rate" command from client, this is also the default if not using a DP client
1005         client->rate = 1000000000;
1006         // no limits for local player
1007         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
1008                 client->rate = 1000000000;
1009         client->connecttime = realtime;
1010
1011         if (sv.loadgame)
1012                 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
1013         else
1014         {
1015                 // call the progs to get default spawn parms for the new client
1016                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
1017                 prog->globals.server->self = 0;
1018                 PRVM_ExecuteProgram (prog->globals.server->SetNewParms, "QC function SetNewParms is missing");
1019                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1020                         client->spawn_parms[i] = (&prog->globals.server->parm1)[i];
1021
1022                 // set up the entity for this client (including .colormap, .team, etc)
1023                 PRVM_ED_ClearEdict(client->edict);
1024         }
1025
1026         // don't call SendServerinfo for a fresh botclient because its fields have
1027         // not been set up by the qc yet
1028         if (client->netconnection)
1029                 SV_SendServerinfo (client);
1030         else
1031                 client->spawned = true;
1032 }
1033
1034
1035 /*
1036 ===============================================================================
1037
1038 FRAME UPDATES
1039
1040 ===============================================================================
1041 */
1042
1043 /*
1044 =============================================================================
1045
1046 The PVS must include a small area around the client to allow head bobbing
1047 or other small motion on the client side.  Otherwise, a bob might cause an
1048 entity that should be visible to not show up, especially when the bob
1049 crosses a waterline.
1050
1051 =============================================================================
1052 */
1053
1054 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1055 {
1056         int i;
1057         unsigned int sendflags;
1058         unsigned int version;
1059         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1060         unsigned int customizeentityforclient;
1061         unsigned int sendentity;
1062         float f;
1063         vec3_t cullmins, cullmaxs;
1064         dp_model_t *model;
1065         prvm_eval_t *val, *val2;
1066
1067         // fast path for games that do not use legacy entity networking
1068         // note: still networks clients even if they are legacy
1069         sendentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendEntity)->function;
1070         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1071                 return false;
1072
1073         // this 2 billion unit check is actually to detect NAN origins
1074         // (we really don't want to send those)
1075         if (!(VectorLength2(ent->fields.server->origin) < 2000000000.0*2000000000.0))
1076                 return false;
1077
1078         // EF_NODRAW prevents sending for any reason except for your own
1079         // client, so we must keep all clients in this superset
1080         effects = (unsigned)ent->fields.server->effects;
1081
1082         // we can omit invisible entities with no effects that are not clients
1083         // LordHavoc: this could kill tags attached to an invisible entity, I
1084         // just hope we never have to support that case
1085         i = (int)ent->fields.server->modelindex;
1086         modelindex = (i >= 1 && i < MAX_MODELS && ent->fields.server->model && *PRVM_GetString(ent->fields.server->model) && sv.models[i]) ? i : 0;
1087
1088         flags = 0;
1089         i = (int)(PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_size)->_float * 0.25f);
1090         glowsize = (unsigned char)bound(0, i, 255);
1091         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_trail)->_float)
1092                 flags |= RENDER_GLOWTRAIL;
1093         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict)
1094                 flags |= RENDER_VIEWMODEL;
1095
1096         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[0]*256;
1097         light[0] = (unsigned short)bound(0, f, 65535);
1098         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[1]*256;
1099         light[1] = (unsigned short)bound(0, f, 65535);
1100         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[2]*256;
1101         light[2] = (unsigned short)bound(0, f, 65535);
1102         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.light_lev)->_float;
1103         light[3] = (unsigned short)bound(0, f, 65535);
1104         lightstyle = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.style)->_float;
1105         lightpflags = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.pflags)->_float;
1106
1107         if (gamemode == GAME_TENEBRAE)
1108         {
1109                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1110                 if (effects & 16)
1111                 {
1112                         effects &= ~16;
1113                         lightpflags |= PFLAGS_FULLDYNAMIC;
1114                 }
1115                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1116                 if (effects & 32)
1117                 {
1118                         effects &= ~32;
1119                         light[0] = (int)(0.2*256);
1120                         light[1] = (int)(1.0*256);
1121                         light[2] = (int)(0.2*256);
1122                         light[3] = 200;
1123                         lightpflags |= PFLAGS_FULLDYNAMIC;
1124                 }
1125         }
1126
1127         specialvisibilityradius = 0;
1128         if (lightpflags & PFLAGS_FULLDYNAMIC)
1129                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1130         if (glowsize)
1131                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1132         if (flags & RENDER_GLOWTRAIL)
1133                 specialvisibilityradius = max(specialvisibilityradius, 100);
1134         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1135         {
1136                 if (effects & EF_BRIGHTFIELD)
1137                         specialvisibilityradius = max(specialvisibilityradius, 80);
1138                 if (effects & EF_MUZZLEFLASH)
1139                         specialvisibilityradius = max(specialvisibilityradius, 100);
1140                 if (effects & EF_BRIGHTLIGHT)
1141                         specialvisibilityradius = max(specialvisibilityradius, 400);
1142                 if (effects & EF_DIMLIGHT)
1143                         specialvisibilityradius = max(specialvisibilityradius, 200);
1144                 if (effects & EF_RED)
1145                         specialvisibilityradius = max(specialvisibilityradius, 200);
1146                 if (effects & EF_BLUE)
1147                         specialvisibilityradius = max(specialvisibilityradius, 200);
1148                 if (effects & EF_FLAME)
1149                         specialvisibilityradius = max(specialvisibilityradius, 250);
1150                 if (effects & EF_STARDUST)
1151                         specialvisibilityradius = max(specialvisibilityradius, 100);
1152         }
1153
1154         // early culling checks
1155         // (final culling is done by SV_MarkWriteEntityStateToClient)
1156         customizeentityforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.customizeentityforclient)->function;
1157         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1158                 return false;
1159
1160         *cs = defaultstate;
1161         cs->active = ACTIVE_NETWORK;
1162         cs->number = enumber;
1163         VectorCopy(ent->fields.server->origin, cs->origin);
1164         VectorCopy(ent->fields.server->angles, cs->angles);
1165         cs->flags = flags;
1166         cs->effects = effects;
1167         cs->colormap = (unsigned)ent->fields.server->colormap;
1168         cs->modelindex = modelindex;
1169         cs->skin = (unsigned)ent->fields.server->skin;
1170         cs->frame = (unsigned)ent->fields.server->frame;
1171         cs->viewmodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict;
1172         cs->exteriormodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.exteriormodeltoclient)->edict;
1173         cs->nodrawtoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.nodrawtoclient)->edict;
1174         cs->drawonlytoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.drawonlytoclient)->edict;
1175         cs->customizeentityforclient = customizeentityforclient;
1176         cs->tagentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_entity)->edict;
1177         cs->tagindex = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_index)->_float;
1178         cs->glowsize = glowsize;
1179
1180         // don't need to init cs->colormod because the defaultstate did that for us
1181         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1182         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.colormod);
1183         if (val->vector[0] || val->vector[1] || val->vector[2])
1184         {
1185                 i = (int)(val->vector[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1186                 i = (int)(val->vector[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1187                 i = (int)(val->vector[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1188         }
1189
1190         // don't need to init cs->glowmod because the defaultstate did that for us
1191         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1192         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glowmod);
1193         if (val->vector[0] || val->vector[1] || val->vector[2])
1194         {
1195                 i = (int)(val->vector[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1196                 i = (int)(val->vector[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1197                 i = (int)(val->vector[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1198         }
1199
1200         cs->modelindex = modelindex;
1201
1202         cs->alpha = 255;
1203         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.alpha)->_float * 255.0f);
1204         if (f)
1205         {
1206                 i = (int)f;
1207                 cs->alpha = (unsigned char)bound(0, i, 255);
1208         }
1209         // halflife
1210         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.renderamt)->_float);
1211         if (f)
1212         {
1213                 i = (int)f;
1214                 cs->alpha = (unsigned char)bound(0, i, 255);
1215         }
1216
1217         cs->scale = 16;
1218         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.scale)->_float * 16.0f);
1219         if (f)
1220         {
1221                 i = (int)f;
1222                 cs->scale = (unsigned char)bound(0, i, 255);
1223         }
1224
1225         cs->glowcolor = 254;
1226         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_color)->_float);
1227         if (f)
1228                 cs->glowcolor = (int)f;
1229
1230         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.fullbright)->_float)
1231                 cs->effects |= EF_FULLBRIGHT;
1232
1233         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.modelflags);
1234         if (val && val->_float)
1235                 cs->effects |= ((unsigned int)val->_float & 0xff) << 24;
1236
1237         if (ent->fields.server->movetype == MOVETYPE_STEP)
1238                 cs->flags |= RENDER_STEP;
1239         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)
1240                 cs->flags |= RENDER_LOWPRECISION;
1241         if (ent->fields.server->colormap >= 1024)
1242                 cs->flags |= RENDER_COLORMAPPED;
1243         if (cs->viewmodelforclient)
1244                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1245
1246         cs->light[0] = light[0];
1247         cs->light[1] = light[1];
1248         cs->light[2] = light[2];
1249         cs->light[3] = light[3];
1250         cs->lightstyle = lightstyle;
1251         cs->lightpflags = lightpflags;
1252
1253         cs->specialvisibilityradius = specialvisibilityradius;
1254
1255         // calculate the visible box of this entity (don't use the physics box
1256         // as that is often smaller than a model, and would not count
1257         // specialvisibilityradius)
1258         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1259         {
1260                 float scale = cs->scale * (1.0f / 16.0f);
1261                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1262                 {
1263                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1264                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1265                 }
1266                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1267                 {
1268                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1269                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1270                 }
1271                 else
1272                 {
1273                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1274                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1275                 }
1276         }
1277         else
1278         {
1279                 // if there is no model (or it could not be loaded), use the physics box
1280                 VectorAdd(cs->origin, ent->fields.server->mins, cullmins);
1281                 VectorAdd(cs->origin, ent->fields.server->maxs, cullmaxs);
1282         }
1283         if (specialvisibilityradius)
1284         {
1285                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1286                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1287                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1288                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1289                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1290                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1291         }
1292
1293         // calculate center of bbox for network prioritization purposes
1294         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1295
1296         // if culling box has moved, update pvs cluster links
1297         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1298         {
1299                 VectorCopy(cullmins, ent->priv.server->cullmins);
1300                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1301                 // a value of -1 for pvs_numclusters indicates that the links are not
1302                 // cached, and should be re-tested each time, this is the case if the
1303                 // culling box touches too many pvs clusters to store, or if the world
1304                 // model does not support FindBoxClusters
1305                 ent->priv.server->pvs_numclusters = -1;
1306                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1307                 {
1308                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1309                         if (i <= MAX_ENTITYCLUSTERS)
1310                                 ent->priv.server->pvs_numclusters = i;
1311                 }
1312         }
1313
1314         // we need to do some csqc entity upkeep here
1315         // get self.SendFlags and clear them
1316         // (to let the QC know that they've been read)
1317         if (sendentity)
1318         {
1319                 val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendFlags);
1320                 sendflags = (unsigned int)val->_float;
1321                 val->_float = 0;
1322                 // legacy self.Version system
1323                 val2 = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.Version);
1324                 if (val2->_float)
1325                 {
1326                         version = (unsigned int)val2->_float;
1327                         if (sv.csqcentityversion[enumber] != version)
1328                                 sendflags = 0xFFFFFF;
1329                         sv.csqcentityversion[enumber] = version;
1330                 }
1331                 // move sendflags into the per-client sendflags
1332                 if (sendflags)
1333                         for (i = 0;i < svs.maxclients;i++)
1334                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1335                 // mark it as inactive for non-csqc networking
1336                 cs->active = ACTIVE_SHARED;
1337         }
1338
1339         return true;
1340 }
1341
1342 void SV_PrepareEntitiesForSending(void)
1343 {
1344         int e;
1345         prvm_edict_t *ent;
1346         // send all entities that touch the pvs
1347         sv.numsendentities = 0;
1348         sv.sendentitiesindex[0] = NULL;
1349         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1350         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1351         {
1352                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1353                 {
1354                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1355                         sv.numsendentities++;
1356                 }
1357         }
1358 }
1359
1360 #define MAX_LINEOFSIGHTTRACES 64
1361
1362 qboolean SV_CanSeeBox(int numtraces, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1363 {
1364         float pitchsign;
1365         float alpha;
1366         float starttransformed[3], endtransformed[3];
1367         int blocked = 0;
1368         int traceindex;
1369         int originalnumtouchedicts;
1370         int numtouchedicts = 0;
1371         int touchindex;
1372         matrix4x4_t matrix, imatrix;
1373         dp_model_t *model;
1374         prvm_edict_t *touch;
1375         static prvm_edict_t *touchedicts[MAX_EDICTS];
1376         vec3_t boxmins, boxmaxs;
1377         vec3_t clipboxmins, clipboxmaxs;
1378         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1379
1380         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1381
1382         // expand the box a little
1383         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
1384         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
1385         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
1386         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
1387         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
1388         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
1389
1390         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1391         for (traceindex = 1;traceindex < numtraces;traceindex++)
1392                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1393
1394         // calculate sweep box for the entire swarm of traces
1395         VectorCopy(eye, clipboxmins);
1396         VectorCopy(eye, clipboxmaxs);
1397         for (traceindex = 0;traceindex < numtraces;traceindex++)
1398         {
1399                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1400                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1401                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1402                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1403                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1404                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1405         }
1406
1407         // get the list of entities in the sweep box
1408         if (sv_cullentities_trace_entityocclusion.integer)
1409                 numtouchedicts = World_EntitiesInBox(&sv.world, clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1410         if (numtouchedicts > MAX_EDICTS)
1411         {
1412                 // this never happens
1413                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1414                 numtouchedicts = MAX_EDICTS;
1415         }
1416         // iterate the entities found in the sweep box and filter them
1417         originalnumtouchedicts = numtouchedicts;
1418         numtouchedicts = 0;
1419         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1420         {
1421                 touch = touchedicts[touchindex];
1422                 if (touch->fields.server->solid != SOLID_BSP)
1423                         continue;
1424                 model = SV_GetModelFromEdict(touch);
1425                 if (!model || !model->brush.TraceLineOfSight)
1426                         continue;
1427                 // skip obviously transparent entities
1428                 alpha = PRVM_EDICTFIELDVALUE(touch, prog->fieldoffsets.alpha)->_float;
1429                 if (alpha && alpha < 1)
1430                         continue;
1431                 if ((int)touch->fields.server->effects & EF_ADDITIVE)
1432                         continue;
1433                 touchedicts[numtouchedicts++] = touch;
1434         }
1435
1436         // now that we have a filtered list of "interesting" entities, fire each
1437         // ray against all of them, this gives us an early-out case when something
1438         // is visible (which it often is)
1439
1440         for (traceindex = 0;traceindex < numtraces;traceindex++)
1441         {
1442                 // check world occlusion
1443                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1444                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, eye, endpoints[traceindex]))
1445                                 continue;
1446                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1447                 {
1448                         touch = touchedicts[touchindex];
1449                         model = SV_GetModelFromEdict(touch);
1450                         if(model && model->brush.TraceLineOfSight)
1451                         {
1452                                 // get the entity matrix
1453                                 pitchsign = SV_GetPitchSign(touch);
1454                                 Matrix4x4_CreateFromQuakeEntity(&matrix, touch->fields.server->origin[0], touch->fields.server->origin[1], touch->fields.server->origin[2], pitchsign * touch->fields.server->angles[0], touch->fields.server->angles[1], touch->fields.server->angles[2], 1);
1455                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1456                                 // see if the ray hits this entity
1457                                 Matrix4x4_Transform(&imatrix, eye, starttransformed);
1458                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1459                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed))
1460                                 {
1461                                         blocked++;
1462                                         break;
1463                                 }
1464                         }
1465                 }
1466                 // check if the ray was blocked
1467                 if (touchindex < numtouchedicts)
1468                         continue;
1469                 // return if the ray was not blocked
1470                 return true;
1471         }
1472
1473         // no rays survived
1474         return false;
1475 }
1476
1477 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1478 {
1479         int isbmodel;
1480         dp_model_t *model;
1481         prvm_edict_t *ed;
1482         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1483                 return;
1484         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1485         sv.writeentitiestoclient_stats_totalentities++;
1486
1487         if (s->customizeentityforclient)
1488         {
1489                 prog->globals.server->self = s->number;
1490                 prog->globals.server->other = sv.writeentitiestoclient_cliententitynumber;
1491                 PRVM_ExecuteProgram(s->customizeentityforclient, "customizeentityforclient: NULL function");
1492                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1493                         return;
1494         }
1495
1496         // never reject player
1497         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1498         {
1499                 // check various rejection conditions
1500                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1501                         return;
1502                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1503                         return;
1504                 if (s->effects & EF_NODRAW)
1505                         return;
1506                 // LordHavoc: only send entities with a model or important effects
1507                 if (!s->modelindex && s->specialvisibilityradius == 0)
1508                         return;
1509
1510                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1511                 // viewmodels don't have visibility checking
1512                 if (s->viewmodelforclient)
1513                 {
1514                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1515                                 return;
1516                 }
1517                 else if (s->tagentity)
1518                 {
1519                         // tag attached entities simply check their parent
1520                         if (!sv.sendentitiesindex[s->tagentity])
1521                                 return;
1522                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1523                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1524                                 return;
1525                 }
1526                 // always send world submodels in newer protocols because they don't
1527                 // generate much traffic (in old protocols they hog bandwidth)
1528                 // but only if sv_cullentities_nevercullbmodels is off
1529                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1530                 {
1531                         // entity has survived every check so far, check if visible
1532                         ed = PRVM_EDICT_NUM(s->number);
1533
1534                         // if not touching a visible leaf
1535                         if (sv_cullentities_pvs.integer && !r_novis.integer && sv.writeentitiestoclient_pvsbytes)
1536                         {
1537                                 if (ed->priv.server->pvs_numclusters < 0)
1538                                 {
1539                                         // entity too big for clusters list
1540                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1541                                         {
1542                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1543                                                 return;
1544                                         }
1545                                 }
1546                                 else
1547                                 {
1548                                         int i;
1549                                         // check cached clusters list
1550                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1551                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1552                                                         break;
1553                                         if (i == ed->priv.server->pvs_numclusters)
1554                                         {
1555                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1556                                                 return;
1557                                         }
1558                                 }
1559                         }
1560
1561                         // or not seen by random tracelines
1562                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel->brush.TraceLineOfSight)
1563                         {
1564                                 int samples =
1565                                         s->number <= svs.maxclients
1566                                                 ? sv_cullentities_trace_samples_players.integer
1567                                                 :
1568                                         s->specialvisibilityradius
1569                                                 ? sv_cullentities_trace_samples_extra.integer
1570                                                 : sv_cullentities_trace_samples.integer;
1571                                 float enlarge = sv_cullentities_trace_enlarge.value;
1572
1573                                 if(samples > 0)
1574                                 {
1575                                         int eyeindex;
1576                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1577                                                 if(SV_CanSeeBox(samples, enlarge, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1578                                                         break;
1579                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1580                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1581                                                         realtime + (
1582                                                                 s->number <= svs.maxclients
1583                                                                         ? sv_cullentities_trace_delay_players.value
1584                                                                         : sv_cullentities_trace_delay.value
1585                                                         );
1586                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1587                                         {
1588                                                 sv.writeentitiestoclient_stats_culled_trace++;
1589                                                 return;
1590                                         }
1591                                 }
1592                         }
1593                 }
1594         }
1595
1596         // this just marks it for sending
1597         // FIXME: it would be more efficient to send here, but the entity
1598         // compressor isn't that flexible
1599         sv.writeentitiestoclient_stats_visibleentities++;
1600         sv.sententities[s->number] = sv.sententitiesmark;
1601 }
1602
1603 #if MAX_LEVELNETWORKEYES > 0
1604 #define MAX_EYE_RECURSION 1 // increase if recursion gets supported by portals
1605 void SV_AddCameraEyes(void)
1606 {
1607         int e, i, j, k;
1608         prvm_edict_t *ed;
1609         static int cameras[MAX_LEVELNETWORKEYES];
1610         static vec3_t camera_origins[MAX_LEVELNETWORKEYES];
1611         static int eye_levels[MAX_CLIENTNETWORKEYES];
1612         int n_cameras = 0;
1613         vec3_t mi, ma;
1614         prvm_eval_t *valendpos, *val;
1615
1616         if(!prog->fieldoffsets.camera_transform)
1617                 return;
1618         valendpos = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_endpos);
1619         if(!valendpos)
1620                 return;
1621
1622         for(i = 0; i < sv.writeentitiestoclient_numeyes; ++i)
1623                 eye_levels[i] = 0;
1624
1625         // check line of sight to portal entities and add them to PVS
1626         for (e = 1, ed = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ed = PRVM_NEXT_EDICT(ed))
1627         {
1628                 if (!ed->priv.server->free)
1629                 {
1630                         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.camera_transform)) && val->function)
1631                         {
1632                                 prog->globals.server->self = e;
1633                                 prog->globals.server->other = sv.writeentitiestoclient_cliententitynumber;
1634                                 VectorCopy(sv.writeentitiestoclient_eyes[0], valendpos->vector);
1635                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_G_VECTOR(OFS_PARM0));
1636                                 VectorClear(PRVM_G_VECTOR(OFS_PARM1));
1637                                 PRVM_ExecuteProgram(val->function, "QC function e.camera_transform is missing");
1638                                 if(!VectorCompare(valendpos->vector, sv.writeentitiestoclient_eyes[0]))
1639                                 {
1640                                         VectorCopy(valendpos->vector, camera_origins[n_cameras]);
1641                                         cameras[n_cameras] = e;
1642                                         ++n_cameras;
1643                                         if(n_cameras >= MAX_LEVELNETWORKEYES)
1644                                                 break;
1645                                 }
1646                         }
1647                 }
1648         }
1649
1650         if(!n_cameras)
1651                 return;
1652
1653         // i is loop counter, is reset to 0 when an eye got added
1654         // j is camera index to check
1655         for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras)
1656         {
1657                 if(!cameras[j])
1658                         continue;
1659                 ed = PRVM_EDICT_NUM(cameras[j]);
1660                 VectorAdd(ed->fields.server->origin, ed->fields.server->mins, mi);
1661                 VectorAdd(ed->fields.server->origin, ed->fields.server->maxs, ma);
1662                 for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k)
1663                 if(eye_levels[k] <= MAX_EYE_RECURSION)
1664                 {
1665                         if(SV_CanSeeBox(sv_cullentities_trace_samples.integer, sv_cullentities_trace_enlarge.value, sv.writeentitiestoclient_eyes[k], mi, ma))
1666                         {
1667                                 eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1;
1668                                 VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1669                                 // 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);
1670                                 sv.writeentitiestoclient_numeyes++;
1671                                 cameras[j] = 0;
1672                                 i = 0;
1673                                 break;
1674                         }
1675                 }
1676         }
1677 }
1678 #else
1679 void SV_AddCameraEyes(void)
1680 {
1681 }
1682 #endif
1683
1684 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1685 {
1686         qboolean need_empty = false;
1687         int i, numsendstates, numcsqcsendstates;
1688         entity_state_t *s;
1689         prvm_edict_t *camera;
1690         qboolean success;
1691         vec3_t eye;
1692
1693         // if there isn't enough space to accomplish anything, skip it
1694         if (msg->cursize + 25 > maxsize)
1695                 return;
1696
1697         sv.writeentitiestoclient_msg = msg;
1698         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1699
1700         sv.writeentitiestoclient_stats_culled_pvs = 0;
1701         sv.writeentitiestoclient_stats_culled_trace = 0;
1702         sv.writeentitiestoclient_stats_visibleentities = 0;
1703         sv.writeentitiestoclient_stats_totalentities = 0;
1704         sv.writeentitiestoclient_numeyes = 0;
1705
1706         // get eye location
1707         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1708         camera = PRVM_EDICT_NUM( client->clientcamera );
1709         VectorAdd(camera->fields.server->origin, clent->fields.server->view_ofs, eye);
1710         sv.writeentitiestoclient_pvsbytes = 0;
1711         // get the PVS values for the eye location, later FatPVS calls will merge
1712         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1713                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1714
1715         // add the eye to a list for SV_CanSeeBox tests
1716         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1717         sv.writeentitiestoclient_numeyes++;
1718
1719         // calculate predicted eye origin for SV_CanSeeBox tests
1720         if (sv_cullentities_trace_prediction.integer)
1721         {
1722                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1723                 vec3_t predeye;
1724                 VectorMA(eye, predtime, camera->fields.server->velocity, predeye);
1725                 if (SV_CanSeeBox(1, 0, eye, predeye, predeye))
1726                 {
1727                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1728                         sv.writeentitiestoclient_numeyes++;
1729                 }
1730                 //if (!sv.writeentitiestoclient_useprediction)
1731                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1732         }
1733
1734         SV_AddCameraEyes();
1735
1736         // build PVS from the new eyes
1737         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1738                 for(i = 1; i < sv.writeentitiestoclient_numeyes; ++i)
1739                         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);
1740
1741         sv.sententitiesmark++;
1742
1743         for (i = 0;i < sv.numsendentities;i++)
1744                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1745
1746         numsendstates = 0;
1747         numcsqcsendstates = 0;
1748         for (i = 0;i < sv.numsendentities;i++)
1749         {
1750                 s = &sv.sendentities[i];
1751                 if (sv.sententities[s->number] == sv.sententitiesmark)
1752                 {
1753                         if(s->active == ACTIVE_NETWORK)
1754                         {
1755                                 if (s->exteriormodelforclient)
1756                                 {
1757                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1758                                                 s->flags |= RENDER_EXTERIORMODEL;
1759                                         else
1760                                                 s->flags &= ~RENDER_EXTERIORMODEL;
1761                                 }
1762                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
1763                         }
1764                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1765                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
1766                         else
1767                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
1768                 }
1769         }
1770
1771         if (sv_cullentities_stats.integer)
1772                 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);
1773
1774         if(client->entitydatabase5)
1775                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1776         else
1777                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1778
1779         if(client->num_skippedentityframes >= 10)
1780                 need_empty = true; // force every 10th frame to be not empty (or cl_movement replay takes too long)
1781
1782         if (client->entitydatabase5)
1783                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1784         else if (client->entitydatabase4)
1785         {
1786                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1787                 Protocol_WriteStatsReliable();
1788         }
1789         else if (client->entitydatabase)
1790         {
1791                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1792                 Protocol_WriteStatsReliable();
1793         }
1794         else
1795         {
1796                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1797                 Protocol_WriteStatsReliable();
1798         }
1799
1800         if(success)
1801                 client->num_skippedentityframes = 0;
1802         else
1803                 ++client->num_skippedentityframes;
1804 }
1805
1806 /*
1807 =============
1808 SV_CleanupEnts
1809
1810 =============
1811 */
1812 static void SV_CleanupEnts (void)
1813 {
1814         int             e;
1815         prvm_edict_t    *ent;
1816
1817         ent = PRVM_NEXT_EDICT(prog->edicts);
1818         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1819                 ent->fields.server->effects = (int)ent->fields.server->effects & ~EF_MUZZLEFLASH;
1820 }
1821
1822 /*
1823 ==================
1824 SV_WriteClientdataToMessage
1825
1826 ==================
1827 */
1828 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1829 {
1830         int             bits;
1831         int             i;
1832         prvm_edict_t    *other;
1833         int             items;
1834         prvm_eval_t     *val;
1835         vec3_t  punchvector;
1836         int             viewzoom;
1837         const char *s;
1838         float   *statsf = (float *)stats;
1839
1840 //
1841 // send a damage message
1842 //
1843         if (ent->fields.server->dmg_take || ent->fields.server->dmg_save)
1844         {
1845                 other = PRVM_PROG_TO_EDICT(ent->fields.server->dmg_inflictor);
1846                 MSG_WriteByte (msg, svc_damage);
1847                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_save);
1848                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_take);
1849                 for (i=0 ; i<3 ; i++)
1850                         MSG_WriteCoord (msg, other->fields.server->origin[i] + 0.5*(other->fields.server->mins[i] + other->fields.server->maxs[i]), sv.protocol);
1851
1852                 ent->fields.server->dmg_take = 0;
1853                 ent->fields.server->dmg_save = 0;
1854         }
1855
1856 //
1857 // send the current viewpos offset from the view entity
1858 //
1859         SV_SetIdealPitch ();            // how much to look up / down ideally
1860
1861 // a fixangle might get lost in a dropped packet.  Oh well.
1862         if(ent->fields.server->fixangle)
1863         {
1864                 // angle fixing was requested by global thinking code...
1865                 // so store the current angles for later use
1866                 memcpy(host_client->fixangle_angles, ent->fields.server->angles, sizeof(host_client->fixangle_angles));
1867                 host_client->fixangle_angles_set = TRUE;
1868
1869                 // and clear fixangle for the next frame
1870                 ent->fields.server->fixangle = 0;
1871         }
1872
1873         if (host_client->fixangle_angles_set)
1874         {
1875                 MSG_WriteByte (msg, svc_setangle);
1876                 for (i=0 ; i < 3 ; i++)
1877                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
1878                 host_client->fixangle_angles_set = FALSE;
1879         }
1880
1881         // stuff the sigil bits into the high bits of items for sbar, or else
1882         // mix in items2
1883         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.items2);
1884         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1885                 items = (int)ent->fields.server->items | ((int)val->_float << 23);
1886         else
1887                 items = (int)ent->fields.server->items | ((int)prog->globals.server->serverflags << 28);
1888
1889         VectorClear(punchvector);
1890         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.punchvector)))
1891                 VectorCopy(val->vector, punchvector);
1892
1893         // cache weapon model name and index in client struct to save time
1894         // (this search can be almost 1% of cpu time!)
1895         s = PRVM_GetString(ent->fields.server->weaponmodel);
1896         if (strcmp(s, client->weaponmodel))
1897         {
1898                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
1899                 client->weaponmodelindex = SV_ModelIndex(s, 1);
1900         }
1901
1902         viewzoom = 255;
1903         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewzoom)))
1904                 viewzoom = (int)(val->_float * 255.0f);
1905         if (viewzoom == 0)
1906                 viewzoom = 255;
1907
1908         bits = 0;
1909
1910         if ((int)ent->fields.server->flags & FL_ONGROUND)
1911                 bits |= SU_ONGROUND;
1912         if (ent->fields.server->waterlevel >= 2)
1913                 bits |= SU_INWATER;
1914         if (ent->fields.server->idealpitch)
1915                 bits |= SU_IDEALPITCH;
1916
1917         for (i=0 ; i<3 ; i++)
1918         {
1919                 if (ent->fields.server->punchangle[i])
1920                         bits |= (SU_PUNCH1<<i);
1921                 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)
1922                         if (punchvector[i])
1923                                 bits |= (SU_PUNCHVEC1<<i);
1924                 if (ent->fields.server->velocity[i])
1925                         bits |= (SU_VELOCITY1<<i);
1926         }
1927
1928         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
1929         stats[STAT_VIEWHEIGHT] = (int)ent->fields.server->view_ofs[2];
1930         stats[STAT_ITEMS] = items;
1931         stats[STAT_WEAPONFRAME] = (int)ent->fields.server->weaponframe;
1932         stats[STAT_ARMOR] = (int)ent->fields.server->armorvalue;
1933         stats[STAT_WEAPON] = client->weaponmodelindex;
1934         stats[STAT_HEALTH] = (int)ent->fields.server->health;
1935         stats[STAT_AMMO] = (int)ent->fields.server->currentammo;
1936         stats[STAT_SHELLS] = (int)ent->fields.server->ammo_shells;
1937         stats[STAT_NAILS] = (int)ent->fields.server->ammo_nails;
1938         stats[STAT_ROCKETS] = (int)ent->fields.server->ammo_rockets;
1939         stats[STAT_CELLS] = (int)ent->fields.server->ammo_cells;
1940         stats[STAT_ACTIVEWEAPON] = (int)ent->fields.server->weapon;
1941         stats[STAT_VIEWZOOM] = viewzoom;
1942         stats[STAT_TOTALSECRETS] = (int)prog->globals.server->total_secrets;
1943         stats[STAT_TOTALMONSTERS] = (int)prog->globals.server->total_monsters;
1944         // the QC bumps these itself by sending svc_'s, so we have to keep them
1945         // zero or they'll be corrected by the engine
1946         //stats[STAT_SECRETS] = prog->globals.server->found_secrets;
1947         //stats[STAT_MONSTERS] = prog->globals.server->killed_monsters;
1948
1949         // movement settings for prediction
1950         // note: these are not sent in protocols with lower MAX_CL_STATS limits
1951         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
1952                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
1953                 | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0)
1954                 | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0)
1955         ;
1956         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
1957         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
1958         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
1959         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
1960         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
1961         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
1962         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
1963         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
1964         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
1965         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.gravity);
1966         statsf[STAT_MOVEVARS_ENTGRAVITY] = (val && val->_float != 0) ? val->_float : 1.0f;
1967         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
1968         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
1969         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
1970         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
1971         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
1972         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
1973         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
1974         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
1975         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
1976         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
1977         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
1978         statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value;
1979         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
1980         statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value;
1981         statsf[STAT_MOVEVARS_AIRCONTROL_PENALTY] = sv_aircontrol_penalty.value;
1982         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
1983         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
1984         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
1985         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
1986         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
1987         statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW] = sv_airspeedlimit_nonqw.value;
1988         statsf[STAT_FRAGLIMIT] = fraglimit.value;
1989         statsf[STAT_TIMELIMIT] = timelimit.value;
1990
1991         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)
1992         {
1993                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
1994                 bits |= SU_ITEMS;
1995                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
1996                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
1997                 bits |= SU_WEAPON;
1998                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
1999                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2000                         if (viewzoom != 255)
2001                                 bits |= SU_VIEWZOOM;
2002         }
2003
2004         if (bits >= 65536)
2005                 bits |= SU_EXTEND1;
2006         if (bits >= 16777216)
2007                 bits |= SU_EXTEND2;
2008
2009         // send the data
2010         MSG_WriteByte (msg, svc_clientdata);
2011         MSG_WriteShort (msg, bits);
2012         if (bits & SU_EXTEND1)
2013                 MSG_WriteByte(msg, bits >> 16);
2014         if (bits & SU_EXTEND2)
2015                 MSG_WriteByte(msg, bits >> 24);
2016
2017         if (bits & SU_VIEWHEIGHT)
2018                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
2019
2020         if (bits & SU_IDEALPITCH)
2021                 MSG_WriteChar (msg, (int)ent->fields.server->idealpitch);
2022
2023         for (i=0 ; i<3 ; i++)
2024         {
2025                 if (bits & (SU_PUNCH1<<i))
2026                 {
2027                         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)
2028                                 MSG_WriteChar(msg, (int)ent->fields.server->punchangle[i]);
2029                         else
2030                                 MSG_WriteAngle16i(msg, ent->fields.server->punchangle[i]);
2031                 }
2032                 if (bits & (SU_PUNCHVEC1<<i))
2033                 {
2034                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2035                                 MSG_WriteCoord16i(msg, punchvector[i]);
2036                         else
2037                                 MSG_WriteCoord32f(msg, punchvector[i]);
2038                 }
2039                 if (bits & (SU_VELOCITY1<<i))
2040                 {
2041                         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)
2042                                 MSG_WriteChar(msg, (int)(ent->fields.server->velocity[i] * (1.0f / 16.0f)));
2043                         else
2044                                 MSG_WriteCoord32f(msg, ent->fields.server->velocity[i]);
2045                 }
2046         }
2047
2048         if (bits & SU_ITEMS)
2049                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
2050
2051         if (sv.protocol == PROTOCOL_DARKPLACES5)
2052         {
2053                 if (bits & SU_WEAPONFRAME)
2054                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
2055                 if (bits & SU_ARMOR)
2056                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
2057                 if (bits & SU_WEAPON)
2058                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
2059                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2060                 MSG_WriteShort (msg, stats[STAT_AMMO]);
2061                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
2062                 MSG_WriteShort (msg, stats[STAT_NAILS]);
2063                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
2064                 MSG_WriteShort (msg, stats[STAT_CELLS]);
2065                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
2066                 if (bits & SU_VIEWZOOM)
2067                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2068         }
2069         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)
2070         {
2071                 if (bits & SU_WEAPONFRAME)
2072                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
2073                 if (bits & SU_ARMOR)
2074                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
2075                 if (bits & SU_WEAPON)
2076                 {
2077                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2078                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
2079                         else
2080                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
2081                 }
2082                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2083                 MSG_WriteByte (msg, stats[STAT_AMMO]);
2084                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
2085                 MSG_WriteByte (msg, stats[STAT_NAILS]);
2086                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
2087                 MSG_WriteByte (msg, stats[STAT_CELLS]);
2088                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
2089                 {
2090                         for (i = 0;i < 32;i++)
2091                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
2092                                         break;
2093                         MSG_WriteByte (msg, i);
2094                 }
2095                 else
2096                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
2097                 if (bits & SU_VIEWZOOM)
2098                 {
2099                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2100                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
2101                         else
2102                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2103                 }
2104         }
2105 }
2106
2107 void SV_FlushBroadcastMessages(void)
2108 {
2109         int i;
2110         client_t *client;
2111         if (sv.datagram.cursize <= 0)
2112                 return;
2113         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2114         {
2115                 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])))
2116                         continue;
2117                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2118                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2119         }
2120         SZ_Clear(&sv.datagram);
2121 }
2122
2123 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2124 {
2125         // scan the splitpoints to find out how many we can fit in
2126         int numsegments, j, split;
2127         if (!client->unreliablemsg_splitpoints)
2128                 return;
2129         // always accept the first one if it's within 1024 bytes, this ensures
2130         // that very big datagrams which are over the rate limit still get
2131         // through, just to keep it working
2132         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2133                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2134                         break;
2135         // the first segment gets an exemption from the rate limiting, otherwise
2136         // it could get dropped consistently due to a low rate limit
2137         if (numsegments == 1)
2138                 maxsize = maxsize2;
2139         // some will fit, so add the ones that will fit
2140         split = client->unreliablemsg_splitpoint[numsegments-1];
2141         // note this discards ones that were accepted by the segments scan but
2142         // can not fit, such as a really huge first one that will never ever
2143         // fit in a packet...
2144         if (msg->cursize + split <= maxsize)
2145                 SZ_Write(msg, client->unreliablemsg.data, split);
2146         // remove the part we sent, keeping any remaining data
2147         client->unreliablemsg.cursize -= split;
2148         if (client->unreliablemsg.cursize > 0)
2149                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2150         // adjust remaining splitpoints
2151         client->unreliablemsg_splitpoints -= numsegments;
2152         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2153                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2154 }
2155
2156 /*
2157 =======================
2158 SV_SendClientDatagram
2159 =======================
2160 */
2161 static void SV_SendClientDatagram (client_t *client)
2162 {
2163         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2164         sizebuf_t msg;
2165         int stats[MAX_CL_STATS];
2166         static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2167
2168         // obey rate limit by limiting packet frequency if the packet size
2169         // limiting fails
2170         // (usually this is caused by reliable messages)
2171         if (!NetConn_CanSend(client->netconnection))
2172                 return;
2173
2174         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2175         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2176         if (sv_maxrate.integer != maxrate)
2177                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2178
2179         // clientrate determines the 'cleartime' of a packet
2180         // (how long to wait before sending another, based on this packet's size)
2181         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2182
2183         switch (sv.protocol)
2184         {
2185         case PROTOCOL_QUAKE:
2186         case PROTOCOL_QUAKEDP:
2187         case PROTOCOL_NEHAHRAMOVIE:
2188         case PROTOCOL_NEHAHRABJP:
2189         case PROTOCOL_NEHAHRABJP2:
2190         case PROTOCOL_NEHAHRABJP3:
2191         case PROTOCOL_QUAKEWORLD:
2192                 // no packet size limit support on Quake protocols because it just
2193                 // causes missing entities/effects
2194                 // packets are simply sent less often to obey the rate limit
2195                 maxsize = 1024;
2196                 maxsize2 = 1024;
2197                 break;
2198         case PROTOCOL_DARKPLACES1:
2199         case PROTOCOL_DARKPLACES2:
2200         case PROTOCOL_DARKPLACES3:
2201         case PROTOCOL_DARKPLACES4:
2202                 // no packet size limit support on DP1-4 protocols because they kick
2203                 // the client off if they overflow, and miss effects
2204                 // packets are simply sent less often to obey the rate limit
2205                 maxsize = sizeof(sv_sendclientdatagram_buf);
2206                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2207                 break;
2208         default:
2209                 // DP5 and later protocols support packet size limiting which is a
2210                 // better method than limiting packet frequency as QW does
2211                 //
2212                 // at very low rates (or very small sys_ticrate) the packet size is
2213                 // not reduced below 128, but packets may be sent less often
2214                 maxsize = (int)(clientrate * sys_ticrate.value);
2215                 maxsize = bound(128, maxsize, 1400);
2216                 maxsize2 = 1400;
2217                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2218                 // mods that use csqc (they are likely to use less bandwidth anyway)
2219                 if (sv.csqc_progsize > 0)
2220                         maxsize = maxsize2;
2221                 break;
2222         }
2223
2224         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2225         {
2226                 // for good singleplayer, send huge packets
2227                 maxsize = sizeof(sv_sendclientdatagram_buf);
2228                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2229                 // never limit frequency in singleplayer
2230                 clientrate = 1000000000;
2231         }
2232
2233         // while downloading, limit entity updates to half the packet
2234         // (any leftover space will be used for downloading)
2235         if (host_client->download_file)
2236                 maxsize /= 2;
2237
2238         msg.data = sv_sendclientdatagram_buf;
2239         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2240         msg.cursize = 0;
2241         msg.allowoverflow = false;
2242
2243         if (host_client->spawned)
2244         {
2245                 // the player is in the game
2246                 MSG_WriteByte (&msg, svc_time);
2247                 MSG_WriteFloat (&msg, sv.time);
2248
2249                 // add the client specific data to the datagram
2250                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2251                 // now update the stats[] array using any registered custom fields
2252                 VM_SV_UpdateCustomStats (client, client->edict, &msg, stats);
2253                 // set host_client->statsdeltabits
2254                 Protocol_UpdateClientStats (stats);
2255
2256                 // add as many queued unreliable messages (effects) as we can fit
2257                 // limit effects to half of the remaining space
2258                 if (client->unreliablemsg.cursize)
2259                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2260
2261                 // now write as many entities as we can fit, and also sends stats
2262                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2263         }
2264         else if (realtime > client->keepalivetime)
2265         {
2266                 // the player isn't totally in the game yet
2267                 // send small keepalive messages if too much time has passed
2268                 // (may also be sending downloads)
2269                 client->keepalivetime = realtime + 5;
2270                 MSG_WriteChar (&msg, svc_nop);
2271         }
2272
2273         // if a download is active, see if there is room to fit some download data
2274         // in this packet
2275         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2276         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2277         {
2278                 fs_offset_t downloadstart;
2279                 unsigned char data[1400];
2280                 downloadstart = FS_Tell(host_client->download_file);
2281                 downloadsize = min(downloadsize, (int)sizeof(data));
2282                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2283                 // note this sends empty messages if at the end of the file, which is
2284                 // necessary to keep the packet loss logic working
2285                 // (the last blocks may be lost and need to be re-sent, and that will
2286                 //  only occur if the client acks the empty end messages, revealing
2287                 //  a gap in the download progress, causing the last blocks to be
2288                 //  sent again)
2289                 MSG_WriteChar (&msg, svc_downloaddata);
2290                 MSG_WriteLong (&msg, downloadstart);
2291                 MSG_WriteShort (&msg, downloadsize);
2292                 if (downloadsize > 0)
2293                         SZ_Write (&msg, data, downloadsize);
2294         }
2295
2296         // reliable only if none is in progress
2297         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2298                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2299         // unreliable
2300         SV_WriteDemoMessage(client, &msg, false);
2301
2302 // send the datagram
2303         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2304         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2305                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2306 }
2307
2308 /*
2309 =======================
2310 SV_UpdateToReliableMessages
2311 =======================
2312 */
2313 static void SV_UpdateToReliableMessages (void)
2314 {
2315         int i, j;
2316         client_t *client;
2317         prvm_eval_t *val;
2318         const char *name;
2319         const char *model;
2320         const char *skin;
2321
2322 // check for changes to be sent over the reliable streams
2323         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2324         {
2325                 // update the host_client fields we care about according to the entity fields
2326                 host_client->edict = PRVM_EDICT_NUM(i+1);
2327
2328                 // DP_SV_CLIENTNAME
2329                 name = PRVM_GetString(host_client->edict->fields.server->netname);
2330                 if (name == NULL)
2331                         name = "";
2332                 // always point the string back at host_client->name to keep it safe
2333                 strlcpy (host_client->name, name, sizeof (host_client->name));
2334                 host_client->edict->fields.server->netname = PRVM_SetEngineString(host_client->name);
2335                 if (strcmp(host_client->old_name, host_client->name))
2336                 {
2337                         if (host_client->spawned)
2338                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2339                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2340                         // send notification to all clients
2341                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2342                         MSG_WriteByte (&sv.reliable_datagram, i);
2343                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2344                         SV_WriteNetnameIntoDemo(host_client);
2345                 }
2346
2347                 // DP_SV_CLIENTCOLORS
2348                 // this is always found (since it's added by the progs loader)
2349                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcolors)))
2350                         host_client->colors = (int)val->_float;
2351                 if (host_client->old_colors != host_client->colors)
2352                 {
2353                         host_client->old_colors = host_client->colors;
2354                         // send notification to all clients
2355                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2356                         MSG_WriteByte (&sv.reliable_datagram, i);
2357                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2358                 }
2359
2360                 // NEXUIZ_PLAYERMODEL
2361                 if( prog->fieldoffsets.playermodel >= 0 ) {
2362                         model = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string);
2363                         if (model == NULL)
2364                                 model = "";
2365                         // always point the string back at host_client->name to keep it safe
2366                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2367                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(host_client->playermodel);
2368                 }
2369
2370                 // NEXUIZ_PLAYERSKIN
2371                 if( prog->fieldoffsets.playerskin >= 0 ) {
2372                         skin = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string);
2373                         if (skin == NULL)
2374                                 skin = "";
2375                         // always point the string back at host_client->name to keep it safe
2376                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2377                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(host_client->playerskin);
2378                 }
2379
2380                 // TODO: add an extension name for this [1/17/2008 Black]
2381                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcamera)) && val->edict > 0 ) {
2382                         int oldclientcamera = host_client->clientcamera;
2383                         if( val->edict >= prog->max_edicts || PRVM_EDICT_NUM( val->edict )->priv.required->free ) {
2384                                 val->edict = host_client->clientcamera = PRVM_NUM_FOR_EDICT( host_client->edict );
2385                         } else {
2386                                 host_client->clientcamera = val->edict;
2387                         }
2388
2389                         if( oldclientcamera != host_client->clientcamera ) {
2390                                 MSG_WriteByte (&host_client->netconnection->message, svc_setview );
2391                                 MSG_WriteShort (&host_client->netconnection->message, host_client->clientcamera);
2392                         }
2393                 }
2394
2395                 // frags
2396                 host_client->frags = (int)host_client->edict->fields.server->frags;
2397                 if(gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
2398                         if(!host_client->spawned && host_client->netconnection)
2399                                 host_client->frags = -666;
2400                 if (host_client->old_frags != host_client->frags)
2401                 {
2402                         host_client->old_frags = host_client->frags;
2403                         // send notification to all clients
2404                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2405                         MSG_WriteByte (&sv.reliable_datagram, i);
2406                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2407                 }
2408         }
2409
2410         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2411                 if (client->netconnection && (client->spawned || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2412                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2413
2414         SZ_Clear (&sv.reliable_datagram);
2415 }
2416
2417
2418 /*
2419 =======================
2420 SV_SendClientMessages
2421 =======================
2422 */
2423 void SV_SendClientMessages (void)
2424 {
2425         int i, prepared = false;
2426
2427         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2428                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2429
2430         SV_FlushBroadcastMessages();
2431
2432 // update frags, names, etc
2433         SV_UpdateToReliableMessages();
2434
2435 // build individual updates
2436         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2437         {
2438                 if (!host_client->active)
2439                         continue;
2440                 if (!host_client->netconnection)
2441                         continue;
2442
2443                 if (host_client->netconnection->message.overflowed)
2444                 {
2445                         SV_DropClient (true);   // if the message couldn't send, kick off
2446                         continue;
2447                 }
2448
2449                 if (!prepared)
2450                 {
2451                         prepared = true;
2452                         // only prepare entities once per frame
2453                         SV_PrepareEntitiesForSending();
2454                 }
2455                 SV_SendClientDatagram (host_client);
2456         }
2457
2458 // clear muzzle flashes
2459         SV_CleanupEnts();
2460 }
2461
2462 static void SV_StartDownload_f(void)
2463 {
2464         if (host_client->download_file)
2465                 host_client->download_started = true;
2466 }
2467
2468 /*
2469  * Compression extension negotiation:
2470  *
2471  * Server to client:
2472  *   cl_serverextension_download 2
2473  *
2474  * Client to server:
2475  *   download <filename> <list of zero or more suppported compressions in order of preference>
2476  * e.g.
2477  *   download maps/map1.bsp lzo deflate huffman
2478  *
2479  * Server to client:
2480  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2481  * e.g.
2482  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2483  *
2484  * The server may choose not to compress the file by sending no compression name, like:
2485  *   cl_downloadbegin 345678 maps/map1.bsp
2486  *
2487  * NOTE: the "download" command may only specify compression algorithms if
2488  *       cl_serverextension_download is 2!
2489  *       If cl_serverextension_download has a different value, the client must
2490  *       assume this extension is not supported!
2491  */
2492
2493 static void Download_CheckExtensions(void)
2494 {
2495         int i;
2496         int argc = Cmd_Argc();
2497
2498         // first reset them all
2499         host_client->download_deflate = false;
2500
2501         for(i = 2; i < argc; ++i)
2502         {
2503                 if(!strcmp(Cmd_Argv(i), "deflate"))
2504                 {
2505                         host_client->download_deflate = true;
2506                         break;
2507                 }
2508         }
2509 }
2510
2511 static void SV_Download_f(void)
2512 {
2513         const char *whichpack, *whichpack2, *extension;
2514         qboolean is_csqc; // so we need to check only once
2515
2516         if (Cmd_Argc() < 2)
2517         {
2518                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2519                 SV_ClientPrintf("       supported extensions: deflate\n");
2520                 return;
2521         }
2522
2523         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2524         {
2525                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2526                 return;
2527         }
2528
2529         if (host_client->download_file)
2530         {
2531                 // at this point we'll assume the previous download should be aborted
2532                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2533                 Host_ClientCommands("\nstopdownload\n");
2534
2535                 // close the file and reset variables
2536                 FS_Close(host_client->download_file);
2537                 host_client->download_file = NULL;
2538                 host_client->download_name[0] = 0;
2539                 host_client->download_expectedposition = 0;
2540                 host_client->download_started = false;
2541         }
2542
2543         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2544
2545         if (!sv_allowdownloads.integer && !is_csqc)
2546         {
2547                 SV_ClientPrintf("Downloads are disabled on this server\n");
2548                 Host_ClientCommands("\nstopdownload\n");
2549                 return;
2550         }
2551
2552         Download_CheckExtensions();
2553
2554         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2555         extension = FS_FileExtension(host_client->download_name);
2556
2557         // host_client is asking to download a specified file
2558         if (developer_extra.integer)
2559                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2560
2561         if(is_csqc)
2562         {
2563                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2564                 extensions[0] = '\0';
2565
2566                 if(host_client->download_deflate)
2567                         strlcat(extensions, " deflate", sizeof(extensions));
2568
2569                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2570
2571                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2572                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2573                 else
2574                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2575
2576                 // no, no space is needed between %s and %s :P
2577                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2578
2579                 host_client->download_expectedposition = 0;
2580                 host_client->download_started = false;
2581                 host_client->sendsignon = true; // make sure this message is sent
2582                 return;
2583         }
2584
2585         if (!FS_FileExists(host_client->download_name))
2586         {
2587                 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);
2588                 Host_ClientCommands("\nstopdownload\n");
2589                 return;
2590         }
2591
2592         // check if the user is trying to download part of registered Quake(r)
2593         whichpack = FS_WhichPack(host_client->download_name);
2594         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2595         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2596         {
2597                 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);
2598                 Host_ClientCommands("\nstopdownload\n");
2599                 return;
2600         }
2601
2602         // check if the server has forbidden archive downloads entirely
2603         if (!sv_allowdownloads_inarchive.integer)
2604         {
2605                 whichpack = FS_WhichPack(host_client->download_name);
2606                 if (whichpack)
2607                 {
2608                         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);
2609                         Host_ClientCommands("\nstopdownload\n");
2610                         return;
2611                 }
2612         }
2613
2614         if (!sv_allowdownloads_config.integer)
2615         {
2616                 if (!strcasecmp(extension, "cfg"))
2617                 {
2618                         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);
2619                         Host_ClientCommands("\nstopdownload\n");
2620                         return;
2621                 }
2622         }
2623
2624         if (!sv_allowdownloads_dlcache.integer)
2625         {
2626                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2627                 {
2628                         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);
2629                         Host_ClientCommands("\nstopdownload\n");
2630                         return;
2631                 }
2632         }
2633
2634         if (!sv_allowdownloads_archive.integer)
2635         {
2636                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2637                 {
2638                         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);
2639                         Host_ClientCommands("\nstopdownload\n");
2640                         return;
2641                 }
2642         }
2643
2644         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2645         if (!host_client->download_file)
2646         {
2647                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2648                 Host_ClientCommands("\nstopdownload\n");
2649                 return;
2650         }
2651
2652         if (FS_FileSize(host_client->download_file) > 1<<30)
2653         {
2654                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2655                 Host_ClientCommands("\nstopdownload\n");
2656                 FS_Close(host_client->download_file);
2657                 host_client->download_file = NULL;
2658                 return;
2659         }
2660
2661         if (FS_FileSize(host_client->download_file) < 0)
2662         {
2663                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2664                 Host_ClientCommands("\nstopdownload\n");
2665                 FS_Close(host_client->download_file);
2666                 host_client->download_file = NULL;
2667                 return;
2668         }
2669
2670         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2671
2672         /*
2673          * we can only do this if we would actually deflate on the fly
2674          * which we do not (yet)!
2675         {
2676                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2677                 extensions[0] = '\0';
2678
2679                 if(host_client->download_deflate)
2680                         strlcat(extensions, " deflate", sizeof(extensions));
2681
2682                 // no, no space is needed between %s and %s :P
2683                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2684         }
2685         */
2686         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2687
2688         host_client->download_expectedposition = 0;
2689         host_client->download_started = false;
2690         host_client->sendsignon = true; // make sure this message is sent
2691
2692         // the rest of the download process is handled in SV_SendClientDatagram
2693         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2694         //
2695         // no svc_downloaddata messages will be sent until sv_startdownload is
2696         // sent by the client
2697 }
2698
2699 /*
2700 ==============================================================================
2701
2702 SERVER SPAWNING
2703
2704 ==============================================================================
2705 */
2706
2707 /*
2708 ================
2709 SV_ModelIndex
2710
2711 ================
2712 */
2713 int SV_ModelIndex(const char *s, int precachemode)
2714 {
2715         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);
2716         char filename[MAX_QPATH];
2717         if (!s || !*s)
2718                 return 0;
2719         // testing
2720         //if (precachemode == 2)
2721         //      return 0;
2722         strlcpy(filename, s, sizeof(filename));
2723         for (i = 2;i < limit;i++)
2724         {
2725                 if (!sv.model_precache[i][0])
2726                 {
2727                         if (precachemode)
2728                         {
2729                                 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))
2730                                 {
2731                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2732                                         return 0;
2733                                 }
2734                                 if (precachemode == 1)
2735                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2736                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2737                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2738                                 if (sv.state != ss_loading)
2739                                 {
2740                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2741                                         MSG_WriteShort(&sv.reliable_datagram, i);
2742                                         MSG_WriteString(&sv.reliable_datagram, filename);
2743                                 }
2744                                 return i;
2745                         }
2746                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2747                         return 0;
2748                 }
2749                 if (!strcmp(sv.model_precache[i], filename))
2750                         return i;
2751         }
2752         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2753         return 0;
2754 }
2755
2756 /*
2757 ================
2758 SV_SoundIndex
2759
2760 ================
2761 */
2762 int SV_SoundIndex(const char *s, int precachemode)
2763 {
2764         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);
2765         char filename[MAX_QPATH];
2766         if (!s || !*s)
2767                 return 0;
2768         // testing
2769         //if (precachemode == 2)
2770         //      return 0;
2771         strlcpy(filename, s, sizeof(filename));
2772         for (i = 1;i < limit;i++)
2773         {
2774                 if (!sv.sound_precache[i][0])
2775                 {
2776                         if (precachemode)
2777                         {
2778                                 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))
2779                                 {
2780                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2781                                         return 0;
2782                                 }
2783                                 if (precachemode == 1)
2784                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2785                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2786                                 if (sv.state != ss_loading)
2787                                 {
2788                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2789                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2790                                         MSG_WriteString(&sv.reliable_datagram, filename);
2791                                 }
2792                                 return i;
2793                         }
2794                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2795                         return 0;
2796                 }
2797                 if (!strcmp(sv.sound_precache[i], filename))
2798                         return i;
2799         }
2800         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2801         return 0;
2802 }
2803
2804 /*
2805 ================
2806 SV_ParticleEffectIndex
2807
2808 ================
2809 */
2810 int SV_ParticleEffectIndex(const char *name)
2811 {
2812         int i, argc, linenumber, effectnameindex;
2813         int filepass;
2814         fs_offset_t filesize;
2815         unsigned char *filedata;
2816         const char *text;
2817         const char *textstart;
2818         //const char *textend;
2819         char argv[16][1024];
2820         char filename[MAX_QPATH];
2821         if (!sv.particleeffectnamesloaded)
2822         {
2823                 sv.particleeffectnamesloaded = true;
2824                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2825                 for (i = 0;i < EFFECT_TOTAL;i++)
2826                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2827                 for (filepass = 0;;filepass++)
2828                 {
2829                         if (filepass == 0)
2830                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
2831                         else if (filepass == 1)
2832                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
2833                         else
2834                                 break;
2835                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
2836                         if (!filedata)
2837                                 continue;
2838                         textstart = (const char *)filedata;
2839                         //textend = (const char *)filedata + filesize;
2840                         text = textstart;
2841                         for (linenumber = 1;;linenumber++)
2842                         {
2843                                 argc = 0;
2844                                 for (;;)
2845                                 {
2846                                         if (!COM_ParseToken_Simple(&text, true, false) || !strcmp(com_token, "\n"))
2847                                                 break;
2848                                         if (argc < 16)
2849                                         {
2850                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2851                                                 argc++;
2852                                         }
2853                                 }
2854                                 if (com_token[0] == 0)
2855                                         break; // if the loop exited and it's not a \n, it's EOF
2856                                 if (argc < 1)
2857                                         continue;
2858                                 if (!strcmp(argv[0], "effect"))
2859                                 {
2860                                         if (argc == 2)
2861                                         {
2862                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
2863                                                 {
2864                                                         if (sv.particleeffectname[effectnameindex][0])
2865                                                         {
2866                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
2867                                                                         break;
2868                                                         }
2869                                                         else
2870                                                         {
2871                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
2872                                                                 break;
2873                                                         }
2874                                                 }
2875                                                 // if we run out of names, abort
2876                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
2877                                                 {
2878                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
2879                                                         break;
2880                                                 }
2881                                         }
2882                                 }
2883                         }
2884                         Mem_Free(filedata);
2885                 }
2886         }
2887         // search for the name
2888         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
2889                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
2890                         return effectnameindex;
2891         // return 0 if we couldn't find it
2892         return 0;
2893 }
2894
2895 dp_model_t *SV_GetModelByIndex(int modelindex)
2896 {
2897         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2898 }
2899
2900 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
2901 {
2902         int modelindex;
2903         if (!ed || ed->priv.server->free)
2904                 return NULL;
2905         modelindex = (int)ed->fields.server->modelindex;
2906         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2907 }
2908
2909 /*
2910 ================
2911 SV_CreateBaseline
2912
2913 ================
2914 */
2915 static void SV_CreateBaseline (void)
2916 {
2917         int i, entnum, large;
2918         prvm_edict_t *svent;
2919
2920         // LordHavoc: clear *all* states (note just active ones)
2921         for (entnum = 0;entnum < prog->max_edicts;entnum++)
2922         {
2923                 // get the current server version
2924                 svent = PRVM_EDICT_NUM(entnum);
2925
2926                 // LordHavoc: always clear state values, whether the entity is in use or not
2927                 svent->priv.server->baseline = defaultstate;
2928
2929                 if (svent->priv.server->free)
2930                         continue;
2931                 if (entnum > svs.maxclients && !svent->fields.server->modelindex)
2932                         continue;
2933
2934                 // create entity baseline
2935                 VectorCopy (svent->fields.server->origin, svent->priv.server->baseline.origin);
2936                 VectorCopy (svent->fields.server->angles, svent->priv.server->baseline.angles);
2937                 svent->priv.server->baseline.frame = (int)svent->fields.server->frame;
2938                 svent->priv.server->baseline.skin = (int)svent->fields.server->skin;
2939                 if (entnum > 0 && entnum <= svs.maxclients)
2940                 {
2941                         svent->priv.server->baseline.colormap = entnum;
2942                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
2943                 }
2944                 else
2945                 {
2946                         svent->priv.server->baseline.colormap = 0;
2947                         svent->priv.server->baseline.modelindex = (int)svent->fields.server->modelindex;
2948                 }
2949
2950                 large = false;
2951                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
2952                 {
2953                         large = true;
2954                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2955                                 large = false;
2956                 }
2957
2958                 // add to the message
2959                 if (large)
2960                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
2961                 else
2962                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
2963                 MSG_WriteShort (&sv.signon, entnum);
2964
2965                 if (large)
2966                 {
2967                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2968                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
2969                 }
2970                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2971                 {
2972                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2973                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2974                 }
2975                 else
2976                 {
2977                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
2978                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2979                 }
2980                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
2981                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
2982                 for (i=0 ; i<3 ; i++)
2983                 {
2984                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
2985                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
2986                 }
2987         }
2988 }
2989
2990 /*
2991 ================
2992 SV_Prepare_CSQC
2993
2994 Load csprogs.dat and comperss it so it doesn't need to be
2995 reloaded on request.
2996 ================
2997 */
2998 void SV_Prepare_CSQC(void)
2999 {
3000         fs_offset_t progsize;
3001
3002         if(svs.csqc_progdata)
3003         {
3004                 Con_DPrintf("Unloading old CSQC data.\n");
3005                 Mem_Free(svs.csqc_progdata);
3006                 if(svs.csqc_progdata_deflated)
3007                         Mem_Free(svs.csqc_progdata_deflated);
3008         }
3009
3010         svs.csqc_progdata = NULL;
3011         svs.csqc_progdata_deflated = NULL;
3012
3013         sv.csqc_progname[0] = 0;
3014         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
3015
3016         if(progsize > 0)
3017         {
3018                 size_t deflated_size;
3019
3020                 sv.csqc_progsize = (int)progsize;
3021                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
3022                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
3023                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
3024
3025                 Con_DPrint("Compressing csprogs.dat\n");
3026                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
3027                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
3028                 svs.csqc_progsize_deflated = (int)deflated_size;
3029                 if(svs.csqc_progdata_deflated)
3030                 {
3031                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
3032                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
3033                 }
3034                 else
3035                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
3036         }
3037 }
3038
3039 /*
3040 ================
3041 SV_SaveSpawnparms
3042
3043 Grabs the current state of each client for saving across the
3044 transition to another level
3045 ================
3046 */
3047 void SV_SaveSpawnparms (void)
3048 {
3049         int             i, j;
3050
3051         svs.serverflags = (int)prog->globals.server->serverflags;
3052
3053         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3054         {
3055                 if (!host_client->active)
3056                         continue;
3057
3058         // call the progs to get default spawn parms for the new client
3059                 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
3060                 PRVM_ExecuteProgram (prog->globals.server->SetChangeParms, "QC function SetChangeParms is missing");
3061                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
3062                         host_client->spawn_parms[j] = (&prog->globals.server->parm1)[j];
3063         }
3064 }
3065
3066 /*
3067 ================
3068 SV_SpawnServer
3069
3070 This is called at the start of each level
3071 ================
3072 */
3073
3074 void SV_SpawnServer (const char *server)
3075 {
3076         prvm_edict_t *ent;
3077         int i;
3078         char *entities;
3079         dp_model_t *worldmodel;
3080         char modelname[sizeof(sv.worldname)];
3081
3082         Con_DPrintf("SpawnServer: %s\n", server);
3083
3084         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
3085
3086         if (!FS_FileExists(modelname))
3087         {
3088                 dpsnprintf (modelname, sizeof(modelname), "maps/%s", server);
3089                 if (!FS_FileExists(modelname))
3090                 {
3091                         Con_Printf("SpawnServer: no map file named maps/%s.bsp\n", server);
3092                         return;
3093                 }
3094         }
3095
3096         if (cls.state != ca_dedicated)
3097         {
3098                 SCR_BeginLoadingPlaque();
3099                 S_StopAllSounds();
3100         }
3101
3102         if(sv.active)
3103         {
3104                 SV_VM_Begin();
3105                 World_End(&sv.world);
3106                 if(prog->funcoffsets.SV_Shutdown)
3107                 {
3108                         func_t s = prog->funcoffsets.SV_Shutdown;
3109                         prog->funcoffsets.SV_Shutdown = 0; // prevent it from getting called again
3110                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
3111                 }
3112                 SV_VM_End();
3113         }
3114
3115         // free q3 shaders so that any newly downloaded shaders will be active
3116         Mod_FreeQ3Shaders();
3117
3118         worldmodel = Mod_ForName(modelname, false, developer.integer > 0, NULL);
3119         if (!worldmodel || !worldmodel->TraceBox)
3120         {
3121                 Con_Printf("Couldn't load map %s\n", modelname);
3122                 return;
3123         }
3124
3125         // let's not have any servers with no name
3126         if (hostname.string[0] == 0)
3127                 Cvar_Set ("hostname", "UNNAMED");
3128         scr_centertime_off = 0;
3129
3130         svs.changelevel_issued = false;         // now safe to issue another
3131
3132         // make the map a required file for clients
3133         Curl_ClearRequirements();
3134         Curl_RequireFile(modelname);
3135
3136 //
3137 // tell all connected clients that we are going to a new level
3138 //
3139         if (sv.active)
3140         {
3141                 client_t *client;
3142                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3143                 {
3144                         if (client->netconnection)
3145                         {
3146                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3147                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3148                         }
3149                 }
3150         }
3151         else
3152         {
3153                 // open server port
3154                 NetConn_OpenServerPorts(true);
3155         }
3156
3157 //
3158 // make cvars consistant
3159 //
3160         if (coop.integer)
3161                 Cvar_SetValue ("deathmatch", 0);
3162         // LordHavoc: it can be useful to have skills outside the range 0-3...
3163         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3164         //Cvar_SetValue ("skill", (float)current_skill);
3165         current_skill = (int)(skill.value + 0.5);
3166
3167 //
3168 // set up the new server
3169 //
3170         memset (&sv, 0, sizeof(sv));
3171         // if running a local client, make sure it doesn't try to access the last
3172         // level's data which is no longer valiud
3173         cls.signon = 0;
3174
3175         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
3176
3177         if(*sv_random_seed.string)
3178         {
3179                 srand(sv_random_seed.integer);
3180                 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);
3181         }
3182
3183         SV_VM_Setup();
3184
3185         sv.active = true;
3186
3187         // set level base name variables for later use
3188         strlcpy (sv.name, server, sizeof (sv.name));
3189         strlcpy(sv.worldname, modelname, sizeof(sv.worldname));
3190         FS_StripExtension(sv.worldname, sv.worldnamenoextension, sizeof(sv.worldnamenoextension));
3191         strlcpy(sv.worldbasename, !strncmp(sv.worldnamenoextension, "maps/", 5) ? sv.worldnamenoextension + 5 : sv.worldnamenoextension, sizeof(sv.worldbasename));
3192         //Cvar_SetQuick(&sv_worldmessage, sv.worldmessage); // set later after QC is spawned
3193         Cvar_SetQuick(&sv_worldname, sv.worldname);
3194         Cvar_SetQuick(&sv_worldnamenoextension, sv.worldnamenoextension);
3195         Cvar_SetQuick(&sv_worldbasename, sv.worldbasename);
3196
3197         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3198         if (sv.protocol == PROTOCOL_UNKNOWN)
3199         {
3200                 char buffer[1024];
3201                 Protocol_Names(buffer, sizeof(buffer));
3202                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3203                 sv.protocol = PROTOCOL_QUAKE;
3204         }
3205
3206         SV_VM_Begin();
3207
3208 // load progs to get entity field count
3209         //PR_LoadProgs ( sv_progs.string );
3210
3211         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3212         sv.datagram.cursize = 0;
3213         sv.datagram.data = sv.datagram_buf;
3214
3215         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3216         sv.reliable_datagram.cursize = 0;
3217         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3218
3219         sv.signon.maxsize = sizeof(sv.signon_buf);
3220         sv.signon.cursize = 0;
3221         sv.signon.data = sv.signon_buf;
3222
3223 // leave slots at start for clients only
3224         //prog->num_edicts = svs.maxclients+1;
3225
3226         sv.state = ss_loading;
3227         prog->allowworldwrites = true;
3228         sv.paused = false;
3229
3230         prog->globals.server->time = sv.time = 1.0;
3231
3232         Mod_ClearUsed();
3233         worldmodel->used = true;
3234
3235         sv.worldmodel = worldmodel;
3236         sv.models[1] = sv.worldmodel;
3237
3238 //
3239 // clear world interaction links
3240 //
3241         World_SetSize(&sv.world, sv.worldname, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs);
3242         World_Start(&sv.world);
3243
3244         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3245
3246         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3247         strlcpy(sv.model_precache[1], sv.worldname, sizeof(sv.model_precache[1]));
3248         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3249         {
3250                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3251                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.worldname);
3252         }
3253         if(i < sv.worldmodel->brush.numsubmodels)
3254                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3255
3256 //
3257 // load the rest of the entities
3258 //
3259         // AK possible hack since num_edicts is still 0
3260         ent = PRVM_EDICT_NUM(0);
3261         memset (ent->fields.server, 0, prog->progs->entityfields * 4);
3262         ent->priv.server->free = false;
3263         ent->fields.server->model = PRVM_SetEngineString(sv.worldname);
3264         ent->fields.server->modelindex = 1;             // world model
3265         ent->fields.server->solid = SOLID_BSP;
3266         ent->fields.server->movetype = MOVETYPE_PUSH;
3267         VectorCopy(sv.world.mins, ent->fields.server->mins);
3268         VectorCopy(sv.world.maxs, ent->fields.server->maxs);
3269         VectorCopy(sv.world.mins, ent->fields.server->absmin);
3270         VectorCopy(sv.world.maxs, ent->fields.server->absmax);
3271
3272         if (coop.value)
3273                 prog->globals.server->coop = coop.integer;
3274         else
3275                 prog->globals.server->deathmatch = deathmatch.integer;
3276
3277         prog->globals.server->mapname = PRVM_SetEngineString(sv.name);
3278
3279 // serverflags are for cross level information (sigils)
3280         prog->globals.server->serverflags = svs.serverflags;
3281
3282         // we need to reset the spawned flag on all connected clients here so that
3283         // their thinks don't run during startup (before PutClientInServer)
3284         // we also need to set up the client entities now
3285         // and we need to set the ->edict pointers to point into the progs edicts
3286         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3287         {
3288                 host_client->spawned = false;
3289                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3290                 PRVM_ED_ClearEdict(host_client->edict);
3291         }
3292
3293         // load replacement entity file if found
3294         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va("%s.ent", sv.worldnamenoextension), tempmempool, true, NULL)))
3295         {
3296                 Con_Printf("Loaded %s.ent\n", sv.worldnamenoextension);
3297                 PRVM_ED_LoadFromFile (entities);
3298                 Mem_Free(entities);
3299         }
3300         else
3301                 PRVM_ED_LoadFromFile (sv.worldmodel->brush.entities);
3302
3303
3304         // LordHavoc: clear world angles (to fix e3m3.bsp)
3305         VectorClear(prog->edicts->fields.server->angles);
3306
3307 // all setup is completed, any further precache statements are errors
3308 //      sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3309         prog->allowworldwrites = false;
3310
3311 // run two frames to allow everything to settle
3312         prog->globals.server->time = sv.time = 1.0001;
3313         for (i = 0;i < 2;i++)
3314         {
3315                 sv.frametime = 0.1;
3316                 SV_Physics ();
3317         }
3318
3319         if (cls.state == ca_dedicated)
3320                 Mod_PurgeUnused();
3321
3322 // create a baseline for more efficient communications
3323         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)
3324                 SV_CreateBaseline ();
3325
3326         sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3327
3328         // to prevent network timeouts
3329         realtime = Sys_DoubleTime();
3330
3331 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3332         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3333         {
3334                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3335                 if (!host_client->active)
3336                         continue;
3337                 if (host_client->netconnection)
3338                         SV_SendServerinfo(host_client);
3339                 else
3340                 {
3341                         int j;
3342                         // if client is a botclient coming from a level change, we need to
3343                         // set up client info that normally requires networking
3344
3345                         // copy spawn parms out of the client_t
3346                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3347                                 (&prog->globals.server->parm1)[j] = host_client->spawn_parms[j];
3348
3349                         // call the spawn function
3350                         host_client->clientconnectcalled = true;
3351                         prog->globals.server->time = sv.time;
3352                         prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
3353                         PRVM_ExecuteProgram (prog->globals.server->ClientConnect, "QC function ClientConnect is missing");
3354                         PRVM_ExecuteProgram (prog->globals.server->PutClientInServer, "QC function PutClientInServer is missing");
3355                         host_client->spawned = true;
3356                 }
3357         }
3358
3359         // update the map title cvar
3360         strlcpy(sv.worldmessage, PRVM_GetString(prog->edicts->fields.server->message), sizeof(sv.worldmessage)); // map title (not related to filename)
3361         Cvar_SetQuick(&sv_worldmessage, sv.worldmessage);
3362
3363         Con_DPrint("Server spawned.\n");
3364         NetConn_Heartbeat (2);
3365
3366         SV_VM_End();
3367 }
3368
3369 /////////////////////////////////////////////////////
3370 // SV VM stuff
3371
3372 static void SV_VM_CB_BeginIncreaseEdicts(void)
3373 {
3374         // links don't survive the transition, so unlink everything
3375         World_UnlinkAll(&sv.world);
3376 }
3377
3378 static void SV_VM_CB_EndIncreaseEdicts(void)
3379 {
3380         int i;
3381         prvm_edict_t *ent;
3382
3383         // link every entity except world
3384         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
3385                 if (!ent->priv.server->free)
3386                         SV_LinkEdict(ent);
3387 }
3388
3389 static void SV_VM_CB_InitEdict(prvm_edict_t *e)
3390 {
3391         // LordHavoc: for consistency set these here
3392         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3393
3394         e->priv.server->move = false; // don't move on first frame
3395
3396         if (num >= 0 && num < svs.maxclients)
3397         {
3398                 prvm_eval_t *val;
3399                 // set colormap and team on newly created player entity
3400                 e->fields.server->colormap = num + 1;
3401                 e->fields.server->team = (svs.clients[num].colors & 15) + 1;
3402                 // set netname/clientcolors back to client values so that
3403                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3404                 // reset them
3405                 e->fields.server->netname = PRVM_SetEngineString(svs.clients[num].name);
3406                 if ((val = PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.clientcolors)))
3407                         val->_float = svs.clients[num].colors;
3408                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3409                 if( prog->fieldoffsets.playermodel >= 0 )
3410                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(svs.clients[num].playermodel);
3411                 if( prog->fieldoffsets.playerskin >= 0 )
3412                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(svs.clients[num].playerskin);
3413                 // Assign netaddress (IP Address, etc)
3414                 if(prog->fieldoffsets.netaddress >= 0)
3415                 { // Valid Field; Process
3416                         if(svs.clients[num].netconnection != NULL)
3417                         {// Valid Address; Assign
3418                                 // Acquire Readable Address
3419                                 LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3420                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.netaddress)->string = PRVM_SetEngineString(svs.clients[num].netaddress);
3421                         }
3422                         else
3423                                 // Invalid / Bot
3424                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.netaddress)->string = PRVM_SetEngineString("null/botclient");
3425                 }
3426         }
3427 }
3428
3429 static void SV_VM_CB_FreeEdict(prvm_edict_t *ed)
3430 {
3431         int i;
3432         int e;
3433
3434         World_UnlinkEdict(ed);          // unlink from world bsp
3435
3436         ed->fields.server->model = 0;
3437         ed->fields.server->takedamage = 0;
3438         ed->fields.server->modelindex = 0;
3439         ed->fields.server->colormap = 0;
3440         ed->fields.server->skin = 0;
3441         ed->fields.server->frame = 0;
3442         VectorClear(ed->fields.server->origin);
3443         VectorClear(ed->fields.server->angles);
3444         ed->fields.server->nextthink = -1;
3445         ed->fields.server->solid = 0;
3446
3447         VM_RemoveEdictSkeleton(ed);
3448         World_Physics_RemoveFromEntity(&sv.world, ed);
3449         World_Physics_RemoveJointFromEntity(&sv.world, ed);
3450
3451         // make sure csqc networking is aware of the removed entity
3452         e = PRVM_NUM_FOR_EDICT(ed);
3453         sv.csqcentityversion[e] = 0;
3454         for (i = 0;i < svs.maxclients;i++)
3455         {
3456                 if (svs.clients[i].csqcentityscope[e])
3457                         svs.clients[i].csqcentityscope[e] = 1; // removed, awaiting send
3458                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3459         }
3460 }
3461
3462 static void SV_VM_CB_CountEdicts(void)
3463 {
3464         int             i;
3465         prvm_edict_t    *ent;
3466         int             active, models, solid, step;
3467
3468         active = models = solid = step = 0;
3469         for (i=0 ; i<prog->num_edicts ; i++)
3470         {
3471                 ent = PRVM_EDICT_NUM(i);
3472                 if (ent->priv.server->free)
3473                         continue;
3474                 active++;
3475                 if (ent->fields.server->solid)
3476                         solid++;
3477                 if (ent->fields.server->model)
3478                         models++;
3479                 if (ent->fields.server->movetype == MOVETYPE_STEP)
3480                         step++;
3481         }
3482
3483         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3484         Con_Printf("active    :%3i\n", active);
3485         Con_Printf("view      :%3i\n", models);
3486         Con_Printf("touch     :%3i\n", solid);
3487         Con_Printf("step      :%3i\n", step);
3488 }
3489
3490 static qboolean SV_VM_CB_LoadEdict(prvm_edict_t *ent)
3491 {
3492         // remove things from different skill levels or deathmatch
3493         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3494         {
3495                 if (deathmatch.integer)
3496                 {
3497                         if (((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_DEATHMATCH))
3498                         {
3499                                 return false;
3500                         }
3501                 }
3502                 else if ((current_skill <= 0 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_EASY  ))
3503                         || (current_skill == 1 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_MEDIUM))
3504                         || (current_skill >= 2 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_HARD  )))
3505                 {
3506                         return false;
3507                 }
3508         }
3509         return true;
3510 }
3511
3512 static void SV_VM_Setup(void)
3513 {
3514         PRVM_Begin;
3515         PRVM_InitProg( PRVM_SERVERPROG );
3516
3517         // allocate the mempools
3518         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3519         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3520         prog->builtins = vm_sv_builtins;
3521         prog->numbuiltins = vm_sv_numbuiltins;
3522         prog->headercrc = PROGHEADER_CRC;
3523         prog->headercrc2 = PROGHEADER_CRC_TENEBRAE;
3524         prog->max_edicts = 512;
3525         if (sv.protocol == PROTOCOL_QUAKE)
3526                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3527         else if (sv.protocol == PROTOCOL_QUAKEDP)
3528                 prog->limit_edicts = 2048; // guessing
3529         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3530                 prog->limit_edicts = 2048; // guessing!
3531         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3532                 prog->limit_edicts = 4096; // guessing!
3533         else
3534                 prog->limit_edicts = MAX_EDICTS;
3535         prog->reserved_edicts = svs.maxclients;
3536         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3537         prog->name = "server";
3538         prog->extensionstring = vm_sv_extensions;
3539         prog->loadintoworld = true;
3540
3541         prog->begin_increase_edicts = SV_VM_CB_BeginIncreaseEdicts;
3542         prog->end_increase_edicts = SV_VM_CB_EndIncreaseEdicts;
3543         prog->init_edict = SV_VM_CB_InitEdict;
3544         prog->free_edict = SV_VM_CB_FreeEdict;
3545         prog->count_edicts = SV_VM_CB_CountEdicts;
3546         prog->load_edict = SV_VM_CB_LoadEdict;
3547         prog->init_cmd = VM_SV_Cmd_Init;
3548         prog->reset_cmd = VM_SV_Cmd_Reset;
3549         prog->error_cmd = Host_Error;
3550         prog->ExecuteProgram = SVVM_ExecuteProgram;
3551
3552         // TODO: add a requiredfuncs list (ask LH if this is necessary at all)
3553         PRVM_LoadProgs( sv_progs.string, 0, NULL, REQFIELDS, reqfields, 0, NULL );
3554
3555         // some mods compiled with scrambling compilers lack certain critical
3556         // global names and field names such as "self" and "time" and "nextthink"
3557         // so we have to set these offsets manually, matching the entvars_t
3558         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3559         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3560         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3561         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3562         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3563         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
3564         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3565         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3566         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
3567         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
3568         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
3569         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
3570         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
3571         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
3572         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
3573         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
3574         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
3575         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
3576         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
3577         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
3578         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
3579         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
3580         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
3581         // OP_STATE is always supported on server (due to entvars_t)
3582         prog->flag |= PRVM_OP_STATE;
3583
3584         VM_CustomStats_Clear();//[515]: csqc
3585
3586         PRVM_End;
3587
3588         SV_Prepare_CSQC();
3589 }
3590
3591 void SV_VM_Begin(void)
3592 {
3593         PRVM_Begin;
3594         PRVM_SetProg( PRVM_SERVERPROG );
3595
3596         prog->globals.server->time = (float) sv.time;
3597 }
3598
3599 void SV_VM_End(void)
3600 {
3601         PRVM_End;
3602 }