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
 983         client = svs.clients + clientnum;
 984
 985 // set up the client_t
 986         if (sv.loadgame)
 987         {
 988                 float backupparms[NUM_SPAWN_PARMS];
 989                 memcpy(backupparms, client->spawn_parms, sizeof(backupparms));
 990                 memset(client, 0, sizeof(*client));
 991                 memcpy(client->spawn_parms, backupparms, sizeof(backupparms));
 992         }
 993         else
 994                 memset(client, 0, sizeof(*client));
 995         client->active = true;
 996         client->netconnection = netconnection;
 997
 998         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
 999
1000         strlcpy(client->name, "unconnected", sizeof(client->name));
1001         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
1002         client->spawned = false;
1003         client->edict = PRVM_EDICT_NUM(clientnum+1);
1004         if (client->netconnection)
1005                 client->netconnection->message.allowoverflow = true;            // we can catch it
1006         // prepare the unreliable message buffer
1007         client->unreliablemsg.data = client->unreliablemsg_data;
1008         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
1009         // updated by receiving "rate" command from client, this is also the default if not using a DP client
1010         client->rate = 1000000000;
1011         // no limits for local player
1012         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
1013                 client->rate = 1000000000;
1014         client->connecttime = realtime;
1015
1016         if (!sv.loadgame)
1017         {
1018                 // call the progs to get default spawn parms for the new client
1019                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
1020                 prog->globals.server->self = 0;
1021                 PRVM_ExecuteProgram (prog->globals.server->SetNewParms, "QC function SetNewParms is missing");
1022                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1023                         client->spawn_parms[i] = (&prog->globals.server->parm1)[i];
1024
1025                 // set up the entity for this client (including .colormap, .team, etc)
1026                 PRVM_ED_ClearEdict(client->edict);
1027         }
1028
1029         // don't call SendServerinfo for a fresh botclient because its fields have
1030         // not been set up by the qc yet
1031         if (client->netconnection)
1032                 SV_SendServerinfo (client);
1033         else
1034                 client->spawned = true;
1035 }
1036
1037
1038 /*
1039 ===============================================================================
1040
1041 FRAME UPDATES
1042
1043 ===============================================================================
1044 */
1045
1046 /*
1047 =============================================================================
1048
1049 The PVS must include a small area around the client to allow head bobbing
1050 or other small motion on the client side.  Otherwise, a bob might cause an
1051 entity that should be visible to not show up, especially when the bob
1052 crosses a waterline.
1053
1054 =============================================================================
1055 */
1056
1057 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1058 {
1059         int i;
1060         unsigned int sendflags;
1061         unsigned int version;
1062         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1063         unsigned int customizeentityforclient;
1064         unsigned int sendentity;
1065         float f;
1066         vec3_t cullmins, cullmaxs;
1067         dp_model_t *model;
1068         prvm_eval_t *val, *val2;
1069
1070         // fast path for games that do not use legacy entity networking
1071         // note: still networks clients even if they are legacy
1072         sendentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendEntity)->function;
1073         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1074                 return false;
1075
1076         // this 2 billion unit check is actually to detect NAN origins
1077         // (we really don't want to send those)
1078         if (!(VectorLength2(ent->fields.server->origin) < 2000000000.0*2000000000.0))
1079                 return false;
1080
1081         // EF_NODRAW prevents sending for any reason except for your own
1082         // client, so we must keep all clients in this superset
1083         effects = (unsigned)ent->fields.server->effects;
1084
1085         // we can omit invisible entities with no effects that are not clients
1086         // LordHavoc: this could kill tags attached to an invisible entity, I
1087         // just hope we never have to support that case
1088         i = (int)ent->fields.server->modelindex;
1089         modelindex = (i >= 1 && i < MAX_MODELS && ent->fields.server->model && *PRVM_GetString(ent->fields.server->model) && sv.models[i]) ? i : 0;
1090
1091         flags = 0;
1092         i = (int)(PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_size)->_float * 0.25f);
1093         glowsize = (unsigned char)bound(0, i, 255);
1094         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_trail)->_float)
1095                 flags |= RENDER_GLOWTRAIL;
1096         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict)
1097                 flags |= RENDER_VIEWMODEL;
1098
1099         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[0]*256;
1100         light[0] = (unsigned short)bound(0, f, 65535);
1101         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[1]*256;
1102         light[1] = (unsigned short)bound(0, f, 65535);
1103         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[2]*256;
1104         light[2] = (unsigned short)bound(0, f, 65535);
1105         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.light_lev)->_float;
1106         light[3] = (unsigned short)bound(0, f, 65535);
1107         lightstyle = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.style)->_float;
1108         lightpflags = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.pflags)->_float;
1109
1110         if (gamemode == GAME_TENEBRAE)
1111         {
1112                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1113                 if (effects & 16)
1114                 {
1115                         effects &= ~16;
1116                         lightpflags |= PFLAGS_FULLDYNAMIC;
1117                 }
1118                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1119                 if (effects & 32)
1120                 {
1121                         effects &= ~32;
1122                         light[0] = (int)(0.2*256);
1123                         light[1] = (int)(1.0*256);
1124                         light[2] = (int)(0.2*256);
1125                         light[3] = 200;
1126                         lightpflags |= PFLAGS_FULLDYNAMIC;
1127                 }
1128         }
1129
1130         specialvisibilityradius = 0;
1131         if (lightpflags & PFLAGS_FULLDYNAMIC)
1132                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1133         if (glowsize)
1134                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1135         if (flags & RENDER_GLOWTRAIL)
1136                 specialvisibilityradius = max(specialvisibilityradius, 100);
1137         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1138         {
1139                 if (effects & EF_BRIGHTFIELD)
1140                         specialvisibilityradius = max(specialvisibilityradius, 80);
1141                 if (effects & EF_MUZZLEFLASH)
1142                         specialvisibilityradius = max(specialvisibilityradius, 100);
1143                 if (effects & EF_BRIGHTLIGHT)
1144                         specialvisibilityradius = max(specialvisibilityradius, 400);
1145                 if (effects & EF_DIMLIGHT)
1146                         specialvisibilityradius = max(specialvisibilityradius, 200);
1147                 if (effects & EF_RED)
1148                         specialvisibilityradius = max(specialvisibilityradius, 200);
1149                 if (effects & EF_BLUE)
1150                         specialvisibilityradius = max(specialvisibilityradius, 200);
1151                 if (effects & EF_FLAME)
1152                         specialvisibilityradius = max(specialvisibilityradius, 250);
1153                 if (effects & EF_STARDUST)
1154                         specialvisibilityradius = max(specialvisibilityradius, 100);
1155         }
1156
1157         // early culling checks
1158         // (final culling is done by SV_MarkWriteEntityStateToClient)
1159         customizeentityforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.customizeentityforclient)->function;
1160         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1161                 return false;
1162
1163         *cs = defaultstate;
1164         cs->active = ACTIVE_NETWORK;
1165         cs->number = enumber;
1166         VectorCopy(ent->fields.server->origin, cs->origin);
1167         VectorCopy(ent->fields.server->angles, cs->angles);
1168         cs->flags = flags;
1169         cs->effects = effects;
1170         cs->colormap = (unsigned)ent->fields.server->colormap;
1171         cs->modelindex = modelindex;
1172         cs->skin = (unsigned)ent->fields.server->skin;
1173         cs->frame = (unsigned)ent->fields.server->frame;
1174         cs->viewmodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict;
1175         cs->exteriormodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.exteriormodeltoclient)->edict;
1176         cs->nodrawtoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.nodrawtoclient)->edict;
1177         cs->drawonlytoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.drawonlytoclient)->edict;
1178         cs->customizeentityforclient = customizeentityforclient;
1179         cs->tagentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_entity)->edict;
1180         cs->tagindex = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_index)->_float;
1181         cs->glowsize = glowsize;
1182
1183         // don't need to init cs->colormod because the defaultstate did that for us
1184         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1185         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.colormod);
1186         if (val->vector[0] || val->vector[1] || val->vector[2])
1187         {
1188                 i = (int)(val->vector[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1189                 i = (int)(val->vector[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1190                 i = (int)(val->vector[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1191         }
1192
1193         // don't need to init cs->glowmod because the defaultstate did that for us
1194         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1195         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glowmod);
1196         if (val->vector[0] || val->vector[1] || val->vector[2])
1197         {
1198                 i = (int)(val->vector[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1199                 i = (int)(val->vector[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1200                 i = (int)(val->vector[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1201         }
1202
1203         cs->modelindex = modelindex;
1204
1205         cs->alpha = 255;
1206         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.alpha)->_float * 255.0f);
1207         if (f)
1208         {
1209                 i = (int)f;
1210                 cs->alpha = (unsigned char)bound(0, i, 255);
1211         }
1212         // halflife
1213         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.renderamt)->_float);
1214         if (f)
1215         {
1216                 i = (int)f;
1217                 cs->alpha = (unsigned char)bound(0, i, 255);
1218         }
1219
1220         cs->scale = 16;
1221         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.scale)->_float * 16.0f);
1222         if (f)
1223         {
1224                 i = (int)f;
1225                 cs->scale = (unsigned char)bound(0, i, 255);
1226         }
1227
1228         cs->glowcolor = 254;
1229         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_color)->_float);
1230         if (f)
1231                 cs->glowcolor = (int)f;
1232
1233         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.fullbright)->_float)
1234                 cs->effects |= EF_FULLBRIGHT;
1235
1236         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.modelflags);
1237         if (val && val->_float)
1238                 cs->effects |= ((unsigned int)val->_float & 0xff) << 24;
1239
1240         if (ent->fields.server->movetype == MOVETYPE_STEP)
1241                 cs->flags |= RENDER_STEP;
1242         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)
1243                 cs->flags |= RENDER_LOWPRECISION;
1244         if (ent->fields.server->colormap >= 1024)
1245                 cs->flags |= RENDER_COLORMAPPED;
1246         if (cs->viewmodelforclient)
1247                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1248
1249         cs->light[0] = light[0];
1250         cs->light[1] = light[1];
1251         cs->light[2] = light[2];
1252         cs->light[3] = light[3];
1253         cs->lightstyle = lightstyle;
1254         cs->lightpflags = lightpflags;
1255
1256         cs->specialvisibilityradius = specialvisibilityradius;
1257
1258         // calculate the visible box of this entity (don't use the physics box
1259         // as that is often smaller than a model, and would not count
1260         // specialvisibilityradius)
1261         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1262         {
1263                 float scale = cs->scale * (1.0f / 16.0f);
1264                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1265                 {
1266                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1267                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1268                 }
1269                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1270                 {
1271                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1272                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1273                 }
1274                 else
1275                 {
1276                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1277                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1278                 }
1279         }
1280         else
1281         {
1282                 // if there is no model (or it could not be loaded), use the physics box
1283                 VectorAdd(cs->origin, ent->fields.server->mins, cullmins);
1284                 VectorAdd(cs->origin, ent->fields.server->maxs, cullmaxs);
1285         }
1286         if (specialvisibilityradius)
1287         {
1288                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1289                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1290                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1291                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1292                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1293                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1294         }
1295
1296         // calculate center of bbox for network prioritization purposes
1297         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1298
1299         // if culling box has moved, update pvs cluster links
1300         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1301         {
1302                 VectorCopy(cullmins, ent->priv.server->cullmins);
1303                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1304                 // a value of -1 for pvs_numclusters indicates that the links are not
1305                 // cached, and should be re-tested each time, this is the case if the
1306                 // culling box touches too many pvs clusters to store, or if the world
1307                 // model does not support FindBoxClusters
1308                 ent->priv.server->pvs_numclusters = -1;
1309                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1310                 {
1311                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1312                         if (i <= MAX_ENTITYCLUSTERS)
1313                                 ent->priv.server->pvs_numclusters = i;
1314                 }
1315         }
1316
1317         // we need to do some csqc entity upkeep here
1318         // get self.SendFlags and clear them
1319         // (to let the QC know that they've been read)
1320         if (sendentity)
1321         {
1322                 val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendFlags);
1323                 sendflags = (unsigned int)val->_float;
1324                 val->_float = 0;
1325                 // legacy self.Version system
1326                 val2 = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.Version);
1327                 if (val2->_float)
1328                 {
1329                         version = (unsigned int)val2->_float;
1330                         if (sv.csqcentityversion[enumber] != version)
1331                                 sendflags = 0xFFFFFF;
1332                         sv.csqcentityversion[enumber] = version;
1333                 }
1334                 // move sendflags into the per-client sendflags
1335                 if (sendflags)
1336                         for (i = 0;i < svs.maxclients;i++)
1337                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1338                 // mark it as inactive for non-csqc networking
1339                 cs->active = ACTIVE_SHARED;
1340         }
1341
1342         return true;
1343 }
1344
1345 void SV_PrepareEntitiesForSending(void)
1346 {
1347         int e;
1348         prvm_edict_t *ent;
1349         // send all entities that touch the pvs
1350         sv.numsendentities = 0;
1351         sv.sendentitiesindex[0] = NULL;
1352         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1353         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1354         {
1355                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1356                 {
1357                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1358                         sv.numsendentities++;
1359                 }
1360         }
1361 }
1362
1363 #define MAX_LINEOFSIGHTTRACES 64
1364
1365 qboolean SV_CanSeeBox(int numtraces, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1366 {
1367         float pitchsign;
1368         float alpha;
1369         float starttransformed[3], endtransformed[3];
1370         int blocked = 0;
1371         int traceindex;
1372         int originalnumtouchedicts;
1373         int numtouchedicts = 0;
1374         int touchindex;
1375         matrix4x4_t matrix, imatrix;
1376         dp_model_t *model;
1377         prvm_edict_t *touch;
1378         static prvm_edict_t *touchedicts[MAX_EDICTS];
1379         vec3_t boxmins, boxmaxs;
1380         vec3_t clipboxmins, clipboxmaxs;
1381         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1382
1383         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1384
1385         // expand the box a little
1386         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
1387         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
1388         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
1389         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
1390         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
1391         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
1392
1393         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1394         for (traceindex = 1;traceindex < numtraces;traceindex++)
1395                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1396
1397         // calculate sweep box for the entire swarm of traces
1398         VectorCopy(eye, clipboxmins);
1399         VectorCopy(eye, clipboxmaxs);
1400         for (traceindex = 0;traceindex < numtraces;traceindex++)
1401         {
1402                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1403                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1404                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1405                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1406                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1407                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1408         }
1409
1410         // get the list of entities in the sweep box
1411         if (sv_cullentities_trace_entityocclusion.integer)
1412                 numtouchedicts = World_EntitiesInBox(&sv.world, clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1413         if (numtouchedicts > MAX_EDICTS)
1414         {
1415                 // this never happens
1416                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1417                 numtouchedicts = MAX_EDICTS;
1418         }
1419         // iterate the entities found in the sweep box and filter them
1420         originalnumtouchedicts = numtouchedicts;
1421         numtouchedicts = 0;
1422         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1423         {
1424                 touch = touchedicts[touchindex];
1425                 if (touch->fields.server->solid != SOLID_BSP)
1426                         continue;
1427                 model = SV_GetModelFromEdict(touch);
1428                 if (!model || !model->brush.TraceLineOfSight)
1429                         continue;
1430                 // skip obviously transparent entities
1431                 alpha = PRVM_EDICTFIELDVALUE(touch, prog->fieldoffsets.alpha)->_float;
1432                 if (alpha && alpha < 1)
1433                         continue;
1434                 if ((int)touch->fields.server->effects & EF_ADDITIVE)
1435                         continue;
1436                 touchedicts[numtouchedicts++] = touch;
1437         }
1438
1439         // now that we have a filtered list of "interesting" entities, fire each
1440         // ray against all of them, this gives us an early-out case when something
1441         // is visible (which it often is)
1442
1443         for (traceindex = 0;traceindex < numtraces;traceindex++)
1444         {
1445                 // check world occlusion
1446                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1447                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, eye, endpoints[traceindex]))
1448                                 continue;
1449                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1450                 {
1451                         touch = touchedicts[touchindex];
1452                         model = SV_GetModelFromEdict(touch);
1453                         if(model && model->brush.TraceLineOfSight)
1454                         {
1455                                 // get the entity matrix
1456                                 pitchsign = SV_GetPitchSign(touch);
1457                                 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);
1458                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1459                                 // see if the ray hits this entity
1460                                 Matrix4x4_Transform(&imatrix, eye, starttransformed);
1461                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1462                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed))
1463                                 {
1464                                         blocked++;
1465                                         break;
1466                                 }
1467                         }
1468                 }
1469                 // check if the ray was blocked
1470                 if (touchindex < numtouchedicts)
1471                         continue;
1472                 // return if the ray was not blocked
1473                 return true;
1474         }
1475
1476         // no rays survived
1477         return false;
1478 }
1479
1480 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1481 {
1482         int isbmodel;
1483         dp_model_t *model;
1484         prvm_edict_t *ed;
1485         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1486                 return;
1487         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1488         sv.writeentitiestoclient_stats_totalentities++;
1489
1490         if (s->customizeentityforclient)
1491         {
1492                 prog->globals.server->self = s->number;
1493                 prog->globals.server->other = sv.writeentitiestoclient_cliententitynumber;
1494                 PRVM_ExecuteProgram(s->customizeentityforclient, "customizeentityforclient: NULL function");
1495                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1496                         return;
1497         }
1498
1499         // never reject player
1500         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1501         {
1502                 // check various rejection conditions
1503                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1504                         return;
1505                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1506                         return;
1507                 if (s->effects & EF_NODRAW)
1508                         return;
1509                 // LordHavoc: only send entities with a model or important effects
1510                 if (!s->modelindex && s->specialvisibilityradius == 0)
1511                         return;
1512
1513                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1514                 // viewmodels don't have visibility checking
1515                 if (s->viewmodelforclient)
1516                 {
1517                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1518                                 return;
1519                 }
1520                 else if (s->tagentity)
1521                 {
1522                         // tag attached entities simply check their parent
1523                         if (!sv.sendentitiesindex[s->tagentity])
1524                                 return;
1525                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1526                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1527                                 return;
1528                 }
1529                 // always send world submodels in newer protocols because they don't
1530                 // generate much traffic (in old protocols they hog bandwidth)
1531                 // but only if sv_cullentities_nevercullbmodels is off
1532                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1533                 {
1534                         // entity has survived every check so far, check if visible
1535                         ed = PRVM_EDICT_NUM(s->number);
1536
1537                         // if not touching a visible leaf
1538                         if (sv_cullentities_pvs.integer && !r_novis.integer && sv.writeentitiestoclient_pvsbytes)
1539                         {
1540                                 if (ed->priv.server->pvs_numclusters < 0)
1541                                 {
1542                                         // entity too big for clusters list
1543                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1544                                         {
1545                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1546                                                 return;
1547                                         }
1548                                 }
1549                                 else
1550                                 {
1551                                         int i;
1552                                         // check cached clusters list
1553                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1554                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1555                                                         break;
1556                                         if (i == ed->priv.server->pvs_numclusters)
1557                                         {
1558                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1559                                                 return;
1560                                         }
1561                                 }
1562                         }
1563
1564                         // or not seen by random tracelines
1565                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel->brush.TraceLineOfSight)
1566                         {
1567                                 int samples =
1568                                         s->number <= svs.maxclients
1569                                                 ? sv_cullentities_trace_samples_players.integer
1570                                                 :
1571                                         s->specialvisibilityradius
1572                                                 ? sv_cullentities_trace_samples_extra.integer
1573                                                 : sv_cullentities_trace_samples.integer;
1574                                 float enlarge = sv_cullentities_trace_enlarge.value;
1575
1576                                 if(samples > 0)
1577                                 {
1578                                         int eyeindex;
1579                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1580                                                 if(SV_CanSeeBox(samples, enlarge, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1581                                                         break;
1582                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1583                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1584                                                         realtime + (
1585                                                                 s->number <= svs.maxclients
1586                                                                         ? sv_cullentities_trace_delay_players.value
1587                                                                         : sv_cullentities_trace_delay.value
1588                                                         );
1589                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1590                                         {
1591                                                 sv.writeentitiestoclient_stats_culled_trace++;
1592                                                 return;
1593                                         }
1594                                 }
1595                         }
1596                 }
1597         }
1598
1599         // this just marks it for sending
1600         // FIXME: it would be more efficient to send here, but the entity
1601         // compressor isn't that flexible
1602         sv.writeentitiestoclient_stats_visibleentities++;
1603         sv.sententities[s->number] = sv.sententitiesmark;
1604 }
1605
1606 #if MAX_LEVELNETWORKEYES > 0
1607 #define MAX_EYE_RECURSION 1 // increase if recursion gets supported by portals
1608 void SV_AddCameraEyes(void)
1609 {
1610         int e, i, j, k;
1611         prvm_edict_t *ed;
1612         static int cameras[MAX_LEVELNETWORKEYES];
1613         static vec3_t camera_origins[MAX_LEVELNETWORKEYES];
1614         static int eye_levels[MAX_CLIENTNETWORKEYES];
1615         int n_cameras = 0;
1616         vec3_t mi, ma;
1617         prvm_eval_t *valendpos, *val;
1618
1619         if(!prog->fieldoffsets.camera_transform)
1620                 return;
1621         valendpos = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_endpos);
1622         if(!valendpos)
1623                 return;
1624
1625         for(i = 0; i < sv.writeentitiestoclient_numeyes; ++i)
1626                 eye_levels[i] = 0;
1627
1628         // check line of sight to portal entities and add them to PVS
1629         for (e = 1, ed = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ed = PRVM_NEXT_EDICT(ed))
1630         {
1631                 if (!ed->priv.server->free)
1632                 {
1633                         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.camera_transform)) && val->function)
1634                         {
1635                                 prog->globals.server->self = e;
1636                                 prog->globals.server->other = sv.writeentitiestoclient_cliententitynumber;
1637                                 VectorCopy(sv.writeentitiestoclient_eyes[0], valendpos->vector);
1638                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_G_VECTOR(OFS_PARM0));
1639                                 VectorClear(PRVM_G_VECTOR(OFS_PARM1));
1640                                 PRVM_ExecuteProgram(val->function, "QC function e.camera_transform is missing");
1641                                 if(!VectorCompare(valendpos->vector, sv.writeentitiestoclient_eyes[0]))
1642                                         VectorCopy(valendpos->vector, camera_origins[n_cameras]);
1643                                 cameras[n_cameras] = e;
1644                                 ++n_cameras;
1645                                 if(n_cameras >= MAX_LEVELNETWORKEYES)
1646                                         break;
1647                         }
1648                 }
1649         }
1650
1651         if(!n_cameras)
1652                 return;
1653
1654         // i is loop counter, is reset to 0 when an eye got added
1655         // j is camera index to check
1656         for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras)
1657         {
1658                 if(!cameras[j])
1659                         continue;
1660                 ed = PRVM_EDICT_NUM(cameras[j]);
1661                 VectorAdd(ed->fields.server->origin, ed->fields.server->mins, mi);
1662                 VectorAdd(ed->fields.server->origin, ed->fields.server->maxs, ma);
1663                 for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k)
1664                 if(eye_levels[k] <= MAX_EYE_RECURSION)
1665                 {
1666                         if(SV_CanSeeBox(sv_cullentities_trace_samples.integer, sv_cullentities_trace_enlarge.value, sv.writeentitiestoclient_eyes[k], mi, ma))
1667                         {
1668                                 eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1;
1669                                 VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1670                                 // 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);
1671                                 sv.writeentitiestoclient_numeyes++;
1672                                 cameras[j] = 0;
1673                                 i = 0;
1674                                 break;
1675                         }
1676                 }
1677         }
1678 }
1679 #else
1680 void SV_AddCameraEyes(void)
1681 {
1682 }
1683 #endif
1684
1685 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1686 {
1687         qboolean need_empty = false;
1688         int i, numsendstates, numcsqcsendstates;
1689         entity_state_t *s;
1690         prvm_edict_t *camera;
1691         qboolean success;
1692         vec3_t eye;
1693
1694         // if there isn't enough space to accomplish anything, skip it
1695         if (msg->cursize + 25 > maxsize)
1696                 return;
1697
1698         sv.writeentitiestoclient_msg = msg;
1699         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1700
1701         sv.writeentitiestoclient_stats_culled_pvs = 0;
1702         sv.writeentitiestoclient_stats_culled_trace = 0;
1703         sv.writeentitiestoclient_stats_visibleentities = 0;
1704         sv.writeentitiestoclient_stats_totalentities = 0;
1705         sv.writeentitiestoclient_numeyes = 0;
1706
1707         // get eye location
1708         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1709         camera = PRVM_EDICT_NUM( client->clientcamera );
1710         VectorAdd(camera->fields.server->origin, clent->fields.server->view_ofs, eye);
1711         sv.writeentitiestoclient_pvsbytes = 0;
1712         // get the PVS values for the eye location, later FatPVS calls will merge
1713         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1714                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1715
1716         // add the eye to a list for SV_CanSeeBox tests
1717         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1718         sv.writeentitiestoclient_numeyes++;
1719
1720         // calculate predicted eye origin for SV_CanSeeBox tests
1721         if (sv_cullentities_trace_prediction.integer)
1722         {
1723                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1724                 vec3_t predeye;
1725                 VectorMA(eye, predtime, camera->fields.server->velocity, predeye);
1726                 if (SV_CanSeeBox(1, 0, eye, predeye, predeye))
1727                 {
1728                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1729                         sv.writeentitiestoclient_numeyes++;
1730                 }
1731                 //if (!sv.writeentitiestoclient_useprediction)
1732                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1733         }
1734
1735         SV_AddCameraEyes();
1736
1737         // build PVS from the new eyes
1738         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1739                 for(i = 1; i < sv.writeentitiestoclient_numeyes; ++i)
1740                         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);
1741
1742         sv.sententitiesmark++;
1743
1744         for (i = 0;i < sv.numsendentities;i++)
1745                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1746
1747         numsendstates = 0;
1748         numcsqcsendstates = 0;
1749         for (i = 0;i < sv.numsendentities;i++)
1750         {
1751                 s = &sv.sendentities[i];
1752                 if (sv.sententities[s->number] == sv.sententitiesmark)
1753                 {
1754                         if(s->active == ACTIVE_NETWORK)
1755                         {
1756                                 if (s->exteriormodelforclient)
1757                                 {
1758                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1759                                                 s->flags |= RENDER_EXTERIORMODEL;
1760                                         else
1761                                                 s->flags &= ~RENDER_EXTERIORMODEL;
1762                                 }
1763                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
1764                         }
1765                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1766                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
1767                         else
1768                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
1769                 }
1770         }
1771
1772         if (sv_cullentities_stats.integer)
1773                 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);
1774
1775         if(client->entitydatabase5)
1776                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1777         else
1778                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1779
1780         if(client->num_skippedentityframes >= 10)
1781                 need_empty = true; // force every 10th frame to be not empty (or cl_movement replay takes too long)
1782
1783         if (client->entitydatabase5)
1784                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1785         else if (client->entitydatabase4)
1786         {
1787                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1788                 Protocol_WriteStatsReliable();
1789         }
1790         else if (client->entitydatabase)
1791         {
1792                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1793                 Protocol_WriteStatsReliable();
1794         }
1795         else
1796         {
1797                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1798                 Protocol_WriteStatsReliable();
1799         }
1800
1801         if(success)
1802                 client->num_skippedentityframes = 0;
1803         else
1804                 ++client->num_skippedentityframes;
1805 }
1806
1807 /*
1808 =============
1809 SV_CleanupEnts
1810
1811 =============
1812 */
1813 static void SV_CleanupEnts (void)
1814 {
1815         int             e;
1816         prvm_edict_t    *ent;
1817
1818         ent = PRVM_NEXT_EDICT(prog->edicts);
1819         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1820                 ent->fields.server->effects = (int)ent->fields.server->effects & ~EF_MUZZLEFLASH;
1821 }
1822
1823 /*
1824 ==================
1825 SV_WriteClientdataToMessage
1826
1827 ==================
1828 */
1829 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1830 {
1831         int             bits;
1832         int             i;
1833         prvm_edict_t    *other;
1834         int             items;
1835         prvm_eval_t     *val;
1836         vec3_t  punchvector;
1837         int             viewzoom;
1838         const char *s;
1839         float   *statsf = (float *)stats;
1840
1841 //
1842 // send a damage message
1843 //
1844         if (ent->fields.server->dmg_take || ent->fields.server->dmg_save)
1845         {
1846                 other = PRVM_PROG_TO_EDICT(ent->fields.server->dmg_inflictor);
1847                 MSG_WriteByte (msg, svc_damage);
1848                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_save);
1849                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_take);
1850                 for (i=0 ; i<3 ; i++)
1851                         MSG_WriteCoord (msg, other->fields.server->origin[i] + 0.5*(other->fields.server->mins[i] + other->fields.server->maxs[i]), sv.protocol);
1852
1853                 ent->fields.server->dmg_take = 0;
1854                 ent->fields.server->dmg_save = 0;
1855         }
1856
1857 //
1858 // send the current viewpos offset from the view entity
1859 //
1860         SV_SetIdealPitch ();            // how much to look up / down ideally
1861
1862 // a fixangle might get lost in a dropped packet.  Oh well.
1863         if(ent->fields.server->fixangle)
1864         {
1865                 // angle fixing was requested by global thinking code...
1866                 // so store the current angles for later use
1867                 memcpy(host_client->fixangle_angles, ent->fields.server->angles, sizeof(host_client->fixangle_angles));
1868                 host_client->fixangle_angles_set = TRUE;
1869
1870                 // and clear fixangle for the next frame
1871                 ent->fields.server->fixangle = 0;
1872         }
1873
1874         if (host_client->fixangle_angles_set)
1875         {
1876                 MSG_WriteByte (msg, svc_setangle);
1877                 for (i=0 ; i < 3 ; i++)
1878                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
1879                 host_client->fixangle_angles_set = FALSE;
1880         }
1881
1882         // stuff the sigil bits into the high bits of items for sbar, or else
1883         // mix in items2
1884         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.items2);
1885         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1886                 items = (int)ent->fields.server->items | ((int)val->_float << 23);
1887         else
1888                 items = (int)ent->fields.server->items | ((int)prog->globals.server->serverflags << 28);
1889
1890         VectorClear(punchvector);
1891         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.punchvector)))
1892                 VectorCopy(val->vector, punchvector);
1893
1894         // cache weapon model name and index in client struct to save time
1895         // (this search can be almost 1% of cpu time!)
1896         s = PRVM_GetString(ent->fields.server->weaponmodel);
1897         if (strcmp(s, client->weaponmodel))
1898         {
1899                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
1900                 client->weaponmodelindex = SV_ModelIndex(s, 1);
1901         }
1902
1903         viewzoom = 255;
1904         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewzoom)))
1905                 viewzoom = (int)(val->_float * 255.0f);
1906         if (viewzoom == 0)
1907                 viewzoom = 255;
1908
1909         bits = 0;
1910
1911         if ((int)ent->fields.server->flags & FL_ONGROUND)
1912                 bits |= SU_ONGROUND;
1913         if (ent->fields.server->waterlevel >= 2)
1914                 bits |= SU_INWATER;
1915         if (ent->fields.server->idealpitch)
1916                 bits |= SU_IDEALPITCH;
1917
1918         for (i=0 ; i<3 ; i++)
1919         {
1920                 if (ent->fields.server->punchangle[i])
1921                         bits |= (SU_PUNCH1<<i);
1922                 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)
1923                         if (punchvector[i])
1924                                 bits |= (SU_PUNCHVEC1<<i);
1925                 if (ent->fields.server->velocity[i])
1926                         bits |= (SU_VELOCITY1<<i);
1927         }
1928
1929         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
1930         stats[STAT_VIEWHEIGHT] = (int)ent->fields.server->view_ofs[2];
1931         stats[STAT_ITEMS] = items;
1932         stats[STAT_WEAPONFRAME] = (int)ent->fields.server->weaponframe;
1933         stats[STAT_ARMOR] = (int)ent->fields.server->armorvalue;
1934         stats[STAT_WEAPON] = client->weaponmodelindex;
1935         stats[STAT_HEALTH] = (int)ent->fields.server->health;
1936         stats[STAT_AMMO] = (int)ent->fields.server->currentammo;
1937         stats[STAT_SHELLS] = (int)ent->fields.server->ammo_shells;
1938         stats[STAT_NAILS] = (int)ent->fields.server->ammo_nails;
1939         stats[STAT_ROCKETS] = (int)ent->fields.server->ammo_rockets;
1940         stats[STAT_CELLS] = (int)ent->fields.server->ammo_cells;
1941         stats[STAT_ACTIVEWEAPON] = (int)ent->fields.server->weapon;
1942         stats[STAT_VIEWZOOM] = viewzoom;
1943         stats[STAT_TOTALSECRETS] = (int)prog->globals.server->total_secrets;
1944         stats[STAT_TOTALMONSTERS] = (int)prog->globals.server->total_monsters;
1945         // the QC bumps these itself by sending svc_'s, so we have to keep them
1946         // zero or they'll be corrected by the engine
1947         //stats[STAT_SECRETS] = prog->globals.server->found_secrets;
1948         //stats[STAT_MONSTERS] = prog->globals.server->killed_monsters;
1949
1950         // movement settings for prediction
1951         // note: these are not sent in protocols with lower MAX_CL_STATS limits
1952         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
1953                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
1954                 | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0)
1955                 | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0)
1956         ;
1957         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
1958         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
1959         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
1960         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
1961         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
1962         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
1963         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
1964         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
1965         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
1966         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.gravity);
1967         statsf[STAT_MOVEVARS_ENTGRAVITY] = (val && val->_float != 0) ? val->_float : 1.0f;
1968         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
1969         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
1970         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
1971         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
1972         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
1973         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
1974         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
1975         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
1976         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
1977         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
1978         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
1979         statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value;
1980         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
1981         statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value;
1982         statsf[STAT_MOVEVARS_AIRCONTROL_PENALTY] = sv_aircontrol_penalty.value;
1983         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
1984         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
1985         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
1986         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
1987         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
1988         statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW] = sv_airspeedlimit_nonqw.value;
1989         statsf[STAT_FRAGLIMIT] = fraglimit.value;
1990         statsf[STAT_TIMELIMIT] = timelimit.value;
1991
1992         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)
1993         {
1994                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
1995                 bits |= SU_ITEMS;
1996                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
1997                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
1998                 bits |= SU_WEAPON;
1999                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
2000                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2001                         if (viewzoom != 255)
2002                                 bits |= SU_VIEWZOOM;
2003         }
2004
2005         if (bits >= 65536)
2006                 bits |= SU_EXTEND1;
2007         if (bits >= 16777216)
2008                 bits |= SU_EXTEND2;
2009
2010         // send the data
2011         MSG_WriteByte (msg, svc_clientdata);
2012         MSG_WriteShort (msg, bits);
2013         if (bits & SU_EXTEND1)
2014                 MSG_WriteByte(msg, bits >> 16);
2015         if (bits & SU_EXTEND2)
2016                 MSG_WriteByte(msg, bits >> 24);
2017
2018         if (bits & SU_VIEWHEIGHT)
2019                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
2020
2021         if (bits & SU_IDEALPITCH)
2022                 MSG_WriteChar (msg, (int)ent->fields.server->idealpitch);
2023
2024         for (i=0 ; i<3 ; i++)
2025         {
2026                 if (bits & (SU_PUNCH1<<i))
2027                 {
2028                         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)
2029                                 MSG_WriteChar(msg, (int)ent->fields.server->punchangle[i]);
2030                         else
2031                                 MSG_WriteAngle16i(msg, ent->fields.server->punchangle[i]);
2032                 }
2033                 if (bits & (SU_PUNCHVEC1<<i))
2034                 {
2035                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2036                                 MSG_WriteCoord16i(msg, punchvector[i]);
2037                         else
2038                                 MSG_WriteCoord32f(msg, punchvector[i]);
2039                 }
2040                 if (bits & (SU_VELOCITY1<<i))
2041                 {
2042                         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)
2043                                 MSG_WriteChar(msg, (int)(ent->fields.server->velocity[i] * (1.0f / 16.0f)));
2044                         else
2045                                 MSG_WriteCoord32f(msg, ent->fields.server->velocity[i]);
2046                 }
2047         }
2048
2049         if (bits & SU_ITEMS)
2050                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
2051
2052         if (sv.protocol == PROTOCOL_DARKPLACES5)
2053         {
2054                 if (bits & SU_WEAPONFRAME)
2055                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
2056                 if (bits & SU_ARMOR)
2057                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
2058                 if (bits & SU_WEAPON)
2059                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
2060                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2061                 MSG_WriteShort (msg, stats[STAT_AMMO]);
2062                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
2063                 MSG_WriteShort (msg, stats[STAT_NAILS]);
2064                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
2065                 MSG_WriteShort (msg, stats[STAT_CELLS]);
2066                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
2067                 if (bits & SU_VIEWZOOM)
2068                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2069         }
2070         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)
2071         {
2072                 if (bits & SU_WEAPONFRAME)
2073                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
2074                 if (bits & SU_ARMOR)
2075                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
2076                 if (bits & SU_WEAPON)
2077                 {
2078                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2079                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
2080                         else
2081                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
2082                 }
2083                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2084                 MSG_WriteByte (msg, stats[STAT_AMMO]);
2085                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
2086                 MSG_WriteByte (msg, stats[STAT_NAILS]);
2087                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
2088                 MSG_WriteByte (msg, stats[STAT_CELLS]);
2089                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
2090                 {
2091                         for (i = 0;i < 32;i++)
2092                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
2093                                         break;
2094                         MSG_WriteByte (msg, i);
2095                 }
2096                 else
2097                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
2098                 if (bits & SU_VIEWZOOM)
2099                 {
2100                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2101                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
2102                         else
2103                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2104                 }
2105         }
2106 }
2107
2108 void SV_FlushBroadcastMessages(void)
2109 {
2110         int i;
2111         client_t *client;
2112         if (sv.datagram.cursize <= 0)
2113                 return;
2114         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2115         {
2116                 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])))
2117                         continue;
2118                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2119                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2120         }
2121         SZ_Clear(&sv.datagram);
2122 }
2123
2124 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2125 {
2126         // scan the splitpoints to find out how many we can fit in
2127         int numsegments, j, split;
2128         if (!client->unreliablemsg_splitpoints)
2129                 return;
2130         // always accept the first one if it's within 1024 bytes, this ensures
2131         // that very big datagrams which are over the rate limit still get
2132         // through, just to keep it working
2133         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2134                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2135                         break;
2136         // the first segment gets an exemption from the rate limiting, otherwise
2137         // it could get dropped consistently due to a low rate limit
2138         if (numsegments == 1)
2139                 maxsize = maxsize2;
2140         // some will fit, so add the ones that will fit
2141         split = client->unreliablemsg_splitpoint[numsegments-1];
2142         // note this discards ones that were accepted by the segments scan but
2143         // can not fit, such as a really huge first one that will never ever
2144         // fit in a packet...
2145         if (msg->cursize + split <= maxsize)
2146                 SZ_Write(msg, client->unreliablemsg.data, split);
2147         // remove the part we sent, keeping any remaining data
2148         client->unreliablemsg.cursize -= split;
2149         if (client->unreliablemsg.cursize > 0)
2150                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2151         // adjust remaining splitpoints
2152         client->unreliablemsg_splitpoints -= numsegments;
2153         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2154                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2155 }
2156
2157 /*
2158 =======================
2159 SV_SendClientDatagram
2160 =======================
2161 */
2162 static void SV_SendClientDatagram (client_t *client)
2163 {
2164         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2165         sizebuf_t msg;
2166         int stats[MAX_CL_STATS];
2167         static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2168
2169         // obey rate limit by limiting packet frequency if the packet size
2170         // limiting fails
2171         // (usually this is caused by reliable messages)
2172         if (!NetConn_CanSend(client->netconnection))
2173                 return;
2174
2175         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2176         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2177         if (sv_maxrate.integer != maxrate)
2178                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2179
2180         // clientrate determines the 'cleartime' of a packet
2181         // (how long to wait before sending another, based on this packet's size)
2182         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2183
2184         switch (sv.protocol)
2185         {
2186         case PROTOCOL_QUAKE:
2187         case PROTOCOL_QUAKEDP:
2188         case PROTOCOL_NEHAHRAMOVIE:
2189         case PROTOCOL_NEHAHRABJP:
2190         case PROTOCOL_NEHAHRABJP2:
2191         case PROTOCOL_NEHAHRABJP3:
2192         case PROTOCOL_QUAKEWORLD:
2193                 // no packet size limit support on Quake protocols because it just
2194                 // causes missing entities/effects
2195                 // packets are simply sent less often to obey the rate limit
2196                 maxsize = 1024;
2197                 maxsize2 = 1024;
2198                 break;
2199         case PROTOCOL_DARKPLACES1:
2200         case PROTOCOL_DARKPLACES2:
2201         case PROTOCOL_DARKPLACES3:
2202         case PROTOCOL_DARKPLACES4:
2203                 // no packet size limit support on DP1-4 protocols because they kick
2204                 // the client off if they overflow, and miss effects
2205                 // packets are simply sent less often to obey the rate limit
2206                 maxsize = sizeof(sv_sendclientdatagram_buf);
2207                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2208                 break;
2209         default:
2210                 // DP5 and later protocols support packet size limiting which is a
2211                 // better method than limiting packet frequency as QW does
2212                 //
2213                 // at very low rates (or very small sys_ticrate) the packet size is
2214                 // not reduced below 128, but packets may be sent less often
2215                 maxsize = (int)(clientrate * sys_ticrate.value);
2216                 maxsize = bound(128, maxsize, 1400);
2217                 maxsize2 = 1400;
2218                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2219                 // mods that use csqc (they are likely to use less bandwidth anyway)
2220                 if (sv.csqc_progsize > 0)
2221                         maxsize = maxsize2;
2222                 break;
2223         }
2224
2225         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2226         {
2227                 // for good singleplayer, send huge packets
2228                 maxsize = sizeof(sv_sendclientdatagram_buf);
2229                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2230                 // never limit frequency in singleplayer
2231                 clientrate = 1000000000;
2232         }
2233
2234         // while downloading, limit entity updates to half the packet
2235         // (any leftover space will be used for downloading)
2236         if (host_client->download_file)
2237                 maxsize /= 2;
2238
2239         msg.data = sv_sendclientdatagram_buf;
2240         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2241         msg.cursize = 0;
2242         msg.allowoverflow = false;
2243
2244         if (host_client->spawned)
2245         {
2246                 // the player is in the game
2247                 MSG_WriteByte (&msg, svc_time);
2248                 MSG_WriteFloat (&msg, sv.time);
2249
2250                 // add the client specific data to the datagram
2251                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2252                 // now update the stats[] array using any registered custom fields
2253                 VM_SV_UpdateCustomStats (client, client->edict, &msg, stats);
2254                 // set host_client->statsdeltabits
2255                 Protocol_UpdateClientStats (stats);
2256
2257                 // add as many queued unreliable messages (effects) as we can fit
2258                 // limit effects to half of the remaining space
2259                 if (client->unreliablemsg.cursize)
2260                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2261
2262                 // now write as many entities as we can fit, and also sends stats
2263                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2264         }
2265         else if (realtime > client->keepalivetime)
2266         {
2267                 // the player isn't totally in the game yet
2268                 // send small keepalive messages if too much time has passed
2269                 // (may also be sending downloads)
2270                 client->keepalivetime = realtime + 5;
2271                 MSG_WriteChar (&msg, svc_nop);
2272         }
2273
2274         // if a download is active, see if there is room to fit some download data
2275         // in this packet
2276         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2277         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2278         {
2279                 fs_offset_t downloadstart;
2280                 unsigned char data[1400];
2281                 downloadstart = FS_Tell(host_client->download_file);
2282                 downloadsize = min(downloadsize, (int)sizeof(data));
2283                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2284                 // note this sends empty messages if at the end of the file, which is
2285                 // necessary to keep the packet loss logic working
2286                 // (the last blocks may be lost and need to be re-sent, and that will
2287                 //  only occur if the client acks the empty end messages, revealing
2288                 //  a gap in the download progress, causing the last blocks to be
2289                 //  sent again)
2290                 MSG_WriteChar (&msg, svc_downloaddata);
2291                 MSG_WriteLong (&msg, downloadstart);
2292                 MSG_WriteShort (&msg, downloadsize);
2293                 if (downloadsize > 0)
2294                         SZ_Write (&msg, data, downloadsize);
2295         }
2296
2297         // reliable only if none is in progress
2298         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2299                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2300         // unreliable
2301         SV_WriteDemoMessage(client, &msg, false);
2302
2303 // send the datagram
2304         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2305         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2306                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2307 }
2308
2309 /*
2310 =======================
2311 SV_UpdateToReliableMessages
2312 =======================
2313 */
2314 static void SV_UpdateToReliableMessages (void)
2315 {
2316         int i, j;
2317         client_t *client;
2318         prvm_eval_t *val;
2319         const char *name;
2320         const char *model;
2321         const char *skin;
2322
2323 // check for changes to be sent over the reliable streams
2324         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2325         {
2326                 // update the host_client fields we care about according to the entity fields
2327                 host_client->edict = PRVM_EDICT_NUM(i+1);
2328
2329                 // DP_SV_CLIENTNAME
2330                 name = PRVM_GetString(host_client->edict->fields.server->netname);
2331                 if (name == NULL)
2332                         name = "";
2333                 // always point the string back at host_client->name to keep it safe
2334                 strlcpy (host_client->name, name, sizeof (host_client->name));
2335                 host_client->edict->fields.server->netname = PRVM_SetEngineString(host_client->name);
2336                 if (strcmp(host_client->old_name, host_client->name))
2337                 {
2338                         if (host_client->spawned)
2339                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2340                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2341                         // send notification to all clients
2342                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2343                         MSG_WriteByte (&sv.reliable_datagram, i);
2344                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2345                         SV_WriteNetnameIntoDemo(host_client);
2346                 }
2347
2348                 // DP_SV_CLIENTCOLORS
2349                 // this is always found (since it's added by the progs loader)
2350                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcolors)))
2351                         host_client->colors = (int)val->_float;
2352                 if (host_client->old_colors != host_client->colors)
2353                 {
2354                         host_client->old_colors = host_client->colors;
2355                         // send notification to all clients
2356                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2357                         MSG_WriteByte (&sv.reliable_datagram, i);
2358                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2359                 }
2360
2361                 // NEXUIZ_PLAYERMODEL
2362                 if( prog->fieldoffsets.playermodel >= 0 ) {
2363                         model = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string);
2364                         if (model == NULL)
2365                                 model = "";
2366                         // always point the string back at host_client->name to keep it safe
2367                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2368                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(host_client->playermodel);
2369                 }
2370
2371                 // NEXUIZ_PLAYERSKIN
2372                 if( prog->fieldoffsets.playerskin >= 0 ) {
2373                         skin = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string);
2374                         if (skin == NULL)
2375                                 skin = "";
2376                         // always point the string back at host_client->name to keep it safe
2377                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2378                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(host_client->playerskin);
2379                 }
2380
2381                 // TODO: add an extension name for this [1/17/2008 Black]
2382                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcamera)) && val->edict > 0 ) {
2383                         int oldclientcamera = host_client->clientcamera;
2384                         if( val->edict >= prog->max_edicts || PRVM_EDICT_NUM( val->edict )->priv.required->free ) {
2385                                 val->edict = host_client->clientcamera = PRVM_NUM_FOR_EDICT( host_client->edict );
2386                         } else {
2387                                 host_client->clientcamera = val->edict;
2388                         }
2389
2390                         if( oldclientcamera != host_client->clientcamera ) {
2391                                 MSG_WriteByte (&host_client->netconnection->message, svc_setview );
2392                                 MSG_WriteShort (&host_client->netconnection->message, host_client->clientcamera);
2393                         }
2394                 }
2395
2396                 // frags
2397                 host_client->frags = (int)host_client->edict->fields.server->frags;
2398                 if(gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
2399                         if(!host_client->spawned && host_client->netconnection)
2400                                 host_client->frags = -666;
2401                 if (host_client->old_frags != host_client->frags)
2402                 {
2403                         host_client->old_frags = host_client->frags;
2404                         // send notification to all clients
2405                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2406                         MSG_WriteByte (&sv.reliable_datagram, i);
2407                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2408                 }
2409         }
2410
2411         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2412                 if (client->netconnection && (client->spawned || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2413                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2414
2415         SZ_Clear (&sv.reliable_datagram);
2416 }
2417
2418
2419 /*
2420 =======================
2421 SV_SendClientMessages
2422 =======================
2423 */
2424 void SV_SendClientMessages (void)
2425 {
2426         int i, prepared = false;
2427
2428         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2429                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2430
2431         SV_FlushBroadcastMessages();
2432
2433 // update frags, names, etc
2434         SV_UpdateToReliableMessages();
2435
2436 // build individual updates
2437         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2438         {
2439                 if (!host_client->active)
2440                         continue;
2441                 if (!host_client->netconnection)
2442                         continue;
2443
2444                 if (host_client->netconnection->message.overflowed)
2445                 {
2446                         SV_DropClient (true);   // if the message couldn't send, kick off
2447                         continue;
2448                 }
2449
2450                 if (!prepared)
2451                 {
2452                         prepared = true;
2453                         // only prepare entities once per frame
2454                         SV_PrepareEntitiesForSending();
2455                 }
2456                 SV_SendClientDatagram (host_client);
2457         }
2458
2459 // clear muzzle flashes
2460         SV_CleanupEnts();
2461 }
2462
2463 static void SV_StartDownload_f(void)
2464 {
2465         if (host_client->download_file)
2466                 host_client->download_started = true;
2467 }
2468
2469 /*
2470  * Compression extension negotiation:
2471  *
2472  * Server to client:
2473  *   cl_serverextension_download 2
2474  *
2475  * Client to server:
2476  *   download <filename> <list of zero or more suppported compressions in order of preference>
2477  * e.g.
2478  *   download maps/map1.bsp lzo deflate huffman
2479  *
2480  * Server to client:
2481  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2482  * e.g.
2483  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2484  *
2485  * The server may choose not to compress the file by sending no compression name, like:
2486  *   cl_downloadbegin 345678 maps/map1.bsp
2487  *
2488  * NOTE: the "download" command may only specify compression algorithms if
2489  *       cl_serverextension_download is 2!
2490  *       If cl_serverextension_download has a different value, the client must
2491  *       assume this extension is not supported!
2492  */
2493
2494 static void Download_CheckExtensions(void)
2495 {
2496         int i;
2497         int argc = Cmd_Argc();
2498
2499         // first reset them all
2500         host_client->download_deflate = false;
2501
2502         for(i = 2; i < argc; ++i)
2503         {
2504                 if(!strcmp(Cmd_Argv(i), "deflate"))
2505                 {
2506                         host_client->download_deflate = true;
2507                         break;
2508                 }
2509         }
2510 }
2511
2512 static void SV_Download_f(void)
2513 {
2514         const char *whichpack, *whichpack2, *extension;
2515         qboolean is_csqc; // so we need to check only once
2516
2517         if (Cmd_Argc() < 2)
2518         {
2519                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2520                 SV_ClientPrintf("       supported extensions: deflate\n");
2521                 return;
2522         }
2523
2524         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2525         {
2526                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2527                 return;
2528         }
2529
2530         if (host_client->download_file)
2531         {
2532                 // at this point we'll assume the previous download should be aborted
2533                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2534                 Host_ClientCommands("\nstopdownload\n");
2535
2536                 // close the file and reset variables
2537                 FS_Close(host_client->download_file);
2538                 host_client->download_file = NULL;
2539                 host_client->download_name[0] = 0;
2540                 host_client->download_expectedposition = 0;
2541                 host_client->download_started = false;
2542         }
2543
2544         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2545
2546         if (!sv_allowdownloads.integer && !is_csqc)
2547         {
2548                 SV_ClientPrintf("Downloads are disabled on this server\n");
2549                 Host_ClientCommands("\nstopdownload\n");
2550                 return;
2551         }
2552
2553         Download_CheckExtensions();
2554
2555         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2556         extension = FS_FileExtension(host_client->download_name);
2557
2558         // host_client is asking to download a specified file
2559         if (developer_extra.integer)
2560                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2561
2562         if(is_csqc)
2563         {
2564                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2565                 extensions[0] = '\0';
2566
2567                 if(host_client->download_deflate)
2568                         strlcat(extensions, " deflate", sizeof(extensions));
2569
2570                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2571
2572                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2573                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2574                 else
2575                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2576
2577                 // no, no space is needed between %s and %s :P
2578                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2579
2580                 host_client->download_expectedposition = 0;
2581                 host_client->download_started = false;
2582                 host_client->sendsignon = true; // make sure this message is sent
2583                 return;
2584         }
2585
2586         if (!FS_FileExists(host_client->download_name))
2587         {
2588                 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);
2589                 Host_ClientCommands("\nstopdownload\n");
2590                 return;
2591         }
2592
2593         // check if the user is trying to download part of registered Quake(r)
2594         whichpack = FS_WhichPack(host_client->download_name);
2595         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2596         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2597         {
2598                 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);
2599                 Host_ClientCommands("\nstopdownload\n");
2600                 return;
2601         }
2602
2603         // check if the server has forbidden archive downloads entirely
2604         if (!sv_allowdownloads_inarchive.integer)
2605         {
2606                 whichpack = FS_WhichPack(host_client->download_name);
2607                 if (whichpack)
2608                 {
2609                         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);
2610                         Host_ClientCommands("\nstopdownload\n");
2611                         return;
2612                 }
2613         }
2614
2615         if (!sv_allowdownloads_config.integer)
2616         {
2617                 if (!strcasecmp(extension, "cfg"))
2618                 {
2619                         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);
2620                         Host_ClientCommands("\nstopdownload\n");
2621                         return;
2622                 }
2623         }
2624
2625         if (!sv_allowdownloads_dlcache.integer)
2626         {
2627                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2628                 {
2629                         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);
2630                         Host_ClientCommands("\nstopdownload\n");
2631                         return;
2632                 }
2633         }
2634
2635         if (!sv_allowdownloads_archive.integer)
2636         {
2637                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2638                 {
2639                         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);
2640                         Host_ClientCommands("\nstopdownload\n");
2641                         return;
2642                 }
2643         }
2644
2645         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2646         if (!host_client->download_file)
2647         {
2648                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2649                 Host_ClientCommands("\nstopdownload\n");
2650                 return;
2651         }
2652
2653         if (FS_FileSize(host_client->download_file) > 1<<30)
2654         {
2655                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2656                 Host_ClientCommands("\nstopdownload\n");
2657                 FS_Close(host_client->download_file);
2658                 host_client->download_file = NULL;
2659                 return;
2660         }
2661
2662         if (FS_FileSize(host_client->download_file) < 0)
2663         {
2664                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2665                 Host_ClientCommands("\nstopdownload\n");
2666                 FS_Close(host_client->download_file);
2667                 host_client->download_file = NULL;
2668                 return;
2669         }
2670
2671         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2672
2673         /*
2674          * we can only do this if we would actually deflate on the fly
2675          * which we do not (yet)!
2676         {
2677                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2678                 extensions[0] = '\0';
2679
2680                 if(host_client->download_deflate)
2681                         strlcat(extensions, " deflate", sizeof(extensions));
2682
2683                 // no, no space is needed between %s and %s :P
2684                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2685         }
2686         */
2687         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2688
2689         host_client->download_expectedposition = 0;
2690         host_client->download_started = false;
2691         host_client->sendsignon = true; // make sure this message is sent
2692
2693         // the rest of the download process is handled in SV_SendClientDatagram
2694         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2695         //
2696         // no svc_downloaddata messages will be sent until sv_startdownload is
2697         // sent by the client
2698 }
2699
2700 /*
2701 ==============================================================================
2702
2703 SERVER SPAWNING
2704
2705 ==============================================================================
2706 */
2707
2708 /*
2709 ================
2710 SV_ModelIndex
2711
2712 ================
2713 */
2714 int SV_ModelIndex(const char *s, int precachemode)
2715 {
2716         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);
2717         char filename[MAX_QPATH];
2718         if (!s || !*s)
2719                 return 0;
2720         // testing
2721         //if (precachemode == 2)
2722         //      return 0;
2723         strlcpy(filename, s, sizeof(filename));
2724         for (i = 2;i < limit;i++)
2725         {
2726                 if (!sv.model_precache[i][0])
2727                 {
2728                         if (precachemode)
2729                         {
2730                                 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))
2731                                 {
2732                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2733                                         return 0;
2734                                 }
2735                                 if (precachemode == 1)
2736                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2737                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2738                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2739                                 if (sv.state != ss_loading)
2740                                 {
2741                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2742                                         MSG_WriteShort(&sv.reliable_datagram, i);
2743                                         MSG_WriteString(&sv.reliable_datagram, filename);
2744                                 }
2745                                 return i;
2746                         }
2747                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2748                         return 0;
2749                 }
2750                 if (!strcmp(sv.model_precache[i], filename))
2751                         return i;
2752         }
2753         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2754         return 0;
2755 }
2756
2757 /*
2758 ================
2759 SV_SoundIndex
2760
2761 ================
2762 */
2763 int SV_SoundIndex(const char *s, int precachemode)
2764 {
2765         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);
2766         char filename[MAX_QPATH];
2767         if (!s || !*s)
2768                 return 0;
2769         // testing
2770         //if (precachemode == 2)
2771         //      return 0;
2772         strlcpy(filename, s, sizeof(filename));
2773         for (i = 1;i < limit;i++)
2774         {
2775                 if (!sv.sound_precache[i][0])
2776                 {
2777                         if (precachemode)
2778                         {
2779                                 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))
2780                                 {
2781                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2782                                         return 0;
2783                                 }
2784                                 if (precachemode == 1)
2785                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2786                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2787                                 if (sv.state != ss_loading)
2788                                 {
2789                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2790                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2791                                         MSG_WriteString(&sv.reliable_datagram, filename);
2792                                 }
2793                                 return i;
2794                         }
2795                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2796                         return 0;
2797                 }
2798                 if (!strcmp(sv.sound_precache[i], filename))
2799                         return i;
2800         }
2801         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2802         return 0;
2803 }
2804
2805 /*
2806 ================
2807 SV_ParticleEffectIndex
2808
2809 ================
2810 */
2811 int SV_ParticleEffectIndex(const char *name)
2812 {
2813         int i, argc, linenumber, effectnameindex;
2814         int filepass;
2815         fs_offset_t filesize;
2816         unsigned char *filedata;
2817         const char *text;
2818         const char *textstart;
2819         //const char *textend;
2820         char argv[16][1024];
2821         char filename[MAX_QPATH];
2822         if (!sv.particleeffectnamesloaded)
2823         {
2824                 sv.particleeffectnamesloaded = true;
2825                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2826                 for (i = 0;i < EFFECT_TOTAL;i++)
2827                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2828                 for (filepass = 0;;filepass++)
2829                 {
2830                         if (filepass == 0)
2831                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
2832                         else if (filepass == 1)
2833                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
2834                         else
2835                                 break;
2836                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
2837                         if (!filedata)
2838                                 continue;
2839                         textstart = (const char *)filedata;
2840                         //textend = (const char *)filedata + filesize;
2841                         text = textstart;
2842                         for (linenumber = 1;;linenumber++)
2843                         {
2844                                 argc = 0;
2845                                 for (;;)
2846                                 {
2847                                         if (!COM_ParseToken_Simple(&text, true, false) || !strcmp(com_token, "\n"))
2848                                                 break;
2849                                         if (argc < 16)
2850                                         {
2851                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2852                                                 argc++;
2853                                         }
2854                                 }
2855                                 if (com_token[0] == 0)
2856                                         break; // if the loop exited and it's not a \n, it's EOF
2857                                 if (argc < 1)
2858                                         continue;
2859                                 if (!strcmp(argv[0], "effect"))
2860                                 {
2861                                         if (argc == 2)
2862                                         {
2863                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
2864                                                 {
2865                                                         if (sv.particleeffectname[effectnameindex][0])
2866                                                         {
2867                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
2868                                                                         break;
2869                                                         }
2870                                                         else
2871                                                         {
2872                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
2873                                                                 break;
2874                                                         }
2875                                                 }
2876                                                 // if we run out of names, abort
2877                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
2878                                                 {
2879                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
2880                                                         break;
2881                                                 }
2882                                         }
2883                                 }
2884                         }
2885                         Mem_Free(filedata);
2886                 }
2887         }
2888         // search for the name
2889         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
2890                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
2891                         return effectnameindex;
2892         // return 0 if we couldn't find it
2893         return 0;
2894 }
2895
2896 dp_model_t *SV_GetModelByIndex(int modelindex)
2897 {
2898         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2899 }
2900
2901 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
2902 {
2903         int modelindex;
2904         if (!ed || ed->priv.server->free)
2905                 return NULL;
2906         modelindex = (int)ed->fields.server->modelindex;
2907         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2908 }
2909
2910 /*
2911 ================
2912 SV_CreateBaseline
2913
2914 ================
2915 */
2916 static void SV_CreateBaseline (void)
2917 {
2918         int i, entnum, large;
2919         prvm_edict_t *svent;
2920
2921         // LordHavoc: clear *all* states (note just active ones)
2922         for (entnum = 0;entnum < prog->max_edicts;entnum++)
2923         {
2924                 // get the current server version
2925                 svent = PRVM_EDICT_NUM(entnum);
2926
2927                 // LordHavoc: always clear state values, whether the entity is in use or not
2928                 svent->priv.server->baseline = defaultstate;
2929
2930                 if (svent->priv.server->free)
2931                         continue;
2932                 if (entnum > svs.maxclients && !svent->fields.server->modelindex)
2933                         continue;
2934
2935                 // create entity baseline
2936                 VectorCopy (svent->fields.server->origin, svent->priv.server->baseline.origin);
2937                 VectorCopy (svent->fields.server->angles, svent->priv.server->baseline.angles);
2938                 svent->priv.server->baseline.frame = (int)svent->fields.server->frame;
2939                 svent->priv.server->baseline.skin = (int)svent->fields.server->skin;
2940                 if (entnum > 0 && entnum <= svs.maxclients)
2941                 {
2942                         svent->priv.server->baseline.colormap = entnum;
2943                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
2944                 }
2945                 else
2946                 {
2947                         svent->priv.server->baseline.colormap = 0;
2948                         svent->priv.server->baseline.modelindex = (int)svent->fields.server->modelindex;
2949                 }
2950
2951                 large = false;
2952                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
2953                 {
2954                         large = true;
2955                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2956                                 large = false;
2957                 }
2958
2959                 // add to the message
2960                 if (large)
2961                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
2962                 else
2963                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
2964                 MSG_WriteShort (&sv.signon, entnum);
2965
2966                 if (large)
2967                 {
2968                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2969                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
2970                 }
2971                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2972                 {
2973                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2974                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2975                 }
2976                 else
2977                 {
2978                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
2979                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2980                 }
2981                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
2982                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
2983                 for (i=0 ; i<3 ; i++)
2984                 {
2985                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
2986                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
2987                 }
2988         }
2989 }
2990
2991 /*
2992 ================
2993 SV_Prepare_CSQC
2994
2995 Load csprogs.dat and comperss it so it doesn't need to be
2996 reloaded on request.
2997 ================
2998 */
2999 void SV_Prepare_CSQC(void)
3000 {
3001         fs_offset_t progsize;
3002
3003         if(svs.csqc_progdata)
3004         {
3005                 Con_DPrintf("Unloading old CSQC data.\n");
3006                 Mem_Free(svs.csqc_progdata);
3007                 if(svs.csqc_progdata_deflated)
3008                         Mem_Free(svs.csqc_progdata_deflated);
3009         }
3010
3011         svs.csqc_progdata = NULL;
3012         svs.csqc_progdata_deflated = NULL;
3013
3014         sv.csqc_progname[0] = 0;
3015         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
3016
3017         if(progsize > 0)
3018         {
3019                 size_t deflated_size;
3020
3021                 sv.csqc_progsize = (int)progsize;
3022                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
3023                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
3024                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
3025
3026                 Con_DPrint("Compressing csprogs.dat\n");
3027                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
3028                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
3029                 svs.csqc_progsize_deflated = (int)deflated_size;
3030                 if(svs.csqc_progdata_deflated)
3031                 {
3032                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
3033                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
3034                 }
3035                 else
3036                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
3037         }
3038 }
3039
3040 /*
3041 ================
3042 SV_SaveSpawnparms
3043
3044 Grabs the current state of each client for saving across the
3045 transition to another level
3046 ================
3047 */
3048 void SV_SaveSpawnparms (void)
3049 {
3050         int             i, j;
3051
3052         svs.serverflags = (int)prog->globals.server->serverflags;
3053
3054         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3055         {
3056                 if (!host_client->active)
3057                         continue;
3058
3059         // call the progs to get default spawn parms for the new client
3060                 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
3061                 PRVM_ExecuteProgram (prog->globals.server->SetChangeParms, "QC function SetChangeParms is missing");
3062                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
3063                         host_client->spawn_parms[j] = (&prog->globals.server->parm1)[j];
3064         }
3065 }
3066
3067 /*
3068 ================
3069 SV_SpawnServer
3070
3071 This is called at the start of each level
3072 ================
3073 */
3074
3075 void SV_SpawnServer (const char *server)
3076 {
3077         prvm_edict_t *ent;
3078         int i;
3079         char *entities;
3080         dp_model_t *worldmodel;
3081         char modelname[sizeof(sv.worldname)];
3082
3083         Con_DPrintf("SpawnServer: %s\n", server);
3084
3085         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
3086
3087         if (!FS_FileExists(modelname))
3088         {
3089                 dpsnprintf (modelname, sizeof(modelname), "maps/%s", server);
3090                 if (!FS_FileExists(modelname))
3091                 {
3092                         Con_Printf("SpawnServer: no map file named maps/%s.bsp\n", server);
3093                         return;
3094                 }
3095         }
3096
3097         if (cls.state != ca_dedicated)
3098         {
3099                 SCR_BeginLoadingPlaque();
3100                 S_StopAllSounds();
3101         }
3102
3103         if(sv.active)
3104         {
3105                 SV_VM_Begin();
3106                 World_End(&sv.world);
3107                 if(prog->funcoffsets.SV_Shutdown)
3108                 {
3109                         func_t s = prog->funcoffsets.SV_Shutdown;
3110                         prog->funcoffsets.SV_Shutdown = 0; // prevent it from getting called again
3111                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
3112                 }
3113                 SV_VM_End();
3114         }
3115
3116         // free q3 shaders so that any newly downloaded shaders will be active
3117         Mod_FreeQ3Shaders();
3118
3119         worldmodel = Mod_ForName(modelname, false, developer.integer > 0, NULL);
3120         if (!worldmodel || !worldmodel->TraceBox)
3121         {
3122                 Con_Printf("Couldn't load map %s\n", modelname);
3123                 return;
3124         }
3125
3126         // let's not have any servers with no name
3127         if (hostname.string[0] == 0)
3128                 Cvar_Set ("hostname", "UNNAMED");
3129         scr_centertime_off = 0;
3130
3131         svs.changelevel_issued = false;         // now safe to issue another
3132
3133         // make the map a required file for clients
3134         Curl_ClearRequirements();
3135         Curl_RequireFile(modelname);
3136
3137 //
3138 // tell all connected clients that we are going to a new level
3139 //
3140         if (sv.active)
3141         {
3142                 client_t *client;
3143                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3144                 {
3145                         if (client->netconnection)
3146                         {
3147                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3148                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3149                         }
3150                 }
3151         }
3152         else
3153         {
3154                 // open server port
3155                 NetConn_OpenServerPorts(true);
3156         }
3157
3158 //
3159 // make cvars consistant
3160 //
3161         if (coop.integer)
3162                 Cvar_SetValue ("deathmatch", 0);
3163         // LordHavoc: it can be useful to have skills outside the range 0-3...
3164         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3165         //Cvar_SetValue ("skill", (float)current_skill);
3166         current_skill = (int)(skill.value + 0.5);
3167
3168 //
3169 // set up the new server
3170 //
3171         memset (&sv, 0, sizeof(sv));
3172         // if running a local client, make sure it doesn't try to access the last
3173         // level's data which is no longer valiud
3174         cls.signon = 0;
3175
3176         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
3177
3178         if(*sv_random_seed.string)
3179         {
3180                 srand(sv_random_seed.integer);
3181                 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);
3182         }
3183
3184         SV_VM_Setup();
3185
3186         sv.active = true;
3187
3188         // set level base name variables for later use
3189         strlcpy (sv.name, server, sizeof (sv.name));
3190         strlcpy(sv.worldname, modelname, sizeof(sv.worldname));
3191         FS_StripExtension(sv.worldname, sv.worldnamenoextension, sizeof(sv.worldnamenoextension));
3192         strlcpy(sv.worldbasename, !strncmp(sv.worldnamenoextension, "maps/", 5) ? sv.worldnamenoextension + 5 : sv.worldnamenoextension, sizeof(sv.worldbasename));
3193         //Cvar_SetQuick(&sv_worldmessage, sv.worldmessage); // set later after QC is spawned
3194         Cvar_SetQuick(&sv_worldname, sv.worldname);
3195         Cvar_SetQuick(&sv_worldnamenoextension, sv.worldnamenoextension);
3196         Cvar_SetQuick(&sv_worldbasename, sv.worldbasename);
3197
3198         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3199         if (sv.protocol == PROTOCOL_UNKNOWN)
3200         {
3201                 char buffer[1024];
3202                 Protocol_Names(buffer, sizeof(buffer));
3203                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3204                 sv.protocol = PROTOCOL_QUAKE;
3205         }
3206
3207         SV_VM_Begin();
3208
3209 // load progs to get entity field count
3210         //PR_LoadProgs ( sv_progs.string );
3211
3212         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3213         sv.datagram.cursize = 0;
3214         sv.datagram.data = sv.datagram_buf;
3215
3216         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3217         sv.reliable_datagram.cursize = 0;
3218         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3219
3220         sv.signon.maxsize = sizeof(sv.signon_buf);
3221         sv.signon.cursize = 0;
3222         sv.signon.data = sv.signon_buf;
3223
3224 // leave slots at start for clients only
3225         //prog->num_edicts = svs.maxclients+1;
3226
3227         sv.state = ss_loading;
3228         prog->allowworldwrites = true;
3229         sv.paused = false;
3230
3231         prog->globals.server->time = sv.time = 1.0;
3232
3233         Mod_ClearUsed();
3234         worldmodel->used = true;
3235
3236         sv.worldmodel = worldmodel;
3237         sv.models[1] = sv.worldmodel;
3238
3239 //
3240 // clear world interaction links
3241 //
3242         World_SetSize(&sv.world, sv.worldname, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs);
3243         World_Start(&sv.world);
3244
3245         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3246
3247         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3248         strlcpy(sv.model_precache[1], sv.worldname, sizeof(sv.model_precache[1]));
3249         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3250         {
3251                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3252                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.worldname);
3253         }
3254         if(i < sv.worldmodel->brush.numsubmodels)
3255                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3256
3257 //
3258 // load the rest of the entities
3259 //
3260         // AK possible hack since num_edicts is still 0
3261         ent = PRVM_EDICT_NUM(0);
3262         memset (ent->fields.server, 0, prog->progs->entityfields * 4);
3263         ent->priv.server->free = false;
3264         ent->fields.server->model = PRVM_SetEngineString(sv.worldname);
3265         ent->fields.server->modelindex = 1;             // world model
3266         ent->fields.server->solid = SOLID_BSP;
3267         ent->fields.server->movetype = MOVETYPE_PUSH;
3268         VectorCopy(sv.world.mins, ent->fields.server->mins);
3269         VectorCopy(sv.world.maxs, ent->fields.server->maxs);
3270         VectorCopy(sv.world.mins, ent->fields.server->absmin);
3271         VectorCopy(sv.world.maxs, ent->fields.server->absmax);
3272
3273         if (coop.value)
3274                 prog->globals.server->coop = coop.integer;
3275         else
3276                 prog->globals.server->deathmatch = deathmatch.integer;
3277
3278         prog->globals.server->mapname = PRVM_SetEngineString(sv.name);
3279
3280 // serverflags are for cross level information (sigils)
3281         prog->globals.server->serverflags = svs.serverflags;
3282
3283         // we need to reset the spawned flag on all connected clients here so that
3284         // their thinks don't run during startup (before PutClientInServer)
3285         // we also need to set up the client entities now
3286         // and we need to set the ->edict pointers to point into the progs edicts
3287         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3288         {
3289                 host_client->spawned = false;
3290                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3291                 PRVM_ED_ClearEdict(host_client->edict);
3292         }
3293
3294         // load replacement entity file if found
3295         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va("%s.ent", sv.worldnamenoextension), tempmempool, true, NULL)))
3296         {
3297                 Con_Printf("Loaded %s.ent\n", sv.worldnamenoextension);
3298                 PRVM_ED_LoadFromFile (entities);
3299                 Mem_Free(entities);
3300         }
3301         else
3302                 PRVM_ED_LoadFromFile (sv.worldmodel->brush.entities);
3303
3304
3305         // LordHavoc: clear world angles (to fix e3m3.bsp)
3306         VectorClear(prog->edicts->fields.server->angles);
3307
3308 // all setup is completed, any further precache statements are errors
3309 //      sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3310         prog->allowworldwrites = false;
3311
3312 // run two frames to allow everything to settle
3313         prog->globals.server->time = sv.time = 1.0001;
3314         for (i = 0;i < 2;i++)
3315         {
3316                 sv.frametime = 0.1;
3317                 SV_Physics ();
3318         }
3319
3320         if (cls.state == ca_dedicated)
3321                 Mod_PurgeUnused();
3322
3323 // create a baseline for more efficient communications
3324         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)
3325                 SV_CreateBaseline ();
3326
3327         sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3328
3329         // to prevent network timeouts
3330         realtime = Sys_DoubleTime();
3331
3332 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3333         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3334         {
3335                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3336                 if (!host_client->active)
3337                         continue;
3338                 if (host_client->netconnection)
3339                         SV_SendServerinfo(host_client);
3340                 else
3341                 {
3342                         int j;
3343                         // if client is a botclient coming from a level change, we need to
3344                         // set up client info that normally requires networking
3345
3346                         // copy spawn parms out of the client_t
3347                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3348                                 (&prog->globals.server->parm1)[j] = host_client->spawn_parms[j];
3349
3350                         // call the spawn function
3351                         host_client->clientconnectcalled = true;
3352                         prog->globals.server->time = sv.time;
3353                         prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
3354                         PRVM_ExecuteProgram (prog->globals.server->ClientConnect, "QC function ClientConnect is missing");
3355                         PRVM_ExecuteProgram (prog->globals.server->PutClientInServer, "QC function PutClientInServer is missing");
3356                         host_client->spawned = true;
3357                 }
3358         }
3359
3360         // update the map title cvar
3361         strlcpy(sv.worldmessage, PRVM_GetString(prog->edicts->fields.server->message), sizeof(sv.worldmessage)); // map title (not related to filename)
3362         Cvar_SetQuick(&sv_worldmessage, sv.worldmessage);
3363
3364         Con_DPrint("Server spawned.\n");
3365         NetConn_Heartbeat (2);
3366
3367         SV_VM_End();
3368 }
3369
3370 /////////////////////////////////////////////////////
3371 // SV VM stuff
3372
3373 static void SV_VM_CB_BeginIncreaseEdicts(void)
3374 {
3375         // links don't survive the transition, so unlink everything
3376         World_UnlinkAll(&sv.world);
3377 }
3378
3379 static void SV_VM_CB_EndIncreaseEdicts(void)
3380 {
3381         int i;
3382         prvm_edict_t *ent;
3383
3384         // link every entity except world
3385         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
3386                 if (!ent->priv.server->free)
3387                         SV_LinkEdict(ent);
3388 }
3389
3390 static void SV_VM_CB_InitEdict(prvm_edict_t *e)
3391 {
3392         // LordHavoc: for consistency set these here
3393         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3394
3395         e->priv.server->move = false; // don't move on first frame
3396
3397         if (num >= 0 && num < svs.maxclients)
3398         {
3399                 prvm_eval_t *val;
3400                 // set colormap and team on newly created player entity
3401                 e->fields.server->colormap = num + 1;
3402                 e->fields.server->team = (svs.clients[num].colors & 15) + 1;
3403                 // set netname/clientcolors back to client values so that
3404                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3405                 // reset them
3406                 e->fields.server->netname = PRVM_SetEngineString(svs.clients[num].name);
3407                 if ((val = PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.clientcolors)))
3408                         val->_float = svs.clients[num].colors;
3409                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3410                 if( prog->fieldoffsets.playermodel >= 0 )
3411                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(svs.clients[num].playermodel);
3412                 if( prog->fieldoffsets.playerskin >= 0 )
3413                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(svs.clients[num].playerskin);
3414                 // Assign netaddress (IP Address, etc)
3415                 if(prog->fieldoffsets.netaddress >= 0)
3416                 { // Valid Field; Process
3417                         if(svs.clients[num].netconnection != NULL)
3418                         {// Valid Address; Assign
3419                                 // Acquire Readable Address
3420                                 LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3421                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.netaddress)->string = PRVM_SetEngineString(svs.clients[num].netaddress);
3422                         }
3423                         else
3424                                 // Invalid / Bot
3425                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.netaddress)->string = PRVM_SetEngineString("null/botclient");
3426                 }
3427         }
3428 }
3429
3430 static void SV_VM_CB_FreeEdict(prvm_edict_t *ed)
3431 {
3432         int i;
3433         int e;
3434
3435         World_UnlinkEdict(ed);          // unlink from world bsp
3436
3437         ed->fields.server->model = 0;
3438         ed->fields.server->takedamage = 0;
3439         ed->fields.server->modelindex = 0;
3440         ed->fields.server->colormap = 0;
3441         ed->fields.server->skin = 0;
3442         ed->fields.server->frame = 0;
3443         VectorClear(ed->fields.server->origin);
3444         VectorClear(ed->fields.server->angles);
3445         ed->fields.server->nextthink = -1;
3446         ed->fields.server->solid = 0;
3447
3448         VM_RemoveEdictSkeleton(ed);
3449         World_Physics_RemoveFromEntity(&sv.world, ed);
3450         World_Physics_RemoveJointFromEntity(&sv.world, ed);
3451
3452         // make sure csqc networking is aware of the removed entity
3453         e = PRVM_NUM_FOR_EDICT(ed);
3454         sv.csqcentityversion[e] = 0;
3455         for (i = 0;i < svs.maxclients;i++)
3456         {
3457                 if (svs.clients[i].csqcentityscope[e])
3458                         svs.clients[i].csqcentityscope[e] = 1; // removed, awaiting send
3459                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3460         }
3461 }
3462
3463 static void SV_VM_CB_CountEdicts(void)
3464 {
3465         int             i;
3466         prvm_edict_t    *ent;
3467         int             active, models, solid, step;
3468
3469         active = models = solid = step = 0;
3470         for (i=0 ; i<prog->num_edicts ; i++)
3471         {
3472                 ent = PRVM_EDICT_NUM(i);
3473                 if (ent->priv.server->free)
3474                         continue;
3475                 active++;
3476                 if (ent->fields.server->solid)
3477                         solid++;
3478                 if (ent->fields.server->model)
3479                         models++;
3480                 if (ent->fields.server->movetype == MOVETYPE_STEP)
3481                         step++;
3482         }
3483
3484         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3485         Con_Printf("active    :%3i\n", active);
3486         Con_Printf("view      :%3i\n", models);
3487         Con_Printf("touch     :%3i\n", solid);
3488         Con_Printf("step      :%3i\n", step);
3489 }
3490
3491 static qboolean SV_VM_CB_LoadEdict(prvm_edict_t *ent)
3492 {
3493         // remove things from different skill levels or deathmatch
3494         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3495         {
3496                 if (deathmatch.integer)
3497                 {
3498                         if (((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_DEATHMATCH))
3499                         {
3500                                 return false;
3501                         }
3502                 }
3503                 else if ((current_skill <= 0 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_EASY  ))
3504                         || (current_skill == 1 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_MEDIUM))
3505                         || (current_skill >= 2 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_HARD  )))
3506                 {
3507                         return false;
3508                 }
3509         }
3510         return true;
3511 }
3512
3513 static void SV_VM_Setup(void)
3514 {
3515         PRVM_Begin;
3516         PRVM_InitProg( PRVM_SERVERPROG );
3517
3518         // allocate the mempools
3519         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3520         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3521         prog->builtins = vm_sv_builtins;
3522         prog->numbuiltins = vm_sv_numbuiltins;
3523         prog->headercrc = PROGHEADER_CRC;
3524         prog->headercrc2 = PROGHEADER_CRC_TENEBRAE;
3525         prog->max_edicts = 512;
3526         if (sv.protocol == PROTOCOL_QUAKE)
3527                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3528         else if (sv.protocol == PROTOCOL_QUAKEDP)
3529                 prog->limit_edicts = 2048; // guessing
3530         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3531                 prog->limit_edicts = 2048; // guessing!
3532         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3533                 prog->limit_edicts = 4096; // guessing!
3534         else
3535                 prog->limit_edicts = MAX_EDICTS;
3536         prog->reserved_edicts = svs.maxclients;
3537         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3538         prog->name = "server";
3539         prog->extensionstring = vm_sv_extensions;
3540         prog->loadintoworld = true;
3541
3542         prog->begin_increase_edicts = SV_VM_CB_BeginIncreaseEdicts;
3543         prog->end_increase_edicts = SV_VM_CB_EndIncreaseEdicts;
3544         prog->init_edict = SV_VM_CB_InitEdict;
3545         prog->free_edict = SV_VM_CB_FreeEdict;
3546         prog->count_edicts = SV_VM_CB_CountEdicts;
3547         prog->load_edict = SV_VM_CB_LoadEdict;
3548         prog->init_cmd = VM_SV_Cmd_Init;
3549         prog->reset_cmd = VM_SV_Cmd_Reset;
3550         prog->error_cmd = Host_Error;
3551         prog->ExecuteProgram = SVVM_ExecuteProgram;
3552
3553         // TODO: add a requiredfuncs list (ask LH if this is necessary at all)
3554         PRVM_LoadProgs( sv_progs.string, 0, NULL, REQFIELDS, reqfields, 0, NULL );
3555
3556         // some mods compiled with scrambling compilers lack certain critical
3557         // global names and field names such as "self" and "time" and "nextthink"
3558         // so we have to set these offsets manually, matching the entvars_t
3559         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3560         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3561         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3562         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3563         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3564         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
3565         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3566         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3567         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
3568         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
3569         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
3570         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
3571         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
3572         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
3573         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
3574         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
3575         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
3576         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
3577         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
3578         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
3579         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
3580         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
3581         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
3582         // OP_STATE is always supported on server (due to entvars_t)
3583         prog->flag |= PRVM_OP_STATE;
3584
3585         VM_CustomStats_Clear();//[515]: csqc
3586
3587         PRVM_End;
3588
3589         SV_Prepare_CSQC();
3590 }
3591
3592 void SV_VM_Begin(void)
3593 {
3594         PRVM_Begin;
3595         PRVM_SetProg( PRVM_SERVERPROG );
3596
3597         prog->globals.server->time = (float) sv.time;
3598 }
3599
3600 void SV_VM_End(void)
3601 {
3602         PRVM_End;
3603 }