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                                 {
1643                                         VectorCopy(valendpos->vector, camera_origins[n_cameras]);
1644                                         cameras[n_cameras] = e;
1645                                         ++n_cameras;
1646                                         if(n_cameras >= MAX_LEVELNETWORKEYES)
1647                                                 break;
1648                                 }
1649                         }
1650                 }
1651         }
1652
1653         if(!n_cameras)
1654                 return;
1655
1656         // i is loop counter, is reset to 0 when an eye got added
1657         // j is camera index to check
1658         for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras)
1659         {
1660                 if(!cameras[j])
1661                         continue;
1662                 ed = PRVM_EDICT_NUM(cameras[j]);
1663                 VectorAdd(ed->fields.server->origin, ed->fields.server->mins, mi);
1664                 VectorAdd(ed->fields.server->origin, ed->fields.server->maxs, ma);
1665                 for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k)
1666                 if(eye_levels[k] <= MAX_EYE_RECURSION)
1667                 {
1668                         if(SV_CanSeeBox(sv_cullentities_trace_samples.integer, sv_cullentities_trace_enlarge.value, sv.writeentitiestoclient_eyes[k], mi, ma))
1669                         {
1670                                 eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1;
1671                                 VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1672                                 // 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);
1673                                 sv.writeentitiestoclient_numeyes++;
1674                                 cameras[j] = 0;
1675                                 i = 0;
1676                                 break;
1677                         }
1678                 }
1679         }
1680 }
1681 #else
1682 void SV_AddCameraEyes(void)
1683 {
1684 }
1685 #endif
1686
1687 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1688 {
1689         qboolean need_empty = false;
1690         int i, numsendstates, numcsqcsendstates;
1691         entity_state_t *s;
1692         prvm_edict_t *camera;
1693         qboolean success;
1694         vec3_t eye;
1695
1696         // if there isn't enough space to accomplish anything, skip it
1697         if (msg->cursize + 25 > maxsize)
1698                 return;
1699
1700         sv.writeentitiestoclient_msg = msg;
1701         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1702
1703         sv.writeentitiestoclient_stats_culled_pvs = 0;
1704         sv.writeentitiestoclient_stats_culled_trace = 0;
1705         sv.writeentitiestoclient_stats_visibleentities = 0;
1706         sv.writeentitiestoclient_stats_totalentities = 0;
1707         sv.writeentitiestoclient_numeyes = 0;
1708
1709         // get eye location
1710         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1711         camera = PRVM_EDICT_NUM( client->clientcamera );
1712         VectorAdd(camera->fields.server->origin, clent->fields.server->view_ofs, eye);
1713         sv.writeentitiestoclient_pvsbytes = 0;
1714         // get the PVS values for the eye location, later FatPVS calls will merge
1715         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1716                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1717
1718         // add the eye to a list for SV_CanSeeBox tests
1719         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1720         sv.writeentitiestoclient_numeyes++;
1721
1722         // calculate predicted eye origin for SV_CanSeeBox tests
1723         if (sv_cullentities_trace_prediction.integer)
1724         {
1725                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1726                 vec3_t predeye;
1727                 VectorMA(eye, predtime, camera->fields.server->velocity, predeye);
1728                 if (SV_CanSeeBox(1, 0, eye, predeye, predeye))
1729                 {
1730                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1731                         sv.writeentitiestoclient_numeyes++;
1732                 }
1733                 //if (!sv.writeentitiestoclient_useprediction)
1734                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1735         }
1736
1737         SV_AddCameraEyes();
1738
1739         // build PVS from the new eyes
1740         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1741                 for(i = 1; i < sv.writeentitiestoclient_numeyes; ++i)
1742                         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);
1743
1744         sv.sententitiesmark++;
1745
1746         for (i = 0;i < sv.numsendentities;i++)
1747                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1748
1749         numsendstates = 0;
1750         numcsqcsendstates = 0;
1751         for (i = 0;i < sv.numsendentities;i++)
1752         {
1753                 s = &sv.sendentities[i];
1754                 if (sv.sententities[s->number] == sv.sententitiesmark)
1755                 {
1756                         if(s->active == ACTIVE_NETWORK)
1757                         {
1758                                 if (s->exteriormodelforclient)
1759                                 {
1760                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1761                                                 s->flags |= RENDER_EXTERIORMODEL;
1762                                         else
1763                                                 s->flags &= ~RENDER_EXTERIORMODEL;
1764                                 }
1765                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
1766                         }
1767                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1768                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
1769                         else
1770                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
1771                 }
1772         }
1773
1774         if (sv_cullentities_stats.integer)
1775                 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);
1776
1777         if(client->entitydatabase5)
1778                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1779         else
1780                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1781
1782         if(client->num_skippedentityframes >= 10)
1783                 need_empty = true; // force every 10th frame to be not empty (or cl_movement replay takes too long)
1784
1785         if (client->entitydatabase5)
1786                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1787         else if (client->entitydatabase4)
1788         {
1789                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1790                 Protocol_WriteStatsReliable();
1791         }
1792         else if (client->entitydatabase)
1793         {
1794                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1795                 Protocol_WriteStatsReliable();
1796         }
1797         else
1798         {
1799                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1800                 Protocol_WriteStatsReliable();
1801         }
1802
1803         if(success)
1804                 client->num_skippedentityframes = 0;
1805         else
1806                 ++client->num_skippedentityframes;
1807 }
1808
1809 /*
1810 =============
1811 SV_CleanupEnts
1812
1813 =============
1814 */
1815 static void SV_CleanupEnts (void)
1816 {
1817         int             e;
1818         prvm_edict_t    *ent;
1819
1820         ent = PRVM_NEXT_EDICT(prog->edicts);
1821         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1822                 ent->fields.server->effects = (int)ent->fields.server->effects & ~EF_MUZZLEFLASH;
1823 }
1824
1825 /*
1826 ==================
1827 SV_WriteClientdataToMessage
1828
1829 ==================
1830 */
1831 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1832 {
1833         int             bits;
1834         int             i;
1835         prvm_edict_t    *other;
1836         int             items;
1837         prvm_eval_t     *val;
1838         vec3_t  punchvector;
1839         int             viewzoom;
1840         const char *s;
1841         float   *statsf = (float *)stats;
1842
1843 //
1844 // send a damage message
1845 //
1846         if (ent->fields.server->dmg_take || ent->fields.server->dmg_save)
1847         {
1848                 other = PRVM_PROG_TO_EDICT(ent->fields.server->dmg_inflictor);
1849                 MSG_WriteByte (msg, svc_damage);
1850                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_save);
1851                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_take);
1852                 for (i=0 ; i<3 ; i++)
1853                         MSG_WriteCoord (msg, other->fields.server->origin[i] + 0.5*(other->fields.server->mins[i] + other->fields.server->maxs[i]), sv.protocol);
1854
1855                 ent->fields.server->dmg_take = 0;
1856                 ent->fields.server->dmg_save = 0;
1857         }
1858
1859 //
1860 // send the current viewpos offset from the view entity
1861 //
1862         SV_SetIdealPitch ();            // how much to look up / down ideally
1863
1864 // a fixangle might get lost in a dropped packet.  Oh well.
1865         if(ent->fields.server->fixangle)
1866         {
1867                 // angle fixing was requested by global thinking code...
1868                 // so store the current angles for later use
1869                 memcpy(host_client->fixangle_angles, ent->fields.server->angles, sizeof(host_client->fixangle_angles));
1870                 host_client->fixangle_angles_set = TRUE;
1871
1872                 // and clear fixangle for the next frame
1873                 ent->fields.server->fixangle = 0;
1874         }
1875
1876         if (host_client->fixangle_angles_set)
1877         {
1878                 MSG_WriteByte (msg, svc_setangle);
1879                 for (i=0 ; i < 3 ; i++)
1880                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
1881                 host_client->fixangle_angles_set = FALSE;
1882         }
1883
1884         // stuff the sigil bits into the high bits of items for sbar, or else
1885         // mix in items2
1886         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.items2);
1887         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1888                 items = (int)ent->fields.server->items | ((int)val->_float << 23);
1889         else
1890                 items = (int)ent->fields.server->items | ((int)prog->globals.server->serverflags << 28);
1891
1892         VectorClear(punchvector);
1893         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.punchvector)))
1894                 VectorCopy(val->vector, punchvector);
1895
1896         // cache weapon model name and index in client struct to save time
1897         // (this search can be almost 1% of cpu time!)
1898         s = PRVM_GetString(ent->fields.server->weaponmodel);
1899         if (strcmp(s, client->weaponmodel))
1900         {
1901                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
1902                 client->weaponmodelindex = SV_ModelIndex(s, 1);
1903         }
1904
1905         viewzoom = 255;
1906         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewzoom)))
1907                 viewzoom = (int)(val->_float * 255.0f);
1908         if (viewzoom == 0)
1909                 viewzoom = 255;
1910
1911         bits = 0;
1912
1913         if ((int)ent->fields.server->flags & FL_ONGROUND)
1914                 bits |= SU_ONGROUND;
1915         if (ent->fields.server->waterlevel >= 2)
1916                 bits |= SU_INWATER;
1917         if (ent->fields.server->idealpitch)
1918                 bits |= SU_IDEALPITCH;
1919
1920         for (i=0 ; i<3 ; i++)
1921         {
1922                 if (ent->fields.server->punchangle[i])
1923                         bits |= (SU_PUNCH1<<i);
1924                 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)
1925                         if (punchvector[i])
1926                                 bits |= (SU_PUNCHVEC1<<i);
1927                 if (ent->fields.server->velocity[i])
1928                         bits |= (SU_VELOCITY1<<i);
1929         }
1930
1931         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
1932         stats[STAT_VIEWHEIGHT] = (int)ent->fields.server->view_ofs[2];
1933         stats[STAT_ITEMS] = items;
1934         stats[STAT_WEAPONFRAME] = (int)ent->fields.server->weaponframe;
1935         stats[STAT_ARMOR] = (int)ent->fields.server->armorvalue;
1936         stats[STAT_WEAPON] = client->weaponmodelindex;
1937         stats[STAT_HEALTH] = (int)ent->fields.server->health;
1938         stats[STAT_AMMO] = (int)ent->fields.server->currentammo;
1939         stats[STAT_SHELLS] = (int)ent->fields.server->ammo_shells;
1940         stats[STAT_NAILS] = (int)ent->fields.server->ammo_nails;
1941         stats[STAT_ROCKETS] = (int)ent->fields.server->ammo_rockets;
1942         stats[STAT_CELLS] = (int)ent->fields.server->ammo_cells;
1943         stats[STAT_ACTIVEWEAPON] = (int)ent->fields.server->weapon;
1944         stats[STAT_VIEWZOOM] = viewzoom;
1945         stats[STAT_TOTALSECRETS] = (int)prog->globals.server->total_secrets;
1946         stats[STAT_TOTALMONSTERS] = (int)prog->globals.server->total_monsters;
1947         // the QC bumps these itself by sending svc_'s, so we have to keep them
1948         // zero or they'll be corrected by the engine
1949         //stats[STAT_SECRETS] = prog->globals.server->found_secrets;
1950         //stats[STAT_MONSTERS] = prog->globals.server->killed_monsters;
1951
1952         // movement settings for prediction
1953         // note: these are not sent in protocols with lower MAX_CL_STATS limits
1954         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
1955                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
1956                 | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0)
1957                 | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0)
1958         ;
1959         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
1960         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
1961         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
1962         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
1963         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
1964         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
1965         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
1966         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
1967         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
1968         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.gravity);
1969         statsf[STAT_MOVEVARS_ENTGRAVITY] = (val && val->_float != 0) ? val->_float : 1.0f;
1970         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
1971         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
1972         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
1973         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
1974         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
1975         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
1976         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
1977         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
1978         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
1979         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
1980         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
1981         statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value;
1982         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
1983         statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value;
1984         statsf[STAT_MOVEVARS_AIRCONTROL_PENALTY] = sv_aircontrol_penalty.value;
1985         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
1986         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
1987         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
1988         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
1989         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
1990         statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW] = sv_airspeedlimit_nonqw.value;
1991         statsf[STAT_FRAGLIMIT] = fraglimit.value;
1992         statsf[STAT_TIMELIMIT] = timelimit.value;
1993
1994         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)
1995         {
1996                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
1997                 bits |= SU_ITEMS;
1998                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
1999                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
2000                 bits |= SU_WEAPON;
2001                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
2002                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2003                         if (viewzoom != 255)
2004                                 bits |= SU_VIEWZOOM;
2005         }
2006
2007         if (bits >= 65536)
2008                 bits |= SU_EXTEND1;
2009         if (bits >= 16777216)
2010                 bits |= SU_EXTEND2;
2011
2012         // send the data
2013         MSG_WriteByte (msg, svc_clientdata);
2014         MSG_WriteShort (msg, bits);
2015         if (bits & SU_EXTEND1)
2016                 MSG_WriteByte(msg, bits >> 16);
2017         if (bits & SU_EXTEND2)
2018                 MSG_WriteByte(msg, bits >> 24);
2019
2020         if (bits & SU_VIEWHEIGHT)
2021                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
2022
2023         if (bits & SU_IDEALPITCH)
2024                 MSG_WriteChar (msg, (int)ent->fields.server->idealpitch);
2025
2026         for (i=0 ; i<3 ; i++)
2027         {
2028                 if (bits & (SU_PUNCH1<<i))
2029                 {
2030                         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)
2031                                 MSG_WriteChar(msg, (int)ent->fields.server->punchangle[i]);
2032                         else
2033                                 MSG_WriteAngle16i(msg, ent->fields.server->punchangle[i]);
2034                 }
2035                 if (bits & (SU_PUNCHVEC1<<i))
2036                 {
2037                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2038                                 MSG_WriteCoord16i(msg, punchvector[i]);
2039                         else
2040                                 MSG_WriteCoord32f(msg, punchvector[i]);
2041                 }
2042                 if (bits & (SU_VELOCITY1<<i))
2043                 {
2044                         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)
2045                                 MSG_WriteChar(msg, (int)(ent->fields.server->velocity[i] * (1.0f / 16.0f)));
2046                         else
2047                                 MSG_WriteCoord32f(msg, ent->fields.server->velocity[i]);
2048                 }
2049         }
2050
2051         if (bits & SU_ITEMS)
2052                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
2053
2054         if (sv.protocol == PROTOCOL_DARKPLACES5)
2055         {
2056                 if (bits & SU_WEAPONFRAME)
2057                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
2058                 if (bits & SU_ARMOR)
2059                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
2060                 if (bits & SU_WEAPON)
2061                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
2062                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2063                 MSG_WriteShort (msg, stats[STAT_AMMO]);
2064                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
2065                 MSG_WriteShort (msg, stats[STAT_NAILS]);
2066                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
2067                 MSG_WriteShort (msg, stats[STAT_CELLS]);
2068                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
2069                 if (bits & SU_VIEWZOOM)
2070                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2071         }
2072         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)
2073         {
2074                 if (bits & SU_WEAPONFRAME)
2075                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
2076                 if (bits & SU_ARMOR)
2077                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
2078                 if (bits & SU_WEAPON)
2079                 {
2080                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2081                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
2082                         else
2083                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
2084                 }
2085                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2086                 MSG_WriteByte (msg, stats[STAT_AMMO]);
2087                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
2088                 MSG_WriteByte (msg, stats[STAT_NAILS]);
2089                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
2090                 MSG_WriteByte (msg, stats[STAT_CELLS]);
2091                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
2092                 {
2093                         for (i = 0;i < 32;i++)
2094                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
2095                                         break;
2096                         MSG_WriteByte (msg, i);
2097                 }
2098                 else
2099                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
2100                 if (bits & SU_VIEWZOOM)
2101                 {
2102                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2103                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
2104                         else
2105                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2106                 }
2107         }
2108 }
2109
2110 void SV_FlushBroadcastMessages(void)
2111 {
2112         int i;
2113         client_t *client;
2114         if (sv.datagram.cursize <= 0)
2115                 return;
2116         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2117         {
2118                 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])))
2119                         continue;
2120                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2121                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2122         }
2123         SZ_Clear(&sv.datagram);
2124 }
2125
2126 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2127 {
2128         // scan the splitpoints to find out how many we can fit in
2129         int numsegments, j, split;
2130         if (!client->unreliablemsg_splitpoints)
2131                 return;
2132         // always accept the first one if it's within 1024 bytes, this ensures
2133         // that very big datagrams which are over the rate limit still get
2134         // through, just to keep it working
2135         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2136                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2137                         break;
2138         // the first segment gets an exemption from the rate limiting, otherwise
2139         // it could get dropped consistently due to a low rate limit
2140         if (numsegments == 1)
2141                 maxsize = maxsize2;
2142         // some will fit, so add the ones that will fit
2143         split = client->unreliablemsg_splitpoint[numsegments-1];
2144         // note this discards ones that were accepted by the segments scan but
2145         // can not fit, such as a really huge first one that will never ever
2146         // fit in a packet...
2147         if (msg->cursize + split <= maxsize)
2148                 SZ_Write(msg, client->unreliablemsg.data, split);
2149         // remove the part we sent, keeping any remaining data
2150         client->unreliablemsg.cursize -= split;
2151         if (client->unreliablemsg.cursize > 0)
2152                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2153         // adjust remaining splitpoints
2154         client->unreliablemsg_splitpoints -= numsegments;
2155         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2156                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2157 }
2158
2159 /*
2160 =======================
2161 SV_SendClientDatagram
2162 =======================
2163 */
2164 static void SV_SendClientDatagram (client_t *client)
2165 {
2166         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2167         sizebuf_t msg;
2168         int stats[MAX_CL_STATS];
2169         static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2170
2171         // obey rate limit by limiting packet frequency if the packet size
2172         // limiting fails
2173         // (usually this is caused by reliable messages)
2174         if (!NetConn_CanSend(client->netconnection))
2175                 return;
2176
2177         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2178         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2179         if (sv_maxrate.integer != maxrate)
2180                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2181
2182         // clientrate determines the 'cleartime' of a packet
2183         // (how long to wait before sending another, based on this packet's size)
2184         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2185
2186         switch (sv.protocol)
2187         {
2188         case PROTOCOL_QUAKE:
2189         case PROTOCOL_QUAKEDP:
2190         case PROTOCOL_NEHAHRAMOVIE:
2191         case PROTOCOL_NEHAHRABJP:
2192         case PROTOCOL_NEHAHRABJP2:
2193         case PROTOCOL_NEHAHRABJP3:
2194         case PROTOCOL_QUAKEWORLD:
2195                 // no packet size limit support on Quake protocols because it just
2196                 // causes missing entities/effects
2197                 // packets are simply sent less often to obey the rate limit
2198                 maxsize = 1024;
2199                 maxsize2 = 1024;
2200                 break;
2201         case PROTOCOL_DARKPLACES1:
2202         case PROTOCOL_DARKPLACES2:
2203         case PROTOCOL_DARKPLACES3:
2204         case PROTOCOL_DARKPLACES4:
2205                 // no packet size limit support on DP1-4 protocols because they kick
2206                 // the client off if they overflow, and miss effects
2207                 // packets are simply sent less often to obey the rate limit
2208                 maxsize = sizeof(sv_sendclientdatagram_buf);
2209                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2210                 break;
2211         default:
2212                 // DP5 and later protocols support packet size limiting which is a
2213                 // better method than limiting packet frequency as QW does
2214                 //
2215                 // at very low rates (or very small sys_ticrate) the packet size is
2216                 // not reduced below 128, but packets may be sent less often
2217                 maxsize = (int)(clientrate * sys_ticrate.value);
2218                 maxsize = bound(128, maxsize, 1400);
2219                 maxsize2 = 1400;
2220                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2221                 // mods that use csqc (they are likely to use less bandwidth anyway)
2222                 if (sv.csqc_progsize > 0)
2223                         maxsize = maxsize2;
2224                 break;
2225         }
2226
2227         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2228         {
2229                 // for good singleplayer, send huge packets
2230                 maxsize = sizeof(sv_sendclientdatagram_buf);
2231                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2232                 // never limit frequency in singleplayer
2233                 clientrate = 1000000000;
2234         }
2235
2236         // while downloading, limit entity updates to half the packet
2237         // (any leftover space will be used for downloading)
2238         if (host_client->download_file)
2239                 maxsize /= 2;
2240
2241         msg.data = sv_sendclientdatagram_buf;
2242         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2243         msg.cursize = 0;
2244         msg.allowoverflow = false;
2245
2246         if (host_client->spawned)
2247         {
2248                 // the player is in the game
2249                 MSG_WriteByte (&msg, svc_time);
2250                 MSG_WriteFloat (&msg, sv.time);
2251
2252                 // add the client specific data to the datagram
2253                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2254                 // now update the stats[] array using any registered custom fields
2255                 VM_SV_UpdateCustomStats (client, client->edict, &msg, stats);
2256                 // set host_client->statsdeltabits
2257                 Protocol_UpdateClientStats (stats);
2258
2259                 // add as many queued unreliable messages (effects) as we can fit
2260                 // limit effects to half of the remaining space
2261                 if (client->unreliablemsg.cursize)
2262                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2263
2264                 // now write as many entities as we can fit, and also sends stats
2265                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2266         }
2267         else if (realtime > client->keepalivetime)
2268         {
2269                 // the player isn't totally in the game yet
2270                 // send small keepalive messages if too much time has passed
2271                 // (may also be sending downloads)
2272                 client->keepalivetime = realtime + 5;
2273                 MSG_WriteChar (&msg, svc_nop);
2274         }
2275
2276         // if a download is active, see if there is room to fit some download data
2277         // in this packet
2278         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2279         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2280         {
2281                 fs_offset_t downloadstart;
2282                 unsigned char data[1400];
2283                 downloadstart = FS_Tell(host_client->download_file);
2284                 downloadsize = min(downloadsize, (int)sizeof(data));
2285                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2286                 // note this sends empty messages if at the end of the file, which is
2287                 // necessary to keep the packet loss logic working
2288                 // (the last blocks may be lost and need to be re-sent, and that will
2289                 //  only occur if the client acks the empty end messages, revealing
2290                 //  a gap in the download progress, causing the last blocks to be
2291                 //  sent again)
2292                 MSG_WriteChar (&msg, svc_downloaddata);
2293                 MSG_WriteLong (&msg, downloadstart);
2294                 MSG_WriteShort (&msg, downloadsize);
2295                 if (downloadsize > 0)
2296                         SZ_Write (&msg, data, downloadsize);
2297         }
2298
2299         // reliable only if none is in progress
2300         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2301                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2302         // unreliable
2303         SV_WriteDemoMessage(client, &msg, false);
2304
2305 // send the datagram
2306         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2307         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2308                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2309 }
2310
2311 /*
2312 =======================
2313 SV_UpdateToReliableMessages
2314 =======================
2315 */
2316 static void SV_UpdateToReliableMessages (void)
2317 {
2318         int i, j;
2319         client_t *client;
2320         prvm_eval_t *val;
2321         const char *name;
2322         const char *model;
2323         const char *skin;
2324
2325 // check for changes to be sent over the reliable streams
2326         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2327         {
2328                 // update the host_client fields we care about according to the entity fields
2329                 host_client->edict = PRVM_EDICT_NUM(i+1);
2330
2331                 // DP_SV_CLIENTNAME
2332                 name = PRVM_GetString(host_client->edict->fields.server->netname);
2333                 if (name == NULL)
2334                         name = "";
2335                 // always point the string back at host_client->name to keep it safe
2336                 strlcpy (host_client->name, name, sizeof (host_client->name));
2337                 host_client->edict->fields.server->netname = PRVM_SetEngineString(host_client->name);
2338                 if (strcmp(host_client->old_name, host_client->name))
2339                 {
2340                         if (host_client->spawned)
2341                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2342                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2343                         // send notification to all clients
2344                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2345                         MSG_WriteByte (&sv.reliable_datagram, i);
2346                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2347                         SV_WriteNetnameIntoDemo(host_client);
2348                 }
2349
2350                 // DP_SV_CLIENTCOLORS
2351                 // this is always found (since it's added by the progs loader)
2352                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcolors)))
2353                         host_client->colors = (int)val->_float;
2354                 if (host_client->old_colors != host_client->colors)
2355                 {
2356                         host_client->old_colors = host_client->colors;
2357                         // send notification to all clients
2358                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2359                         MSG_WriteByte (&sv.reliable_datagram, i);
2360                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2361                 }
2362
2363                 // NEXUIZ_PLAYERMODEL
2364                 if( prog->fieldoffsets.playermodel >= 0 ) {
2365                         model = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string);
2366                         if (model == NULL)
2367                                 model = "";
2368                         // always point the string back at host_client->name to keep it safe
2369                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2370                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(host_client->playermodel);
2371                 }
2372
2373                 // NEXUIZ_PLAYERSKIN
2374                 if( prog->fieldoffsets.playerskin >= 0 ) {
2375                         skin = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string);
2376                         if (skin == NULL)
2377                                 skin = "";
2378                         // always point the string back at host_client->name to keep it safe
2379                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2380                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(host_client->playerskin);
2381                 }
2382
2383                 // TODO: add an extension name for this [1/17/2008 Black]
2384                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcamera)) && val->edict > 0 ) {
2385                         int oldclientcamera = host_client->clientcamera;
2386                         if( val->edict >= prog->max_edicts || PRVM_EDICT_NUM( val->edict )->priv.required->free ) {
2387                                 val->edict = host_client->clientcamera = PRVM_NUM_FOR_EDICT( host_client->edict );
2388                         } else {
2389                                 host_client->clientcamera = val->edict;
2390                         }
2391
2392                         if( oldclientcamera != host_client->clientcamera ) {
2393                                 MSG_WriteByte (&host_client->netconnection->message, svc_setview );
2394                                 MSG_WriteShort (&host_client->netconnection->message, host_client->clientcamera);
2395                         }
2396                 }
2397
2398                 // frags
2399                 host_client->frags = (int)host_client->edict->fields.server->frags;
2400                 if(gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
2401                         if(!host_client->spawned && host_client->netconnection)
2402                                 host_client->frags = -666;
2403                 if (host_client->old_frags != host_client->frags)
2404                 {
2405                         host_client->old_frags = host_client->frags;
2406                         // send notification to all clients
2407                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2408                         MSG_WriteByte (&sv.reliable_datagram, i);
2409                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2410                 }
2411         }
2412
2413         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2414                 if (client->netconnection && (client->spawned || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2415                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2416
2417         SZ_Clear (&sv.reliable_datagram);
2418 }
2419
2420
2421 /*
2422 =======================
2423 SV_SendClientMessages
2424 =======================
2425 */
2426 void SV_SendClientMessages (void)
2427 {
2428         int i, prepared = false;
2429
2430         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2431                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2432
2433         SV_FlushBroadcastMessages();
2434
2435 // update frags, names, etc
2436         SV_UpdateToReliableMessages();
2437
2438 // build individual updates
2439         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2440         {
2441                 if (!host_client->active)
2442                         continue;
2443                 if (!host_client->netconnection)
2444                         continue;
2445
2446                 if (host_client->netconnection->message.overflowed)
2447                 {
2448                         SV_DropClient (true);   // if the message couldn't send, kick off
2449                         continue;
2450                 }
2451
2452                 if (!prepared)
2453                 {
2454                         prepared = true;
2455                         // only prepare entities once per frame
2456                         SV_PrepareEntitiesForSending();
2457                 }
2458                 SV_SendClientDatagram (host_client);
2459         }
2460
2461 // clear muzzle flashes
2462         SV_CleanupEnts();
2463 }
2464
2465 static void SV_StartDownload_f(void)
2466 {
2467         if (host_client->download_file)
2468                 host_client->download_started = true;
2469 }
2470
2471 /*
2472  * Compression extension negotiation:
2473  *
2474  * Server to client:
2475  *   cl_serverextension_download 2
2476  *
2477  * Client to server:
2478  *   download <filename> <list of zero or more suppported compressions in order of preference>
2479  * e.g.
2480  *   download maps/map1.bsp lzo deflate huffman
2481  *
2482  * Server to client:
2483  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2484  * e.g.
2485  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2486  *
2487  * The server may choose not to compress the file by sending no compression name, like:
2488  *   cl_downloadbegin 345678 maps/map1.bsp
2489  *
2490  * NOTE: the "download" command may only specify compression algorithms if
2491  *       cl_serverextension_download is 2!
2492  *       If cl_serverextension_download has a different value, the client must
2493  *       assume this extension is not supported!
2494  */
2495
2496 static void Download_CheckExtensions(void)
2497 {
2498         int i;
2499         int argc = Cmd_Argc();
2500
2501         // first reset them all
2502         host_client->download_deflate = false;
2503
2504         for(i = 2; i < argc; ++i)
2505         {
2506                 if(!strcmp(Cmd_Argv(i), "deflate"))
2507                 {
2508                         host_client->download_deflate = true;
2509                         break;
2510                 }
2511         }
2512 }
2513
2514 static void SV_Download_f(void)
2515 {
2516         const char *whichpack, *whichpack2, *extension;
2517         qboolean is_csqc; // so we need to check only once
2518
2519         if (Cmd_Argc() < 2)
2520         {
2521                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2522                 SV_ClientPrintf("       supported extensions: deflate\n");
2523                 return;
2524         }
2525
2526         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2527         {
2528                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2529                 return;
2530         }
2531
2532         if (host_client->download_file)
2533         {
2534                 // at this point we'll assume the previous download should be aborted
2535                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2536                 Host_ClientCommands("\nstopdownload\n");
2537
2538                 // close the file and reset variables
2539                 FS_Close(host_client->download_file);
2540                 host_client->download_file = NULL;
2541                 host_client->download_name[0] = 0;
2542                 host_client->download_expectedposition = 0;
2543                 host_client->download_started = false;
2544         }
2545
2546         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2547
2548         if (!sv_allowdownloads.integer && !is_csqc)
2549         {
2550                 SV_ClientPrintf("Downloads are disabled on this server\n");
2551                 Host_ClientCommands("\nstopdownload\n");
2552                 return;
2553         }
2554
2555         Download_CheckExtensions();
2556
2557         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2558         extension = FS_FileExtension(host_client->download_name);
2559
2560         // host_client is asking to download a specified file
2561         if (developer_extra.integer)
2562                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2563
2564         if(is_csqc)
2565         {
2566                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2567                 extensions[0] = '\0';
2568
2569                 if(host_client->download_deflate)
2570                         strlcat(extensions, " deflate", sizeof(extensions));
2571
2572                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2573
2574                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2575                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2576                 else
2577                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2578
2579                 // no, no space is needed between %s and %s :P
2580                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2581
2582                 host_client->download_expectedposition = 0;
2583                 host_client->download_started = false;
2584                 host_client->sendsignon = true; // make sure this message is sent
2585                 return;
2586         }
2587
2588         if (!FS_FileExists(host_client->download_name))
2589         {
2590                 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);
2591                 Host_ClientCommands("\nstopdownload\n");
2592                 return;
2593         }
2594
2595         // check if the user is trying to download part of registered Quake(r)
2596         whichpack = FS_WhichPack(host_client->download_name);
2597         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2598         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2599         {
2600                 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);
2601                 Host_ClientCommands("\nstopdownload\n");
2602                 return;
2603         }
2604
2605         // check if the server has forbidden archive downloads entirely
2606         if (!sv_allowdownloads_inarchive.integer)
2607         {
2608                 whichpack = FS_WhichPack(host_client->download_name);
2609                 if (whichpack)
2610                 {
2611                         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);
2612                         Host_ClientCommands("\nstopdownload\n");
2613                         return;
2614                 }
2615         }
2616
2617         if (!sv_allowdownloads_config.integer)
2618         {
2619                 if (!strcasecmp(extension, "cfg"))
2620                 {
2621                         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);
2622                         Host_ClientCommands("\nstopdownload\n");
2623                         return;
2624                 }
2625         }
2626
2627         if (!sv_allowdownloads_dlcache.integer)
2628         {
2629                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2630                 {
2631                         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);
2632                         Host_ClientCommands("\nstopdownload\n");
2633                         return;
2634                 }
2635         }
2636
2637         if (!sv_allowdownloads_archive.integer)
2638         {
2639                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2640                 {
2641                         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);
2642                         Host_ClientCommands("\nstopdownload\n");
2643                         return;
2644                 }
2645         }
2646
2647         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2648         if (!host_client->download_file)
2649         {
2650                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2651                 Host_ClientCommands("\nstopdownload\n");
2652                 return;
2653         }
2654
2655         if (FS_FileSize(host_client->download_file) > 1<<30)
2656         {
2657                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2658                 Host_ClientCommands("\nstopdownload\n");
2659                 FS_Close(host_client->download_file);
2660                 host_client->download_file = NULL;
2661                 return;
2662         }
2663
2664         if (FS_FileSize(host_client->download_file) < 0)
2665         {
2666                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2667                 Host_ClientCommands("\nstopdownload\n");
2668                 FS_Close(host_client->download_file);
2669                 host_client->download_file = NULL;
2670                 return;
2671         }
2672
2673         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2674
2675         /*
2676          * we can only do this if we would actually deflate on the fly
2677          * which we do not (yet)!
2678         {
2679                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2680                 extensions[0] = '\0';
2681
2682                 if(host_client->download_deflate)
2683                         strlcat(extensions, " deflate", sizeof(extensions));
2684
2685                 // no, no space is needed between %s and %s :P
2686                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2687         }
2688         */
2689         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2690
2691         host_client->download_expectedposition = 0;
2692         host_client->download_started = false;
2693         host_client->sendsignon = true; // make sure this message is sent
2694
2695         // the rest of the download process is handled in SV_SendClientDatagram
2696         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2697         //
2698         // no svc_downloaddata messages will be sent until sv_startdownload is
2699         // sent by the client
2700 }
2701
2702 /*
2703 ==============================================================================
2704
2705 SERVER SPAWNING
2706
2707 ==============================================================================
2708 */
2709
2710 /*
2711 ================
2712 SV_ModelIndex
2713
2714 ================
2715 */
2716 int SV_ModelIndex(const char *s, int precachemode)
2717 {
2718         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);
2719         char filename[MAX_QPATH];
2720         if (!s || !*s)
2721                 return 0;
2722         // testing
2723         //if (precachemode == 2)
2724         //      return 0;
2725         strlcpy(filename, s, sizeof(filename));
2726         for (i = 2;i < limit;i++)
2727         {
2728                 if (!sv.model_precache[i][0])
2729                 {
2730                         if (precachemode)
2731                         {
2732                                 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))
2733                                 {
2734                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2735                                         return 0;
2736                                 }
2737                                 if (precachemode == 1)
2738                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2739                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2740                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2741                                 if (sv.state != ss_loading)
2742                                 {
2743                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2744                                         MSG_WriteShort(&sv.reliable_datagram, i);
2745                                         MSG_WriteString(&sv.reliable_datagram, filename);
2746                                 }
2747                                 return i;
2748                         }
2749                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2750                         return 0;
2751                 }
2752                 if (!strcmp(sv.model_precache[i], filename))
2753                         return i;
2754         }
2755         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2756         return 0;
2757 }
2758
2759 /*
2760 ================
2761 SV_SoundIndex
2762
2763 ================
2764 */
2765 int SV_SoundIndex(const char *s, int precachemode)
2766 {
2767         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);
2768         char filename[MAX_QPATH];
2769         if (!s || !*s)
2770                 return 0;
2771         // testing
2772         //if (precachemode == 2)
2773         //      return 0;
2774         strlcpy(filename, s, sizeof(filename));
2775         for (i = 1;i < limit;i++)
2776         {
2777                 if (!sv.sound_precache[i][0])
2778                 {
2779                         if (precachemode)
2780                         {
2781                                 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))
2782                                 {
2783                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2784                                         return 0;
2785                                 }
2786                                 if (precachemode == 1)
2787                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2788                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2789                                 if (sv.state != ss_loading)
2790                                 {
2791                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2792                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2793                                         MSG_WriteString(&sv.reliable_datagram, filename);
2794                                 }
2795                                 return i;
2796                         }
2797                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2798                         return 0;
2799                 }
2800                 if (!strcmp(sv.sound_precache[i], filename))
2801                         return i;
2802         }
2803         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2804         return 0;
2805 }
2806
2807 /*
2808 ================
2809 SV_ParticleEffectIndex
2810
2811 ================
2812 */
2813 int SV_ParticleEffectIndex(const char *name)
2814 {
2815         int i, argc, linenumber, effectnameindex;
2816         int filepass;
2817         fs_offset_t filesize;
2818         unsigned char *filedata;
2819         const char *text;
2820         const char *textstart;
2821         //const char *textend;
2822         char argv[16][1024];
2823         char filename[MAX_QPATH];
2824         if (!sv.particleeffectnamesloaded)
2825         {
2826                 sv.particleeffectnamesloaded = true;
2827                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2828                 for (i = 0;i < EFFECT_TOTAL;i++)
2829                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2830                 for (filepass = 0;;filepass++)
2831                 {
2832                         if (filepass == 0)
2833                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
2834                         else if (filepass == 1)
2835                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
2836                         else
2837                                 break;
2838                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
2839                         if (!filedata)
2840                                 continue;
2841                         textstart = (const char *)filedata;
2842                         //textend = (const char *)filedata + filesize;
2843                         text = textstart;
2844                         for (linenumber = 1;;linenumber++)
2845                         {
2846                                 argc = 0;
2847                                 for (;;)
2848                                 {
2849                                         if (!COM_ParseToken_Simple(&text, true, false) || !strcmp(com_token, "\n"))
2850                                                 break;
2851                                         if (argc < 16)
2852                                         {
2853                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2854                                                 argc++;
2855                                         }
2856                                 }
2857                                 if (com_token[0] == 0)
2858                                         break; // if the loop exited and it's not a \n, it's EOF
2859                                 if (argc < 1)
2860                                         continue;
2861                                 if (!strcmp(argv[0], "effect"))
2862                                 {
2863                                         if (argc == 2)
2864                                         {
2865                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
2866                                                 {
2867                                                         if (sv.particleeffectname[effectnameindex][0])
2868                                                         {
2869                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
2870                                                                         break;
2871                                                         }
2872                                                         else
2873                                                         {
2874                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
2875                                                                 break;
2876                                                         }
2877                                                 }
2878                                                 // if we run out of names, abort
2879                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
2880                                                 {
2881                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
2882                                                         break;
2883                                                 }
2884                                         }
2885                                 }
2886                         }
2887                         Mem_Free(filedata);
2888                 }
2889         }
2890         // search for the name
2891         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
2892                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
2893                         return effectnameindex;
2894         // return 0 if we couldn't find it
2895         return 0;
2896 }
2897
2898 dp_model_t *SV_GetModelByIndex(int modelindex)
2899 {
2900         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2901 }
2902
2903 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
2904 {
2905         int modelindex;
2906         if (!ed || ed->priv.server->free)
2907                 return NULL;
2908         modelindex = (int)ed->fields.server->modelindex;
2909         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2910 }
2911
2912 /*
2913 ================
2914 SV_CreateBaseline
2915
2916 ================
2917 */
2918 static void SV_CreateBaseline (void)
2919 {
2920         int i, entnum, large;
2921         prvm_edict_t *svent;
2922
2923         // LordHavoc: clear *all* states (note just active ones)
2924         for (entnum = 0;entnum < prog->max_edicts;entnum++)
2925         {
2926                 // get the current server version
2927                 svent = PRVM_EDICT_NUM(entnum);
2928
2929                 // LordHavoc: always clear state values, whether the entity is in use or not
2930                 svent->priv.server->baseline = defaultstate;
2931
2932                 if (svent->priv.server->free)
2933                         continue;
2934                 if (entnum > svs.maxclients && !svent->fields.server->modelindex)
2935                         continue;
2936
2937                 // create entity baseline
2938                 VectorCopy (svent->fields.server->origin, svent->priv.server->baseline.origin);
2939                 VectorCopy (svent->fields.server->angles, svent->priv.server->baseline.angles);
2940                 svent->priv.server->baseline.frame = (int)svent->fields.server->frame;
2941                 svent->priv.server->baseline.skin = (int)svent->fields.server->skin;
2942                 if (entnum > 0 && entnum <= svs.maxclients)
2943                 {
2944                         svent->priv.server->baseline.colormap = entnum;
2945                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
2946                 }
2947                 else
2948                 {
2949                         svent->priv.server->baseline.colormap = 0;
2950                         svent->priv.server->baseline.modelindex = (int)svent->fields.server->modelindex;
2951                 }
2952
2953                 large = false;
2954                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
2955                 {
2956                         large = true;
2957                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2958                                 large = false;
2959                 }
2960
2961                 // add to the message
2962                 if (large)
2963                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
2964                 else
2965                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
2966                 MSG_WriteShort (&sv.signon, entnum);
2967
2968                 if (large)
2969                 {
2970                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2971                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
2972                 }
2973                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2974                 {
2975                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2976                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2977                 }
2978                 else
2979                 {
2980                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
2981                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2982                 }
2983                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
2984                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
2985                 for (i=0 ; i<3 ; i++)
2986                 {
2987                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
2988                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
2989                 }
2990         }
2991 }
2992
2993 /*
2994 ================
2995 SV_Prepare_CSQC
2996
2997 Load csprogs.dat and comperss it so it doesn't need to be
2998 reloaded on request.
2999 ================
3000 */
3001 void SV_Prepare_CSQC(void)
3002 {
3003         fs_offset_t progsize;
3004
3005         if(svs.csqc_progdata)
3006         {
3007                 Con_DPrintf("Unloading old CSQC data.\n");
3008                 Mem_Free(svs.csqc_progdata);
3009                 if(svs.csqc_progdata_deflated)
3010                         Mem_Free(svs.csqc_progdata_deflated);
3011         }
3012
3013         svs.csqc_progdata = NULL;
3014         svs.csqc_progdata_deflated = NULL;
3015
3016         sv.csqc_progname[0] = 0;
3017         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
3018
3019         if(progsize > 0)
3020         {
3021                 size_t deflated_size;
3022
3023                 sv.csqc_progsize = (int)progsize;
3024                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
3025                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
3026                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
3027
3028                 Con_DPrint("Compressing csprogs.dat\n");
3029                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
3030                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
3031                 svs.csqc_progsize_deflated = (int)deflated_size;
3032                 if(svs.csqc_progdata_deflated)
3033                 {
3034                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
3035                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
3036                 }
3037                 else
3038                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
3039         }
3040 }
3041
3042 /*
3043 ================
3044 SV_SaveSpawnparms
3045
3046 Grabs the current state of each client for saving across the
3047 transition to another level
3048 ================
3049 */
3050 void SV_SaveSpawnparms (void)
3051 {
3052         int             i, j;
3053
3054         svs.serverflags = (int)prog->globals.server->serverflags;
3055
3056         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3057         {
3058                 if (!host_client->active)
3059                         continue;
3060
3061         // call the progs to get default spawn parms for the new client
3062                 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
3063                 PRVM_ExecuteProgram (prog->globals.server->SetChangeParms, "QC function SetChangeParms is missing");
3064                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
3065                         host_client->spawn_parms[j] = (&prog->globals.server->parm1)[j];
3066         }
3067 }
3068
3069 /*
3070 ================
3071 SV_SpawnServer
3072
3073 This is called at the start of each level
3074 ================
3075 */
3076
3077 void SV_SpawnServer (const char *server)
3078 {
3079         prvm_edict_t *ent;
3080         int i;
3081         char *entities;
3082         dp_model_t *worldmodel;
3083         char modelname[sizeof(sv.worldname)];
3084
3085         Con_DPrintf("SpawnServer: %s\n", server);
3086
3087         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
3088
3089         if (!FS_FileExists(modelname))
3090         {
3091                 dpsnprintf (modelname, sizeof(modelname), "maps/%s", server);
3092                 if (!FS_FileExists(modelname))
3093                 {
3094                         Con_Printf("SpawnServer: no map file named maps/%s.bsp\n", server);
3095                         return;
3096                 }
3097         }
3098
3099         if (cls.state != ca_dedicated)
3100         {
3101                 SCR_BeginLoadingPlaque();
3102                 S_StopAllSounds();
3103         }
3104
3105         if(sv.active)
3106         {
3107                 SV_VM_Begin();
3108                 World_End(&sv.world);
3109                 if(prog->funcoffsets.SV_Shutdown)
3110                 {
3111                         func_t s = prog->funcoffsets.SV_Shutdown;
3112                         prog->funcoffsets.SV_Shutdown = 0; // prevent it from getting called again
3113                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
3114                 }
3115                 SV_VM_End();
3116         }
3117
3118         // free q3 shaders so that any newly downloaded shaders will be active
3119         Mod_FreeQ3Shaders();
3120
3121         worldmodel = Mod_ForName(modelname, false, developer.integer > 0, NULL);
3122         if (!worldmodel || !worldmodel->TraceBox)
3123         {
3124                 Con_Printf("Couldn't load map %s\n", modelname);
3125                 return;
3126         }
3127
3128         // let's not have any servers with no name
3129         if (hostname.string[0] == 0)
3130                 Cvar_Set ("hostname", "UNNAMED");
3131         scr_centertime_off = 0;
3132
3133         svs.changelevel_issued = false;         // now safe to issue another
3134
3135         // make the map a required file for clients
3136         Curl_ClearRequirements();
3137         Curl_RequireFile(modelname);
3138
3139 //
3140 // tell all connected clients that we are going to a new level
3141 //
3142         if (sv.active)
3143         {
3144                 client_t *client;
3145                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3146                 {
3147                         if (client->netconnection)
3148                         {
3149                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3150                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3151                         }
3152                 }
3153         }
3154         else
3155         {
3156                 // open server port
3157                 NetConn_OpenServerPorts(true);
3158         }
3159
3160 //
3161 // make cvars consistant
3162 //
3163         if (coop.integer)
3164                 Cvar_SetValue ("deathmatch", 0);
3165         // LordHavoc: it can be useful to have skills outside the range 0-3...
3166         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3167         //Cvar_SetValue ("skill", (float)current_skill);
3168         current_skill = (int)(skill.value + 0.5);
3169
3170 //
3171 // set up the new server
3172 //
3173         memset (&sv, 0, sizeof(sv));
3174         // if running a local client, make sure it doesn't try to access the last
3175         // level's data which is no longer valiud
3176         cls.signon = 0;
3177
3178         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
3179
3180         if(*sv_random_seed.string)
3181         {
3182                 srand(sv_random_seed.integer);
3183                 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);
3184         }
3185
3186         SV_VM_Setup();
3187
3188         sv.active = true;
3189
3190         // set level base name variables for later use
3191         strlcpy (sv.name, server, sizeof (sv.name));
3192         strlcpy(sv.worldname, modelname, sizeof(sv.worldname));
3193         FS_StripExtension(sv.worldname, sv.worldnamenoextension, sizeof(sv.worldnamenoextension));
3194         strlcpy(sv.worldbasename, !strncmp(sv.worldnamenoextension, "maps/", 5) ? sv.worldnamenoextension + 5 : sv.worldnamenoextension, sizeof(sv.worldbasename));
3195         //Cvar_SetQuick(&sv_worldmessage, sv.worldmessage); // set later after QC is spawned
3196         Cvar_SetQuick(&sv_worldname, sv.worldname);
3197         Cvar_SetQuick(&sv_worldnamenoextension, sv.worldnamenoextension);
3198         Cvar_SetQuick(&sv_worldbasename, sv.worldbasename);
3199
3200         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3201         if (sv.protocol == PROTOCOL_UNKNOWN)
3202         {
3203                 char buffer[1024];
3204                 Protocol_Names(buffer, sizeof(buffer));
3205                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3206                 sv.protocol = PROTOCOL_QUAKE;
3207         }
3208
3209         SV_VM_Begin();
3210
3211 // load progs to get entity field count
3212         //PR_LoadProgs ( sv_progs.string );
3213
3214         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3215         sv.datagram.cursize = 0;
3216         sv.datagram.data = sv.datagram_buf;
3217
3218         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3219         sv.reliable_datagram.cursize = 0;
3220         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3221
3222         sv.signon.maxsize = sizeof(sv.signon_buf);
3223         sv.signon.cursize = 0;
3224         sv.signon.data = sv.signon_buf;
3225
3226 // leave slots at start for clients only
3227         //prog->num_edicts = svs.maxclients+1;
3228
3229         sv.state = ss_loading;
3230         prog->allowworldwrites = true;
3231         sv.paused = false;
3232
3233         prog->globals.server->time = sv.time = 1.0;
3234
3235         Mod_ClearUsed();
3236         worldmodel->used = true;
3237
3238         sv.worldmodel = worldmodel;
3239         sv.models[1] = sv.worldmodel;
3240
3241 //
3242 // clear world interaction links
3243 //
3244         World_SetSize(&sv.world, sv.worldname, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs);
3245         World_Start(&sv.world);
3246
3247         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3248
3249         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3250         strlcpy(sv.model_precache[1], sv.worldname, sizeof(sv.model_precache[1]));
3251         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3252         {
3253                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3254                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.worldname);
3255         }
3256         if(i < sv.worldmodel->brush.numsubmodels)
3257                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3258
3259 //
3260 // load the rest of the entities
3261 //
3262         // AK possible hack since num_edicts is still 0
3263         ent = PRVM_EDICT_NUM(0);
3264         memset (ent->fields.server, 0, prog->progs->entityfields * 4);
3265         ent->priv.server->free = false;
3266         ent->fields.server->model = PRVM_SetEngineString(sv.worldname);
3267         ent->fields.server->modelindex = 1;             // world model
3268         ent->fields.server->solid = SOLID_BSP;
3269         ent->fields.server->movetype = MOVETYPE_PUSH;
3270         VectorCopy(sv.world.mins, ent->fields.server->mins);
3271         VectorCopy(sv.world.maxs, ent->fields.server->maxs);
3272         VectorCopy(sv.world.mins, ent->fields.server->absmin);
3273         VectorCopy(sv.world.maxs, ent->fields.server->absmax);
3274
3275         if (coop.value)
3276                 prog->globals.server->coop = coop.integer;
3277         else
3278                 prog->globals.server->deathmatch = deathmatch.integer;
3279
3280         prog->globals.server->mapname = PRVM_SetEngineString(sv.name);
3281
3282 // serverflags are for cross level information (sigils)
3283         prog->globals.server->serverflags = svs.serverflags;
3284
3285         // we need to reset the spawned flag on all connected clients here so that
3286         // their thinks don't run during startup (before PutClientInServer)
3287         // we also need to set up the client entities now
3288         // and we need to set the ->edict pointers to point into the progs edicts
3289         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3290         {
3291                 host_client->spawned = false;
3292                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3293                 PRVM_ED_ClearEdict(host_client->edict);
3294         }
3295
3296         // load replacement entity file if found
3297         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va("%s.ent", sv.worldnamenoextension), tempmempool, true, NULL)))
3298         {
3299                 Con_Printf("Loaded %s.ent\n", sv.worldnamenoextension);
3300                 PRVM_ED_LoadFromFile (entities);
3301                 Mem_Free(entities);
3302         }
3303         else
3304                 PRVM_ED_LoadFromFile (sv.worldmodel->brush.entities);
3305
3306
3307         // LordHavoc: clear world angles (to fix e3m3.bsp)
3308         VectorClear(prog->edicts->fields.server->angles);
3309
3310 // all setup is completed, any further precache statements are errors
3311 //      sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3312         prog->allowworldwrites = false;
3313
3314 // run two frames to allow everything to settle
3315         prog->globals.server->time = sv.time = 1.0001;
3316         for (i = 0;i < 2;i++)
3317         {
3318                 sv.frametime = 0.1;
3319                 SV_Physics ();
3320         }
3321
3322         if (cls.state == ca_dedicated)
3323                 Mod_PurgeUnused();
3324
3325 // create a baseline for more efficient communications
3326         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)
3327                 SV_CreateBaseline ();
3328
3329         sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3330
3331         // to prevent network timeouts
3332         realtime = Sys_DoubleTime();
3333
3334 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3335         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3336         {
3337                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3338                 if (!host_client->active)
3339                         continue;
3340                 if (host_client->netconnection)
3341                         SV_SendServerinfo(host_client);
3342                 else
3343                 {
3344                         int j;
3345                         // if client is a botclient coming from a level change, we need to
3346                         // set up client info that normally requires networking
3347
3348                         // copy spawn parms out of the client_t
3349                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3350                                 (&prog->globals.server->parm1)[j] = host_client->spawn_parms[j];
3351
3352                         // call the spawn function
3353                         host_client->clientconnectcalled = true;
3354                         prog->globals.server->time = sv.time;
3355                         prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
3356                         PRVM_ExecuteProgram (prog->globals.server->ClientConnect, "QC function ClientConnect is missing");
3357                         PRVM_ExecuteProgram (prog->globals.server->PutClientInServer, "QC function PutClientInServer is missing");
3358                         host_client->spawned = true;
3359                 }
3360         }
3361
3362         // update the map title cvar
3363         strlcpy(sv.worldmessage, PRVM_GetString(prog->edicts->fields.server->message), sizeof(sv.worldmessage)); // map title (not related to filename)
3364         Cvar_SetQuick(&sv_worldmessage, sv.worldmessage);
3365
3366         Con_DPrint("Server spawned.\n");
3367         NetConn_Heartbeat (2);
3368
3369         SV_VM_End();
3370 }
3371
3372 /////////////////////////////////////////////////////
3373 // SV VM stuff
3374
3375 static void SV_VM_CB_BeginIncreaseEdicts(void)
3376 {
3377         // links don't survive the transition, so unlink everything
3378         World_UnlinkAll(&sv.world);
3379 }
3380
3381 static void SV_VM_CB_EndIncreaseEdicts(void)
3382 {
3383         int i;
3384         prvm_edict_t *ent;
3385
3386         // link every entity except world
3387         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
3388                 if (!ent->priv.server->free)
3389                         SV_LinkEdict(ent);
3390 }
3391
3392 static void SV_VM_CB_InitEdict(prvm_edict_t *e)
3393 {
3394         // LordHavoc: for consistency set these here
3395         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3396
3397         e->priv.server->move = false; // don't move on first frame
3398
3399         if (num >= 0 && num < svs.maxclients)
3400         {
3401                 prvm_eval_t *val;
3402                 // set colormap and team on newly created player entity
3403                 e->fields.server->colormap = num + 1;
3404                 e->fields.server->team = (svs.clients[num].colors & 15) + 1;
3405                 // set netname/clientcolors back to client values so that
3406                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3407                 // reset them
3408                 e->fields.server->netname = PRVM_SetEngineString(svs.clients[num].name);
3409                 if ((val = PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.clientcolors)))
3410                         val->_float = svs.clients[num].colors;
3411                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3412                 if( prog->fieldoffsets.playermodel >= 0 )
3413                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(svs.clients[num].playermodel);
3414                 if( prog->fieldoffsets.playerskin >= 0 )
3415                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(svs.clients[num].playerskin);
3416                 // Assign netaddress (IP Address, etc)
3417                 if(prog->fieldoffsets.netaddress >= 0)
3418                 { // Valid Field; Process
3419                         if(svs.clients[num].netconnection != NULL)
3420                         {// Valid Address; Assign
3421                                 // Acquire Readable Address
3422                                 LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3423                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.netaddress)->string = PRVM_SetEngineString(svs.clients[num].netaddress);
3424                         }
3425                         else
3426                                 // Invalid / Bot
3427                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.netaddress)->string = PRVM_SetEngineString("null/botclient");
3428                 }
3429         }
3430 }
3431
3432 static void SV_VM_CB_FreeEdict(prvm_edict_t *ed)
3433 {
3434         int i;
3435         int e;
3436
3437         World_UnlinkEdict(ed);          // unlink from world bsp
3438
3439         ed->fields.server->model = 0;
3440         ed->fields.server->takedamage = 0;
3441         ed->fields.server->modelindex = 0;
3442         ed->fields.server->colormap = 0;
3443         ed->fields.server->skin = 0;
3444         ed->fields.server->frame = 0;
3445         VectorClear(ed->fields.server->origin);
3446         VectorClear(ed->fields.server->angles);
3447         ed->fields.server->nextthink = -1;
3448         ed->fields.server->solid = 0;
3449
3450         VM_RemoveEdictSkeleton(ed);
3451         World_Physics_RemoveFromEntity(&sv.world, ed);
3452         World_Physics_RemoveJointFromEntity(&sv.world, ed);
3453
3454         // make sure csqc networking is aware of the removed entity
3455         e = PRVM_NUM_FOR_EDICT(ed);
3456         sv.csqcentityversion[e] = 0;
3457         for (i = 0;i < svs.maxclients;i++)
3458         {
3459                 if (svs.clients[i].csqcentityscope[e])
3460                         svs.clients[i].csqcentityscope[e] = 1; // removed, awaiting send
3461                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3462         }
3463 }
3464
3465 static void SV_VM_CB_CountEdicts(void)
3466 {
3467         int             i;
3468         prvm_edict_t    *ent;
3469         int             active, models, solid, step;
3470
3471         active = models = solid = step = 0;
3472         for (i=0 ; i<prog->num_edicts ; i++)
3473         {
3474                 ent = PRVM_EDICT_NUM(i);
3475                 if (ent->priv.server->free)
3476                         continue;
3477                 active++;
3478                 if (ent->fields.server->solid)
3479                         solid++;
3480                 if (ent->fields.server->model)
3481                         models++;
3482                 if (ent->fields.server->movetype == MOVETYPE_STEP)
3483                         step++;
3484         }
3485
3486         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3487         Con_Printf("active    :%3i\n", active);
3488         Con_Printf("view      :%3i\n", models);
3489         Con_Printf("touch     :%3i\n", solid);
3490         Con_Printf("step      :%3i\n", step);
3491 }
3492
3493 static qboolean SV_VM_CB_LoadEdict(prvm_edict_t *ent)
3494 {
3495         // remove things from different skill levels or deathmatch
3496         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3497         {
3498                 if (deathmatch.integer)
3499                 {
3500                         if (((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_DEATHMATCH))
3501                         {
3502                                 return false;
3503                         }
3504                 }
3505                 else if ((current_skill <= 0 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_EASY  ))
3506                         || (current_skill == 1 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_MEDIUM))
3507                         || (current_skill >= 2 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_HARD  )))
3508                 {
3509                         return false;
3510                 }
3511         }
3512         return true;
3513 }
3514
3515 static void SV_VM_Setup(void)
3516 {
3517         PRVM_Begin;
3518         PRVM_InitProg( PRVM_SERVERPROG );
3519
3520         // allocate the mempools
3521         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3522         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3523         prog->builtins = vm_sv_builtins;
3524         prog->numbuiltins = vm_sv_numbuiltins;
3525         prog->headercrc = PROGHEADER_CRC;
3526         prog->headercrc2 = PROGHEADER_CRC_TENEBRAE;
3527         prog->max_edicts = 512;
3528         if (sv.protocol == PROTOCOL_QUAKE)
3529                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3530         else if (sv.protocol == PROTOCOL_QUAKEDP)
3531                 prog->limit_edicts = 2048; // guessing
3532         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3533                 prog->limit_edicts = 2048; // guessing!
3534         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3535                 prog->limit_edicts = 4096; // guessing!
3536         else
3537                 prog->limit_edicts = MAX_EDICTS;
3538         prog->reserved_edicts = svs.maxclients;
3539         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3540         prog->name = "server";
3541         prog->extensionstring = vm_sv_extensions;
3542         prog->loadintoworld = true;
3543
3544         prog->begin_increase_edicts = SV_VM_CB_BeginIncreaseEdicts;
3545         prog->end_increase_edicts = SV_VM_CB_EndIncreaseEdicts;
3546         prog->init_edict = SV_VM_CB_InitEdict;
3547         prog->free_edict = SV_VM_CB_FreeEdict;
3548         prog->count_edicts = SV_VM_CB_CountEdicts;
3549         prog->load_edict = SV_VM_CB_LoadEdict;
3550         prog->init_cmd = VM_SV_Cmd_Init;
3551         prog->reset_cmd = VM_SV_Cmd_Reset;
3552         prog->error_cmd = Host_Error;
3553         prog->ExecuteProgram = SVVM_ExecuteProgram;
3554
3555         // TODO: add a requiredfuncs list (ask LH if this is necessary at all)
3556         PRVM_LoadProgs( sv_progs.string, 0, NULL, REQFIELDS, reqfields, 0, NULL );
3557
3558         // some mods compiled with scrambling compilers lack certain critical
3559         // global names and field names such as "self" and "time" and "nextthink"
3560         // so we have to set these offsets manually, matching the entvars_t
3561         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3562         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3563         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3564         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3565         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3566         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
3567         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3568         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3569         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
3570         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
3571         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
3572         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
3573         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
3574         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
3575         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
3576         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
3577         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
3578         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
3579         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
3580         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
3581         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
3582         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
3583         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
3584         // OP_STATE is always supported on server (due to entvars_t)
3585         prog->flag |= PRVM_OP_STATE;
3586
3587         VM_CustomStats_Clear();//[515]: csqc
3588
3589         PRVM_End;
3590
3591         SV_Prepare_CSQC();
3592 }
3593
3594 void SV_VM_Begin(void)
3595 {
3596         PRVM_Begin;
3597         PRVM_SetProg( PRVM_SERVERPROG );
3598
3599         prog->globals.server->time = (float) sv.time;
3600 }
3601
3602 void SV_VM_End(void)
3603 {
3604         PRVM_End;
3605 }