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_allowdownloads = {0, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
  66 cvar_t sv_allowdownloads_archive = {0, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
  67 cvar_t sv_allowdownloads_config = {0, "sv_allowdownloads_config", "0", "whether to allow downloads of config files (cfg)"};
  68 cvar_t sv_allowdownloads_dlcache = {0, "sv_allowdownloads_dlcache", "0", "whether to allow downloads of dlcache files (dlcache/)"};
  69 cvar_t sv_allowdownloads_inarchive = {0, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
  70 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"};
  71 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"};
  72 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"};
  73 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)"};
  74 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)"};
  75 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)"};
  76 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!)"};
  77 cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"};
  78 cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
  79 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"};
  80 cvar_t sv_cullentities_trace_delay = {0, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
  81 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"};
  82 cvar_t sv_cullentities_trace_enlarge = {0, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
  83 cvar_t sv_cullentities_trace_prediction = {0, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
  84 cvar_t sv_cullentities_trace_prediction_time = {0, "sv_cullentities_trace_prediction_time", "0.2", "how many seconds of prediction to use"};
  85 cvar_t sv_cullentities_trace_entityocclusion = {0, "sv_cullentities_trace_entityocclusion", "0", "also check if doors and other bsp models are in the way"};
  86 cvar_t sv_cullentities_trace_samples = {0, "sv_cullentities_trace_samples", "2", "number of samples to test for entity culling"};
  87 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"};
  88 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"};
  89 cvar_t sv_debugmove = {CVAR_NOTIFY, "sv_debugmove", "0", "disables collision detection optimizations for debugging purposes"};
  90 cvar_t sv_echobprint = {CVAR_SAVE, "sv_echobprint", "1", "prints gamecode bprint() calls to server console"};
  91 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)"};
  92 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)"};
  93 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)"};
  94 cvar_t sv_freezenonclients = {CVAR_NOTIFY, "sv_freezenonclients", "0", "freezes time, except for players, allowing you to walk around and take screenshots of explosions"};
  95 cvar_t sv_friction = {CVAR_NOTIFY, "sv_friction","4", "how fast you slow down"};
  96 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"};
  97 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"};
  98 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"};
  99 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)"};
 100 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"};
 101 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)"};
 102 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"};
 103 cvar_t sv_gameplayfix_gravityunaffectedbyticrate = {0, "sv_gameplayfix_gravityunaffectedbyticrate", "0", "fix some ticrate issues in physics."};
 104 cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
 105 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"};
 106 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"};
 107 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)"};
 108 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)"};
 109 cvar_t sv_gameplayfix_nudgeoutofsolid_bias = {0, "sv_gameplayfix_nudgeoutofsolid_bias", "0", "over-correction on nudgeoutofsolid logic, to prevent constant contact"};
 110 cvar_t sv_gameplayfix_q2airaccelerate = {0, "sv_gameplayfix_q2airaccelerate", "0", "Quake2-style air acceleration"};
 111 cvar_t sv_gameplayfix_nogravityonground = {0, "sv_gameplayfix_nogravityonground", "0", "Quake2-style air acceleration"};
 112 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"};
 113 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"};
 114 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)"};
 115 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)"};
 116 cvar_t sv_gameplayfix_stepmultipletimes = {0, "sv_gameplayfix_stepmultipletimes", "1", "applies step-up onto a ledge more than once in a single frame, when running quickly up stairs"};
 117 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"};
 118 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"};
 119 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)"};
 120 cvar_t sv_gravity = {CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
 121 cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
 122 cvar_t sv_jumpstep = {CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping (sv_gameplayfix_stepwhilejumping must also be 1)"};
 123 cvar_t sv_jumpvelocity = {0, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
 124 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)"};
 125 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
 126 cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
 127 cvar_t sv_maxvelocity = {CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
 128 cvar_t sv_nostep = {CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
 129 cvar_t sv_playerphysicsqc = {CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
 130 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
 131 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
 132 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"};
 133 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)"};
 134 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)"};
 135 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)"};
 136 cvar_t sv_stepheight = {CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
 137 cvar_t sv_stopspeed = {CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
 138 cvar_t sv_wallfriction = {CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
 139 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"};
 140 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"};
 141 cvar_t sv_warsowbunny_airforwardaccel = {0, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
 142 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)"};
 143 cvar_t sv_warsowbunny_topspeed = {0, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
 144 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)"};
 145 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"};
 146 cvar_t sv_onlycsqcnetworking = {0, "sv_onlycsqcnetworking", "0", "disables legacy entity networking code for higher performance (except on clients, which can still be legacy)"};
 147 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"};
 148 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"};
 149 cvar_t timelimit = {CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
 150
 151 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 152 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 153 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 154 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 155 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 156 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
 157 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
 158 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
 159 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
 160 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)"};
 161
 162 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
 163 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
 164 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
 165 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
 166 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
 167 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
 168 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
 169 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
 170 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
 171 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
 172 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
 173 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
 174 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
 175 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
 176 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
 177 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
 178 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
 179 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
 180 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
 181 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
 182 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
 183
 184 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)"};
 185 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)" };
 186 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."};
 187
 188 cvar_t halflifebsp = {0, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
 189
 190 server_t sv;
 191 server_static_t svs;
 192
 193 mempool_t *sv_mempool = NULL;
 194
 195 extern cvar_t slowmo;
 196 extern float            scr_centertime_off;
 197
 198 // MUST match effectnameindex_t in client.h
 199 static const char *standardeffectnames[EFFECT_TOTAL] =
 200 {
 201         "",
 202         "TE_GUNSHOT",
 203         "TE_GUNSHOTQUAD",
 204         "TE_SPIKE",
 205         "TE_SPIKEQUAD",
 206         "TE_SUPERSPIKE",
 207         "TE_SUPERSPIKEQUAD",
 208         "TE_WIZSPIKE",
 209         "TE_KNIGHTSPIKE",
 210         "TE_EXPLOSION",
 211         "TE_EXPLOSIONQUAD",
 212         "TE_TAREXPLOSION",
 213         "TE_TELEPORT",
 214         "TE_LAVASPLASH",
 215         "TE_SMALLFLASH",
 216         "TE_FLAMEJET",
 217         "EF_FLAME",
 218         "TE_BLOOD",
 219         "TE_SPARK",
 220         "TE_PLASMABURN",
 221         "TE_TEI_G3",
 222         "TE_TEI_SMOKE",
 223         "TE_TEI_BIGEXPLOSION",
 224         "TE_TEI_PLASMAHIT",
 225         "EF_STARDUST",
 226         "TR_ROCKET",
 227         "TR_GRENADE",
 228         "TR_BLOOD",
 229         "TR_WIZSPIKE",
 230         "TR_SLIGHTBLOOD",
 231         "TR_KNIGHTSPIKE",
 232         "TR_VORESPIKE",
 233         "TR_NEHAHRASMOKE",
 234         "TR_NEXUIZPLASMA",
 235         "TR_GLOWTRAIL",
 236         "SVC_PARTICLE"
 237 };
 238
 239 #define REQFIELDS (sizeof(reqfields) / sizeof(prvm_required_field_t))
 240
 241 prvm_required_field_t reqfields[] =
 242 {
 243         {ev_entity, "cursor_trace_ent"},
 244         {ev_entity, "drawonlytoclient"},
 245         {ev_entity, "exteriormodeltoclient"},
 246         {ev_entity, "nodrawtoclient"},
 247         {ev_entity, "tag_entity"},
 248         {ev_entity, "viewmodelforclient"},
 249         {ev_float, "SendFlags"},
 250         {ev_float, "Version"},
 251         {ev_float, "alpha"},
 252         {ev_float, "ammo_cells1"},
 253         {ev_float, "ammo_lava_nails"},
 254         {ev_float, "ammo_multi_rockets"},
 255         {ev_float, "ammo_nails1"},
 256         {ev_float, "ammo_plasma"},
 257         {ev_float, "ammo_rockets1"},
 258         {ev_float, "ammo_shells1"},
 259         {ev_float, "button3"},
 260         {ev_float, "button4"},
 261         {ev_float, "button5"},
 262         {ev_float, "button6"},
 263         {ev_float, "button7"},
 264         {ev_float, "button8"},
 265         {ev_float, "button9"},
 266         {ev_float, "button10"},
 267         {ev_float, "button11"},
 268         {ev_float, "button12"},
 269         {ev_float, "button13"},
 270         {ev_float, "button14"},
 271         {ev_float, "button15"},
 272         {ev_float, "button16"},
 273         {ev_float, "buttonchat"},
 274         {ev_float, "buttonuse"},
 275         {ev_float, "clientcolors"},
 276         {ev_float, "cursor_active"},
 277         {ev_float, "disableclientprediction"},
 278         {ev_float, "fullbright"},
 279         {ev_float, "glow_color"},
 280         {ev_float, "glow_size"},
 281         {ev_float, "glow_trail"},
 282         {ev_float, "gravity"},
 283         {ev_float, "idealpitch"},
 284         {ev_float, "items2"},
 285         {ev_float, "light_lev"},
 286         {ev_float, "modelflags"},
 287         {ev_float, "pflags"},
 288         {ev_float, "ping"},
 289         {ev_float, "pitch_speed"},
 290         {ev_float, "pmodel"},
 291         {ev_float, "renderamt"}, // HalfLife support
 292         {ev_float, "rendermode"}, // HalfLife support
 293         {ev_float, "scale"},
 294         {ev_float, "style"},
 295         {ev_float, "tag_index"},
 296         {ev_float, "viewzoom"},
 297         {ev_function, "SendEntity"},
 298         {ev_function, "contentstransition"}, // DRESK - Support for Entity Contents Transition Event
 299         {ev_function, "customizeentityforclient"},
 300         {ev_function, "movetypesteplandevent"}, // DRESK - Support for MOVETYPE_STEP Entity Land Event
 301         {ev_string, "netaddress"},
 302         {ev_string, "playermodel"},
 303         {ev_string, "playerskin"},
 304         {ev_vector, "color"},
 305         {ev_vector, "colormod"},
 306         {ev_vector, "cursor_screen"},
 307         {ev_vector, "cursor_trace_endpos"},
 308         {ev_vector, "cursor_trace_start"},
 309         {ev_vector, "glowmod"},
 310         {ev_vector, "movement"},
 311         {ev_vector, "punchvector"},
 312
 313         // physics
 314         //{ev_float, "solid"},
 315         //{ev_float, "movetype"},
 316         //{ev_float, "modelindex"},
 317         {ev_vector, "mass"},
 318         //{ev_vector, "origin"},
 319         //{ev_vector, "velocity"},
 320         //{ev_vector, "axis_forward"},
 321         //{ev_vector, "axis_left"},
 322         //{ev_vector, "axis_up"},
 323         //{ev_vector, "spinvelocity"},
 324         //{ev_vector, "angles"},
 325         //{ev_vector, "avelocity"},
 326
 327 };
 328
 329
 330
 331 //============================================================================
 332
 333 void SV_AreaStats_f(void)
 334 {
 335         World_PrintAreaStats(&sv.world, "server");
 336 }
 337
 338 /*
 339 ===============
 340 SV_Init
 341 ===============
 342 */
 343 void SV_Init (void)
 344 {
 345         // init the csqc progs cvars, since they are updated/used by the server code
 346         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
 347         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
 348         extern cvar_t csqc_progcrc;
 349         extern cvar_t csqc_progsize;
 350
 351         Cvar_RegisterVariable(&sv_worldmessage);
 352         Cvar_RegisterVariable(&sv_worldname);
 353         Cvar_RegisterVariable(&sv_worldnamenoextension);
 354         Cvar_RegisterVariable(&sv_worldbasename);
 355
 356         Cvar_RegisterVariable (&csqc_progname);
 357         Cvar_RegisterVariable (&csqc_progcrc);
 358         Cvar_RegisterVariable (&csqc_progsize);
 359
 360         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
 361         Cmd_AddCommand("sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
 362         Cmd_AddCommand_WithClientCommand("sv_startdownload", NULL, SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
 363         Cmd_AddCommand_WithClientCommand("download", NULL, SV_Download_f, "downloads a specified file from the server");
 364
 365         Cvar_RegisterVariable (&coop);
 366         Cvar_RegisterVariable (&deathmatch);
 367         Cvar_RegisterVariable (&fraglimit);
 368         Cvar_RegisterVariable (&gamecfg);
 369         Cvar_RegisterVariable (&noexit);
 370         Cvar_RegisterVariable (&nomonsters);
 371         Cvar_RegisterVariable (&pausable);
 372         Cvar_RegisterVariable (&pr_checkextension);
 373         Cvar_RegisterVariable (&samelevel);
 374         Cvar_RegisterVariable (&skill);
 375         Cvar_RegisterVariable (&slowmo);
 376         Cvar_RegisterVariable (&sv_accelerate);
 377         Cvar_RegisterVariable (&sv_aim);
 378         Cvar_RegisterVariable (&sv_airaccel_qw);
 379         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
 380         Cvar_RegisterVariable (&sv_airaccelerate);
 381         Cvar_RegisterVariable (&sv_airstopaccelerate);
 382         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
 383         Cvar_RegisterVariable (&sv_maxairstrafespeed);
 384         Cvar_RegisterVariable (&sv_airstrafeaccel_qw);
 385         Cvar_RegisterVariable (&sv_airspeedlimit_nonqw);
 386         Cvar_RegisterVariable (&sv_aircontrol);
 387         Cvar_RegisterVariable (&sv_aircontrol_power);
 388         Cvar_RegisterVariable (&sv_allowdownloads);
 389         Cvar_RegisterVariable (&sv_allowdownloads_archive);
 390         Cvar_RegisterVariable (&sv_allowdownloads_config);
 391         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
 392         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
 393         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
 394         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
 395         Cvar_RegisterVariable (&sv_clmovement_enable);
 396         Cvar_RegisterVariable (&sv_clmovement_minping);
 397         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
 398         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
 399         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
 400         Cvar_RegisterVariable (&sv_cullentities_pvs);
 401         Cvar_RegisterVariable (&sv_cullentities_stats);
 402         Cvar_RegisterVariable (&sv_cullentities_trace);
 403         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
 404         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
 405         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
 406         Cvar_RegisterVariable (&sv_cullentities_trace_entityocclusion);
 407         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
 408         Cvar_RegisterVariable (&sv_cullentities_trace_prediction_time);
 409         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
 410         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
 411         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
 412         Cvar_RegisterVariable (&sv_debugmove);
 413         Cvar_RegisterVariable (&sv_echobprint);
 414         Cvar_RegisterVariable (&sv_edgefriction);
 415         Cvar_RegisterVariable (&sv_entpatch);
 416         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
 417         Cvar_RegisterVariable (&sv_freezenonclients);
 418         Cvar_RegisterVariable (&sv_friction);
 419         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
 420         Cvar_RegisterVariable (&sv_gameplayfix_consistentplayerprethink);
 421         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
 422         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
 423         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
 424         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
 425         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
 426         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
 427         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
 428         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
 429         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
 430         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
 431         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid);
 432         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid_bias);
 433         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
 434         Cvar_RegisterVariable (&sv_gameplayfix_nogravityonground);
 435         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
 436         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
 437         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
 438         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
 439         Cvar_RegisterVariable (&sv_gameplayfix_stepmultipletimes);
 440         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
 441         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
 442         Cvar_RegisterVariable (&sv_gameplayfix_downtracesupportsongroundflag);
 443         Cvar_RegisterVariable (&sv_gravity);
 444         Cvar_RegisterVariable (&sv_idealpitchscale);
 445         Cvar_RegisterVariable (&sv_jumpstep);
 446         Cvar_RegisterVariable (&sv_jumpvelocity);
 447         Cvar_RegisterVariable (&sv_maxairspeed);
 448         Cvar_RegisterVariable (&sv_maxrate);
 449         Cvar_RegisterVariable (&sv_maxspeed);
 450         Cvar_RegisterVariable (&sv_maxvelocity);
 451         Cvar_RegisterVariable (&sv_nostep);
 452         Cvar_RegisterVariable (&sv_playerphysicsqc);
 453         Cvar_RegisterVariable (&sv_progs);
 454         Cvar_RegisterVariable (&sv_protocolname);
 455         Cvar_RegisterVariable (&sv_random_seed);
 456         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
 457         Cvar_RegisterVariable (&sv_sound_land);
 458         Cvar_RegisterVariable (&sv_sound_watersplash);
 459         Cvar_RegisterVariable (&sv_stepheight);
 460         Cvar_RegisterVariable (&sv_stopspeed);
 461         Cvar_RegisterVariable (&sv_wallfriction);
 462         Cvar_RegisterVariable (&sv_wateraccelerate);
 463         Cvar_RegisterVariable (&sv_waterfriction);
 464         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
 465         Cvar_RegisterVariable (&sv_warsowbunny_accel);
 466         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
 467         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
 468         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
 469         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
 470         Cvar_RegisterVariable (&sys_ticrate);
 471         Cvar_RegisterVariable (&teamplay);
 472         Cvar_RegisterVariable (&timelimit);
 473
 474         Cvar_RegisterVariable (&saved1);
 475         Cvar_RegisterVariable (&saved2);
 476         Cvar_RegisterVariable (&saved3);
 477         Cvar_RegisterVariable (&saved4);
 478         Cvar_RegisterVariable (&savedgamecfg);
 479         Cvar_RegisterVariable (&scratch1);
 480         Cvar_RegisterVariable (&scratch2);
 481         Cvar_RegisterVariable (&scratch3);
 482         Cvar_RegisterVariable (&scratch4);
 483         Cvar_RegisterVariable (&temp1);
 484
 485         // LordHavoc: Nehahra uses these to pass data around cutscene demos
 486         if (gamemode == GAME_NEHAHRA)
 487         {
 488                 Cvar_RegisterVariable (&nehx00);
 489                 Cvar_RegisterVariable (&nehx01);
 490                 Cvar_RegisterVariable (&nehx02);
 491                 Cvar_RegisterVariable (&nehx03);
 492                 Cvar_RegisterVariable (&nehx04);
 493                 Cvar_RegisterVariable (&nehx05);
 494                 Cvar_RegisterVariable (&nehx06);
 495                 Cvar_RegisterVariable (&nehx07);
 496                 Cvar_RegisterVariable (&nehx08);
 497                 Cvar_RegisterVariable (&nehx09);
 498                 Cvar_RegisterVariable (&nehx10);
 499                 Cvar_RegisterVariable (&nehx11);
 500                 Cvar_RegisterVariable (&nehx12);
 501                 Cvar_RegisterVariable (&nehx13);
 502                 Cvar_RegisterVariable (&nehx14);
 503                 Cvar_RegisterVariable (&nehx15);
 504                 Cvar_RegisterVariable (&nehx16);
 505                 Cvar_RegisterVariable (&nehx17);
 506                 Cvar_RegisterVariable (&nehx18);
 507                 Cvar_RegisterVariable (&nehx19);
 508         }
 509         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
 510
 511         Cvar_RegisterVariable (&sv_autodemo_perclient);
 512         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
 513         Cvar_RegisterVariable (&sv_autodemo_perclient_discardable);
 514
 515         Cvar_RegisterVariable (&halflifebsp);
 516
 517         // any special defaults for gamemodes go here
 518         if (gamemode == GAME_NEHAHRA)
 519         {
 520                 // Nehahra pushable crates malfunction in some levels if this is on
 521                 Cvar_SetValueQuick (&sv_gameplayfix_upwardvelocityclearsongroundflag, 0);
 522                 // Nehahra NPC AI is confused by this feature
 523                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
 524         }
 525         if (gamemode == GAME_HIPNOTIC)
 526         {
 527                 // 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.
 528                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
 529                 // 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
 530                 Cvar_SetValueQuick (&sys_ticrate, 0.02);
 531                 // hipnotic mission pack has issues in their proximity mine sticking code, which causes them to bounce off.
 532                 Cvar_SetValueQuick (&sv_gameplayfix_slidemoveprojectiles, 0);
 533         }
 534         if (gamemode == GAME_ROGUE)
 535         {
 536                 // rogue mission pack has a guardian boss that does not wake up if findradius returns one of the entities around its spawn area
 537                 Cvar_SetValueQuick (&sv_gameplayfix_findradiusdistancetobox, 0);
 538         }
 539         if (gamemode == GAME_NEXUIZ)
 540         {
 541                 Cvar_SetValueQuick (&sv_gameplayfix_q2airaccelerate, 1);
 542         }
 543
 544         sv_mempool = Mem_AllocPool("server", 0, NULL);
 545 }
 546
 547 static void SV_SaveEntFile_f(void)
 548 {
 549         if (!sv.active || !sv.worldmodel)
 550         {
 551                 Con_Print("Not running a server\n");
 552                 return;
 553         }
 554         FS_WriteFile(va("%s.ent", sv.worldnamenoextension), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
 555 }
 556
 557
 558 /*
 559 =============================================================================
 560
 561 EVENT MESSAGES
 562
 563 =============================================================================
 564 */
 565
 566 /*
 567 ==================
 568 SV_StartParticle
 569
 570 Make sure the event gets sent to all clients
 571 ==================
 572 */
 573 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 574 {
 575         int i;
 576
 577         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 578                 return;
 579         MSG_WriteByte (&sv.datagram, svc_particle);
 580         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 581         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 582         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 583         for (i=0 ; i<3 ; i++)
 584                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
 585         MSG_WriteByte (&sv.datagram, count);
 586         MSG_WriteByte (&sv.datagram, color);
 587         SV_FlushBroadcastMessages();
 588 }
 589
 590 /*
 591 ==================
 592 SV_StartEffect
 593
 594 Make sure the event gets sent to all clients
 595 ==================
 596 */
 597 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 598 {
 599         if (modelindex >= 256 || startframe >= 256)
 600         {
 601                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 602                         return;
 603                 MSG_WriteByte (&sv.datagram, svc_effect2);
 604                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 605                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 606                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 607                 MSG_WriteShort (&sv.datagram, modelindex);
 608                 MSG_WriteShort (&sv.datagram, startframe);
 609                 MSG_WriteByte (&sv.datagram, framecount);
 610                 MSG_WriteByte (&sv.datagram, framerate);
 611         }
 612         else
 613         {
 614                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 615                         return;
 616                 MSG_WriteByte (&sv.datagram, svc_effect);
 617                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 618                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 619                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 620                 MSG_WriteByte (&sv.datagram, modelindex);
 621                 MSG_WriteByte (&sv.datagram, startframe);
 622                 MSG_WriteByte (&sv.datagram, framecount);
 623                 MSG_WriteByte (&sv.datagram, framerate);
 624         }
 625         SV_FlushBroadcastMessages();
 626 }
 627
 628 /*
 629 ==================
 630 SV_StartSound
 631
 632 Each entity can have eight independant sound sources, like voice,
 633 weapon, feet, etc.
 634
 635 Channel 0 is an auto-allocate channel, the others override anything
 636 already running on that entity/channel pair.
 637
 638 An attenuation of 0 will play full volume everywhere in the level.
 639 Larger attenuations will drop off.  (max 4 attenuation)
 640
 641 ==================
 642 */
 643 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation)
 644 {
 645         int sound_num, field_mask, i, ent;
 646
 647         if (volume < 0 || volume > 255)
 648         {
 649                 Con_Printf ("SV_StartSound: volume = %i\n", volume);
 650                 return;
 651         }
 652
 653         if (attenuation < 0 || attenuation > 4)
 654         {
 655                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
 656                 return;
 657         }
 658
 659         if (channel < 0 || channel > 7)
 660         {
 661                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
 662                 return;
 663         }
 664
 665         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 666                 return;
 667
 668 // find precache number for sound
 669         sound_num = SV_SoundIndex(sample, 1);
 670         if (!sound_num)
 671                 return;
 672
 673         ent = PRVM_NUM_FOR_EDICT(entity);
 674
 675         field_mask = 0;
 676         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 677                 field_mask |= SND_VOLUME;
 678         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 679                 field_mask |= SND_ATTENUATION;
 680         if (ent >= 8192)
 681                 field_mask |= SND_LARGEENTITY;
 682         if (sound_num >= 256 || channel >= 8)
 683                 field_mask |= SND_LARGESOUND;
 684
 685 // directed messages go only to the entity they are targeted on
 686         MSG_WriteByte (&sv.datagram, svc_sound);
 687         MSG_WriteByte (&sv.datagram, field_mask);
 688         if (field_mask & SND_VOLUME)
 689                 MSG_WriteByte (&sv.datagram, volume);
 690         if (field_mask & SND_ATTENUATION)
 691                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 692         if (field_mask & SND_LARGEENTITY)
 693         {
 694                 MSG_WriteShort (&sv.datagram, ent);
 695                 MSG_WriteByte (&sv.datagram, channel);
 696         }
 697         else
 698                 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
 699         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
 700                 MSG_WriteShort (&sv.datagram, sound_num);
 701         else
 702                 MSG_WriteByte (&sv.datagram, sound_num);
 703         for (i = 0;i < 3;i++)
 704                 MSG_WriteCoord (&sv.datagram, entity->fields.server->origin[i]+0.5*(entity->fields.server->mins[i]+entity->fields.server->maxs[i]), sv.protocol);
 705         SV_FlushBroadcastMessages();
 706 }
 707
 708 /*
 709 ==================
 710 SV_StartPointSound
 711
 712 Nearly the same logic as SV_StartSound, except an origin
 713 instead of an entity is provided and channel is omitted.
 714
 715 The entity sent to the client is 0 (world) and the channel
 716 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
 717 function, therefore the check for it is omitted.
 718
 719 ==================
 720 */
 721 void SV_StartPointSound (vec3_t origin, const char *sample, int volume, float attenuation)
 722 {
 723         int sound_num, field_mask, i;
 724
 725         if (volume < 0 || volume > 255)
 726         {
 727                 Con_Printf ("SV_StartPointSound: volume = %i\n", volume);
 728                 return;
 729         }
 730
 731         if (attenuation < 0 || attenuation > 4)
 732         {
 733                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
 734                 return;
 735         }
 736
 737         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 738                 return;
 739
 740         // find precache number for sound
 741         sound_num = SV_SoundIndex(sample, 1);
 742         if (!sound_num)
 743                 return;
 744
 745         field_mask = 0;
 746         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 747                 field_mask |= SND_VOLUME;
 748         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 749                 field_mask |= SND_ATTENUATION;
 750         if (sound_num >= 256)
 751                 field_mask |= SND_LARGESOUND;
 752
 753 // directed messages go only to the entity they are targeted on
 754         MSG_WriteByte (&sv.datagram, svc_sound);
 755         MSG_WriteByte (&sv.datagram, field_mask);
 756         if (field_mask & SND_VOLUME)
 757                 MSG_WriteByte (&sv.datagram, volume);
 758         if (field_mask & SND_ATTENUATION)
 759                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 760         // Always write entnum 0 for the world entity
 761         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
 762         if (field_mask & SND_LARGESOUND)
 763                 MSG_WriteShort (&sv.datagram, sound_num);
 764         else
 765                 MSG_WriteByte (&sv.datagram, sound_num);
 766         for (i = 0;i < 3;i++)
 767                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
 768         SV_FlushBroadcastMessages();
 769 }
 770
 771 /*
 772 ==============================================================================
 773
 774 CLIENT SPAWNING
 775
 776 ==============================================================================
 777 */
 778
 779 /*
 780 ================
 781 SV_SendServerinfo
 782
 783 Sends the first message from the server to a connected client.
 784 This will be sent on the initial connection and upon each server load.
 785 ================
 786 */
 787 void SV_SendServerinfo (client_t *client)
 788 {
 789         int i;
 790         char message[128];
 791
 792         // we know that this client has a netconnection and thus is not a bot
 793
 794         // edicts get reallocated on level changes, so we need to update it here
 795         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
 796
 797         // clear cached stuff that depends on the level
 798         client->weaponmodel[0] = 0;
 799         client->weaponmodelindex = 0;
 800
 801         // LordHavoc: clear entityframe tracking
 802         client->latestframenum = 0;
 803
 804         // initialize the movetime, so a speedhack can't make use of the time before this client joined
 805         client->cmd.time = sv.time;
 806
 807         if (client->entitydatabase)
 808                 EntityFrame_FreeDatabase(client->entitydatabase);
 809         if (client->entitydatabase4)
 810                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 811         if (client->entitydatabase5)
 812                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 813
 814         memset(client->stats, 0, sizeof(client->stats));
 815         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
 816
 817         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)
 818         {
 819                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 820                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
 821                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
 822                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
 823                 else
 824                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
 825         }
 826
 827         // reset csqc entity versions
 828         for (i = 0;i < prog->max_edicts;i++)
 829         {
 830                 client->csqcentityscope[i] = 0;
 831                 client->csqcentitysendflags[i] = 0xFFFFFF;
 832                 client->csqcentityglobalhistory[i] = 0;
 833         }
 834         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
 835         {
 836                 client->csqcentityframehistory[i].num = 0;
 837                 client->csqcentityframehistory[i].framenum = -1;
 838         }
 839         client->csqcnumedicts = 0;
 840         client->csqcentityframehistory_next = 0;
 841
 842         SZ_Clear (&client->netconnection->message);
 843         MSG_WriteByte (&client->netconnection->message, svc_print);
 844         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)\n", gamename, buildstring, prog->filecrc);
 845         MSG_WriteString (&client->netconnection->message,message);
 846
 847         SV_StopDemoRecording(client); // to split up demos into different files
 848         if(sv_autodemo_perclient.integer && client->netconnection)
 849         {
 850                 char demofile[MAX_OSPATH];
 851                 char ipaddress[MAX_QPATH];
 852                 size_t i;
 853
 854                 // start a new demo file
 855                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
 856                 for(i = 0; ipaddress[i]; ++i)
 857                         if(!isalnum(ipaddress[i]))
 858                                 ipaddress[i] = '-';
 859                 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);
 860
 861                 SV_StartDemoRecording(client, demofile, -1);
 862         }
 863
 864         //[515]: init csprogs according to version of svprogs, check the crc, etc.
 865         if (sv.csqc_progname[0])
 866         {
 867                 prvm_eval_t *val;
 868                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
 869                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 870                 MSG_WriteString (&client->netconnection->message, va("csqc_progname %s\n", sv.csqc_progname));
 871                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 872                 MSG_WriteString (&client->netconnection->message, va("csqc_progsize %i\n", sv.csqc_progsize));
 873                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 874                 MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i\n", sv.csqc_progcrc));
 875
 876                 if(client->sv_demo_file != NULL)
 877                 {
 878                         int i;
 879                         static char buf[NET_MAXMESSAGE];
 880                         sizebuf_t sb;
 881
 882                         sb.data = (unsigned char *) buf;
 883                         sb.maxsize = sizeof(buf);
 884                         i = 0;
 885                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, i++, &sb, sv.protocol))
 886                                 SV_WriteDemoMessage(client, &sb, false);
 887                 }
 888
 889                 //[515]: init stufftext string (it is sent before svc_serverinfo)
 890                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.SV_InitCmd);
 891                 if (val)
 892                 {
 893                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 894                         MSG_WriteString (&client->netconnection->message, va("%s\n", PRVM_GetString(val->string)));
 895                 }
 896         }
 897
 898         //if (sv_allowdownloads.integer)
 899         // always send the info that the server supports the protocol, even if downloads are forbidden
 900         // only because of that, the CSQC exception can work
 901         {
 902                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 903                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
 904         }
 905
 906         // send at this time so it's guaranteed to get executed at the right time
 907         {
 908                 client_t *save;
 909                 save = host_client;
 910                 host_client = client;
 911                 Curl_SendRequirements();
 912                 host_client = save;
 913         }
 914
 915         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
 916         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
 917         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
 918
 919         if (!coop.integer && deathmatch.integer)
 920                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
 921         else
 922                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
 923
 924         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog->edicts->fields.server->message));
 925
 926         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
 927                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
 928         MSG_WriteByte (&client->netconnection->message, 0);
 929
 930         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
 931                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
 932         MSG_WriteByte (&client->netconnection->message, 0);
 933
 934 // send music
 935         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
 936         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
 937         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
 938
 939 // set view
 940 // store this in clientcamera, too
 941         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
 942         MSG_WriteByte (&client->netconnection->message, svc_setview);
 943         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
 944
 945         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
 946         MSG_WriteByte (&client->netconnection->message, 1);
 947
 948         client->spawned = false;                // need prespawn, spawn, etc
 949         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
 950
 951         // clear movement info until client enters the new level properly
 952         memset(&client->cmd, 0, sizeof(client->cmd));
 953         client->movesequence = 0;
 954         client->movement_highestsequence_seen = 0;
 955         memset(&client->movement_count, 0, sizeof(client->movement_count));
 956 #ifdef NUM_PING_TIMES
 957         for (i = 0;i < NUM_PING_TIMES;i++)
 958                 client->ping_times[i] = 0;
 959         client->num_pings = 0;
 960 #endif
 961         client->ping = 0;
 962
 963         // allow the client some time to send his keepalives, even if map loading took ages
 964         client->netconnection->timeout = realtime + net_connecttimeout.value;
 965 }
 966
 967 /*
 968 ================
 969 SV_ConnectClient
 970
 971 Initializes a client_t for a new net connection.  This will only be called
 972 once for a player each game, not once for each level change.
 973 ================
 974 */
 975 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
 976 {
 977         client_t                *client;
 978         int                             i;
 979         float                   spawn_parms[NUM_SPAWN_PARMS];
 980
 981         client = svs.clients + clientnum;
 982
 983 // set up the client_t
 984         if (sv.loadgame)
 985                 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
 986         memset (client, 0, sizeof(*client));
 987         client->active = true;
 988         client->netconnection = netconnection;
 989
 990         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
 991
 992         strlcpy(client->name, "unconnected", sizeof(client->name));
 993         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
 994         client->spawned = false;
 995         client->edict = PRVM_EDICT_NUM(clientnum+1);
 996         if (client->netconnection)
 997                 client->netconnection->message.allowoverflow = true;            // we can catch it
 998         // prepare the unreliable message buffer
 999         client->unreliablemsg.data = client->unreliablemsg_data;
1000         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
1001         // updated by receiving "rate" command from client, this is also the default if not using a DP client
1002         client->rate = 1000000000;
1003         // no limits for local player
1004         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
1005                 client->rate = 1000000000;
1006         client->connecttime = realtime;
1007
1008         if (sv.loadgame)
1009                 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
1010         else
1011         {
1012                 // call the progs to get default spawn parms for the new client
1013                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
1014                 prog->globals.server->self = 0;
1015                 PRVM_ExecuteProgram (prog->globals.server->SetNewParms, "QC function SetNewParms is missing");
1016                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1017                         client->spawn_parms[i] = (&prog->globals.server->parm1)[i];
1018
1019                 // set up the entity for this client (including .colormap, .team, etc)
1020                 PRVM_ED_ClearEdict(client->edict);
1021         }
1022
1023         // don't call SendServerinfo for a fresh botclient because its fields have
1024         // not been set up by the qc yet
1025         if (client->netconnection)
1026                 SV_SendServerinfo (client);
1027         else
1028                 client->spawned = true;
1029 }
1030
1031
1032 /*
1033 ===============================================================================
1034
1035 FRAME UPDATES
1036
1037 ===============================================================================
1038 */
1039
1040 /*
1041 =============================================================================
1042
1043 The PVS must include a small area around the client to allow head bobbing
1044 or other small motion on the client side.  Otherwise, a bob might cause an
1045 entity that should be visible to not show up, especially when the bob
1046 crosses a waterline.
1047
1048 =============================================================================
1049 */
1050
1051 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1052 {
1053         int i;
1054         unsigned int sendflags;
1055         unsigned int version;
1056         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1057         unsigned int customizeentityforclient;
1058         unsigned int sendentity;
1059         float f;
1060         vec3_t cullmins, cullmaxs;
1061         dp_model_t *model;
1062         prvm_eval_t *val, *val2;
1063
1064         // fast path for games that do not use legacy entity networking
1065         // note: still networks clients even if they are legacy
1066         sendentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendEntity)->function;
1067         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1068                 return false;
1069
1070         // this 2 billion unit check is actually to detect NAN origins
1071         // (we really don't want to send those)
1072         if (!(VectorLength2(ent->fields.server->origin) < 2000000000.0*2000000000.0))
1073                 return false;
1074
1075         // EF_NODRAW prevents sending for any reason except for your own
1076         // client, so we must keep all clients in this superset
1077         effects = (unsigned)ent->fields.server->effects;
1078
1079         // we can omit invisible entities with no effects that are not clients
1080         // LordHavoc: this could kill tags attached to an invisible entity, I
1081         // just hope we never have to support that case
1082         i = (int)ent->fields.server->modelindex;
1083         modelindex = (i >= 1 && i < MAX_MODELS && ent->fields.server->model && *PRVM_GetString(ent->fields.server->model) && sv.models[i]) ? i : 0;
1084
1085         flags = 0;
1086         i = (int)(PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_size)->_float * 0.25f);
1087         glowsize = (unsigned char)bound(0, i, 255);
1088         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_trail)->_float)
1089                 flags |= RENDER_GLOWTRAIL;
1090         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict)
1091                 flags |= RENDER_VIEWMODEL;
1092
1093         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[0]*256;
1094         light[0] = (unsigned short)bound(0, f, 65535);
1095         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[1]*256;
1096         light[1] = (unsigned short)bound(0, f, 65535);
1097         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[2]*256;
1098         light[2] = (unsigned short)bound(0, f, 65535);
1099         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.light_lev)->_float;
1100         light[3] = (unsigned short)bound(0, f, 65535);
1101         lightstyle = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.style)->_float;
1102         lightpflags = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.pflags)->_float;
1103
1104         if (gamemode == GAME_TENEBRAE)
1105         {
1106                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1107                 if (effects & 16)
1108                 {
1109                         effects &= ~16;
1110                         lightpflags |= PFLAGS_FULLDYNAMIC;
1111                 }
1112                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1113                 if (effects & 32)
1114                 {
1115                         effects &= ~32;
1116                         light[0] = (int)(0.2*256);
1117                         light[1] = (int)(1.0*256);
1118                         light[2] = (int)(0.2*256);
1119                         light[3] = 200;
1120                         lightpflags |= PFLAGS_FULLDYNAMIC;
1121                 }
1122         }
1123
1124         specialvisibilityradius = 0;
1125         if (lightpflags & PFLAGS_FULLDYNAMIC)
1126                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1127         if (glowsize)
1128                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1129         if (flags & RENDER_GLOWTRAIL)
1130                 specialvisibilityradius = max(specialvisibilityradius, 100);
1131         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1132         {
1133                 if (effects & EF_BRIGHTFIELD)
1134                         specialvisibilityradius = max(specialvisibilityradius, 80);
1135                 if (effects & EF_MUZZLEFLASH)
1136                         specialvisibilityradius = max(specialvisibilityradius, 100);
1137                 if (effects & EF_BRIGHTLIGHT)
1138                         specialvisibilityradius = max(specialvisibilityradius, 400);
1139                 if (effects & EF_DIMLIGHT)
1140                         specialvisibilityradius = max(specialvisibilityradius, 200);
1141                 if (effects & EF_RED)
1142                         specialvisibilityradius = max(specialvisibilityradius, 200);
1143                 if (effects & EF_BLUE)
1144                         specialvisibilityradius = max(specialvisibilityradius, 200);
1145                 if (effects & EF_FLAME)
1146                         specialvisibilityradius = max(specialvisibilityradius, 250);
1147                 if (effects & EF_STARDUST)
1148                         specialvisibilityradius = max(specialvisibilityradius, 100);
1149         }
1150
1151         // early culling checks
1152         // (final culling is done by SV_MarkWriteEntityStateToClient)
1153         customizeentityforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.customizeentityforclient)->function;
1154         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1155                 return false;
1156
1157         *cs = defaultstate;
1158         cs->active = ACTIVE_NETWORK;
1159         cs->number = enumber;
1160         VectorCopy(ent->fields.server->origin, cs->origin);
1161         VectorCopy(ent->fields.server->angles, cs->angles);
1162         cs->flags = flags;
1163         cs->effects = effects;
1164         cs->colormap = (unsigned)ent->fields.server->colormap;
1165         cs->modelindex = modelindex;
1166         cs->skin = (unsigned)ent->fields.server->skin;
1167         cs->frame = (unsigned)ent->fields.server->frame;
1168         cs->viewmodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict;
1169         cs->exteriormodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.exteriormodeltoclient)->edict;
1170         cs->nodrawtoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.nodrawtoclient)->edict;
1171         cs->drawonlytoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.drawonlytoclient)->edict;
1172         cs->customizeentityforclient = customizeentityforclient;
1173         cs->tagentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_entity)->edict;
1174         cs->tagindex = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_index)->_float;
1175         cs->glowsize = glowsize;
1176
1177         // don't need to init cs->colormod because the defaultstate did that for us
1178         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1179         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.colormod);
1180         if (val->vector[0] || val->vector[1] || val->vector[2])
1181         {
1182                 i = (int)(val->vector[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1183                 i = (int)(val->vector[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1184                 i = (int)(val->vector[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1185         }
1186
1187         // don't need to init cs->glowmod because the defaultstate did that for us
1188         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1189         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glowmod);
1190         if (val->vector[0] || val->vector[1] || val->vector[2])
1191         {
1192                 i = (int)(val->vector[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1193                 i = (int)(val->vector[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1194                 i = (int)(val->vector[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1195         }
1196
1197         cs->modelindex = modelindex;
1198
1199         cs->alpha = 255;
1200         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.alpha)->_float * 255.0f);
1201         if (f)
1202         {
1203                 i = (int)f;
1204                 cs->alpha = (unsigned char)bound(0, i, 255);
1205         }
1206         // halflife
1207         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.renderamt)->_float);
1208         if (f)
1209         {
1210                 i = (int)f;
1211                 cs->alpha = (unsigned char)bound(0, i, 255);
1212         }
1213
1214         cs->scale = 16;
1215         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.scale)->_float * 16.0f);
1216         if (f)
1217         {
1218                 i = (int)f;
1219                 cs->scale = (unsigned char)bound(0, i, 255);
1220         }
1221
1222         cs->glowcolor = 254;
1223         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_color)->_float);
1224         if (f)
1225                 cs->glowcolor = (int)f;
1226
1227         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.fullbright)->_float)
1228                 cs->effects |= EF_FULLBRIGHT;
1229
1230         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.modelflags);
1231         if (val && val->_float)
1232                 cs->effects |= ((unsigned int)val->_float & 0xff) << 24;
1233
1234         if (ent->fields.server->movetype == MOVETYPE_STEP)
1235                 cs->flags |= RENDER_STEP;
1236         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)
1237                 cs->flags |= RENDER_LOWPRECISION;
1238         if (ent->fields.server->colormap >= 1024)
1239                 cs->flags |= RENDER_COLORMAPPED;
1240         if (cs->viewmodelforclient)
1241                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1242
1243         cs->light[0] = light[0];
1244         cs->light[1] = light[1];
1245         cs->light[2] = light[2];
1246         cs->light[3] = light[3];
1247         cs->lightstyle = lightstyle;
1248         cs->lightpflags = lightpflags;
1249
1250         cs->specialvisibilityradius = specialvisibilityradius;
1251
1252         // calculate the visible box of this entity (don't use the physics box
1253         // as that is often smaller than a model, and would not count
1254         // specialvisibilityradius)
1255         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1256         {
1257                 float scale = cs->scale * (1.0f / 16.0f);
1258                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1259                 {
1260                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1261                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1262                 }
1263                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1264                 {
1265                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1266                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1267                 }
1268                 else
1269                 {
1270                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1271                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1272                 }
1273         }
1274         else
1275         {
1276                 // if there is no model (or it could not be loaded), use the physics box
1277                 VectorAdd(cs->origin, ent->fields.server->mins, cullmins);
1278                 VectorAdd(cs->origin, ent->fields.server->maxs, cullmaxs);
1279         }
1280         if (specialvisibilityradius)
1281         {
1282                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1283                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1284                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1285                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1286                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1287                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1288         }
1289
1290         // calculate center of bbox for network prioritization purposes
1291         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1292
1293         // if culling box has moved, update pvs cluster links
1294         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1295         {
1296                 VectorCopy(cullmins, ent->priv.server->cullmins);
1297                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1298                 // a value of -1 for pvs_numclusters indicates that the links are not
1299                 // cached, and should be re-tested each time, this is the case if the
1300                 // culling box touches too many pvs clusters to store, or if the world
1301                 // model does not support FindBoxClusters
1302                 ent->priv.server->pvs_numclusters = -1;
1303                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1304                 {
1305                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1306                         if (i <= MAX_ENTITYCLUSTERS)
1307                                 ent->priv.server->pvs_numclusters = i;
1308                 }
1309         }
1310
1311         // we need to do some csqc entity upkeep here
1312         // get self.SendFlags and clear them
1313         // (to let the QC know that they've been read)
1314         if (sendentity)
1315         {
1316                 val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendFlags);
1317                 sendflags = (unsigned int)val->_float;
1318                 val->_float = 0;
1319                 // legacy self.Version system
1320                 val2 = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.Version);
1321                 if (val2->_float)
1322                 {
1323                         version = (unsigned int)val2->_float;
1324                         if (sv.csqcentityversion[enumber] != version)
1325                                 sendflags = 0xFFFFFF;
1326                         sv.csqcentityversion[enumber] = version;
1327                 }
1328                 // move sendflags into the per-client sendflags
1329                 if (sendflags)
1330                         for (i = 0;i < svs.maxclients;i++)
1331                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1332                 // mark it as inactive for non-csqc networking
1333                 cs->active = ACTIVE_SHARED;
1334         }
1335
1336         return true;
1337 }
1338
1339 void SV_PrepareEntitiesForSending(void)
1340 {
1341         int e;
1342         prvm_edict_t *ent;
1343         // send all entities that touch the pvs
1344         sv.numsendentities = 0;
1345         sv.sendentitiesindex[0] = NULL;
1346         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1347         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1348         {
1349                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1350                 {
1351                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1352                         sv.numsendentities++;
1353                 }
1354         }
1355 }
1356
1357 #define MAX_LINEOFSIGHTTRACES 64
1358
1359 qboolean SV_CanSeeBox(int numtraces, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1360 {
1361         float pitchsign;
1362         float alpha;
1363         float starttransformed[3], endtransformed[3];
1364         int blocked = 0;
1365         int traceindex;
1366         int originalnumtouchedicts;
1367         int numtouchedicts = 0;
1368         int touchindex;
1369         matrix4x4_t matrix, imatrix;
1370         dp_model_t *model;
1371         prvm_edict_t *touch;
1372         static prvm_edict_t *touchedicts[MAX_EDICTS];
1373         vec3_t boxmins, boxmaxs;
1374         vec3_t clipboxmins, clipboxmaxs;
1375         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1376
1377         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1378
1379         // expand the box a little
1380         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
1381         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
1382         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
1383         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
1384         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
1385         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
1386
1387         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1388         for (traceindex = 1;traceindex < numtraces;traceindex++)
1389                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1390
1391         // calculate sweep box for the entire swarm of traces
1392         VectorCopy(eye, clipboxmins);
1393         VectorCopy(eye, clipboxmaxs);
1394         for (traceindex = 0;traceindex < numtraces;traceindex++)
1395         {
1396                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1397                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1398                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1399                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1400                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1401                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1402         }
1403
1404         // get the list of entities in the sweep box
1405         if (sv_cullentities_trace_entityocclusion.integer)
1406                 numtouchedicts = World_EntitiesInBox(&sv.world, clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1407         if (numtouchedicts > MAX_EDICTS)
1408         {
1409                 // this never happens
1410                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1411                 numtouchedicts = MAX_EDICTS;
1412         }
1413         // iterate the entities found in the sweep box and filter them
1414         originalnumtouchedicts = numtouchedicts;
1415         numtouchedicts = 0;
1416         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1417         {
1418                 touch = touchedicts[touchindex];
1419                 if (touch->fields.server->solid != SOLID_BSP)
1420                         continue;
1421                 model = SV_GetModelFromEdict(touch);
1422                 if (!model || !model->brush.TraceLineOfSight)
1423                         continue;
1424                 // skip obviously transparent entities
1425                 alpha = PRVM_EDICTFIELDVALUE(touch, prog->fieldoffsets.alpha)->_float;
1426                 if (alpha && alpha < 1)
1427                         continue;
1428                 if ((int)touch->fields.server->effects & EF_ADDITIVE)
1429                         continue;
1430                 touchedicts[numtouchedicts++] = touch;
1431         }
1432
1433         // now that we have a filtered list of "interesting" entities, fire each
1434         // ray against all of them, this gives us an early-out case when something
1435         // is visible (which it often is)
1436
1437         for (traceindex = 0;traceindex < numtraces;traceindex++)
1438         {
1439                 // check world occlusion
1440                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1441                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, eye, endpoints[traceindex]))
1442                                 continue;
1443                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1444                 {
1445                         touch = touchedicts[touchindex];
1446                         model = SV_GetModelFromEdict(touch);
1447                         if(model && model->brush.TraceLineOfSight)
1448                         {
1449                                 // get the entity matrix
1450                                 pitchsign = SV_GetPitchSign(touch);
1451                                 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);
1452                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1453                                 // see if the ray hits this entity
1454                                 Matrix4x4_Transform(&imatrix, eye, starttransformed);
1455                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1456                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed))
1457                                 {
1458                                         blocked++;
1459                                         break;
1460                                 }
1461                         }
1462                 }
1463                 // check if the ray was blocked
1464                 if (touchindex < numtouchedicts)
1465                         continue;
1466                 // return if the ray was not blocked
1467                 return true;
1468         }
1469
1470         // no rays survived
1471         return false;
1472 }
1473
1474 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1475 {
1476         int isbmodel;
1477         dp_model_t *model;
1478         prvm_edict_t *ed;
1479         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1480                 return;
1481         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1482         sv.writeentitiestoclient_stats_totalentities++;
1483
1484         if (s->customizeentityforclient)
1485         {
1486                 prog->globals.server->self = s->number;
1487                 prog->globals.server->other = sv.writeentitiestoclient_cliententitynumber;
1488                 PRVM_ExecuteProgram(s->customizeentityforclient, "customizeentityforclient: NULL function");
1489                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1490                         return;
1491         }
1492
1493         // never reject player
1494         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1495         {
1496                 // check various rejection conditions
1497                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1498                         return;
1499                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1500                         return;
1501                 if (s->effects & EF_NODRAW)
1502                         return;
1503                 // LordHavoc: only send entities with a model or important effects
1504                 if (!s->modelindex && s->specialvisibilityradius == 0)
1505                         return;
1506
1507                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1508                 // viewmodels don't have visibility checking
1509                 if (s->viewmodelforclient)
1510                 {
1511                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1512                                 return;
1513                 }
1514                 else if (s->tagentity)
1515                 {
1516                         // tag attached entities simply check their parent
1517                         if (!sv.sendentitiesindex[s->tagentity])
1518                                 return;
1519                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1520                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1521                                 return;
1522                 }
1523                 // always send world submodels in newer protocols because they don't
1524                 // generate much traffic (in old protocols they hog bandwidth)
1525                 // but only if sv_cullentities_nevercullbmodels is off
1526                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1527                 {
1528                         // entity has survived every check so far, check if visible
1529                         ed = PRVM_EDICT_NUM(s->number);
1530
1531                         // if not touching a visible leaf
1532                         if (sv_cullentities_pvs.integer && !r_novis.integer && sv.writeentitiestoclient_pvsbytes)
1533                         {
1534                                 if (ed->priv.server->pvs_numclusters < 0)
1535                                 {
1536                                         // entity too big for clusters list
1537                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1538                                         {
1539                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1540                                                 return;
1541                                         }
1542                                 }
1543                                 else
1544                                 {
1545                                         int i;
1546                                         // check cached clusters list
1547                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1548                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1549                                                         break;
1550                                         if (i == ed->priv.server->pvs_numclusters)
1551                                         {
1552                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1553                                                 return;
1554                                         }
1555                                 }
1556                         }
1557
1558                         // or not seen by random tracelines
1559                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel->brush.TraceLineOfSight)
1560                         {
1561                                 int samples =
1562                                         s->number <= svs.maxclients
1563                                                 ? sv_cullentities_trace_samples_players.integer
1564                                                 :
1565                                         s->specialvisibilityradius
1566                                                 ? sv_cullentities_trace_samples_extra.integer
1567                                                 : sv_cullentities_trace_samples.integer;
1568                                 float enlarge = sv_cullentities_trace_enlarge.value;
1569
1570                                 if(samples > 0)
1571                                 {
1572                                         int eyeindex;
1573                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1574                                                 if(SV_CanSeeBox(samples, enlarge, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1575                                                         break;
1576                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1577                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1578                                                         realtime + (
1579                                                                 s->number <= svs.maxclients
1580                                                                         ? sv_cullentities_trace_delay_players.value
1581                                                                         : sv_cullentities_trace_delay.value
1582                                                         );
1583                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1584                                         {
1585                                                 sv.writeentitiestoclient_stats_culled_trace++;
1586                                                 return;
1587                                         }
1588                                 }
1589                         }
1590                 }
1591         }
1592
1593         // this just marks it for sending
1594         // FIXME: it would be more efficient to send here, but the entity
1595         // compressor isn't that flexible
1596         sv.writeentitiestoclient_stats_visibleentities++;
1597         sv.sententities[s->number] = sv.sententitiesmark;
1598 }
1599
1600 #if MAX_LEVELNETWORKEYES > 0
1601 #define MAX_EYE_RECURSION 1 // increase if recursion gets supported by portals
1602 void SV_AddCameraEyes(void)
1603 {
1604         int e, i, j, k;
1605         prvm_edict_t *ed;
1606         int cameras[MAX_LEVELNETWORKEYES];
1607         vec3_t camera_origins[MAX_LEVELNETWORKEYES];
1608         int eye_levels[MAX_CLIENTNETWORKEYES];
1609         int n_cameras = 0;
1610         vec3_t mi, ma;
1611         prvm_eval_t *valendpos, *val;
1612
1613         if(!prog->fieldoffsets.camera_transform)
1614                 return;
1615         valendpos = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_endpos);
1616         if(!valendpos)
1617                 return;
1618
1619         for(i = 0; i < sv.writeentitiestoclient_numeyes; ++i)
1620                 eye_levels[i] = 0;
1621
1622         // check line of sight to portal entities and add them to PVS
1623         for (e = 1, ed = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ed = PRVM_NEXT_EDICT(ed))
1624         {
1625                 if (!ed->priv.server->free)
1626                 {
1627                         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.camera_transform)) && val->function)
1628                         {
1629                                 prog->globals.server->self = e;
1630                                 prog->globals.server->other = sv.writeentitiestoclient_cliententitynumber;
1631                                 VectorCopy(sv.writeentitiestoclient_eyes[0], valendpos->vector);
1632                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_G_VECTOR(OFS_PARM0));
1633                                 VectorClear(PRVM_G_VECTOR(OFS_PARM1));
1634                                 PRVM_ExecuteProgram(val->function, "QC function e.camera_transform is missing");
1635                                 if(!VectorCompare(valendpos->vector, sv.writeentitiestoclient_eyes[0]))
1636                                         VectorCopy(valendpos->vector, camera_origins[n_cameras]);
1637                                 cameras[n_cameras] = e;
1638                                 ++n_cameras;
1639                                 if(n_cameras >= MAX_LEVELNETWORKEYES)
1640                                         break;
1641                         }
1642                 }
1643         }
1644
1645         if(!n_cameras)
1646                 return;
1647
1648         // i is loop counter, is reset to 0 when an eye got added
1649         // j is camera index to check
1650         for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras)
1651         {
1652                 if(!cameras[j])
1653                         continue;
1654                 ed = PRVM_EDICT_NUM(cameras[j]);
1655                 VectorAdd(ed->fields.server->origin, ed->fields.server->mins, mi);
1656                 VectorAdd(ed->fields.server->origin, ed->fields.server->maxs, ma);
1657                 for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k)
1658                 if(eye_levels[k] <= MAX_EYE_RECURSION)
1659                 {
1660                         if(SV_CanSeeBox(sv_cullentities_trace_samples.integer, sv_cullentities_trace_enlarge.value, sv.writeentitiestoclient_eyes[k], mi, ma))
1661                         {
1662                                 eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1;
1663                                 VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1664                                 // 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);
1665                                 sv.writeentitiestoclient_numeyes++;
1666                                 cameras[j] = 0;
1667                                 i = 0;
1668                                 break;
1669                         }
1670                 }
1671         }
1672 }
1673 #else
1674 void SV_AddCameraEyes(void)
1675 {
1676 }
1677 #endif
1678
1679 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1680 {
1681         qboolean need_empty = false;
1682         int i, numsendstates, numcsqcsendstates;
1683         entity_state_t *s;
1684         prvm_edict_t *camera;
1685         qboolean success;
1686         vec3_t eye;
1687
1688         // if there isn't enough space to accomplish anything, skip it
1689         if (msg->cursize + 25 > maxsize)
1690                 return;
1691
1692         sv.writeentitiestoclient_msg = msg;
1693         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1694
1695         sv.writeentitiestoclient_stats_culled_pvs = 0;
1696         sv.writeentitiestoclient_stats_culled_trace = 0;
1697         sv.writeentitiestoclient_stats_visibleentities = 0;
1698         sv.writeentitiestoclient_stats_totalentities = 0;
1699         sv.writeentitiestoclient_numeyes = 0;
1700
1701         // get eye location
1702         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1703         camera = PRVM_EDICT_NUM( client->clientcamera );
1704         VectorAdd(camera->fields.server->origin, clent->fields.server->view_ofs, eye);
1705         sv.writeentitiestoclient_pvsbytes = 0;
1706         // get the PVS values for the eye location, later FatPVS calls will merge
1707         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1708                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1709
1710         // add the eye to a list for SV_CanSeeBox tests
1711         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1712         sv.writeentitiestoclient_numeyes++;
1713
1714         // calculate predicted eye origin for SV_CanSeeBox tests
1715         if (sv_cullentities_trace_prediction.integer)
1716         {
1717                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1718                 vec3_t predeye;
1719                 VectorMA(eye, predtime, camera->fields.server->velocity, predeye);
1720                 if (SV_CanSeeBox(1, 0, eye, predeye, predeye))
1721                 {
1722                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1723                         sv.writeentitiestoclient_numeyes++;
1724                 }
1725                 //if (!sv.writeentitiestoclient_useprediction)
1726                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1727         }
1728
1729         SV_AddCameraEyes();
1730
1731         // build PVS from the new eyes
1732         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1733                 for(i = 1; i < sv.writeentitiestoclient_numeyes; ++i)
1734                         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);
1735
1736         sv.sententitiesmark++;
1737
1738         for (i = 0;i < sv.numsendentities;i++)
1739                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1740
1741         numsendstates = 0;
1742         numcsqcsendstates = 0;
1743         for (i = 0;i < sv.numsendentities;i++)
1744         {
1745                 s = &sv.sendentities[i];
1746                 if (sv.sententities[s->number] == sv.sententitiesmark)
1747                 {
1748                         if(s->active == ACTIVE_NETWORK)
1749                         {
1750                                 if (s->exteriormodelforclient)
1751                                 {
1752                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1753                                                 s->flags |= RENDER_EXTERIORMODEL;
1754                                         else
1755                                                 s->flags &= ~RENDER_EXTERIORMODEL;
1756                                 }
1757                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
1758                         }
1759                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1760                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
1761                         else
1762                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
1763                 }
1764         }
1765
1766         if (sv_cullentities_stats.integer)
1767                 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);
1768
1769         if(client->entitydatabase5)
1770                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1771         else
1772                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1773
1774         if(client->num_skippedentityframes >= 10)
1775                 need_empty = true; // force every 10th frame to be not empty (or cl_movement replay takes too long)
1776
1777         if (client->entitydatabase5)
1778                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1779         else if (client->entitydatabase4)
1780         {
1781                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1782                 Protocol_WriteStatsReliable();
1783         }
1784         else if (client->entitydatabase)
1785         {
1786                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1787                 Protocol_WriteStatsReliable();
1788         }
1789         else
1790         {
1791                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1792                 Protocol_WriteStatsReliable();
1793         }
1794
1795         if(success)
1796                 client->num_skippedentityframes = 0;
1797         else
1798                 ++client->num_skippedentityframes;
1799 }
1800
1801 /*
1802 =============
1803 SV_CleanupEnts
1804
1805 =============
1806 */
1807 static void SV_CleanupEnts (void)
1808 {
1809         int             e;
1810         prvm_edict_t    *ent;
1811
1812         ent = PRVM_NEXT_EDICT(prog->edicts);
1813         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1814                 ent->fields.server->effects = (int)ent->fields.server->effects & ~EF_MUZZLEFLASH;
1815 }
1816
1817 /*
1818 ==================
1819 SV_WriteClientdataToMessage
1820
1821 ==================
1822 */
1823 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1824 {
1825         int             bits;
1826         int             i;
1827         prvm_edict_t    *other;
1828         int             items;
1829         prvm_eval_t     *val;
1830         vec3_t  punchvector;
1831         int             viewzoom;
1832         const char *s;
1833         float   *statsf = (float *)stats;
1834
1835 //
1836 // send a damage message
1837 //
1838         if (ent->fields.server->dmg_take || ent->fields.server->dmg_save)
1839         {
1840                 other = PRVM_PROG_TO_EDICT(ent->fields.server->dmg_inflictor);
1841                 MSG_WriteByte (msg, svc_damage);
1842                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_save);
1843                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_take);
1844                 for (i=0 ; i<3 ; i++)
1845                         MSG_WriteCoord (msg, other->fields.server->origin[i] + 0.5*(other->fields.server->mins[i] + other->fields.server->maxs[i]), sv.protocol);
1846
1847                 ent->fields.server->dmg_take = 0;
1848                 ent->fields.server->dmg_save = 0;
1849         }
1850
1851 //
1852 // send the current viewpos offset from the view entity
1853 //
1854         SV_SetIdealPitch ();            // how much to look up / down ideally
1855
1856 // a fixangle might get lost in a dropped packet.  Oh well.
1857         if(ent->fields.server->fixangle)
1858         {
1859                 // angle fixing was requested by global thinking code...
1860                 // so store the current angles for later use
1861                 memcpy(host_client->fixangle_angles, ent->fields.server->angles, sizeof(host_client->fixangle_angles));
1862                 host_client->fixangle_angles_set = TRUE;
1863
1864                 // and clear fixangle for the next frame
1865                 ent->fields.server->fixangle = 0;
1866         }
1867
1868         if (host_client->fixangle_angles_set)
1869         {
1870                 MSG_WriteByte (msg, svc_setangle);
1871                 for (i=0 ; i < 3 ; i++)
1872                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
1873                 host_client->fixangle_angles_set = FALSE;
1874         }
1875
1876         // stuff the sigil bits into the high bits of items for sbar, or else
1877         // mix in items2
1878         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.items2);
1879         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1880                 items = (int)ent->fields.server->items | ((int)val->_float << 23);
1881         else
1882                 items = (int)ent->fields.server->items | ((int)prog->globals.server->serverflags << 28);
1883
1884         VectorClear(punchvector);
1885         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.punchvector)))
1886                 VectorCopy(val->vector, punchvector);
1887
1888         // cache weapon model name and index in client struct to save time
1889         // (this search can be almost 1% of cpu time!)
1890         s = PRVM_GetString(ent->fields.server->weaponmodel);
1891         if (strcmp(s, client->weaponmodel))
1892         {
1893                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
1894                 client->weaponmodelindex = SV_ModelIndex(s, 1);
1895         }
1896
1897         viewzoom = 255;
1898         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewzoom)))
1899                 viewzoom = (int)(val->_float * 255.0f);
1900         if (viewzoom == 0)
1901                 viewzoom = 255;
1902
1903         bits = 0;
1904
1905         if ((int)ent->fields.server->flags & FL_ONGROUND)
1906                 bits |= SU_ONGROUND;
1907         if (ent->fields.server->waterlevel >= 2)
1908                 bits |= SU_INWATER;
1909         if (ent->fields.server->idealpitch)
1910                 bits |= SU_IDEALPITCH;
1911
1912         for (i=0 ; i<3 ; i++)
1913         {
1914                 if (ent->fields.server->punchangle[i])
1915                         bits |= (SU_PUNCH1<<i);
1916                 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)
1917                         if (punchvector[i])
1918                                 bits |= (SU_PUNCHVEC1<<i);
1919                 if (ent->fields.server->velocity[i])
1920                         bits |= (SU_VELOCITY1<<i);
1921         }
1922
1923         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
1924         stats[STAT_VIEWHEIGHT] = (int)ent->fields.server->view_ofs[2];
1925         stats[STAT_ITEMS] = items;
1926         stats[STAT_WEAPONFRAME] = (int)ent->fields.server->weaponframe;
1927         stats[STAT_ARMOR] = (int)ent->fields.server->armorvalue;
1928         stats[STAT_WEAPON] = client->weaponmodelindex;
1929         stats[STAT_HEALTH] = (int)ent->fields.server->health;
1930         stats[STAT_AMMO] = (int)ent->fields.server->currentammo;
1931         stats[STAT_SHELLS] = (int)ent->fields.server->ammo_shells;
1932         stats[STAT_NAILS] = (int)ent->fields.server->ammo_nails;
1933         stats[STAT_ROCKETS] = (int)ent->fields.server->ammo_rockets;
1934         stats[STAT_CELLS] = (int)ent->fields.server->ammo_cells;
1935         stats[STAT_ACTIVEWEAPON] = (int)ent->fields.server->weapon;
1936         stats[STAT_VIEWZOOM] = viewzoom;
1937         stats[STAT_TOTALSECRETS] = (int)prog->globals.server->total_secrets;
1938         stats[STAT_TOTALMONSTERS] = (int)prog->globals.server->total_monsters;
1939         // the QC bumps these itself by sending svc_'s, so we have to keep them
1940         // zero or they'll be corrected by the engine
1941         //stats[STAT_SECRETS] = prog->globals.server->found_secrets;
1942         //stats[STAT_MONSTERS] = prog->globals.server->killed_monsters;
1943
1944         // movement settings for prediction
1945         // note: these are not sent in protocols with lower MAX_CL_STATS limits
1946         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
1947                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
1948                 | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0)
1949                 | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0)
1950         ;
1951         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
1952         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
1953         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
1954         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
1955         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
1956         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
1957         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
1958         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
1959         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
1960         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.gravity);
1961         statsf[STAT_MOVEVARS_ENTGRAVITY] = (val && val->_float != 0) ? val->_float : 1.0f;
1962         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
1963         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
1964         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
1965         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
1966         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
1967         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
1968         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
1969         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
1970         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
1971         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
1972         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
1973         statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value;
1974         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
1975         statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value;
1976         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
1977         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
1978         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
1979         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
1980         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
1981         statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW] = sv_airspeedlimit_nonqw.value;
1982         statsf[STAT_FRAGLIMIT] = fraglimit.value;
1983         statsf[STAT_TIMELIMIT] = timelimit.value;
1984
1985         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)
1986         {
1987                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
1988                 bits |= SU_ITEMS;
1989                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
1990                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
1991                 bits |= SU_WEAPON;
1992                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
1993                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
1994                         if (viewzoom != 255)
1995                                 bits |= SU_VIEWZOOM;
1996         }
1997
1998         if (bits >= 65536)
1999                 bits |= SU_EXTEND1;
2000         if (bits >= 16777216)
2001                 bits |= SU_EXTEND2;
2002
2003         // send the data
2004         MSG_WriteByte (msg, svc_clientdata);
2005         MSG_WriteShort (msg, bits);
2006         if (bits & SU_EXTEND1)
2007                 MSG_WriteByte(msg, bits >> 16);
2008         if (bits & SU_EXTEND2)
2009                 MSG_WriteByte(msg, bits >> 24);
2010
2011         if (bits & SU_VIEWHEIGHT)
2012                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
2013
2014         if (bits & SU_IDEALPITCH)
2015                 MSG_WriteChar (msg, (int)ent->fields.server->idealpitch);
2016
2017         for (i=0 ; i<3 ; i++)
2018         {
2019                 if (bits & (SU_PUNCH1<<i))
2020                 {
2021                         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)
2022                                 MSG_WriteChar(msg, (int)ent->fields.server->punchangle[i]);
2023                         else
2024                                 MSG_WriteAngle16i(msg, ent->fields.server->punchangle[i]);
2025                 }
2026                 if (bits & (SU_PUNCHVEC1<<i))
2027                 {
2028                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2029                                 MSG_WriteCoord16i(msg, punchvector[i]);
2030                         else
2031                                 MSG_WriteCoord32f(msg, punchvector[i]);
2032                 }
2033                 if (bits & (SU_VELOCITY1<<i))
2034                 {
2035                         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)
2036                                 MSG_WriteChar(msg, (int)(ent->fields.server->velocity[i] * (1.0f / 16.0f)));
2037                         else
2038                                 MSG_WriteCoord32f(msg, ent->fields.server->velocity[i]);
2039                 }
2040         }
2041
2042         if (bits & SU_ITEMS)
2043                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
2044
2045         if (sv.protocol == PROTOCOL_DARKPLACES5)
2046         {
2047                 if (bits & SU_WEAPONFRAME)
2048                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
2049                 if (bits & SU_ARMOR)
2050                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
2051                 if (bits & SU_WEAPON)
2052                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
2053                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2054                 MSG_WriteShort (msg, stats[STAT_AMMO]);
2055                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
2056                 MSG_WriteShort (msg, stats[STAT_NAILS]);
2057                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
2058                 MSG_WriteShort (msg, stats[STAT_CELLS]);
2059                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
2060                 if (bits & SU_VIEWZOOM)
2061                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2062         }
2063         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)
2064         {
2065                 if (bits & SU_WEAPONFRAME)
2066                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
2067                 if (bits & SU_ARMOR)
2068                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
2069                 if (bits & SU_WEAPON)
2070                 {
2071                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2072                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
2073                         else
2074                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
2075                 }
2076                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2077                 MSG_WriteByte (msg, stats[STAT_AMMO]);
2078                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
2079                 MSG_WriteByte (msg, stats[STAT_NAILS]);
2080                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
2081                 MSG_WriteByte (msg, stats[STAT_CELLS]);
2082                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
2083                 {
2084                         for (i = 0;i < 32;i++)
2085                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
2086                                         break;
2087                         MSG_WriteByte (msg, i);
2088                 }
2089                 else
2090                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
2091                 if (bits & SU_VIEWZOOM)
2092                 {
2093                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2094                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
2095                         else
2096                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2097                 }
2098         }
2099 }
2100
2101 void SV_FlushBroadcastMessages(void)
2102 {
2103         int i;
2104         client_t *client;
2105         if (sv.datagram.cursize <= 0)
2106                 return;
2107         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2108         {
2109                 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])))
2110                         continue;
2111                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2112                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2113         }
2114         SZ_Clear(&sv.datagram);
2115 }
2116
2117 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2118 {
2119         // scan the splitpoints to find out how many we can fit in
2120         int numsegments, j, split;
2121         if (!client->unreliablemsg_splitpoints)
2122                 return;
2123         // always accept the first one if it's within 1024 bytes, this ensures
2124         // that very big datagrams which are over the rate limit still get
2125         // through, just to keep it working
2126         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2127                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2128                         break;
2129         // the first segment gets an exemption from the rate limiting, otherwise
2130         // it could get dropped consistently due to a low rate limit
2131         if (numsegments == 1)
2132                 maxsize = maxsize2;
2133         // some will fit, so add the ones that will fit
2134         split = client->unreliablemsg_splitpoint[numsegments-1];
2135         // note this discards ones that were accepted by the segments scan but
2136         // can not fit, such as a really huge first one that will never ever
2137         // fit in a packet...
2138         if (msg->cursize + split <= maxsize)
2139                 SZ_Write(msg, client->unreliablemsg.data, split);
2140         // remove the part we sent, keeping any remaining data
2141         client->unreliablemsg.cursize -= split;
2142         if (client->unreliablemsg.cursize > 0)
2143                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2144         // adjust remaining splitpoints
2145         client->unreliablemsg_splitpoints -= numsegments;
2146         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2147                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2148 }
2149
2150 /*
2151 =======================
2152 SV_SendClientDatagram
2153 =======================
2154 */
2155 static void SV_SendClientDatagram (client_t *client)
2156 {
2157         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2158         sizebuf_t msg;
2159         int stats[MAX_CL_STATS];
2160         static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2161
2162         // obey rate limit by limiting packet frequency if the packet size
2163         // limiting fails
2164         // (usually this is caused by reliable messages)
2165         if (!NetConn_CanSend(client->netconnection))
2166                 return;
2167
2168         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2169         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2170         if (sv_maxrate.integer != maxrate)
2171                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2172
2173         // clientrate determines the 'cleartime' of a packet
2174         // (how long to wait before sending another, based on this packet's size)
2175         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2176
2177         switch (sv.protocol)
2178         {
2179         case PROTOCOL_QUAKE:
2180         case PROTOCOL_QUAKEDP:
2181         case PROTOCOL_NEHAHRAMOVIE:
2182         case PROTOCOL_NEHAHRABJP:
2183         case PROTOCOL_NEHAHRABJP2:
2184         case PROTOCOL_NEHAHRABJP3:
2185         case PROTOCOL_QUAKEWORLD:
2186                 // no packet size limit support on Quake protocols because it just
2187                 // causes missing entities/effects
2188                 // packets are simply sent less often to obey the rate limit
2189                 maxsize = 1024;
2190                 maxsize2 = 1024;
2191                 break;
2192         case PROTOCOL_DARKPLACES1:
2193         case PROTOCOL_DARKPLACES2:
2194         case PROTOCOL_DARKPLACES3:
2195         case PROTOCOL_DARKPLACES4:
2196                 // no packet size limit support on DP1-4 protocols because they kick
2197                 // the client off if they overflow, and miss effects
2198                 // packets are simply sent less often to obey the rate limit
2199                 maxsize = sizeof(sv_sendclientdatagram_buf);
2200                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2201                 break;
2202         default:
2203                 // DP5 and later protocols support packet size limiting which is a
2204                 // better method than limiting packet frequency as QW does
2205                 //
2206                 // at very low rates (or very small sys_ticrate) the packet size is
2207                 // not reduced below 128, but packets may be sent less often
2208                 maxsize = (int)(clientrate * sys_ticrate.value);
2209                 maxsize = bound(128, maxsize, 1400);
2210                 maxsize2 = 1400;
2211                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2212                 // mods that use csqc (they are likely to use less bandwidth anyway)
2213                 if (sv.csqc_progsize > 0)
2214                         maxsize = maxsize2;
2215                 break;
2216         }
2217
2218         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2219         {
2220                 // for good singleplayer, send huge packets
2221                 maxsize = sizeof(sv_sendclientdatagram_buf);
2222                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2223                 // never limit frequency in singleplayer
2224                 clientrate = 1000000000;
2225         }
2226
2227         // while downloading, limit entity updates to half the packet
2228         // (any leftover space will be used for downloading)
2229         if (host_client->download_file)
2230                 maxsize /= 2;
2231
2232         msg.data = sv_sendclientdatagram_buf;
2233         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2234         msg.cursize = 0;
2235         msg.allowoverflow = false;
2236
2237         if (host_client->spawned)
2238         {
2239                 // the player is in the game
2240                 MSG_WriteByte (&msg, svc_time);
2241                 MSG_WriteFloat (&msg, sv.time);
2242
2243                 // add the client specific data to the datagram
2244                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2245                 // now update the stats[] array using any registered custom fields
2246                 VM_SV_UpdateCustomStats (client, client->edict, &msg, stats);
2247                 // set host_client->statsdeltabits
2248                 Protocol_UpdateClientStats (stats);
2249
2250                 // add as many queued unreliable messages (effects) as we can fit
2251                 // limit effects to half of the remaining space
2252                 if (client->unreliablemsg.cursize)
2253                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2254
2255                 // now write as many entities as we can fit, and also sends stats
2256                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2257         }
2258         else if (realtime > client->keepalivetime)
2259         {
2260                 // the player isn't totally in the game yet
2261                 // send small keepalive messages if too much time has passed
2262                 // (may also be sending downloads)
2263                 client->keepalivetime = realtime + 5;
2264                 MSG_WriteChar (&msg, svc_nop);
2265         }
2266
2267         // if a download is active, see if there is room to fit some download data
2268         // in this packet
2269         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2270         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2271         {
2272                 fs_offset_t downloadstart;
2273                 unsigned char data[1400];
2274                 downloadstart = FS_Tell(host_client->download_file);
2275                 downloadsize = min(downloadsize, (int)sizeof(data));
2276                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2277                 // note this sends empty messages if at the end of the file, which is
2278                 // necessary to keep the packet loss logic working
2279                 // (the last blocks may be lost and need to be re-sent, and that will
2280                 //  only occur if the client acks the empty end messages, revealing
2281                 //  a gap in the download progress, causing the last blocks to be
2282                 //  sent again)
2283                 MSG_WriteChar (&msg, svc_downloaddata);
2284                 MSG_WriteLong (&msg, downloadstart);
2285                 MSG_WriteShort (&msg, downloadsize);
2286                 if (downloadsize > 0)
2287                         SZ_Write (&msg, data, downloadsize);
2288         }
2289
2290         // reliable only if none is in progress
2291         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2292                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2293         // unreliable
2294         SV_WriteDemoMessage(client, &msg, false);
2295
2296 // send the datagram
2297         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2298         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2299                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2300 }
2301
2302 /*
2303 =======================
2304 SV_UpdateToReliableMessages
2305 =======================
2306 */
2307 static void SV_UpdateToReliableMessages (void)
2308 {
2309         int i, j;
2310         client_t *client;
2311         prvm_eval_t *val;
2312         const char *name;
2313         const char *model;
2314         const char *skin;
2315
2316 // check for changes to be sent over the reliable streams
2317         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2318         {
2319                 // update the host_client fields we care about according to the entity fields
2320                 host_client->edict = PRVM_EDICT_NUM(i+1);
2321
2322                 // DP_SV_CLIENTNAME
2323                 name = PRVM_GetString(host_client->edict->fields.server->netname);
2324                 if (name == NULL)
2325                         name = "";
2326                 // always point the string back at host_client->name to keep it safe
2327                 strlcpy (host_client->name, name, sizeof (host_client->name));
2328                 host_client->edict->fields.server->netname = PRVM_SetEngineString(host_client->name);
2329                 if (strcmp(host_client->old_name, host_client->name))
2330                 {
2331                         if (host_client->spawned)
2332                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2333                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2334                         // send notification to all clients
2335                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2336                         MSG_WriteByte (&sv.reliable_datagram, i);
2337                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2338                         SV_WriteNetnameIntoDemo(host_client);
2339                 }
2340
2341                 // DP_SV_CLIENTCOLORS
2342                 // this is always found (since it's added by the progs loader)
2343                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcolors)))
2344                         host_client->colors = (int)val->_float;
2345                 if (host_client->old_colors != host_client->colors)
2346                 {
2347                         host_client->old_colors = host_client->colors;
2348                         // send notification to all clients
2349                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2350                         MSG_WriteByte (&sv.reliable_datagram, i);
2351                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2352                 }
2353
2354                 // NEXUIZ_PLAYERMODEL
2355                 if( prog->fieldoffsets.playermodel >= 0 ) {
2356                         model = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string);
2357                         if (model == NULL)
2358                                 model = "";
2359                         // always point the string back at host_client->name to keep it safe
2360                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2361                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(host_client->playermodel);
2362                 }
2363
2364                 // NEXUIZ_PLAYERSKIN
2365                 if( prog->fieldoffsets.playerskin >= 0 ) {
2366                         skin = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string);
2367                         if (skin == NULL)
2368                                 skin = "";
2369                         // always point the string back at host_client->name to keep it safe
2370                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2371                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(host_client->playerskin);
2372                 }
2373
2374                 // TODO: add an extension name for this [1/17/2008 Black]
2375                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcamera)) && val->edict > 0 ) {
2376                         int oldclientcamera = host_client->clientcamera;
2377                         if( val->edict >= prog->max_edicts || PRVM_EDICT_NUM( val->edict )->priv.required->free ) {
2378                                 val->edict = host_client->clientcamera = PRVM_NUM_FOR_EDICT( host_client->edict );
2379                         } else {
2380                                 host_client->clientcamera = val->edict;
2381                         }
2382
2383                         if( oldclientcamera != host_client->clientcamera ) {
2384                                 MSG_WriteByte (&host_client->netconnection->message, svc_setview );
2385                                 MSG_WriteShort (&host_client->netconnection->message, host_client->clientcamera);
2386                         }
2387                 }
2388
2389                 // frags
2390                 host_client->frags = (int)host_client->edict->fields.server->frags;
2391                 if(gamemode == GAME_NEXUIZ)
2392                         if(!host_client->spawned && host_client->netconnection)
2393                                 host_client->frags = -666;
2394                 if (host_client->old_frags != host_client->frags)
2395                 {
2396                         host_client->old_frags = host_client->frags;
2397                         // send notification to all clients
2398                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2399                         MSG_WriteByte (&sv.reliable_datagram, i);
2400                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2401                 }
2402         }
2403
2404         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2405                 if (client->netconnection && (client->spawned || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2406                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2407
2408         SZ_Clear (&sv.reliable_datagram);
2409 }
2410
2411
2412 /*
2413 =======================
2414 SV_SendClientMessages
2415 =======================
2416 */
2417 void SV_SendClientMessages (void)
2418 {
2419         int i, prepared = false;
2420
2421         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2422                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2423
2424         SV_FlushBroadcastMessages();
2425
2426 // update frags, names, etc
2427         SV_UpdateToReliableMessages();
2428
2429 // build individual updates
2430         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2431         {
2432                 if (!host_client->active)
2433                         continue;
2434                 if (!host_client->netconnection)
2435                         continue;
2436
2437                 if (host_client->netconnection->message.overflowed)
2438                 {
2439                         SV_DropClient (true);   // if the message couldn't send, kick off
2440                         continue;
2441                 }
2442
2443                 if (!prepared)
2444                 {
2445                         prepared = true;
2446                         // only prepare entities once per frame
2447                         SV_PrepareEntitiesForSending();
2448                 }
2449                 SV_SendClientDatagram (host_client);
2450         }
2451
2452 // clear muzzle flashes
2453         SV_CleanupEnts();
2454 }
2455
2456 static void SV_StartDownload_f(void)
2457 {
2458         if (host_client->download_file)
2459                 host_client->download_started = true;
2460 }
2461
2462 /*
2463  * Compression extension negotiation:
2464  *
2465  * Server to client:
2466  *   cl_serverextension_download 2
2467  *
2468  * Client to server:
2469  *   download <filename> <list of zero or more suppported compressions in order of preference>
2470  * e.g.
2471  *   download maps/map1.bsp lzo deflate huffman
2472  *
2473  * Server to client:
2474  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2475  * e.g.
2476  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2477  *
2478  * The server may choose not to compress the file by sending no compression name, like:
2479  *   cl_downloadbegin 345678 maps/map1.bsp
2480  *
2481  * NOTE: the "download" command may only specify compression algorithms if
2482  *       cl_serverextension_download is 2!
2483  *       If cl_serverextension_download has a different value, the client must
2484  *       assume this extension is not supported!
2485  */
2486
2487 static void Download_CheckExtensions(void)
2488 {
2489         int i;
2490         int argc = Cmd_Argc();
2491
2492         // first reset them all
2493         host_client->download_deflate = false;
2494
2495         for(i = 2; i < argc; ++i)
2496         {
2497                 if(!strcmp(Cmd_Argv(i), "deflate"))
2498                 {
2499                         host_client->download_deflate = true;
2500                         break;
2501                 }
2502         }
2503 }
2504
2505 static void SV_Download_f(void)
2506 {
2507         const char *whichpack, *whichpack2, *extension;
2508         qboolean is_csqc; // so we need to check only once
2509
2510         if (Cmd_Argc() < 2)
2511         {
2512                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2513                 SV_ClientPrintf("       supported extensions: deflate\n");
2514                 return;
2515         }
2516
2517         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2518         {
2519                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2520                 return;
2521         }
2522
2523         if (host_client->download_file)
2524         {
2525                 // at this point we'll assume the previous download should be aborted
2526                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2527                 Host_ClientCommands("\nstopdownload\n");
2528
2529                 // close the file and reset variables
2530                 FS_Close(host_client->download_file);
2531                 host_client->download_file = NULL;
2532                 host_client->download_name[0] = 0;
2533                 host_client->download_expectedposition = 0;
2534                 host_client->download_started = false;
2535         }
2536
2537         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2538
2539         if (!sv_allowdownloads.integer && !is_csqc)
2540         {
2541                 SV_ClientPrintf("Downloads are disabled on this server\n");
2542                 Host_ClientCommands("\nstopdownload\n");
2543                 return;
2544         }
2545
2546         Download_CheckExtensions();
2547
2548         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2549         extension = FS_FileExtension(host_client->download_name);
2550
2551         // host_client is asking to download a specified file
2552         if (developer_extra.integer)
2553                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2554
2555         if(is_csqc)
2556         {
2557                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2558                 extensions[0] = '\0';
2559
2560                 if(host_client->download_deflate)
2561                         strlcat(extensions, " deflate", sizeof(extensions));
2562
2563                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2564
2565                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2566                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2567                 else
2568                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2569
2570                 // no, no space is needed between %s and %s :P
2571                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2572
2573                 host_client->download_expectedposition = 0;
2574                 host_client->download_started = false;
2575                 host_client->sendsignon = true; // make sure this message is sent
2576                 return;
2577         }
2578
2579         if (!FS_FileExists(host_client->download_name))
2580         {
2581                 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);
2582                 Host_ClientCommands("\nstopdownload\n");
2583                 return;
2584         }
2585
2586         // check if the user is trying to download part of registered Quake(r)
2587         whichpack = FS_WhichPack(host_client->download_name);
2588         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2589         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2590         {
2591                 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);
2592                 Host_ClientCommands("\nstopdownload\n");
2593                 return;
2594         }
2595
2596         // check if the server has forbidden archive downloads entirely
2597         if (!sv_allowdownloads_inarchive.integer)
2598         {
2599                 whichpack = FS_WhichPack(host_client->download_name);
2600                 if (whichpack)
2601                 {
2602                         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);
2603                         Host_ClientCommands("\nstopdownload\n");
2604                         return;
2605                 }
2606         }
2607
2608         if (!sv_allowdownloads_config.integer)
2609         {
2610                 if (!strcasecmp(extension, "cfg"))
2611                 {
2612                         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);
2613                         Host_ClientCommands("\nstopdownload\n");
2614                         return;
2615                 }
2616         }
2617
2618         if (!sv_allowdownloads_dlcache.integer)
2619         {
2620                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2621                 {
2622                         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);
2623                         Host_ClientCommands("\nstopdownload\n");
2624                         return;
2625                 }
2626         }
2627
2628         if (!sv_allowdownloads_archive.integer)
2629         {
2630                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2631                 {
2632                         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);
2633                         Host_ClientCommands("\nstopdownload\n");
2634                         return;
2635                 }
2636         }
2637
2638         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2639         if (!host_client->download_file)
2640         {
2641                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2642                 Host_ClientCommands("\nstopdownload\n");
2643                 return;
2644         }
2645
2646         if (FS_FileSize(host_client->download_file) > 1<<30)
2647         {
2648                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2649                 Host_ClientCommands("\nstopdownload\n");
2650                 FS_Close(host_client->download_file);
2651                 host_client->download_file = NULL;
2652                 return;
2653         }
2654
2655         if (FS_FileSize(host_client->download_file) < 0)
2656         {
2657                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\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         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2665
2666         /*
2667          * we can only do this if we would actually deflate on the fly
2668          * which we do not (yet)!
2669         {
2670                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2671                 extensions[0] = '\0';
2672
2673                 if(host_client->download_deflate)
2674                         strlcat(extensions, " deflate", sizeof(extensions));
2675
2676                 // no, no space is needed between %s and %s :P
2677                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2678         }
2679         */
2680         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2681
2682         host_client->download_expectedposition = 0;
2683         host_client->download_started = false;
2684         host_client->sendsignon = true; // make sure this message is sent
2685
2686         // the rest of the download process is handled in SV_SendClientDatagram
2687         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2688         //
2689         // no svc_downloaddata messages will be sent until sv_startdownload is
2690         // sent by the client
2691 }
2692
2693 /*
2694 ==============================================================================
2695
2696 SERVER SPAWNING
2697
2698 ==============================================================================
2699 */
2700
2701 /*
2702 ================
2703 SV_ModelIndex
2704
2705 ================
2706 */
2707 int SV_ModelIndex(const char *s, int precachemode)
2708 {
2709         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);
2710         char filename[MAX_QPATH];
2711         if (!s || !*s)
2712                 return 0;
2713         // testing
2714         //if (precachemode == 2)
2715         //      return 0;
2716         strlcpy(filename, s, sizeof(filename));
2717         for (i = 2;i < limit;i++)
2718         {
2719                 if (!sv.model_precache[i][0])
2720                 {
2721                         if (precachemode)
2722                         {
2723                                 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))
2724                                 {
2725                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2726                                         return 0;
2727                                 }
2728                                 if (precachemode == 1)
2729                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2730                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2731                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2732                                 if (sv.state != ss_loading)
2733                                 {
2734                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2735                                         MSG_WriteShort(&sv.reliable_datagram, i);
2736                                         MSG_WriteString(&sv.reliable_datagram, filename);
2737                                 }
2738                                 return i;
2739                         }
2740                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2741                         return 0;
2742                 }
2743                 if (!strcmp(sv.model_precache[i], filename))
2744                         return i;
2745         }
2746         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2747         return 0;
2748 }
2749
2750 /*
2751 ================
2752 SV_SoundIndex
2753
2754 ================
2755 */
2756 int SV_SoundIndex(const char *s, int precachemode)
2757 {
2758         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);
2759         char filename[MAX_QPATH];
2760         if (!s || !*s)
2761                 return 0;
2762         // testing
2763         //if (precachemode == 2)
2764         //      return 0;
2765         strlcpy(filename, s, sizeof(filename));
2766         for (i = 1;i < limit;i++)
2767         {
2768                 if (!sv.sound_precache[i][0])
2769                 {
2770                         if (precachemode)
2771                         {
2772                                 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))
2773                                 {
2774                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2775                                         return 0;
2776                                 }
2777                                 if (precachemode == 1)
2778                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2779                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2780                                 if (sv.state != ss_loading)
2781                                 {
2782                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2783                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2784                                         MSG_WriteString(&sv.reliable_datagram, filename);
2785                                 }
2786                                 return i;
2787                         }
2788                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2789                         return 0;
2790                 }
2791                 if (!strcmp(sv.sound_precache[i], filename))
2792                         return i;
2793         }
2794         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2795         return 0;
2796 }
2797
2798 /*
2799 ================
2800 SV_ParticleEffectIndex
2801
2802 ================
2803 */
2804 int SV_ParticleEffectIndex(const char *name)
2805 {
2806         int i, argc, linenumber, effectnameindex;
2807         int filepass;
2808         fs_offset_t filesize;
2809         unsigned char *filedata;
2810         const char *text;
2811         const char *textstart;
2812         //const char *textend;
2813         char argv[16][1024];
2814         char filename[MAX_QPATH];
2815         if (!sv.particleeffectnamesloaded)
2816         {
2817                 sv.particleeffectnamesloaded = true;
2818                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2819                 for (i = 0;i < EFFECT_TOTAL;i++)
2820                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2821                 for (filepass = 0;;filepass++)
2822                 {
2823                         if (filepass == 0)
2824                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
2825                         else if (filepass == 1)
2826                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
2827                         else
2828                                 break;
2829                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
2830                         if (!filedata)
2831                                 continue;
2832                         textstart = (const char *)filedata;
2833                         //textend = (const char *)filedata + filesize;
2834                         text = textstart;
2835                         for (linenumber = 1;;linenumber++)
2836                         {
2837                                 argc = 0;
2838                                 for (;;)
2839                                 {
2840                                         if (!COM_ParseToken_Simple(&text, true, false) || !strcmp(com_token, "\n"))
2841                                                 break;
2842                                         if (argc < 16)
2843                                         {
2844                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2845                                                 argc++;
2846                                         }
2847                                 }
2848                                 if (com_token[0] == 0)
2849                                         break; // if the loop exited and it's not a \n, it's EOF
2850                                 if (argc < 1)
2851                                         continue;
2852                                 if (!strcmp(argv[0], "effect"))
2853                                 {
2854                                         if (argc == 2)
2855                                         {
2856                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
2857                                                 {
2858                                                         if (sv.particleeffectname[effectnameindex][0])
2859                                                         {
2860                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
2861                                                                         break;
2862                                                         }
2863                                                         else
2864                                                         {
2865                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
2866                                                                 break;
2867                                                         }
2868                                                 }
2869                                                 // if we run out of names, abort
2870                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
2871                                                 {
2872                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
2873                                                         break;
2874                                                 }
2875                                         }
2876                                 }
2877                         }
2878                         Mem_Free(filedata);
2879                 }
2880         }
2881         // search for the name
2882         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
2883                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
2884                         return effectnameindex;
2885         // return 0 if we couldn't find it
2886         return 0;
2887 }
2888
2889 dp_model_t *SV_GetModelByIndex(int modelindex)
2890 {
2891         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2892 }
2893
2894 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
2895 {
2896         int modelindex;
2897         if (!ed || ed->priv.server->free)
2898                 return NULL;
2899         modelindex = (int)ed->fields.server->modelindex;
2900         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2901 }
2902
2903 /*
2904 ================
2905 SV_CreateBaseline
2906
2907 ================
2908 */
2909 static void SV_CreateBaseline (void)
2910 {
2911         int i, entnum, large;
2912         prvm_edict_t *svent;
2913
2914         // LordHavoc: clear *all* states (note just active ones)
2915         for (entnum = 0;entnum < prog->max_edicts;entnum++)
2916         {
2917                 // get the current server version
2918                 svent = PRVM_EDICT_NUM(entnum);
2919
2920                 // LordHavoc: always clear state values, whether the entity is in use or not
2921                 svent->priv.server->baseline = defaultstate;
2922
2923                 if (svent->priv.server->free)
2924                         continue;
2925                 if (entnum > svs.maxclients && !svent->fields.server->modelindex)
2926                         continue;
2927
2928                 // create entity baseline
2929                 VectorCopy (svent->fields.server->origin, svent->priv.server->baseline.origin);
2930                 VectorCopy (svent->fields.server->angles, svent->priv.server->baseline.angles);
2931                 svent->priv.server->baseline.frame = (int)svent->fields.server->frame;
2932                 svent->priv.server->baseline.skin = (int)svent->fields.server->skin;
2933                 if (entnum > 0 && entnum <= svs.maxclients)
2934                 {
2935                         svent->priv.server->baseline.colormap = entnum;
2936                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
2937                 }
2938                 else
2939                 {
2940                         svent->priv.server->baseline.colormap = 0;
2941                         svent->priv.server->baseline.modelindex = (int)svent->fields.server->modelindex;
2942                 }
2943
2944                 large = false;
2945                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
2946                 {
2947                         large = true;
2948                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2949                                 large = false;
2950                 }
2951
2952                 // add to the message
2953                 if (large)
2954                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
2955                 else
2956                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
2957                 MSG_WriteShort (&sv.signon, entnum);
2958
2959                 if (large)
2960                 {
2961                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2962                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
2963                 }
2964                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2965                 {
2966                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2967                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2968                 }
2969                 else
2970                 {
2971                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
2972                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2973                 }
2974                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
2975                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
2976                 for (i=0 ; i<3 ; i++)
2977                 {
2978                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
2979                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
2980                 }
2981         }
2982 }
2983
2984 /*
2985 ================
2986 SV_Prepare_CSQC
2987
2988 Load csprogs.dat and comperss it so it doesn't need to be
2989 reloaded on request.
2990 ================
2991 */
2992 void SV_Prepare_CSQC(void)
2993 {
2994         fs_offset_t progsize;
2995
2996         if(svs.csqc_progdata)
2997         {
2998                 Con_DPrintf("Unloading old CSQC data.\n");
2999                 Mem_Free(svs.csqc_progdata);
3000                 if(svs.csqc_progdata_deflated)
3001                         Mem_Free(svs.csqc_progdata_deflated);
3002         }
3003
3004         svs.csqc_progdata = NULL;
3005         svs.csqc_progdata_deflated = NULL;
3006
3007         sv.csqc_progname[0] = 0;
3008         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
3009
3010         if(progsize > 0)
3011         {
3012                 size_t deflated_size;
3013
3014                 sv.csqc_progsize = (int)progsize;
3015                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
3016                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
3017                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
3018
3019                 Con_DPrint("Compressing csprogs.dat\n");
3020                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
3021                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
3022                 svs.csqc_progsize_deflated = (int)deflated_size;
3023                 if(svs.csqc_progdata_deflated)
3024                 {
3025                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
3026                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
3027                 }
3028                 else
3029                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
3030         }
3031 }
3032
3033 /*
3034 ================
3035 SV_SaveSpawnparms
3036
3037 Grabs the current state of each client for saving across the
3038 transition to another level
3039 ================
3040 */
3041 void SV_SaveSpawnparms (void)
3042 {
3043         int             i, j;
3044
3045         svs.serverflags = (int)prog->globals.server->serverflags;
3046
3047         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3048         {
3049                 if (!host_client->active)
3050                         continue;
3051
3052         // call the progs to get default spawn parms for the new client
3053                 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
3054                 PRVM_ExecuteProgram (prog->globals.server->SetChangeParms, "QC function SetChangeParms is missing");
3055                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
3056                         host_client->spawn_parms[j] = (&prog->globals.server->parm1)[j];
3057         }
3058 }
3059
3060 /*
3061 ================
3062 SV_SpawnServer
3063
3064 This is called at the start of each level
3065 ================
3066 */
3067
3068 void SV_SpawnServer (const char *server)
3069 {
3070         prvm_edict_t *ent;
3071         int i;
3072         char *entities;
3073         dp_model_t *worldmodel;
3074         char modelname[sizeof(sv.worldname)];
3075
3076         Con_DPrintf("SpawnServer: %s\n", server);
3077
3078         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
3079
3080         if (!FS_FileExists(modelname))
3081         {
3082                 Con_Printf("SpawnServer: no map file named %s\n", modelname);
3083                 return;
3084         }
3085
3086         if (cls.state != ca_dedicated)
3087         {
3088                 SCR_BeginLoadingPlaque();
3089                 S_StopAllSounds();
3090         }
3091
3092         if(sv.active)
3093         {
3094                 SV_VM_Begin();
3095                 World_End(&sv.world);
3096                 if(prog->funcoffsets.SV_Shutdown)
3097                 {
3098                         func_t s = prog->funcoffsets.SV_Shutdown;
3099                         prog->funcoffsets.SV_Shutdown = 0; // prevent it from getting called again
3100                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
3101                 }
3102                 SV_VM_End();
3103         }
3104
3105         // free q3 shaders so that any newly downloaded shaders will be active
3106         Mod_FreeQ3Shaders();
3107
3108         worldmodel = Mod_ForName(modelname, false, developer.integer > 0, NULL);
3109         if (!worldmodel || !worldmodel->TraceBox)
3110         {
3111                 Con_Printf("Couldn't load map %s\n", modelname);
3112                 return;
3113         }
3114
3115         // let's not have any servers with no name
3116         if (hostname.string[0] == 0)
3117                 Cvar_Set ("hostname", "UNNAMED");
3118         scr_centertime_off = 0;
3119
3120         svs.changelevel_issued = false;         // now safe to issue another
3121
3122         // make the map a required file for clients
3123         Curl_ClearRequirements();
3124         Curl_RequireFile(modelname);
3125
3126 //
3127 // tell all connected clients that we are going to a new level
3128 //
3129         if (sv.active)
3130         {
3131                 client_t *client;
3132                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3133                 {
3134                         if (client->netconnection)
3135                         {
3136                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3137                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3138                         }
3139                 }
3140         }
3141         else
3142         {
3143                 // open server port
3144                 NetConn_OpenServerPorts(true);
3145         }
3146
3147 //
3148 // make cvars consistant
3149 //
3150         if (coop.integer)
3151                 Cvar_SetValue ("deathmatch", 0);
3152         // LordHavoc: it can be useful to have skills outside the range 0-3...
3153         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3154         //Cvar_SetValue ("skill", (float)current_skill);
3155         current_skill = (int)(skill.value + 0.5);
3156
3157 //
3158 // set up the new server
3159 //
3160         memset (&sv, 0, sizeof(sv));
3161         // if running a local client, make sure it doesn't try to access the last
3162         // level's data which is no longer valiud
3163         cls.signon = 0;
3164
3165         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
3166
3167         if(*sv_random_seed.string)
3168         {
3169                 srand(sv_random_seed.integer);
3170                 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);
3171         }
3172
3173         SV_VM_Setup();
3174
3175         sv.active = true;
3176
3177         // set level base name variables for later use
3178         strlcpy (sv.name, server, sizeof (sv.name));
3179         strlcpy(sv.worldname, modelname, sizeof(sv.worldname));
3180         FS_StripExtension(sv.worldname, sv.worldnamenoextension, sizeof(sv.worldnamenoextension));
3181         strlcpy(sv.worldbasename, !strncmp(sv.worldnamenoextension, "maps/", 5) ? sv.worldnamenoextension + 5 : sv.worldnamenoextension, sizeof(sv.worldbasename));
3182         //Cvar_SetQuick(&sv_worldmessage, sv.worldmessage); // set later after QC is spawned
3183         Cvar_SetQuick(&sv_worldname, sv.worldname);
3184         Cvar_SetQuick(&sv_worldnamenoextension, sv.worldnamenoextension);
3185         Cvar_SetQuick(&sv_worldbasename, sv.worldbasename);
3186
3187         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3188         if (sv.protocol == PROTOCOL_UNKNOWN)
3189         {
3190                 char buffer[1024];
3191                 Protocol_Names(buffer, sizeof(buffer));
3192                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3193                 sv.protocol = PROTOCOL_QUAKE;
3194         }
3195
3196         SV_VM_Begin();
3197
3198 // load progs to get entity field count
3199         //PR_LoadProgs ( sv_progs.string );
3200
3201         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3202         sv.datagram.cursize = 0;
3203         sv.datagram.data = sv.datagram_buf;
3204
3205         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3206         sv.reliable_datagram.cursize = 0;
3207         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3208
3209         sv.signon.maxsize = sizeof(sv.signon_buf);
3210         sv.signon.cursize = 0;
3211         sv.signon.data = sv.signon_buf;
3212
3213 // leave slots at start for clients only
3214         //prog->num_edicts = svs.maxclients+1;
3215
3216         sv.state = ss_loading;
3217         prog->allowworldwrites = true;
3218         sv.paused = false;
3219
3220         prog->globals.server->time = sv.time = 1.0;
3221
3222         Mod_ClearUsed();
3223         worldmodel->used = true;
3224
3225         sv.worldmodel = worldmodel;
3226         sv.models[1] = sv.worldmodel;
3227
3228 //
3229 // clear world interaction links
3230 //
3231         World_SetSize(&sv.world, sv.worldname, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs);
3232         World_Start(&sv.world);
3233
3234         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3235
3236         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3237         strlcpy(sv.model_precache[1], sv.worldname, sizeof(sv.model_precache[1]));
3238         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3239         {
3240                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3241                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.worldname);
3242         }
3243         if(i < sv.worldmodel->brush.numsubmodels)
3244                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3245
3246 //
3247 // load the rest of the entities
3248 //
3249         // AK possible hack since num_edicts is still 0
3250         ent = PRVM_EDICT_NUM(0);
3251         memset (ent->fields.server, 0, prog->progs->entityfields * 4);
3252         ent->priv.server->free = false;
3253         ent->fields.server->model = PRVM_SetEngineString(sv.worldname);
3254         ent->fields.server->modelindex = 1;             // world model
3255         ent->fields.server->solid = SOLID_BSP;
3256         ent->fields.server->movetype = MOVETYPE_PUSH;
3257         VectorCopy(sv.world.mins, ent->fields.server->mins);
3258         VectorCopy(sv.world.maxs, ent->fields.server->maxs);
3259         VectorCopy(sv.world.mins, ent->fields.server->absmin);
3260         VectorCopy(sv.world.maxs, ent->fields.server->absmax);
3261
3262         if (coop.value)
3263                 prog->globals.server->coop = coop.integer;
3264         else
3265                 prog->globals.server->deathmatch = deathmatch.integer;
3266
3267         prog->globals.server->mapname = PRVM_SetEngineString(sv.name);
3268
3269 // serverflags are for cross level information (sigils)
3270         prog->globals.server->serverflags = svs.serverflags;
3271
3272         // we need to reset the spawned flag on all connected clients here so that
3273         // their thinks don't run during startup (before PutClientInServer)
3274         // we also need to set up the client entities now
3275         // and we need to set the ->edict pointers to point into the progs edicts
3276         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3277         {
3278                 host_client->spawned = false;
3279                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3280                 PRVM_ED_ClearEdict(host_client->edict);
3281         }
3282
3283         // load replacement entity file if found
3284         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va("%s.ent", sv.worldnamenoextension), tempmempool, true, NULL)))
3285         {
3286                 Con_Printf("Loaded %s.ent\n", sv.worldnamenoextension);
3287                 PRVM_ED_LoadFromFile (entities);
3288                 Mem_Free(entities);
3289         }
3290         else
3291                 PRVM_ED_LoadFromFile (sv.worldmodel->brush.entities);
3292
3293
3294         // LordHavoc: clear world angles (to fix e3m3.bsp)
3295         VectorClear(prog->edicts->fields.server->angles);
3296
3297 // all setup is completed, any further precache statements are errors
3298 //      sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3299         prog->allowworldwrites = false;
3300
3301 // run two frames to allow everything to settle
3302         prog->globals.server->time = sv.time = 1.0001;
3303         for (i = 0;i < 2;i++)
3304         {
3305                 sv.frametime = 0.1;
3306                 SV_Physics ();
3307         }
3308
3309         if (cls.state == ca_dedicated)
3310                 Mod_PurgeUnused();
3311
3312 // create a baseline for more efficient communications
3313         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)
3314                 SV_CreateBaseline ();
3315
3316         sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3317
3318         // to prevent network timeouts
3319         realtime = Sys_DoubleTime();
3320
3321 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3322         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3323         {
3324                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3325                 if (!host_client->active)
3326                         continue;
3327                 if (host_client->netconnection)
3328                         SV_SendServerinfo(host_client);
3329                 else
3330                 {
3331                         int j;
3332                         // if client is a botclient coming from a level change, we need to
3333                         // set up client info that normally requires networking
3334
3335                         // copy spawn parms out of the client_t
3336                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3337                                 (&prog->globals.server->parm1)[j] = host_client->spawn_parms[j];
3338
3339                         // call the spawn function
3340                         host_client->clientconnectcalled = true;
3341                         prog->globals.server->time = sv.time;
3342                         prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
3343                         PRVM_ExecuteProgram (prog->globals.server->ClientConnect, "QC function ClientConnect is missing");
3344                         PRVM_ExecuteProgram (prog->globals.server->PutClientInServer, "QC function PutClientInServer is missing");
3345                         host_client->spawned = true;
3346                 }
3347         }
3348
3349         // update the map title cvar
3350         strlcpy(sv.worldmessage, PRVM_GetString(prog->edicts->fields.server->message), sizeof(sv.worldmessage)); // map title (not related to filename)
3351         Cvar_SetQuick(&sv_worldmessage, sv.worldmessage);
3352
3353         Con_DPrint("Server spawned.\n");
3354         NetConn_Heartbeat (2);
3355
3356         SV_VM_End();
3357 }
3358
3359 /////////////////////////////////////////////////////
3360 // SV VM stuff
3361
3362 static void SV_VM_CB_BeginIncreaseEdicts(void)
3363 {
3364         // links don't survive the transition, so unlink everything
3365         World_UnlinkAll(&sv.world);
3366 }
3367
3368 static void SV_VM_CB_EndIncreaseEdicts(void)
3369 {
3370         int i;
3371         prvm_edict_t *ent;
3372
3373         // link every entity except world
3374         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
3375                 if (!ent->priv.server->free)
3376                         SV_LinkEdict(ent);
3377 }
3378
3379 static void SV_VM_CB_InitEdict(prvm_edict_t *e)
3380 {
3381         // LordHavoc: for consistency set these here
3382         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3383
3384         e->priv.server->move = false; // don't move on first frame
3385
3386         if (num >= 0 && num < svs.maxclients)
3387         {
3388                 prvm_eval_t *val;
3389                 // set colormap and team on newly created player entity
3390                 e->fields.server->colormap = num + 1;
3391                 e->fields.server->team = (svs.clients[num].colors & 15) + 1;
3392                 // set netname/clientcolors back to client values so that
3393                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3394                 // reset them
3395                 e->fields.server->netname = PRVM_SetEngineString(svs.clients[num].name);
3396                 if ((val = PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.clientcolors)))
3397                         val->_float = svs.clients[num].colors;
3398                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3399                 if( prog->fieldoffsets.playermodel >= 0 )
3400                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(svs.clients[num].playermodel);
3401                 if( prog->fieldoffsets.playerskin >= 0 )
3402                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(svs.clients[num].playerskin);
3403                 // Assign netaddress (IP Address, etc)
3404                 if(prog->fieldoffsets.netaddress >= 0)
3405                 { // Valid Field; Process
3406                         if(svs.clients[num].netconnection != NULL)
3407                         {// Valid Address; Assign
3408                                 // Acquire Readable Address
3409                                 LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3410                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.netaddress)->string = PRVM_SetEngineString(svs.clients[num].netaddress);
3411                         }
3412                         else
3413                                 // Invalid / Bot
3414                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.netaddress)->string = PRVM_SetEngineString("null/botclient");
3415                 }
3416         }
3417 }
3418
3419 static void SV_VM_CB_FreeEdict(prvm_edict_t *ed)
3420 {
3421         int i;
3422         int e;
3423
3424         World_UnlinkEdict(ed);          // unlink from world bsp
3425
3426         ed->fields.server->model = 0;
3427         ed->fields.server->takedamage = 0;
3428         ed->fields.server->modelindex = 0;
3429         ed->fields.server->colormap = 0;
3430         ed->fields.server->skin = 0;
3431         ed->fields.server->frame = 0;
3432         VectorClear(ed->fields.server->origin);
3433         VectorClear(ed->fields.server->angles);
3434         ed->fields.server->nextthink = -1;
3435         ed->fields.server->solid = 0;
3436
3437         VM_RemoveEdictSkeleton(ed);
3438         World_Physics_RemoveFromEntity(&sv.world, ed);
3439         World_Physics_RemoveJointFromEntity(&sv.world, ed);
3440
3441         // make sure csqc networking is aware of the removed entity
3442         e = PRVM_NUM_FOR_EDICT(ed);
3443         sv.csqcentityversion[e] = 0;
3444         for (i = 0;i < svs.maxclients;i++)
3445         {
3446                 if (svs.clients[i].csqcentityscope[e])
3447                         svs.clients[i].csqcentityscope[e] = 1; // removed, awaiting send
3448                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3449         }
3450 }
3451
3452 static void SV_VM_CB_CountEdicts(void)
3453 {
3454         int             i;
3455         prvm_edict_t    *ent;
3456         int             active, models, solid, step;
3457
3458         active = models = solid = step = 0;
3459         for (i=0 ; i<prog->num_edicts ; i++)
3460         {
3461                 ent = PRVM_EDICT_NUM(i);
3462                 if (ent->priv.server->free)
3463                         continue;
3464                 active++;
3465                 if (ent->fields.server->solid)
3466                         solid++;
3467                 if (ent->fields.server->model)
3468                         models++;
3469                 if (ent->fields.server->movetype == MOVETYPE_STEP)
3470                         step++;
3471         }
3472
3473         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3474         Con_Printf("active    :%3i\n", active);
3475         Con_Printf("view      :%3i\n", models);
3476         Con_Printf("touch     :%3i\n", solid);
3477         Con_Printf("step      :%3i\n", step);
3478 }
3479
3480 static qboolean SV_VM_CB_LoadEdict(prvm_edict_t *ent)
3481 {
3482         // remove things from different skill levels or deathmatch
3483         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3484         {
3485                 if (deathmatch.integer)
3486                 {
3487                         if (((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_DEATHMATCH))
3488                         {
3489                                 return false;
3490                         }
3491                 }
3492                 else if ((current_skill <= 0 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_EASY  ))
3493                         || (current_skill == 1 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_MEDIUM))
3494                         || (current_skill >= 2 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_HARD  )))
3495                 {
3496                         return false;
3497                 }
3498         }
3499         return true;
3500 }
3501
3502 static void SV_VM_Setup(void)
3503 {
3504         PRVM_Begin;
3505         PRVM_InitProg( PRVM_SERVERPROG );
3506
3507         // allocate the mempools
3508         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3509         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3510         prog->builtins = vm_sv_builtins;
3511         prog->numbuiltins = vm_sv_numbuiltins;
3512         prog->headercrc = PROGHEADER_CRC;
3513         prog->headercrc2 = PROGHEADER_CRC_TENEBRAE;
3514         prog->max_edicts = 512;
3515         if (sv.protocol == PROTOCOL_QUAKE)
3516                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3517         else if (sv.protocol == PROTOCOL_QUAKEDP)
3518                 prog->limit_edicts = 2048; // guessing
3519         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3520                 prog->limit_edicts = 2048; // guessing!
3521         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3522                 prog->limit_edicts = 4096; // guessing!
3523         else
3524                 prog->limit_edicts = MAX_EDICTS;
3525         prog->reserved_edicts = svs.maxclients;
3526         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3527         prog->name = "server";
3528         prog->extensionstring = vm_sv_extensions;
3529         prog->loadintoworld = true;
3530
3531         prog->begin_increase_edicts = SV_VM_CB_BeginIncreaseEdicts;
3532         prog->end_increase_edicts = SV_VM_CB_EndIncreaseEdicts;
3533         prog->init_edict = SV_VM_CB_InitEdict;
3534         prog->free_edict = SV_VM_CB_FreeEdict;
3535         prog->count_edicts = SV_VM_CB_CountEdicts;
3536         prog->load_edict = SV_VM_CB_LoadEdict;
3537         prog->init_cmd = VM_SV_Cmd_Init;
3538         prog->reset_cmd = VM_SV_Cmd_Reset;
3539         prog->error_cmd = Host_Error;
3540         prog->ExecuteProgram = SVVM_ExecuteProgram;
3541
3542         // TODO: add a requiredfuncs list (ask LH if this is necessary at all)
3543         PRVM_LoadProgs( sv_progs.string, 0, NULL, REQFIELDS, reqfields, 0, NULL );
3544
3545         // some mods compiled with scrambling compilers lack certain critical
3546         // global names and field names such as "self" and "time" and "nextthink"
3547         // so we have to set these offsets manually, matching the entvars_t
3548         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3549         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3550         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3551         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3552         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3553         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
3554         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3555         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3556         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
3557         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
3558         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
3559         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
3560         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
3561         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
3562         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
3563         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
3564         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
3565         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
3566         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
3567         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
3568         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
3569         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
3570         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
3571         // OP_STATE is always supported on server (due to entvars_t)
3572         prog->flag |= PRVM_OP_STATE;
3573
3574         VM_CustomStats_Clear();//[515]: csqc
3575
3576         PRVM_End;
3577
3578         SV_Prepare_CSQC();
3579 }
3580
3581 void SV_VM_Begin(void)
3582 {
3583         PRVM_Begin;
3584         PRVM_SetProg( PRVM_SERVERPROG );
3585
3586         prog->globals.server->time = (float) sv.time;
3587 }
3588
3589 void SV_VM_End(void)
3590 {
3591         PRVM_End;
3592 }