sv_main.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // sv_main.c -- server main program
  21
  22 #include "quakedef.h"
  23 #include "sv_demo.h"
  24 #include "libcurl.h"
  25 #include "csprogs.h"
  26
  27 static void SV_SaveEntFile_f(void);
  28 static void SV_StartDownload_f(void);
  29 static void SV_Download_f(void);
  30 static void SV_VM_Setup(void);
  31 extern cvar_t net_connecttimeout;
  32
  33 void VM_CustomStats_Clear (void);
  34 void VM_SV_UpdateCustomStats (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats);
  35
  36 cvar_t sv_worldmessage = {CVAR_READONLY, "sv_worldmessage", "", "title of current level"};
  37 cvar_t sv_worldname = {CVAR_READONLY, "sv_worldname", "", "name of current worldmodel"};
  38 cvar_t sv_worldnamenoextension = {CVAR_READONLY, "sv_worldnamenoextension", "", "name of current worldmodel without extension"};
  39 cvar_t sv_worldbasename = {CVAR_READONLY, "sv_worldbasename", "", "name of current worldmodel without maps/ prefix or extension"};
  40
  41 cvar_t coop = {0, "coop","0", "coop mode, 0 = no coop, 1 = coop mode, multiple players playing through the singleplayer game (coop mode also shuts off deathmatch)"};
  42 cvar_t deathmatch = {0, "deathmatch","0", "deathmatch mode, values depend on mod but typically 0 = no deathmatch, 1 = normal deathmatch with respawning weapons, 2 = weapons stay (players can only pick up new weapons)"};
  43 cvar_t fraglimit = {CVAR_NOTIFY, "fraglimit","0", "ends level if this many frags is reached by any player"};
  44 cvar_t gamecfg = {0, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
  45 cvar_t noexit = {CVAR_NOTIFY, "noexit","0", "kills anyone attempting to use an exit"};
  46 cvar_t nomonsters = {0, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
  47 cvar_t pausable = {0, "pausable","1", "allow players to pause or not"};
  48 cvar_t pr_checkextension = {CVAR_READONLY, "pr_checkextension", "1", "indicates to QuakeC that the standard quakec extensions system is available (if 0, quakec should not attempt to use extensions)"};
  49 cvar_t samelevel = {CVAR_NOTIFY, "samelevel","0", "repeats same level if level ends (due to timelimit or someone hitting an exit)"};
  50 cvar_t skill = {0, "skill","1", "difficulty level of game, affects monster layouts in levels, 0 = easy, 1 = normal, 2 = hard, 3 = nightmare (same layout as hard but monsters fire twice)"};
  51 cvar_t slowmo = {0, "slowmo", "1.0", "controls game speed, 0.5 is half speed, 2 is double speed"};
  52
  53 cvar_t sv_accelerate = {0, "sv_accelerate", "10", "rate at which a player accelerates to sv_maxspeed"};
  54 cvar_t sv_aim = {CVAR_SAVE, "sv_aim", "2", "maximum cosine angle for quake's vertical autoaim, a value above 1 completely disables the autoaim, quake used 0.93"};
  55 cvar_t sv_airaccel_qw = {0, "sv_airaccel_qw", "1", "ratio of QW-style air control as opposed to simple acceleration; when < 0, the speed is clamped against the maximum allowed forward speed after the move"};
  56 cvar_t sv_airaccel_sideways_friction = {0, "sv_airaccel_sideways_friction", "", "anti-sideways movement stabilization (reduces speed gain when zigzagging); when < 0, only so much friction is applied that braking (by accelerating backwards) cannot be stronger"};
  57 cvar_t sv_airaccelerate = {0, "sv_airaccelerate", "-1", "rate at which a player accelerates to sv_maxairspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
  58 cvar_t sv_airstopaccelerate = {0, "sv_airstopaccelerate", "0", "when set, replacement for sv_airaccelerate when moving backwards"};
  59 cvar_t sv_airspeedlimit_nonqw = {0, "sv_airspeedlimit_nonqw", "0", "when set, this is a soft speed limit while in air when using airaccel_qw not equal to 1"};
  60 cvar_t sv_airstrafeaccelerate = {0, "sv_airstrafeaccelerate", "0", "when set, replacement for sv_airaccelerate when just strafing"};
  61 cvar_t sv_maxairstrafespeed = {0, "sv_maxairstrafespeed", "0", "when set, replacement for sv_maxairspeed when just strafing"};
  62 cvar_t sv_airstrafeaccel_qw = {0, "sv_airstrafeaccel_qw", "0", "when set, replacement for sv_airaccel_qw when just strafing"};
  63 cvar_t sv_aircontrol = {0, "sv_aircontrol", "0", "CPMA-style air control"};
  64 cvar_t sv_aircontrol_power = {0, "sv_aircontrol_power", "2", "CPMA-style air control exponent"};
  65 cvar_t sv_aircontrol_penalty = {0, "sv_aircontrol_penalty", "0", "deceleration while using CPMA-style air control"};
  66 cvar_t sv_allowdownloads = {0, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
  67 cvar_t sv_allowdownloads_archive = {0, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
  68 cvar_t sv_allowdownloads_config = {0, "sv_allowdownloads_config", "0", "whether to allow downloads of config files (cfg)"};
  69 cvar_t sv_allowdownloads_dlcache = {0, "sv_allowdownloads_dlcache", "0", "whether to allow downloads of dlcache files (dlcache/)"};
  70 cvar_t sv_allowdownloads_inarchive = {0, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
  71 cvar_t sv_areagrid_mingridsize = {CVAR_NOTIFY, "sv_areagrid_mingridsize", "128", "minimum areagrid cell size, smaller values work better for lots of small objects, higher values for large objects"};
  72 cvar_t sv_checkforpacketsduringsleep = {0, "sv_checkforpacketsduringsleep", "0", "uses select() function to wait between frames which can be interrupted by packets being received, instead of Sleep()/usleep()/SDL_Sleep() functions which do not check for packets"};
  73 cvar_t sv_clmovement_enable = {0, "sv_clmovement_enable", "1", "whether to allow clients to use cl_movement prediction, which can cause choppy movement on the server which may annoy other players"};
  74 cvar_t sv_clmovement_minping = {0, "sv_clmovement_minping", "0", "if client ping is below this time in milliseconds, then their ability to use cl_movement prediction is disabled for a while (as they don't need it)"};
  75 cvar_t sv_clmovement_minping_disabletime = {0, "sv_clmovement_minping_disabletime", "1000", "when client falls below minping, disable their prediction for this many milliseconds (should be at least 1000 or else their prediction may turn on/off frequently)"};
  76 cvar_t sv_clmovement_inputtimeout = {0, "sv_clmovement_inputtimeout", "0.2", "when a client does not send input for this many seconds, force them to move anyway (unlike QuakeWorld)"};
  77 cvar_t sv_cullentities_nevercullbmodels = {0, "sv_cullentities_nevercullbmodels", "0", "if enabled the clients are always notified of moving doors and lifts and other submodels of world (warning: eats a lot of network bandwidth on some levels!)"};
  78 cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"};
  79 cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
  80 cvar_t sv_cullentities_trace = {0, "sv_cullentities_trace", "0", "somewhat slow but very tight culling of hidden entities, minimizes network traffic and makes wallhack cheats useless"};
  81 cvar_t sv_cullentities_trace_delay = {0, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
  82 cvar_t sv_cullentities_trace_delay_players = {0, "sv_cullentities_trace_delay_players", "0.2", "number of seconds until the entity gets actually culled if it is a player entity"};
  83 cvar_t sv_cullentities_trace_enlarge = {0, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
  84 cvar_t sv_cullentities_trace_prediction = {0, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
  85 cvar_t sv_cullentities_trace_prediction_time = {0, "sv_cullentities_trace_prediction_time", "0.2", "how many seconds of prediction to use"};
  86 cvar_t sv_cullentities_trace_entityocclusion = {0, "sv_cullentities_trace_entityocclusion", "0", "also check if doors and other bsp models are in the way"};
  87 cvar_t sv_cullentities_trace_samples = {0, "sv_cullentities_trace_samples", "2", "number of samples to test for entity culling"};
  88 cvar_t sv_cullentities_trace_samples_extra = {0, "sv_cullentities_trace_samples_extra", "2", "number of samples to test for entity culling when the entity affects its surroundings by e.g. dlight"};
  89 cvar_t sv_cullentities_trace_samples_players = {0, "sv_cullentities_trace_samples_players", "8", "number of samples to test for entity culling when the entity is a player entity"};
  90 cvar_t sv_debugmove = {CVAR_NOTIFY, "sv_debugmove", "0", "disables collision detection optimizations for debugging purposes"};
  91 cvar_t sv_echobprint = {CVAR_SAVE, "sv_echobprint", "1", "prints gamecode bprint() calls to server console"};
  92 cvar_t sv_edgefriction = {0, "edgefriction", "1", "how much you slow down when nearing a ledge you might fall off, multiplier of sv_friction (Quake used 2, QuakeWorld used 1 due to a bug in physics code)"};
  93 cvar_t sv_entpatch = {0, "sv_entpatch", "1", "enables loading of .ent files to override entities in the bsp (for example Threewave CTF server pack contains .ent patch files enabling play of CTF on id1 maps)"};
  94 cvar_t sv_fixedframeratesingleplayer = {0, "sv_fixedframeratesingleplayer", "1", "allows you to use server-style timing system in singleplayer (don't run faster than sys_ticrate)"};
  95 cvar_t sv_freezenonclients = {CVAR_NOTIFY, "sv_freezenonclients", "0", "freezes time, except for players, allowing you to walk around and take screenshots of explosions"};
  96 cvar_t sv_friction = {CVAR_NOTIFY, "sv_friction","4", "how fast you slow down"};
  97 cvar_t sv_gameplayfix_blowupfallenzombies = {0, "sv_gameplayfix_blowupfallenzombies", "1", "causes findradius to detect SOLID_NOT entities such as zombies and corpses on the floor, allowing splash damage to apply to them"};
  98 cvar_t sv_gameplayfix_consistentplayerprethink = {0, "sv_gameplayfix_consistentplayerprethink", "0", "improves fairness in multiplayer by running all PlayerPreThink functions (which fire weapons) before performing physics, then runing all PlayerPostThink functions"};
  99 cvar_t sv_gameplayfix_delayprojectiles = {0, "sv_gameplayfix_delayprojectiles", "1", "causes entities to not move on the same frame they are spawned, meaning that projectiles wait until the next frame to perform their first move, giving proper interpolation and rocket trails, but making weapons harder to use at low framerates"};
 100 cvar_t sv_gameplayfix_droptofloorstartsolid = {0, "sv_gameplayfix_droptofloorstartsolid", "1", "prevents items and monsters that start in a solid area from falling out of the level (makes droptofloor treat trace_startsolid as an acceptable outcome)"};
 101 cvar_t sv_gameplayfix_droptofloorstartsolid_nudgetocorrect = {0, "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect", "1", "tries to nudge stuck items and monsters out of walls before droptofloor is performed"};
 102 cvar_t sv_gameplayfix_easierwaterjump = {0, "sv_gameplayfix_easierwaterjump", "1", "changes water jumping to make it easier to get out of water (exactly like in QuakeWorld)"};
 103 cvar_t sv_gameplayfix_findradiusdistancetobox = {0, "sv_gameplayfix_findradiusdistancetobox", "1", "causes findradius to check the distance to the corner of a box rather than the center of the box, makes findradius detect bmodels such as very large doors that would otherwise be unaffected by splash damage"};
 104 cvar_t sv_gameplayfix_gravityunaffectedbyticrate = {0, "sv_gameplayfix_gravityunaffectedbyticrate", "0", "fix some ticrate issues in physics."};
 105 cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
 106 cvar_t sv_gameplayfix_multiplethinksperframe = {0, "sv_gameplayfix_multiplethinksperframe", "1", "allows entities to think more often than the server framerate, primarily useful for very high fire rate weapons"};
 107 cvar_t sv_gameplayfix_noairborncorpse = {0, "sv_gameplayfix_noairborncorpse", "1", "causes entities (corpses, items, etc) sitting ontop of moving entities (players) to fall when the moving entity (player) is no longer supporting them"};
 108 cvar_t sv_gameplayfix_noairborncorpse_allowsuspendeditems = {0, "sv_gameplayfix_noairborncorpse_allowsuspendeditems", "1", "causes entities sitting ontop of objects that are instantaneously remove to float in midair (special hack to allow a common level design trick for floating items)"};
 109 cvar_t sv_gameplayfix_nudgeoutofsolid = {0, "sv_gameplayfix_nudgeoutofsolid", "1", "attempts to fix physics errors (where an object ended up in solid for some reason)"};
 110 cvar_t sv_gameplayfix_nudgeoutofsolid_bias = {0, "sv_gameplayfix_nudgeoutofsolid_bias", "0", "over-correction on nudgeoutofsolid logic, to prevent constant contact"};
 111 cvar_t sv_gameplayfix_q2airaccelerate = {0, "sv_gameplayfix_q2airaccelerate", "0", "Quake2-style air acceleration"};
 112 cvar_t sv_gameplayfix_nogravityonground = {0, "sv_gameplayfix_nogravityonground", "0", "turn off gravity when on ground (to get rid of sliding)"};
 113 cvar_t sv_gameplayfix_setmodelrealbox = {0, "sv_gameplayfix_setmodelrealbox", "1", "fixes a bug in Quake that made setmodel always set the entity box to ('-16 -16 -16', '16 16 16') rather than properly checking the model box, breaks some poorly coded mods"};
 114 cvar_t sv_gameplayfix_slidemoveprojectiles = {0, "sv_gameplayfix_slidemoveprojectiles", "1", "allows MOVETYPE_FLY/FLYMISSILE/TOSS/BOUNCE/BOUNCEMISSILE entities to finish their move in a frame even if they hit something, fixes 'gravity accumulation' bug for grenades on steep slopes"};
 115 cvar_t sv_gameplayfix_stepdown = {0, "sv_gameplayfix_stepdown", "0", "attempts to step down stairs, not just up them (prevents the familiar thud..thud..thud.. when running down stairs and slopes)"};
 116 cvar_t sv_gameplayfix_stepwhilejumping = {0, "sv_gameplayfix_stepwhilejumping", "1", "applies step-up onto a ledge even while airborn, useful if you would otherwise just-miss the floor when running across small areas with gaps (for instance running across the moving platforms in dm2, or jumping to the megahealth and red armor in dm2 rather than using the bridge)"};
 117 cvar_t sv_gameplayfix_stepmultipletimes = {0, "sv_gameplayfix_stepmultipletimes", "0", "applies step-up onto a ledge more than once in a single frame, when running quickly up stairs"};
 118 cvar_t sv_gameplayfix_swiminbmodels = {0, "sv_gameplayfix_swiminbmodels", "1", "causes pointcontents (used to determine if you are in a liquid) to check bmodel entities as well as the world model, so you can swim around in (possibly moving) water bmodel entities"};
 119 cvar_t sv_gameplayfix_upwardvelocityclearsongroundflag = {0, "sv_gameplayfix_upwardvelocityclearsongroundflag", "1", "prevents monsters, items, and most other objects from being stuck to the floor when pushed around by damage, and other situations in mods"};
 120 cvar_t sv_gameplayfix_downtracesupportsongroundflag = {0, "sv_gameplayfix_downtracesupportsongroundflag", "1", "prevents very short moves from clearing onground (which may make the player stick to the floor at high netfps)"};
 121 cvar_t sv_gravity = {CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
 122 cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
 123 cvar_t sv_jumpstep = {CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping (sv_gameplayfix_stepwhilejumping must also be 1)"};
 124 cvar_t sv_jumpvelocity = {0, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
 125 cvar_t sv_maxairspeed = {0, "sv_maxairspeed", "30", "maximum speed a player can accelerate to when airborn (note that it is possible to completely stop by moving the opposite direction)"};
 126 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
 127 cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
 128 cvar_t sv_maxvelocity = {CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
 129 cvar_t sv_nostep = {CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
 130 cvar_t sv_playerphysicsqc = {CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
 131 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
 132 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
 133 cvar_t sv_random_seed = {0, "sv_random_seed", "", "random seed; when set, on every map start this random seed is used to initialize the random number generator. Don't touch it unless for benchmarking or debugging"};
 134 cvar_t sv_ratelimitlocalplayer = {0, "sv_ratelimitlocalplayer", "0", "whether to apply rate limiting to the local player in a listen server (only useful for testing)"};
 135 cvar_t sv_sound_land = {0, "sv_sound_land", "demon/dland2.wav", "sound to play when MOVETYPE_STEP entity hits the ground at high speed (empty cvar disables the sound)"};
 136 cvar_t sv_sound_watersplash = {0, "sv_sound_watersplash", "misc/h2ohit1.wav", "sound to play when MOVETYPE_FLY/TOSS/BOUNCE/STEP entity enters or leaves water (empty cvar disables the sound)"};
 137 cvar_t sv_stepheight = {CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
 138 cvar_t sv_stopspeed = {CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
 139 cvar_t sv_wallfriction = {CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
 140 cvar_t sv_wateraccelerate = {0, "sv_wateraccelerate", "-1", "rate at which a player accelerates to sv_maxspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
 141 cvar_t sv_waterfriction = {CVAR_NOTIFY, "sv_waterfriction","-1", "how fast you slow down, if less than 0 the sv_friction variable is used instead"};
 142 cvar_t sv_warsowbunny_airforwardaccel = {0, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
 143 cvar_t sv_warsowbunny_accel = {0, "sv_warsowbunny_accel", "0.1585", "how fast you accelerate until after reaching sv_maxspeed (it gets harder as you near sv_warsowbunny_topspeed)"};
 144 cvar_t sv_warsowbunny_topspeed = {0, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
 145 cvar_t sv_warsowbunny_turnaccel = {0, "sv_warsowbunny_turnaccel", "0", "max sharpness of turns (also master switch for the sv_warsowbunny_* mode; set this to 9 to enable)"};
 146 cvar_t sv_warsowbunny_backtosideratio = {0, "sv_warsowbunny_backtosideratio", "0.8", "lower values make it easier to change direction without losing speed; the drawback is \"understeering\" in sharp turns"};
 147 cvar_t sv_onlycsqcnetworking = {0, "sv_onlycsqcnetworking", "0", "disables legacy entity networking code for higher performance (except on clients, which can still be legacy)"};
 148 cvar_t sys_ticrate = {CVAR_SAVE, "sys_ticrate","0.0138889", "how long a server frame is in seconds, 0.05 is 20fps server rate, 0.1 is 10fps (can not be set higher than 0.1), 0 runs as many server frames as possible (makes games against bots a little smoother, overwhelms network players), 0.0138889 matches QuakeWorld physics"};
 149 cvar_t teamplay = {CVAR_NOTIFY, "teamplay","0", "teamplay mode, values depend on mod but typically 0 = no teams, 1 = no team damage no self damage, 2 = team damage and self damage, some mods support 3 = no team damage but can damage self"};
 150 cvar_t timelimit = {CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
 151
 152 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 153 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 154 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 155 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 156 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 157 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
 158 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
 159 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
 160 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
 161 cvar_t temp1 = {0, "temp1","0", "general cvar for mods to use, in stock id1 this selects which death animation to use on players (0 = random death, other values select specific death scenes)"};
 162
 163 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
 164 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
 165 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
 166 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
 167 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
 168 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
 169 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
 170 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
 171 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
 172 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
 173 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
 174 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
 175 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
 176 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
 177 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
 178 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
 179 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
 180 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
 181 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
 182 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
 183 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
 184
 185 cvar_t sv_autodemo_perclient = {CVAR_SAVE, "sv_autodemo_perclient", "0", "set to 1 to enable autorecorded per-client demos (they'll start to record at the beginning of a match); set it to 2 to also record client->server packets (for debugging)"};
 186 cvar_t sv_autodemo_perclient_nameformat = {CVAR_SAVE, "sv_autodemo_perclient_nameformat", "sv_autodemos/%Y-%m-%d_%H-%M", "The format of the sv_autodemo_perclient filename, followed by the map name, the client number and the IP address + port number, separated by underscores (the date is encoded using strftime escapes)" };
 187 cvar_t sv_autodemo_perclient_discardable = {CVAR_SAVE, "sv_autodemo_perclient_discardable", "0", "Allow game code to decide whether a demo should be kept or discarded."};
 188
 189 cvar_t halflifebsp = {0, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
 190
 191 server_t sv;
 192 server_static_t svs;
 193
 194 mempool_t *sv_mempool = NULL;
 195
 196 extern cvar_t slowmo;
 197 extern float            scr_centertime_off;
 198
 199 // MUST match effectnameindex_t in client.h
 200 static const char *standardeffectnames[EFFECT_TOTAL] =
 201 {
 202         "",
 203         "TE_GUNSHOT",
 204         "TE_GUNSHOTQUAD",
 205         "TE_SPIKE",
 206         "TE_SPIKEQUAD",
 207         "TE_SUPERSPIKE",
 208         "TE_SUPERSPIKEQUAD",
 209         "TE_WIZSPIKE",
 210         "TE_KNIGHTSPIKE",
 211         "TE_EXPLOSION",
 212         "TE_EXPLOSIONQUAD",
 213         "TE_TAREXPLOSION",
 214         "TE_TELEPORT",
 215         "TE_LAVASPLASH",
 216         "TE_SMALLFLASH",
 217         "TE_FLAMEJET",
 218         "EF_FLAME",
 219         "TE_BLOOD",
 220         "TE_SPARK",
 221         "TE_PLASMABURN",
 222         "TE_TEI_G3",
 223         "TE_TEI_SMOKE",
 224         "TE_TEI_BIGEXPLOSION",
 225         "TE_TEI_PLASMAHIT",
 226         "EF_STARDUST",
 227         "TR_ROCKET",
 228         "TR_GRENADE",
 229         "TR_BLOOD",
 230         "TR_WIZSPIKE",
 231         "TR_SLIGHTBLOOD",
 232         "TR_KNIGHTSPIKE",
 233         "TR_VORESPIKE",
 234         "TR_NEHAHRASMOKE",
 235         "TR_NEXUIZPLASMA",
 236         "TR_GLOWTRAIL",
 237         "SVC_PARTICLE"
 238 };
 239
 240 #define REQFIELDS (sizeof(reqfields) / sizeof(prvm_required_field_t))
 241
 242 prvm_required_field_t reqfields[] =
 243 {
 244         {ev_entity, "cursor_trace_ent"},
 245         {ev_entity, "drawonlytoclient"},
 246         {ev_entity, "exteriormodeltoclient"},
 247         {ev_entity, "nodrawtoclient"},
 248         {ev_entity, "tag_entity"},
 249         {ev_entity, "viewmodelforclient"},
 250         {ev_float, "SendFlags"},
 251         {ev_float, "Version"},
 252         {ev_float, "alpha"},
 253         {ev_float, "ammo_cells1"},
 254         {ev_float, "ammo_lava_nails"},
 255         {ev_float, "ammo_multi_rockets"},
 256         {ev_float, "ammo_nails1"},
 257         {ev_float, "ammo_plasma"},
 258         {ev_float, "ammo_rockets1"},
 259         {ev_float, "ammo_shells1"},
 260         {ev_float, "button3"},
 261         {ev_float, "button4"},
 262         {ev_float, "button5"},
 263         {ev_float, "button6"},
 264         {ev_float, "button7"},
 265         {ev_float, "button8"},
 266         {ev_float, "button9"},
 267         {ev_float, "button10"},
 268         {ev_float, "button11"},
 269         {ev_float, "button12"},
 270         {ev_float, "button13"},
 271         {ev_float, "button14"},
 272         {ev_float, "button15"},
 273         {ev_float, "button16"},
 274         {ev_float, "buttonchat"},
 275         {ev_float, "buttonuse"},
 276         {ev_float, "clientcolors"},
 277         {ev_float, "cursor_active"},
 278         {ev_float, "disableclientprediction"},
 279         {ev_float, "fullbright"},
 280         {ev_float, "glow_color"},
 281         {ev_float, "glow_size"},
 282         {ev_float, "glow_trail"},
 283         {ev_float, "gravity"},
 284         {ev_float, "idealpitch"},
 285         {ev_float, "items2"},
 286         {ev_float, "light_lev"},
 287         {ev_float, "modelflags"},
 288         {ev_float, "pflags"},
 289         {ev_float, "ping"},
 290         {ev_float, "pitch_speed"},
 291         {ev_float, "pmodel"},
 292         {ev_float, "renderamt"}, // HalfLife support
 293         {ev_float, "rendermode"}, // HalfLife support
 294         {ev_float, "scale"},
 295         {ev_float, "style"},
 296         {ev_float, "tag_index"},
 297         {ev_float, "viewzoom"},
 298         {ev_function, "SendEntity"},
 299         {ev_function, "contentstransition"}, // DRESK - Support for Entity Contents Transition Event
 300         {ev_function, "customizeentityforclient"},
 301         {ev_function, "movetypesteplandevent"}, // DRESK - Support for MOVETYPE_STEP Entity Land Event
 302         {ev_string, "netaddress"},
 303         {ev_string, "playermodel"},
 304         {ev_string, "playerskin"},
 305         {ev_vector, "color"},
 306         {ev_vector, "colormod"},
 307         {ev_vector, "cursor_screen"},
 308         {ev_vector, "cursor_trace_endpos"},
 309         {ev_vector, "cursor_trace_start"},
 310         {ev_vector, "glowmod"},
 311         {ev_vector, "movement"},
 312         {ev_vector, "punchvector"},
 313
 314         // physics
 315         //{ev_float, "solid"},
 316         //{ev_float, "movetype"},
 317         //{ev_float, "modelindex"},
 318         {ev_vector, "mass"},
 319         //{ev_vector, "origin"},
 320         //{ev_vector, "velocity"},
 321         //{ev_vector, "axis_forward"},
 322         //{ev_vector, "axis_left"},
 323         //{ev_vector, "axis_up"},
 324         //{ev_vector, "spinvelocity"},
 325         //{ev_vector, "angles"},
 326         //{ev_vector, "avelocity"},
 327
 328 };
 329
 330
 331
 332 //============================================================================
 333
 334 void SV_AreaStats_f(void)
 335 {
 336         World_PrintAreaStats(&sv.world, "server");
 337 }
 338
 339 /*
 340 ===============
 341 SV_Init
 342 ===============
 343 */
 344 void SV_Init (void)
 345 {
 346         // init the csqc progs cvars, since they are updated/used by the server code
 347         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
 348         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
 349         extern cvar_t csqc_progcrc;
 350         extern cvar_t csqc_progsize;
 351
 352         Cvar_RegisterVariable(&sv_worldmessage);
 353         Cvar_RegisterVariable(&sv_worldname);
 354         Cvar_RegisterVariable(&sv_worldnamenoextension);
 355         Cvar_RegisterVariable(&sv_worldbasename);
 356
 357         Cvar_RegisterVariable (&csqc_progname);
 358         Cvar_RegisterVariable (&csqc_progcrc);
 359         Cvar_RegisterVariable (&csqc_progsize);
 360
 361         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
 362         Cmd_AddCommand("sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
 363         Cmd_AddCommand_WithClientCommand("sv_startdownload", NULL, SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
 364         Cmd_AddCommand_WithClientCommand("download", NULL, SV_Download_f, "downloads a specified file from the server");
 365
 366         Cvar_RegisterVariable (&coop);
 367         Cvar_RegisterVariable (&deathmatch);
 368         Cvar_RegisterVariable (&fraglimit);
 369         Cvar_RegisterVariable (&gamecfg);
 370         Cvar_RegisterVariable (&noexit);
 371         Cvar_RegisterVariable (&nomonsters);
 372         Cvar_RegisterVariable (&pausable);
 373         Cvar_RegisterVariable (&pr_checkextension);
 374         Cvar_RegisterVariable (&samelevel);
 375         Cvar_RegisterVariable (&skill);
 376         Cvar_RegisterVariable (&slowmo);
 377         Cvar_RegisterVariable (&sv_accelerate);
 378         Cvar_RegisterVariable (&sv_aim);
 379         Cvar_RegisterVariable (&sv_airaccel_qw);
 380         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
 381         Cvar_RegisterVariable (&sv_airaccelerate);
 382         Cvar_RegisterVariable (&sv_airstopaccelerate);
 383         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
 384         Cvar_RegisterVariable (&sv_maxairstrafespeed);
 385         Cvar_RegisterVariable (&sv_airstrafeaccel_qw);
 386         Cvar_RegisterVariable (&sv_airspeedlimit_nonqw);
 387         Cvar_RegisterVariable (&sv_aircontrol);
 388         Cvar_RegisterVariable (&sv_aircontrol_power);
 389         Cvar_RegisterVariable (&sv_aircontrol_penalty);
 390         Cvar_RegisterVariable (&sv_allowdownloads);
 391         Cvar_RegisterVariable (&sv_allowdownloads_archive);
 392         Cvar_RegisterVariable (&sv_allowdownloads_config);
 393         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
 394         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
 395         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
 396         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
 397         Cvar_RegisterVariable (&sv_clmovement_enable);
 398         Cvar_RegisterVariable (&sv_clmovement_minping);
 399         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
 400         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
 401         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
 402         Cvar_RegisterVariable (&sv_cullentities_pvs);
 403         Cvar_RegisterVariable (&sv_cullentities_stats);
 404         Cvar_RegisterVariable (&sv_cullentities_trace);
 405         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
 406         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
 407         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
 408         Cvar_RegisterVariable (&sv_cullentities_trace_entityocclusion);
 409         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
 410         Cvar_RegisterVariable (&sv_cullentities_trace_prediction_time);
 411         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
 412         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
 413         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
 414         Cvar_RegisterVariable (&sv_debugmove);
 415         Cvar_RegisterVariable (&sv_echobprint);
 416         Cvar_RegisterVariable (&sv_edgefriction);
 417         Cvar_RegisterVariable (&sv_entpatch);
 418         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
 419         Cvar_RegisterVariable (&sv_freezenonclients);
 420         Cvar_RegisterVariable (&sv_friction);
 421         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
 422         Cvar_RegisterVariable (&sv_gameplayfix_consistentplayerprethink);
 423         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
 424         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
 425         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
 426         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
 427         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
 428         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
 429         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
 430         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
 431         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
 432         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
 433         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid);
 434         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid_bias);
 435         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
 436         Cvar_RegisterVariable (&sv_gameplayfix_nogravityonground);
 437         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
 438         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
 439         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
 440         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
 441         Cvar_RegisterVariable (&sv_gameplayfix_stepmultipletimes);
 442         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
 443         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
 444         Cvar_RegisterVariable (&sv_gameplayfix_downtracesupportsongroundflag);
 445         Cvar_RegisterVariable (&sv_gravity);
 446         Cvar_RegisterVariable (&sv_idealpitchscale);
 447         Cvar_RegisterVariable (&sv_jumpstep);
 448         Cvar_RegisterVariable (&sv_jumpvelocity);
 449         Cvar_RegisterVariable (&sv_maxairspeed);
 450         Cvar_RegisterVariable (&sv_maxrate);
 451         Cvar_RegisterVariable (&sv_maxspeed);
 452         Cvar_RegisterVariable (&sv_maxvelocity);
 453         Cvar_RegisterVariable (&sv_nostep);
 454         Cvar_RegisterVariable (&sv_playerphysicsqc);
 455         Cvar_RegisterVariable (&sv_progs);
 456         Cvar_RegisterVariable (&sv_protocolname);
 457         Cvar_RegisterVariable (&sv_random_seed);
 458         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
 459         Cvar_RegisterVariable (&sv_sound_land);
 460         Cvar_RegisterVariable (&sv_sound_watersplash);
 461         Cvar_RegisterVariable (&sv_stepheight);
 462         Cvar_RegisterVariable (&sv_stopspeed);
 463         Cvar_RegisterVariable (&sv_wallfriction);
 464         Cvar_RegisterVariable (&sv_wateraccelerate);
 465         Cvar_RegisterVariable (&sv_waterfriction);
 466         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
 467         Cvar_RegisterVariable (&sv_warsowbunny_accel);
 468         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
 469         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
 470         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
 471         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
 472         Cvar_RegisterVariable (&sys_ticrate);
 473         Cvar_RegisterVariable (&teamplay);
 474         Cvar_RegisterVariable (&timelimit);
 475
 476         Cvar_RegisterVariable (&saved1);
 477         Cvar_RegisterVariable (&saved2);
 478         Cvar_RegisterVariable (&saved3);
 479         Cvar_RegisterVariable (&saved4);
 480         Cvar_RegisterVariable (&savedgamecfg);
 481         Cvar_RegisterVariable (&scratch1);
 482         Cvar_RegisterVariable (&scratch2);
 483         Cvar_RegisterVariable (&scratch3);
 484         Cvar_RegisterVariable (&scratch4);
 485         Cvar_RegisterVariable (&temp1);
 486
 487         // LordHavoc: Nehahra uses these to pass data around cutscene demos
 488         if (gamemode == GAME_NEHAHRA)
 489         {
 490                 Cvar_RegisterVariable (&nehx00);
 491                 Cvar_RegisterVariable (&nehx01);
 492                 Cvar_RegisterVariable (&nehx02);
 493                 Cvar_RegisterVariable (&nehx03);
 494                 Cvar_RegisterVariable (&nehx04);
 495                 Cvar_RegisterVariable (&nehx05);
 496                 Cvar_RegisterVariable (&nehx06);
 497                 Cvar_RegisterVariable (&nehx07);
 498                 Cvar_RegisterVariable (&nehx08);
 499                 Cvar_RegisterVariable (&nehx09);
 500                 Cvar_RegisterVariable (&nehx10);
 501                 Cvar_RegisterVariable (&nehx11);
 502                 Cvar_RegisterVariable (&nehx12);
 503                 Cvar_RegisterVariable (&nehx13);
 504                 Cvar_RegisterVariable (&nehx14);
 505                 Cvar_RegisterVariable (&nehx15);
 506                 Cvar_RegisterVariable (&nehx16);
 507                 Cvar_RegisterVariable (&nehx17);
 508                 Cvar_RegisterVariable (&nehx18);
 509                 Cvar_RegisterVariable (&nehx19);
 510         }
 511         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
 512
 513         Cvar_RegisterVariable (&sv_autodemo_perclient);
 514         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
 515         Cvar_RegisterVariable (&sv_autodemo_perclient_discardable);
 516
 517         Cvar_RegisterVariable (&halflifebsp);
 518
 519         // any special defaults for gamemodes go here
 520         if (gamemode == GAME_NEHAHRA)
 521         {
 522                 // Nehahra pushable crates malfunction in some levels if this is on
 523                 Cvar_SetValueQuick (&sv_gameplayfix_upwardvelocityclearsongroundflag, 0);
 524                 // Nehahra NPC AI is confused by this feature
 525                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
 526         }
 527         if (gamemode == GAME_HIPNOTIC)
 528         {
 529                 // hipnotic mission pack has issues in their 'friendly monster' ai, which seem to attempt to attack themselves for some reason when findradius() returns non-solid entities.
 530                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
 531                 // hipnotic mission pack has issues with bobbing water entities 'jittering' between different heights on alternate frames at the default 0.0138889 ticrate, 0.02 avoids this issue
 532                 Cvar_SetValueQuick (&sys_ticrate, 0.02);
 533                 // hipnotic mission pack has issues in their proximity mine sticking code, which causes them to bounce off.
 534                 Cvar_SetValueQuick (&sv_gameplayfix_slidemoveprojectiles, 0);
 535         }
 536         if (gamemode == GAME_ROGUE)
 537         {
 538                 // rogue mission pack has a guardian boss that does not wake up if findradius returns one of the entities around its spawn area
 539                 Cvar_SetValueQuick (&sv_gameplayfix_findradiusdistancetobox, 0);
 540         }
 541         if (gamemode == GAME_NEXUIZ)
 542         {
 543                 Cvar_SetValueQuick (&sv_gameplayfix_q2airaccelerate, 1);
 544                 Cvar_SetValueQuick (&sv_gameplayfix_stepmultipletimes, 1);
 545         }
 546
 547         sv_mempool = Mem_AllocPool("server", 0, NULL);
 548 }
 549
 550 static void SV_SaveEntFile_f(void)
 551 {
 552         if (!sv.active || !sv.worldmodel)
 553         {
 554                 Con_Print("Not running a server\n");
 555                 return;
 556         }
 557         FS_WriteFile(va("%s.ent", sv.worldnamenoextension), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
 558 }
 559
 560
 561 /*
 562 =============================================================================
 563
 564 EVENT MESSAGES
 565
 566 =============================================================================
 567 */
 568
 569 /*
 570 ==================
 571 SV_StartParticle
 572
 573 Make sure the event gets sent to all clients
 574 ==================
 575 */
 576 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 577 {
 578         int i;
 579
 580         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 581                 return;
 582         MSG_WriteByte (&sv.datagram, svc_particle);
 583         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 584         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 585         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 586         for (i=0 ; i<3 ; i++)
 587                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
 588         MSG_WriteByte (&sv.datagram, count);
 589         MSG_WriteByte (&sv.datagram, color);
 590         SV_FlushBroadcastMessages();
 591 }
 592
 593 /*
 594 ==================
 595 SV_StartEffect
 596
 597 Make sure the event gets sent to all clients
 598 ==================
 599 */
 600 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 601 {
 602         if (modelindex >= 256 || startframe >= 256)
 603         {
 604                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 605                         return;
 606                 MSG_WriteByte (&sv.datagram, svc_effect2);
 607                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 608                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 609                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 610                 MSG_WriteShort (&sv.datagram, modelindex);
 611                 MSG_WriteShort (&sv.datagram, startframe);
 612                 MSG_WriteByte (&sv.datagram, framecount);
 613                 MSG_WriteByte (&sv.datagram, framerate);
 614         }
 615         else
 616         {
 617                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 618                         return;
 619                 MSG_WriteByte (&sv.datagram, svc_effect);
 620                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 621                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 622                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 623                 MSG_WriteByte (&sv.datagram, modelindex);
 624                 MSG_WriteByte (&sv.datagram, startframe);
 625                 MSG_WriteByte (&sv.datagram, framecount);
 626                 MSG_WriteByte (&sv.datagram, framerate);
 627         }
 628         SV_FlushBroadcastMessages();
 629 }
 630
 631 /*
 632 ==================
 633 SV_StartSound
 634
 635 Each entity can have eight independant sound sources, like voice,
 636 weapon, feet, etc.
 637
 638 Channel 0 is an auto-allocate channel, the others override anything
 639 already running on that entity/channel pair.
 640
 641 An attenuation of 0 will play full volume everywhere in the level.
 642 Larger attenuations will drop off.  (max 4 attenuation)
 643
 644 ==================
 645 */
 646 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation)
 647 {
 648         int sound_num, field_mask, i, ent;
 649
 650         if (volume < 0 || volume > 255)
 651         {
 652                 Con_Printf ("SV_StartSound: volume = %i\n", volume);
 653                 return;
 654         }
 655
 656         if (attenuation < 0 || attenuation > 4)
 657         {
 658                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
 659                 return;
 660         }
 661
 662         if (channel < 0 || channel > 7)
 663         {
 664                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
 665                 return;
 666         }
 667
 668         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 669                 return;
 670
 671 // find precache number for sound
 672         sound_num = SV_SoundIndex(sample, 1);
 673         if (!sound_num)
 674                 return;
 675
 676         ent = PRVM_NUM_FOR_EDICT(entity);
 677
 678         field_mask = 0;
 679         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 680                 field_mask |= SND_VOLUME;
 681         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 682                 field_mask |= SND_ATTENUATION;
 683         if (ent >= 8192)
 684                 field_mask |= SND_LARGEENTITY;
 685         if (sound_num >= 256 || channel >= 8)
 686                 field_mask |= SND_LARGESOUND;
 687
 688 // directed messages go only to the entity they are targeted on
 689         MSG_WriteByte (&sv.datagram, svc_sound);
 690         MSG_WriteByte (&sv.datagram, field_mask);
 691         if (field_mask & SND_VOLUME)
 692                 MSG_WriteByte (&sv.datagram, volume);
 693         if (field_mask & SND_ATTENUATION)
 694                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 695         if (field_mask & SND_LARGEENTITY)
 696         {
 697                 MSG_WriteShort (&sv.datagram, ent);
 698                 MSG_WriteByte (&sv.datagram, channel);
 699         }
 700         else
 701                 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
 702         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
 703                 MSG_WriteShort (&sv.datagram, sound_num);
 704         else
 705                 MSG_WriteByte (&sv.datagram, sound_num);
 706         for (i = 0;i < 3;i++)
 707                 MSG_WriteCoord (&sv.datagram, entity->fields.server->origin[i]+0.5*(entity->fields.server->mins[i]+entity->fields.server->maxs[i]), sv.protocol);
 708         SV_FlushBroadcastMessages();
 709 }
 710
 711 /*
 712 ==================
 713 SV_StartPointSound
 714
 715 Nearly the same logic as SV_StartSound, except an origin
 716 instead of an entity is provided and channel is omitted.
 717
 718 The entity sent to the client is 0 (world) and the channel
 719 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
 720 function, therefore the check for it is omitted.
 721
 722 ==================
 723 */
 724 void SV_StartPointSound (vec3_t origin, const char *sample, int volume, float attenuation)
 725 {
 726         int sound_num, field_mask, i;
 727
 728         if (volume < 0 || volume > 255)
 729         {
 730                 Con_Printf ("SV_StartPointSound: volume = %i\n", volume);
 731                 return;
 732         }
 733
 734         if (attenuation < 0 || attenuation > 4)
 735         {
 736                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
 737                 return;
 738         }
 739
 740         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 741                 return;
 742
 743         // find precache number for sound
 744         sound_num = SV_SoundIndex(sample, 1);
 745         if (!sound_num)
 746                 return;
 747
 748         field_mask = 0;
 749         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 750                 field_mask |= SND_VOLUME;
 751         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 752                 field_mask |= SND_ATTENUATION;
 753         if (sound_num >= 256)
 754                 field_mask |= SND_LARGESOUND;
 755
 756 // directed messages go only to the entity they are targeted on
 757         MSG_WriteByte (&sv.datagram, svc_sound);
 758         MSG_WriteByte (&sv.datagram, field_mask);
 759         if (field_mask & SND_VOLUME)
 760                 MSG_WriteByte (&sv.datagram, volume);
 761         if (field_mask & SND_ATTENUATION)
 762                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 763         // Always write entnum 0 for the world entity
 764         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
 765         if (field_mask & SND_LARGESOUND)
 766                 MSG_WriteShort (&sv.datagram, sound_num);
 767         else
 768                 MSG_WriteByte (&sv.datagram, sound_num);
 769         for (i = 0;i < 3;i++)
 770                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
 771         SV_FlushBroadcastMessages();
 772 }
 773
 774 /*
 775 ==============================================================================
 776
 777 CLIENT SPAWNING
 778
 779 ==============================================================================
 780 */
 781
 782 /*
 783 ================
 784 SV_SendServerinfo
 785
 786 Sends the first message from the server to a connected client.
 787 This will be sent on the initial connection and upon each server load.
 788 ================
 789 */
 790 void SV_SendServerinfo (client_t *client)
 791 {
 792         int i;
 793         char message[128];
 794
 795         // we know that this client has a netconnection and thus is not a bot
 796
 797         // edicts get reallocated on level changes, so we need to update it here
 798         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
 799
 800         // clear cached stuff that depends on the level
 801         client->weaponmodel[0] = 0;
 802         client->weaponmodelindex = 0;
 803
 804         // LordHavoc: clear entityframe tracking
 805         client->latestframenum = 0;
 806
 807         // initialize the movetime, so a speedhack can't make use of the time before this client joined
 808         client->cmd.time = sv.time;
 809
 810         if (client->entitydatabase)
 811                 EntityFrame_FreeDatabase(client->entitydatabase);
 812         if (client->entitydatabase4)
 813                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 814         if (client->entitydatabase5)
 815                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 816
 817         memset(client->stats, 0, sizeof(client->stats));
 818         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
 819
 820         if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE && sv.protocol != PROTOCOL_NEHAHRABJP && sv.protocol != PROTOCOL_NEHAHRABJP2 && sv.protocol != PROTOCOL_NEHAHRABJP3)
 821         {
 822                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 823                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
 824                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
 825                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
 826                 else
 827                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
 828         }
 829
 830         // reset csqc entity versions
 831         for (i = 0;i < prog->max_edicts;i++)
 832         {
 833                 client->csqcentityscope[i] = 0;
 834                 client->csqcentitysendflags[i] = 0xFFFFFF;
 835                 client->csqcentityglobalhistory[i] = 0;
 836         }
 837         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
 838         {
 839                 client->csqcentityframehistory[i].num = 0;
 840                 client->csqcentityframehistory[i].framenum = -1;
 841         }
 842         client->csqcnumedicts = 0;
 843         client->csqcentityframehistory_next = 0;
 844
 845         SZ_Clear (&client->netconnection->message);
 846         MSG_WriteByte (&client->netconnection->message, svc_print);
 847         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)\n", gamename, buildstring, prog->filecrc);
 848         MSG_WriteString (&client->netconnection->message,message);
 849
 850         SV_StopDemoRecording(client); // to split up demos into different files
 851         if(sv_autodemo_perclient.integer && client->netconnection)
 852         {
 853                 char demofile[MAX_OSPATH];
 854                 char ipaddress[MAX_QPATH];
 855                 size_t i;
 856
 857                 // start a new demo file
 858                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
 859                 for(i = 0; ipaddress[i]; ++i)
 860                         if(!isalnum(ipaddress[i]))
 861                                 ipaddress[i] = '-';
 862                 dpsnprintf (demofile, sizeof(demofile), "%s_%s_%d_%s.dem", Sys_TimeString (sv_autodemo_perclient_nameformat.string), sv.worldbasename, PRVM_NUM_FOR_EDICT(client->edict), ipaddress);
 863
 864                 SV_StartDemoRecording(client, demofile, -1);
 865         }
 866
 867         //[515]: init csprogs according to version of svprogs, check the crc, etc.
 868         if (sv.csqc_progname[0])
 869         {
 870                 prvm_eval_t *val;
 871                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
 872                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 873                 MSG_WriteString (&client->netconnection->message, va("csqc_progname %s\n", sv.csqc_progname));
 874                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 875                 MSG_WriteString (&client->netconnection->message, va("csqc_progsize %i\n", sv.csqc_progsize));
 876                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 877                 MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i\n", sv.csqc_progcrc));
 878
 879                 if(client->sv_demo_file != NULL)
 880                 {
 881                         int i;
 882                         static char buf[NET_MAXMESSAGE];
 883                         sizebuf_t sb;
 884
 885                         sb.data = (unsigned char *) buf;
 886                         sb.maxsize = sizeof(buf);
 887                         i = 0;
 888                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, i++, &sb, sv.protocol))
 889                                 SV_WriteDemoMessage(client, &sb, false);
 890                 }
 891
 892                 //[515]: init stufftext string (it is sent before svc_serverinfo)
 893                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.SV_InitCmd);
 894                 if (val)
 895                 {
 896                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 897                         MSG_WriteString (&client->netconnection->message, va("%s\n", PRVM_GetString(val->string)));
 898                 }
 899         }
 900
 901         //if (sv_allowdownloads.integer)
 902         // always send the info that the server supports the protocol, even if downloads are forbidden
 903         // only because of that, the CSQC exception can work
 904         {
 905                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 906                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
 907         }
 908
 909         // send at this time so it's guaranteed to get executed at the right time
 910         {
 911                 client_t *save;
 912                 save = host_client;
 913                 host_client = client;
 914                 Curl_SendRequirements();
 915                 host_client = save;
 916         }
 917
 918         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
 919         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
 920         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
 921
 922         if (!coop.integer && deathmatch.integer)
 923                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
 924         else
 925                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
 926
 927         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog->edicts->fields.server->message));
 928
 929         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
 930                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
 931         MSG_WriteByte (&client->netconnection->message, 0);
 932
 933         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
 934                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
 935         MSG_WriteByte (&client->netconnection->message, 0);
 936
 937 // send music
 938         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
 939         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
 940         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
 941
 942 // set view
 943 // store this in clientcamera, too
 944         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
 945         MSG_WriteByte (&client->netconnection->message, svc_setview);
 946         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
 947
 948         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
 949         MSG_WriteByte (&client->netconnection->message, 1);
 950
 951         client->spawned = false;                // need prespawn, spawn, etc
 952         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
 953
 954         // clear movement info until client enters the new level properly
 955         memset(&client->cmd, 0, sizeof(client->cmd));
 956         client->movesequence = 0;
 957         client->movement_highestsequence_seen = 0;
 958         memset(&client->movement_count, 0, sizeof(client->movement_count));
 959 #ifdef NUM_PING_TIMES
 960         for (i = 0;i < NUM_PING_TIMES;i++)
 961                 client->ping_times[i] = 0;
 962         client->num_pings = 0;
 963 #endif
 964         client->ping = 0;
 965
 966         // allow the client some time to send his keepalives, even if map loading took ages
 967         client->netconnection->timeout = realtime + net_connecttimeout.value;
 968 }
 969
 970 /*
 971 ================
 972 SV_ConnectClient
 973
 974 Initializes a client_t for a new net connection.  This will only be called
 975 once for a player each game, not once for each level change.
 976 ================
 977 */
 978 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
 979 {
 980         client_t                *client;
 981         int                             i;
 982         float                   spawn_parms[NUM_SPAWN_PARMS];
 983
 984         client = svs.clients + clientnum;
 985
 986 // set up the client_t
 987         if (sv.loadgame)
 988                 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
 989         memset (client, 0, sizeof(*client));
 990         client->active = true;
 991         client->netconnection = netconnection;
 992
 993         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
 994
 995         if(client->netconnection && client->netconnection->crypto.authenticated)
 996         {
 997                 Con_Printf("%s connection to %s has been established: client is %s@%.*s, I am %.*s@%.*s\n",
 998                                 client->netconnection->crypto.use_aes ? "Encrypted" : "Authenticated",
 999                                 client->netconnection->address,
1000                                 client->netconnection->crypto.client_idfp[0] ? client->netconnection->crypto.client_idfp : "-",
1001                                 crypto_keyfp_recommended_length, client->netconnection->crypto.client_keyfp[0] ? client->netconnection->crypto.client_keyfp : "-",
1002                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_idfp[0] ? client->netconnection->crypto.server_idfp : "-",
1003                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_keyfp[0] ? client->netconnection->crypto.server_keyfp : "-"
1004                                 );
1005         }
1006
1007         strlcpy(client->name, "unconnected", sizeof(client->name));
1008         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
1009         client->spawned = false;
1010         client->edict = PRVM_EDICT_NUM(clientnum+1);
1011         if (client->netconnection)
1012                 client->netconnection->message.allowoverflow = true;            // we can catch it
1013         // prepare the unreliable message buffer
1014         client->unreliablemsg.data = client->unreliablemsg_data;
1015         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
1016         // updated by receiving "rate" command from client, this is also the default if not using a DP client
1017         client->rate = 1000000000;
1018         // no limits for local player
1019         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
1020                 client->rate = 1000000000;
1021         client->connecttime = realtime;
1022
1023         if (sv.loadgame)
1024                 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
1025         else
1026         {
1027                 // call the progs to get default spawn parms for the new client
1028                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
1029                 prog->globals.server->self = 0;
1030                 PRVM_ExecuteProgram (prog->globals.server->SetNewParms, "QC function SetNewParms is missing");
1031                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1032                         client->spawn_parms[i] = (&prog->globals.server->parm1)[i];
1033
1034                 // set up the entity for this client (including .colormap, .team, etc)
1035                 PRVM_ED_ClearEdict(client->edict);
1036         }
1037
1038         // don't call SendServerinfo for a fresh botclient because its fields have
1039         // not been set up by the qc yet
1040         if (client->netconnection)
1041                 SV_SendServerinfo (client);
1042         else
1043                 client->spawned = true;
1044 }
1045
1046
1047 /*
1048 ===============================================================================
1049
1050 FRAME UPDATES
1051
1052 ===============================================================================
1053 */
1054
1055 /*
1056 =============================================================================
1057
1058 The PVS must include a small area around the client to allow head bobbing
1059 or other small motion on the client side.  Otherwise, a bob might cause an
1060 entity that should be visible to not show up, especially when the bob
1061 crosses a waterline.
1062
1063 =============================================================================
1064 */
1065
1066 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1067 {
1068         int i;
1069         unsigned int sendflags;
1070         unsigned int version;
1071         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1072         unsigned int customizeentityforclient;
1073         unsigned int sendentity;
1074         float f;
1075         vec3_t cullmins, cullmaxs;
1076         dp_model_t *model;
1077         prvm_eval_t *val, *val2;
1078
1079         // fast path for games that do not use legacy entity networking
1080         // note: still networks clients even if they are legacy
1081         sendentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendEntity)->function;
1082         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1083                 return false;
1084
1085         // this 2 billion unit check is actually to detect NAN origins
1086         // (we really don't want to send those)
1087         if (!(VectorLength2(ent->fields.server->origin) < 2000000000.0*2000000000.0))
1088                 return false;
1089
1090         // EF_NODRAW prevents sending for any reason except for your own
1091         // client, so we must keep all clients in this superset
1092         effects = (unsigned)ent->fields.server->effects;
1093
1094         // we can omit invisible entities with no effects that are not clients
1095         // LordHavoc: this could kill tags attached to an invisible entity, I
1096         // just hope we never have to support that case
1097         i = (int)ent->fields.server->modelindex;
1098         modelindex = (i >= 1 && i < MAX_MODELS && ent->fields.server->model && *PRVM_GetString(ent->fields.server->model) && sv.models[i]) ? i : 0;
1099
1100         flags = 0;
1101         i = (int)(PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_size)->_float * 0.25f);
1102         glowsize = (unsigned char)bound(0, i, 255);
1103         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_trail)->_float)
1104                 flags |= RENDER_GLOWTRAIL;
1105         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict)
1106                 flags |= RENDER_VIEWMODEL;
1107
1108         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[0]*256;
1109         light[0] = (unsigned short)bound(0, f, 65535);
1110         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[1]*256;
1111         light[1] = (unsigned short)bound(0, f, 65535);
1112         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[2]*256;
1113         light[2] = (unsigned short)bound(0, f, 65535);
1114         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.light_lev)->_float;
1115         light[3] = (unsigned short)bound(0, f, 65535);
1116         lightstyle = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.style)->_float;
1117         lightpflags = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.pflags)->_float;
1118
1119         if (gamemode == GAME_TENEBRAE)
1120         {
1121                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1122                 if (effects & 16)
1123                 {
1124                         effects &= ~16;
1125                         lightpflags |= PFLAGS_FULLDYNAMIC;
1126                 }
1127                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1128                 if (effects & 32)
1129                 {
1130                         effects &= ~32;
1131                         light[0] = (int)(0.2*256);
1132                         light[1] = (int)(1.0*256);
1133                         light[2] = (int)(0.2*256);
1134                         light[3] = 200;
1135                         lightpflags |= PFLAGS_FULLDYNAMIC;
1136                 }
1137         }
1138
1139         specialvisibilityradius = 0;
1140         if (lightpflags & PFLAGS_FULLDYNAMIC)
1141                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1142         if (glowsize)
1143                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1144         if (flags & RENDER_GLOWTRAIL)
1145                 specialvisibilityradius = max(specialvisibilityradius, 100);
1146         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1147         {
1148                 if (effects & EF_BRIGHTFIELD)
1149                         specialvisibilityradius = max(specialvisibilityradius, 80);
1150                 if (effects & EF_MUZZLEFLASH)
1151                         specialvisibilityradius = max(specialvisibilityradius, 100);
1152                 if (effects & EF_BRIGHTLIGHT)
1153                         specialvisibilityradius = max(specialvisibilityradius, 400);
1154                 if (effects & EF_DIMLIGHT)
1155                         specialvisibilityradius = max(specialvisibilityradius, 200);
1156                 if (effects & EF_RED)
1157                         specialvisibilityradius = max(specialvisibilityradius, 200);
1158                 if (effects & EF_BLUE)
1159                         specialvisibilityradius = max(specialvisibilityradius, 200);
1160                 if (effects & EF_FLAME)
1161                         specialvisibilityradius = max(specialvisibilityradius, 250);
1162                 if (effects & EF_STARDUST)
1163                         specialvisibilityradius = max(specialvisibilityradius, 100);
1164         }
1165
1166         // early culling checks
1167         // (final culling is done by SV_MarkWriteEntityStateToClient)
1168         customizeentityforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.customizeentityforclient)->function;
1169         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1170                 return false;
1171
1172         *cs = defaultstate;
1173         cs->active = ACTIVE_NETWORK;
1174         cs->number = enumber;
1175         VectorCopy(ent->fields.server->origin, cs->origin);
1176         VectorCopy(ent->fields.server->angles, cs->angles);
1177         cs->flags = flags;
1178         cs->effects = effects;
1179         cs->colormap = (unsigned)ent->fields.server->colormap;
1180         cs->modelindex = modelindex;
1181         cs->skin = (unsigned)ent->fields.server->skin;
1182         cs->frame = (unsigned)ent->fields.server->frame;
1183         cs->viewmodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict;
1184         cs->exteriormodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.exteriormodeltoclient)->edict;
1185         cs->nodrawtoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.nodrawtoclient)->edict;
1186         cs->drawonlytoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.drawonlytoclient)->edict;
1187         cs->customizeentityforclient = customizeentityforclient;
1188         cs->tagentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_entity)->edict;
1189         cs->tagindex = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_index)->_float;
1190         cs->glowsize = glowsize;
1191
1192         // don't need to init cs->colormod because the defaultstate did that for us
1193         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1194         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.colormod);
1195         if (val->vector[0] || val->vector[1] || val->vector[2])
1196         {
1197                 i = (int)(val->vector[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1198                 i = (int)(val->vector[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1199                 i = (int)(val->vector[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1200         }
1201
1202         // don't need to init cs->glowmod because the defaultstate did that for us
1203         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1204         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glowmod);
1205         if (val->vector[0] || val->vector[1] || val->vector[2])
1206         {
1207                 i = (int)(val->vector[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1208                 i = (int)(val->vector[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1209                 i = (int)(val->vector[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1210         }
1211
1212         cs->modelindex = modelindex;
1213
1214         cs->alpha = 255;
1215         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.alpha)->_float * 255.0f);
1216         if (f)
1217         {
1218                 i = (int)f;
1219                 cs->alpha = (unsigned char)bound(0, i, 255);
1220         }
1221         // halflife
1222         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.renderamt)->_float);
1223         if (f)
1224         {
1225                 i = (int)f;
1226                 cs->alpha = (unsigned char)bound(0, i, 255);
1227         }
1228
1229         cs->scale = 16;
1230         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.scale)->_float * 16.0f);
1231         if (f)
1232         {
1233                 i = (int)f;
1234                 cs->scale = (unsigned char)bound(0, i, 255);
1235         }
1236
1237         cs->glowcolor = 254;
1238         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_color)->_float);
1239         if (f)
1240                 cs->glowcolor = (int)f;
1241
1242         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.fullbright)->_float)
1243                 cs->effects |= EF_FULLBRIGHT;
1244
1245         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.modelflags);
1246         if (val && val->_float)
1247                 cs->effects |= ((unsigned int)val->_float & 0xff) << 24;
1248
1249         if (ent->fields.server->movetype == MOVETYPE_STEP)
1250                 cs->flags |= RENDER_STEP;
1251         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)
1252                 cs->flags |= RENDER_LOWPRECISION;
1253         if (ent->fields.server->colormap >= 1024)
1254                 cs->flags |= RENDER_COLORMAPPED;
1255         if (cs->viewmodelforclient)
1256                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1257
1258         cs->light[0] = light[0];
1259         cs->light[1] = light[1];
1260         cs->light[2] = light[2];
1261         cs->light[3] = light[3];
1262         cs->lightstyle = lightstyle;
1263         cs->lightpflags = lightpflags;
1264
1265         cs->specialvisibilityradius = specialvisibilityradius;
1266
1267         // calculate the visible box of this entity (don't use the physics box
1268         // as that is often smaller than a model, and would not count
1269         // specialvisibilityradius)
1270         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1271         {
1272                 float scale = cs->scale * (1.0f / 16.0f);
1273                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1274                 {
1275                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1276                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1277                 }
1278                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1279                 {
1280                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1281                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1282                 }
1283                 else
1284                 {
1285                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1286                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1287                 }
1288         }
1289         else
1290         {
1291                 // if there is no model (or it could not be loaded), use the physics box
1292                 VectorAdd(cs->origin, ent->fields.server->mins, cullmins);
1293                 VectorAdd(cs->origin, ent->fields.server->maxs, cullmaxs);
1294         }
1295         if (specialvisibilityradius)
1296         {
1297                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1298                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1299                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1300                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1301                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1302                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1303         }
1304
1305         // calculate center of bbox for network prioritization purposes
1306         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1307
1308         // if culling box has moved, update pvs cluster links
1309         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1310         {
1311                 VectorCopy(cullmins, ent->priv.server->cullmins);
1312                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1313                 // a value of -1 for pvs_numclusters indicates that the links are not
1314                 // cached, and should be re-tested each time, this is the case if the
1315                 // culling box touches too many pvs clusters to store, or if the world
1316                 // model does not support FindBoxClusters
1317                 ent->priv.server->pvs_numclusters = -1;
1318                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1319                 {
1320                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1321                         if (i <= MAX_ENTITYCLUSTERS)
1322                                 ent->priv.server->pvs_numclusters = i;
1323                 }
1324         }
1325
1326         // we need to do some csqc entity upkeep here
1327         // get self.SendFlags and clear them
1328         // (to let the QC know that they've been read)
1329         if (sendentity)
1330         {
1331                 val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendFlags);
1332                 sendflags = (unsigned int)val->_float;
1333                 val->_float = 0;
1334                 // legacy self.Version system
1335                 val2 = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.Version);
1336                 if (val2->_float)
1337                 {
1338                         version = (unsigned int)val2->_float;
1339                         if (sv.csqcentityversion[enumber] != version)
1340                                 sendflags = 0xFFFFFF;
1341                         sv.csqcentityversion[enumber] = version;
1342                 }
1343                 // move sendflags into the per-client sendflags
1344                 if (sendflags)
1345                         for (i = 0;i < svs.maxclients;i++)
1346                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1347                 // mark it as inactive for non-csqc networking
1348                 cs->active = ACTIVE_SHARED;
1349         }
1350
1351         return true;
1352 }
1353
1354 void SV_PrepareEntitiesForSending(void)
1355 {
1356         int e;
1357         prvm_edict_t *ent;
1358         // send all entities that touch the pvs
1359         sv.numsendentities = 0;
1360         sv.sendentitiesindex[0] = NULL;
1361         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1362         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1363         {
1364                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1365                 {
1366                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1367                         sv.numsendentities++;
1368                 }
1369         }
1370 }
1371
1372 #define MAX_LINEOFSIGHTTRACES 64
1373
1374 qboolean SV_CanSeeBox(int numtraces, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1375 {
1376         float pitchsign;
1377         float alpha;
1378         float starttransformed[3], endtransformed[3];
1379         int blocked = 0;
1380         int traceindex;
1381         int originalnumtouchedicts;
1382         int numtouchedicts = 0;
1383         int touchindex;
1384         matrix4x4_t matrix, imatrix;
1385         dp_model_t *model;
1386         prvm_edict_t *touch;
1387         static prvm_edict_t *touchedicts[MAX_EDICTS];
1388         vec3_t boxmins, boxmaxs;
1389         vec3_t clipboxmins, clipboxmaxs;
1390         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1391
1392         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1393
1394         // expand the box a little
1395         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
1396         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
1397         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
1398         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
1399         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
1400         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
1401
1402         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1403         for (traceindex = 1;traceindex < numtraces;traceindex++)
1404                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1405
1406         // calculate sweep box for the entire swarm of traces
1407         VectorCopy(eye, clipboxmins);
1408         VectorCopy(eye, clipboxmaxs);
1409         for (traceindex = 0;traceindex < numtraces;traceindex++)
1410         {
1411                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1412                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1413                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1414                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1415                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1416                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1417         }
1418
1419         // get the list of entities in the sweep box
1420         if (sv_cullentities_trace_entityocclusion.integer)
1421                 numtouchedicts = World_EntitiesInBox(&sv.world, clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1422         if (numtouchedicts > MAX_EDICTS)
1423         {
1424                 // this never happens
1425                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1426                 numtouchedicts = MAX_EDICTS;
1427         }
1428         // iterate the entities found in the sweep box and filter them
1429         originalnumtouchedicts = numtouchedicts;
1430         numtouchedicts = 0;
1431         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1432         {
1433                 touch = touchedicts[touchindex];
1434                 if (touch->fields.server->solid != SOLID_BSP)
1435                         continue;
1436                 model = SV_GetModelFromEdict(touch);
1437                 if (!model || !model->brush.TraceLineOfSight)
1438                         continue;
1439                 // skip obviously transparent entities
1440                 alpha = PRVM_EDICTFIELDVALUE(touch, prog->fieldoffsets.alpha)->_float;
1441                 if (alpha && alpha < 1)
1442                         continue;
1443                 if ((int)touch->fields.server->effects & EF_ADDITIVE)
1444                         continue;
1445                 touchedicts[numtouchedicts++] = touch;
1446         }
1447
1448         // now that we have a filtered list of "interesting" entities, fire each
1449         // ray against all of them, this gives us an early-out case when something
1450         // is visible (which it often is)
1451
1452         for (traceindex = 0;traceindex < numtraces;traceindex++)
1453         {
1454                 // check world occlusion
1455                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1456                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, eye, endpoints[traceindex]))
1457                                 continue;
1458                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1459                 {
1460                         touch = touchedicts[touchindex];
1461                         model = SV_GetModelFromEdict(touch);
1462                         if(model && model->brush.TraceLineOfSight)
1463                         {
1464                                 // get the entity matrix
1465                                 pitchsign = SV_GetPitchSign(touch);
1466                                 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);
1467                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1468                                 // see if the ray hits this entity
1469                                 Matrix4x4_Transform(&imatrix, eye, starttransformed);
1470                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1471                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed))
1472                                 {
1473                                         blocked++;
1474                                         break;
1475                                 }
1476                         }
1477                 }
1478                 // check if the ray was blocked
1479                 if (touchindex < numtouchedicts)
1480                         continue;
1481                 // return if the ray was not blocked
1482                 return true;
1483         }
1484
1485         // no rays survived
1486         return false;
1487 }
1488
1489 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1490 {
1491         int isbmodel;
1492         dp_model_t *model;
1493         prvm_edict_t *ed;
1494         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1495                 return;
1496         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1497         sv.writeentitiestoclient_stats_totalentities++;
1498
1499         if (s->customizeentityforclient)
1500         {
1501                 prog->globals.server->self = s->number;
1502                 prog->globals.server->other = sv.writeentitiestoclient_cliententitynumber;
1503                 PRVM_ExecuteProgram(s->customizeentityforclient, "customizeentityforclient: NULL function");
1504                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1505                         return;
1506         }
1507
1508         // never reject player
1509         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1510         {
1511                 // check various rejection conditions
1512                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1513                         return;
1514                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1515                         return;
1516                 if (s->effects & EF_NODRAW)
1517                         return;
1518                 // LordHavoc: only send entities with a model or important effects
1519                 if (!s->modelindex && s->specialvisibilityradius == 0)
1520                         return;
1521
1522                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1523                 // viewmodels don't have visibility checking
1524                 if (s->viewmodelforclient)
1525                 {
1526                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1527                                 return;
1528                 }
1529                 else if (s->tagentity)
1530                 {
1531                         // tag attached entities simply check their parent
1532                         if (!sv.sendentitiesindex[s->tagentity])
1533                                 return;
1534                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1535                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1536                                 return;
1537                 }
1538                 // always send world submodels in newer protocols because they don't
1539                 // generate much traffic (in old protocols they hog bandwidth)
1540                 // but only if sv_cullentities_nevercullbmodels is off
1541                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1542                 {
1543                         // entity has survived every check so far, check if visible
1544                         ed = PRVM_EDICT_NUM(s->number);
1545
1546                         // if not touching a visible leaf
1547                         if (sv_cullentities_pvs.integer && !r_novis.integer && sv.writeentitiestoclient_pvsbytes)
1548                         {
1549                                 if (ed->priv.server->pvs_numclusters < 0)
1550                                 {
1551                                         // entity too big for clusters list
1552                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1553                                         {
1554                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1555                                                 return;
1556                                         }
1557                                 }
1558                                 else
1559                                 {
1560                                         int i;
1561                                         // check cached clusters list
1562                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1563                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1564                                                         break;
1565                                         if (i == ed->priv.server->pvs_numclusters)
1566                                         {
1567                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1568                                                 return;
1569                                         }
1570                                 }
1571                         }
1572
1573                         // or not seen by random tracelines
1574                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel->brush.TraceLineOfSight)
1575                         {
1576                                 int samples =
1577                                         s->number <= svs.maxclients
1578                                                 ? sv_cullentities_trace_samples_players.integer
1579                                                 :
1580                                         s->specialvisibilityradius
1581                                                 ? sv_cullentities_trace_samples_extra.integer
1582                                                 : sv_cullentities_trace_samples.integer;
1583                                 float enlarge = sv_cullentities_trace_enlarge.value;
1584
1585                                 if(samples > 0)
1586                                 {
1587                                         int eyeindex;
1588                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1589                                                 if(SV_CanSeeBox(samples, enlarge, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1590                                                         break;
1591                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1592                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1593                                                         realtime + (
1594                                                                 s->number <= svs.maxclients
1595                                                                         ? sv_cullentities_trace_delay_players.value
1596                                                                         : sv_cullentities_trace_delay.value
1597                                                         );
1598                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1599                                         {
1600                                                 sv.writeentitiestoclient_stats_culled_trace++;
1601                                                 return;
1602                                         }
1603                                 }
1604                         }
1605                 }
1606         }
1607
1608         // this just marks it for sending
1609         // FIXME: it would be more efficient to send here, but the entity
1610         // compressor isn't that flexible
1611         sv.writeentitiestoclient_stats_visibleentities++;
1612         sv.sententities[s->number] = sv.sententitiesmark;
1613 }
1614
1615 #if MAX_LEVELNETWORKEYES > 0
1616 #define MAX_EYE_RECURSION 1 // increase if recursion gets supported by portals
1617 void SV_AddCameraEyes(void)
1618 {
1619         int e, i, j, k;
1620         prvm_edict_t *ed;
1621         static int cameras[MAX_LEVELNETWORKEYES];
1622         static vec3_t camera_origins[MAX_LEVELNETWORKEYES];
1623         static int eye_levels[MAX_CLIENTNETWORKEYES];
1624         int n_cameras = 0;
1625         vec3_t mi, ma;
1626         prvm_eval_t *valendpos, *val;
1627
1628         if(!prog->fieldoffsets.camera_transform)
1629                 return;
1630         valendpos = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_endpos);
1631         if(!valendpos)
1632                 return;
1633
1634         for(i = 0; i < sv.writeentitiestoclient_numeyes; ++i)
1635                 eye_levels[i] = 0;
1636
1637         // check line of sight to portal entities and add them to PVS
1638         for (e = 1, ed = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ed = PRVM_NEXT_EDICT(ed))
1639         {
1640                 if (!ed->priv.server->free)
1641                 {
1642                         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.camera_transform)) && val->function)
1643                         {
1644                                 prog->globals.server->self = e;
1645                                 prog->globals.server->other = sv.writeentitiestoclient_cliententitynumber;
1646                                 VectorCopy(sv.writeentitiestoclient_eyes[0], valendpos->vector);
1647                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_G_VECTOR(OFS_PARM0));
1648                                 VectorClear(PRVM_G_VECTOR(OFS_PARM1));
1649                                 PRVM_ExecuteProgram(val->function, "QC function e.camera_transform is missing");
1650                                 if(!VectorCompare(valendpos->vector, sv.writeentitiestoclient_eyes[0]))
1651                                 {
1652                                         VectorCopy(valendpos->vector, camera_origins[n_cameras]);
1653                                         cameras[n_cameras] = e;
1654                                         ++n_cameras;
1655                                         if(n_cameras >= MAX_LEVELNETWORKEYES)
1656                                                 break;
1657                                 }
1658                         }
1659                 }
1660         }
1661
1662         if(!n_cameras)
1663                 return;
1664
1665         // i is loop counter, is reset to 0 when an eye got added
1666         // j is camera index to check
1667         for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras)
1668         {
1669                 if(!cameras[j])
1670                         continue;
1671                 ed = PRVM_EDICT_NUM(cameras[j]);
1672                 VectorAdd(ed->fields.server->origin, ed->fields.server->mins, mi);
1673                 VectorAdd(ed->fields.server->origin, ed->fields.server->maxs, ma);
1674                 for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k)
1675                 if(eye_levels[k] <= MAX_EYE_RECURSION)
1676                 {
1677                         if(SV_CanSeeBox(sv_cullentities_trace_samples.integer, sv_cullentities_trace_enlarge.value, sv.writeentitiestoclient_eyes[k], mi, ma))
1678                         {
1679                                 eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1;
1680                                 VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1681                                 // 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);
1682                                 sv.writeentitiestoclient_numeyes++;
1683                                 cameras[j] = 0;
1684                                 i = 0;
1685                                 break;
1686                         }
1687                 }
1688         }
1689 }
1690 #else
1691 void SV_AddCameraEyes(void)
1692 {
1693 }
1694 #endif
1695
1696 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1697 {
1698         qboolean need_empty = false;
1699         int i, numsendstates, numcsqcsendstates;
1700         entity_state_t *s;
1701         prvm_edict_t *camera;
1702         qboolean success;
1703         vec3_t eye;
1704
1705         // if there isn't enough space to accomplish anything, skip it
1706         if (msg->cursize + 25 > maxsize)
1707                 return;
1708
1709         sv.writeentitiestoclient_msg = msg;
1710         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1711
1712         sv.writeentitiestoclient_stats_culled_pvs = 0;
1713         sv.writeentitiestoclient_stats_culled_trace = 0;
1714         sv.writeentitiestoclient_stats_visibleentities = 0;
1715         sv.writeentitiestoclient_stats_totalentities = 0;
1716         sv.writeentitiestoclient_numeyes = 0;
1717
1718         // get eye location
1719         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1720         camera = PRVM_EDICT_NUM( client->clientcamera );
1721         VectorAdd(camera->fields.server->origin, clent->fields.server->view_ofs, eye);
1722         sv.writeentitiestoclient_pvsbytes = 0;
1723         // get the PVS values for the eye location, later FatPVS calls will merge
1724         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1725                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1726
1727         // add the eye to a list for SV_CanSeeBox tests
1728         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1729         sv.writeentitiestoclient_numeyes++;
1730
1731         // calculate predicted eye origin for SV_CanSeeBox tests
1732         if (sv_cullentities_trace_prediction.integer)
1733         {
1734                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1735                 vec3_t predeye;
1736                 VectorMA(eye, predtime, camera->fields.server->velocity, predeye);
1737                 if (SV_CanSeeBox(1, 0, eye, predeye, predeye))
1738                 {
1739                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1740                         sv.writeentitiestoclient_numeyes++;
1741                 }
1742                 //if (!sv.writeentitiestoclient_useprediction)
1743                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1744         }
1745
1746         SV_AddCameraEyes();
1747
1748         // build PVS from the new eyes
1749         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1750                 for(i = 1; i < sv.writeentitiestoclient_numeyes; ++i)
1751                         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);
1752
1753         sv.sententitiesmark++;
1754
1755         for (i = 0;i < sv.numsendentities;i++)
1756                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1757
1758         numsendstates = 0;
1759         numcsqcsendstates = 0;
1760         for (i = 0;i < sv.numsendentities;i++)
1761         {
1762                 s = &sv.sendentities[i];
1763                 if (sv.sententities[s->number] == sv.sententitiesmark)
1764                 {
1765                         if(s->active == ACTIVE_NETWORK)
1766                         {
1767                                 if (s->exteriormodelforclient)
1768                                 {
1769                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1770                                                 s->flags |= RENDER_EXTERIORMODEL;
1771                                         else
1772                                                 s->flags &= ~RENDER_EXTERIORMODEL;
1773                                 }
1774                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
1775                         }
1776                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1777                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
1778                         else
1779                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
1780                 }
1781         }
1782
1783         if (sv_cullentities_stats.integer)
1784                 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);
1785
1786         if(client->entitydatabase5)
1787                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1788         else
1789                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1790
1791         if(client->num_skippedentityframes >= 10)
1792                 need_empty = true; // force every 10th frame to be not empty (or cl_movement replay takes too long)
1793
1794         if (client->entitydatabase5)
1795                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1796         else if (client->entitydatabase4)
1797         {
1798                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1799                 Protocol_WriteStatsReliable();
1800         }
1801         else if (client->entitydatabase)
1802         {
1803                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1804                 Protocol_WriteStatsReliable();
1805         }
1806         else
1807         {
1808                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1809                 Protocol_WriteStatsReliable();
1810         }
1811
1812         if(success)
1813                 client->num_skippedentityframes = 0;
1814         else
1815                 ++client->num_skippedentityframes;
1816 }
1817
1818 /*
1819 =============
1820 SV_CleanupEnts
1821
1822 =============
1823 */
1824 static void SV_CleanupEnts (void)
1825 {
1826         int             e;
1827         prvm_edict_t    *ent;
1828
1829         ent = PRVM_NEXT_EDICT(prog->edicts);
1830         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1831                 ent->fields.server->effects = (int)ent->fields.server->effects & ~EF_MUZZLEFLASH;
1832 }
1833
1834 /*
1835 ==================
1836 SV_WriteClientdataToMessage
1837
1838 ==================
1839 */
1840 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1841 {
1842         int             bits;
1843         int             i;
1844         prvm_edict_t    *other;
1845         int             items;
1846         prvm_eval_t     *val;
1847         vec3_t  punchvector;
1848         int             viewzoom;
1849         const char *s;
1850         float   *statsf = (float *)stats;
1851
1852 //
1853 // send a damage message
1854 //
1855         if (ent->fields.server->dmg_take || ent->fields.server->dmg_save)
1856         {
1857                 other = PRVM_PROG_TO_EDICT(ent->fields.server->dmg_inflictor);
1858                 MSG_WriteByte (msg, svc_damage);
1859                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_save);
1860                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_take);
1861                 for (i=0 ; i<3 ; i++)
1862                         MSG_WriteCoord (msg, other->fields.server->origin[i] + 0.5*(other->fields.server->mins[i] + other->fields.server->maxs[i]), sv.protocol);
1863
1864                 ent->fields.server->dmg_take = 0;
1865                 ent->fields.server->dmg_save = 0;
1866         }
1867
1868 //
1869 // send the current viewpos offset from the view entity
1870 //
1871         SV_SetIdealPitch ();            // how much to look up / down ideally
1872
1873 // a fixangle might get lost in a dropped packet.  Oh well.
1874         if(ent->fields.server->fixangle)
1875         {
1876                 // angle fixing was requested by global thinking code...
1877                 // so store the current angles for later use
1878                 memcpy(host_client->fixangle_angles, ent->fields.server->angles, sizeof(host_client->fixangle_angles));
1879                 host_client->fixangle_angles_set = TRUE;
1880
1881                 // and clear fixangle for the next frame
1882                 ent->fields.server->fixangle = 0;
1883         }
1884
1885         if (host_client->fixangle_angles_set)
1886         {
1887                 MSG_WriteByte (msg, svc_setangle);
1888                 for (i=0 ; i < 3 ; i++)
1889                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
1890                 host_client->fixangle_angles_set = FALSE;
1891         }
1892
1893         // stuff the sigil bits into the high bits of items for sbar, or else
1894         // mix in items2
1895         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.items2);
1896         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1897                 items = (int)ent->fields.server->items | ((int)val->_float << 23);
1898         else
1899                 items = (int)ent->fields.server->items | ((int)prog->globals.server->serverflags << 28);
1900
1901         VectorClear(punchvector);
1902         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.punchvector)))
1903                 VectorCopy(val->vector, punchvector);
1904
1905         // cache weapon model name and index in client struct to save time
1906         // (this search can be almost 1% of cpu time!)
1907         s = PRVM_GetString(ent->fields.server->weaponmodel);
1908         if (strcmp(s, client->weaponmodel))
1909         {
1910                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
1911                 client->weaponmodelindex = SV_ModelIndex(s, 1);
1912         }
1913
1914         viewzoom = 255;
1915         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewzoom)))
1916                 viewzoom = (int)(val->_float * 255.0f);
1917         if (viewzoom == 0)
1918                 viewzoom = 255;
1919
1920         bits = 0;
1921
1922         if ((int)ent->fields.server->flags & FL_ONGROUND)
1923                 bits |= SU_ONGROUND;
1924         if (ent->fields.server->waterlevel >= 2)
1925                 bits |= SU_INWATER;
1926         if (ent->fields.server->idealpitch)
1927                 bits |= SU_IDEALPITCH;
1928
1929         for (i=0 ; i<3 ; i++)
1930         {
1931                 if (ent->fields.server->punchangle[i])
1932                         bits |= (SU_PUNCH1<<i);
1933                 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)
1934                         if (punchvector[i])
1935                                 bits |= (SU_PUNCHVEC1<<i);
1936                 if (ent->fields.server->velocity[i])
1937                         bits |= (SU_VELOCITY1<<i);
1938         }
1939
1940         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
1941         stats[STAT_VIEWHEIGHT] = (int)ent->fields.server->view_ofs[2];
1942         stats[STAT_ITEMS] = items;
1943         stats[STAT_WEAPONFRAME] = (int)ent->fields.server->weaponframe;
1944         stats[STAT_ARMOR] = (int)ent->fields.server->armorvalue;
1945         stats[STAT_WEAPON] = client->weaponmodelindex;
1946         stats[STAT_HEALTH] = (int)ent->fields.server->health;
1947         stats[STAT_AMMO] = (int)ent->fields.server->currentammo;
1948         stats[STAT_SHELLS] = (int)ent->fields.server->ammo_shells;
1949         stats[STAT_NAILS] = (int)ent->fields.server->ammo_nails;
1950         stats[STAT_ROCKETS] = (int)ent->fields.server->ammo_rockets;
1951         stats[STAT_CELLS] = (int)ent->fields.server->ammo_cells;
1952         stats[STAT_ACTIVEWEAPON] = (int)ent->fields.server->weapon;
1953         stats[STAT_VIEWZOOM] = viewzoom;
1954         stats[STAT_TOTALSECRETS] = (int)prog->globals.server->total_secrets;
1955         stats[STAT_TOTALMONSTERS] = (int)prog->globals.server->total_monsters;
1956         // the QC bumps these itself by sending svc_'s, so we have to keep them
1957         // zero or they'll be corrected by the engine
1958         //stats[STAT_SECRETS] = prog->globals.server->found_secrets;
1959         //stats[STAT_MONSTERS] = prog->globals.server->killed_monsters;
1960
1961         // movement settings for prediction
1962         // note: these are not sent in protocols with lower MAX_CL_STATS limits
1963         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
1964                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
1965                 | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0)
1966                 | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0)
1967         ;
1968         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
1969         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
1970         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
1971         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
1972         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
1973         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
1974         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
1975         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
1976         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
1977         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.gravity);
1978         statsf[STAT_MOVEVARS_ENTGRAVITY] = (val && val->_float != 0) ? val->_float : 1.0f;
1979         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
1980         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
1981         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
1982         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
1983         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
1984         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
1985         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
1986         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
1987         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
1988         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
1989         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
1990         statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value;
1991         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
1992         statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value;
1993         statsf[STAT_MOVEVARS_AIRCONTROL_PENALTY] = sv_aircontrol_penalty.value;
1994         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
1995         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
1996         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
1997         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
1998         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
1999         statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW] = sv_airspeedlimit_nonqw.value;
2000         statsf[STAT_FRAGLIMIT] = fraglimit.value;
2001         statsf[STAT_TIMELIMIT] = timelimit.value;
2002
2003         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)
2004         {
2005                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
2006                 bits |= SU_ITEMS;
2007                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
2008                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
2009                 bits |= SU_WEAPON;
2010                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
2011                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2012                         if (viewzoom != 255)
2013                                 bits |= SU_VIEWZOOM;
2014         }
2015
2016         if (bits >= 65536)
2017                 bits |= SU_EXTEND1;
2018         if (bits >= 16777216)
2019                 bits |= SU_EXTEND2;
2020
2021         // send the data
2022         MSG_WriteByte (msg, svc_clientdata);
2023         MSG_WriteShort (msg, bits);
2024         if (bits & SU_EXTEND1)
2025                 MSG_WriteByte(msg, bits >> 16);
2026         if (bits & SU_EXTEND2)
2027                 MSG_WriteByte(msg, bits >> 24);
2028
2029         if (bits & SU_VIEWHEIGHT)
2030                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
2031
2032         if (bits & SU_IDEALPITCH)
2033                 MSG_WriteChar (msg, (int)ent->fields.server->idealpitch);
2034
2035         for (i=0 ; i<3 ; i++)
2036         {
2037                 if (bits & (SU_PUNCH1<<i))
2038                 {
2039                         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)
2040                                 MSG_WriteChar(msg, (int)ent->fields.server->punchangle[i]);
2041                         else
2042                                 MSG_WriteAngle16i(msg, ent->fields.server->punchangle[i]);
2043                 }
2044                 if (bits & (SU_PUNCHVEC1<<i))
2045                 {
2046                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2047                                 MSG_WriteCoord16i(msg, punchvector[i]);
2048                         else
2049                                 MSG_WriteCoord32f(msg, punchvector[i]);
2050                 }
2051                 if (bits & (SU_VELOCITY1<<i))
2052                 {
2053                         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)
2054                                 MSG_WriteChar(msg, (int)(ent->fields.server->velocity[i] * (1.0f / 16.0f)));
2055                         else
2056                                 MSG_WriteCoord32f(msg, ent->fields.server->velocity[i]);
2057                 }
2058         }
2059
2060         if (bits & SU_ITEMS)
2061                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
2062
2063         if (sv.protocol == PROTOCOL_DARKPLACES5)
2064         {
2065                 if (bits & SU_WEAPONFRAME)
2066                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
2067                 if (bits & SU_ARMOR)
2068                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
2069                 if (bits & SU_WEAPON)
2070                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
2071                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2072                 MSG_WriteShort (msg, stats[STAT_AMMO]);
2073                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
2074                 MSG_WriteShort (msg, stats[STAT_NAILS]);
2075                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
2076                 MSG_WriteShort (msg, stats[STAT_CELLS]);
2077                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
2078                 if (bits & SU_VIEWZOOM)
2079                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2080         }
2081         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)
2082         {
2083                 if (bits & SU_WEAPONFRAME)
2084                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
2085                 if (bits & SU_ARMOR)
2086                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
2087                 if (bits & SU_WEAPON)
2088                 {
2089                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2090                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
2091                         else
2092                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
2093                 }
2094                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2095                 MSG_WriteByte (msg, stats[STAT_AMMO]);
2096                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
2097                 MSG_WriteByte (msg, stats[STAT_NAILS]);
2098                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
2099                 MSG_WriteByte (msg, stats[STAT_CELLS]);
2100                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
2101                 {
2102                         for (i = 0;i < 32;i++)
2103                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
2104                                         break;
2105                         MSG_WriteByte (msg, i);
2106                 }
2107                 else
2108                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
2109                 if (bits & SU_VIEWZOOM)
2110                 {
2111                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2112                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
2113                         else
2114                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2115                 }
2116         }
2117 }
2118
2119 void SV_FlushBroadcastMessages(void)
2120 {
2121         int i;
2122         client_t *client;
2123         if (sv.datagram.cursize <= 0)
2124                 return;
2125         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2126         {
2127                 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])))
2128                         continue;
2129                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2130                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2131         }
2132         SZ_Clear(&sv.datagram);
2133 }
2134
2135 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2136 {
2137         // scan the splitpoints to find out how many we can fit in
2138         int numsegments, j, split;
2139         if (!client->unreliablemsg_splitpoints)
2140                 return;
2141         // always accept the first one if it's within 1024 bytes, this ensures
2142         // that very big datagrams which are over the rate limit still get
2143         // through, just to keep it working
2144         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2145                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2146                         break;
2147         // the first segment gets an exemption from the rate limiting, otherwise
2148         // it could get dropped consistently due to a low rate limit
2149         if (numsegments == 1)
2150                 maxsize = maxsize2;
2151         // some will fit, so add the ones that will fit
2152         split = client->unreliablemsg_splitpoint[numsegments-1];
2153         // note this discards ones that were accepted by the segments scan but
2154         // can not fit, such as a really huge first one that will never ever
2155         // fit in a packet...
2156         if (msg->cursize + split <= maxsize)
2157                 SZ_Write(msg, client->unreliablemsg.data, split);
2158         // remove the part we sent, keeping any remaining data
2159         client->unreliablemsg.cursize -= split;
2160         if (client->unreliablemsg.cursize > 0)
2161                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2162         // adjust remaining splitpoints
2163         client->unreliablemsg_splitpoints -= numsegments;
2164         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2165                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2166 }
2167
2168 /*
2169 =======================
2170 SV_SendClientDatagram
2171 =======================
2172 */
2173 static void SV_SendClientDatagram (client_t *client)
2174 {
2175         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2176         sizebuf_t msg;
2177         int stats[MAX_CL_STATS];
2178         static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2179
2180         // obey rate limit by limiting packet frequency if the packet size
2181         // limiting fails
2182         // (usually this is caused by reliable messages)
2183         if (!NetConn_CanSend(client->netconnection))
2184                 return;
2185
2186         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2187         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2188         if (sv_maxrate.integer != maxrate)
2189                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2190
2191         // clientrate determines the 'cleartime' of a packet
2192         // (how long to wait before sending another, based on this packet's size)
2193         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2194
2195         switch (sv.protocol)
2196         {
2197         case PROTOCOL_QUAKE:
2198         case PROTOCOL_QUAKEDP:
2199         case PROTOCOL_NEHAHRAMOVIE:
2200         case PROTOCOL_NEHAHRABJP:
2201         case PROTOCOL_NEHAHRABJP2:
2202         case PROTOCOL_NEHAHRABJP3:
2203         case PROTOCOL_QUAKEWORLD:
2204                 // no packet size limit support on Quake protocols because it just
2205                 // causes missing entities/effects
2206                 // packets are simply sent less often to obey the rate limit
2207                 maxsize = 1024;
2208                 maxsize2 = 1024;
2209                 break;
2210         case PROTOCOL_DARKPLACES1:
2211         case PROTOCOL_DARKPLACES2:
2212         case PROTOCOL_DARKPLACES3:
2213         case PROTOCOL_DARKPLACES4:
2214                 // no packet size limit support on DP1-4 protocols because they kick
2215                 // the client off if they overflow, and miss effects
2216                 // packets are simply sent less often to obey the rate limit
2217                 maxsize = sizeof(sv_sendclientdatagram_buf);
2218                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2219                 break;
2220         default:
2221                 // DP5 and later protocols support packet size limiting which is a
2222                 // better method than limiting packet frequency as QW does
2223                 //
2224                 // at very low rates (or very small sys_ticrate) the packet size is
2225                 // not reduced below 128, but packets may be sent less often
2226                 maxsize = (int)(clientrate * sys_ticrate.value);
2227                 maxsize = bound(128, maxsize, 1400);
2228                 maxsize2 = 1400;
2229                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2230                 // mods that use csqc (they are likely to use less bandwidth anyway)
2231                 if (sv.csqc_progsize > 0)
2232                         maxsize = maxsize2;
2233                 break;
2234         }
2235
2236         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2237         {
2238                 // for good singleplayer, send huge packets
2239                 maxsize = sizeof(sv_sendclientdatagram_buf);
2240                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2241                 // never limit frequency in singleplayer
2242                 clientrate = 1000000000;
2243         }
2244
2245         // while downloading, limit entity updates to half the packet
2246         // (any leftover space will be used for downloading)
2247         if (host_client->download_file)
2248                 maxsize /= 2;
2249
2250         msg.data = sv_sendclientdatagram_buf;
2251         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2252         msg.cursize = 0;
2253         msg.allowoverflow = false;
2254
2255         if (host_client->spawned)
2256         {
2257                 // the player is in the game
2258                 MSG_WriteByte (&msg, svc_time);
2259                 MSG_WriteFloat (&msg, sv.time);
2260
2261                 // add the client specific data to the datagram
2262                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2263                 // now update the stats[] array using any registered custom fields
2264                 VM_SV_UpdateCustomStats (client, client->edict, &msg, stats);
2265                 // set host_client->statsdeltabits
2266                 Protocol_UpdateClientStats (stats);
2267
2268                 // add as many queued unreliable messages (effects) as we can fit
2269                 // limit effects to half of the remaining space
2270                 if (client->unreliablemsg.cursize)
2271                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2272
2273                 // now write as many entities as we can fit, and also sends stats
2274                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2275         }
2276         else if (realtime > client->keepalivetime)
2277         {
2278                 // the player isn't totally in the game yet
2279                 // send small keepalive messages if too much time has passed
2280                 // (may also be sending downloads)
2281                 client->keepalivetime = realtime + 5;
2282                 MSG_WriteChar (&msg, svc_nop);
2283         }
2284
2285         // if a download is active, see if there is room to fit some download data
2286         // in this packet
2287         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2288         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2289         {
2290                 fs_offset_t downloadstart;
2291                 unsigned char data[1400];
2292                 downloadstart = FS_Tell(host_client->download_file);
2293                 downloadsize = min(downloadsize, (int)sizeof(data));
2294                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2295                 // note this sends empty messages if at the end of the file, which is
2296                 // necessary to keep the packet loss logic working
2297                 // (the last blocks may be lost and need to be re-sent, and that will
2298                 //  only occur if the client acks the empty end messages, revealing
2299                 //  a gap in the download progress, causing the last blocks to be
2300                 //  sent again)
2301                 MSG_WriteChar (&msg, svc_downloaddata);
2302                 MSG_WriteLong (&msg, downloadstart);
2303                 MSG_WriteShort (&msg, downloadsize);
2304                 if (downloadsize > 0)
2305                         SZ_Write (&msg, data, downloadsize);
2306         }
2307
2308         // reliable only if none is in progress
2309         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2310                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2311         // unreliable
2312         SV_WriteDemoMessage(client, &msg, false);
2313
2314 // send the datagram
2315         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2316         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2317                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2318 }
2319
2320 /*
2321 =======================
2322 SV_UpdateToReliableMessages
2323 =======================
2324 */
2325 static void SV_UpdateToReliableMessages (void)
2326 {
2327         int i, j;
2328         client_t *client;
2329         prvm_eval_t *val;
2330         const char *name;
2331         const char *model;
2332         const char *skin;
2333
2334 // check for changes to be sent over the reliable streams
2335         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2336         {
2337                 // update the host_client fields we care about according to the entity fields
2338                 host_client->edict = PRVM_EDICT_NUM(i+1);
2339
2340                 // DP_SV_CLIENTNAME
2341                 name = PRVM_GetString(host_client->edict->fields.server->netname);
2342                 if (name == NULL)
2343                         name = "";
2344                 // always point the string back at host_client->name to keep it safe
2345                 strlcpy (host_client->name, name, sizeof (host_client->name));
2346                 host_client->edict->fields.server->netname = PRVM_SetEngineString(host_client->name);
2347                 if (strcmp(host_client->old_name, host_client->name))
2348                 {
2349                         if (host_client->spawned)
2350                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2351                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2352                         // send notification to all clients
2353                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2354                         MSG_WriteByte (&sv.reliable_datagram, i);
2355                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2356                         SV_WriteNetnameIntoDemo(host_client);
2357                 }
2358
2359                 // DP_SV_CLIENTCOLORS
2360                 // this is always found (since it's added by the progs loader)
2361                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcolors)))
2362                         host_client->colors = (int)val->_float;
2363                 if (host_client->old_colors != host_client->colors)
2364                 {
2365                         host_client->old_colors = host_client->colors;
2366                         // send notification to all clients
2367                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2368                         MSG_WriteByte (&sv.reliable_datagram, i);
2369                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2370                 }
2371
2372                 // NEXUIZ_PLAYERMODEL
2373                 if( prog->fieldoffsets.playermodel >= 0 ) {
2374                         model = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string);
2375                         if (model == NULL)
2376                                 model = "";
2377                         // always point the string back at host_client->name to keep it safe
2378                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2379                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(host_client->playermodel);
2380                 }
2381
2382                 // NEXUIZ_PLAYERSKIN
2383                 if( prog->fieldoffsets.playerskin >= 0 ) {
2384                         skin = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string);
2385                         if (skin == NULL)
2386                                 skin = "";
2387                         // always point the string back at host_client->name to keep it safe
2388                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2389                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(host_client->playerskin);
2390                 }
2391
2392                 // TODO: add an extension name for this [1/17/2008 Black]
2393                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcamera)) && val->edict > 0 ) {
2394                         int oldclientcamera = host_client->clientcamera;
2395                         if( val->edict >= prog->max_edicts || PRVM_EDICT_NUM( val->edict )->priv.required->free ) {
2396                                 val->edict = host_client->clientcamera = PRVM_NUM_FOR_EDICT( host_client->edict );
2397                         } else {
2398                                 host_client->clientcamera = val->edict;
2399                         }
2400
2401                         if( oldclientcamera != host_client->clientcamera ) {
2402                                 MSG_WriteByte (&host_client->netconnection->message, svc_setview );
2403                                 MSG_WriteShort (&host_client->netconnection->message, host_client->clientcamera);
2404                         }
2405                 }
2406
2407                 // frags
2408                 host_client->frags = (int)host_client->edict->fields.server->frags;
2409                 if(gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
2410                         if(!host_client->spawned && host_client->netconnection)
2411                                 host_client->frags = -666;
2412                 if (host_client->old_frags != host_client->frags)
2413                 {
2414                         host_client->old_frags = host_client->frags;
2415                         // send notification to all clients
2416                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2417                         MSG_WriteByte (&sv.reliable_datagram, i);
2418                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2419                 }
2420         }
2421
2422         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2423                 if (client->netconnection && (client->spawned || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2424                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2425
2426         SZ_Clear (&sv.reliable_datagram);
2427 }
2428
2429
2430 /*
2431 =======================
2432 SV_SendClientMessages
2433 =======================
2434 */
2435 void SV_SendClientMessages (void)
2436 {
2437         int i, prepared = false;
2438
2439         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2440                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2441
2442         SV_FlushBroadcastMessages();
2443
2444 // update frags, names, etc
2445         SV_UpdateToReliableMessages();
2446
2447 // build individual updates
2448         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2449         {
2450                 if (!host_client->active)
2451                         continue;
2452                 if (!host_client->netconnection)
2453                         continue;
2454
2455                 if (host_client->netconnection->message.overflowed)
2456                 {
2457                         SV_DropClient (true);   // if the message couldn't send, kick off
2458                         continue;
2459                 }
2460
2461                 if (!prepared)
2462                 {
2463                         prepared = true;
2464                         // only prepare entities once per frame
2465                         SV_PrepareEntitiesForSending();
2466                 }
2467                 SV_SendClientDatagram (host_client);
2468         }
2469
2470 // clear muzzle flashes
2471         SV_CleanupEnts();
2472 }
2473
2474 static void SV_StartDownload_f(void)
2475 {
2476         if (host_client->download_file)
2477                 host_client->download_started = true;
2478 }
2479
2480 /*
2481  * Compression extension negotiation:
2482  *
2483  * Server to client:
2484  *   cl_serverextension_download 2
2485  *
2486  * Client to server:
2487  *   download <filename> <list of zero or more suppported compressions in order of preference>
2488  * e.g.
2489  *   download maps/map1.bsp lzo deflate huffman
2490  *
2491  * Server to client:
2492  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2493  * e.g.
2494  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2495  *
2496  * The server may choose not to compress the file by sending no compression name, like:
2497  *   cl_downloadbegin 345678 maps/map1.bsp
2498  *
2499  * NOTE: the "download" command may only specify compression algorithms if
2500  *       cl_serverextension_download is 2!
2501  *       If cl_serverextension_download has a different value, the client must
2502  *       assume this extension is not supported!
2503  */
2504
2505 static void Download_CheckExtensions(void)
2506 {
2507         int i;
2508         int argc = Cmd_Argc();
2509
2510         // first reset them all
2511         host_client->download_deflate = false;
2512
2513         for(i = 2; i < argc; ++i)
2514         {
2515                 if(!strcmp(Cmd_Argv(i), "deflate"))
2516                 {
2517                         host_client->download_deflate = true;
2518                         break;
2519                 }
2520         }
2521 }
2522
2523 static void SV_Download_f(void)
2524 {
2525         const char *whichpack, *whichpack2, *extension;
2526         qboolean is_csqc; // so we need to check only once
2527
2528         if (Cmd_Argc() < 2)
2529         {
2530                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2531                 SV_ClientPrintf("       supported extensions: deflate\n");
2532                 return;
2533         }
2534
2535         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2536         {
2537                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2538                 return;
2539         }
2540
2541         if (host_client->download_file)
2542         {
2543                 // at this point we'll assume the previous download should be aborted
2544                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2545                 Host_ClientCommands("\nstopdownload\n");
2546
2547                 // close the file and reset variables
2548                 FS_Close(host_client->download_file);
2549                 host_client->download_file = NULL;
2550                 host_client->download_name[0] = 0;
2551                 host_client->download_expectedposition = 0;
2552                 host_client->download_started = false;
2553         }
2554
2555         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2556
2557         if (!sv_allowdownloads.integer && !is_csqc)
2558         {
2559                 SV_ClientPrintf("Downloads are disabled on this server\n");
2560                 Host_ClientCommands("\nstopdownload\n");
2561                 return;
2562         }
2563
2564         Download_CheckExtensions();
2565
2566         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2567         extension = FS_FileExtension(host_client->download_name);
2568
2569         // host_client is asking to download a specified file
2570         if (developer_extra.integer)
2571                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2572
2573         if(is_csqc)
2574         {
2575                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2576                 extensions[0] = '\0';
2577
2578                 if(host_client->download_deflate)
2579                         strlcat(extensions, " deflate", sizeof(extensions));
2580
2581                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2582
2583                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2584                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2585                 else
2586                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2587
2588                 // no, no space is needed between %s and %s :P
2589                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2590
2591                 host_client->download_expectedposition = 0;
2592                 host_client->download_started = false;
2593                 host_client->sendsignon = true; // make sure this message is sent
2594                 return;
2595         }
2596
2597         if (!FS_FileExists(host_client->download_name))
2598         {
2599                 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);
2600                 Host_ClientCommands("\nstopdownload\n");
2601                 return;
2602         }
2603
2604         // check if the user is trying to download part of registered Quake(r)
2605         whichpack = FS_WhichPack(host_client->download_name);
2606         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2607         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2608         {
2609                 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);
2610                 Host_ClientCommands("\nstopdownload\n");
2611                 return;
2612         }
2613
2614         // check if the server has forbidden archive downloads entirely
2615         if (!sv_allowdownloads_inarchive.integer)
2616         {
2617                 whichpack = FS_WhichPack(host_client->download_name);
2618                 if (whichpack)
2619                 {
2620                         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);
2621                         Host_ClientCommands("\nstopdownload\n");
2622                         return;
2623                 }
2624         }
2625
2626         if (!sv_allowdownloads_config.integer)
2627         {
2628                 if (!strcasecmp(extension, "cfg"))
2629                 {
2630                         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);
2631                         Host_ClientCommands("\nstopdownload\n");
2632                         return;
2633                 }
2634         }
2635
2636         if (!sv_allowdownloads_dlcache.integer)
2637         {
2638                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2639                 {
2640                         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);
2641                         Host_ClientCommands("\nstopdownload\n");
2642                         return;
2643                 }
2644         }
2645
2646         if (!sv_allowdownloads_archive.integer)
2647         {
2648                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2649                 {
2650                         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);
2651                         Host_ClientCommands("\nstopdownload\n");
2652                         return;
2653                 }
2654         }
2655
2656         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2657         if (!host_client->download_file)
2658         {
2659                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2660                 Host_ClientCommands("\nstopdownload\n");
2661                 return;
2662         }
2663
2664         if (FS_FileSize(host_client->download_file) > 1<<30)
2665         {
2666                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2667                 Host_ClientCommands("\nstopdownload\n");
2668                 FS_Close(host_client->download_file);
2669                 host_client->download_file = NULL;
2670                 return;
2671         }
2672
2673         if (FS_FileSize(host_client->download_file) < 0)
2674         {
2675                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2676                 Host_ClientCommands("\nstopdownload\n");
2677                 FS_Close(host_client->download_file);
2678                 host_client->download_file = NULL;
2679                 return;
2680         }
2681
2682         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2683
2684         /*
2685          * we can only do this if we would actually deflate on the fly
2686          * which we do not (yet)!
2687         {
2688                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2689                 extensions[0] = '\0';
2690
2691                 if(host_client->download_deflate)
2692                         strlcat(extensions, " deflate", sizeof(extensions));
2693
2694                 // no, no space is needed between %s and %s :P
2695                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2696         }
2697         */
2698         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2699
2700         host_client->download_expectedposition = 0;
2701         host_client->download_started = false;
2702         host_client->sendsignon = true; // make sure this message is sent
2703
2704         // the rest of the download process is handled in SV_SendClientDatagram
2705         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2706         //
2707         // no svc_downloaddata messages will be sent until sv_startdownload is
2708         // sent by the client
2709 }
2710
2711 /*
2712 ==============================================================================
2713
2714 SERVER SPAWNING
2715
2716 ==============================================================================
2717 */
2718
2719 /*
2720 ================
2721 SV_ModelIndex
2722
2723 ================
2724 */
2725 int SV_ModelIndex(const char *s, int precachemode)
2726 {
2727         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);
2728         char filename[MAX_QPATH];
2729         if (!s || !*s)
2730                 return 0;
2731         // testing
2732         //if (precachemode == 2)
2733         //      return 0;
2734         strlcpy(filename, s, sizeof(filename));
2735         for (i = 2;i < limit;i++)
2736         {
2737                 if (!sv.model_precache[i][0])
2738                 {
2739                         if (precachemode)
2740                         {
2741                                 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))
2742                                 {
2743                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2744                                         return 0;
2745                                 }
2746                                 if (precachemode == 1)
2747                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2748                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2749                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2750                                 if (sv.state != ss_loading)
2751                                 {
2752                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2753                                         MSG_WriteShort(&sv.reliable_datagram, i);
2754                                         MSG_WriteString(&sv.reliable_datagram, filename);
2755                                 }
2756                                 return i;
2757                         }
2758                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2759                         return 0;
2760                 }
2761                 if (!strcmp(sv.model_precache[i], filename))
2762                         return i;
2763         }
2764         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2765         return 0;
2766 }
2767
2768 /*
2769 ================
2770 SV_SoundIndex
2771
2772 ================
2773 */
2774 int SV_SoundIndex(const char *s, int precachemode)
2775 {
2776         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);
2777         char filename[MAX_QPATH];
2778         if (!s || !*s)
2779                 return 0;
2780         // testing
2781         //if (precachemode == 2)
2782         //      return 0;
2783         strlcpy(filename, s, sizeof(filename));
2784         for (i = 1;i < limit;i++)
2785         {
2786                 if (!sv.sound_precache[i][0])
2787                 {
2788                         if (precachemode)
2789                         {
2790                                 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))
2791                                 {
2792                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2793                                         return 0;
2794                                 }
2795                                 if (precachemode == 1)
2796                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2797                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2798                                 if (sv.state != ss_loading)
2799                                 {
2800                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2801                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2802                                         MSG_WriteString(&sv.reliable_datagram, filename);
2803                                 }
2804                                 return i;
2805                         }
2806                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2807                         return 0;
2808                 }
2809                 if (!strcmp(sv.sound_precache[i], filename))
2810                         return i;
2811         }
2812         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2813         return 0;
2814 }
2815
2816 /*
2817 ================
2818 SV_ParticleEffectIndex
2819
2820 ================
2821 */
2822 int SV_ParticleEffectIndex(const char *name)
2823 {
2824         int i, argc, linenumber, effectnameindex;
2825         int filepass;
2826         fs_offset_t filesize;
2827         unsigned char *filedata;
2828         const char *text;
2829         const char *textstart;
2830         //const char *textend;
2831         char argv[16][1024];
2832         char filename[MAX_QPATH];
2833         if (!sv.particleeffectnamesloaded)
2834         {
2835                 sv.particleeffectnamesloaded = true;
2836                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2837                 for (i = 0;i < EFFECT_TOTAL;i++)
2838                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2839                 for (filepass = 0;;filepass++)
2840                 {
2841                         if (filepass == 0)
2842                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
2843                         else if (filepass == 1)
2844                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
2845                         else
2846                                 break;
2847                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
2848                         if (!filedata)
2849                                 continue;
2850                         textstart = (const char *)filedata;
2851                         //textend = (const char *)filedata + filesize;
2852                         text = textstart;
2853                         for (linenumber = 1;;linenumber++)
2854                         {
2855                                 argc = 0;
2856                                 for (;;)
2857                                 {
2858                                         if (!COM_ParseToken_Simple(&text, true, false) || !strcmp(com_token, "\n"))
2859                                                 break;
2860                                         if (argc < 16)
2861                                         {
2862                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2863                                                 argc++;
2864                                         }
2865                                 }
2866                                 if (com_token[0] == 0)
2867                                         break; // if the loop exited and it's not a \n, it's EOF
2868                                 if (argc < 1)
2869                                         continue;
2870                                 if (!strcmp(argv[0], "effect"))
2871                                 {
2872                                         if (argc == 2)
2873                                         {
2874                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
2875                                                 {
2876                                                         if (sv.particleeffectname[effectnameindex][0])
2877                                                         {
2878                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
2879                                                                         break;
2880                                                         }
2881                                                         else
2882                                                         {
2883                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
2884                                                                 break;
2885                                                         }
2886                                                 }
2887                                                 // if we run out of names, abort
2888                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
2889                                                 {
2890                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
2891                                                         break;
2892                                                 }
2893                                         }
2894                                 }
2895                         }
2896                         Mem_Free(filedata);
2897                 }
2898         }
2899         // search for the name
2900         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
2901                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
2902                         return effectnameindex;
2903         // return 0 if we couldn't find it
2904         return 0;
2905 }
2906
2907 dp_model_t *SV_GetModelByIndex(int modelindex)
2908 {
2909         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2910 }
2911
2912 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
2913 {
2914         int modelindex;
2915         if (!ed || ed->priv.server->free)
2916                 return NULL;
2917         modelindex = (int)ed->fields.server->modelindex;
2918         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2919 }
2920
2921 /*
2922 ================
2923 SV_CreateBaseline
2924
2925 ================
2926 */
2927 static void SV_CreateBaseline (void)
2928 {
2929         int i, entnum, large;
2930         prvm_edict_t *svent;
2931
2932         // LordHavoc: clear *all* states (note just active ones)
2933         for (entnum = 0;entnum < prog->max_edicts;entnum++)
2934         {
2935                 // get the current server version
2936                 svent = PRVM_EDICT_NUM(entnum);
2937
2938                 // LordHavoc: always clear state values, whether the entity is in use or not
2939                 svent->priv.server->baseline = defaultstate;
2940
2941                 if (svent->priv.server->free)
2942                         continue;
2943                 if (entnum > svs.maxclients && !svent->fields.server->modelindex)
2944                         continue;
2945
2946                 // create entity baseline
2947                 VectorCopy (svent->fields.server->origin, svent->priv.server->baseline.origin);
2948                 VectorCopy (svent->fields.server->angles, svent->priv.server->baseline.angles);
2949                 svent->priv.server->baseline.frame = (int)svent->fields.server->frame;
2950                 svent->priv.server->baseline.skin = (int)svent->fields.server->skin;
2951                 if (entnum > 0 && entnum <= svs.maxclients)
2952                 {
2953                         svent->priv.server->baseline.colormap = entnum;
2954                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
2955                 }
2956                 else
2957                 {
2958                         svent->priv.server->baseline.colormap = 0;
2959                         svent->priv.server->baseline.modelindex = (int)svent->fields.server->modelindex;
2960                 }
2961
2962                 large = false;
2963                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
2964                 {
2965                         large = true;
2966                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2967                                 large = false;
2968                 }
2969
2970                 // add to the message
2971                 if (large)
2972                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
2973                 else
2974                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
2975                 MSG_WriteShort (&sv.signon, entnum);
2976
2977                 if (large)
2978                 {
2979                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2980                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
2981                 }
2982                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2983                 {
2984                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2985                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2986                 }
2987                 else
2988                 {
2989                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
2990                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2991                 }
2992                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
2993                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
2994                 for (i=0 ; i<3 ; i++)
2995                 {
2996                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
2997                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
2998                 }
2999         }
3000 }
3001
3002 /*
3003 ================
3004 SV_Prepare_CSQC
3005
3006 Load csprogs.dat and comperss it so it doesn't need to be
3007 reloaded on request.
3008 ================
3009 */
3010 void SV_Prepare_CSQC(void)
3011 {
3012         fs_offset_t progsize;
3013
3014         if(svs.csqc_progdata)
3015         {
3016                 Con_DPrintf("Unloading old CSQC data.\n");
3017                 Mem_Free(svs.csqc_progdata);
3018                 if(svs.csqc_progdata_deflated)
3019                         Mem_Free(svs.csqc_progdata_deflated);
3020         }
3021
3022         svs.csqc_progdata = NULL;
3023         svs.csqc_progdata_deflated = NULL;
3024
3025         sv.csqc_progname[0] = 0;
3026         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
3027
3028         if(progsize > 0)
3029         {
3030                 size_t deflated_size;
3031
3032                 sv.csqc_progsize = (int)progsize;
3033                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
3034                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
3035                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
3036
3037                 Con_DPrint("Compressing csprogs.dat\n");
3038                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
3039                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
3040                 svs.csqc_progsize_deflated = (int)deflated_size;
3041                 if(svs.csqc_progdata_deflated)
3042                 {
3043                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
3044                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
3045                 }
3046                 else
3047                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
3048         }
3049 }
3050
3051 /*
3052 ================
3053 SV_SaveSpawnparms
3054
3055 Grabs the current state of each client for saving across the
3056 transition to another level
3057 ================
3058 */
3059 void SV_SaveSpawnparms (void)
3060 {
3061         int             i, j;
3062
3063         svs.serverflags = (int)prog->globals.server->serverflags;
3064
3065         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3066         {
3067                 if (!host_client->active)
3068                         continue;
3069
3070         // call the progs to get default spawn parms for the new client
3071                 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
3072                 PRVM_ExecuteProgram (prog->globals.server->SetChangeParms, "QC function SetChangeParms is missing");
3073                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
3074                         host_client->spawn_parms[j] = (&prog->globals.server->parm1)[j];
3075         }
3076 }
3077
3078 /*
3079 ================
3080 SV_SpawnServer
3081
3082 This is called at the start of each level
3083 ================
3084 */
3085
3086 void SV_SpawnServer (const char *server)
3087 {
3088         prvm_edict_t *ent;
3089         int i;
3090         char *entities;
3091         dp_model_t *worldmodel;
3092         char modelname[sizeof(sv.worldname)];
3093
3094         Con_DPrintf("SpawnServer: %s\n", server);
3095
3096         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
3097
3098         if (!FS_FileExists(modelname))
3099         {
3100                 dpsnprintf (modelname, sizeof(modelname), "maps/%s", server);
3101                 if (!FS_FileExists(modelname))
3102                 {
3103                         Con_Printf("SpawnServer: no map file named maps/%s.bsp\n", server);
3104                         return;
3105                 }
3106         }
3107
3108         if (cls.state != ca_dedicated)
3109         {
3110                 SCR_BeginLoadingPlaque();
3111                 S_StopAllSounds();
3112         }
3113
3114         if(sv.active)
3115         {
3116                 SV_VM_Begin();
3117                 World_End(&sv.world);
3118                 if(prog->funcoffsets.SV_Shutdown)
3119                 {
3120                         func_t s = prog->funcoffsets.SV_Shutdown;
3121                         prog->funcoffsets.SV_Shutdown = 0; // prevent it from getting called again
3122                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
3123                 }
3124                 SV_VM_End();
3125         }
3126
3127         // free q3 shaders so that any newly downloaded shaders will be active
3128         Mod_FreeQ3Shaders();
3129
3130         worldmodel = Mod_ForName(modelname, false, developer.integer > 0, NULL);
3131         if (!worldmodel || !worldmodel->TraceBox)
3132         {
3133                 Con_Printf("Couldn't load map %s\n", modelname);
3134                 return;
3135         }
3136
3137         // let's not have any servers with no name
3138         if (hostname.string[0] == 0)
3139                 Cvar_Set ("hostname", "UNNAMED");
3140         scr_centertime_off = 0;
3141
3142         svs.changelevel_issued = false;         // now safe to issue another
3143
3144         // make the map a required file for clients
3145         Curl_ClearRequirements();
3146         Curl_RequireFile(modelname);
3147
3148 //
3149 // tell all connected clients that we are going to a new level
3150 //
3151         if (sv.active)
3152         {
3153                 client_t *client;
3154                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3155                 {
3156                         if (client->netconnection)
3157                         {
3158                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3159                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3160                         }
3161                 }
3162         }
3163         else
3164         {
3165                 // open server port
3166                 NetConn_OpenServerPorts(true);
3167         }
3168
3169 //
3170 // make cvars consistant
3171 //
3172         if (coop.integer)
3173                 Cvar_SetValue ("deathmatch", 0);
3174         // LordHavoc: it can be useful to have skills outside the range 0-3...
3175         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3176         //Cvar_SetValue ("skill", (float)current_skill);
3177         current_skill = (int)(skill.value + 0.5);
3178
3179 //
3180 // set up the new server
3181 //
3182         memset (&sv, 0, sizeof(sv));
3183         // if running a local client, make sure it doesn't try to access the last
3184         // level's data which is no longer valiud
3185         cls.signon = 0;
3186
3187         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
3188
3189         if(*sv_random_seed.string)
3190         {
3191                 srand(sv_random_seed.integer);
3192                 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);
3193         }
3194
3195         SV_VM_Setup();
3196
3197         sv.active = true;
3198
3199         // set level base name variables for later use
3200         strlcpy (sv.name, server, sizeof (sv.name));
3201         strlcpy(sv.worldname, modelname, sizeof(sv.worldname));
3202         FS_StripExtension(sv.worldname, sv.worldnamenoextension, sizeof(sv.worldnamenoextension));
3203         strlcpy(sv.worldbasename, !strncmp(sv.worldnamenoextension, "maps/", 5) ? sv.worldnamenoextension + 5 : sv.worldnamenoextension, sizeof(sv.worldbasename));
3204         //Cvar_SetQuick(&sv_worldmessage, sv.worldmessage); // set later after QC is spawned
3205         Cvar_SetQuick(&sv_worldname, sv.worldname);
3206         Cvar_SetQuick(&sv_worldnamenoextension, sv.worldnamenoextension);
3207         Cvar_SetQuick(&sv_worldbasename, sv.worldbasename);
3208
3209         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3210         if (sv.protocol == PROTOCOL_UNKNOWN)
3211         {
3212                 char buffer[1024];
3213                 Protocol_Names(buffer, sizeof(buffer));
3214                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3215                 sv.protocol = PROTOCOL_QUAKE;
3216         }
3217
3218         SV_VM_Begin();
3219
3220 // load progs to get entity field count
3221         //PR_LoadProgs ( sv_progs.string );
3222
3223         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3224         sv.datagram.cursize = 0;
3225         sv.datagram.data = sv.datagram_buf;
3226
3227         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3228         sv.reliable_datagram.cursize = 0;
3229         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3230
3231         sv.signon.maxsize = sizeof(sv.signon_buf);
3232         sv.signon.cursize = 0;
3233         sv.signon.data = sv.signon_buf;
3234
3235 // leave slots at start for clients only
3236         //prog->num_edicts = svs.maxclients+1;
3237
3238         sv.state = ss_loading;
3239         prog->allowworldwrites = true;
3240         sv.paused = false;
3241
3242         prog->globals.server->time = sv.time = 1.0;
3243
3244         Mod_ClearUsed();
3245         worldmodel->used = true;
3246
3247         sv.worldmodel = worldmodel;
3248         sv.models[1] = sv.worldmodel;
3249
3250 //
3251 // clear world interaction links
3252 //
3253         World_SetSize(&sv.world, sv.worldname, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs);
3254         World_Start(&sv.world);
3255
3256         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3257
3258         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3259         strlcpy(sv.model_precache[1], sv.worldname, sizeof(sv.model_precache[1]));
3260         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3261         {
3262                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3263                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.worldname);
3264         }
3265         if(i < sv.worldmodel->brush.numsubmodels)
3266                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3267
3268 //
3269 // load the rest of the entities
3270 //
3271         // AK possible hack since num_edicts is still 0
3272         ent = PRVM_EDICT_NUM(0);
3273         memset (ent->fields.server, 0, prog->progs->entityfields * 4);
3274         ent->priv.server->free = false;
3275         ent->fields.server->model = PRVM_SetEngineString(sv.worldname);
3276         ent->fields.server->modelindex = 1;             // world model
3277         ent->fields.server->solid = SOLID_BSP;
3278         ent->fields.server->movetype = MOVETYPE_PUSH;
3279         VectorCopy(sv.world.mins, ent->fields.server->mins);
3280         VectorCopy(sv.world.maxs, ent->fields.server->maxs);
3281         VectorCopy(sv.world.mins, ent->fields.server->absmin);
3282         VectorCopy(sv.world.maxs, ent->fields.server->absmax);
3283
3284         if (coop.value)
3285                 prog->globals.server->coop = coop.integer;
3286         else
3287                 prog->globals.server->deathmatch = deathmatch.integer;
3288
3289         prog->globals.server->mapname = PRVM_SetEngineString(sv.name);
3290
3291 // serverflags are for cross level information (sigils)
3292         prog->globals.server->serverflags = svs.serverflags;
3293
3294         // we need to reset the spawned flag on all connected clients here so that
3295         // their thinks don't run during startup (before PutClientInServer)
3296         // we also need to set up the client entities now
3297         // and we need to set the ->edict pointers to point into the progs edicts
3298         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3299         {
3300                 host_client->spawned = false;
3301                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3302                 PRVM_ED_ClearEdict(host_client->edict);
3303         }
3304
3305         // load replacement entity file if found
3306         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va("%s.ent", sv.worldnamenoextension), tempmempool, true, NULL)))
3307         {
3308                 Con_Printf("Loaded %s.ent\n", sv.worldnamenoextension);
3309                 PRVM_ED_LoadFromFile (entities);
3310                 Mem_Free(entities);
3311         }
3312         else
3313                 PRVM_ED_LoadFromFile (sv.worldmodel->brush.entities);
3314
3315
3316         // LordHavoc: clear world angles (to fix e3m3.bsp)
3317         VectorClear(prog->edicts->fields.server->angles);
3318
3319 // all setup is completed, any further precache statements are errors
3320 //      sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3321         prog->allowworldwrites = false;
3322
3323 // run two frames to allow everything to settle
3324         prog->globals.server->time = sv.time = 1.0001;
3325         for (i = 0;i < 2;i++)
3326         {
3327                 sv.frametime = 0.1;
3328                 SV_Physics ();
3329         }
3330
3331         if (cls.state == ca_dedicated)
3332                 Mod_PurgeUnused();
3333
3334 // create a baseline for more efficient communications
3335         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)
3336                 SV_CreateBaseline ();
3337
3338         sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3339
3340         // to prevent network timeouts
3341         realtime = Sys_DoubleTime();
3342
3343 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3344         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3345         {
3346                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3347                 if (!host_client->active)
3348                         continue;
3349                 if (host_client->netconnection)
3350                         SV_SendServerinfo(host_client);
3351                 else
3352                 {
3353                         int j;
3354                         // if client is a botclient coming from a level change, we need to
3355                         // set up client info that normally requires networking
3356
3357                         // copy spawn parms out of the client_t
3358                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3359                                 (&prog->globals.server->parm1)[j] = host_client->spawn_parms[j];
3360
3361                         // call the spawn function
3362                         host_client->clientconnectcalled = true;
3363                         prog->globals.server->time = sv.time;
3364                         prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
3365                         PRVM_ExecuteProgram (prog->globals.server->ClientConnect, "QC function ClientConnect is missing");
3366                         PRVM_ExecuteProgram (prog->globals.server->PutClientInServer, "QC function PutClientInServer is missing");
3367                         host_client->spawned = true;
3368                 }
3369         }
3370
3371         // update the map title cvar
3372         strlcpy(sv.worldmessage, PRVM_GetString(prog->edicts->fields.server->message), sizeof(sv.worldmessage)); // map title (not related to filename)
3373         Cvar_SetQuick(&sv_worldmessage, sv.worldmessage);
3374
3375         Con_DPrint("Server spawned.\n");
3376         NetConn_Heartbeat (2);
3377
3378         SV_VM_End();
3379 }
3380
3381 /////////////////////////////////////////////////////
3382 // SV VM stuff
3383
3384 static void SV_VM_CB_BeginIncreaseEdicts(void)
3385 {
3386         // links don't survive the transition, so unlink everything
3387         World_UnlinkAll(&sv.world);
3388 }
3389
3390 static void SV_VM_CB_EndIncreaseEdicts(void)
3391 {
3392         int i;
3393         prvm_edict_t *ent;
3394
3395         // link every entity except world
3396         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
3397                 if (!ent->priv.server->free)
3398                         SV_LinkEdict(ent);
3399 }
3400
3401 static void SV_VM_CB_InitEdict(prvm_edict_t *e)
3402 {
3403         // LordHavoc: for consistency set these here
3404         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3405
3406         e->priv.server->move = false; // don't move on first frame
3407
3408         if (num >= 0 && num < svs.maxclients)
3409         {
3410                 prvm_eval_t *val;
3411                 // set colormap and team on newly created player entity
3412                 e->fields.server->colormap = num + 1;
3413                 e->fields.server->team = (svs.clients[num].colors & 15) + 1;
3414                 // set netname/clientcolors back to client values so that
3415                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3416                 // reset them
3417                 e->fields.server->netname = PRVM_SetEngineString(svs.clients[num].name);
3418                 if ((val = PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.clientcolors)))
3419                         val->_float = svs.clients[num].colors;
3420                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3421                 if( prog->fieldoffsets.playermodel >= 0 )
3422                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(svs.clients[num].playermodel);
3423                 if( prog->fieldoffsets.playerskin >= 0 )
3424                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(svs.clients[num].playerskin);
3425                 // Assign netaddress (IP Address, etc)
3426                 if(prog->fieldoffsets.netaddress >= 0)
3427                 { // Valid Field; Process
3428                         if(svs.clients[num].netconnection != NULL)
3429                         {// Valid Address; Assign
3430                                 // Acquire Readable Address
3431                                 LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3432                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.netaddress)->string = PRVM_SetEngineString(svs.clients[num].netaddress);
3433                         }
3434                         else
3435                                 // Invalid / Bot
3436                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.netaddress)->string = PRVM_SetEngineString("null/botclient");
3437                 }
3438                 if(prog->fieldoffsets.crypto_idfp >= 0)
3439                 { // Valid Field; Process
3440                         if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_idfp[0])
3441                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.crypto_idfp)->string = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.client_idfp);
3442                         else
3443                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.crypto_idfp)->string = 0;
3444                 }
3445                 if(prog->fieldoffsets.crypto_keyfp >= 0)
3446                 { // Valid Field; Process
3447                         if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_keyfp[0])
3448                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.crypto_keyfp)->string = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.client_keyfp);
3449                         else
3450                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.crypto_keyfp)->string = 0;
3451                 }
3452                 if(prog->fieldoffsets.crypto_mykeyfp >= 0)
3453                 { // Valid Field; Process
3454                         if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.server_keyfp[0])
3455                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.crypto_mykeyfp)->string = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.server_keyfp);
3456                         else
3457                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.crypto_mykeyfp)->string = 0;
3458                 }
3459                 if(prog->fieldoffsets.crypto_encryptmethod >= 0)
3460                 { // Valid Field; Process
3461                         if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.use_aes)
3462                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.crypto_encryptmethod)->string = PRVM_SetEngineString("AES128");
3463                         else
3464                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.crypto_encryptmethod)->string = 0;
3465                 }
3466                 if(prog->fieldoffsets.crypto_signmethod >= 0)
3467                 { // Valid Field; Process
3468                         if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated)
3469                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.crypto_signmethod)->string = PRVM_SetEngineString("HMAC-SHA256");
3470                         else
3471                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.crypto_signmethod)->string = 0;
3472                 }
3473         }
3474 }
3475
3476 static void SV_VM_CB_FreeEdict(prvm_edict_t *ed)
3477 {
3478         int i;
3479         int e;
3480
3481         World_UnlinkEdict(ed);          // unlink from world bsp
3482
3483         ed->fields.server->model = 0;
3484         ed->fields.server->takedamage = 0;
3485         ed->fields.server->modelindex = 0;
3486         ed->fields.server->colormap = 0;
3487         ed->fields.server->skin = 0;
3488         ed->fields.server->frame = 0;
3489         VectorClear(ed->fields.server->origin);
3490         VectorClear(ed->fields.server->angles);
3491         ed->fields.server->nextthink = -1;
3492         ed->fields.server->solid = 0;
3493
3494         VM_RemoveEdictSkeleton(ed);
3495         World_Physics_RemoveFromEntity(&sv.world, ed);
3496         World_Physics_RemoveJointFromEntity(&sv.world, ed);
3497
3498         // make sure csqc networking is aware of the removed entity
3499         e = PRVM_NUM_FOR_EDICT(ed);
3500         sv.csqcentityversion[e] = 0;
3501         for (i = 0;i < svs.maxclients;i++)
3502         {
3503                 if (svs.clients[i].csqcentityscope[e])
3504                         svs.clients[i].csqcentityscope[e] = 1; // removed, awaiting send
3505                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3506         }
3507 }
3508
3509 static void SV_VM_CB_CountEdicts(void)
3510 {
3511         int             i;
3512         prvm_edict_t    *ent;
3513         int             active, models, solid, step;
3514
3515         active = models = solid = step = 0;
3516         for (i=0 ; i<prog->num_edicts ; i++)
3517         {
3518                 ent = PRVM_EDICT_NUM(i);
3519                 if (ent->priv.server->free)
3520                         continue;
3521                 active++;
3522                 if (ent->fields.server->solid)
3523                         solid++;
3524                 if (ent->fields.server->model)
3525                         models++;
3526                 if (ent->fields.server->movetype == MOVETYPE_STEP)
3527                         step++;
3528         }
3529
3530         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3531         Con_Printf("active    :%3i\n", active);
3532         Con_Printf("view      :%3i\n", models);
3533         Con_Printf("touch     :%3i\n", solid);
3534         Con_Printf("step      :%3i\n", step);
3535 }
3536
3537 static qboolean SV_VM_CB_LoadEdict(prvm_edict_t *ent)
3538 {
3539         // remove things from different skill levels or deathmatch
3540         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3541         {
3542                 if (deathmatch.integer)
3543                 {
3544                         if (((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_DEATHMATCH))
3545                         {
3546                                 return false;
3547                         }
3548                 }
3549                 else if ((current_skill <= 0 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_EASY  ))
3550                         || (current_skill == 1 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_MEDIUM))
3551                         || (current_skill >= 2 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_HARD  )))
3552                 {
3553                         return false;
3554                 }
3555         }
3556         return true;
3557 }
3558
3559 static void SV_VM_Setup(void)
3560 {
3561         PRVM_Begin;
3562         PRVM_InitProg( PRVM_SERVERPROG );
3563
3564         // allocate the mempools
3565         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3566         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3567         prog->builtins = vm_sv_builtins;
3568         prog->numbuiltins = vm_sv_numbuiltins;
3569         prog->headercrc = PROGHEADER_CRC;
3570         prog->headercrc2 = PROGHEADER_CRC_TENEBRAE;
3571         prog->max_edicts = 512;
3572         if (sv.protocol == PROTOCOL_QUAKE)
3573                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3574         else if (sv.protocol == PROTOCOL_QUAKEDP)
3575                 prog->limit_edicts = 2048; // guessing
3576         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3577                 prog->limit_edicts = 2048; // guessing!
3578         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3579                 prog->limit_edicts = 4096; // guessing!
3580         else
3581                 prog->limit_edicts = MAX_EDICTS;
3582         prog->reserved_edicts = svs.maxclients;
3583         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3584         prog->name = "server";
3585         prog->extensionstring = vm_sv_extensions;
3586         prog->loadintoworld = true;
3587
3588         prog->begin_increase_edicts = SV_VM_CB_BeginIncreaseEdicts;
3589         prog->end_increase_edicts = SV_VM_CB_EndIncreaseEdicts;
3590         prog->init_edict = SV_VM_CB_InitEdict;
3591         prog->free_edict = SV_VM_CB_FreeEdict;
3592         prog->count_edicts = SV_VM_CB_CountEdicts;
3593         prog->load_edict = SV_VM_CB_LoadEdict;
3594         prog->init_cmd = VM_SV_Cmd_Init;
3595         prog->reset_cmd = VM_SV_Cmd_Reset;
3596         prog->error_cmd = Host_Error;
3597         prog->ExecuteProgram = SVVM_ExecuteProgram;
3598
3599         // TODO: add a requiredfuncs list (ask LH if this is necessary at all)
3600         PRVM_LoadProgs( sv_progs.string, 0, NULL, REQFIELDS, reqfields, 0, NULL );
3601
3602         // some mods compiled with scrambling compilers lack certain critical
3603         // global names and field names such as "self" and "time" and "nextthink"
3604         // so we have to set these offsets manually, matching the entvars_t
3605         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3606         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3607         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3608         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3609         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3610         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
3611         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3612         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3613         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
3614         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
3615         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
3616         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
3617         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
3618         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
3619         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
3620         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
3621         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
3622         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
3623         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
3624         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
3625         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
3626         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
3627         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
3628         // OP_STATE is always supported on server (due to entvars_t)
3629         prog->flag |= PRVM_OP_STATE;
3630
3631         VM_CustomStats_Clear();//[515]: csqc
3632
3633         PRVM_End;
3634
3635         SV_Prepare_CSQC();
3636 }
3637
3638 void SV_VM_Begin(void)
3639 {
3640         PRVM_Begin;
3641         PRVM_SetProg( PRVM_SERVERPROG );
3642
3643         prog->globals.server->time = (float) sv.time;
3644 }
3645
3646 void SV_VM_End(void)
3647 {
3648         PRVM_End;
3649 }